CN214405140U - Pressure relief device for pressure pipeline - Google Patents
Pressure relief device for pressure pipeline Download PDFInfo
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- CN214405140U CN214405140U CN202120327509.2U CN202120327509U CN214405140U CN 214405140 U CN214405140 U CN 214405140U CN 202120327509 U CN202120327509 U CN 202120327509U CN 214405140 U CN214405140 U CN 214405140U
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Abstract
The utility model relates to a pressure pipeline pressure relief device, pressure pipeline pressure relief device include trunk line, pressure-measuring pipe, closure piece, pressure sensor, controller, relief valve, pressure measurement spring, pressure-measuring pipe and trunk line intercommunication, the one end that the trunk line was kept away from to the pressure-measuring pipe is sealed, the one end that the pressure-measuring pipe is close to the trunk line is provided with the closure piece, pressure measurement spring one end and closure piece fixed connection, the one end fixed connection of trunk line is kept away from to the pressure measurement spring other end and pressure-measuring pipe, pressure sensor sets up and is used for delivering pressure to the controller on the closure piece, the relief valve sets up in the pressure-measuring pipe, the controller sets up the switching that is used for controlling the relief valve on the trunk line. This application has the effect of being convenient for carry out the pressure release to pipeline under pressure internal pressure.
Description
Technical Field
The application relates to the field of pressure relief devices, in particular to a pressure pipeline pressure relief device.
Background
Along with the development of life, various pipelines in life are distributed in every corner of our body, such as some common natural gas pipelines, tap water pipelines, sewer pipelines, electric wire cable pipelines and the like, some pipelines need a pressure relief device, such as bathroom steam pipelines, when the steam pressure is too large, the pressure relief device needs to be adjusted, the pressure is ensured to be safe, or within a proper range, some common pipeline pressure relief devices are provided with alarm devices, and the pressure of the pipelines needs to be relieved artificially.
At present, in the application document with the application number of 201710625096.4, a pressure pipeline is disclosed, which comprises a circular main body, a working cavity is arranged inside the main body, a pressure relief opening is arranged on the side wall of the main body, a baffle is arranged at the pressure relief opening, and a pressure bearing plate and a double torsion spring are arranged in the working cavity; the side wall of the main body is also provided with a viewing port, the viewing port is provided with a transparent viewing plate, the main body further comprises a handle, a rotating shaft, a driving shaft and bristles, and the main body further comprises a plurality of groups of reinforcing rings, a plurality of groups of left connecting frames, a plurality of groups of right connecting frames and a plurality of groups of threaded pipes.
In view of the above-mentioned related technologies, the inventor thinks that it is necessary to continuously monitor the pressure condition in the pressure pipeline by manual operation and then to manually release the pressure in the pressure pipeline, and there is a possibility that it is difficult to monitor the pressure in the pipeline or the manual release of the pressure is cumbersome.
SUMMERY OF THE UTILITY MODEL
In order to facilitate carrying out the pressure release to pipeline under pressure, this application provides a pipeline under pressure relief device.
The application provides a pressure pipeline pressure relief device adopts following technical scheme:
the utility model provides a pressure pipeline pressure relief device, includes trunk line, pressure-measuring pipe, pressure-relief pipe, closure piece, pressure sensor, controller, relief valve, pressure measurement spring, pressure-measuring pipe and trunk line intercommunication, pressure-relief pipe and trunk line intercommunication, the one end that the trunk line was kept away from to the pressure-measuring pipe is sealed, the one end that the pressure-measuring pipe is close to the trunk line is provided with the closure piece, pressure measurement spring one end and closure piece fixed connection, the one end fixed connection of trunk line is kept away from to the pressure measurement spring other end and pressure-measuring pipe, pressure sensor sets up and is used for delivering pressure to the controller on the closure piece, the relief valve sets up in the pressure-relief pipe, the controller sets up the switching that is used for controlling the relief valve on the trunk line.
Through adopting above-mentioned technical scheme, pressure in the pipeline passes through the closure piece, pressure promotes the closure piece, closure piece compression test spring is on transmitting the pressure that receives to pressure sensor simultaneously, when the pressure that the closure piece received is too big, pressure sensor conveys pressure to controller department, the controller opens the relief valve, gaseous through the relief valve discharge in the relief pipe, the gaseous back of discharging of trunk line, trunk line internal pressure reduces, the pressure that the closure piece received reduces, the controller closes the relief valve, accomplish the pressure release in the trunk line.
Optionally, the pressure relief valve includes first pressure relief valve, first pressure relief valve includes first mounting, first cylinder, sealing member, first mounting is located the one end that the trunk line is close to the pressure release pipe, first cylinder is located the one end that the trunk line was kept away from to first mounting, first cylinder shell is articulated with the pressure release pipe inner wall, first cylinder piston rod is articulated with first mounting, the sealing member is used for sealing up the space between first mounting and the pressure relief valve.
Through adopting above-mentioned technical scheme, when pressure was too big, first cylinder was opened to the controller, and first cylinder promotes first mounting, appears the gap between first mounting and the pressure release pipe, and gaseous effluvium from between first mounting and the pressure release pipe accomplishes the pressure release, and first cylinder is controlled to the controller, makes the piston rod retract, closes first mounting, and the gap between first mounting of sealing member shutoff and the pressure release pipe, the trunk line transportation gas of being convenient for.
Optionally, the sealing element is arranged as a rubber ring, the inner ring of the rubber ring is detachably connected with the periphery of the first sealing piece, and the outer ring of the sealing element is abutted against the inner wall of the pressure relief pipe.
Through adopting above-mentioned technical scheme, rubber circle and pressure release pipe inner wall butt reduce the possibility that the material of transportation spills in the pipeline from the pressure release pipe when first mounting is closed.
Optionally, the sealing element is provided with multiple layers on the surface facing the pressure relief pipe.
By adopting the technical scheme, the possibility of discharging substances in the pipeline is further reduced.
Optionally, a clamping block is arranged on the sealing element, a clamping groove is arranged on the first sealing piece, and the clamping block is clamped in the clamping groove.
Through adopting above-mentioned technical scheme, be convenient for dismantle the sealing member, be convenient for dismantle old sealing member, the sealing member of more renewing reduces because the old material that brings of sealing member is revealed.
Optionally, the pressure relief pipe includes a first pressure relief pipe and a second pressure relief pipe, one end of the first pressure relief pipe is fixedly connected to the main pipe, the other end of the first pressure relief pipe is fixedly connected to the second pressure relief pipe, an included angle α exists between the first pressure relief pipe and the main pipe in the length direction, α is greater than 0 degree and less than 90 degrees, and an included angle which is not zero exists between the first pressure relief pipe and the second pressure relief pipe.
Through adopting above-mentioned technical scheme, the pressure release pipe includes first pressure release pipe, second pressure release pipe, and has the contained angle that is not zero between first pressure release pipe and the trunk line, has the contained angle that is not zero between first pressure release pipe and the second pressure release pipe, increases the path length when revealing of material in the pipeline, reduces the possibility that material revealed in the pipeline.
Optionally, the pressure release valve further comprises a second pressure release valve, the second pressure release valve is located at a second pressure release pipe, the second pressure release valve is located on one side, away from the main pipeline, of the first pressure release valve, the second pressure release valve comprises a second sealing sheet and a second cylinder, a shell of the second cylinder is hinged to the inner wall of the pressure release pipe, and a piston rod of the second cylinder is hinged to the second sealing sheet.
Through adopting above-mentioned technical scheme, when needs pressure release, the second cylinder is controlled to the controller, opens the second mounting, and gas drifts away through first mounting and second mounting, reduces the pressure in the trunk line, sets up first relief valve, second relief valve respectively, strengthens the sealing capacity of pressure release pipe, reduces the possibility that the material spilled in the pressure release pipe.
Optionally, the second sealing sheet is provided with a flexible ring, the inner side of the flexible ring is fixedly connected with the second sealing sheet, and the outer side of the rubber ring is abutted to the second pressure relief pipe.
Through adopting above-mentioned technical scheme, be convenient for the shutoff second mounting patch and the intraductal space of pressure release, reduce the possibility that the material spills from second relief valve.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the pressure relief device, a main pipeline, a pressure measuring pipe, a pressure relief pipe, a plugging piece, a pressure sensor, a controller, a pressure relief valve and a pressure measuring spring are arranged, when pressure in the pipeline passes through the plugging piece, the pressure pushes the plugging piece, the plugging piece compresses the testing spring and transmits the received pressure to the pressure sensor at the same time, when the pressure received by the plugging piece is overlarge, the pressure sensor transmits the pressure to the controller, the controller opens the pressure relief valve, gas is discharged from the pressure relief pipe through the pressure relief valve, after the gas of the main pipeline is discharged, the pressure in the main pipeline is reduced, the pressure received by the plugging piece is reduced, the controller closes the pressure relief valve, and the pressure relief in the main pipeline is completed;
2. according to the gas pipeline pressure relief device, the first pressure relief valve comprising the first sealing piece, the first air cylinder and the sealing piece is arranged, when the pressure is overlarge, the controller opens the first air cylinder, the first air cylinder pushes the first sealing piece, a gap is formed between the first sealing piece and the pressure relief pipe, gas is emitted from the gap between the first sealing piece and the pressure relief pipe to complete pressure relief, the controller controls the first air cylinder to enable the piston rod to retract, the first sealing piece is closed, and the sealing piece seals the gap between the first sealing piece and the pressure relief pipe, so that the gas can be transported by the main pipeline conveniently;
3. this application is through setting up the sealing member into the rubber circle, rubber circle and pressure release pipe inner wall butt, and the possibility that the material of transportation spills from the pressure release pipe in the pipeline when reducing first mounting and closing.
Drawings
Fig. 1 is a schematic structural diagram of a pressure relief device for a pressure pipeline according to an embodiment of the present application.
Figure 2 is a cross-sectional view of a pressure pipe pressure relief device according to an embodiment of the present application.
Fig. 3 is a schematic diagram of a in fig. 2.
Fig. 4 is a schematic diagram of the structure B in fig. 2.
Fig. 5 is a schematic diagram of the structure C in fig. 2.
Reference numerals: 1. a main pipeline; 2. a piezometric tube; 3. a pressure relief pipe; 301. a first pressure relief tube; 302. a second pressure relief tube; 4. blocking sheets; 5. a pressure sensor; 6. a controller; 7. a pressure relief valve; 701. a first pressure relief valve; 7011. a first sealing sheet; 7012. a first cylinder; 7013. a seal member; 702. a second pressure relief valve; 7021. a second sealing sheet; 7022. a second cylinder; 8. a pressure measuring spring; 9. a clamping block; 10. a card slot; 11. a flexible loop.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses pressure pipeline pressure relief device. Referring to fig. 1 and 2, a pressure relief device for a pressure pipeline comprises a main pipeline 1, a pressure measuring pipe 2, a pressure relief pipe 3, referring to fig. 2 and 3, and further comprises a plugging sheet 4, a pressure sensor 5, a controller 6, a pressure relief valve 7 and a pressure measuring spring 8, wherein the pressure measuring pipe 2 is communicated with the main pipeline 1 by welding, the pressure relief pipe 3 is communicated with the main pipeline 1 by welding, one end of the pressure measuring pipe 2, which is far away from the main pipeline 1, is sealed by a welding circular sheet, the end of the pressure measuring pipe 2, which is close to the main pipeline 1, is provided with the plugging sheet 4, one end of the pressure measuring spring 8 is welded with the plugging sheet 4, the other end of the pressure measuring spring 8 is welded with one end of the pressure measuring pipe 2, which is far away from the main pipeline 1, the pressure sensor 5 is arranged on the plugging sheet 4 and is used for transmitting pressure to the controller 6, in this embodiment, the controller 6 is provided as a PLC controller 6, the pressure relief valve 7 is provided in the pressure relief pipe 3, and the controller 6 is provided on the main pipe 1 for controlling the opening and closing of the pressure relief valve 7. Pressure in the pipeline passes through the closure strip 4, pressure promotion closure strip 4, closure strip 4 compression pressure measurement spring 8 is simultaneously with the pressure transmission that receives to pressure sensor 5 on, when the pressure that closure strip 4 received is too big, pressure sensor 5 conveys pressure to 6 departments of controller, controller 6 opens relief valve 7, gaseous discharge from pressure release pipe 3 through relief valve 7, the gaseous back of discharging of trunk line 1, the pressure reduction in trunk line 1, the pressure reduction that closure strip 4 received, pressure release valve 7 is closed to controller 6, accomplish the pressure release in trunk line 1.
Referring to fig. 1, fig. 2, the pressure relief pipe 3 includes first pressure relief pipe 301, second pressure relief pipe 302, first pressure relief pipe 301 one end and 1 integrated into one piece of trunk line, first pressure relief pipe 301 other end and second pressure relief pipe 302 integrated into one piece, there is contained angle alpha first pressure relief pipe 301 and the length direction of trunk line 1, 0 is < alpha < 90, there is the contained angle that is not zero between first pressure relief pipe 301 and the second pressure relief pipe 302, in this embodiment, the angle of contained angle alpha is 45, the angle between first pressure relief pipe 301 and the second pressure relief pipe 302 is 135. The pressure relief pipe 3 includes first pressure relief pipe 301, second pressure relief pipe 302, and has the contained angle that is not zero between first pressure relief pipe 301 and the trunk line 1, has the contained angle that is not zero between first pressure relief pipe 301 and the second pressure relief pipe 302, increases the path length when revealing of material in the pipeline, reduces the possibility that material revealed in the pipeline.
Referring to fig. 1 and 2, the pressure relief valve 7 includes a first pressure relief valve 701, a second pressure relief valve 702, the first pressure relief valve 701 includes a first sealing piece 7011, a first cylinder 7012, a sealing member 7013, the first sealing piece 7011 is located at one end of the pressure relief pipe 3 close to the main pipe 1, the first cylinder 7012 is located at one end of the first sealing piece 7011 far away from the main pipe 1, a shell of the first cylinder 7012 is hinged to an inner wall of the first pressure relief pipe 301 through a hinge shaft, a piston rod of the first cylinder 7012 is hinged to the first sealing piece 7011 through a hinge shaft, the second pressure relief valve 702 is located at the second pressure relief pipe 302, the second pressure relief valve 702 is located at one side of the first pressure relief valve 701 far away from the main pipe 1, the second pressure relief valve 702 includes a second sealing piece 7021, a second cylinder 7022, a shell of the second cylinder 7022 is hinged to an inner wall of the first pressure relief pipe 301 through a hinge shaft, a piston rod of the second cylinder 7022 is hinged to the second sealing piece 7021 through a hinge shaft. When the pressure is too high, the controller 6 opens the first cylinder 7012, the first cylinder 7012 pushes the first sealing sheet 7011, a gap appears between the first sealing sheet 7011 and the pressure relief pipe 3, the gas is diffused from the first sealing sheet 7011 to the pressure relief pipe 3, the controller 6 controls the second cylinder 7022, the second sealing sheet 7021 is opened, the gas is diffused through the first sealing sheet 7011 and the second sealing sheet 7021, the pressure in the main pipe 1 is reduced, the pressure relief is completed, the controller 6 controls the first cylinder 7012 to retract the piston rod, the first sealing sheet 7011 is closed, the sealing member 7013 seals the gap between the first sealing sheet 7011 and the pressure relief pipe 3, the controller 6 controls the second cylinder 7022 to retract the pressure relief valve and close the second sealing sheet 7021, the main pipe 1 is convenient to transport the gas, the first cylinder 701 and the second cylinder 702 are respectively arranged, the sealing capability of the pressure relief pipe 3 is enhanced, and the possibility that the material leaks from the pressure relief pipe 3 is reduced.
Referring to fig. 4, the sealing element 7013 is provided as a rubber ring, the inner ring of the rubber ring is detachably connected to the first sealing piece 7011, the outer ring of the rubber ring abuts against the inner wall of the pressure release pipe 3, and a plurality of layers are arranged on one surface of the sealing element 7013 facing the pressure release pipe 3. The rubber ring abuts against the inner wall of the pressure release pipe 3, so that the possibility that substances transported in the pipeline leak out of the pressure release pipe 3 when the first sealing piece 7011 is closed is reduced, and the sealing piece 7013 is provided with a plurality of layers to further reduce the possibility that the substances in the pipeline leak out.
Referring to fig. 4, a clamping block 9 is bonded on the sealing element 7013, a clamping groove 10 is formed on the first sealing piece 7011, and the clamping block 9 is clamped in the clamping groove 10. The sealing part 7013 can be conveniently detached, the old sealing part 7013 can be conveniently detached, a new sealing part 7013 can be replaced, and material leakage caused by the old sealing part 7013 can be reduced.
Referring to fig. 5, the second sealing piece 7021 is provided with a flexible ring 11, the inner edge of the flexible ring 11 is bonded to the second sealing piece 7021, and the outer edge of the rubber ring abuts against the second pressure relief pipe 302. The gap between the second sealing sheet 7021 and the pressure relief pipe 3 is conveniently sealed, and the possibility that materials leak from the second pressure relief valve 702 is reduced.
The implementation principle of the pressure pipeline pressure relief device in the embodiment of the application is as follows: when the pressure in the pipeline passes through the blocking piece 4, the pressure pushes the blocking piece 4, the blocking piece 4 compresses the pressure measuring spring 8 and transmits the received pressure to the pressure sensor 5, when the pressure received by the blocking piece 4 is overlarge, the pressure sensor 5 transmits the pressure to the controller 6, the controller 6 opens the first cylinder 7012 and the second cylinder 7022, the first cylinder 7012 opens the first sealing piece 7011, the second cylinder 7022 opens the second sealing piece 7021, the gas passes through the first pressure relief pipe 301 and the second pressure relief pipe 302 and is discharged to the outside, after the gas in the main pipeline 1 is discharged, the pressure in the main pipeline 1 is reduced, the pressure received by the blocking piece 4 is reduced, the controller 6 closes the pressure relief valve 707, when the first sealing piece 7011 is closed, the sealing piece 7013 reduces the possibility of leakage of the material transported in the main pipeline 1, the sealing piece 7013 can be detached, a new sealing piece 7013 is replaced, and when the second sealing piece 7021 is closed, the flexible ring 11 reduces the possibility of leakage of the material transported in the main pipeline 1, pressure relief in the main pipe 1 is completed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A pressure pipeline pressure relief device which characterized in that: comprises a main pipeline (1), a pressure measuring pipe (2), a pressure relief pipe (3), a blocking sheet (4), a pressure sensor (5), a controller (6), a pressure relief valve (7) and a pressure measuring spring (8), the pressure measuring pipe (2) is communicated with the main pipeline (1), the pressure relief pipe (3) is communicated with the main pipeline (1), the end of the pressure measuring pipe (2) far away from the main pipeline (1) is closed, the plugging sheet (4) is arranged at the end of the pressure measuring pipe (2) close to the main pipeline (1), one end of the pressure measuring spring (8) is fixedly connected with the plugging sheet (4), the other end of the pressure measuring spring (8) is fixedly connected with one end of the pressure measuring pipe (2) far away from the main pipeline (1), the pressure sensor (5) is arranged on the plug sheet (4) and is used for transmitting the pressure to the controller (6), the pressure relief valve (7) is arranged in the pressure relief pipe (3), and the controller (6) is arranged on the main pipeline (1) and used for controlling the opening and closing of the pressure relief valve (7).
2. A pressure pipe pressure relief device as claimed in claim 1 wherein: the pressure relief valve (7) comprises a first pressure relief valve (701), the first pressure relief valve (701) comprises a first sealing piece (7011), a first air cylinder (7012) and a sealing piece (7013), the first sealing piece (7011) is located at one end, close to the main pipeline (1), of the pressure relief pipe (3), the first air cylinder (7012) is located at one end, far away from the main pipeline (1), of the first sealing piece (7011), the shell of the first air cylinder (7012) is hinged to the inner wall of the pressure relief pipe (3), the piston rod of the first air cylinder (7012) is hinged to the first sealing piece (7011), and the sealing piece (7013) is used for sealing a gap between the first sealing piece (7011) and the pressure relief valve (7).
3. A pressure pipe pressure relief device as claimed in claim 2 wherein: sealing member (7013) sets up to the rubber circle, the connection can be dismantled to rubber circle inner circle and first mounting (7011) week side, rubber circle outer lane and pressure release pipe (3) inner wall butt.
4. A pressure pipe pressure relief device as claimed in claim 3 wherein: the sealing element (7013) is provided with a plurality of layers on one surface facing the pressure relief pipe (3).
5. A pressure pipe pressure relief device as claimed in claim 3 wherein: a clamping block (9) is arranged on the sealing element (7013), a clamping groove (10) is arranged on the first sealing piece (7011), and the clamping block (9) is clamped in the clamping groove (10).
6. A pressure pipe pressure relief device as claimed in claim 2 wherein: the pressure relief pipe (3) comprises a first pressure relief pipe (301) and a second pressure relief pipe (302), one end of the first pressure relief pipe (301) is fixedly connected with the main pipe (1), the other end of the first pressure relief pipe (301) is fixedly connected with the second pressure relief pipe (302), an included angle alpha exists between the first pressure relief pipe (301) and the main pipe (1) in the length direction, alpha is more than 0 degree and less than 90 degrees, and an included angle which is not zero exists between the first pressure relief pipe (301) and the second pressure relief pipe (302).
7. A pressure pipeline pressure relief device as claimed in claim 6 wherein: the pressure release valve (7) further comprises a second pressure release valve (702), the second pressure release valve (702) is located the second pressure release pipe (302), the second pressure release valve (702) is located one side, away from the main pipe (1), of the first pressure release valve (701), the second pressure release valve (702) comprises a second sealing sheet (7021) and a second air cylinder (7022), a shell of the second air cylinder (7022) is hinged to the inner wall of the pressure release pipe (3), and a piston rod of the second air cylinder (7022) is hinged to the second sealing sheet (7021).
8. A pressure pipe pressure relief device as claimed in claim 7 wherein: the second cover slip (7021) is provided with flexible circle (11), limit and second cover slip (7021) fixed connection in flexible circle (11), flexible circle (11) outside and second pressure release pipe (302) butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120327509.2U CN214405140U (en) | 2021-02-04 | 2021-02-04 | Pressure relief device for pressure pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120327509.2U CN214405140U (en) | 2021-02-04 | 2021-02-04 | Pressure relief device for pressure pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN214405140U true CN214405140U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120327509.2U Active CN214405140U (en) | 2021-02-04 | 2021-02-04 | Pressure relief device for pressure pipeline |
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| CN (1) | CN214405140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116336232A (en) * | 2023-03-08 | 2023-06-27 | 江苏麦科特种阀门科技有限公司 | Safety cut-off valve |
-
2021
- 2021-02-04 CN CN202120327509.2U patent/CN214405140U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116336232A (en) * | 2023-03-08 | 2023-06-27 | 江苏麦科特种阀门科技有限公司 | Safety cut-off valve |
| CN116336232B (en) * | 2023-03-08 | 2023-10-20 | 江苏麦科特种阀门科技有限公司 | Safety cut-off valve |
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