CN209309684U - A kind of gas pipeline point defeated station main pipeline booster monitoring, alarming and interlock - Google Patents
A kind of gas pipeline point defeated station main pipeline booster monitoring, alarming and interlock Download PDFInfo
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- CN209309684U CN209309684U CN201822126145.2U CN201822126145U CN209309684U CN 209309684 U CN209309684 U CN 209309684U CN 201822126145 U CN201822126145 U CN 201822126145U CN 209309684 U CN209309684 U CN 209309684U
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Abstract
The utility model discloses a kind of gas pipeline point defeated station main pipeline booster monitoring, alarming interlock, which includes: that main pipeline is connect with the both ends of the first bypass line respectively by the first triple valve and the second triple valve；First pressure speed changer is arranged in parallel with second pressure speed changer, and one end of first pressure speed changer and second pressure speed changer is connect with the Upstream section of the first bypass line, and the other end is connect with controller；Third pressure transmission device is arranged in parallel with the 4th pressure transmission device, and one end of third pressure transmission device and the 4th pressure transmission device is connect with the tract of the first bypass line, and the other end is connect with controller.The utility model has the following beneficial effects: make pipeline burst monitoring, alarming speed more in time, accuracy rate it is higher, improve gas pipeline and periphery personnel and property safety；Booster position can be estimated, pipeline integrity and operational safety are improved；So that the monitoring of gas pipeline booster is more tended to functionization, reduces equipment investment and operating expenses.
Description
Technical field
The utility model relates to Gas pipeline system technical fields, dry in particular to a kind of gas pipeline point defeated station
Line pipeline burst monitoring, alarming and interlock.
Background technique
During conduit running, due to corrosive pipeline, damage from third-party, construction quality etc., cause natural gas tube
Road rupture is broken and causes natural gas leakage, finally ferments olefiant gas pipe safety accident, causes very to society and enterprise
Big adverse effect, more the security of the lives and property to the pipeline people, which is brought, seriously threatens.If grasped not in time
Whether pipeline the relevant informations such as cracks or fractures, and is handled in time, will lead to damage sequence and constantly aggravate, causes serious ring
Border pollution and the great person and property loss.
The gas pipeline as caused by corrosive pipeline, damage from third-party, construction quality etc. is revealed, since natural gas is
Compressible fluid, previous engineering can not carry out leakage monitoring with the method for oil pipeline, and it is different in appearance to cannot achieve transportation system
Emergency cut-off and station in normal situation emergency shutdown function out of the station cause human eye ought only occur observable natural
When the major accidents such as gas leakage, fire or explosion, relevant issues could be found.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of gas pipeline point defeated station main pipeline boosters
Monitoring, alarming interlock and method make the main pipeline booster monitoring, alarming speed of gas pipeline point defeated station more in time, accurately
Rate is higher, improves gas pipeline and periphery personnel and property safety.
The utility model provides a kind of gas pipeline point defeated station main pipeline booster monitoring, alarming interlock, the device
Include:
Main pipeline is connect with the both ends of the first bypass line respectively by the first triple valve and the second triple valve；
First pressure speed changer is arranged in parallel with second pressure speed changer, the first pressure speed changer and described
One end of two pressure transmission devices is connect with the Upstream section of first bypass line, the first pressure speed changer and described
The other end of two pressure transmission devices is connect with controller；
Third pressure transmission device is arranged in parallel with the 4th pressure transmission device, the third pressure transmission device and described
One end of four pressure transmission devices is connect with the tract of first bypass line, the third pressure transmission device and described
The other end of four pressure transmission devices is connect with the controller.
Main line pipe between first triple valve and second triple valve as a further improvement of the utility model,
Road is equipped with main line block valve, and the main line block valve is connect by the first cable with junction box；The main line truncation
Valve is connect by the second impulse line with first bypass line.
The 5th valve, the 6th valve are successively arranged on first bypass line as a further improvement of the utility model,
Door, emptying nitrogen injecting valua door and the 7th valve.
The second impulse line is equipped with the 4th valve, the 4th valve as a further improvement of the utility model,
For the concatenated valve group of multiple valves.
The second pressure speed changer and the 4th pressure transmission device side as a further improvement of the utility model,
It is equipped with a pressure gauge on the spot.
The first pressure speed changer, the second pressure speed changer, described as a further improvement of the utility model,
Third pressure transmission device and the 4th pressure transmission device pass through third cable, the 4th cable, the 5th cable and the 6th electricity respectively
Cable is connect with the controller.
The third cable, the 4th cable, the 5th cable and institute as a further improvement of the utility model,
It states the 6th cable to be integrated in junction box, then is connect by the 7th cable with the controller.
As a further improvement of the utility model, further include the pipeline that enters the station, one end set there are two branch and respectively with
The both ends of first bypass line connect, and the pipeline other end that enters the station is connect with gut line of standing, on the pipeline that enters the station according to
It is secondary to be equipped with insulating joint and the second valve.
Described one branch of pipeline of entering the station is equipped with the first valve as a further improvement of the utility model, it is described into
Another branch of pipeline stand equipped with the 9th valve.
Second valve is equipped with the second bypass line, second bypass as a further improvement of the utility model,
Pipeline is equipped with bypath valve, and the bypath valve is the concatenated valve group of multiple groups valve；Second valve is equipped with the first impulse
Pipeline, the first impulse pipeline are connect with second bypass line, and the first impulse pipeline is equipped with third valve.
The utility model has the following beneficial effects: make the main pipeline booster monitoring, alarming speed of gas pipeline point defeated station more and
When, accuracy rate it is higher, improve gas pipeline and periphery personnel and property safety；Booster position can be estimated simultaneously, improve pipeline
Integrality and operational safety；So that the monitoring of gas pipeline booster is more tended to functionization, reduces equipment investment and operating expenses.
Detailed description of the invention
Fig. 1 is a kind of gas pipeline point defeated station main pipeline booster monitoring, alarming interlocking described in the utility model embodiment
Apparatus structure schematic diagram.
In figure,
1, main pipeline；2, the first triple valve；3, main line block valve；4, the second threeway；5, the first bypass line；6, into
It stands pipeline；7, the first valve；8, insulating joint；9, the second valve；10, third valve；11, the first impulse pipeline；12, by the of second
Stylet；13, bypath valve；14, the second impulse pipeline；15, the 4th valve；16, first instrument root valve；17, first instrument
Valve；18, first pressure speed changer；19, second instrument root valve；20, second instrument valve；21, second pressure speed changer；22,
Five valves；23, the 6th valve；24, it is vented nitrogen injecting valua door；25, third instrument root valve；26, third gauge valve；27, third pressure
Power speed changer；28, the 4th instrument root valve；29, the 4th gauge valve；30, the 4th pressure transmission device；31, the 7th valve；32,
Eight valves；33, the 9th valve；34, junction box；35, the first cable；36, the second cable；37, third cable；38, the 4th cable；
39, the 5th cable；40, the 6th cable；41, the 7th cable.
Specific embodiment
Below by specific embodiment and in conjunction with attached drawing, the utility model is further described in detail.
As shown in Figure 1, being a kind of gas pipeline point defeated station main pipeline booster monitoring described in the utility model embodiment
Alarm interlocking device, the device include:
Main pipeline 1 is connected with the both ends of the first bypass line 5 respectively by the first triple valve 2 and the second triple valve 4
It connects；
First pressure speed changer 18 is arranged in parallel with second pressure speed changer 21,18 He of first pressure speed changer
One end of the second pressure speed changer 21 is connect with the Upstream section of first bypass line 5, the first pressure speed change
The other end of device 18 and the second pressure speed changer 21 is connect with controller；
Third pressure transmission device 27 is arranged in parallel with the 4th pressure transmission device 30,27 He of third pressure transmission device
One end of 4th pressure transmission device 30 is connect with the tract of first bypass line 5, the third pressure speed change
The other end of device 27 and the 4th pressure transmission device 30 is connect with the controller.
Further, the main pipeline 1 between the first triple valve 2 and the second triple valve 4 is equipped with main line block valve 3,
Main line block valve 3 is connect by the first cable 35 with junction box 34；Main line block valve 3 passes through the second impulse line 14 and first
Bypass line 5 connects.
Further, the 5th valve 22, the 6th valve 23, emptying nitrogen injecting valua door 24 are successively arranged on the first bypass line 5
With the 7th valve 31.
Further, the second impulse line 14 is equipped with the 4th valve 15, and the 4th valve 15 is the concatenated valve group of multiple valves.
Further, a pressure gauge on the spot is equipped with beside second pressure speed changer 21 and the 4th pressure transmission device 30.
Further, first pressure speed changer 18, second pressure speed changer 21, third pressure transmission device 27 and the 4th pressure
Power speed changer 30 is connect by third cable 37, the 4th cable 38, the 5th cable 39 and the 6th cable 40 with controller respectively.
Further, third cable 37, the 4th cable 38, the 5th cable 39 and the 6th cable 40 are integrated in junction box 34
In, then pass through the 7th cable 41 and connect with controller.
It further, further include the pipeline 6 that enters the station, one end is set there are two branch and two with the first bypass line 5 respectively
End connection, 6 other end of pipeline that enters the station are connect with station gut line, and insulating joint 8 and the second valve 9 are successively arranged on the pipeline 6 that enters the station.
Further, 6 one branches of pipeline are entered the station equipped with the first valve 7, another branch of pipeline 6 of entering the station is equipped with the
Nine valves 33.
Further, the second valve 9 is equipped with the second bypass line 12, and the second bypass line 12 is equipped with bypath valve 13,
Bypath valve 13 is the concatenated valve group of multiple groups valve；Second valve 9 is equipped with the first impulse pipeline 11, the first impulse pipeline 11 and the
The connection of two bypass lines 12, the first impulse pipeline 11 are equipped with third valve 10.
The testing principle of the utility model are as follows: when being full of high-pressure natural gas in gas pipeline, if some place occurs to break
It splits or ruptures, at this point, the gas in the pipeline in downstream will let out from the point in large quantities at that point, lead to upstream and downstream pipeline
Pressure reduce rapidly.It using this feature, can judge whether pipeline cracks or fractures, while utilize the time difference of upstream and downstream
The Position Approximate of leakage point can be positioned.
Gas pipeline point defeated station main pipeline booster monitoring, alarming interlock described in the utility model, in main pipeline 1
The first bypass pipe 5 of upper setting, while being connect again with the pipeline 6 that enters the station in the first bypass pipe 5.The Upstream section of first bypass pipe 5 is arranged
First pressure speed changer 18 and second pressure speed changer 21, tract point are provided with third pressure transmission device 27 and the 4th pressure
Speed changer 30.First pressure speed changer 18, second pressure speed changer 21, third pressure transmission device 27 and the 4th pressure transmission device 30
It is respectively intended to the pressure signal of the first bypass pipe of acquisition 5 and the pipeline 6 that enters the station, and pressure signal collected is passed through into third respectively
Cable 37, the 4th cable 38, the 5th cable 39 and the 6th cable 40 are transmitted in junction box 34 and are integrated, and pass through the 7th later
Cable 41 is transmitted in controller.Main pipeline 1, the first bypass pipe 5 are judged after the calculating analysis of controller and are entered the station
Pipeline 6 whether there is fracture or rent, and the Position Approximate of leakage point is further positioned according to the time difference of upstream and downstream, then
Judged whether to issue alarm according to the specific disposition of staff.Main pipeline 1 is equipped with main line block valve 3；First
Bypass pipe 5 is successively arranged the 5th valve 22, the 6th valve 23, emptying nitrogen injecting valua door 24 and the 7th valve 31, and the first bypass pipe 5
It is connect by the 8th valve 32 with high pressure blow-down pipe；Enter the station pipeline 6 close to both ends position be equipped with the first valve 7 and the 9th
Valve 33 is connect further through the second valve 9 with gut line of going to the station to meet somebody later.Wherein main line block valve 3 by the first cable 35 with
Junction box 34 connects, and is connect again by the 7th cable 41 with controller later；Second valve 9 passes through the second cable 36 and junction box
34 connections, are connect by the 7th cable 41 with controller again later；Controller is judged specifically to crack or fracture position, will be located
Reason information feeds back to the upstream valve that detachment is split or rupture location is nearest, disconnects it, so that emergency pipe line and station be isolated
?.
First pressure speed changer 18 and second pressure speed changer 21 are to be arranged in parallel, third pressure transmission device 27 and the 4th
Pressure transmission device 30 is to be arranged in parallel.Using the pressure signal that on the one hand can make acquisition is arranged in parallel, relatively only a pressure becomes
Fast device is relatively reliable, on the other hand can also make 21 mutual backup of first pressure speed changer 18 and second pressure speed changer, third
30 mutual backup of pressure transmission device 27 and the 4th pressure transmission device, even has one of pressure transmission device to break down also not
The monitoring that will affect entire gas pipeline point defeated station main pipeline booster monitoring, alarming interlock, makes the peace of gas pipeline
Full property has obtained effective guarantee.Wherein first pressure speed changer 18, which is matched, is arranged with first instrument root valve 16 and first instrument valve
17, second pressure speed changer 21 with second instrument root valve 19 and second instrument valve 20 is arranged with, match by third pressure transmission device 27
It is arranged with third instrument root valve 25 and third gauge valve 26, the 4th pressure transmission device 30, which is matched, is arranged with the 4th instrument root valve 28
It, in this way can be in order to first pressure speed changer 18, second pressure speed changer 21, third pressure transmission device with the 4th gauge valve 29
27 and the 4th pressure transmission device 30 protection, can be by first instrument root valve 16 and first instrument valve when there is dangerous situation
17, second instrument root valve 19 and second instrument valve 20, third instrument root valve 25 and third gauge valve 26 and the 4th instrument root
Portion's valve 28 and the 4th gauge valve 29 disconnect in time, and first pressure speed changer 18, second pressure speed changer 21, third pressure is avoided to become
The protection of fast device 27 and the 4th pressure transmission device 30 is damaged.Simultaneously in first pressure speed changer 18, second pressure speed changer
21, any one in the protection of third pressure transmission device 27 and the 4th pressure transmission device 30 or when several failures, can will
Corresponding instrument root valve or gauge valve disconnect convenient for first pressure speed changer 18, second pressure speed changer 21, third pressure
Speed changer 27 or the 4th pressure transmission device 30 repair.
Second valve 9 is provided with the second bypass line 12, on the one hand plays a protective role to the second valve 9, on the other hand
The spare of the second valve 9 is formed, bypath valve 13 is equipped on the second bypass line 12, is needed using the second bypass line 12 then
Bypath valve 13 is closed, is disconnected bypath valve 13 if without using the second bypass line 12.Second valve 9
It also is provided with the first impulse line 11, excessive pressure is avoided to cause to damage to the second valve 9, while being equipped on the first impulse line 11
Third valve 10, can according to the first impulse line 11 use whether to third valve 10 carry out closing or opening.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of gas pipeline point defeated station main pipeline booster monitoring, alarming and interlock characterized by comprising
Main pipeline (1) passes through the first triple valve (2) and the second triple valve (4) both ends with the first bypass line (5) respectively
Connection；
First pressure speed changer (18) is arranged in parallel with second pressure speed changer (21), the first pressure speed changer (18)
It is connect with the Upstream section of first bypass line (5) with one end of the second pressure speed changer (21), first pressure
The other end of power speed changer (18) and the second pressure speed changer (21) is connect with controller；
Third pressure transmission device (27) is arranged in parallel with the 4th pressure transmission device (30), the third pressure transmission device (27)
It is connect with the tract of first bypass line (5) with one end of the 4th pressure transmission device (30), the third pressure
Power speed changer (27) and the other end of the 4th pressure transmission device (30) are connect with the controller.
2. booster monitoring, alarming according to claim 1 and interlock, which is characterized in that first triple valve (2)
Main pipeline (1) between second triple valve (4) is equipped with main line block valve (3), the main line block valve (3)
It is connect by the first cable (35) with junction box (34)；The main line block valve (3) by the second impulse line (14) with it is described
First bypass line (5) connection.
3. booster monitoring, alarming according to claim 1 and interlock, which is characterized in that first bypass line
(5) the 5th valve (22), the 6th valve (23), emptying nitrogen injecting valua door (24) and the 7th valve (31) are successively arranged on.
4. booster monitoring, alarming according to claim 2 and interlock, which is characterized in that the second impulse line (14)
It is equipped with the 4th valve (15), the 4th valve (15) is the concatenated valve group of multiple valves.
5. booster monitoring, alarming according to claim 1 and interlock, which is characterized in that the second pressure speed changer
(21) and beside the 4th pressure transmission device (30) it is equipped with a pressure gauge on the spot.
6. booster monitoring, alarming according to claim 1 and interlock, which is characterized in that the first pressure speed changer
(18), the second pressure speed changer (21), the third pressure transmission device (27) and the 4th pressure transmission device (30) point
Not Tong Guo third cable (37), the 4th cable (38), the 5th cable (39) and the 6th cable (40) connect with the controller.
7. booster monitoring, alarming according to claim 6 and interlock, which is characterized in that the third cable (37),
4th cable (38), the 5th cable (39) and the 6th cable (40) are integrated in junction box (34), then lead to
The 7th cable (41) is crossed to connect with the controller.
8. booster monitoring, alarming according to claim 1 and interlock, which is characterized in that it further include enter the station pipeline (6),
One end sets there are two branch and connect respectively with the both ends of first bypass line (5), the pipeline that enters the station (6) other end
It is connect with station gut line, is successively arranged insulating joint (8) and the second valve (9) on the pipeline that enters the station (6).
9. booster monitoring, alarming according to claim 8 and interlock, which is characterized in that the pipeline (6) one that enters the station
A branch is equipped with the first valve (7), and described another branch of the pipeline that enters the station (6) is equipped with the 9th valve (33).
10. booster monitoring, alarming according to claim 8 and interlock, which is characterized in that second valve (9) sets
Have the second bypass line (12), second bypass line (12) is equipped with bypath valve (13), and the bypath valve (13) is
The concatenated valve group of multiple groups valve；Second valve (9) be equipped with the first impulse pipeline (11), the first impulse pipeline (11) with
Second bypass line (12) connection, the first impulse pipeline (11) are equipped with third valve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822126145.2U CN209309684U (en) | 2018-12-18 | 2018-12-18 | A kind of gas pipeline point defeated station main pipeline booster monitoring, alarming and interlock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822126145.2U CN209309684U (en) | 2018-12-18 | 2018-12-18 | A kind of gas pipeline point defeated station main pipeline booster monitoring, alarming and interlock |
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| CN209309684U true CN209309684U (en) | 2019-08-27 |
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| CN201822126145.2U Active CN209309684U (en) | 2018-12-18 | 2018-12-18 | A kind of gas pipeline point defeated station main pipeline booster monitoring, alarming and interlock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357164A (en) * | 2018-12-18 | 2019-02-19 | 中国石油天然气集团公司 | A kind of gas pipeline point defeated station main pipeline booster monitoring, alarming and interlock |
-
2018
- 2018-12-18 CN CN201822126145.2U patent/CN209309684U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357164A (en) * | 2018-12-18 | 2019-02-19 | 中国石油天然气集团公司 | A kind of gas pipeline point defeated station main pipeline booster monitoring, alarming and interlock |
| CN109357164B (en) * | 2018-12-18 | 2021-09-03 | 中国石油天然气集团有限公司 | Main pipeline pipe burst monitoring alarm and interlocking device for gas pipeline branch transmission station |
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