CN203037324U - Annular chamber positive pressure flow detection device - Google Patents
Annular chamber positive pressure flow detection device Download PDFInfo
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- CN203037324U CN203037324U CN 201220632889 CN201220632889U CN203037324U CN 203037324 U CN203037324 U CN 203037324U CN 201220632889 CN201220632889 CN 201220632889 CN 201220632889 U CN201220632889 U CN 201220632889U CN 203037324 U CN203037324 U CN 203037324U
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- pressure
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- flow
- control system
- annular chamber
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Abstract
The utility model relates to a flow measuring device of fluid and gas inside a pipeline, in particular to an annular chamber positive pressure flow detection device. The annular chamber positive pressure flow detection device comprises a pipeline system, a computer control system, a medium measuring heating cooling system and a medium flowing and pressure maintaining system, wherein the pipeline system, the medium measuring heating cooling system and the medium flowing and pressure maintaining system are respectively in line connection with the computer control system. A high-precision temperature sensor and a high-precision pressure sensor are installed on the pipeline system and in line connection with the computer control system. The annular chamber positive pressure flow detection device has the advantages of being simple in structure, capable of being assembled and disassembled on line, easy to install and construct, good in stability, wide in applicability, wide in range and shock-resistant, and the annular chamber positive pressure flow detection device is the ideal flow measuring device with pressure and temperatures and suitable for detection and calibration of various flow measuring instruments with different pipe diameters in operating pipelines with pressure.
Description
Technical field
The utility model relates to a kind of pipeline inner fluid gas flow measurement device, a kind of ring casing barotropic flow amount detecting device specifically.
Background technology
At present, gas meter is widely used in various industrial control fields, flow measurement field, and huge facilitation has been played in the robotization of industry-by-industries such as chemical industry, metallurgy, food, public work.Gas meter needs regular calibration measurement precision, and the check of present gas meter is to adopt modes such as the check of negative pressure sonic nozzle method, the check of malleation turbofan method of standard table mostly.Gas meter is check easily under the low pressure situation, but the measurement that much is used in gas meter in the hyperbaric environment uses theoretical derivation of The Ideal-Gas Equation to calculate numerical value usually.But relevant function is very many with measuring, parameters such as the working pressure of gas, temperature, density, water cut all can exert an influence to measurement, therefore in measurement of gas flow field, need a kind of device that under band pressure ring border, temperate zone, can detect gas meter.
The utility model content
The purpose of this utility model provides a kind of simple in structure, can online dismounting, installation is simple, good stability, applicability is wide, broad quantum, but the ring casing barotropic flow amount detecting device of direct modeling instrument environment for use.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of ring casing barotropic flow amount detecting device, it is characterized in that, comprise, pipe system, computer control system, measuring media heating and cooling system, media flow and pressure-retaining system, pipe system, measuring media heating and cooling system, media flow and pressure-retaining system are connected with the computer control system circuit respectively; Temperature sensors of high precision, high-precision pressure sensor are installed on the pipe system, and are connected with the computer control system circuit.
The described pipe system ring line that circulation wind-tunnel pipeline, barretter, axial flow blower, high precision standard scale array, annular bringing-up section, annular cooling section connect and compose successively of serving as reasons;
Described measuring media heating and cooling system is that the annular bringing-up section that is arranged at the pipe system both sides, annular cooling section constitute;
Described media flow and pressure-retaining system are made of axial flow blower, variable-frequence governor, supercharging air compressor machine, pressurize air compressor machine, pressurize speed regulator; Axial flow blower top is equipped with the axial flow blower water-cooling system.
The utlity model has simple in structure, can online dismounting, installation is simple, good stability, applicability is wide, broad quantum, antidetonation, be a kind of desirable band pressure zone temperature flow measurement device, be applicable to the detection calibration of flow measurement instrument in the band pressure in-service pipeline that detects various different tube diameters.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure, 1 circulation wind-tunnel pipeline, 2 barretters, 3 axial flow blowers, 4 variable-frequence governors, 5 temperature sensors of high precision, 6 high-precision pressure sensors, 7 high precision standard scale arrays, 8 detect the table mounting seat, 9 supercharging air compressor machines, 10 pressurize air compressor machines, 11 pressurize speed regulators, 12 annular bringing-up sections, 13 annular cooling sections, 14 axial flow blower water-cooling systems.
Embodiment
As shown in Figure 1, the ring line that pipe system is connected and composed successively by circulation wind-tunnel pipeline 1, barretter 2, axial flow blower 3, high precision standard scale array 7, annular bringing-up section 12, annular cooling section 13, annulus line has guaranteed that the measuring media in the pipeline moves in the volume environment of a sealing, realized stable medium temperature control, pressure is controlled, and greatly reduces the power consumption of single unit system.
The measuring media heating and cooling system annular bringing-up section 12 that is arranged at the pipe system both sides, annular cooling section 13 of serving as reasons constitutes.
Media flow and pressure-retaining system are made of axial flow blower 3, variable-frequence governor 4, supercharging air compressor machine 9, pressurize air compressor machine 10, pressurize speed regulator 11, and axial flow blower 3 tops are equipped with axial flow blower water-cooling system 14; Computer control system can be cooled off by 14 pairs of machineries of Control Shaft flow fan water-cooling system, guarantees that machine operates under the rational working environment, in order to avoid device damage.。
Pipe system, measuring media heating and cooling system, media flow and pressure-retaining system are connected with the computer control system circuit respectively; Temperature sensors of high precision 5, high-precision pressure sensor 6 are installed on the pipe system, and are connected with the computer control system circuit;
Operation steps of the present utility model is:
1) manually tested table is installed on the detection table mounting seat 8.
2) by computer control system, the operation working temperature of this measuring instrument is set, starting condition such as working pressure.
3) by computer control system, the measurement point of this measuring instrument is set, be 5m/s such as measuring wind point is set, 10m/s, 15m/s, 20m/s, a plurality of data such as 25m/s.
4) computer control system control automatically, variable-frequence governor 4 Control Shaft flow fans 3 soft starts are realized basic flow velocity; Feed back to computer control system by the standard scale measurement data, up to adjusting to setting value.
5) computer control system can be controlled automatically, and supercharging air compressor machine 9 is given the pipeline internal medium supercharging rapidly, when surpassing the setting working pressure, controls pressurize air compressor machines 10 by pressurize speed regulator 11 and progressively reaches steady state (SS).Feed back to computer control system by high-precision pressure sensor 6 measurement data, up to adjusting to setting value.
6) computer control system control automatically, annular bringing-up section 12, annular cooling section 13 are regulated temperature to pipeline internal medium rapidly, set the working temperature value up to surpassing, and entire measuring device keeps basic flow velocity, guarantees that medium integral body reaches balanced design temperature.Feed back to computer control system by temperature sensors of high precision 5 measurement data, up to adjusting to setting value.
7) according to the flow verification rules, progressively check.
Claims (4)
1. ring casing barotropic flow amount detecting device, it is characterized in that, comprise, pipe system, computer control system, measuring media heating and cooling system, media flow and pressure-retaining system, pipe system, measuring media heating and cooling system, media flow and pressure-retaining system are connected with the computer control system circuit respectively; Temperature sensors of high precision, high-precision pressure sensor are installed on the pipe system, and are connected with the computer control system circuit.
2. ring casing barotropic flow amount detecting device according to claim 1, it is characterized in that the described pipe system ring line that circulation wind-tunnel pipeline, barretter, axial flow blower, high precision standard scale array, annular bringing-up section, annular cooling section connect and compose successively of serving as reasons.
3. ring casing barotropic flow amount detecting device according to claim 1 is characterized in that, described measuring media heating and cooling system is that the annular bringing-up section that is arranged at the pipe system both sides, annular cooling section constitute.
4. ring casing barotropic flow amount detecting device according to claim 1 is characterized in that, described media flow and pressure-retaining system are made of axial flow blower, variable-frequence governor, supercharging air compressor machine, pressurize air compressor machine, pressurize speed regulator; Axial flow blower top is equipped with the axial flow blower water-cooling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220632889 CN203037324U (en) | 2012-11-27 | 2012-11-27 | Annular chamber positive pressure flow detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220632889 CN203037324U (en) | 2012-11-27 | 2012-11-27 | Annular chamber positive pressure flow detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203037324U true CN203037324U (en) | 2013-07-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220632889 Expired - Fee Related CN203037324U (en) | 2012-11-27 | 2012-11-27 | Annular chamber positive pressure flow detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203037324U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997978A (en) * | 2012-11-27 | 2013-03-27 | 山东迪泽仪表科技有限公司 | Ring chamber positive pressure flow detection device |
| CN109283211A (en) * | 2018-11-06 | 2019-01-29 | 合肥工业大学 | A kind of Multi-parameter coupling drop evaporation experiment channel |
-
2012
- 2012-11-27 CN CN 201220632889 patent/CN203037324U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997978A (en) * | 2012-11-27 | 2013-03-27 | 山东迪泽仪表科技有限公司 | Ring chamber positive pressure flow detection device |
| CN109283211A (en) * | 2018-11-06 | 2019-01-29 | 合肥工业大学 | A kind of Multi-parameter coupling drop evaporation experiment channel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20181127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |