CN208074192U - A kind of pneumatic bellows fused salt gate valve - Google Patents

A kind of pneumatic bellows fused salt gate valve Download PDF

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Publication number
CN208074192U
CN208074192U CN201820427490.7U CN201820427490U CN208074192U CN 208074192 U CN208074192 U CN 208074192U CN 201820427490 U CN201820427490 U CN 201820427490U CN 208074192 U CN208074192 U CN 208074192U
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CN
China
Prior art keywords
valve
nut
bellows
connector
stud
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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
CN201820427490.7U
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Chinese (zh)
Inventor
石荐畅
马轩
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.)
Beijing Valve General Factory Co Ltd
Original Assignee
Beijing Valve General Factory Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by Beijing Valve General Factory Co Ltd filed Critical Beijing Valve General Factory Co Ltd
Priority to CN201820427490.7U priority Critical patent/CN208074192U/en
Application granted granted Critical
Publication of CN208074192U publication Critical patent/CN208074192U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of pneumatic bellows fused salt gate valves,The valve seat is mounted in valve body,Valve plate is mounted on valve seat,Bellows is mounted on valve plate,The octagonal ring one is mounted between valve body and connector,Connector passes through stud one,Nut one and disc spring one are mounted on valve body,Octagonal ring two is mounted between valve deck and connector,Valve deck passes through stud two,Nut two and disc spring two are mounted on connector,The bottom end of the valve rod is mounted on bellows,Valve rod passes through connector and valve deck,The mica filler is filled between valve rod and valve deck,Filler pressing sleeve is sleeved on the valve rod right over mica filler,Hold-down grid passes through eyelet bolt,Nut three and disc spring three are mounted on valve deck,Hold-down grid can squeeze filler pressing sleeve,Realize the extruding of mica filler,To form tight seal,The pneumatic device passes through stud three,Nut four,Spring washer is mounted on the top of valve rod,Design is scientific and reasonable for it,It is simple in structure,It is easy to use.

Description

A kind of pneumatic bellows fused salt gate valve
Technical field:
The utility model is related to a kind of mechanical engineering valves to belong to more particularly, to a kind of pneumatic bellows fused salt gate valve Gate valve domain technology field.
Background technology:
The fused salt that existing market provides valve uses shut-off valve valve class more, but the circulation of shut-off valve internal structure complications hinders Power is big, and entire pipeline flow of media can be made to generate the larger pressure loss.Therefore new construction begins to use gate valve in recent years As the valve of control piper, current fused salt there is also some problems in use with gate valve, such as (1) fused salt at this stage In the valve body of gate valve flange sealing element mostly use conventional seals shim form (2) valve stem seal realized only with mica filler it is close The center line of valve seat groove bottom and lumen on envelope (3) gate valve body has 5 degree of inclination angle, and channel is caused to generate corner angle.(4) in Chamber is without relief hole, and problem above can cause the enclosed watch area of generation (1) conventional seals gasket of following situations big, material rebounds Property it is poor, be easily used to cause lumen leakage and excessive (2) the mica filler sealing of middle flange stress in high temperature and temperature alternating Property and surface smoothness be not so good as graphite packing, the simple valve seat being easy on leakage (3) gate valve body using mica sealing is pacified Tankage has 5 degree of inclination angle, and after valve seat installation, can generate some corner angle in the channel influences flow of media.(4) fused salt operating mode Temperature alternating is big, is deposited in the fused salt of valve body middle chamber and can be converted between mushy stage and liquid, lumen can lead to lumen without hole is let out Pressure causes dangerous situation, the keying that lumen can also influence valve without relief hole dynamic beyond safety value.
Pneumatic bellows fused salt gate valve, is mainly used in new cleaning fuel --- each system pipes of fused salt solar power generation On the road, play the role of being switched off or on pipeline medium.Its fluid feature is high temperature and pressure, inflammable and explosive, high corrosion.If hair After high-temperature molten salt leakage with air violent combustion reaction occurs for raw leakage accident;When the mixture with organic matter, combustible After contact, it can burn and explode.Therefore the safety and reliability that the product quality of high-temperature molten salt valve is run concerning whole system. The pneumatic bellows fused salt gate valve of my company's invention has fully considered what the various situations that may occur in operating mode generated valve It influences, finally uses unique structure type, there are many seal forms to ensure valve operational safety, stabilization, reliable for design.Due to Its performance requirement, technical characteristic, the particularity of operating mode, make the product also form the characteristics of other products do not substitute.
Import is had relied on before pneumatic bellows fused salt gate valve, the valve production cycle is long, expensive.And in fused salt This link of valve, especially core product need, from developed country's import, to make completely on technology solar power system pipeline The expenditure of country is relatively large.The pneumatic bellows fused salt valve of Development of Domestic, captures domestic market, will be national Larger contribution is made in economic construction
Utility model content
In view of the above-mentioned problems, the technical problem to be solved by the present invention is to provide a kind of pneumatic bellows fused salt gate valve, Its simple and compact, negotiability be strong, sealed reliable, the product that the service life is longer.
A kind of pneumatic bellows fused salt gate valve of the utility model, mainly by valve body, valve seat, valve plate, bellows, illiciumverum Ring one, stud one, nut one, disc spring one, connector, stud two, nut two, disc spring two, octagonal ring two, valve deck, mica filler, Filler pressing sleeve, hold-down grid, eyelet bolt, nut three, disc spring three, axis pin, split pin, clamping plate one, clamping plate two, screw, stud Three, nut four, spring washer, pneumatic device, valve rod composition, the valve seat are mounted in valve body, and valve plate is mounted on valve seat, Bellows is mounted on valve plate, and the octagonal ring one is mounted between valve body and connector, and connector passes through stud one, nut One and disc spring one be mounted on valve body on, octagonal ring two be mounted between valve deck and connector, valve deck passes through stud two, two and of nut Disc spring two is mounted on connector, and the bottom end of the valve rod is mounted on bellows, and valve rod passes through connector and valve deck, described Mica filler be filled between valve rod and valve deck, filler pressing sleeve is sleeved on the valve rod right over mica filler, and hold-down grid is logical Eyelet bolt, nut three and disc spring three are crossed on valve deck, hold-down grid can squeeze filler pressing sleeve, realize mica filler It squeezes, to form tight seal, the pneumatic device is mounted on the top of valve rod by stud three, nut four, spring washer End.
Further, the bellows uses inconel alloys, and bellows upper end is welded to connect with valve rod lower end.
Further, the bottom surface of the valve seat mounting groove on the valve body and valve body horizontal center line are coaxial.
Further, the clamping plate one is connected by split pin, axis pin with screw with clamping plate two.
Further, the octagonal ring one is RTJ metallic packing rings.
The beneficial effects of the utility model are:Negotiability is strong, sealed reliable, easy to operate, easy to maintain.
Description of the drawings
The utility model is described in detail by following specific implementations and attached drawing for ease of explanation,.
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the utility model A to enlarged view.
In figure:1- valve bodies;2- valve seats;3- valve plates;4- bellowss;5- octagonal rings one;6- studs one;7- nuts one;8- dish Spring one;9- connectors;10- studs two;11- nuts two;12- disc springs two;13- octagonal rings two;14- valve decks;15- mica fillers; 16- filler pressing sleeves;17- hold-down grids;18- eyelet bolts;19- nuts three;20- disc springs three;21- axis pins;22- split pins;23- Clamping plate one;24- clamping plates two;25- screws;26- studs three;27- nuts four;28- spring washers;29- pneumatic devices;30- valve rods.
Specific implementation mode
To make the objectives, technical solutions and advantages of the present invention clearer, below by shown in the accompanying drawings Specific embodiment describes the utility model.However, it should be understood that these descriptions are merely illustrative, and it is not intended to limit this reality With novel range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid unnecessarily mixing Confuse the concept of the utility model.
As depicted in figs. 1 and 2, a kind of pneumatic bellows fused salt gate valve, mainly by valve body 1, valve seat 2, valve plate 3, ripple Pipe 4, octagonal ring 1, stud 1, nut 1, disc spring 1, connector 9, stud 2 10, nut 2 11, disc spring 2 12, illiciumverum Ring 2 13, valve deck 14, mica filler 15, filler pressing sleeve 16, hold-down grid 17, eyelet bolt 18, nut 3 19, disc spring 3 20, Axis pin 21, split pin 22, clamping plate 1, clamping plate 2 24, screw 25, stud 3 26, nut 4 27, spring washer 28, pneumatic dress The composition of 29, valve rod 30 is set, the valve seat 2 is mounted in valve body 1, and valve plate 3 is mounted on valve seat 2, and bellows 4 is mounted on valve plate On 3, the octagonal ring 1 is mounted between valve body 1 and connector 9, and connector 9 passes through stud 1, nut 1 and disc spring One 8 are mounted on valve body 1, and octagonal ring 2 13 is mounted between valve deck 14 and connector 9, and valve deck 14 passes through stud 2 10, nut 2 11 and disc spring 2 12 be mounted on connector 9, the bottom end of the valve rod 30 is mounted on bellows 4, and valve rod 30, which passes through, to be connected Junctor 9 and valve deck 14, the mica filler 15 are filled between valve rod 30 and valve deck 14, and filler pressing sleeve 16 is sleeved on mica filler On valve rod 30 right over 15, hold-down grid 17 is mounted on by eyelet bolt 18, nut 3 19 and disc spring 3 20 on valve deck 14, Hold-down grid 17 can squeeze filler pressing sleeve 16, realize the extruding of mica filler 15, to form tight seal, described is pneumatic Device 29 is mounted on the top of valve rod 30 by stud 3 26, nut 4 27, spring washer 28.
Specifically, the bellows 4 uses inconel alloys, 4 upper end of bellows to be welded to connect with 30 lower end of valve rod, The bottom surface of 2 mounting groove of valve seat on the valve body 1 and 1 horizontal center line of valve body are coaxial, the clamping plate 1 and clamping plate two 24 are connected by split pin 22, axis pin 21 and screw 25, and the octagonal ring 1 is RTJ metallic packing rings.
The advantages of basic principles and main features, the utility model of the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (5)

1. a kind of pneumatic bellows fused salt gate valve, it is characterised in that:It is mainly by valve body, valve seat, valve plate, bellows, octagonal ring One, stud one, nut one, disc spring one, connector, stud two, nut two, disc spring two, octagonal ring two, valve deck, mica filler, fill out Expect pressing sleeve, hold-down grid, eyelet bolt, nut three, disc spring three, axis pin, split pin, clamping plate one, clamping plate two, screw, stud three, Nut four, spring washer, pneumatic device, valve rod composition, the valve seat are mounted in valve body, and valve plate is mounted on valve seat, wave Line pipe is mounted on valve plate, and the octagonal ring one is mounted between valve body and connector, and connector passes through stud one, nut one It is mounted on valve body with disc spring one, octagonal ring two is mounted between valve deck and connector, and valve deck passes through stud two, nut two and dish Spring two is mounted on connector, and the bottom end of the valve rod is mounted on bellows, and valve rod passes through connector and valve deck, described Mica filler is filled between valve rod and valve deck, and filler pressing sleeve is sleeved on the valve rod right over mica filler, and hold-down grid passes through Eyelet bolt, nut three and disc spring three are mounted on valve deck, and hold-down grid can squeeze filler pressing sleeve, realize squeezing for mica filler Pressure, to form tight seal, the pneumatic device is mounted on the top of valve rod by stud three, nut four, spring washer.
2. a kind of pneumatic bellows fused salt gate valve according to claim 1, it is characterised in that:The bellows uses Inconel alloys, bellows upper end are welded to connect with valve rod lower end.
3. a kind of pneumatic bellows fused salt gate valve according to claim 1, it is characterised in that:Valve seat on the valve body The bottom surface of mounting groove and valve body horizontal center line are coaxial.
4. a kind of pneumatic bellows fused salt gate valve according to claim 1, it is characterised in that:The clamping plate one and clamping plate Two are connected by split pin, axis pin with screw.
5. a kind of pneumatic bellows fused salt gate valve according to claim 1, it is characterised in that:The octagonal ring one is RTJ metallic packing rings.
CN201820427490.7U 2018-03-28 2018-03-28 A kind of pneumatic bellows fused salt gate valve Expired - Fee Related CN208074192U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820427490.7U CN208074192U (en) 2018-03-28 2018-03-28 A kind of pneumatic bellows fused salt gate valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820427490.7U CN208074192U (en) 2018-03-28 2018-03-28 A kind of pneumatic bellows fused salt gate valve

Publications (1)

Publication Number Publication Date
CN208074192U true CN208074192U (en) 2018-11-09

Family

ID=64042066

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820427490.7U Expired - Fee Related CN208074192U (en) 2018-03-28 2018-03-28 A kind of pneumatic bellows fused salt gate valve

Country Status (1)

Country Link
CN (1) CN208074192U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110296226A (en) * 2019-03-15 2019-10-01 青海中控太阳能发电有限公司 A kind of self-cleaning operated pneumatic valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110296226A (en) * 2019-03-15 2019-10-01 青海中控太阳能发电有限公司 A kind of self-cleaning operated pneumatic valve
CN110296226B (en) * 2019-03-15 2020-12-25 青海中控太阳能发电有限公司 Self-cleaning pneumatic valve

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Granted publication date: 20181109