CN219641228U - Safety valve on-line checking device and safety valve - Google Patents
Safety valve on-line checking device and safety valve Download PDFInfo
- Publication number
- CN219641228U CN219641228U CN202320930400.7U CN202320930400U CN219641228U CN 219641228 U CN219641228 U CN 219641228U CN 202320930400 U CN202320930400 U CN 202320930400U CN 219641228 U CN219641228 U CN 219641228U
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- safety valve
- medium
- line
- valve
- check
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- 238000002347 injection Methods 0.000 claims abstract description 36
- 239000007924 injection Substances 0.000 claims abstract description 36
- 238000012795 verification Methods 0.000 claims abstract description 31
- 230000006378 damage Effects 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 238000007789 sealing Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 208000014674 injury Diseases 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000001788 irregular Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model relates to the field of safety valve verification, in particular to a safety valve online verification device and a safety valve, wherein the safety valve online verification device comprises a device body, a medium channel is arranged in the device body, the medium channel comprises a medium inlet and a medium outlet, the medium inlet is communicated with an air inlet pipeline, the medium outlet is communicated with the safety valve, and a verification medium injection hole communicated with the medium channel is arranged on the device body; the safety valve comprises a valve body and an on-line safety valve checking device, wherein the valve body comprises a lower safety valve flange, the on-line safety valve checking device is connected with the lower safety valve flange through bolts, checking operation can be carried out without disassembling the safety valve, disassembly and assembly of the safety valve free of large size, large weight and high installation position are avoided, the occurrence rate of safety accidents is reduced, and damage to the safety valve caused by disassembly and assembly operation is avoided.
Description
Technical Field
The utility model relates to the field of safety valve verification, in particular to an online safety valve verification device and a safety valve.
Background
The safety valve used in the natural gas collection well station must be verified every year, the safety valve must be detached to complete verification work, then the two ends of the gas inlet and the gas outlet of the safety valve are sealed, and the gas with rated gas pressure is filled into the safety valve, so that whether the safety valve can work normally is judged.
Because the environment that natural gas gathered has strict control requirement on the use of instrument, consequently can only dismantle and install the relief valve through artificial mode, small-size relief valve dismouting is easy, however, partial relief valve is bulky, weight is big, mounted position is high, probably takes place personnel injury accident in artifical dismantlement, and the problem that natural gas leakage takes place in the damage of sealing gasket in the manual disassembly process can appear moreover.
Therefore, a technical scheme is needed at present to solve the technical problem that the verification of the safety valve of the gas production well station part is difficult.
Disclosure of Invention
The utility model aims at: aiming at the technical problem that the verification of the safety valve of the gas production well station part is difficult, the safety valve on-line verification device and the safety valve are provided.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides an online verifying attachment of relief valve, includes the device body, the inside medium passageway that sets up of device body, medium passageway includes medium entry and medium export, medium entry is used for with the inlet line intercommunication, medium export is used for with the relief valve intercommunication, set up on the device body with the check-up medium injection hole of medium passageway intercommunication.
According to the online check device for the safety valve, the medium channel is arranged on the device body, the medium inlet of the medium channel is communicated with the air inlet pipeline, and the medium outlet of the medium channel is communicated with the safety valve, so that medium in the pipeline can flow to the safety valve through the medium channel; through arranging a check medium injection hole communicated with the medium channel on the device body, check medium can enter the safety valve through the check medium injection hole to check the safety valve; when the safety valve is normally used, the check medium injection hole is in a blocking state, so that natural gas in a pipeline is prevented from leaking; when the safety valve is required to be checked, the valve on the upstream pipeline is closed, a check medium is injected through the check medium hole, and the on-line check of the safety valve can be completed under the condition that the safety valve is not dismounted by controlling the input of the check medium; the online safety valve checking device can effectively reduce the dismounting operation during safety valve checking, and avoid the risks of personnel injury caused by large-scale safety valve dismounting and leakage caused by irregular safety valve installation.
As a preferable mode of the present utility model, the check medium injection hole is provided at a side wall of the device body, and the check medium injection hole is provided along a radial direction of the medium passage. The check-up medium injection hole can be prevented from interfering with the medium inlet and the medium outlet, and the check-up pump and other testing devices can be conveniently connected by operators on the side wall.
