CN2343423Y - Fluoroplastic full-lining stop valve for chlor-alkali - Google Patents
Fluoroplastic full-lining stop valve for chlor-alkali Download PDFInfo
- Publication number
- CN2343423Y CN2343423Y CN 98223898 CN98223898U CN2343423Y CN 2343423 Y CN2343423 Y CN 2343423Y CN 98223898 CN98223898 CN 98223898 CN 98223898 U CN98223898 U CN 98223898U CN 2343423 Y CN2343423 Y CN 2343423Y
- Authority
- CN
- China
- Prior art keywords
- valve
- chlor
- flap
- alkali
- fluoroplastic
- Prior art date
- 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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- Sliding Valves (AREA)
- Details Of Valves (AREA)
Abstract
The utility model relates to a fluoroplastic full-lining stop valve for chlor-alkali, which is used on a chlor-alkali pipeline. The utility model comprises a valve body, a valve cover, a valve flap assembly, a drive rod and a hand wheel. The utility model is characterized in that poly perfluoro propylene is heatedly covered on the sealing surface of a flange in the valve body, the sealing surfaces of the flange on both ends and the surface of an inner cavity of the valve body, the surfaces are connected into a whole to form a full lining, the full linign and a base body (a metal body) are sintered into a whole, and the drive rod is separated from a valve flap. When a valve is opened and closed, the drive rod rotates to drive the valve flap to move up and down in order to ensure no adhesive abrasion between the sealing surfaces and ensure tight sealing. The utility model has the advantages of no leakage, strong corrosion resistance, safe and reliable use and long service life.
Description
The utility model is a kind of a kind of chlor-alkali fluoroplastic all-liner stop valve that control media flows on the chemical industry deep-etching pipeline that is used for.
Relevant by retrieval patent documentation is not found the valve identical with the utility model structure as yet.The valve that present China chemical industry is used for the strong corrosive medium operating mode is common Lining Globe Valves.Because the Sealing of common Lining Globe Valves does not serve as a contrast entirely, the serious wear of sealing surface, valve sealing face is fragile.And sealing configuration does not reach the requirement of using effect.Be installed on the pipeline of continuous operation fragilely, produce and leak, have an accident, cause economic loss.
The purpose of this utility model provides a kind of sealing surface with novelty and serves as a contrast form, good seal performance, energy chlor-alkali fluoroplastic all-liner stop valve anti-deep-etching, safe and reliable entirely.
Technical solution of the present utility model is: the chlor-alkali fluoroplastic all-liner stop valve on a kind of chlor-alkali pipeline, comprise valve body, valve gap, flap assembly, drive link, handwheel, it is characterized in that: flange facing in valve body, perfluoroethylene-propylene is covered in soaking on two ends flange facing and the body cavity surface, and be linked to be integral body, constitute full lining, full lining is sintered to one with matrix (metal body); Drive link and flap are made as split type, and rotation drive link flap only moves up and down.On flap bar surface, be processed with many grooves, be covered with poly-perfluor third ethene at flap bar surface heat.The back seal seat that the useful perfluoroethylene-propylene of hot pressing is made below valve gap.
Be installed in the chlor-alkali fluoroplastic all-liner stop valve on the pipeline, when opening/shutting valve, the drive link rotation drives flap and moves up and down in valve body, and having guaranteed does not have adhesive wear between sealing surface, reach sealing effect.Because flap surface overall thermal is covered perfluoroethylene-propylene, when valve rod descended, the sealing plane integral body of flap was close to valve body sealing surface, at this moment, produced resiliently deformable between sealing surface, made sealing tight.When valve rod rises, after flap is fully opened, flap back of the body sealing surface promptly with valve cover surfaces on the back seal seat be close to mutually, constitute gap-free sealedly, not only guarantee not leak but also can under the valve working state, change filler.
The utility model has the advantages that the reasonable in design novelty,, reach no medium and leak outside that the valve body matrix is not subjected to dielectric corrosion because flange facing, two ends flange facing and body cavity sealed liner unify in the valve body.Because the flap overall thermal is covered perfluoroethylene-propylene, corrosion resistance and good.Because flap bar surface Machining has many grooves, makes the perfluoroethylene-propylene that flap heat is covered not come off good sealing effect.Because it is split type that drive link and flap bar are connected to, during valve opening and closing, sealing surface does not have adhesive wear, good seal performance, safe and reliable, long service life, thereby can satisfy chemical industry long-term usage requirement on the chlor-alkali pipeline, its every performance index all reach the regulation of the countries concerned's standard.
Below in conjunction with description of drawings the utility model embodiment:
Accompanying drawing is a chlor-alkali fluoroplastic all-liner stop valve structure schematic representation.
Shown in accompanying drawing, will fix on the end of Stem Mut 7 screw-in valve gaps 2 and with Cock screw.To exceed Stem Mut 7 end faces in the drive link 8 screw-in Stem Muts 7.The V-type polytetrafluoroethylene packing 3 of press forming is packed in heat is covered the filler chamber of perfluoroethylene-propylene valve gap 2.Loading onto gland 4 usefulness swing bolts above filler chamber connects with valve gap 2 and pushes down V-type polytetrafluoroethylene packing 3, the bar portion of flap 5 penetrates in the matching hole of valve gap 2 and V-type polytetrafluoroethylene packing 3 holes exposes gland 4 end faces, connect with flap 5 bar portions with Hough 6, above-mentioned valve gap assembly is connected with valve body 1 with bolt, handwheel 9 is contained on the drive link.
Claims (3)
1, the chlor-alkali fluoroplastic all-liner stop valve on a kind of chlor-alkali pipeline, comprise valve body, valve gap, flap assembly, drive link, handwheel, it is characterized in that: flange facing in valve body, perfluoroethylene-propylene is covered in soaking on two ends flange facing and the body cavity surface, and be linked to be integral body, constitute full lining, full lining is sintered to one with matrix (metal body); Drive link and flap are made as split type, and rotation drive link flap only moves up and down.
2, chlor-alkali according to claim 1 fluoroplastic all-liner stop valve is characterized in that: be processed with many grooves on flap bar surface, be covered with perfluoroethylene-propylene at flap bar surface heat.
3, chlor-alkali according to claim 1 fluoroplastic all-liner stop valve is characterized in that: the back seal seat that the useful perfluoroethylene-propylene of hot pressing is made below valve gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98223898 CN2343423Y (en) | 1998-04-30 | 1998-04-30 | Fluoroplastic full-lining stop valve for chlor-alkali |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98223898 CN2343423Y (en) | 1998-04-30 | 1998-04-30 | Fluoroplastic full-lining stop valve for chlor-alkali |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2343423Y true CN2343423Y (en) | 1999-10-13 |
Family
ID=33974888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98223898 Expired - Fee Related CN2343423Y (en) | 1998-04-30 | 1998-04-30 | Fluoroplastic full-lining stop valve for chlor-alkali |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2343423Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100406792C (en) * | 2006-04-14 | 2008-07-30 | 朱孝有 | High efficiency smart fluorine-lined control valve |
| CN100449189C (en) * | 2006-03-08 | 2009-01-07 | 罗荣森 | Plastic stop valve body |
| CN103133760A (en) * | 2011-11-28 | 2013-06-05 | 北京航科航天石化氟塑泵阀有限公司 | Dual seal stop valve |
| CN109538775A (en) * | 2019-01-11 | 2019-03-29 | 江苏金晟元特种阀门股份有限公司 | Resistance to strong rotten particle-resistant fluoroplastic all-liner shut-off valve |
-
1998
- 1998-04-30 CN CN 98223898 patent/CN2343423Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100449189C (en) * | 2006-03-08 | 2009-01-07 | 罗荣森 | Plastic stop valve body |
| CN100406792C (en) * | 2006-04-14 | 2008-07-30 | 朱孝有 | High efficiency smart fluorine-lined control valve |
| CN103133760A (en) * | 2011-11-28 | 2013-06-05 | 北京航科航天石化氟塑泵阀有限公司 | Dual seal stop valve |
| CN109538775A (en) * | 2019-01-11 | 2019-03-29 | 江苏金晟元特种阀门股份有限公司 | Resistance to strong rotten particle-resistant fluoroplastic all-liner shut-off valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |