CN114673816A - Integrated fire retardant breather valve capable of adjusting pressure of breather valve - Google Patents
Integrated fire retardant breather valve capable of adjusting pressure of breather valve Download PDFInfo
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- CN114673816A CN114673816A CN202210241405.9A CN202210241405A CN114673816A CN 114673816 A CN114673816 A CN 114673816A CN 202210241405 A CN202210241405 A CN 202210241405A CN 114673816 A CN114673816 A CN 114673816A
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- breather valve
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
- F16K17/19—Equalising valves predominantly for tanks
- F16K17/196—Equalising valves predominantly for tanks spring-loaded
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C4/00—Flame traps allowing passage of gas but not of flame or explosion wave
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses an integrated fire retardant breather valve capable of adjusting pressure of a breather valve, which comprises a breather valve body, wherein the bottom of the breather valve body is fixedly communicated with a flange, one side of the breather valve body is communicated with a fire retardant element, a replacing mechanism is arranged inside the fire retardant element, the top of the breather valve body is fixedly connected with a valve cover through bolts, and pressure adjusting mechanisms are arranged on the top of the valve cover and the inside of the breather valve body. This integral type back-fire relief breather valve of adjustable breather valve pressure, through being provided with pressure adjustment mechanism, utilize to rotate and press the pressing plate to press down, make the regulating plate rotate to pressing down the groove and gliding down from first adjustment tank, until second adjustment tank department joint, realized the regulation of external operation to breather valve pressure, the dismantlement step of traditional to the valve disc has been avoided, make pressure adjustment get up more convenient, and reduced the step to breather valve stop, with this availability factor that has improved the breather valve.
Description
Technical Field
The invention relates to the technical field of breather valves, in particular to an integrated fire retardant breather valve capable of adjusting the pressure of the breather valve.
Background
The breather valve is a valve which not only ensures that the space of the storage tank is isolated from the atmosphere within a certain pressure range, but also can be communicated with the atmosphere (breathe) when the pressure exceeds or is lower than the pressure range; the function of the device is to prevent the storage tank from being damaged due to overpressure or vacuum, and simultaneously, the evaporation loss of the stored liquid can be reduced; mainly comprises a valve seat, a valve cover, a rain cover and two groups of opening and closing devices controlled by vacuum and pressure; the opening and closing device comprises a valve clack, a guide rod, a spring seat, a sealing ring and the like; when the pressure in the tank reaches the rated positive exhalation pressure, the pressure valve flap is opened, and the steam in the tank is discharged; when the vacuum degree in the tank reaches the rated suction negative pressure, the vacuum valve clack is opened, and air enters.
Most of the existing breather valves determine the pressure by the weight of a positive pressure valve disc and a negative pressure valve disc inside the breather valve, complicated disassembly operation causes that the operation of adjusting the pressure of the breather valve is troublesome, a large amount of time is needed, and meanwhile, the operation of replacing materials inside fire retardant elements is also troublesome.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an integrated fire retardant breather valve capable of adjusting the pressure of the breather valve, and solves the problems that the pressure of the breather valve is determined by the self weights of a positive pressure valve disc and a negative pressure valve disc in the breather valve, the pressure of the breather valve is difficult to adjust due to complex disassembly operation, a large amount of time is needed, and the operation of replacing materials in fire retardant elements is also troublesome in the conventional breather valve.
In order to realize the purpose, the invention is realized by the following technical scheme: an integrated fire retardant breather valve capable of adjusting pressure of a breather valve comprises a breather valve body, a flange is fixedly communicated with the bottom of the breather valve body, a fire retardant element is communicated with one side of the breather valve body, a replacing mechanism is arranged in the fire retardant element, a valve cover is fixedly connected with the top of the breather valve body through a bolt, pressure adjusting mechanisms are arranged at the top of the valve cover and the inside of the breather valve body, each pressure adjusting mechanism comprises a supporting column, a valve disc guide rod and an adjusting rod, the supporting column is fixedly installed at the top of the valve cover, a pressing plate is fixedly connected with the top end of the adjusting rod, a pressing groove is formed in the inner surface of the supporting column, a first adjusting groove and a second adjusting groove are formed in the inner surface of the supporting column and located in the pressing groove, one end of the adjusting rod sequentially penetrates through the supporting column, the valve disc guide rod and extends to the inside of the breather valve body, the utility model discloses a valve, including adjusting the pole, the valve guide arm, valve cap, pressure assembly and center guide arm sliding connection, the inside fixedly connected with regulating plate that just is located the support column on the surface of regulation pole, the surface of regulating plate and the internal surface sliding connection who presses the groove, the valve disc guide arm passes through elastic component and valve gap sliding connection, the inside of valve disc guide arm passes through pressure assembly and center guide arm sliding connection, the fixed surface of valve disc guide arm is connected with the negative pressure valve disc, the bottom fixedly connected with malleation valve disc of center guide arm.
Preferably, the elastic assembly comprises a first circular plate fixedly mounted on the surface of the adjusting rod, and the center of the bottom of the valve cover is provided with a first sliding groove.
Preferably, the first circular plate is slidably connected to a surface of the first sliding groove, and a first pressure spring is fixedly connected between the first circular plate and an opposite side of the valve plate guide rod.
Preferably, the pressure assembly comprises a second circular plate fixedly mounted at the bottom end of the adjusting rod, a second sliding groove is formed in the valve disc guide rod, and the second circular plate is connected with the surface of the second sliding groove in a sliding manner.
Preferably, the bottom of the second circular plate is fixedly connected with a second pressure spring, and the bottom end of the second pressure spring is fixedly connected with the top end of the central guide rod.
Preferably, the inside of the breather valve body forms an inhalation groove and an exhalation groove by extending the inner wall, the bottom of the negative pressure valve disc is in close contact with the inner walls at two sides of the exhalation groove, the bottom of the positive pressure valve disc is in close contact with the inner walls at two sides of the inhalation groove, and the inside of the breather valve body is communicated with the inside of the fire retardant element.
Preferably, including rain-proof cover and back-fire relief net in the change mechanism, the inside at the back-fire relief component is placed to the back-fire relief net, one side fixedly connected with closing plate of rain-proof cover, the draw-in groove has been seted up on the surface of closing plate, the extending groove has been seted up on the surface of back-fire relief component.
Preferably, the inside fixed connection fixed plate of extending groove, the surface of fixed plate runs through to slide has the card post, and the surperficial sliding connection of card post and draw-in groove, the fixed surface of card post is connected with the movable plate, and the one end fixedly connected with pulling handle of card post, fixedly connected with installation spring between the opposite side of fixed plate and movable plate.
Advantageous effects
The invention provides an integrated fire retardant breather valve capable of adjusting the pressure of the breather valve. Compared with the prior art, the method has the following beneficial effects:
(1) this integral type back-fire relief breather valve of adjustable breather valve pressure, through being provided with pressure adjustment mechanism, utilize to rotate to press the pressing plate to press down, make the regulating plate rotate to pressing the groove and lapse downwards from first adjustment tank, carry out the joint until second adjustment tank department, with this regulation of external operation to breather valve pressure has been realized, the dismantlement change step to the valve disc in the past has been avoided, make pressure adjustment more convenient, and the step that stop work changed has been reduced, with this efficiency that the back-fire relief breather valve used has been improved.
(2) This integral type back-fire relief breather valve of adjustable breather valve pressure through being provided with elastic component and pressure assembly, is adjusting the pole and moves the in-process downwards, can drive first plectane and extrude first pressure spring, and the second plectane extrudees second pressure spring, has realized negative pressure valve disc and malleation valve disc and inner wall contact pressure's increase, changes with the weight of principle to the valve disc to this makes things convenient for in the pressure adjustment to the breather valve body.
(3) This integral type back-fire relief breather valve of adjustable breather valve pressure through being provided with the change mechanism, utilizes the closing plate and the back-fire relief component contact on the rain-proof cover to elasticity through the installation spring makes and carries out the joint between card post and the draw-in groove, thereby has realized the quick dismantlement to the rain-proof cover, thereby is convenient for improve the efficiency of back-fire relief breather valve to the quick replacement of back-fire relief net.
Drawings
FIG. 1 is an external perspective view of the present invention;
FIG. 2 is a front view of the internal structure of the present invention;
FIG. 3 is an enlarged view of a portion of the structure of FIG. 2;
FIG. 4 is an enlarged view of a portion of the structure of FIG. 2;
fig. 5 is an exploded perspective view of the change mechanism of the present invention.
In the figure: 1-breather valve body, 2-flange, 3-fire retardant element, 4-replacement mechanism, 41-rain cover, 42-fire retardant net, 43-sealing plate, 44-clamping groove, 45-extension groove, 46-fixing plate, 47-installation spring, 48-clamping column, 49-moving plate, 410-pulling handle, 5-valve cover, 6-pressure adjusting mechanism, 61-supporting column, 62-valve disc guide rod, 63-adjusting rod, 64-pressing plate, 65-pressing groove, 66-first adjusting groove, 67-second adjusting groove, 68-adjusting plate, 69-elastic component, 69-1-first round plate, 69-2-first sliding groove, 69-3-first pressure spring, 610-pressure component, 610-1-second circular plate, 610-2-second sliding groove, 610-3-second pressure spring, 611-center guide rod, 612-negative pressure valve disc, 613-positive pressure valve disc, 7-suction groove and 8-exhalation groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an integrated fire retardant breather valve capable of adjusting pressure of a breather valve comprises a breather valve body 1, a flange 2 is fixedly communicated with the bottom of the breather valve body 1, a fire retardant element 3 is communicated with one side of the breather valve body 1, the fire retardant element 3 is used for preventing flame from burning outwards, a replacing mechanism 4 is arranged inside the fire retardant element 3, the replacing mechanism 4 comprises a rain cover 41 and a fire retardant net 42, the fire retardant net 42 is placed inside the fire retardant element 3, a sealing plate 43 is fixedly connected to one side of the rain cover 41, a clamping groove 44 is formed in the surface of the sealing plate 43, a sliding clamping connection is realized between a clamping column 48 and the clamping groove 44, an extending groove 45 is formed in the surface of the fire retardant element 3, a fixing plate 46 is fixedly connected inside the extending groove 45, a clamping column 48 is arranged on the surface of the fixing plate 46 in a penetrating and sliding mode, the clamping column 48 is connected with the surface of the clamping groove 44 in a sliding mode, a movable plate 49 is fixedly connected to the surface of the clamping column 48, and one end of the clamping column 48 is fixedly connected with a pulling handle 410, a mounting spring 47 is fixedly connected between the opposite sides of the fixed plate 46 and the moving plate 49, through the arrangement of the replacing mechanism 4, the sealing plate 43 on the rain-proof cover 41 is contacted with the fire retardant element 3, and the clamping column 48 is clamped with the clamping groove 44 through the elastic force of the mounting spring 411, so that the rain-proof cover 41 is quickly disassembled, thereby the fire retardant net 42 is conveniently and quickly replaced, the efficiency of the fire retardant breather valve is improved, the top of the breather valve body 1 is fixedly connected with a valve cover 5 through a bolt, the top of the valve cover 5 and the inside of the breather valve body 1 are provided with a pressure adjusting mechanism 6, the pressure adjusting mechanism 6 comprises a supporting column 61, a valve disc guide rod 62 and an adjusting rod 63, firstly, a pressing plate 64 is rotated, so that the adjusting plate 68 is rotated from a first adjusting groove 66 to a pressing groove 65, and then the pressing plate 64 is pressed, the adjusting plate 68 slides downwards in the pressing groove 65 until reaching the second adjusting groove 67, the first pressure spring 69-3 and the second pressure spring 610-3 are clamped, so that the pressure of the negative pressure valve disc 612 and the positive pressure valve disc 613 is increased, the pressure of the valve to be opened is increased, the required pressure value can be reduced through reverse operation, the supporting column 61 is fixedly installed at the top of the valve cover 5, the pressing plate 64 is fixedly connected to the top end of the adjusting rod 63, the pressing groove 65 is formed in the inner surface of the supporting column 61, the first adjusting groove 66 and the second adjusting groove 67 are formed in the inner surface of the supporting column 61 and located in the pressing groove 65, one end of the adjusting rod 63 sequentially penetrates through the supporting column 61, the valve cover 5 and the valve disc guide rod 62 and extends into the breathing valve body 1, the adjusting plate 68 is fixedly connected to the surface of the adjusting rod 63 and located in the supporting column 61, the outer surface of the adjusting plate 68 is slidably connected with the inner surface of the pressing groove 65, the valve disc guide rod 62 is slidably connected with the valve cap 5 through an elastic assembly 69, the elastic assembly 69 comprises a first circular plate 69-1 fixedly mounted on the surface of the adjusting rod 63, the bottom center of the valve cap 5 is provided with a first sliding groove 69-2, the first circular plate 69-1 is slidably connected with the surface of the first sliding groove 69-2, a first pressure spring 69-3 is fixedly connected between the first circular plate 69-1 and the opposite side of the valve disc guide rod 62, the inside of the valve disc guide rod 62 is slidably connected with the central guide rod 611 through a pressure assembly 610, the pressure assembly 610 comprises a second circular plate 610-1 fixedly mounted at the bottom end of the adjusting rod 63, the inside of the valve disc guide rod 62 is provided with a second sliding groove 610-2, and the second circular plate 610-1 is slidably connected with the surface of the second sliding groove 610-2, the bottom of the second circular plate 610-1 is fixedly connected with a second pressure spring 610-3, the bottom end of the second pressure spring 610-3 is fixedly connected with the top end of the central guide rod 611, the elastic component 69 and the pressure component 610 are arranged, in the downward movement process of the adjusting rod 63, the first circular plate 69-1 is driven to extrude the first pressure spring 69-3, the second circular plate 610-1 extrudes the second pressure spring 610-3, the increase of the contact pressure between the negative pressure valve disc 612 and the positive pressure valve disc 613 and the inner wall is realized, the weight of the valve discs is changed according to the principle, so that the pressure adjustment of the breather valve body 1 is convenient, the surface of the valve disc guide rod 62 is fixedly connected with a negative pressure valve disc 612, the bottom end of the central guide rod 611 is fixedly connected with a positive pressure valve disc 613, the inner wall of the breather valve body 1 extends to form an inhalation groove 7 and an exhalation groove 8, the bottom of the negative pressure valve disc 612 is in close contact with the inner walls of two sides of the exhalation groove 8, the bottom of the positive pressure valve disc 613 is in close contact with the inner walls of two sides of the inhalation groove 7, and the interior of the breather valve body 1 is communicated with the interior of the fire retardant element 3, through the arrangement of the pressure adjusting mechanism 6, the rotating pressing plate 64 is pressed downwards, the adjusting plate 68 is enabled to rotate from the first adjusting groove 66 to the pressing groove 65 and slide downwards until the second adjusting groove 67 is clamped, so that the pressure of the breather valve is adjusted through external operation, the previous disassembling and replacing steps of the valve discs are avoided, the pressure is adjusted more conveniently, and the steps of stopping work and replacing are reduced, so that the use efficiency of the fire retardant breather valve is improved, and the content which is not described in detail in the specification belongs to the prior art known by the technical personnel in the field.
