CN218118823U - Low-temperature ultrahigh-pressure safety valve - Google Patents
Low-temperature ultrahigh-pressure safety valve Download PDFInfo
- Publication number
- CN218118823U CN218118823U CN202221596377.4U CN202221596377U CN218118823U CN 218118823 U CN218118823 U CN 218118823U CN 202221596377 U CN202221596377 U CN 202221596377U CN 218118823 U CN218118823 U CN 218118823U
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- valve
- valve body
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- low
- spring
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- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 238000005485 electric heating Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of safety valves, and discloses a low-temperature and ultrahigh-pressure safety valve, which comprises a valve body and a heating sleeve; a valve rod is vertically and movably arranged above the interior of the valve body, a spring is sleeved on the valve rod, a valve clack is arranged at the bottom of the valve rod, a temperature sensor is arranged on one side of the top end of the interior of the valve body, and a heating sleeve is fixedly sleeved above the valve body; the heating sleeve is internally surrounded with an electric heating wire, the electric heating wire is wound on the valve body, and the outer wall of one side of the heating sleeve is fixedly provided with a temperature controller. The utility model discloses technical scheme can be through the temperature of temperature sensor real-time supervision spring position on the valve body, and the position that locates of spring on the valve body is heated in the start of the steerable electric heating wire of temperature controller when the temperature is less than minimum threshold value to avoid the lower condition that causes the spring inefficacy of temperature, make its use that can be suitable for the ultra-low temperature pipeline, improve the security greatly, the practicality is stronger.
Description
Technical Field
The utility model relates to a relief valve technical field specifically is low temperature superhigh pressure relief valve.
Background
The safety valve is a special valve which is in a normally closed state under the action of external force, when the medium pressure in equipment or a pipeline rises to exceed a specified value, the medium pressure in the pipeline or the equipment is prevented from exceeding the specified value by discharging the medium to the outside of the system, the safety valve belongs to the automatic valve class, is mainly used for boilers, pressure containers and pipelines, controls the pressure to be not more than the specified value, plays an important role in protecting personal safety and equipment operation, and can be used only through a pressure test. Through retrieving publication number (CN 215293755U), a low temperature safety valve is disclosed, the utility model discloses a valve body, disk seat, fluid passage includes from the top down terminal channel, transition passageway and head end passageway as an organic whole of shaping in proper order, terminal channel's diameter is less than head end passageway's diameter, transition passageway's diameter from the top down scales up gradually, the lower extreme of disk seat is connected with the import through the nut and takes over, the valve top is installed on the upper portion of valve body, the valve top passes through the upper end contact of sealing member with the disk seat.
In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: the device does not set up intensification or insulation construction to its spring position, consequently easily causes the condition that the valve body spring became invalid because of the low temperature when ultra-low temperature gas-liquid is carried to make the unable normal operating of relief valve, perhaps sensitivity reduces, and the security is relatively poor, needs to improve urgently, consequently, we propose low temperature superhigh pressure relief valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low temperature superhigh pressure relief valve has solved the problem that proposes in the background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the low-temperature ultrahigh-pressure safety valve comprises a valve body and a heating sleeve;
a valve rod is vertically and movably arranged above the inside of the valve body, a spring is sleeved on the valve rod, a valve clack is arranged at the bottom of the valve rod, a temperature sensor is arranged on one side of the top end of the inside of the valve body, and a heating sleeve is fixedly sleeved above the valve body;
the heating sleeve is internally surrounded with an electric heating wire, the electric heating wire is wound on the valve body, and the outer wall of one side of the heating sleeve is fixedly provided with a temperature controller.
As an alternative scheme of this application technical scheme, valve rod top outer wall is equipped with the thread groove, the valve rod top just is located the rotatory adjusting nut that installs in thread groove one side.
As an alternative of the technical scheme, the air inlet is formed in the bottom end of the valve body in an integrated mode, and the valve clack is arranged above the air inlet.
As an alternative of this application technical scheme, inside one side integrated into one piece of valve body has the gas vent, the valve body outer wall just is located gas vent one side and installs joint B, connect B and gas vent intercommunication each other.
As an alternative scheme of this application technical scheme, joint A is installed to the valve body bottom, joint A communicates with the air inlet each other.
As an alternative scheme of this application technical scheme, the valve cap is installed at the valve body top, just valve rod top and adjusting nut all arrange in the valve cap.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
but this application technical scheme passes through the temperature of temperature sensor real-time supervision spring position on the valve body, and the position that locates of spring on the valve body is heated in the steerable electric heating wire start of temperature controller when the temperature is less than minimum threshold value to avoid the lower condition that causes the spring inefficacy of temperature, make its use that can be suitable for the ultra-low temperature pipeline, improve the security greatly, the practicality is stronger.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of the structure of the low-temperature and ultra-high pressure safety valve of the present invention in front view;
fig. 2 is a schematic view of the front view internal structure of the low-temperature ultrahigh-pressure safety valve of the present invention.
In the figure: 1. a valve body; 2. heating a jacket; 3. a temperature controller; 4. a bonnet; 5. a joint A; 6. a joint B; 7. an air inlet; 8. a valve stem; 9. a valve flap; 10. an exhaust port; 11. an electric heating wire; 12. a temperature sensor; 13. a thread groove; 14. adjusting the nut; 15. a spring.
