CN105927971B - Circulated at low velocity fluidized-bed combustion boiler membrane wall chamber structure - Google Patents
Circulated at low velocity fluidized-bed combustion boiler membrane wall chamber structure Download PDFInfo
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- CN105927971B CN105927971B CN201610416383.XA CN201610416383A CN105927971B CN 105927971 B CN105927971 B CN 105927971B CN 201610416383 A CN201610416383 A CN 201610416383A CN 105927971 B CN105927971 B CN 105927971B
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- membrane wall
- gas outlet
- wall
- center
- water cooling
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- 239000012528 membrane Substances 0.000 title claims abstract description 107
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 71
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000000926 separation method Methods 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 230000009970 fire resistant effect Effects 0.000 claims description 13
- 238000004939 coking Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 62
- 238000003466 welding Methods 0.000 description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000011449 brick Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 210000000038 chest Anatomy 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 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
- 230000008520 organization Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M5/00—Casings; Linings; Walls
- F23M5/08—Cooling thereof; Tube walls
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
Circulated at low velocity fluidized-bed combustion boiler membrane wall chamber structure, including Horizontal water cooling separator, center gas outlet, prepattern wall, rear membrane wall, left membrane wall, right membrane wall and middle membrane wall, at the top of middle membrane wall by the hanging of burner hearth erecting by overhang in the boiler, the center line of center gas outlet is horizontally disposed with, the front end of center gas outlet is extend into Horizontal water cooling separator, circulating water pipe is equipped with prepattern wall, rear membrane wall and middle membrane wall, center gas outlet is located on rear membrane wall, membrane wall after center outlet tube rear end stretches out.The outer drawing Horizontal water cooling center outlet barrel structure of the present invention, not only solves the drawbacks of expansion of original heat insulating construction, high temperature, abrasion, tear well, and the security of water circulation is taken into full account, for the applicability of Horizontal water cooling separator, center gas outlet is set to be less prone to high-temperature coking, damage deformation, the cycle of operation of boiler is greatly prolonged, and saves material, reduces whole boiler cost.
Description
Technical field
The invention belongs to boiler technology field, more particularly to the invention belongs to boiler technology field, more particularly to one for one kind
Membrane wall chamber structure of the kind circulated at low velocity fluidized-bed combustion boiler with horizontal film-type water-cooling center gas outlet and cooled type separator.
Background technology
In circulated at low velocity fluidized-bed combustion boiler, the high-temperature separator cylinder for having a kind of CFBB is by Boiler Furnace
Three membrane wall tops of thorax are by what is be bent to form, and such a separator is horizontal arrangement, and Membrane Separator Cylinder for CFB Boiler skeleton is burner hearth film
Formula water-cooling wall, covered with one layer very thin fire-resistant abrasion-proof castable, the material separated is from separation in fin panel casing interior outside
The lower side outflow separator of device cylinder, the rear and front end of separator are sealed with the front-back wall of boiler furnace, wherein
Afterwards wall paper put separator core component-adiabatic center gas outlet be used as flue gas outflow passage, adiabatic center gas outlet be by
Brick masonry or using heat-resisting reinforcing bar as skeleton external application pouring material form, in order to it is wear-resisting and guarantee center gas outlet rigidity, in
The cylinder use of heart gas outlet is very thick（About 400mm）Fire-resistant abrasion-proof castable one-piece casting form, the branch of whole center gas outlet
Support is by the part support after being nested within the walls, and rear wall is brick adiabatic wall, and a hanging part is stretched into separator and risen in addition
To the effect for improving separative efficiency.The cylinder skeleton of Horizontal water cooling separator is fin panel casing, passes through water cooling knot inside it
The effect of structure makes the wall temperature of pouring material relatively low, although therefore the separator interior castable very thin life-span it is very long, and separator
High-temperature coking will not occur for inside.But for adiabatic center gas outlet, poured by pouring material or brick by being divided into several arcs
The annulus built up, the baking of the high-temperature flue gas due to bear 1000 DEG C, and the erosive wear containing particulate smoke at a high speed, are added
The barrel of center gas outlet is thicker, by cause center gas outlet expansion and wall after burner hearth expansion it is inconsistent, or its thickness
Expansion caused by internal-external temperature difference caused by reason is different is inconsistent, and finally center gas outlet is cracked in a short period of time,
And be quickly damaged and come off or wear damage under the washing away of high-temperature particle, service life is short less than 1 year, and long also only has 2 ~ 3
Year, boiler oil, which consumes, after adiabatic center gas outlet damage increases sharply, and the thermal efficiency and boiler output reduce a lot, cause boiler
Have to shutdown maintenance.Because the top in boiler furnace, maintenance involve rear wall at adiabatic center gas outlet remove and
Recover, it is highly difficult to change and repair adiabatic center gas outlet, is completed even if changing, due to fault of construction, working environment is severe, no
It can solve expansion and reduce the wall surface temperature of itself, the situation of frequent breakage is occurring always.
The content of the invention
The present invention is in order to solve weak point of the prior art, there is provided a kind of simple in construction, center gas outlet not rapid wear
Bad, service life length circulated at low velocity fluidized-bed combustion boiler membrane wall chamber structure, the chamber structure can thoroughly solve center outlet
Tube wall surface overtemperature and center gas outlet in itself and center gas outlet with wall expansion is inconsistent after support causes center gas outlet to damage
The problem of.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：Circulated at low velocity fluidized-bed combustion boiler membrane type fireplace
Thorax structure, including Horizontal water cooling separator, center gas outlet, prepattern wall, rear membrane wall, left membrane wall, right membrane wall and in
Membrane wall, by the hanging of burner hearth erecting by overhang in the boiler, the center line level of center gas outlet is set at middle membrane wall top
Put, the front end of center gas outlet is extend into Horizontal water cooling separator, is equipped with prepattern wall, rear membrane wall and middle membrane wall
Circulating water pipe, center gas outlet are located on rear membrane wall, membrane wall after center outlet tube rear end stretches out；
Center gas outlet includes the annular header that cirque structure is made up of pipeline, and the rear side of annular header is along the circumferential direction
A circle cooling tube is uniformly provided with, all cooling tubes are horizontally disposed, and band steel, annular header are equipped between adjacent cooling tube
Grapple is equipped with the surface of band steel, fire-resistant abrasion-proof pouring material has been poured in the surfaces externally and internally of annular header, band steel and cooling tube
Layer, the front end of cooling tube connect with annular header, and the rear end of cooling tube connects with the circulating water pipe in rear membrane wall.
The Horizontal water cooling separator includes water cooling separation membrane wall, the front side of water cooling separation membrane wall and back side edge fate
It is not connected with prepattern wall and rear membrane wall, feed back passage, water cooling separation is formed between water cooling separation membrane wall and left membrane wall
Air-flow is formed between membrane wall and right membrane wall and rises accelerated passage, feed back passage and air-flow rise accelerated passage by horizontal
Cooled type separator is connected, and center gas outlet is located at the top of feed back passage, and the wall thickness of center gas outlet is equal to or slightly greater than water
The wall thickness of cold separation membrane wall.
The top of the water cooling separation membrane wall and the top of left membrane wall are encircled into the cylindrical shape knot up and down with opening
Structure, the columnar structured center line overlap with the center line of center gas outlet.
The cooling tube is drawn into by the circulating water pipe level in rear membrane wall is outer.
Using above-mentioned technical proposal, the applicant analyzes the basic reason one that existing center gas outlet damages by research
It is that flue-gas temperature herein is very high, the cylinder wall surface temperature of center gas outlet is basic identical with flue-gas temperature, during high temperature reduces
The service life of heart outlet cylinder material, second, center gas outlet sheet is as thermal insulation, and it is fully wrapped around by high-temperature flue gas, because center
The cylinder of gas outlet and the rear membrane wall of support are not an entirety, cause the expansion expanded with rear membrane wall of cylinder itself not
Unanimously, cause the crackle of cylinder and the tear of cylinder and Hou Qiang junctions, or even come off, although center gas outlet is Horizontal water cooling
The core component of separator and CFBB, but such a situation never has good solution, not only repairs
It is difficult, it is important that the well damage of center gas outlet influences production and the benefit of whole enterprise.
In order to thoroughly solve the wall overtemperature of center gas outlet and cylinder, wall expands the present invention in itself and after cylinder and support
Inconsistent the problem of causing center gas outlet damage, while the efficiency for taking into account Horizontal water cooling separator does not change, and creatively exists
An annular central tube is uniformly pulled out using membrane wall water pipe on the rear membrane wall at burner hearth rear portion, makes center gas outlet with after
Membrane wall turns into an entirety；The cooling tube of the center gas outlet by being pulled out outside the circulating water pipe in rear membrane wall, cooling tube
Stretch among Horizontal water cooling separator and be inserted directly into an annular header, and firm welding, the Welding flat steel shape between cooling tube
Into membrane wall, the two-sided welding grapple on the band steel of membrane wall, and grapple is also welded on annular header, weld outside after grapple
Portion all pours fire-resistant abrasion-proof and pours the bed of material, and annular header and cooling tube are finally placed in centre, and fire-resistant abrasion-proof as skeleton
Pour the bed of material and collectively constitute the thick hollow outer drawing horizontal film-type water-cooling center gas outlets of a thickness about 200mm.It is simultaneously because resistance to
The mill refractory casting bed of material is wrapped in annular header and cooling tube surrounding, makes annular header and cooling tube heated weaker, ensure that ring
Shape header and cooling tube actually recept the caloric very little, can be realized with self compensation using the water circulation of annular header and cooling tube
Property Natural Circulation ensure the reliability of water circulation, and with from cooling, so that water-cooling center tube pouring material is due to water
Cooling causes temperature is relatively low to improve wearability, simultaneously because annular header and cooling tube and rear membrane wall are one, therefore has
Have and rear membrane wall together dilatancy.The present invention has advantages below：
Firstth, water cooling center gas outlet and rear membrane wall form an entirety, thoroughly solve splitting when expanding inconsistent
Line and tear problem, it is contemplated that the position at the gas outlet of center is near sling point, and for the rear membrane wall of suspention, its is downward
Swell increment is fairly small for whole Horizontal water cooling separator, therefore when expansion displacement occurs in center gas outlet, is not dropped
The efficiency of low whole Horizontal water cooling separator；
Secondth, the fire-resistant abrasion-proof poured pour the bed of material protect water cooling center gas outlet cooling tube and annular header from height
The erosive wear of fast particle, simultaneously because fire-resistant abrasion-proof pours the thickness of the bed of material relative to original structure half of having wanted thin, and
And temperature is very low, the expansion of itself is hardly with consideration；
3rd, because the cooling tube inside the gas outlet of center and annular header carry out water cooling, fire-resistant abrasion-proof using recirculated water
It is all very low to pour the temperature of bed of material wall temperature and whole center gas outlet, the service life of material can be extended；
4th, because directly by rear membrane wall, the sub- organization center gas outlet of trombone slide, end devise annular header forward, in
The water circulation of heart gas outlet is simplified, because end annular header connects cooling tube, take full advantage of water circulation from
Adjustment effect, plus covering castable outside the gas outlet of center, the heated of cooling tube is reduced, makes whole water cooling center gas outlet
Safe water circulation it is reliable.
In summary, outer drawing Horizontal water cooling center outlet barrel structure of the invention, not only solves original thermal insulation well
The drawbacks of expansion of structure, high temperature, abrasion, tear, and the security of water circulation has been taken into full account, separated for Horizontal water cooling
The applicability of device separative efficiency, the simple possible of structure, center gas outlet is set to be less prone to high-temperature coking, damage deformation, greatly
The cycle of operation of big prolonged boiler, and material is saved, reduce whole boiler cost.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is A-A sectional views in Fig. 1；
Fig. 3 is the enlarged drawing of center gas outlet in Fig. 1；
Fig. 4 is B-B sectional views in Fig. 3.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, circulated at low velocity fluidized-bed combustion boiler membrane wall chamber structure of the invention, including
Horizontal water cooling separator, center gas outlet 2, prepattern wall 3, rear membrane wall 4, left membrane wall 5, right membrane wall 6 and middle membrane wall
7, the middle top of membrane wall 7 is hung in the boiler by burner hearth erecting by overhang 8, and the center line of center gas outlet 2 is horizontally disposed with,
The front end of center gas outlet 2 is extend into Horizontal water cooling separator, is all provided with prepattern wall 3, rear membrane wall 4 and middle membrane wall 7
There is circulating water pipe 14, center gas outlet 2 is located on rear membrane wall 4, membrane wall 4 after the rear end of center gas outlet 2 is stretched out.
Center gas outlet 2 includes the annular header 9 that cirque structure is made up of pipeline, and the rear side of annular header 9 is circumferentially
Direction is uniformly provided with a circle cooling tube 10, and all cooling tubes 10 are horizontally disposed, are equipped between adjacent cooling tube 10 flat
The surface of steel 11, annular header 9 and band steel 11 is equipped with grapple 12, in the outer surface of annular header 9, band steel 11 and cooling tube 10
Fire-resistant abrasion-proof is poured and has poured the bed of material 13, the front end of cooling tube 10 connects with annular header 9, the rear end of cooling tube 10 and rear membrane type
Circulating water pipe 14 in wall 4 connects.
Horizontal water cooling separator includes water cooling separation membrane wall 15, the front side of water cooling separation membrane wall 15 and back side edge fate
It is not connected with prepattern wall 3 and rear membrane wall 4, feed back passage 16, water is formed between water cooling separation membrane wall 15 and left membrane wall 5
Air-flow is formed between cold separation membrane wall 15 and right membrane wall 6 and rises accelerated passage 17, feed back passage 16 and air-flow, which rise, to be accelerated
The top connection of passage 17, center gas outlet 2 are located at the top of feed back passage 16, and the wall thickness of center gas outlet 2 is equal to or slightly larger
In the wall thickness of water cooling separation membrane wall 15.
The top of water cooling separation membrane wall 15 and the top of left membrane wall 5 are encircled into the cylindrical shape knot up and down with opening
Structure, the columnar structured center line overlap with the center line of center gas outlet 2.
In order to thoroughly solve the wall overtemperature of center gas outlet 2 and cylinder, wall expands the present invention in itself and after cylinder and support
Inconsistent the problem of causing center gas outlet 2 to damage, while the efficiency for taking into account Horizontal water cooling separator does not change, and creatively exists
On the rear membrane wall 4 at burner hearth rear portion, center gas outlet 2 and rear membrane wall 4 is set to turn into an entirety；Separated Horizontal water cooling is stretched into
The cooling tube 10 of device is inserted directly into an annular header 9, and firm welding, and Welding flat steel 11 forms membrane type between cooling tube 10
Wall, the two-sided welding grapple 12 on the band steel 11 of membrane wall, the thick fire-resistant abrasion-proofs of about 100mm are all poured per face after welding grapple 12
The bed of material 13 is poured, so constitutes and draws horizontal film-type water-cooling center gas outlet 2 outside one.
The cooling tube 10 of the center gas outlet 2 by being pulled out outside the circulating water pipe 14 in rear membrane wall 4, cooling tube 10 stretches into
An annular header 9, and firm welding are inserted directly among Horizontal water cooling separator, Welding flat steel is formed between cooling tube 10
Membrane wall, the two-sided welding grapple 12 on the band steel 11 of membrane wall, and grapple 12 is also welded on annular header 9, welding is grabbed
Outside after hook 12 all pouring fire-resistant abrasion-proof pours the bed of material 13, during finally annular header 9 and cooling tube 10 are placed in as skeleton
Between, and fire-resistant abrasion-proof pours the bed of material 13 and collectively constitutes thick hollow of thickness about 200mm and outer draw horizontal film-type water-cooling center to go out
Inflator.Simultaneously because abrasion-proof and refractory pouring material layer 13 is wrapped in annular header 9 and the surrounding of cooling tube 10, make annular header 9 and cold
But pipe 10 is heated weaker, ensure that annular header 9 and cooling tube 13 actually recepts the caloric very little, utilize annular header 9 and cooling
The water circulation of pipe 13 can realize the Natural Circulation with self-compensating property to ensure the reliability of water circulation, and with cooling certainly
Property, so that water-cooling center tube pouring material is because water cooling causes that temperature is relatively low to improve wearability, simultaneously because annular header 9
It is one with cooling tube 13 and rear membrane wall 4, therefore has and rear membrane wall 4 together dilatancy.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (4)
1. circulated at low velocity fluidized-bed combustion boiler membrane wall chamber structure, including Horizontal water cooling separator, center gas outlet, prepattern
Wall, rear membrane wall, left membrane wall, right membrane wall and middle membrane wall, middle membrane wall top are hung in institute by burner hearth erecting by overhang
State in boiler, the center line of center gas outlet is horizontally disposed with, and the front end of center gas outlet is extend into Horizontal water cooling separator, preceding
Circulating water pipe is equipped with membrane wall, rear membrane wall and middle membrane wall, it is characterised in that：Center gas outlet is located at rear membrane wall
On, membrane wall after center outlet tube rear end stretches out；
Center gas outlet includes the annular header that cirque structure is made up of pipeline, and the rear side of annular header is along the circumferential direction uniform
Provided with a circle cooling tube, all cooling tubes are horizontally disposed, are equipped with band steel between adjacent cooling tube, annular header and flat
The surface of steel is equipped with grapple, and having poured fire-resistant abrasion-proof in the surfaces externally and internally of annular header, band steel and cooling tube pours the bed of material, cold
But the front end of pipe connects with annular header, and the rear end of cooling tube connects with the circulating water pipe in rear membrane wall.
2. circulated at low velocity fluidized-bed combustion boiler membrane wall chamber structure according to claim 1, it is characterised in that：It is described horizontal
Cooled type separator include water cooling separation membrane wall, water cooling separation membrane wall front side and posterior edges respectively with prepattern wall and after
Membrane wall is connected, and feed back passage, water cooling separation membrane wall and right membrane wall are formed between water cooling separation membrane wall and left membrane wall
Between form air-flow and rise accelerated passage, feed back passage and air-flow rise being connected by Horizontal water cooling separator for accelerated passage
Logical, center gas outlet is located at the top of feed back passage, and the wall thickness of center gas outlet is equal to or slightly greater than water cooling separation membrane wall
Wall thickness.
3. circulated at low velocity fluidized-bed combustion boiler membrane wall chamber structure according to claim 2, it is characterised in that：The water cooling
The top of separation membrane wall and the top of left membrane wall are encircled into has the columnar structured of opening up and down, and this is columnar structured
Center line overlaps with the center line of center gas outlet.
4. the circulated at low velocity fluidized-bed combustion boiler membrane wall chamber structure according to claim 1 or 2 or 3, it is characterised in that：Institute
Cooling tube is stated to be drawn into by the circulating water pipe level in rear membrane wall is outer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610416383.XA CN105927971B (en) | 2016-06-15 | 2016-06-15 | Circulated at low velocity fluidized-bed combustion boiler membrane wall chamber structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610416383.XA CN105927971B (en) | 2016-06-15 | 2016-06-15 | Circulated at low velocity fluidized-bed combustion boiler membrane wall chamber structure |
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| Publication Number | Publication Date |
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| CN105927971A CN105927971A (en) | 2016-09-07 |
| CN105927971B true CN105927971B (en) | 2017-11-17 |
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| CN201610416383.XA Expired - Fee Related CN105927971B (en) | 2016-06-15 | 2016-06-15 | Circulated at low velocity fluidized-bed combustion boiler membrane wall chamber structure |
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| CN107575857B (en) * | 2017-09-15 | 2024-06-14 | 内蒙古京泰发电有限责任公司 | Air cooling film type central cylinder of circulating fluidized bed boiler |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CZ20033334A3 (en) * | 2003-12-08 | 2005-07-13 | Jiří Ing. Csc. Mikoda | Fluidized bed boiler |
| CN101514811B (en) * | 2009-03-17 | 2011-12-07 | 西安交通大学 | Inclined porch-free corner-tube full film-type wall-circulating fluidized bed boiler |
| CN203162937U (en) * | 2013-03-29 | 2013-08-28 | 武汉凯迪工程技术研究总院有限公司 | Water cooling air chamber of biomass circulating fluidized bed boiler |
| CN204593376U (en) * | 2015-05-12 | 2015-08-26 | 四川太湖锅炉有限公司 | A kind of modified package assembly of water cooled membrane wall recirculating fluidized bed |
| CN205782878U (en) * | 2016-06-15 | 2016-12-07 | 河南省锅炉压力容器安全检测研究院 | Circulated at low velocity fluidized-bed combustion boiler membrane wall chamber structure |
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Inventor after: Li Wenguang Inventor after: Qi Xiaobing Inventor after: Zhu Lihua Inventor after: Hu Bin Inventor after: Zhang Pei Inventor after: Chen Guoxi Inventor after: Fan Gaofeng Inventor after: Xie Shuguang Inventor after: Zhang Ping Inventor after: Xu Dong Inventor after: Hu Yuefeng Inventor after: Wang Feng Inventor after: Ma Jun Inventor before: Li Wenguang Inventor before: Chen Guoxi |
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Granted publication date: 20171117 |