CN107725808A - The support column release blowdown hand sluice valve of nuclear power island heart level four - Google Patents
The support column release blowdown hand sluice valve of nuclear power island heart level four Download PDFInfo
- Publication number
- CN107725808A CN107725808A CN201710950125.4A CN201710950125A CN107725808A CN 107725808 A CN107725808 A CN 107725808A CN 201710950125 A CN201710950125 A CN 201710950125A CN 107725808 A CN107725808 A CN 107725808A
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- China
- Prior art keywords
- valve
- bonnet
- designed
- valve body
- support
- 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.)
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/12—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with wedge-shaped arrangements of sealing faces
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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
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
- F16K27/047—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with wedge-shaped obturating members
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
Abstract
The present invention relates to the support column release blowdown hand sluice valve of nuclear power island heart level four, it includes valve body, flashboard, valve seat, valve rod, safety valve provided pipe, sealing ring, upper sealing, bonnet, packing belt, Packing seat with holes, filler pressing sleeve, pressing plate, support column, support, support nut, handwheel, regulating valve, and advantage is:Valve body, seat material:Former 12Cr1MoV, it is now F91;Use pressure:Former below 2500LB, it is now 3500LB;Former support uses steel-casting structure, and volume is big, weight weight;The support column arrangement of building block system four is now used, small volume is in light weight, assembly and disassembly, easy to maintenance, saves material 30%;Temperature in use:It is former less than 550 degree, it is existing more than 600 degree;Increase bypass pressure relief device, it is ensured that valve is safe for operation;Former valve body and valve bonnet seal material are 304 bound edge graphite, and pressure is in below 32MPa;More than 42MPa is now reached using F316 stainless steels, pressure;Increase a safety valve reservation device, suitable for special operation condition lower valve safe operation;Increase a blowdown apparatus, exclude dirt.
Description
Technical field
The present invention relates to optical, mechanical and electronic integration valve, and in particular to the support column release blowdown manual brake of nuclear power island heart level four
Valve.
Background technology
The medium that traditional gate valve is connected or blocked in pipeline.In order to reduce energy consumption, generating efficiency is improved, generating equipment is just
Towards maximization, high parameter, high-performance development.It is high that nuclear power island heart level is widely used in the extra-high pound level gate valve of nuclear power island heart level
Temperature, high pressure, High Pressure Difference, the flow of all kinds of bad working environments of high corrosion are turned on and off controlling, and have with traditional gate valve design comparison
Have using series of advantages such as big, wear-resisting, the anti-corrosion, long lifespans of pressure.550 degree of the temperature that traditional gate valve design uses, pressure exists
2500LB is following, valve body, seat material 12Cr1MoV;The existing support column release blowdown hand sluice valve of nuclear power island heart level four design
600 degree, pressure 3500LB of the temperature used, valve body, seat material F91.Former valve body and valve bonnet seal material are 304 bound edge stones
Ink, pressure is in below 32MPa.More than 42MPa is now reached using F316 stainless steels, pressure, meets operating mode requirement.Former support
Using steel-casting structure, volume is big, weight weight;The support column arrangement of building block system four is now used, small volume is in light weight, assembly and disassembly, maintenance
It is convenient, it can save material 30%, be a kind of energy-efficient product.
Pressure is big in the presence of certain risk, and the existing support column release blowdown hand sluice valve of nuclear power island heart level four design is with bypass
Pressure-releasing type, it is ensured that valve is safe for operation.
During value pressure test, pressure testing device will can bear the requirement of big pressure, it is important to note that safety.
The content of the invention
In order to solve the above problems, the present invention proposes a kind of support column release blowdown hand sluice valve of nuclear power island heart level four,
Reasonable in design, design is flexible.
Technical scheme:
The support column release blowdown hand sluice valve of nuclear power island heart level four, it includes valve body, flashboard, valve seat, valve rod, safety valve and reserved
Pipe, sealing ring, upper sealing, bonnet, packing belt, Packing seat with holes, filler pressing sleeve, pressing plate, support column, support, support nut,
Handwheel, regulating valve, the external side of lock are designed with regulating valve, and regulating valve lower end both sides are respectively designed with two pipelines, respectively connection valve
The water inlet and delivery port of body, discharge outlet are provided among valve body, discharge outlet envisaged underneath has plug screw, between plug screw and discharge outlet
It is connected, is designed with valve seat above valve body, is fixedly connected between valve body and valve seat, has the recessed of taper in valve seat medium design
Mould, cavity plate indoor design have flashboard, and safety valve provided pipe, safety valve provided pipe are designed with the outside of the valve body in regulating valve upper right side
It is fixedly connected between valve body, is designed with valve rod in the top valve inner of flashboard, valve rod is fixedly connected with flashboard support, valve body
Top is designed with bonnet, and bonnet medium design has pilot hole, and bonnet is enclosed on valve rod, and fixing hole is designed with bonnet both sides,
Fixing hole is also configured with relative to bonnet fixing hole both sides in valve body, passes through fixing hole bolts and nuts between bonnet and valve body
Be fixedly connected, and sealing ring be designed between valve body and bonnet, sealing ring is located on the inside of bolt, valve rod and bonnet it
Between be designed with sealing, packing belt, Packing seat with holes, gland, upper sealing sealing company positioned at bottom and valve body, valve rod between
Connect, be packing belt above upper sealing, have Packing seat with holes in packing belt medium design, pressure is connected with the upper seal of packing belt
Set, gland pressing plate is designed with above gland, is fixedly connected between gland pressing plate and valve rod, is designed with gland pressing plate both sides
Fixing hole, the bonnet of lower section is also configured with fixing hole relative to the position of gland pressing plate fixing hole, between gland pressing plate and bonnet
It is fixedly connected by fixing hole with bolts and nuts, support is provided with above gland pressing plate, support casing is on valve rod, branch
Frame lower end both sides are designed with fixing hole, are also configured with fixing hole relative to the position of fixing hole on support in bonnet, support column is worn
Cross support fixing hole corresponding with the bonnet of lower section to be fixedly connected, and nut is designed with above support column, nut and support column
Between be threadedly coupled, coordinate above support with valve rod and to be designed with two bearings, and set between the right side two bearings of support
In respect of lubricating cup, pressing plate is designed with above support, support is respectively designed with fixing hole with pressing plate both ends, and will be propped up by screw
Frame is fixedly connected with the pressing plate together, is provided with handwheel above pressing plate, and this only has locking nut above handwheel, locking nut with
It is threadedly coupled between valve rod.
Described gland platen width is shorter than pedestal lower end width.
Described valve body inlet and outlet all use welding manner.
The material that described valve body, valve seat use is F91.The encapsulant that valve body uses with bonnet is F316 stainless steel.
Advantages of the present invention:Valve body, seat material:Former 12Cr1MoV, it is now F91;Use pressure:Former below 2500LB,
It is now 3500LB;Former support uses steel-casting structure, and volume is big, weight weight;Now use the support column arrangement of building block system four, volume
It is small, it is in light weight, it is assembly and disassembly, easy to maintenance, save material 30%;Temperature in use:It is former less than 550 degree, it is existing more than 600 degree;Increase is other
Road pressure relief device, it is ensured that valve is safe for operation;Former valve body and valve bonnet seal material are 304 bound edge graphite, pressure 32MPa with
Under;More than 42MPa is now reached using F316 stainless steels, pressure;Increase a safety valve reservation device, suitable under special operation condition
Valve safe operation;Increase a blowdown apparatus, exclude dirt.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is that the valve rod of the present invention and bonnet coordinate schematic diagram.
Specific embodiment
Reference picture 1, the support column release blowdown hand sluice valve of nuclear power island heart level four, it includes valve body 2, flashboard 5, valve seat 3, valve
Bar 6, safety valve provided pipe 7, sealing ring 8, upper sealing 22, bonnet 9, packing belt 24, Packing seat with holes 23, filler pressing sleeve 21, pressure
Cover pressing plate 20, pressing plate 13, support column 17, support 10, nut 18, bolt 19, plug screw 1, handwheel 15, regulating valve 4, locking nut
16th, bearing 11, lubricating cup 12, the outside of lock body 2 are designed with regulating valve 4, and the lower end both sides of regulating valve 4 are respectively designed with two pipelines, point
