CN110319621B - Coupling system of bio-based solid oxide fuel cell and ground source heat pump - Google Patents

Coupling system of bio-based solid oxide fuel cell and ground source heat pump Download PDF

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CN110319621B
CN110319621B CN201910579867.XA CN201910579867A CN110319621B CN 110319621 B CN110319621 B CN 110319621B CN 201910579867 A CN201910579867 A CN 201910579867A CN 110319621 B CN110319621 B CN 110319621B
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heat
outlet
inlet
heat exchanger
heat exchange
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CN110319621A (en
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王少杰
李洪强
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Shaoyang University
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Shaoyang 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
    • C10J3/72—Other features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/18—Hot-water central heating systems using heat pumps
    • 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
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type
    • 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
    • F25B30/00—Heat pumps
    • F25B30/06—Heat pumps characterised by the source of low potential heat
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
    • H01M8/04701—Temperature
    • H01M8/04708—Temperature of fuel cell reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
    • 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
    • C10J2300/092—Wood, cellulose
    • 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
    • C10J2300/164—Integration of gasification processes with another plant or parts within the plant with conversion of synthesis gas
    • C10J2300/1643—Conversion of synthesis gas to energy
    • C10J2300/1646—Conversion of synthesis gas to energy integrated with a fuel cell
    • 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
    • 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
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1861—Heat exchange between at least two process streams
    • C10J2300/1869—Heat exchange between at least two process streams with one stream being air, oxygen or ozone
    • 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
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1861—Heat exchange between at least two process streams
    • C10J2300/1884—Heat exchange between at least two process streams with one stream being synthesis gas
    • 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
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1861—Heat exchange between at least two process streams
    • C10J2300/1892—Heat exchange between at least two process streams with one stream being water/steam
    • 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
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • 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

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  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Fuel Cell (AREA)

Abstract

The invention relates to a coupling system of a bio-based solid oxide fuel cell and a ground source heat pump. The system comprises a biomass gasification subsystem, a fuel cell power generation subsystem and a waste heat utilization subsystem which are connected in sequence; the biomass gasification subsystem comprises a biomass supply unit, a biomass gasification unit, a heat exchange feedback unit and a synthesis gas cleaning device which are sequentially connected in series; the heat exchange feedback unit reacts on the biomass supply unit and the biomass gasification unit through pipelines; the fuel cell power generation subsystem comprises a preheating heat exchange unit, a fuel cell and a waste heat boiler which are sequentially connected in series, wherein an outlet of the waste heat boiler is connected with a heat flow inlet on the preheating heat exchange unit, and a cold flow outlet on the preheating heat exchange unit is connected with an inlet of the fuel cell; the waste heat utilization subsystem comprises a heat source heat exchange unit and a ground source heat pump which are sequentially connected. The heat exchange feedback unit, the preheating unit and the heat source heat exchange unit are arranged to realize multi-stage utilization of energy, and the energy utilization rate of the whole system is improved.

Description

Coupling system of bio-based solid oxide fuel cell and ground source heat pump
Technical Field
The invention relates to the field of energy, in particular to a coupling system of a bio-based solid oxide fuel cell and a ground source heat pump.
Background
Rural energy consumption is a main component in national energy consumption, so that the transformation of the rural energy structure is an important link for realizing the transformation of the national energy structure. Agricultural wastes are important renewable energy sources, and how to properly treat the agricultural wastes is an urgent problem to be solved.
However, currently using direct combustion of biomass as the energy input to a distributed energy system, the energy efficiency of the system is low and can cause carbon emissions. Since most distributed energy systems currently employ a gas turbine or an internal combustion engine as a prime mover, the power generation efficiency of the internal combustion engine and the gas turbine is low compared to that of a fuel cell.
In addition, besides biomass, rural areas also contain abundant renewable energy sources such as solar energy, geothermal energy, wind energy and the like. In the existing renewable energy sources developed and utilized, the geothermal energy is more and more concerned due to the stability performance of the geothermal energy which is not influenced by seasonal environment, however, the cold and heat imbalance of the soil can be brought about by the long-term operation of a ground source heat pump system. The main current solutions to this problem are the addition of heat recovery or the addition of cooling towers, and these passive balancing methods do not fundamentally solve the problem.
Disclosure of Invention
Technical problem to be solved
The invention provides a coupling system of a bio-based solid oxide fuel cell and a ground source heat pump, and aims to solve the problems of low energy utilization rate of the existing distributed energy system and cold and heat imbalance of soil caused by long-term operation of the ground source heat pump.
