CN204286557U - The real-time checking system of the real stream calibrating of a kind of rock gas - Google Patents
The real-time checking system of the real stream calibrating of a kind of rock gas Download PDFInfo
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- CN204286557U CN204286557U CN201420857538.XU CN201420857538U CN204286557U CN 204286557 U CN204286557 U CN 204286557U CN 201420857538 U CN201420857538 U CN 201420857538U CN 204286557 U CN204286557 U CN 204286557U
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Abstract
The utility model relates to surface facility and gathering line field of measuring techniques in construction of natural gas fields process, particularly the real-time checking system of the real stream calibrating of a kind of rock gas.This system comprises: verify flowmeter, data acquisition and analysis system and verification result automatic detection warning, and verify on the flowmeter upstream that is connected on Natural gas flow meter verification apparatus Plays device or downstream header, it is for Real-time Collection present flow rate value; The flow value that time period same in current flow value and standard presets for gathering current flow value, and compares, if when both differences exceed default threshold value, automatically send alarm by data acquisition and analysis system.This system effectively can improve accuracy and the reliability of the real stream calibrating of rock gas, realize standard and verify function and tested meter proof result anticipation function in real time, Timeliness coverage and Preventive standard device fault, the amount of avoiding passes mistake, guarantee that trade transaction is fair and just, assure the safety for life and property of the people.
Description
Technical field
The utility model relates to surface facility and gathering line field of measuring techniques in construction of natural gas fields process, particularly the real-time checking system of the real stream calibrating of a kind of rock gas.
Background technology
In rock gas real stream verification process, the running status of measurement result and standard is closely related.Common Natural gas flow meter verification apparatus can have data sampling and processing, generate the basic functions such as verification result the original report, but natural gas flow measuring standard does not possess verifies function in real time, to break down as standard or value changes, cannot Timeliness coverage, easily cause the accident of some tested flowmeter modified values mistake, cause trade dispute, to safety in production with trade transaction is fair and just brings adverse effect.
Summary of the invention
(1) technical matters that will solve
The purpose of this utility model is to provide the real stream calibrating of a kind of rock gas real-time checking system, function is verified in real time not possess in the natural gas flowmeter verification system overcoming prior art, easily cause the accident of some tested flowmeter modified values mistake, cause trade dispute, to safety in production with trade transaction is fair and just brings the defects such as adverse effect.
(2) technical scheme
For solving the problem, the utility model provides the real stream calibrating of a kind of rock gas real-time checking system, comprising:
Verify flowmeter, data acquisition and analysis system and verification result automatic detection warning,
On the upstream that described verification flowmeter is connected on Natural gas flow meter verification apparatus Plays device or downstream header, it is for Real-time Collection present flow rate value;
Described data acquisition and analysis system is for gathering current flow value, and the flow value that the time period same in current flow value and standard presets is compared, if when both differences exceed default threshold value, described verification result automatic detection warning sends alarm automatically.
Preferably, described verification flowmeter adopts ultrasonic flowmeter.
Preferably, described system also comprises data output device, and for generating monitoring chart, the time dependent curve of display standard, if when the changing value of standard exceeds default threshold value, then carries out alarm.
Preferably, described data output device also comprises the data periodically exporting and verify flowmeter and gather, and draws the performance curve of verifying flowmeter, by comparing with the calibrating curve of threshold value, judge whether verify flowmeter ANOMALOUS VARIATIONS occurs, and prompting warning is carried out to anomalous performance index.
(3) beneficial effect
The utility model provides the real stream calibrating of a kind of rock gas real-time checking system, effectively can improve accuracy and the reliability of the real stream calibrating of rock gas, realize standard and verify function and tested meter proof result anticipation function in real time, the verification process monitoring and the verification result that improve standard set-up by this pass judgment on ability, Timeliness coverage and Preventive standard device fault, the amount of avoiding passes mistake, guarantees that trade transaction is fair and just, assures the safety for life and property of the people.
Accompanying drawing explanation
Fig. 1 is that the real stream calibrating of the utility model rock gas verifies system architecture schematic diagram in real time.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, the utility model provides the real stream calibrating of a kind of rock gas real-time checking system, comprising:
Verify flowmeter 1, data acquisition and analysis system and verification result automatic detection warning,
On the upstream that described verification flowmeter 1 is connected on Natural gas flow meter verification apparatus 2 Plays device 3 or downstream header, it is for Real-time Collection present flow rate value;
Described data acquisition and analysis system is for gathering current flow value, and the flow value that the same time period in current flow value and standard 3 presets is compared, if when both differences exceed default threshold value, described verification result automatic detection warning sends alarm automatically.
Concrete, verifying flowmeter 1 selects measurement range can cover the flowmeter of measurement standard mandate measurement range, pattern is recommended adopt ultrasonic flowmeter, accuracy of measurement is not less than standard, change being no more than stability requirement year ± 0.25%, be installed in series at standard upstream or downstream header, verify the data acquisition and analysis system of the coherent signal Engage of standard device of flowmeter.According to the flow range of Caiyu station calibrating installation, choose the six sound channels ultrasonic flowmeter of a DN300.
It should be noted that, this standard is the parts that in prior art, Natural gas flow meter verification apparatus carries.
Described system also comprises data output device, and for generating monitoring chart, the time dependent curve of display standard, if when the changing value of standard exceeds default threshold value, then carries out alarm.
Wherein, described data output device also comprises the data periodically exporting and verify flowmeter and gather, and draws the performance curve of verifying flowmeter, by comparing with the calibrating curve of threshold value, judge whether verify flowmeter ANOMALOUS VARIATIONS occurs, and prompting warning is carried out to anomalous performance index.
After standard completes magnitude tracing, adopt standard to carry out the calibration of gamut 10 flow point to verification flowmeter, each flow point continuous coverage 6 times, verification flowmeter is accurately revised, guarantee to verify flowmeter consistent with measurement standard value.Set up the flow value corresponding relation database of verifying flowmeter and standard, formulate flow deviation and control limit, more than verification flowmeter boundary flow, flow deviation is no more than ± and 0.2%, below boundary flow, flow deviation is no more than ± and 0.33%, exceed and control limit, verification system is reported to the police immediately, immediately stops calibration operation, investigates standard set-up comprehensively.
Verification system possesses standard performance monitoring function, and record standard device and verification flowmeter deviation, generate each flow point deviation curve, if the ANOMALOUS VARIATIONS that curve shape occurs, and instant alarming, investigation reason.
Set up periodic calibration meter proof database, record the flowmeter relevant information and calibrating data of examining and determine, draw and preserve tested flowmeter performance curve, when again examining and determine this flowmeter, can immediately recall periodic calibration data and performance curve, the error range of this calibrating of anticipation, by comparing with upper cycle verification result, judge whether flowmeter performance ANOMALOUS VARIATIONS occurs, and anomalous performance index is pointed out, prompting testing person flow meter carries out comprehensive descision, takes the measure reducing metering risk.
The real-time checking system of the real stream calibrating of the rock gas that the utility model provides, effectively can improve accuracy and the reliability of the real stream calibrating of rock gas, realize standard and verify function and tested meter proof result anticipation function in real time, the verification process monitoring and the verification result that improve standard set-up by this pass judgment on ability, Timeliness coverage and Preventive standard device fault, the amount of avoiding passes mistake, guarantees that trade transaction is fair and just, assures the safety for life and property of the people.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and replacement, these improve and replace and also should be considered as protection domain of the present utility model.
Claims (4)
1. the real-time checking system of the real stream calibrating of rock gas, is characterized in that, comprising:
Verify flowmeter, data acquisition and analysis system and verification result automatic detection warning,
On the upstream that described verification flowmeter is connected on Natural gas flow meter verification apparatus Plays device or downstream header, it is for Real-time Collection present flow rate value;
Described data acquisition and analysis system is for gathering current flow value, and the flow value that the time period same in current flow value and standard presets is compared, if when both differences exceed default threshold value, described verification result automatic detection warning sends alarm automatically.
2. the real-time checking system of the real stream calibrating of rock gas as claimed in claim 1, it is characterized in that, described verification flowmeter adopts ultrasonic flowmeter.
3. the real-time checking system of the real stream calibrating of rock gas as claimed in claim 1, it is characterized in that, described system also comprises data output device, for generating monitoring chart, the time dependent curve of display standard, if when the changing value of standard exceeds default threshold value, then carries out alarm.
4. the real-time checking system of the real stream calibrating of rock gas as claimed in claim 3, it is characterized in that, described data output device also comprises the data periodically exporting and verify flowmeter and gather, draw the performance curve of verifying flowmeter, by comparing with the calibrating curve of threshold value, judge whether verify flowmeter ANOMALOUS VARIATIONS occurs, and prompting warning is carried out to anomalous performance index.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420857538.XU CN204286557U (en) | 2014-12-30 | 2014-12-30 | The real-time checking system of the real stream calibrating of a kind of rock gas |
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| CN201420857538.XU CN204286557U (en) | 2014-12-30 | 2014-12-30 | The real-time checking system of the real stream calibrating of a kind of rock gas |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036684A (en) * | 2017-05-11 | 2017-08-11 | 广东卓信环境科技股份有限公司 | A kind of flowmeter fault detection method and device |
| CN107063401A (en) * | 2016-11-28 | 2017-08-18 | 北京瑞赛长城航空测控技术有限公司 | Liquefied natural gas aerating machine calibration method and system |
| 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 |
| CN110726459A (en) * | 2019-09-11 | 2020-01-24 | 张家港氢云新能源研究院有限公司 | Hydrogenation machine on-site verification device and method |
| CN111486930A (en) * | 2020-04-17 | 2020-08-04 | 中海石油气电集团有限责任公司 | Natural gas energy metering assignment checking method and system |
| CN115081741A (en) * | 2022-07-21 | 2022-09-20 | 西南石油大学 | Natural gas metrological verification intelligent prediction method based on neural network |
| CN116757539A (en) * | 2023-06-20 | 2023-09-15 | 四川省产品质量监督检验检测院 | Big data-based quality inspection control system and method for natural gas filling station |
-
2014
- 2014-12-30 CN CN201420857538.XU patent/CN204286557U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063401A (en) * | 2016-11-28 | 2017-08-18 | 北京瑞赛长城航空测控技术有限公司 | Liquefied natural gas aerating machine calibration method and system |
| CN107036684A (en) * | 2017-05-11 | 2017-08-11 | 广东卓信环境科技股份有限公司 | A kind of flowmeter fault detection method and device |
| CN107036684B (en) * | 2017-05-11 | 2019-10-22 | 广东卓信环境科技股份有限公司 | A kind of flowmeter fault detection method and device |
| 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 |
| CN110726459A (en) * | 2019-09-11 | 2020-01-24 | 张家港氢云新能源研究院有限公司 | Hydrogenation machine on-site verification device and method |
| CN111486930A (en) * | 2020-04-17 | 2020-08-04 | 中海石油气电集团有限责任公司 | Natural gas energy metering assignment checking method and system |
| CN115081741A (en) * | 2022-07-21 | 2022-09-20 | 西南石油大学 | Natural gas metrological verification intelligent prediction method based on neural network |
| CN116757539A (en) * | 2023-06-20 | 2023-09-15 | 四川省产品质量监督检验检测院 | Big data-based quality inspection control system and method for natural gas filling station |
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