CN105907426A - Solar energy and biomass coupled heat-electricity-cool triplex cogeneration system - Google Patents

Solar energy and biomass coupled heat-electricity-cool triplex cogeneration system Download PDF

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Publication number
CN105907426A
CN105907426A CN201610227069.7A CN201610227069A CN105907426A CN 105907426 A CN105907426 A CN 105907426A CN 201610227069 A CN201610227069 A CN 201610227069A CN 105907426 A CN105907426 A CN 105907426A
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China
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biomass
water
energy
heat
solar
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李洪强
张晓烽
王飞
曾蓉
康书硕
张国强
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Hunan University
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Hunan University
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/54—Gasification of granular or pulverulent fuels by the Winkler technique, i.e. by fluidisation
    • C10J3/56—Apparatus; Plants
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/82—Gas withdrawal means
    • C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
    • F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0903—Feed preparation
    • C10J2300/0906—Physical processes, e.g. shredding, comminuting, chopping, sorting
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0903—Feed preparation
    • C10J2300/0909—Drying
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0916—Biomass
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/16—Integration of gasification processes with another plant or parts within the plant
    • C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/16—Integration of gasification processes with another plant or parts within the plant
    • C10J2300/1671—Integration of gasification processes with another plant or parts within the plant with the production of electricity
    • 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
    • Y02E20/14—Combined heat and power generation [CHP]
    • 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
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/133—Renewable energy sources, e.g. sunlight
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a solar energy and biomass coupled heat-electricity-cool triplex cogeneration system. The system comprises a biomass preheater, a biomass crusher, a bubbling fluidized bed vaporizing furnace, a cyclone separation deduster, a first heat exchanger, a gas-water separator, an air diverter, a water pump, a trough solar collector, an internal combustion engine generating set, a lithium bromide absorption set, a second heat exchanger and a solution absorption dehumidifying set. The system fully utilizes renewable energy and further improves the energy utilization rate. The system comprehensively utilizes two types of energy, comprising biomass and solar energy, and couples and integrates the two types of energy to realize the advantage complementation of the two types of energy. The overall energetic efficiency of the system reaches up to 77.4%, and the system is of great significance to optimize the energy structure, protect environment, reduce emission of greenhouse gas and tackle climate change.

Description

A kind of cooling-heating treatment system of coupled solar and biomass
Technical field
The present invention relates to energy technology field, a kind of coupled solar and the cold, heat and electricity three-way of biomass Product system.
Background technology
For a long time, energy problem always is the basic guarantee of human survival and development, and fossil energy is to work as The key component of former world energy resource structure.Along with the consumption of the fossil energy such as coal, oil, originally become Energy circulation in balance is destroyed, and fossil energy is while burning releases energy, and substantial amounts of carbon element discharges, Break ecological balance.The amount of carbon dioxide that fossil energy burning discharges is far beyond green plants light The absorbability of cooperation.The phenomenons such as a series of depletions of the ozone layer of bringing therewith, adverse weather so that people The eco-environmental pressure faced is increasing.Reserves of exploiting natural resources are big, the regenerative resource of cleanliness without any pollution For sustainable development important in inhibiting.Wherein solar energy and biomass are considered because of the advantage of its uniqueness Being the potential alternative energy source of Fossil fuel, its high-efficiency cleaning utilizes technology to receive significant attention.
Solar energy has reserves unlimitedness, there is universality, utilizes spatter property and the exploitation warp stepped up The advantages such as Ji property, make one of effective way of solution energy shortage, environmental pollution.Solar energy optical-thermal Transformation technology utilizes solar radiant energy to be converted into heat energy, has long-term experience accumulation and application prospect.With water As direct heat transfer working medium, it is provided that the latent heat of vaporization required for gasification reaction, it is converted into internal steam work, passes through The gasification reaction that the form of internal steam work participates in and biomass are carried out at relatively high temperatures, indirect reformer is synthesis Chemistry energy, it is achieved grade promotes indirectly.
Biomass are compared with other energy, widely distributed, environmental effect is less, sustainable use, is unique Reproducible carbon source.But there is also the shortcomings such as resource distribution dispersion, energy density be low, directly burn biology Quality utilization ratio is low, and release exhaust gas dust causes environmental pollution.Biomass gasification technology is by low energy densities Biomass be converted into synthesis gas easy to use so that the chemical energy of fuel is transferred in synthesis gas, improve Combustion gas utilization ratio.
Cooling-heating treatment system is to integrate generating, the distributed energy resource system heating, freezing, and passes through The high-grade heat energy of fuel combustion is used for generating electricity, and low grade heat energy is used for heat supply, freezes or dehumidify, it is achieved cold Cogeneration of heat and power and the cascade utilization of the energy.The cooling-heating treatment system of coupled solar and biomass considers too Sun can the feature of economy heat-collecting temperature and biomass gasification reaction temperature, Yi Jigong, cold, wet and for realizing The comprehensive cascade utilization of the energy, improves the performance of system.Distributed gasification of biomass energy supplying system is collected nearby Solid bio-fuel, it is to avoid the energy resource consumption of low-density raw material long distance delivery and expense, plays product various Property advantage, meet terminal use's demand to various energy resources such as gas, hot and cold, electric, dehumidifying, simultaneously profit Thering is provided the gasification latent heat required for gasification reaction with middle low-temperature solar energy heat-collecting capacity, indirect reformer is synthesis gasification Learning can, it is achieved the grade of energy promotes.
The subject matter at present research of the biomass co-generation system of existing design concept and embodiment existed : 1) biomass co-generation system is using biomass as main raw material sources, and renewable energy utilization is single, Real meaning is not had to realize multi-energy complementation and appropriateness, good application.2) biomass co-generation system output products Lack of diversity, mainly based on cogenerated products, cool and thermal power, even dehumidifying are applied less, it is impossible to meet eventually The multiformity of end subscriber energy demand.3) achieved fuel chemical energy grade by Biomass Gasification & Power Generation Promote, and the most efficiently utilize the residual heat resources in biomass synthesis gas and power generation process, it is achieved combining of heat energy Closing cascade utilization is also the key issue needing to solve.
Summary of the invention
(1) to solve the technical problem that
In order to improve co-generation system overall energetic efficiency to greatest extent, it is mutual that real meaning realizes renewable energy comprehensive Mending and utilize, meet the product demand of different user, improve the comprehensive cascade utilization of residual heat resources, the present invention proposes A kind of cooling-heating treatment system of coupled solar and biomass.
(2) technical scheme
In order to achieve the above object, the invention provides the cold, heat and electricity three-way of a kind of coupled solar and biomass Product system, this system includes biomass preheater, biomass pulverizer, bubbling fluidization bed gasification furnace, whirlwind Separator, First Heat Exchanger, air-water separator, air diverter, water pump, groove type solar thermal-arrest Device, oil-electric engine group, lithium bromide absorption-type machine unit, the second heat exchanger and solution absorbed moisture removing unit.
Wherein: biomass preheater, for dried biomass, the water content of biomass is reduced；Biomass powder Broken machine, for being broken into granular material by biomass material；Bubbling fluidization bed gasification furnace, for biomass and Air, steam participate in gasification reaction, generate synthesis gas, meet oil-electric engine group demand for fuel；Rotation Wind separator, for the synthesis gas of bubbling fluidization bed gasification furnace outlet is carried out udst separation process, removes Remove the impurity such as the ash in synthesis gas and charcoal granule；First Heat Exchanger, utilizes the high temperature heat of synthesis gas to preheat Air, to produce heat, meets dried biomass and gasification reaction requirement, heats a part of inlet side simultaneously Domestic hot-water, meets user's domestic hot-water's demand；Air-water separator, is used for removing in synthesis gas and condenses Moisture；Air diverter, for utilizing the air of preheating, on the one hand being passed through biomass preheater is dried life Material, on the one hand being passed through bubbling fluidization bed gasification furnace meets the demand of gasification reaction；Water pump, for 0.1MPa, The water of 25 DEG C carries out pressurized treatments, is passed in trough type solar heat-collector；Trough type solar heat-collector, with Water, as heat absorption working medium, utilizes solar thermal energy to add hot water, to produce steam, meets bubbling fluidized bed gasification The demand of gasification reaction in stove；Oil-electric engine group, utilizes the synthesis gas acting generating through purified treatment, Meet the electric demand that user is properly functioning with maintaining unit；Lithium bromide absorption-type machine unit, uses lithium-bromide solution, For utilizing the fume afterheat of oil-electric engine group to produce chilled water and hot water, to meet user's refrigeration demand； Second heat exchanger, for the waste heat utilizing lithium bromide absorption-type machine unit to export, heats the life of a part of inlet side Hot water, meets user's domestic hot-water's demand；Solution absorbed moisture removing unit, is used for utilizing oil-electric engine The jacket water waste heat of group, dehumidifies to demand building so that heat energy Appropriate application.
(3) beneficial effect
From technique scheme it can be seen that the method have the advantages that
1, the present invention provide coupled solar and the cooling-heating treatment system of biomass, by by solar energy With effectively integrating of two kinds of renewable energy technologies of biomass, play respective advantage, make full use of middle low temperature Solar energy, improves biomass gasification process efficiency so that cold efficiency gas reaches 59.3%, realizes not simultaneously Boil on the nape opposite the mouth Appropriate application with regenerative resource so that system total energy efficiency reaches 77.4%.
2, the present invention provide coupled solar and the cooling-heating treatment system of biomass, biomass are as one Plant aboundresources, clean regenerative resource, will growth course absorb during further trans-utilization Carbon dioxide be re-released in air, constitute the continuous circulation of carbon dioxide, it utilizes to a certain degree On can realize carbon dioxide zero discharge, thus reduce greenhouse gas emission；
3, the present invention provide coupled solar and the cooling-heating treatment system of biomass, solar energy is as one Planting clean regenerative resource, by trough type solar heat-collector, in generating with water for heat-conducting medium, warm water steams Gas, solar energy optical-thermal switch technology provides the gasification latent heat of a part of steam for gasification reaction, passes through steam Participate in biomass gasification reaction, be syngas chemistry energy by low temperature heat energy indirect reformer in solar energy, it is achieved product Interdigit connects lifting；
4, the present invention provide coupled solar and the cooling-heating treatment system of biomass, by by low-yield The biomass of density are converted to the electric energy of high-quality, and the residual heat resources of the most different grades are used for producing life heat Water, heat supply, freeze, dehumidify, it is achieved that the comprehensive cascade utilization of different grade residual heat resources；
5, the present invention provide coupled solar and the cooling-heating treatment system of biomass, make full use of gasification During the residual heat resources of synthesis gas, the high-temperature residual heat resource of synthesis gas is reclaimed, goes out synthesis simultaneously Condensed water in gas, not only further purified treatment synthesis gas, also makes the waste heat in biomass gasification process Resource obtains abundant Appropriate application；
6, the present invention provide coupled solar and the cooling-heating treatment system of biomass, system product export Multiformity: domestic hot-water, heat supply, freeze, dehumidify, meets the difference in functionality user demand to various energy resources；
7, the present invention provide coupled solar and the cooling-heating treatment system of biomass, region be directly facing user, Solve biomass dispersion, problem that energy density is low, abundant for electrical network end or remote and biomass resource Area provides energy, reduces the energy consumption in course of conveying, improves the aggregate efficiency of system.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the cooling-heating treatment system of the coupled solar that provides of the present invention and biomass.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, And referring to the drawings, the present invention is described in more detail.
As it is shown in figure 1, be the coupled solar that provides of the present invention and the cooling-heating treatment system of biomass Schematic diagram, this system includes biomass preheater, biomass pulverizer, bubbling fluidization bed gasification furnace, whirlwind Separator, First Heat Exchanger, air-water separator, air diverter, water pump, groove type solar thermal-arrest Device, oil-electric engine group, lithium bromide absorption-type machine unit, the second heat exchanger and solution absorbed moisture removing unit.
Biomass material (1) through air (9) preheating of 200 DEG C, removes biomass in biomass preheater Free moisture in raw material so that biomass material moisture is down to about 10%.Through dried Biomass material (2) enters biomass pulverizer and is ground, and makes biomass material particle diameter in 1-2mm scope In.Biomass material (3) through dried enters fluidized-bed gasification furnace, the air (10) with 200 DEG C (vapor pressure is 0.1MPa, and gasification temperature is in steam (13) mixing generating gasification reaction with 350 DEG C 890 DEG C), the high-temperature synthesis gas (4) containing solid particulate matter initially enters separation cyclone scrubber and removes wherein Ash grade solid particulate matter (30), enter back into First Heat Exchanger and carry out recuperation of heat, preheated air (7) is extremely 200 DEG C and produce the domestic hot-water (28) of 80 DEG C, final temperature is down to the synthesis gas (6) of 25 DEG C through air-water Condensed water (31) isolated by separator.It is preheated to the sky of 200 DEG C through high-temperature synthesis gas in First Heat Exchanger Gas (8) shunts through air diverter, is respectively used to dried biomass and participates in gasification reaction as gasifying agent. During solar energy heating, 25 DEG C, the water (11) of 0.1MPa pressurize through water pump, be passed through groove type solar Low-grade solar thermal energy in absorbing in heat collector, produces the steam (13) of 350 DEG C as biomass gasification reaction Gasifying agent.
Synthesis gas (14) through purified treatment is passed through oil-electric engine group and air (15) mixed combustion Generating, the flue gas (16) producing about 400-500 DEG C initially enters lithium bromide absorption refrigerating set, produces 7 DEG C of chilled waters (23)；Subsequently into the second heat exchanger heat exchange, produce the domestic hot-water (25) of 80 DEG C, finally The flue gas (18) of about 120 DEG C is emitted into air.Meanwhile, the low temperature cylinder that oil-electric engine group produces Set water (19), for providing low temperature exhaust heat for solution absorbed moisture removing unit, produces the sky meeting dehumidification requirements Gas (21), provides the user dehumidifying load.
The cooling-heating treatment system and device of coupled solar provided by the present invention and biomass is being embodied as Example can use major parameter as shown in table 1.Choose rice husk as object of study, defeated with 1400kg/h rice husk Entering amount to calculate, gasification air amount is 2546kg/h, and steam input quantity is 560kg/h.Choose wide simultaneously Region of Southeast solar energy irradiation index as reference, number about 2200-3000 hour during year irradiation, year radiate Total amount 4200-5800MJ/m2, 1050-1400kWh/m2, standard illumination average sunshine time next year 3.8-4.45 Hour.
Table 1
Table 2
In the present invention, solar energy heating amount is 477kW, and the input ratio accounting for system gross energy is 8.59%, raw During gasification substance, cold efficiency gas reaches 59.3%, and system total energy efficiency is 77.4%.From design is analyzed Learning, present system realizes hot and cold, electric, the Poly-generation of dehumidifying, meets the demand of difference in functionality user, The most integrated multiple renewable energy sources, reduces the pollutant of Fossil fuel discharge, it is achieved that regenerative resource Comprehensive utilization.

Claims (6)

1. a coupled solar and the cooling-heating treatment system of biomass, it is characterized in that, this system includes biomass preheater, biomass pulverizer, bubbling fluidization bed gasification furnace, separation cyclone scrubber, First Heat Exchanger, air-water separator, air diverter, water pump, trough type solar heat-collector, oil-electric engine group, lithium bromide absorption-type machine unit, the second heat exchanger and solution absorbed moisture removing unit, wherein:
Biomass preheater, for dried biomass, reduces the water content of biomass；
Biomass pulverizer, for being broken into granular material by biomass material；
Bubbling fluidization bed gasification furnace, participates in gasification reaction for biomass and air, steam, generates synthesis gas, meet oil-electric engine group demand for fuel；
Separation cyclone scrubber, for the synthesis gas of bubbling fluidization bed gasification furnace outlet is carried out udst separation process, removes the ash in combustion gas and charcoal granule；
First Heat Exchanger, utilizes the high temperature heat preheated air of synthesis gas, to produce heat, meets dried biomass and gasification reaction requirement, heats a part of inlet side domestic hot-water simultaneously, meet user's domestic hot-water's demand；
Air-water separator, for removing the moisture condensed in synthesis gas；
Air diverter, for utilizing the air of preheating, is on the one hand passed through biomass preheater dried biomass, and on the one hand being passed through bubbling fluidization bed gasification furnace meets the demand of gasification reaction；
Water pump, for 0.1MPa, 25 DEG C of water are carried out pressurized treatments, is passed in trough type solar heat-collector；
Trough type solar heat-collector, using water as heat absorption working medium, utilizes solar thermal energy to add hot water, to produce steam, meets the demand of gasification reaction in bubbling fluidization bed gasification furnace；
Oil-electric engine group, utilizes the synthesis gas acting generating through purified treatment, meets the electric demand that user is properly functioning with maintaining unit；
Lithium bromide absorption-type machine unit, uses lithium-bromide solution, for utilizing the fume afterheat of oil-electric engine group to produce chilled water and hot water, to meet user's refrigeration demand；
Second heat exchanger, for the waste heat utilizing lithium bromide absorption-type machine unit to export, heats a part of inlet side domestic hot-water, meets user's domestic hot-water's demand；
Solution absorbed moisture removing unit, for utilizing the jacket water waste heat of oil-electric engine group, dehumidifies to demand building, Appropriate application low temperature exhaust heat.
The cooling-heating treatment system of coupled solar the most according to claim 1 and biomass, it is characterised in that this cooling-heating treatment system uses biomass and solar energy for input raw material, belongs to complementary between regenerative resource.
The cooling-heating treatment system of coupled solar the most according to claim 1 and biomass, it is characterised in that described First Heat Exchanger and the second heat exchanger provide domestic hot-water jointly, meets user's domestic hot-water's demand.
The cooling-heating treatment system of coupled solar the most according to claim 1 and biomass, it is characterised in that described air diverter is divided into the preheated air of two strands of different flows, each leads into biomass preheater and bubbling fluidization bed gasification furnace；
The cooling-heating treatment system of coupled solar the most according to claim 4 and biomass, it is characterized in that biomass material is preheated by the portion of air that described biomass preheater utilizes air diverter to shunt, reduce biomass water content, improve gasification reaction efficiency.
The cooling-heating treatment system of coupled solar the most according to claim 4 and biomass, it is characterized in that, participate in gasification reaction together with the steam of portion of air that in described bubbling fluidization bed gasification furnace, dried biomass material shunts with air diverter, trough type solar heat-collector outlet, generate synthesis gas.
CN201610227069.7A 2016-04-13 2016-04-13 Solar energy and biomass coupled heat-electricity-cool triplex cogeneration system Pending CN105907426A (en)

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