CN204420239U - Round-the-clock fire-retardant breather valve - Google Patents
Round-the-clock fire-retardant breather valve Download PDFInfo
- Publication number
- CN204420239U CN204420239U CN201520044393.6U CN201520044393U CN204420239U CN 204420239 U CN204420239 U CN 204420239U CN 201520044393 U CN201520044393 U CN 201520044393U CN 204420239 U CN204420239 U CN 204420239U
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- CN
- China
- Prior art keywords
- exhalation
- valve
- guide pin
- pin bushing
- valve disc
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of round-the-clock fire-retardant breather valve, comprise valve body, body cap, exhalation valve rod, exhalation guide pin bushing, suck valve rod, storage tank adpting flange, suck valve disc, exhalation valve disc, fire retardant device, body cap top is located at by described exhalation guide pin bushing, exhalation guide pin bushing top is provided with electrostatic output unit, the exhalation valve rod mated with guide pin bushing of breathing out is provided with in exhalation guide pin bushing, the bottom of exhalation valve rod is provided with exhalation valve disc, described exhalation valve rod has the cavity that leads, sucking valve stem top stretches in guiding cavity, suck stem bottom and be connected with suction valve disc, compact structure, Throughput is large, leakage rate is little, corrosion-resistant, the features such as good seal performance.Valve disc adopts polytetrafluoroethylmaterial material, has low temperature resistant, antifreeze advantage, and is provided with electrostatic output unit, make this valve moment and tank body keep equipotential.
Description
Technical field
The utility model relates to a kind of fire insulation valve, is a kind of round-the-clock fire-retardant breather valve specifically.
Background technique
Regulation according to NBS " code for fire protection design of petrochemical enterprises " (SY/T 0511-1996 petroleum storage tank inhalation valve): " fixed tank of first, Class B liquid answers handicapping firearm and inhalation valve ".Visible inhalation valve, flame trap are the indispensable safety installations of storage tank.It can not only maintain cartridge gas pressure balance, guarantees that storage tank exempts from destruction when superpressure or vacuum, and can reduce volatilization and the loss of medium in tank.
At present, existing fire-retardant breather valve exist gas leakage, stuck, bonding, blocking, freezing, get rusty, and positive valve and straight empty valve Chang Kai etc., the akinesia when meeting that these faults have makes inhalation valve reach pilot pressure, causes oil tank superpressure, jeopardizes oil tank safety; Some meetings make inhalation valve ineffective, cause large and small breathing out of control, thus increase the evaporating loss of oil plant, make oil plant Quality Down, or increase the weight of tank field ambient atmosphere pollution, affect operator healthy, increase region hazards.
Summary of the invention
For above-mentioned situation, the utility model provides a kind of round-the-clock fire-retardant breather valve, the feature such as compact structure, Throughput are large, leakage rate is little, corrosion-resistant, good seal performance.Valve disc adopts polytetrafluoroethylmaterial material, has low temperature resistant, antifreeze advantage, and is provided with electrostatic output unit, make this valve moment and tank body keep equipotential.
To achieve these goals, the technical solution of the utility model is as follows:
Round-the-clock fire-retardant breather valve, comprise valve body, body cap, exhalation valve rod, exhalation guide pin bushing, suck valve rod, storage tank adpting flange, suck valve disc, exhalation valve disc, fire retardant device, described body top is provided with body cap, storage tank adpting flange is provided with below valve body, the outlet port of valve body side is provided with fire retardant device, an inner chamber is had in valve body, the top of inner chamber and bottom are respectively equipped with a suction port and an air outlet, the side of inner chamber is connected with the outlet inside valve body is through, it is characterized in that, body cap top is located at by described exhalation guide pin bushing, exhalation guide pin bushing top is provided with electrostatic output unit, the exhalation valve rod mated with guide pin bushing of breathing out is provided with in exhalation guide pin bushing, the bottom of exhalation valve rod is provided with exhalation valve disc, the position of exhalation valve disc is located at directly over suction port, the diameter of exhalation valve disc is greater than the external diameter of suction port, described exhalation valve rod has the cavity that leads, sucking valve stem top stretches in guiding cavity, suck stem bottom and be connected with suction valve disc, the position sucking valve disc is located at directly over air outlet, the diameter of exhalation valve disc is greater than the external diameter of air outlet.
Described exhalation valve rod, exhalation guide pin bushing, suction valve rod all adopt aluminum alloy or stainless steel manufacture.
