CN107559813A - A kind of super-pressure reheat vapor cycle fluidized-bed combustion boiler of burning-used biologic mass fuel - Google Patents
A kind of super-pressure reheat vapor cycle fluidized-bed combustion boiler of burning-used biologic mass fuel Download PDFInfo
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- CN107559813A CN107559813A CN201710970801.4A CN201710970801A CN107559813A CN 107559813 A CN107559813 A CN 107559813A CN 201710970801 A CN201710970801 A CN 201710970801A CN 107559813 A CN107559813 A CN 107559813A
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 48
- 239000000446 fuel Substances 0.000 title claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 45
- 239000012808 vapor phase Substances 0.000 claims abstract description 27
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003546 flue gas Substances 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 4
- 239000000779 smoke Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 239000012528 membrane Substances 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 3
- 239000003818 cinder Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 7
- 238000003303 reheating Methods 0.000 description 9
- 239000002028 Biomass Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 238000013021 overheating Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000010902 straw Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Landscapes
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The present invention relates to a kind of fluidized-bed combustion boiler, the super-pressure reheat vapor cycle fluidized-bed combustion boiler of specifically a kind of burning-used biologic mass fuel, belong to fluidized-bed combustion boiler technical field.It includes drum, burner hearth, water-cooling screen, mistake heat shielding, vaporphase cooling separator, high temperature section heat shielding, low-temperature zone reheater, low temperature superheater, medium temperature overheater, economizer and air preheater again, the smoke outlet of burner hearth is sequentially connected water-cooling screen along flue gas flow direction direction, crosses heat shielding, vaporphase cooling separator, high temperature section heat shielding, low-temperature zone reheater, low temperature superheater, medium temperature overheater, economizer and air preheater again, burner hearth front wall bottom is provided with combustion chamber, and material-returning device is connected at the gas outlet of vaporphase cooling separator bottom.The present invention can use soft stalk and hard stalk simultaneously, and compressed air is sprayed at the cold separator bottom variable cross-section of vapour to prevent particle from accumulating here, therefore it can use soft stalk and hard stalk simultaneously, and returning charge is smooth.
Description
Technical field
The present invention relates to a kind of fluidized-bed combustion boiler, the super-pressure reheat vapor cycle of specifically a kind of burning-used biologic mass fuel
Fluidized-bed combustion boiler, belong to fluidized-bed combustion boiler technical field.
Background technology
Biomass fuel (rice straw, straw, cornstalk, Cotton Stalk, tree branches etc.) is the discarded object of agricultural production, is allowed to
The resource for not only wasting preciousness is burned in field, also pollutes atmospheric environment.Biomass fuel is regenerative resource, is made full use of
Biomass fuel burning electricity generation, have and save the energy, antipollution social benefit.
At present, the CFBB generally existing of domestic burning-used biologic mass fuel can not take into account simultaneously soft stalk and
The problems such as hard stalk, returning charge be not smooth, undercapacity, economic benefit are low.
The content of the invention
It is an object of the present invention to overcome the above deficiencies, so as to provide a kind of super-pressure of burning-used biologic mass fuel again
Thermal cycle fluidized-bed combustion boiler, it can use soft stalk and hard stalk simultaneously, and returning charge is smooth, and have very high heat outputting
Energy.
According to technical scheme provided by the invention, a kind of super-pressure reheat vapor cycle fluidized-bed combustion boiler of burning-used biologic mass fuel
Including drum, burner hearth, water-cooling screen, cross heat shielding, vaporphase cooling separator, high temperature section heat shielding, low-temperature zone reheater, cryogenic overheating again
Device, medium temperature overheater, economizer and air preheater, it is characterized in that：Upper furnace is provided with drum, the smoke outlet edge of burner hearth
Flue gas flow direction direction be sequentially connected water-cooling screen, cross heat shielding, vaporphase cooling separator, high temperature section again heat shielding, low-temperature zone reheater,
Low temperature superheater, medium temperature overheater, economizer and air preheater, burner hearth front wall bottom are provided with combustion chamber；The cold cyclonic separation of vapour
Material-returning device, material-returning device and combustion chamber are connected at the gas outlet of device bottom；The delivery port of economizer passes through the first outlet pipe
The water inlet of drum is connected, the delivery port of drum connects the water inlet of water-cooling screen and burner hearth membrane wall, water by down-comer respectively
Cold screen connects drum with the delivery port of burner hearth membrane wall by the second outlet pipe；
The outlet side of drum connects vaporphase cooling separator inlet end by the first escape pipe, and vaporphase cooling separator outlet side leads to
The second escape pipe connection enclosure wall superheater inlet end is crossed, enclosure wall superheater outlet side connects cryogenic overheating by the 3rd escape pipe
Device, low temperature superheater outlet side connection medium temperature overheater inlet end, medium temperature overheater outlet side was connected by the 4th escape pipe
Heat shielding low temperature group inlet end, cross heat shielding low temperature group outlet side and heat shielding high temperature group inlet end was connected by connecting tube, it is high to cross heat shielding
Temperature group outlet side connection super-heater exit case；Low-temperature zone reheater outlet side connects high temperature section reheating by the 5th escape pipe
Screen, high temperature section reheating screen outlet side connection reheater outlet header.
Further, air preheater is provided with exhaust opening.
Further, combustor side is provided with charging aperture, connects screw(-type) feeder at charging aperture, bottom of combustion chamber is provided with out
Cinder notch, residue outlet is connected at slag notch, and combustion chamber lower outside connects an air-intake device, combustion chamber bottom front-back wall connection two
Secondary air-intake device.
Further, variable cross-section section is provided with the middle part of vaporphase cooling separator, variable cross-section section is provided with compressed air spout.
Further, one-level direct-contact desuperheater is connected on enclosure wall superheater outlet side.
Further, two level direct-contact desuperheater is provided between low temperature superheater and medium temperature overheater.
Further, cross heat shielding low temperature group outlet side and three-level direct-contact desuperheater one end, three-level water spray are connected by connecting tube
The attemperator other end connected heat shielding high temperature group outlet side.
Further, high temperature section reheating screen outlet side connection level Four direct-contact desuperheater.
Compared with the prior art the present invention has advantages below：
The present invention is simple in construction, compact, reasonable, and it can use soft stalk and hard stalk, soft stalk or/and hard simultaneously
Stalk is delivered to the combustion chamber inside burner hearth by screw(-type) feeder, and high-temperature flue gas is produced after fuel combustion and is transmitted to heat successively
The membrane wall of burner hearth, water-cooling screen, cross heat shielding, vaporphase cooling separator, high temperature section heat shielding, low-temperature zone reheater, cryogenic overheating again
Caused high-temperature flue gas produces in vaporphase cooling separator after the heating surfaces such as device, medium temperature overheater, economizer, wherein fuel combustion
Separation, tiny particle enter heating surface thereafter with flue gas, and larger particle is separated, and stove is sent into by material-returning device
The combustion chamber of thorax, circulation is formed, compressed air is sprayed at the cold separator bottom variable cross-section of vapour to prevent particle from accumulating here,
Therefore it can use soft stalk and hard stalk simultaneously, and returning charge is smooth.
Brief description of the drawings
Fig. 1 is front view of the present invention.
Description of reference numerals：1- drums, 2- burner hearths, 3- water-cooling screens, 4- cross heat shielding, 5- vaporphase cooling separators, 6- high temperature
Section heat shielding, 7- low-temperature zones reheater, 8- low temperature superheaters, 9- medium temperature overheaters, 10- economizers, 11- air preheaters, 12- again
Exhaust opening, 13- screw(-type) feeders, 14- combustion chambers, 15- residue outlets, air-intake device of 16-, 17- compressed airs spout, 18-
Material-returning device, the outlet pipes of 19- first, 20- down-comers, 21- burner hearths membrane wall, the outlet pipes of 22- second, the escape pipes of 23- first,
The escape pipes of 24- second, 25- enclosure wall superheaters, the escape pipes of 26- the 3rd, the escape pipes of 27- the 4th, 28- super-heater exit cases, 29-
5th escape pipe, 30- secondary airs device, 31- one-levels direct-contact desuperheater, 32- two levels direct-contact desuperheater, 33- three-levels water spray subtract
Warm device, 34- connecting tubes, 35- level Four direct-contact desuperheater, 36- reheater outlet headers.
Embodiment
The present invention will be further described with reference to the embodiment in accompanying drawing below：
As shown in figure 1, the invention mainly comprises drum 1, burner hearth 2, excessively water-cooling screen 3, heat shielding 4, vaporphase cooling separator 5, high temperature
Duan Zaire screens 6, low-temperature zone reheater 7, low temperature superheater 8, medium temperature overheater 9, economizer 10 and air preheater 11.
The top of burner hearth 2 is provided with drum 1, the smoke outlet of burner hearth 2 along flue gas flow direction direction be sequentially connected water-cooling screen 3,
Cross heat shielding 4, vaporphase cooling separator 5, high temperature section reheating screen 6, low-temperature zone reheater 7, low temperature superheater 8, medium temperature overheater 9,
Economizer 10 and air preheater 11, air preheater 11 are provided with exhaust opening 12.
The front wall bottom of burner hearth 2 is provided with combustion chamber 14, and the side of combustion chamber 14 is provided with charging aperture, screw feeder is connected at charging aperture
Machine 13, biomass fuel enter combustion chambers burn by screw(-type) feeder 13.The bottom of combustion chamber 14 is provided with slag notch, at slag notch
Connect residue outlet 15.The lower outside of combustion chamber 14 connects an air-intake device 16, and the bottom front-back wall connecting secondary of combustion chamber 14 enters
Wind apparatus 30.
Material-returning device 18 is connected at the bottom gas outlet of vaporphase cooling separator 5, material-returning device 18 connects with combustion chamber 14.Vapour
The cold middle part of cyclone separator 5 is provided with variable cross-section section, and variable cross-section section is provided with compressed air spout 17.
Boiler feedwater enters the water inlet of economizer 10, and the delivery port of economizer 10 connects drum by the first outlet pipe 19
1 water inlet, the delivery port of drum 1 connect the water inlet of water-cooling screen 3 and burner hearth membrane wall 21, water cooling by down-comer 20 respectively
The delivery port of screen 3 and burner hearth membrane wall 21 connects drum 1 by the second outlet pipe 22.
The outlet side of drum 1 connects the inlet end of vaporphase cooling separator 5, vaporphase cooling separator by the first escape pipe 23
5 outlet sides connect the inlet end of enclosure wall superheater 25 by the second escape pipe 24, and the outlet side of enclosure wall superheater 25 passes through the 3rd outlet
Pipe 26 connects low temperature superheater 8, the outlet side of the low temperature superheater 8 connection inlet end of medium temperature overheater 9, the outlet side of medium temperature overheater 9
The low temperature group inlet end of heat shielding 4 was connected by the 4th escape pipe 27, the low temperature group outlet side of heat shielding 4 is crossed and was connected by connecting tube 34
The high temperature group inlet end of heat shielding 4, cross the high temperature group outlet side of heat shielding 4 connection super-heater exit case 28.Saturated vapor in drum 1 leads to
Cross the first escape pipe 23 to enter in vaporphase cooling separator 5, then in turn through enclosure wall superheater 25, low temperature superheater 8, medium temperature
Superheater 9, cross in heat shielding 4 and super-heater exit case 28.
Cold reheat vapour from steam turbine enters the entrance point of low-temperature zone reheater 7, and the outlet side of low-temperature zone reheater 7 leads to
Cross the 5th escape pipe 29 connection high temperature section reheating screen 6, the outlet side of high temperature section reheating screen 6 connection reheater outlet header 39.
One-level direct-contact desuperheater 31, low temperature superheater 8 and medium temperature overheater 9 are connected on the outlet side of enclosure wall superheater 25
Between be provided with two level direct-contact desuperheater 32,
Cross the low temperature group outlet side of heat shielding 4 and the one end of three-level direct-contact desuperheater 33, three-level direct-contact desuperheater 33 are connected by connecting tube 34
The other end connected the high temperature group outlet side of heat shielding 4.
The outlet side of high temperature section reheating screen 6 connection level Four direct-contact desuperheater 35.
The present invention the course of work be：Boiler feedwater is entered by economizer 10, and drum 1, drum 1 are entered after by flue gas
Interior stove water respectively enters water-cooling screen 3 and burner hearth membrane wall 21 through down-comer 20, stove water quilt in water-cooling screen 3 and burner hearth membrane wall 21
Enter drum 1 as steam water interface after flue gas, steam water interface is divided into saturation by water separator in drum 1
The stove water of steam and saturation, stove water enter down-comer 20.Saturated vapor introduces vaporphase cooling separator 5 by the first escape pipe 23,
Enter one by being heated as superheated steam and introducing enclosure wall superheater 25 by connecting tube in the saturated vapor of vaporphase cooling separator 5
Low temperature superheater 8 is introduced by the 3rd escape pipe 26 after the desuperheat of one-level direct-contact desuperheater 31 after step heating, then sequentially enters two
Level direct-contact desuperheater 32, medium temperature overheater 9 and by the 4th escape pipe 27 be connected to the low temperature group of heat shielding 4 heating after enter three-level
Direct-contact desuperheater 33 was simultaneously connected to the high temperature group of heat shielding 4 by connecting tube 34 further heating reaches the overheat of boiler nominal parameter
Steam introduces overheat vapor outlet header 28 by connecting tube and exports boiler.
Cold reheat vapour enters low-temperature zone reheater 7, and level Four direct-contact desuperheater 35 is entered after by flue gas, passes through connection
Pipe is connected to high temperature section reheating screen 6, and the reheated steam that further heating reaches boiler nominal parameter enters reheating vapor outlet header
39 output boilers.
The combustion chamber 14 of the bottom of burner hearth 2 is sent into by screw(-type) feeder 13 through broken biomass fuel, is produced after fuel combustion
Heat is transmitted to burner hearth membrane wall 21, water-cooling screen 3, crosses heat shielding 4, vaporphase cooling separator 5, high temperature section again by raw high-temperature flue gas successively
Heat shielding 6, low-temperature zone reheater 7, low temperature superheater 8, medium temperature overheater 9, economizer 10, air preheater 11, the cigarette after cooling
Gas discharges boiler from exhaust opening 12.
Clinker after biomass fuel burns in the combustion chamber 14 of burner hearth 2 discharges boiler by residue outlet 15.Cold air is by sky
Air preheater 11 enters, and hot-air is sent into burner hearth 2 through a wind apparatus 16 and overfire air device 30 respectively after by flue gas
Combustion chamber 14.
After biomass fuel combustion caused high-temperature flue gas vaporphase cooling separator 5 produce separation, tiny particle with
Flue gas enters heating surface thereafter, and larger particle is separated, and the shape of combustion chamber 14 of burner hearth 2 is sent into by material-returning device 18
Into circulation, compressed air 17 is sprayed at the bottom variable cross-section of vaporphase cooling separator 5 to prevent particle from accumulating here.
Claims (8)
1. a kind of super-pressure reheat vapor cycle fluidized-bed combustion boiler of burning-used biologic mass fuel, including drum（1）, burner hearth（2）, water-cooling screen
（3）, cross heat shielding（4）, vaporphase cooling separator（5）, high temperature section heat shielding again（6）, low-temperature zone reheater（7）, low temperature superheater
（8）, medium temperature overheater（9）, economizer（10）And air preheater（11）, it is characterized in that：Burner hearth（2）Top is provided with drum（1）,
Burner hearth（2）Smoke outlet be sequentially connected water-cooling screen along flue gas flow direction direction（3）, cross heat shielding（4）, vaporphase cooling separator
（5）, high temperature section heat shielding again（6）, low-temperature zone reheater（7）, low temperature superheater（8）, medium temperature overheater（9）, economizer（10）With
Air preheater（11）, burner hearth（2）Front wall bottom is provided with combustion chamber（14）；Vaporphase cooling separator（5）Connect at the gas outlet of bottom
Connect material-returning device（18）, material-returning device（18）With combustion chamber（14）Connection；Economizer（10）Delivery port pass through the first outlet pipe
（19）Connect drum（1）Water inlet, drum（1）Delivery port pass through down-comer（20）Water-cooling screen is connected respectively（3）And burner hearth
Membrane wall（21）Water inlet, water-cooling screen（3）With burner hearth membrane wall（21）Delivery port pass through the second outlet pipe（22）Connect pot
Cylinder（1）；
Drum（1）Outlet side pass through the first escape pipe（23）Connect vaporphase cooling separator（5）Inlet end, the cold cyclonic separation of vapour
Device（5）Outlet side passes through the second escape pipe（24）Connect enclosure wall superheater（25）Inlet end, enclosure wall superheater（25）Outlet side leads to
Cross the 3rd escape pipe（26）Connect low temperature superheater（8）, low temperature superheater（8）Outlet side connects medium temperature overheater（9）Inlet end,
Medium temperature overheater（9）Outlet side passes through the 4th escape pipe（27）Connected heat shielding（4）Low temperature group inlet end, cross heat shielding（4）Low temperature
Group outlet side passes through connecting tube（34）Connected heat shielding（4）High temperature group inlet end, cross heat shielding（4）High temperature group outlet side connection overheat
Device outlet header（28）；Low-temperature zone reheater（7）Outlet side passes through the 5th escape pipe（29）Connect high temperature section heat shielding again（6）, it is high
Temperature section heat shielding again（6）Outlet side connects reheater outlet header（39）.
2. a kind of super-pressure reheat vapor cycle fluidized-bed combustion boiler of burning-used biologic mass fuel as claimed in claim 1, it is characterized in that：
The air preheater（11）It is provided with exhaust opening（12）.
3. a kind of super-pressure reheat vapor cycle fluidized-bed combustion boiler of burning-used biologic mass fuel as claimed in claim 1, it is characterized in that：
The combustion chamber（14）Side is provided with charging aperture, and screw(-type) feeder is connected at charging aperture（13）, combustion chamber（14）Bottom is provided with out
Cinder notch, residue outlet is connected at slag notch（15）, combustion chamber（14）Lower outside connects an air-intake device（16）, combustion chamber（14）
Bottom front-back wall connecting secondary air-intake device（30）.
4. a kind of super-pressure reheat vapor cycle fluidized-bed combustion boiler of burning-used biologic mass fuel as claimed in claim 1, it is characterized in that：
The vaporphase cooling separator（5）Middle part is provided with variable cross-section section, and variable cross-section section is provided with compressed air spout（17）.
5. a kind of super-pressure reheat vapor cycle fluidized-bed combustion boiler of burning-used biologic mass fuel as claimed in claim 1, it is characterized in that：
The enclosure wall superheater（25）One-level direct-contact desuperheater is connected on outlet side（31）.
6. a kind of super-pressure reheat vapor cycle fluidized-bed combustion boiler of burning-used biologic mass fuel as claimed in claim 1, it is characterized in that：
The low temperature superheater（8）And medium temperature overheater（9）Between be provided with two level direct-contact desuperheater（32）.
7. a kind of super-pressure reheat vapor cycle fluidized-bed combustion boiler of burning-used biologic mass fuel as claimed in claim 1, it is characterized in that：
It is described to cross heat shielding（4）Low temperature group outlet side passes through connecting tube（34）Connect three-level direct-contact desuperheater（33）One end, three-level water spray subtract
Warm device（33）The other end connected heat shielding（4）High temperature group outlet side.
8. a kind of super-pressure reheat vapor cycle fluidized-bed combustion boiler of burning-used biologic mass fuel as claimed in claim 1, it is characterized in that：
High temperature section heat shielding again（6）Outlet side connects level Four direct-contact desuperheater（35）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710970801.4A CN107559813A (en) | 2017-10-18 | 2017-10-18 | A kind of super-pressure reheat vapor cycle fluidized-bed combustion boiler of burning-used biologic mass fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710970801.4A CN107559813A (en) | 2017-10-18 | 2017-10-18 | A kind of super-pressure reheat vapor cycle fluidized-bed combustion boiler of burning-used biologic mass fuel |
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| Publication Number | Publication Date |
|---|---|
| CN107559813A true CN107559813A (en) | 2018-01-09 |
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| CN201710970801.4A Pending CN107559813A (en) | 2017-10-18 | 2017-10-18 | A kind of super-pressure reheat vapor cycle fluidized-bed combustion boiler of burning-used biologic mass fuel |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578985A (en) * | 2018-12-12 | 2019-04-05 | 河南心连心化肥有限公司 | A kind of biomass combustion device and method |
| CN110107877A (en) * | 2019-06-05 | 2019-08-09 | 福建省东锅节能科技有限公司 | The boiler and its working method of biological substance for combustion energy |
| CN110220182A (en) * | 2019-07-10 | 2019-09-10 | 哈尔滨红光锅炉总厂有限责任公司 | A kind of biomass direct-fired energy-saving circulating fluidized bed superhigh-pressure high-temp reheated steam boiler |
| CN110542072A (en) * | 2019-09-24 | 2019-12-06 | 无锡华光工业锅炉有限公司 | double-pressure circulating fluidized bed boiler |
| CN110793012A (en) * | 2019-12-16 | 2020-02-14 | 哈尔滨红光锅炉总厂有限责任公司 | Pure-burning biomass environment-friendly circulating fluidized bed boiler water vapor system |
| CN110906321A (en) * | 2019-12-05 | 2020-03-24 | 徐州工业锅炉有限公司 | Circulating fluidized bed boiler comprising water-cooled balance material returning technology |
| CN111795379A (en) * | 2020-08-07 | 2020-10-20 | 无锡华光环保能源集团股份有限公司 | Circulating fluidized bed boiler for burning biomass |
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| CN207514899U (en) * | 2017-10-18 | 2018-06-19 | 上海工业锅炉无锡有限公司 | A kind of super-pressure reheat vapor cycle fluidized-bed combustion boiler of burning-used biologic mass fuel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578985A (en) * | 2018-12-12 | 2019-04-05 | 河南心连心化肥有限公司 | A kind of biomass combustion device and method |
| CN110107877A (en) * | 2019-06-05 | 2019-08-09 | 福建省东锅节能科技有限公司 | The boiler and its working method of biological substance for combustion energy |
| CN110220182A (en) * | 2019-07-10 | 2019-09-10 | 哈尔滨红光锅炉总厂有限责任公司 | A kind of biomass direct-fired energy-saving circulating fluidized bed superhigh-pressure high-temp reheated steam boiler |
| CN110220182B (en) * | 2019-07-10 | 2024-04-19 | 哈尔滨红光锅炉总厂有限责任公司 | Biomass direct-fired energy-saving circulating fluidized bed high-temperature ultrahigh-pressure reheat steam boiler |
| CN110542072A (en) * | 2019-09-24 | 2019-12-06 | 无锡华光工业锅炉有限公司 | double-pressure circulating fluidized bed boiler |
| CN110906321A (en) * | 2019-12-05 | 2020-03-24 | 徐州工业锅炉有限公司 | Circulating fluidized bed boiler comprising water-cooled balance material returning technology |
| CN110793012A (en) * | 2019-12-16 | 2020-02-14 | 哈尔滨红光锅炉总厂有限责任公司 | Pure-burning biomass environment-friendly circulating fluidized bed boiler water vapor system |
| CN111795379A (en) * | 2020-08-07 | 2020-10-20 | 无锡华光环保能源集团股份有限公司 | Circulating fluidized bed boiler for burning biomass |
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Application publication date: 20180109 |
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| RJ01 | Rejection of invention patent application after publication |