CN202791114U - Air supply device expansion joint - Google Patents
Air supply device expansion joint Download PDFInfo
- Publication number
- CN202791114U CN202791114U CN 201220244980 CN201220244980U CN202791114U CN 202791114 U CN202791114 U CN 202791114U CN 201220244980 CN201220244980 CN 201220244980 CN 201220244980 U CN201220244980 U CN 201220244980U CN 202791114 U CN202791114 U CN 202791114U
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- CN
- China
- Prior art keywords
- connection pipe
- take over
- expansion joint
- metal bellows
- plate
- 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 discloses an air supply device expansion joint which comprises flanges, a connection pipe I, a bellow connection pipe, an annular plate, a metal bellow I and a connection pipe II. The air supply device expansion joint is characterized in that flow guide barrels are arranged between the metal bellow I and the connection pipe I and between the metal bellow I and the connection pipe II, one end of each flow guide barrel is connected with the annular plate, the other end of each flow guide barrel is connected with a flow guide barrel blocking plate, a gap is reversed between the flow guide barrel blocking plate and the connection pipe I, a metal bellow II is welded between the connection pipe I and the connection pipe II, two blocking plats are welded on the inner walls of the connection pipe I and the connection pipe II at two ends of the metal bellow II, aluminum silicate ceramic fiber materials are filled between the blocking plates and the metal bellow II, blocking rings are welded on the inner walls of the connection pipe I and the connection pipe II. Simultaneously, high-temperature fire clay is poured, a transportation pull rod assembly is connected with flanges at two ends. The air supply device expansion joint has the advantages of being safe and reliable and long in service life.
Description
Technical field
The utility model relates to a kind of metal corrugated pipe expansion joint, particularly a kind of blast device expansion joint.
Background technique
Metal corrugated pipe expansion joint is widely used in the important industries of national economy such as electric power, metallurgy, chemical industry, building, food, pharmacy, with the displacement of compensation conduit system because expanding with heat and contract with cold and producing.Carry occasion for blast furnace blast device and other high temperature media, because temperature is higher, it is very large that high temperature media impacts creep rupture to the metal bellows body, must use resistant to elevated temperatures high-temperature expansion joint, and existing high-temperature expansion joint adopts labyrinth structure by guide shell, the methods such as the high temperature resistant castable of the inboard cast of guide shell temporarily can solve pipeline high temperature and to the requirement of expansion joint compensation rate, but this method, cause expansion joint very short working life, i.e. impact is produced, and adds again large enterprises' cost of production.
The model utility content
The utility model is for the deficiencies in the prior art, and a kind of blast device expansion joint of safe and reliable, long service life is provided.
The technical solution of the utility model is: the blast device expansion joint comprises: flange, take over I, bellows is taken over, ring flat-plate, metal bellows I, take over II, it is characterized in that: at metal bellows I and adapter I, take between the II and be provided with guide shell, guide shell one end connects ring flat-plate, the other end connects the guide shell baffle plate, the guide shell baffle plate leaves the gap with adapter I, take over I, take over welded metal bellow II between the II, taking over I, take over and be positioned at welding two baffle plates in metal bellows II two ends on the II inwall, fill the alumina-silicate ceramic fibre material between baffle plate and the metal bellows II, take over I, bellows is taken over, ring flat-plate, metal bellows I, take over and fill the alumina-silicate ceramic fibre material in the cavity between the II, take over I, take over II inwall welding baffle ring, build simultaneously high-temperature flame-proof mud, the transportation rod assembly is connected on two end flange.
Further, described welded metal bellow II, its material is 0Cr25Ni20.
Adopt above technological scheme, take over both sides in the utility model and fill respectively high-temperature resistant thermal insulating material and cast high-temperature flame-proof mud, effectively protected metal bellows not to be subjected to the impact of high temperature media, energy is the retainer compensation ability for a long time.Particularly taking over I, taking over newly-increased metal bellows II between the II, metal bellows II plays compensating action before this behind the installation expansion joint, described its material of metal bellows II is 0Cr25Ni20, can resist 1000 degree high temperature, metal bellows II is burnt rear metal bellows I and is played compensating action after a period of time, expansion joint still can use, and this just makes an expansion joint be equivalent to the working life of two expansion joints.
The utility model has the advantages of and be: safe and reliable, long service life.
Description of drawings
Accompanying drawing 1 is the utility model structural representation.
Accompanying drawing indicates: 1, flange 2, adapter I 3, bellows adapter 4, ring flat-plate 5, metal bellows I 6, guide shell baffle plate 7, guide shell 8, metal bellows II 9, baffle plate 10, adapter II 11, baffle ring 12, transportation rod assembly
Embodiment
Below in conjunction with accompanying drawing the utility model is done to describe further.
As shown in the figure, the blast device expansion joint, comprise flange 1, take over I 2, bellows takes over 3, ring flat-plate 4, metal bellows I5, take over II 10, it is characterized in that: at metal bellows I 5 and adapter I 2, take between the II 10 guide shell 7 is arranged, guide shell 7 one ends connect ring flat-plate 4, the other end connects guide shell baffle plate 6, guide shell baffle plate 6 leaves the gap with adapter I 2, take over I 2, take over connection metal bellows II 8 between the II 10, its material is 0Cr25Ni20, I 2 is being taken on metal bellows II 8 both sides, take over and connect baffle plate 9 on II 10 inwalls, fill the alumina-silicate ceramic fibre material between baffle plate 9 and the metal bellows II 8, take over I 2, bellows takes over 3, ring flat-plate 4, metal bellows I 5, take over and fill the alumina-silicate ceramic fibre material in the cavity between the II 10, take over I 2, take over II 10 inwalls and connect baffle ring 11, build simultaneously high-temperature flame-proof mud, transportation rod assembly 12 is connected on two end flange.
Should be appreciated that above is illustrative and not restrictive by preferred embodiment to the technical solution of the utility model, identical according to thought essence of design of the present utility model to those skilled in the art, all within the utility model protection domain.In sum, this specification can not be interpreted as restriction of the present utility model.
Claims (2)
1. blast device expansion joint, comprise flange (1), take over I (2), bellows is taken over (3), ring flat-plate (4), metal bellows I (5), take over II (10), it is characterized in that: at metal bellows I (5) and adapter I (2), take between the II (10) guide shell (7) is arranged, guide shell (7) one ends connect ring flat-plate (4), the other end connects guide shell baffle plate (6), guide shell baffle plate (6) leaves the gap with adapter I (2), take over I (2), take over connection metal bellows II (8) between the II (10), I (2) is being taken on metal bellows II (8) both sides, take on II (10) inwall and connect baffle plate (9), fill the alumina-silicate ceramic fibre material between baffle plate (9) and the metal bellows II (8), take over I (2), bellows is taken over (3), ring flat-plate (4), metal bellows I (5), take over and fill the alumina-silicate ceramic fibre material in the cavity between the II (10), take over I (2), take over II (10) inwall and connect baffle ring (11), build simultaneously high-temperature flame-proof mud, transportation rod assembly (12) is connected on two end flange.
2. blast device expansion joint according to claim 1, it is characterized in that: described metal bellows II (8), its material is OCr25Ni20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220244980 CN202791114U (en) | 2012-05-29 | 2012-05-29 | Air supply device expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220244980 CN202791114U (en) | 2012-05-29 | 2012-05-29 | Air supply device expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202791114U true CN202791114U (en) | 2013-03-13 |
Family
ID=47818377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220244980 Expired - Fee Related CN202791114U (en) | 2012-05-29 | 2012-05-29 | Air supply device expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202791114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542842A (en) * | 2022-01-17 | 2022-05-27 | 江苏同方机械制造有限公司 | Double-isolation high-temperature-resistant metal corrugated expansion joint |
-
2012
- 2012-05-29 CN CN 201220244980 patent/CN202791114U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542842A (en) * | 2022-01-17 | 2022-05-27 | 江苏同方机械制造有限公司 | Double-isolation high-temperature-resistant metal corrugated expansion joint |
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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 |
Granted publication date: 20130313 Termination date: 20150529 |
|
| EXPY | Termination of patent right or utility model |