Described suction valve disc is cone structure, and the angle of inclination on the inclined-plane of cone structure is 20 ~ 60 degree, and sucking in the middle part of valve disc is worm structure, sucks valve disc and is connected with suction stem bottom by worm structure, sucks on valve rod and is also provided with the fixing nut sucking valve disc.
The directed cavity body space of described suction valve rod and exhalation valve rod is connected.
Described suction port peristoma is provided with suction port seal ring, and suction port seal ring top is plane structure.
Described air outlet peristoma is provided with gas outlet seal circle, and gas outlet seal circle top is the ramp structure matched with the cone structure sucking valve disc.
Also seal ring is provided with between described exhalation guide pin bushing and exhalation valve rod.
The utility model has the advantages that: the feature such as compact structure, Throughput are large, leakage rate is little, corrosion-resistant, good seal performance.Valve disc adopts polytetrafluoroethylmaterial material, has low temperature resistant, antifreeze advantage, and is provided with electrostatic output unit, make this valve moment and tank body keep equipotential.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In the drawings: 1-valve body, 2-body cap, 3-exhalation valve rod, 4-exhalation guide pin bushing, 5-sucks valve rod, 6-storage tank adpting flange, and 7-sucks valve disc, 8-exhalation valve disc, 9-fire retardant device, 10-inner chamber, 11-suction port, 12-air outlet, 13-exports, 14-electrostatic output unit, 15-leads cavity, 16-cone structure, 17-suction port seal ring, 18-gas outlet seal circle, 19-seal ring.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
See Fig. 1, round-the-clock fire-retardant breather valve, comprise valve body, body cap, exhalation valve rod, exhalation guide pin bushing, suck valve rod, storage tank adpting flange, suck valve disc, exhalation valve disc, fire retardant device, described body top is provided with body cap, storage tank adpting flange is provided with below valve body, the outlet port of valve body side is provided with fire retardant device, an inner chamber is had in valve body, the top of inner chamber and bottom are respectively equipped with a suction port and an air outlet, the side of inner chamber is connected with the outlet inside valve body is through, it is characterized in that, body cap top is located at by described exhalation guide pin bushing, exhalation guide pin bushing top is provided with electrostatic output unit, the exhalation valve rod mated with guide pin bushing of breathing out is provided with in exhalation guide pin bushing, the bottom of exhalation valve rod is provided with exhalation valve disc, the position of exhalation valve disc is located at directly over suction port, the diameter of exhalation valve disc is greater than the external diameter of suction port, described exhalation valve rod has the cavity that leads, sucking valve stem top stretches in guiding cavity, suck stem bottom and be connected with suction valve disc, the position sucking valve disc is located at directly over air outlet, the diameter of exhalation valve disc is greater than the external diameter of air outlet.
Described exhalation valve rod, exhalation guide pin bushing, suction valve rod all adopt aluminum alloy or stainless steel manufacture.
Described suction valve disc is cone structure, and the angle of inclination on the inclined-plane of cone structure is 20 ~ 60 degree, and sucking in the middle part of valve disc is worm structure, sucks valve disc and is connected with suction stem bottom by worm structure, sucks on valve rod and is also provided with the fixing nut sucking valve disc.
The directed cavity body space of described suction valve rod and exhalation valve rod is connected.
Described suction port peristoma is provided with suction port seal ring, and suction port seal ring top is plane structure.
Described air outlet peristoma is provided with gas outlet seal circle, and gas outlet seal circle top is the ramp structure matched with the cone structure sucking valve disc.
Also seal ring is provided with between described exhalation guide pin bushing and exhalation valve rod.
More than show and describe basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and specification; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (5)
1. round-the-clock fire-retardant breather valve, comprise valve body, body cap, exhalation valve rod, exhalation guide pin bushing, suck valve rod, storage tank adpting flange, suck valve disc, exhalation valve disc, fire retardant device, described body top is provided with body cap, storage tank adpting flange is provided with below valve body, the outlet port of valve body side is provided with fire retardant device, an inner chamber is had in valve body, the top of inner chamber and bottom are respectively equipped with a suction port and an air outlet, the side of inner chamber is connected with the outlet inside valve body is through, it is characterized in that, body cap top is located at by described exhalation guide pin bushing, exhalation guide pin bushing top is provided with electrostatic output unit, the exhalation valve rod mated with guide pin bushing of breathing out is provided with in exhalation guide pin bushing, the bottom of exhalation valve rod is provided with exhalation valve disc, the position of exhalation valve disc is located at directly over suction port, the diameter of exhalation valve disc is greater than the external diameter of suction port, described exhalation valve rod has the cavity that leads, sucking valve stem top stretches in guiding cavity, suck stem bottom and be connected with suction valve disc, the position sucking valve disc is located at directly over air outlet, the diameter of exhalation valve disc is greater than the external diameter of air outlet.
