CN210229386U - Automatic blockage judging device for gas pipeline filtering separator - Google Patents
Automatic blockage judging device for gas pipeline filtering separator Download PDFInfo
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- CN210229386U CN210229386U CN201920812741.8U CN201920812741U CN210229386U CN 210229386 U CN210229386 U CN 210229386U CN 201920812741 U CN201920812741 U CN 201920812741U CN 210229386 U CN210229386 U CN 210229386U
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Abstract
The utility model discloses an automatic stifled device of judging of gas transmission pipeline filtering separator, include: the first collecting pipe, the second collecting pipe and two branch main pipes between the first collecting pipe and the second collecting pipe; a first valve, a first pressure gauge, a first cyclone separator, a first filtering separator, a second pressure gauge, a first flow transmitter and a first electric valve are sequentially arranged on one branch main pipe, and the first differential pressure transmitter is arranged on the first filtering separator; the other branch main pipe is sequentially provided with a fourth valve, a third pressure gauge, a second cyclone separator, a second filtering separator, a fourth pressure gauge, a second flow transmitter and a second electric valve, and the second differential pressure transmitter is arranged on the second cyclone separator; the differential pressure transmitter, the flow transmitter and the electric valve are all connected with the control system. The utility model has the advantages that: whether the gas transmission pipeline filter separator is blocked or not can be monitored in real time, the alarm speed is timely, the accuracy is high, the operation efficiency of the gas transmission pipeline is improved, and the energy loss is reduced.
Description
Technical Field
The utility model relates to a pipe-line system technical field particularly, relates to an automatic stifled device of judging of gas transmission pipeline filtering separator.
Background
In the operation process of the pipeline, due to the fact that the gas contains impurities and the like, one or more filtering separators are blocked, when the gas passes through the filter, the pressure loss is large, the energy consumption is increased abnormally, the enterprise benefit is reduced, and adverse effects are brought to enterprises. If the filter separator is not timely mastered whether to block or not and other related information, the filter separator is timely processed, the blockage is continuously aggravated, the energy consumption is continuously increased, and finally the filter element is damaged.
Whether the gas pipeline filtering separator is blocked or not can not be automatically judged in the past, and the problem of blocking of the filtering separator can not be found in time, so that relevant problems can only be found when the filtering separator is overhauled in a fixed period.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, an object of the utility model is to provide an automatic stifled device of judging of gas transmission pipeline filter separator realizes that filter separator blocks up monitoring alarm, can real-time supervision gas transmission pipeline filter separator whether block up, and warning speed is timely, the rate of accuracy is high, has improved gas transmission pipeline's operating efficiency, has reduced the energy loss.
The utility model provides an automatic stifled device of judging of gas transmission pipeline filtering separator, include: the device comprises a first header and a second header, wherein two branch main pipes are connected between the first header and the second header;
a first valve, a first pressure gauge, a first cyclone separator, a first filtering separator, a second pressure gauge, a first flow transmitter and a first electric valve are sequentially arranged on one branch main pipe from upstream to downstream, and the first differential pressure transmitter is arranged on the first filtering separator;
the other branch main pipe is sequentially provided with a fourth valve, a third pressure gauge, a second cyclone separator, a second filtering separator, a fourth pressure gauge, a second flow transmitter and a second electric valve from upstream to downstream, and the second differential pressure transmitter is arranged on the second cyclone separator;
the first differential pressure transmitter, the first flow transmitter, the first electrically operated valve, the second differential pressure transmitter, the second flow transmitter and the second electrically operated valve are all connected with a control system.
As a further improvement of the present invention, the first differential pressure transmitter, the first flow transmitter, the first electric valve, the second differential pressure transmitter, the second flow transmitter and the second electric valve are all connected to a junction box, and the junction box is connected to the control system.
As a further improvement of the present invention, the first differential pressure transmitter is connected to the junction box through a first cable; the first flow transmitter is connected into the junction box through a second cable; the first electric valve is connected into the junction box through a third cable; the second differential pressure transmitter is connected into the junction box through a fourth cable; the second flow transmitter is connected into the junction box through a fifth cable; the second electric valve is connected into the junction box through a sixth cable; and the junction box is accessed into the control system through a seventh cable.
As a further improvement of the present invention, the first pressure gauge is mounted on the branch main pipe through a first gauge valve and a first gauge root valve; and the second pressure gauge is arranged on the branch main pipe through a second instrument valve and a second instrument root valve.
As a further improvement of the present invention, the third pressure gauge is mounted on the branch main pipe through a third gauge valve and a third gauge root valve; and the fourth pressure gauge is arranged on the branch main pipe through a fourth instrument valve and a fourth instrument root valve.
As a further improvement, the branch pipes on both sides of the upstream and downstream of the first valve are connected with a first bypass pipeline.
As a further improvement of the present invention, the first bypass line is provided with a second valve and a third valve in sequence from the upstream to the downstream direction.
As a further improvement, the branch pipes on the upstream and downstream sides of the fourth valve are connected with the second bypass pipeline.
As a further improvement of the present invention, the second bypass line is provided with a fifth valve and a sixth valve in sequence from the upstream to the downstream direction.
As a further improvement of the present invention, the first valve, the first electric valve, the fourth valve and the second electric valve all have a blind plate with 8-shaped.
The utility model has the advantages that:
the problem that the existing gas transmission pipeline cannot be used for filtering separator blockage monitoring alarm is solved, the flow transmitter is applied to the downstream of the filtering separator, the filtering separator blockage monitoring alarm is achieved, whether the filtering separator of the gas transmission pipeline is blocked or not can be monitored in real time, the alarm speed is timely, the accuracy rate is high, the operation efficiency of the gas transmission pipeline is improved, and the energy loss is reduced.
Drawings
Fig. 1 is a schematic structural view of an automatic blockage judging device of a gas pipeline filtering separator according to an embodiment of the present invention.
In the figure, the position of the upper end of the main shaft,
1. a first header; 2. a branch main pipe; 3. a first valve; 4. a first bypass conduit; 5. a second valve; 6. a third valve; 7. a first meter root valve; 8. a first meter valve; 9. a first pressure gauge; 10. a first cyclone separator; 11. a first filtering separator; 12. a first differential pressure transmitter; 13. a second meter root valve; 14. a second meter valve; 15. a second pressure gauge; 16. a first flow transmitter; 17. a first electrically operated valve; 18. a second header; 19. a fourth valve; 20. a second bypass conduit; 21. a fifth valve; 22. a sixth valve; 23. a third instrument root valve; 24. a third meter valve; 25. a third pressure gauge; 26. a second cyclone separator; 27. a second filtering separator; 28. a second differential pressure transmitter; 29. a fourth meter root valve; 30. a fourth meter valve; 31. a fourth pressure gauge; 32. a second flow transmitter; 33. a second electrically operated valve; 34. a junction box; 35. a first cable; 36. a second cable; 37. a third cable; 38. a fourth cable; 39. a fifth cable; 40. a sixth cable; 41. and a seventh cable.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
As shown in fig. 1, the utility model discloses an automatic stifled device of judging of gas transmission pipeline filtering separator embodiment includes: the device comprises a first collecting pipe 1 and a second collecting pipe 18, wherein two branch main pipes 2 are connected between the first collecting pipe 1 and the second collecting pipe 18. A branch main pipe 2 is sequentially provided with a first valve 3, a first pressure gauge 9, a first cyclone separator 10, a first filtering separator 11, a second pressure gauge 15, a first flow transmitter 16 and a first electric valve 17 from upstream to downstream, and a first differential pressure transmitter 12 is arranged on the first filtering separator 11. The other branch main pipe 2 is sequentially provided with a fourth valve 19, a third pressure gauge 25, a second cyclone separator 26, a second filtering separator 27, a fourth pressure gauge 31, a second flow transmitter 32 and a second electric valve 33 from upstream to downstream, and a second differential pressure transmitter 28 is arranged on the second cyclone separator 26. First differential pressure transmitter 12, first flow transmitter 16, first electrically actuated valve 17, second differential pressure transmitter 28, second flow transmitter 32 and second electrically actuated valve 33 are connected to a control system.
