CN219588114U - Supercritical forged steel stop valve - Google Patents
Supercritical forged steel stop valve Download PDFInfo
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- CN219588114U CN219588114U CN202320413299.8U CN202320413299U CN219588114U CN 219588114 U CN219588114 U CN 219588114U CN 202320413299 U CN202320413299 U CN 202320413299U CN 219588114 U CN219588114 U CN 219588114U
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- fixedly connected
- stop valve
- supercritical
- valve
- valve body
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Abstract
The utility model discloses a supercritical forged steel stop valve, which comprises a stop valve body, wherein a screw rod is connected to the top of an inner cavity of the stop valve body in a threaded manner, a valve rod is fixedly connected to the bottom of the screw rod, a decompression shell is fixedly connected to the bottom of the valve rod, a mounting piece is fixedly connected to the top of the inner cavity of the decompression shell, a spring is fixedly connected to the bottom of the mounting piece, a moving block is fixedly connected to the bottom of the spring, a piston column is fixedly connected to the bottom of the moving block, and the bottom of the piston column extends to the bottom of the decompression shell and is fixedly connected with a flexible valve clack. The utility model has the advantages of resistance to compression and high temperature, solved current supercritical forged steel stop valve in the in-process of using, the coping ability to high pressure and high temperature is relatively poor, leads to forged steel stop valve's part impaired easily, has reduced forged steel stop valve life's problem.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a supercritical forged steel stop valve.
Background
The stop valve belongs to one type of valve, and the forged steel stop valve is a common stop valve, and is mainly used for connecting or cutting off a medium in a pipeline, and is not generally used for regulating the flow. The pressure and temperature range applicable to the stop valve is large, the forged steel stop valve is applicable to a small-caliber pipeline, the sealing surface is not easy to wear and scratch, the sealing performance is good, the valve clack stroke is small during opening and closing, the opening and closing time is short, and the valve height is small. The supercritical forged steel stop valve is a stop valve capable of bearing high pressure and high temperature, the pressure bearing performance of the valve is enhanced by pressure relief, but only a single spring is arranged at the top of the valve clack, the pressure relief effect is lower because the supercritical forged steel stop valve is subjected to larger pressure, the protection effect is poorer in practical application, the sealing performance is improved by cooling the sealing filler, but the whole valve body cannot be cooled, and the whole high temperature resistance of the valve body is reduced.
In the using process of the existing supercritical forged steel stop valve, the coping capability to high pressure and high temperature is poor, parts of the forged steel stop valve are easy to damage, and the service life of the forged steel stop valve is shortened.
Disclosure of Invention
The utility model aims to provide a supercritical forged steel stop valve, which has the advantages of compression resistance and high temperature resistance, and solves the problems that the existing supercritical forged steel stop valve has poor coping capacity for high pressure and high temperature in the use process, parts of the forged steel stop valve are easy to damage, and the service life of the forged steel stop valve is reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a supercritical forged steel stop valve, includes the stop valve body, the top threaded connection of stop valve body inner chamber has the lead screw, the bottom fixedly connected with valve rod of lead screw, the bottom fixedly connected with decompression shell of valve rod, the top fixedly connected with installed part of decompression shell inner chamber, the bottom fixedly connected with spring of installed part, the bottom fixedly connected with movable block of spring, the bottom fixedly connected with piston post of movable block, the bottom of piston post extends to the bottom of decompression shell and fixedly connected with flexible valve clack, the equal fixed cover in left and right sides on stop valve body surface is equipped with the fin, spiral heat dissipation chamber and connecting channel have been seted up respectively to the inside of stop valve body, connecting channel and spiral heat dissipation chamber intercommunication, the top intercommunication in spiral heat dissipation chamber has the connecting pipe, the top of connecting pipe communicates respectively has first solenoid valve and second solenoid valve.
In order to facilitate the rotation of the screw rod, the supercritical forged steel stop valve is preferably provided with a hand wheel in a threaded sleeve on the surface of the screw rod.
In order to facilitate control of the movement of the flexible flap, as a preferred embodiment of the supercritical wrought steel shut-off valve of the utility model, the valve stem and the surface of the pressure reducing shell are slidingly connected to the inner wall of the valve body of the shut-off valve.
In order to facilitate the limiting of the spring, the supercritical forged steel stop valve is preferably provided with a limiting column on one side of the mounting piece opposite to the moving block, wherein the limiting column extends to the inner cavity of the spring and is movably connected with the inner wall of the spring.
In order to facilitate pressure relief, the number of the springs is preferably a plurality, and the springs are uniformly distributed on the opposite side of the mounting piece and the moving block.
In order to facilitate sealing of the joint between the decompression shell and the piston column, the bottom of the inner wall of the decompression shell is preferably fixedly connected with a sealing ring, and the surface of the piston column is in sliding connection with the inner wall of the sealing ring.
In order to facilitate the installation of the stop valve body, the supercritical forged steel stop valve is preferable in the utility model, the left end and the right end of the stop valve body are respectively provided with an integrally formed flange, and the radiating fin is made of aluminum alloy.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model can conveniently drive the flexible valve clack to ascend and descend by arranging the screw rod, and the screw rod rotates on the inner wall of the valve body of the stop valve by rotating the screw rod through the hand wheel, drives the valve rod and the decompression shell to move, synchronously drives the piston column and the flexible valve clack to move, and controls the on-off of fluid in the valve body of the stop valve.
2. According to the utility model, the decompression shell is arranged, so that pressure on the flexible valve clack can be conveniently relieved, when the flexible valve clack is impacted, the flexible valve clack drives the piston column to move upwards, the piston column drives the moving block to slide on the inner wall of the decompression shell and squeeze the spring, the spring deforms to absorb the pressure and convert kinetic energy into heat energy, the mounting piece supports the top of the spring, the limiting column is arranged on one side opposite to the mounting piece and the moving block, the limiting column limits the spring, the sealing ring is arranged on the inner wall of the decompression shell, and the sealing ring seals the moving block to prevent fluid from entering the decompression shell.
3. According to the utility model, the spiral heat dissipation cavity and the connecting channel are formed in the valve body of the stop valve, the connecting channel is used for communicating the spiral heat dissipation cavities at two sides, external cooling liquid enters the spiral heat dissipation cavity at the left side through the first electromagnetic valve and enters the spiral heat dissipation cavity at the right side through the connecting channel, finally, the cooling liquid flows back into the cooling liquid cooling equipment through the second electromagnetic valve, and when the cooling liquid circulates in the spiral heat dissipation cavity, the valve body of the stop valve is cooled, so that the too high temperature and the low tightness of the parts of the stop valve are prevented.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a front cross-sectional view of the present utility model;
fig. 3 is a front cross-sectional view of a reduced pressure shell of the present utility model.
In the figure: 1. a shut-off valve body; 2. a connecting pipe; 3. a first electromagnetic valve; 4. a hand wheel; 5. a screw rod; 6. a second electromagnetic valve; 7. a flange; 8. a heat sink; 9. a decompression housing; 10. a piston column; 11. a flexible flap; 12. a connection channel; 13. a spiral heat dissipation cavity; 14. a mounting member; 15. a limit column; 16. a spring; 17. a moving block; 18. a seal ring; 19. a valve rod.
Detailed Description
Referring to fig. 1-3, a supercritical forged steel stop valve comprises a stop valve body 1, a screw rod 5 is connected to the top of the inner cavity of the stop valve body 1 in a threaded manner, a hand wheel 4 is sleeved on the surface of the screw rod 5, a valve rod 19 is fixedly connected to the bottom of the screw rod 5, a decompression shell 9 is fixedly connected to the bottom of the valve rod 19, a mounting piece 14 is fixedly connected to the top of the inner cavity of the decompression shell 9, a spring 16 is fixedly connected to the bottom of the spring 16, a moving block 17 is fixedly connected to the bottom of the moving block 17, a piston column 10 is fixedly connected to the bottom of the piston column 10, a flexible valve clack 11 is fixedly connected to the bottom of the decompression shell 9, radiating fins 8 are fixedly sleeved on the left side and the right side of the surface of the stop valve body 1, a spiral radiating cavity 13 and a connecting channel 12 are respectively arranged in the inner portion of the stop valve body 1, the connecting channel 12 is communicated with the spiral radiating cavity 13, a connecting pipe 2 is communicated with the top of the spiral radiating cavity 13, and the top of the connecting pipe 2 is respectively communicated with a first electromagnetic valve 3 and a second electromagnetic valve 6.
In this embodiment: through setting up lead screw 5, can be convenient for drive flexible valve clack 11 and rise and descend, rotate lead screw 5 through hand wheel 4, the lead screw 5 rotates at the inner wall of stop valve body 1, and drive valve rod 19 and decompression shell 9 removal, synchronous drive piston post 10 and flexible valve clack 11 remove, come to control the inside fluidic break-make of stop valve body 1, through setting up decompression shell 9, can be convenient for carry out the pressure release to flexible valve clack 11 received, when flexible valve clack 11 receives the impact, flexible valve clack 11 drives piston post 10 and upwards moves, piston post 10 drives movable block 17 and slides and press spring 16 at the inner wall of decompression shell 9, spring 16 warp and absorbs pressure, kinetic energy conversion is heat energy, mounting 14 supports the top of spring 16, spiral heat dissipation chamber 13 and connecting channel 12 have been seted up in the inside of stop valve body 1, connecting channel 12 communicates the spiral heat dissipation chamber 13 of both sides, outside coolant liquid enters into the spiral heat dissipation chamber 13 on the left side through first solenoid valve 3, and enter into the spiral chamber 13 on the right side through connecting channel 12, finally, the back flow is to the inside the cooling liquid through second solenoid valve 6, the cooling device is cooled down at the high seal valve body, the temperature is reduced to the valve body is cooled down, the internal part is cooled down.
As a technical optimization of the present utility model, the surfaces of the valve rod 19 and the decompression housing 9 are slidably connected with the inner wall of the shut-off valve body 1.
In this embodiment: the valve rod 19 and the decompression shell 9 slide with the inner wall of the stop valve body 1 in the moving process, so that the flexible valve clack 11 is driven to move up and down, and the on-off of fluid in the stop valve body 1 is controlled.
As a technical optimization scheme of the utility model, a limiting column 15 is arranged on one side of the mounting piece 14 opposite to the moving block 17, and the limiting column 15 extends to the inner cavity of the spring 16 and is movably connected with the inner wall of the spring.
In this embodiment: a limiting column 15 is arranged on one side of the mounting piece 14 opposite to the moving block 17, the limiting column 15 extends to the inner cavity of the spring 16 and is movably connected with the inner wall of the spring 16, and the limiting column 15 limits the spring 16.
As a technical optimization scheme of the utility model, the number of the springs 16 is a plurality, and the springs are uniformly distributed on the opposite side of the mounting piece 14 and the moving block 17.
In this embodiment: the plurality of springs 16 are provided on the side of the mounting member 14 opposite to the moving block 17, so that the pressure applied to the flexible valve flap 11 can be effectively damped.
As a technical optimization scheme of the utility model, the bottom of the inner wall of the decompression housing 9 is fixedly connected with a sealing ring 18, and the surface of the piston column 10 is in sliding connection with the inner wall of the sealing ring 18.
In this embodiment: a seal ring 18 is provided on the inner wall of the pressure reducing case 9, and the seal ring 18 seals the moving block 17 to prevent the fluid from entering the inside of the pressure reducing case 9.
As a technical optimization scheme of the utility model, the left end and the right end of the stop valve body 1 are respectively provided with an integrally formed flange 7, and the radiating fins 8 are made of aluminum alloy.
In this embodiment: by arranging the flange 7, the stop valve body 1 can be installed, the stop valve body 1 is installed on a fluid pipeline, the radiating fins 8 are made of aluminum alloy, and cooling liquid in the spiral radiating cavity 13 can be radiated.
Working principle:
during the use, through hand wheel 4 rotation lead screw 5, the lead screw 5 rotates at the inner wall of stop valve body 1, and drive valve rod 19 and decompression shell 9 removal, synchronous drive piston post 10 and flexible valve clack 11 remove, come to control the inside fluidic break-make of stop valve body 1, through setting up decompression shell 9, can be convenient for carry out the pressure release to the pressure that flexible valve clack 11 received, when flexible valve clack 11 received the impact, flexible valve clack 11 drove piston post 10 and upwards move, piston post 10 drives movable block 17 and slides and extrude spring 16 at the inner wall of decompression shell 9, spring 16 warp and absorbs the pressure, kinetic energy conversion is heat energy, mounting 14 supports the top of spring 16, limit post 15 has been set up at one side that mounting 14 and movable block 17 are relative, limit post 15 is spacing to spring 16, the inner wall at decompression shell 9 has set up sealing ring 18, sealing ring 18 is sealed movable block 17, prevent the inside entering fluid of decompression shell 9, the connecting channel 12 communicates the spiral cavity 13 of both sides, outside coolant liquid enters into left side spiral cavity 13 through first solenoid valve 3, and through the spiral cooling fluid of connecting channel 12, and the inside cooling fluid is cooled down the heat dissipation device is cooled down to the interior of the valve body through the spiral cooling fluid of side 13, the cooling device is cooled down in the cooling device is cooled down to the high-down part, the cooling device is cooled down in the cooling device is cooled down to the valve body, the cooling device is cooled down to the back down in the circulation device is cooled down to the side 13 through the side, the cooling fluid is cooled down.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. The utility model provides a supercritical forged steel stop valve, includes stop valve body (1), the top threaded connection of stop valve body (1) inner chamber has lead screw (5), the bottom fixedly connected with valve rod (19) of lead screw (5), its characterized in that: the bottom fixedly connected with decompression shell (9) of valve rod (19), the top fixedly connected with installed part (14) of decompression shell (9) inner chamber, the bottom fixedly connected with spring (16) of installed part (14), the bottom fixedly connected with movable block (17) of spring (16), the bottom fixedly connected with piston post (10) of movable block (17), the bottom of piston post (10) extends to the bottom of decompression shell (9) and fixedly connected with flexible valve clack (11), the equal fixed cover in left and right sides on stop valve body (1) surface is equipped with fin (8), spiral heat dissipation chamber (13) and connecting channel (12) have been seted up respectively to the inside of stop valve body (1), connecting channel (12) and spiral heat dissipation chamber (13) intercommunication, the top intercommunication of spiral heat dissipation chamber (13) has connecting pipe (2), the top of connecting pipe (2) is linked together respectively first solenoid valve (3) and second solenoid valve (6).
2. A supercritical wrought steel shut-off valve according to claim 1, characterized in that: a hand wheel (4) is sleeved on the surface thread of the screw rod (5).
3. A supercritical wrought steel shut-off valve according to claim 1, characterized in that: the surfaces of the valve rod (19) and the decompression shell (9) are in sliding connection with the inner wall of the stop valve body (1).
4. A supercritical wrought steel shut-off valve according to claim 1, characterized in that: and a limiting column (15) is arranged on one side, opposite to the moving block (17), of the mounting piece (14), and the limiting column (15) extends to the inner cavity of the spring (16) and is movably connected with the inner wall of the spring.
5. A supercritical wrought steel shut-off valve according to claim 1, characterized in that: the springs (16) are a plurality of and uniformly distributed on the opposite sides of the mounting piece (14) and the moving block (17).
6. A supercritical wrought steel shut-off valve according to claim 1, characterized in that: the bottom of the inner wall of the decompression shell (9) is fixedly connected with a sealing ring (18), and the surface of the piston column (10) is in sliding connection with the inner wall of the sealing ring (18).
7. A supercritical wrought steel shut-off valve according to claim 1, characterized in that: the left end and the right end of the stop valve body (1) are respectively provided with an integrally formed flange (7), and the radiating fins (8) are made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320413299.8U CN219588114U (en) | 2023-03-08 | 2023-03-08 | Supercritical forged steel stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320413299.8U CN219588114U (en) | 2023-03-08 | 2023-03-08 | Supercritical forged steel stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219588114U true CN219588114U (en) | 2023-08-25 |
Family
ID=87698200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320413299.8U Active CN219588114U (en) | 2023-03-08 | 2023-03-08 | Supercritical forged steel stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219588114U (en) |
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2023
- 2023-03-08 CN CN202320413299.8U patent/CN219588114U/en active Active
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