CN202252199U - Fire-resistant respiration valve - Google Patents
Fire-resistant respiration valve Download PDFInfo
- Publication number
- CN202252199U CN202252199U CN2011203005032U CN201120300503U CN202252199U CN 202252199 U CN202252199 U CN 202252199U CN 2011203005032 U CN2011203005032 U CN 2011203005032U CN 201120300503 U CN201120300503 U CN 201120300503U CN 202252199 U CN202252199 U CN 202252199U
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- valve
- fire
- fire relief
- retardant
- relief
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Abstract
The utility model discloses a fire-resistant respiration valve, which comprises a valve cover and a valve body, wherein the valve body consists of a pressure valve arranged at the upper part and a vacuum valve arranged at the lower part, the pressure valve is provided with a breathe-out opening, the vacuum valve is provided with a breathe-in opening, at least one of the breathe-out opening or the breathe-in opening is connected with a connecting pipe, the end part of the connecting pipe is provided with a connecting flange, and a fire-resistant device is arranged at the bottom of the valve body. In the fire-resistant respiration valve, the respiration valve and the fire-resistant device are combined into a whole, the scattering phenomenon easy to occur in the prior art is avoided, and in addition, better sealing performance can be obtained.
Description
Technical field
The utility model relates to a kind of inhalation valve, relates in particular to a kind of fire-retardant breather valve that is applied to oil tank.
Background technique
Inhalation valve is the important accessory of protection oil tank safety, and it is installed on the top board of oil tank, is made up of pressure valve and vacuum valve two-part.Acting on generally speaking of it keeps the seal of oil tank, reduces the evaporating loss of oil product to a certain extent.And where necessary, aeration regulation balance tank external and internal pressure plays safety effect to oil tank automatically.
When oil-air pressure in the jar during greater than the oil tank authorized pressure, oil vapor escapes through pressure valve, and this moment, vacuum valve was in closed condition; When oil-air pressure in the jar allowed degree of vacuum less than oil tank, fresh air got in the jar through vacuum valve, and this moment, pressure valve was in closed condition, and authorized pressure (or vacuum pressure) leans on the weight of adjustment disk to control.
Inhalation valve can not only be kept the storage tank air pressure balance, guarantees that storage tank rabbit when superpressure or vacuum goes to pot, and can reduce the volatilization and the loss of jar interior medium, satisfies the ventilation requirement that the storage tank size is breathed.
Simultaneously, NBS has regulation in addition, and the fixed tank that promptly stores fuel oil liquid should be provided with flame trap and inhalation valve, and visible inhalation valve, flame trap are the indispensable safety installations of storage tank.But mostly present inhalation valve or flame trap are the simple function parts; Or it is also bulky promptly to integrator the formula structure, and the diffusing dish phenomenon of back-fire relief element and inhalation valve disengaging very easily takes place simultaneously.
The model utility content
The utility model provides a kind of fire-retardant breather valve to the drawback of existing technology.
The described fire-retardant breather valve of the utility model; Comprise valve gap and the valve body of forming by the vacuum valve of the pressure valve on top and bottom; Said pressure valve has expiratory port; Said vacuum valve has suction port, said expiratory port or suction port one of them is connected with adapter at least, said adapter end is provided with adpting flange; Be provided with fire retardant device in said valve body bottom.
In the described fire-retardant breather valve of the utility model, said valve gap center is provided with valve rod, and the end that this valve rod stretches in the valve body is respectively arranged with malleation valve block and negative pressure valve block;
Wherein, said malleation valve block is positioned at pressure valve, and said negative pressure valve block is positioned at vacuum valve; And be provided with between said malleation valve block and the valve gap and between negative pressure valve block and the valve body and lead the static line.
In the described fire-retardant breather valve of the utility model, said expiratory port is connected with to breathe out and takes over, and said exhalation is taken over the end and is provided with adpting flange.
In the described fire-retardant breather valve of the utility model, said suction port is connected with suction connection, and said suction connection end is provided with adpting flange.
In the described fire-retardant breather valve of the utility model, said expiratory port is connected with to breathe out and takes over, and said exhalation is taken over the end and is provided with adpting flange; Said suction port is connected with suction connection, and said suction connection end is provided with adpting flange.
In the described fire-retardant breather valve of the utility model, said fire retardant device comprises and the bolted back-fire relief pedestal of valve body, and two back-fire relief caskets that subtend is provided with in the back-fire relief pedestal, is coated with the back-fire relief dish between these two back-fire relief caskets.
In the described fire-retardant breather valve of the utility model, the surface of contact place of said two back-fire relief caskets is provided with cushion pad.
In the described fire-retardant breather valve of the utility model; The end face of one of them the back-fire relief casket in said two back-fire relief caskets is a ladder platform shape; The end face of said another back-fire relief casket has flange, and said another back-fire relief casket cooperates with the ladder platform of the end face of said one of them back-fire relief casket with the flange of its end face and realizes two back-fire relief caskets butt joints.
In the described fire-retardant breather valve of the utility model, inhalation valve and fire retardant device are united two into one, stopped incident diffusing dish phenomenon in the existing technology, and can obtain better sealability.
Description of drawings
Fig. 1 is the structural representation that fire-retardant breather valve is taken in the said band exhalation of the utility model;
Fig. 2 is the structural representation of the said band suction connection of the utility model fire-retardant breather valve;
Fig. 3 is the two structural representations of taking over fire-retardant breather valve of the said band of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further detailed description, can implement according to this with reference to the specification literal to make those skilled in the art.
As shown in Figure 1; The described fire-retardant breather valve of the utility model; Comprise valve gap 1 and the valve body of being made up of the vacuum valve 3 of the pressure valve 2 on top and bottom, said pressure valve 2 has expiratory port 4, and said vacuum valve 3 has suction port 5; Said expiratory port 4 or suction port 5 one of them is connected with adapter at least, said adapter end is provided with adpting flange; Be provided with fire retardant device in said valve body bottom.
In the described fire-retardant breather valve of the utility model, said valve gap 1 center is provided with valve rod 9, and the end that this valve rod 9 stretches in the valve body is respectively arranged with malleation valve block 7 and negative pressure valve block 8;
Wherein, said malleation valve block 7 is positioned at pressure valve 2, and said negative pressure valve block 8 is positioned at vacuum valve 3; And be provided with between said malleation valve block 7 and the valve gap 1 and between negative pressure valve block 8 and the valve body and lead static line 6.
Particularly, as shown in Figure 1, in band was breathed out the adapter fire-retardant breather valve, said expiratory port 4 is connected with to breathe out took over 11, and said exhalation is taken over 11 ends and is provided with adpting flange 12.This exhalation adapter 11 and adpting flange 12 can install by external other, play the secondary recycling that the toxic gas of breathing out in the recycling can perhaps prevents other gases, for environmental protection good effect are arranged.
Perhaps, as shown in Figure 2, in said band suction connection fire-retardant breather valve, suction port 5 is connected with suction connection 13, and said suction connection 13 ends are provided with adpting flange 14.This suction connection 13 and adpting flange 14 can external other devices, so that replenish a nitrogen in giving jar, seal volatile gas in the jar up for safekeeping with nitrogen, not only environmental protection but also replenished negative pressure for tank body.
Perhaps, as shown in Figure 3, in the two adapter of said band fire-retardant breather valve, expiratory port 4 is connected with to breathe out takes over 11, and said exhalation is taken over 11 ends and is provided with adpting flange 12; Simultaneously, be connected with suction connection 13 at said suction port 5, said suction connection 13 ends are provided with adpting flange 14.
Like Fig. 1, Fig. 2, shown in Figure 3, in the utility model, said fire retardant device comprises and the bolted back-fire relief pedestal 17 of valve body, and two back-fire relief caskets 15 that subtend is provided with in the back-fire relief pedestal 17, is coated with back-fire relief dish 16 between these two back-fire relief caskets.The surface of contact place of said two back-fire relief caskets can also further be provided with cushion pad.Wherein, The end face of one of them the back-fire relief casket in said two back-fire relief caskets is a ladder platform shape; The end face of said another back-fire relief casket has flange, and said another back-fire relief casket cooperates with the ladder platform of the end face of said one of them back-fire relief casket with the flange of its end face and realizes two back-fire relief caskets butt joints.The said structure Throughput that adopts in the utility model is big, and it is convenient with maintenance to change the back-fire relief dish.When maintenance; Only need the bolt between back-fire relief pedestal and the valve body is unclamped; Just can clean or change the back-fire relief dish, replace the little structure of back-fire relief dish Throughput in the existing structure, overcome in the existing technology that the back-fire relief dish is welded on the valve body and the shortcoming that can't change and clean the back-fire relief dish.Simultaneously, adopt the structure of valve body and fire retardant device two-in-one, also stopped incident diffusing dish phenomenon in the existing technology, and can obtain better sealability.
In the described fire-retardant breather valve of the utility model; The control of valve block is improved to dead-weight by spring; Promptly regulate authorized pressure through the weight that changes valve block; Overcome the hidden danger that the spring regulative mode brings, can not take place malfunctioning and rust dead, thereby cause valve block stuck and quick-fried jar or flat jar of phenomenon take place; Simultaneously, what between valve block and valve gap or valve body, be provided with leads the equipotential that the static line also can guarantee valve block and valve body, has avoided the generation of discharge even fire.Said pressure valve and vacuum valve cavity unite two into one; Be convenient to maintenance more or change element in the valve; When maintenance; Only need valve gap is just opened and can malleation valve block or negative pressure valve block be taken out, and must pressure valve and vacuum valve decomposition just can be carried out needn't or change in the valve element like maintenance in the existing technology time.