As a preferred embodiment of the present utility model, the device body includes a cylindrical structural member, and the medium passage penetrates the cylindrical structural member along an axis of the cylindrical structural member. The top surface and the bottom surface of the cylindrical structural member can be matched with the connecting surface of the flange, so that the tightness of connection is ensured; the medium inlet and the medium outlet are respectively arranged at the bottom and the top of the cylindrical structural member, and the verification medium injection hole is horizontally arranged on the side wall of the cylindrical structural member.
As a preferred scheme of the utility model, the cylindrical structural member is provided with a through hole, the through hole is used for being connected with a lower flange of the safety valve and/or a flange of the air inlet pipeline through bolts, and the through hole and the check medium injection hole are arranged in a staggered manner. A through hole vertically penetrating from the top surface to the bottom surface of the cylindrical structural member is arranged on the cylindrical structural member, and the through hole can be connected with a connecting hole on the flange in an adaptive manner; the through holes are arranged in a staggered mode with the check medium injection holes, and the check medium injection holes are prevented from interfering with the through holes to cause medium leakage.
As a preferred embodiment of the present utility model, the verification medium injection hole includes a screw hole. The threaded holes are convenient for plugging the check medium injection holes and connecting the check pumps and other testing devices.
As a preferable scheme of the utility model, the verification medium injection hole comprises a threaded section and a smooth section which are communicated in sequence, and the smooth section is communicated with the medium channel. When the check medium injection hole is plugged or connected with the joint, the top of the plug bolt or the top of the joint can be abutted with the smooth section to realize sealing.
As a preferred embodiment of the present utility model, the diameter of the smooth section is smaller than the diameter of the threaded section. The bolt is convenient to be abutted with the smooth section for plugging.
As a preferable mode of the present utility model, the device body is provided with a seal at an end face in an axial direction. The sealing piece is arranged, so that medium leakage at the medium inlet and the medium outlet can be avoided, and the sealing effect is ensured.
The safety valve comprises a valve body and the safety valve online checking device, wherein the valve body comprises a safety valve lower flange, and the safety valve online checking device is connected with the safety valve lower flange through bolts.
According to the safety valve, the safety valve on-line verification device can be used for verifying the safety valve on the premise that the safety valve is not dismounted, so that the dismounting operation of the safety valve with large volume, large weight and high mounting position is avoided, the safety accident occurrence rate is reduced, and the damage of the dismounting operation to the safety valve is avoided.
As a preferable scheme of the utility model, the safety valve further comprises a control valve, wherein one end of the control valve is connected with an air inlet pipeline, and the other end of the control valve is connected with the safety valve on-line checking device. The control valve is connected to one end, far away from the safety valve, of the safety valve on-line checking device, and when the control valve is closed, a closed environment required by the safety valve test can be formed, so that the test efficiency is improved.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the online check device for the safety valve, the medium channel is arranged on the device body, the medium inlet of the medium channel is communicated with the air inlet pipeline, and the medium outlet of the medium channel is communicated with the safety valve, so that medium in the pipeline can flow to the safety valve through the medium channel; through arranging a check medium injection hole communicated with the medium channel on the device body, check medium can enter the safety valve through the check medium injection hole to check the safety valve; when the safety valve is normally used, the medium injection hole is checked to be in a blocking state, so that the medium in the pipeline is prevented from leaking; when the safety valve is required to be checked, the valve on the upstream pipeline is closed, and a check medium is injected through a check medium hole; the online safety valve checking device can effectively reduce the dismounting operation during safety valve checking, and avoid the risks of personnel injury caused by large-scale safety valve dismounting and leakage caused by irregular safety valve installation.
2. The safety valve on-line verification device is simple in structure and easy to manufacture, and the safety valve can be verified under the condition that the safety valve is not dismounted through the safety valve lower flange connection, so that the working strength of operators is reduced, personnel injury and damage to the safety valve caused by dismounting the safety valve are avoided, and the safety valve on-line verification device has good practical value and economic value.
3. According to the safety valve, the safety valve on-line verification device can be used for verifying the safety valve on the premise that the safety valve is not dismounted, so that the safety valve which is free of large size, heavy in weight and high in mounting position is prevented from being dismounted, the safety accident rate is reduced, and damage to the safety valve caused by dismounting operation is avoided.
Drawings
FIG. 1 is a schematic view of a schematic top-down construction of an on-line check device for a safety valve;
FIG. 2 is a schematic side sectional view of an on-line check device for a safety valve;
FIG. 3 is a schematic illustration of a connection structure of a safety valve;
fig. 4 is a schematic diagram of a connection structure of a safety valve of embodiment 4.
Icon:
the device comprises a device body, a 2-medium channel, a 3-check medium injection hole, a 31-threaded section, a 32-smooth section, a 4-through hole, a 5-sealing piece, a 6-valve body, a 7-air outlet pipeline, an 8-air inlet pipeline, a 9-safety valve lower flange and a 10-control valve.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
The online verification device for the safety valve shown in fig. 1-2 comprises a device body 1, wherein a medium channel 2 is arranged in the device body 1, the medium channel 2 comprises a medium inlet and a medium outlet, the medium inlet is used for being communicated with an air inlet pipeline 8, the medium outlet is used for being communicated with the safety valve, and a verification medium injection hole 3 communicated with the medium channel 2 is formed in the device body 1.
Specifically, the device body 1 is configured as a cylindrical structural member, the bottom surface and the top surface of the cylindrical structural member can be matched with the flange, a cylindrical channel which is matched with the inlet wire pipeline in size is formed on the axis of the cylindrical structural member as a medium channel 2, the medium channel 2 is vertically arranged and penetrates through the bottom surface and the top surface of the cylindrical structural member, so that the bottom surface of the cylindrical structural member forms a medium inlet, and the top surface of the cylindrical structural member forms a medium outlet; a checking medium injection hole 3 penetrating through the cylindrical channel is formed in the cylindrical surface of the cylindrical structural member, and the checking medium injection hole 3 is arranged along the radial direction of the cylindrical channel; four vertical through holes 4 are formed in the cylindrical structural member, the through holes 4 penetrate through the bottom surface of the cylindrical structural member from the top surface of the cylindrical structural member, the through holes 4 are annularly arranged with the axis of the cylindrical structural member as the center, and the setting positions of the through holes 4 need to avoid the verification medium injection holes 3.
Preferably, the verification medium may be selected to be nitrogen that is non-reactive with natural gas.
Specifically, the verification medium injection hole 3 includes a threaded section 31 and a smooth section 32 which are sequentially communicated, the smooth section 32 is communicated with the medium channel 2, and the diameter of the smooth section 32 is smaller than that of the threaded section 31, preferably, in this embodiment, the diameter of the smooth section 32 is 3cm, and the diameter of the threaded section 31 is 4cm.
Specifically, sealing elements 5 are arranged on the top surface and the bottom surface of the cylindrical structural member, the sealing elements 5 are annular, the medium inlet and the medium outlet are sealed, the sealing of the cylindrical passage, the safety valve and the air inlet pipeline 8 is ensured, and leakage is avoided.
According to the online check device for the safety valve, the medium channel 2 is arranged on the device body 1, the medium inlet of the medium channel 2 is communicated with the air inlet pipeline 8, and the medium outlet of the medium channel 2 is communicated with the safety valve, so that medium in the pipeline can flow to the safety valve through the medium channel 2; by arranging a check medium injection hole 3 communicated with the medium channel 2 on the device body 1, check medium can enter a safety valve through the check medium injection hole 3 to check the safety valve; when the safety valve is normally used, the medium injection hole 3 is checked to be in a blocking state, so that the medium in the pipeline is prevented from leaking; when the safety valve is required to be checked, the valve on the upstream pipeline is closed, and a check medium is injected through a check medium hole; the online safety valve checking device can effectively reduce the dismounting operation during safety valve checking, and avoid the risks of personnel injury caused by large-scale safety valve dismounting and leakage caused by irregular safety valve installation.
Example 2
The structure of the safety valve on-line check device according to the present embodiment is substantially the same as that of embodiment 1, and the check medium injection hole 3 is a screw hole, unlike embodiment 1.
Specifically, the verification medium injection hole 3 is provided with threads from the wall of the medium channel 2 to the outer wall of the cylindrical structural member.
Example 3
A safety valve as shown in fig. 3, comprising a valve body 6 and a safety valve on-line checking device of embodiment 1/embodiment 2, the valve body 6 comprising a safety valve lower flange 9, the safety valve on-line checking device being bolted to said safety valve lower flange 9.
Specifically, the valve body 6 further comprises a safety valve exhaust flange, and the exhaust flange is communicated with the air outlet pipe line 7.
Specifically, the safety valve on-line checking device is clamped between the safety valve lower flange 9 and the flange of the air inlet pipeline 8, the through hole 4 of the safety valve on-line checking device is aligned with the connecting hole on the flange and then connected by bolts, and the bolts sequentially penetrate through the safety valve lower flange 9, the safety valve on-line checking device and the flange of the air inlet pipeline 8.
When the safety valve is used, a test environment is provided for the safety valve by closing the valve on the air inlet pipeline 8; and a verification medium is injected into a verification medium hole on the online verification device through the safety valve, and the pressure is gradually increased, so that the pressure value of normal opening of the safety valve is tested.
According to the safety valve, the safety valve on-line verification device is adopted, so that the safety valve can be verified on the premise that the safety valve is not disassembled, the safety valve with large size, large weight and high installation position is avoided from being disassembled, the safety accident rate is reduced, and the damage of the disassembly operation to the safety valve is avoided.
Example 4
The safety valve shown in fig. 4 has the same structure as that of embodiment 3, and is different from embodiment 3 in that the safety valve further comprises a control valve 10, wherein one end of the control valve 10 is connected with the air inlet line 8, and the other end is connected with an on-line check device of the safety valve.
According to the safety valve, the safety valve on-line checking device is connected with the control valve 10, so that the control valve 10 can be used for blocking connection between the air inlet pipeline 8 and the safety valve, a test space formed between the control valve 10 and the safety valve is small, and the checking pump can be used for quickly boosting the test space, so that the checking efficiency is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides an online verifying attachment of relief valve, its characterized in that, including device body (1), inside medium passageway (2) that set up of device body (1), medium passageway (2) are including medium entry and medium export, medium entry is used for communicating with inlet line (8), medium export is used for communicating with the relief valve, set up on device body (1) with check-up medium injection hole (3) of medium passageway (2) intercommunication.
2. The safety valve on-line verification device according to claim 1, wherein the verification medium injection hole (3) is formed in a side wall of the device body (1), and the verification medium injection hole (3) is formed along a radial direction of the medium channel (2).
3. An on-line safety valve checking device according to claim 1, wherein the device body (1) comprises a cylindrical structural member, and the medium passage (2) penetrates the cylindrical structural member along the axis of the cylindrical structural member.
4. A safety valve on-line checking device according to claim 3, characterized in that the cylindrical structural member is provided with a through hole (4), the through hole (4) is used for being connected with a lower safety valve flange (9) and/or an air inlet pipeline (8) through a flange bolt, and the through hole (4) and the checking medium injection hole (3) are arranged in a staggered manner.
5. An on-line check device for a safety valve according to claim 1, wherein the check medium injection hole (3) includes a screw hole.
6. An on-line check device for a safety valve according to claim 1, wherein the check medium injection hole (3) comprises a threaded section (31) and a smooth section (32) which are communicated in sequence, and the smooth section (32) is communicated with the medium channel (2).
7. An on-line check device for a safety valve according to claim 6, wherein the smooth section (32) has a smaller diameter than the threaded section (31).
8. An on-line check device for a safety valve according to any one of claims 1 to 7, wherein the device body (1) is provided with a seal (5) at an end face in the axial direction.
9. A safety valve, characterized by comprising a valve body (6) and a safety valve on-line checking device according to any one of claims 1-8, wherein the valve body (6) comprises a safety valve lower flange (9), and the safety valve on-line checking device is connected with the safety valve lower flange (9) through bolts.
10. A safety valve according to claim 9, further comprising a control valve (10), one end of the control valve (10) being connected to the inlet line (8) and the other end being connected to the safety valve on-line verification means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320930400.7U CN219641228U (en) | 2023-04-23 | 2023-04-23 | Safety valve on-line checking device and safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320930400.7U CN219641228U (en) | 2023-04-23 | 2023-04-23 | Safety valve on-line checking device and safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219641228U true CN219641228U (en) | 2023-09-05 |
Family
ID=87813920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320930400.7U Active CN219641228U (en) | 2023-04-23 | 2023-04-23 | Safety valve on-line checking device and safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219641228U (en) |
-
2023
- 2023-04-23 CN CN202320930400.7U patent/CN219641228U/en active Active
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