CN105387442B - Boiler penthouse expansion joint sealing device - Google Patents
Boiler penthouse expansion joint sealing device Download PDFInfo
- Publication number
- CN105387442B CN105387442B CN201510974884.5A CN201510974884A CN105387442B CN 105387442 B CN105387442 B CN 105387442B CN 201510974884 A CN201510974884 A CN 201510974884A CN 105387442 B CN105387442 B CN 105387442B
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- CN
- China
- Prior art keywords
- backplate
- comb
- expansion
- joint
- membrane wall
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
- F22B37/105—Penetrations of tubes through a wall and their sealing
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
Boiler penthouse expansion joint sealing device.Traditional steel plate sealing can not realize the free wxpansion between part, easy drawing crack.A kind of boiler penthouse expansion joint sealing device, its composition include：Roof tube（13）, backplate（10）, comb plate, comb joint（4）, expansion bellow（1）, circular expander section（12）, pressing plate（2）And ceramic fiber paper（3）, type of attachment is divided into the pipeline that ceiling membrane wall, surrounding membrane wall, furnace roof pass（9）And suspension rod（8）It is connected between described backplate, it is that described comb plate, comb joint is welded on to described roof tube and water-cooling wall that described ceiling membrane wall and surrounding membrane wall are connected with described backplate（7）On, described expansion bellow is added between described backplate and described combed plate, described ceramic fiber paper is padded between described combed plate and described expansion bellow, is weldering connection between described expansion bellow and described backplate.The present invention is applied to boiler penthouse expansion joint sealing device.
Description
Technical field：
A kind of passed the present invention relates to large coal powder boiler ceiling membrane wall, surrounding membrane wall and furnace roof pipeline, hang
Sealing structure between bar, more particularly to a kind of boiler penthouse expansion joint sealing device.
Background technology：
The burner hearth and flue of large coal powder boiler are all-sealed structures, but at ceiling with surrounding arrangement membrane wall, wear
Go out the sealing of the heating surface and suspension rod, pipeline etc. of roof tube, if only with steel plate sealing can not realize between each part from
By expanding, it is easy to drawing crack, influence heating surface safe operation, sealing structure uses dense steel plate to current domestic station boiler herein
Envelope or bolt connection sealing, in the easy drawing crack in steel plate corner.
The content of the invention：
It is an object of the invention to provide a kind of boiler penthouse expansion joint sealing device.
Above-mentioned purpose is realized by following technical scheme：
A kind of boiler penthouse expansion joint sealing device, its composition include：Roof tube, backplate, comb plate, comb joint, expansion bellow,
Circular expander section, pressing plate and ceramic fiber paper, type of attachment are divided into the pipeline that ceiling membrane wall, surrounding membrane wall, furnace roof pass
Connected between suspension rod and described backplate, it is by institute that described ceiling membrane wall and surrounding membrane wall are connected with described backplate
The comb plate, comb joint stated is welded on described roof tube and water-cooling wall, and described ripple is added between described backplate and described comb plate, comb joint
Line expansion joint, described ceramic fiber paper, the expansion of described ripple are padded between described comb plate, comb joint and described expansion bellow
It is weldering connection between section and described backplate.
Described boiler penthouse expansion joint sealing device, described ceiling membrane wall and surrounding membrane wall and described backplate
Connection, it is using being welded to connect between the ceiling metal inner casing that header, pipe joint cladding are got up.
Described boiler penthouse expansion joint sealing device, the pipeline connection that described furnace roof passes is using the described circle of installation
The mode of shape expansion joint, i.e., pipeline is passed through into described circular expander section, and described circular expander section one end is welded in backplate
On, the other end is welded on the clip of pipeline.
Described boiler penthouse expansion joint sealing device, the suspension rod connection that described furnace roof passes also are used described in installation
The mode of circular expander section, will described suspension rod pass through described circular expander section, and by described circular expander section one end
It is welded on described backplate, the other end is welded on the described clip of described suspension rod.
Described boiler penthouse expansion joint sealing device, bolt and spiral shell are used between described comb plate, comb joint and described pressing plate
Mother's connection, the connection of described screw bolt and nut are connected to described backplate, described boiler penthouse expansion joint sealing dress again simultaneously
Put, there is T-steel plate framework on described backplate.
