CN220354503U - Slag discharging valve of wet ash removing system - Google Patents
Slag discharging valve of wet ash removing system Download PDFInfo
- Publication number
- CN220354503U CN220354503U CN202321431612.7U CN202321431612U CN220354503U CN 220354503 U CN220354503 U CN 220354503U CN 202321431612 U CN202321431612 U CN 202321431612U CN 220354503 U CN220354503 U CN 220354503U
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- CN
- China
- Prior art keywords
- valve
- valve body
- fixedly connected
- threaded rod
- hand wheel
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- 239000002893 slag Substances 0.000 title claims abstract description 21
- 238000007599 discharging Methods 0.000 title claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 25
- 230000006835 compression Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 230000003139 buffering effect Effects 0.000 claims description 7
- 239000010865 sewage Substances 0.000 abstract description 37
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model discloses a slag discharging valve of a wet ash removing system, which comprises a valve body, wherein the outer surface of the valve body is fixedly connected with a flange ring, the top of the flange ring is provided with a valve cover, the bottom of the valve cover is provided with a buffer device, the bottom of the buffer device is fixedly connected with the outer surface of the valve body, the top of the valve body is fixedly connected with the bottom of the valve cover, a threaded rod is arranged in the valve cover, and the outer surface of the threaded rod is in threaded connection with a hand wheel. The slag discharge valve adjusts the position of the valve core by arranging the hand wheel, the hand wheel is rotated, the threaded rod drives the valve core to move downwards, when the outer surface of the valve sleeve is contacted with the outer surface of the sealing ring, the valve is closed, part of sewage still pushes the valve sleeve open to flow out through the compression spring, the hand wheel is continuously rotated to enable the compression spring to compress under the stress, and the hand wheel is stopped rotating until no sewage flows out, at the moment, the valve is completely closed.
Description
Technical Field
The utility model relates to the technical field of wet ash removal, in particular to a slag discharging valve of a wet ash removal system.
Background
The wet ash removing system for coal-fired thermal power plant uses water as medium to make ash and slag conveying, and its system is formed from slag-discharging, slag-flushing, slag-crushing and conveying equipment and slag-conveying pipeline. The hydraulic deslagging has strong adaptability to ash, is safe and reliable to operate, is simple and convenient to operate and maintain, and does not have ash to be scattered in the conveying process. Therefore, a slag discharge valve is essentially used in the deslagging process.
In the prior art, for example, the Chinese patent number is: a slag discharging valve of CN213236134U comprises a valve body, wherein a through cavity is formed in the middle of the valve body, and a flange pipe communicated with the valve body is arranged at the top of the valve body; the valve plate is positioned at the communication position of the flange pipe and the valve body, the periphery of the valve plate is attached to the inner wall of the valve body cavity, the top of the valve plate is provided with a connecting rod, and the free end of the valve plate is provided with a driving part; and the wedge block is positioned on one side of the valve plate, a slope is formed on one surface of the wedge block, which is away from the valve plate, the wedge block is slidably connected to a mounting shaft, the mounting shaft is coaxially fixedly connected with the valve plate, and a spring for pushing the wedge block away from the valve plate is sleeved on the outer side of the mounting shaft. The utility model has reasonable structure and excellent sealing effect.
But in the prior art, when sewage impact force is too big, can jack up the voussoir, make the spring atress compress, there is a small amount of sewage to continue to flow this moment, sealed effect is not good to this slag discharge valve does not set up sewage buffer and slows down the impact force of sewage to the inside of valve body, when sewage impact force is too big, can make voussoir and valve plate receive the impact and damage, thereby has influenced the normal use of slag discharge valve.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model solves the technical problems by adopting the following technical scheme: the utility model provides a wet-type ash removal system slag discharge valve, includes the valve body, the surface fixedly connected with flange ring of valve body, the top of flange ring is provided with the valve gap, the bottom of valve gap is provided with buffer, buffer's bottom and the surface fixedly connected of valve body, the top of valve body and the bottom fixed connection of valve gap, the inside of valve gap is provided with the threaded rod, the surface threaded connection of threaded rod has the hand wheel, the top of hand wheel is provided with adjusting nut, rotates the hand wheel and can make threaded rod upward movement, and the threaded rod drives case upward movement.
Preferably, the inner surface of the adjusting nut is in threaded connection with the outer surface of the threaded rod, the bottom end of the threaded rod is fixedly connected with the inner surface of the valve core, the outer surface of the valve core is in sliding connection with the inner surface of the valve body, and the valve core slides upwards along the inner surface of the valve body along with the upward movement of the threaded rod.
Preferably, the internal surface sliding connection of valve body has the valve pocket, the internal surface sliding connection of valve pocket and the surface sliding connection of case, the internal surface fixedly connected with compression spring of case, compression spring's bottom and the internal surface fixed connection of valve pocket, threaded rod drive case upward movement, in this process, compression spring slowly resets, and sewage pushes up the valve pocket, slowly flows from the right side of valve body, and compression spring has reduced the impact force of sewage to the valve pocket, plays the cushioning effect, the effectual case that has protected is not damaged.
Preferably, the bottom of the valve sleeve is provided with a sealing ring, the outer surface of the sealing ring is fixedly connected with the inner surface of the valve body, the outer surface of the valve sleeve is contacted with the outer surface of the sealing ring, the outer surface of the valve core is slidably connected with the inner surface of the valve cover, when the hand wheel is reversely rotated, the threaded rod drives the valve core to move downwards, and when the outer surface of the valve sleeve is contacted with the outer surface of the sealing ring, the valve is closed.
Preferably, the buffer device comprises a buffer chamber, the internal surface threaded connection of buffer chamber has the connecting pipe, the top of connecting pipe is provided with the piston, the surface fixedly connected with sealing washer of piston, the surface of sealing washer contacts with the internal surface of buffer chamber, the internal surface of buffer chamber and the surface sliding connection of piston, when the valve is closed, when having sewage suddenly to flow into inside the valve body, powerful impact force can make valve pocket and case impaired, when sewage flows to valve pocket department, and partial sewage flows into the buffer chamber through the connecting pipe, and the piston receives impact force upward movement this moment, has reduced the impact force of sewage to the inside valve body.
Preferably, the inside internal surface fixedly connected with gas injection valve of buffer chamber, the outside of gas injection valve is provided with the manometer, the surface of manometer and the internal surface fixed connection of buffer chamber, the surface of connecting pipe and the internal surface fixed connection of valve body, observe the inside pressure of buffer chamber through the manometer, the accessible gas injection valve is to the buffer chamber in increase pressure when pressure is less, so as to the protection to valve pocket and case.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the position of the valve core is adjusted by arranging the hand wheel, the hand wheel is rotated, the threaded rod drives the valve core to move downwards, when the outer surface of the valve sleeve is contacted with the outer surface of the sealing ring, the valve is closed, part of sewage can jack the valve sleeve through the compression spring to flow out, the hand wheel is continuously rotated to enable the compression spring to bear force to compress, the hand wheel is stopped rotating until no sewage flows out, and at the moment, the valve is completely closed, so that the problem of poor sealing effect of the slag discharging valve of the traditional wet ash removing system is solved.
2. According to the utility model, the buffer device is arranged to buffer impact force generated by sewage, part of sewage flows into the buffer chamber through the connecting pipe, at the moment, the piston moves upwards under the impact force, so that the impact force of sewage on the inside of the valve body is reduced, the pressure inside the buffer chamber can be observed through the pressure appearance, and when the pressure is smaller, air can be injected into the buffer chamber through the air injection valve to increase the pressure, so that the valve sleeve and the valve core are protected, and the problem that the slag discharge valve of the traditional wet ash removal system cannot buffer the impact force generated by sewage is solved.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is an exploded view of the present utility model;
fig. 4 is a schematic structural view of the buffering device of the present utility model.
In the figure: 1. a valve body; 2. a flange ring; 3. a valve cover; 4. a buffer device; 5. a valve sleeve; 6. a compression spring; 7. a valve core; 8. a threaded rod; 9. a seal ring; 10. an adjusting nut; 11. a hand wheel; 12. a connecting pipe; 13. a buffer chamber; 14. a piston; 15. a seal ring; 16. an air injection valve; 17. a pressure gauge.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Embodiment one:
referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a wet ash removal system slag discharge valve, including valve body 1, the surface fixedly connected with flange ring 2 of valve body 1, the top of flange ring 2 is provided with valve gap 3, the bottom of valve gap 3 is provided with buffer 4, buffer 4's bottom and valve body 1's surface fixed connection, valve body 1's top and valve gap 3's bottom fixed connection, valve gap 3's inside is provided with threaded rod 8, threaded rod 8's surface threaded connection has hand wheel 11, hand wheel 11's top is provided with adjusting nut 10, adjusting nut 10's internal surface and threaded rod 8's surface threaded connection, threaded rod 8's bottom and valve core 7's internal surface fixed connection, valve core 7's surface and valve body 1's internal surface sliding connection, sewage is gone into valve body 1's inside from valve body 1's left side, compression spring 6 is compressed state this moment, can make threaded rod 8 upwards move through rotating hand wheel 11, threaded rod 8 drives valve core 7 upward movement, in this process, compression spring 6 slowly resets, sewage is upwards pushed upward from the right side of valve body 1, compression spring 6 has reduced the impact force of valve sleeve 5, the effect of effectual protection, valve core 7 is not damaged by hand wheel 11, valve core 7 is continued to be rotated by valve core 7 and the upward movement is continued to be completely through the compression spring 5, this moment is kept on the upward movement valve core 5.
The inner surface sliding connection of valve body 1 has valve pocket 5, the inner surface sliding connection of valve pocket 5 and the surface of case 7, the inner surface fixedly connected with compression spring 6 of case 7, compression spring 6's bottom and the inner surface fixed connection of valve pocket 5, the bottom of valve pocket 5 is provided with sealing ring 9, the surface of sealing ring 9 and the inner surface fixed connection of valve body 1, the surface of valve pocket 5 contacts with the surface of sealing ring 9, the surface of valve pocket 7 and the inner surface sliding connection of valve gap 3, when counter-rotating hand wheel 11, threaded rod 8 drives the case and moves downwards, when the surface of valve pocket 5 contacts with the surface of sealing ring 9, the valve is closed, still there is some sewage to push up the valve pocket 5 through compression spring 6 and flow out this moment, continue to rotate hand wheel 11 and make compression spring 6 atress compress, stop rotating hand wheel 11 when no sewage flows, the valve is complete closure this moment.
The buffer device 4 comprises a buffer chamber 13, a connecting pipe 12 is connected to the inner surface of the buffer chamber 13 in a threaded manner, a piston 14 is arranged at the top of the connecting pipe 12, a sealing ring 15 is fixedly connected to the outer surface of the piston 14, the outer surface of the sealing ring 15 is in contact with the inner surface of the buffer chamber 13, the inner surface of the buffer chamber 13 is in sliding connection with the outer surface of the piston 14, an air injection valve 16 is fixedly connected to the inner surface of the buffer chamber 13, a pressure gauge 17 is arranged outside the air injection valve 16, the outer surface of the pressure gauge 17 is fixedly connected with the inner surface of the buffer chamber 13, the outer surface of the connecting pipe 12 is fixedly connected with the inner surface of the valve body 1, when the valve is closed, strong impact force can possibly damage the valve sleeve 5 and the valve core 7 when sewage suddenly flows into the valve body 1, part of sewage flows into the buffer chamber 13 through the connecting pipe 12 while the sewage flows into the valve sleeve 5, the piston 14 is subjected to the upward movement by the impact force, the impact force inside the valve body is reduced, the impact force inside the valve body 1 can be observed through the pressure gauge 17, the pressure inside the buffer chamber 13 can be increased by injecting air into the buffer chamber 13 through the air injection valve 16 when the pressure is small, and the protection valve is convenient for protecting the valve sleeves 5 and 7.
Working principle:
when the waste residue and dust generated during thermal power generation are combined with water to form sewage, when the waste residue and dust generation device is used, a slag discharge valve is connected with a sewage pipeline through a flange ring 2, the sewage enters the valve body 1 from the left side of the valve body 1, at the moment, a compression spring 6 is in a compressed state, a threaded rod 8 can move upwards through rotating a hand wheel 11, the threaded rod 8 drives a valve core 7 to move upwards, in the process, the compression spring 6 slowly resets, the sewage pushes a valve sleeve 5 upwards, slowly flows out from the right side of the valve body 1, the compression spring 6 reduces the impact force of the sewage on the valve sleeve 5, the buffering effect is achieved, the valve core 7 is effectively protected from being damaged, the hand wheel 11 is continuously rotated, the threaded rod 8 continuously moves upwards, and at the moment, the valve core 7 drives the valve sleeve 5 to move upwards through the compression spring 6, so that the outside of the valve is completely opened;
when the hand wheel 11 is reversely rotated, the threaded rod 8 drives the valve core to move downwards, when the outer surface of the valve sleeve 5 is contacted with the outer surface of the sealing ring 9, the valve is closed, at the moment, part of sewage also props up the valve sleeve 5 to flow out through the compression spring 6, the hand wheel 11 is continuously rotated to enable the compression spring 6 to be compressed under the stress, and the hand wheel 11 is stopped rotating until no sewage flows out, at the moment, the valve is completely closed;
when the valve is closed, when sewage suddenly flows into the valve body 1, strong impact force can possibly damage the valve sleeve 5 and the valve core 7, part of sewage flows into the buffer chamber 13 through the connecting pipe 12 when the sewage flows to the valve sleeve 5, at the moment, the piston 14 moves upwards under the impact force, so that the impact force of the sewage on the interior of the valve body 1 is reduced, the pressure in the buffer chamber 13 can be observed through the pressure gauge 17, and when the pressure is smaller, air can be injected into the buffer chamber 13 through the air injection valve 16 to increase the pressure, so that the valve sleeve 5 and the valve core 7 can be protected.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein are implemented by conventional means in the art unless specifically indicated and limited by the context.
Claims (6)
1. The utility model provides a wet-type ash removal system slag discharging valve, includes valve body (1), its characterized in that: the utility model discloses a valve body, including valve body (1), flange ring (2) of surface fixedly connected with, the top of flange ring (2) is provided with valve gap (3), the bottom of valve gap (3) is provided with buffer (4), the bottom of buffer (4) and the surface fixed connection of valve body (1), the top of valve body (1) and the bottom fixed connection of valve gap (3), the inside of valve gap (3) is provided with threaded rod (8), the surface threaded connection of threaded rod (8) has hand wheel (11), the top of hand wheel (11) is provided with adjusting nut (10).
2. The slag valve of a wet ash removal system according to claim 1, wherein: the inner surface of the adjusting nut (10) is in threaded connection with the outer surface of the threaded rod (8), the bottom end of the threaded rod (8) is fixedly connected with the inner surface of the valve core (7), and the outer surface of the valve core (7) is in sliding connection with the inner surface of the valve body (1).
3. The slag valve of a wet ash removal system according to claim 2, wherein: the valve is characterized in that the inner surface of the valve body (1) is slidably connected with a valve sleeve (5), the inner surface of the valve sleeve (5) is slidably connected with the outer surface of the valve core (7), the inner surface of the valve core (7) is fixedly connected with a compression spring (6), and the bottom end of the compression spring (6) is fixedly connected with the inner surface of the valve sleeve (5).
4. A wet ash removal system slag removal valve according to claim 3, characterized in that: the bottom of valve pocket (5) is provided with sealing ring (9), the surface of sealing ring (9) is connected with the internal surface fixed of valve body (1), the surface of valve pocket (5) contacts with the surface of sealing ring (9), the surface of case (7) and the internal surface sliding connection of valve gap (3).
5. The slag valve of a wet ash removal system according to claim 1, wherein: the buffering device (4) comprises a buffering chamber (13), a connecting pipe (12) is connected to the inner surface of the buffering chamber (13) in a threaded mode, a piston (14) is arranged at the top of the connecting pipe (12), a sealing ring (15) is fixedly connected to the outer surface of the piston (14), the outer surface of the sealing ring (15) is in contact with the inner surface of the buffering chamber (13), and the inner surface of the buffering chamber (13) is in sliding connection with the outer surface of the piston (14).
6. The slag valve of a wet ash removal system as defined in claim 5, wherein: the inner surface of the buffer chamber (13) is fixedly connected with an air injection valve (16), a pressure gauge (17) is arranged outside the air injection valve (16), the outer surface of the pressure gauge (17) is fixedly connected with the inner surface of the buffer chamber (13), and the outer surface of the connecting pipe (12) is fixedly connected with the inner surface of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321431612.7U CN220354503U (en) | 2023-06-07 | 2023-06-07 | Slag discharging valve of wet ash removing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321431612.7U CN220354503U (en) | 2023-06-07 | 2023-06-07 | Slag discharging valve of wet ash removing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354503U true CN220354503U (en) | 2024-01-16 |
Family
ID=89481337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321431612.7U Active CN220354503U (en) | 2023-06-07 | 2023-06-07 | Slag discharging valve of wet ash removing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354503U (en) |
-
2023
- 2023-06-07 CN CN202321431612.7U patent/CN220354503U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |