CN212106052U - A complementary cyclic utilization system of multipotency for facility agriculture - Google Patents
A complementary cyclic utilization system of multipotency for facility agriculture Download PDFInfo
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- CN212106052U CN212106052U CN201922013930.1U CN201922013930U CN212106052U CN 212106052 U CN212106052 U CN 212106052U CN 201922013930 U CN201922013930 U CN 201922013930U CN 212106052 U CN212106052 U CN 212106052U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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
- 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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
Abstract
A multi-energy complementary cyclic utilization system for facility agriculture is characterized in that a multi-energy complementary energy control system intelligently and uniformly schedules electric power from a wind power generation system, a municipal power grid, a gas distributed generator set and a solar power generation system to supply power for production and living; the gas distributed generator set adopts municipal gas or methane from a methane tank to generate electricity; the flue gas waste heat of the gas distributed generator set provides heat energy for a planting greenhouse, a methane tank, livestock and poultry cultivation and aquaculture; the solar power generation system is arranged on the roof of the planting greenhouse; the planting greenhouse provides green feed for livestock and poultry cultivation and aquaculture, and the planting greenhouse, the livestock and poultry cultivation and the aquaculture together provide biogas raw materials for the biogas digester; the methane tank provides methane for the gas distributed generator set and fertilizer for the planting greenhouse.
Description
Technical Field
The utility model belongs to the energy supply field, concretely relates to complementary cyclic utilization system of multipotency for facility agriculture.
Background
The facility agriculture is a production mode for comprehensively applying engineering equipment technology, biotechnology and environmental technology, improving or creating environmental meteorological factors in a local range according to the optimal environment required by growth and development of animals and plants by adopting certain facilities and devices, so that the plants or animals obtain the optimal growth environment, such as greenhouses, agricultural factories, industrial farms and the like.
In order to realize and maintain the optimal growth environment of animals and plants, facility agriculture needs to consume a large amount of energy sources such as electric power, heat, cold and the like, and the energy cost accounts for about 15-40% of the total cost of the facility agriculture production. Therefore, the supply safety of energy directly influences the normal production of facility agriculture; the cost of energy sources directly influences the production cost of facility agriculture; the acquisition mode of energy directly determines facility agriculture CO2And pollutant emission levels.
There are two main types of energy sources for facility agriculture, namely conventional energy sources and renewable energy sources. Conventional energy sources are mainly municipal power and fossil fuels; the renewable energy mainly comprises solar energy, wind energy, methane, a ground source heat pump and the like.
At present, in the process of facility agricultural production, the energy utilization modes include the following modes:
(1) municipal electric power is mainly used for driving agricultural production machinery and production control systems, and is also used for converting heat and cold to keep the environmental requirements of facility agriculture, such as electric heating, electric refrigeration and the like;
(2) fossil fuels are mainly used for boiler heating, wherein natural gas is also used for gas-fired distributed combined cooling, heating and power: the gas distributed generator set burns natural gas to generate electricity, provides electric power for facility agriculture, simultaneously recycles waste heat and flue gas generated by electricity generation, uses flue gas heat as a heat source and a cold source of a greenhouse, and uses CO in the flue gas2The purified product is used as plant gas fertilizer to promote plant growth;
(3) solar energy is mainly used for solar photovoltaic power generation systems and solar water heating systems;
(4) the wind energy is mainly used for wind power generation and wind heating;
(5) the biogas is produced by fermenting agricultural wastes, livestock and poultry, aquaculture excrement and the like by microorganisms; the device is mainly used for boiler heating and gas distributed type combined supply of cold, heat and electricity: the gas distributed generator set burns biogas to generate electricity, provides electricity for the agricultural greenhouse, simultaneously recycles waste heat and flue gas generated by electricity generation, uses the heat of the flue gas as a heat source and a cold source of the greenhouse, and uses CO in the flue gas2After being purified, the product is used asThe plant air fertilizer promotes the growth of plants; biogas residues and biogas slurry are used as fertilizers for plant growth;
(6) the ground source heat pump is used as a cold and heat source of the ground source heat pump by consuming electric energy and utilizing cold and heat exchange between water and terrestrial heat resources (underground water, soil or surface water) on the shallow layer of the earth surface. In summer, the underground cold is extracted for refrigeration, and in winter, the underground heat is extracted for heating.
Although renewable energy is used in facility agriculture, not only energy consumption can be reduced, but also CO can be reduced2And the emission of various pollutants, is a green and environment-friendly agricultural production mode and is also a development direction of future facility agriculture, but the utilization mode of renewable energy in facility agriculture in China has some problems at present:
(1) solar energy: due to the influence of environments such as geographical positions, seasons, rainy days, nights or special weather and the like, the production and the supply of solar energy are intermittent and cannot be ensured to be continuous; in addition, due to the limitation of the technical level, the conversion efficiency of solar photovoltaic power generation is low.
(2) Wind energy: the wind energy utilization is severely limited by geographical positions, and the wind energy utilization has the defects of intermittence, instability, low conversion efficiency, large occupied area and the like.
(3) Biogas: the production of the biogas is greatly influenced by the temperature and the raw materials; sulfides in the methane can corrode equipment, and desulfurization is needed; the emission of NOx after biogas combustion to the atmosphere can seriously pollute the environment.
(4) A ground source heat pump: firstly, the ground source heat pump needs to consume municipal power to drive the air conditioning equipment, and the main source of the municipal power is coal power, so that CO is increased2And the emission of pollutants; secondly, the southern area is mainly used for cooling and mainly injects heat into the ground; in northern areas, the heating demand is large in winter, and cold energy is mainly injected underground, so that the underground temperature is unbalanced after the system operates all year round, the system efficiency is reduced, and the surrounding ecology is influenced; third, because wells need to be drilled into the ground, there must be sufficient area for drilling and pipe laying; fourth, the construction costs are higher than those of the conventional air conditioner due to the well drilling, installation, etc. involvedNearly 40%; fifthly, as the ground source heat pump structure is more complex, the requirements on design, construction and construction site management are higher, once underground equipment fails, the underground equipment cannot be maintained, and only the underground equipment can be abandoned or a well can be dug again.
(5) The energy type is single, and the guarantee coefficient is low: at present, the renewable energy sources in facility agriculture are single in energy source type, and most renewable energy sources are only utilized, such as agricultural light complementation, a methane boiler and the like; once renewable energy sources have problems, the safety of the supply of electric power, cold and heat of the agricultural greenhouse cannot be guaranteed without standby energy sources.
SUMMERY OF THE UTILITY MODEL
The utility model provides a complementary cyclic utilization system of multipotency for facility agriculture adopts multipotency complementary mode, combines together municipal power, fossil energy, clean energy, renewable energy and circular economy, in facility agriculture's production process, coordinates the operation of various energy supply modes, makes its and facility agriculture's energy demand phase-match to reach promotion energy guarantee coefficient, reduce carbon dioxide emission and environmental pollution, reduce energy cost, realize energy resource comprehensive utilization's purpose.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a multi-energy complementary recycling system for use in facility agriculture, comprising: the power input end of the multi-energy complementary energy control system is respectively connected with the wind power generation system, the municipal power grid, the gas distributed generator set and the solar power generation system; the power output end of the multi-energy complementary energy control system is connected with power for production and living; the gas supply end of the gas distributed generator set is respectively connected with a gas pipeline/storage tank and a biogas desulfurization tower, and the electric energy output end of the gas distributed generator set is connected with the multi-energy complementary energy control system; a smoke outlet of the gas distributed generator set is connected with the lithium bromide unit; the smoke outlet of the lithium bromide unit is connected with a smoke purification tower; the exhaust port of the flue gas purification tower and the urea solution outlet are respectively connected with the planting greenhouse; the circulating water inlet and outlet of the lithium bromide unit are respectively connected with the plate heat exchanger through a water circulating pipeline; the circulating water inlet and outlet of the sleeve of the plate heat exchanger are respectively connected with temperature regulators of a planting greenhouse, a methane tank, livestock and poultry cultivation and aquaculture through water circulating pipelines; the solar power generation system is arranged on the roof of the planting greenhouse; the goods outlet of the planting greenhouse is respectively connected with the raw material inlet of the methane tank and the feed inlets of the livestock and poultry cultivation and the aquaculture; the feces outlets of the livestock and poultry breeding and the aquaculture are connected with the methane tank; the methane outlet of the methane tank is connected with the gas inlet of the methane desulfurizing tower; the gas outlet of the biogas desulfurization tower is connected with the gas inlet of the gas distributed generator set; and a manure outlet of the methane tank is connected with a fertilizer inlet of the planting greenhouse.
Compared with the prior art, the utility model has the advantages that:
(1) the utility model carries out centralized control on wind energy, solar energy, energy storage, methane, gas distributed power generation, municipal power grid and other energy sources, and carries out intelligent scheduling through a multi-energy complementary energy control system, so that the renewable energy sources and the conventional energy sources can make up for deficiencies and complement each other, and are mutually standby, and the energy guarantee coefficient is improved; (2) by increasing the utilization ratio and efficiency of renewable energy sources, the municipal power consumption of facility agriculture is reduced; the energy cost is saved, and the economical efficiency of facility agriculture is improved; the emission of carbon dioxide is reduced; the environmental pollution of facility agriculture is basically eliminated; (3) the carbon dioxide recycling system is arranged, so that CO can be fully utilized2Increase the yield of crops and further reduce CO in facility agriculture2And (5) discharging. The device is used for distributing CO in the waste heat flue gas at night2And CO emitted by respiration of crops2Collecting and storing; in daytime, the fertilizer is released into a planting greenhouse as an air fertilizer for increasing the yield of crops; (4) combines the multi-energy complementation with the circular economy, realizes the cyclic utilization of energy resources, breaks through the conversion barrier between the energy and the resources and realizes theThe purpose of comprehensive utilization of energy resources is achieved.
Drawings
Fig. 1 is a schematic view of the multi-energy complementary recycling system of the present invention;
in the figure: the method comprises the following steps of 1-wind power generation system, 2-production and domestic electricity, 3-multi-energy complementary energy control system, 4-energy storage battery, 5-municipal power grid, 6-gas distributed generator set, 7-gas pipeline/storage tank, 8-biogas desulfurization tower, 9-flue gas purification tower, 10-lithium bromide unit, 11-emergency cooling tower, 12-plate heat exchanger, 13-carbon dioxide recycling device, 14-planting greenhouse, 15-greenhouse roof solar power generation system, 16-biogas digester, 17-livestock and poultry cultivation and 18-aquaculture.
Detailed Description
The technical solution of the present invention will be clearly and completely described below, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
A multi-energy complementary recycling system for use in facility agriculture, comprising: the power input end of the multi-energy complementary energy control system 3 is respectively connected with the wind power generation system 1, the municipal power grid 5, the gas distributed generator set 6 and the solar power generation system 15, so that the power is uniformly controlled and scheduled, and the power is supplied by one or more power sources according to actual needs; the power output end of the multi-energy complementary energy control system 3 is connected with the production and living electricity 2 to provide electric energy for the production and living electricity 2;
further, the multi-energy complementary energy control system 3 is also connected with an energy storage battery 4, and is used for adjusting the wave crest and the wave trough of the electric power through the energy storage and release of the energy storage battery 4;
the gas supply end of the gas distributed generator set 6 is respectively connected with a gas pipeline/storage tank 7 and a methane desulfurizing tower 8, and electric energy is produced by burning natural gas sent by the gas pipeline/storage tank 7 and/or desulfurized methane sent by the methane desulfurizing tower 8; the electric energy output end of the multi-energy complementary energy control system is connected with the multi-energy complementary energy control system 3;
a smoke outlet of the gas distributed generator set 6 is connected with the lithium bromide unit 10, and the lithium bromide unit 10 is driven to work by using high-temperature waste heat smoke to generate cold water or hot water;
the smoke outlet of the lithium bromide unit 10 is connected with the smoke purification tower 9, and the low-temperature waste heat smoke which releases heat is supplied to the smoke purification tower 9; the flue gas purification tower 9 removes flue gas particles from the low-temperature waste heat flue gas, and removes NOx in the flue gas by adopting a urea solution to produce a nitrogen fertilizer;
the exhaust port of the flue gas purification tower 9 and the urea solution outlet are respectively connected with the planting greenhouse 14, the exhausted clean carbon dioxide gas is supplied to plants in the greenhouse as air fertilizer, and the urea solution is supplied to the plants in the greenhouse as nitrogen fertilizer;
further, a carbon dioxide recycling device 13 is arranged between the flue gas purification tower 9 and the planting greenhouse 14, and is respectively connected with the carbon dioxide recycling device and the planting greenhouse 14 through carbon dioxide recycling pipelines for adjusting the concentration of carbon dioxide in the planting greenhouse 14;
a circulating water inlet and a circulating water outlet of the lithium bromide unit 10 are respectively connected with the plate heat exchanger 12 through a water circulating pipeline, and the residual energy is supplied to the plate heat exchanger 12 for heat exchange; the sleeve circulating water inlet and outlet of the plate heat exchanger 12 are respectively connected with temperature regulators of a planting greenhouse 14, a methane tank 16, a livestock and poultry breeding 17 and an aquaculture 18 through water circulating pipelines, and energy obtained by exchanging waste heat of the lithium bromide unit 10 is supplied to the end users through circulating water;
the solar power generation system 15 is arranged on the roof of the planting greenhouse 14; the goods outlet of the planting greenhouse 14 is respectively connected with the raw material inlet of the methane tank 16, the feed inlets of the livestock and poultry cultivation 17 and the aquaculture 18, so as to provide green feed for the livestock and poultry cultivation 17 and the aquaculture 18 and provide agricultural planting waste for the methane tank 16 as a methane raw material;
the feces outlets of the livestock and poultry cultivation 17 and the aquaculture 18 are connected with the biogas digester 16, and excrement of the livestock and poultry cultivation and excrement of the aquaculture are provided for the biogas digester as biogas raw materials; a methane outlet of the methane tank 16 is connected with an air inlet of a methane desulfurizing tower 8, and sulfur in the flue gas is removed by adopting ferric oxide; the gas outlet of the biogas desulfurization tower 8 is connected with the gas inlet of the gas distributed generator set 6, and the desulfurized biogas is supplied to the gas distributed generator set 6 for power generation;
and a manure outlet of the methane tank 16 is connected with a fertilizer inlet of the planting greenhouse 14, and provides methane residual mud as fertilizer for the planting greenhouse 14.
Further, the lithium bromide unit 10 is connected with an emergency cooling tower 11 through a water outlet and a water inlet respectively, and when the return water of the plate heat exchanger 12 cannot meet the requirement of the lithium bromide unit 10, the emergency cooling tower 11 provides circulating heating and cooling of water.
Further, the temperature regulator of the planting greenhouse 14 is a blast type heat exchanger arranged inside; the temperature regulator of the methane tank 16 is a winter warmer arranged inside; the temperature regulator of the livestock and poultry breeding 17 is a blast type heat exchanger arranged inside; the temperature regulator of the aquaculture 18 is a water temperature controller arranged inside.
Claims (5)
1. A multi-energy complementary recycling system for use in facility agriculture, comprising: the system comprises a multi-energy complementary energy control system (3), wherein the power input end of the multi-energy complementary energy control system (3) is respectively connected with a wind power generation system (1), a municipal power grid (5), a gas distributed generator set (6) and a solar power generation system (15); the power output end of the multi-energy complementary energy control system (3) is connected with the production and living electricity (2); the gas supply end of the gas distributed generator set (6) is respectively connected with a gas pipeline/storage tank (7) and a biogas desulfurization tower (8), and the electric energy output end of the gas distributed generator set is connected with the multi-energy complementary energy control system (3); a smoke outlet of the gas distributed generator set (6) is connected with the lithium bromide unit (10); the smoke outlet of the lithium bromide unit (10) is connected with a smoke purification tower (9); the exhaust port of the flue gas purification tower (9) and the urea solution outlet are respectively connected with a planting greenhouse (14); a circulating water inlet and a circulating water outlet of the lithium bromide unit (10) are respectively connected with the plate heat exchanger (12) through a water circulating pipeline; the sleeve circulating water inlet and outlet of the plate heat exchanger (12) are respectively connected with temperature regulators of a planting greenhouse (14), a methane tank (16), livestock and poultry breeding (17) and aquaculture (18) through water circulating pipelines; the solar power generation system (15) is arranged on the roof of the planting greenhouse (14); the goods outlet of the planting greenhouse (14) is respectively connected with the raw material inlet of the methane tank (16), the feed inlet of the livestock and poultry culture (17) and the feed inlet of the aquaculture (18); the manure outlets of the livestock and poultry breeding (17) and the aquaculture (18) are connected with the methane tank (16); a methane outlet of the methane tank (16) is connected with an air inlet of the methane desulfurizing tower (8); the gas outlet of the biogas desulfurization tower (8) is connected with the gas inlet of the gas distributed generator set (6); the manure outlet of the methane tank (16) is connected with the fertilizer inlet of the planting greenhouse (14).
2. The multi-energy complementary recycling system according to claim 1, characterized in that the multi-energy complementary energy control system (3) is further connected to an energy storage battery (4).
3. The multi-energy complementary recycling system according to claim 1, wherein a carbon dioxide recycling device (13) is further provided between the flue gas purification tower (9) and the planting greenhouse (14), and the carbon dioxide recycling device and the planting greenhouse are respectively connected with a carbon dioxide recycling pipeline.
4. The multi-energy complementary recycling system according to claim 1, wherein the lithium bromide unit (10) is further connected to an emergency cooling tower (11) through a water outlet and a water inlet, respectively.
5. The multi-energy complementary recycling system according to claim 1, characterized in that the temperature regulator of the planting greenhouse (14) is an internally provided blower heat exchanger; the temperature regulator of the methane tank (16) is a winter warmer arranged inside; the temperature regulator of the livestock and poultry breeding (17) is a blast type heat exchanger arranged inside; the temperature regulator of the aquaculture (18) is a water temperature controller arranged inside.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112889547A (en) * | 2021-02-26 | 2021-06-04 | 苏州安瑞可信息科技有限公司 | Energy-saving planting room using waste heat of data center |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112889547A (en) * | 2021-02-26 | 2021-06-04 | 苏州安瑞可信息科技有限公司 | Energy-saving planting room using waste heat of data center |
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