When the adjusting valve works, firstly, the adjusting plate 68 is adjusted according to the required pressure, the pressing plate 64 is rotated firstly, the adjusting plate 68 is rotated to the pressing groove 65 from the first adjusting groove 66, then the pressing plate 64 is pressed, the adjusting plate 68 slides downwards in the pressing groove 65 until the second adjusting groove 67 is clamped through the elasticity of the first pressure spring 69-3 and the second pressure spring 610-3, the adjusting plate 68 is rotated to the pressing groove 65 from the first adjusting groove 66 and slides downwards by the downward pressing of the rotating pressing plate 64 through the pressure adjusting mechanism 6 until the second adjusting groove 67 is clamped, so that the pressure of the breathing valve is adjusted by external operation, the previous disassembling and replacing steps of the valve disc are avoided, the pressure adjusting is more convenient, the steps of stopping working and replacing are reduced, and the use efficiency of the fire-retardant breathing valve is improved, at the moment, in the process that the adjusting rod 63 moves downwards, the first circular plate 69-1 is driven to extrude the first pressure spring 69-3, the second circular plate 610-1 extrudes the second pressure spring 610-3, the increase of the contact pressure between the negative pressure valve disc 612 and the positive pressure valve disc 613 and the inner wall is realized, the weight of the valve discs is changed according to the principle, so that the pressure adjustment of the breathing valve body 1 is convenient, meanwhile, when the fire retardant net 42 needs to be replaced, the handle 410 is pulled to drive the clamping column 48 to move until the clamping column 48 is separated from the clamping groove 44, the fire retardant net 42 can be taken out and replaced, during installation, the clamping column 48 is clamped with the clamping groove 44 through the restoring force of the installation spring 47 compressed by the moving plate 49, the replacement mechanism 4 is arranged, the sealing plate 43 on the rain-proof cover 41 is contacted with the fire retardant element 3, and the clamping between the clamping column 48 and the clamping groove 44 is clamped through the elasticity of the installation spring 411, thereby realized the quick dismantlement to rain-proof cover 41 to be convenient for improve the efficiency of back-fire relief breather valve to the quick replacement of back-fire relief net 42.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an integral type back-fire relief breather valve of adjustable breather valve pressure, includes breather valve body (1), and the fixed intercommunication in bottom of breather valve body (1) has flange (2), its characterized in that: one side of the breather valve body (1) is communicated with a fire retardant element (3), a replacing mechanism (4) is arranged inside the fire retardant element (3), the top of the breather valve body (1) is fixedly connected with a valve cover (5) through a bolt, and pressure adjusting mechanisms (6) are arranged on the top of the valve cover (5) and inside the breather valve body (1);
Including support column (61), valve disc guide arm (62) and regulation pole (63) in pressure adjustment mechanism (6), support column (61) fixed mounting is at the top of valve gap (5), the top fixedly connected with pressing plate (64) of adjusting pole (63), pressing groove (65) have been seted up to the internal surface of support column (61), the internal surface of support column (61) just is located the first adjustment tank (66) and second adjustment tank (67) of inside of pressing groove (65), the one end of adjusting pole (63) runs through support column (61), valve gap (5) and valve disc (62) in proper order and extends to the inside of breather valve body (1), the surface of adjusting pole (63) just is located the inside fixedly connected with regulating plate (68) of support column (61), the surface of regulating plate (68) and the internal surface sliding connection who presses groove (65), valve disc guide arm (62) pass through elastic component (69) and valve gap (5) sliding connection, the inside of valve disc guide arm (62) passes through pressure components (610) and central guide arm (611) sliding connection, the fixed surface of valve disc guide arm (62) is connected with negative pressure valve disc (612), the bottom fixedly connected with positive pressure valve disc (613) of central guide arm (611).
2. The integrated fire retardant breather valve with adjustable breather valve pressure as claimed in claim 1, wherein: the elastic assembly (69) comprises a first circular plate (69-1) fixedly mounted on the surface of the adjusting rod (63), and the center of the bottom of the valve cover (5) is provided with a first sliding groove (69-2).
3. The integrated fire retardant breather valve with adjustable breather valve pressure as claimed in claim 2, wherein: the first circular plate (69-1) is connected with the surface of the first sliding groove (69-2) in a sliding mode, and a first pressure spring (69-3) is fixedly connected between the first circular plate (69-1) and the opposite side of the valve disc guide rod (62).
4. The integrated fire retardant breather valve with adjustable breather valve pressure as claimed in claim 1, wherein: the pressure assembly (610) comprises a second circular plate (610-1) fixedly mounted at the bottom end of the adjusting rod (63), a second sliding groove (610-2) is formed in the valve disc guide rod (62), and the second circular plate (610-1) is connected with the surface of the second sliding groove (610-2) in a sliding mode.
5. The integrated fire retardant breather valve with adjustable breather valve pressure of claim 4, wherein: the bottom of the second circular plate (610-1) is fixedly connected with a second pressure spring (610-3), and the bottom end of the second pressure spring (610-3) is fixedly connected with the top end of the central guide rod (611).
6. The integrated fire retardant breather valve with adjustable breather valve pressure as claimed in claim 1, wherein: the inside of breather valve body (1) is through extending the inner wall and forming suction groove (7) and exhale groove (8), the bottom of negative pressure valve dish (612) and the inner wall in close contact with who exhales groove (8) both sides, the bottom of positive pressure valve dish (613) and the inner wall in close contact with who inhales groove (7) both sides, and the inside of breather valve body (1) and the inside intercommunication of back-fire relief component (3).
7. The integrated fire retardant breather valve with adjustable breather valve pressure as claimed in claim 1, wherein: change including rain-proof cover (41) and back-fire relief net (42) in mechanism (4), back-fire relief net (42) are placed in the inside of back-fire relief component (3), one side fixedly connected with closing plate (43) of rain-proof cover (41), draw-in groove (44) have been seted up on the surface of closing plate (43), extending groove (45) have been seted up on the surface of back-fire relief component (3).
8. The integrated fire retardant breather valve capable of adjusting the pressure of the breather valve as claimed in claim 7, wherein: the inside fixed connection fixed plate (46) of extending groove (45), the surface of fixed plate (46) is run through to slide and is had card post (48), and the surperficial sliding connection of card post (48) and draw-in groove (44), the fixed surface of card post (48) is connected with movable plate (49), and the one end fixedly connected with pulling handle (410) of card post (48), fixedly connected with installation spring (47) between the opposite side of fixed plate (46) and movable plate (49).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210241405.9A CN114673816A (en) | 2022-03-11 | 2022-03-11 | Integrated fire retardant breather valve capable of adjusting pressure of breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210241405.9A CN114673816A (en) | 2022-03-11 | 2022-03-11 | Integrated fire retardant breather valve capable of adjusting pressure of breather valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114673816A true CN114673816A (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210241405.9A Pending CN114673816A (en) | 2022-03-11 | 2022-03-11 | Integrated fire retardant breather valve capable of adjusting pressure of breather valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114673816A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115539934A (en) * | 2022-11-23 | 2022-12-30 | 梁山恒源热力有限公司 | Pressure self-balancing valve of coal-fired boiler |
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| CN211059427U (en) * | 2019-12-19 | 2020-07-21 | 柏克流体科技(徐州)有限公司 | Fire-retardant breather valve |
| CN211231747U (en) * | 2019-12-24 | 2020-08-11 | 江苏邦茨石化设备制造有限公司 | Spring adjustable back-fire relief breather valve |
| CN211261204U (en) * | 2019-12-24 | 2020-08-14 | 苏州其嘉净化设备有限公司 | Laminar flow hood capable of being opened and closed quickly |
| CN212899948U (en) * | 2020-08-13 | 2021-04-06 | 定州市东方石油设备有限公司 | Fire-retardant breather valve |
| CN214743588U (en) * | 2021-01-29 | 2021-11-16 | 普瑞泰格(南京)安全设备有限公司 | Integrated quick detection and replacement function integrated fire-retardant breather valve |
| CN215258031U (en) * | 2021-05-24 | 2021-12-21 | 湖北万安环保石化设备有限公司 | Fireproof breather valve of positive exhaust pressure and negative suction pressure of storage tank |
-
2022
- 2022-03-11 CN CN202210241405.9A patent/CN114673816A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211059427U (en) * | 2019-12-19 | 2020-07-21 | 柏克流体科技(徐州)有限公司 | Fire-retardant breather valve |
| CN211231747U (en) * | 2019-12-24 | 2020-08-11 | 江苏邦茨石化设备制造有限公司 | Spring adjustable back-fire relief breather valve |
| CN211261204U (en) * | 2019-12-24 | 2020-08-14 | 苏州其嘉净化设备有限公司 | Laminar flow hood capable of being opened and closed quickly |
| CN212899948U (en) * | 2020-08-13 | 2021-04-06 | 定州市东方石油设备有限公司 | Fire-retardant breather valve |
| CN214743588U (en) * | 2021-01-29 | 2021-11-16 | 普瑞泰格(南京)安全设备有限公司 | Integrated quick detection and replacement function integrated fire-retardant breather valve |
| CN215258031U (en) * | 2021-05-24 | 2021-12-21 | 湖北万安环保石化设备有限公司 | Fireproof breather valve of positive exhaust pressure and negative suction pressure of storage tank |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115539934A (en) * | 2022-11-23 | 2022-12-30 | 梁山恒源热力有限公司 | Pressure self-balancing valve of coal-fired boiler |
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