CN206268798U - A kind of gas pipeline measures regulator - Google Patents
A kind of gas pipeline measures regulator Download PDFInfo
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- CN206268798U CN206268798U CN201621372948.0U CN201621372948U CN206268798U CN 206268798 U CN206268798 U CN 206268798U CN 201621372948 U CN201621372948 U CN 201621372948U CN 206268798 U CN206268798 U CN 206268798U
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Abstract
The utility model is related to a kind of gas pipeline metering regulator, including：First flange, second flange, the first process pipelines, the second process pipelines, the first header, the second header, pipe cap, multichannel pressure flow control device and instrument junction box, first process pipelines one end is connected with first flange, the first process pipelines other end is connected with the first header, second process pipelines one end is connected with second flange, the second process pipelines other end is connected with the second header, the two ends of the first header and the second header are all connected with pipe cap, and multichannel pressure flow control device is provided between the first process pipelines and the second process pipelines.The utility model additionally provides a kind of gas pipeline metering pressure regulation method.The beneficial effects of the utility model are：Be capable of achieving gas pipeline yard pressure, the real-time detection of flow and control, with the degree of accuracy it is high, stable, be easy to SCADA system remote detection and control, beneficial to Maintenance and Repair in the future.
Description
Technical field
The utility model is related to a kind of gas pipeline metering regulator.
Background technology
In gas pipeline yard, for the normal operation for meeting pipeline need to be examined to the flow of pipeline gas and pressure
Survey and control.The main process for using had two kinds in the past：Method one, using being respectively provided with metering system and voltage-regulating system,
Two systems are relatively independent, wherein, metering system mainly include before and after converge tracheae, upstream and downstream straight length, upstream and downstream block valve and
Flowmeter, voltage-regulating system converges tracheae, upstream and downstream block valve and regulating valve before and after mainly including, by metering system and voltage-regulating system
Data are uploaded to station control system, and the detection and control of flow and pressure are realized by station control system；Method two, by calculating pressure regulation system
The differential pressure of system calculates gas flow.
But all there is respective shortcoming in both approaches.For method one, flowmeter and regulating valve cannot be realized one by one
Correspondence, the flow control response time is slow, system fading margin precision is low.For method two, continuous data precision is low, it is impossible to realize flow
Accurate measurement and control；Flowmeter is without remote maintenance and remote fault diagnosis function；To the structure and degree of regulation of regulating valve
No requirement (NR), causes that degree of regulation is low, noise is big；Without insulation and heat tracing, winter operation is susceptible to ice and blocks up rectifier before flowmeter；
Increasing potential safety hazard and maintenance workload header, valve more；Occupation area of equipment is big, investment is high.
Utility model content
Weak point present in regarding to the issue above, the utility model provides a kind of gas pipeline metering regulator,
Improve the continuity of detection and control, accuracy and stability, facilitate operation maintenance.
To achieve the above object, the utility model provides a kind of gas pipeline metering regulator, including：First flange,
Second flange, the first process pipelines, the second process pipelines, the first header, the second header, pipe cap, multichannel pressure flow hybrid control dress
Put and instrument junction box；
Described first process pipelines one end is connected with first flange, and the first process pipelines other end converges with described first
Pipe is connected, and described second process pipelines one end is connected with the second flange, the second process pipelines other end and described the
Two headers are connected, and the two ends of first header and second header are all connected with the pipe cap, first process pipelines and
Multichannel pressure flow control device is provided between second process pipelines；
First blowdown pipeline is set on first header, and described first blowdown pipeline one end connects with first header
Connect, the first blowdown pipeline other end is connected by the 3rd flange with yard drainage, edge on first blowdown pipeline
Blowdown flow direction is sequentially connected in series the 5th technique ball valve and the first blowoff valve；
Second blowdown pipeline is set on second header, and described second blowdown pipeline one end connects with second header
Connect, the second blowdown pipeline other end is connected by the 5th flange with yard drainage, edge on second blowdown pipeline
Blowdown flow direction is sequentially connected in series the 6th technique ball valve and the second blowoff valve；
Wherein, a metering tap line, the two ends of the metering tap line are included per road pressure flow control device
It is connected with first header and second header respectively, the first technological ball has been sequentially connected in series in the metering tap line
Valve, rectifier, on the spot flowmeter, thermometer, integrative temperature transmitter, first pressure gauge, denoising device, Flow-rate adjustment on the spot
Valve, the second intelligent pressure transmitter, second pressure gauge and the second technique ball valve on the spot；
The first technique ball valve is provided with by-pass line, and described by-pass line one end is connected to first header and institute
State in the metering tap line between the first technique ball valve, the by-pass line other end be connected to the first technique ball valve and
In metering tap line between the rectifier, along natural gas flow to being sequentially connected in series the 3rd technique ball valve on the by-pass line
With the first stop valve；
The flowmeter is provided with the first intelligent pressure transmitter；
Described second is provided with blow-down pipe, described blow-down pipe one end on the spot between pressure gauge and the second technique ball valve
It is connected in the described second metering tap line on the spot between pressure gauge and the second technique ball valve, the blow-down pipe is another
One end is connected by the 4th flange with yard blowdown system, along natural gas flow to being sequentially connected in series the 4th technique on the blow-down pipe
Ball valve and the second stop valve；
The flowmeter is connected by first instrument cable with the instrument junction box, first intelligent pressure transmitter
It is connected with the instrument junction box by second instrument cable, the integrative temperature transmitter passes through the 3rd instrument cable and institute
Instrument junction box connection is stated, the flow control valve and second intelligent pressure transmitter pass through the 4th instrument cable and institute
Instrument junction box connection is stated, the second technique ball valve is connected by the 5th instrument cable with the instrument junction box, the instrument
Table junction box be connected with SCADA system.
Further improved as the utility model, the flowmeter multi-channel gas ultrasonic flowmeter.
Further improved as the utility model, the flow control valve is axial-flow type or labyrinth type multilevel pressure reduction structure
Valve.
Further improved as the utility model, the first technique ball valve and the second technique ball valve are all-pass
Having a double meaning pair of welded formula lets out valve.
Further improved as the utility model, the rectifier, first blowdown pipeline, second blow-off pipe
Electric tracing thermal insulation device is respectively provided with line.
Further improved as the utility model, the 5th technique ball valve, first blowoff valve, the 6th work
Electric tracing thermal insulation device is respectively provided with skill ball valve and second blowoff valve.
The beneficial effects of the utility model are：It is capable of achieving gas pipeline yard pressure, the real-time detection of flow and control, tool
Have that the degree of accuracy is high, stable, be easy to SCADA system remote detection and control, beneficial to Maintenance and Repair in the future.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of gas pipeline of the utility model measures pressure regulation.
In figure：
1st, first flange；2nd, the first header；3rd, pipe cap；4th, tap line is measured；5th, the first technique ball valve；6th, the 3rd technique
Ball valve；7th, the first stop valve；8th, flowmeter；9th, denoising device；10th, flow control valve；11st, the second technique ball valve；12nd, the first intelligence
Can pressure transmitter；13rd, thermometer on the spot；14th, integrative temperature transmitter；15th, the first pressure gauge on the spot；16th, the second intelligence
Pressure transmitter；17th, the second pressure gauge on the spot；18th, the second stop valve；19th, the 4th technique ball valve；20th, second flange；21st,
Five technique ball valves；22nd, the first blowoff valve；23rd, the 6th technique ball valve；24th, the second blowoff valve；25th, first instrument cable；26th,
Two instrument cables；27th, the 3rd instrument cable；28th, the 4th instrument cable；29th, the 5th instrument cable；30th, instrument junction box；31、
3rd flange；32nd, the 4th flange；33rd, rectifier；34th, by-pass line；35th, blow-down pipe；36th, the first blowdown pipeline；37th,
Two blowdown pipelines；38th, the 5th flange；39th, the first process pipelines；40th, the second process pipelines；41st, the second header.
Specific embodiment
As shown in figure 1, a kind of gas pipeline metering regulator described in the utility model embodiment, including：First method
Blue 1, second flange 20, the first process pipelines 39, the second process pipelines 40, the first header 2, the second header 41, pipe cap 3, multichannel
Pressure flow control device and instrument junction box 30.
The one end of first process pipelines 39 is connected with first flange 1, and the other end of the first process pipelines 39 connects with the first header 2
Connect, the one end of the second process pipelines 40 is connected with second flange 20, the other end of the second process pipelines 40 is connected with the second header 41, the
The two ends of one header 2 and the second header 41 are all connected with pipe cap 3, and four are provided between the first process pipelines 39 and the second process pipelines 40
Road pressure flow control device.
First blowdown pipeline 36 is set on first header 2, and the one end of the first blowdown pipeline 36 is connected with the first header 2, first
The other end of blowdown pipeline 36 is connected by the 3rd flange 31 with yard drainage, on the first blowdown pipeline 36 along blowdown flow direction according to
Secondary concatenation the 5th technique ball valve 21 and the first blowoff valve 22.
Second blowdown pipeline 37 is set on second header 41, and the one end of the second blowdown pipeline 37 is connected with the second header 41, the
The other end of two blowdown pipeline 37 is connected by the 5th flange 38 with yard drainage, is flowed to along blowdown on the second blowdown pipeline 37
It is sequentially connected in series the 6th technique ball valve 23 and the second blowoff valve 24.
Wherein, a metering tap line 4 is included per road pressure flow control device, the two ends point of tap line 4 are measured
It is not connected with the first header 2 and the second header 41, the first technique ball valve 5, rectifier has been sequentially connected in series in metering tap line 4
33rd, flowmeter 8, on the spot thermometer 13, integrative temperature transmitter 14, first on the spot pressure gauge 15, denoising device 9, flow adjust
Save valve 10, the second intelligent pressure transmitter 16, second the technique ball valve 11 of pressure gauge 17 and second on the spot.
First technique ball valve 5 is provided with by-pass line 34, and the one end of by-pass line 34 is connected to the first header 2 and the first technique
In metering tap line 4 between ball valve 5, the other end of by-pass line 34 is connected between the first technique ball valve 5 and rectifier 33
Metering tap line 4 on, along natural gas flow to being sequentially connected in series the 3rd technique ball valve 6 and the first stop valve 7 on by-pass line 34.
Flowmeter 8 is provided with the first intelligent pressure transmitter 12.
Second is provided with blow-down pipe 35, the connection of the one end of blow-down pipe 35 between the technique ball valve 11 of pressure gauge 17 and second on the spot
In metering tap line 4 between second on the spot the technique ball valve 11 of pressure gauge 17 and second, the other end of blow-down pipe 35 passes through
4th flange 32 is connected with yard blowdown system, along natural gas flow to being sequentially connected in series the He of the 4th technique ball valve 19 on blow-down pipe 35
Second stop valve 18.
Flowmeter 8 is connected by first instrument cable 25 with instrument junction box 30, and the first intelligent pressure transmitter 12 passes through
Second instrument cable 26 is connected with instrument junction box 30, and integrative temperature transmitter 14 is connect by the 3rd instrument cable 27 with instrument
Line case 30 is connected, and the intelligent pressure transmitter 16 of flow control valve 10 and second is by the 4th instrument cable 28 and instrument junction box
30 connections, the second technique ball valve 11 is connected by the 5th instrument cable 29 with instrument junction box 30, instrument junction box 30 and SCADA
System is connected.
Wherein, the multi-channel gas ultrasonic flowmeter of flowmeter 8.Flow control valve 10 is that axial-flow type or labyrinth type multilevel subtract
Laminated structure valve.First technique ball valve 5 and the second technique ball valve 11 are having a double meaning pair of the welded formula of all-pass and let out valve.
In area of the environment temperature less than 0 DEG C, it is all provided with rectifier 33, the first blowdown pipeline 36, the second blowdown pipeline 37
Put electric tracing thermal insulation device.On 5th technique ball valve 21, the first blowoff valve 22, the 6th technique ball valve 23 and the second blowoff valve 24
Electric tracing thermal insulation device is set.
The device sledge fills outdoor design, and its degree of protection is IP65, and explosive-proof grade is EXdIIBT4, fully meets outdoor ring
Border and live requirement of explosion proof；Connected using standard flange between the device and process pipe, and suitable for the operating mode of high pressure；
Metering system and voltage-regulating system are integrated into set of system by the device, and flowmeter and regulating valve are corresponded, are connected in series, come from
Can directly input corresponding regulating valve gauge outfit in the continuous data of flow computer carries out accurately flow control, substantially reduces
The governing response time, improve degree of regulation；Carried out for specific operation by being installed between flow control valve and flowmeter
The denoising device of design, solves flowmeter and when flow control valve is directly connected, because regulating valve influence of noise causes flow
Meter cannot normal work problem, by denoising device, the noise of flow control valve generation can be effectively absorbed, it is ensured that gas
Ultrasonic flowmeter normal work；Ensure the overall precision of whole system using high precision test and control instrument, using high accuracy
Gas ultrasonic flowmeter as flow instrumentation, Ultrasonic Wave Flowmeter have high accuracy, adapt to range of flow it is big, without pressure
Power loss, save energy, movement-less part, the advantages of maintenance is small, floor space is small；Subtracted using axial-flow type or labyrinth type multilevel
Pressure regulating valve, has the advantages that degree of regulation is high, noise is small, maintenance cost is low, suitable for high pressure, harsh operating mode.
It is used for the compensation of gas flow measurement by setting high-precision pressure transmitter and temperature transmitter in device
Calculate and Stress control, improve the Stability and veracity of pressure flow detection control；In device equipped with related emptying,
Blowdown pipeline and valve, the pipeline and equipment in device can be carried out blowdown, shut-off and emission treatment, be easy to daily maintenance and
Maintenance；Blow-off line and rectifier in device are provided with constant temperature electrical heating and Insulation, it is ensured that device outdoor layout and
Winter can normal work.
The device realizes the real-time continuous of metering pressure regulation on the premise of measuring accuracy and Flow-rate adjustment precision is ensured
Property, it is easy to the detection and control of Remote SCADA system, beneficial to maintenance in the future, maintenance, and outdoor sledge installing can be realized
Put, save floor space.Pipe-line construction is set to more they tend to standardization, modularization, hommization, reduction working procedure, convenient operation
Safeguard, reduce equipment investment and operating expenses.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (6)
1. a kind of gas pipeline measures regulator, it is characterised in that including：First flange (1), second flange (20), first
Process pipelines (39), the second process pipelines (40), the first header (2), the second header (41), pipe cap (3), multichannel pressure flow control
Device processed and instrument junction box (30)；
Described first process pipelines (39) one end is connected with first flange (1), the first process pipelines (39) other end and institute
The first header (2) connection is stated, described second process pipelines (40) one end is connected with the second flange (20), second technique
Pipeline (40) other end is connected with second header (41), the two ends of first header (2) and second header (41)
The pipe cap (3) is all connected with, multichannel pressure is provided between first process pipelines (39) and second process pipelines (40)
Volume control device；
First blowdown pipeline (36), described first blowdown pipeline (36) one end and described first are set on first header (2)
Header (2) is connected, and the first blowdown pipeline (36) other end is connected by the 3rd flange (31) with yard drainage, described
On first blowdown pipeline (36) the 5th technique ball valve (21) and the first blowoff valve (22) are sequentially connected in series along blowdown flow direction；
Second blowdown pipeline (37), described second blowdown pipeline (37) one end and described second are set on second header (41)
Header (41) is connected, and the second blowdown pipeline (37) other end is connected by the 5th flange (38) with yard drainage, institute
State and be sequentially connected in series the 6th technique ball valve (23) and the second blowoff valve (24) along blowdown flow direction on the second blowdown pipeline (37)；
Wherein, metering tap line (4), the two of metering tap line (4) are included per road pressure flow control device
End is connected with first header (2) and second header (41) respectively, has been sequentially connected in series on metering tap line (4)
First technique ball valve (5), rectifier (33), on the spot flowmeter (8), thermometer (13), integrative temperature transmitter (14), first
Pressure gauge (15), denoising device (9), flow control valve (10), the second intelligent pressure transmitter (16), second are with regard to ground pressure on the spot
Table (17) and the second technique ball valve (11)；
The first technique ball valve (5) is provided with by-pass line (34), and described by-pass line (34) one end is connected to described first
In metering tap line (4) between header (2) and the first technique ball valve (5), by-pass line (34) other end connects
It is connected in the metering tap line (4) between the first technique ball valve (5) and the rectifier (33), the by-pass line
(34) along natural gas flow to being sequentially connected in series the 3rd technique ball valve (6) and the first stop valve (7) on；
The flowmeter (8) is provided with the first intelligent pressure transmitter (12)；
Described second is provided with blow-down pipe (35), the emptying between pressure gauge (17) and the second technique ball valve (11) on the spot
Pipeline (35) one end is connected to the described second metering branch road on the spot between pressure gauge (17) and the second technique ball valve (11)
On pipeline (4), blow-down pipe (35) other end is connected by the 4th flange (32) with yard blowdown system, the blow-down pipe
Along natural gas flow to being sequentially connected in series the 4th technique ball valve (19) and the second stop valve (18) on line (35)；
The flowmeter (8) is connected by first instrument cable (25) with the instrument junction box (30), the first intelligence pressure
Power transmitter (12) is connected by second instrument cable (26) with the instrument junction box (30), the integrative temperature transmitter
(14) it is connected with the instrument junction box (30) by the 3rd instrument cable (27), the flow control valve (10) and described second
Intelligent pressure transmitter (16) is connected by the 4th instrument cable (28) with the instrument junction box (30), second technique
Ball valve (11) is connected by the 5th instrument cable (29) with the instrument junction box (30), the instrument junction box (30) with
SCADA system is connected.
2. gas pipeline according to claim 1 measures regulator, it is characterised in that flowmeter (8) multichannel
Ultrasonic Wave Flowmeter.
3. gas pipeline according to claim 1 metering regulator, it is characterised in that the flow control valve (10) is
Axial-flow type or labyrinth type multilevel pressure reduction structure valve.
4. gas pipeline according to claim 1 measures regulator, it is characterised in that the first technique ball valve (5)
Having a double meaning pair of the welded formula of all-pass is with the second technique ball valve (11) let out valve.
5. gas pipeline according to claim 1 metering regulator, it is characterised in that the rectifier (33), described
Electric tracing thermal insulation device is respectively provided with first blowdown pipeline (36), second blowdown pipeline (37).
6. gas pipeline according to claim 5 measures regulator, it is characterised in that the 5th technique ball valve
(21), it is respectively provided with electric companion on first blowoff valve (22), the 6th technique ball valve (23) and second blowoff valve (24)
Hot attemperator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621372948.0U CN206268798U (en) | 2016-12-14 | 2016-12-14 | A kind of gas pipeline measures regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621372948.0U CN206268798U (en) | 2016-12-14 | 2016-12-14 | A kind of gas pipeline measures regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206268798U true CN206268798U (en) | 2017-06-20 |
Family
ID=59045521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621372948.0U Active CN206268798U (en) | 2016-12-14 | 2016-12-14 | A kind of gas pipeline measures regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206268798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382466A (en) * | 2016-12-14 | 2017-02-08 | 中国石油天然气集团公司 | Gas conveying pipeline metering and pressure adjusting device and method |
-
2016
- 2016-12-14 CN CN201621372948.0U patent/CN206268798U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382466A (en) * | 2016-12-14 | 2017-02-08 | 中国石油天然气集团公司 | Gas conveying pipeline metering and pressure adjusting device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: China Petroleum Pipeline Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee before: China Petroleum Pipeline Engineering Co.,Ltd. Patentee before: China National Petroleum Corp. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190906 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: China Petroleum Pipeline Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Co-patentee after: CHINA PETROLEUM PIPELINE ENGINEERING Corp. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee before: China Petroleum Pipeline Engineering Co.,Ltd. Patentee before: CHINA NATIONAL PETROLEUM Corp. |