CN218408720U - Dynamic control device for main valve of isolation valve for nuclear engineering - Google Patents
Dynamic control device for main valve of isolation valve for nuclear engineering Download PDFInfo
- Publication number
- CN218408720U CN218408720U CN202222497197.7U CN202222497197U CN218408720U CN 218408720 U CN218408720 U CN 218408720U CN 202222497197 U CN202222497197 U CN 202222497197U CN 218408720 U CN218408720 U CN 218408720U
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- Prior art keywords
- valve
- control device
- pipe
- dynamic control
- nuclear engineering
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- 238000002955 isolation Methods 0.000 title claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- 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
- Y02E30/00—Energy generation of nuclear origin
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Abstract
The utility model belongs to the technical field of the isolation valve, especially, be an isolation valve main valve dynamic control device for nuclear engineering, which comprises a valve body, the both sides of valve body are provided with the valve pipe, the inside of valve pipe is provided with circular recess, be provided with the filter screen core in the circular recess, and one side of filter screen core is provided with pressure sensor, the intraductal mount that is provided with of opposite side valve, the through-hole is seted up at the middle part of mount, the left side of mount is provided with prevents the reverse baffle, the left side of preventing the reverse baffle is provided with fixed pipe, the top of valve body is provided with the valve cap, the top of valve cap is provided with the support, the middle part of support is provided with the connecting rod, the bottom of connecting rod is provided with first baffler, the top of support is provided with the push rod case, the bottom of valve body is provided with the rim plate, the utility model discloses a second baffler, screw rod, rim plate, when the trouble can not electronic closing, can drive the screw rod through twisting the rim plate, make the upward concertina movement of second baffler, carry out manual closing device, ensure the safety of device, convenient operation.
Description
Technical Field
The utility model relates to an isolating valve technical field specifically is an isolating valve main valve dynamic control device for nuclear engineering.
Background
A primary steam isolation valve is typically provided in a nuclear power plant secondary loop primary steam system to prevent overpressure in the containment vessel in the event of a primary steam line rupture between the steam generator and the primary steam isolation valve and to limit cooling of the primary system due to the steam line rupture.
The prior art has the following problems:
1. most of the existing main steam isolation valves are automatically controlled to be closed, and when a control mechanism has a problem, the device cannot be manually closed, so that the safety of the device cannot be ensured.
2. The problem of steam backflow easily occurs to part of isolating valves, meanwhile, the pressure in a valve body pipeline cannot be detected, dynamic control is carried out, and the size of the device is overlarge.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides an isolation valve main valve dynamic control device for nuclear engineering has solved the problem of expounding among the background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a nuclear engineering is with isolation valve main valve dynamic control device, includes the valve body, the both sides of valve body are provided with the valve pipe, the inside of one side valve pipe is provided with circular recess, be provided with the filter screen core in the circular recess, and one side of filter screen core is provided with pressure sensor, the intraductal mount that is provided with of opposite side valve, the through-hole has been seted up at the middle part of mount, the left side of mount is provided with prevents the reverse baffle, the left side of preventing the reverse baffle is provided with fixed pipe, it is provided with spacing post to prevent reverse middle part one side of baffle, the top of spacing post is provided with the stopper, the top of valve body is provided with the valve cap, the top of valve cap is provided with the support, the middle part of support is provided with the connecting rod, the bottom of connecting rod is provided with first baffler, the top of support is provided with the push rod case, the internally mounted of push rod case has electric putter, one side of electric putter is provided with the signal processing module, the screw has been seted up to the bottom of valve body, be provided with the screw on the screw, be provided with the screw rod on the screw, the top of screw rod is provided with the second baffler, the below of screw rod is provided with the rim plate.
As an optimal technical scheme of the utility model, the surface of valve body is provided with and contains the lead protective sheath, and the valve body with contain and constitute the full enclosed construction between the lead protective sheath.
As a preferred technical scheme of the utility model, pressure sensor is high temperature pressure sensor, and carries out electric connection with signal processing module.
As a preferred technical scheme of the utility model, the mount is the cross form, and welds in valve pipe inner wall department.
As an optimal technical scheme of the utility model, prevent that the baffle passes the through-hole through spacing post and is connected with the mount, prevent that the diameter of baffle is less than the pipe diameter of valve pipe, prevent that the baffle passes through fixed pipe and constitutes seal structure between the valve pipe.
As a preferred technical scheme of the utility model, the surface of first separation board and second separation board is provided with sealed the pad.
As an optimal technical scheme of the utility model, second separation board is connected with the rim plate through screw rod embedding screw.
As an optimized technical scheme of the utility model, first baffler is connected with electric putter through the connecting rod.
Compared with the prior art, the utility model provides an isolating valve main valve dynamic control device for nuclear engineering possesses following beneficial effect:
1. this isolating valve main valve dynamic control device for nuclear engineering through setting up second baffler, screw rod, rim plate, when the trouble can not the electric shutdown, can drive the screw rod through twisting the rim plate, makes the upwards concertina movement of second baffler, carries out manual closing device, ensures the safety of device, convenient operation.
2. Through set up the mount in the valve pipe and prevent the reverse baffle, when the backward flow appears in steam, can promote to prevent that the reverse baffle blocks up, the effectual steam that prevents flows back, be provided with pressure sensor and push rod incasement portion in the inner wall department of valve pipe simultaneously and be provided with signal processing module, can carry out automatic monitoring to inside gas pressure, appear damaged revealing when the pipeline, after signal processing module received pressure sensor's signal, automatic drive electric putter drives first baffler and carries out the downstream and carry out closing means, prevent that steam from revealing.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the fixing frame of the present invention;
FIG. 3 is a schematic view of the lead-containing protective cover of the present invention;
in the figure: 1. a valve body; 2. a valve tube; 3. a circular groove; 4. a filter element; 5. a pressure sensor; 6. a fixed mount; 7. a through hole; 8. an anti-reflection baffle plate; 9. a fixed tube; 10. a limiting column; 11. a limiting block; 12. a bonnet; 13. a support; 14. a connecting rod; 15. a first barrier plate; 16. a push rod box; 17. an electric push rod; 18. a signal processing module; 19. a screw hole; 20. a screw; 21. a second barrier panel; 22. a wheel disc; 23. a lead-containing protective sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, in this embodiment: the utility model provides an isolation valve main valve dynamic control device for nuclear engineering, including valve body 1, the both sides of valve body 1 are provided with valve pipe 2, the inside of one side valve pipe 2 is provided with circular recess 3, be provided with filter screen core 4 in the circular recess 3, and one side of filter screen core 4 is provided with pressure sensor 5, be provided with mount 6 in the opposite side valve pipe 2, through-hole 7 has been seted up at the middle part of mount 6, the left side of mount 6 is provided with anti-reverse baffle 8, the left side of anti-reverse baffle 8 is provided with fixed tube 9, middle part one side of anti-reverse baffle 8 is provided with spacing post 10, the top of spacing post 10 is provided with stopper 11, the top of valve body 1 is provided with valve cap 12, the top of valve cap 12 is provided with support 13, the middle part of support 13 is provided with connecting rod 14, the bottom of connecting rod 14 is provided with first baffling board 15, the top of support 13 is provided with push rod case 16, the internally mounted of push rod case 16 has electric putter 17, one side of electric putter 17 is provided with signal processing module 18, screw 19 has been seted up to the bottom of valve body 1, be provided with screw rod 19 on the screw rod 19, be provided with screw rod 20, the top of screw rod 20 is provided with second baffling board 21, the top of screw rod 20.
In this embodiment, a lead-containing protective sleeve 23 is disposed on the outer surface of the valve body 1, and a fully-enclosed structure is formed between the valve body 1 and the lead-containing protective sleeve 23; the pressure sensor 5 is a high-temperature pressure sensor, detects the pressure of the internal gas and is electrically connected with the signal processing module 18; the fixing frame 6 is in a cross shape and is welded on the inner wall of the valve pipe 2; the anti-reverse partition plate 8 penetrates through the through hole 7 through the limiting column 10 to be connected with the fixing frame 6, the diameter of the anti-reverse partition plate 8 is smaller than the pipe diameter of the valve pipe 2, and the anti-reverse partition plate 8 forms a sealing structure with the valve pipe 2 through the fixing pipe 9, so that steam backflow can be prevented; the surfaces of the first barrier plate 15 and the second barrier plate 21 are provided with gaskets to ensure sealing performance during barrier; the second baffle plate 21 is embedded into the screw hole 19 through the screw rod 20 and is connected with the wheel disc 22; the first blocking plate 15 is connected with an electric push rod 17 through a connecting rod 14.
The utility model discloses a theory of operation and use flow: the valve pipe 2 is fixedly connected with steam pipelines of other equipment in a sealing manner, the inlet and outlet of steam are controlled by the device, when the device needs to be opened, an electric push rod 17 in a push rod box 16 can drive a first blocking plate 15 to move upwards to open the device, meanwhile, the steam can pass through the device, when the steam enters the left valve pipe 2, the steam can be filtered by a filter screen core 4, the quality of the steam is improved, after the steam enters the valve pipe 2, the steam with impact force can blow off an anti-reverse blocking plate 8 from a fixed pipe 9, at the moment, the steam can flow out of the device, when the steam flows back, the anti-reverse blocking plate 8 can move leftwards to block a valve pipe 2 port, the backflow of the steam is prevented, meanwhile, a pressure sensor 5 on the pipe wall automatically monitors the internal gas pressure, when the pipeline is damaged and leaked, after a signal processing module 18 receives a signal of the pressure sensor 5, the electric push rod 17 is automatically driven, the first blocking plate 15 is driven to move downwards to close the device, when the device cannot be electrically closed due to failure, a whole wheel disc 22 can be driven, and a protective sleeve 20 which drives a manual protective sleeve 23 to move upwards to protect the device.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a main valve dynamic control device of isolation valve for nuclear engineering which characterized in that: comprises a valve body (1), valve pipes (2) are arranged on two sides of the valve body (1), a circular groove (3) is arranged in the valve pipe (2) on one side, a filter screen core (4) is arranged in the circular groove (3), a pressure sensor (5) is arranged on one side of the filter screen core (4), a fixing frame (6) is arranged in the valve pipe (2) on the other side, a through hole (7) is formed in the middle of the fixing frame (6), an anti-reverse baffle plate (8) is arranged on the left side of the fixing frame (6), a fixing pipe (9) is arranged on the left side of the anti-reverse baffle plate (8), a limiting column (10) is arranged on one side of the middle of the anti-reverse baffle plate (8), a limiting block (11) is arranged on the top of the limiting column (10), a valve cap (12) is arranged above the valve body (1), a support (13) is arranged above the valve cap (12), a connecting rod (14) is arranged in the middle of the support (13), a first blocking plate (15) is arranged at the bottom end of the support (13), a push rod box (16) is provided with a push rod box (17), and an electric signal processing module (17) is arranged on one side of the push rod (17), the screw hole (19) is provided with a screw rod (20), the top of the screw rod (20) is provided with a second barrier plate (21), and a wheel disc (22) is arranged below the screw rod (20).
2. The dynamic control device for the main valve of the isolation valve for the nuclear engineering according to claim 1, characterized in that: the surface of valve body (1) is provided with leaded protective sheath (23), and constitutes full enclosure structure between valve body (1) and leaded protective sheath (23).
3. The dynamic control device for the main valve of the isolation valve for the nuclear engineering according to claim 1, characterized in that: the pressure sensor (5) is a high-temperature pressure sensor and is electrically connected with the signal processing module (18).
4. The main valve dynamic control device of the isolation valve for nuclear engineering according to claim 1, wherein: the fixing frame (6) is in a cross shape and is welded on the inner wall of the valve pipe (2).
5. The dynamic control device for the main valve of the isolation valve for the nuclear engineering according to claim 1, characterized in that: the anti-reverse partition plate (8) penetrates through the through hole (7) through the limiting column (10) to be connected with the fixing frame (6), the diameter of the anti-reverse partition plate (8) is smaller than the pipe diameter of the valve pipe (2), and the anti-reverse partition plate (8) forms a sealing structure with the valve pipe (2) through the fixing pipe (9).
6. The main valve dynamic control device of the isolation valve for nuclear engineering according to claim 1, wherein: and sealing gaskets are arranged on the surfaces of the first barrier plate (15) and the second barrier plate (21).
7. The main valve dynamic control device of the isolation valve for nuclear engineering according to claim 1, wherein: the second barrier plate (21) is embedded into the screw hole (19) through a screw rod (20) and connected with the wheel disc (22).
8. The dynamic control device for the main valve of the isolation valve for the nuclear engineering according to claim 1, characterized in that: the first blocking plate (15) is connected with the electric push rod (17) through a connecting rod (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222497197.7U CN218408720U (en) | 2022-09-21 | 2022-09-21 | Dynamic control device for main valve of isolation valve for nuclear engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222497197.7U CN218408720U (en) | 2022-09-21 | 2022-09-21 | Dynamic control device for main valve of isolation valve for nuclear engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218408720U true CN218408720U (en) | 2023-01-31 |
Family
ID=85034264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222497197.7U Active CN218408720U (en) | 2022-09-21 | 2022-09-21 | Dynamic control device for main valve of isolation valve for nuclear engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218408720U (en) |
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2022
- 2022-09-21 CN CN202222497197.7U patent/CN218408720U/en active Active
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