(II) technical scheme
In order to solve the problems, the coupling system of the bio-based solid oxide fuel cell and the ground source heat pump comprises a biomass gasification subsystem, a fuel cell power generation subsystem and a waste heat utilization subsystem which are sequentially connected;
the biomass gasification subsystem comprises a biomass supply unit, a biomass gasification unit, a heat exchange feedback unit and a synthesis gas cleaning device which are sequentially connected in series; a cold flow air outlet on the heat exchange feedback unit is connected with an air feedback port on the biomass supply unit, a cold flow water outlet on the heat exchange feedback unit is connected with a water vapor feedback port on the biomass gasification unit, and a cold flow oxygen outlet on the heat exchange feedback unit is connected with an oxygen feedback port on the biomass gasification unit;
the fuel cell power generation subsystem comprises a preheating heat exchange unit, a fuel cell and a waste heat boiler which are sequentially connected in series, wherein an outlet of the synthesis gas cleaning device is connected with a cold flow inlet of the preheating heat exchange unit, an outlet of the waste heat boiler is connected with a hot flow inlet on the preheating heat exchange unit, and a cold flow outlet on the preheating heat exchange unit is connected with an inlet of the fuel cell;
the waste heat utilization subsystem comprises a heat source heat exchange unit and a ground source heat pump which are sequentially connected, and a heat flow outlet on the preheating heat exchange unit is connected with a heat flow inlet of the heat source heat exchange unit.
The biomass supply unit comprises a dryer and a pulverizer, an outlet of the dryer is connected with an inlet of the pulverizer, and an outlet of the pulverizer is connected with an inlet of the biomass gasification unit; an air feedback opening on the biomass supply unit is formed in the dryer.
Preferably, the biomass gasification unit comprises a fluidized bed gasification furnace and a dust removal device, an inlet of the fluidized bed gasification furnace is connected with an outlet of the pulverizer, an outlet of the fluidized bed gasification furnace is connected with an inlet of the dust removal device, and an outlet of the dust removal device is connected with a heat flow inlet on the heat exchange feedback unit; an oxygen feedback port on the biomass gasification unit and the water vapor feedback port are arranged on the fluidized bed gasification furnace.
Preferably, the heat exchange feedback unit comprises a first heat exchanger and a second heat exchanger, a heat flow inlet on the first heat exchanger is connected with an outlet of the dust removal device, a heat flow outlet on the first heat exchanger is connected with a heat flow inlet on the second heat exchanger, and a heat flow outlet on the second heat exchanger is connected with an inlet on the syngas cleaning device; the first heat exchanger is also provided with a cold flow oxygen inlet, a cold flow oxygen outlet, a cold flow air outlet and a cold flow air inlet, and the second heat exchanger is also provided with a cold flow water inlet and a cold flow water outlet.
Preferably, the preheating heat exchange unit comprises a third heat exchanger and a fourth heat exchanger, a heat flow inlet on the preheating heat exchange unit is a heat flow inlet on the third heat exchanger, a heat flow outlet on the preheating heat exchange unit is a heat flow outlet on the fourth heat exchanger, a cold flow inlet on the preheating heat exchange unit is a cold flow inlet on the third heat exchanger, and a heat flow outlet on the third heat exchanger is connected with a heat flow inlet on the fourth heat exchanger; the cold flow outlet of the third heat exchanger is connected with the inlet of the anode of the fuel cell, the cold flow outlet of the fourth heat exchanger is connected with the inlet of the cathode of the fuel cell, and the outlet of the anode of the fuel cell and the outlet of the cathode of the fuel cell are both connected with the inlet of the waste heat boiler; and the cold flow inlet of the fourth heat exchanger can be filled with air, and the outlet of the cathode of the fuel cell is also connected with the cold flow inlet of the fourth heat exchanger.
Preferably, the ground source heat pump comprises a buried heat exchange tube, and an evaporator, a compressor, a condenser and an expansion valve which are sequentially connected end to end; and a heat flow outlet of the heat source heat exchange unit is connected with a heat flow inlet on the underground heat exchange tube, and a cold flow outlet on the underground heat exchange tube is connected with a heat source inlet on the evaporator.
Preferably, the heat source heat exchange unit comprises a fifth heat exchanger and a sixth heat exchanger, a heat flow inlet of the fifth heat exchanger and a heat flow inlet of the sixth heat exchanger are both connected with a heat flow outlet on the fourth heat exchanger, and a heat flow outlet of the fifth heat exchanger and a heat flow outlet of the sixth heat exchanger are both connected with a heat flow inlet of the buried heat exchange tube; the condenser is also provided with a water flow heat exchange inlet and a water flow heat exchange outlet, the fifth heat exchanger is also provided with a cold flow inlet and a cold flow outlet, and the water flow heat exchange outlet is connected with the cold flow inlet on the fifth heat exchanger; and the sixth heat exchanger is also provided with a cold flow inlet and a cold flow outlet.
Preferably, the fuel cell is electrically connected to the compressor.
(III) advantageous effects
The invention has the beneficial effects that: the coupling system of the bio-based solid oxide fuel cell and the ground source heat pump is divided into a biomass gasification subsystem, a fuel cell power generation subsystem and a waste heat utilization subsystem, wherein the biomass gasification subsystem provides raw materials for the fuel cell power generation subsystem; the heat exchange feedback unit is arranged in the biomass gasification subsystem, so that the drying rate and the gasification rate are improved; the preheating heat exchange unit is arranged in the fuel cell power generation subsystem, so that the temperature gradient in the cell is reduced, and the power generation rate is improved; the waste smoke generated after the power generation of the fuel cell power generation subsystem is used as a heat source of the waste heat utilization subsystem, so that the problem of cold and hot unbalance of soil caused by long-term operation of a ground source heat pump is solved; through the multi-stage utilization of high-temperature flue gas generated by gasification and waste flue gas generated by power generation of a fuel cell, the utilization rate of energy is improved, carbon emission is reduced, and pollution to the environment is reduced.
Drawings
Fig. 1 is a working principle diagram of the coupling system of the bio-based solid oxide fuel cell and the ground source heat pump.
[ description of reference ]
A1: a heat flow inlet on the first heat exchanger; a2: a heat flux outlet on the second heat exchanger; a3: a cold flow oxygen inlet on the first heat exchanger; a4: a cold flow oxygen outlet on the first heat exchanger; a5: a cold flow air inlet on the first heat exchanger; a6: a cold flow air outlet on the first heat exchanger; b1: an oxygen feedback port; b2: a water vapor feedback port; c1: a heat flow inlet on the second heat exchanger; c2: a heat flux outlet on the second heat exchanger; c3: a cold flow water inlet on the second heat exchanger; c4: a cold flow water outlet on the second heat exchanger; d1: an air feedback port; e1: a cold flow inlet on the third heat exchanger; e2: a cold flow outlet on the third heat exchanger; e3: a heat flow inlet on the third heat exchanger; e4: a heat flow inlet on the third heat exchanger; f1: a cold flow inlet on the fourth heat exchanger; f2: a cold flow outlet on the fourth heat exchanger; f3: a heat flow inlet on the fourth heat exchanger; f4: a heat flux outlet on the fourth heat exchanger; g1: a heat flow inlet on the fifth heat exchanger; g2: a heat flow outlet on the fifth heat exchanger; g3: a cold flow inlet on the fifth heat exchanger; g4: a cold flow outlet on the fifth heat exchanger; h1: a heat flow inlet on the sixth heat exchanger; h2: a hot outlet on the sixth heat exchanger; h3: a cold flow inlet on the sixth heat exchanger; h4: a cold flow outlet on the sixth heat exchanger; j1: a heat flow inlet on the underground heat exchange tube; j2: a heat flow outlet on the underground heat exchange tube; j3: a cold flow inlet on the underground heat exchange tube; j4: a cold flow outlet on the underground heat exchange tube; k1: a heat flow inlet on the evaporator; k2: a hot fluid outlet on the evaporator; l1: a water flow heat exchange inlet; l2: and a water flow heat exchange outlet.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention provides a coupling system of a bio-based solid oxide fuel cell and a ground source heat pump, which comprises a biomass gasification subsystem, a fuel cell power generation subsystem and a waste heat utilization subsystem which are sequentially connected as shown in figure 1. The biomass gasification subsystem converts biomass energy into fuel for generating power by the fuel cell, waste gas generated by the power generation subsystem of the fuel cell provides a heat source for the waste heat utilization subsystem, energy of the whole system is utilized in multiple stages, electric energy and heat energy can be output to the whole system only by supplying biomass (which can be waste crops in rural areas), and the waste heat is used as the heat source of the waste heat utilization subsystem, so that the problem of cold and heat imbalance of soil caused by long-term operation of the ground source heat pump is solved.
The biomass gasification subsystem comprises a biomass supply unit, a biomass gasification unit, a heat exchange feedback unit and a synthesis gas cleaning device which are sequentially connected in series. And a cold flow air outlet A6 on the heat exchange feedback unit is connected with an air feedback port D1 on the biomass supply unit through a thirty-one pipeline 31, a cold flow water outlet C4 on the heat exchange feedback unit is connected with a water vapor feedback port B2 on the biomass gasification unit through a thirty-three pipeline 33, and a cold flow oxygen outlet A4 on the heat exchange feedback unit is connected with an oxygen feedback port B1 on the biomass gasification unit through a thirty-one pipeline 30.
The biomass supply unit dries and then crushes biomass (such as agricultural waste crops), the crushed biomass enters the biomass gasification unit through the third pipeline 3, the biomass is gasified in the biomass gasification unit to generate high-temperature gas, the high-temperature gas enters the heat exchange feedback unit through the fifth pipeline 5 and becomes normal-temperature gas after heat exchange is completed, the normal-temperature gas enters the synthesis gas cleaning device through the seventh pipeline 7, and the synthesis gas cleaning device removes sulfur from the normal-temperature gas and cleans the normal-temperature gas to obtain clean gas. The biomass gasification subsystem completes the reutilization of agricultural wastes, and can convert biomass energy in the agricultural wastes into chemical energy required by the fuel cell power generation, thereby playing a role in waste utilization and reducing the environmental impact caused by the direct combustion of the conventional agricultural wastes.