Although the embodiment of the utility model is open as above; But it is not restricted to listed utilization in specification and the mode of execution; It can be applied to the field of various suitable the utility model fully, for being familiar with those skilled in the art, can easily realize other modification; Therefore under the universal that does not deviate from claim and equivalency range and limited, the legend that the utility model is not limited to specific details and illustrates here and describe.
Claims (8)
1. fire-retardant breather valve; Comprise valve gap and the valve body of forming by the vacuum valve of the pressure valve on top and bottom; Said pressure valve has expiratory port, and said vacuum valve has suction port, it is characterized in that; Said expiratory port or suction port one of them is connected with adapter at least, said adapter end is provided with adpting flange; Be provided with fire retardant device in said valve body bottom.
2. fire-retardant breather valve as claimed in claim 1 is characterized in that, said valve gap center is provided with valve rod, and the end that this valve rod stretches in the valve body is respectively arranged with malleation valve block and negative pressure valve block;
Wherein, said malleation valve block is positioned at pressure valve, and said negative pressure valve block is positioned at vacuum valve; And be provided with between said malleation valve block and the valve gap and between negative pressure valve block and the valve body and lead the static line.
3. fire-retardant breather valve as claimed in claim 2 is characterized in that, said expiratory port is connected with to breathe out and takes over, and said exhalation is taken over the end and is provided with adpting flange.
4. fire-retardant breather valve as claimed in claim 2 is characterized in that said suction port is connected with suction connection, and said suction connection end is provided with adpting flange.
5. fire-retardant breather valve as claimed in claim 2 is characterized in that, said expiratory port is connected with to breathe out and takes over, and said exhalation is taken over the end and is provided with adpting flange; Said suction port is connected with suction connection, and said suction connection end is provided with adpting flange.
6. fire-retardant breather valve as claimed in claim 2 is characterized in that, said fire retardant device comprises and the bolted back-fire relief pedestal of valve body, and two back-fire relief caskets that subtend is provided with in the back-fire relief pedestal, is coated with the back-fire relief dish between these two back-fire relief caskets.
7. fire-retardant breather valve as claimed in claim 6 is characterized in that, the surface of contact place of said two back-fire relief caskets is provided with cushion pad.
8. fire-retardant breather valve as claimed in claim 6; It is characterized in that; The end face of one of them the back-fire relief casket in said two back-fire relief caskets is a ladder platform shape; The end face of said another back-fire relief casket has flange, and said another back-fire relief casket cooperates with the ladder platform of the end face of said one of them back-fire relief casket with the flange of its end face and realizes two back-fire relief caskets butt joints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203005032U CN202252199U (en) | 2011-08-18 | 2011-08-18 | Fire-resistant respiration valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203005032U CN202252199U (en) | 2011-08-18 | 2011-08-18 | Fire-resistant respiration valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202252199U true CN202252199U (en) | 2012-05-30 |
Family
ID=46113442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203005032U Expired - Fee Related CN202252199U (en) | 2011-08-18 | 2011-08-18 | Fire-resistant respiration valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202252199U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969180A (en) * | 2017-05-18 | 2017-07-21 | 盐城欧润石化设备制造有限公司 | A kind of filter of breather valve |
| CN109237088A (en) * | 2018-11-09 | 2019-01-18 | 优必得石油设备(苏州)有限公司 | It is a kind of to be mounted on pipeline middle part and easy to operate pressure vacuum valve |
| CN114427618A (en) * | 2020-09-23 | 2022-05-03 | 中国石油化工股份有限公司 | All-weather burning-resistant breather valve device |
| CN114427617A (en) * | 2020-09-23 | 2022-05-03 | 中国石油化工股份有限公司 | Integrated burning-resistant breather valve device |
-
2011
- 2011-08-18 CN CN2011203005032U patent/CN202252199U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969180A (en) * | 2017-05-18 | 2017-07-21 | 盐城欧润石化设备制造有限公司 | A kind of filter of breather valve |
| CN109237088A (en) * | 2018-11-09 | 2019-01-18 | 优必得石油设备(苏州)有限公司 | It is a kind of to be mounted on pipeline middle part and easy to operate pressure vacuum valve |
| CN114427618A (en) * | 2020-09-23 | 2022-05-03 | 中国石油化工股份有限公司 | All-weather burning-resistant breather valve device |
| CN114427617A (en) * | 2020-09-23 | 2022-05-03 | 中国石油化工股份有限公司 | Integrated burning-resistant breather valve device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20150818 |
|
| EXPY | Termination of patent right or utility model |