CN203286026U - Supercritical elastic self-sealing sluice valve - Google Patents

Supercritical elastic self-sealing sluice valve Download PDF

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Publication number
CN203286026U
CN203286026U CN2013203275933U CN201320327593U CN203286026U CN 203286026 U CN203286026 U CN 203286026U CN 2013203275933 U CN2013203275933 U CN 2013203275933U CN 201320327593 U CN201320327593 U CN 201320327593U CN 203286026 U CN203286026 U CN 203286026U
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CN
China
Prior art keywords
valve
valve body
flashboard
sealing
overcritical
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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
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CN2013203275933U
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Chinese (zh)
Inventor
徐永明
胡永祥
郭玉林
赵怀忠
朱祥
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NANTONG STATE ELECTRIC POWER VALVE CO Ltd
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Priority to CN2013203275933U priority Critical patent/CN203286026U/en
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Publication of CN203286026U publication Critical patent/CN203286026U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to the field of sluice valves, in particular to a supercritical elastic self-sealing sluice valve. The supercritical elastic self-sealing sluice valve comprises a valve body, a valve seat, a gate, a valve rod, a valve deck, a self-sealing ring, a backing ring, a four piece ring, a packing mechanism, a support and a rotating mechanism. The supercritical elastic self-sealing sluice valve further comprises tubing which is welded to the inlet end and the outlet end of the valve body. The supercritical elastic self-sealing sluice valve has the advantages that the design is simple, energy consumption is lowered, work efficiency is improved, equipment operation is more reliable, economic benefits are increased, zero leakage of a valve sealing surface is realized, the anti-cavitation and anti-scouring capabilities of the gate and the valve seat are enhanced, the overall performance and usage of the valve are improved.

Description

Overcritical elasticity self-sealing gate valve
Technical field
The utility model relates to the gate valve field, particularly a kind of overcritical elasticity self-sealing gate valve.
Background technique
The open-shut device of gate valve is flashboard, and moving direction and the flow direction of flashboard are perpendicular, and gate valve can only be made standard-sized sheet and complete shut-down, can not make adjustments and throttling.Flashboard has two sealing surfaces, and two sealing surfaces of the most frequently used pattern gate valve form wedge shape, key groove is different with the valve parameter.Gate valve driving mode classification: hand sluice valve, Pneumatic gate valve, electric gate valve.The gate valve material has: cast iron gate valve, nodular cast iron gate valve, stainless steel sluice valve, forged steel gate valve etc.The medium in pipeline is connected or blocked to traditional gate valve, in order to reduce energy consumption, improve generating efficiency, power generating equipment is just towards maximization, high parameter, high-performance development, requirement to gate valve is also more and more higher, but some problems are still arranged, for example the valve seepage that causes of the scarce capacity of anti-cavitation and antiscour.
Summary of the invention
In order to address the above problem, the utility model proposes a kind of overcritical elasticity self-sealing gate valve, solve valve sealing face zero seepage, improve flashboard and the anti-cavitation of valve seat and the ability of antiscour, reduce energy consumption, increase work efficiency.
, in order to reach the foregoing invention purpose, the utility model proposes following technological scheme:
overcritical elasticity self-sealing gate valve, it comprises valve body, valve seat, flashboard, valve rod, valve gap, the selfsealings circle, gasket ring, pendant collet, filling body, support and rotating machinery, flashboard is loaded in the middle of valve body, valve seat is loaded between flashboard and valve body, the flashboard upper end connects valve rod, the flashboard top is valve gap, valve gap is enclosed within on valve rod, be loaded on the valve body upper end, the selfsealings circle is housed between valve gap and valve body, gasket ring and pendant collet, gasket ring is pressed on the selfsealings circle, pendant collet is stuck on gasket ring, filling body is equipped with in the valve gap upper end, support upper end support and connection rotating machinery, the support lower end is fixedly connected on the valve body upper end by stud bolt, valve rod passes filling body and is spun in rotating machinery, described overcritical elasticity self-sealing gate valve also comprises pipe arrangement, pipe arrangement is welded on valve body and advances, the outlet two ends.
described filling body comprises Packing seat, backing plate, the pretension dish, divided ring, gland, pressing plate, filler, stud bolt, pad, hexagon nut and square headed screw, Packing seat and filler are enclosed within on valve rod, between valve gap and valve rod, it is Packing seat below filler, the filler top is pressed with gland, the gland top is pressing plate, the valve gap middle-end outside is pressed with backing plate, the backing plate top is the pretension dish, between pretension dish and valve gap upper end, divided ring is housed, be screwed with square headed screw on the pretension dish, the square headed screw lower end is supported on above backing plate, pressing plate and pretension dish pass through stud bolt, pad and hexagon nut are fastenedly connected.
Described rotating machinery comprises nut sleeve, Stem Mut, bearing gland, marks closely screw and plane bearing, Stem Mut is screwed in the valve rod upper end, nut sleeve is loaded on the Stem Mut outside, between the nut sleeve outside and support, plane bearing is housed, bearing gland is pressed in above plane bearing, marks closely screw bearing gland is fixed on support.
Described valve body material is WC6, and the pipe arrangement material is the xenogenesis steel P 91.
Described pipe arrangement and valve body pass through welding wire R40 bottoming, welding rod R407 capping, and four kinds of materials are welded.
The utility model has the advantages that simplicity of design, reduce energy consumption, increase work efficiency, make the equipment operation more reliable, increase economic efficiency, solved valve sealing face zero seepage, improve the anti-cavitation of flashboard and valve seat and the ability of antiscour, improved overall performance and the use of valve.
Description of drawings
Fig. 1 is schematic diagram of the present utility model.
Embodiment
, for the utility model is further illustrated, below in conjunction with Figure of description, further introduce:
with reference to accompanying drawing, overcritical elasticity self-sealing gate valve, it comprises valve body 1, valve seat 2, flashboard 3, valve rod 4, valve gap 5, selfsealings circle 6, gasket ring 7, pendant collet 8, filling body, support 15 and rotating machinery, flashboard 3 is loaded in the middle of valve body 1, valve seat 2 is loaded between flashboard 3 and valve body 1, flashboard 3 upper ends connect valve rod 4, flashboard 3 tops are valve gaps 5, valve gap 5 is enclosed within on valve rod 4, be loaded on valve body 1 upper end, between valve gap 5 and valve body 1, selfsealings circle 6 is housed, gasket ring 7 and pendant collet 8, gasket ring 7 is pressed on selfsealings circle 6, pendant collet 8 is stuck on gasket ring 7, filling body is equipped with in valve gap 5 upper ends, support 15 upper end support and connection rotating machinerys, support 15 lower ends are fixedly connected on valve body 1 upper end by stud bolt 25, valve rod 4 passes filling body and is spun in rotating machinery, described overcritical elasticity self-sealing gate valve also comprises pipe arrangement 27, pipe arrangement 27 is welded on valve body 1 and advances, the outlet two ends.
described filling body comprises Packing seat 9, backing plate 10, pretension dish 11, divided ring 12, gland 13, pressing plate 14, filler 26, stud bolt 21, pad 22, hexagon nut 23 and square headed screw 24, Packing seat 9 and filler 26 are enclosed within on valve rod 4, between valve gap 5 and valve rod 4, it is Packing seat 9 below filler 26, filler 26 tops are pressed with gland 13, gland 13 tops are pressing plates 14, the valve gap 5 middle-end outsides are pressed with backing plate 10, backing plate 10 tops are pretension dishes 11, between pretension dish 11 and valve gap 5 upper ends, divided ring 12 is housed, be screwed with square headed screw 24 on pretension dish 11, square headed screw 24 lower ends are supported on above backing plate 10, pressing plate 14 passes through stud bolt 21 with pretension dish 11, pad 22 and hexagon nut 23 are fastenedly connected.
Described rotating machinery comprises nut sleeve 16, Stem Mut 17, bearing gland 18, marks closely screw 19 and plane bearing 20, Stem Mut 17 is screwed in valve rod 4 upper ends, nut sleeve 16 is loaded on Stem Mut 17 outsides, between nut sleeve 16 outsides and support 15, plane bearing 20 is housed, bearing gland 18 is pressed in above plane bearing 20, marks closely screw 19 bearing gland 18 is fixed on support 15.
Described valve body 1 material is WC6, and pipe arrangement 27 materials are xenogenesis steel P 91s.
Described pipe arrangement 27 passes through welding wire R40 bottoming with valve body 1, welding rod R407 capping, and four kinds of materials are welded.

Claims (5)

1. overcritical elasticity self-sealing gate valve, it comprises valve body, valve seat, flashboard, valve rod, valve gap, the selfsealings circle, gasket ring, pendant collet, filling body, support and rotating machinery, flashboard is loaded in the middle of valve body, valve seat is loaded between flashboard and valve body, the flashboard upper end connects valve rod, the flashboard top is valve gap, valve gap is enclosed within on valve rod, be loaded on the valve body upper end, the selfsealings circle is housed between valve gap and valve body, gasket ring and pendant collet, gasket ring is pressed on the selfsealings circle, pendant collet is stuck on gasket ring, filling body is equipped with in the valve gap upper end, support upper end support and connection rotating machinery, the support lower end is fixedly connected on the valve body upper end by stud bolt, valve rod passes filling body and is spun in rotating machinery, it is characterized in that described overcritical elasticity self-sealing gate valve also comprises pipe arrangement, pipe arrangement is welded on valve body and advances, the outlet two ends.
2. overcritical elasticity self-sealing gate valve according to claim 1, it is characterized in that described filling body comprises Packing seat, backing plate, the pretension dish, divided ring, gland, pressing plate, filler, stud bolt, pad, hexagon nut and square headed screw, Packing seat and filler are enclosed within outside valve rod, between valve gap and valve rod, it is Packing seat below filler, the filler top is pressed with gland, the gland top is pressing plate, the valve gap middle-end outside is pressed with backing plate, the backing plate top is the pretension dish, between pretension dish and valve gap upper end, divided ring is housed, be screwed with square headed screw on the pretension dish, the square headed screw lower end is supported on above backing plate, pressing plate and pretension dish pass through stud bolt, pad and hexagon nut are fastenedly connected.
3. overcritical elasticity self-sealing gate valve according to claim 1, it is characterized in that described rotating machinery comprises nut sleeve, Stem Mut, bearing gland, marks closely screw and plane bearing, Stem Mut is screwed in the valve rod upper end, nut sleeve is loaded on the Stem Mut outside, between the nut sleeve outside and support, plane bearing is housed, bearing gland is pressed in above plane bearing, marks closely screw bearing gland is fixed on support.
4. overcritical elasticity self-sealing gate valve according to claim 1, is characterized in that described valve body material is WC6, and the pipe arrangement material is the xenogenesis steel P 91.
5. overcritical elasticity self-sealing gate valve according to claim 1, is characterized in that described pipe arrangement and valve body by welding wire R40 bottoming, welding rod R407 capping, and four kinds of materials are welded.
CN2013203275933U 2013-06-07 2013-06-07 Supercritical elastic self-sealing sluice valve Expired - Fee Related CN203286026U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013203275933U CN203286026U (en) 2013-06-07 2013-06-07 Supercritical elastic self-sealing sluice valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013203275933U CN203286026U (en) 2013-06-07 2013-06-07 Supercritical elastic self-sealing sluice valve

Publications (1)

Publication Number Publication Date
CN203286026U true CN203286026U (en) 2013-11-13

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CN2013203275933U Expired - Fee Related CN203286026U (en) 2013-06-07 2013-06-07 Supercritical elastic self-sealing sluice valve

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103968095A (en) * 2014-05-19 2014-08-06 江苏金石科技有限公司 Thermal recovery manual flat gate valve of metallic seal
CN113324056A (en) * 2021-07-06 2021-08-31 福建省开诚机械有限公司 High-temperature and high-pressure resistant WCB valve steel casting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103968095A (en) * 2014-05-19 2014-08-06 江苏金石科技有限公司 Thermal recovery manual flat gate valve of metallic seal
CN113324056A (en) * 2021-07-06 2021-08-31 福建省开诚机械有限公司 High-temperature and high-pressure resistant WCB valve steel casting

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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: 226557, Taoyuan West Road, Taoyuan Town, Nantong City, Jiangsu, Rugao 1

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

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

Granted publication date: 20131113

Termination date: 20200607

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