CN107781807A - A kind of light coal complementary cycle fluidized bed boiler systems based on tower photothermal technique - Google Patents
A kind of light coal complementary cycle fluidized bed boiler systems based on tower photothermal technique Download PDFInfo
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- CN107781807A CN107781807A CN201711036024.2A CN201711036024A CN107781807A CN 107781807 A CN107781807 A CN 107781807A CN 201711036024 A CN201711036024 A CN 201711036024A CN 107781807 A CN107781807 A CN 107781807A
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- 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
- F23C10/20—Inlets for fluidisation air, e.g. grids; Bottoms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
- F23L2900/15044—Preheating combustion air by heat recovery means using solar or other clean energy
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- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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- 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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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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
A kind of light coal complementary cycle fluidized bed boiler systems based on tower photothermal technique, including solar heat absorber, solar heat absorber are transmitted the energy of absorption by three sections；First paragraph is divided into two-way by air diverter control, is connected all the way with heat storage can, another way is connected with the overfiren air port of boiler hearth of circulating fluidized bed；Second segment is divided into two-way by air diverter control, is connected all the way with heat storage can, another way is connected with the newly-increased air port of boiler hearth of circulating fluidized bed part；3rd section is divided into two-way by air diverter control, is connected all the way with heat storage can, another way is connected with the overfiren air port of boiler hearth of circulating fluidized bed part and newly-increased air port simultaneously；After back-end ductwork superheater, reheater, economizer, air preheater heat exchange, it is expelled directly out by chimney；The present invention has adjusted with boiler regulating guarantee the security and feasibility of whole system by heat accumulation, while is advantageous to the reduction use of coal amount using solar energy.
Description
Technical field
The present invention relates to thermal power generation technology, more particularly to a kind of light coal complementary cycle fluidisation based on tower photothermal technique
Bed boiler systems.
Background technology
Restricted by resource branch and technical conditions, China generates electricity situation based on coal fired power generation considerably long in the period of
Interior is difficult to change.It is becoming tight environment situation day now, the extreme climate such as haze, coal rain emerges in an endless stream, every profession and trade energy-saving and emission-reduction mark
Standard is increasingly improved, and gross coal consumption rate and the pollutant emission of Thermal Power Generation Industry are even more the most important thing, and deep layer is carried out to traditional coal unit
The demand of secondary reconstruction and technical optimization can not urgently be treated.It is complementary using solar energy and fire coal in all kinds of emission-reduction technologies
Coal consumption, which is reduced, from source and reduces pollutant emission has become a new hot technology.Wherein, most smooth coal is complementary
System is deployed mainly around traditional coal-powder boiler or extracted steam from turbine section, does not take into full account the spy of CFBB generation technology
Point.
Existing fluidized-bed combustion boiler is because of the reason such as technology development time is shorter, and crew qiting is relatively small, flue-gas temperature phase
To relatively low, the coupling of light coal complementary power generation system is easily realized, but because CFBB heat exchanger is mainly arranged in tail
In portion's flue, the rough formula coupling scheme of traditional coal-powder boiler is difficult to be applied to fluidized-bed combustion boiler.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, it is an object of the invention to provide a kind of based on tower photothermal technique
Light coal complementary cycle fluidized bed boiler systems, by the security of heat accumulation regulation and boiler regulating guarantee whole system and feasible
Property, stability when hot blast can help to maintain the boiler at low load run is provided by solar energy, while be advantageous to using solar energy
The reduction of coal amount uses.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of light coal complementary cycle fluidized bed boiler systems based on tower photothermal technique, including solar heat absorber 3, too
Positive energy heat dump 3 absorbs the energy from sunshine 1, and solar heat absorber 3 is transmitted the energy of absorption by three sections；The
One section is divided into two-way by the control of air diverter 4, is connected all the way with heat storage can 5, another way and boiler hearth of circulating fluidized bed
11 overfiren air port 9 is connected；Second segment by air diverter 4 control is divided into two-way, be connected all the way with heat storage can 5, another way with
The newly-increased air port 10 of the part of boiler hearth of circulating fluidized bed 11 is connected；3rd section is divided into two-way by the control of air diverter 4, all the way
It is connected with heat storage can 5, another way while overfiren air port 9 and the phase of newly-increased air port 10 with the part of boiler hearth of circulating fluidized bed 11
Even；High temperature air in described boiler hearth of circulating fluidized bed 11 mixes with original flue gas, through back-end ductwork superheater 17, again
After hot device 18, economizer 19, air preheater 20 exchange heat, it is expelled directly out by chimney 27；Positioned at boiler hearth of circulating fluidized bed 11
Bottom is provided with primary air nozzle 8, and described solar heat absorber 3 is connected formation with solar energy accessory fan 22 and heat storage can 5 and inhaled
The open circuit of hot working fluid.
Described solar heat absorber 3 by the heat absorption working medium flow that controls blower fan to control into solar heat absorber 3,
Maintain the stabilization of the absorb heat sender property outlet temperature of solar heat absorber 3.
The high temperature air that described solar heat absorber 3 is sent out is connected with heat storage can 5, via being sent back to after the heat release of heat storage can 5
To heat dump heating 3, by controlling the charge and discharge hot working fluid flow of heat storage can 5, ensure the heat into boiler hearth of circulating fluidized bed 11
Air temperature is constant.
Described solar heat absorber 3 assembles sunshine 1 by each heliostat mirror-reflection of heliostat field 2.
Controller inside described boiler hearth of circulating fluidized bed 11 is pointed to the bottom of boiler hearth of circulating fluidized bed 11
Lime stone dust feeder 6, coal feeder 7 is controlled.
Slag cooler 28 and slag-draining device 29 are provided with described primary air nozzle 8.
The described top of ring fluid bed boiler furnace 11 is provided with water-cooling wall 12 and water separator 13.
The described internal operation direction of ring fluid bed boiler furnace 11 is provided with separator 14, and a part after filtering by passing through
Chimney 27 is expelled directly out, and another part returns to circulation fluidized bed boiler by the returning charge air port 15 of the bottom of separator 14 through material returning device 16
Burner hearth 11.
The described bottom of separator 14 is provided with material return blower 21 and primary air fan 24.
The described bottom of boiler hearth of circulating fluidized bed 11 is provided with overfire air fan 23.
The described gas that obtained after back-end ductwork exchanges heat is expelled directly out by ash bucket 25 with air-introduced machine 26 by chimney 27.
The beneficial effects of the invention are as follows：
A kind of light coal complementary cycle fluidized system based on tower type solar generation technology proposed by the present invention, by the sun
Energy collecting system and boiler side air and gas system are effectively integrated, and breaking away from traditional light coal coupling must rely on what device of working medium coupled
Shortcoming, i.e., replace hot blast caused by boiler part fire coal using hot blast caused by tower type solar collecting system, this for it is tower too
Positive energy collecting system and the high effective integration of conventional coal-burning power plant provide new scheme.The present invention is adjusted by heat accumulation regulation and boiler
Section ensure that the security and feasibility of whole system.When providing hot blast by solar energy can help to maintain the boiler at low load run
Stability, while using solar energy be advantageous to coal amount reduction use, be conventional recycle fluidized-bed combustion boiler power plant section
It can transform and provide brand-new integrated thinking.
Brief description of the drawings
Fig. 1 is a kind of light coal complementary cycle fluidized bed boiler systems based on tower type solar generation technology of the present invention
Flow chart.
Fig. 2 is a kind of light coal complementary cycle fluidized-bed combustion boiler system based on tower type solar generation technology of the present invention
System schematic diagram.
Embodiment
Make narration in detail to the present invention below in conjunction with the accompanying drawings.
As shown in Fig. 1 Fig. 2, a kind of light coal complementary cycle fluidized bed boiler systems bag based on tower type solar generation technology
Include following steps:
Step S1, solar heat absorber 3, solar energy accessory fan 22 and the connection of heat storage can 5 form the open type of heat absorption working medium
Loop.Solar heat absorber 3, solar energy accessory fan 22 and the connection of heat storage can 5 form the open circuit of heat absorption working medium.It is tower too
Positive energy heat dump 3 assembles sunray, the high density injected by heat dump entrance by each heliostat mirror-reflection of heliostat field 2
Hot-fluid heats air by porous medias such as coiled tubular heat exchanger or oxide ceramics, and air passes through forced convertion in pipe by cold conditions
Heat exchange or porous media heat exchange are heated to be high temperature air；
Step S2, the high temperature air air inlet current divider 4 come out from heat dump, it is divided into two by the control of air diverter 4
Road, it is connected all the way with heat storage can 5, another way is connected with the overfiren air port 9 of CFBB；
Step S3, the high temperature air air inlet current divider 4 come out from heat dump, it is divided into two by the control of air diverter 4
Road, it is connected all the way with heat storage can 5, another way is connected with the newly-increased air port 10 of the part of boiler hearth of circulating fluidized bed 11；
Step S4, the high temperature air air inlet current divider 4 come out from heat dump, it is divided into two by the control of air diverter 4
Road, it is connected all the way with heat storage can 5, another way while the overfiren air port 9 with the part of boiler hearth of circulating fluidized bed 11 and newly-increased wind
Mouth 10 is connected.
In a particular embodiment of the present invention, step S1 is implemented as：
According to the light and heat collection characteristic of tower type solar collecting system heliostat field 2, entrance is controlled by controlling blower fan
The heat absorption working medium flow of solar heat absorber 3, maintain the stabilization of the absorb heat sender property outlet temperature of solar heat absorber 3.To be further
The stability of boiler is maintained, it is determined that in the case of tower type solar collecting system absorb heat sender property outlet temperature, is inhaled by controlling
The flow velocity of hot working fluid adapts to the fluctuation of energy gain that solar radiation change is brought, and makes its safe operation.
In a particular embodiment of the present invention, step S2 is implemented as：
Step S21, high temperature air are connected with heat storage can 5, are heated via heat dump is returned to after the heat release of heat storage can 5.In order to
After ensureing that circulating fluidized bed boiler systems are harmonious with tower type solar air heat-collecting system, whole system is capable of the fortune of safety economy
OK, by controlling the charge and discharge hot working fluid flow of heat storage can 5, ensure that the hot blast temperature into burner hearth 11 is constant, stability of flow.It is tower too
The air output of positive energy system does not change with the help of the system of heat storage can 5 with the change of solar radiation, to ensure the complementation of light coal
CFBB can normal table operation.
The overfiren air port 9 of step S22, high temperature air and CFBB connects, and is sent directly into via overfiren air port 9
In burner hearth 11, mix with original flue gas, exchanged heat through back-end ductwork superheater 17, reheater 18, economizer 19, air preheater 20
Afterwards, it is expelled directly out by chimney 27.After ensureing that circulating fluidized bed boiler systems and tower type solar air heat-collecting system are harmonious,
Whole system is capable of the operation of safety economy, by controlling coal-supplying amount, to coal particle size, circulating ratio and primary and secondary air ratio pair
Fluidized-bed combustion boiler bed temperature is adjusted, and ensures that the bed temperature of burner hearth 11 is stable and uniform along short transverse branch.
In a particular embodiment of the present invention, step S3 is implemented as：
Step S31, high temperature air are connected with heat storage can 5, are heated via heat dump is returned to after the heat release of heat storage can 5.In order to
After ensureing that circulating fluidized bed boiler systems are harmonious with tower type solar air heat-collecting system, whole system is capable of the fortune of safety economy
OK, by controlling the charge and discharge hot working fluid flow of heat storage can 5, ensure that the hot blast temperature for entering burner hearth 11 is constant, stability of flow.It is tower too
The air output of positive energy system does not change with the help of the system of heat storage can 5 with the change of solar radiation, to ensure the complementation of light coal
CFBB can normal table operation.
Step S32, high temperature air is connected with the newly-increased air port 10 of the part of boiler hearth of circulating fluidized bed 11, via burner hearth 11
On newly-increased air port 10 be sent directly into burner hearth 11, mixed with original flue gas, through back-end ductwork superheater 17, reheater 18, save
After coal device 19, air preheater 20 exchange heat, it is expelled directly out by chimney 27.In order to ensure circulating fluidized bed boiler systems with it is tower too
It is positive can be after air heat-collecting system be harmonious, whole system is capable of the operation of safety economy, by control coal-supplying amount, to coal particle size, follow
Fluidized-bed combustion boiler bed temperature is adjusted for ring multiplying power and primary and secondary air ratio, ensures that burner hearth 11 bed temperature is stable and along short transverse
Branch is uniform.
In a particular embodiment of the present invention, step S4 is implemented as：
Step S41, high temperature air are connected with heat storage can 5, are heated via heat dump is returned to after the heat release of heat storage can 5.In order to
After ensureing that circulating fluidized bed boiler systems are harmonious with tower type solar air heat-collecting system, whole system is capable of the fortune of safety economy
OK, by controlling the charge and discharge hot working fluid flow of heat storage can 5, ensure that the hot blast temperature for entering burner hearth 11 is constant, stability of flow.It is tower too
The air output of positive energy system does not change with the help of the system of heat storage can 5 with the change of solar radiation, to ensure the complementation of light coal
CFBB can normal table operation.
Step S42, high temperature air while the overfiren air port 9 with the part of boiler hearth of circulating fluidized bed 11 and newly-increased air port 10
It is connected, is sent directly into burner hearth 11 via the newly-increased air port 10 on burner hearth 11, is mixed with original flue gas, through back-end ductwork superheater
17th, after reheater 18, economizer 19, air preheater 20 exchange heat, it is expelled directly out by chimney 27.
In the case where receiving solar radiation, according to solar radiation situation, tower type solar system heating cold air is simultaneously
Deliver in burner hearth 11, and adjusted by coal-supplying amount, to coal particle size regulation and circulating ratio, Circulating Fluidized Bed Temperature is entered
Row be adjusted to ensure that bed temperature will not overtemperature or branch it is unbalance.When solar radiation deficiency or collecting system break down, cut and stop
Tower type solar collecting system, circulating fluidized bed boiler systems switch back into former pure thermoelectricity operating mode operation.
It is application of the method for the invention in specific example below, concrete application scene is power plant.
It is now assumed that a certain case is analyzed, in present case, CFBB selects certain power plant 130t/h boilers
Design parameter, as shown in table 1.Selected fuel ultimate analysis of coal：Carbon content 49.4%, hydrogen content 3.48%, oxygen content
6.55%, nitrogen content 1.2%, sulfur content 1.88%, content of ashes 31.39%, Lower heat value 20084kJ/kg.Due to recycle stream
Fluidized bed boiler employs in-furnace calcium spraying, converts lime stone quality and after thermal discharge, fuel Lower heat value is 18011.2kJ/kg.
Consider the thermic load and ability to bear of boiler, in present case, tower type solar heliostat field and heat dump parameter
From Forest Soil on Badaling Mountain in Beijing " big fellow " Demonstration Station data, as shown in table 2.The heliostat field in " big fellow " solar energy tower type power station be by
The heliostat that 100 areas are 100m2 (10m*10m) forms, and is that the Department of Science and Technology is heavy in " 863 Program " the Eleventh Five-Year Plan period set up
Point project.The heat-absorbing medium in " big fellow " power station is device of working medium, but selection herein must be air dielectric, therefore need to be to the heat dump thermal efficiency
Converted, it is assumed that air exit temp is 850 DEG C, and it is 0.95 to take conversion factor.To sum up consider, tower type solar output hot merit
About 6.7*0.9*0.95=5.73MW.
According to thermodynamic analysis, according to light coal complementary cycle fluidized-bed combustion boiler technology, boiler coal consumption rate will be by
20492.51kg/h being reduced to 19221.23kg/h, 1271.28kg/h is reduced.It even can be used 1000 hours coupled electricity-generation year, then
The unit can save 1271 tons of coals, and ability of economizing on coal is huge, have great environment protection significance.
Certain the power plant cycle fluidized-bed combustion boiler operational factor of table 1
Table 2 " big fellow " solar power tower design parameter
Claims (10)
1. a kind of light coal complementary cycle fluidized bed boiler systems based on tower photothermal technique, it is characterised in that including solar energy
Heat dump (3), solar heat absorber (3) absorb the energy from sunshine (1), and solar heat absorber (3) is by the energy of absorption
Transmitted by three sections；First paragraph is divided into two-way by air diverter (4) control, is connected all the way with heat storage can (5), another
Road is connected with the overfiren air port (9) of boiler hearth of circulating fluidized bed (11)；Second segment is divided into two by air diverter (4) control
Road, it is connected all the way with heat storage can (5), another way is connected with the newly-increased air port (10) of boiler hearth of circulating fluidized bed (11) part；
3rd section is divided into two-way by air diverter (4) control, is connected all the way with heat storage can (5), another way while and recirculating fluidized bed
The overfiren air port (9) of boiler furnace (11) part is connected with newly-increased air port (10)；Described boiler hearth of circulating fluidized bed (11)
In high temperature air mixed with original flue gas, it is pre- through back-end ductwork superheater (17), reheater (18), economizer (19), air
After hot device (20) heat exchange, it is expelled directly out by chimney (27)；Boiler hearth of circulating fluidized bed (11) bottom is provided with First air
Mouth (8), described solar heat absorber (3) is connected with solar energy accessory fan (22) and heat storage can (5) forms heat absorption working medium
Open circuit.
2. a kind of light coal complementary cycle fluidized bed boiler systems based on tower photothermal technique according to claim 1, its
It is characterised by, described solar heat absorber (3) controls the heat absorption working medium into solar heat absorber (3) by controlling blower fan
Flow, maintain the stabilization of solar heat absorber (3) absorb heat sender property outlet temperature.
3. a kind of light coal complementary cycle fluidized bed boiler systems based on tower photothermal technique according to claim 1, its
It is characterised by, the high temperature air that described solar heat absorber (3) is sent out is connected with heat storage can (5), via heat storage can (5) heat release
After return to heat dump heating (3), by controlling heat storage can (5) charge and discharge hot working fluid flow, guarantee enters CFBB
The hot blast temperature of burner hearth (11) is constant.
4. a kind of light coal complementary cycle fluidized bed boiler systems based on tower photothermal technique according to claim 1, its
It is characterised by, described solar heat absorber (3) assembles sunshine (1) by each heliostat mirror-reflection of heliostat field (2).
5. a kind of light coal complementary cycle fluidized bed boiler systems based on tower photothermal technique according to claim 1, its
It is characterised by, the internal controller of described boiler hearth of circulating fluidized bed (11) is pointed to boiler hearth of circulating fluidized bed (11)
Lime stone dust feeder (6), the coal feeder (7) of bottom are controlled.
6. a kind of light coal complementary cycle fluidized bed boiler systems based on tower photothermal technique according to claim 1, its
It is characterised by, described primary air nozzle (8) place is provided with slag cooler (28) and slag-draining device (29).
7. a kind of light coal complementary cycle fluidized bed boiler systems based on tower photothermal technique according to claim 1, its
It is characterised by, water-cooling wall (12) and water separator (13), institute is installed at the top of described ring fluid bed boiler furnace (11)
Boiler hearth of circulating fluidized bed (11) bottom stated is provided with overfire air fan (23).
8. a kind of light coal complementary cycle fluidized bed boiler systems based on tower photothermal technique according to claim 1, its
It is characterised by, described ring fluid bed boiler furnace (11) internal operation direction is provided with separator (14), and a part passed through
It is expelled directly out after filter through chimney (27), another part is returned by the returning charge air port (15) of separator (14) bottom through material returning device (16)
Winding fluid bed boiler furnace (11).
9. a kind of light coal complementary cycle fluidized bed boiler systems based on tower photothermal technique according to claim 8, its
It is characterised by, described separator (14) bottom is provided with material return blower (21) and primary air fan (24).
10. a kind of light coal complementary cycle fluidized bed boiler systems based on tower photothermal technique according to claim 1, its
It is characterised by, the gas that obtained after back-end ductwork exchanges heat directly is arranged by ash bucket (25) with air-introduced machine (26) by chimney (27)
Go out.
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| CN110319608A (en) * | 2019-07-17 | 2019-10-11 | 哈尔滨锅炉厂有限责任公司 | Utilize the system of tower type solar fused salt collection hot working fluid heating coal-fired boiler hot primary wind |
| CN110748913A (en) * | 2018-07-24 | 2020-02-04 | 青岛科技大学 | Power station boiler waste heat utilization system based on heat storage air temperature communication control |
| CN110748912A (en) * | 2018-07-24 | 2020-02-04 | 青岛科技大学 | Power station boiler waste heat utilization system based on smoke temperature communication control valve |
| CN110906572A (en) * | 2019-12-19 | 2020-03-24 | 西安交通大学 | Photo-thermal torch tower with complementary chemical energy of combustible gas and solar energy |
| CN114659083A (en) * | 2022-03-28 | 2022-06-24 | 西安热工研究院有限公司 | Light and heat coupling high temperature air burning HTAC's coal fired boiler degree of depth peak shaving system |
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| CN110748913A (en) * | 2018-07-24 | 2020-02-04 | 青岛科技大学 | Power station boiler waste heat utilization system based on heat storage air temperature communication control |
| CN110748912A (en) * | 2018-07-24 | 2020-02-04 | 青岛科技大学 | Power station boiler waste heat utilization system based on smoke temperature communication control valve |
| CN110319608A (en) * | 2019-07-17 | 2019-10-11 | 哈尔滨锅炉厂有限责任公司 | Utilize the system of tower type solar fused salt collection hot working fluid heating coal-fired boiler hot primary wind |
| CN110906572A (en) * | 2019-12-19 | 2020-03-24 | 西安交通大学 | Photo-thermal torch tower with complementary chemical energy of combustible gas and solar energy |
| CN114659083A (en) * | 2022-03-28 | 2022-06-24 | 西安热工研究院有限公司 | Light and heat coupling high temperature air burning HTAC's coal fired boiler degree of depth peak shaving system |
| CN114659083B (en) * | 2022-03-28 | 2024-03-26 | 西安热工研究院有限公司 | Light-heat coupling high-temperature air combustion HTAC coal-fired boiler depth peak regulation system |
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Application publication date: 20180309 |