CN219063790U - Comprehensive utilization system for multiple energy sources in greenhouse - Google Patents
Comprehensive utilization system for multiple energy sources in greenhouse Download PDFInfo
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- CN219063790U CN219063790U CN202220213426.5U CN202220213426U CN219063790U CN 219063790 U CN219063790 U CN 219063790U CN 202220213426 U CN202220213426 U CN 202220213426U CN 219063790 U CN219063790 U CN 219063790U
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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
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Abstract
The utility model discloses a comprehensive utilization system of multiple energy sources in a greenhouse, which comprises a heat collection module, a heat storage water tank and geothermal pipes, wherein the heat storage water tank is internally provided with a water pump, a water outlet of the water pump is connected with a first water pipe, and a second water pipe is arranged on the heat storage water tank; the heat collecting module comprises a first water inlet and a first water outlet; the first water pipe is connected with the first water inlet, and the first water outlet is connected with the heat storage water tank through the second water pipe; the first water pipe is provided with a first valve, and the second water pipe is provided with a second valve; the water inlet of the geothermal pipe is connected with the heat storage water tank through a third water pipe, a third valve is arranged on the third water pipe, the water outlet of the geothermal pipe is connected with the heat storage water tank through a fourth water pipe, and a fourth valve is arranged on the fourth water pipe; also comprises a brewing pool. Compared with the prior art, the solar greenhouse has the advantages that solar energy, air waste heat and biomass energy in the greenhouse are fully utilized, the heat utilization rate is improved, the input of electric energy is saved, and the greenhouse is suitable for various greenhouses.
Description
Technical Field
The utility model belongs to the technical field of agricultural engineering, and relates to a greenhouse solar energy utilization technology and a biomass energy fermentation technology, wherein heat accumulation quantity acts on crop root systems. In particular to a comprehensive utilization system of multiple energy sources in a greenhouse.
Background
As solar energy utilization technologies continue to mature, the utilization of solar energy in greenhouses has also begun to develop generally, including directly absorbing solar energy or receiving excess solar energy in the air. However, a single solar energy utilization system has a case of low solar energy utilization efficiency, and it is difficult to collect enough heat under cloudy, low solar radiation such as rain and snow, and worse weather conditions.
The agricultural waste can be effectively utilized by aerobic fermentation, and the agricultural waste is degraded by virtue of aerobic microorganisms to release heat, so that the organic fertilizer is produced, and the method has certain economic benefit. And a large amount of heat is generated in the process of degrading organic matters by microorganisms, and the temperature can reach 55-65 ℃ generally in a high-temperature period. Most of the high heat is dissipated and not effectively utilized. If the solar greenhouse heating system is used as a standby heat source to be added into the heat release system, heat of the solar greenhouse heating system is collected and stored when illumination is insufficient, and the solar greenhouse heating system is used for heating the root systems of crops at night, so that the investment of electric heating at night of the greenhouse can be reduced while the root systems at night can be improved. However, single biomass fermentation has limitations and timeliness, generally, the temperature can be maintained for about 60 days at more than 40 ℃, and the heat loss of the fermentation tank can be reduced by the water heated by solar energy and air waste heat flowing through the fermentation tank, so that the fermentation heat environment is prevented from being excessively damaged, and the fermentation process is prevented from being influenced.
Based on the defects, solar energy, air waste heat and biomass heat energy are combined, so that the problem that the heating effect of the solar energy and the air waste heat is not strong and the heat is insufficient under the condition of weak illumination intensity is solved, and the problems that biomass fermentation cannot continuously provide heat for a long time and the activity of thermophilic bacteria is influenced due to too low water temperature are also considered.
Disclosure of Invention
The problems that the heating effect of solar energy and air waste heat is not strong and the heat is insufficient under the condition of weak illumination intensity in the prior art are solved, and the problems that biomass fermentation cannot continuously provide heat for a long time and the activity of thermophilic bacteria is influenced due to too low water temperature are also considered. The utility model provides a comprehensive multi-energy utilization system in a greenhouse, which uses biomass energy as a standby heat source when solar radiation is insufficient, solves the problem of waste utilization in the greenhouse, and reduces the consumption of electric energy heating at night.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme.
The comprehensive utilization system of the multi-energy sources in the greenhouse is characterized by comprising a heat collection module, a geothermal pipe and a heat storage water tank; a water pump is arranged in the heat storage water tank, a water outlet of the water pump is connected with a first water pipe, and a second water pipe is arranged on the heat storage water tank; the heat collecting module comprises a first water inlet and a first water outlet; the first water pipe is connected with the first water inlet, and the first water outlet is connected with the heat storage water tank through a second water pipe; the first water pipe is provided with a first valve, and the second water pipe is provided with a second valve;
the water inlet of the geothermal pipe is connected with the heat storage water tank through a third water pipe, a third valve is arranged on the third water pipe, the water outlet of the geothermal pipe is connected with the heat storage water tank through a fourth water pipe, and a fourth valve is arranged on the fourth water pipe.
Further, the device also comprises a brewing pool assembly, wherein the brewing pool assembly comprises a second water inlet and a second water outlet; the second water inlet is connected with the second water pipe through a fifth water pipe, a fifth valve is arranged on the fifth water pipe, the second water outlet is connected with the heat storage water tank through a sixth water pipe, and a sixth valve is arranged on the sixth water pipe.
Further, the device also comprises a seventh water pipe, and a seventh valve is arranged on the seventh water pipe; one end of the seventh water pipe is connected with the first water pipe in front of the first valve, and the other end of the seventh water pipe is connected with the fifth water pipe behind the fifth valve.
Further, the brewing pond assembly comprises a pond body, a suspended ventilation plate is arranged in the pond body, fermentation materials are loaded on the ventilation plate, a perforated air pipe is arranged below the ventilation plate, a brewing pond water pipe is distributed on the inner wall of the pond body, a water inlet of the brewing pond water pipe is connected with a second water inlet, and a water outlet of the brewing pond water pipe is connected with a second water outlet.
Further, the heat collecting module comprises a plurality of heat collecting plates and a harmonica-shaped pipe radiator, the harmonica-shaped pipe radiator is hung in a greenhouse, the heat collecting plates are connected in parallel to the south side of the greenhouse, water inlets of the heat collecting plates and water inlets of the harmonica-shaped pipe radiator are connected with a first water pipe, and water outlets of the heat collecting plates and water outlets of the harmonica-shaped pipe radiator are connected with a second water pipe.
Further, an insulation layer is arranged outside the heat storage water tank, and the insulation layer is made of insulation cotton.
Further, black paint is smeared on the outer surfaces of the heat collecting plates, a plurality of pore canals are arranged in the heat collecting plates in parallel, the first water inlet is arranged at the lower part, and the first water outlet is arranged at the upper part.
Further, the first water pipe, the second water pipe, the third water pipe, the fourth water pipe, the fifth water pipe, the sixth water pipe and the seventh water pipe are all PVR pipes.
Further, the system comprises a first heat collection loop, a second heat collection loop and a third heat collection loop;
in daytime in sunny days, the first valve and the second valve are opened, the third valve, the fourth valve, the fifth valve, the sixth valve and the seventh valve are closed, and water in the heat storage water tank enters the heat collection module from the first water pipe through the water pump and then returns to the heat storage water tank from the second water pipe through the heat collection module to form a first heat collection loop;
in the daytime when solar radiation such as cloudiness, fog and haze is weak, a seventh valve and a sixth valve are opened, a first valve, a second valve, a third valve, a fourth valve and a fifth valve are closed, water in the heat storage water tank enters the seventh water pipe from the joint of the first water pipe and the seventh water pipe through a water pump so as to enter the water inlet of the brewing heat tank assembly, and then returns to the heat storage water tank from the water outlet of the brewing heat tank assembly to form a second heat collection loop;
in the daytime of cold weather such as winter rain and snow, the second valve, the third valve, the fourth valve and the seventh valve are closed, the first valve, the fifth valve and the sixth valve are opened, and the water in the heat storage water tank enters the heat collection module from the water inlet of the heat collection module through the first water pipe by the water pump, enters the second water pipe from the water outlet of the heat collection module, enters the water inlet of the brewing pool assembly through the junction of the second water pipe and the fifth water pipe, and returns to the heat storage water tank from the water outlet through the sixth water pipe to form a third heat collection loop.
Further, the device also comprises a heat release loop;
at night, the third valve and the fourth valve are opened, the first valve, the second valve, the fifth valve, the sixth valve and the seventh valve are closed, and water in the heat storage water tank enters the water inlet of the geothermal pipe through the third water pipe, then enters the fourth water pipe from the water outlet of the geothermal pipe, and returns to the heat storage water tank to form a heat release loop.
Compared with the prior art, the utility model has the beneficial effects that:
the solar energy utilization efficiency is improved, the problem of insufficient solar radiation under weather conditions such as rain, snow and fog is prevented, the biomass energy fermentation pile body is used as a standby heat source, the problem of straw resource utilization in a greenhouse is solved, and the consumption of night electric energy heating is reduced. The energy-saving and environment-friendly combined utilization of multiple energy sources is realized.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a greenhouse;
fig. 2 is a schematic structural diagram of a multi-energy comprehensive utilization system in a greenhouse.
In the above figures:
1-a geothermal pipe; 2-a heat storage water tank; 3-a water pump; 4-a first water pipe; 5-a second water pipe; 6-a first valve; 7-a second valve; 8-a third water pipe; 9-a third valve; 10-a fourth water pipe; 11-fourth valve; 12-brewing a hot cell assembly; 13-a fifth water pipe; 14-a fifth valve; 15-a sixth water pipe; 16-sixth valve; 17-seventh water pipe; 18-seventh valve; 19-a heat collecting plate; 20-mouth organ pipe radiator;
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings.
In the following description, specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than those herein described, and those skilled in the art may readily devise numerous other arrangements that do not depart from the spirit of the utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.
Referring to fig. 2, the comprehensive utilization system of multiple energy sources in a greenhouse comprises a heat collection module, a geothermal pipe 1 and a heat storage water tank 2; a water pump 3 is arranged in the heat storage water tank 2, a water outlet of the water pump 3 is connected with a first water pipe 4, and a second water pipe 5 is arranged on the heat storage water tank 2; the heat collecting module comprises a first water inlet and a first water outlet; the first water pipe 4 is connected with the first water inlet, and the first water outlet is connected with the heat storage water tank 2 through a second water pipe 5; a first valve 6 is arranged on the first water pipe 4, and a second valve 7 is arranged on the second water pipe 5;
the water inlet of the geothermal pipe 1 is connected with the heat storage water tank 2 through a third water pipe 8, a third valve 9 is arranged on the third water pipe 8, the water outlet of the geothermal pipe is connected with the heat storage water tank 2 through a fourth water pipe 10, and a fourth valve 11 is arranged on the fourth water pipe 10. The geothermal pipe is positioned below the matrix bag and is shallow buried in the soil layer to heat the root system.
Further, the device also comprises a brewing tank assembly 12, wherein the brewing tank assembly comprises a second water inlet and a second water outlet; the second water inlet is connected with the second water pipe 5 through a fifth water pipe 13 and then is connected with the second valve 7, a fifth valve 14 is arranged on the fifth water pipe 13, the second water outlet is connected with the heat storage water tank 2 through a sixth water pipe 15, and a sixth valve 16 is arranged on the sixth water pipe 15. The brewing heat pool component is a standby heat source in the greenhouse, and heat generated by degrading organic matters by microorganisms is circularly taken away by water in the daytime and stored in the heat storage water tank.
Further, the device also comprises a seventh water pipe 17, and a seventh valve 18 is arranged on the seventh water pipe 17; one end of the seventh water pipe 17 is connected with the first water pipe 4 before the first valve 6, and the other end of the seventh water pipe 17 is connected with the fifth water pipe 13 after the fifth valve 14.
Further, the brewing pool assembly 3 comprises a pool body, a suspended ventilation plate is arranged in the pool body, fermentation materials are loaded on the ventilation plate, a perforated air pipe is arranged below the ventilation plate, a brewing pool water pipe is distributed on the inner wall of the pool body, a water inlet of the brewing pool water pipe is connected with a second water inlet, and a water outlet of the brewing pool water pipe is connected with a second water outlet. The water after temperature rising flows into the heat storage water tank through the second water outlet for storage.
