CN2299979Y - Fire-retarded corrugated expansion joint - Google Patents
Fire-retarded corrugated expansion joint Download PDFInfo
- Publication number
- CN2299979Y CN2299979Y CN 97217090 CN97217090U CN2299979Y CN 2299979 Y CN2299979 Y CN 2299979Y CN 97217090 CN97217090 CN 97217090 CN 97217090 U CN97217090 U CN 97217090U CN 2299979 Y CN2299979 Y CN 2299979Y
- Authority
- CN
- China
- Prior art keywords
- pipe
- bellows
- fire
- flange
- honeycomb duct
- 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 provides a fire-retardant corrugated pipe compensator, comprising an end pipe, a bellows, a flow guide pipe, a sealing ring, a process flange, a connecting flange, etc. The flow guide pipe and the end pipe of an air inlet end are expanded and welded, and the flow guide is longer than the bellows. The sealing ring is added between the flow guide pipe and the end head of an air outlet end, and the two ends of the bellows are connected with the process flange. The end part is welded with the process flange, and the process flange is welded with the connecting flange. The flow guide pipe is made of copper or copper base alloy materials which have the fire retardant function. The utility model has the fire retardant function and can also compensate the change amount of the heat expansion and cold contraction of oxygen pipe lines. The fire-retardant corrugated pipe compensator has the advantages of land saving, material saving, fund saving and safety and is suitable for oxygen conveying pipelines.
Description
The utility model belongs to a kind of pipeline compensator, specifically is a kind of fire-retarded type corrugated expansion joint that is used for oxygen channel.
At present, the compensator of oxygen pipe network is square-shaped joints, this compensator boundary dimension is big, occupation of land is many need set up support etc. separately, because the particularity of comburant oxygen, very the eighteenth of the twenty is expensive need to set up its price of a certain amount of flame trap in the oxygen pipe network, and it is inapplicable adopting other general type corrugated expansion joint.
The utility model is exactly the characteristics according to oxygen, and the deficiency that exists at square-shaped joints provides a kind of back-fire relief and the fire-retarded type FlexbleJoint that is compensated for as one.
The technical solution of the utility model is such, it adopts the end pipe, bellows, honeycomb duct, seal ring, coupling flange, process flange etc., honeycomb duct one end has gradient, the end inner tube wall of inlet end also has gradient, both adopt the expander welding manner, its inwall joint is smooth transition, the honeycomb duct the other end is longer than bellows, between honeycomb duct and outlet side end pipe, be added with the individual seal ring of N (4 〉=N 〉=1), honeycomb duct is between end pipe and seal ring when guaranteeing the bellows elongation, the bellows two ends connect with process flange respectively, the end pipe welds with the process flange at two ends respectively, treat bellows and connecting flange, the end pipe, after process flange installed, process flange and connecting flange welded together.For making compensator play back-fire relief effect inlet end honeycomb duct and end smooth connection of pipe, reduce the impurity friction and cause spark, combustion explosion, in addition, honeycomb duct adopts copper or copper base alloy material to play the back-fire relief effect.
For reducing oxygen variation in pressure in course of conveying, the inwall of bellows is identical with the oxygen conveying pipe pipeline outer wall, and the honeycomb duct inwall is identical with the defeated inner-walls of duct of oxygen.
The utility model is owing to adopted the fire-retarded type FlexbleJoint, weld behind its honeycomb duct and the inlet end end pipe expander, its joint is smooth, honeycomb duct is longer than bellows, and employing has the copper or the copper-based alloy material of back-fire relief effect, collection flame trap and compensator are one, reach province ground, material saving, province's fund, safe and reliable purpose.
Below in conjunction with accompanying drawing embodiment of the present utility model is done and to specify
Accompanying drawing is a structural representation of the present utility model
As shown in the figure, the utility model is by end pipe 1, end pipe 10, multiply bellows 5, honeycomb duct 6, seal ring 9, coupling flange 7, process flange 8 is formed, honeycomb duct 6 one ends have gradient, the end of inlet end is managed 1 inwall and is also had gradient both weld after adopting expander, its inwall joint is smooth transition, between honeycomb duct 6 and outlet side end pipe 10, be added with the individual four fluorine ethylene seal rings 9 of N (4 〉=N 〉=1), bellows 5 is longer than in honeycomb duct 6 outlet sides, honeycomb duct 6 was between end pipe 10 and seal ring 9 when assurance pipeline 5 expanded with heat and contract with cold, and adding seal ring is to avoid impurity to enter in the bellows.
For reducing oxygen variation in pressure in course of conveying, the inwall of bellows 5 is identical with the oxygen conveying pipe pipeline outer wall, and honeycomb duct 6 inwalls are identical with the defeated inner-walls of duct of oxygen.
The utility model installation process is such, and connecting flange 7 is packed bellows 5 into bellows 5 and process flange 8 welding, end pipe 1 and honeycomb duct 6 welding backs and process flange 8 welding, and process flange 8 connecting flanges 7 weld together.The other end connecting flange 7 bellows 5 of packing into, bellows 5 and process flange welding, honeycomb ducts 6 and process flange welding are inserted in cover upper sealing rings 9 backs in the end pipe 10, and last process flange and 7 welds together.
For making compensator play back-fire relief effect inlet end honeycomb duct and end smooth connection of pipe, reduce impurity and pipe friction and cause spark, combustion explosion, honeycomb duct have adopted the copper or the copper base alloy material of back-fire relief effect.
Claims (2)
1, a kind of fire-retarded type corrugated expansion joint, be by end pipe (1), end pipe (10), bellows (5), honeycomb duct (6), seal ring (9), coupling flange (7) is formed, it is characterized in that honeycomb duct (6) one ends have gradient, end pipe (1) inwall of inlet end also has gradient, both adopt the expander welding manner, honeycomb duct (6) the other end is longer than bellows (5), between honeycomb duct (6) and outlet side end pipe (10), be added with N (4 〉=N 〉=1) individual seal ring (9), bellows (5) two ends connect with process flange (8) respectively, end pipe (1), (10) weld with the process flange (8) at two ends respectively, process flange (8) welds together with connecting flange (7).
2. a kind of fire-retarded type corrugated expansion joint according to claim 1 is characterized in that described bellows (5) inwall is identical with the oxygen conveying pipe pipeline outer wall, and honeycomb duct (6) inwall is identical with the defeated inner-walls of duct of oxygen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97217090 CN2299979Y (en) | 1997-05-22 | 1997-05-22 | Fire-retarded corrugated expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97217090 CN2299979Y (en) | 1997-05-22 | 1997-05-22 | Fire-retarded corrugated expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2299979Y true CN2299979Y (en) | 1998-12-09 |
Family
ID=33933782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97217090 Expired - Fee Related CN2299979Y (en) | 1997-05-22 | 1997-05-22 | Fire-retarded corrugated expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2299979Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956883A (en) * | 2010-09-15 | 2011-01-26 | 安徽铜陵科力阀门有限责任公司 | Displacement adjusting mechanism of corrugated compensator |
| CN103162055A (en) * | 2013-03-26 | 2013-06-19 | 江苏亚星波纹管有限公司 | Novel multifunctional ripple compensator |
| CN103438319A (en) * | 2013-09-16 | 2013-12-11 | 海安县荣圣机械制造有限公司 | Axial internal-pressure-type corrugated compensator |
| CN103851295A (en) * | 2014-03-21 | 2014-06-11 | 江苏星光波纹管有限公司 | Expansion joint special for gas pipeline |
-
1997
- 1997-05-22 CN CN 97217090 patent/CN2299979Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956883A (en) * | 2010-09-15 | 2011-01-26 | 安徽铜陵科力阀门有限责任公司 | Displacement adjusting mechanism of corrugated compensator |
| CN103162055A (en) * | 2013-03-26 | 2013-06-19 | 江苏亚星波纹管有限公司 | Novel multifunctional ripple compensator |
| CN103438319A (en) * | 2013-09-16 | 2013-12-11 | 海安县荣圣机械制造有限公司 | Axial internal-pressure-type corrugated compensator |
| CN103851295A (en) * | 2014-03-21 | 2014-06-11 | 江苏星光波纹管有限公司 | Expansion joint special for gas pipeline |
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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 |