Detailed Description
Referring to fig. 1-2, the present invention provides a technical solution: the low-temperature ultrahigh-pressure safety valve comprises a valve body 1 and a heating sleeve 2;
a valve rod 8 is vertically and movably arranged above the interior of the valve body 1, a spring 15 is sleeved on the valve rod 8, a valve clack 9 is arranged at the bottom of the valve rod 8, a temperature sensor 12 is arranged on one side of the top end of the interior of the valve body 1, and a heating sleeve 2 is fixedly sleeved above the valve body 1;
an electric heating wire 11 is installed in the heating jacket 2 in a surrounding mode, the electric heating wire 11 is wound and installed on the valve body 1, and a temperature controller 3 is fixedly installed on the outer wall of one side of the heating jacket 2.
In this kind of technical scheme, but through the temperature of 15 positions of spring on the temperature sensor 12 real-time supervision valve body 1, the position that spring 15 was located on the valve body 1 is heated in the start-up of the steerable electric heating wire 11 of temperature controller 3 when the temperature is less than minimum threshold value to avoid the lower condition that causes spring 15 to become invalid of temperature, make its use that can be suitable for the ultra-low temperature pipeline, improve the security greatly, the practicality is stronger.
In some technical schemes, the outer wall above the valve rod 8 is provided with a thread groove 13, and an adjusting nut 14 is rotatably installed above the valve rod 8 and on one side of the thread groove 13.
In some technical schemes, an air inlet 7 is integrally formed at the bottom end inside the valve body 1, and the valve clack 9 is arranged above the air inlet 7.
In some technical scheme, 1 inside one side integrated into one piece of valve body has gas vent 10, and 1 outer wall of valve body just is located gas vent 10 one side and installs joint B6, connects B6 and gas vent 10 intercommunication each other.
In some technical schemes, a joint A5 is installed at the bottom of the valve body 1, and the joint A5 is communicated with the air inlet 7.
In some technical solutions, the top of the valve body 1 is provided with the bonnet 4, and the top of the valve rod 8 and the adjusting nut 14 are both arranged in the bonnet 4.
During the use, at first can be connected with the pipeline through connecting A5, spring 15 will receive the extrusion when the pipeline internal pressure is greater than the biggest bearing pressure of pipeline, can push up valve clack 9 and upwards remove this moment and make the gas-liquid in the pipeline get into in the valve body 1 through air inlet 7, discharge through gas vent 10 and joint B6 afterwards and realize the pressure release work, and can real-time supervision spring 15 position on the valve body 1 temperature through temperature sensor 12, the steerable electric heating wire 11 of temperature controller 3 starts to heat spring 15's the position on the valve body 1 when the temperature is less than minimum threshold value, thereby avoid the lower condition that causes spring 15 to become invalid of temperature, make its use that can be suitable for the ultra-low temperature pipeline, improve the security greatly, the practicality is stronger, and be located the elasticity size that rotates on thread groove 13 through adjusting nut 14, can protect adjusting nut 14 and valve rod through valve cap 4.
Claims (6)
1. Low temperature superhigh pressure relief valve, its characterized in that: comprises a valve body (1) and a heating sleeve (2);
a valve rod (8) is vertically and movably mounted above the interior of the valve body (1), a spring (15) is sleeved on the valve rod (8), a valve clack (9) is mounted at the bottom of the valve rod (8), a temperature sensor (12) is mounted on one side of the top end of the interior of the valve body (1), and a heating sleeve (2) is fixedly sleeved above the valve body (1);
the heating sleeve (2) is internally provided with an electric heating wire (11) in a surrounding manner, the electric heating wire (11) is wound on the valve body (1), and the outer wall of one side of the heating sleeve (2) is fixedly provided with a temperature controller (3).
2. The low-temperature and ultrahigh-pressure safety valve according to claim 1 is characterized in that a threaded groove (13) is formed in the outer wall of the upper part of the valve rod (8), and an adjusting nut (14) is rotatably mounted above the valve rod (8) and on one side of the threaded groove (13).
3. The low-temperature and ultrahigh-pressure safety valve according to claim 1 is characterized in that an air inlet (7) is integrally formed at the inner bottom end of the valve body (1), and the valve flap (9) is placed above the air inlet (7).
4. The low-temperature and ultrahigh-pressure safety valve according to claim 1 is characterized in that a gas outlet (10) is integrally formed on one side of the interior of the valve body (1), a joint B (6) is mounted on the outer wall of the valve body (1) and located on one side of the gas outlet (10), and the joint B (6) is communicated with the gas outlet (10).
5. The low-temperature ultrahigh-pressure safety valve according to claim 3 is characterized in that a joint A (5) is mounted at the bottom of the valve body (1), and the joint A (5) is communicated with the gas inlet (7).
6. The low-temperature ultrahigh-pressure safety valve according to claim 1, characterized in that a valve cap (4) is installed on the top of the valve body (1), and the top of the valve rod (8) and an adjusting nut (14) are arranged in the valve cap (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221596377.4U CN218118823U (en) | 2022-06-24 | 2022-06-24 | Low-temperature ultrahigh-pressure safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221596377.4U CN218118823U (en) | 2022-06-24 | 2022-06-24 | Low-temperature ultrahigh-pressure safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218118823U true CN218118823U (en) | 2022-12-23 |
Family
ID=84515028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221596377.4U Expired - Fee Related CN218118823U (en) | 2022-06-24 | 2022-06-24 | Low-temperature ultrahigh-pressure safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218118823U (en) |
-
2022
- 2022-06-24 CN CN202221596377.4U patent/CN218118823U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221223 |