CN214466039U - Pressure relief valve of pressure container - Google Patents
Pressure relief valve of pressure container Download PDFInfo
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- CN214466039U CN214466039U CN202022334335.0U CN202022334335U CN214466039U CN 214466039 U CN214466039 U CN 214466039U CN 202022334335 U CN202022334335 U CN 202022334335U CN 214466039 U CN214466039 U CN 214466039U
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- pressure relief
- pressure
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- 238000010030 laminating Methods 0.000 claims abstract description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 230000010354 integration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of pressure vessel pressure relief, in particular to a pressure relief safety valve of a pressure vessel, which comprises a pressure vessel, the left end of a connecting pipe is fixedly connected below the right side of the pressure vessel, the right end of the connecting pipe is connected with a first flange plate through screw threads, the upper end of a pressure relief compensation box body is connected with a floating plate in a laminating and rotating way, the middle part of the surface of the floating plate is provided with a screw hole, the floating plate is connected with the upper end of a ball screw through screw threads, the left side of the pressure relief compensation box body is fixedly connected with the lower end of a return pipe, the upper end of the return pipe is fixedly connected with a connector, the connector is communicated with the inside of the safety box body, the inside of the pressure relief compensation box body, the return pipe, the connector and the inside of the safety box body are integrally communicated, the pressure relief safety valve of the pressure vessel has the size of a valve port capable of being automatically adjusted according to the flow velocity of a medium, the pressure relief safety valve can be automatically closed when the pressure intensity in the safety relief valve is overlarge.
Description
Technical Field
The utility model relates to a pressure vessel pressure release technical field especially relates to a pressure vessel's pressure release relief valve.
Background
The pressure container is a closed device which contains gas or liquid and bears certain pressure. A pressure vessel is a closed vessel that can withstand pressure. The pressure container has wide application range, and has important position and function in many departments of industry, civil use, military industry and the like and many fields of scientific research. Among them, the most used in chemical and petrochemical industries.
When the pressure container is depressurized, a medium of the pressure container is required to flow through the pressure relief safety valve, the inside of the pressure relief safety valve can only bear certain pressure, and when the pressure value exceeds the pressure value of the outlet of the pressure relief safety valve, the pressure relief safety valve is possibly exploded to cause accidents.
In order to solve the problems, the application provides a pressure relief safety valve of a pressure container.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a pressure vessel's pressure release relief valve has the size that can be according to the big or small automatically regulated valve port of medium flow rate, can the characteristics of self-closing pressure release relief valve when the inside pressure of safety relief valve is too big.
(II) technical scheme
In order to solve the problems, the utility model provides a pressure relief valve of a pressure vessel, which comprises a pressure vessel, the left end of a connecting pipe is fixedly connected below the right side of the pressure vessel, the right end of the connecting pipe is connected with a first flange plate through screw threads, the first flange plate is fixedly connected at the middle part of the left end of the pressure relief valve, a safety box body is fixedly connected at the middle part above the pressure relief valve, a sliding plate is connected in the safety box body in a sliding way, a pressure relief compensation box body is fixedly connected at the middle part below the pressure relief valve, the lower end of a ball screw is fixedly connected at the middle part of the lower surface inside the pressure relief compensation box body, a floating plate is connected at the upper end of the pressure relief compensation box body in a laminating and rotating way, a screw hole is arranged at the middle part of the surface of the floating plate, the floating plate is connected with the upper end of the ball screw through screw threads, the lower end of a backflow pipe is fixedly connected at the left side of the pressure relief compensation box body, the upper end fixedly connected with connector of back flow, connector and the inside safety box body are linked together, inside, the back flow, the connector of pressure release compensation box body and the inside integration that is of safety box body link up.
Preferably, the middle part inside the pressure relief safety valve is rotatably connected with an electromagnetic valve close to the right side, the middle part of the upper end inside the safety box body is fixedly connected with a contact switch, and the contact switch is electrically connected with the electromagnetic valve.
Preferably, the middle part of the right side of the pressure relief safety valve is fixedly connected with a sleeve, the right side of the sleeve is fixedly connected with a second flange plate, fastening screw holes are uniformly formed in the left side face of the second flange plate at intervals, and screws are matched with the fastening screw holes.
Preferably, the surface inside the sleeve is fixedly connected with a drain pipe, the light springs are fixedly connected inside the sleeve at uniform intervals, and the inner surface of the sleeve and the drain pipe are both made of soft corrosion-resistant materials.
Preferably, the safety box body is fixedly connected with a limiting block, and the sliding plate is located above the limiting block.
Preferably, the left side surface of the first flange plate and the right side surface of the second flange plate are both fixedly connected with sealing rubber rings.
Preferably, the joint of the floating plate and the pressure relief compensation box body and the joint of the sliding plate and the safety box body are sealed.
The above technical scheme of the utility model has following profitable technological effect:
1. this pressure vessel's pressure release relief valve, pressure release compensation box through setting up, the safety box, back flow and contact switch and solenoid valve, when pressure release relief valve internal pressure is too big, the medium enters into the pressure release compensation box, the medium passes through the back flow from the pressure release compensation box and enters into the safety box, contact switch is touched, the solenoid valve rotates at pressure release relief valve inside, close the pressure release relief valve, thereby reached can the effect of self-closing pressure release relief valve when the inside pressure of safety relief valve is too big.
2. This pressure vessel's pressure release relief valve, through sleeve, bleeder line and the light spring that sets up, when the medium flow rate in the bleeder line is great with pressure, the light spring that is located sleeve inside is compressed, and the light spring enlarges the diameter of bleeder line, has avoided the velocity of flow inequality to cause the increase of pressure release relief valve internal pressure to reached and had the effect that can be according to the size automatically regulated valve port of the medium flow rate's size.
Drawings
FIG. 1 is a schematic view of the pressure relief safety valve of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a cross-sectional right-side structural schematic view of the sleeve and the second flange of the present invention;
fig. 4 is a schematic view of the structure of the ball screw and the floating plate of the present invention.
In the figure: 1. a pressure vessel; 2. a pressure relief safety valve; 3. a connecting pipe; 4. a first flange plate; 5. a return pipe; 6. a ball screw; 7. a pressure relief compensation box body; 8. a sleeve; 9. an electromagnetic valve; 10. a safety box body; 11. a sliding plate; 12. a contact switch; 13. a connector; 14. fastening screw holes; 15. a light spring; 16. a bleeder tube; 17. a floating plate; 18. a second flange.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in FIGS. 1-4, the pressure relief valve of a pressure vessel provided by the utility model comprises a pressure vessel 1, the left end of a connecting pipe 3 is fixedly connected below the right side of the pressure vessel 1, the right end of the connecting pipe 3 is connected with a first flange 4 through screw threads, the first flange 4 is fixedly connected at the middle part of the left end of a pressure relief valve 2, a safety box 10 is fixedly connected at the middle part above the pressure relief valve 2, a sliding plate 11 is slidably connected inside the safety box 10, a pressure relief compensation box 7 is fixedly connected at the middle part below the pressure relief valve 2, the lower end of a ball screw 6 is fixedly connected at the middle part of the lower surface inside the pressure relief compensation box 7, a floating plate 17 is rotatably connected at the upper end of the pressure relief compensation box 7, a screw hole is arranged at the middle part of the surface of the floating plate 17, the upper end of the ball screw 6 is connected with the floating plate 17 through screw threads, and the lower end of a backflow pipe 5 is fixedly connected at the left side of the pressure relief compensation box 7, the upper end fixedly connected with connector 13 of back flow 5, connector 13 and the inside safe box 10 that is linked together, inside pressure release compensation box 7, back flow 5, connector 13 and the inside integration that is of safe box 10 link up.
