CN116182153A - Downward side cutting type hearth outlet smoke window structure of energy-saving circulating fluidized bed boiler - Google Patents
Downward side cutting type hearth outlet smoke window structure of energy-saving circulating fluidized bed boiler Download PDFInfo
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- CN116182153A CN116182153A CN202211715272.0A CN202211715272A CN116182153A CN 116182153 A CN116182153 A CN 116182153A CN 202211715272 A CN202211715272 A CN 202211715272A CN 116182153 A CN116182153 A CN 116182153A
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- fluidized bed
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- 239000000779 smoke Substances 0.000 title claims abstract description 35
- 239000012528 membrane Substances 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 73
- 239000010959 steel Substances 0.000 claims description 73
- 238000005452 bending Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 14
- 239000003546 flue gas Substances 0.000 description 14
- 239000000203 mixture Substances 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 7
- 239000003245 coal Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011552 falling film Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
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
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2206/00—Fluidised bed combustion
- F23C2206/10—Circulating fluidised bed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- 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
An energy-saving circulating fluidized bed boiler is a downward side cutting type hearth outlet smoke window structure, which relates to a boiler hearth outlet smoke window structure. The invention aims to solve the problems that the middle position of a smoke outlet window of the existing declining hearth is large in transverse abrasion, the separation effect of a separator is affected, and the original emission of NOx is increased. The invention comprises a header, two groups of declining membrane walls, two groups of declining type furnace walls and a rigid beam assembly, wherein the header is arranged at the upper part of a rear wall in a hearth, the declining type furnace walls are respectively arranged at two sides of the rear wall of the hearth, the declining membrane walls are arranged on the inner side walls of the declining type furnace walls, the outer sides of the declining membrane walls are close to the edges of two sides of the rear wall of the hearth, the upper ends of the declining membrane walls are communicated with the header, the rigid beam assembly is arranged at the outer sides of the furnace walls, and the rigid beam assembly is arranged in an area corresponding to the declining type furnace walls. The invention is used for the circulating fluidized bed boiler.
Description
Technical Field
The invention relates to a smoke window structure of a boiler furnace outlet, in particular to a smoke window structure of a downward side cutting type furnace outlet of an energy-saving circulating fluidized bed boiler.
Background
The circulating fluidized bed combustion is a clean coal burning technology with fuel adaptability, wide load regulation ratio and high combustion efficiency. The circulating fluidized bed boiler can control the generation of sulfur dioxide and nitrogen oxides with low cost in the combustion process, and has important value for the national conditions of primary energy of China, mainly coal. The continuous increase of the total coal consumption causes huge pressure on the environment, and the development of the circulating fluidized bed boiler technology has become a necessary trend for solving the contradiction between energy and environmental protection. The working principle is that fuel and air are mixed and combusted in a fluidized state in a hearth and are subjected to heat exchange with a heating surface. The flue gas in the hearth carries a large amount of unburned carbon particles to further burn and release heat at the upper part of the hearth. After the flue gas after combustion in the hearth enters the cyclone separator through the hearth outlet, and the flue gas carrying a large amount of materials enters the adiabatic cyclone separator through the hearth outlet, most of the materials are separated, and the flue gas returns to the hearth through the material returning device to realize circulating re-combustion, and the separated flue gas flows to the tail convection heating surface through the central cylinder.
The outlet smoke window of the circulating fluidized bed boiler usually adopts a declining type pipe-letting structure, and by adopting the structure, the downward guiding of the smoke can be provided for the smoke, and the inertia of the smoke entering the separator is increased. On the basis of declining, the flue gas flow field is further optimized, the NOx emission is reduced, the flue gas flow resistance is reduced, and the flue gas passes through the hearth outlet more smoothly, so that the separation efficiency is further improved. However, the outlet smoke window of the circulating fluidized bed boiler is usually arranged in a mode that 4 to 5 straight pipes are reserved on two sides, two separators are arranged far away, the middle position of the two separators is worn away transversely, the separation effect of the separators is affected, and then the original emission of NOx is increased.
Disclosure of Invention
The invention aims to solve the problems that the middle position of a smoke outlet window of the existing declining type hearth is greatly worn, the separation effect of a separator is affected, and the original emission of NOx is increased, and further provides a downward side cutting type hearth outlet smoke window structure of an energy-saving circulating fluidized bed boiler.
The technical scheme adopted for solving the technical problems is as follows:
the downward side cutting type hearth outlet smoke window structure of the energy-saving circulating fluidized bed boiler comprises a header, two groups of downward inclined membrane walls, two groups of downward inclined furnace walls and a rigid beam assembly, wherein the header is arranged on the upper portion of a rear wall in a hearth, the downward inclined furnace walls are respectively arranged on two sides of the rear wall of the hearth, downward inclined membrane walls are arranged on the inner side walls of the downward inclined furnace walls, the outer sides of the downward inclined membrane walls are close to the edges of two sides of the rear wall of the hearth, the upper ends of the downward inclined membrane walls are communicated with the header, the rigid beam assembly is arranged on the outer sides of the furnace walls, and the rigid beam assembly is arranged in an area corresponding to the downward inclined furnace walls.
Further, each group of the declining membrane walls comprises a plurality of let-off tubes arranged in parallel along the length direction of the header.
Further, let the pipe include upper portion vertical section, middle part section of bending and lower part vertical section, upper portion vertical section, middle part section of bending and lower part vertical section are connected gradually from top to bottom head and the tail, and the upper end and the collection case of upper portion vertical section are connected, and the middle part section of bending cooperatees with the inside wall shape of the downdip furnace wall at place.
Further, the rigid beam assembly comprises three steel beam groups and two vertical steel beams, the three steel beam groups are sequentially and horizontally fixedly connected to the outer side of the hearth from top to bottom, each steel beam group is arranged along the circumferential direction of the hearth, and the two vertical steel beams are arranged between the upper steel beam group and the lower steel beam group.
Further, the upper steel beam group is arranged on the corresponding hearth at the upper part of the declined furnace wall, the lower steel beam group is arranged on the corresponding hearth at the lower part of the declined furnace wall, and the middle steel beam group is arranged on the corresponding hearth at the middle part of the declined furnace wall.
Further, every girder steel group all includes preceding wall girder steel, back wall girder steel and two side wall girder steel, and preceding wall girder steel rigid coupling is in the outside of furnace front wall, and back wall girder steel rigid coupling is in the outside of furnace back wall, and sets up between two sets of declining furnace walls, and the side wall girder steel rigid coupling is in the outside of furnace side wall, and vertical girder steel rigid coupling is between two upper and lower side wall girder steel.
Further, the vertical steel beam is arranged close to the rear wall side of the hearth.
Further, connectors are arranged at the ends of the front wall steel beam, the rear wall steel beam and the side wall steel beam.
Further, the inner side walls of the declined furnace wall are all linear inner walls.
Further, expansion joints are arranged on the side wall of the declining furnace wall along the circumferential direction.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a downward side cutting type hearth outlet smoke window structure of an energy-saving circulating fluidized bed boiler, which has small inlet constraint, larger particle flow rate and higher separation efficiency under the condition of unchanged smoke amount. The new structure can increase the concentration of the inlet separator, namely the circulating flow in the furnace, if the relevant parameters of the separator are designed according to the efficient separator under the condition that the key parameters such as the inlet speed, the inlet length and the like of the separator are fixed. Through verification, under the condition that 4 to 5 straight pipes are reserved on two sides of the original general arrangement form of the outlet smoke window, the separation efficiency is improved to more than 99.8% from the original 99.5%, and accordingly NOx emission is brought, and the existing index is reduced by more than 10%. The novel structure can optimize the flue gas flow field, improve the separation efficiency, capture carbon particles with smaller diameters back into the hearth for combustion, increase the fine ash share in circulating materials, thereby realizing the reduction of the bed stock and improving the bed quality. After the quality of the bed is improved, the combustion efficiency of the boiler is improved, and the coal supply consumption and the fan power consumption of the boiler unit are reduced. After the quality of the bed is improved, the lower part of the hearth is easier to form a reducing atmosphere, so that the original emission of NOx is greatly reduced. After the quality of the bed is improved, the temperature field of the hearth is more reasonable and uniform, and the limestone and SO in the furnace are more uniform 2 The reaction time is longer, the high-efficiency desulfurization under the condition of low Ca/S is achieved, and the utilization rate of limestone is improved, so that the characteristics of low discharge and low energy consumption of the circulating fluidized bed boiler are realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an A-A view of FIGS. 1-6;
fig. 3 is a top view of the downtilt membrane wall 2 and rigid beam assembly of the present invention;
fig. 4 is a front view of the downhill diaphragm wall 2 of the present invention;
FIG. 5 is a front view of one of the let-down tubes 5 of the present invention;
fig. 6 is a B-B view in fig. 5.
Detailed Description
The first embodiment is as follows: referring to fig. 1 to 6, the embodiment is described, and the downward side cutting type furnace exit smoke window structure of the energy-saving circulating fluidized bed boiler of the embodiment comprises a header 1, two groups of declining type membrane walls 2, two groups of declining type furnace walls 4 and a rigid beam assembly, wherein the header 1 is arranged at the upper part of the rear wall in the furnace 3, the declining type furnace walls 4 are respectively arranged at two sides of the rear wall of the furnace 3, the declining type membrane walls 2 are arranged on the inner side walls of the declining type furnace walls 4, the outer sides of the declining type membrane walls 2 are close to the edges of the two sides of the rear wall of the furnace 3, the upper ends of the declining type membrane walls 2 are communicated with the header 1, the outer sides of the furnace walls 4 are provided with rigid beam assemblies, and the rigid beam assemblies are arranged in the areas corresponding to the declining type furnace walls 4.
The front wall in the hearth 3 is provided with a front water-cooling wall, the rear wall is provided with a rear water-cooling wall, the side wall is provided with a side water-cooling wall, the upper ends of the front water-cooling wall, the rear water-cooling wall and the side water-cooling wall are all communicated with the header 1, and the declining membrane wall 2 is connected to two sides on the rear water-cooling wall.
The outside starting points of the declining membrane walls 2 are arranged at the two side edges of the rear wall of the hearth 3, namely, the outside starting points of the declining membrane walls 2 are connected with the two side edges of the rear water-cooled wall.
When in operation, heated water enters from the lower end of the declining membrane wall 2 and returns to the header 1 to form a water circulation loop.
The second embodiment is as follows: the present embodiment will be described with reference to fig. 1 to 6, in which each of the sets of the falling film walls 2 includes a plurality of tube banks 5 arranged in parallel along the length of the header 1. Other compositions and connection modes are the same as in the first embodiment.
The first downhill wall let tube 5 start with the first tube of the rear water wall.
And a third specific embodiment: referring to fig. 1 to 6, the present embodiment is described in which the tube 5 includes an upper vertical section 5-1, a middle bending section 5-2, and a lower vertical section 5-3, the upper vertical section 5-1, the middle bending section 5-2, and the lower vertical section 5-3 are sequentially connected from top to bottom, the upper end of the upper vertical section 5-1 is connected to the header 1, and the middle bending section 5-2 is matched with the shape of the inner sidewall of the downtilt furnace wall 2. Other compositions and connection modes are the same as those of the second embodiment.
The specific embodiment IV is as follows: referring to fig. 1 to 6, the rigid beam assembly according to this embodiment includes three steel beam groups and two vertical steel beams 9, the three steel beam groups are horizontally and fixedly connected to the outside of the furnace 3 from top to bottom, each steel beam group is disposed along the circumferential direction of the furnace 3, and the two vertical steel beams 9 are disposed between the upper and lower steel beam groups. Other compositions and connection modes are the same as those of the first, second or third embodiments.
The design makes the structure of furnace 3 more stable, prevents that export smoke window from taking place to warp.
Fifth embodiment: referring to fig. 1 to 6, in the present embodiment, the steel beam group above the present embodiment is disposed on the corresponding furnace 3 above the downtilt furnace wall 4, the steel beam group below the present embodiment is disposed on the corresponding furnace 3 below the downtilt furnace wall 4, and the steel beam group in the middle is disposed on the corresponding furnace 3 in the middle of the downtilt furnace wall 4. Other compositions and connection modes are the same as those of the fourth embodiment.
Specific embodiment six: referring to fig. 1 to 6, this embodiment is described, each steel beam group includes a front wall steel beam 6, a rear wall steel beam 7 and two side wall steel beams 8, the front wall steel beam 6 is fixedly connected to the outer side of the front wall of the furnace 3, the rear wall steel beam 7 is fixedly connected to the outer side of the rear wall of the furnace 3, and is disposed between two groups of declined furnace walls 4, the side wall steel beams 8 are fixedly connected to the outer side of the side wall of the furnace 3, and the vertical steel beam 9 is fixedly connected between the upper side wall steel beam 8 and the lower side wall steel beam 8. Other compositions and connection modes are the same as those of the fifth embodiment.
Seventh embodiment: the present embodiment will be described with reference to fig. 1 to 6, in which the vertical steel beam 9 is disposed near the rear wall side of the furnace 3. Other compositions and connection modes are the same as those of the sixth embodiment.
Eighth embodiment: referring to fig. 1 to 6, the present embodiment is described, in which connectors are provided at the ends of the front wall steel beam 6, the rear wall steel beam 7, and the side wall steel beam 8. Other compositions and connection modes are the same as those of the sixth embodiment.
The connector is used for the location of girder steel, and when fixed girder steel, the both ends connector with the girder steel is fixed now, progressively fixed girder steel's middle part again.
Detailed description nine: the present embodiment will be described with reference to fig. 1 to 6, in which the inner walls of the downtilt furnace wall 4 are linear inner walls. Other compositions and connection modes are the same as in the first embodiment.
The inside walls of the declining furnace wall 4 are linear type inside walls, and the declining furnace wall 4 is arranged between the outlet end of the hearth 3 and the inlet end of the separator 11, so that a step structure is not arranged between the hearth 3 and the separator 11, and the downward guide of the flue gas can be realized, and the inertia of the flue gas entering the separator is increased. On the basis of declining, the flue gas flow field is further optimized, the NOx emission is reduced, the flue gas flow resistance is reduced, and the flue gas passes through the hearth outlet more smoothly, so that the separation efficiency is further improved.
Detailed description ten: the present embodiment will be described with reference to fig. 1 to 6, in which expansion joints 10 are provided in the circumferential direction on the side walls of the downtilt furnace wall 4 according to the present embodiment. Other compositions and connection modes are the same as in the first embodiment.
Compared with the conventional hearth outlet smoke window structure, the downward side cut type outlet smoke window structure can optimize a smoke flow field, reduce NOx emission and reduce smoke flow resistance in the operation process, so that smoke can more smoothly pass through a hearth outlet and enter a separator, and the separation efficiency is improved. The maintenance cost is reduced, the service life of equipment is prolonged, and the safe and stable operation of the boiler is ensured.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the different dependent claims and the features described herein may be combined in ways other than as described in the original claims. It is also to be understood that features described in connection with separate embodiments may be used in other described embodiments.
Claims (10)
1. The utility model provides an energy-saving circulating fluidized bed boiler's downward side is cut formula furnace export smoke window structure which characterized in that: the novel furnace wall comprises a collecting box (1), two groups of declining membrane walls (2), two groups of declining furnace walls (4) and a rigid beam assembly, wherein the collecting box (1) is arranged on the upper portion of the rear wall in a furnace chamber (3), the declining furnace walls (4) are respectively arranged on two sides of the rear wall of the furnace chamber (3), the inner side walls of the declining furnace walls (4) are provided with the declining membrane walls (2), the outer sides of the declining membrane walls (2) are close to the edges of the two sides of the rear wall of the furnace chamber (3), the upper ends of the declining membrane walls (2) are communicated with the collecting box (1), the rigid beam assembly is arranged on the outer sides of the furnace walls (4), and the rigid beam assembly is arranged in an area corresponding to the declining furnace walls (4).
2. The downward side cut type furnace outlet smoke window structure of an energy-saving circulating fluidized bed boiler according to claim 1, wherein: each group of the declining membrane type walls (2) comprises a plurality of letting-off pipes (5) which are arranged in parallel along the length direction of the header (1).
3. The downward side cut type furnace outlet smoke window structure of the energy-saving circulating fluidized bed boiler according to claim 2, wherein: let pipe (5) include upper portion vertical section (5-1), middle part section of bending (5-2) and lower part vertical section (5-3), upper portion vertical section (5-1), middle part section of bending (5-2) and lower part vertical section (5-3) are connected gradually from top to bottom head and the tail, and the upper end of upper portion vertical section (5-1) is connected with collecting box (1), and middle part section of bending (5-2) cooperatees with the inside wall shape of downdip furnace wall (2) where.
4. A downward side cut type furnace outlet smoke window structure of an energy saving type circulating fluidized bed boiler according to claim 1, 2 or 3, wherein: the rigid beam assembly comprises three steel beam groups and two vertical steel beams (9), wherein the three steel beam groups are sequentially and horizontally fixedly connected to the outer side of the hearth (3) from top to bottom, each steel beam group is arranged along the circumferential direction of the hearth (3), and the two vertical steel beams (9) are arranged between the upper steel beam group and the lower steel beam group.
5. The downward side-cut type furnace outlet smoke window structure of the energy-saving circulating fluidized bed boiler according to claim 4, wherein: the upper steel beam group is arranged on the corresponding hearth (3) on the upper part of the declining type furnace wall (4), the lower steel beam group is arranged on the corresponding hearth (3) on the lower part of the declining type furnace wall (4), and the middle steel beam group is arranged on the corresponding hearth (3) in the middle of the declining type furnace wall (4).
6. The downward side cut type furnace outlet smoke window structure of the energy-saving circulating fluidized bed boiler according to claim 5, wherein: every girder steel group all includes preceding wall girder steel (6), back wall girder steel (7) and two side wall girder steel (8), and preceding wall girder steel (6) rigid coupling is in the outside of furnace (3) front wall, and back wall girder steel (7) rigid coupling is in the outside of furnace (3) back wall, and sets up between two sets of declining furnace wall (4), and side wall girder steel (8) rigid coupling is in the outside of furnace (3) side wall, and vertical girder steel (9) rigid coupling is between two upper and lower side wall girder steel (8).
7. The downward side cut type furnace outlet smoke window structure of the energy-saving circulating fluidized bed boiler according to claim 6, wherein: the vertical steel beam (9) is arranged close to the rear wall side of the hearth (3).
8. The downward side cut type furnace outlet smoke window structure of the energy-saving circulating fluidized bed boiler according to claim 6, wherein: the ends of the front wall steel beam (6), the rear wall steel beam (7) and the side wall steel beam (8) are respectively provided with a connector.
9. The downward side cut type furnace outlet smoke window structure of an energy-saving circulating fluidized bed boiler according to claim 1, wherein: the inner side walls of the declined furnace wall (4) are all linear inner walls.
10. The downward side cut type furnace outlet smoke window structure of an energy-saving circulating fluidized bed boiler according to claim 1, wherein: expansion joints (10) are arranged on the side walls of the declining furnace wall (4) along the circumferential direction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211715272.0A CN116182153A (en) | 2022-12-29 | 2022-12-29 | Downward side cutting type hearth outlet smoke window structure of energy-saving circulating fluidized bed boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211715272.0A CN116182153A (en) | 2022-12-29 | 2022-12-29 | Downward side cutting type hearth outlet smoke window structure of energy-saving circulating fluidized bed boiler |
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| CN116182153A true CN116182153A (en) | 2023-05-30 |
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| CN204962737U (en) * | 2015-09-21 | 2016-01-13 | 黄建彬 | Circulating fluidized bed with boiler furnace water -cooling wall abrasionproof |
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| CN216010826U (en) * | 2021-11-11 | 2022-03-11 | 哈尔滨红光锅炉总厂有限责任公司 | Hearth outlet smoke window downdip structural device of energy-saving circulating fluidized bed boiler |
| CN217684957U (en) * | 2022-05-18 | 2022-10-28 | 哈尔滨红光锅炉总厂有限责任公司 | Full-downdip step-free eccentric cyclone separator |
-
2022
- 2022-12-29 CN CN202211715272.0A patent/CN116182153A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204962737U (en) * | 2015-09-21 | 2016-01-13 | 黄建彬 | Circulating fluidized bed with boiler furnace water -cooling wall abrasionproof |
| CN207179646U (en) * | 2017-08-06 | 2018-04-03 | 郑州中鼎锅炉股份有限公司 | A kind of new full fin panel casing CFBB |
| CN110260301A (en) * | 2019-07-18 | 2019-09-20 | 曹德鸣 | The energy-saving biomass recirculating fluidized bed boiler of minimum discharge |
| CN210717475U (en) * | 2019-09-12 | 2020-06-09 | 本溪锅炉(集团)有限公司 | Large-scale water tube boiler with enhanced structural stability |
| CN216010826U (en) * | 2021-11-11 | 2022-03-11 | 哈尔滨红光锅炉总厂有限责任公司 | Hearth outlet smoke window downdip structural device of energy-saving circulating fluidized bed boiler |
| CN217684957U (en) * | 2022-05-18 | 2022-10-28 | 哈尔滨红光锅炉总厂有限责任公司 | Full-downdip step-free eccentric cyclone separator |
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