CN204629552U - Tubular air preheater end connecting - Google Patents
Tubular air preheater end connecting Download PDFInfo
- Publication number
- CN204629552U CN204629552U CN201520261534.XU CN201520261534U CN204629552U CN 204629552 U CN204629552 U CN 204629552U CN 201520261534 U CN201520261534 U CN 201520261534U CN 204629552 U CN204629552 U CN 204629552U
- Authority
- CN
- China
- Prior art keywords
- air preheater
- heat exchanger
- locking closure
- exchanger tube
- packing ring
- 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
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Air Supply (AREA)
Abstract
The utility model relates to air preheater technical field of structures, be specially a kind of tubular air preheater end connecting, it conveniently can realize the connection of end, convenient maintenance and replacement, cost is low, it comprises air preheater heat exchanger tube and supports tube sheet, it is characterized in that, in gap between described air preheater heat exchanger tube and described support tube sheet, packing ring is installed, described packing ring arranged outside has the locking closure being set in described air preheater heat exchanger tube, described locking closure has through hole, in described through hole flexible, described flexure strip inner ring size is less than described air preheater heat exchanger tube size, described support tube sheet is close at described locking closure edge, described packing ring is close in inner side.
Description
Technical field
The utility model relates to air preheater technical field of structures, is specially a kind of tubular air preheater end connecting.
Background technology
Air preheater is equipment common in boiler for producing, in traditional boiler, tubular air preheater end adopts weld connection mode, easily certain damage is caused to pipe during welding, change very inconvenient simultaneously, when there being damaged tubular to need dismounting, be easy to cause comparatively macrolesion to pipe, maintenance cost is very large.
Summary of the invention
In order to solve the problem, the utility model provides a kind of tubular air preheater end connecting, and it conveniently can realize the connection of end, and convenient maintenance and replacement, cost is low.
Its technical scheme is such: a kind of tubular air preheater end connecting, it comprises air preheater heat exchanger tube and supports tube sheet, it is characterized in that, in gap between described air preheater heat exchanger tube and described support tube sheet, packing ring is installed, described packing ring arranged outside has the locking closure being set in described air preheater heat exchanger tube, described locking closure has through hole, in described through hole flexible, described flexure strip inner ring size is less than described air preheater heat exchanger tube size, and described support tube sheet is close at described locking closure edge, described packing ring is close in inner side.
It is further characterized in that, the described air preheater heat exchanger tube outside described locking closure is provided with the C shape jump ring near locking closure;
Described locking closure edge is provided with annular nib;
Described support tube sheet has ring-shaped step, and described packing ring is close to described ring-shaped step and is arranged.
After adopting structure of the present utility model, because the elastic ring size on locking closure is less than air preheater heat exchanger tube size, be set in air preheater heat exchanger tube completes fixing, locking closure is close to the connection supporting tube sheet and complete air preheater heat exchanger tube and support tube sheet, avoid in prior art to be welded to connect and change the problems such as inconvenient, achieve connection easily, and convenient maintenance and replacement, cost is low.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is locking closure structural representation;
Fig. 3 is C shape clip spring structure schematic diagram.
Detailed description of the invention
See Fig. 1, Fig. 2, shown in Fig. 3, a kind of tubular air preheater end connecting, it comprises air preheater heat exchanger tube 1 and supports tube sheet 2, in gap between air preheater heat exchanger tube 1 and support tube sheet 2, packing ring 3 is installed, packing ring 3 is high temperature-proof packing ring, packing ring 3 arranged outside has the locking closure 4 being set in air preheater heat exchanger tube 1, locking closure 4 has through hole, be provided with flexure strip 5 in through hole, flexure strip 5 inner ring size is less than air preheater heat exchanger tube 1 size, and support tube sheet 2 is close at locking closure 4 edge, packing ring 3 is close in inner side.
Air preheater heat exchanger tube 1 outside locking closure 4 is provided with the C shape jump ring 6 near locking closure, locking closure 4 can be locked better by C shape jump ring 6; Locking closure 4 edge is provided with annular nib, and annular nib mainly increases locking closure semi-finals degree and rigidity, can more effectively must seal.
Support on tube sheet 2 and have ring-shaped step 7, packing ring 3 is close to ring-shaped step 7 and is arranged, realizes the fixing of packing ring 3 better.
Claims (4)
1. a tubular air preheater end connecting, it comprises air preheater heat exchanger tube and supports tube sheet, it is characterized in that, in gap between described air preheater heat exchanger tube and described support tube sheet, packing ring is installed, described packing ring arranged outside has the locking closure being set in described air preheater heat exchanger tube, described locking closure has through hole, in described through hole flexible, described flexure strip inner ring size is less than described air preheater heat exchanger tube size, and described support tube sheet is close at described locking closure edge, described packing ring is close in inner side.
2. a kind of tubular air preheater end connecting according to claim 1, is characterized in that, the described air preheater heat exchanger tube outside described locking closure is provided with the C shape jump ring near locking closure.
3. a kind of tubular air preheater end connecting according to claim 1, is characterized in that, described locking closure edge is provided with annular nib.
4. a kind of tubular air preheater end connecting according to claim 1, is characterized in that, described support tube sheet has ring-shaped step, and described packing ring is close to described ring-shaped step and is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520261534.XU CN204629552U (en) | 2015-04-28 | 2015-04-28 | Tubular air preheater end connecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520261534.XU CN204629552U (en) | 2015-04-28 | 2015-04-28 | Tubular air preheater end connecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204629552U true CN204629552U (en) | 2015-09-09 |
Family
ID=54048577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520261534.XU Expired - Fee Related CN204629552U (en) | 2015-04-28 | 2015-04-28 | Tubular air preheater end connecting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204629552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485711A (en) * | 2015-04-28 | 2016-04-13 | 无锡华光锅炉股份有限公司 | Tubular air preheater end connection structure |
-
2015
- 2015-04-28 CN CN201520261534.XU patent/CN204629552U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485711A (en) * | 2015-04-28 | 2016-04-13 | 无锡华光锅炉股份有限公司 | Tubular air preheater end connection structure |
| CN105485711B (en) * | 2015-04-28 | 2018-05-15 | 无锡华光锅炉股份有限公司 | A kind of tubular air preheater end connecting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150909 Termination date: 20190428 |