CN2190641Y - Corrugated compensator for coal powder conveyer pipe - Google Patents
Corrugated compensator for coal powder conveyer pipe Download PDFInfo
- Publication number
- CN2190641Y CN2190641Y CN 93246380 CN93246380U CN2190641Y CN 2190641 Y CN2190641 Y CN 2190641Y CN 93246380 CN93246380 CN 93246380 CN 93246380 U CN93246380 U CN 93246380U CN 2190641 Y CN2190641 Y CN 2190641Y
- Authority
- CN
- China
- Prior art keywords
- bellows
- mozzle
- liner
- pipe
- flexblejoint
- 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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Abstract
The utility model relates to a corrugated compensator for a coal powder conveyer pipe, comprising two corrugated pipes and two pairs of inner lining flow guiding pipes which are sheathed according to the flow direction of the coal powder from inside to outside and are in sliding fit; the sum of the lengths of each pair of flow guiding pipes is larger than the length when the corrugated pipe reaches the maximal compensation; a middle flange pipe is arranged between two corrugated pipes; both ends thereof are fixedly connected with two corrugated pipes through screw bolts. The utility model has strong compensation ability for displacement. The tightness is good, the maintenance is convenient, and the use is safe.
Description
The utility model relates to a kind of power transportation pipe flexible connecting member---FlexbleJoint, particularly a kind of improvement of compound FlexbleJoint structure.
At present, widespread use compensator on power industry suspension type boiler coal-ash delivery duct solves that pipeline expands with heat and contract with cold and problem such as displacement.Original compensator mostly is sleeve-type, because of its leak tightness difference superseded day by day.A kind of FlexbleJoint of rising in recent years is made up of bellows and liner mozzle, and single entry compensation and two kinds of forms of compound compensation are arranged.Though FlexbleJoint can solve bit shift compensation and sealing problem preferably, but, can not dismantle, in case after the abrasion of liner mozzle owing to the restriction of its globality structure, the whole compensator that comprises the bellows that cost is higher is just had to scrap, and causes very big waste.
The purpose of this utility model is, improves at the shortcoming of existing FlexbleJoint inconvenience maintenance, provides that a kind of liner mozzle is easy to change, the compound FlexbleJoint of long service life.
Technical solution of the present utility model is, the liner mozzle of two pairs of separation types of design, between two bellowss, flanged pipe is set, make compound FlexbleJoint become the live body structure by integral structure, under the prerequisite that keeps its bit shift compensation effect and sealing property, reach quick detachable maintenance, increase the service life, the purpose of cost-cutting.
Specifically; composition of the present utility model comprises a pair of bellows and liner mozzle thereof; be filled with refractory fibre in the bellows; bellows is equipped with the thru-bolt of transportation protection outward; bellows and powder feeding pipes are by the flanged pipe bolted connection; it is characterized in that: (1), have two pairs by the liner mozzle of pulverized coal flow to socket from inside outwards and bearing fit; length when every pair of mozzle length sum reaches maximum compensation greater than bellows; (2), have the spacer flanger pipe between two bellowss, captive joint with two bellowss by bolt in its two ends.
With reference to the accompanying drawings and in conjunction with the embodiments the utility model is described in detail.
Fig. 1 is the utility model FlexbleJoint overall structure scheme drawing.
As shown in Figure 1; composition of the present utility model comprises two bellowss 3; 11 and two pairs of liner mozzles 4 and 6 of pressing pulverized coal flow to socket from inside outwards and bearing fit; 12 and 13; length when liner mozzle 4 and 6 or 12 and 13 length sum reach maximum compensation greater than bellows 3 or 11; be filled with refractory fibre 14 in the bellows; as asbestos rope etc.; bellows is equipped with the thru-bolt 15 of transportation protection outward; bellows is connected by flanged pipe 1 bolt 2 with the pipeline of pulverized coal conveying; two bellowss 3; having spacer flanger pipe 9 between 11, captives joint with bellows by bolt 10 in its two ends.The liner mozzle to from inside outwards socket-connecting, can effectively prevent that coal dust from entering bellows by pulverized coal flow.For making the utility model sealing property better, further feature is: (1), liner mozzle inner sleeve 4,12 ends have the annular protrusion 5 with the outer sleeve inner wall bearing fit, outer tube 6,13 ends have the annular end face 16 with inner sleeve outer wall bearing fit, (2), be equipped with metallic packing 7 and refractory fibre pad 8 at bellows and spacer flanger pipe junction, make the tight annular seal space of formation between bellows and the liner mozzle, prevent coal dust accumulation and spontaneous combustion, and do not influence bellows and freely stretch.
Among the embodiment, the liner mozzle that socket-connects adopts equal length, and when bellows carried out flexible compensation, isometric liner mozzle relative displacement can obtain the The optimal compensation effect.
The utility model displacement compensation capability is strong, and good airproof performance is safe and reliable, has demountable structure, and the maintain and replace assembly, regularly to purge coal dust easy and simple to handle, prolongs FlexbleJoint service life, reduces service expenditure.
Claims (4)
1, a kind of power transportation pipe FlexbleJoint comprises a pair of bellows and liner mozzle thereof, is filled with refractory fibre in the bellows, and bellows is equipped with the thru-bolt of transportation protection outward, and bellows and powder feeding pipes is characterized in that by the flanged pipe bolted connection:
(1), have two pairs by the liner mozzle of pulverized coal flow to socket from inside outwards and bearing fit, the length when the every pair of mozzle length sum reaches maximum compensation greater than bellows,
(2), have the spacer flanger pipe between two bellowss, captive joint with two bellowss by bolt in its two ends.
2, FlexbleJoint according to claim 1 is characterized in that liner mozzle inner sleeve end has the annular protrusion with the outer sleeve inner wall bearing fit, and the outer tube end has the annular end face with inner sleeve outer wall bearing fit.
3, FlexbleJoint according to claim 1 is characterized in that being equipped with metallic packing and refractory fibre pad at bellows and spacer flanger pipe junction.
4, according to any described FlexbleJoint in the claim 1 to 3, it is characterized in that the liner mozzle equal in length that socket-connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93246380 CN2190641Y (en) | 1993-12-08 | 1993-12-08 | Corrugated compensator for coal powder conveyer pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93246380 CN2190641Y (en) | 1993-12-08 | 1993-12-08 | Corrugated compensator for coal powder conveyer pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2190641Y true CN2190641Y (en) | 1995-03-01 |
Family
ID=33819081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93246380 Expired - Fee Related CN2190641Y (en) | 1993-12-08 | 1993-12-08 | Corrugated compensator for coal powder conveyer pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2190641Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101080355B (en) * | 2004-12-17 | 2012-04-11 | 国际壳牌研究有限公司 | Pipe part for conveying a solid particulate material |
| CN104747839A (en) * | 2015-02-05 | 2015-07-01 | 江西稀有稀土金属钨业集团有限公司 | Sand pump pulp inlet pipe connecting device and connecting method thereof |
| CN107499943A (en) * | 2017-08-31 | 2017-12-22 | 煤科院节能技术有限公司 | The loader that a kind of double discharge valves couple with Venturi tube |
| CN107567577A (en) * | 2015-03-31 | 2018-01-09 | 罗克伍尔国际公司 | The method and apparatus that weight metering is carried out to powdery type bulk material |
| CN107575689A (en) * | 2017-11-10 | 2018-01-12 | 江苏飞天管道设备有限公司 | A kind of pipeline compensator |
-
1993
- 1993-12-08 CN CN 93246380 patent/CN2190641Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101080355B (en) * | 2004-12-17 | 2012-04-11 | 国际壳牌研究有限公司 | Pipe part for conveying a solid particulate material |
| CN104747839A (en) * | 2015-02-05 | 2015-07-01 | 江西稀有稀土金属钨业集团有限公司 | Sand pump pulp inlet pipe connecting device and connecting method thereof |
| CN107567577A (en) * | 2015-03-31 | 2018-01-09 | 罗克伍尔国际公司 | The method and apparatus that weight metering is carried out to powdery type bulk material |
| CN107499943A (en) * | 2017-08-31 | 2017-12-22 | 煤科院节能技术有限公司 | The loader that a kind of double discharge valves couple with Venturi tube |
| CN107499943B (en) * | 2017-08-31 | 2019-07-19 | 煤科院节能技术有限公司 | A kind of loader that double discharge valves are coupled with Venturi tube |
| CN107575689A (en) * | 2017-11-10 | 2018-01-12 | 江苏飞天管道设备有限公司 | A kind of pipeline compensator |
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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 |