CN204647375U - Nuclear power island heart high pressure adds the hard self-sealing gate valve of pipe arrangement pressure-relief type - Google Patents

Nuclear power island heart high pressure adds the hard self-sealing gate valve of pipe arrangement pressure-relief type Download PDF

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Publication number
CN204647375U
CN204647375U CN201520304754.6U CN201520304754U CN204647375U CN 204647375 U CN204647375 U CN 204647375U CN 201520304754 U CN201520304754 U CN 201520304754U CN 204647375 U CN204647375 U CN 204647375U
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CN
China
Prior art keywords
valve
pressure
pipe arrangement
valve body
nuclear power
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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.)
Expired - Fee Related
Application number
CN201520304754.6U
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Chinese (zh)
Inventor
徐永明
胡永祥
顾世军
郭玉林
赵怀忠
朱祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANTONG STATE ELECTRIC POWER VALVE CO Ltd
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NANTONG STATE ELECTRIC POWER VALVE CO Ltd
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Priority to CN201520304754.6U priority Critical patent/CN204647375U/en
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Publication of CN204647375U publication Critical patent/CN204647375U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a kind of nuclear power island heart high pressure and adds the hard self-sealing gate valve of pipe arrangement pressure-relief type.It comprises valve body, valve seat, flashboard, valve rod, pressure sealing ring, valve gap, pendant collet, gasket ring, filler, Stem Mut, pressing plate, support, pipe arrangement.Advantage is valve body material: WC9; Piping material: WB36; Welding wire R40 bottoming, welding rod R307 capping, four kinds of materials are welded into one; Valve adds that pipe arrangement effect is: reduce coal consumption, improve the thermal efficiency, makes unit operation reliable, constantly increases, increase economic efficiency; Be sealed into one-way sealing, novel structure, the pressure medium of pipe-line system is higher, and the sealability of valve is better, more reliably, ensure that the normal operation of pipe-line system; Pressure is 380V; Friction between valve seal pair is little, substantially increases the working life of valve; Selfsealings are hard sealing.

Description

Nuclear power island heart high pressure adds the hard self-sealing gate valve of pipe arrangement pressure-relief type
Technical field
The utility model relates to gate valve field, is specifically related to a kind of nuclear power island heart high pressure and adds the hard self-sealing gate valve of pipe arrangement pressure-relief type.
Background technique
The medium that traditional gate valve is connected or blocked in pipeline.In order to reduce energy consumption, improve generating efficiency, power generating equipment is just towards maximization, high parameter, high-performance development.This Project design is nuclear power high pressure valve, respectively adds a pipe arrangement in import and export, and play the effect of saving the energy, design a relief hole, valve plays pressure release effect under High Pressure, and the safety coefficient of valve improves.
Valve body (WC9) and the butt welding of pipe arrangement (WB36) dissimilar steel, welding performance is poor, and weld seam easily occurs crackle.
Summary of the invention
In order to solve the problem, the utility model proposes a kind of nuclear power island heart high pressure and add the hard self-sealing gate valve of pipe arrangement pressure-relief type, valve is used for nuclear power operating mode, the hard self sealing structure of main employing, valve body is imported and exported and is carried out dissimilar steel butt welding with pipe arrangement, solve the technological problems that welding performance is poor, meet applying working condition.
In order to reach foregoing invention object, the utility model proposes following technological scheme:
Nuclear power island heart high pressure adds the hard self-sealing gate valve of pipe arrangement pressure-relief type, and it comprises valve body, valve seat, flashboard, valve rod, pressure sealing ring, valve gap, pendant collet, gasket ring, filler, Stem Mut, pressing plate, support, pipe arrangement, in the middle of valve body, flashboard is housed, between flashboard and valve body, valve seat is housed, valve rod is equipped with in flashboard upper end, and valve gap is equipped with in valve body upper end, successively pressure sealing ring is housed from bottom to top between valve gap and valve body, gasket ring, pendant collet, pendant collet half embeds in valve body, and pendant collet is equipped with support above second half, and support is contained in valve body upper end by screw bolt and nut, successively Packing seat is housed from bottom to top between valve gap and valve rod, filler and be pressed with pressing plate above filler, pressing plate both sides are fixed on valve gap by screw rod and nut, in the middle of pedestal upper end, Stem Mut is housed, a bearing is respectively housed between the upper and lower two ends of Stem Mut and support, half common and braid wool felt collar is housed between bonnet nut lower end and support, bearing gland is stamped above the bearing of upper end, bearing gland is fixed on pedestal upper end by marking closely screw, be fixed on above valve rod in the middle of Stem Mut, valve body both sides entrance end is welded with pipe arrangement respectively, and side, valve seat upper end has relief hole.
Described nuclear power island heart high pressure adds the hard self-sealing gate valve of pipe arrangement pressure-relief type and uses pressure to be 380V.
The pressure sealing ring that described nuclear power island heart high pressure adds the hard self-sealing gate valve of pipe arrangement pressure-relief type is hard pressure sealing ring.
Described valve body material is WC9; Piping material is WB36; Soldering point structure is: welding wire R40 bottoming, welding rod R307 capping, and four kinds of materials are welded into one.
The utility model has the advantages that valve body material: WC9; Piping material: WB36; Welding consumables: welding wire R40 bottoming, welding rod R307 capping, four kinds of materials are welded into one; Valve adds that pipe arrangement effect is: reduce coal consumption, improve the thermal efficiency, makes unit operation reliable, constantly increases, increase economic efficiency; Sealing: former two way sealed is now one-way sealing, novel structure, and the pressure medium of pipe-line system is higher, and the sealability of valve is better, more reliably, ensure that the normal operation of pipe-line system; Operational torque time valve opening is closed is little, is 70% of traditional same specification valve, mostly reduces energy consumption; Pressure increase: former below 170V is now 380V.Friction between valve seal pair is little, substantially increases the working life of valve; Selfsealings: be soft seal originally, existing is hard sealing.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Embodiment
In order to further illustrate the utility model, introduce below in conjunction with Figure of description:
With reference to accompanying drawing, nuclear power island heart high pressure adds the hard self-sealing gate valve of pipe arrangement pressure-relief type, and it comprises valve body 1, valve seat 2, flashboard 3, valve rod 4, valve gap 5, pressure sealing ring 6, gasket ring 7, pendant collet 8, Packing seat 9, filler 10, support 11, Stem Mut 22, pressing plate 17, pipe arrangement 27, in the middle of valve body 1, flashboard 2 is housed, valve seat 3 is housed between flashboard 2 and valve body 1, and valve rod 4 is equipped with in flashboard 3 upper end, and valve gap 5 is equipped with in valve body 1 upper end, from bottom to top pressure sealing ring 6 is housed successively between valve gap 5 and valve body 1, gasket ring 7, pendant collet 8, pendant collet 8 half embeds in valve body 1, and pendant collet 8 is equipped with support 11 above second half, and support 11 is contained in valve body 1 upper end by bolt 25 and nut 26, from bottom to top Packing seat 9 is housed successively between valve gap 5 and valve rod 4, filler 10 and filler 10 are pressed with pressing plate 17 above, and pressing plate 17 both sides are by screw rod 16, pad 14 and nut 15 are fixed on valve gap 5, in the middle of support 11 upper end, Stem Mut 22 is housed, a bearing 21 is respectively housed between Stem Mut about 22 two ends and support 11, half common and braid wool felt collar 23 is housed between bonnet nut 22 lower end and support 11, bearing gland 20 is stamped above upper end bearing 21, bearing gland 20 is fixed on support 11 upper end by marking closely screw 19, be fixed on above valve rod 4 in the middle of Stem Mut 22, valve body 1 both sides entrance end is welded with pipe arrangement 27 respectively, side, valve seat 2 upper end has relief hole 28, famous brand is equipped with in lower end, support side, and lubricating cup 18 is equipped with in the side of Stem Mut 22 outrigger 11.