Further, the heat collecting module comprises a plurality of heat collecting plates 19 and a harmonica-shaped pipe radiator 20, the harmonica-shaped pipe radiator 20 is suspended in a greenhouse, the heat collecting plates 19 are connected in parallel on the south side of the greenhouse, water inlets of the heat collecting plates 19 and water inlets of the harmonica-shaped pipe radiator 20 are connected with the first water pipe 4, and water outlets of the heat collecting plates 19 and water outlets of the harmonica-shaped pipe radiator 20 are connected with the second water pipe 5. The heat collecting plate is used for collecting, conveying and storing solar energy; the harmonica pipe radiator absorbs surplus heat in air in an air heat exchange mode.
Further, an insulation layer is arranged outside the heat storage water tank 2, and the insulation layer is made of insulation cotton.
Further, the outer surfaces of the heat collecting plates 19 are coated with black paint, a plurality of pore canals are arranged in the heat collecting plates in parallel, the first water inlet is arranged at the lower part, and the first water outlet is arranged at the upper part. The black coating on the outer surface of the heat collecting plate has better heat absorption performance on solar energy.
Further, the first water pipe 4, the second water pipe 5, the third water pipe 8, the fourth water pipe 10, the fifth water pipe 13, the sixth water pipe 15 and the seventh water pipe 17 are PVR pipes.
Further, the system comprises a first heat collection loop, a second heat collection loop and a third heat collection loop;
in daytime in sunny days, the first valve 6 and the second valve 7 are opened, the third valve 9, the fourth valve 11, the fifth valve 14, the sixth valve 16 and the seventh valve 18 are closed, and water in the heat storage water tank 2 enters the heat collection module from the first water pipe 4 through the water pump 3 and then returns to the heat storage water tank 2 from the second water pipe 5 through the heat collection module to form a first heat collection loop;
in the daytime when solar radiation such as cloudiness, fog, haze and the like is weak, a seventh valve 18 and a sixth valve 16 are opened, a first valve 6, a second valve 7, a third valve 9, a fourth valve 11 and a fifth valve 14 are closed, water in the heat storage water tank 2 enters the seventh water pipe 17 from the joint of the first water pipe 4 and the seventh water pipe 17 through the water pump 3 so as to enter the water inlet of the brewing pool assembly 12, and then returns to the heat storage water tank 2 from the water outlet of the brewing pool assembly 12 to form a second heat collection loop;
in the daytime of cold weather such as rainy and snowy days, the second valve 7, the third valve 9, the fourth valve 11 and the seventh valve 18 are closed, the first valve 6, the fifth valve 14 and the sixth valve 16 are opened, water in the heat storage water tank 2 enters the heat collection module from the water inlet of the heat collection module through the first water pipe 4 by the water pump 3, enters the second water pipe 5 from the water outlet of the heat collection module, enters the water inlet of the brewing pool assembly 12 through the junction of the second water pipe 5 and the fifth water pipe 13, and returns to the heat storage water tank 2 from the water outlet through the sixth water pipe 15 to form a third heat collection loop.
Further, the device also comprises a heat release loop;
at night, the third valve 9 and the fourth valve 11 are opened, the first valve 6, the second valve 7, the fifth valve 14, the sixth valve 16 and the seventh valve 18 are closed, and the water in the heat storage water tank 2 enters the water inlet of the geothermal pipe 1 through the third water pipe 8, then enters the fourth water pipe 10 from the water outlet of the geothermal pipe 1, and returns to the heat storage water tank 2 to form a heat release loop.
The application steps of the multi-energy comprehensive utilization system in the greenhouse are as follows:
referring to FIG. 1, a greenhouse, north-south-seated, with east-west elongation, fermentation vat assemblies located in the greenhouse near the south end, 7 meters long (north-south), 2 meters wide (east-west), 2 meters deep, wherein the subsurface is 1.2 meters deep, 0.8 meters above ground, built with 240mm bricks, and cement plastered; the heat collecting plate is arranged near the south end of the fermenting tank component, and 10 plates are arranged in total; the heat storage water tank is arranged at the left side of the fermentation tank assembly; the harmonica tube radiator is 600mm long, 700mm wide and 50mm high and is hung on a beam below the heat preservation quilt. Passages can be formed among the heat collecting module, the fermentation tank assembly, the heat storage water tank and the geothermal pipe, and different closed water loops are formed by controlling the passages through valves.
In the daytime of sunny days, when the air temperature is higher than 25 ℃ and the temperature difference between the air temperature and the water temperature is higher than 5 ℃, opening the first valve and the second valve, closing the third valve, the fourth valve, the fifth valve, the sixth valve and the seventh valve, starting the heat collecting module to collect solar energy and air waste heat, and storing the heat in the water tank; when the air temperature is lower than 25 ℃ and the temperature difference between the air temperature and the water temperature is lower than 5 ℃, the water circulation of the heat collecting module is closed;
in the daytime on overcast days, the solar irradiance is less than 200W/m 2 When the fermentation tank is in use, the seventh valve and the sixth valve are opened, the first valve, the second valve, the third valve, the fourth valve and the fifth valve are closed, the water circulation in the fermentation tank is started, and the temperature generated by fermentation in the fermentation tank is stored in the water tank;
in the daytime of rainy and snowy days, the solar irradiance is 200-300W/m 2 When the fermentation tank is in use, the second valve, the third valve, the fourth valve and the seventh valve are closed, the first valve, the second valve, the fifth valve and the sixth valve are opened, the heat collecting module and the fermentation tank are connected in series, and water flow passes through the heat collecting module first and thenDirectly flows into a water pipe in the fermentation tank and finally reaches the water tank.
And (3) at 19:00-8:00 a day at night, when the soil temperature of the depth of 10cm-15cm underground is lower than 12 ℃ and the difference value between the temperature of the water tank and the soil temperature is greater than 3 ℃, opening the third valve and the fourth valve, closing the first valve, the second valve, the fifth valve, the sixth valve and the seventh valve, starting heat release circulation, and heating the root system by hot water in the water tank flowing to a ground heating pipe.
While the utility model has been described in detail in this specification with reference to the general description and the specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the scope of the utility model as claimed.
Claims (10)
1. The comprehensive utilization system of the multi-energy sources in the greenhouse is characterized by comprising a heat collection module, a geothermal pipe (1) and a heat storage water tank (2); a water pump (3) is arranged in the heat storage water tank (2), a water outlet of the water pump (3) is connected with a first water pipe (4), and a second water pipe (5) is arranged on the heat storage water tank (2); the heat collecting module comprises a first water inlet and a first water outlet; the first water pipe (4) is connected with the first water inlet, and the first water outlet is connected with the heat storage water tank (2) through a second water pipe (5); a first valve (6) is arranged on the first water pipe (4), and a second valve (7) is arranged on the second water pipe (5);
the water inlet of the geothermal pipe is connected with the heat storage water tank (2) through a third water pipe (8), a third valve (9) is arranged on the third water pipe (8), the water outlet of the geothermal pipe (1) is connected with the heat storage water tank (2) through a fourth water pipe (10), and a fourth valve (11) is arranged on the fourth water pipe (10).
2. The multi-energy comprehensive utilization system in a greenhouse according to claim 1, further comprising a brewing tank assembly (12), wherein the brewing tank assembly (12) comprises a second water inlet and a second water outlet; the second water inlet is connected with the second water pipe (5) through a fifth water pipe (13) and then is connected with a second valve (7), a fifth valve (14) is arranged on the fifth water pipe (13), the second water outlet is connected with the heat storage water tank (2) through a sixth water pipe (15), and a sixth valve (16) is arranged on the sixth water pipe (15).
3. The comprehensive utilization system of multiple energy sources in a greenhouse according to claim 1, further comprising a seventh water pipe (17), wherein a seventh valve (18) is arranged on the seventh water pipe (17); one end of the seventh water pipe (17) is connected with the first water pipe (4) before the first valve (6), and the other end of the seventh water pipe (17) is connected with the fifth water pipe (13) after the fifth valve (14).
4. The comprehensive utilization system of multiple energy sources in a greenhouse according to claim 2, wherein the brewing pool assembly (12) comprises a pool body, a suspended ventilation plate is arranged in the pool body, fermentation materials are loaded on the ventilation plate, a perforated air pipe is arranged below the ventilation plate, a brewing pool water pipe is distributed on the inner wall of the pool body, a water inlet of the brewing pool water pipe is connected with a second water inlet, and a water outlet of the brewing pool water pipe is connected with a second water outlet.
5. The comprehensive utilization system of multiple energy sources in a greenhouse according to claim 1, wherein the heat collecting module comprises a plurality of heat collecting plates (19) and a harmonica-shaped pipe radiator (20), the harmonica-shaped pipe radiator (20) is suspended in the greenhouse, the plurality of heat collecting plates (19) are connected in parallel on the south side of the greenhouse, water inlets of the plurality of heat collecting plates (19) and water inlets of the harmonica-shaped pipe radiator (20) are connected with the first water pipe (4), and water outlets of the plurality of heat collecting plates (19) and water outlets of the harmonica-shaped pipe radiator are connected with the second water pipe (5).
6. The comprehensive utilization system of multiple energy sources in a greenhouse according to claim 1, wherein a heat preservation layer is arranged outside the heat storage water tank (2), and the heat preservation layer is heat preservation cotton.
7. The comprehensive utilization system of multiple energy sources in a greenhouse according to claim 5, wherein the outer surfaces of the heat collecting plates (19) are coated with black paint, a plurality of pore canals are arranged in the heat collecting plates (19) in parallel, the first water inlet is arranged at the lower part, and the first water outlet is arranged at the upper part.
8. The comprehensive utilization system of multiple energy sources in a greenhouse according to claim 1, wherein the first water pipe (4), the second water pipe (5), the third water pipe (8), the fourth water pipe (10), the fifth water pipe (13), the sixth water pipe (15) and the seventh water pipe (17) are unified PVR pipes.
9. The multi-energy comprehensive utilization system in a greenhouse according to claim 2, wherein the system comprises a first heat collection circuit, a second heat collection circuit and a third heat collection circuit;
in sunny days, the first valve (6) and the second valve (7) are opened, the third valve (9), the fourth valve (11), the fifth valve (14), the sixth valve (16) and the seventh valve (18) are closed, and water in the heat storage water tank (2) enters the heat collection module from the first water pipe (4) through the water pump (3) and then returns to the heat storage water tank (2) from the second water pipe (5) through the heat collection module to form a first heat collection loop;
in the daytime when solar radiation such as cloudiness, fog and haze is weak, a seventh valve (18) and a sixth valve (16) are opened, the first valve (6), the second valve (7), the third valve (9), the fourth valve (11) and the fifth valve (14) are closed, water in the heat storage water tank (2) enters the seventh water pipe (17) from the joint of the first water pipe (4) and the seventh water pipe (17) through the water pump (3), so that the water enters the water inlet of the brewing pool assembly (12), and then returns to the heat storage water tank (2) from the water outlet of the brewing pool assembly (12) to form a second heat collection loop;
in the daytime of cold weather such as winter rain and snow, the second valve (7), the third valve (9), the fourth valve (11) and the seventh valve (18) are closed, the first valve (6), the fifth valve (14) and the sixth valve (16) are opened, water in the heat storage water tank (2) enters the heat collection module from the water inlet of the heat collection module through the first water pipe (4) through the water pump (3), then enters the second water pipe (5) from the water outlet of the heat collection module, and then enters the water inlet of the brewing heat tank assembly (12) through the junction of the second water pipe (5) and the fifth water pipe (13), and then returns to the heat storage water tank (2) from the water outlet through the sixth water pipe (15) to form a third heat collection loop.
10. The integrated multi-energy utilization system in a greenhouse of claim 1, further comprising a heat release loop;
at night, the third valve (9) and the fourth valve (11) are opened, the first valve (6), the second valve (7), the fifth valve (14), the sixth valve (16) and the seventh valve (18) are closed, and water in the heat storage water tank (2) enters the water inlet of the geothermal pipe (1) through the third water pipe (8), enters the fourth water pipe (10) from the water outlet of the geothermal pipe (1) and returns to the heat storage water tank (2) to form a heat release loop.
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| CN202220213426.5U CN219063790U (en) | 2022-01-26 | 2022-01-26 | Comprehensive utilization system for multiple energy sources in greenhouse |
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| CN202220213426.5U CN219063790U (en) | 2022-01-26 | 2022-01-26 | Comprehensive utilization system for multiple energy sources in greenhouse |
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