CN203453490U - Metallic seal heat preservation jacket butterfly valve - Google Patents
Metallic seal heat preservation jacket butterfly valve Download PDFInfo
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- CN203453490U CN203453490U CN201320557406.0U CN201320557406U CN203453490U CN 203453490 U CN203453490 U CN 203453490U CN 201320557406 U CN201320557406 U CN 201320557406U CN 203453490 U CN203453490 U CN 203453490U
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Abstract
The utility model discloses a metallic seal heat preservation jacket butterfly valve. The metallic seal heat preservation jacket butterfly valve comprises a pressing sleeve, a plurality of shaft sleeves, anti-dust devices, a valve rod, cone pins, a valve plate, a valve body, a heat preservation jacket layer, fillers, a filler pressing sleeve, a filler pressing plate, a valve seat, a valve seat pressing ring and a plurality of steam interfaces, wherein the valve body is of an overall cast structure, the whole heat preservation jacket layer wraps the wall of the valve body, shaft holes are formed in the two ends of the valve body, the fillers are arranged in the shaft holes, the fillers are extruded through the filler pressing sleeve and the filler pressing plate, the filler pressing sleeve and the filler pressing plate are fixed to the valve body, the valve rod is of an integral structure, the valve plate is connected with the valve rod through the plurality of cone pins, the exposed portions of the cone pins are in spot welding with the valve plate, and threaded holes are formed outside the cone pins. According to the metallic seal heat preservation jacket butterfly valve, the heat preservation aim of the whole valve is achieved, the phenomenon that the shaft sleeves and the valve rod are stuck or locked due to the fact that media enter the shaft sleeves is avoided, meanwhile, the shaft sleeves are also wrapped in the heat preservation jacket layer, the mechanical deformation phenomenon caused by the temperature difference is eliminated, and the service life of the valve is prolonged.
Description
[technical field]
The utility model relates to the technical field of metal sealing insulation jacket butterfly valve, is specially adapted to the commercial plant medium such as oil, chemical industry and need be incubated or accompanies the technical field of controlling butterfly valve on hot process pipe.
[background technique]
In the commercial plants such as oil, chemical industry, Coal Chemical Industry, light industry, the medium in some pipe-line systems is due to its characteristic, is prone at a certain temperature crystallization, solidifies or phenomenon that viscosity increases.As media such as sulphur, pitches.
Along with China's economy is lasting, fast-developing, sulfur-bearing crude import volume increases year by year, must carry out desulfurization processing, and reclaimed in oil refining process, realizes cleaner production, reaches and turns harm into good, and turns waste into wealth, and reduces and pollutes, the object of protection of the environment.Due to the characteristic of sulphur, its temperature is best 140～145 ℃ of mobility, the too low crystalline polamer that is prone to, and too high viscosity increases.Therefore, a large amount of control valves in whole sulfur recovery facility need steam to accompany heat, to guarantee the normal operation of whole device.
In the smaller occasion of some pipe diameters, generally select Thermal insulating ball valve or heat insulation gate valve to come implementation procedure to control at present.When pipe diameter is larger, the cost of ball valve or gate valve is high more a lot of than the butterfly valve of same size, and, due to ball valve or gate valve self structure characteristic, make it have processing difficulties, high in cost of production shortcoming.There is the even locking of the easy clamping stagnation of axle sleeve in the valve at present with heat insulation function both at home and abroad, open and the shortcomings such as fit badly, be incubated thoroughly, working life is short.
[model utility content]
The purpose of this utility model solves the problems of the prior art exactly, proposes a kind of metal sealing insulation jacket butterfly valve, can eliminate between valve rod and axle sleeve and have easy stuck phenomenon, effectively guarantees valve integral heat insulation performance, easy for installation, long service life.
For achieving the above object, the utility model proposes a kind of metal sealing insulation jacket butterfly valve, comprise gland, some axle sleeves, dust guard, valve rod, taper pin, valve plate, valve body, thermal insulation clamp jacket layer, filler, filler pressing sleeve, hold-down grid, valve seat, valve seat trim ring, some vapor interfaces, described valve body is cast inblock structure, thermal insulation clamp jacket layer integral coating is in valve body wall outside, the two ends of valve body have axis hole, in axis hole, be provided with filler, described filler is pushed by filler pressing sleeve and hold-down grid, filler pressing sleeve and hold-down grid are fixed on valve body, described valve rod adopts integral structure, guarantee concentricity, valve plate connects with valve rod by some taper pins, described taper pin exposed portions serve and valve plate spot welding, taper pin outside is provided with tapped hole for convenience detach, be convenient to safeguard.
As preferably, described valve seat is U-shaped valve seat, and the empennage of U-shaped valve seat is bumped into by hexagon socket head cap screw and is fixed in the valve seat trim ring of valve outlet side, and U-shaped valve seat is floating structure, can automatic central adjusting under the active force of valve plate.
As preferably, described valve plate is three eccentric structures, makes sealing surface ovalize conical structure, and the sealing surface of valve plate adopts whole pile-up welding hard alloy layer, increases wear resistance.
As preferably, described thermal insulation clamp jacket layer integral coating is in valve outer wall side, with the flange of valve body inside integrally welded, make to form between thermal insulation clamp jacket layer and valve outer wall the heat-insulated cavity of an all-pass, realize the object of valve integral heat insulation.
As preferably, described axle sleeve is placed in the axle sleeve hole at valve body two ends, before the axle sleeve of two ends, is equipped with dust guard, prevents that medium from entering the phenomenon that axle sleeve produces axle sleeve and valve rod clamping stagnation or locking, while two axle sleeves, all in thermal insulation clamp jacket layer, have effectively increased the working life of valve.
As preferably, also comprise semi-loop, the cylindrical of described semi-loop is placed between the axle sleeve and gland of valve rear end portion, and the inner circle of semi-loop is placed in the groove of valve rod afterbody, prevents valve rod axial displacement, greatly reduces frictional force simultaneously.
As preferably, the quantity of described vapor interface is three, comprise the first vapor interface, the second vapor interface and the 3rd vapor interface, the first vapor interface, the second vapor interface and the 3rd vapor interface are all arranged on thermal insulation clamp jacket layer, adopt three mouthfuls without dead angle design, be distributed on thermal insulation clamp jacket layer, can realize on the pipeline of valve any direction and installing, meanwhile, three vapor interfaces all can be arranged condensed water.
As preferably, the quantity of described taper pin is four, and valve plate connects with valve rod by four taper pins of mutual dislocation, has improved fastness and stability that valve plate connects with valve rod.
As preferably, described filler pressing sleeve and hold-down grid adopt follower bolt and nut to be fixed on valve body, simple in structure, easy to assembly.
The beneficial effects of the utility model: the utility model is by adopting at butterfly valve body outer wall integral coating one thermal insulation clamp jacket layer, realized the object of valve integral heat insulation, and at axle sleeve place, two ends, dust guard is set, avoided medium to enter the phenomenon that axle sleeve produces axle sleeve and valve rod clamping stagnation or locking, axle sleeve is also coated in thermal insulation layer simultaneously, eliminate the mechanically deformation phenomenon causing due to temperature difference, improved valve working life.Valve plate adopts three eccentric structures, valve seat adopts the U-shaped structure of metal, under the effect of valve plate in eccentric angle, produce under axial force, make U-shaped valve seat generation deformation, until with sealing surface of valve plate tight connecting, form the linear sealing of metal to metal, make valve there is the function of automatic shearing, there is good sealability simultaneously.Three vapor interfaces adopt without dead angle design, facilitate on valve pipeline in any direction and install, and all can conveniently get rid of the condensed water in thermal insulation layer.The utlity model has the features such as good seal performance, high insulating effect, long service life.Can be widely used in the media such as oil, chemical industry, Coal Chemical Industry, light industry and need be incubated or accompany the process control in hot pipe-line system, can make adjustments or cut off use.
Feature of the present utility model and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the utility model metal sealing insulation jacket butterfly valve;
Fig. 2 is the schematic diagram of sealing configuration in the utility model metal sealing insulation jacket butterfly valve;
Fig. 3 is vapor interface layout chart in the utility model metal sealing insulation jacket butterfly valve;
Insulation schematic diagram when Fig. 4 is the installation of the utility model metal sealing insulation jacket butterfly valve valve rod level.
In figure: 1-gland, 2-semi-loop, 3-axle sleeve, 4-dust guard, 5-valve rod, 6-taper pin, 7-valve plate, 8-valve body, 9-thermal insulation clamp jacket layer, 10-filler, 11-filler pressing sleeve, 12-hold-down grid, 13-valve seat, 14-seal ring, 15-socket head screw, 16-valve seat trim ring, 17-valve base sealing pad, 18-the first vapor interface, the second vapor interface 19 and the 3rd vapor interface 20.
[embodiment]
Consult Fig. 1 and Fig. 2, the utility model metal sealing insulation jacket butterfly valve, comprises gland 1, semi-loop 2, axle sleeve 3, dust guard 4, valve rod 5, taper pin 6, valve plate 7, valve body 8, thermal insulation clamp jacket layer 9, filler 10, filler pressing sleeve 11, hold-down grid 12, U-shaped valve seat (that is: valve seat 13), seal ring 14, socket head screw 15, valve seat trim ring 16, valve base sealing pad 17.Described valve body 8 is one piece casting type, valve body 8 two ends of advancing are provided with axle sleeve hole, axle sleeve 3 is divided into former and later two, be placed in respectively in valve body 8 axle sleeve holes, increase the concentricity of valve, described axle sleeve 3 belows are provided with dust guard 4, described dust guard 4 can effectively stop medium to enter axle sleeve 3, eliminate 5 of axle sleeve 3 and valve rods and joined raw clamping stagnation or locking phenomenon because medium enters, described valve rod 5 is integral type structure, at valve rod 5 afterbodys, have a groove, at valve rod 5 grooves, be provided with semi-loop 2, the inner circle of described semi-loop 2 is set in valve rod 5 afterbody grooves, semi-loop 2 cylindricals are placed in valve afterbody axle sleeve 3 between gland 1, described semi-loop 2 can effectively prevent that valve from joining raw axial displacement phenomenon in running, greatly reduce the frictional force of valve rod 5 bottoms simultaneously, reduce the keying moment of valve, between described valve rod 5 and valve plate 7, by taper pin 6, be fixed and connect, described taper pin 6 is installed perpendicular to valve rod 5, axially see that fraction is on valve rod 5, most of on valve plate 7, totally four, connect with valve plate 7 mutual dislocation, increased the anti-shearing stress of taper pin 6, described taper pin 6 exposed portions serve and valve plate 7 spot welding, increase fastness, simultaneously, taper pin 5 outsides are provided with tapped hole for convenience detach, be convenient to safeguard.Described thermal insulation clamp jacket layer 9 is placed in valve body 8 outer wall sides, be welded into one with valve body 8, by valve body 8 integral coating, make valve body 8 outer wall sides form the heat-insulated cavity of an all-pass, reach the object of valve integral heat insulation, simultaneously axle sleeve 3 is also coated in thermal insulation layer, has eliminated the mechanically deformation phenomenon causing due to temperature difference, has improved valve working life.Described valve body 8 front end axle sleeve hole places are also provided with stuffing box, and filler 10 is loaded in valve body 8 stuffing boxes, by filler pressing sleeve 11 and hold-down grid 12, carries out pretension.
Consult Fig. 2, the utility model metal sealing insulation jacket butterfly valve seal structural drawing, comprise valve plate 7, U-shaped valve seat (that is: valve seat 13), seal ring 14, valve body 8, socket head screw 15, valve seat trim ring 16, valve base sealing pad 17, described valve plate 7 is designed to three eccentric structures, and making sealing surface is the oval cone of a uniqueness.The whole pile-up welding hard alloy of sealing surface, has improved sealing surface hardness, strengthens the performances such as wear-resisting, corrosion-resistant.Described U-shaped valve seat (that is: valve seat 13) produces under axial force by valve plate 7 under the effect of eccentric angle, during valve closing, the active force of valve plate 7 makes U-shaped valve seat (that is: valve seat 13) that deformation occur, until both tight connectings form the linear sealing of a strip metal to metal, simultaneously, when valve plate 7 is in the process of closing gradually, form the angle of shear with U-shaped valve seat valve seal line, have from shearing function, can be used for viscosity large or containing the medium of molecule; During valve open, valve plate 7 sealing surfaces can be realized and hightail U-shaped valve seat (that is: valve seat 13), realize " zero friction ", increase valve working life.Described U-shaped valve seat (that is: valve seat 13) is placed on valve body 8, can axial float, and there is certain gap in U-shaped valve seat (that is: valve seat 13) and 16 of valve seat trim rings, the center of the power automatic capturing valve plate 7 that can apply according to valve plate 7; Meanwhile, U-shaped valve seat (that is: valve seat 13) inner chamber is hollow structure, and medium can enter, and makes U-shaped valve seat (that is: valve seat 13) have certain expansibility, more can effectively guarantee valve seal, improves valve working life; The seal ring 14 that U-shaped valve seat (that is: valve seat 13) is located and valve base sealing pad 17 have guaranteed that medium is without any possibility leaking; Described valve seat trim ring 16 is fixed on valve body by socket head screw 15.This structure greatly reduces the wearing and tearing of frictional resistance and sealing surfaces, has reduced valve opening moment, has extended valve working life, can be applicable to fast shut-off occasion.
Consult Fig. 3 and Fig. 4, the utility model vapor interface layout chart, comprise valve body 8, thermal insulation clamp jacket layer 9, the first vapor interface 18, the second vapor interface 19, the 3rd vapor interface 20, gland 1, described the first vapor interface 18, the second vapor interface 19 and the 3rd vapor interface 20 are all welded on thermal insulation clamp jacket layer 9, described the first vapor interface 18 is placed near the right flange side of valve body 8, the second vapor interface 19 is placed in the rear stuffing hole of valve body 8 outside, described the second vapor interface 19 is also positioned on the center line of valve body 8, described the 3rd vapor interface 20 is placed near the left flange side of valve body 8.The layout of the utility model vapor interface, can facilitate valve to install on horizontal pipeline, vertical pipeline, when valve installation is on vertical pipeline, according to MEDIA FLOW to, the first vapor interface 18 or the 3rd vapor interface 20 all can be got rid of the condensed water in heat-insulated cavity; When valve installation is on horizontal pipeline, according to MEDIA FLOW, to requiring, the first vapor interface 18, the second vapor interface 19 or the 3rd vapor interface 20 all can be got rid of the condensed water in heat-insulated cavity according to as installed position.
Consult Fig. 4, the utility model metal sealing insulation jacket butterfly valve insulation schematic diagram, now, valve installation is on horizontal pipeline, and valve rod 5 is parallel to ground, and described the second vapor interface 19 seals by blind flange.When thermal insulation medium enters in heat-insulated cavity from the 3rd vapor interface 20, because heat-insulated cavity is all-pass, thermal insulation medium is all filled valve body 8 outer wall sides, from the first vapor interface 18, flows out, make thermal insulation medium coated valve body 8 all the time, realize the effect of valve integral heat insulation.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any scheme after the utility model simple transformation is all belonged to protection domain of the present utility model.
Claims (9)
1. metal sealing insulation jacket butterfly valve, it is characterized in that: comprise gland, some axle sleeves, dust guard, valve rod, taper pin, valve plate, valve body, thermal insulation clamp jacket layer, filler, filler pressing sleeve, hold-down grid, valve seat, valve seat trim ring, some vapor interfaces, described valve body is cast inblock structure, thermal insulation clamp jacket layer integral coating is in valve body wall outside, the two ends of valve body have axis hole, in axis hole, be provided with filler, described filler is pushed by filler pressing sleeve and hold-down grid, filler pressing sleeve and hold-down grid are fixed on valve body, described valve rod adopts integral structure, valve plate connects with valve rod by some taper pins, described taper pin exposed portions serve and valve plate spot welding, taper pin outside is provided with tapped hole.
2. metal sealing insulation jacket butterfly valve as claimed in claim 1, it is characterized in that: described valve seat is U-shaped valve seat, the empennage of U-shaped valve seat is bumped into by hexagon socket head cap screw and is fixed in the valve seat trim ring of valve outlet side, U-shaped valve seat is floating structure, can automatic central adjusting under the active force of valve plate.
3. metal sealing insulation jacket butterfly valve as claimed in claim 1, is characterized in that: described valve plate is three eccentric structures, makes sealing surface ovalize conical structure, and the sealing surface of valve plate adopts whole pile-up welding hard alloy layer.
4. metal sealing insulation jacket butterfly valve as claimed in claim 1, it is characterized in that: described thermal insulation clamp jacket layer integral coating is in valve outer wall side, with the flange of valve body inside integrally welded, make to form between thermal insulation clamp jacket layer and valve outer wall the heat-insulated cavity of an all-pass.
5. metal sealing insulation jacket butterfly valve as claimed in claim 1, is characterized in that: described axle sleeve is placed in the axle sleeve hole at valve body two ends, before the axle sleeve of two ends, is equipped with dust guard, and two axle sleeves are all in thermal insulation clamp jacket layer.
6. metal sealing insulation jacket butterfly valve as claimed in claim 5, is characterized in that: also comprise semi-loop, the cylindrical of described semi-loop is placed between the axle sleeve and gland of valve rear end portion, and the inner circle of semi-loop is placed in the groove of valve rod afterbody.
7. metal sealing insulation jacket butterfly valve as claimed in claim 1, it is characterized in that: the quantity of described vapor interface is three, comprise the first vapor interface, the second vapor interface and the 3rd vapor interface, the first vapor interface, the second vapor interface and the 3rd vapor interface are all arranged on thermal insulation clamp jacket layer.
8. metal sealing insulation jacket butterfly valve as claimed in claim 1, is characterized in that: the quantity of described taper pin is four, and valve plate connects with valve rod by four taper pins of mutual dislocation.
9. the metal sealing insulation jacket butterfly valve as described in any one in claim 1 to 8, is characterized in that: described filler pressing sleeve and hold-down grid adopt follower bolt and nut to be fixed on valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320557406.0U CN203453490U (en) | 2013-09-09 | 2013-09-09 | Metallic seal heat preservation jacket butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320557406.0U CN203453490U (en) | 2013-09-09 | 2013-09-09 | Metallic seal heat preservation jacket butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203453490U true CN203453490U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320557406.0U Expired - Fee Related CN203453490U (en) | 2013-09-09 | 2013-09-09 | Metallic seal heat preservation jacket butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203453490U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438227A (en) * | 2013-09-09 | 2013-12-11 | 浙江中德自控阀门有限公司 | Metal-sealing insulation jacket butterfly valve |
| CN103912719A (en) * | 2014-04-29 | 2014-07-09 | 天津福得士阀门有限公司 | Butterfly valve with insulating layer |
| CN105202201A (en) * | 2015-10-16 | 2015-12-30 | 江苏康创自控工程有限公司 | High-sealability dust-proof butterfly valve |
| CN109027268A (en) * | 2018-09-10 | 2018-12-18 | 浙江贝托阀门有限公司 | A kind of big valve of ethylene cracking gas |
-
2013
- 2013-09-09 CN CN201320557406.0U patent/CN203453490U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438227A (en) * | 2013-09-09 | 2013-12-11 | 浙江中德自控阀门有限公司 | Metal-sealing insulation jacket butterfly valve |
| CN103912719A (en) * | 2014-04-29 | 2014-07-09 | 天津福得士阀门有限公司 | Butterfly valve with insulating layer |
| CN105202201A (en) * | 2015-10-16 | 2015-12-30 | 江苏康创自控工程有限公司 | High-sealability dust-proof butterfly valve |
| CN109027268A (en) * | 2018-09-10 | 2018-12-18 | 浙江贝托阀门有限公司 | A kind of big valve of ethylene cracking gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG ZHONGDE AUTOMATIC CONTROL TECHNOLOGY CO., Free format text: FORMER NAME: ZHEJIANG ZHONGDE AUTOMATIC CONTROL VALVE CO., LTD. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 313100 No. 659 Changxin Avenue, Taihu street, Zhejiang, Changxing County Patentee after: ZHEJIANG ZHONGDE AUTOMATIC CONTROL TECHNOLOGY CO., LTD. Address before: 313100, No. three, No. 659, Changxin Economic Development Zone, Huzhou, Zhejiang Patentee before: Zhejiang Zhongde Automatic Control 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: 20140226 Termination date: 20190909 |