The high-temperature fuel gas exchanges heat with water, oxygen and air flowing through the heat exchange feedback unit in the heat exchange feedback unit, and the air after heat exchange flows to the biomass supply unit from a cold flow air outlet A6 on the heat exchange feedback unit through a thirty-one pipeline 31, so that the biomass is dried; the heat-exchanged water flows from a cold flow water outlet C4 on the heat exchange feedback unit to a water vapor feedback port B2 on the biomass gasification unit through a thirty-third pipeline 33, and the heat-exchanged oxygen flows from a cold flow oxygen outlet A4 on the heat exchange feedback unit to an oxygen feedback port B1 on the biomass gasification unit through a thirty-third pipeline 30. The steam and oxygen flowing into the biomass gasification unit are beneficial to improving the gasification efficiency of the biomass. The heat exchange feedback unit in the biomass gasification subsystem exchanges heat with water and oxygen by utilizing self heat to obtain water vapor and hot oxygen which are used as gasification agents of biomass to react on the biomass gasification unit to accelerate the gasification of the biomass; the heat exchange feedback unit utilizes self heat generation to exchange heat with air to obtain hot air which reacts on the biomass supply unit, and the hot air plays a role in drying the biomass in the biomass supply unit. By utilizing the heat generated by the biomass gasification subsystem and reacting on the biomass supply unit and the biomass gasification unit, the utilization rate of energy and the gasification efficiency of the biomass gasification subsystem are improved, and the use cost is reduced.
The fuel cell power generation subsystem comprises a preheating heat exchange unit, a fuel cell and a waste heat boiler which are sequentially connected in series, the outlet of the synthesis gas cleaning device is connected with a cold flow inlet E1 of the preheating heat exchange unit through an eighth pipeline 8, the outlet of the waste heat boiler is connected with a heat flow inlet E3 on the preheating heat exchange unit through a fourteenth pipeline 14, and a cold flow outlet on the preheating heat exchange unit is connected with an inlet of the fuel cell.
Clean fuel gas in the synthesis gas cleaning device enters the preheating unit through an eighth pipeline 8, air enters the preheating unit through an eleventh pipeline 11, preheated fuel gas and preheated air are obtained, the preheated fuel gas and the preheated air flow into a fuel cell through pipelines and generate electricity in the fuel cell, waste gas generated by electricity generation of the fuel cell flows into a waste heat boiler, the waste gas is combusted in the waste heat boiler to generate high-temperature flue gas, the high-temperature flue gas flows into the preheating unit from a heat flow inlet E3 of the preheating unit through a fourteenth pipeline 14, and the high-temperature flue gas preheats gas in the preheating unit. Fuel cell is a power generation facility friendly to the environment, and the generating efficiency has great improvement in comparison with the internal-combustion engine, simultaneously burning processing is being carried out to fuel cell's exhaust, the high temperature flue gas that the burning produced carries out preheating treatment to the gas that gets into the fuel cell electricity generation, reuse fuel cell exhaust promptly, temperature gradient in the fuel cell has been reduced again, be favorable to improving fuel cell's life and generating efficiency, utilize fuel cell can be for the power supply of other equipment of user, thereby can the energy saving.
The waste heat utilization subsystem comprises a heat source heat exchange unit and a ground source heat pump which are sequentially connected, and a heat flow outlet F4 on the preheating heat exchange unit is connected with a heat flow inlet of the heat source heat exchange unit through a sixteenth pipeline 16. The flue gas in the preheating heat exchange unit flows out from the hot flow outlet F4 and flows into the heat source heat exchange unit through the sixteenth pipeline 16, the flue gas flows out from the outlet of the heat source heat exchange unit and flows into the ground source heat pump through the pipeline, a heat source is provided for the operation of the ground source heat pump, and the problem of cold and hot imbalance of soil caused by the long-term operation of the ground source heat pump is solved.
Specifically, the biomass supply unit may include a dryer and a pulverizer, an outlet of the dryer is connected to an inlet of the pulverizer through the second pipe 2, an outlet of the pulverizer is connected to an inlet of the biomass gasification unit through the third pipe 3, and an air feedback port D1 on the biomass supply unit is opened on the dryer. The biomass raw material enters a dryer through a first pipeline 1 and is dried in the dryer; the dried biomass enters a crusher through a second pipeline 2, and the crusher crushes the transferred biomass into granular biomass. The biomass is dried and crushed, which is beneficial to the subsequent gasification of the biomass.
Further, the biomass gasification unit comprises a fluidized bed gasification furnace and a dust removal device, the inlet of the fluidized bed gasification furnace is connected with the outlet of the pulverizer through a third pipeline 3, the outlet of the fluidized bed gasification furnace is connected with the inlet of the dust removal device through a fourth pipeline 4, the outlet of the dust removal device is connected with a heat flow inlet A1 of the heat exchange feedback unit through a fifth pipeline 5, and an oxygen feedback port B1 and a water vapor feedback port B2 on the biomass gasification unit are arranged on the fluidized bed gasification furnace. The granular biomass enters the fluidized bed gasification furnace through the third pipeline 3, the fluidized bed gasification furnace gasifies the granular biomass, high-temperature mixed gas generated after gasification enters the dust removal device through the fourth pipeline 4, and the high-temperature mixed gas is subjected to dust removal to obtain the high-temperature gas. The fluidized bed gasification furnace completes the utilization of biomass, converts the biomass energy into chemical energy required by the power generation of the fuel cell, and realizes the high-efficiency utilization of renewable energy.
In a preferred scheme, the heat exchange feedback unit can comprise a first heat exchanger and a second heat exchanger, a heat flow inlet A1 on the first heat exchanger is connected with an outlet of the dust removal device through a fifth pipeline 5, a heat flow outlet A2 on the first heat exchanger is connected with a heat flow inlet C1 on the second heat exchanger through a sixth pipeline 6, and a heat flow outlet C2 on the second heat exchanger is connected with an inlet on the syngas cleaning device through a seventh pipeline 7. The first heat exchanger is also provided with a cold flow oxygen inlet A3, a cold flow oxygen outlet A4, a cold flow air outlet A6 and a cold flow air inlet A5, and the second heat exchanger is also provided with a cold flow water inlet C3 and a cold flow water outlet C4. High-temperature fuel gas enters the first heat exchanger through the fifth pipeline 5 for heat exchange and then enters the second heat exchanger through the sixth pipeline 6 for heat exchange. The high-temperature fuel gas becomes normal-temperature fuel gas after heat exchange in the second heat exchanger is finished, the normal-temperature fuel gas enters the synthesis gas cleaning device through the seventh pipeline 7, the normal-temperature fuel gas is subjected to sulfur removal and cleaning in the synthesis gas cleaning device to obtain clean fuel gas, and the clean fuel gas flows out of an outlet of the synthesis gas cleaning device.
It should be noted that the hot fluid inlet and the hot fluid outlet on the heat exchanger herein are communicated by a hot fluid pipeline, the cold fluid inlet and the cold fluid outlet are communicated by a cold fluid pipeline, the cold fluid oxygen outlet and the cold fluid oxygen inlet are communicated, the cold fluid water outlet and the cold fluid water inlet are communicated, and the cold fluid air inlet and the cold fluid air outlet are communicated. The heat exchange is carried out between the cold flow pipeline and the heat pipeline in the heat exchanger, so that the heat is transferred from the fluid with higher temperature to the fluid with lower temperature.
Air enters the first heat exchanger through the twenty-ninth pipeline 29 to exchange heat with high-temperature fuel gas, and the air subjected to heat exchange and temperature rise flows to an air feedback port D1 of the dryer through the thirty-first pipeline 31 to accelerate the drying of the biomass; oxygen enters the second heat exchanger through the twenty-eighth pipeline 28 to exchange heat with high-temperature fuel gas, and the oxygen after heat exchange and temperature rise enters the oxygen feedback port B1 flowing to the fluidized bed gasification furnace through the thirtieth pipeline 30, so that the function of a gasification agent is achieved, and the gasification efficiency is improved; water enters the second heat exchanger through the thirty-second pipeline 32 to exchange heat with high-temperature fuel gas, and water vapor generated after heat exchange and temperature rise flows to the fluidized bed gasification furnace through the thirty-third pipeline 33, so that the function of a gasification agent is achieved, and the gasification efficiency of biomass is improved. The first heat exchanger and the second heat exchanger utilize high-temperature fuel gas step by step, so that heat exchange is sufficient, and the utilization efficiency of energy is obviously improved.
In addition, in a preferred scheme, the preheating heat exchange unit comprises a third heat exchanger and a fourth heat exchanger, a hot fluid inlet on the preheating heat exchange unit is a hot fluid inlet E3 on the third heat exchanger, a cold fluid inlet E1 on the preheating heat exchange unit is a cold fluid inlet E1 on the third heat exchanger, a hot fluid outlet E4 on the third heat exchanger is connected with a hot fluid inlet F3 on the fourth heat exchanger through a fifteenth pipeline 15, a cold fluid outlet E2 of the third heat exchanger is connected with an inlet of an anode of the fuel cell through a ninth pipeline 9, a cold fluid outlet F2 of the fourth heat exchanger is connected with an inlet of a cathode of the fuel cell through a twelfth pipeline 12, an outlet of the anode of the fuel cell is connected with an inlet of the waste heat boiler through a tenth pipeline 10, and an outlet of the cathode of the fuel cell is connected with an inlet of the waste heat boiler through a thirteenth pipeline 13. The cold flow inlet F1 of the fourth heat exchanger can be fed with air via an eleventh duct 11, the outlet of the cathode of the fuel cell being further connected to the cold flow inlet F1 of the fourth heat exchanger.
The clean fuel gas flows to a cold flow inlet E1 on the third heat exchanger from the outlet of the synthesis gas cleaning device through an eighth pipeline 8, the clean fuel gas is preheated to obtain preheated fuel gas, and the preheated fuel gas flows to the anode of the fuel cell from a cold flow outlet E2 on the third heat exchanger; external air enters a cold flow inlet F1 on the fourth heat exchanger through an eleventh pipeline 11, preheated air is obtained, the preheated air flows to the cathode of the fuel cell from a cold flow outlet F2 on the fourth heat exchanger, and fuel gas at the anode of the fuel cell and air at the cathode of the fuel cell react chemically to generate electricity. The fuel cell comprises a plurality of fuel cell monomers which are connected in parallel, and the number of the fuel cells which run simultaneously is adjusted according to the power demand. The flexibility of the system is increased while the power generation efficiency of the system is improved. And all the waste gas generated by the anode of the fuel cell enters the waste heat boiler, one part of the waste gas generated by the cathode of the fuel cell enters the waste heat boiler, and the other part of the waste gas flows to the cold flow inlet F1 of the fourth heat exchanger through a pipeline for recycling. And after preheating, the high-temperature flue gas flows out from a heat flow outlet E4 of the third heat exchanger and flows to a heat flow inlet F3 of the fourth heat exchanger, air flowing into a cathode of the fuel cell is preheated, and after preheating, the high-temperature flue gas flows out from a heat flow outlet F4 of the fourth heat exchanger. The scheme realizes the reutilization of the exhaust gas of the fuel cell, not only improves the power generation efficiency, but also reduces the power generation cost.
In addition, the ground source heat pump comprises a buried heat exchange tube, and an evaporator, a compressor, a condenser and an expansion valve which are sequentially connected end to end. The heat source heat exchange unit comprises a fifth heat exchanger and a sixth heat exchanger, a heat flow inlet G1 of the fifth heat exchanger and a heat flow inlet H1 of the sixth heat exchanger are connected with a heat flow outlet F4 on the fourth heat exchanger through a sixteenth pipeline 16, a heat flow outlet G2 of the fifth heat exchanger is connected with an eighteenth pipeline 18 through a seventeenth pipeline 17, a heat flow outlet H2 of the sixth heat exchanger is connected with a heat flow inlet J1 of the buried heat exchange tube through the eighteenth pipeline 18, external air can flow into the eighteenth pipeline 18 through a nineteenth pipeline 19, and a cold flow outlet J4 on the buried heat exchange tube is connected with a heat source inlet K1 on the evaporator through a twelfth pipeline 22. The heat flow inlet J1 on the underground heat exchange tube is communicated with the heat flow outlet J2 on the underground heat exchange tube, and the cold flow inlet J2 on the underground heat exchange tube is communicated with the cold flow outlet J4 on the underground heat exchange tube.
One part of the high-temperature flue gas discharged from the hot flow outlet F4 on the fourth heat exchanger enters the hot flow inlet G1 on the fifth heat exchanger, and the other part of the high-temperature flue gas enters the hot flow inlet H1 on the sixth heat exchanger. High-temperature flue gas discharged from a heat flow outlet G2 on the fifth heat exchanger, high-temperature flue gas discharged from a heat flow outlet H2 on the sixth heat exchanger and air flowing in from a nineteenth pipeline 19 are mixed in an eighteenth pipeline 18, and mixed gas with the temperature of 90 ℃ enters a heat flow inlet J1 of the buried heat exchange tube through the eighteenth pipeline 18 and is discharged from a heat flow outlet J2 on the buried heat exchange tube through a twentieth pipeline 20; cold water flows into a cold flow inlet J3 of the buried heat exchange tube from the twenty-first pipeline 21, and obtains warm water after heat exchange with 90-degree mixed gas, the warm water flows out from a cold flow outlet of the buried heat exchange tube, the warm water serving as a heat source driven by a ground source heat pump enters a heat source inlet K1 on the evaporator through the twenty-second pipeline 22, the warm water entering the evaporator exchanges heat with refrigerant flowing into the evaporator through the twenty-fourth pipeline 24, the warm water heats the refrigerant to a saturated steam state, and the warm water after heat exchange flows out from a heat source outlet K2 on the evaporator through the twenty-third pipeline 23. The refrigerant in the saturated vapor state enters the compressor through the twenty-fifth pipeline 25, the compressor pressurizes the refrigerant to the refrigerant in the superheated vapor state, then the refrigerant in the superheated vapor state enters the condenser through the twenty-sixth pipeline 26 to release heat, and the refrigerant after heat release enters the expansion valve through the twenty-seventh pipeline 27 to be cooled to the wet vapor state, so that the heating cycle is completed. The warm water entering from the heat source inlet on the evaporator provides driving heat energy for the ground source heat pump, and compared with the common ground source heat pump, the warm water can effectively improve the energy efficiency COP of the heat pump.
Finally, a water flow heat exchange inlet L1 and a water flow heat exchange outlet L2 are further arranged on the condenser, a water flow heat exchange inlet L1 on the condenser is communicated with a water flow heat exchange outlet L2 on the condenser, a cold flow inlet G3 and a cold flow outlet G4 are further arranged on the fifth heat exchanger, a water flow heat exchange outlet L2 is connected with a cold flow inlet G3 on the fifth heat exchanger through a thirty-five pipeline 35, and a cold flow inlet H3 and a cold flow outlet H4 are further arranged on the sixth heat exchanger.
Water enters a water flow heat exchange inlet L1 on the condenser from a thirty-fourth pipeline 34, the water entering the condenser exchanges heat with the condenser, warm water after heat exchange flows to a cold flow inlet G3 on the fifth heat exchanger from a water flow heat exchange outlet L2 on the condenser, and the warm water flows out of a thirty-sixth pipeline 36 after exchanging heat with high-temperature flue gas in the fifth heat exchanger for residents to use. Cold water enters a cold flow inlet H3 on the sixth heat exchanger from the thirty-seventh pipeline 37, hot water for daily life of residents is obtained after heat exchange with high-temperature flue gas in the sixth heat exchanger, and the hot water flows out of the thirty-eighth 38 pipeline for the residents to use, so that daily life hot water requirements of the residents are met.
In addition, in a preferred embodiment, the fuel cell can supply power to other daily-use equipment, and can also be electrically connected with the compressor to supply electric energy for the operation of the compressor, so that the utilization efficiency of energy can be greatly improved.
It should be understood that the above description of specific embodiments of the present invention is only for the purpose of illustrating the technical lines and features of the present invention, and is intended to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, but the present invention is not limited to the above specific embodiments. It is intended that all such changes and modifications as fall within the scope of the appended claims be embraced therein.

Claims (5)

1. The coupling system of the bio-based solid oxide fuel cell and the ground source heat pump is characterized by comprising a biomass gasification subsystem, a fuel cell power generation subsystem and a waste heat utilization subsystem which are sequentially connected;
the biomass gasification subsystem comprises a biomass supply unit, a biomass gasification unit, a heat exchange feedback unit and a synthesis gas cleaning device which are sequentially connected in series; a cold flow air outlet on the heat exchange feedback unit is connected with an air feedback port on the biomass supply unit, a cold flow water outlet on the heat exchange feedback unit is connected with a water vapor feedback port on the biomass gasification unit, and a cold flow oxygen outlet on the heat exchange feedback unit is connected with an oxygen feedback port on the biomass gasification unit;
the fuel cell power generation subsystem comprises a preheating heat exchange unit, a fuel cell and a waste heat boiler which are sequentially connected in series, wherein an outlet of the synthesis gas cleaning device is connected with a cold flow inlet of the preheating heat exchange unit, an outlet of the waste heat boiler is connected with a hot flow inlet on the preheating heat exchange unit, and a cold flow outlet on the preheating heat exchange unit is connected with an inlet of the fuel cell;
the waste heat utilization subsystem comprises a heat source heat exchange unit and a ground source heat pump which are sequentially connected, and a heat flow outlet on the preheating heat exchange unit is connected with a heat flow inlet of the heat source heat exchange unit;
the preheating heat exchange unit comprises a third heat exchanger and a fourth heat exchanger, a heat flow inlet on the preheating heat exchange unit is a heat flow inlet on the third heat exchanger, a heat flow outlet on the preheating heat exchange unit is a heat flow outlet on the fourth heat exchanger, a cold flow inlet on the preheating heat exchange unit is a cold flow inlet on the third heat exchanger, and a heat flow outlet on the third heat exchanger is connected with a heat flow inlet on the fourth heat exchanger; the cold flow outlet of the third heat exchanger is connected with the inlet of the anode of the fuel cell, the cold flow outlet of the fourth heat exchanger is connected with the inlet of the cathode of the fuel cell, and the outlet of the anode of the fuel cell and the outlet of the cathode of the fuel cell are both connected with the inlet of the waste heat boiler; the cold flow inlet of the fourth heat exchanger can be filled with air, and the outlet of the cathode of the fuel cell is also connected with the cold flow inlet of the fourth heat exchanger;
the ground source heat pump comprises a buried heat exchange tube, and an evaporator, a compressor, a condenser and an expansion valve which are sequentially connected end to end; a heat flow outlet of the heat source heat exchange unit is connected with a heat flow inlet on the underground heat exchange tube, and a cold flow outlet on the underground heat exchange tube is connected with a heat source inlet on the evaporator;
the heat source heat exchange unit comprises a fifth heat exchanger and a sixth heat exchanger, a heat flow inlet of the fifth heat exchanger and a heat flow inlet of the sixth heat exchanger are both connected with a heat flow outlet on the fourth heat exchanger, and a heat flow outlet of the fifth heat exchanger and a heat flow outlet of the sixth heat exchanger are both connected with a heat flow inlet of the buried heat exchange tube; the condenser is also provided with a water flow heat exchange inlet and a water flow heat exchange outlet, the fifth heat exchanger is also provided with a cold flow inlet and a cold flow outlet, and the water flow heat exchange outlet is connected with the cold flow inlet on the fifth heat exchanger; and the sixth heat exchanger is also provided with a cold flow inlet and a cold flow outlet.
2. The coupling system of bio-based solid oxide fuel cell and ground source heat pump as claimed in claim 1, wherein: the biomass supply unit comprises a dryer and a pulverizer, an outlet of the dryer is connected with an inlet of the pulverizer, and an outlet of the pulverizer is connected with an inlet of the biomass gasification unit; an air feedback opening on the biomass supply unit is formed in the dryer.
3. The coupling system of bio-based solid oxide fuel cell and ground source heat pump as claimed in claim 2, wherein: the biomass gasification unit comprises a fluidized bed gasification furnace and a dust removal device, wherein an inlet of the fluidized bed gasification furnace is connected with an outlet of the pulverizer, an outlet of the fluidized bed gasification furnace is connected with an inlet of the dust removal device, and an outlet of the dust removal device is connected with a heat flow inlet on the heat exchange feedback unit; an oxygen feedback port on the biomass gasification unit and the water vapor feedback port are arranged on the fluidized bed gasification furnace.
4. The coupling system of bio-based solid oxide fuel cell and ground source heat pump as claimed in claim 3, wherein: the heat exchange feedback unit comprises a first heat exchanger and a second heat exchanger, a heat flow inlet on the first heat exchanger is connected with an outlet of the dust removal device, a heat flow outlet on the first heat exchanger is connected with a heat flow inlet on the second heat exchanger, and a heat flow outlet on the second heat exchanger is connected with an inlet on the synthesis gas cleaning device; the first heat exchanger is also provided with a cold flow oxygen inlet, a cold flow oxygen outlet, a cold flow air outlet and a cold flow air inlet, and the second heat exchanger is also provided with a cold flow water inlet and a cold flow water outlet.
5. The coupling system of bio-based solid oxide fuel cell and ground source heat pump as claimed in claim 1, wherein: the fuel cell is electrically connected to the compressor.
CN201910579867.XA 2019-06-28 2019-06-28 Coupling system of bio-based solid oxide fuel cell and ground source heat pump Expired - Fee Related CN110319621B (en)

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CN113124448A (en) * 2021-04-14 2021-07-16 西安交通大学 Rural combined heat and power system based on fuel cell system and operation method thereof
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007270212A (en) * 2006-03-30 2007-10-18 Ebara Corp Hydrogen production device and fuel cell power-generating apparatus
CN107276126A (en) * 2017-07-21 2017-10-20 中国华能集团清洁能源技术研究院有限公司 A kind of electric heating cold air based on fuel cell is provided multiple forms of energy to complement each other energy supplying system and method
CN108692480A (en) * 2018-05-28 2018-10-23 长沙理工大学 A kind of distributed polygenerations systeme based on gasification of biomass and earth source heat pump
CN108716782A (en) * 2018-05-28 2018-10-30 长沙理工大学 A kind of co-generation unit of coupled biological matter and geothermal energy
CN108954907A (en) * 2018-05-28 2018-12-07 长沙理工大学 A kind of biomass and geothermal energy complementation Organic Rankine Cycle distributed energy resource system
CN109385307A (en) * 2018-12-04 2019-02-26 广东索特能源科技有限公司 A kind of the fuel cell cogeneration system and its electricity-generating method of biomass

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040009378A1 (en) * 2002-07-09 2004-01-15 Lightner Gene E. Gasification of lignocellulose for production of electricity from fuel cells

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007270212A (en) * 2006-03-30 2007-10-18 Ebara Corp Hydrogen production device and fuel cell power-generating apparatus
CN107276126A (en) * 2017-07-21 2017-10-20 中国华能集团清洁能源技术研究院有限公司 A kind of electric heating cold air based on fuel cell is provided multiple forms of energy to complement each other energy supplying system and method
CN108692480A (en) * 2018-05-28 2018-10-23 长沙理工大学 A kind of distributed polygenerations systeme based on gasification of biomass and earth source heat pump
CN108716782A (en) * 2018-05-28 2018-10-30 长沙理工大学 A kind of co-generation unit of coupled biological matter and geothermal energy
CN108954907A (en) * 2018-05-28 2018-12-07 长沙理工大学 A kind of biomass and geothermal energy complementation Organic Rankine Cycle distributed energy resource system
CN109385307A (en) * 2018-12-04 2019-02-26 广东索特能源科技有限公司 A kind of the fuel cell cogeneration system and its electricity-generating method of biomass

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