CN206875404U - Boiler water wall structure - Google Patents
Boiler water wall structure Download PDFInfo
- Publication number
- CN206875404U CN206875404U CN201720551209.6U CN201720551209U CN206875404U CN 206875404 U CN206875404 U CN 206875404U CN 201720551209 U CN201720551209 U CN 201720551209U CN 206875404 U CN206875404 U CN 206875404U
- Authority
- CN
- China
- Prior art keywords
- header
- wall
- coiled pipe
- water
- partition wall
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000005192 partition Methods 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000005452 bending Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 235000019504 cigarettes Nutrition 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 26
- 230000035882 stress Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
It the utility model is related to Industrial Boiler field, particularly to a kind of boiler water wall structure, including rear water wall, coiled pipe, rear wall header and partition wall header, it is characterized in that, the coiled pipe is multigroup, the both ends of coiled pipe described in every group are respectively communicated with rear wall header and/or partition wall header, and the rear wall header and/or partition wall header are fastened on the band steel of rear water wall by supporting plate.Compared with prior art, the utility model has the advantages that：1）Stress reduces, and avoids stress concentration phenomenon, whole support forces of script coiled pipe are all provided by rear water wall, the utility model can give force dispersion to two headers, and torque size is effectively shortened, it is more much bigger than the power that can bear of rear water wall because header is an entirety.2）It can be arranged in inside burner hearth, due to there is water circulation flowing inside header, there is good heat transfer effect, can be arranged in inside burner hearth of the cigarette temperature more than 900 degrees Celsius.
Description
Technical field
Industrial Boiler field is the utility model is related to, particularly to a kind of boiler for improving coiled pipe support problem
Water wall structure.
Background technology
In Industrial Boiler structure, coiled pipe is typically welded on rear water wall, the snakelike form of tubes of tradition, sees accompanying drawing 1,
The coiled pipe（1）The characteristics of be that caliber is small, operative temperature gradient is big, steam pressure is also big, its material have carbon steel, low-alloy steel,
High-alloy steel, stainless steel etc..By coiled pipe deadweight, the recirculated water weight that is wherein flowed, along with the ash weight that wall is put aside, entirely
Portion is by water-cooling wall（3）Undertake so that have to arrange that substantial amounts of steelframe is applied to balance coiled pipe outside rear water wall
Weight to rear water wall.
These existing supporting constructions are complicated, it is impossible to and it is effective to utilize, cause the wasting of resources.In coiled pipe horizontal segment
In the case of longer, pipe deformation is caused due to no limit point after being heated between the pipe longitudinal direction of piping, influences the heat of boiler
Efficiency.Simultaneously as material limits, buckstay can not be arranged in inside burner hearth of the cigarette temperature more than 900 degrees Celsius, also just can not cloth
Put buckstay support partition wall water-cooling wall so that partition wall water-cooling wall does not have effective supporting construction.
The patent of invention of domestic Patent No. 200910059699.8 discloses a kind of water wall of monotube boiler, including bottom
Helical water-cooled wall and upper vertical water-cooling wall, directly by once middle part mistake between lower part helical water-cooling wall and upper vertical water-cooling wall
Cross mixing header and carry out transition.The hanging structure of middle transition section is simplified, manufacture and installation cost are lower.
This explanation header is strictly to shift a thinking of water-cooling wall load-bearing, but the patent does not disclose the support of coiled pipe
Problem, technical inspiration can not be obtained.
Utility model content
The purpose of this utility model is to provide a kind of boiler water wall structure, overcome the deficiencies in the prior art, reduces snakelike
The thermal stress of pipe, stress concentration phenomenon is avoided, give the force dispersion of coiled pipe to two headers, and shorten torque radius, collected
Case can not only support coiled pipe, and water-cooling wall can also be supported, and solve the problems, such as that the support of partition wall water-cooling wall is difficult.
To achieve these goals, the technical solution of the utility model is such.
Boiler water wall structure, including rear water wall, coiled pipe, rear wall header and partition wall header, the coiled pipe be
Multigroup, the both ends of coiled pipe described in every group are respectively communicated with rear wall header and/or partition wall header, it is described after wall header and/or every
Wall header is fastened on the band steel of rear water wall by supporting plate.
The supporting plate is U-shaped bending bilayer sheet metal structural.
The coiled pipe is used and is welded and fixed with the rear wall header or partition wall header.
The thickness of slab d of the supporting plate is 3 ~ 5mm, and it is 200 ~ 250mm with the band steel connecting length l, its with it is described after
Wall header or partition wall header connecting length h are 130 ~ 160mm.
Distribution spacing of the supporting plate on the band steel is 150 ~ 250mm.
Compared with prior art, the beneficial effects of the utility model are.
