CN217709318U - Thermoelectric coupling device for coupling agricultural and forestry waste with fuel cell - Google Patents
Thermoelectric coupling device for coupling agricultural and forestry waste with fuel cell Download PDFInfo
- Publication number
- CN217709318U CN217709318U CN202221113560.4U CN202221113560U CN217709318U CN 217709318 U CN217709318 U CN 217709318U CN 202221113560 U CN202221113560 U CN 202221113560U CN 217709318 U CN217709318 U CN 217709318U
- Authority
- CN
- China
- Prior art keywords
- communicated
- gas
- fuel cell
- unit
- output end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Fuel Cell (AREA)
Abstract
A thermoelectric coupling device for coupling agricultural and forestry waste with a fuel cell is provided with a crushing unit, wherein the output end of the crushing unit is communicated with a thermoelectric electrolysis unit; the gas of the thermal electrolysis unit is connected with the gas storage unit, and the solid-liquid impurity output end is connected with the slag discharging device; the gas storage unit is connected with the dehydration device; the gas outlet of the dehydration device is communicated with the inlet of the desulfurization and decarburization device, the desulfurization and decarburization device is communicated with a flame arrester, the flame arrester is communicated with a deoxidation device, the deoxidation device is communicated with a denitrification device, the denitrification device is connected with a gas compression device, the gas compression device is communicated with a gas collection device, the gas collection device is communicated with the inlet of a fuel compressor, and the outlet of the fuel compressor is communicated with the anode inlet of a solid oxide fuel cell unit; the cathode inlet of the solid oxide fuel cell unit is communicated with the output end of the air compressor; and the current output end of the solid oxide fuel cell unit is connected with the input end of the inverter module.
Description
Technical Field
The utility model relates to an agriculture and forestry discarded object recycle technical field, concretely relates to agriculture and forestry discarded object coupling fuel cell's thermoelectric coupling device.
Background
Along with the urbanization, the acceleration of the industrialization process, the more prominent environmental problems, the increase of carbon emission, the aggravation of greenhouse effect and the like, the key is how to better solve the problems all the time, and China also issues a 'double-carbon' policy. China is a traditional big agricultural country, agricultural and forestry wastes (crop straws, animal wastes and the like) generated in agricultural production are huge, and the conventional modes of burning, landfill and the like can cause secondary environmental pollution, resource waste and the like. How to effectively treat the agricultural and forestry wastes, the improvement of the five-conversion (fertilizer, feed, base material, raw material and gasification) is a key problem. Meanwhile, with the victory of poverty-depriving and hard-fighting in China, the development of rural areas also makes a major breakthrough, and how to effectively utilize agricultural and forestry wastes is an important development opportunity in the vogue strategy of rural areas nowadays.
In the prior art, the agricultural and forestry wastes are mainly treated by methods such as direct combustion power generation, gasification power generation, waste incineration power generation and the like, and the problems are many. Especially, the straw power generation industry has been developed in China for more than ten years, but the development of the industry is not ideal. The investment is large, the economic benefit is low, the energy consumption of the biological power generation is large, the power generation cost is high, the quality is poor, and the profit effect is poor. The power generation technology is backward, the unit efficiency is low, and the comprehensive benefit is not obvious. In the face of increasing flue gas emission standards, the flue gas emission is difficult to reach the standard.
A solid oxide fuel cell is an electrochemical conversion device that can generate electricity directly by oxidizing a fuel. Fuel cells are characterized by their electrolyte materials; solid oxide fuel cells have a solid oxide or ceramic electrolyte. The method is characterized in that a solid oxide material is used as an electrolyte. SOFCs use a solid oxide electrolyte to conduct negative oxygen ions from the cathode to the anode. Thus, electrochemical oxidation of hydrogen, carbon monoxide or other organic intermediates by oxygen ions occurs on the anode side.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to the not enough of prior art, provide one kind and pass through reforming transformation reaction with the gas that biomass waste pyrolysis generated and provide fuel for high temperature fuel cell and generate electricity, energy-concerving and environment-protective agriculture and forestry discarded object coupling fuel cell's thermoelectric coupling device, concrete technical scheme is as follows:
a thermoelectric coupling device of agricultural and forestry waste coupled fuel cells is provided with a crushing unit, the output end of the crushing unit is communicated with an input material port of a thermoelectric electrolysis unit, and the crushed material completes a pyrolysis reaction in the thermoelectric electrolysis unit;
the gas output end of the thermal electrolysis unit is connected with the gas storage unit, and the solid-liquid impurity output end is connected with the input end of the slag discharge device;
the output port of the gas storage unit is connected with the input port of a dehydration device, and the dehydration device is used for removing moisture in the gas;
the gas outlet of the dehydration device is communicated with the inlet of the desulfurization and decarburization device after passing through the first heat exchanger, the outlet of the desulfurization and decarburization device is communicated with the input end of the flame arrester, the outlet of the flame arrester is communicated with the deoxidation device, the outlet of the deoxidation device is communicated with the inlet of the denitrification device, the outlet of the denitrification device is connected with the inlet of the gas compression device, the outlet of the gas compression device is communicated with the gas collection device, the output end of the gas collection device is communicated with the inlet of the fuel compressor, and the outlet of the fuel compressor is communicated with the anode inlet of the solid oxide fuel cell unit after passing through the second heat exchanger;
the cathode inlet of the solid oxide fuel cell unit is communicated with the output end of the air compressor after passing through the third heat exchanger;
the anode gas output end of the solid oxide fuel cell unit is communicated with a first input end of the post combustion chamber, the cathode output end of the solid oxide fuel cell unit is communicated with a second input end of the post combustion chamber, and the first output end of the post combustion chamber is communicated with a heat exchange end of the second heat exchange;
and the current output end of the solid oxide fuel cell unit is connected with the input end of the inverter module.
As an optimization: and a second output end of the rear combustion chamber is communicated with a first heat exchange end group of a fourth heat exchanger, and a second heat exchange end group of the fourth heat exchanger is communicated with the heat storage water tank through a pipeline.
As an optimization: the residual gas outlet of the post-combustion chamber is communicated with the input port of the carbon dioxide separation unit, the top of the carbon dioxide separation unit is provided with a feed hopper and a water replenishing port, the bottom of the carbon dioxide separation unit is provided with a waste outlet, the gas outlet of the carbon dioxide separation unit is connected with the output end of the gas collection device after passing through the gas separation chamber, and the residual combustible gas is sent to the fuel compressor for continuous utilization.
As an optimization: and a heat energy recovery box is arranged on the outer wall of the shell of the separation chamber in the carbon dioxide separation unit, and the heat energy recovery box is connected with a hot water storage tank in series.
As an optimization: and a heat energy recovery device is arranged on the surface wall of the slag discharging device and is communicated with the hot water storage tank.
The beneficial effects of this utility do: the solid oxide fuel cell has the characteristics of high efficiency, environmental protection, convenience for modular design, all-solid-state property and the like, does not adopt noble metal as an electrode, greatly reduces the cost, has high waste heat utilization value, can be used for thermoelectric combination, and improves the power generation efficiency of the solid oxide fuel cell. By adopting the combined use of heat and electricity, the efficiency can be greatly improved and can reach 85 percent. The method is environment-friendly, reduces carbon, can reduce carbon emission by 40 percent, and reduces the emission of nitrogen oxides and solid particles by 100 percent. Through the process, the problems of efficiency, environmental pollution and the like existing at present can be well solved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, enables those skilled in the art to more readily understand the advantages and features of the present invention, and thereby makes a more clear and concise definition of the scope of the present invention.
As shown in fig. 1: a thermoelectricity coupling device of agricultural and forestry waste coupled fuel cells is provided with a crushing unit 1, the output end of the crushing unit 1 is communicated with an input material port of a pyroelectrolysis unit 2, and the crushed material completes pyrolysis reaction in the pyroelectrolysis unit 2; the gas output end of the thermal electrolysis unit 2 is connected with the gas storage unit 3, and the solid-liquid impurity output end is connected with the input end of the slag discharging device 4; an output port of the gas storage unit 3 is connected with an input port of a dehydration device 5, and the dehydration device 5 is used for removing moisture in the gas; a gas outlet of the dehydration device 5 is communicated with an inlet of a desulfurization and decarburization device 7 after passing through a first heat exchanger 6, an outlet of the desulfurization and decarburization device 7 is communicated with an input end of a flame arrester 8, an outlet of the flame arrester 8 is communicated with a deoxidation device 9, an outlet of the deoxidation device 9 is communicated with an inlet of a denitrification device 10, an outlet of the denitrification device 10 is connected with an inlet of a gas compression device 11, an outlet of the gas compression device 11 is communicated with a gas collection device 12, an output end of the gas collection device 12 is communicated with an inlet of a fuel compressor 13, and an outlet of the fuel compressor 13 is communicated with an anode inlet of a solid oxide fuel cell unit 15 after passing through a second heat exchanger 14; the cathode inlet of the solid oxide fuel cell unit 15 is communicated with the output end of an air compressor 17 after passing through a third heat exchanger 16; the anode gas output end of the solid oxide fuel cell unit 15 is communicated with a first input end of the post-combustion chamber 18, the cathode output end is communicated with a second input end of the post-combustion chamber 18, and the first output end of the post-combustion chamber 18 is communicated with the heat exchange end of the second heat exchanger 14; the current output of the solid oxide fuel cell unit 15 is connected to the input of the inverter module.
Wherein, the second output end of the post-combustion chamber 18 is communicated with the first heat exchange end group of the fourth heat exchanger 19, and the second heat exchange end group of the fourth heat exchanger 19 is communicated with the hot water storage tank 20 through a pipeline.
The residual gas outlet of the post-combustion chamber 18 is communicated with the input port of the carbon dioxide separation unit 21, the top of the carbon dioxide separation unit 21 is provided with a feed hopper and a water replenishing port, the bottom of the carbon dioxide separation unit is provided with a waste outlet 22, the gas output port of the carbon dioxide separation unit 21 is connected with the output end of the gas collection device 12 after passing through the gas separation chamber 23, and the residual combustible gas is sent to the fuel compressor 13 for continuous utilization.
A thermal energy recovery tank 24 is provided on an outer wall of a housing of the separation chamber 23 in the carbon dioxide separation unit 21, and the thermal energy recovery tank 24 is connected in series to a hot water storage tank.
And a heat energy recovery device is arranged on the surface wall of the slag discharging device 4 and is communicated with the hot water storage tank.
The method for coupling the agricultural and forestry waste with the thermoelectric coupling device of the fuel cell comprises the following specific steps of:
the method comprises the following steps: pouring agricultural and forestry wastes into the tank crushing in a crushing unit;
step two: feeding the crushed materials into a thermal electrolysis unit for pyrolysis to generate combustible gas, non-combustible gas and solid-liquid impurities;
step three: combustible gas and non-combustible gas enter the gas storage unit for storage, solid-liquid impurities enter the slag discharge device to complete heat exchange, and cooled impurities are discharged;
step four: the mixed gas in the gas storage unit passes through a dehydration device to remove water in the gas;
step five: the mixed gas after the moisture is removed is cooled through a first heat exchanger, and the temperature of the mixed gas is further increased by utilizing the waste heat of a dehydration device;
step six: desulfurizing and decarbonizing the mixed gas to remove carbon dioxide and hydrogen sulfide in the gas;
step seven: the mixed gas enters a deoxidizing device after passing through a flame arrester, and oxygen in the mixed gas is removed;
step eight: the mixed gas enters a denitrification device to remove oxynitride in the mixed gas;
step nine: compressing the mixed gas by a fuel compressor;
step ten: air passes through an air compressor to be compressed;
step eleven: the boosted synthesis gas and air respectively enter the anode and the cathode of the solid oxide fuel cell unit after passing through the preheater to complete electrochemical reaction and generate electric energy;
step twelve: the generated direct current is converted into alternating current through the inverter module and is used by a power load or an on-grid power supply;
step thirteen: the synthesis gas which is not completely reacted after the electrochemical reaction and the air enter a post combustion chamber for full reaction;
fourteen steps: one part of the heat energy generated by the afterburner is sent to the second heat exchanger, and the other part of the heat energy is sent to the fourth heat exchanger to heat hot water for storage;
a fifteenth step: residual gas released by the reaction of the post combustion chamber enters the carbon dioxide separation chamber through a residual gas inlet, and the purified gas is sent to a fuel compressor after separation for continuous use.
Claims (5)
1. A combined heat and power device for coupling agricultural and forestry waste with a fuel cell is characterized in that: the output end of the crushing unit is communicated with the material input port of the thermal electrolysis unit, and the crushed material completes the pyrolysis reaction in the thermal electrolysis unit;
the gas output end of the thermal electrolysis unit is connected with the gas storage unit, and the solid-liquid impurity output end is connected with the input end of the slag discharging device;
the output port of the gas storage unit is connected with the input port of a dehydration device, and the dehydration device is used for removing moisture in the gas;
the gas outlet of the dehydration device is communicated with the inlet of the desulfurization and decarburization device after passing through the first heat exchanger, the outlet of the desulfurization and decarburization device is communicated with the input end of the flame arrester, the outlet of the flame arrester is communicated with the deoxidation device, the outlet of the deoxidation device is communicated with the inlet of the denitrification device, the outlet of the denitrification device is connected with the inlet of the gas compression device, the outlet of the gas compression device is communicated with the gas collection device, the output end of the gas collection device is communicated with the inlet of the fuel compressor, and the outlet of the fuel compressor is communicated with the anode inlet of the solid oxide fuel cell unit after passing through the second heat exchanger;
the cathode inlet of the solid oxide fuel cell unit is communicated with the output end of the air compressor after passing through the third heat exchanger;
the anode gas output end of the solid oxide fuel cell unit is communicated with a first input end of the post combustion chamber, the cathode output end of the solid oxide fuel cell unit is communicated with a second input end of the post combustion chamber, and the first output end of the post combustion chamber is communicated with a heat exchange end of the second heat exchange;
and the current output end of the solid oxide fuel cell unit is connected with the input end of the inverter module.
2. The combined heat and power device for coupling the agricultural and forestry waste with the fuel cell as claimed in claim 1, wherein: and a second output end of the rear combustion chamber is communicated with a first heat exchange end group of a fourth heat exchanger, and a second heat exchange end group of the fourth heat exchanger is communicated with the heat storage water tank through a pipeline.
3. The combined heat and power device for coupling the agricultural and forestry waste with the fuel cell as claimed in claim 1, wherein: the residual gas outlet of the post-combustion chamber is communicated with the input port of the carbon dioxide separation unit, the top of the carbon dioxide separation unit is provided with a feed hopper and a water replenishing port, the bottom of the carbon dioxide separation unit is provided with a waste outlet, the gas outlet of the carbon dioxide separation unit is connected with the output end of the gas collection device after passing through the gas separation chamber, and the residual combustible gas is sent to the fuel compressor for continuous utilization.
4. The combined heat and power device for coupling the agricultural and forestry waste with the fuel cell as claimed in claim 3, wherein: and a heat energy recovery box is arranged on the outer wall of the shell of the separation chamber in the carbon dioxide separation unit, and the heat energy recovery box is connected with a hot water storage tank in series.
5. The combined heat and power device for coupling the agricultural and forestry waste with the fuel cell as claimed in claim 4, wherein: and a heat energy recovery device is arranged on the surface wall of the slag discharging device and communicated with the hot water storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221113560.4U CN217709318U (en) | 2022-05-10 | 2022-05-10 | Thermoelectric coupling device for coupling agricultural and forestry waste with fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221113560.4U CN217709318U (en) | 2022-05-10 | 2022-05-10 | Thermoelectric coupling device for coupling agricultural and forestry waste with fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217709318U true CN217709318U (en) | 2022-11-01 |
Family
ID=83793066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221113560.4U Active CN217709318U (en) | 2022-05-10 | 2022-05-10 | Thermoelectric coupling device for coupling agricultural and forestry waste with fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217709318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824387A (en) * | 2022-05-10 | 2022-07-29 | 重庆科技学院 | Thermoelectric coupling system and method for coupling agricultural and forestry waste with fuel cell |
-
2022
- 2022-05-10 CN CN202221113560.4U patent/CN217709318U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824387A (en) * | 2022-05-10 | 2022-07-29 | 重庆科技学院 | Thermoelectric coupling system and method for coupling agricultural and forestry waste with fuel cell |
| CN114824387B (en) * | 2022-05-10 | 2024-02-09 | 重庆科技学院 | Combined heat and power system and method for agriculture and forestry waste coupled fuel cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101427408B (en) | Integrated high efficiency fossil fuel power plant/fuel cell system with co2 emissions abatement | |
| CN107221695B (en) | Fuel cell system for producing hydrogen by biomass gasification and power generation method thereof | |
| CN114824387B (en) | Combined heat and power system and method for agriculture and forestry waste coupled fuel cell | |
| CN1971996B (en) | Proton exchange membrane fuel cell (PEFFC) electric heat combined supply system using biologic garbage | |
| CN102226107A (en) | Technology and equipment for preparation of synthetic gas by two-stage high temperature biomass gasification | |
| CN217709318U (en) | Thermoelectric coupling device for coupling agricultural and forestry waste with fuel cell | |
| CN113293014A (en) | Negative carbon emission biomass pyrolytic carbon hydrogen-electricity poly-generation method and device | |
| CN102324539A (en) | Fluid bed electrode direct carbon fuel cell device | |
| CN208955118U (en) | A kind of solid oxide fuel cell exhaust treatment system based on electrolytic tank of solid oxide | |
| WO2024170007A1 (en) | Steel product carbon neutralization method based on negative carbon emission becnu ecosystem engineering carbon cycle | |
| CN115466637B (en) | Fuel cell power generation system and method for coupling biomass energy and solar energy | |
| CN207009562U (en) | A kind of fuel cell system with biomass gasifying hydrogen making | |
| CN103484137A (en) | Carbonizing apparatus and carbonizing method for waste solid organic matters | |
| CN102185149B (en) | Compact flat-plate solid oxide direct carbon fuel cell stack | |
| CN210595292U (en) | Ammonia recovery and fuel cell power generation system applied to sewage treatment plant | |
| CN203932215U (en) | The device of a kind of biomass combined cycle generation separating carbon dioxide | |
| CN109449454B (en) | Solid oxide fuel cell device using raw coke oven gas | |
| CN113770156A (en) | Carbon-neutral urban community energy circulation system cluster | |
| CN202034437U (en) | Fuel cell stack | |
| CN216426759U (en) | Hydrogen production system for anaerobic fermentation of kitchen waste into biogas | |
| CN117559397B (en) | Comprehensive energy system and method for multi-energy complementation of organic solid waste and new energy | |
| CN213630429U (en) | Device for generating electricity by burning household garbage and coupling coal | |
| CN215418261U (en) | Power generation system of molten carbonate fuel cell | |
| CN210640320U (en) | Power generation system of agriculture and forestry biomass gasification parallel solid oxide fuel cell | |
| CN110482570B (en) | Recovered ammonia and fuel cell power generation system and method applied to sewage treatment plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |