CN110185832A - A kind of dedicated totally-enclosed isolating valve of nuclear power - Google Patents
A kind of dedicated totally-enclosed isolating valve of nuclear power Download PDFInfo
- Publication number
- CN110185832A CN110185832A CN201910417746.5A CN201910417746A CN110185832A CN 110185832 A CN110185832 A CN 110185832A CN 201910417746 A CN201910417746 A CN 201910417746A CN 110185832 A CN110185832 A CN 110185832A
- Authority
- CN
- China
- Prior art keywords
- valve
- hermetically sealed
- closing device
- deck
- nuclear power
- Prior art date
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 125000006850 spacer group Chemical group 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 7
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 3
- 238000005242 forging Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Abstract
A kind of dedicated totally-enclosed isolating valve of nuclear power, the hermetically sealed bracket of the application is I shape hollow structure, the fixed part of valve opening and closing device is mounted on hermetically sealed cradle top, hermetically sealed frame bottom is mounted on by fixing piece at the top of valve deck, there is gasket seal between hermetically sealed cradle top and the fixed part of valve opening and closing device and at the top of hermetically sealed frame bottom and valve deck, dynamic load spacer ring is fixedly mounted in valve deck top by upper seal support, valve deck bottom is mounted on the bracket of body top by fixing piece, there is self-sealing gasket between valve deck bottom and body top, valve rod upper end is fixed in valve opening and closing device and controls valve rod rotary work by valve opening and closing device, upper seal support is passed through below valve rod, valve rod lower end is fixed with flashboard, flashboard passes through mobile control isolating valve opening and closing in valve body.The application device is designed using integral full-closed, and overall tightness is good, highly-safe, can be effectively isolated extraneous empty gas and water etc., can be widely used in various nuclear power facilities.
Description
Technical field
The present invention relates to valve fields, more particularly to a kind of dedicated totally-enclosed isolating valve of nuclear power.
Background technique
With the development of nuclear industry, enlargement, high parameter, high-performance and the reliability of nuclear power plant equipment, safety is wanted
Ask higher and higher, nuclear power valve is the hydraulic equipment having a large capacity and a wide range in nuclear power station, it connects more than 300 systems of entire nuclear power station
System is the key that nuclear plant safety operation attachment, is often used isolating valve in nuclear power generating equipment, and isolating valve belongs to the valve of Switch,
Only it can all there are certain requirements leakage grade substantially unlike two states and switch valve on or off.Relatively
For requirement to safety it is higher than switch valve, it is high to insulation request due to being used in nuclear power, applicant according to
Isolating valve feature designs a kind of dedicated totally-enclosed isolating valve of nuclear power.
Summary of the invention
In order to solve problem above, the present invention provides a kind of dedicated totally-enclosed isolating valve of nuclear power, and the device is using whole complete
Closure designs, overall tightness is good, highly-safe, can be effectively isolated extraneous empty gas and water etc., can be widely used in various
Nuclear power facility, for this purpose, the present invention provides a kind of dedicated totally-enclosed isolating valve of nuclear power, including valve opening and closing device, sealing
Gasket, hermetically sealed bracket, dynamic load spacer ring, upper seal support, valve deck, self-sealing gasket, valve rod, flashboard and valve body, it is described hermetically sealed
Bracket is I shape hollow structure, and the fixed part of the valve opening and closing device is mounted on hermetically sealed cradle top, institute by fixing piece
It states and hermetically sealed frame bottom is mounted on by fixing piece at the top of valve deck, the hermetically sealed cradle top and valve opening and closing device are consolidated
Determine between part and hermetically sealed frame bottom and valve deck at the top of between have gasket seal, the dynamic load spacer ring passes through upper seal support
In being fixedly mounted at the top of valve deck, the valve deck bottom is mounted on the hermetically sealed bracket of body top by fixing piece, described
There is self-sealing gasket between valve deck bottom and body top, the valve rod upper end is fixed in valve opening and closing device by valve opening and closing
Device controls valve rod rotary work, passes through upper seal support below the valve rod, the valve rod lower end is fixed with flashboard, the flashboard
Pass through mobile control isolating valve opening and closing in valve body.
Further improvement of the present invention, the valve opening and closing device are that electric opening and closing mechanism includes control motor and mating limit
Bit switch and moment, electric operator should be equipped with limit switch and moment, guarantee enough torques or thrust,
Meet energy smooth opening or closing valve, limit switch and moment under various operating conditions and then plays torque defencive function.
Further improvement of the present invention seals between the hermetically sealed cradle top and the fixed part of valve opening and closing device
Gasket is hermetically sealed gasket one, and having gasket seal between the hermetically sealed frame bottom and valve deck top is hermetically sealed gasket two,
The application gasket seal is more preferable using the such sealing effect of hermetically sealed gasket.
Further improvement of the present invention, the valve body be high pressure isolation valve or low pressure isolating valve, the valve body be high pressure every
S32168III forging is used from valve body material, the valve body is that low pressure isolating valve material uses CF8 stainless cast steel part, this Shen
Please high_voltage isolation valve and low pressure separation valve door can be used, corresponding valve uses corresponding material.
A kind of dedicated totally-enclosed isolating valve of nuclear power of the application, has the feature that
1) the application integrally uses all-sealed structure to design, and top uses the sealed support of I shape hollow structure, and there is sealing at middle part
Seat, integral demounting is convenient, and sealing effect is good；
2) the application entirety insulating is good, can be effectively isolated extraneous empty gas and water etc., can be widely used in various nuclear powers and set
It applies.
Detailed description of the invention
Fig. 1 the application schematic diagram；
Detailed description of the invention:
1, valve opening and closing device；2, hermetically sealed gasket；3, hermetically sealed bracket；4, hermetically sealed gasket；5, dynamic load spacer ring；6, upper sealing
Seat；7, valve deck；8, self-sealing gasket；9, valve rod；10, flashboard；11, valve body.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
The present invention provides a kind of dedicated totally-enclosed isolating valve of nuclear power, which is designed using integral full-closed, whole figure good airproof performance,
It is highly-safe, it can be effectively isolated extraneous empty gas and water etc., various nuclear power facilities can be widely used in.
As an embodiment of the present invention, the present invention provides a kind of dedicated totally-enclosed isolating valve of nuclear power, including valve opening and closing
Device 1, gasket seal, hermetically sealed bracket 3, dynamic load spacer ring 5, upper seal support 6, valve deck 7, self-sealing gasket 8, valve rod 9, flashboard 10
With valve body 11, the hermetically sealed bracket 3 is I shape hollow structure, and the fixed part of the valve opening and closing device 1 is pacified by fixing piece
Mounted in hermetically sealed 3 top of bracket, hermetically sealed 3 bottom of bracket, the hermetically sealed branch are mounted on by fixing piece at the top of the valve deck 7
There is sealing between 3 top of frame and the fixed part of valve opening and closing device 1 and between 7 top of 3 bottom of hermetically sealed bracket and valve deck
Gasket, the dynamic load spacer ring 5 are fixedly mounted in 7 top of valve deck by upper seal support 6, and 7 bottom of valve deck passes through fixing piece
It is mounted on the hermetically sealed bracket 3 at 11 top of valve body, there are self-sealing gasket 8, institute in 7 bottom of valve deck and valve body between 11 top
It states 9 upper end of valve rod and is fixed in valve opening and closing device 1 and 9 rotary work of valve rod is controlled by valve opening and closing device 1, under the valve rod 9
Side passes through upper seal support 6, and 9 lower end of valve rod is fixed with flashboard 10, the flashboard 10 in valve body 11 by mobile control every
It is opened and closed from valve.
As a kind of specific embodiment of the present invention, the present invention provides the dedicated totally-enclosed isolation of a kind of nuclear power as shown in Figure 1
Valve, including valve opening and closing device 1, gasket seal 2, hermetically sealed bracket 3, dynamic load spacer ring 5, upper seal support 6, valve deck 7, self-sealing pad
Piece 8, valve rod 9, flashboard 10 and valve body 11, the hermetically sealed bracket 3 are I shape hollow structure, and the valve opening and closing device 1 is electronic
Switching mechanism includes control motor and mating limit switch and moment, electric operator should be equipped with limit switch and torque
Switch is guaranteeing enough torques or thrust, and meeting can smooth opening or closing valve, limit switch and power under various operating conditions
Square switch then played torque defencive function, and the fixed part of the valve opening and closing device 1 is mounted on hermetically sealed by fixing piece
The top of bracket 3 is mounted on hermetically sealed 3 bottom of bracket by fixing piece at the top of the valve deck 7, hermetically sealed 3 top of bracket and
Gasket seal is hermetically sealed gasket 1, hermetically sealed 3 bottom of bracket and valve deck 7 between the fixed part of valve opening and closing device 1
Having gasket seal between top is hermetically sealed gasket 24, and the application gasket seal uses the such sealing effect of hermetically sealed gasket more
Good, the dynamic load spacer ring 5 is fixedly mounted in 7 top of valve deck by upper seal support 6, and 7 bottom of valve deck is pacified by fixing piece
On on the hermetically sealed bracket 3 at 11 top of valve body, there are self-sealing gasket 8, institute in 7 bottom of valve deck and valve body between 11 top
It states 9 upper end of valve rod and is fixed in valve opening and closing device 1 and 9 rotary work of valve rod is controlled by valve opening and closing device 1, under the valve rod 9
Side passes through upper seal support 6, and 9 lower end of valve rod is fixed with flashboard 10, the flashboard 10 in valve body 11 by rotation control every
It is opened and closed from valve.
Herein described valve body is high pressure isolation valve or low pressure isolating valve, and the valve body is that high pressure isolation valve valve body material is adopted
With S32168III forging, the valve body is that low pressure isolating valve material uses CF8 stainless cast steel part, the application high_voltage isolation valve
It can be used with low pressure separation valve door, corresponding valve uses corresponding material.
The above described is only a preferred embodiment of the present invention, being not the limit for making any other form to the present invention
System, and made any modification or equivalent variations according to the technical essence of the invention, still fall within present invention model claimed
It encloses.
Claims (4)
1. a kind of dedicated totally-enclosed isolating valve of nuclear power, including valve opening and closing device (1), gasket seal (2), hermetically sealed bracket (3),
Dynamic load spacer ring (5), upper seal support (6), valve deck (7), self-sealing gasket (8), valve rod (9), flashboard (10) and valve body (11), it is special
Sign is: the hermetically sealed bracket (3) is I shape hollow structure, and the fixed part of the valve opening and closing device (1) passes through fixing piece
It is mounted at the top of hermetically sealed bracket (3), hermetically sealed bracket (3) bottom is mounted on by fixing piece at the top of the valve deck (7), it is described
Between hermetically sealed bracket (3) top and the fixed part of valve opening and closing device (1) and hermetically sealed bracket (3) bottom and valve deck
(7) have gasket seal (2) between top, the dynamic load spacer ring (5) is fixedly mounted at the top of valve deck (7) by upper seal support (6)
Interior, valve deck (7) bottom is mounted on the hermetically sealed bracket (3) at the top of valve body (11) by fixing piece, valve deck (7) bottom
Have self-sealing gasket (8) between at the top of portion and valve body (11), valve rod (9) upper end be fixed in valve opening and closing device (1) by
Valve opening and closing device (1) controls valve rod (9) rotary work, passes through upper seal support (6) below the valve rod (9), the valve rod (9)
Lower end is fixed with flashboard (10), and the flashboard (10) passes through mobile control isolating valve opening and closing in valve body (11).
2. the dedicated totally-enclosed isolating valve of a kind of nuclear power according to claim 1, it is characterised in that: the valve opening and closing device
It (1) include control motor and mating limit switch and moment for electric opening and closing mechanism.
3. the dedicated totally-enclosed isolating valve of a kind of nuclear power according to claim 1, it is characterised in that: the hermetically sealed bracket
(3) gasket seal is hermetically sealed gasket one (2), the hermetically sealed branch between top and the fixed part of valve opening and closing device (1)
Having gasket seal between at the top of frame (3) bottom and valve deck (7) is hermetically sealed gasket two (4).
4. the dedicated totally-enclosed isolating valve of a kind of nuclear power according to claim 1, it is characterised in that: the valve body (11) is height
Isolating valve or low pressure isolating valve are pressed, the valve body (11) is that high pressure isolation valve valve body material uses S32168III forging, the valve
Body (11) is that low pressure isolating valve material uses CF8 stainless cast steel part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910417746.5A CN110185832A (en) | 2019-05-20 | 2019-05-20 | A kind of dedicated totally-enclosed isolating valve of nuclear power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910417746.5A CN110185832A (en) | 2019-05-20 | 2019-05-20 | A kind of dedicated totally-enclosed isolating valve of nuclear power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110185832A true CN110185832A (en) | 2019-08-30 |
Family
ID=67716812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910417746.5A Pending CN110185832A (en) | 2019-05-20 | 2019-05-20 | A kind of dedicated totally-enclosed isolating valve of nuclear power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110185832A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2908937Y (en) * | 2006-04-28 | 2007-06-06 | 中核苏阀科技实业股份有限公司 | Nuclear two-stage quick on-off section valve |
| CN207935463U (en) * | 2018-01-31 | 2018-10-02 | 宁波田湖阀门科技有限公司 | The hard seal gate valve of air-conditioning HVAC system wedge-type |
| CN210318699U (en) * | 2019-05-20 | 2020-04-14 | 江苏中海华核环保有限公司 | Totally-enclosed isolating valve special for nuclear power |
-
2019
- 2019-05-20 CN CN201910417746.5A patent/CN110185832A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2908937Y (en) * | 2006-04-28 | 2007-06-06 | 中核苏阀科技实业股份有限公司 | Nuclear two-stage quick on-off section valve |
| CN207935463U (en) * | 2018-01-31 | 2018-10-02 | 宁波田湖阀门科技有限公司 | The hard seal gate valve of air-conditioning HVAC system wedge-type |
| CN210318699U (en) * | 2019-05-20 | 2020-04-14 | 江苏中海华核环保有限公司 | Totally-enclosed isolating valve special for nuclear power |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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