CN202075022U - On-line real-flow verification device for small natural gas flow meter - Google Patents
On-line real-flow verification device for small natural gas flow meter Download PDFInfo
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- CN202075022U CN202075022U CN2011201200172U CN201120120017U CN202075022U CN 202075022 U CN202075022 U CN 202075022U CN 2011201200172 U CN2011201200172 U CN 2011201200172U CN 201120120017 U CN201120120017 U CN 201120120017U CN 202075022 U CN202075022 U CN 202075022U
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Abstract
The utility model discloses an on-line real-flow verification device for a small natural gas flow meter, which is applied to on-line detection of the small natural gas flow meter of an oil-gas field. An inlet flange is connected with a first flow stabilizing pipe through a pipeline; two standard flow pipelines are connected between the first flow stabilizing pipe and a second flow stabilizing pipe in parallel; each standard flow pipeline consists of an adjusting valve, a standard flow meter, a valve and a pipeline; the pipelines at the two ends of the standard flow meters are connected with an adjusting valve and a valve respectively; 2-10 test pipelines are connected between the second flow stabilizing pipe and a third flow stabilizing pipe and consist of a manual valve, a gauge clamping seat and a pipeline respectively; the pipelines at the two ends of the gauge clamping seat are connected with a manual valve respectively; the third flow stabilizing pipe is connected with an outlet flange through a pipeline; and the end part of the second flow stabilizing pipe is connected with an emptying valve through a pipeline. The device has the effects of realizing off-line and on-line verification of natural gas flow meters, along with high detection accuracy, simple structure and convenience in use.
Description
Technical field
The utility model relates to oil gas field production gas technology field, and particularly natural gas flowmeter calibrating, calibrating installation are a kind of Online fluid flow detection devices of rock gas small flowmeter.
Background technology
At present, according to the requirement of " measurement Law " and meter proof rules, must regularly examine and determine and calibrate the accuracy of the flowmeter in the gas metering, using maximum calibration methods at present be exactly off-line calibrating and dry type identification method.Wherein the off-line identification method is cascaded detected flowmeter and flow standard device exactly, makes flow flow through tested flow simultaneously and takes into account standard set-up, weighs the method for tested flowmeter accuracy grade with the metering of standard set-up.The dry type calibrating belongs to indirect multiple measurement method, only need to detect geometrical construction and each size of the flow meter component that influences flow results, calibration has the measurement instrument of related parameter with flow rate calculation and relates to the auxiliary equipment of measurement result, and checks whether the installation of instrument and operation are carried out in accordance with regulations.
In recent years, standard set-up was extensive use of abroad; At home, though history is shorter, perfect along with relevant art rules and magnitude tracing system develops very fast.Such device has become the main flow device of calibrating of high-low pressure gas meter and calibration with its high-level efficiency, wide region, higher characteristics such as accuracy.
Chinese patent publication number: CN1920498, " a kind of measurement calibrating installation " is provided, comprise valve, joint flange, proving flowmeter, connecting line, it is characterized in that this device is " U " shape pipeline, two proving flowmeters that have been installed in series on " U " shape pipeline are fixed with in the both ends of the surface of " U " shape pipeline and are used for the joint flange that links to each other with signal piping.Of the present utility model have characteristics simple in structure, easy to use, that accuracy of detection is high.Because this device is by two proving flowmeters detected flowmeter to be detected simultaneously, and two proving flowmeters are to adopt different principle of work, so just can point-devicely detect the flow in the pipeline, just can calibrate nuclear to detected flowmeter easily by the detection data of proving flowmeter.When this device is installed on the inspection vehicle, just can realize the on-the-spot online detection that all flowmeters on the pipeline are moved.
The utility model content
The purpose of this utility model is: a kind of rock gas small flowmeter Online fluid flow detection device is provided, is applicable to that the natural gas flow weight range is at (2.5～2000) m
3The calibrating of/h flowmeter.
The technical solution adopted in the utility model is: the Online fluid flow detection device of rock gas small flowmeter comprises inlet flange, first barretter, variable valve, proving flowmeter, valve, second barretter, hand valve, tong-test ammeter seat, the 3rd barretter, discharge flange and exhaust-valve; It is characterized in that: inlet flange connects first barretter by pipeline; Be parallel with two normal flow pipelines between first barretter and second barretter, described normal flow pipeline is made up of variable valve, proving flowmeter, valve and pipeline, is connected with a variable valve and a valve on the pipeline of the two ends of proving flowmeter respectively; Between second barretter and the 3rd barretter, be connected with 2～10 test line; Described test line is made up of hand valve, tong-test ammeter seat and pipeline, is connected with a hand valve on the pipeline of the two ends of tong-test ammeter seat respectively; On the 3rd barretter, be connected with discharge flange by pipeline; End at second barretter is connected with exhaust-valve by pipeline.
What described first barretter, second barretter and the 3rd barretter adopted is the steel pipe of internal diameter between 50～200mm, is welded with steel plate at the two ends of steel pipe.
Proving flowmeter on described two normal flow pipelines, what proving flowmeter adopted is the standard Roots type flowmeter; What another proving flowmeter adopted is the standard turbo flowmeter.
The beneficial effects of the utility model: the utility model rock gas small flowmeter Online fluid flow detection device, can realize off-line and in-line calibration natural gas flowmeter; Because this device detects detected flowmeter by two proving flowmeters, and two proving flowmeters are to adopt different principle of work, so just can point-devicely detect the flow in the pipeline, just can carry out calibration check to detected flowmeter easily by the detection data of proving flowmeter.When this device is installed on the inspection vehicle, just can realize the throughput ratio on the on-the-spot pipeline being detected precision height easy to use.
Description of drawings
Fig. 1 is the utility model rock gas small flowmeter Online fluid flow detection device structural representation.
Fig. 2 is the utility model calibrating installation principle of work synoptic diagram.
Among the figure, 1-inlet flange, 2-first barretter, 3-variable valve, 4-proving flowmeter, 5-valve, 6-second barretter, 7-hand valve, 8-tong-test ammeter seat, 9-the 3rd barretter, 10-discharge flange, the 11-exhaust-valve, 12-Online fluid flow detection device, 13-reduction valve, 14-stop valve, the tested flowmeter of 15-.
Embodiment
Embodiment 1: consult Fig. 1.The Online fluid flow detection device of rock gas small flowmeter comprises inlet flange 1, first barretter 2, variable valve 3, proving flowmeter 4, valve 5, second barretter 6, hand valve 7, tong-test ammeter seat 8, the 3rd barretter 9, discharge flange 10 and exhaust-valve 11.
What first barretter 2, second barretter 6 and the 3rd barretter 9 adopted is that internal diameter is the steel pipe of 150mm, is welded with steel plate at the two ends of steel pipe.
Article two, what 4, one proving flowmeters of the proving flowmeter on the normal flow pipeline 4 adopted is the standard Roots type flowmeter; What another proving flowmeter 4 adopted is the standard turbo flowmeter.
The online testing process of Online fluid flow detection device of summary rock gas small flowmeter.Consult Fig. 2.On production flow line, be in series with reduction valve 13, tested flowmeter 15 and stop valve 14 successively.Be connected with take-off pipe respectively on stop valve 14 two ends pipelines, valve is arranged on the take-off pipe, there is flange the end of take-off pipe.The inlet flange 1 of rock gas small flowmeter Online fluid flow detection device 12 and discharge flange 10 are connected with flange on the take-off pipe.Close stop valve 14, make rock gas pass through Online fluid flow detection device 12.Observe the reading of tested flowmeter 15, and with proving flowmeter 4 contrast of Online fluid flow detection device 12; Judge the measurement accuracy of tested flowmeter 15.
Tested flowmeter offline inspection is just fairly simple.By inlet flange 1 and discharge flange 10 Online fluid flow detection device 12 is connected on the natural gas line.The flowmeter that needs detection is installed on tong-test ammeter seat 8; Observe the reading of tested flowmeter, and with proving flowmeter 4 contrast of Online fluid flow detection device 12; Judge the measurement accuracy of tested flowmeter.
Claims (3)
1. the Online fluid flow detection device of a rock gas small flowmeter comprises inlet flange (1), first barretter (2), variable valve (3), proving flowmeter (4), valve (5), second barretter (6), hand valve (7), tong-test ammeter seat (8), the 3rd barretter (9), discharge flange (10) and exhaust-valve (11); It is characterized in that: inlet flange (1) connects first barretter (2) by pipeline; Be parallel with two normal flow pipelines between first barretter (2) and second barretter (6), described normal flow pipeline is made up of variable valve (3), proving flowmeter (4), valve (5) and pipeline, is connected with a variable valve (3) and a valve (5) on the two ends pipeline of proving flowmeter (4) respectively; Between second barretter (6) and the 3rd barretter (9), be connected with 2～10 test line; Described test line is made up of hand valve (7), tong-test ammeter seat (8) and pipeline, is connected with a hand valve (7) on the two ends pipeline of tong-test ammeter seat (8) respectively; Upward be connected with discharge flange (10) at the 3rd barretter (9) by pipeline; End at second barretter (6) is connected with exhaust-valve (11) by pipeline.
2. the Online fluid flow detection device of rock gas small flowmeter according to claim 1, it is characterized in that: what described first barretter (2), second barretter (6) and the 3rd barretter (9) adopted is the steel pipe of internal diameter between 50～200mm, is welded with steel plate at the two ends of steel pipe.
3. the Online fluid flow detection device of rock gas small flowmeter according to claim 1 is characterized in that: the proving flowmeter (4) on described two normal flow pipelines, and what a proving flowmeter (4) adopted is the standard Roots type flowmeter; What another proving flowmeter (4) adopted is the standard turbo flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201200172U CN202075022U (en) | 2011-04-22 | 2011-04-22 | On-line real-flow verification device for small natural gas flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201200172U CN202075022U (en) | 2011-04-22 | 2011-04-22 | On-line real-flow verification device for small natural gas flow meter |
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| Publication Number | Publication Date |
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| CN202075022U true CN202075022U (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201200172U Expired - Lifetime CN202075022U (en) | 2011-04-22 | 2011-04-22 | On-line real-flow verification device for small natural gas flow meter |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422498A (en) * | 2013-08-30 | 2015-03-18 | 中国石油天然气股份有限公司 | Natural gas flow measuring ring detecting section device capable of reducing natural gas pulsating flow |
| CN104501917A (en) * | 2015-01-04 | 2015-04-08 | 镇江市计量检定测试中心 | Ultra-large diameter sonic nozzle block type gas flowmeter calibrating device |
| CN104634423A (en) * | 2015-02-09 | 2015-05-20 | 西安朗威科技有限公司 | Method for calibrating high-pressure flow meters of water injection wells in oil fields in online manner |
| CN105222865A (en) * | 2015-07-23 | 2016-01-06 | 中国计量学院 | Turbo flow meter on-line monitoring method and device |
| CN107355681A (en) * | 2017-08-23 | 2017-11-17 | 兰州空间技术物理研究所 | A kind of feeder and air supply method for the calibration of multiple working medium gas micro |
| CN108709609A (en) * | 2018-07-09 | 2018-10-26 | 西安长庆科技工程有限责任公司 | A kind of natural gas big flow is real to flow calibrating installation and method |
| CN110118589A (en) * | 2019-03-27 | 2019-08-13 | 天津新科成套仪表有限公司 | A kind of apparatus and method for demarcating measuring instrument |
| CN113686415A (en) * | 2021-08-05 | 2021-11-23 | 广州能源检测研究院 | Flow measurement standard device for simulating practical application scene |
| CN114061710A (en) * | 2021-11-13 | 2022-02-18 | 中国航发沈阳黎明航空发动机有限责任公司 | Online calibration system and calibration method for engine fuel flow meter |
-
2011
- 2011-04-22 CN CN2011201200172U patent/CN202075022U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422498B (en) * | 2013-08-30 | 2018-09-04 | 中国石油天然气股份有限公司 | The natural gas flow measuring circuit for cutting down natural gas Pulsating Flow detects section apparatus |
| CN104422498A (en) * | 2013-08-30 | 2015-03-18 | 中国石油天然气股份有限公司 | Natural gas flow measuring ring detecting section device capable of reducing natural gas pulsating flow |
| CN104501917A (en) * | 2015-01-04 | 2015-04-08 | 镇江市计量检定测试中心 | Ultra-large diameter sonic nozzle block type gas flowmeter calibrating device |
| CN104501917B (en) * | 2015-01-04 | 2018-09-18 | 镇江市计量检定测试中心 | Super large caliber sonic nozzle group formula gas flowmeter calibrating installation |
| CN104634423A (en) * | 2015-02-09 | 2015-05-20 | 西安朗威科技有限公司 | Method for calibrating high-pressure flow meters of water injection wells in oil fields in online manner |
| CN104634423B (en) * | 2015-02-09 | 2017-11-28 | 西安朗威科技有限公司 | The method of water injection well in oil fields high-pressure flowmeter on-line proving |
| CN105222865A (en) * | 2015-07-23 | 2016-01-06 | 中国计量学院 | Turbo flow meter on-line monitoring method and device |
| CN107355681A (en) * | 2017-08-23 | 2017-11-17 | 兰州空间技术物理研究所 | A kind of feeder and air supply method for the calibration of multiple working medium gas micro |
| CN107355681B (en) * | 2017-08-23 | 2019-09-10 | 兰州空间技术物理研究所 | A kind of feeder and air supply method for the calibration of multiple working medium gas micro |
| CN108709609A (en) * | 2018-07-09 | 2018-10-26 | 西安长庆科技工程有限责任公司 | A kind of natural gas big flow is real to flow calibrating installation and method |
| CN110118589A (en) * | 2019-03-27 | 2019-08-13 | 天津新科成套仪表有限公司 | A kind of apparatus and method for demarcating measuring instrument |
| CN113686415A (en) * | 2021-08-05 | 2021-11-23 | 广州能源检测研究院 | Flow measurement standard device for simulating practical application scene |
| CN113686415B (en) * | 2021-08-05 | 2024-01-12 | 广州能源检测研究院 | Flow measurement standard device for simulating actual application scene |
| CN114061710A (en) * | 2021-11-13 | 2022-02-18 | 中国航发沈阳黎明航空发动机有限责任公司 | Online calibration system and calibration method for engine fuel flow meter |
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| GR01 | Patent grant | ||
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Granted publication date: 20111214 |
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| CX01 | Expiry of patent term |