Further, the first differential pressure transmitter 12, the first flow transmitter 16, the first electrically operated valve 17, the second differential pressure transmitter 28, the second flow transmitter 32 and the second electrically operated valve 33 are all connected to a junction box 34, and the junction box 34 is connected to a control system.
Further, first differential pressure transmitter 12 is coupled to junction box 34 via first cable 35; the first flow transmitter 16 is connected to the junction box 34 by a second cable 36; the first electrically operated valve 17 is connected to the junction box 34 by a third cable 37; second differential pressure transmitter 28 is connected to junction box 34 by a fourth cable 38; the second flow transmitter 32 is connected to the junction box 34 by a fifth cable 39; the second electric valve 33 is connected into the junction box 34 through a sixth cable 40; the junction box 34 accesses the control system through a seventh cable 41. The differential pressure signal of the first differential pressure transmitter 12, the flow rate signal of the first flow rate transmitter 16, the differential pressure signal of the second differential pressure transmitter 28, and the flow rate signal of the second flow rate transmitter 32 are sent to a control system (for example, a station control system) through a junction box 34, and the control system sends control signals to the first electric valve 17 and the second electric valve 33 through the junction box 34 to control the opening and closing states thereof.
Further, a first pressure gauge 9 is installed on the branch main pipe 2 through a first instrument valve 8 and a first instrument root valve 7, and the pressure value of the branch main pipe 2 at the upstream of the first cyclone separator 10 is monitored in real time; the second pressure gauge 15 is installed on the branch main pipe 2 through the second instrument valve 14 and the second instrument root valve 13, and monitors the pressure value of the branch main pipe 2 at the downstream of the first filtering separator 11 in real time.
Further, a third pressure gauge 25 is mounted on the branch main pipe 2 through a third meter valve 24 and a third meter root valve 23, and monitors the pressure value of the branch main pipe 2 upstream of the second cyclone separator 26 in real time; the fourth pressure gauge 31 is installed on the branch main pipe 2 through the fourth gauge valve 30 and the fourth gauge root valve 29, and monitors the pressure value of the branch main pipe 2 downstream of the second filtering separator 27 in real time.
Furthermore, a first bypass pipeline 4 is connected to the branch main pipe 2 at the upstream and downstream sides of the first valve 3. The first bypass conduit 4 is provided with a second valve 5 and a third valve 6 in order from the upstream to the downstream direction. When the first filtering separator 11 is blocked, the first electric valve 17 on the corresponding branch main pipe 2 is cut off, the first valve 3 is closed, gas transmission is stopped, the branch main pipe 2 is decompressed and exhausted through the second valve 5 and the third valve 6 on the first bypass pipeline 4, and then the first filtering separator 11 is maintained.
Furthermore, a second bypass pipeline 20 is connected to the branch main pipe 2 at the upstream and downstream sides of the fourth valve 19. The second bypass duct 20 is provided with a fifth valve 21 and a sixth valve 22 in this order from the upstream to the downstream direction. When the second filtering separator 27 is blocked, the second electric valve 33 on the corresponding branch main pipe 2 is cut off, the fourth valve 19 is closed, gas transmission is stopped, the pressure of the branch main pipe 2 is relieved and exhausted through the fifth valve 21 and the sixth valve 22 on the second bypass pipeline 20, and then the second filtering separator 27 is maintained.
Further, the second valve 5, the third valve 6, the fifth valve 21, and the sixth valve 22 are manual valves.
Furthermore, the first valve 3, the first electric valve 17, the fourth valve 19 and the second electric valve 33 are provided with 8-shaped blind plates, so that the maintenance and the replacement are convenient, and the air transmission pipeline is cut off.
The utility model discloses an automatic stifled principle of judging of stifled device of automatic judgement of gas transmission pipeline filtering separator does: when the gas pipeline normally runs, if the filtering separator on a branch main pipe 2 of the gas pipeline is blocked, at the moment, because the resistance borne by the fluid rises, the pressure loss increases, pressure difference is generated on two sides of the filtering separator, meanwhile, the gas flowing through the filtering separator of the branch main pipe 2 is less than that of the non-blocked filtering separator, the flow of the branch main pipe 2 relatively drops, when the pressure difference and the flow relatively drop value of the filtering separator of the branch main pipe 2 reach alarm values, an alarm is sent, and whether the filtering separator is blocked or not can be judged by utilizing the characteristic.
