CN102997978A - Ring chamber positive pressure flow detection device - Google Patents
Ring chamber positive pressure flow detection device Download PDFInfo
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- CN102997978A CN102997978A CN2012104879305A CN201210487930A CN102997978A CN 102997978 A CN102997978 A CN 102997978A CN 2012104879305 A CN2012104879305 A CN 2012104879305A CN 201210487930 A CN201210487930 A CN 201210487930A CN 102997978 A CN102997978 A CN 102997978A
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Abstract
The invention relates to a device for measuring the flow rate of fluid and gas in a pipeline, and in particular relates to a ring chamber positive pressure flow detection device which comprises a pipeline system, a computer control system, a measurement medium heating and cooling system and a medium flow and pressure maintaining system, wherein the pipeline system, the measurement medium heating and cooling system and the medium flow and pressure maintaining system are respectively connected with the computer control system; and a high-accuracy temperature sensor and a high-accuracy pressure sensor are arranged on the pipeline system and are connected with the computer control system by a circuit. The ring chamber positive pressure flow detection device is simple in structure, can be assembled and disassembled in an on-line way, and is simple in installation and construction, good in stability, wide in applicability, wide in measuring range and shock-resistant, thus being an ideal flow measuring device with functions of pressure and temperature measurement, and being suitable for the testing calibration on a flow measuring instrument used for pipelines which run with pressure and have various diameters.
Description
Technical field
The present invention relates to a kind of pipeline inner fluid gas flow surveying instrument, specifically a kind of ring casing barotropic flow amount detecting device.
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 the 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 the modes such as the check of negative pressure sonic nozzle method, the check of malleation turbofan method of standard table mostly.Gas meter is easily check in 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, the 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 can detect gas meter under with pressure ring border, temperate zone.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, 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 use environment.
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 respectively with the computer control system connection; Temperature sensors of high precision, high-precision pressure sensor are installed on the pipe system, and with the computer control system connection.
The described pipe system ring line that circulation wind-tunnel pipeline, barretter, axial flow blower, high precision standard scale array, annular-heating section, annular cooling section connect and compose successively of serving as reasons;
Described measuring media heating and cooling system is that the annular-heating section that is arranged at the pipe system both sides, annular cooling section consist of;
Described media flow and pressure-retaining system are made of axial flow blower, variable-frequence governor, pressurizing air press, pressurize air compressor machine, pressurize speed regulator; Axial flow blower top is equipped with the axial flow blower water-cooling system.
The present invention has simple in structure, online dismounting, and 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 detect the testing calibration of flow measurement instrument in the in-service pipeline with pressure of various different tube diameters.
Description of drawings
Fig. 1 is structural representation of the present invention.
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 pressurizing air press, 10 pressurize air compressor machines, 11 pressurize speed regulators, 12 annular-heating 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-heating 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-heating section 12 that is arranged at the pipe system both sides, annular cooling section 13 of serving as reasons consists of.
Media flow and pressure-retaining system are made of axial flow blower 3, variable-frequence governor 4, pressurizing air press 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 respectively with the computer control system connection; Temperature sensors of high precision 5, high-precision pressure sensor 6 are installed on the pipe system, and with the computer control system connection;
Operation steps of the present invention 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, the 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) automatically control of computer control system, 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, until adjust to setting value.
5) automatically control of computer control system, pressurizing air press 9 is given rapidly the pipeline internal medium supercharging, until surpass when setting working pressure, progressively reaches steady state (SS) by pressurize speed regulator 11 control pressurize air compressor machines 10.Feed back to computer control system by high-precision pressure sensor 6 measurement data, until adjust to setting value.
6) automatically control of computer control system, annular-heating section 12, annular cooling section 13 are regulated temperature to pipeline internal medium rapidly, set the working temperature value until surpass, and whole measurement mechanism 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, until adjust 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 respectively with the computer control system connection; Temperature sensors of high precision, high-precision pressure sensor are installed on the pipe system, and with the computer control system connection.
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-heating 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-heating section that is arranged at the pipe system both sides, annular cooling section consist of.
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, pressurizing air press, 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 |
|---|---|---|---|
| CN2012104879305A CN102997978A (en) | 2012-11-27 | 2012-11-27 | Ring chamber positive pressure flow detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104879305A CN102997978A (en) | 2012-11-27 | 2012-11-27 | Ring chamber positive pressure flow detection device |
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| CN102997978A true CN102997978A (en) | 2013-03-27 |
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| CN2012104879305A Pending CN102997978A (en) | 2012-11-27 | 2012-11-27 | Ring chamber positive pressure flow detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807522A (en) * | 2015-04-21 | 2015-07-29 | 中国计量学院 | High-temperature gas flow rate measuring standard device and detection method thereof |
| CN105091989A (en) * | 2015-05-06 | 2015-11-25 | 姜跃炜 | An environment-controllable flow detection standard device |
| CN105890699A (en) * | 2015-01-26 | 2016-08-24 | 高准有限公司 | Flowmeter capable of adjusting working temperature in self-adaptive manner and method of flowmeter |
| CN108225443A (en) * | 2016-12-14 | 2018-06-29 | 中国石油天然气股份有限公司 | Gas discharge detects circuit 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1439866A (en) * | 2003-04-11 | 2003-09-03 | 天津大学 | Gas flow standardizing devices |
| CN101358871A (en) * | 2008-08-05 | 2009-02-04 | 美新半导体（无锡）有限公司 | Actual flow circle calibrating apparatus for gas flowmeter and calibrating method thereof |
| CN203037324U (en) * | 2012-11-27 | 2013-07-03 | 山东迪泽仪表科技有限公司 | Annular chamber positive pressure flow detection device |
-
2012
- 2012-11-27 CN CN2012104879305A patent/CN102997978A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1439866A (en) * | 2003-04-11 | 2003-09-03 | 天津大学 | Gas flow standardizing devices |
| CN101358871A (en) * | 2008-08-05 | 2009-02-04 | 美新半导体（无锡）有限公司 | Actual flow circle calibrating apparatus for gas flowmeter and calibrating method thereof |
| CN203037324U (en) * | 2012-11-27 | 2013-07-03 | 山东迪泽仪表科技有限公司 | Annular chamber positive pressure flow detection device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890699A (en) * | 2015-01-26 | 2016-08-24 | 高准有限公司 | Flowmeter capable of adjusting working temperature in self-adaptive manner and method of flowmeter |
| CN104807522A (en) * | 2015-04-21 | 2015-07-29 | 中国计量学院 | High-temperature gas flow rate measuring standard device and detection method thereof |
| CN104807522B (en) * | 2015-04-21 | 2018-03-20 | 中国计量学院 | High-temperature gas flow measurement standard set-up and its detection method |
| CN105091989A (en) * | 2015-05-06 | 2015-11-25 | 姜跃炜 | An environment-controllable flow detection standard device |
| CN108225443A (en) * | 2016-12-14 | 2018-06-29 | 中国石油天然气股份有限公司 | Gas discharge detects circuit 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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Application publication date: 20130327 |