CN206440359U - A kind of automatic tune streaming system for natural gas - Google Patents
A kind of automatic tune streaming system for natural gas Download PDFInfo
- Publication number
- CN206440359U CN206440359U CN201720090462.6U CN201720090462U CN206440359U CN 206440359 U CN206440359 U CN 206440359U CN 201720090462 U CN201720090462 U CN 201720090462U CN 206440359 U CN206440359 U CN 206440359U
- Authority
- CN
- China
- Prior art keywords
- flowmeter
- flow
- valve
- control
- ball valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Measuring Volume Flow (AREA)
Abstract
A kind of automatic tune streaming system for natural gas, including：The first ball valve, first flowmeter, proving flowmeter, tested flowmeter, the second ball valve being sequentially connected, and the first flowmeter is used for the total gas couette that detection enters pipeline；Also include a control system, a pressure-regulating valve, a differential pressure meter, the signal input part of the first flowmeter, the signal output part of the proving flowmeter with the control system is electrically connected, for detect flow through the first flowmeter, the proving flowmeter gas flow；Its advantage is：By the control of differential pressure out of the station to ensure the stabilization of trunk linear flow rate in verification process, then the stabilization of calibrating atmospheric pressure in tune stream and verification process is ensured, by the way of flow bypass valve and flow control valve jointly control, the total flow that may be implemented in into calibrating technological process keep it is constant on the premise of flow automatically adjust.
Description
Technical field
The utility model is related to natural gas automatic control technology field, specifically a kind of automatic tune for natural gas
Streaming system.
Background technology
Natural gas is as a kind of clean energy, with good economic benefit and social benefit, in world's energy resource structure
In ratio constantly rise.With the fast development of gas industry, natural gas flowmeter and its species for Trade Measures
Day by day increase.The accuracy of gas metering is for ensureing natural gas science, fair measurement, the rights and interests for safeguarding production-supply-marketing tripartite etc.
Aspect has great importance.To improve the degree of accuracy of gas metering, main industrialized country builds up in succession in the world
Gas discharge calibrating installation with high accuracy level, and establish corresponding gas discharge magnitude tracing system or biography
Delivery system.
But controlled manually using backbone bypass and flow regulating valve group more than traditional tune stream mode, regulation process is longer, and
The uncontrollable flow by backbone natural gas, the flow of backbone may proceed to fluctuation after the completion of regulation, cause calibrating day
Right atmospheric pressure, the fluctuation of flow, influence the accuracy of meter proof result.
It is automatic to adjust stream increasingly to receive everybody concern with continuing to develop for automatic control technology, how by adjusting stream automatically
Mode carry out the tune stream of fast and stable turn into it is many calibrating station research focuses.
Utility model content
In order to solve above-mentioned technological deficiency, the utility model develop it is simple in construction, on the premise of pressure is constant, to reach
It is automatic to adjust a kind of automatic tune streaming system for natural gas for flowing purpose.
A kind of automatic tune streaming system for natural gas, including：The first ball valve for being sequentially connected, first flowmeter, standard
Flowmeter, tested flowmeter, the second ball valve, and the first flowmeter are used to detect the total gas couette for entering pipeline；
Also include a control system, a pressure-regulating valve, a differential pressure meter, the first flowmeter, the normal flow
Signal input part of the signal output part of meter with the control system is electrically connected, for detect flow through the first flowmeter,
The gas flow of the proving flowmeter；
Described pressure-regulating valve one end is connected with the inlet end of first ball valve, the row of the other end and second ball valve
Gas end is connected；Two ends of the test lead of the differential pressure meter respectively with the pressure-regulating valve are connected, and the differential pressure meter with
The control system electrical connection, the regulation for pressure.
A kind of automatic tune streaming system for natural gas, its advantage is：
1st, by the control of differential pressure out of the station to ensure the stabilization of trunk linear flow rate in verification process, then ensure adjust stream and
The stabilization of calibrating atmospheric pressure in verification process, by the way of flow bypass valve and flow control valve jointly control, can be achieved
Flow automatically adjusts on the premise of the total flow holding for entering calibrating technological process is constant；
2nd, by tune streaming system of the present utility model, on the premise of pressure stability is constant, provide stable for calibration operation
Source of the gas regulating working conditions, and in 10min pressure oscillation be less than 0.2%, flowed fluctuation be less than 0.5%, verification result can be improved
0.05% degree of accuracy；Governing speed is fast, and operating efficiency height can bring up to 1 hour by the calibrating time of original 2-3 hours
Within；The influence to Trunk-line pressure is reduced simultaneously, improves production security.
Brief description of the drawings
Fig. 1 is the utility model flow chart；
Wherein：
1st, the first ball valve, 2, first flowmeter, 3, proving flowmeter, 4, tested flowmeter, the 5, second ball valve, 6, control system
System, 7, pressure-regulating valve, 8, differential pressure meter, 9, flow bypass valve, 10, flow control valve, the 11, the 3rd ball valve.
