CN207893751U - A kind of wear-resisting double-jacket tube for defeated ash - Google Patents
A kind of wear-resisting double-jacket tube for defeated ash Download PDFInfo
- Publication number
- CN207893751U CN207893751U CN201721847376.1U CN201721847376U CN207893751U CN 207893751 U CN207893751 U CN 207893751U CN 201721847376 U CN201721847376 U CN 201721847376U CN 207893751 U CN207893751 U CN 207893751U
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- China
- Prior art keywords
- outer tube
- tube
- wear
- double
- welding block
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Abstract
The utility model discloses a kind of wear-resisting double-jacket tubes for defeated ash, it is intended to solve the problems, such as that the pad of double-jacket tube in the prior art is easy impaired by impact force for a long time and causes the fixed position of inner tube unstable and then damage entire pipeline；The double-jacket tube of the application includes Outer Tube, is arranged in Outer Tube interior conduit, for interior conduit to be welded in Outer Tube and spaced welding block, Outer Tube includes feed end and discharge end, further includes opposite welding block closer to feed end and is arranged at intervals on abrasion-proof structure on the inner wall of Outer Tube；Abrasion-proof structure in the application closer to feed end and is arranged at intervals on the inner wall of Outer Tube with respect to welding block, the material entered so as to avoid feed end is directly to welding block portion position, to preferably ensure that the service life at welding block position, solve the problems, such as that the pad of double-jacket tube is easy impaired by impact force for a long time and causes the fixed position of inner tube unstable and then damage entire pipeline；The application is suitable for pipeline field.
Description
Technical field
The utility model is related to tubing device fields, and in particular to a kind of wear-resisting double-jacket tube for defeated ash.
Background technology
Recirculating fluidized bed (CFB) boiler technology is the new technology that the seventies grow up, as a kind of cleaning burning skill
Art, special combustion system preferably resolve the burning of the coals such as sulfur-bearing high, ash content is big, impurity is more, low heat value and blowdown
The problem of aspect, but due to the big stroke of dust, the abrasion that circulating fluidized bed boiler is subject to is larger.It is followed simultaneously for conveying
Dry-ash System is generally used during circulation fluidized bed boiler fuel combustion generates in collection, conveying and storage boiler ash and slag
Method, but due to being dry ash in transportational process, impact force is big, if using common pipeline transportation, is easy to be impacted
Damage, has in the prior art dedicated for the double-jacket tube in dry ash handling system, generally includes an outer tube, be arranged in outer tube
Inner tube, and the pad for connecting inner and outer pipes.Its middle external tube and inner tube general diameter differ greatly, and are all the setting sides of off-centre operation
Formula, the set-up mode of concentric circles can greatly reduce the saturation of outer tube.Due to the set-up mode of off-centre operation, the connection of the two is usual
It is pad to be arranged by interval to connect, but pass through and be used for a long time, it is found that pad is easy to be damaged in use,
And it is unstable to cause inner tube to be fixed in outer tube, and outer tube is caused to be hit by outer tube so that entire pipeline can not be continuing with.
Utility model content
The purpose of this utility model is that：For double-jacket tube in the prior art pad be easy for a long time by impact force by
Damage and cause the fixed position of inner tube unstable so that damage entire pipeline the problem of, this application provides it is a kind of for it is defeated ash
Wear-resisting double-jacket tube.
The technical solution adopted in the utility model is as follows：
A kind of wear-resisting double-jacket tube for defeated ash, including Outer Tube, be arranged in Outer Tube interior conduit, for by inner tube
Road is welded in Outer Tube and spaced welding block, and Outer Tube includes feed end and discharge end, further includes relative to welding
Block is closer to feed end and is arranged at intervals on abrasion-proof structure on the inner wall of Outer Tube.
In said program, specifically, the abrasion-proof structure uses wear-resistant block, the wear-resistant block that the inner wall in Outer Tube is arranged
It is distributed above and circumferentially.
In said program, it is preferable that the height of the wear-resistant block is identical as welding block height.
In said program, optionally, the abrasion-proof structure uses wear ring, the wear ring to be welded on the inner wall of Outer Tube
On.
In said program, it is preferable that the ring width of the wear ring is identical as welding block height.
In said program, specifically, the outer diameter of the Outer Tube is 100-300cm, and the thickness of the Outer Tube is 5-
The outer diameter of 10cm, said inner tube road are 50-100cm, and the thickness in said inner tube road is 2-5cm.
In said program, it is preferable that the length in said inner tube road is identical as the length of Outer Tube.
In said program, it is preferable that be provided with bolt hole on the Outer Tube.
In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：
1. by the way that abrasion-proof structure is arranged in the application, abrasion-proof structure closer to feed end and is arranged at intervals on respect to welding block
On the inner wall of Outer Tube, the material entered so as to avoid feed end is directly to welding block portion position, to preferably ensure that weldering
The service life for connecing block portion position, the pad for solving double-jacket tube are easy impaired by impact force for a long time and lead to the fixation of inner tube
Position it is unstable so that damage entire pipeline the problem of；
2. the abrasion-proof structure in the application uses wear-resistant block, the material of feed end entrance is on the one hand avoided directly to welding
Block portion position, still further aspect can reduce impact of the material to outer tube wall, increase the service life of Outer Tube；
3. the height of wear-resistant block is identical as welding block height in the application, on the one hand facilitate the welding position of wear-resistant block, separately
Outer one side avoids solid accumulation in the crack of wear-resistant block and welding block；
4. abrasion-proof structure uses wear ring in the application, relative to wear-resistant block, due to being overall structure, so it uses the longevity
It orders longer；
5. the length of interior conduit and the length of Outer Tube are identical in the application, preferably transport effect can be reached；
6. being provided with bolt hole on the application China and foreign countries pipeline, the connection of double-jacket tube and other parts is facilitated to be used with dismounting.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.Attached drawing does not press actual size equal proportion scaling deliberately and draws attached drawing, it is preferred that emphasis is shows this
The purport of utility model.
Fig. 1 is the main sectional view of the wear-resisting double-jacket tube of the embodiment of the present application one；
Fig. 2 is the side view of the wear-resisting double-jacket tube of the embodiment of the present application one；
Fig. 3 is the main sectional view of the wear-resisting double-jacket tube of the embodiment of the present application two；
Fig. 4 is the side view of the wear-resisting double-jacket tube of the embodiment of the present application two；
Fig. 5 is the action principle schematic diagram of the wear-resisting double-jacket tube of the application；
Fig. 6 is the action principle schematic diagram of the double-jacket tube of the prior art；
Reference numeral：
100- Outer Tubes；110- bolts hole；200- interior conduits；300- welding blocks；500- abrasion-proof structures.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
A kind of wear-resisting double-jacket tube for defeated ash, including Outer Tube 100, be arranged in Outer Tube 100 interior conduit 200,
For interior conduit 200 being welded in Outer Tube 100 and spaced welding block 300, Outer Tube 100 include feed end and go out
Expect end, which is characterized in that further include opposite welding block 300 closer to feed end and be arranged at intervals on the inner wall of Outer Tube 100
Abrasion-proof structure 500.
The abrasion-proof structure 500 uses wear-resistant block, the wear-resistant block to be arranged on the inner wall of Outer Tube 100 and circumferentially divide
Cloth.
The height of the wear-resistant block is identical as 300 height of welding block.
The abrasion-proof structure 500 uses wear ring, the wear ring to be welded on the inner wall of Outer Tube 100.
The width of the wear ring is identical as 300 height of welding block.
The outer diameter of the Outer Tube 100 is 100-300cm, and the thickness of the Outer Tube 100 is 5-10cm, said inner tube road
200 outer diameter is 50-100cm, and the thickness in said inner tube road 200 is 2-5cm.
The length in said inner tube road 200 is identical as the length of Outer Tube 100.
Bolt hole 110 is provided on the Outer Tube 100.
Embodiment one
The wear-resisting double-jacket tube of the defeated ash in the present embodiment is illustrated in conjunction with Fig. 1 and Fig. 2 and Fig. 5 and Fig. 6：
A kind of wear-resisting double-jacket tube for defeated ash, including Outer Tube 100, be arranged in Outer Tube 100 interior conduit 200,
For interior conduit 200 being welded in Outer Tube 100 and spaced welding block 300, Outer Tube 100 include feed end and go out
Expect end, further includes closer to feed end and being arranged at intervals on abrasion-proof structure on the inner wall of Outer Tube 100 relative to welding block 300
500。
The abrasion-proof structure 500 uses wear ring, and the wear ring is welded on the inner wall of Outer Tube 100, described wear-resisting
The ring width of ring is identical as 300 height of welding block；
The outer diameter of Outer Tube 100 wherein in the present embodiment is 100cm, and the thickness of Outer Tube 100 is 5cm, interior conduit 200
Outer diameter be 50cm, the thickness in said inner tube road 200 is 2cm, and the thickness of welding block 300 is 5cm, the ring width of wear ring be also
5cm；
With reference to figure 6：Existing material directly generates the position of welding block 300 acute after feed end enters double-jacket tube
Strong impact, after a period of time, welding block 300 are easy for being worn, and interior conduit 200 will fix shakiness, and material is again
When Secondary Shocks, interior conduit 200 will hit Outer Tube 100, generate noise, in the course of time, Outer Tube 100 can be made to generate
Damage, can not use so as to cause entire double-jacket tube；
With reference to figure 5：The principle schematic of the double-jacket tube of the present embodiment, material enter the double-jacket tube of the present embodiment from feed end
Later, due to abrasion-proof structure 500 relative to welding block 300 closer to feed end, so material will not directly impact welding block
300, but abrasion-proof structure 500 is directly impacted, while abrasion-proof structure 500 has also buffered the impact force of material, to reduce object
Expect the frictional force of the outer wall to the inner wall and interior conduit 200 of Outer Tube 100, and then increases the service life of entire twin flue.
Embodiment two
In conjunction with Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the wear-resisting double-jacket tube of the defeated ash in the present embodiment is illustrated：
A kind of wear-resisting double-jacket tube for defeated ash, including Outer Tube 100, be arranged in Outer Tube 100 interior conduit 200,
For interior conduit 200 being welded in Outer Tube 100 and spaced welding block 300, Outer Tube 100 include feed end and go out
Expect end, further include opposite welding block 300 closer to feed end and is arranged at intervals on abrasion-proof structure 500 on the inner wall of Outer Tube 100.
Abrasion-proof structure 500 uses wear-resistant block, and the wear-resistant block is arranged on the inner wall of Outer Tube 100 and is circumferentially distributed, resistance to
The height of abrading block is identical as 300 height of welding block；
The outer diameter of Outer Tube 100 wherein in the present embodiment is 200cm, and the thickness of Outer Tube 100 is 6cm, interior conduit 200
Outer diameter be 50cm, the thickness in said inner tube road 200 is 2cm, and the thickness of welding block 300 is 5cm, the ring width of wear ring be also
5cm；
With reference to figure 6：Existing material directly generates the position of welding block 300 acute after feed end enters double-jacket tube
Strong impact, after a period of time, welding block 300 are easy for being worn, and interior conduit 200 will fix shakiness, and material is again
When Secondary Shocks, interior conduit 200 will hit Outer Tube 100, generate noise, in the course of time, Outer Tube 100 can be made to generate
Damage, can not use so as to cause entire double-jacket tube；
With reference to figure 5：The principle schematic of the double-jacket tube of the present embodiment, material enter the double-jacket tube of the present embodiment from feed end
Later, due to abrasion-proof structure 500 relative to welding block 300 closer to feed end, so material will not directly impact welding block
300, but abrasion-proof structure 500 is directly impacted, while abrasion-proof structure 500 has also buffered the impact force of material, to reduce object
Expect the frictional force of the outer wall to the inner wall and interior conduit 200 of Outer Tube 100, and then increases the service life of entire twin flue.
Embodiment three
On the basis of a kind of wear-resisting double-jacket tube for defeated ash of described in embodiment one or two, wherein interior conduit 200
Length is identical as the length of Outer Tube 100, and bolt hole 110 is provided on Outer Tube 100.
Wherein it should be noted that abrasion-proof structure 500 is not limited to above structure, wherein wear-resistant block is relative to wear ring
Service life is shorter, but relatively lower in cost, is configured with specific reference to demand.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
It is any to belong to those skilled in the art within the technical scope disclosed by the utility model in this, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.
Claims (8)
1. a kind of wear-resisting double-jacket tube for defeated ash includes the interior conduit of Outer Tube (100), setting in Outer Tube (100)
(200), it is used to interior conduit (200) being welded in Outer Tube (100) and spaced welding block (300), Outer Tube (100)
Including feed end and discharge end, which is characterized in that further include closer to feed end and being arranged at intervals on relative to welding block (300)
Abrasion-proof structure (500) on the inner wall of Outer Tube (100).
2. a kind of wear-resisting double-jacket tube for defeated ash as described in claim 1, which is characterized in that the abrasion-proof structure (500)
Using wear-resistant block, the wear-resistant block is arranged on the inner wall of Outer Tube (100) and is circumferentially distributed.
3. a kind of wear-resisting double-jacket tube for defeated ash as claimed in claim 2, which is characterized in that the height of the wear-resistant block and
Welding block (300) height is identical.
4. a kind of wear-resisting double-jacket tube for defeated ash as described in claim 1, which is characterized in that the abrasion-proof structure (500)
Using wear ring, the wear ring is welded on the inner wall of Outer Tube (100).
5. a kind of wear-resisting double-jacket tube for defeated ash as claimed in claim 4, which is characterized in that the ring width of the wear ring and
Welding block (300) height is identical.
6. a kind of wear-resisting double-jacket tube for defeated ash as described in claim 1, which is characterized in that the Outer Tube (100)
Outer diameter is 100-300cm, and the thickness of the Outer Tube (100) is 5-10cm, and the outer diameter of said inner tube road (200) is 50-
The thickness of 100cm, said inner tube road (200) are 2-5cm.
7. a kind of wear-resisting double-jacket tube for defeated ash as described in claim 1, which is characterized in that said inner tube road (200)
Length is identical as the length of Outer Tube (100).
8. a kind of wear-resisting double-jacket tube for defeated ash as described in claim 1, bolt hole is provided on the Outer Tube (100)
(110)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721847376.1U CN207893751U (en) | 2017-12-26 | 2017-12-26 | A kind of wear-resisting double-jacket tube for defeated ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721847376.1U CN207893751U (en) | 2017-12-26 | 2017-12-26 | A kind of wear-resisting double-jacket tube for defeated ash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207893751U true CN207893751U (en) | 2018-09-21 |
Family
ID=63549740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721847376.1U Expired - Fee Related CN207893751U (en) | 2017-12-26 | 2017-12-26 | A kind of wear-resisting double-jacket tube for defeated ash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207893751U (en) |
-
2017
- 2017-12-26 CN CN201721847376.1U patent/CN207893751U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180921 Termination date: 20191226 |