Beneficial effects of the present invention：
1. the boiler penthouse expansion joint sealing device of the present invention, simple in construction, it is easy to workshop processing and site operation；Simultaneously
Solve at large coal powder boiler ceiling with the membrane wall of surrounding arrangement, the heating surface and suspension rod, pipeline etc. that pass roof tube
Sealing problem.
The boiler penthouse expansion joint sealing device of the present invention, absorbed using expansion bellow and steel plate expansion joint it is different by
Hot face, pipeline, the differential expansion of suspension rod, welded seal form can be used on the premise of expansion is not influenceed.
The boiler penthouse expansion joint sealing device of the present invention, it is welded between the comb plate, comb joint on heating surface and backplate and adds ripple
Expansion joint, expansion bellow are connected with structure with comb plate, comb joint junction, and it is fine that ceramics are padded between comb plate, comb joint and expansion bellow
Paper is tieed up, is to be welded to connect between expansion joint and backplate, between heating surface and backplate plus a circle expansion joint makes backplate and ceiling and water
The swollen difference of cold wall can effectively absorb, using being welded to connect between the ceiling metal inner casing that header, pipe joint cladding are got up,
Suspension rod, pipeline through backplate install expansion joint additional, and for expansion joint with pipeline, suspension rod using being welded to connect, sealing effectiveness is fine, and
It is safe for operation that heating surface is not influenceed.
Brief description of the drawings：
Accompanying drawing 1 is the structural representation of the present invention.
Accompanying drawing 2 is the bolted structural representation that the present invention uses.
Accompanying drawing 3 is that the suspension rod that the present invention uses wears structural representation at backplate.
Accompanying drawing 4 is that the pipeline that the present invention uses wears structural representation at backplate.
Embodiment：
Embodiment 1：
A kind of boiler penthouse expansion joint sealing device, its composition include：Roof tube 13, backplate 10, comb plate, comb joint 4, ripple are swollen
Swollen section 1, circular expander section 12, pressing plate and ceramic fiber paper 3, type of attachment are divided into ceiling membrane wall, surrounding membrane wall, furnace roof and worn
Connected between the pipeline 9 and suspension rod 8 and described backplate that go out, described ceiling membrane wall and surrounding membrane wall and described backplate
Connection is welded on described comb plate, comb joint on described roof tube and water-cooling wall 7, described backplate and described comb plate, comb joint it
Between plus described expansion bellow, described ceramic fiber paper, institute are padded between described comb plate, comb joint and described expansion bellow
It is weldering connection between the expansion bellow and described backplate stated.
Embodiment 2：
Boiler penthouse expansion joint sealing device according to embodiment 1, described ceiling membrane wall and surrounding membrane wall
It is connected with described backplate, is using being welded to connect between the ceiling metal inner casing that header, pipe joint cladding are got up.
Embodiment 3：
Boiler penthouse expansion joint sealing device according to embodiment 1 or 2, the pipeline connection that described furnace roof passes are adopted
With the mode for installing described circular expander section additional, i.e., pipeline is passed through into described circular expander section, and by described circular expander
Section one end is welded on backplate, and the other end is welded on the clip of pipeline.
Embodiment 4：
Boiler penthouse expansion joint sealing device according to embodiment 1 or 2, the suspension rod connection that described furnace roof passes
By the way of described circular expander section is installed additional, suspension rod that will be described passes through described circular expander section, and will be described
Circular expander section one end is welded on described backplate, and the other end is welded on the described clip of described suspension rod.
Embodiment 5：
Boiler penthouse expansion joint sealing device according to embodiment 1 or 2, described comb plate, comb joint and described pressing plate it
Between connected using bolt 5 and nut 6, the connection of described screw bolt and nut is connected to described backplate again simultaneously.
Embodiment 6：
Boiler penthouse expansion joint sealing device according to embodiment 1 or 2, there is T-steel sheet frame on described backplate
Frame 11.
Claims (1)
1. a kind of boiler penthouse expansion joint sealing device, its composition includes：Roof tube, backplate, comb plate, comb joint, expansion bellow, circle
Shape expansion joint, pressing plate and ceramic fiber paper, it is characterized in that：Type of attachment is divided into ceiling membrane wall, surrounding membrane wall, furnace roof and passed
Pipeline and suspension rod and described backplate between connect, described ceiling membrane wall and surrounding membrane wall are connected with described backplate
It is to be welded on described comb plate, comb joint on described roof tube and water-cooling wall, institute is added between described backplate and described comb plate, comb joint
The expansion bellow stated, described ceramic fiber paper, described ripple are padded between described comb plate, comb joint and described expansion bellow
It is weldering connection between line expansion joint and described backplate；
Described ceiling membrane wall and surrounding membrane wall is connected with described backplate, is the top that header, pipe joint cladding are got up
Use and be welded to connect between canopy metal inner casing；
The pipeline connection that described furnace roof passes is passed through pipeline described by the way of described circular expander section is installed additional
Circular expander section, and described circular expander section one end is welded on backplate, the other end is welded on the clip of pipeline；
Also by the way of described circular expander section is installed additional, suspension rod that will be described is worn for the suspension rod connection that described furnace roof passes
Described circular expander section is crossed, and described circular expander section one end is welded on described backplate, the other end is welded in described
On the described clip of suspension rod；
Connected between described comb plate, comb joint and described pressing plate using screw bolt and nut, described screw bolt and nut connects simultaneously again
It is connected to described backplate；
There is T-steel plate framework, between heating surface and backplate plus a circle expansion joint makes backplate and ceiling and water on described backplate
The swollen difference of cold wall can effectively absorb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510974884.5A CN105387442B (en) | 2015-12-23 | 2015-12-23 | Boiler penthouse expansion joint sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510974884.5A CN105387442B (en) | 2015-12-23 | 2015-12-23 | Boiler penthouse expansion joint sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105387442A CN105387442A (en) | 2016-03-09 |
| CN105387442B true CN105387442B (en) | 2018-02-13 |
Family
ID=55420016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510974884.5A Active CN105387442B (en) | 2015-12-23 | 2015-12-23 | Boiler penthouse expansion joint sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105387442B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869737A (en) * | 2019-02-28 | 2019-06-11 | 大唐华银电力股份有限公司金竹山火力发电分公司 | A kind of " W " flame boiler system of anti-expansion drawing crack |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016233B (en) * | 2016-06-20 | 2018-01-19 | 中国十五冶金建设集团有限公司 | A kind of long solder joint of span few boiler penthouse and its hanging method |
| CN109869738B (en) * | 2019-02-28 | 2019-12-31 | 大唐华银电力股份有限公司金竹山火力发电分公司 | Expansion-proof tension cracking treatment method for boiler |
| CN110566931B (en) * | 2019-09-24 | 2020-12-01 | 西安热工研究院有限公司 | Ceiling penetrating structure for preventing and treating cracking of boiler pipe ceiling penetrating sealing part and transformation method |
| CN113418058A (en) * | 2021-06-29 | 2021-09-21 | 无锡华光环保能源集团股份有限公司 | Sealing structure of protective plate penetrating pipeline of gas turbine waste heat boiler |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10259902A (en) * | 1997-03-18 | 1998-09-29 | Babcock Hitachi Kk | Sealing structure for penetrated part of boiler ceiling wall |
| CN201903040U (en) * | 2010-12-22 | 2011-07-20 | 夏正 | External welded junction-type pyrite waste heat boiler |
| CN202442327U (en) * | 2011-12-27 | 2012-09-19 | 哈尔滨锅炉厂有限责任公司 | Boiler top sealing device for circulating fluidized bed (CFB) boiler |
| CN205299468U (en) * | 2015-12-23 | 2016-06-08 | 哈尔滨锅炉厂有限责任公司 | Boiler top canopy expansion joint sealing device |
-
2015
- 2015-12-23 CN CN201510974884.5A patent/CN105387442B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869737A (en) * | 2019-02-28 | 2019-06-11 | 大唐华银电力股份有限公司金竹山火力发电分公司 | A kind of " W " flame boiler system of anti-expansion drawing crack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105387442A (en) | 2016-03-09 |
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