Embodiment
A kind of automatic tune streaming system for natural gas, including：The first ball valve 1, first flowmeter 2, the mark being sequentially connected
Quasi- flowmeter 3, tested flowmeter 4, the second ball valve 5, and the first flowmeter 2 are used to detect the total gas stream for entering pipeline
Amount；
Also include a control system 6, a pressure-regulating valve 7, a differential pressure meter 8, the first flowmeter 2, the standard
Signal input part of the signal output part of flowmeter 3 with the control system 6 is electrically connected, and is flowed through for detection described first-class
The gas flow of gauge 2, the proving flowmeter 3；
Described one end of pressure-regulating valve 7 is connected with the inlet end of first ball valve 1, the other end and second ball valve 5
Exhaust end connection；Two ends of the test lead of the differential pressure meter 8 respectively with the pressure-regulating valve 7 are connected, and the differential pressure
Instrument 8 is electrically connected with the control system 6, the regulation for pressure.
Preferably, adjust streaming system also include a flow by-passing valve 9, a flow control valve 10, the flow bypass valve 9 it is defeated
Enter end to be connected with the output end of the first flowmeter 2, the output end of the flow bypass valve 9 and the flow control valve 10
Output end is connected, and the signal output part of the control system 6 is electrically connected with the control end of the flow bypass valve 9；
The flow control valve 10 is arranged between the tested flowmeter 4 and second ball valve 5, and the control system
The signal output part of system 6 is electrically connected with the control end of the flow control valve 10, passes through the flow bypass valve 9, the flow
The flow of collective effect control system 6 of regulating valve 10.
Further, one the 3rd coupled ball valve 11 of two ends is provided with the pressure-regulating valve 7, for control pipe
The keying of gas in road.
Above, first ball valve 1, the first flowmeter 2, the proving flowmeter 3, the tested flowmeter 4,
The flow control valve 10, the flow bypass valve 9, second ball valve 5 constitute a process flow routes.
Above, the control system 6 (examines and determine control system for the control system 6 commonly used during detection of natural gas
System).
What the utility model was realized in：
1st, first ball valve 1, second ball valve 5, the pressure-regulating valve 7 are opened, now the first flowmeter 2
In opening, the ball valve 11 is closed, first ball valve 1, second ball valve are set by the control system 6
Differential pressure value (differential pressure value that inlet end and outlet side are set) between 5；
The 2nd, flow bypass valve 9 is set by control system 6, the flow value of regulation, now, the first flowmeter is set
2 gas flow signals detected are transmitted to the control system 6, and the flow set with the control system 6 is compared,
When not meeting setting value, the control system 6 is transmitted to the flow bypass valve 9 and instructed, to adjust the flow bypass valve 9
Valve opening to setting flow point, and the flow is more than the flows of all calibratings in this tunes streaming system, to set described the
The flow of flow meters 2；
3rd, the proving flowmeter 3, the tested flowmeter 4, the flow control valve 10, now, the standard are turned on
The gas flow signals that flowmeter 3 is detected are transmitted to the control system 6, and the flow set with the control system 6 enters
Row is compared, when not meeting setting value, and the control system 6 refers to the flow bypass valve 9, the transmission of the flow control valve 10
Order, to adjust the flow bypass valve 9 with the valve opening of the flow control valve 10 to setting flow point, to set the mark
The flow of quasi- flowmeter 3；During the regulation, the regulation in step 2 is being carried out all the time, it is ensured that enter first flowmeter 2
Flow constant, is then realized on the premise of pressure is constant, examines and determine gas flow.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (4)
1. a kind of automatic tune streaming system for natural gas, including：The first ball valve (1) for being sequentially connected, first flowmeter (2),
Proving flowmeter (3), tested flowmeter (4), the second ball valve (5), and the first flowmeter (2), which are used to detect, enters pipeline
Total gas couette；
It is characterized in that：Also include a control system (6), a pressure-regulating valve (7), a differential pressure meter (8), the first flow
Count the signal input part of (2), the signal output part of the proving flowmeter (3) with the control system (6) to electrically connect, be used for
Detection flows through the first flowmeter (2), the gas flow of the proving flowmeter (3)；
Described pressure-regulating valve (7) one end is connected with the inlet end of first ball valve (1), the other end and second ball valve
(5) exhaust end connection；Two ends of the test lead of the differential pressure meter (8) respectively with the pressure-regulating valve (7) are connected, and institute
State differential pressure meter (8) to electrically connect with the control system (6), the regulation for pressure.
2. a kind of automatic tune streaming system for natural gas according to claim 1, it is characterised in that：Streaming system is adjusted also to include
One flow control valve (10), the flow control valve (10) be arranged at the tested flowmeter (4) and second ball valve (5) it
Between, and the signal output part of the control system (6) electrically connects with the control end of the flow control valve (10).
3. a kind of automatic tune streaming system for natural gas according to claim 2, it is characterised in that：Streaming system is adjusted also to include
One flow by-passing valve (9), the input of the flow bypass valve (9) is connected with the output end of the first flowmeter (2), described
The output end of flow bypass valve (9) is connected with the output end of the flow control valve (10), and the signal of the control system (6)
Output end is electrically connected with the signal input part of the flow bypass valve (9).
4. a kind of automatic tune streaming system for natural gas according to claim 1, it is characterised in that：The pressure-regulating valve
(7) one the 3rd coupled ball valve (11) of two ends, the keying for gas in control pipeline are provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090462.6U CN206440359U (en) | 2017-01-24 | 2017-01-24 | A kind of automatic tune streaming system for natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090462.6U CN206440359U (en) | 2017-01-24 | 2017-01-24 | A kind of automatic tune streaming system for natural gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206440359U true CN206440359U (en) | 2017-08-25 |
Family
ID=59635523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720090462.6U Active CN206440359U (en) | 2017-01-24 | 2017-01-24 | A kind of automatic tune streaming system for natural gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206440359U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709837A (en) * | 2018-04-04 | 2018-10-26 | 中国石油化工股份有限公司 | Measure the method for simulating the stream grain density of the tune under true reservoir condition |
| CN114001803A (en) * | 2021-09-09 | 2022-02-01 | 浙江浙能天然气运行有限公司 | Bypass type natural gas flow automatic verification control system and control method thereof |
-
2017
- 2017-01-24 CN CN201720090462.6U patent/CN206440359U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709837A (en) * | 2018-04-04 | 2018-10-26 | 中国石油化工股份有限公司 | Measure the method for simulating the stream grain density of the tune under true reservoir condition |
| CN114001803A (en) * | 2021-09-09 | 2022-02-01 | 浙江浙能天然气运行有限公司 | Bypass type natural gas flow automatic verification control system and control method thereof |
| CN114001803B (en) * | 2021-09-09 | 2024-02-27 | 国家管网集团浙江省天然气管网有限公司 | Bypass type natural gas flow automatic verification control system and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103399127B (en) | A kind of gas analyzer calibration measurements device and calibration measuring method thereof | |
| CN204085645U (en) | With the gas flow standard device of self calibration structure | |
| CN206020318U (en) | A kind of gas dew point analytical equipment | |
| CN206440359U (en) | A kind of automatic tune streaming system for natural gas | |
| CN108225443A (en) | Gas discharge detects circuit device | |
| CN205937308U (en) | Servovalve nozzle test system | |
| CN102346105A (en) | Exhaust gas analyzing system | |
| CN103837214A (en) | Combined container type gas flow detection device by pVTt method | |
| CN203837782U (en) | Diaphragm gas meter metering performance isothermal calibrating apparatus under conditions of limiting temperature | |
| CN104729890A (en) | PM2.5 (Particulate Matter 2.5) source analyzing and sampling device based on flow feedback control | |
| CN104729891A (en) | PM2.5 (Particulate Matter 2.5) source analyzing and sampling device based on carbon dioxide concentration control | |
| CN104075780B (en) | The assay calibration connection method of flow instrument | |
| CN103308103B (en) | Low-pressure gas flow dynamics measuring method and system thereof under a kind of wide temperature state | |
| CN110044678A (en) | Flue gas monitoring system Quality Control device and distribution dilution process | |
| CN104034377A (en) | Air compressor flow measurement device and calibration system and method thereof | |
| CN210221638U (en) | Quality control device for flue gas monitoring system | |
| CN105890715A (en) | Verifying device of small-flow gas flow meter | |
| CN103791960B (en) | A kind of method of reduction furnace flow accurate measurement | |
| CN215338512U (en) | Calibrating device for orifice flowmeter | |
| CN218917383U (en) | Chromatographic pretreatment gas circuit | |
| CN212254275U (en) | Gas flow standard device with high-low pressure double calibration sections | |
| CN210321868U (en) | Crude oil flow on-line detection system | |
| CN207908020U (en) | A kind of natural gas big flow reality stream calibrating secondary standard device | |
| CN209213479U (en) | A kind of natural gas line conveying gas leak detection device | |
| CN207248305U (en) | A kind of flowmeter comparison device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200821 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: China Petroleum & Chemical Corp. Address before: 430070 No. 126 Optics Valley Avenue, East Lake New Technology Development Zone, Wuhan, Hubei Patentee before: METERING RESEARCH CENTER, NATURAL GAS BRANCH OF CHINA PETROLEUM AND CHEMICAL Corp. |