CN211707688U - Comprehensive energy utilization system for farm - Google Patents

Comprehensive energy utilization system for farm Download PDF

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Publication number
CN211707688U
CN211707688U CN201921107963.6U CN201921107963U CN211707688U CN 211707688 U CN211707688 U CN 211707688U CN 201921107963 U CN201921107963 U CN 201921107963U CN 211707688 U CN211707688 U CN 211707688U
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storage tank
heat
tank
waste heat
farm
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梁晶
周宇昊
谢玉荣
张钟平
王世朋
柯冬冬
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Huadian Electric Power Research Institute Co Ltd
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Huadian Electric Power Research Institute Co Ltd
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    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
    • 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
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or 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
    • 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
    • Y02T10/30—Use of alternative fuels, e.g. biofuels
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/20—Waste processing or separation

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Abstract

The utility model discloses a comprehensive energy utilization system for plant belongs to distributed energy application technical field. The system comprises a feeder, a dung-grass separator, an acidification tank, a fermentation tank, a biogas slurry storage tank, a solid-liquid separator, a desulfurization and dehydration system, a gas storage tank, a generator set, a waste heat boiler, a lithium bromide unit, a solar heat collector, a heat storage tank, a solar photovoltaic component, a water pump, a reservoir and a torch; the livestock and poultry manure is treated in a centralized manner, and methane and solar energy are organically combined, so that cold, heat and electricity are generated, the requirements of power utilization, production heat, domestic water, domestic heating, air-conditioning refrigeration and the like of a farm are met, the biogas slurry and the solid organic fertilizer can be generated to replace pesticides and fertilizers, and the livestock and poultry manure is changed into valuable.

Description

Comprehensive energy utilization system for farm
Technical Field
The utility model relates to a distributed energy uses technical field, specifically is to relate to a comprehensive energy utilizes system for plant, provides comprehensive energy for plant and supplies with.
Background
With the increasing requirements of people on living level, the demands for high-quality milk sources and meat sources are continuously increased, and the breeding industry of China shows a rapidly growing trend. At the same time, however, the scaling of livestock and poultry farming also brings with it non-negligible environmental problems. The processes of stacking livestock and poultry manure, cleaning manure, flushing and the like are easy to pollute water, and according to investigation, most of manure in farms is generally discharged on site without any treatment. The livestock and poultry manure is piled up or discharged to a nearby ditch for a long time, so that water and air are polluted, and mosquitoes and flies are bred; the sewage rich in a large amount of organic matters and N, P nutrient elements enters rivers and lakes to cause water eutrophication; and the water permeates into the underground to ensure that the nitrate nitrogen, the hardness and the total number of bacteria in the underground water exceed the standard. For a long time, the method not only pollutes the surrounding environment, but also influences the quality of livestock and poultry, and restricts the healthy development of the whole rural economy. Meanwhile, the breeding industry is a large energy demand household, long-term demands are made on cold, heat and electricity, and the dependence on fossil fuels causes environmental pollution and resource waste.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a comprehensive energy utilization system for plant, combine marsh gas, solar energy organic, satisfy demands such as plant's factory electricity consumption, production with heat, domestic water, life heating, air conditioner refrigeration, can effectively solve the problem in the background art.
The utility model provides a technical scheme that above-mentioned problem adopted is: a comprehensive energy utilization system for a farm is characterized by comprising a feeder, a dung-grass separator, an acidification tank, a fermentation tank, a biogas slurry storage tank, a solid-liquid separator, a desulfurization and dehydration system, a gas storage tank, a generator set, a waste heat boiler, a lithium bromide unit, a solar thermal collector, a heat storage tank, a solar photovoltaic module, a water pump, a reservoir and a torch; the feeder, the manure and straw separator, the acidification tank and the fermentation tank are sequentially connected, the fermentation tank, the desulfurization and dehydration system, the gas storage tank, the generator set and the waste heat boiler are sequentially connected, and the waste heat boiler is connected with the lithium bromide unit; the fermentation tank is also connected with a biogas slurry storage pool, and the biogas slurry storage pool is connected with a solid-liquid separator; the solar heat collector is connected with the heat storage tank, and the heat storage tank is used for supplying heat to a plant area, preheating methane, heating water supply, heating a fermentation tank and the like; the solar photovoltaic module is connected with a water pump, the water pump is connected with a reservoir, and the reservoir is respectively connected with the waste heat boiler and the heat storage tank; the torch is connected with the gas storage tank.
Furthermore, the waste heat boiler is also connected with the fermentation tank.
Further, the heat storage tank is connected with the fermentation tank, the waste heat boiler and the lithium bromide unit respectively.
Furthermore, the configured generator set is mainly used as a power supply of the farm and is used for providing daily electricity for the farm and running electricity for the water pump; the configured waste heat boiler is mainly used for providing heating, hot water and air conditioning refrigeration for the farm and heating the fermentation tank.
Furthermore, the configured solar photovoltaic module and the solar thermal collector are mainly used for guaranteeing daily heat and electricity consumption of a farm, can preheat methane entering a generator set and feed water entering a waste heat boiler, improve the comprehensive energy efficiency of the system, and can also maintain basic service power under the condition that the generator set stops running; the heat of the heat storage tank directly enters a lithium bromide unit, so that the normal energy of a farm is maintained, the fermentation tank can be heated, and the process requirements of the fermentation tank are guaranteed; when the lithium bromide unit is stopped, the heat storage tank can still directly supply heat to the plant area.
Furthermore, the configured torch can safely burn redundant gas under the conditions of shutdown of a generator set, surplus gas in a gas storage tank and the like, so that the safety of the whole system is improved, and the odor pollution is reduced.
Furthermore, the configured water pump pumps the underground water into the reservoir as a water storage source, and can provide supplementary water for the waste heat boiler, water for the heat storage tank and domestic water.
Furthermore, the configured biogas slurry storage tank and the solid-liquid separator store the residual waste residues and waste liquids after biogas generation, so that biogas slurry returning and solid organic fertilizer generation are realized.
Compared with the prior art, the utility model, have following advantage and effect: the utility model discloses with animal manure centralized processing, marsh gas, solar energy combine organically, both produce cold, heat, electricity and satisfy demands such as plant power consumption, production with heat, domestic water, life heating, air conditioning refrigeration, can produce the use that natural pond liquid and solid organic fertilizer replace pesticide, chemical fertilizer again, make animal manure changing waste into valuables.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure: the system comprises a feeder 1, a dung-grass separator 2, an acidification tank 3, a fermentation tank 4, a biogas slurry storage tank 5, a solid-liquid separator 6, a desulfurization and dehydration system 7, a gas storage tank 8, a generator set 9, a waste heat boiler 10, a lithium bromide unit 11, a solar heat collector 12, a heat storage tank 13, a solar photovoltaic module 14, a water pump 15, a water storage tank 16 and a torch 17.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1, the comprehensive energy utilization system for a farm in the embodiment includes a feeder 1, a manure separator 2, an acidification tank 3, a fermentation tank 4, a biogas slurry storage tank 5, a solid-liquid separator 6, a desulfurization and dehydration system 7, a gas storage tank 8, a generator set 9, a waste heat boiler 10, a lithium bromide unit 11, a solar thermal collector 12, a heat storage tank 13, a solar photovoltaic module 14, a water pump 15, a water reservoir 16 and a torch 17.
The feeder 1, the manure separator 2, the acidification tank 3 and the fermentation tank 4 are sequentially connected, the fermentation tank 4, the desulfurization and dehydration system 7, the gas storage tank 8, the generator set 9 and the waste heat boiler 10 are sequentially connected, and the waste heat boiler 10 is connected with the lithium bromide unit 11; the fermentation tank 4 is also connected with a biogas slurry storage tank 5, and the biogas slurry storage tank 5 is connected with a solid-liquid separator 6; the solar heat collector 12 is connected with the heat storage tank 13, and the heat storage tank 13 is used for supplying heat to a plant area, preheating methane, heating water supply, heating a fermentation tank and the like; the solar photovoltaic module 14 is connected with a water pump 15, the water pump 15 is connected with a water storage tank 16, and the water storage tank 16 is respectively connected with the waste heat boiler 10 and the heat storage tank 13; the torch 17 is connected with the gas storage tank 8. The waste heat boiler 10 is also connected to the fermenter 4. The heat storage tank 13 is also respectively connected with the fermentation tank 4, the waste heat boiler 10 and the lithium bromide unit 11.
The operation process is as follows: firstly, uniformly collecting fresh livestock and poultry manure produced in a farm every day, conveying the manure to a manure and straw separator 2 through a feeder 1, after treatment, feeding the manure into an acidification tank 3, after acidification for a period of time, feeding feed liquid into a fermentation tank 4, purifying biogas generated by fermentation through a desulfurization and dehydration system 7, and then feeding the biogas to a gas storage tank 8, converting chemical energy into electric energy for use in the farm through combustion work in a generator set 9, and selling electricity on the internet when redundant electric quantity is used; waste gas and waste heat of the generator set 9 enter a waste heat boiler 10 for utilization, generated steam and flue gas enter a lithium bromide unit 11 to provide air conditioning refrigeration and domestic heat and water for a plant area, and meanwhile, heat of the waste heat boiler 10 is sent into a fermentation tank 4 to heat the waste heat boiler, so that the process requirements of the waste heat boiler are guaranteed; meanwhile, biogas residues generated by the fermentation tank 4 pass through the biogas slurry storage tank 5 and the solid-liquid separator 6 to generate biogas slurry fertilizer and solid fertilizer, and the biogas slurry and the solid organic fertilizer are returned to the field for utilization, so that the use of pesticides and fertilizers is replaced, and the biogas slurry fermentation tank is economical and environment-friendly; in addition, the solar heat collector 12 stores heat in the heat storage tank 13 when the sunlight is sufficient, can be used as an auxiliary heat source of the lithium bromide unit 11, and can also directly supply heat to a farm when the lithium bromide unit 11 is stopped, so that the heat utilization safety is guaranteed; meanwhile, the heat storage tank 13 is also used as an auxiliary heat source of the fermentation tank 4, so that stable heat utilization and production safety of the fermentation tank 4 are guaranteed when the waste heat boiler 10 is shut down; meanwhile, the heat storage tank 13 also preheats the methane entering the generator set 9, so that the operation efficiency of the generator set 9 is improved; meanwhile, the heat storage tank 13 also heats the feed water provided by the water storage tank 16 to the waste heat boiler 10, so that the boiler efficiency is improved; the solar photovoltaic module 14 provides self-use electric energy for the farm, realizes self-use and surplus electricity surfing, improves the economy, and is complementary with the generator set 9 to ensure the safety and stability of electricity utilization; the water pump 15 pumps the underground water to the reservoir 16 by using the electric power provided by the generator set 9 and the solar photovoltaic module 14, so as to provide water sources for the waste heat boiler 10 and the heat storage tank 13 and provide domestic water for the farm; and the torch 17 is used for safely incinerating redundant gas under the conditions that the generator set 9 stops running, the gas storage tank 8 is excessive and the like, so that the safety of the whole system is improved, and the odor pollution is reduced.
In the embodiment, the comprehensive energy utilization system for the farm utilizes the livestock and poultry manure waste, and the generated electric energy can not only meet the self power utilization requirement of the farm, but also expand the economic income of the farm by surfing the Internet with the surplus power; the waste heat is utilized to heat the fermentation tank, and meanwhile, a lithium bromide unit can be used for generating domestic cold and heat, so that the farm is self-sufficient, and the energy is efficiently and stepwisely utilized; by applying the solar photovoltaic module and the solar thermal collector, renewable energy is utilized, the environmental protection performance of the system is improved, multiple guarantees of electric power and a heat source are realized for the energy supply of the system, and the safety of the system is improved; a biogas torch is configured, and under the conditions of shutdown of a generator set, excess gas in a gas storage tank and the like, the excess gas is safely incinerated, so that the safety of the whole system is improved, and the odor pollution is reduced; a water pump is configured to solve the problems of a boiler, a heat storage tank and domestic water; the fermented waste is subjected to solid-liquid separation to generate an organic fertilizer, so that the organic fertilizer is used to replace a chemical fertilizer, the waste is recycled, and the organic fertilizer is economical and environment-friendly.
In addition, it should be noted that the above contents described in the present specification are only illustrations of the structure of the present invention. All equivalent changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions by those skilled in the art may be made to the described embodiments without departing from the scope of the invention as defined in the accompanying claims.

Claims (3)

1. A comprehensive energy utilization system for a farm is characterized by comprising a feeder (1), a dung-grass separator (2), an acidification pool (3), a fermentation tank (4), a biogas slurry storage pool (5), a solid-liquid separator (6), a desulfurization and dehydration system (7), a gas storage tank (8), a generator set (9), a waste heat boiler (10), a lithium bromide unit (11), a solar heat collector (12), a heat storage tank (13), a solar photovoltaic component (14), a water pump (15), a reservoir (16) and a torch (17); the feeder (1), the manure separator (2), the acidification tank (3) and the fermentation tank (4) are sequentially connected, the fermentation tank (4), the desulfurization and dehydration system (7), the gas storage tank (8), the generator set (9) and the waste heat boiler (10) are sequentially connected, and the waste heat boiler (10) is connected with the lithium bromide unit (11); the fermentation tank (4) is also connected with a biogas slurry storage tank (5), and the biogas slurry storage tank (5) is connected with a solid-liquid separator (6); the solar heat collector (12) is connected with a heat storage tank (13), and the heat storage tank (13) is used for supplying heat to a plant area; the solar photovoltaic module (14) is connected with a water pump (15), the water pump (15) is connected with a water storage tank (16), and the water storage tank (16) is respectively connected with the waste heat boiler (10) and the heat storage tank (13); the torch (17) is connected with the gas storage tank (8).
2. An integrated energy utilization system for a farm according to claim 1, characterized in that the waste heat boiler (10) is also connected to the fermentation tank (4).
3. The comprehensive energy utilization system for farms according to claim 1, wherein the heat storage tank (13) is further connected to the fermentation tank (4), the waste heat boiler (10), and the lithium bromide unit (11), respectively.
CN201921107963.6U 2019-07-16 2019-07-16 Comprehensive energy utilization system for farm Active CN211707688U (en)

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CN201921107963.6U CN211707688U (en) 2019-07-16 2019-07-16 Comprehensive energy utilization system for farm

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