2. round-the-clock fire-retardant breather valve according to claim 1, is characterized in that, described exhalation valve rod, exhalation guide pin bushing, suction valve rod all adopt aluminum alloy or stainless steel manufacture.
3. round-the-clock fire-retardant breather valve according to claim 1, it is characterized in that, described suction valve disc is cone structure, the angle of inclination on the inclined-plane of cone structure is 20 ~ 60 degree, sucking in the middle part of valve disc is worm structure, suck valve disc to be connected with suction stem bottom by worm structure, suck on valve rod and be also provided with the fixing nut sucking valve disc.
4. round-the-clock fire-retardant breather valve according to claim 1, is characterized in that, the peristoma of described air outlet is provided with gas outlet seal circle, and gas outlet seal circle top is the ramp structure matched with the cone structure sucking valve disc.
5. round-the-clock fire-retardant breather valve according to claim 1, is characterized in that, is also provided with seal ring between described exhalation guide pin bushing and exhalation valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044393.6U CN204420239U (en) | 2015-01-22 | 2015-01-22 | Round-the-clock fire-retardant breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520044393.6U CN204420239U (en) | 2015-01-22 | 2015-01-22 | Round-the-clock fire-retardant breather valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204420239U true CN204420239U (en) | 2015-06-24 |
Family
ID=53470610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520044393.6U Expired - Fee Related CN204420239U (en) | 2015-01-22 | 2015-01-22 | Round-the-clock fire-retardant breather valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204420239U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420597A (en) * | 2017-06-15 | 2017-12-01 | 长江大学 | A kind of intelligent breathing valve |
| US10612671B2 (en) | 2018-04-30 | 2020-04-07 | Dso Fluid Handling Co., Inc. | Valve stem with head covered by covering material and method of making valve stem |
| CN112728176A (en) * | 2020-12-29 | 2021-04-30 | 江苏复森特种阀门有限公司 | Integrated burning-resistant fire-retardant breather valve |
| US11035486B2 (en) | 2018-04-17 | 2021-06-15 | T-Lon Products, Inc. | Spherical valve stem seat |
| CN113600668A (en) * | 2021-08-06 | 2021-11-05 | 山东盛润汽车有限公司 | Liquid tank body expansion forming structure and process |
| CN114688323A (en) * | 2021-03-24 | 2022-07-01 | 上海实华石化设备有限公司 | Explosion-proof breather valve for oil tank |
-
2015
- 2015-01-22 CN CN201520044393.6U patent/CN204420239U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420597A (en) * | 2017-06-15 | 2017-12-01 | 长江大学 | A kind of intelligent breathing valve |
| US11035486B2 (en) | 2018-04-17 | 2021-06-15 | T-Lon Products, Inc. | Spherical valve stem seat |
| US10612671B2 (en) | 2018-04-30 | 2020-04-07 | Dso Fluid Handling Co., Inc. | Valve stem with head covered by covering material and method of making valve stem |
| CN112728176A (en) * | 2020-12-29 | 2021-04-30 | 江苏复森特种阀门有限公司 | Integrated burning-resistant fire-retardant breather valve |
| CN114688323A (en) * | 2021-03-24 | 2022-07-01 | 上海实华石化设备有限公司 | Explosion-proof breather valve for oil tank |
| CN114688323B (en) * | 2021-03-24 | 2024-03-19 | 上海实华石化设备有限公司 | Explosion-proof breather valve for oil tank |
| CN113600668A (en) * | 2021-08-06 | 2021-11-05 | 山东盛润汽车有限公司 | Liquid tank body expansion forming structure and process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Chengxiang Electromechanical Euqipment Co., Ltd. Assignor: Shanghai Kai Fan petrochemical equipment Co., Ltd Contract record no.: 2015990001077 Denomination of utility model: All-weather fire-retardant breather valve Granted publication date: 20150624 License type: Exclusive License Record date: 20151225 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Shanghai Chengxiang Electromechanical Euqipment Co., Ltd. Assignor: Shanghai Kai Fan petrochemical equipment Co., Ltd Contract record no.: 2015990001077 Date of cancellation: 20160225 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20190122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |