CN220378926U - Ball valve for hydrogenation station with multiple sealing structures - Google Patents
Ball valve for hydrogenation station with multiple sealing structures Download PDFInfo
- Publication number
- CN220378926U CN220378926U CN202321748757.XU CN202321748757U CN220378926U CN 220378926 U CN220378926 U CN 220378926U CN 202321748757 U CN202321748757 U CN 202321748757U CN 220378926 U CN220378926 U CN 220378926U
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- CN
- China
- Prior art keywords
- valve
- ball
- valve rod
- valve body
- rod
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- 238000007789 sealing Methods 0.000 title claims abstract description 36
- 238000005984 hydrogenation reaction Methods 0.000 title claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000001257 hydrogen Substances 0.000 claims abstract description 29
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Taps Or Cocks (AREA)
Abstract
The utility model discloses a ball valve for a hydrogen adding station with a multiple sealing structure. The technical scheme of the utility model is as follows: the valve body is also inserted with a valve rod capable of driving the valve ball to rotate, the valve body is provided with a bracket capable of being connected with the pneumatic device, a valve rod sleeve and a square sleeve are arranged in the bracket, the valve rod is embedded in the square sleeve, the valve rod is embedded in the middle of the valve body, a valve rod bearing is sleeved on the valve rod, the valve ball is positioned in the center of the valve body and is sleeved with the bottom of the valve rod, the valve rod can drive the valve ball to rotate in the valve body, the valve body is internally provided with a valve seat capable of supporting the valve ball and a valve seat frame for supporting the valve seat, an end nut pushes the valve seat frame and the valve seat to be closely connected with the valve ball, and a bottom cock capable of being abutted against the valve ball is in threaded connection with the bottom of the valve body; and a valve rod main check ring, a valve rod auxiliary check ring and a valve rod sealing ring which are in sealing contact with the valve body are sequentially arranged in the valve rod sealing groove from top to bottom. The scheme provided by the utility model is convenient to detach and replace, has good sealing performance and prevents high-pressure hydrogen from leaking.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a ball valve with a multiple sealing structure for a hydrogen adding station.
Background
At present, in the related equipment of hydrogen transportation system of hydrogenation station, because the ball valve has advantages of quick switching on and shutting down, convenient operation, simple structure, etc., it is widely used. In order to ensure that no internal leakage occurs in the existing ball valve, the ball, namely the closing member, is tightly pressed on the valve seat during installation, the torque is large during opening and closing, the abrasion of the sealing member is large, the service life of the ball valve is short, and the whole ball valve is required to be completely detached for repair and replacement once the existing ball valve fails or needs to be replaced due to aging during use, so that the repair and replacement of the ball valve are difficult to realize under actual working conditions.
Disclosure of Invention
Aiming at the defects existing in the prior art, the main purpose of the utility model is to provide the ball valve for the hydrogenation station, which is convenient to detach and replace, has good sealing performance, can effectively prevent high-pressure hydrogen from leaking and can prevent high-pressure hydrogen from leaking.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hydrogenation station ball valve that possesses multiple seal structure, includes the valve body, be provided with the valve ball in the valve body, the both ends of valve body are provided with air inlet and gas outlet respectively, be provided with hollow passageway on the valve ball, still insert on the valve body and be equipped with the valve rod that can drive valve ball pivoted, be provided with the support that can be connected with pneumatic means on the valve body, be provided with valve rod sleeve and square sleeve in the support, the valve rod inlays and establishes in the square sleeve, the valve rod inlays in the middle of the valve body, the cover is equipped with the valve rod bearing on the valve rod, the valve ball is located the valve body center and cup joints with the bottom of valve rod, the valve rod can drive the valve ball and rotate in the valve body, be provided with the disk seat that can support the valve ball and be used for supporting the disk seat in the valve body, the punishment threaded connection has end nut in air inlet and the gas outlet, end nut promotes valve seat and disk seat and valve ball close joint, the bottom threaded connection of valve body has the bottom that can butt ball; the valve rod is provided with a valve rod sealing groove, a valve rod main check ring, a valve rod auxiliary check ring and a valve rod O-shaped ring which are in sealing contact with the valve body are sequentially arranged in the valve rod sealing groove from top to bottom, two end nut sealing grooves are respectively formed in the end nuts, and an end nut main check ring, an end nut auxiliary check ring, an end nut O-shaped ring and an end nut supporting ring which are in sealing contact with the valve body are sequentially arranged in the end nut sealing groove.
Preferably, a valve rod guide ring sleeved on the valve rod is embedded in the valve body.
Preferably, a valve seat spring is arranged between the end nut and the valve seat frame.
Preferably, a valve seat frame sealing groove is formed in the valve seat frame, and a valve seat frame guide ring, a valve seat frame check ring and a valve seat frame O-shaped ring are sequentially arranged in the valve seat frame sealing groove.
Compared with the prior art, the ball valve has the advantages that when the ball valve is used, the two ends of the end nut are connected with the high-pressure hydrogen pipe with three-quarter pipe diameter, the high-pressure hydrogen with the pressure of 45Mpa is introduced into the high-pressure hydrogen pipe at one end, and the pneumatic device arranged at the top controls the valve ball to rotate so as to control whether the high-pressure hydrogen can pass through. When the ball valve is opened, 45Mpa high-pressure hydrogen enters the end nut from a three-quarter pipe diameter high-pressure hydrogen pipe at one end, passes through a hollow channel in the valve ball, and exits from the other end of the end nut to enter a three-quarter pipe diameter high-pressure hydrogen pipe at the other end, and when the ball valve is closed, the top pneumatic device works to control the valve rod 4 to rotate 90 degrees to drive the valve ball to rotate 90 degrees, so that the solid surface of the valve ball faces the left and right inlets and outlets of the end nut, and hydrogen is prevented from passing through.
The valve rod main check ring, the valve rod auxiliary check ring, the valve rod O-shaped ring and the valve rod guide ring between the valve rod and the valve body play roles in fixing the valve rod and preventing high-pressure hydrogen leakage. The valve seat frame guide ring, the valve seat frame retainer ring and the valve seat frame O-shaped ring between the end nut and the valve seat frame play roles in fixing the valve seat frame and preventing high-pressure hydrogen from leaking from the gap. The end nut primary retainer ring, end nut secondary retainer ring, end nut O-ring, and end nut support ring between the end nut and the valve body function to prevent leakage of hydrogen gas therefrom.
Drawings
Fig. 1 is a schematic structural view of a ball valve for a hydrogen addition station having a multiple seal structure according to the present utility model.
In the figure: 1. a bracket; 2. a valve stem sleeve; 3. a square sleeve; 4. a valve stem; 5. a valve body; 6. a valve rod auxiliary retainer ring; 7. a valve stem O-ring; 8. a valve stem bearing; 9. a valve seat spring; 10. an end nut; 11. an end nut main retainer ring; 12. an end nut auxiliary retainer ring; 13. an end nut O-ring; 14. an end nut support ring; 15. a bottom tap; 16. a valve ball bearing; 17. a valve seat frame guide ring; 18. a valve seat frame retainer ring; 19. valve seat frame O-ring; 20. a valve seat frame; 21. a valve seat; 22. a valve ball; 23. a valve rod main check ring; 24. a valve stem guide ring.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, the ball valve for the hydrogenation station with the multiple sealing structure comprises a valve body 5, wherein a valve ball 22 is arranged in the valve body 5, two ends of the valve body 5 are respectively provided with an air inlet and an air outlet, a hollow channel is arranged on the valve ball 22, a valve seat 21 capable of supporting the valve ball 22 and a valve seat frame 20 for supporting the valve seat 21 are also inserted in the valve body 5, a bracket 1 capable of being connected with a pneumatic device is arranged on the valve body 5, a valve rod sleeve 2 and a square sleeve 3 are arranged in the bracket 1, the valve rod 4 is embedded in the square sleeve 3, the valve rod 4 is embedded in the middle of the valve body 5, a valve rod bearing 8 is sleeved on the valve rod 4, the valve ball 22 is positioned in the center of the valve body 5 and sleeved with the bottom of the valve rod 4, the valve rod 4 can drive the valve ball 22 to rotate in the valve body 5, an end nut 10 is respectively screwed on the air inlet and the air outlet, the end nut 10 pushes the valve seat frame 21 and the valve seat frame 20 for supporting the valve seat 21 to be screwed with the valve seat frame 20, and the valve seat frame 15 can be screwed with the bottom of the valve seat 22 closely connected with the valve seat frame 15; the valve rod 4 is provided with a valve rod sealing groove, a valve rod main check ring 23, a valve rod auxiliary check ring 6 and a valve rod O-shaped ring 7 which are in sealing contact with the valve body 5 are sequentially arranged in the valve rod sealing groove from top to bottom, two end nut sealing grooves are respectively arranged on the end nuts 10, and an end nut main check ring 11, an end nut auxiliary check ring 12, an end nut O-shaped ring 13 and an end nut supporting ring 14 which are in sealing contact with the valve body 5 are sequentially arranged in the end nut sealing grooves.
Preferably, the valve body 5 is embedded with a valve rod guide ring 24 sleeved on the valve rod 4.
Preferably, a valve seat spring 9 is disposed between the end nut 10 and the valve seat frame 20.
Preferably, the valve seat frame 20 is provided with a valve seat frame sealing groove, and the valve seat frame sealing groove is sequentially provided with a valve seat frame guiding ring 17, a valve seat frame check ring 18 and a valve seat frame O-shaped ring 19.
According to the ball valve for the hydrogenation station with the multiple sealing structure, a support 1 is fixed on a valve rod sleeve 2 and a valve body 5, the valve rod sleeve 2 is sleeved outside a square sleeve 3, a pneumatic device is fixed above the support 1 through screws, a valve rod 4 is embedded in the square sleeve 3, the valve rod 4 is embedded in the middle of the valve body 5, a valve rod bearing 8 is propped between the valve rod 4 and the valve body 5, a valve ball 22 is positioned in the center of the valve body 5 and props against the valve rod 4, the valve ball 22 is connected with an inner gap of the valve body 5, a cock 15 at the bottom of the valve body 5 is tightly propped against the valve ball 22 through threaded connection with the valve body 5, a valve ball bearing is arranged at the bottom of the valve ball 22 and the valve body 5, a valve seat frame 20 is in threaded connection with an end nut 10, the top of the end nut 10 props against a valve seat spring 9, and two end threads at two ends of the valve body 5 are in threaded connection with the top of the valve seat frame 20 and the top of the valve seat 21. A valve rod main check ring 23, a valve rod auxiliary check ring 6, a valve rod O-shaped ring 7 and a valve rod guide ring 24 are arranged between the valve rod 4 and the valve body 5, wherein the valve rod guide ring 24 is arranged above, and the valve rod main check ring 23, the valve rod auxiliary check ring 6 and the valve rod O-shaped ring 7 are sequentially attached to and arranged below. A valve seat frame guide ring 17, a valve seat frame check ring 18 and a valve seat frame O-ring 19 are arranged between the end nut 10 and the valve seat frame 20, wherein the valve seat frame guide ring 17 is arranged at the left end, and the valve seat frame check ring 18 and the valve seat frame O-ring 19 are attached to the right end of the gap. Between the end nut 10 and the valve body 5, an end nut main retainer ring 11, an end nut auxiliary retainer ring 12, an end nut O-ring 13, and an end nut support ring 14 are provided, and are sequentially stuck in the gap from the outside to the inside.
When the ball valve is used, two ends of the end nut 10 are connected with a high-pressure hydrogen pipe with three-quarter pipe diameter, 45Mpa of high-pressure hydrogen is introduced into the high-pressure hydrogen pipe at one end, and a pneumatic device arranged at the top controls the valve ball 22 to rotate so as to control whether the high-pressure hydrogen can pass through. When the ball valve is opened, 45Mpa high-pressure hydrogen enters the end nut 10 from a three-quarter pipe diameter high-pressure hydrogen pipe at one end and passes through a hollow channel in the valve ball 22, and goes out from the other end of the end nut 10 to enter the three-quarter pipe diameter high-pressure hydrogen pipe at the other end, and when the ball valve is closed, the top pneumatic device works to control the valve rod 44 to rotate 90 degrees to drive the valve ball 22 to rotate 90 degrees, so that the solid surface of the valve ball 22 faces the left and right inlets and outlets of the end nut 10, and hydrogen is prevented from passing through.
The valve rod main check ring 23, the valve rod auxiliary check ring 6, the valve rod O-shaped ring 7 and the valve rod guide ring 24 between the valve rod 4 and the valve body 5 play roles in fixing the valve rod 4 and preventing high-pressure hydrogen leakage. The seat frame guide ring 17, the seat frame retainer ring 18, and the seat frame O-ring 19 between the end nut 10 and the seat frame 20 function to fix the seat frame 20 and prevent leakage of high-pressure hydrogen gas from the gap. The end nut primary retainer 11, end nut secondary retainer 12, end nut O-ring 13, and end nut support ring 14 between the end nut 10 and the valve body 5 function to prevent leakage of hydrogen gas therefrom.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (4)
1. The utility model provides a possess multiple seal structure's ball valve for hydrogenation station, includes the valve body, be provided with the valve ball in the valve body, the both ends of valve body are provided with air inlet and gas outlet respectively, be provided with hollow channel on the valve ball, still insert on the valve body and be equipped with can drive valve ball pivoted valve rod, its characterized in that: the valve body is internally provided with a valve rod sleeve and a square sleeve, the valve rod is embedded in the middle of the valve body, a valve rod bearing is sleeved on the valve rod, the valve ball is positioned at the center of the valve body and is sleeved with the bottom of the valve rod, the valve rod can drive the valve ball to rotate in the valve body, the valve body is internally provided with a valve seat capable of supporting the valve ball and a valve seat frame used for supporting the valve seat, the valve body is internally provided with an end nut in an air inlet and an air outlet respectively in a threaded manner, the end nut pushes the valve seat frame and the valve seat to be closely connected with the valve ball, and the bottom of the valve body is in threaded connection with a bottom cock capable of being abutted against the valve ball; the valve rod is provided with a valve rod sealing groove, a valve rod main check ring, a valve rod auxiliary check ring and a valve rod O-shaped ring which are in sealing contact with the valve body are sequentially arranged in the valve rod sealing groove from top to bottom, two end nut sealing grooves are respectively formed in the end nuts, and an end nut main check ring, an end nut auxiliary check ring, an end nut O-shaped ring and an end nut supporting ring which are in sealing contact with the valve body are sequentially arranged in the end nut sealing groove.
2. The ball valve for a hydrogen addition station having a multiple seal structure according to claim 1, wherein: the valve body is embedded with a valve rod guide ring sleeved on the valve rod.
3. The ball valve for a hydrogen addition station having a multiple seal structure according to claim 1, wherein: a valve seat spring is arranged between the end nut and the valve seat frame.
4. The ball valve for a hydrogen addition station having a multiple seal structure according to claim 1, wherein: the valve seat frame is provided with a valve seat frame sealing groove, and a valve seat frame guide ring, a valve seat frame check ring and a valve seat frame O-shaped ring are sequentially arranged in the valve seat frame sealing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321748757.XU CN220378926U (en) | 2023-07-04 | 2023-07-04 | Ball valve for hydrogenation station with multiple sealing structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321748757.XU CN220378926U (en) | 2023-07-04 | 2023-07-04 | Ball valve for hydrogenation station with multiple sealing structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378926U true CN220378926U (en) | 2024-01-23 |
Family
ID=89559694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321748757.XU Active CN220378926U (en) | 2023-07-04 | 2023-07-04 | Ball valve for hydrogenation station with multiple sealing structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378926U (en) |
-
2023
- 2023-07-04 CN CN202321748757.XU patent/CN220378926U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |