CN207880137U - A kind of anti-freeze type valve disc valve seat construction and apply its breather valve - Google Patents
A kind of anti-freeze type valve disc valve seat construction and apply its breather valve Download PDFInfo
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- CN207880137U CN207880137U CN201820214738.1U CN201820214738U CN207880137U CN 207880137 U CN207880137 U CN 207880137U CN 201820214738 U CN201820214738 U CN 201820214738U CN 207880137 U CN207880137 U CN 207880137U
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Abstract
The utility model discloses a kind of anti-freeze type valve disc valve seat construction and its breather valve is applied, is related to breather valve technical field.The utility model includes valve disc component and valve seat, the valve disc component lid is located on valve seat, one is formed about at the sealed connection of the valve disc component and valve seat to communicate with tank inside and the annular space of top seal, the valve seat or valve disc component is equipped with an air storage chamber, the air storage chamber is equipped with air inlet to be connected to nitrogen inlet, and air storage chamber is equipped with the gas outlet communicated with above-mentioned annular space.A kind of anti-freeze type valve disc valve seat construction of the utility model, the water vapour and material steam that are easily solidified in the annular space between valve disc component and valve seat are replaced by nitrogen, make no water vapour and material steam condensation at the sealed connection of valve disc component and valve seat, thoroughly solves the frost adhesion problem between valve disc valve seat, to the normal work for the valve that ensures respiration.
Description
Technical field
The utility model is related to breather valve technical field, more specifically to a kind of anti-freeze type valve disc valve seat construction and
Using its breather valve.
Background technology
Breather valve is to safeguard that cartridge gas pressure balances, and reduces the energy-saving safe product of medium volatilization, breather valve makes full use of storage
The bearing capacity of tank itself reduces media discharge, and principle is to control the row of storage tank using the weight of positive/negative-pressure valve disc component
Gas positive pressure and intake negative-pressure；When extracting medium out outside toward tank, so that the pressure of the tank internal upper part gas compartment is declined, reach the behaviour of breather valve
When making negative pressure, the air outside tank is open-top by the negative pressure valve disc component of open-top breather valve, so that ambient atmos is entered in tank, makes in tank
Pressure does not continue to decline, allow in tank with the air pressure balance outside tank, to protect the safety device of storage tank.
Currently, storage tank is in winter in use, the material steam in water vapour and tank can enter mechanical breather valve, in valve disc valve
Frosting occurs between seat, freezes, valve disc can not be opened after being frozen in, cause breather valve functional failure, lose respiration, work as storage
When tank is more than certain positive pressure or range of negative pressure, the failure of breather valve can make storage tank, and there are great security risks.
It is existing that application No. is the utility model patent of CN201020511898.6, authorized announcement date is on March 30th, 2011,
Utility model is entitled：A kind of anti-freezing device for hydraulic breather valve of crude oil storage tank.This application includes storage tank hydraulic respiratory valve,
The condensation tube of installation aluminum, condensation tube are equipped with mounting hole in the respiration channel of crude oil storage tank hydraulic respiratory valve, condense drum outer wall
It is affixed with respiration channel inner wall, length is suitable with respiration channel, and axis both ends are fixed on condensation barrel, and axis is fixed equipped with axis
End.Vapor is solidified when passing through condensation tube, but vapor still may escape between condensation tube and spherical impeller
It is solidified at valve disc, therefore this application is only capable of mitigating icing phenomenon of the vapor at valve disc valve seat to a certain extent, and cannot be thorough
Bottom solves the problems, such as freezing for valve disc valve base chamber.
Invention content
1. utility model technical problems to be solved
The purpose of the utility model is to overcome the deficiencies easily to freeze between valve disc valve seat existing for existing breather valve, carry
For a kind of anti-freeze type valve disc valve seat construction.Using the technical solution of the utility model, valve disc component and valve seat are replaced by nitrogen
Between annular space in the water vapour and material steam that easily condense, so that no water at the sealed connection of valve disc component and valve seat is steamed
Vapour and material steam condensation, thoroughly solve the frost adhesion problem between valve disc valve seat, to the normal work for the valve that ensures respiration
Make.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model is：
A kind of anti-freeze type valve disc valve seat construction of the utility model, including valve disc component and valve seat, the valve disc component
Lid be located on valve seat, be formed about at the sealed connection of the valve disc component and valve seat one communicated with tank inside and top envelope
The annular space closed, the valve seat or valve disc component be equipped with an air storage chamber, the air storage chamber be equipped with air inlet with
Nitrogen inlet is connected to, and air storage chamber is equipped with the gas outlet communicated with above-mentioned annular space.
Further, the air storage chamber is set on valve seat.
Further, the air storage chamber is loop configuration.
A kind of anti-freeze type breather valve of the utility model, including valve body, positive pressure valve arrangement and negative pressure valve arrangement, it is described just
Valve structure includes that the positive pressure valve seat being fixedly arranged on valve body is located at the positive pressure valve disc component on positive pressure valve seat, and positive pressure valve disc with lid
It is formed about first inside of the bottom of component towards valve body, the positive pressure valve seat and the sealed connection of positive pressure valve disc component
Annular space, the first annular space are communicated with the inside of valve body, and the top of the positive pressure valve seat is equipped with the first air storage chamber, institute
The first air storage chamber stated is equipped with the air inlet being connected to nitrogen inlet and the gas outlet communicated with first annular space；Described
Negative pressure valve arrangement includes the negative pressure valve seat being fixedly arranged on valve body and lid is located at the negative pressure valve disc component on negative pressure valve seat, and negative pressure valve
Inside of the top of disk component towards valve body is formed about the at the sealed connection of the negative pressure valve seat and negative pressure valve disc component
Second ring space, second annular space are communicated with the inside of valve body, and the top of the negative pressure valve seat is equipped with the second air storage chamber,
Second air storage chamber is equipped with the air inlet being connected to nitrogen inlet and the gas outlet communicated with the second annular space.
Further, shape between the inner wall top and the cylindrical end tangs of positive pressure valve disc component bottom of the positive pressure valve seat
At first annular space.
Further, the surrounding of the negative pressure valve disc component is turned over downwards to form rib to prevent the second annular space
Interior nitrogen spreads effusion around.
Further, first air storage chamber and the second air storage chamber are loop configuration.
Further, the bottom of the valve body is provided with flange.
3. advantageous effect
It is had the advantages that compared with existing known technology using technical solution provided by the utility model：
(1) a kind of anti-freeze type valve disc valve seat construction of the utility model is replaced by nitrogen between valve disc component and valve seat
Annular space in the water vapour and material steam that easily condense, make at the sealed connection of valve disc component and valve seat no water vapour and
Material steam condenses, and thoroughly solves the frost adhesion problem between valve disc valve seat, to the normal work for the valve that ensures respiration.
(2) a kind of anti-freeze type breather valve of the utility model, the annular space formed between valve seat and valve disc component compared with
It is small, and nitrogen pressure is minute-pressure, so the influence to the pressure set points of valve disc can be ignored.
(3) a kind of anti-freeze type breather valve of the utility model, the surrounding of negative pressure valve disc component are turned over downwards to form rib,
To prevent the nitrogen in the second annular space from spreading effusion around, gather effect with certain.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of anti-freeze type breather valve of the utility model；
Fig. 2 is the structural schematic diagram of the positive pressure valve arrangement of the utility model；
Fig. 3 is the structural schematic diagram of the negative pressure valve arrangement of the utility model.
Label declaration in schematic diagram：
1, valve body；2, positive pressure valve arrangement；21, positive pressure valve disc component；211, boss；22, positive pressure valve seat；23, the first gas storage
Room；24, first annular space；3, negative pressure valve arrangement；31, negative pressure valve disc component；32, negative pressure valve seat；33, the second air storage chamber；34、
Second annular space；4, flange.
Specific implementation mode
To further appreciate that the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
A kind of anti-freeze type valve disc valve seat construction of the present embodiment, including valve disc and valve seat, valve disc lid are located on valve seat, valve disc
It communicates with tank inside and the annular space of top seal with being formed about one at the sealed connection of valve seat, is set on valve seat or valve disc
There is an air storage chamber, air storage chamber is equipped with air inlet to be connected to nitrogen inlet, and air storage chamber is equipped with and above-mentioned annular space phase
Logical gas outlet, gas outlet are arranged near annular space.Preferably, air storage chamber is set on valve seat, and air storage chamber uses
Loop configuration is preferred.
A kind of anti-freeze type breather valve of the present embodiment combined with Figure 1 and Figure 2, including valve body 1, positive pressure valve arrangement 2 and negative pressure valve
Structure 3.Positive pressure valve arrangement 2 includes that the positive pressure valve seat 22 being fixedly arranged on valve body 1 is located at the positive pressure valve disc on positive pressure valve seat 22 with lid
Component 21, and inside of the bottom towards valve body 1 of positive pressure valve disc component 21, the sealing of positive pressure valve seat 22 and positive pressure valve disc component 21
Junction is formed about first annular space 24, which communicates with the inside of valve body 1, specifically, positive valve
At the top of the inner wall of seat 22 first annular space 24 is formed between the cylindrical end tangs 211 of 21 bottom of positive pressure valve disc component.Positive valve
The top of seat 22 is equipped with the first air storage chamber 23, the first air storage chamber 23 be equipped with the air inlet that is connected to nitrogen inlet and with the first ring
The gas outlet that shape space 24 communicates.
In conjunction with Fig. 1 and Fig. 3, negative pressure valve arrangement 3 includes that the negative pressure valve seat 32 being fixedly arranged on valve body 1 and lid are located at negative pressure valve seat
Negative pressure valve disc component 31 on 32, and inside of the top towards valve body 1 of negative pressure valve disc component 31, negative pressure valve seat 32 and negative pressure valve
The second annular space 34 is formed about at the sealed connection of disk component 31, which communicates with the inside of valve body 1.
The top of negative pressure valve seat 32 is equipped with the second air storage chamber 33, the second air storage chamber 33 be equipped with the air inlet that is connected to nitrogen inlet and with
The gas outlet that second annular space 34 communicates.More specifically, the surrounding of negative pressure valve disc component 31 be turned over downwards to be formed rib to prevent
Only the nitrogen in the second annular space 34 spreads effusion around.
Preferably, first air storage chamber 23 of the present embodiment and the second air storage chamber 33 are loop configuration.In addition, valve body 1
Bottom is provided with flange 4, is connected in order to be installed with storage tank.
The present embodiment in order to better understand is briefly described the operation principle of the present embodiment in conjunction with Fig. 1~Fig. 3.
Positive pressure valve arrangement：Nitrogen inlet inputs trace nitrogen gas from air inlet to the first air storage chamber 23, and then nitrogen is via going out
Gas port enters the first annular space 24 formed between positive pressure valve seat 22 and positive pressure valve disc component 21, will be in first annular space 24
Material steam and water vapour etc. be pressed down against, keep full of clean nitrogen in first annular space 24, so positive pressure valve seat
22 will not freeze at the sealed connection of positive pressure valve disc component 21 there is a phenomenon where water vapour solidifies.When tank inner pressure is more than just
When the weight of pressure valve disk component 21, positive pressure valve disc component 21 moves upwards, and is detached with positive pressure valve seat 22, realizes pressure release；Pressure release is complete
Cheng Hou, tank inner pressure reduce, and positive pressure valve disc component 21 is fallen after rise downwards, and are sealed with 22 top of positive pressure valve seat.
Negative pressure valve arrangement：Nitrogen inlet inputs trace nitrogen gas from air inlet to the second air storage chamber 33, and then nitrogen is via going out
Gas port enters the second annular space 34 formed between negative pressure valve seat 32 and negative pressure valve disc component 31, will be in the second annular space 34
Material steam and water vapour squeeze out outward, keep full of clean nitrogen in the second annular space 34, so negative pressure valve seat 32
It will not freeze there is a phenomenon where water vapour solidifies at sealed connection with negative pressure valve disc component 31.When in storage tank be negative pressure, and store up
When tank inside and outside differential pressure is more than the weight of negative pressure valve disc component 31, negative pressure valve disc component 31 moves upwards, and is detached with negative pressure valve seat 32,
Realize pressure release；After the completion of pressure release, tank inner pressure reduces, and negative pressure valve disc component 31 is fallen after rise downwards, and with the top of negative pressure valve seat 32
Sealing.
