CN103344286A - Double-flange balance flow meter - Google Patents
Double-flange balance flow meter Download PDFInfo
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- CN103344286A CN103344286A CN2013102657403A CN201310265740A CN103344286A CN 103344286 A CN103344286 A CN 103344286A CN 2013102657403 A CN2013102657403 A CN 2013102657403A CN 201310265740 A CN201310265740 A CN 201310265740A CN 103344286 A CN103344286 A CN 103344286A
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- flange
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- pipe
- pipeline
- flow meter
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Abstract
The invention relates to a double-flange balance flow meter. The double-flange balance flow meter comprises a flow meter body, a sensor and a differential pressure transmitter. The flow meter body comprises a first pipe, a first pressure leading pipe, a first flange, a second pipe, a second pressure leading pipe and a second flange, wherein a first pressure taking hole is formed in the first pipe, the first pressure taking hole is connected with the lower end of the first pressure leading pipe, and the first flange is connected with the upper end of the first pressure leading pipe. A second pressure taking hole is formed in the second pipe, the second pressure taking hole is connected with the lower end of the second pressure leading pipe, and the second flange is connected with the upper end of the second pressure leading pipe. The first flange and the second flange are respectively connected with the differential pressure transmitter through stop valves. The first pipe is connected with the second pipe, and the sensor is arranged between the first pipe and the second pipe. The double-flange balance flow meter is used for metering liquid, dirt and dust gas, wherein the liquid is viscous, poisonous and highly corrosive, contains suspending solid particles and the like, and needs to be metered separately.
Description
Technical field
The present invention relates to a kind of balanced flow meter, particularly disclose a kind of pair of flange balanced flow meter.
Background technology
At present, more and more for the measurement of some special media flows in commercial production, such as the special occasions to some liquid that need isolate and needs insulation.Along with the development of technology, people also require more and more higher to accuracy of measurement, the reliability and stability of flowmeter.Though common balanced flow meter has adopted the higher ring type pressure of ratio of precision, also can measure the operating mode of some more complicated, the measurement of the gas of the liquid of high thickness and dirty dust is just stopped up easily.
Summary of the invention
The objective of the invention is to overcome problems of the prior art, a kind of two flange balanced flow meters that are exclusively used in the liquid measuring thickness, poisonous, deep-etching etc. and need isolation measurement, dirty and dusty gas are provided.
The present invention is achieved in that a kind of pair of flange balanced flow meter, comprise flowmeter body, sensor, differential pressure transmitter, it is characterized in that: described flowmeter body comprises first pipeline, first pressure guiding pipe, first flange, second pipeline, second pressure guiding pipe, second flange, described first pipeline is provided with first pressure port, the lower end of described first pressure guiding pipe links to each other with described first pressure port, and the upper end of described first pressure guiding pipe links to each other with described first flange; Described second pipeline is provided with second pressure port, and the lower end of described second pressure guiding pipe links to each other with described second pressure port, and the upper end of described second pressure guiding pipe links to each other with described second flange; Described first flange, second flange link to each other with described differential pressure transmitter by stop valve respectively; Described first pipeline links to each other with described second pipeline, and is provided with sensor between described first pipeline and described second pipeline.
Described differential pressure transmitter is diaphragm seal formula differential pressure transmitter.
The aperture of described first pressure port, second pressure port is respectively DN25 ~ DN80.
The invention has the beneficial effects as follows: measure thickness, poisonous, deep-etching, contain the liquid of measurement of needs such as the solid particle isolation of suspension, during dirty and dusty gas, its serviceable life, measuring accuracy are than common balanced flow meter height.When measuring severe corrosive gas, liquid, the part that differential pressure transmitter contacts with medium is selected suitable anti-corrosion material, and the part that ball valve and sensor are contacted with medium serves as a contrast fluoroplastic such as PTFE or PFA, improves serviceable life; Common equiulbrium flow flowmeter measurement thickness, solid particle poisonous, that contain suspension is dirty and during dusty gas, dirt enters, stops up pressure guiding pipe easily, influence differential pressure, and pressure tappings of the present invention is big, be DN25 ~ DN80, pressure guiding pipe is not easy to stop up, and impurity also can not enter the chamber of transmitter, improves measuring accuracy.
Description of drawings
Fig. 1 is structural representation of the present invention.
Wherein: 1, flowmeter body; 2, sensor; 3, first pipeline; 4, first pressure guiding pipe; 5, first flange; 6, differential pressure transmitter; 7, second pipeline; 8, second pressure guiding pipe; 9, second flange; 10, first pressure port; 11, second pressure port; 12, stop valve.
Embodiment
According to Fig. 1, the present invention includes flowmeter body 1, sensor 2, differential pressure transmitter 6, described flowmeter body 1 comprises first pipeline 3, first pressure guiding pipe 4, first flange 5, second pipeline 7, second pressure guiding pipe 8, second flange 9, described first pipeline 3 is provided with first pressure port 10, the lower end of described first pressure guiding pipe 4 links to each other with described first pressure port 10, and the upper end of described first pressure guiding pipe 4 links to each other with described first flange 5; Described second pipeline 7 is provided with second pressure port 11, and the lower end of described second pressure guiding pipe 8 links to each other with described second pressure port 11, and the upper end of described second pressure guiding pipe 8 links to each other with described second flange 9; Described first flange 5, second flange 9 link to each other with described differential pressure transmitter 6 by stop valve 12 respectively; Described first pipeline 3 links to each other with described second pipeline 7, and is provided with sensor 2 between described first pipeline 3 and described second pipeline 7.Described differential pressure transmitter 6 is diaphragm seal formula differential pressure transmitter.The aperture of described first pressure port 10, second pressure port 11 is respectively DN25 ~ DN80.
During fluid flows through sensor 2, because sensor has the choked flow effect, make that the pressure of sensor 2 front and back fluids is inconsistent, form differential pressure.Hydrodynamic pressure is drawn by impulse mouth 10 and 11 by pressure guiding pipe 4 and 8, inserts in the differential pressure transmitter 6, and differential pressure transmitter 6 records differential pressure value.The square root that counts of this differential pressure value is directly proportional with flow, thereby obtains flow by measuring differential pressure.
Claims (3)
1. two flange balanced flow meter, comprise flowmeter body, sensor, differential pressure transmitter, it is characterized in that: described flowmeter body comprises first pipeline, first pressure guiding pipe, first flange, second pipeline, second pressure guiding pipe, second flange, described first pipeline is provided with first pressure port, the lower end of described first pressure guiding pipe links to each other with described first pressure port, and the upper end of described first pressure guiding pipe links to each other with described first flange; Described second pipeline is provided with second pressure port, and the lower end of described second pressure guiding pipe links to each other with described second pressure port, and the upper end of described second pressure guiding pipe links to each other with described second flange; Described first flange, second flange link to each other with described differential pressure transmitter by stop valve respectively; Described first pipeline links to each other with described second pipeline, and is provided with sensor between described first pipeline and described second pipeline.
2. according to described pair of flange balanced flow of claim 1 meter, it is characterized in that: described differential pressure transmitter is diaphragm seal formula differential pressure transmitter.
3. according to described pair of flange balanced flow of claim 1 meter, it is characterized in that: the aperture of described first pressure port, second pressure port is respectively DN25 ~ DN80.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102657403A CN103344286A (en) | 2013-06-28 | 2013-06-28 | Double-flange balance flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102657403A CN103344286A (en) | 2013-06-28 | 2013-06-28 | Double-flange balance flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103344286A true CN103344286A (en) | 2013-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102657403A Pending CN103344286A (en) | 2013-06-28 | 2013-06-28 | Double-flange balance flow meter |
Country Status (1)
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| CN (1) | CN103344286A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501884A (en) * | 2014-12-08 | 2015-04-08 | 上海科洋科技股份有限公司 | Rectangular flowmeter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2625854Y (en) * | 2003-07-18 | 2004-07-14 | 项家从 | Flange tapping wedge-shaped flow converter |
| US20060277000A1 (en) * | 1996-03-28 | 2006-12-07 | Wehrs David L | Flow measurement diagnostics |
| CN201281643Y (en) * | 2008-11-06 | 2009-07-29 | 上海宝钢化工有限公司 | Differential pressure transmitter with sealed type septum |
| CN202182740U (en) * | 2011-08-02 | 2012-04-04 | 威海文润测控设备有限公司 | Porous steady-flow differential pressure type flow meter |
| CN102435236A (en) * | 2011-11-04 | 2012-05-02 | 南通醋酸纤维有限公司 | Flow meter of perforated plate |
| CN202403742U (en) * | 2011-11-24 | 2012-08-29 | 承德菲时博特自动化设备有限公司 | Porous balanced throttling meter |
| CN203310454U (en) * | 2013-06-28 | 2013-11-27 | 上海华强浮罗仪表有限公司 | Double-flange balance flow meter |
-
2013
- 2013-06-28 CN CN2013102657403A patent/CN103344286A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060277000A1 (en) * | 1996-03-28 | 2006-12-07 | Wehrs David L | Flow measurement diagnostics |
| CN2625854Y (en) * | 2003-07-18 | 2004-07-14 | 项家从 | Flange tapping wedge-shaped flow converter |
| CN201281643Y (en) * | 2008-11-06 | 2009-07-29 | 上海宝钢化工有限公司 | Differential pressure transmitter with sealed type septum |
| CN202182740U (en) * | 2011-08-02 | 2012-04-04 | 威海文润测控设备有限公司 | Porous steady-flow differential pressure type flow meter |
| CN102435236A (en) * | 2011-11-04 | 2012-05-02 | 南通醋酸纤维有限公司 | Flow meter of perforated plate |
| CN202403742U (en) * | 2011-11-24 | 2012-08-29 | 承德菲时博特自动化设备有限公司 | Porous balanced throttling meter |
| CN203310454U (en) * | 2013-06-28 | 2013-11-27 | 上海华强浮罗仪表有限公司 | Double-flange balance flow meter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501884A (en) * | 2014-12-08 | 2015-04-08 | 上海科洋科技股份有限公司 | Rectangular flowmeter |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131009 |