In this embodiment, it should be noted that the electromagnetic valve 9 is rotatably connected to the middle part inside the pressure relief valve 2 near the right side, the contact switch 12 is fixedly connected to the middle part of the upper end inside the safety box 10, and the electromagnetic valve 9 is electrically connected to the contact switch 12, and by adopting such a setting mode, after the contact switch 12 is turned on, the electromagnetic valve 9 rotates to close the pressure relief valve 2.
In this embodiment, it should be noted that the sleeve 8 is fixedly connected to the middle portion of the right side of the pressure relief valve 2, the second flange 18 is fixedly connected to the right side of the sleeve 8, the fastening screw holes 14 are evenly formed in the left side face of the second flange 18 at intervals, the fastening screw holes 14 are matched with screws, and by adopting the arrangement mode, the pressure relief valve 2 is connected with another container through the second flange 18, so that a medium in the pressure container 1 is unloaded to the other container.
In this embodiment, it should be noted that the inside surface of the sleeve 8 is fixedly connected with the drain pipe 16, the inside of the sleeve 8 is fixedly connected with the light spring 15 at an even interval, the inner surface of the sleeve 8 and the drain pipe 16 are both made of soft corrosion-resistant materials, and by adopting the arrangement mode, when the medium flow rate and the pressure in the drain pipe 16 are large, the light spring 15 is compressed, the light spring 15 enlarges the diameter of the drain pipe 16, and the increase of the pressure inside the pressure relief safety valve 2 caused by uneven flow rate is avoided.
In this embodiment, it should be noted that the inside fixedly connected with stopper of safety box 10, sliding plate 11 are located the stopper top, adopt such mode of setting, and the stopper is located the top of connector 13, has avoided sliding plate 11 when not having pressure, slides to safety box 10 bottom under the effect of self gravity and causes sliding plate 11 to lose effect.
In this embodiment, it should be noted that, the left side surface of the first flange 4 and the right side surface of the second flange 18 are both fixedly connected with a sealing rubber ring, and by adopting such an arrangement mode, the medium in the pressure vessel 1 is prevented from leaking out from the connection position of the connecting pipe 3 and the first flange 4, and the medium in the pressure relief valve 2 is prevented from leaking out from the connection position of the second flange 18 and another vessel.
In this embodiment, it should be noted that, the joint between the floating plate 17 and the pressure relief compensation tank 7 and the joint between the sliding plate 11 and the safety tank 10 are sealed, and by adopting such an arrangement, the medium is prevented from entering the space region formed by the inside of the pressure relief compensation tank 7 and the lower surface of the floating plate 17 from the joint, and also prevented from entering the space region formed by the upper surface of the sliding plate 11 and the inside of the safety tank 10 from the joint.
The working principle is as follows: the medium in the pressure container 1 enters the pressure relief safety valve 2 through the connecting pipe 3, when the pressure in the pressure relief safety valve 2 is overlarge, the medium flow rate and the pressure in the flow discharge pipe 16 are larger, the light spring 15 is compressed, the diameter of the flow discharge pipe 16 is enlarged by the light spring 15, the increase of the internal pressure of the pressure relief safety valve 2 caused by uneven flow rate is avoided, when the pressure in the pressure relief safety valve 2 is continuously increased, the medium presses the floating plate 17 to rotate downwards on the ball screw 6, when the floating plate 17 descends to the lower end of the return pipe 5, the medium enters the lower surface of the sliding plate 11 and the space area in the safety box body 10 from the return pipe 5 under the action of the pressure, along with the increase of the medium, the pressure in the safety box body 10 is increased, the sliding plate 11 slides upwards under the action of the pressure, when the sliding plate 11 is contacted with the contact switch 12, the contact switch 12 is switched on, the electromagnetic valve 9 is electrified to rotate in the pressure relief safety valve 2, and then the pressure relief safety valve 2 is closed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The pressure relief safety valve of the pressure container comprises a pressure container (1) and is characterized in that the left end