CN107218456A - A kind of leak-proof ceramic composite steel tube - Google Patents
A kind of leak-proof ceramic composite steel tube Download PDFInfo
- Publication number
- CN107218456A CN107218456A CN201710501103.XA CN201710501103A CN107218456A CN 107218456 A CN107218456 A CN 107218456A CN 201710501103 A CN201710501103 A CN 201710501103A CN 107218456 A CN107218456 A CN 107218456A
- Authority
- CN
- China
- Prior art keywords
- flange
- end flanges
- polymer
- ceramic layer
- grafting
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
- F16L23/22—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
Abstract
The invention discloses a kind of leak-proof ceramic composite steel tube, including steel pipe body（1）With flange matrix, the flange matrix is located at steel pipe body（1）Termination, the steel pipe body（1）Polymer-ceramic layer A is lined with, it is integral type structure that the seal face of flange matrix, which is lined with polymer-ceramic layer B, polymer-ceramic layer A with polymer-ceramic layer B, and both collectively constitute polymer-ceramic inner liner（3）；The flange matrix includes grafting end flanges（21）With socket end flanges（22）, grafting end flanges（21）With socket end flanges（22）It is respectively arranged at the both sides of steel pipe body, grafting end flanges（21）Seal face and socket end flanges（22）Seal face be equipped with；The grafting end flanges（21）Polymer-ceramic layer B end faces on to be provided with ring-shaped step raised（23）.The advantage of the invention is that the drawbacks of it can overcome prior art, reasonable in design is novel.
Description
Technical field
The present invention relates to a kind of leak-proof ceramic composite steel tube, belong to steel pipe field.
Background technology
Polymer-ceramic composite steel tube with remarkable wear-corrosion resistance, has been widely used for wet flue gas and takes off now
Among sulphur system, good acid corrosion-resistant effect is served.But at the joint seal of flanges of existing pipeline, pipe fitting, due to processing
Technique and technology are immature, do not carry out wear-and corrosion-resistant processing, during use, and corrosion leakage often occurs here and asks
Topic.
A kind of polymer-ceramic composite steel tube is disclosed in the prior art（Patent No. CN201520765500.4）Solve
State problem.But this steel pipe of the prior art is due in two pipe fitting docking, by the polymer-ceramic layer B of two pipe fittings
Contact with each other, although ceramic good corrosion resistance, but be due to ceramics hardness it is higher, the gap of interface is larger, it is difficult to have compared with
Good sealing effectiveness.
The content of the invention
The goal of the invention of the present invention is：A kind of leak-proof ceramic composite steel tube is provided, sealing effectiveness is improved.
In order to solve the above technical problems, the present invention is adopted the technical scheme that, a kind of leak-proof ceramic composite steel tube, including steel
Tube body（1）With flange matrix, the flange matrix is located at steel pipe body（1）Termination, the steel pipe body（1）It is lined with polymerization
Thing ceramic layer A, the seal face of flange matrix is lined with polymer-ceramic layer B, polymer-ceramic layer A and polymer-ceramic layer B
For integral type structure, both collectively constitute polymer-ceramic inner liner（3）；The flange matrix includes grafting end flanges（21）With
It is socketed end flanges（22）, grafting end flanges（21）With socket end flanges（22）It is respectively arranged at the both sides of steel pipe body, inserted terminal
Flange（21）Seal face and socket end flanges（22）Seal face be equipped with；The grafting end flanges（21）Polymerization
Ring-shaped step is provided with thing ceramic layer B end faces raised（23）, it is socketed end flanges（22）Polymer-ceramic layer B end faces on set
There is annular groove（24）, ring-shaped step projection（23）With annular groove（24）It is equipped with, annular groove（24）Inside it is provided with complete
Fluorubber sealing gasket.
Optimization, above-mentioned leak-proof ceramic composite steel tube, the grafting end flanges（21）Seal face be provided with flange insert
Connect protruding ring（25）, it is socketed end flanges（22）Seal face outer ring surface on be provided with flange socket protruding ring（26）, flange sleeve
Connect protruding ring（26）Inner ring surface on be provided with socket annular groove（27）, flange grafting protruding ring（25）With socket annular groove（27）
It is equipped with.
Optimization, above-mentioned leak-proof ceramic composite steel tube, the flange grafting protruding ring（25）Lateral surface on be provided with ring
Shape seal groove（28）, annular seal groove（28）Inside it is provided with ring packing cushion rubber（29）.
Optimization, above-mentioned leak-proof ceramic composite steel tube, the flange matrix（2）With steel pipe body（1）Between pass through welding
Layer（4）It is connected.
In the technical scheme of the application, it is convex that the polymer-ceramic layer B end faces at pipe fitting two ends are respectively provided with ring-shaped step
Rise（23）And annular groove（24）, it is raised by ring-shaped step in two pipe fitting docking（23）And annular groove（24）Match somebody with somebody
Close, form a sealing ring surface, add sealing effectiveness, and in annular groove（24）Inside add FFKM sealing
Pad, good corrosion resistance further increases sealing effectiveness.And flange grafting protruding ring is added in the technical scheme of the application
（25）With socket annular groove（27）, pass through flange grafting protruding ring（25）With socket annular groove（27）Cooperation, formed second
Sealing surface, and in two pipe fitting docking there is provided positioning action, it is convenient that positioning is installed.In flange grafting protruding ring（25）With
It is socketed annular groove（27）Between annular seal groove（28）With ring packing cushion rubber（29）For ring flange Butt sealing, further carry
High sealing effect.Ring packing cushion rubber（29）FFKM material can also be used, corrosion resistance is improved.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Embodiment
The technical characterstic of the present invention is expanded on further with specific embodiment below in conjunction with the accompanying drawings.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
As shown in figure 1, the present invention is a kind of leak-proof ceramic composite steel tube, including steel pipe body（1）With flange matrix, it is described
Flange matrix is located at steel pipe body（1）Termination, the steel pipe body（1）It is lined with polymer-ceramic layer A, the sealing of flange matrix
It is integral type structure that end face, which is lined with polymer-ceramic layer B, polymer-ceramic layer A with polymer-ceramic layer B, and both collectively constitute
Polymer-ceramic inner liner（3）；The flange matrix includes grafting end flanges（21）With socket end flanges（22）, grafting end flanges
（21）With socket end flanges（22）It is respectively arranged at the both sides of steel pipe body, grafting end flanges（21）Seal face and socket end
Flange（22）Seal face be equipped with；The grafting end flanges（21）Polymer-ceramic layer B end faces on be provided with annular
Step is raised（23）, it is socketed end flanges（22）Polymer-ceramic layer B end faces on be provided with annular groove（24）, ring-shaped step is convex
Rise（23）With annular groove（24）It is equipped with, annular groove（24）Inside it is provided with FFKM sealing gasket.
The grafting end flanges（21）Seal face be provided with flange grafting protruding ring（25）, it is socketed end flanges（22）'s
Flange socket protruding ring is provided with seal face outer ring surface（26）, flange socket protruding ring（26）Inner ring surface on be provided with set
Connect annular groove（27）, flange grafting protruding ring（25）With socket annular groove（27）It is equipped with.
The flange grafting protruding ring（25）Lateral surface on be provided with annular seal groove（28）, annular seal groove（28）It is interior
It is provided with ring packing cushion rubber（29）.
The flange matrix（2）With steel pipe body（1）Between pass through weld layer（4）It is connected.
In the technical scheme of the application, it is convex that the polymer-ceramic layer B end faces at pipe fitting two ends are respectively provided with ring-shaped step
Rise（23）And annular groove（24）, it is raised by ring-shaped step in two pipe fitting docking（23）And annular groove（24）Match somebody with somebody
Close, form a sealing ring surface, add sealing effectiveness, and in annular groove（24）Inside add FFKM sealing
Pad, good corrosion resistance further increases sealing effectiveness.And flange grafting protruding ring is added in the technical scheme of the application
（25）With socket annular groove（27）, pass through flange grafting protruding ring（25）With socket annular groove（27）Cooperation, formed second
Sealing surface, and in two pipe fitting docking there is provided positioning action, it is convenient that positioning is installed.In flange grafting protruding ring（25）With
It is socketed annular groove（27）Between annular seal groove（28）With ring packing cushion rubber（29）For ring flange Butt sealing, further carry
High sealing effect.Ring packing cushion rubber（29）FFKM material can also be used, corrosion resistance is improved.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, the art
Those of ordinary skill, the present invention essential scope in, the variations, modifications, additions or substitutions made, should all belong to the present invention
Protection domain.
Claims (4)
1. a kind of leak-proof ceramic composite steel tube, including steel pipe body（1）With flange matrix, the flange matrix is located at steel pipe body
（1）Termination, it is characterised in that the steel pipe body（1）It is lined with polymer-ceramic layer A, the seal face liner of flange matrix
It is integral type structure to have polymer-ceramic layer B, polymer-ceramic layer A and polymer-ceramic layer B, and both collectively constitute polymer pottery
Porcelain inner liner（3）；It is characterized in that：The flange matrix includes grafting end flanges（21）With socket end flanges（22）, inserted terminal
Flange（21）With socket end flanges（22）It is respectively arranged at the both sides of steel pipe body, grafting end flanges（21）Seal face and set
Connect end flanges（22）Seal face be equipped with；The grafting end flanges（21）Polymer-ceramic layer B end faces on be provided with
Ring-shaped step is raised（23）, it is socketed end flanges（22）Polymer-ceramic layer B end faces on be provided with annular groove（24）, annular table
Rank is raised（23）With annular groove（24）It is equipped with, annular groove（24）Inside it is provided with FFKM sealing gasket.
2. leak-proof ceramic composite steel tube according to claim 1, it is characterised in that：The grafting end flanges（21）Sealing
End face is provided with flange grafting protruding ring（25）, it is socketed end flanges（22）Seal face outer ring surface on be provided with flange socket it is convex
Play ring（26）, flange socket protruding ring（26）Inner ring surface on be provided with socket annular groove（27）, flange grafting protruding ring（25）
With socket annular groove（27）It is equipped with.
3. leak-proof ceramic composite steel tube according to claim 2, it is characterised in that：The flange grafting protruding ring（25）'s
Annular seal groove is provided with lateral surface（28）, annular seal groove（28）Inside it is provided with ring packing cushion rubber（29）.
4. leak-proof ceramic composite steel tube according to claim 1, it is characterised in that：The flange matrix（2）With steel pipe sheet
Body（1）Between pass through weld layer（4）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710501103.XA CN107218456A (en) | 2017-06-27 | 2017-06-27 | A kind of leak-proof ceramic composite steel tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710501103.XA CN107218456A (en) | 2017-06-27 | 2017-06-27 | A kind of leak-proof ceramic composite steel tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107218456A true CN107218456A (en) | 2017-09-29 |
Family
ID=59950430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710501103.XA Withdrawn CN107218456A (en) | 2017-06-27 | 2017-06-27 | A kind of leak-proof ceramic composite steel tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107218456A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773627A (en) * | 2018-07-25 | 2018-11-09 | 宁夏国励汽车动力科技有限公司 | Bayonet flange bracket |
| KR102310633B1 (en) * | 2020-11-16 | 2021-10-12 | 주식회사 우진 | Water pipe connection structure to prevent leakage of joints |
| CN113669514A (en) * | 2021-08-28 | 2021-11-19 | 江苏青阳管业有限公司 | Corrosion-resistant heavy-calibre bimetal metallurgy composite pipe |
-
2017
- 2017-06-27 CN CN201710501103.XA patent/CN107218456A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108773627A (en) * | 2018-07-25 | 2018-11-09 | 宁夏国励汽车动力科技有限公司 | Bayonet flange bracket |
| KR102310633B1 (en) * | 2020-11-16 | 2021-10-12 | 주식회사 우진 | Water pipe connection structure to prevent leakage of joints |
| CN113669514A (en) * | 2021-08-28 | 2021-11-19 | 江苏青阳管业有限公司 | Corrosion-resistant heavy-calibre bimetal metallurgy composite pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170929 |