CN207035091U - CFBB and recirculating fluidized bed combined cycle system - Google Patents
CFBB and recirculating fluidized bed combined cycle system Download PDFInfo
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- CN207035091U CN207035091U CN201720958857.3U CN201720958857U CN207035091U CN 207035091 U CN207035091 U CN 207035091U CN 201720958857 U CN201720958857 U CN 201720958857U CN 207035091 U CN207035091 U CN 207035091U
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Abstract
The utility model belongs to Sector of Cfb Boilers, and in particular to a kind of CFBB and recirculating fluidized bed combined cycle system.CFBB provided by the utility model, including burner hearth, the middle part or bottom of burner hearth are provided with transition chamber, and the side of transition chamber is provided with charging aperture, and the lower end of transition chamber is provided with air compartment；The top of burner hearth is provided with exhanst gas outlet, exhanst gas outlet is connected with the first separator, the gas vent of first separator is connected with back-end ductwork, economizer is installed in back-end ductwork, air preheater is installed below economizer, the outlet of air preheater is connected with waste heat recovery pipe, and waste heat recovery pipe is connected with air compartment.The utility model has the advantages of thermal efficiency is high, safe and reliable to operation, exhaust heat utilization effect is good, energy-saving and emission-reduction, and resource is comprehensively utilized.
Description
Technical field
The utility model belongs to Sector of Cfb Boilers, and in particular to a kind of CFBB and circulation
Fluid bed combined cycle system.
Background technology
Combustion technology of circulating fluidized derives from the catalytic cracking of chemical engineering industry earliest, the purpose is to control ignition temperature,
Make catalyst in optimal reaction temperature section, improve the utilization rate of catalyst, German LURGI at first uses the technology
To coal-burning boiler, the circulating fluidized-bed boiler Combustion technology of industrial extensive utilization have developed.
Circulating fluidized-bed boiler Combustion technology is rapidly being developed in recent ten years, is a kind of high-efficiency low-pollution cleaning
Combustion technology, generate electricity, the field such as industrial production and central heating is widely used, and environmental-protecting performance and energy-saving effect and
Stable operation is to ensure CFBB to high parameter, the necessary condition of Large Copacity development.Relative to traditional fire grate pot
Stove, CFBB have the advantages of efficient, environmental protection, efficiency high；Relative to coal-powder boiler, CFBB has tool
There is wider array of fuel tolerance.
When burning in circulating fluid bed boiler, substantial amounts of heat is contained in the clinker and flue gas that are discharged, in order to save
The energy, respectively adopted in various manners using producer to reclaim heat.In addition, to improve the efficiency of combustion of boiler, reduce because burning
Insufficient wasted energy, respectively also adopt using producer and boiler is transformed in various manners, and reduce two as far as possible
The discharge of the toxic gases such as sulfur oxide, carbon monoxide.
However as the continuous development of industrial technology, requirement for CFBB also more and more higher, and it is existing
Boiler and engineered boiler still have that efficiency of combustion is low, and disposal ability is limited, fail to make full use of the waste heat after burning,
The waste of the energy is caused, is balanced from macroeconomy for upper, the benefit of energy-conservation and bad technical problem.
In consideration of it, special propose the utility model.
Utility model content
First purpose of the present utility model is to provide a kind of CFBB have thermal efficiency height, safe for operation
Reliably, the advantages of exhaust heat utilization effect is good, energy-saving and emission-reduction, and resource is comprehensively utilized.
Second purpose of the present utility model is to provide a kind of recirculating fluidized bed combined cycle system, and the system includes above-mentioned
CFBB, it is possible to increase the utilization rate of resource, reduce energy consumption and operating cost, there is more preferable economic benefit
And environmental benefit.
To achieve the above object, the technical solution adopted in the utility model is：
According to one side of the present utility model, the utility model provides a kind of CFBB, including burner hearth, institute
State the middle part of burner hearth or bottom and be provided with transition chamber, the side of the transition chamber is provided with charging aperture, and the lower end of the transition chamber is provided with
Air compartment；
The top of the burner hearth is provided with exhanst gas outlet, and the exhanst gas outlet is connected with the first separator, described first point
Gas vent from device is connected with back-end ductwork, and economizer is provided with the back-end ductwork, is installed below the economizer
There is air preheater, the outlet of the air preheater is connected with waste heat recovery pipe, the waste heat recovery pipe and the air compartment phase
Connection.
As further preferred technical scheme, once air inlet and secondary air inlet be set on the air compartment, described one
Secondary air inlet is connected by an intake stack with an air-intake device, and the secondary air inlet passes through secondary air pipeline and two
Secondary air-intake device connection, the waste heat recovery pipe are connected with an intake stack and secondary air pipeline respectively.
As further preferred technical scheme, the economizer includes the first economizer and the second economizer, and described first
Second separator is installed on economizer, air preheater is installed below second economizer；
Preferably, material returning device is provided with below second separator, the material returning device separates with described first respectively
Device is connected with the transition chamber.
As further preferred technical scheme, the charging aperture includes coal class A fuel A charging aperture and clean fuel charging aperture,
The coal class A fuel A charging aperture and clean fuel charging aperture are connected by pipeline with feeder and clean fuel conveying equipment respectively.
As further preferred technical scheme, in addition to high temperature superheater and low temperature superheater, first separator according to
It is secondary to be connected with the high temperature superheater and low temperature superheater；
Preferably, the low temperature superheater and high temperature superheater are arranged in the back-end ductwork；
Preferably, the high temperature superheater single-stage arrangement or multistage arrangement, the high temperature superheater of multistage arrangement include pipe
The medium temperature overheater and high temperature superheater of road connection；
Preferably, the arrangement of the high temperature superheater and low temperature superheater also includes reheater system, the reheating
Device system includes low-temperature reheater and high temperature reheater.
As further preferred technical scheme, in addition to deduster, air-introduced machine and chimney, the back-end ductwork is sequentially connected
Deduster, air-introduced machine and chimney, the deduster are also connected with unloader；
Preferably, the first filter screen is provided between the deduster and air-introduced machine, the is provided between the air-introduced machine and chimney
Two filter screens.
As further preferred technical scheme, in addition to oxygen-eliminating device, the oxygen-eliminating device successively with feedwater pump group and economizer
Connection；
Preferably, the feedwater pump group includes the pre feedwater pump and feed pump being sequentially connected, the pre feedwater pump
Outlet branches pipe is connected with the import of the economizer, and the outlet of the economizer is connected with the heating tube of the oxygen-eliminating device.
According to other side of the present utility model, the utility model provides a kind of recirculating fluidized bed combined cycle system,
Including gas turbine generating system, steam turbine power generating and CFBB, the CFBB is upper
The CFBB stated.
As further preferred technical scheme, gas turbine and recirculating fluidized bed pot in the gas turbine generating system
An intake stack in stove connects with secondary air pipeline；
Exhanst gas outlet road connection in steam turbine and recirculating fluidized bed in the steam turbine power generating.
As further preferred technical scheme, the gas turbine connects with an intake stack and secondary air pipeline
Chimney bypass is provided with the pipeline connect；
Preferably, the exhanst gas outlet is connected by main steam line with drum, and the drum passes through pipeline and the steaming
Steam turbine connects.
Compared with prior art, the beneficial effects of the utility model are：
1st, CFBB provided by the utility model, under the middle and lower part of burner hearth setting transition chamber, transition chamber
Side sets air compartment, the lower section installation air preheater of the economizer in back-end ductwork, the outlet connection waste heat of air preheater
Recovery tube, and the waste heat recovery pipe connects with air compartment, and then the cold air to entering air compartment carries out waste heat, not only efficiency of combustion
Height, and make full use of rate burn after waste heat, reduce the waste of resource, while reduce the discharge of toxic gas, have compared with
Good energy-saving benefit and environmental benefit.
2nd, recirculating fluidized bed combined cycle system provided by the utility model, including gas turbine generating system, vapor wheel
Machine electricity generation system and above-mentioned CFBB, waste heat caused by CFBB is on the one hand passed through into vapor wheel
It is used to generate electricity after machine, heat can be reclaimed, and can reduces flue-gas temperature；The exhaust of another aspect gas turbine can enter recycle stream
In fluidized bed boiler, as the air-supply of boiler, the thermal efficiency is high, and safe and reliable to operation, resource is comprehensively utilized.Energy consumption is low simultaneously,
Operating cost is low, energy-saving and emission-reduction, environment-friendly.
3rd, the utility model has reached the waste heat after making full use of burning, avoids the waste of resource, reduces energy resource consumption
Purpose, realize energy-saving and emission-reduction, thermal efficiency height, cogeneration of heat and power, reduce enterprise's production cost technique effect, meet now it is big
The environmental protection and the requirement of sustainable development that power is advocated, have good economic benefit, social benefit and environmental benefit.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the circulating fluid bed boiler structure schematic diagram that the utility model embodiment provides；
Fig. 2 is another circulating fluid bed boiler structure schematic diagram that the utility model embodiment provides；
Fig. 3 is the recirculating fluidized bed combined cycle system structural representation that the utility model embodiment provides.
Icon：1- burner hearths；101- exhanst gas outlets；2- transition chambers；201- charging apertures；3- air compartments；4- first is separated
Device；5- back-end ductworks；6- economizers；The economizers of 61- first；The economizers of 62- second；7- air preheaters；More than 701-
Recovery tubes；Air-intake device of 8-；Intake stack of 801-；9- secondary air devices；901- secondary air pipelines；
10- material returning devices；The separators of 11- second；12- feeders；13- clean fuel conveying equipments；14- high temperature superheaters；15-
Low temperature superheater；16- dedusters；17- air-introduced machines；18- chimneys；19- unloaders；20- oxygen-eliminating devices；21- feedwater pump groups；
211- pre feedwater pumps；212- feed pumps；22- drums；23- gas turbines；24- steam turbines.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " top ", " bottom " " on ", " under ", " left side ",
The orientation or position relationship of the instruction such as " right side ", " interior ", " outer " are based on orientation shown in the drawings or position relationship, merely to just
In description the utility model and simplified description, rather than indicate or imply that signified device or element must be with specifically square
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In a first aspect, present embodiment provides a kind of CFBB, including burner hearth, the middle part of the burner hearth or under
Portion is provided with transition chamber, and the side of the transition chamber is provided with charging aperture, and the lower end of the transition chamber is provided with air compartment；
The top of the burner hearth is provided with exhanst gas outlet, and the exhanst gas outlet is connected with the first separator, described first point
Gas vent from device is connected with back-end ductwork, and economizer is provided with the back-end ductwork, is installed below the economizer
There is air preheater, the outlet of the air preheater is connected with waste heat recovery pipe, the waste heat recovery pipe and the air compartment phase
Connection.
In view of existing CFBB, from the economic equilibrium of totality for, the benefit of energy-conservation is simultaneously bad, burning
Efficiency is low, and heat utilization efficiency is low, and the waste heat of burning fails to recycle the waste for causing the energy, does not meet and is vigorously advocating at present
Environmental protection and sustainable development requirement.The present embodiment mode provides a kind of circulation that can effectively alleviate above-mentioned technical problem
Fluidized-bed combustion boiler.
Present embodiment is provided for and sent below transition chamber by setting transition chamber at the middle part of burner hearth or bottom
The air compartment that wind apparatus is connected；The lower section installation air preheater of economizer in back-end ductwork, the outlet of air preheater
Waste heat recovery pipe is connected, and the waste heat recovery pipe connects with air compartment, further speaking, the waste heat recovery pipe and air-supply arrangement and wind
The pipeline of room connection connection is connected, and then improves the temperature for the cold wind being sent into, can reduce strengthen on the pipeline it is extra pre-
Hot device, equipment investment is not only saved, and improve efficiency of combustion, take full advantage of the waste heat after burning, reduce the wave of resource
Take, while reduce the discharge of toxic gas, it is engineered after boiler thermal output it is high, adaptability is extensive, has preferably energy-conservation
Benefit and environmental benefit.
Second aspect, present embodiment also provide a kind of recirculating fluidized bed combined cycle system, including gas turbine power generation
System, steam turbine power generating and CFBB, the CFBB are above-mentioned recirculating fluidized bed pot
Stove.
Existing gas turbine generating system and steam turbine power generating were all originally independent electricity generation systems, wherein firing
What gas-turbine electricity generation system utilized is clean fuel, and what steam turbine power generating utilized is to heat water, production by coal burning
Raw high temperature and high pressure steam promotes steam turbine, and then realizes the purpose to generate electricity.But existing mode of operation, fail by resource compared with
Good integrates, and causes the wasting of resources, and pollute environment.
To overcome the deficiencies in the prior art, present embodiments provide for a kind of recirculating fluidized bed of good energy-conserving effect
Combined cycle system.On the one hand waste heat caused by CFBB is used to send out by present embodiment after steam turbine
Electricity, can reclaim heat, and and can reduces flue-gas temperature；The exhaust of another aspect gas turbine can enter CFBB
Interior, as the air-supply of boiler, the thermal efficiency is high, and safe and reliable to operation, resource is comprehensively utilized, while energy consumption is low, operating cost
Low, energy-saving and emission-reduction are environment-friendly.
With reference to specific embodiments and the drawings, the utility model is described in further detail.
Embodiment one
As shown in figure 1, the present embodiment provides a kind of CFBB, including burner hearth 1, the middle part or bottom of burner hearth 1
Provided with transition chamber 2, the side of transition chamber 2 is provided with charging aperture 201, and the lower end of transition chamber 2 is provided with air compartment 3；
The top of burner hearth 1 is provided with exhanst gas outlet 101, and exhanst gas outlet 101 is connected with the first separator 4, the first separator 4
Gas vent be connected with back-end ductwork 5, economizer 6 is installed, it is pre- that the lower section of economizer 6 is provided with air in back-end ductwork 5
Hot device 7, the outlet of air preheater 7 are connected with waste heat recovery pipe 701, and waste heat recovery pipe 701 is connected with air compartment 3.
On above-mentioned embodiment basis, further, once air inlet and secondary air inlet are set on air compartment 3,
Air inlet is connected by an intake stack 801 with an air-intake device 8, and secondary air inlet passes through secondary air pipeline
901 are connected with secondary air device 9, and waste heat recovery pipe 701 connects with an intake stack 801 and secondary air pipeline 901 respectively
Connect.
Present embodiment is connected with an intake stack 801 and secondary air pipeline 901 respectively by waste heat recovery pipe 701
Setting so that be heated in advance into the gas in burner hearth, can reduce the setting of gas preheater, saved cost, be advantageous to
Fully burning, efficiency of combustion is improved, reduces the discharge of toxic gas, and prevent the waste of heat, had higher comprehensive
Close value.
By the isostructural setting of transition chamber, the scope of application of boiler oil can be improved, meets the burning of different fuel, protected
Stability, heat-transfer intensity and the boiler efficiency of burning are demonstrate,proved, fuel tolerance is wide, easily operated, flameholding.
Alternatively, the top of burner hearth is provided with least one exhanst gas outlet, such as can be one, two, three or four.
Further, the Hou Qiang tops of burner hearth set three exhanst gas outlets, and three exhanst gas outlets connect three the respectively
One separator.
Further, two exhanst gas outlets of left side wall top setting of burner hearth, right-side wall two exhanst gas outlets of setting, four
Exhanst gas outlet connects four the first separators respectively.
The first described separator can be cyclone separator.By the setting of multiple exhanst gas outlets, it is applicable to large-scale
Boiler plant, be advantageous to improve production efficiency, and the separative efficiency of separator.
On above-mentioned embodiment basis, further, economizer 6 includes the first economizer 61 and the second economizer
62, the second separator 11 is installed, the lower section of the second economizer 62 is provided with air preheater 7 on first economizer 61；
Preferably, the lower section of the second separator 11 is provided with material returning device 10, material returning device 10 respectively with the first separator 4 and mistake
Room 2 is crossed to be connected.
Pass through the first separator 4, the second separator 11, the first economizer 61, the second economizer 62 and air preheater 7
Setting, be favorably improved separative efficiency and heat transfer effect, and then improve efficiency of combustion, reduce pollution.
On above-mentioned embodiment basis, further, charging aperture 201 includes coal class A fuel A charging aperture and clean fuel
Charging aperture, coal class A fuel A charging aperture and clean fuel charging aperture pass through pipeline and feeder 12 and clean fuel conveying equipment respectively
13 connections.
Described clean fuel can be natural gas, treated coke-stove gas, bio-fuel etc..In present embodiment
Boiler can both burn coal class A fuel A, may also be used for the clean fuel that burns, and the scope of application is wider.
Described feeder comprises at least one, can be two, three or four.
On above-mentioned embodiment basis, further, CFBB also includes high temperature superheater 14 and low
Warm superheater 15, the first separator 4 connect with high temperature superheater 14 and low temperature superheater 15 successively；
Preferably, low temperature superheater 15 and high temperature superheater 14 are arranged in back-end ductwork 5；
Preferably, the single-stage of high temperature superheater 14 arrangement or multistage arrangement, the high temperature superheater of multistage arrangement include pipeline
The medium temperature overheater and high temperature superheater of connection；
Preferably, the arrangement of high temperature superheater 14 and low temperature superheater 15 also includes reheater system, reheater system
System includes low-temperature reheater and high temperature reheater.Further, the reheater system is some forms closed bribery by pipeline connection
The low-temperature reheater and high temperature reheater bribed.
By the setting of high temperature superheater, low temperature superheater, low-temperature reheater, high temperature reheater, boiler is favorably improved
The security of operation so that boiler has preferable atmospheric temperature property under various loads, be favorably improved equipment security and
Service life.
On above-mentioned embodiment basis, further, CFBB also includes deduster 16, air-introduced machine 17
With chimney 18, back-end ductwork 5 is sequentially connected deduster 16, air-introduced machine 17 and chimney 18, and deduster 16 is also connected with unloader 19；
Preferably, the first filter screen is provided between deduster 16 and air-introduced machine 17, the is provided between air-introduced machine 17 and chimney 18
Two filter screens.
The material separated from the second separator is on the one hand back to the first separator by material returning device and transition chamber follows
Ring burns, and on the other hand not separated fine grained enters back-end ductwork with flue gas, in back-end ductwork through low temperature superheater,
After the heat exchange such as high temperature superheater, economizer cooling, chimney is flowed to by deduster, blower fan, is arranged to air.
Alternatively, deduster uses sack cleaner, and cost performance is higher.And setting by the first filter screen and the second filter screen
Put, can further clean, improve efficiency of dust collection, reduce pollution, avoid causing air larger pollution.
As shown in Fig. 2 on above-mentioned embodiment basis, further, CFBB also includes oxygen-eliminating device
20, oxygen-eliminating device 20 connects with feedwater pump group 21 and economizer 6 successively；
Preferably, the pump group 21 that feeds water includes the pre feedwater pump 211 and feed pump 212 being sequentially connected, pre feedwater pump 211
Outlet branches pipe be connected with the import of economizer 6, the outlet of economizer 6 is connected with the heating tube of oxygen-eliminating device 20.
Oxygen-eliminating device can not only remove the dissolved oxygen in boiler feedwater, and can remove in water dissociate carbon dioxide, ammonia,
The corrosive gas such as hydrogen sulfide.By the setting of oxygen-eliminating device, the corruption to equipment such as boiler feedwater pipeline, economizers can be reduced
Erosion, extension device service life.
In the present embodiment, the outlet main line of pre feedwater pump is connected with feed pump, the outlet branches pipe of pre feedwater pump
Be connected with the import of economizer, condensate under the driving of pre feedwater pump, economizer heating and cooled flue gas, recovery it is remaining
Oxygen-eliminating device is heat-fed, heats and uses as deoxygenation, and then improves the recovery utilization rate of heat, reduces cost.
As shown in figure 3, the present embodiment also provides a kind of recirculating fluidized bed combined cycle system, including gas turbine power generation system
System, steam turbine power generating and CFBB, CFBB are above-mentioned CFBB.
On above-mentioned embodiment basis, further, gas turbine 23 and circulation in gas turbine generating system
An intake stack 801 and secondary air pipeline 901 in fluidized-bed combustion boiler connect；
Steam turbine 24 in steam turbine power generating is connected with the exhanst gas outlet road in recirculating fluidized bed.
CFBB, steam turbine and gas turbine in the present embodiment can isolated operations.
Alternatively, steam turbine is the condensing type steam turbine that draws gas.
Alternatively, gas turbine is combustion-supporting type gas turbine, i.e., by the row of the high temperature of gas turbine, oxygen content about 15%
Gas, fully enter in CFBB, the air-supply as boiler.Fuel gas temperature, and boiler are further improved in boiler
High-temperature flue gas produces high-temperature high-pressure overheat steam together, drives the generating set of steam turbine to generate electricity.
Alternatively, CFBB is the CFBB of the burner with two-phase double fuel.
On above-mentioned embodiment basis, further, gas turbine 23 and an intake stack 801 and secondary air
Chimney bypass is provided with the pipeline that pipeline 901 connects；
Preferably, exhanst gas outlet is connected by main steam line with drum 22, and drum 22 passes through pipeline and steam turbine 24
Connection.
The recirculating fluidized bed combined cycle system that present embodiment provides, the waste heat after making full use of burning is reached, has kept away
Exempt from the waste of resource, reduced the purpose of energy resource consumption, realize energy-saving and emission-reduction, thermal efficiency height, cogeneration of heat and power, the life of reduction enterprise
Produce cost technique effect, meet now advocate energetically environmental protection and sustainable development requirement, have good economic benefit,
Social benefit and environmental benefit.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
- A kind of 1. CFBB, it is characterised in that including burner hearth, the middle part or bottom of the burner hearth are provided with transition chamber, The side of the transition chamber is provided with charging aperture, and the lower end of the transition chamber is provided with air compartment；The top of the burner hearth is provided with exhanst gas outlet, and the exhanst gas outlet is connected with the first separator, first separator Gas vent be connected with back-end ductwork, economizer is installed, installation is free below the economizer in the back-end ductwork Air preheater, the outlet of the air preheater are connected with waste heat recovery pipe, and the waste heat recovery pipe is connected with the air compartment.
- 2. CFBB according to claim 1, it is characterised in that once air inlet is set on the air compartment And secondary air inlet, an air inlet are connected by an intake stack with an air-intake device, the secondary air inlet Be connected by secondary air pipeline with secondary air device, the waste heat recovery pipe respectively with an intake stack and secondary Intake stack connects.
- 3. CFBB according to claim 1, it is characterised in that the economizer include the first economizer and Second economizer, the second separator is installed on first economizer, air preheat is installed below second economizer Device；Be provided with material returning device below second separator, the material returning device respectively with first separator and the transition Room is connected.
- 4. CFBB according to claim 1, it is characterised in that the charging aperture is fed including coal class A fuel A Mouthful and clean fuel charging aperture, the coal class A fuel A charging aperture and clean fuel charging aperture are respectively by pipeline and feeder and clean Net fuel hauling equipment connection.
- 5. CFBB according to claim 1, it is characterised in that also including high temperature superheater and cryogenic overheating Device, first separator connect with the high temperature superheater and low temperature superheater successively.
- 6. CFBB according to claim 1, it is characterised in that also including deduster, air-introduced machine and chimney, The back-end ductwork is sequentially connected deduster, air-introduced machine and chimney, and the deduster is also connected with unloader.
- 7. according to the CFBB described in any one of claim 1~6, it is characterised in that described also including oxygen-eliminating device Oxygen-eliminating device connects with feedwater pump group and economizer successively.
- 8. a kind of recirculating fluidized bed combined cycle system, including gas turbine generating system, steam turbine power generating and circulation Fluidized-bed combustion boiler, it is characterised in that the CFBB is the recirculating fluidized bed described in any one of claim 1~7 Boiler.
- 9. recirculating fluidized bed combined cycle system according to claim 8, it is characterised in that the gas turbine power generation system An intake stack and the connection of secondary air pipeline in gas turbine and CFBB in system；Exhanst gas outlet road connection in steam turbine and recirculating fluidized bed in the steam turbine power generating.
- 10. recirculating fluidized bed combined cycle system according to claim 9, it is characterised in that the gas turbine and institute State and be provided with chimney bypass on the pipeline that an intake stack connects with secondary air pipeline.
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| CN201720958857.3U CN207035091U (en) | 2017-08-03 | 2017-08-03 | CFBB and recirculating fluidized bed combined cycle system |
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| CN201720958857.3U CN207035091U (en) | 2017-08-03 | 2017-08-03 | CFBB and recirculating fluidized bed combined cycle system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270280A (en) * | 2017-08-03 | 2017-10-20 | 贵州诺威施生物工程有限公司 | CFBB and recirculating fluidized bed combined cycle system |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107270280A (en) * | 2017-08-03 | 2017-10-20 | 贵州诺威施生物工程有限公司 | CFBB and recirculating fluidized bed combined cycle system |
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Effective date of registration: 20180425 Address after: 551108 Yin an village, Wenquan Town, Xifeng County, Guiyang, Guizhou Patentee after: Guizhou Western Industrial Co., Ltd. Address before: 550000 Yin an village, Wenquan Town, Xifeng County, Guiyang, Guizhou Patentee before: Guizhou Shi Norwich Biological Engineering Co. Ltd. |