CN116734018A - Passive safety relief valve - Google Patents
Passive safety relief valve Download PDFInfo
- Publication number
- CN116734018A CN116734018A CN202311005530.0A CN202311005530A CN116734018A CN 116734018 A CN116734018 A CN 116734018A CN 202311005530 A CN202311005530 A CN 202311005530A CN 116734018 A CN116734018 A CN 116734018A
- Authority
- CN
- China
- Prior art keywords
- fixed
- valve
- driving
- assembly
- valve base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 210000004907 gland Anatomy 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims 1
- 238000010008 shearing Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/16—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member
- F16K31/163—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston
- F16K31/1635—Actuating devices; Operating means; Releasing devices actuated by fluid with a mechanism, other than pulling-or pushing-rod, between fluid motor and closure member the fluid acting on a piston for rotating valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/363—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a piston
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a passive safety relief valve, which comprises a valve base, wherein the bottom of the valve base is fixed with an embedded part; the valve seat is fixed at the top of the valve base; the valve cover is positioned above the valve base, one side of the valve cover is hinged with one side of the valve base, and the transmission assembly and the driving assembly are fixed on the other side of the valve base; the pin shaft assembly is fixed on the other side of the valve cover; the driving shaft of the transmission assembly is fixedly connected with the driving arm of the driving assembly; and a rocker arm fixedly connected with the driving shaft hooks the fixed pin shaft in the pin shaft assembly. The invention solves the problems that the safety pin of the existing large conventional safety relief valve for nuclear power is inconvenient to maintain, and can not ensure pressure relief under accurate pressure or even pressure relief.
Description
Technical Field
The invention belongs to the technical field of pressure relief valves, and relates to an passive safety pressure relief valve.
Background
The pressure relief valve is generally arranged on equipment or a pipeline of the closed system to protect the system, and when the pressure in the equipment or the pipeline exceeds the set pressure of the pressure relief valve, the pressure relief valve is automatically opened to protect the equipment and the pipeline.
The opening principle of the large conventional safety relief valve for nuclear power is as follows: when the valve plate is impacted by excessive pressure, the shearing piece connected with the valve shaft of the valve plate can shear the safety pin connected with the shearing piece under the action of the valve plate, so that the valve plate is opened. The safety pins (shear pins) are disposable articles, the safety pins must be replaced after an accident or after a period of use, the maintenance is inconvenient, the shearing force of the safety pins in each batch is related to the raw materials and the batch, the pressure relief of the pressure relief valve under the accurate pressure cannot be ensured, and the maintenance cost is high. And when the safety pin is broken, the broken part is easy to be blocked in the pin shaft bracket, so that the panel is blocked from being opened, even the panel cannot be opened, and the aim of pressure relief cannot be achieved. A safety relief valve has a plurality of safety pins which are independent individuals between the safety pins, and when the pressure reaches a critical value, the safety pins cannot be broken at the same time.
Disclosure of Invention
In order to achieve the purpose, the invention provides the passive safety relief valve, which solves the problems that the safety pin of the conventional large-scale conventional safety relief valve for nuclear power is inconvenient to maintain, and can not ensure pressure relief under accurate pressure or even can not relieve pressure.
In order to solve the technical problems, the technical scheme adopted by the invention is that the passive safety relief valve comprises a valve base, wherein the bottom of the valve base is fixed with an embedded part; the valve seat is fixed at the top of the valve base; the valve cover is positioned above the valve base, one side of the valve cover is hinged with one side of the valve base, and the transmission assembly and the driving assembly are fixed on the other side of the valve base; the pin shaft assembly is fixed on the other side of the valve cover; the driving shaft of the transmission assembly is fixedly connected with the driving arm of the driving assembly; and a rocker arm fixedly connected with the driving shaft hooks the fixed pin shaft in the pin shaft assembly.
Further, the transmission assembly further comprises a bracket, the bracket is fixed on the valve base, the driving shaft is rotationally connected with the bracket through a first bearing, and the first bearing is positioned in a bearing seat of the bracket; the first gland is fixed on the support, and the first gland is located the first bearing outside.
Further, the transmission assembly further comprises a limit bolt, the limit bolt is fixed on the bottom plate of the support, and the limit bolt is located below one end of the rocker arm away from the fixed pin shaft.
Further, one end of the rocker arm is a olecranon-shaped hook, the other end of the rocker arm is provided with a hole, one end of the spring is hung in the hole, and the other end of the spring is fixed on the bracket.
Further, the pin shaft assembly further comprises a fixing frame, and the fixing frame is fixed on the valve cover; one end of the adjusting block is positioned in the longitudinal guide groove of the fixing frame, and the other end of the adjusting block is positioned outside the guide groove; the fixed pin shaft is rotationally connected with the adjusting block through a second bearing, and the second bearing is positioned in a bearing seat of the adjusting block; the second gland is fixed on the adjusting block and is positioned at the outer side of the second bearing; the adjusting bolt downwards passes through the fixing frame and is connected with the adjusting block through threads.
Further, the driving assembly further comprises an air pipe, one end of the air pipe is positioned in the valve base, and the other end of the air pipe is connected with the film cylinder; the film cylinder is fixed on a cylinder bracket which is fixed on the valve base; one end of the driving arm far away from the driving shaft is rotationally connected with a piston rod of the film cylinder.
Further, the valve further comprises a chain, one end of the chain is fixedly connected with the valve cover, and the other end of the chain is fixedly connected with the valve base.
Further, a rectangular sealing strip is arranged in the valve seat, and 2 protrusions are arranged on the sealing surface of the rectangular sealing strip.
Further, the transmission assembly is fixed with the valve base through a first fastener; the rocker arm is fixed with the driving shaft through a first taper pin, the rocker arm is sleeved on the driving shaft, and the first taper pin penetrates through the rocker arm and the driving shaft; the pin shaft assembly is fixed with the valve cover through a second fastener; the driving assembly is fixed with the valve base through a seventh fastening piece; the driving shaft and the driving arm are fixed through a second taper pin, wherein the driving arm is sleeved in the middle of the driving shaft, and the second taper pin penetrates through the driving arm and the driving shaft.
The beneficial effects of the invention are as follows:
the invention does not need to additionally provide power such as electric power, air source, hydraulic pressure and the like, but utilizes high-pressure air generated in an accident state as power to complete the opening of the pressure release valve, and releases the pressure generated by the accident so as to meet the requirement that the pressure in a pipeline or a room does not exceed a safety value. Meanwhile, the fixed pin shaft can be reused, and the pin shaft of the traditional pressure release valve can only be used once and needs to be replaced periodically. According to the invention, the bearings are arranged at the two ends of the fixed pin shaft, so that the pin shaft can flexibly rotate, and the moment required at the beginning can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a front view of an passive safety relief valve according to an embodiment of the present invention.
Fig. 2 is a side view of an passive safety relief valve according to an embodiment of the present invention.
Fig. 3 is a partial cross-sectional view A-A of fig. 1.
Fig. 4 is a partial cross-sectional view B-B of fig. 1.
Fig. 5 is a partial cross-sectional view C-C of fig. 1.
Fig. 6 is a partially enlarged schematic view D of fig. 1.
Fig. 7 is a schematic diagram of an opened state of an passive safety relief valve according to an embodiment of the present invention.
Fig. 8 is a partial sectional view E-E of fig. 7.
In the figure, 1, a valve base, 2, a first fastener, 3, a transmission assembly, 4, a valve cover, 5, a second fastener, 6, a pin shaft assembly, 7, a hinge, 8, a third fastener, 9, a driving assembly, 10, a chain, 11, a rectangular sealing strip, 12, a valve seat, 3-1, a rocker arm, 3-2, a bracket, 3-3, a limit bolt, 3-4, a spring, 3-5, a fourth fastener, 3-6, a first gland, 3-7, a first bearing, 3-8, a first taper pin, 3-9, and a driving shaft. 6-1 parts of fixing frame, 6-2 parts of adjusting bolt, 6-3 parts of adjusting block, 6-4 parts of fifth fastening piece, 6-5 parts of second gland, 6-6 parts of second bearing and 6-7 parts of fixed pin shaft; 9-1 parts of air pipes, 9-2 parts of driving arms, 9-3 parts of second taper pins, 9-4 parts of film cylinders, 9-5 parts of sixth fasteners, 9-6 parts of cylinder supports, 9-7 parts of pin shafts and 9-8 parts of seventh fasteners.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 8, the embodiment of the invention provides a passive safety relief valve, which includes: the valve comprises a valve base 1, wherein the bottom of the valve base 1 is welded and fixed with an on-site embedded part, a valve seat 12 is fixed on the valve base 1 in a welding mode, a rectangular sealing strip 11 is arranged in the valve seat 12, and the rectangular sealing strip 11 is used for sealing between a valve cover 4 and the valve base 1; the third fastening piece 8 is used for respectively fixing two ends of the hinge 7 on the valve cover 4 and the valve base 1 and connecting the valve cover 4 with the rear surface of the valve base 1; one end of the chain 10 is fixedly connected with the valve cover 4, and the other end of the chain is fixedly connected with the valve base 1, so that the valve cover 4 is prevented from being oversized in angle when being opened; the driving assembly 3 is fixed on the front surface of the valve base 1 through a first fastening piece 2, the driving assembly 9 is fixed on the front surface of the valve base 1 through a seventh fastening piece 9-8, and a driving shaft 3-9 in the driving assembly 3 is fixedly connected with a driving arm 9-2 in the driving assembly 9 through a second taper pin 9-3; the pin shaft assembly 6 is fixedly connected with the valve cover 4 through a second fastening piece 5, and a rocker arm 3-1 fixedly connected with a driving shaft 3-9 in the transmission assembly 3 hooks a fixed pin shaft 6-7 in the pin shaft assembly 6 to prevent the valve cover from being opened.
In some embodiments, as shown in fig. 1 and 5, the driving assembly 9 further includes a gas pipe 9-1, one end of the gas pipe 9-1 is located inside the valve base 1, and the other end of the gas pipe 9-1 is connected to the film cylinder 9-4, so as to obtain high-pressure gas inside the valve and send the high-pressure gas to the film cylinder 9-4. The film cylinder 9-4 is fixed on the cylinder bracket 9-6 through a sixth fastener 9-5; the cylinder bracket 9-6 is fixed to the valve base 1 by a seventh fastener 9-8. The driving arm 9-2 is rotationally connected with the piston rod of the film cylinder 9-4 through a pin shaft 9-7, and a certain angle (namely, not 180 degrees) is kept between the driving arm 9-2 and the piston rod of the film cylinder 9-4 when the pressure release valve is not opened; the film cylinder 9-4 in the driving assembly 9 converts high-pressure gas generated by an accident into thrust through the air pipe 9-1, and drives the driving arm 9-2 to rotate by pushing, so that the driving shaft 3-9 is driven to rotate, and further the rocker arm 3-1 is driven to rotate, so that the rocker arm 3-1 is separated from the fixed pin shaft 6-7, and the valve cover 4 is opened under the action of the high-pressure gas.
In some embodiments, as shown in fig. 8, the rectangular sealing strip 11 is provided with 2 protrusions on its sealing surface to facilitate a double seal with the valve cover 4.
In some embodiments, the drive assembly 3 further comprises a bracket 3-2, the bracket 3-2 being secured to the valve base 1 by a first fastener 2; referring to fig. 3-4, a first gland 3-6 is fixed on a bracket 3-2 through a fourth fastener 3-5, a first bearing 3-7 is sleeved at two ends of a driving shaft 3-9, and the first gland 3-6 is used for fixing the first bearing 3-7 in a bearing seat of the bracket 3-2; the rocker arm 3-1 is fixed to the drive shaft 3-9 by means of a first conical pin 3-8. The drive shaft 3-9 is rotatably coupled to the bracket 3-2 through a first bearing 3-7 to increase the flexibility of rotation of the drive shaft 3-9.
In some embodiments, as shown in fig. 1, the number of rocker arms 3-1 is set to 2, and the rocker arms are symmetrically arranged left and right, and are fixedly connected with the driving shafts 3-9, so that the rocker arms 3-1 can run synchronously and are separated from the corresponding fixed pin shafts 6-7.
In some embodiments, as shown in FIG. 3, the rocker arm 3-1 has a olecranon-like hook at one end and a hole at the other end, one end of the spring 3-4 is hung in the hole, and the other end of the spring 3-4 is fixed on the bracket 3-2. The spring 3-4 provides a pulling force, which can prevent the rocker arm 3-1 from slightly rotating to separate from the fixed pin 6-7 during vibration.
In some embodiments, as shown in fig. 3, the transmission assembly 3 further includes a limit bolt 3-3 fixed on the bottom plate of the bracket 3-2 below one end of the rocker arm 3-1 away from the fixed pin 6-7 for limiting the rocker arm 3-1 and preventing the rocker arm 3-1 from rotating in a reverse direction.
In some embodiments, the pin assembly 6 further includes a fixing frame 6-1, and the fixing frame 6-1 is fixed on the front surface of the valve cover 4 through a second fastener 5; one end of the adjusting block 6-3 is positioned in a longitudinal guide groove of the fixing frame 6-1, the other end of the adjusting block 6-3 is positioned outside the guide groove, and the adjusting block 6-3 can move up and down in the guide groove; the second bearing 6-6 is positioned in the bearing seat of the adjusting block 6-3, and the fixed pin shaft 6-7 is rotationally connected with the adjusting block 6-3 through the second bearing 6-6; the second gland 6-5 is fixed on the adjusting block 6-3 through a fifth fastener 6-4, and the second gland 6-5 is positioned outside the second bearing 6-6; the adjusting bolt 6-2 passes through a hole on the fixing frame 6-1 downwards and is connected with the adjusting block 6-3 through threads, and the adjusting block 6-3 moves up and down by rotating the adjusting bolt 6-2, so that the fixing pin shaft 6-7 is driven to move up and down, and the valve cover 4 is ensured to be always sealed. The second bearings 6-6 are arranged at the two ends of the fixed pin 6-7, so that the fixed pin 6-7 can rotate, friction between the fixed pin 6-7 and the rocker arm 3-1 when the valve is opened is reduced, and the rocker arm 3-1 is separated from the fixed pin 6-7.
The working process of the passive safety relief valve provided by the embodiment of the invention is as follows:
normally the passive safety relief valve is in a closed state, see fig. 1 and 2. When the pressure in the room reaches a set pressure value, air enters the film cylinder 9-4 through the air pipe 9-1, a piston rod of the film cylinder is pushed to move backwards, the piston rod of the film cylinder 9-4 is connected with the driving arm 9-2 through the pin shaft 9-7, the piston rod drives the driving arm 9-2 to rotate, the driving arm 9-2 is connected with the driving arm 3-9 through the second taper pin 9-3, the driving arm 9-2 drives the driving arm 3-9 to rotate, the driving arm 3-9 is fixedly connected with the rocker arm 3-1 through the first taper pin 3-8, and the driving arm 3-9 drives the rocker arm 3-1 to rotate, so that the rocker arm 3-1 is separated from the fixed pin shaft 6-7. When the rocker arm 3-1 is separated from the fixed pin shaft 6-7, the valve cover 4 rotates and opens by taking the hinge 7 as the center under the action of gas pressure, so as to achieve the aim of pressure relief; when the valve cover 4 is opened to a certain extent, the valve cover 4 is prevented from being excessively opened under the action of the pulling force of the chain 10. After the pressure relief is completed, the valve cover 4 is manually reset to an initial state (the state of fig. 1-2).
In this specification, each embodiment is described in a related manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (9)
1. The passive safety relief valve comprises a valve base (1) and is characterized in that the bottom of the valve base (1) is fixed with an embedded part; the valve seat (12) is fixed at the top of the valve base (1); the valve cover (4) is positioned above the valve base (1), one side of the valve cover (4) is hinged with one side of the valve base (1), and the transmission assembly (3) and the driving assembly (9) are fixed on the other side of the valve base (1); the pin shaft assembly (6) is fixed on the other side of the valve cover (4); the driving shaft (3-9) of the transmission assembly (3) is fixedly connected with the driving arm (9-2) of the driving assembly (9); the rocker arm (3-1) fixedly connected with the driving shaft (3-9) hooks the fixed pin shaft (6-7) in the pin shaft assembly (6).
2. A passive safety relief valve according to claim 1, characterized in that the transmission assembly (3) further comprises a bracket (3-2), the bracket (3-2) being fixed to the valve base (1), the drive shaft (3-9) being rotatably connected to the bracket (3-2) by means of a first bearing (3-7), the first bearing (3-7) being located in a bearing seat of the bracket (3-2); the first gland (3-6) is fixed on the bracket (3-2), and the first gland (3-6) is positioned outside the first bearing (3-7).
3. The passive safety relief valve according to claim 2, wherein the transmission assembly (3) further comprises a limit bolt (3-3), the limit bolt (3-3) is fixed on the bottom plate of the bracket (3-2), and the limit bolt (3-3) is located below one end of the rocker arm (3-1) away from the fixed pin shaft (6-7).
4. A passive safety relief valve according to claim 2 or 3, characterized in that one end of the rocker arm (3-1) is a olecranon-like hook, the other end is provided with a hole, one end of the spring (3-4) is hung in the hole, and the other end of the spring (3-4) is fixed on the bracket (3-2).
5. A passive safety relief valve according to claim 1 wherein said pin assembly (6) further comprises a mount (6-1), the mount (6-1) being secured to the valve cover; one end of the adjusting block (6-3) is positioned in a longitudinal guide groove of the fixing frame (6-1), and the other end of the adjusting block (6-3) is positioned outside the guide groove; the fixed pin shaft (6-7) is rotationally connected with the adjusting block (6-3) through a second bearing (6-6), and the second bearing (6-6) is positioned in a bearing seat of the adjusting block (6-3); the second gland (6-5) is fixed on the adjusting block (6-3), and the second gland (6-5) is positioned at the outer side of the second bearing (6-6); the adjusting bolt (6-2) downwards passes through the fixing frame (6-1) and is connected with the adjusting block (6-3) through threads.
6. A passive safety relief valve according to claim 1, wherein said drive assembly (9) further comprises an air tube (9-1), one end of the air tube (9-1) being located inside the valve base (1), the other end of the air tube (9-1) being connected to the membrane cylinder (9-4); the film cylinder (9-4) is fixed on the cylinder bracket (9-6), and the cylinder bracket (9-6) is fixed on the valve base (1); one end of the driving arm (9-2) far away from the driving shaft (3-9) is rotationally connected with a piston rod of the film cylinder (9-4).
7. The passive safety relief valve according to claim 1, further comprising a chain (10), wherein one end of the chain (10) is fixedly connected with the valve cover (4), and the other end of the chain (10) is fixedly connected with the valve base (1).
8. The passive safety relief valve according to claim 1, characterized in that a rectangular sealing strip (11) is arranged in the valve seat (12), and the sealing surface of the rectangular sealing strip (11) is provided with 2 protrusions.
9. A passive safety relief valve according to claim 1, characterized in that the transmission assembly (3) is fixed to the valve base (1) by means of a first fastener (2); the rocker arm (3-1) and the driving shaft (3-9) are fixed through a first taper pin (3-8), wherein the rocker arm (3-1) is sleeved on the driving shaft (3-9), and the first taper pin (3-8) penetrates through the rocker arm (3-1) and the driving shaft (3-9); the pin shaft assembly (6) is fixed with the valve cover (4) through a second fastener (5); the driving assembly (9) is fixed with the valve base (1) through a seventh fastening piece (9-8); the driving shaft (3-9) and the driving arm (9-2) are fixed through a second taper pin (9-3), wherein the driving arm (9-2) is sleeved in the middle of the driving shaft (3-9), and the second taper pin (9-3) penetrates through the driving arm (9-2) and the driving shaft (3-9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311005530.0A CN116734018B (en) | 2023-08-10 | 2023-08-10 | Passive safety relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311005530.0A CN116734018B (en) | 2023-08-10 | 2023-08-10 | Passive safety relief valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116734018A true CN116734018A (en) | 2023-09-12 |
| CN116734018B CN116734018B (en) | 2023-10-31 |
Family
ID=87909866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311005530.0A Active CN116734018B (en) | 2023-08-10 | 2023-08-10 | Passive safety relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116734018B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2016302C1 (en) * | 1989-06-05 | 1994-07-15 | Анатолий Иванович Царенко | Hatch cover |
| CN201090829Y (en) * | 2007-09-29 | 2008-07-23 | 南通瑞帆阀业有限公司 | Pneumatic clock valve self-locking apparatus |
| CN101678926A (en) * | 2006-12-20 | 2010-03-24 | 巩特尔·E·阿斯特林 | Vessel lock down system |
| CN206112117U (en) * | 2016-10-09 | 2017-04-19 | 中国科学院工程热物理研究所 | Valve is cut soon to active machinery of non - |
| CN207178866U (en) * | 2017-06-26 | 2018-04-03 | 江苏联合电力机械制造有限公司 | A kind of locking of right angle shut-off air door and detent mechanism |
| CN207645380U (en) * | 2017-11-03 | 2018-07-24 | 天津华泰森淼生物工程技术股份有限公司 | The Dumpage type extra-high tension unit of automatic opening |
| CN113639054A (en) * | 2021-08-23 | 2021-11-12 | 河北安信燃气设备有限公司 | High-pressure safety cut-off valve |
| CN218582896U (en) * | 2022-06-13 | 2023-03-07 | 启东市飞宏自动化设备有限公司 | Automatic switch locking safety interlocking device for pressure container |
-
2023
- 2023-08-10 CN CN202311005530.0A patent/CN116734018B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2016302C1 (en) * | 1989-06-05 | 1994-07-15 | Анатолий Иванович Царенко | Hatch cover |
| CN101678926A (en) * | 2006-12-20 | 2010-03-24 | 巩特尔·E·阿斯特林 | Vessel lock down system |
| CN201090829Y (en) * | 2007-09-29 | 2008-07-23 | 南通瑞帆阀业有限公司 | Pneumatic clock valve self-locking apparatus |
| CN206112117U (en) * | 2016-10-09 | 2017-04-19 | 中国科学院工程热物理研究所 | Valve is cut soon to active machinery of non - |
| CN207178866U (en) * | 2017-06-26 | 2018-04-03 | 江苏联合电力机械制造有限公司 | A kind of locking of right angle shut-off air door and detent mechanism |
| CN207645380U (en) * | 2017-11-03 | 2018-07-24 | 天津华泰森淼生物工程技术股份有限公司 | The Dumpage type extra-high tension unit of automatic opening |
| CN113639054A (en) * | 2021-08-23 | 2021-11-12 | 河北安信燃气设备有限公司 | High-pressure safety cut-off valve |
| CN218582896U (en) * | 2022-06-13 | 2023-03-07 | 启东市飞宏自动化设备有限公司 | Automatic switch locking safety interlocking device for pressure container |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116734018B (en) | 2023-10-31 |
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