Claims (4)

1. nuclear power island heart high pressure adds the hard self-sealing gate valve of pipe arrangement pressure-relief type, it is characterized in that it comprises valve body, valve seat, flashboard, valve rod, pressure sealing ring, valve gap, pendant collet, gasket ring, filler, Stem Mut, pressing plate, support, pipe arrangement, in the middle of valve body, flashboard is housed, between flashboard and valve body, valve seat is housed, valve rod is equipped with in flashboard upper end, and valve gap is equipped with in valve body upper end, successively pressure sealing ring is housed from bottom to top between valve gap and valve body, gasket ring, pendant collet, pendant collet half embeds in valve body, and pendant collet is equipped with support above second half, and support is contained in valve body upper end by screw bolt and nut, successively Packing seat is housed from bottom to top between valve gap and valve rod, filler and be pressed with pressing plate above filler, pressing plate both sides are fixed on valve gap by screw rod and nut, in the middle of pedestal upper end, Stem Mut is housed, a bearing is respectively housed between the upper and lower two ends of Stem Mut and support, half common and braid wool felt collar is housed between bonnet nut lower end and support, bearing gland is stamped above the bearing of upper end, bearing gland is fixed on pedestal upper end by marking closely screw, be fixed on above valve rod in the middle of Stem Mut, valve body both sides entrance end is welded with pipe arrangement respectively, and side, valve seat upper end has relief hole.
2. nuclear power island according to claim 1 heart high pressure adds the hard self-sealing gate valve of pipe arrangement pressure-relief type, it is characterized in that described nuclear power island heart high pressure adds the hard self-sealing gate valve of pipe arrangement pressure-relief type and uses pressure to be 380V.
3. nuclear power island according to claim 1 heart high pressure adds the hard self-sealing gate valve of pipe arrangement pressure-relief type, it is characterized in that the pressure sealing ring that described nuclear power island heart high pressure adds the hard self-sealing gate valve of pipe arrangement pressure-relief type is hard pressure sealing ring.
4. nuclear power island according to claim 1 heart high pressure adds the hard self-sealing gate valve of pipe arrangement pressure-relief type, it is characterized in that described valve body material is WC9; Piping material is WB36; Soldering point structure is: welding wire R40 bottoming, welding rod R307 capping, and four kinds of materials are welded into one.
CN201520304754.6U 2015-05-13 2015-05-13 Nuclear power island heart high pressure adds the hard self-sealing gate valve of pipe arrangement pressure-relief type Expired - Fee Related CN204647375U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520304754.6U CN204647375U (en) 2015-05-13 2015-05-13 Nuclear power island heart high pressure adds the hard self-sealing gate valve of pipe arrangement pressure-relief type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520304754.6U CN204647375U (en) 2015-05-13 2015-05-13 Nuclear power island heart high pressure adds the hard self-sealing gate valve of pipe arrangement pressure-relief type

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CN204647375U true CN204647375U (en) 2015-09-16

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106402416A (en) * 2016-06-29 2017-02-15 南通国电电站阀门股份有限公司 Throttle valve welded with pipe under extra-high pressure and having hard self-sealed forged welding end and welding method
CN108662172A (en) * 2018-06-06 2018-10-16 中国船舶重工集团公司第七二五研究所 The one-way flow used in a kind of deep water is from underwater gate valve of releasing
CN109667944A (en) * 2017-10-13 2019-04-23 立信阀门集团有限公司 A kind of gate valve
CN109667943A (en) * 2017-10-13 2019-04-23 立信阀门集团有限公司 Gate valve

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106402416A (en) * 2016-06-29 2017-02-15 南通国电电站阀门股份有限公司 Throttle valve welded with pipe under extra-high pressure and having hard self-sealed forged welding end and welding method
CN106402416B (en) * 2016-06-29 2018-11-13 南通国电电站阀门股份有限公司 Extra-high voltage adds the hard self sealss forging welding end throttle valve of piping and welding method
CN109667944A (en) * 2017-10-13 2019-04-23 立信阀门集团有限公司 A kind of gate valve
CN109667943A (en) * 2017-10-13 2019-04-23 立信阀门集团有限公司 Gate valve
CN108662172A (en) * 2018-06-06 2018-10-16 中国船舶重工集团公司第七二五研究所 The one-way flow used in a kind of deep water is from underwater gate valve of releasing

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address

Address after: 226557, Taoyuan West Road, Chengnan street, Rugao City, Jiangsu, Nantong province 1

Patentee after: Nantong State Electric Power Valve Co., Ltd.

Address before: 226500 No. 1 Taoyuan West Road, Taoyuan Town, Jiangsu, Nantong

Patentee before: Nantong State Electric Power Valve Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150916

Termination date: 20200513