A kind of anti-freeze type valve disc valve seat construction of the utility model replaces the ring between valve disc component and valve seat by nitrogen
The water vapour and material steam easily condensed in shape space makes no water vapour and material at the sealed connection of valve disc component and valve seat
Steam condensation thoroughly solves the frost adhesion problem between valve disc valve seat, to the normal work for the valve that ensures respiration.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in also be the utility model one of embodiment, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, without creatively designing
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (8)
1. a kind of anti-freeze type valve disc valve seat construction, including valve disc component and valve seat, the valve disc component lid is located on valve seat,
It is characterized in that：One is formed about at the sealed connection of the valve disc component and valve seat to communicate with tank inside and top seal
Annular space, the valve seat or valve disc component be equipped with an air storage chamber, the air storage chamber be equipped with air inlet with nitrogen
Inlet pipe is connected to, and air storage chamber is equipped with the gas outlet communicated with above-mentioned annular space.
2. a kind of anti-freeze type valve disc valve seat construction according to claim 1, it is characterised in that：The air storage chamber is set to
On valve seat.
3. a kind of anti-freeze type valve disc valve seat construction according to claim 2, it is characterised in that：The air storage chamber is annular
Structure.
4. a kind of anti-freeze type breather valve, including valve body (1), positive pressure valve arrangement (2) and negative pressure valve arrangement (3), it is characterised in that：Institute
The positive pressure valve arrangement (2) stated includes that the positive pressure valve seat (22) being fixedly arranged on valve body (1) and lid are located on positive pressure valve seat (22) just
Pressure valve disk component (21), and inside of the bottom towards valve body (1) of positive pressure valve disc component (21), the positive pressure valve seat (22) with
First annular space (24) is formed about at the sealed connection of positive pressure valve disc component (21), the first annular space (24) and valve body
(1) inside communicates, and the top of the positive pressure valve seat (22) is equipped with the first air storage chamber (23), first air storage chamber (23)
It is equipped with the air inlet being connected to nitrogen inlet and the gas outlet communicated with first annular space (24)；The negative pressure valve arrangement
(3) it is located at the negative pressure valve disc component (31) on negative pressure valve seat (32) including the negative pressure valve seat (32) being fixedly arranged on valve body (1) and lid,
And inside of the top towards valve body (1) of negative pressure valve disc component (31), the negative pressure valve seat (32) and negative pressure valve disc component
(31) the second annular space (34) is formed about at sealed connection, the inside phase of second annular space (34) and valve body (1)
Logical, the top of the negative pressure valve seat (32) is equipped with the second air storage chamber (33), and second air storage chamber (33) is equipped with and nitrogen
The air inlet of gas inlet pipe connection and the gas outlet communicated with the second annular space (34).
5. a kind of anti-freeze type breather valve according to claim 4, it is characterised in that：The inner wall of the positive pressure valve seat (22)
First annular space (24) is formed between top and the cylindrical end tangs (211) of positive pressure valve disc component (21) bottom.
6. a kind of anti-freeze type breather valve according to claim 4, it is characterised in that：The negative pressure valve disc component (31)
Surrounding is turned over downwards to form rib to prevent the nitrogen in the second annular space (34) from spreading effusion around.
7. a kind of anti-freeze type breather valve according to claim 4 or 5 or described in 6, it is characterised in that：First air storage chamber
(23) and the second air storage chamber (33) is loop configuration.
8. a kind of anti-freeze type breather valve according to claim 7, it is characterised in that：The bottom of the valve body (1) is arranged
There is flange (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820214738.1U CN207880137U (en) | 2018-02-07 | 2018-02-07 | A kind of anti-freeze type valve disc valve seat construction and apply its breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820214738.1U CN207880137U (en) | 2018-02-07 | 2018-02-07 | A kind of anti-freeze type valve disc valve seat construction and apply its breather valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207880137U true CN207880137U (en) | 2018-09-18 |
Family
ID=63510214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820214738.1U Active CN207880137U (en) | 2018-02-07 | 2018-02-07 | A kind of anti-freeze type valve disc valve seat construction and apply its breather valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207880137U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154102A (en) * | 2021-03-25 | 2021-07-23 | 江苏复森特种阀门有限公司 | Novel breather valve |
-
2018
- 2018-02-07 CN CN201820214738.1U patent/CN207880137U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154102A (en) * | 2021-03-25 | 2021-07-23 | 江苏复森特种阀门有限公司 | Novel breather valve |
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