WO2017016474A1

WO2017016474A1 - Organic fertilizer fermentation tank

Info

Publication number: WO2017016474A1
Application number: PCT/CN2016/091782
Authority: WO
Inventors: 石伟
Original assignee: 石伟
Priority date: 2015-07-30
Filing date: 2016-07-26
Publication date: 2017-02-02
Also published as: CN204824656U

Abstract

Provided is an organic fertilizer fermentation tank, comprising: a cylindrical and sealed tank, provided with a feed inlet and a discharge outlet thereon, wherein the bottom of the tank is provided with at least a pair of supporting wheels, and an outside of the tank is surrounded in a radial direction by transmission teeth fixed and connected to the tank, the transmission teeth being connected to a transmission gear on a motor output shaft; and a central shaft welded inside of the tank, wherein a mixing blade is welded on the central shaft. A sealed tank used in the present invention enhances a contact area between materials and oxygen via a rotation of the tank, and accelerates degradation of the materials since there is no dead spot in the tank, thereby having a good material fermentation effect, being free from environmental pollution, and being suitable for widespread promotion and application.

Description

Organic fertilizer fermenter

Technical field

The invention relates to the technical field of biological fermentation, and more particularly to an organic fertilizer fermenter.

Background technique

For the fermentation of organic fertilizer, the traditional fermentation device often adopts natural fermentation, so the fermentation effect is poor and the fermentation time is long.

The Chinese invention patent No. 201420445463.4 discloses a garbage fermentation apparatus, comprising a fermentation apparatus body, wherein the upper end of the fermentation apparatus body is provided with a feed inlet, the lower end of the fermentation apparatus body is provided with a discharge port, and the feed port is provided with an opening valve. A closing valve is provided at the discharge port.

The above fermentation equipment is a conventional fermentation apparatus, and the fermentation effect is poor.

In order to improve the fermentation efficiency, the Chinese invention patent No. 201420817459.6 discloses an organic fertilizer fermentation device for energy utilization, including a fermenter, a reduction motor is arranged on the top of the fermentation tank, and a geared motor is connected to the stirring shaft on the stirring shaft. The layering is provided with a stirring blade.

By providing a motor-driven stirring blade in the fermenter, although the fermentation time can be reduced to a certain extent and the fermentation efficiency is improved, the effect is still not satisfactory; and since the fermenter is not closed, the exhaust gas generated during the fermentation process will be environmentally friendly. Cause certain pollution.

Therefore, providing an organic fertilizer fermenter with high fermentation efficiency, good fermentation effect, no pollution to the environment, and full closure has become a goal and an effort of those skilled in the art.

Summary of the invention

In order to solve the problem of poor fermentation effect of the existing organic fertilizer fermenter, the invention provides a fully enclosed organic fertilizer fermenting tank, which reduces the fermentation time of the organic fertilizer, improves the fermentation efficiency of the organic fertilizer, has good fermentation effect, and has no pollution to the environment. .

In order to achieve the above object, the present invention discloses an organic fertilizer fermenting tank comprising a cylindrical, closed tank body having a feed opening and a discharge opening on the tank body, and at least one pair of supporting tank bodies at the bottom of the tank body. The outer side of the tank body radially surrounds the transmission teeth fixedly connected to the tank body; the fermenting tank further comprises a speed reducer connected to the motor, the active tooth bite transmission wheel of the reducer, the transmission wheel and the transmission gear gear Connected; the center of the tank is welded with a central shaft, and the stirring shaft is welded on the central shaft.

The invention changes the traditional stirring mode, innovatively drives the tank body to rotate, and fixes the central shaft with the stirring blade and the inner wall of the tank to achieve sufficient agitation of the material without leaving a dead angle, thereby reducing the fermentation time and improving The purpose of fermentation efficiency.

Further, the inner wall of the tank is fixed with two or more strips, and the two ends of the strip are welded at both ends of the tank, and the side wall of the strip is welded to the side wall of the tank, and the strip is evenly arranged along the inner wall of the tank. cloth.

The lifting plate fixed on the inner wall of the tank is used to avoid material accumulation, and the lifting plate is set at a certain angle. The purpose is to enable the material to be lowered when approaching the highest end of the tank as the material rotates with the tank. The material is convenient for the material to fully contact with the air, and also prevents the material from remaining on the inner wall of the tank, thereby improving the mixing effect of the material and improving the fermentation efficiency.

Further, the fermenter further includes a monitoring device, and the monitoring device includes a PLC controller, a display connected to the PLC controller, and the PLC controller is connected to the motor. The fermentation tank of the invention provides automation of equipment operation through the opening and running of the PLC controller motor, and truly realizes remote management.

Further, a heating box body is installed on the outer wall of the tank, and a temperature measuring instrument is installed in the tank body and the heating box body, and the heating box is installed with a heating device, and the temperature measuring instrument is connected with the PLC controller.

After long-term work, the heat loss of the tank body will be largely lost. In order to ensure the efficient operation of the bacteria in the tank body and improve the fermentation effect, the present invention needs to provide a certain amount of heat to the outside, and the present invention provides appropriate heat to the fermenter through the heating tank. In order to ensure the strongest strain activity, the fermentation effect is the best. The fermenter of the invention regulates the heating device in the heating tank by monitoring the internal temperature of the tank, so that the fermentation strain is always in the most suitable temperature environment during the working process of each stage.

Further, a pressure measuring instrument and an oxygen measuring instrument are installed in the tank body, and the pressure measuring instrument and the oxygen measuring instrument are all connected with the PLC controller.

When the tank is in operation, in order to increase the sufficient air and oxygen in the tank, the inside of the tank is under pressure. The oxygen content in the tank should be no less than 14% to ensure that the fermenting bacteria are in the most suitable working environment.

Further, an exhaust valve and a safety valve are mounted on the can body.

Since the internal pressure changes after the fermenter has been in operation for a period of time, the present invention has an exhaust valve mounted on the tank for safety. When the internal air pressure is greater than a safety threshold, if the safety threshold is five atmospheres, the exhaust valve is opened. , the internal air pressure is reduced to below five atmospheric pressure; similarly, when the fermenter needs to discharge and reload the material, the internal pressure of the fermenter should be set to be the same as the external pressure, that is, one atmosphere, at this time, the safety valve is opened and adjusted. The internal pressure of the fermenter is up to one atmosphere.

Further, the inside of the tank body is provided with a support frame, and the support frame includes two or more support columns, and the two ends of the support column are respectively welded to the inner wall of the tank and the central shaft. In order to sufficiently fix the central shaft, the present invention uses a support frame to fix the central shaft. In addition, the support frame also has a certain stirring material.

Further, the central shaft is disposed along the axial direction of the can body and penetrates through the inner cavity of the can body, and both ends of the central shaft are respectively welded to the inner walls of both ends of the can body. The central axis penetrates the inner cavity of the tank axially, which plays the role of fully agitating the material in the tank, and improves the fermentation efficiency and fermentation effect.

Further, the agitating blades are at least two, and are evenly arranged along the central axis direction, and the agitating blades comprise connecting rods and leaf portions, and the connecting rods are respectively fixed to the central shaft and the leaf portions. A plurality of stirring blades are provided to enhance the stirring effect, thereby improving the fermentation effect.

The end of the discharge port side is provided with a head, and the head is connected to the can body by bolts. The head can be detached and opened. At the end of the fermentation, the can body head on the side of the discharge port is disassembled and opened, and the whole body is discharged under the rotating state.

The invention has the beneficial effects that the invention adopts a sealed tank body, and the contact area between the material and the oxygen is improved by the rotation of the tank body, and there is no dead angle in the tank body, which can accelerate the degradation of the material, the fermentation effect of the material is good, and the environment is not Pollution, suitable for large-scale promotion and application.

DRAWINGS

Figure 1 is a cross-sectional view of an organic fertilizer fermentor;

Figure 2 is a cross-sectional view of a preferred embodiment of an organic fertilizer fermentor;

In the picture,

1. Transmission gear; 2. Feeding port; 3. Stirring blade; 4. Support frame; 5. Tank body; 6. Discharge port; 7. Transmission wheel; 8. Motor; 9. Center shaft; ; 11, lifting plate; 12, liquid injection port; 13, head.

detailed description

The structure of the present invention will be explained in detail below with reference to the accompanying drawings.

As shown in Figures 1-2, the organic fertilizer fermentor of the present invention comprises a cylindrical, closed, horizontally placed tank 5 having a feed opening 2 and a discharge opening 6 therein. The feed port 2 is used for filling materials, and the discharge port 6 is used for flowing out the produced organic fertilizer raw material after fermentation.

The present invention differs from the conventional fermenter in that the bottom of the can body 5 of the fermentor of the present invention is provided with at least one pair of support rollers 10 supporting the can body 5, the support roller 10 including a set of wheels supporting the can body 5, and Rotating with the rotation of the can body 5, each of the supporting rollers 10 is respectively provided with a retaining wheel, and the retaining wheel abuts against the protruding side of the protruding body of the can body 5 for preventing the axial movement of the can body 5, and has a limit Bit role. The outer side of the can body 5 is radially surrounded by a transmission tooth 1 fixed to the can body 5; the fermenter further includes a motor 8 for providing a power source, the output shaft of the motor 8 is fixed with a transmission wheel 7, the transmission wheel 7 and the transmission The tooth 1 is geared, and the fermenter rotates with the rotation of the motor shaft; the central body 9 is welded inside the can body 5, and the stirring blade 3 is welded on the central shaft 9, and the mixing blade 3 is combined in the fermenter and the inside thereof. Under the fermenter, the material in the fermenter is in full contact with oxygen, which reduces the fermentation time and improves the fermentation efficiency.

In order to achieve automatic control, the fermenter of the present invention further includes a monitoring device including a PLC controller, a display connected to the PLC controller, and a PLC controller connected to the motor. The fermenter of the invention controls the opening and running of the motor through the PLC controller, provides automation of the operation of the device, and truly realizes remote management.

In order to better control the temperature in the tank 5, the outer wall of the tank 5 of the fermenter of the present invention is provided with a heating box body, and the temperature measuring instrument is installed in the tank body 5 and the heating box body, and the heating box body is installed with heating. The device is connected to the PLC controller. The heating box body may be a heating tube fixed to the surface of the tank body 5, and rotates synchronously with the tank body 5; the heating device may also be a separate device disposed on or around the tank body 5. The invention provides appropriate heat to the fermenter by heating the tank to ensure the strongest activity of the strain and the best fermentation effect.

In order to better control the pressure and oxygen content in the tank 5, a pressure measuring instrument and an oxygen measuring instrument are installed in the tank body 5 of the fermenting tank of the present invention, and the pressure measuring instrument and the oxygen measuring instrument are all connected with the PLC controller. The oxygen content in the tank 5 should be not less than 14%, thereby ensuring that the fermenting bacteria are in the most suitable working environment.

In order to better fix the central shaft 9 inside the can body 5, and also function as a stirring material, the tank body 5 is internally provided with a support frame 4, and the support frame 4 includes two or more support columns, one end of the support column and the can body 5 The inner wall is welded, and the other end of the support column is welded to the central shaft 9.

In order to further improve the effect of the agitating material, the central shaft 9 is disposed at the center of the can body 5, is disposed along the axial direction of the can body 5, and penetrates the inner cavity of the can body 5. The two ends of the central shaft 9 are respectively welded to the inner walls of both ends of the can body 5. Two or more stirring blades 3 are welded to the center shaft 9, and are uniformly disposed along the central axis 9. In the present invention, the agitating blades 3 include connecting rods and vanes, and the connecting rods are respectively fixed to the central shaft 9 and the vanes.

Two or more stripping plates 11 are fixed on the inner wall of the can body 5, and both ends of the stripping plate 11 are welded at both ends of the tank body 5. For better material extraction, the side wall of the stripping board 11 is welded to the tank body in a sealed manner. 5 inner side wall, a plurality of strips 11 are evenly disposed along the inner wall of the can body 5. In the embodiment, the length of the lifting plate 11 is 30-40 cm, which is used for preventing material accumulation and improving the material mixing effect.

In the present embodiment, the liquid filling port 12 is opened on the can body 5. At the end of the fermentation, the liquid is injected to facilitate the transfer of the material. The end of the can body 5 having the discharge opening of the can body 5 is inclined downward, and the inclination angle is less than 2 degrees. The feed port 2 is disposed in the middle of the can body 5, and the discharge port 6 is disposed at the end of the can body 5 to facilitate the discharge of the liquid together with the material. In order to realize the discharge of the solid material, the fermenter of the present invention is provided with a head 13 at the end of the can body 5 on the side of the discharge port 6, and the head 13 is connected to the can body 5 by bolts. The head 13 is detachable and openable, and at the end of the fermentation, the can body head 13 on the side of the discharge port 6 is disassembled and opened, and the entire can body 5 is discharged in a rotating state.

In the present invention, since the internal pressure changes after the fermentation tank is operated for a period of time, the present invention is provided with an exhaust valve on the tank 5 for safety, and when the internal air pressure is greater than a safety threshold, such as a safety threshold of five atmospheres, Then open the exhaust valve to reduce the internal air pressure to below 5 atmospheres; similarly, when the fermenter needs to be reloaded, the internal pressure of the fermenter should be set to the same as the external pressure, that is, one atmosphere, then open safely. The valve adjusts the internal pressure of the fermenter to an atmospheric pressure.

In the fermentation process, ammonia gas, sulfide and other exhaust gases are generated. In order to reduce environmental pollution, the exhaust valve and the safety valve are connected with the gas recovery spray system, and the gas in the tank is easily dissolved in water and accounts for a relatively large amount of ammonia gas. Leaching absorption, sulfides can be adsorbed in other ways, so that the impact on the environment is in a controlled state.

It should be noted that the end wall of the can body 5 of the present invention refers to the end walls of the left and right ends of the can body 5 which are horizontally placed in Fig. 1, and the inner side wall refers to the side wall in the radial direction of the cylindrical can body 5.

It should be noted that the material of the fermenter of the present invention includes human animal waste or other organic matter, and the inventive concept is embodied in the full sealing and the stirring of the material, so that the material is in full contact with oxygen, thereby improving the fermentation effect and the fermentation efficiency. Since the water content of the above materials can be as high as 65% and has a strong viscosity, the oxygen required for providing the fermenting bacteria in the fermentation process, which is effective and has no dead angle, becomes the focus of the production process. The traditional mixing method is not completely closed, which will cause secondary pollution to the environment. If the external force is used to drive the central shaft 9 to rotate in the tank body 5, the work of stirring the leaves to achieve the effect of stirring and replenishing oxygen, due to the high moisture content of the material, it will inevitably lead to a dead angle of material fermentation, and it is difficult to ensure a high quality overall material. Fermentation process. At the same time, the manner in which the external force drives the center shaft 9 destroys the integrity of the can body 5, and the airtightness is also highlighted during the belt pressing operation. The invention drives the rotation of the stirring blade by the rotation of the can body 5, improves the contact area between the material and the oxygen, has no dead angle in the tank body 5, can accelerate the degradation of the material, has good fermentation effect of the material, and improves the fermentation efficiency. The fermentor of the present invention enables a closed fermentation process and provides an operational and achievable solution for human fecal management. At present, there is no fermenter for treating human feces, and the present invention makes up for this deficiency.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions, and simple modifications made in the substance of the present invention are included in the scope of the present invention. Inside.

Claims

An organic fertilizer fermenting tank comprising a cylindrical, closed tank body (5) having a feed opening (2) and a discharge opening (6), wherein the bottom of the tank body is provided with at least one pair a supporting wheel (10) supporting the tank body, the outer part of the tank body radially surrounding the transmission tooth (1) fixed to the tank body; the fermenting tank further comprises a speed reducer connected to the motor (8), and the speed reducer is active The tooth bite transmission wheel (7), the transmission wheel is connected with the transmission tooth gear; the center of the tank is welded with a central shaft (9), and the stirring shaft (3) is welded on the central shaft.
The organic fertilizer fermenting tank according to claim 1, wherein the inner wall of the tank is fixed with two or more stripping plates (11), and both ends of the strip are welded to the end walls of the tank body, and the side of the stripping plate is The wall of the wall is welded to the inner side wall of the tank, and the lifting plate is evenly arranged along the inner wall of the tank.
The organic fertilizer fermenter according to claim 1, wherein the fermenter further comprises a monitoring device comprising a PLC control, a display connected to the PLC controller, and the PLC controller being connected to the motor.
The organic fertilizer fermenting tank according to claim 3, wherein the outer wall of the tank is provided with a heating box body, and the temperature measuring instrument is installed in the tank body and the heating box body, and the heating box body is equipped with a heating device, and the measuring device is provided. The thermometer is connected to the PLC controller.
The organic fertilizer fermenter according to claim 3, wherein a pressure measuring instrument and an oxygen measuring device are installed in the tank body, and the pressure measuring instrument and the oxygen measuring instrument are both connected to the PLC controller.
The organic fertilizer fermenter according to claim 1, wherein an exhaust valve and a safety valve are mounted on the can body.
The organic fertilizer fermenting tank according to claim 1, wherein the tank body is provided with a support frame (4), and the support frame comprises two or more support columns, and the two ends of the support column are respectively welded to the inner wall of the tank and the central shaft. .
The organic fertilizer fermenter according to claim 1, wherein the central shaft is disposed along the axial direction of the can body and penetrates through the inner cavity of the can body, and both ends of the central shaft are respectively welded to the inner walls of both ends of the can body.
The organic fertilizer fermenter according to claim 1, wherein at least two stirring blades are uniformly arranged along a central axis, and the stirring blade comprises a connecting rod and a leaf portion, and the two ends of the connecting rod are respectively fixed to the central axis and the leaf unit.
The organic fertilizer fermenter according to claim 1, wherein the end of the can body on the discharge port side is provided with a head (13), and the head is connected to the can body by bolts.