CN214789334U - Nitrogen discharge valve for strong corrosion medium storage tank - Google Patents
Nitrogen discharge valve for strong corrosion medium storage tank Download PDFInfo
- Publication number
- CN214789334U CN214789334U CN202023180364.2U CN202023180364U CN214789334U CN 214789334 U CN214789334 U CN 214789334U CN 202023180364 U CN202023180364 U CN 202023180364U CN 214789334 U CN214789334 U CN 214789334U
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- China
- Prior art keywords
- valve
- cavity
- storage tank
- medium storage
- flow channel
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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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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 16
- 238000005260 corrosion Methods 0.000 title claims description 15
- 230000007797 corrosion Effects 0.000 title claims description 12
- 239000012528 membrane Substances 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 description 10
- 230000033001 locomotion Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Valve Housings (AREA)
Abstract
The utility model relates to the technical field of valves, particularly to strong corrosive medium storage tank lets out nitrogen valve. The utility model provides a strong corrosive medium storage tank lets out nitrogen valve, includes the valve body, the case, the valve rod, on-off control system, the valve body include first runner chamber and second runner chamber, first runner chamber and second runner chamber intercommunication department be equipped with the case, the case be connected with the one end of valve rod, on-off control system include upper membrane lid, diaphragm and lower membrane lid, upper membrane lid and diaphragm between form the upper chamber body, diaphragm and lower membrane lid form lower cavity, lower cavity with first runner chamber intercommunication, the below fixedly connected with of diaphragm pressure board down, the other end and the pressure board down of valve rod be connected. The utility model has the advantages of the precision is high, and the flow resistance is little be difficult for revealing, and is with low costs.
Description
Technical Field
The utility model relates to the technical field of valves, particularly to strong corrosive medium storage tank lets out nitrogen valve.
Background
At present, the valve is an indispensable part for controlling the flow of toxic, harmful and strong corrosive media in chemical equipment and pipelines of chemical enterprises, and is mainly completed by manual operation at present. In recent years, chemical engineering is rapidly developed, pressure detection and electromagnetic control are mostly adopted in the existing valve, but the structure has the defects of high cost and low durability, and the mechanical structure is adopted, so that the flow cannot be accurately controlled, and the leakage is easy to occur, so that a strong corrosion medium storage tank nitrogen leakage valve which is high in precision, small in flow resistance, difficult to leak and low in cost is needed at present.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, a precision height is provided, the flow resistance is little be difficult for revealing, and the strong corrosion medium storage tank nitrogen release valve with low costs is corroded, the utility model discloses a following technical scheme.
The utility model provides a strong corrosive medium storage tank lets out nitrogen valve, includes the valve body, the case, the valve rod, on-off control system, the valve body include first runner chamber and second runner chamber, first runner chamber and second runner chamber intercommunication department be equipped with the case, the case be connected with the one end of valve rod, on-off control system include upper membrane lid, diaphragm and lower membrane lid, upper membrane lid and diaphragm between form the upper chamber body, diaphragm and lower membrane lid form lower cavity, lower cavity with first runner chamber intercommunication, the below fixedly connected with of diaphragm pressure board down, the other end and the pressure board down of valve rod be connected.
The utility model discloses in the use, gaseous from the external world flow in first runner intracavity, cavity under getting into through first runner chamber afterwards to make the internal pressure increase of cavity of resorption, along with the internal pressure increase of cavity of resorption, diaphragm upward movement drives holding down plate upward movement, thereby makes the case break away from the junction in first runner chamber and second runner chamber, and gaseous this moment gets into the second runner chamber through first runner chamber in, the valve is opened, the utility model discloses an opening and shutting of this mode control flap helps reduce cost, and through atmospheric pressure control, exceeds the setting value when atmospheric pressure, and the valve will be opened, has the precision height, and the little advantage of flow resistance, and the condition of not revealing takes place.
Preferably, the switch control system further comprises a pressure regulating system, wherein the pressure regulating system comprises an upper pressure plate, a spring and an adjustable spring seat, the upper pressure plate is located in the upper cavity and located above the diaphragm, the upper pressure plate is connected with one end of the spring, and the other end of the spring is connected with the adjustable spring seat.
Preferably, the adjustable spring seat comprises a spring seat plate and an adjusting nut, and the spring seat plate is connected with the adjusting nut.
The utility model discloses a pressure regulating system can adjust spring's shrink degree through adjusting nut to change the required pressure of diaphragm motion, have simple easily operation, it is convenient to adjust, advantage that the precision is high.
Preferably, the valve rod is sleeved with a guide sleeve, and the guide sleeve is provided with a plurality of through holes.
Can restrict the movement track of valve rod through the uide bushing, improve the utility model discloses a stability of use can realize the intercommunication of first flow path chamber and lower cavity through the through-hole simultaneously, has simple structure, advantage that stability is high.
Preferably, a first lug and a second lug are arranged at the communication position of the first flow passage cavity and the second flow passage cavity, and the valve core is in contact sealing with the first lug and the second lug.
The utility model discloses a structure of first lug and second lug, the utility model discloses a first lug and second lug adopt the tetrafluoro material, can strengthen the utility model discloses a leakproofness to reduce the risk of revealing.
Preferably, a hollow cavity is arranged in the second bump.
The utility model discloses a hollow structure of second lug, the case is pressed on first lug and second lug in sealed process, and the second lug is because hollow structure, and the tetrafluoro material is comparatively soft, can take place deformation for case and first lug, second lug have better laminating nature.
Preferably, the inner side of the valve body is provided with an anti-corrosion lining.
The utility model discloses a corrosion-resistant inside lining can improve well the utility model discloses a sealing performance and life prevent the utility model discloses produce the crack under strong corrosive gas's effect, influence the sealing performance of product.
The beneficial effects of the utility model reside in that: the utility model has the advantages of the precision is high, and the flow resistance is little be difficult for revealing, and is with low costs.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the following embodiments.
Example 1
A nitrogen release valve of a strong corrosion medium storage tank comprises a valve body 1, a valve core 2, a valve rod 3 and an on-off control system 4, wherein the valve body 1 comprises a first flow channel cavity 11 and a second flow channel cavity 12, the first flow channel cavity 11 is communicated with the second flow channel cavity 12, the valve core 2 is arranged at the communication position of the first flow channel cavity 11 and the second flow channel cavity 12, the valve core 2 is connected with one end of the valve rod 3, the on-off control system 4 comprises an upper membrane cover 41, a membrane 42 and a lower membrane cover 43, an upper cavity 5 is formed between the upper membrane cover 41 and the membrane 42, the membrane 42 and the lower membrane cover 43 form a lower cavity 6, the lower cavity 6 is communicated with the first flow channel cavity 11, a lower pressure plate 7 is fixedly connected below the membrane 42, and the other end of the valve rod 3 is connected with the lower pressure plate 7. The switch control system 4 further comprises a pressure regulating system 8, the pressure regulating system 8 comprises an upper pressure plate 81, a spring 82 and an adjustable spring seat 83, the upper pressure plate 81 is located in the upper cavity 5 and located above the diaphragm 42, the upper pressure plate 81 is connected with one end of the spring 82, and the other end of the spring 82 is connected with the adjustable spring seat 83. The adjustable spring seat 83 comprises a spring seat plate 831 and an adjusting nut 832, and the spring seat plate 831 is connected with the adjusting nut 832. The valve rod 3 overcoat have a uide bushing 31, uide bushing 31 on be equipped with a plurality of through-hole. A first lug 91 and a second lug 92 are arranged at the communication position of the first flow passage cavity 11 and the second flow passage cavity 12, and the valve core 2 is in contact sealing with the first lug 91 and the second lug 92. A hollow cavity is arranged in the second bump 92. The inner side of the valve body 1 is provided with an anti-corrosion lining.
The utility model discloses in the use, gaseous from the external world flow in first runner chamber 11 in, cavity 6 under getting into through first runner chamber 11 afterwards, thereby make the pressure increase in the cavity 6 down, along with the increase of pressure in cavity 6 down, diaphragm 42 upward movement drives down pressure plate 7 upward movement, thereby makes case 2 break away from the junction of first runner chamber 11 and second runner chamber 12, and gaseous this moment gets into in second runner chamber 12 through first runner chamber 11, and the valve is opened, the utility model discloses an opening and shutting of this mode control flap helps reduce cost, and passes through atmospheric pressure control, and when atmospheric pressure surpasses the setting value, the valve will be opened, has the precision height, and the little advantage of flow resistance, and the condition of not revealing takes place. Moreover, the pressure regulating system 8 is adopted, the contraction degree of the spring 82 can be regulated by regulating the regulating nut 832, so that the pressure required by the movement of the diaphragm 42 is changed, and the pressure regulating system has the advantages of simplicity, easiness in operation, convenience in regulation and high precision.
Claims (7)
1. The utility model provides a strong corrosive medium storage tank lets out nitrogen valve, includes the valve body, case, valve rod, on-off control system, its characterized in that: the valve body comprises a first flow channel cavity and a second flow channel cavity, the first flow channel cavity is communicated with the second flow channel cavity, a valve core is arranged at the communication position of the first flow channel cavity and the second flow channel cavity, the valve core is connected with one end of the valve rod, the switch control system comprises an upper membrane cover, a membrane and a lower membrane cover, an upper cavity is formed between the upper membrane cover and the membrane, a lower cavity is formed between the membrane and the lower membrane cover, the lower cavity is communicated with the first flow channel cavity, a lower pressure plate is fixedly connected below the membrane, and the other end of the valve rod is connected with the lower pressure plate.
2. The strong corrosion medium storage tank nitrogen release valve of claim 1, characterized in that: the switch control system further comprises a pressure adjusting system, the pressure adjusting system comprises an upper pressure plate, a spring and an adjustable spring seat, the upper pressure plate is located in the upper cavity and located above the diaphragm, the upper pressure plate is connected with one end of the spring, and the other end of the spring is connected with the adjustable spring seat.
3. The strong corrosion medium storage tank nitrogen release valve of claim 2, characterized in that: the adjustable spring seat comprises a spring seat plate and an adjusting nut, and the spring seat plate is connected with the adjusting nut.
4. The strong corrosion medium storage tank nitrogen release valve of claim 3, characterized in that: the valve rod is sleeved with a guide sleeve, and the guide sleeve is provided with a plurality of through holes.
5. The strong corrosion medium storage tank nitrogen release valve of claim 4, characterized in that: the connection part of the first flow channel cavity and the second flow channel cavity is provided with a first lug and a second lug, and the valve core is in contact sealing with the first lug and the second lug.
6. The strong corrosion medium storage tank nitrogen release valve of claim 5, characterized in that: the second bump is internally provided with a hollow cavity.
7. The strong corrosion medium storage tank nitrogen release valve of claim 6, characterized in that: the inner side of the valve body is provided with an anti-corrosion lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023180364.2U CN214789334U (en) | 2020-12-25 | 2020-12-25 | Nitrogen discharge valve for strong corrosion medium storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023180364.2U CN214789334U (en) | 2020-12-25 | 2020-12-25 | Nitrogen discharge valve for strong corrosion medium storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214789334U true CN214789334U (en) | 2021-11-19 |
Family
ID=78720549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023180364.2U Expired - Fee Related CN214789334U (en) | 2020-12-25 | 2020-12-25 | Nitrogen discharge valve for strong corrosion medium storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214789334U (en) |
-
2020
- 2020-12-25 CN CN202023180364.2U patent/CN214789334U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |