CN203847733U - High-pressure-resistant energy-saving gate valve with pipes - Google Patents
High-pressure-resistant energy-saving gate valve with pipes Download PDFInfo
- Publication number
- CN203847733U CN203847733U CN201420200180.3U CN201420200180U CN203847733U CN 203847733 U CN203847733 U CN 203847733U CN 201420200180 U CN201420200180 U CN 201420200180U CN 203847733 U CN203847733 U CN 203847733U
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- Prior art keywords
- valve
- welding
- pipe arrangement
- valve body
- ring
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- Expired - Fee Related
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- 238000003466 welding Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000012856 packing Methods 0.000 claims description 21
- 210000004907 gland Anatomy 0.000 claims description 19
- 239000000945 filler Substances 0.000 claims description 15
- 230000001050 lubricating effect Effects 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 210000002268 wool Anatomy 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003245 coal Substances 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000002537 cosmetic Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model relates to the field of gate valves, in particular to a high-pressure-resistant energy-saving gate valve with pipes. The high-pressure-resistant energy-saving gate valve with the pipes mainly comprises a high-pressure rigid self-sealing structure, and dissimilar steel butt welding is carried out on an inlet and an outlet of a valve body and the pipes, so that the technical problem of poor welding performance can be solved, and requirements of service working conditions can be met. The high-pressure-resistant energy-saving gate valve has the advantages that the valve body is made of materials A105; the pipes are made of materials MB36; welding materials include welding wires and welding rods, the welding wires TIG-R10 are used for backing weld, the welding rods J607RH are used for cosmetic welding, and the materials A105, the materials WB36, the welding wires TIG-R10 and the welding rods J607RH are integrally welded with one another; the valve is provided with the pipes, so that coal consumption can be reduced, the heat efficiency can be improved, a unit can run reliably, and an economic benefit can be continuously increased; the aperture, which is originally smaller than 12 inches, of the high-pressure-resistant energy-saving gate valve is enlarged and is 14 inches; the pressures which are originally lower than 32MPa are increased and are lower than 42MPa; rigid self-sealing effects can be realized instead of the original flexible sealing effects; a valve seat is of a fixed structure, hard alloy is subjected to buildup welding on sealing surfaces, accordingly, the corrosion resistance and the abrasion resistance of the valve can be improved, and the service life of the valve can be prolonged.
Description
Technical field
The utility model relates to gate valve field, is specifically related to a kind of high pressure resistant pipe arrangement energy conserving gate valve that adds.
Background technique
The open-shut device of 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 valve parameter.Gate valve driving mode classification: hand sluice valve, Pneumatic gate valve, electric gate valve.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.Valve pressure increases, and former self-sealing material is folder nickel wire graphite, and pressure is below 32MPa, and this parameter can not meet development need, can not improve performance again.And valve body (A105) was poor with pipe arrangement dissimilar steel (WB36) butt welding welding performance in the past, easily there is crackle in weld seam.
Summary of the invention
In order to address the above problem, the utility model proposes a kind of high pressure resistant pipe arrangement energy conserving gate valve that adds, valve mainly adopts high pressure, hard self sealing structure, valve body is imported and exported with pipe arrangement and is carried out dissimilar steel butt welding, solves the poor technological problems of welding performance, meets applying working condition.
The high pressure resistant pipe arrangement energy conserving gate valve that adds, it comprises valve body, valve seat, flashboard, valve rod, valve gap, pressure sealing ring, felt ring (collar, pendant collet, support, packing ring, Stem Mut, plane bearing, bearing gland, mark closely screw, lubricating cup, filling body and pipe arrangement, valve body outer end connecting pipings, flashboard is housed in the middle of valve body, valve seat is equipped with in flashboard both sides, valve seat is between flashboard and valve body, flashboard upper end connects valve rod, valve gap is housed in the middle of valve body upper end, pressure sealing ring is equipped with in valve gap upper end, felt ring (collar is housed on pressure sealing ring, felt ring (collar upper end is pendant collet, pendant collet is stuck in the annular groove of valve body upper end, inner side, pendant collet upper end is pressure ring, pressure ring is fixedly connected on valve gap by stud bolt and nut, support is fixedly connected on valve body upper end by stud bolt and nut, support upper end cylinder groove shape, Stem Mut and plane bearing are equipped with in inside, upper end is also pressed on plane bearing by bearing gland, between bearing gland and support, also have Cock screw to be connected, in the middle of valve gap, it is filling-material structure, valve rod is connected in Stem Mut through filling body and upper end, there is annular protrusion in Stem Mut outside, plane bearing is contained in respectively the upper and lower end of annular protrusion and is positioned at the cylinder groove of support upper end, between Stem Mut lower end and support, packing ring is housed, the support upper end external side of cylinder groove is equipped with lubricating cup, valve body both sides entrance end is connected with pipe arrangement, valve body material is A105, pipe arrangement material is WB36, valve body and pipe arrangement pass through welding wire TIG-R10 bottoming, welding rod J607RH capping, and four kinds of materials are integrally welded.
Described filling body comprises filler, Packing seat, gland and pressing plate, Packing seat is contained in valve gap inner side, filler is equipped with in Packing seat upper end, filler top is pressed with gland, gland top is pressed with pressing plate, pressing plate is fixed and clamped in valve gap upper end through support, pressure ring, pendant collet by stud bolt, nut and pad and stud bolt, and Packing seat, filler pressing sleeve and pressing plate are enclosed within valve rod outside successively, and Packing seat and filler are between valve gap and valve rod.
The described high pressure resistant bore that adds the import and export of pipe arrangement energy conserving gate valve is 14 inches.
During the described high pressure resistant working pressure that adds pipe arrangement energy conserving gate valve, be less than or equal to 42MPa.
Described felt ring (collar is that half common and braid wool felt is made.
Described pressure sealing ring is to adopt 304 stainless steels to make.
The utility model has the advantages that valve body material: A105; Pipe arrangement material: WB36; Welding consumables: welding wire TIG-R10 bottoming, welding rod J607RH capping, four kinds of materials are welded into one; Valve adds that pipe arrangement effect is: reduce coal consumption, improve the thermal efficiency, make unit operation reliable, constantly increase, increase economic efficiency; Bore increases: former below 12 inches, be now 14 inches; Pressure increases: below former 32MPa, be now below 42MPa; Selfsealings: former soft seal, existing is hard sealing; Valve seat adopts fixed structure, and sealing surface weld deposit cemented carbide has improved corrosion resistance and the wear resistance of valve, has extended the working life of valve.
Accompanying drawing explanation
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, introduce:
With reference to accompanying drawing 1, the high pressure resistant pipe arrangement energy conserving gate valve that adds, it comprises valve body 1, valve seat 2, flashboard 3, valve rod 4, valve gap 5, pressure sealing ring 6, felt ring (collar 7, pendant collet 8, pressure ring 9, support 12, packing ring 13, Stem Mut 14, plane bearing 15, bearing gland 16, mark closely screw 17, lubricating cup 18, filling body and pipe arrangement 28, valve body 1 outer end connecting pipings 28, flashboard 3 is housed in the middle of valve body 1, valve seat 2 is equipped with in flashboard 3 both sides, valve seat 2 is between flashboard 3 and valve body 1, flashboard 3 upper ends connect valve rod 4, valve body is equipped with valve gap 5 in the middle of 1 upper end, pressure sealing ring 6 is equipped with in valve gap 5 upper ends, felt ring (collar 7 is housed on pressure sealing ring 5, felt ring (collar 7 upper ends are pendant collets 8, pendant collet 8 is stuck in the annular groove of valve body 1 upper end, pendant collet 8 inner sides, upper end are pressure rings 9, pressure ring 9 is fixedly connected on valve gap 5 by stud bolt 10 and nut 11, support 12 is fixedly connected on valve body 1 upper end by stud bolt 24 and nut 25, support 12 upper end cylinder groove shapes, Stem Mut 14 and plane bearing 15 are equipped with in inside, upper end is also pressed on plane bearing 15 by bearing gland 16, between bearing gland 16 and support 12, also have Cock screw 17 to be connected, in the middle of valve gap 5, it is filling-material structure, valve rod 4 is connected in Stem Mut 14 through filling body and upper end, there is annular protrusion in Stem Mut 14 outsides, plane bearing 15 is contained in respectively the upper and lower end of annular protrusion and is positioned at the cylinder groove of support 12 upper ends, between Stem Mut 14 lower ends and support 12, packing ring 13 is housed, the external side of support 12 upper end cylinder groove is equipped with lubricating cup 18, valve body 1 both sides entrance end is connected with pipe arrangement 28, valve body 1 material is A105, pipe arrangement 28 materials are WB36, valve body 1 and pipe arrangement 28 pass through welding wire TIG-R10 bottoming, welding rod J607RH capping, and four kinds of materials are integrally welded.
Described filling body comprises filler 26, Packing seat 27, gland 23 and pressing plate 22, Packing seat 27 is contained in valve gap 5 inner sides, filler 26 is equipped with in Packing seat 27 upper ends, filler 26 tops are pressed with gland 23, gland 23 tops are pressed with pressing plate 22, pressing plate 22 is fixed and clamped in valve gap 5 upper ends through support 12, pressure ring 9, pendant collet 8 by stud bolt 19, nut 20 and pad 21 and stud bolt 19, Packing seat 27, filler 26, gland 23 and pressing plate 22 are enclosed within valve rod 4 outsides successively, and Packing seat 27 and filler 26 are between valve gap 5 and valve rod 4.
The described high pressure resistant bore that adds the import and export of pipe arrangement energy conserving gate valve is 14 inches.
During the described high pressure resistant working pressure that adds pipe arrangement energy conserving gate valve, be less than or equal to 42MPa.
Described felt ring (collar 7 is that half common and braid wool felt is made.
Described pressure sealing ring 6 is to adopt 304 stainless steels to make.
Claims (5)
1. the high pressure resistant pipe arrangement energy conserving gate valve that adds, it comprises valve body, valve seat, flashboard, valve rod, valve gap, pressure sealing ring, felt ring (collar, pendant collet, support, packing ring, Stem Mut, plane bearing, bearing gland, mark closely screw, lubricating cup, filling body and pipe arrangement, it is characterized in that valve body outer end connecting pipings, flashboard is housed in the middle of valve body, valve seat is equipped with in flashboard both sides, valve seat is between flashboard and valve body, flashboard upper end connects valve rod, valve gap is housed in the middle of valve body upper end, pressure sealing ring is equipped with in valve gap upper end, felt ring (collar is housed on pressure sealing ring, felt ring (collar upper end is pendant collet, pendant collet is stuck in the annular groove of valve body upper end, inner side, pendant collet upper end is pressure ring, pressure ring is fixedly connected on valve gap by stud bolt and nut, support is fixedly connected on valve body upper end by stud bolt and nut, support upper end cylinder groove shape, Stem Mut and plane bearing are equipped with in inside, upper end is also pressed on plane bearing by bearing gland, between bearing gland and support, also have Cock screw to be connected, in the middle of valve gap, it is filling-material structure, valve rod is connected in Stem Mut through filling body and upper end, there is annular protrusion in Stem Mut outside, plane bearing is contained in respectively the upper and lower end of annular protrusion and is positioned at the cylinder groove of support upper end, between Stem Mut lower end and support, packing ring is housed, the support upper end external side of cylinder groove is equipped with lubricating cup, valve body both sides entrance end is connected with pipe arrangement, valve body material is A105, pipe arrangement material is WB36, valve body and pipe arrangement pass through welding wire TIG-R10 bottoming, welding rod J607RH capping, and four kinds of materials are integrally welded.
2. the high pressure resistant pipe arrangement energy conserving gate valve that adds according to claim 1, it is characterized in that described filling body comprises filler, Packing seat, gland and pressing plate, Packing seat is contained in valve gap inner side, filler is equipped with in Packing seat upper end, filler top is pressed with gland, gland top is pressed with pressing plate, pressing plate is fixed and clamped in valve gap upper end through support, pressure ring, pendant collet by stud bolt, nut and pad and stud bolt, Packing seat, filler pressing sleeve and pressing plate are enclosed within valve rod outside successively, and Packing seat and filler are between valve gap and valve rod.
3. the high pressure resistant pipe arrangement energy conserving gate valve that adds according to claim 1, is characterized in that the described high pressure resistant bore that adds the import and export of pipe arrangement energy conserving gate valve is 14 inches.
4. the high pressure resistant pipe arrangement energy conserving gate valve that adds according to claim 1, is characterized in that described felt ring (collar is that half common and braid wool felt is made.
5. the high pressure resistant pipe arrangement energy conserving gate valve that adds according to claim 1, is characterized in that described pressure sealing ring is to adopt 304 stainless steels to make.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420200180.3U CN203847733U (en) | 2014-04-23 | 2014-04-23 | High-pressure-resistant energy-saving gate valve with pipes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420200180.3U CN203847733U (en) | 2014-04-23 | 2014-04-23 | High-pressure-resistant energy-saving gate valve with pipes |
Publications (1)
Publication Number | Publication Date |
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CN203847733U true CN203847733U (en) | 2014-09-24 |
Family
ID=51560751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420200180.3U Expired - Fee Related CN203847733U (en) | 2014-04-23 | 2014-04-23 | High-pressure-resistant energy-saving gate valve with pipes |
Country Status (1)
Country | Link |
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CN (1) | CN203847733U (en) |
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2014
- 2014-04-23 CN CN201420200180.3U patent/CN203847733U/en not_active Expired - Fee Related
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Legal Events
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: 20140924 Termination date: 20200423 |
|
CF01 | Termination of patent right due to non-payment of annual fee |