Specifically, the automatic blockage judging method for the gas transmission pipeline filter separator when the automatic blockage judging device for the gas transmission pipeline filter separator is applied comprises the following steps:
step 1, installing an automatic blockage judging device of a gas pipeline filtering separator between the upstream and the downstream of a gas pipeline.
And 2, starting the automatic blockage judging device of the gas pipeline filtering separator, and setting a differential pressure alarm value of the first differential pressure transmitter 12 and the second differential pressure transmitter 28 and a flow difference alarm value of the first flow transmitter 16 and the second flow transmitter 32 by the control system.
And 3, setting the alarm delay action time to be T seconds by the control system. Wherein T is set according to the condition of the pipeline.
And 4, controlling the automatic blockage judging device of the gas transmission pipeline filtering separator to acquire primary signals at regular time by the control system, wherein the primary signals comprise a differential pressure signal of the first differential pressure transmitter 12, a flow signal of the first flow transmitter 16, a differential pressure signal of the second differential pressure transmitter 28 and a flow signal of the second flow transmitter 32.
Step 5, when the pressure difference value fed back by the first differential pressure transmitter 12 reaches a set pressure difference alarm value, comparing the flow difference value between the flow value of the first flow transmitter 16 on the branch main pipe 2 where the first differential pressure transmitter is located and the flow value of the second flow transmitter 32 on the other branch main pipe 2, and when the flow relative drop value of the first flow transmitter 16, namely the flow difference value reaches the set flow difference alarm value, recording the time label of sampling at the moment, and starting a timing program;
when the pressure difference value fed back by the second differential pressure transmitter 28 reaches the set pressure difference alarm value, the flow difference value between the flow value of the second flow transmitter 32 on the branch main pipe 2 where the second differential pressure transmitter is located and the flow value of the first flow transmitter 16 on the other branch main pipe 2 is compared, and when the flow relative reduction value of the second flow transmitter 32, namely the flow difference value reaches the set flow difference alarm value, the sampling time label is recorded at the moment, and the timing program is started.
And 6, when the timing program reaches T seconds:
when the flow rate of the first flow rate transmitter 16 relative drop value, namely the flow rate difference value reaches the set flow rate difference alarm value, the first filtering separator 11 on the branch main pipe 2 is blocked at the moment;
when the flow rate relative drop value of the second flow rate transmitter 32, namely the flow rate difference value reaches the set flow rate difference alarm value, the second filtering separator 27 on the other branch main pipe 2 is blocked at the moment.
Step 7, when the first filtering separator 11 on the branch main pipe 2 is blocked, the control system cuts off the first electric valve 17 on the corresponding branch main pipe 2, closes the first valve 3 and transmits gas through the other branch main pipe 2; when the second filtering separator 27 on the branch main pipe 2 is blocked, the control system cuts off the second electrically operated valve 33 on the corresponding branch main pipe 2 and closes the fourth valve 19 to deliver gas through the other branch main pipe 2.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an automatic stifled device of judging of gas transmission pipeline filtering separator which characterized in that includes: the device comprises a first collecting pipe (1) and a second collecting pipe (18), wherein two branch main pipes (2) are connected between the first collecting pipe (1) and the second collecting pipe (18);
a branch main pipe (2) is sequentially provided with a first valve (3), a first pressure gauge (9), a first cyclone separator (10), a first filtering separator (11), a second pressure gauge (15), a first flow transmitter (16) and a first electric valve (17) from upstream to downstream, and a first differential pressure transmitter (12) is arranged on the first filtering separator (11);
a fourth valve (19), a third pressure gauge (25), a second cyclone separator (26), a second filtering separator (27), a fourth pressure gauge (31), a second flow transmitter (32) and a second electric valve (33) are sequentially arranged on the other branch main pipe (2) from upstream to downstream, and a second differential pressure transmitter (28) is arranged on the second cyclone separator (26);
the first differential pressure transmitter (12), the first flow transmitter (16), the first electrically operated valve (17), the second differential pressure transmitter (28), the second flow transmitter (32) and the second electrically operated valve (33) are all connected to a control system.
2. The automatic blockage judging device of the gas transmission pipeline filtering separator according to claim 1, wherein the first differential pressure transmitter (12), the first flow transmitter (16), the first electric valve (17), the second differential pressure transmitter (28), the second flow transmitter (32) and the second electric valve (33) are all connected to a junction box (34), and the junction box (34) is connected to the control system.
3. The automatic blockage judging device of the gas pipeline filtering separator as claimed in claim 2, wherein the first differential pressure transmitter (12) is connected to the junction box (34) through a first cable (35); the first flow transmitter (16) is connected to the junction box (34) through a second cable (36); the first electric valve (17) is connected into the junction box (34) through a third cable (37); the second differential pressure transmitter (28) is connected to the junction box (34) by a fourth cable (38); the second flow transmitter (32) is connected to the junction box (34) through a fifth cable (39); the second electric valve (33) is connected into the junction box (34) through a sixth cable (40); the junction box (34) is connected to the control system through a seventh cable (41).
4. The automatic blockage judging device of the gas pipeline filtering separator according to claim 1, wherein the first pressure gauge (9) is mounted on the branch main pipe (2) through a first instrument valve (8) and a first instrument root valve (7); and the second pressure gauge (15) is arranged on the branch main pipe (2) through a second instrument valve (14) and a second instrument root valve (13).
5. The automatic blockage judging device of the gas pipeline filtering separator according to claim 1, wherein the third pressure gauge (25) is mounted on the branch main pipe (2) through a third instrument valve (24) and a third instrument root valve (23); and the fourth pressure gauge (31) is arranged on the branch main pipe (2) through a fourth instrument valve (30) and a fourth instrument root valve (29).
6. The automatic blockage judging device of the gas pipeline filtering separator according to claim 1, wherein a first bypass pipeline (4) is connected to branch main pipes (2) on the upstream and downstream sides of the first valve (3).
7. The automatic blockage judging device for the gas pipeline filtering separator as claimed in claim 6, wherein the first bypass pipeline (4) is provided with a second valve (5) and a third valve (6) in sequence from the upstream direction to the downstream direction.
8. The automatic blockage judging device of the gas pipeline filtering separator according to claim 1, wherein a second bypass pipeline (20) is connected to the branch main pipe (2) on the upstream and downstream sides of the fourth valve (19).
9. The automatic blockage judging device for the gas pipeline filtering separator as recited in claim 8, wherein the second bypass pipeline (20) is provided with a fifth valve (21) and a sixth valve (22) in sequence from the upstream direction to the downstream direction.
10. The automatic blockage judging device of the gas pipeline filtering separator according to claim 1, wherein the first valve (3), the first electric valve (17), the fourth valve (19) and the second electric valve (33) are provided with 8-shaped blind plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920812741.8U CN210229386U (en) | 2019-05-31 | 2019-05-31 | Automatic blockage judging device for gas pipeline filtering separator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920812741.8U CN210229386U (en) | 2019-05-31 | 2019-05-31 | Automatic blockage judging device for gas pipeline filtering separator |
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| CN210229386U true CN210229386U (en) | 2020-04-03 |
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| CN201920812741.8U Active CN210229386U (en) | 2019-05-31 | 2019-05-31 | Automatic blockage judging device for gas pipeline filtering separator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280071A (en) * | 2019-05-31 | 2019-09-27 | 中国石油天然气集团有限公司 | A kind of gas pipeline filter separator sentences block apparatus automatically and sentences blocking method automatically |
-
2019
- 2019-05-31 CN CN201920812741.8U patent/CN210229386U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280071A (en) * | 2019-05-31 | 2019-09-27 | 中国石油天然气集团有限公司 | A kind of gas pipeline filter separator sentences block apparatus automatically and sentences blocking method automatically |
| CN110280071B (en) * | 2019-05-31 | 2021-07-02 | 中国石油天然气集团有限公司 | Automatic blockage judging device and automatic blockage judging method for gas pipeline filtering separator |
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