of a connecting pipe (3) is fixedly connected below the right side of the pressure container (1), the right end of the connecting pipe (3) is connected with a first flange (4) through threads, the first flange (4) is fixedly connected to the middle of the left end of a pressure relief safety valve (2), a safety box body (10) is fixedly connected to the middle of the upper part of the pressure relief safety valve (2), a sliding plate (11) is slidably connected to the inside of the safety box body (10), a pressure relief compensation box body (7) is fixedly connected to the middle of the lower part of the pressure relief safety valve (2), the lower end of a ball screw (6) is fixedly connected to the middle of the inner lower surface of the pressure relief compensation box body (7), a floating plate (17) is rotatably connected to the upper end of the pressure relief compensation box body (7) in a laminating manner, and a screw hole is formed in the middle of the surface of the floating plate (17), the floating plate (17) is connected with the upper end of a ball screw (6) through screw threads, the lower end of a backflow pipe (5) is fixedly connected to the left side of the pressure relief compensation box body (7), a connector (13) is fixedly connected to the upper end of the backflow pipe (5), the connector (13) is communicated with the interior of the safety box body (10), and the pressure relief compensation box body (7) is internally communicated with the backflow pipe (5), the connector (13) and the interior of the safety box body (10) in an integrated mode.
2. The pressure relief and safety valve for pressure vessels according to claim 1, characterized in that the electromagnetic valve (9) is rotatably connected to the right side of the middle inside of the pressure relief and safety valve (2), the contact switch (12) is fixedly connected to the middle of the upper end inside of the safety box (10), and the electromagnetic valve (9) is electrically connected to the contact switch (12).
3. The pressure relief and safety valve of a pressure vessel as claimed in claim 1, wherein a sleeve (8) is fixedly connected to the middle of the right side of the pressure relief and safety valve (2), a second flange (18) is fixedly connected to the right side of the sleeve (8), fastening screw holes (14) are formed in the left side surface of the second flange (18) at regular intervals, and screws are fitted into the fastening screw holes (14).
4. A pressure relief valve for a pressure vessel according to claim 3, characterized in that a discharge pipe (16) is fixedly connected to the inner surface of said sleeve (8), a light spring (15) is fixedly connected to the inner surface of said sleeve (8) at regular intervals, and said inner surface of said sleeve (8) and said discharge pipe (16) are made of soft corrosion-resistant material.
5. The pressure relief valve for pressure vessels as claimed in claim 1, wherein a stopper is fixedly connected to the inside of said safety box body (10), and said sliding plate (11) is located above the stopper.
6. The pressure relief valve for a pressure vessel as set forth in claim 1, wherein a sealing rubber ring is fixedly attached to both the left side of the first flange (4) and the right side of the second flange (18).
7. The pressure relief valve for pressure vessels according to claim 1, wherein the joint of said floating plate (17) and said pressure relief compensation tank (7) and the joint of said sliding plate (11) and said safety tank (10) are sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022334335.0U CN214466039U (en) | 2020-10-19 | 2020-10-19 | Pressure relief valve of pressure container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022334335.0U CN214466039U (en) | 2020-10-19 | 2020-10-19 | Pressure relief valve of pressure container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214466039U true CN214466039U (en) | 2021-10-22 |
Family
ID=78147580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022334335.0U Active CN214466039U (en) | 2020-10-19 | 2020-10-19 | Pressure relief valve of pressure container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214466039U (en) |
-
2020
- 2020-10-19 CN CN202022334335.0U patent/CN214466039U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240530 Address after: 124000 South 035-3-101 Xingyou Committee, Bohai Street, Xinglongtai District, Panjin City, Liaoning Province Patentee after: Panjin Service Station of Lanzhou General Machinery Factory Industrial Corp. Country or region after: China Address before: 215334 No.3, 118 Zhangji Road, Kunshan Development Zone, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Suzhou Zhongshun Industrial Equipment Technology Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |