WO2008095422A1 - Microwave rotary film concentrator - Google Patents

Microwave rotary film concentrator Download PDF

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Publication number
WO2008095422A1
WO2008095422A1 PCT/CN2008/070067 CN2008070067W WO2008095422A1 WO 2008095422 A1 WO2008095422 A1 WO 2008095422A1 CN 2008070067 W CN2008070067 W CN 2008070067W WO 2008095422 A1 WO2008095422 A1 WO 2008095422A1
Authority
WO
WIPO (PCT)
Prior art keywords
microwave
evaporator
rotary
rotary evaporator
angle
Prior art date
Application number
PCT/CN2008/070067
Other languages
French (fr)
Chinese (zh)
Inventor
Xiaobing Sun
Wensheng Zhang
Haihua Wu
Original Assignee
Pharm-Tech(Tianjin)Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pharm-Tech(Tianjin)Co., Ltd. filed Critical Pharm-Tech(Tianjin)Co., Ltd.
Priority to JP2009547514A priority Critical patent/JP2010517738A/en
Priority to DE112008000296T priority patent/DE112008000296T5/en
Priority to AU2008213550A priority patent/AU2008213550B2/en
Publication of WO2008095422A1 publication Critical patent/WO2008095422A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/0011—Heating features
    • B01D1/0017—Use of electrical or wave energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/0094—Evaporating with forced circulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
    • B01D1/222—In rotating vessels; vessels with movable parts
    • B01D1/223—In rotating vessels; vessels with movable parts containing a rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/28—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve, the axis of rotation being in fixed position
    • F26B17/284—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve, the axis of rotation being in fixed position the materials being dried on the non-perforated surface of heated rollers or drums
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • F26B5/041—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum for drying flowable materials, e.g. suspensions, bulk goods, in a continuous operation, e.g. with locks or other air tight arrangements for charging/discharging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • F26B5/048—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum in combination with heat developed by electro-magnetic means, e.g. microwave energy

Definitions

  • the invention relates to a concentrating device, in particular to a microwave rotating film concentrating device. Background technique
  • Concentration technology is widely used in the evaporation of liquids and the crystallization process of compounds, mainly in atmospheric pressure concentration, decompression concentration and freeze drying.
  • the main mode of depressurization is that the evaporation temperature of the material is lowered under reduced pressure. After the heat is supplied to the liquid, the solvent is evaporated to achieve the purpose of effectively increasing the concentration and promoting crystallization.
  • the evaporation rate is mainly proportional to the evaporation surface area. How to effectively increase the surface area will greatly increase the evaporation rate. At the same time, how to effectively avoid foaming during solution evaporation and reduce the loss of active ingredients are the top priorities for improving the concentration method. Summary of the invention
  • the microwave rotary film concentrator of the present invention comprises: a closed tank (1), a rotary evaporator (2), a microwave generating device (3), a solution feeding tube (4), a concentrate discharge tube (5), and condensation. (6), microwave shielding device (7), stirring motor (8) and vacuum system.
  • the main body of the microwave rotary film concentrator is a closed tank body.
  • the closed tank body is a cylindrical cavity body, and has an openable cover.
  • the cover has a sight glass for observing the boiling property of the liquid in the concentrator, thereby adjusting the instrument parameters and observing
  • the inner surface of the window has a microwave shielding device; the microwave device is placed at the inner wall of the sealed tank, and may have 1 or 2; the tank has an opening, the opening is connected to the condenser, and the condenser is connected to the vacuum system through a pipe.
  • the rotating film concentrator is placed in the center of the tank.
  • the evaporation surface of the evaporator is tapered or flat.
  • the evaporator cone angle 1) is 5 ⁇ 180 °, preferably 60 ⁇ 120 °; the angle between the evaporator axis and the horizontal plane is 3 0 to 90 °, preferably 20 to 60 °.
  • the evaporator can be solid or hollow:
  • the materials used include but are not limited to: stainless steel, quartz glass, ceramic, PTFE, plastic, etc.; when hollow, the evaporation surface of the contact with the material is made of materials including but not limited to: Stainless steel, ceramic; hollow jacket filled with material package But not limited to: silicone oil, glycerin, four-needle zinc oxide whisker composite, pure iron and cordierite (30: 70) mixed calcined materials, etc., good thermal stability, non-volatile liquid or solid; jacket outer layer Materials include, but are not limited to, quartz glass, ceramics, polytetrafluoroethylene, plastics, etc., which have microwave permeability, do not absorb microwave energy, have high heat resistance, and have a small coefficient of thermal expansion, such as alumina, magnesium fluoride, and the like.
  • Zinc sulfide ceramics, etc. plastics such as polyethylene, polystyrene plastic, etc.
  • the outer edge of the conical surface of the evaporator has a baffle (10) for preventing the liquid from flowing out of the evaporator, and the angle c between the baffle and the tapered surface is 5 to 175 °, preferably 60 to 120 °; 5 ⁇ 2 ⁇
  • the radius of the groove is 0. 5 ⁇ 2cm.
  • the bottom of the evaporator is connected to the stirring motor by direct connection or indirect connection.
  • the indirect method is connected with the magnetic stirring motor outside the closed tank by a magnetic stirring device; the direct connection mode is connected with the external stirring motor.
  • the liquid conveying system comprises: a solution feeding pipe, a concentrate discharging pipe and a corresponding pump and a pipe, and an opening of the discharging pipe at the junction of the evaporator cone and the baffle, the opening and the corner of the dome and the center of the circle d 0 to 180 °, preferably 60 to 120 °, the distance between the nozzle and the evaporation surface is 2 to 20 mm, and the discharge tube is tangential to the inner surface of the cone, opposite to the direction of rotation of the evaporator, and has a rectangular shape at a distance of 2 to 20 mm from the collection nozzle.
  • the baffle (11) prevents the liquid from splashing, and the circular baffle (12) is located at the highest point of the outer edge of the evaporator where the perpendicular line intersects the discharge pipe, the diameter is 5 ⁇ 8cm; the center of the evaporator has the feed
  • the tube opening, the feed port is parallel to the axis of the cone, and there is a rectangular baffle (13) at a distance of 0.1-lcm from the inlet of the feed tube, and the long surface of the baffle is tangential to the circle.
  • Temperature sensors Tl, ⁇ 2, and ⁇ 3 are provided inside the feed pipe, discharge pipe and sealed tank to facilitate control of operating parameters. There are microwave shielding devices in the external piping of the equipment to avoid radiation.
  • the main features of the microwave rotary film concentrator of the invention are: microwave heating mode, avoiding the disadvantages of low steam heating efficiency and large volume, effectively reducing the volume of the concentrator; using a rotating method to force the liquid to be pulled into a film under the action of centrifugal force, Effectively increase the evaporation area, reduce the heating time, increase the stability of the material, and is suitable for the concentration of the heat sensitive substance; at the same time, under the action of centrifugal force, effectively inhibit the foaming of the material, and expand the application range of the concentrator; Stirring as a driving device for the rotary evaporator avoids the problem that the lubrication of the conventional shaft transmission is leaked and the vacuum is not tight, which does not guarantee the vacuum.
  • the evaporator can be directly observed, the surface is smooth, the whole device can be disassembled, no dead angle, easy to clean and avoid pollution.
  • Microwave is used as heating medium to avoid scaling of steam heating method, which reduces heat transfer efficiency and increases energy loss. happened.
  • the invention solves the problem that the prior equipment in the concentration process of the extract liquid has a slow evaporation speed, a high concentration temperature, a long-term heat decomposition of the material liquid, a boiling of the liquid material, a failure to operate under reduced pressure, a low energy utilization rate, a large dead volume of the equipment, and equipment. It is difficult to clean and other issues, and has broad application prospects.
  • Figure 1 is a schematic structural view, a side view of an embodiment of the present invention.
  • FIG. 2 is a schematic structural view, a front view, of an embodiment of the present invention. detailed description
  • Example 1 The invention is further illustrated by the following examples, which are merely illustrative of the invention and are not intended to limit the invention.
  • Example 1 The invention is further illustrated by the following examples, which are merely illustrative of the invention and are not intended to limit the invention.
  • the microwave rotary film concentrator comprises a closed tank (1), a rotary evaporator (2), a microwave generating device (3), a solution feeding tube (4), a concentrate discharging tube (5), a condenser (6) ), microwave shielding device (7), stirring motor (8) and vacuum system.
  • the main body of the microwave rotary film concentrator is a closed tank body, the closed tank body is a cylindrical cavity body, an openable cover is provided, a mirror is mounted on the cover, and a microwave shielding device is arranged on the inner surface of the observation window; one microwave device is placed in the closed tank At the inner wall; the tank has an opening, the opening is connected to the condenser, and the condenser is connected to the vacuum system through a pipe.
  • the rotating film concentrator is placed in the center of the tank.
  • the evaporation surface of the evaporator is tapered.
  • the evaporator cone angle b is 180 °.
  • the angle between the evaporator axis and the horizontal plane is 90 °.
  • the evaporator is solid, made of stainless steel; the outer edge of the conical surface of the evaporator has a baffle (10) with an angle c of 60 ° between the baffle and the cone; a semicircle between the baffle and the conical evaporating surface Groove, groove radius 2cm.
  • the bottom of the evaporator is indirectly connected with a magnetic stirring motor outside the sealed tank by a magnetic stirring device; the liquid conveying system comprises: a solution feeding pipe, a concentrate discharging pipe and a corresponding pump, a pipe, and a cone and a baffle in the evaporator.
  • the opening of the discharge pipe is at an angle of 120 °, the distance between the opening and the dome point and the center of the circle is 0.2 °, and the distance between the nozzle and the evaporation surface is 0.2 m.
  • the discharge pipe is tangential to the inner surface of the cone, opposite to the direction of rotation of the evaporator.
  • the feed pipe is open, the feed port is parallel to the cone axis line, and is 0.2 cm away from the feed nozzle.
  • the microwave rotary film concentrator comprises a closed tank (1), a rotary evaporator (2), a microwave generating device (3), a solution feeding tube (4), a concentrate discharging tube (5), a condenser (6) ), microwave shielding device (7), stirring motor (8) and vacuum system.
  • the main body of the microwave rotary film concentrator is a closed tank body, the closed tank body is a cylindrical cavity body, an openable cover is provided, the cover is provided with a sight glass, and the inner surface of the observation window is provided with a microwave shielding device; the microwave device is placed on the inner wall of the sealed tank body There are two; the tank has an opening, the opening is connected to the condenser, and the condenser is connected to the vacuum system through a pipe.
  • the rotating film concentrator is placed in the center of the tank.
  • the evaporation surface of the evaporator is tapered.
  • the evaporator cone angle b is 60 °; the angle between the evaporator axis and the horizontal plane is 0 °.
  • the evaporator is hollow, the evaporation surface is made of stainless steel, the hollow jacket is filled with four-needle zinc oxide whisker composite material, and the outer layer is closed by ceramic; the outer edge of the conical surface of the evaporator has a ring baffle (10), and the baffle plate is 5 ⁇ The radius of the groove is 0. 5cm.
  • the bottom of the evaporator is indirectly connected with a magnetic stirring motor outside the closed tank by a magnetic stirring device; the liquid conveying system comprises: a solution feeding tube, a concentrate discharging tube and a corresponding pump, a pipe, and a cone and a baffle in the evaporator.
  • the opening is connected with the opening of the discharge tube, the angle d between the opening and the dome point and the center of the circle is 180 °, the distance between the nozzle and the evaporation surface is 2 cm, and the discharge tube is tangential to the inner surface of the cone, opposite to the direction of rotation of the evaporator, and the distance is collected.
  • the feed port is parallel to the cone axis line, and is 2cm away from the feed nozzle.
  • Example 3 There is a rectangular baffle (13), and the long surface of the baffle is tangential to the circle. Temperature sensors Tl, ⁇ 2, and ⁇ 3 are provided inside the feed pipe, the discharge pipe, and the closed tank. There are microwave shielding devices ( 7 ) in the external piping of the equipment.
  • Example 3 There is a rectangular baffle (13), and the long surface of the baffle is tangential to the circle. Temperature sensors Tl, ⁇ 2, and ⁇ 3 are provided inside the feed pipe, the discharge pipe, and the closed tank. There are microwave shielding devices ( 7 ) in the external piping of the equipment. Example 3
  • the microwave rotating film concentrator comprises a closed tank (1), a rotary evaporator (2), a microwave generating device (3), a solution feeding tube (4), a concentrate discharging tube (5), a condenser (6) ), microwave shielding device (7), stirring motor (8) and vacuum system.
  • the main body of the microwave rotary film concentrator is a closed tank body, the closed tank body is a cylindrical cavity body, and has an openable cover, the cover has two mirrors, and the inner surface of the observation window has a microwave shielding device; one microwave device is placed The solution outside the tank is fed into the feed tube; the tank has an opening, the opening is connected to the condenser, and the condenser is connected to the vacuum system through a pipe.
  • the rotating film concentrator is placed in the center of the tank.
  • the evaporation surface of the evaporator is tapered.
  • the evaporator cone angle b is 120 °; the angle between the evaporator axis and the horizontal plane is 30 °.
  • the evaporator is solid, and the evaporation surface is Teflon; the outer edge of the conical surface of the evaporator has a ring baffle (10), and the angle between the baffle and the cone is 60 °; between the baffle and the conical evaporation surface Semi-circular groove, groove The radius is 2cm.
  • the bottom of the evaporator is directly connected with a stirring motor outside the closed tank;
  • the liquid conveying system comprises: a solution feeding pipe, a concentrate discharging pipe and a corresponding pump and pipeline, and at a junction of the evaporator cone and the baffle
  • the opening of the discharge pipe, the angle d between the opening and the dome point and the center of the circle is 60 °, the distance between the nozzle and the evaporation surface is 0.
  • the discharge pipe is tangential to the inner surface of the cone, opposite to the direction of rotation of the evaporator, the distance collecting pipe
  • a rectangular baffle (11) at the mouth lcm
  • a circular baffle (12) is located at the highest point of the outer edge of the evaporator where the perpendicular line intersects the discharge pipe, the diameter is 3cm
  • the center of the evaporator has a feed pipe opening
  • the feed port is parallel to the cone axis line
  • the long surface of the baffle is tangential to the circle.
  • Temperature sensors T1, ⁇ 2, and ⁇ 3 are provided inside the feed pipe, the discharge pipe, and the closed tank.
  • microwave shielding devices (7) in the external piping of the equipment.

Abstract

A microwave rotary film concentrator comprises an enclosed tank (1), a rotary evaporator (2), a microwave device (3), a discharge pipe for concentrated liquid (5), a condensor (6), a microwave shielding device (7), a stirring motor (8) and a vacuum system. The evaporating surface of the rotary evaporator (2) is tapered or round shaped. The angle (a) between the axis and the horizontal plane is 0 to 90˚. The rotary evaporator (2) indirectly connects to the external stirring motor (8) through a magnetic stirring device, and locates in the center of the enclosed tank (1). The enclosed tank (1) is provided with a lid which can be opened or closed. A sight glass (9) is on the lid. This invention has resolved many problems in concentration of the extracting liquid, such as slow evaporation rate, high concentration temperature, feed liquid decomposition due to be heated for a long time, unable to operate in reduced pressure as a result of intense boling of the feed liquid, low energy utilization, large dead volume, cleaning difficulty, etc. This invention has an extensive applied prospect.

Description

微波旋转薄膜浓缩器 技术领域  Microwave rotary film concentrator
本发明涉及一种浓缩装置， 尤其是一种微波旋转薄膜浓缩装置。 背景技术  The invention relates to a concentrating device, in particular to a microwave rotating film concentrating device. Background technique
浓缩技术广泛的应用于液体的蒸发及化合物的结晶过程， 主要为常压浓缩、 减压浓 缩及冷冻干燥方式。减压主要方式为减压状态下， 物料蒸发温度降低， 对液体进行热能供 给后， 使溶剂蒸发， 达到有效提高浓度及促进结晶的目的。  Concentration technology is widely used in the evaporation of liquids and the crystallization process of compounds, mainly in atmospheric pressure concentration, decompression concentration and freeze drying. The main mode of depressurization is that the evaporation temperature of the material is lowered under reduced pressure. After the heat is supplied to the liquid, the solvent is evaporated to achieve the purpose of effectively increasing the concentration and promoting crystallization.
传统单效浓缩及多效浓缩器存在加热时间长， 换热效率低， 有效成份长期暴露于高 温环境， 造成分解； 传统换热器采用板式或列管方式， 表面难清理， 且容易结构， 造成传 热效率低， 热能损耗严重； 同时， 在蒸发时， 物料由于气泡多造成暴沸严重， 料液时常损 失，为达到有效浓缩，必须适当降低真空度，又进一步造成浓缩速度缓慢，成份损失增加。  Traditional single-effect concentrated and multi-effect concentrators have long heating time, low heat exchange efficiency, long-term exposure of active ingredients to high temperature environment, causing decomposition; traditional heat exchangers adopt plate or tube method, the surface is difficult to clean, and easy to structure, resulting in The heat transfer efficiency is low, and the heat energy loss is serious. At the same time, during evaporation, the material is seriously bumped due to many bubbles, and the liquid is often lost. In order to achieve effective concentration, the vacuum degree must be appropriately reduced, and the concentration rate is slow and the component loss is further increased. .
蒸发速度主要与蒸发表面积成正比， 如何有效增加表面积， 将大大提高蒸发速度； 同时， 如何有效避免溶液蒸发时发泡， 减少有效成分损失， 都是当前改善浓缩方式的当务 之急。 发明内容  The evaporation rate is mainly proportional to the evaporation surface area. How to effectively increase the surface area will greatly increase the evaporation rate. At the same time, how to effectively avoid foaming during solution evaporation and reduce the loss of active ingredients are the top priorities for improving the concentration method. Summary of the invention
本发明的目的在于提供一种高效而损失小的微波旋转薄膜浓缩器。  It is an object of the present invention to provide a microwave rotating film concentrator that is efficient and has little loss.
本发明的微波旋转薄膜浓缩器包括： 密闭罐体 （1 ) 、 旋转式蒸发器 （2) 、 微波发 生装置（3 ) 、 溶液进料管（4) 、 浓缩液出料管（5 ) 、 冷凝器（6) 、 微波屏蔽装置（7) 、 搅拌电机 （8 ) 及真空系统。 微波旋转薄膜浓缩器的主体为密闭罐体， 密闭罐体为圆柱形 腔体， 有可开启的盖， 盖上有视镜， 便于观察液体在浓缩器内的沸腾性状， 从而调节仪器 参数， 观察窗内表面有微波屏蔽装置； 微波装置安放在密闭罐体内壁处， 可有 1〜2个； 罐 体有开口， 开口与冷凝器连接， 冷凝器通过管道与真空系统相连。罐体中心安放旋转薄膜 浓缩器， 蒸发器的蒸发表面为锥形或平面圆形设计， 蒸发器锥角 1)为5〜180 ° ， 优选 60〜 120 ° ； 蒸发器轴线与水平面夹角 3为0〜90 ° ， 优选 20〜60 ° 。蒸发器可以为实心或空心： 实心时， 采用材质包括但不限于： 不锈钢、 石英玻璃、 陶瓷、 聚四氟乙烯、 塑料等； 空心 时， 与料液接触的蒸发面选用材质包括但不限于： 不锈钢、 陶瓷； 空心夹套内填充材质包 括但不限于： 硅油、 甘油、 四针状氧化锌晶须复合材料、 纯铁体与堇青石（30: 70 )混合 煅烧材料等热稳定性好、不挥发液体或固体；夹套外层采用材料包括但不限于：石英玻璃、 陶瓷、 聚四氟乙烯、 塑料等具有微波可穿透、 且不吸收微波能、 高耐热性、 热膨胀系数小 的物质， 陶瓷如氧化铝、 氟化镁和硫化锌陶瓷等， 塑料如聚乙烯、 聚苯乙烯塑料等。 蒸发 器锥形表面外边缘有一圈挡板 （10 ) ， 目的防止料液甩出蒸发器， 其挡板与锥面的夹角 c 为 5〜175 ° ， 优选 60〜120 ° ； 挡板与锥形蒸发面之间有半圆形凹槽， 凹槽半径 0. 5〜2cm。 The microwave rotary film concentrator of the present invention comprises: a closed tank (1), a rotary evaporator (2), a microwave generating device (3), a solution feeding tube (4), a concentrate discharge tube (5), and condensation. (6), microwave shielding device (7), stirring motor (8) and vacuum system. The main body of the microwave rotary film concentrator is a closed tank body. The closed tank body is a cylindrical cavity body, and has an openable cover. The cover has a sight glass for observing the boiling property of the liquid in the concentrator, thereby adjusting the instrument parameters and observing The inner surface of the window has a microwave shielding device; the microwave device is placed at the inner wall of the sealed tank, and may have 1 or 2; the tank has an opening, the opening is connected to the condenser, and the condenser is connected to the vacuum system through a pipe. The rotating film concentrator is placed in the center of the tank. The evaporation surface of the evaporator is tapered or flat. The evaporator cone angle 1) is 5~180 °, preferably 60~120 °; the angle between the evaporator axis and the horizontal plane is 3 0 to 90 °, preferably 20 to 60 °. The evaporator can be solid or hollow: When solid, the materials used include but are not limited to: stainless steel, quartz glass, ceramic, PTFE, plastic, etc.; when hollow, the evaporation surface of the contact with the material is made of materials including but not limited to: Stainless steel, ceramic; hollow jacket filled with material package But not limited to: silicone oil, glycerin, four-needle zinc oxide whisker composite, pure iron and cordierite (30: 70) mixed calcined materials, etc., good thermal stability, non-volatile liquid or solid; jacket outer layer Materials include, but are not limited to, quartz glass, ceramics, polytetrafluoroethylene, plastics, etc., which have microwave permeability, do not absorb microwave energy, have high heat resistance, and have a small coefficient of thermal expansion, such as alumina, magnesium fluoride, and the like. Zinc sulfide ceramics, etc., plastics such as polyethylene, polystyrene plastic, etc. The outer edge of the conical surface of the evaporator has a baffle (10) for preventing the liquid from flowing out of the evaporator, and the angle c between the baffle and the tapered surface is 5 to 175 °, preferably 60 to 120 °; 5〜2厘米。 The radius of the groove is 0. 5~2cm.
蒸发器底部采用直接连接或间接连接方式与搅拌电机相连， 间接方式采用磁力搅拌 装置与密闭罐体外的磁力搅拌电机相连；直接连接方式采用轴与外部搅拌电机相连。料液 输送系统包括： 溶液进料管、浓缩液出料管及相应的泵、 管道， 在蒸发器锥体与挡板的结 合处有出料管的开口， 开口与圆顶点及圆心夹角 d为 0〜180 ° ， 优选 60〜120 ° ， 管口与蒸 发面距离 2〜20mm，出料管与锥体内表面呈切向，与蒸发器旋转方向相反，距离收集管口 2〜 20mm处有长方形挡板（11 ) ， 防止料液喷溅， 另有圆形挡板（12 )位于蒸发器外缘最高点 垂线与出料管相交的地方， 直径 5〜8cm; 蒸发器的中心有进料管开口， 进料口与锥体轴心 线平行， 距离进料管口 0. 2-lcm处， 有长方形挡板 （13 ) ， 挡板长面与圆呈切向。 在进料 管、 出料管、 密闭罐体内部均有温度传感器 Tl、 Τ2、 Τ3， 便于控制操作参数。 在设备外接 管路中均有微波屏蔽装置， 避免辐射。  The bottom of the evaporator is connected to the stirring motor by direct connection or indirect connection. The indirect method is connected with the magnetic stirring motor outside the closed tank by a magnetic stirring device; the direct connection mode is connected with the external stirring motor. The liquid conveying system comprises: a solution feeding pipe, a concentrate discharging pipe and a corresponding pump and a pipe, and an opening of the discharging pipe at the junction of the evaporator cone and the baffle, the opening and the corner of the dome and the center of the circle d 0 to 180 °, preferably 60 to 120 °, the distance between the nozzle and the evaporation surface is 2 to 20 mm, and the discharge tube is tangential to the inner surface of the cone, opposite to the direction of rotation of the evaporator, and has a rectangular shape at a distance of 2 to 20 mm from the collection nozzle. The baffle (11) prevents the liquid from splashing, and the circular baffle (12) is located at the highest point of the outer edge of the evaporator where the perpendicular line intersects the discharge pipe, the diameter is 5~8cm; the center of the evaporator has the feed The tube opening, the feed port is parallel to the axis of the cone, and there is a rectangular baffle (13) at a distance of 0.1-lcm from the inlet of the feed tube, and the long surface of the baffle is tangential to the circle. Temperature sensors Tl, Τ2, and Τ3 are provided inside the feed pipe, discharge pipe and sealed tank to facilitate control of operating parameters. There are microwave shielding devices in the external piping of the equipment to avoid radiation.
本发明微波旋转薄膜浓缩器的主要特点：采用微波加热方式，避免蒸汽加热的效率低 及体积大的缺点， 有效减少浓缩器的体积； 采用旋转方式， 在离心力作用下强制将液体拉 成薄膜，有效增加蒸发面积，减少受热时间，增加物质的稳定性，适用于热敏物质的浓缩; 同时， 在离心力的作用下， 有效的抑制物料的发泡， 扩大了该浓缩器的应用范围； 采用磁 力搅拌作为旋转蒸发器的驱动装置，避免了传统轴传动的润滑油泄漏及密封不严造成真空 度无法保证的问题。 由于蒸发器直接可以观察到， 表面光滑， 设备整体可拆卸， 无死角， 清洗方便彻底， 避免污染； 采用微波作为加热介质， 避免蒸汽加热方式的结垢使传热效率 降低， 能源损耗增大现象的发生。  The main features of the microwave rotary film concentrator of the invention are: microwave heating mode, avoiding the disadvantages of low steam heating efficiency and large volume, effectively reducing the volume of the concentrator; using a rotating method to force the liquid to be pulled into a film under the action of centrifugal force, Effectively increase the evaporation area, reduce the heating time, increase the stability of the material, and is suitable for the concentration of the heat sensitive substance; at the same time, under the action of centrifugal force, effectively inhibit the foaming of the material, and expand the application range of the concentrator; Stirring as a driving device for the rotary evaporator avoids the problem that the lubrication of the conventional shaft transmission is leaked and the vacuum is not tight, which does not guarantee the vacuum. Because the evaporator can be directly observed, the surface is smooth, the whole device can be disassembled, no dead angle, easy to clean and avoid pollution. Microwave is used as heating medium to avoid scaling of steam heating method, which reduces heat transfer efficiency and increases energy loss. happened.
本发明解决了现有设备在提取液浓缩过程中， 蒸发速度慢、浓缩温度高、料液长期受 热导致分解、 料液爆沸导致无法减压操作、 能源利用率低、 设备死体积大、 设备难于清 洗等问题， 具有广泛的应用前景。 附图说明 The invention solves the problem that the prior equipment in the concentration process of the extract liquid has a slow evaporation speed, a high concentration temperature, a long-term heat decomposition of the material liquid, a boiling of the liquid material, a failure to operate under reduced pressure, a low energy utilization rate, a large dead volume of the equipment, and equipment. It is difficult to clean and other issues, and has broad application prospects. DRAWINGS
图 1是本发明实施例的结构示意图， 侧视图；  Figure 1 is a schematic structural view, a side view of an embodiment of the present invention;
图 2是本发明实施例的结构示意图， 正视图。 具体实施方式  2 is a schematic structural view, a front view, of an embodiment of the present invention. detailed description
下面列举实施例进一步详细说明本发明， 该实施例仅用于说明本发明而对本发明并 没有限制。 实施例 1  The invention is further illustrated by the following examples, which are merely illustrative of the invention and are not intended to limit the invention. Example 1
微波旋转薄膜浓缩器， 包括密闭罐体（1 )、旋转式蒸发器（2)、微波发生装置（3 )、 溶液进料管（4)、浓缩液出料管（5 )、冷凝器（6)、微波屏蔽装置（7)、搅拌电机（8 ) 及真空系统。  The microwave rotary film concentrator comprises a closed tank (1), a rotary evaporator (2), a microwave generating device (3), a solution feeding tube (4), a concentrate discharging tube (5), a condenser (6) ), microwave shielding device (7), stirring motor (8) and vacuum system.
微波旋转薄膜浓缩器的主体为密闭罐体， 密闭罐体为圆柱形腔体， 有可开启的盖， 盖上有视镜， 观察窗内表面有微波屏蔽装置； 1个微波装置安放在密闭罐体内壁处； 罐体 有开口， 开口与冷凝器连接， 冷凝器通过管道与真空系统相连。罐体中心安放旋转薄膜浓 缩器， 蒸发器的蒸发表面为锥形设计， 蒸发器锥角 b为 180 ° ； 蒸发器轴线与水平面夹角 a 为 90 ° 。 蒸发器为实心， 不锈钢材质； 蒸发器锥形表面外边缘有一圈挡板（10 ) ， 其挡板 与锥面的夹角 c为 60 ° ； 挡板与锥形蒸发面之间有半圆形凹槽， 凹槽半径 2cm。蒸发器底部 采用磁力搅拌装置与密闭罐体外的磁力搅拌电机间接相连；料液输送系统包括：溶液进料 管、浓缩液出料管及相应的泵、 管道， 在蒸发器锥体与挡板的结合处有出料管的开口， 开 口与圆顶点及圆心夹角 d为 120 ° ， 管口与蒸发面距离 0. 2m， 出料管与锥体内表面呈切向， 与蒸发器旋转方向相反， 距离收集管口 0. 2m处有长方形挡板 （11 ) ， 另有圆形挡板 （12 ) 位于蒸发器外缘最高点垂线与出料管相交的地方，直径 8cm;蒸发器的中心有进料管开口， 进料口与锥体轴心线平行， 距离进料管口 0. 2cm处， 有长方形挡板 （13 ) ， 挡板长面与圆 呈切向。 在进料管、 出料管、 密闭罐体内部均有温度传感器 Tl、 Τ2、 Τ3。 在设备外接管路 中均有微波屏蔽装置 （7 ) 。 实施例 2 微波旋转薄膜浓缩器， 包括密闭罐体（1 )、旋转式蒸发器（2)、微波发生装置（3 ) 、 溶液进料管（4)、浓缩液出料管（5 )、冷凝器（6)、微波屏蔽装置（7)、搅拌电机（8) 及真空系统。 The main body of the microwave rotary film concentrator is a closed tank body, the closed tank body is a cylindrical cavity body, an openable cover is provided, a mirror is mounted on the cover, and a microwave shielding device is arranged on the inner surface of the observation window; one microwave device is placed in the closed tank At the inner wall; the tank has an opening, the opening is connected to the condenser, and the condenser is connected to the vacuum system through a pipe. The rotating film concentrator is placed in the center of the tank. The evaporation surface of the evaporator is tapered. The evaporator cone angle b is 180 °. The angle between the evaporator axis and the horizontal plane is 90 °. The evaporator is solid, made of stainless steel; the outer edge of the conical surface of the evaporator has a baffle (10) with an angle c of 60 ° between the baffle and the cone; a semicircle between the baffle and the conical evaporating surface Groove, groove radius 2cm. The bottom of the evaporator is indirectly connected with a magnetic stirring motor outside the sealed tank by a magnetic stirring device; the liquid conveying system comprises: a solution feeding pipe, a concentrate discharging pipe and a corresponding pump, a pipe, and a cone and a baffle in the evaporator. The opening of the discharge pipe is at an angle of 120 °, the distance between the opening and the dome point and the center of the circle is 0.2 °, and the distance between the nozzle and the evaporation surface is 0.2 m. The discharge pipe is tangential to the inner surface of the cone, opposite to the direction of rotation of the evaporator. There is a rectangular baffle (11) at a distance of 0.2 m from the collecting nozzle, and a circular baffle (12) is located at the highest point of the outer edge of the evaporator where the perpendicular line intersects the discharge pipe, the diameter is 8 cm; the center of the evaporator has The feed pipe is open, the feed port is parallel to the cone axis line, and is 0.2 cm away from the feed nozzle. There is a rectangular baffle (13), and the long face of the baffle is tangential to the circle. Temperature sensors T1, Τ2, and Τ3 are provided inside the feed pipe, the discharge pipe, and the closed tank. There are microwave shielding devices (7) in the external piping of the equipment. Example 2 The microwave rotary film concentrator comprises a closed tank (1), a rotary evaporator (2), a microwave generating device (3), a solution feeding tube (4), a concentrate discharging tube (5), a condenser (6) ), microwave shielding device (7), stirring motor (8) and vacuum system.
微波旋转薄膜浓缩器的主体为密闭罐体， 密闭罐体为圆柱形腔体， 有可开启的盖， 盖 上有视镜， 观察窗内表面有微波屏蔽装置； 微波装置安放在密闭罐体内壁处， 有 2个； 罐 体有开口， 开口与冷凝器连接， 冷凝器通过管道与真空系统相连。罐体中心安放旋转薄膜 浓缩器， 蒸发器的蒸发表面为锥形设计， 蒸发器锥角 b为 60 ° ； 蒸发器轴线与水平面夹角 a为 0 ° 。蒸发器空心，蒸发面为不锈钢材质，空心夹套内填充四针状氧化锌晶须复合材料， 外层采用陶瓷封闭； 蒸发器锥形表面外边缘有一圈挡板 （10 ) ， 其挡板与锥面的夹角 c为 120 ° ； 挡板与锥形蒸发面之间有半圆形凹槽， 凹槽半径 0. 5cm。蒸发器底部采用磁力搅拌 装置与密闭罐体外的磁力搅拌电机间接相连； 料液输送系统包括： 溶液进料管、浓缩液出 料管及相应的泵、管道， 在蒸发器锥体与挡板的结合处有出料管的开口， 开口与圆顶点及 圆心夹角 d为 180 ° ， 管口与蒸发面距离 2cm， 出料管与锥体内表面呈切向， 与蒸发器旋转 方向相反， 距离收集管口 lcm处有长方形挡板 （11 ) ， 另有圆形挡板 （12 ) 位于蒸发器外 缘最高点垂线与出料管相交的地方， 直径 5cm; 蒸发器的中心有进料管开口， 进料口与锥 体轴心线平行， 距离进料管口 2cm处， 有长方形挡板 （13 ) ， 挡板长面与圆呈切向。 在进 料管、 出料管、 密闭罐体内部均有温度传感器 Tl、 Τ2、 Τ3。 在设备外接管路中均有微波屏 蔽装置 ( 7 ) 。 实施例 3  The main body of the microwave rotary film concentrator is a closed tank body, the closed tank body is a cylindrical cavity body, an openable cover is provided, the cover is provided with a sight glass, and the inner surface of the observation window is provided with a microwave shielding device; the microwave device is placed on the inner wall of the sealed tank body There are two; the tank has an opening, the opening is connected to the condenser, and the condenser is connected to the vacuum system through a pipe. The rotating film concentrator is placed in the center of the tank. The evaporation surface of the evaporator is tapered. The evaporator cone angle b is 60 °; the angle between the evaporator axis and the horizontal plane is 0 °. The evaporator is hollow, the evaporation surface is made of stainless steel, the hollow jacket is filled with four-needle zinc oxide whisker composite material, and the outer layer is closed by ceramic; the outer edge of the conical surface of the evaporator has a ring baffle (10), and the baffle plate is 5厘米。 The radius of the groove is 0. 5cm. The bottom of the evaporator is indirectly connected with a magnetic stirring motor outside the closed tank by a magnetic stirring device; the liquid conveying system comprises: a solution feeding tube, a concentrate discharging tube and a corresponding pump, a pipe, and a cone and a baffle in the evaporator. The opening is connected with the opening of the discharge tube, the angle d between the opening and the dome point and the center of the circle is 180 °, the distance between the nozzle and the evaporation surface is 2 cm, and the discharge tube is tangential to the inner surface of the cone, opposite to the direction of rotation of the evaporator, and the distance is collected. There is a rectangular baffle (11) at the pipe mouth lcm, and a circular baffle (12) is located at the highest point of the outer edge of the evaporator where the perpendicular line intersects the discharge pipe, the diameter is 5cm; the center of the evaporator has a feed pipe opening The feed port is parallel to the cone axis line, and is 2cm away from the feed nozzle. There is a rectangular baffle (13), and the long surface of the baffle is tangential to the circle. Temperature sensors Tl, Τ2, and Τ3 are provided inside the feed pipe, the discharge pipe, and the closed tank. There are microwave shielding devices ( 7 ) in the external piping of the equipment. Example 3
微波旋转薄膜浓缩器，包括密闭罐体（1 )、旋转式蒸发器（2)、微波发生装置（3 )、 溶液进料管（4)、浓缩液出料管（5 )、冷凝器（6)、微波屏蔽装置（7)、搅拌电机（8) 及真空系统。  The microwave rotating film concentrator comprises a closed tank (1), a rotary evaporator (2), a microwave generating device (3), a solution feeding tube (4), a concentrate discharging tube (5), a condenser (6) ), microwave shielding device (7), stirring motor (8) and vacuum system.
微波旋转薄膜浓缩器的主体为密闭罐体， 密闭罐体为圆柱形腔体， 有可开启的盖， 盖上有 2个视镜，观察窗内表面有微波屏蔽装置； 1个微波装置安放在密闭罐体外的溶液进 料管内； 罐体有开口， 开口与冷凝器连接， 冷凝器通过管道与真空系统相连。 罐体中心安 放旋转薄膜浓缩器， 蒸发器的蒸发表面为锥形设计， 蒸发器锥角 b为 120 ° ； 蒸发器轴线与 水平面夹角 a为 30 ° 。 蒸发器实心， 蒸发面为聚四氟乙烯； 蒸发器锥形表面外边缘有一圈 挡板 （10 ) ， 其挡板与锥面的夹角 c为 60 ° ； 挡板与锥形蒸发面之间有半圆形凹槽， 凹槽 半径 2cm。 蒸发器底部采用轴与密闭罐体外的搅拌电机直接相连； 料液输送系统包括： 溶 液进料管、浓缩液出料管及相应的泵、管道， 在蒸发器锥体与挡板的结合处有出料管的开 口， 开口与圆顶点及圆心夹角 d为 60 ° ， 管口与蒸发面距离 0. 2cm， 出料管与锥体内表面呈 切向， 与蒸发器旋转方向相反， 距离收集管口 lcm处有长方形挡板 （11 ) ， 另有圆形挡板 ( 12 ) 位于蒸发器外缘最高点垂线与出料管相交的地方， 直径 3cm; 蒸发器的中心有进料 管开口， 进料口与锥体轴心线平行， 距离进料管口 lcm处， 有长方形挡板 （13 ) ， 挡板长 面与圆呈切向。 在进料管、 出料管、 密闭罐体内部均有温度传感器 Tl、 Τ2、 Τ3。 在设备外 接管路中均有微波屏蔽装置 （7 ) 。 The main body of the microwave rotary film concentrator is a closed tank body, the closed tank body is a cylindrical cavity body, and has an openable cover, the cover has two mirrors, and the inner surface of the observation window has a microwave shielding device; one microwave device is placed The solution outside the tank is fed into the feed tube; the tank has an opening, the opening is connected to the condenser, and the condenser is connected to the vacuum system through a pipe. The rotating film concentrator is placed in the center of the tank. The evaporation surface of the evaporator is tapered. The evaporator cone angle b is 120 °; the angle between the evaporator axis and the horizontal plane is 30 °. The evaporator is solid, and the evaporation surface is Teflon; the outer edge of the conical surface of the evaporator has a ring baffle (10), and the angle between the baffle and the cone is 60 °; between the baffle and the conical evaporation surface Semi-circular groove, groove The radius is 2cm. The bottom of the evaporator is directly connected with a stirring motor outside the closed tank; the liquid conveying system comprises: a solution feeding pipe, a concentrate discharging pipe and a corresponding pump and pipeline, and at a junction of the evaporator cone and the baffle The opening of the discharge pipe, the angle d between the opening and the dome point and the center of the circle is 60 °, the distance between the nozzle and the evaporation surface is 0. 2 cm, the discharge pipe is tangential to the inner surface of the cone, opposite to the direction of rotation of the evaporator, the distance collecting pipe There is a rectangular baffle (11) at the mouth lcm, and a circular baffle (12) is located at the highest point of the outer edge of the evaporator where the perpendicular line intersects the discharge pipe, the diameter is 3cm; the center of the evaporator has a feed pipe opening, The feed port is parallel to the cone axis line, and there is a rectangular baffle (13) at a distance of 1 cm from the feed nozzle. The long surface of the baffle is tangential to the circle. Temperature sensors T1, Τ2, and Τ3 are provided inside the feed pipe, the discharge pipe, and the closed tank. There are microwave shielding devices (7) in the external piping of the equipment.

Claims

权利 要 求 、 一种微波旋转薄膜浓缩器， 包括密闭罐体（1 ) 、旋转式蒸发器（2) 、微波装置（3 ) 、 溶液进料管 （4) 、 浓缩液出料管 （5 ) 、 冷凝器 （6) 、 微波屏蔽装置 （7) 、 搅拌电 机（8)及真空系统； 所述微波旋转薄膜浓缩器的主体为密闭罐体， 微波装置安放在密 闭罐体内壁处， 罐体有开口， 开口与冷凝器连接， 冷凝器通过管道与真空系统相连， 罐体中心安放旋转式薄膜浓缩器， 蒸发器表面外边缘有一圈挡板 （10) ， 在蒸发器与 挡板的结合处有出料管的开口， 出料管与蒸发器内表面呈切向， 蒸发器底部采用直接 连接或间接连接方式与搅拌电机相连， 设备外接管路中均有微波屏蔽装置。 Claims, a microwave rotary film concentrator, comprising a closed tank (1), a rotary evaporator (2), a microwave device (3), a solution feeding tube (4), a concentrate discharge tube (5), a condenser (6), a microwave shielding device (7), a stirring motor (8) and a vacuum system; the main body of the microwave rotating film concentrator is a closed tank body, and the microwave device is placed at the inner wall of the sealed tank body, and the tank body has an opening The opening is connected to the condenser, the condenser is connected to the vacuum system through the pipeline, the rotary membrane concentrator is placed in the center of the tank body, and a baffle (10) is arranged on the outer edge of the evaporator surface, and the evaporator and the baffle are combined The opening of the material pipe, the discharge pipe and the inner surface of the evaporator are tangential, and the bottom of the evaporator is connected with the stirring motor by direct connection or indirect connection, and the external pipe of the device has a microwave shielding device.
、 根据权利要求 1所述的微波旋转薄膜浓缩器， 其特征在于， 所述旋转式蒸发器 （2) 的 蒸发表面为锥形或平面圆形， 其锥角 1)为5〜180° ； 所述旋转式蒸发器 （2) 的轴线与 水平面的角度 &为0〜90° 。 The microwave rotary film concentrator according to claim 1, wherein the evaporation surface of the rotary evaporator (2) is tapered or planar, and the taper angle 1) is 5 to 180°; The angle of the axis of the rotary evaporator (2) to the horizontal plane is 0 to 90°.
、 根据权利要求 1所述的微波旋转薄膜浓缩器， 其特征在于， 所述旋转式蒸发器 （2) 的 蒸发表面为锥形， 其锥角 b为 60〜120° ； 所述旋转式蒸发器（2)的轴线与水平面的角 度 a为 20〜60° 。 The microwave rotary film concentrator according to claim 1, wherein the evaporation surface of the rotary evaporator (2) is tapered, and the taper angle b is 60 to 120°; the rotary evaporator (2) The angle a between the axis and the horizontal plane is 20 to 60°.
、 根据权利要求 2或 3所述的微波旋转薄膜浓缩器， 其特征在于， 所述旋转式蒸发器 （2) 为实心结构， 采用不锈钢、 石英玻璃、 陶瓷、 聚四氟乙烯、 塑料中的一种或两种以上 制成。 The microwave rotary film concentrator according to claim 2 or 3, wherein the rotary evaporator (2) is a solid structure, and one of stainless steel, quartz glass, ceramic, polytetrafluoroethylene, and plastic is used. Made of two or more species.
、 根据权利要求 2或 3所述的微波旋转薄膜浓缩器， 其特征在于， 所述旋转式蒸发器 （2) 为空心结构， 与料液接触的蒸发面选用不锈钢、 陶瓷中的一种或混合制成； 空心夹套 内填充材质为硅油、 甘油、 四针状氧化锌晶须复合材料、 纯铁体与堇青石 （30: 70) 混合煅烧材料中的一种或多种； 夹套外层的材料为石英玻璃、 陶瓷、 聚四氟乙烯、 塑 料中的一种或多种。 The microwave rotary film concentrator according to claim 2 or 3, wherein the rotary evaporator (2) is a hollow structure, and the evaporation surface contacting the liquid is selected from a stainless steel or a ceramic. Made of hollow rubber jacket filled with silicone oil, glycerin, four-needle zinc oxide whisker composite, one or more of pure iron and cordierite (30: 70) mixed calcined materials; jacket outer layer The material is one or more of quartz glass, ceramic, polytetrafluoroethylene, and plastic.
、 根据权利要求 1〜3任一所述的微波旋转薄膜浓缩器， 其特征在于， 所述旋转式蒸发器 (2) 的锥形蒸发面边缘有浓缩器挡板 （10) ， 锥形蒸发面与挡板的夹角 0为5〜175 ° 。 、 根据权利要求 1〜3任一所述的微波旋转薄膜浓缩器， 其特征在于， 所述旋转式蒸发器 (2) 采用磁力搅拌装置与外部搅拌电机 （8) 间接相连， 置于密闭罐体内中心。 The microwave rotary film concentrator according to any one of claims 1 to 3, characterized in that the edge of the conical evaporation surface of the rotary evaporator (2) has a concentrator baffle (10) and a conical evaporation surface. The angle with the baffle 0 is 5~175 °. The microwave rotary film concentrator according to any one of claims 1 to 3, wherein the rotary evaporator (2) is indirectly connected to an external stirring motor (8) by a magnetic stirring device, and is placed in a closed tank center.
、 根据权利要求 1〜3任一所述的微波旋转薄膜浓缩器， 其特征在于， 所述密闭罐体 （1 ) 有可开启的盖， 盖上有视镜 （9) 。 The microwave rotary film concentrator according to any one of claims 1 to 3, wherein the sealed can body (1) has an openable cover, and the cover has a sight glass (9).
1 、 根据权利要求 1〜3任一所述的微波旋转薄膜浓缩器， 其特征在于， 所述旋转式蒸发器 (2) 出料管收集口与垂线夹角 d为 60〜120 ° 。1 The microwave rotary film concentrator according to any one of claims 1 to 3, wherein the rotary evaporator (2) has an outlet angle d between the discharge pipe and the vertical line of 60 to 120 °.
0、 根据权利要求 1所述的微波旋转薄膜浓缩器， 其特征在于， 所述旋转式蒸发器（2) 的 蒸发表面为锥形， 其锥角 1)为6〜120 ° ； 所述旋转薄膜蒸发器的轴线与水平面的角度 a 为 20〜60° ； 所述旋转式蒸发器 （2) 的锥形蒸发面边缘有浓缩器挡板 （10) ， 锥形 蒸发面与挡板的夹角 c为 60〜120° ； 所述旋转式蒸发器 （2) 出料管收集口与垂线夹 角 d为 60〜120 ° ； 所述旋转式蒸发器（2)采用磁力搅拌装置与外部搅拌电机（8 ) 间 接相连， 置于密闭罐体内中心； 所述密闭罐体（1 )有可开启的盖， 盖上有视镜（9) 。 The microwave rotary film concentrator according to claim 1, wherein the evaporation surface of the rotary evaporator (2) is tapered, and the taper angle 1) is 6 to 120 °; The angle a of the axis of the evaporator and the horizontal plane is 20 to 60°; the edge of the conical evaporation surface of the rotary evaporator (2) has a concentrator baffle (10), and the angle between the conical evaporation surface and the baffle c 60 to 120 °; the rotary evaporator (2) the outlet of the discharge pipe and the vertical angle d is 60~120 °; the rotary evaporator (2) uses a magnetic stirring device and an external stirring motor ( 8) Indirectly connected to the center of the closed tank; the closed tank (1) has an openable cover with a sight glass (9).
2 2
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