Not Lian Jie valve body 2 water inlet and delivery port, be provided with discharge outlet among valve body 2, discharge outlet envisaged underneath has plug screw 1, plug screw 1
It is connected between discharge outlet, valve body 2 is designed with valve seat 3 above, is fixedly connected between valve body 2 and valve seat 3, in valve seat 3
Between be designed with the cavity plate of taper, cavity plate indoor design has flashboard 5, and safety is designed with the outside of valve body 2 in the upper right side of regulating valve 4
Valve provided pipe 7, it is fixedly connected between safety valve provided pipe 7 and valve body 2, has valve rod 6 in the indoor design of top valve body 2 of flashboard 5,
It is fixedly connected between valve rod 6 and flashboard 5, the top of valve body 2 is designed with bonnet 9, and the medium design of bonnet 9 has pilot hole, 9 sets of bonnet
On valve rod 6, fixing hole is designed with the both sides of bonnet 9, fixing hole is also configured with relative to the fixing hole both sides of bonnet 9 in valve body 2,
It is fixedly connected between bonnet 9 and valve body 2 by fixing hole bolt 19 and nut 18, and set between valve body 2 and bonnet 9
In respect of sealing ring 8, sealing ring 8 is located on the inside of bolt, and sealing 22, packing belt 24, band are designed between valve rod 6 and bonnet 9
Hole Packing seat 23, gland 21, upper sealing 22 are tightly connected between bottom and valve body 2, valve rod 6, and the upper top of sealing 22 is
Packing belt 24, there is Packing seat 23 with holes in the medium design of packing belt 24, gland 21 is connected with the upper seal of packing belt 24,
The top of gland 21 is designed with gland pressing plate 20, is fixedly connected between gland pressing plate 20 and valve rod, is set in the both sides of gland pressing plate 20
In respect of fixing hole, the bonnet 9 of lower section is also configured with fixing hole relative to the position of the fixing hole of gland pressing plate 20, gland pressing plate 20 with
It is fixedly connected between bonnet 9 by fixing hole bolt 19 and nut 18, the top of gland pressing plate 20 is provided with support 10,
Support 10 is enclosed on valve rod 6, and the lower end both sides of support 10 are designed with fixing hole, the position in bonnet 9 relative to fixing hole on support 10
Put and be also configured with fixing hole, support column 17 is fixedly connected through the fixing hole corresponding with lower section bonnet 9 of support 10, and support column
17 top is designed with nut 18, is threadedly coupled between nut 18 and support column 17, and side coordinates to set with valve rod 6 over the mount 10
In respect of two bearings 11, and lubricating cup 12 is designed between the right side two bearings 11 of support 10, is designed with the top of support 10
Pressing plate 13, support 10 and the both ends of pressing plate 13 are respectively designed with fixing hole, and by screw 14 by support 10 and the company of fixation of pressing plate 13
It is connected together, the top of pressing plate 13 is provided with handwheel 15, and this only has locking nut 16, locking nut 16 and valve rod above handwheel 15
It is threadedly coupled between 6.
The described width of gland pressing plate 20 is shorter than the lower end width of support 10.
Described valve body 2, which is imported and exported, all uses welding manner.
Described valve body 2, the material of valve seat 3 are F91, and the encapsulant that valve body 2 uses with bonnet 9 is F316 stainless steel.
Present invention design implementation process, the technical requirements and technical conditions that user investigates → identified project → design calculate,
Determine master-plan → design review of the technical parameter such as wall thickness of valve pressure part → valving scheme → according to the technology of design
It is required that qualified supplier → raw material that product purchasing production needs → is selected by standard and technical requirements detection with technical conditions
Check and accept → pressing detail of design tissue production → assembling → and properties are carried out to valve model machine by standard and the technical requirements of design
Detect and test → sending the authoritative department of authorized by state detect → detect it is qualified after, technique, production division formulate be adapted to
Mass production processes → tissue batch production.
Claims (4)
1. the support column release blowdown hand sluice valve of nuclear power island heart level four, it is characterised in that it includes valve body, flashboard, valve seat, valve
Bar, safety valve provided pipe, sealing ring, upper sealing, bonnet, packing belt, Packing seat with holes, filler pressing sleeve, pressing plate, support column, branch
Frame, support nut, handwheel, regulating valve, the external side of lock are designed with regulating valve, and regulating valve lower end both sides are respectively designed with two pipes
Road, the water inlet and delivery port of valve body are connected respectively, is provided with discharge outlet among valve body, discharge outlet envisaged underneath has plug screw, spiral shell
It is connected between plug and discharge outlet, valve seat is designed with above valve body, is fixedly connected between valve body and valve seat, is set among valve seat
In respect of the cavity plate for having taper, cavity plate indoor design has flashboard, and being designed with safety valve on the outside of the valve body in regulating valve upper right side reserves
Pipe, is fixedly connected between safety valve provided pipe and valve body, and valve rod, valve rod and flashboard branch are designed with the top valve inner of flashboard
Frame is fixedly connected, and bonnet is designed with above valve body, and bonnet medium design has pilot hole, and bonnet is enclosed on valve rod, in bonnet two
Side is designed with fixing hole, and fixing hole is also configured with relative to bonnet fixing hole both sides in valve body, by solid between bonnet and valve body
Determine hole to be fixedly connected with bolts and nuts, and sealing ring is designed between valve body and bonnet, sealing ring is located in bolt
Side, is designed with sealing, packing belt, Packing seat with holes, gland between valve rod and bonnet, and upper sealing is located at bottom and valve
It is tightly connected between body, valve rod, is packing belt above upper sealing, has Packing seat with holes in packing belt medium design, in packing belt
Upper seal be connected with gland, gland pressing plate is designed with above gland, is fixedly connected between gland pressing plate and valve rod,
Gland pressing plate both sides are designed with fixing hole, and the bonnet of lower section is also configured with fixing hole relative to the position of gland pressing plate fixing hole,
It is fixedly connected between gland pressing plate and bonnet by fixing hole with bolts and nuts, branch is provided with above gland pressing plate
Frame, for support casing on valve rod, pedestal lower end both sides are designed with fixing hole, are also set relative to the position of fixing hole on support in bonnet
In respect of fixing hole, support column is fixedly connected through support fixing hole corresponding with the bonnet of lower section, and the top design of support column
There is nut, be threadedly coupled between nut and support column, coordinate above support with valve rod and to be designed with two bearings, and in support
Right side two bearings between be designed with lubricating cup, be designed with pressing plate above support, support is respectively designed with solid with pressing plate both ends
Determine hole, and be fixedly connected with the pressing plate support together by screw, handwheel is installed above pressing plate, this only has above handwheel
Locking nut, it is threadedly coupled between locking nut and valve rod.
2. the support column release blowdown hand sluice valve of nuclear power island heart level four according to claim 1, it is characterised in that gland pressure
Plate width is shorter than pedestal lower end width.
3. the support column release blowdown hand sluice valve of nuclear power island heart level four according to claim 1, it is characterised in that valve body enters
Outlet all uses welding manner.
4. the support column release blowdown hand sluice valve of nuclear power island heart level four according to claim 1, it is characterised in that valve body,
The material that valve seat uses is F91;The encapsulant that valve body uses with bonnet is F316 stainless steel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710950125.4A CN107725808A (en) | 2017-10-13 | 2017-10-13 | The support column release blowdown hand sluice valve of nuclear power island heart level four |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710950125.4A CN107725808A (en) | 2017-10-13 | 2017-10-13 | The support column release blowdown hand sluice valve of nuclear power island heart level four |
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CN107725808A true CN107725808A (en) | 2018-02-23 |
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CN201710950125.4A Pending CN107725808A (en) | 2017-10-13 | 2017-10-13 | The support column release blowdown hand sluice valve of nuclear power island heart level four |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2230600A (en) * | 1938-06-09 | 1941-02-04 | Crane Co | Lubricated gate valve |
CN101201118A (en) * | 2007-12-21 | 2008-06-18 | 鞍山市浆液阀门制造有限公司 | Knife-shaped gate valve for slurry |
CN201475383U (en) * | 2009-08-21 | 2010-05-19 | 上海凯科阀门制造有限公司 | High-pressure hydrogen gate valve |
CN202719162U (en) * | 2012-11-24 | 2013-02-06 | 河南益和阀门有限公司 | Novel abrasion-resistant toughening ceramic throttling slurry valve |
CN205654895U (en) * | 2016-05-19 | 2016-10-19 | 南通国电电站阀门股份有限公司 | Parallel gate valve of water conservancy diversion hole inflation blowdown formula is not had in bypass of heavy -calibre area |
-
2017
- 2017-10-13 CN CN201710950125.4A patent/CN107725808A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2230600A (en) * | 1938-06-09 | 1941-02-04 | Crane Co | Lubricated gate valve |
CN101201118A (en) * | 2007-12-21 | 2008-06-18 | 鞍山市浆液阀门制造有限公司 | Knife-shaped gate valve for slurry |
CN201475383U (en) * | 2009-08-21 | 2010-05-19 | 上海凯科阀门制造有限公司 | High-pressure hydrogen gate valve |
CN202719162U (en) * | 2012-11-24 | 2013-02-06 | 河南益和阀门有限公司 | Novel abrasion-resistant toughening ceramic throttling slurry valve |
CN205654895U (en) * | 2016-05-19 | 2016-10-19 | 南通国电电站阀门股份有限公司 | Parallel gate valve of water conservancy diversion hole inflation blowdown formula is not had in bypass of heavy -calibre area |
Non-Patent Citations (1)
Title |
---|
中国华电工程(集团)有限公司、上海发电设备成套设计研究院: "《大型火电设备手册 汽水***设备》", 30 September 2009, 中国电力出版社 * |
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Application publication date: 20180223 |
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