CN107726423B - Gas and greenhouse gas fertilizer application increasing coupling utilization system and operation method thereof - Google Patents
Gas and greenhouse gas fertilizer application increasing coupling utilization system and operation method thereof Download PDFInfo
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- CN107726423B CN107726423B CN201710843362.0A CN201710843362A CN107726423B CN 107726423 B CN107726423 B CN 107726423B CN 201710843362 A CN201710843362 A CN 201710843362A CN 107726423 B CN107726423 B CN 107726423B
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- 239000007789 gas Substances 0.000 title claims abstract description 97
- 239000003337 fertilizer Substances 0.000 title claims abstract description 27
- 230000008878 coupling Effects 0.000 title claims abstract description 15
- 238000010168 coupling process Methods 0.000 title claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000005431 greenhouse gas Substances 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 107
- 238000003860 storage Methods 0.000 claims abstract description 62
- 238000005338 heat storage Methods 0.000 claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims description 19
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 18
- 239000003546 flue gas Substances 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 239000003345 natural gas Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical group [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
- F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/18—Greenhouses for treating plants with carbon dioxide or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
-
- 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
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
-
- 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
- F24D2200/00—Heat sources or energy sources
- F24D2200/16—Waste heat
- F24D2200/18—Flue gas recuperation
-
- 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
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The invention relates to a gas and greenhouse gas fertilizer applying coupling utilization system and an operation method thereof, wherein the gas and greenhouse gas fertilizer applying coupling utilization system comprises a gas turbine, a heat exchanger, a gas storage tank, a greenhouse, a heat storage water tank, a circulating water pump and a heat user, wherein the gas turbine is communicated with a gas side inlet of the heat exchanger, a gas side outlet of the heat exchanger is communicated with the gas storage tank, the gas storage tank is communicated with the greenhouse, a second valve is arranged between the gas side outlet of the heat exchanger and the gas storage tank, and a third valve is arranged between the gas storage tank and the greenhouse; the water side of the heat exchanger, the heat storage water tank, the heat user and the circulating water pump are sequentially connected to form a closed loop. The invention fully improves the energy utilization efficiency of the gas distributed system and realizes the CO of the gas distributed system 2 The emission is reduced and utilized, and the practical application value is high.
Description
Technical Field
The invention belongs to the field of energy utilization, and particularly relates to a gas and greenhouse gas fertilizer application coupling utilization system and an operation method thereof.
Background
The distributed energy supply system is a medium and small terminal energy supply system which is positioned at or near a load center and directly provides various forms of energy for users, and compared with the traditional centralized energy production and transmission and distribution system, the distributed energy supply system is more convenient for realizing the cascade utilization of energy, realizing the high-efficiency use of energy and avoiding the transmission and distribution loss of the centralized energy supply system. The gas distributed energy system is a combined cooling, heating and power energy supply system which takes a gas turbine as a core and takes a lithium bromide unit or other heat storage and cold storage components as auxiliary equipment, and is suitable for industrial parks or building groups with certain scale and having lower-grade cooling and heating product requirements.
In the greenhouse environment, in order to maintain indoor temperature, the greenhouse is generally closed, so that the crops in the greenhouse need CO for photosynthesis 2 Essentially at a lower concentration level. In order to make crops thrive and increase yield, the greenhouse needs to be timely supplemented with CO 2 The gas fertilizer is at a proper concentration level. In China, CO 2 The gas fertilizer application technology has been promoted for many years. Currently, CO 2 The gas fertilizer production technology mainly comprises high-pressure CO 2 Liquid gas fertilizer, dry ice, solid particle gas fertilizer, ammonium bicarbonate, biogas combustion and the like.
The fuel generates 200-300 ℃ smoke after working in the gas turbine, wherein more than 90% of smoke components are CO 2 Therefore, the gas turbine-based gas distributed energy supply system and the greenhouse CO 2 The gas fertilizer is applied in a coupling way, so that the cascade utilization of energy can be realized, the utilization rate of energy is improved, and the secondary utilization of flue gas can be realized, thereby avoiding CO of farmers 2 The additional purchase of the gas fertilizer also realizes the purpose of carbon emission reduction. The technology has great application value and application market.
Disclosure of Invention
The present invention aims to overcome the above-mentioned drawbacks of the prior art, the device has reliable performance, and is beneficial to realizing energy efficient utilization and flue gas CO 2 Gas used for emission reduction and gas fertilizer application coupling utilization system of greenhouse and operation method thereof.
The invention solves the problems by adopting the following technical scheme: the utility model provides a gas and warmhouse booth gas fertilizer increase coupling utilization system which characterized in that: the system comprises a gas turbine, a heat exchanger, a gas storage tank, a greenhouse, a heat storage water tank, a circulating water pump and a heat user, wherein the gas turbine is communicated with a gas side inlet of the heat exchanger, a gas side outlet of the heat exchanger is communicated with the gas storage tank, the gas storage tank is communicated with the greenhouse, a second valve is arranged between the gas side outlet of the heat exchanger and the gas storage tank, and a third valve is arranged between the gas storage tank and the greenhouse; the water side of the heat exchanger, the heat storage water tank, the heat user and the circulating water pump are sequentially connected to form a closed loop, a valve No. four is arranged between the water side of the heat exchanger and the heat storage water tank, the water side of the heat exchanger is communicated with the heat user, a valve No. five is arranged between the water side of the heat exchanger and the heat user, a valve No. six is arranged between the heat storage water tank and the heat user, the valve No. four, the heat storage water tank and the valve No. six are sequentially connected in series, and then the valve No. five is connected in parallel at two ends of the valve No. five.
The invention also comprises a generator, wherein the gas turbine is connected with the generator and is used for driving the generator to generate electricity.
The air side outlet of the heat exchanger is communicated with the atmosphere, and a valve I is arranged between the air side outlet of the heat exchanger and the atmosphere.
The air storage tank and the greenhouse are internally provided with pressure sensors.
A valve No. seven is further arranged between the heat storage water tank and a heat user, and the valve No. seven is connected with the valve No. six in parallel.
The operation method of the gas and greenhouse gas fertilizer application coupling utilization system is characterized by comprising the following steps of:
the flue gas generated after the natural gas is combusted and subjected to work in the gas turbine firstly enters a gas side inlet of a heat exchanger and exchanges heat with heat network water through the heat exchanger; when the pressure of the gas storage tank is smaller or the gas storage tank is not full of gas, the first valve and the third valve are closed, the second valve is opened, and the heat-exchanged flue gas is discharged from the gas side outlet of the heat exchanger to the gas storage tank for storage; when CO is applied to the greenhouse 2 When the air storage tank is used, the valve II and the valve III are opened, the valve I is closed, and the air storage tank is used for conveying CO to the greenhouse 2 The method comprises the steps of carrying out a first treatment on the surface of the When stopping delivering CO to the greenhouse 2 When the third valve is closed, the gas storage tank stops delivering CO to the greenhouse 2 ；
The heat supply network water after heat exchange stores heat through the heat storage water tank, and heats a heat user; when the external demand heat load is smaller than the design heat load, opening a fourth valve and a fifth valve, closing a sixth valve, wherein one part of heat exchange heat supply network water flows into a heat user for heating, and the other part flows into a heat storage water tank for storage; when the external demand heat load is larger than the design heat load, closing a valve No. four, opening a valve No. five and a valve No. six, and enabling all heat exchange heat supply network water to flow into a heat user for heating, wherein hot water in the heat storage water tank flows into the heat user for heating at the same time; when the external demand heat load is equal to the design heat load, closing the valve IV and the valve VI, opening the valve V, and directly flowing the heat exchange heat supply network water into a heat user for heating;
when domestic hot water is provided for a hot user, a valve No. seven is opened, and hot water in the heat storage water tank flows into the hot user; when the supply of domestic hot water to the hot user is stopped, the valve No. seven is closed, and the hot water in the heat storage water tank stops flowing into the hot user.
When the pressure of the air storage tank is high or the air storage tank is full, the second valve is closed, the first valve is opened, and the flue gas subjected to heat exchange is discharged to the atmosphere.
Compared with the prior art, the invention utilizes the gas turbine to drive the generator to generate electricity, and utilizes the gas storage tank and the accessory pipeline and the valve to realize CO in the flue gas after heat exchange 2 Is used for storing and storing CO in greenhouse 2 The application of the gas fertilizer realizes heat transfer of the flue gas and heat supply network water after combustion by using a heat exchanger, realizes heat supply storage and transportation of a heat user by using a heat storage water tank and an accessory pipeline and a valve thereof, and realizes domestic hot water storage and transportation of the heat user by using the heat storage water tank and the accessory pipeline and the valve thereof. The invention not only realizes the cascade utilization of the energy of the gas distributed system, but also directly utilizes the CO in the flue gas after combustion 2 The system and the method have the advantages of achieving the effect of carbon emission reduction, avoiding extra fund investment, providing a set of heat supply network operation system and method for realizing heat storage and transportation according to the change of heating Ji Re load, greatly improving the utilization efficiency and the operation economy of energy sources, and meeting the requirements of users on electricity, heating, domestic hot water and CO 2 Is not limited to the above-described embodiments.
Drawings
Fig. 1 is a schematic diagram of a front view structure of an embodiment of the present invention.
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 not limited to the following examples. In this embodiment, the different components are connected by pipelines.
Examples
See fig. 1.
The embodiment is a gas and greenhouse gas fertilizer applying coupling utilization system, which comprises a gas turbine 1, a generator 2, a heat exchanger 3, a gas storage tank 4, a greenhouse 5, a heat storage water tank 8, a circulating water pump 6 and a heat user 7.
The gas turbine 1 is connected with the generator 2, and the gas turbine 1 is used for driving the generator 2 to generate electricity. The gas turbine 1 is communicated with a gas side inlet of the heat exchanger 3 through a flue gas pipeline.
The gas side outlet of the heat exchanger 3 forms two branches through pipelines. One branch is as follows: the air side outlet of the heat exchanger 3 is communicated with the air storage tank 4, the air storage tank 4 is communicated with the greenhouse 5, a valve No. two 10 is arranged on a pipeline between the air side outlet of the heat exchanger 3 and the air storage tank 4, and a valve No. three 11 is arranged on a pipeline between the air storage tank 4 and the greenhouse 5. The other branch is as follows: the air side outlet of the heat exchanger 3 is communicated with the atmosphere, and a valve No. 9 is arranged on a pipeline between the air side outlet of the heat exchanger 3 and the atmosphere.
The water side of the heat exchanger 3, the heat storage water tank 8, the heat user 7 and the circulating water pump 6 are sequentially connected to form a closed loop. The pipeline between the water side of the heat exchanger 3 and the heat storage water tank 8 is provided with a valve No. 12, the water side of the heat exchanger 3 is communicated with the heat user 7, the pipeline between the water side of the heat exchanger 3 and the heat user 7 is provided with a valve No. 13, and the pipeline between the heat storage water tank 8 and the heat user 7 is provided with a valve No. 14. The valve No. 12, the heat storage water tank 8 and the valve No. 14 are sequentially connected in series and then connected in parallel at two ends of the valve No. 13.
A valve No. 15 is also arranged on the pipeline between the heat storage water tank 8 and the heat user 7, and the valve No. 15 is connected with the valve No. 14 in parallel. In particular, valve number six 14 serves as a heating valve, heating is performed if hot water in the hot water tank 8 flows to the heat consumer 7 via valve number six 14, valve number seven 15 serves as a water supply valve, and heating is performed if hot water in the hot water tank 8 flows to the heat consumer 7 via valve number 15.
Preferably, pressure sensors are installed in both the air storage tank 4 and the greenhouse 5.
The operation method of the gas and fertilizer applying coupling utilization system for the greenhouse in the embodiment is as follows:
the low-temperature flue gas generated after the natural gas is combusted and does work in the gas turbine 1 firstly enters the gas side inlet of the heat exchanger 3, and exchanges heat with the heat supply network water through the heat exchanger 3.
When the pressure of the air storage tank 4 is high or the air storage tank is full, the valve number two 10 is closed, the valve number one 9 is opened, and the flue gas after heat exchange is discharged to the atmosphere.
When the pressure of the air storage tank 4 is smaller or the air storage tank is not full, the valve 9 and the valve 11 are closed, the valve 10 is opened, and the heat-exchanged flue gas is discharged from the air side outlet of the heat exchanger 3 to the air storage tank 4 for storage.
When it is desired to apply CO to the greenhouse 5 2 When the gas fertilizer is used as the gas fertilizer, the gas storage tank 4, the valve No. 10 and the valve No. 11 are opened, the valve No. 9 is closed, and the gas storage tank 4 conveys CO to the greenhouse 5 2 And (5) gas fertilizer.
When the CO is not required to be conveyed to the greenhouse 5 2 When the valve No. three 11 and the air storage tank 4 are closed, the air storage tank 4 stops delivering CO to the greenhouse 5 2 。
The heat supply network water after heat exchange in the heat exchanger 3 is stored by the heat storage water tank 8, and heats and supplies hot water to the heat user 7.
When the external demand heat load is smaller than the design heat load, the valve No. 12 and the valve No. 13 are opened, the valve No. 14 is closed, one part of heat exchange heat supply network water flows into the heat user 7 for heating, and the other part flows into the heat storage water tank 8 for storage.
When the external demand heat load is greater than the design heat load, the valve No. 12 is closed, the valve No. 13 and the valve No. 14 are opened, the heat exchange heat supply network water completely flows into the heat user 7 for heating, and the hot water in the heat storage water tank 8 simultaneously flows into the heat user 7 for heating.
When the external demand heat load is equal to the design heat load, the valve No. 12 and the valve No. 14 are closed, the valve No. 13 is opened, and the heat exchange heat supply network water directly flows into the heat user 7 for heating.
When domestic hot water is supplied to the heat consumer 7, the valve No. 15 is opened and hot water in the hot water storage tank 8 flows into the heat consumer 7.
When the supply of domestic hot water to the heat consumer 7 is stopped, the valve No. 15 is closed and the hot water in the hot water tank 8 stops flowing into the heat consumer 7.
In the embodiment, the gas turbine 1 is used for driving the generator 2 to generate electricity, and the gas storage tank 4, the first valve 9, the second valve 10 and the third valve 11 are used for realizing CO in the flue gas after heat exchange 2 CO for greenhouse 2 The application of the gas fertilizer, the heat exchange between the flue gas after combustion and the heat supply network water is realized by utilizing the heat exchanger 3, the heat supply storage and the transportation of the heat supply of the heat user are realized by utilizing the heat storage water tank 8, the fourth valve 12, the fifth valve 13 and the sixth valve 14, and the storage and the transportation of the domestic hot water of the heat user are realized by utilizing the heat storage water tank 8 and the seventh valve 15.
In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present invention. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the invention as defined in the accompanying claims.
Claims (4)
1. The utility model provides a gas and warmhouse booth gas fertilizer increase coupling utilization system which characterized in that: the system comprises a gas turbine, a heat exchanger, a gas storage tank, a greenhouse, a heat storage water tank, a circulating water pump and a heat user, wherein the gas turbine is communicated with a gas side inlet of the heat exchanger, a gas side outlet of the heat exchanger is communicated with the atmosphere, and a first valve is arranged on a pipeline between the gas side outlet of the heat exchanger and the atmosphere; the air side outlet of the heat exchanger is communicated with the air storage tank, the air storage tank is communicated with the greenhouse, a second valve is arranged between the air side outlet of the heat exchanger and the air storage tank, and a third valve is arranged between the air storage tank and the greenhouse; the air side outlet of the heat exchanger is communicated with the atmosphere, and a valve I is arranged between the air side outlet of the heat exchanger and the atmosphere; pressure sensors are arranged in the air storage tank and the greenhouse; the water side of the heat exchanger, the heat storage water tank, the heat user and the circulating water pump are sequentially connected to form a closed loop, heat is stored in the heat storage water tank through the heat supply network water after heat exchange in the heat exchanger, and the heat user is heated and supplied with hot water; a fourth valve is arranged between the water side of the heat exchanger and the heat storage water tank, the water side of the heat exchanger is communicated with a heat user, a fifth valve is arranged between the water side of the heat exchanger and the heat user, a sixth valve is arranged between the heat storage water tank and the heat user, the fourth valve, the heat storage water tank and the sixth valve are sequentially connected in series and then are connected at two ends of the fifth valve in parallel, a seventh valve is also arranged between the heat storage water tank and the heat user, and the seventh valve is connected with the sixth valve in parallel; the heat storage tank, the valve I, the valve II and the valve III realize the storage of CO2 in the flue gas after heat exchange and the application of CO2 gas fertilizer to the greenhouse, the heat exchanger realizes the heat transfer, the heat storage water tank, the valve IV, the valve V and the valve V realize the storage and the transportation of heat supply for the hot user, and the heat storage water tank and the valve V realize the storage and the transportation of domestic hot water for the hot user.
2. The gas and greenhouse gas fertilizer application coupling utilization system according to claim 1, wherein: the gas turbine is connected with the generator and is used for driving the generator to generate electricity.
3. A method for operating a gas and greenhouse gas fertilizer application coupling utilization system according to any one of claims 1-2, which is characterized in that:
the flue gas generated after the natural gas is combusted and subjected to work in the gas turbine firstly enters a gas side inlet of a heat exchanger and exchanges heat with heat network water through the heat exchanger; when the gas storage tank is not full of gas, the first valve and the third valve are closed, the second valve is opened, and the heat-exchanged flue gas is discharged from the gas side outlet of the heat exchanger to the gas storage tank for storage; when CO2 is applied to the greenhouse, the second valve and the third valve are opened, the first valve is closed, and the gas storage tank conveys CO2 to the greenhouse; when the CO2 is stopped to be conveyed to the greenhouse, the valve III is closed, and the gas storage tank stops conveying the CO2 to the greenhouse;
the heat supply network water after heat exchange stores heat through the heat storage water tank, and heats a heat user; when the external demand heat load is smaller than the design heat load, opening a fourth valve and a fifth valve, closing a sixth valve, wherein one part of heat exchange heat supply network water flows into a heat user for heating, and the other part flows into a heat storage water tank for storage; when the external demand heat load is larger than the design heat load, closing a valve No. four, opening a valve No. five and a valve No. six, and enabling all heat exchange heat supply network water to flow into a heat user for heating, wherein hot water in the heat storage water tank flows into the heat user for heating at the same time; when the external demand heat load is equal to the design heat load, closing the valve IV and the valve VI, opening the valve V, and directly flowing the heat exchange heat supply network water into a heat user for heating;
when domestic hot water is provided for a hot user, a valve No. seven is opened, and hot water in the heat storage water tank flows into the hot user; when the supply of domestic hot water to the hot user is stopped, the valve No. seven is closed, and the hot water in the heat storage water tank stops flowing into the hot user.
4. The method for operating the gas and greenhouse gas fertilizer application coupling utilization system according to claim 3, which is characterized in that: when the air storage tank is full of air, the valve II is closed, the valve I is opened, and the flue gas after heat exchange is discharged to the atmosphere.
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| CN108781920A (en) * | 2018-06-20 | 2018-11-13 | 安徽云维信息科技有限公司 | A kind of agricultural planting gas content intelligent regulating device |
| CN110701826A (en) * | 2019-11-05 | 2020-01-17 | 中国华电科工集团有限公司 | Hundred kW-MW-level SOFC (solid oxide fuel cell) cooling and heating system and operation method thereof |
| CN111011057A (en) * | 2019-12-27 | 2020-04-17 | 西安交通大学 | Greenhouse efficiency enhancement system and method integrating biogas purification application |
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| CN105952535A (en) * | 2016-05-20 | 2016-09-21 | 南京优曼新能源有限公司 | Continuous compound energy supply system |
| CN206071725U (en) * | 2016-05-20 | 2017-04-05 | 南京优曼新能源有限公司 | A kind of agricultural greenhouse seriality compound energy feeding mechanism |
| CN206136740U (en) * | 2016-09-12 | 2017-05-03 | 昆明理工大学 | Novel supply of greenhouse carbon dioxide device |
| CN107027554A (en) * | 2017-05-31 | 2017-08-11 | 南京电力设备质量性能检验中心 | A kind of thermal power plant's energy and carbon dioxide Application way and system based on plant factor |
| CN207455694U (en) * | 2017-09-18 | 2018-06-05 | 华电电力科学研究院 | Combustion gas, which increases to couple with greenhouse gas fertilizer, utilizes system |
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