1）Stress reduces, and avoids stress concentration phenomenon, whole support forces of script coiled pipe are all carried by rear water wall
For the utility model can give force dispersion to two headers, and effectively shorten torque size, because header is one whole
Body, it is more much bigger than the power that can bear of rear water wall.
2）Solves the problems, such as the support of partition wall water-cooling wall, header can not only support coiled pipe, and water-cooling wall can also be carried out
Support, solve the problems, such as that the support of partition wall water-cooling wall is difficult.
3）Steel are saved, header substitutes buckstay support, it is only necessary to which the steelframe of header is fixed in one group of support, is not required to again
The buckstay of arrangement support water-cooling wall, saves great deal of steel.
4）It can be arranged in inside burner hearth, due to there is water circulation flowing inside header, there is good heat transfer effect, can be with
It is arranged in inside burner hearth of the cigarette temperature more than 900 degrees Celsius.
5）Rear water wall and furnace wall can be played a protective role.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is traditional snakelike form of tubes schematic diagram in the prior art.
Fig. 2 is the utility model water-cooling wall example structure schematic diagram.
Fig. 3 is that the utility model header supports example structure schematic diagram.
Fig. 4 is partial enlarged drawing at I in Fig. 3.
In figure：1- coiled pipes, 2- band steels, 3- water-cooling walls, 4- headers, 5- supporting plates, 6- drums, 31- partition wall water-cooling walls,
32- rear water walls, 41- partition wall headers, wall header after 42-.
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
See Fig. 2, be the utility model boiler water wall constructive embodiment structural representation, including partition wall water-cooling wall 31, after
Wall water-cooling wall 32, coiled pipe 1, drum 6, partition wall header 41 and rear wall header 42, coiled pipe 1 to be multigroup, including coiled pipe 11,
12nd, 13,14,15,16, the both ends of wherein coiled pipe 11 are respectively communicated with rear wall header 42 and partition wall header 41, and the two of coiled pipe 12
End is respectively communicated with partition wall header 41 and adjacent partition wall header 41, and the both ends of coiled pipe 13 are respectively communicated with rear wall header 42 and adjacent
Partition wall header 41, the both ends of coiled pipe 14,15,16 are then respectively communicated with rear wall header 42 and adjacent rear wall header 42.
The utility model is mainly to be fastened at the coiled pipe both ends for being all connected to rear water wall originally respectively
Afterwards in wall header and partition wall header, so that the power all acted on originally on rear water wall, be dispersed in rear wall header
And in partition wall header, the effect of header is to collect water temporarily, header outer end is stretched out, and has support frame, so header is used for supporting
Coiled pipe, supporting construction is set up without extra, coiled pipe does not have to weld with water-cooling wall, but and header welding, coiled pipe and collection
Connected inside case.
See Fig. 3, Fig. 4, in order to improve the supporting role of header, two kinds of headers 4 are fastened on rear wall by supporting plate 5
On the band steel 2 of water-cooling wall.In order to improve support strength, supporting plate 5 is U-shaped bending bilayer sheet metal structural.The thickness of slab d of supporting plate is
3 ~ 5mm, it is 200 ~ 250mm with band steel connecting length l, its with rear wall header or partition wall header connecting length h be 130 ~
160mm.In order to ensure enough bonding strengths and rigidity, header 4 and a certain junction of band steel 2, supporting plate action length H is not
Less than 500mm.
In order to shorten effective torque, supporting plate 5 is burn-on one group of supporting plate in header at interval of 150 ~ 250m, and supporting plate is another
Side and the band steel of partition wall water-cooling wall 31 are firmly welded so that header is fixed with partition wall water-cooling wall 31, bears stress support so that
Required support force greatly reduces.
This structure can avoid stress concentration phenomenon, and whole support forces of script coiled pipe are all provided by rear water wall,
Now by two piece headers of the force dispersion to coiled pipe both ends, because header is an entirety, than can bear for rear water wall
Power it is much bigger.And coiled pipe uses small-sized packet configuration, rather than one large-scale overall coiled pipe group is used, it is such excellent
Gesture is that the coiled pipe weight of each group is not too big, therefore distribution of weight is easily uniform, even if not so header is with respect to water
Load-bearing property is better for cold wall, but influence of the too heavy weight for header is also immeasurable.
This structure not only solves the problems, such as the support of partition wall water-cooling wall, can also extend and application is supported to water-cooling wall, institute
Also to solve the problems, such as that the support of partition wall water-cooling wall is difficult.It was found from documents, the weight of coiled pipe is decomposed using header
It is a thinking, but because the Industrial Boiler structure of all size respectively has feature, therefore how coiled pipe is matched in header
Weight, the balance under more preferable Warm status could be obtained and also have many work to do.
Buckstay support is substituted with header, it is only necessary to the steelframe of one group of support and fixed header, be not required to arrange branch again
Support the buckstay of water-cooling wall, moreover it is possible to save rolled steel dosage.Due to there is water circulation flowing inside header, there is heat exchange effect well
Fruit, so this structure can be arranged in inside burner hearth of the cigarette temperature more than 900 degrees Celsius.This cooling-down effect is to rear water wall and stove
Wall can also play a protective role.
Above example is only the tool to describe the purpose of this utility model in detail, technical scheme and beneficial effect are chosen
Body example, but should in no way limit the scope of protection of the utility model, it is all without prejudice to before the spirit and principles of the utility model
Put, various modifications, equivalent substitution and the improvement made, all should fall within the scope of protection of the utility model.
Claims (5)
1. boiler water wall structure, including rear water wall, coiled pipe, rear wall header and partition wall header, it is characterised in that described
Coiled pipe is multigroup, and the both ends of coiled pipe described in every group are respectively communicated with rear wall header and/or partition wall header, the rear wall header
And/or partition wall header is fastened on the band steel of rear water wall by supporting plate.
2. boiler water wall structure according to claim 1, it is characterised in that the supporting plate is U-shaped bending bilayer metal plate
Golden structure.
3. boiler water wall structure according to claim 1, it is characterised in that the coiled pipe with it is described after wall header or
Partition wall header is used and is welded and fixed.
4. boiler water wall structure according to claim 1, it is characterised in that the thickness of slab d of the supporting plate is 3 ~ 5mm,
It is 200 ~ 250mm with the band steel connecting length l, its with it is described after wall header or partition wall header connecting length h be 130 ~
160mm。
5. boiler water wall structure according to claim 1, it is characterised in that point of the supporting plate on the band steel
Cloth spacing is 150 ~ 250mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720551209.6U CN206875404U (en) | 2017-05-18 | 2017-05-18 | Boiler water wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720551209.6U CN206875404U (en) | 2017-05-18 | 2017-05-18 | Boiler water wall structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206875404U true CN206875404U (en) | 2018-01-12 |
Family
ID=61340163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720551209.6U Expired - Fee Related CN206875404U (en) | 2017-05-18 | 2017-05-18 | Boiler water wall structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206875404U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473317A (en) * | 2020-04-17 | 2020-07-31 | 哈尔滨锅炉厂有限责任公司 | Novel evaporator steel plate clamping and fixing method |
| CN116182144A (en) * | 2022-12-26 | 2023-05-30 | 哈尔滨红光锅炉总厂有限责任公司 | Ash falling structure of partition wall water-cooled wall |
-
2017
- 2017-05-18 CN CN201720551209.6U patent/CN206875404U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473317A (en) * | 2020-04-17 | 2020-07-31 | 哈尔滨锅炉厂有限责任公司 | Novel evaporator steel plate clamping and fixing method |
| CN116182144A (en) * | 2022-12-26 | 2023-05-30 | 哈尔滨红光锅炉总厂有限责任公司 | Ash falling structure of partition wall water-cooled wall |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201599786U (en) | Modular structure of heating surface of exhaust-heat boiler in convection segment of heating furnace | |
| CN206875404U (en) | Boiler water wall structure | |
| CN105222121B (en) | Boiler coal economizer | |
| CN201593781U (en) | Water-cooling support device of residual heat boiler | |
| CN206803134U (en) | CFBB superheater support structure | |
| CN201611090U (en) | Waste-heat boiler superheater | |
| CN205102102U (en) | Coal saving device of boiler | |
| CN202403247U (en) | Corner-tube waste heat boiler | |
| CN202074559U (en) | Membrane wall structure for water tube boiler | |
| CN206112911U (en) | Supercritical cycle fluidized bed boiler furnace square waveform mid -board | |
| CN204625576U (en) | A kind of Novel water cooling wall for coal gasifier | |
| CN105605546B (en) | A kind of combined-type evaporator | |
| CN206817431U (en) | A kind of double tubesheet combined type quenching boiler for coal chemical industry | |
| CN109099411B (en) | Boiler heating surface tube panel suspension tube structure | |
| CN103574569B (en) | cement kiln head waste heat boiler | |
| CN205535723U (en) | Combined evaporator | |
| CN207081344U (en) | Water beam prefabricated wrapping structure in a kind of Novel furnace | |
| CN215863332U (en) | Fixing structure of upper-level economizer | |
| CN212158221U (en) | Gas-gas heat exchanger in furnace under high-temperature large span | |
| CN107013894A (en) | A kind of double tubesheet combined type quenching boiler for coal chemical industry | |
| CN103352115A (en) | Steel rolling heating furnace | |
| CN210512817U (en) | Shell pipe heat exchange tube bundle connecting structure | |
| CN216346226U (en) | Superheater for biomass power generation | |
| CN214172199U (en) | Header structure for preventing header tube seat from generating cracks | |
| CN214581022U (en) | Isothermal step screen superheater |
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: 20180112 |