CN209399022U - Dust-proof slag-dropping pipe expansion joint - Google Patents
Dust-proof slag-dropping pipe expansion joint Download PDFInfo
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- CN209399022U CN209399022U CN201821664018.1U CN201821664018U CN209399022U CN 209399022 U CN209399022 U CN 209399022U CN 201821664018 U CN201821664018 U CN 201821664018U CN 209399022 U CN209399022 U CN 209399022U
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- baffle ring
- pipe
- dust
- bottom plate
- connection
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Abstract
The utility model relates to a kind of dust-proof slag-dropping pipe expansion joints, it is arranged between scum pipe and slag dropping tube, including top plate, bottom plate and bellows, the socket for scum pipe insertion is offered on bottom plate, dust-proof mechanism is equipped in the socket of bottom plate, dust-proof mechanism includes inner tube, baffle ring and Dustproof pipe is isolated, the connection of the spigot seal of inner tube lower end and bottom plate, upper end of inner tube connection isolation baffle ring, Dustproof pipe lower end passes through and is formed from the jack of isolation baffle ring and is slidably matched, Dustproof pipe lower end forms connection baffle ring, connection baffle ring is provided with multiple dedusting inflators with being isolated between baffle ring, the push rod of dedusting inflator is fixedly connected with baffle ring is isolated, the gas nozzle end of dedusting inflator is fixedly connected with baffle ring is connect, stomata is offered on connection baffle ring, the gas nozzle of dedusting inflator is plugged in the stomata of connection baffle ring, it will not be entered with solving the dust of deslagging pipe outer wall The problems in expansion joint inner cavity.
Description
Technical field
The utility model relates to a kind of dust-proof slag-dropping pipe expansion joints.
Background technique
The clinker of thermal power plant boiler discharge generally passes through metal scum pipe and exports.Due to the clinker of high temperature cause scum pipe by
Heat, scum pipe are axially generating displacement；Boiler can also cause scum pipe to generate biggish axial displacement when starting and stopping；
These displacements can all cause scum pipe and slag dropping tube to be unable to location and installation.
In the prior art, scum pipe is connected using slag-dropping pipe expansion joint with slag dropping tube, clinker is transmitted by scum pipe
Into slag dropping tube, and avoid generating the shadow misaligned when pipeline generation axial displacement by the elastic telescopic function of expansion joint
It rings.
But scum pipe, in expansion joint when axial stretching, scum pipe can be skidded off from slag dropping tube, and clinker is caused directly to arrange
It puts into expansion joint, therefore the clinker of high temperature generates permanent destruction to expansion joint, makes the reduction of expansion joint service life, when necessary
It needs replacing, influences job schedule；
When scum pipe is slided with respect to slag dropping tube, the dust that scum pipe protrudes into the section of tubing surface attachment of slag dropping tube can be with
Scum pipe when being moved axially in expansion joint dust enter in the inner cavity of expansion joint, so that the inner cavity of expansion joint is deposited a large amount of ashes
Dirt causes expansion joint not having the function of tensile elasticity, needs replacing expansion joint when necessary, influences job schedule.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of dust-proof slag-dropping pipe expansion joints, to solve scum pipe lower end
The dust of outer surface attachment will not enter the problems in expansion joint inner cavity.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of dust-proof slag-dropping pipe expansion joint is provided, is arranged between scum pipe and slag dropping tube, including top plate and bottom plate and wave
Line pipe, bellows one end are welded and fixed with top plate, and the bellows other end is welded and fixed with bottom plate, in top plate lower end surface, bellows
Formation elastic compensating chamber between face and bottom plate upper surface is kept away, the socket for scum pipe insertion is offered on bottom plate, bottom plate
Dust-proof mechanism is equipped in socket；
Dust-proof mechanism includes inner tube, isolation baffle ring and Dustproof pipe, the spigot seal connection of inner tube lower end and bottom plate, inner tube
Upper end connection isolation baffle ring, Dustproof pipe lower end passes through and is formed from the jack of isolation baffle ring and is slidably matched；
Dustproof pipe lower end forms connection baffle ring, and connection baffle ring is provided with multiple dedusting inflators, dedusting with being isolated between baffle ring
The push rod of inflator is fixedly connected with baffle ring is isolated, and the gas nozzle end of dedusting inflator is fixedly connected with baffle ring is connect；
Stomata is offered on connection baffle ring, the gas nozzle of dedusting inflator is plugged in the stomata of connection baffle ring；
Scum pipe lower end passes through and is formed from Dustproof pipe and is slidably matched.
