CN108547674A - A kind of packaged type biomass power generation system and electricity-generating method - Google Patents

A kind of packaged type biomass power generation system and electricity-generating method Download PDF

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Publication number
CN108547674A
CN108547674A CN201810623599.2A CN201810623599A CN108547674A CN 108547674 A CN108547674 A CN 108547674A CN 201810623599 A CN201810623599 A CN 201810623599A CN 108547674 A CN108547674 A CN 108547674A
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China
Prior art keywords
heat
outlet
generation system
biomass
power generation
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CN201810623599.2A
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CN108547674B (en
Inventor
王鹏杰
许世森
李小宇
徐越
任永强
樊强
罗丽珍
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Huaneng Clean Energy Research Institute
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Huaneng Clean Energy Research Institute
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K27/00Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
    • F01K27/02Plants modified to use their waste heat, other than that of exhaust, e.g. engine-friction heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02GHOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G1/00Hot gas positive-displacement engine plants
    • F02G1/04Hot gas positive-displacement engine plants of closed-cycle type
    • F02G1/043Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/006Layout of treatment plant
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/06Arrangements of devices for treating smoke or fumes of coolers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Solid-Fuel Combustion (AREA)

Abstract

The invention discloses a kind of packaged type biomass power generation system and electricity-generating methods, including feeding equipment, burner, power generator, heating plant and dust-extraction unit;The outlet of feeding equipment is connected with burner import, the outlet of burner is connected with the import of power generator, the outlet of power generator is connected with the import of heat-exchanger rig, and the outlet of heating plant is connected with the import of dust-extraction unit, and the outlet of dust-extraction unit leads to air;For this electricity generation system using biomass as raw material, burning generates heat smoke, drives hot gas formula electrical power generators, and the heat smoke after power generation can generate hot water by heat-exchange system, realize cogeneration;It is that raw material generates electricity that the biomass being scattered in nature, which may be used, in this electricity generation system, while generating electric power, can also supply hot water, realize cogeneration;In addition, this electricity generation system can be moved according to actual needs, mobile power supply of gathering materials on the spot may be implemented, solve the electrical problem in no power grid area, not only energy conservation and environmental protection, it can be with cogeneration.

Description

A kind of packaged type biomass power generation system and electricity-generating method
Technical field
The present invention relates to biomass generation field, more particularly to a kind of packaged type biomass power generation system and power generation Method.
Background technology
The energy is the important basis of national economy, is human being's production and the required base substance guarantee of life.Currently, the energy Supply relies primarily on the fossil energies such as coal, oil and natural gas, finiteness and fossil resource the exploitation profit of fossil energy resource The environmental problem caused by the process seriously constrains economic and society sustainable development.Biomass energy has green, low Carbon, cleaning, it is renewable the features such as, be a kind of important regenerative resource, be the of the whole world after oil, coal, natural gas The four big energy.
Major way currently with biomass energy is stationary power generation technology, main directly to burn hair including biomass Electricity, Biomass Gasification & Power Generation, biomass are mixed and burned the technologies types such as power generation.Fixed type biological matter generation mode has biomass The big technological merit for the treatment of capacity, but system complex, equipment are huge, biomass is needed to receive storing and transporting system, Chinese patent 201710089083.X discloses a kind of positive pressure biomass gasifying furnace and coal-burning boiler coupled electricity-generation system, feeder unit, gasification Unit, separative element and public work unit, system is more huge, is only used as stationary power generation, can not achieve mobile hair Electricity.Currently, packaged type generating equipment relies primarily on fuel electric generator power generation, but traditional fuel electric generator electricity generation system has Have that noise is big, the defect of power fuel must be used as using fossil energy, in backward oil-poor area and national, since fuel oil is short It lacks, utilization cost is high.
Invention content
In order to overcome the defect of the above-mentioned prior art, the purpose of the present invention is to provide a kind of packaged type biomass power generations System and electricity-generating method have abandoned the use of fossil energy, are generated electricity as raw material using the biomass of abundance, can be with Mobile power supply of gathering materials on the spot is carried out according to reality, solves the electrical problem in no power grid area.Meanwhile it can also by-product heat Water realizes cogeneration.
In order to achieve the above object, the technical scheme is that:
A kind of packaged type biomass power generation system, including feeding equipment 1, burner 2, power generator 3, heat-exchanger rig 4 and dust-extraction unit 5;The outlet of feeding equipment 1 is connected with 2 import of burner, outlet and the power generator 3 of burner 2 Import is connected, and the outlet of power generator 3 is connected with the import of heat-exchanger rig 4, the outlet of heat-exchanger rig 4 and dust-extraction unit 5 into Mouth is connected, and the outlet of dust-extraction unit 5 leads to air;The system is positioned in container, forms packaged type biomass power generation System.
The feeding equipment 1 includes metal shell 8, and the feed hopper 6 at 8 top of metal shell is arranged, is arranged in metal-back In body 8 and outlet section stretches out the screw(-type) feeder 7 outside metal shell 8, and the entrance of screw(-type) feeder 7 connects with the outlet of feed hopper 6 It is logical;Charge raw material is the processing material of Wooden Biomass broken material, herbaceous biomass broken material or two kinds of biomass in nature, is broken Broken biomass length is less than 5cm.
The burner 2 includes insulated case 10, is combustion chamber 9 in insulated case 10, combustion chamber 9 is connected with air blower 11, combustion system is that boiling is bubbled burning, and combustion transformation capability is more than 95%, and sparking mode is diesel oil atomization automatic ignition, is had Online slag-removing ash-cleaning function, when operation, can generate 800~1300 DEG C of heat smokes.
The power generator 3 is hot gas formula power generator, is generated electricity using high temperature heat source;Power generator receives burning dress Set 800~1300 DEG C of heat smokes of generation, while generating electric power, exhaust gas temperature≤600 DEG C, generating efficiency 20~35% it Between.
The hot gas formula power generator is stirling generator.
The heat-exchanger rig 4 is finned heat exchanger or tubular heat exchanger, and heat-exchanger rig receives power generator and exports tail Portion's flue gas, heat smoke walk shell side, and low-temperature receiver water or air walk tube side, and heat exchange efficiency is between 70~100%, flue-gas temperature after heat exchange ≤ 100 DEG C, inflow temperature is 0~25 DEG C, and leaving water temperature is 60~85 DEG C.
The dust-extraction unit 5 uses fiber bag precipitator, and air inlet smoke temperature≤100 DEG C, outlet tail gas is arranged to air, in tail gas Granule density is less than 50mg/m3
The electricity-generating method of the packaged type biomass power generation system, using biomass as raw material, after being crushed to 5cm or less It is sent into the feed hopper 6 of feeding equipment 1, biomass is crushed feedstock transportation to the combustion chamber 9 of burner 2 through screw(-type) feeder 7 In burn, air by air blower 11 enter combustion chamber 9 in, the heat smoke for generation of burning subsequently enters the heat of power generator 3 In case, power generator 3 is driven to generate electricity, the heat smoke being discharged by power generator 3, which enters heat-exchanger rig 4 and heated in shell side, intakes, Hot water is generated, 4 tail flue gas of heat-exchanger rig is subsequently into most of solid particle in tail flue gas in dust-extraction unit 5, is removed, only Tail gas after change is finally arranged to air.
Compared to the prior art compared with it is that raw material is sent out that the biomass being scattered in nature, which may be used, in this electricity generation system Electricity can also supply hot water while generating electric power, realize cogeneration.In addition, this electricity generation system can be according to practical need It is moved, mobile power supply of gathering materials on the spot may be implemented, solve the electrical problem in no power grid area, not only energy conservation and environmental protection, It can be with cogeneration.
Description of the drawings
Fig. 1 is mobile biomass electricity generation system schematic diagram.
Fig. 2 is feeding equipment structural schematic diagram.
Fig. 3 is burner structural schematic diagram.
Specific implementation mode
The present invention is described in detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, a kind of packaged type biomass power generation system, including feeding equipment 1, burner 2, power generator 3, heat-exchanger rig 4 and dust-extraction unit 5;The outlet of feeding equipment 1 is connected with 2 import of burner, the outlet of burner 2 and hair The import of electric installation 3 is connected, and the outlet of power generator 3 is connected with the import of heat-exchanger rig 4, the outlet and dedusting of heat-exchanger rig 4 The import of device 5 is connected, and the outlet of dust-extraction unit 5 leads to air;The system is positioned in container, forms packaged type life Substance electricity generation system.
As the preferred embodiment of the present invention, as shown in Fig. 2, the feeding equipment 1 includes metal shell 8, setting exists The screw(-type) feeder 7 that and outlet section interior in metal shell 8 stretches out outside metal shell 8 is arranged in the feed hopper 6 at 8 top of metal shell, The outlet of the entrance and feed hopper 6 of screw(-type) feeder 7;Charge raw material is Wooden Biomass broken material, draft in nature The processing material of biomass broken material or two kinds of biomass is crushed biomass length and is less than 5cm.
As the preferred embodiment of the present invention, as shown in figure 3, the burner 2 includes insulated case 10, insulated shell It is combustion chamber 9 in body 10, combustion chamber 9 is connected with air blower 11, and combustion system is that boiling is bubbled burning, and combustion transformation capability is more than 95%, sparking mode is diesel oil atomization automatic ignition, has the function of online slag-removing ash-cleaning, and when operation can generate 800~1300 DEG C heat smoke.
As the preferred embodiment of the present invention, the power generator 3 be hot gas formula power generator, using high temperature heat source into Row power generation;Power generator receives 800~1300 DEG C of heat smokes that burner generates, while generating electric power, exhaust gas temperature≤600 DEG C, generating efficiency is between 20~35%.
As the preferred embodiment of the present invention, the hot gas formula power generator is stirling generator.
As the preferred embodiment of the present invention, the heat-exchanger rig 4 is finned heat exchanger or tubular heat exchanger, is changed Thermal receives power generator outlet tail flue gas, and heat smoke walks shell side, and low-temperature receiver water or air walk tube side, heat exchange efficiency 70~ Between 100%, flue-gas temperature≤100 DEG C after heat exchange, inflow temperature is 0~25 DEG C, and leaving water temperature is 60~85 DEG C.
As the preferred embodiment of the present invention, the dust-extraction unit 5 uses fiber bag precipitator, air inlet smoke temperature≤100 DEG C, outlet tail gas is arranged to air, and tail gas middle particle concentration is less than 50mg/m3
Embodiment:
Using nature bulk cargo branch as raw material, it is crushed to the feed hopper 6 of feeding feeding equipment 1 after 5cm or less, is given through spiral Branch is crushed in feedstock transportation to combustion chamber 9 by material machine 7 to burn, and biomass inlet amount is 75kg/h, and air is by air blower 10 enter in the combustion chamber 9 of burner 2, flow 480m3The heat smoke temperature of/h, generation of burning are 1000 DEG C, exhaust gas volumn For 1885m3/ h, heat smoke subsequently enter in the hot tank of stirling generator, and generated output 50kW is discharged by stirling generator Heat smoke temperature be 595 DEG C, 595 DEG C of heat smokes enter in the shell side of finned heat exchanger, tube side inflow be 2.1t/h, into Coolant-temperature gage is 10 DEG C, and leaving water temperature is 70 DEG C, and tail flue gas temperature is 100 DEG C, and tail flue gas is subsequently into fiber bag precipitator In, it removes most of solid particle, purified tail gas middle particle concentration in tail flue gas and is less than 50mg/m3, finally arrange to big Gas.A whole set of electricity generation system grows 4.9 meters, 1.5 meters wide, 1.8 meters high, in 4.5 tons, can be positioned in general container, be formed removable Dynamic formula biomass power generation system.

Claims (8)

1. a kind of packaged type biomass power generation system, which is characterized in that including feeding equipment (1), burner (2), power generation Device (3), heat-exchanger rig (4) and dust-extraction unit (5);The outlet of feeding equipment (1) is connected with burner (2) import, burning The outlet of device (2) is connected with the import of power generator (3), the import phase of the outlet and heat-exchanger rig (4) of power generator (3) Even, the outlet of heat-exchanger rig (4) is connected with the import of dust-extraction unit (5), and the outlet of dust-extraction unit (5) leads to air;The system System is positioned in container, forms packaged type biomass power generation system.
2. a kind of packaged type biomass power generation system according to claim 1, which is characterized in that the feeding equipment (1) include metal shell (8), the feed hopper (6) being arranged at the top of metal shell (8), setting is in metal shell (8) and exports Section stretches out the screw(-type) feeder (7) of metal shell (8) outside, the outlet of the entrance and feed hopper (6) of screw(-type) feeder (7); Charge raw material is the processing material of Wooden Biomass broken material, herbaceous biomass broken material or two kinds of biomass in nature, is crushed Biomass length is less than 5cm.
3. a kind of packaged type biomass power generation system according to claim 1, which is characterized in that the burner (2) include insulated case (10), be combustion chamber (9) in insulated case (10), combustion chamber (9) are connected with air blower (11), burning Mode is that boiling is bubbled burning, and combustion transformation capability is more than 95%, and sparking mode is diesel oil atomization automatic ignition, has online slagging-off Deashing function, when operation, can generate 800~1300 DEG C of heat smokes.
4. a kind of packaged type biomass power generation system according to claim 1, which is characterized in that the power generator (3) it is hot gas formula power generator, is generated electricity using high temperature heat source;Power generator receives 800~1300 that burner generates DEG C heat smoke, while electric power is generated, exhaust gas temperature≤600 DEG C, generating efficiency is between 20~35%.
5. a kind of packaged type biomass power generation system according to claim 4, which is characterized in that the hot gas formula power generation Device is stirling generator.
6. a kind of packaged type biomass power generation system according to claim 1, which is characterized in that the heat-exchanger rig (4) it is finned heat exchanger or tubular heat exchanger, heat-exchanger rig receives power generator outlet tail flue gas, and heat smoke walks shell Journey, low-temperature receiver water or air walk tube side, and heat exchange efficiency is between 70~100%, flue-gas temperature≤100 DEG C after heat exchange, inflow temperature It it is 0~25 DEG C, leaving water temperature is 60~85 DEG C.
7. a kind of packaged type biomass power generation system according to claim 1, which is characterized in that the dust-extraction unit (5) fiber bag precipitator, air inlet smoke temperature≤100 DEG C, outlet tail gas is used to arrange to air, tail gas middle particle concentration is less than 50mg/ m3
8. the electricity-generating method of claim 1 to 7 any one of them packaged type biomass power generation system, which is characterized in that with Biomass is raw material, is crushed to the feed hopper (6) of feeding feeding equipment (1) after 5cm or less, will be biological through screw(-type) feeder (7) Matter, which is crushed in feedstock transportation to the combustion chamber (9) of burner (2), burns, and air enters combustion chamber by air blower (11) (9) in, the heat smoke of generation of burning subsequently enters in the hot tank of power generator (3), drives power generator (3) to generate electricity, by generating electricity The heat smoke of device (3) discharge, which enters heat-exchanger rig (4) and heat in shell side, intakes, generation hot water, heat-exchanger rig (4) tail portion cigarette Gas is finally arranged subsequently into most of solid particle, purified tail gas in tail flue gas in dust-extraction unit (5), is removed to big Gas.
CN201810623599.2A 2018-06-15 2018-06-15 Movable biomass power generation system and power generation method Active CN108547674B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109827167A (en) * 2019-01-30 2019-05-31 曾蒙汉 A kind of string type direct combustion cascaded power generating system and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110003093U (en) * 2009-09-21 2011-03-29 김미순 Methods of Employing Dry Food Garbage and Other Biomasses for Gasfication Power Generation
CN104479719A (en) * 2014-11-18 2015-04-01 东南大学 Movable device and method for preparing liquid fuel by virtue of straw pyrolysis
CN106025313A (en) * 2016-07-15 2016-10-12 中国华能集团清洁能源技术研究院有限公司 Integrated gasification fuel cell power generation system capable of realizing CO2 trapping before combustion
CN106593556A (en) * 2017-01-24 2017-04-26 上海发电设备成套设计研究院 Biomass burning power generation system and method employing supercritical carbon dioxide cycle
CN208416638U (en) * 2018-06-15 2019-01-22 中国华能集团清洁能源技术研究院有限公司 A kind of packaged type biomass power generation system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110003093U (en) * 2009-09-21 2011-03-29 김미순 Methods of Employing Dry Food Garbage and Other Biomasses for Gasfication Power Generation
CN104479719A (en) * 2014-11-18 2015-04-01 东南大学 Movable device and method for preparing liquid fuel by virtue of straw pyrolysis
CN106025313A (en) * 2016-07-15 2016-10-12 中国华能集团清洁能源技术研究院有限公司 Integrated gasification fuel cell power generation system capable of realizing CO2 trapping before combustion
CN106593556A (en) * 2017-01-24 2017-04-26 上海发电设备成套设计研究院 Biomass burning power generation system and method employing supercritical carbon dioxide cycle
CN208416638U (en) * 2018-06-15 2019-01-22 中国华能集团清洁能源技术研究院有限公司 A kind of packaged type biomass power generation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109827167A (en) * 2019-01-30 2019-05-31 曾蒙汉 A kind of string type direct combustion cascaded power generating system and method

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