Further, the stomata for connecting baffle ring is obliquely installed, and the outlet end of stomata is towards Dustproof pipe.
Further, Dustproof pipe upper end forms limit baffle ring, and limit baffle ring is provided with limit spring with being isolated between baffle ring,
Limit spring is set on Dustproof pipe, and limit spring upper end is fixedly connected with limit baffle ring, limit spring lower end with baffle ring is isolated
It is fixedly connected.
Further, scum pipe lower end forms the positioning baffle ring for preventing scum pipe from passing through from Dustproof pipe.
Further, between top plate lower end surface, bottom plate upper surface, ripple inside pipe wall, outer wall of inner tube and deslagging pipe outer wall
Incubation cavity is formed, is filled with the alumina silicate heat-preservation cotton containing zirconium in incubation cavity.
The beneficial effects of the utility model are:
Using scum pipe in expansion joint when axial stretching, connection baffle ring and the dedusting inflator be isolated between baffle ring are driven
Push rod stretching motion, so that the blowing by gas nozzle blows off the dust that scum pipe lower end outer surface is adhered into slag dropping tube, with
The dust for solving deslagging pipe outer wall will not enter the problems in expansion joint inner cavity.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawing.
Fig. 1 is the schematic diagram of the utility model expansion joint；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the schematic diagram of Dustproof pipe in Fig. 1；
Wherein；1, scum pipe, 2, slag dropping tube, 3, top plate, 4, bottom plate, 5, bellows, 6, inner tube, 7, isolation baffle ring, 8, anti-
Dirt pipe, 9, connection baffle ring, 91, dedusting inflator, 10, limit spring, 11, positioning baffle ring.
Specific embodiment
The utility model is further described presently in connection with attached drawing.These attached drawings are simplified schematic diagram only to show
Meaning mode illustrates the basic structure of the utility model, therefore it only shows composition related with the utility model.
As shown in Figures 1 to 3；A kind of dust-proof slag-dropping pipe expansion joint is provided, is arranged between scum pipe 1 and slag dropping tube 2, including
Top plate 3, bottom plate 4 and bellows 5,5 one end of bellows are welded and fixed with top plate 3, and 5 other end of bellows and the welding of bottom plate 4 are solid
It is fixed, formation elastic compensating chamber between 4 upper surface of face and bottom plate is kept away in 3 lower end surface of top plate, bellows 5, is offered on bottom plate 4
For the socket that scum pipe 1 is inserted into, dust-proof mechanism is equipped in the socket of bottom plate 4；
Dust-proof mechanism includes inner tube 6, isolation baffle ring 7 and Dustproof pipe 8, the spigot seal company of 6 lower end of inner tube and bottom plate 4
It connects, 6 upper end of inner tube connection isolation baffle ring 7,8 lower end of Dustproof pipe passes through and formed from the jack of isolation baffle ring 7 and is slidably matched；
8 lower end of Dustproof pipe forms connection baffle ring 9, and connection baffle ring 9 is provided with multiple dedusting inflators with being isolated between baffle ring 7
91, the push rod of dedusting inflator 91 is fixedly connected with baffle ring 7 is isolated, and company is fixed with baffle ring 9 is connect in the gas nozzle end of dedusting inflator 91
It connects；
Stomata is offered on connection baffle ring 9, the gas nozzle of dedusting inflator 91 is plugged in the stomata of connection baffle ring 9, is connecting
The stomata of baffle ring 9 is obliquely installed, and the outlet end of stomata is to make the gas blown out from the gas nozzle of dedusting inflator 91 towards Dustproof pipe 8
Preferably the dust of 1 outer wall of scum pipe can be blown off into slag dropping tube 2；
1 lower end of scum pipe, which passes through and formed from Dustproof pipe 8, to be slidably matched, and is axially stretched in expansion joint by scum pipe 1
When contracting, the push rod stretching motion of connection baffle ring 9 and the dedusting inflator 91 being isolated between baffle ring 7 is driven, thus blowing by gas nozzle
Wind blows off the dust that 1 lower end outer surface of scum pipe is adhered into slag dropping tube 2, to solve the dust of 1 lower end outer wall of scum pipe not
The problems in expansion joint inner cavity can be entered.
Inflator has been matured product in the market at present, but the piston in inflator is due to the work in the expansion joint of boiler
Make, is easy to produce problem of aging, a kind of rubber piston for framework of inflater is disclosed in patent CN90220309.6, can play
Tough and tensile oil resistant, wear-resisting, heat-resisting, cold-resistant, ageing-resistant, easy to install and use piston, can solve building ring in the utility model
The problem of border is high temperature.
To prevent Dustproof pipe 8 from skidding off from inner tube 6,8 upper end of Dustproof pipe formed limit baffle ring, limit baffle ring be isolated keep off
Limit spring 10 is provided between ring 7, limit spring 10 is set on Dustproof pipe 8, and 10 upper end of limit spring and limit baffle ring are solid
Fixed connection, 10 lower end of limit spring are fixedly connected with baffle ring 7 be isolated, and in 1 lower end of scum pipe, formation is for preventing scum pipe 1 from preventing
The positioning baffle ring 11 passed through in dirt pipe 8.
Limit spring 10 can be set on Dustproof pipe 8 using major diameter spring, the spring of major diameter be at present at
Ripe product, this following stainless steel spring, can keep better stability at high temperature, and it is dust-proof swollen to improve the utility model
The service life of swollen section；
When being slided in inner tube 6 by Dustproof pipe 8, drives the compression of limit spring 10 or also effectively prevent while stretching
Only Dustproof pipe 8 is skidded off from inner tube 6, guarantees that the clinker of the discharge of scum pipe 1 and dust are directly discharged in the slag dropping tube 2 of lower section,
Or be first emitted into Dustproof pipe 8 in falling to slag dropping tube 2, realize that clinker will not infiltrate into elastic compensating chamber, effectively
It solves the problems, such as to need replacing expansion joint due to depositing a large amount of dust in elastic compensating chamber.
(https: //item.taobao.com/item.htm? id=562078303334&ali_refid=a3_4
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The shape between 3 lower end surface of top plate, 4 upper surface of bottom plate, 1 outer wall of 5 inner wall of bellows, 6 outer wall of inner tube and scum pipe
At incubation cavity, the alumina silicate heat-preservation cotton containing zirconium is filled in incubation cavity.Since alumina silicate heat-preservation cotton is flexible material, so will not
The stretcher strain for hampering limit spring 10, the presence due to alumina silicate heat-preservation cotton as filler, so can effectively prevent to limit
Position spring 10 obtains stretcher strain amount, plays the role of protecting limit spring 10.
In actual operation, boiler by scum pipe 1 when clinker is discharged, due to the clinker of high temperature cause scum pipe 1 by
Heat causes scum pipe 1 axially generating displacement, pulls bellows 5 in axially reciprocating, scum pipe 1 is when stretching out, band
Dynamic Dustproof pipe 8 slides up and down in inner tube 6, drives connection baffle ring 9 flexible with the push rod for the dedusting inflator 91 being isolated between baffle ring 7
Movement is adhered to 1 lower end outer surface of scum pipe by the blowing of gas nozzle so that the gas nozzle of dedusting inflator 91 generates air-breathing and air blowing
Dust blow off into slag dropping tube 2, asking in expansion joint inner cavity will not be entered to solve the dust of 1 lower end outer wall of scum pipe
Topic, increases the service life of expansion joint, and reduces the number of replacement expansion tube, reduces the work intensity of operator.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (4)
1. a kind of dust-proof slag-dropping pipe expansion joint is arranged between scum pipe (1) and slag dropping tube (2), including top plate (3), bottom plate (4)
And bellows (5), described bellows (5) one end are welded and fixed with top plate (3), bellows (5) other end and bottom plate (4)
It is welded and fixed, is kept away between face and bottom plate (4) upper surface in top plate (3) lower end surface, bellows (5) and form elastic compensating
Chamber offers the socket for scum pipe (1) insertion on bottom plate (4), characterized in that is equipped in the socket of the bottom plate (4) anti-
Dirt mechanism；
The dust-proof mechanism includes inner tube (6), isolation baffle ring (7) and Dustproof pipe (8), said inner tube (6) lower end and bottom plate (4)
Spigot seal connection, said inner tube (6) upper end connection isolation baffle ring (7), Dustproof pipe (8) lower end from isolation baffle ring (7)
Jack in pass through and formed and be slidably matched；
Dustproof pipe (8) lower end forms connection baffle ring (9), the connection baffle ring (9) be isolated between baffle ring (7) be provided with it is more
A dedusting inflator (91), the push rod of the dedusting inflator (91) are fixedly connected with baffle ring (7) is isolated, the dedusting inflator (91)
Gas nozzle end is fixedly connected with baffle ring (9) is connect；
Stomata is offered on the connection baffle ring (9), the gas nozzle of the dedusting inflator (91) is plugged on the stomata of connection baffle ring (9)
It is interior；
Scum pipe (1) lower end, which passes through and formed from Dustproof pipe (8), to be slidably matched；
The stomata of connection baffle ring (9) is obliquely installed, and the outlet end of the stomata is towards Dustproof pipe (8).
2. dust-proof slag-dropping pipe expansion joint according to claim 1, characterized in that Dustproof pipe (8) upper end forms limit
Baffle ring, the limit baffle ring are provided with limit spring (10) with being isolated between baffle ring (7), and the limit spring (10) is set in anti-
On dirt pipe (8), limit spring (10) upper end is fixedly connected with limit baffle ring, limit spring (10) lower end be isolated gear
Ring (7) is fixedly connected.
3. dust-proof slag-dropping pipe expansion joint according to claim 1, characterized in that scum pipe (1) lower end forms and is used for
The positioning baffle ring (11) for preventing scum pipe (1) from passing through from Dustproof pipe (8).
4. dust-proof slag-dropping pipe expansion joint according to claim 1, characterized in that top plate (3) lower end surface, bottom plate (4)
Incubation cavity is formed between upper surface, bellows (5) inner wall, inner tube (6) outer wall and scum pipe (1) outer wall, in the incubation cavity
Filled with the alumina silicate heat-preservation cotton containing zirconium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821664018.1U CN209399022U (en) | 2018-10-12 | 2018-10-12 | Dust-proof slag-dropping pipe expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821664018.1U CN209399022U (en) | 2018-10-12 | 2018-10-12 | Dust-proof slag-dropping pipe expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209399022U true CN209399022U (en) | 2019-09-17 |
Family
ID=67878196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821664018.1U Expired - Fee Related CN209399022U (en) | 2018-10-12 | 2018-10-12 | Dust-proof slag-dropping pipe expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209399022U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237558A (en) * | 2020-03-06 | 2020-06-05 | 张嫚 | Expansion joint |
-
2018
- 2018-10-12 CN CN201821664018.1U patent/CN209399022U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237558A (en) * | 2020-03-06 | 2020-06-05 | 张嫚 | Expansion joint |
| CN111237558B (en) * | 2020-03-06 | 2021-12-07 | 江苏中兴水务有限公司 | Expansion joint |
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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 |
Granted publication date: 20190917 Termination date: 20201012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |