CN213427338U - Greenhouse heating system - Google Patents
Greenhouse heating system Download PDFInfo
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- CN213427338U CN213427338U CN202021038019.2U CN202021038019U CN213427338U CN 213427338 U CN213427338 U CN 213427338U CN 202021038019 U CN202021038019 U CN 202021038019U CN 213427338 U CN213427338 U CN 213427338U
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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
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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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
- Y02P60/14—Measures for saving energy, e.g. in green houses
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Abstract
The utility model discloses a novel warmhouse booth heating system includes fan-coil unit, a water pump, heat storage water tank, electric three-way valve, the heat pump, first water supply pipe, the second water supply pipe, return water pipe, and water supply pipe, fan-coil unit's return water end and return water piping connection, return water pipe, heat storage water tank, the water pump is the cascade connection in proper order, the water pump passes through electric three-way valve and second water supply pipe, the heat pump is connected, a heat pump, first water supply pipe, water supply pipe is the cascade connection in proper order, the second water supply pipe is connected with water supply pipe, water supply pipe is connected with fan-coil unit's the end of intaking. Novel warmhouse booth heating system can avoid warmhouse booth in the sky high temperature, the temperature is low excessively night.
Description
Technical Field
The utility model relates to a heating equipment technical field, concretely relates to warmhouse booth heating system.
Background
The greenhouse needs to consume a large amount of energy for winter production. In China, heating is not needed for greenhouse production in tropical areas in winter, most areas are cold in winter, and heating equipment is required for greenhouse production to ensure normal growth and development of planted crops. The greenhouse needs to consume a large amount of energy for heating in winter, at present, in a large greenhouse constructed in China, the heating energy consumption cost in winter accounts for 30% -40% of the total cost in the area with the north latitude of about 35 degrees, 40% -50% in the area with the north latitude of about 40 degrees and 60% -70% in the area with the north latitude of 43 degrees or above, which is also a key problem of increasing the planting cost. In order to reduce the operation cost of the greenhouse and improve the production benefit of products, high attention must be paid to the design of a heating system in the greenhouse planning design. Under the normal condition of illumination of the greenhouse in winter, the temperature in the greenhouse can reach 26 ℃ in the daytime, if forced ventilation is not carried out, the temperature can be higher, and at the moment, the temperature in the greenhouse is in an overhigh state, so that the growth of crops is not facilitated; and at night, under the condition of covering the heat-preservation cotton felt, if no heating equipment is provided, the temperature is generally reduced to 5 ℃ or even lower. Therefore, a new heating system for a greenhouse is urgently needed, so that the temperature of the greenhouse is at a temperature suitable for crop growth both in the daytime and at night in winter.
For example, the utility model with chinese patent application No. 201821100909.4 provides a greenhouse system that adopts ground source heat pump set to heat, include: the greenhouse is used for preserving the heat of the air in the greenhouse; the buried pipe is arranged in the soil below the greenhouse, and the water in the buried pipe exchanges heat with the soil below the greenhouse through the buried pipe; the ground source heat pump unit is connected with two ends of the buried pipe through a buried pipe side water supply pipe and a buried pipe side water return pipe; and the fan-coil unit is arranged in the greenhouse and forms a water circulation closed loop with the main machine side water supply pipe, the main machine side water return pipe and the ground source heat pump unit, and the water circulation closed loop is used for continuously circulating air of the greenhouse and carrying out heat exchange with water in the fan-coil unit.
The problems in the prior art are that the problems of overhigh temperature in the greenhouse in the daytime and overlow temperature at night cannot be solved.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to provide a greenhouse heating system that the temperature was too high, the temperature was crossed low night in the day in can solving greenhouse.
Warmhouse booth heating system includes: fan-coil unit, water pump, heat storage water tank, electric three-way valve, heat pump, first water supply pipe, second water supply pipe, wet return and water supply pipe, fan-coil unit's return water end with wet return connects wet return, heat storage water tank, water pump series connection in proper order, the water pump passes through electric three-way valve with second water supply pipe, heat pump connection, heat pump, first water supply pipe, water supply pipe series connection in proper order, the second water supply pipe with water supply pipe connects, water supply pipe with fan-coil unit's the end of intaking is connected.
Further, the fan-coil unit is arranged in the greenhouse and 2 meters above the ground.
Furthermore, the fan-coil units are provided with a plurality of water return ends, the water return ends of the fan-coil units are connected with the water return pipeline, and the water inlet ends of the fan-coil units are connected with the water supply pipeline.
Further, the heat storage water tank is installed on the ground or installed underground.
Furthermore, the greenhouse heating system also comprises a heating device consuming electric energy, and the heating device can directly act on the heat storage water tank and also act on a pipeline of the heat storage water tank flowing to the fan coil unit.
Warmhouse booth heating system's beneficial effect as follows:
1, by adopting the greenhouse heating system, the water return end of the fan coil unit is connected with the water return pipeline, the heat storage water tank and the water pump are sequentially connected in series, the water pump is connected with the second water supply pipeline and the heat pump through the electric three-way valve, the heat pump, the first water supply pipeline and the water supply pipeline are sequentially connected in series, the second water supply pipeline is connected with the water supply pipeline, the water supply pipeline is connected with the water inlet end of the fan coil unit, the water pump and the fan coil unit are started in the daytime, the electric three-way valve is adjusted to be communicated with the second water supply pipeline, and excessive heat energy in the daytime is stored in the heat storage water tank by the fan coil unit, so that the novel greenhouse; starting water pump, fan-coil unit and heat pump night, transferring the electronic tee bend valve to the intercommunication heat pump, hot water in the heat storage water tank heaies up once more through the heat pump to reach fan-coil unit, it is right novel warmhouse booth heating system heats, thereby avoids novel warmhouse booth heating system temperature at night is low excessively.
2, warmhouse booth heating system structure sets up rationally, can replace other energy such as electric power, water conservancy, wind-force in the in-service use, the green solar energy of the wide utilization nature, the big-arch shelter heating system is easy and simple to handle, is suitable for the extensive popularization and application in the area of conditional use natural energy.
Drawings
Fig. 1 is a schematic structural diagram of a greenhouse heating system of the present invention;
shown in the figure: 1-fan coil units; 2-a water pump; 3-heat storage water tank; 4-an electric three-way valve; 5-a heat pump; 6-a first water supply pipeline; 7-a second water supply pipeline; 8-a water return pipeline; 9-water supply pipeline.
In the figure: the arrows indicate the direction of water flow.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are illustrative and are not restrictive.
As shown in fig. 1, the greenhouse heating system includes: fan-coil unit 1, water pump 2, heat storage water tank 3, electric three-way valve 4, heat pump 5, first water supply pipe 6, second water supply pipe 7, wet return 8 and water supply pipe 9, wherein, fan-coil unit 1's return water end is connected with wet return 8, heat storage water tank 3, water pump 2 is series connection in proper order, water pump 2 passes through electric three-way valve 4 respectively with second water supply pipe 7, heat pump 5 is connected, heat pump 5, first water supply pipe 6, water supply pipe 9 is series connection in proper order, second water supply pipe 7 is connected with water supply pipe 9, water supply pipe 9 is connected with fan-coil unit 1's the end of intaking.
Further, fan-coil unit 1 sets up 2 meters above ground in keeping apart from the warmhouse booth.
Furthermore, fan-coil unit 1 sets up a plurality ofly, and return water pipe 8 is connected to the return water end of a plurality of fan-coil unit 1, and water supply pipe 9 is connected to the end of intaking of a plurality of fan-coil unit 1.
Further, the hot water storage tank 3 is installed on the ground or under the ground.
Furthermore, the greenhouse heating system further comprises a heating device (not shown) consuming electric energy, the heating device can be an electric boiler, a pipeline electric heater and the like, the heating device can directly act on the heat storage water tank 3 and can also act on a pipeline of the heat storage water tank 3 flowing to the fan coil unit 1, and when illumination is insufficient, the heating device can be opened, so that water in the pipeline of the heat storage water tank 3 flowing to the fan coil unit 1 is heated, and the heat release circulation process is ensured to be normally carried out.
Novel warmhouse booth heating system's operating condition as follows:
the heat storage cycle working condition is as follows: daytime illumination is normal, when the temperature rises to 23 ℃ in the warmhouse booth, start water pump 2 and fan-coil unit 1, transfer electric three-way valve 4 to intercommunication second water supply pipe 7, indoor fan-coil unit 1 of warmhouse booth absorbs heat energy under the illumination, the water of 1 return water end of fan-coil unit gets into heat storage water tank 3 through return water pipe 8, after that in proper order through water pump 2, electric three-way valve 4, second water supply pipe 7, the end of intaking that fan-coil unit 1 was got back to water supply pipe 9, form daytime heat-retaining circulation system, store unnecessary heat energy in heat storage water tank 3 daytime, temperature can not be too high in making the warmhouse booth, when 7 afternoon, when the temperature was less than 23 ℃ in the warmhouse booth heating system, stop heat-retaining circulation operating mode.
And (3) heat release cycle working condition: at night when the temperature in the greenhouse heating system is as low as 13 ℃, starting the water pump 2, the fan coil unit 1 and the heat pump 5, adjusting the electric three-way valve 4 to the communicated heat pump 5, enabling hot water in the heat storage water tank 3 to sequentially enter the heat pump 5 through the water pump 2 and the electric three-way valve 4, enabling the hot water to be heated up again after passing through the heat pump 5, then enabling the hot water to enter the fan coil unit 1 through the first water supply pipeline 6 and the water supply pipeline 9, heating the greenhouse, keeping the temperature not lower than 13 ℃, and forming a night heat release circulation system. The exothermic cycle was stopped at about 8:00 minutes in the morning.
The present invention is not limited to the above embodiments, and any variations, modifications, and substitutions that may occur to those skilled in the art may be made without departing from the spirit of the present invention.
Claims (6)
1. The utility model provides a warmhouse booth heating system, its characterized in that, includes fan-coil unit, water pump, heat storage water tank, electric three-way valve, heat pump, first water supply pipe, second water supply pipe, return water pipe and water supply pipe, fan-coil unit's return water end with return water pipe connects return water pipe, heat storage water tank, water pump series connection in proper order, the water pump passes through electric three-way valve with second water supply pipe, heat pump connection, heat pump, first water supply pipe, water supply pipe series connection in proper order, the second water supply pipe with water supply pipe connects, water supply pipe with fan-coil unit's the end of intaking is connected.
2. The greenhouse heating system of claim 1, wherein the fan-coil unit is located within the greenhouse 2 meters above the ground.
3. The heating system for the greenhouse as claimed in claim 1, wherein the number of the fan-coil units is plural, the water return end of the plurality of the fan-coil units is connected to the water return pipeline, and the water inlet end of the plurality of the fan-coil units is connected to the water supply pipeline.
4. The heating system for the greenhouse as claimed in claim 1, wherein the hot water storage tank is installed on the ground or underground.
5. The greenhouse heating system of claim 1, further comprising a heating device consuming electrical energy, wherein the heating device is capable of acting directly on the hot water storage tank or on a conduit of the hot water storage tank to the fan-coil unit.
6. The heating system for the greenhouse as claimed in claim 5, wherein the heating device is an electric boiler or a pipe electric heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021038019.2U CN213427338U (en) | 2020-06-08 | 2020-06-08 | Greenhouse heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021038019.2U CN213427338U (en) | 2020-06-08 | 2020-06-08 | Greenhouse heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213427338U true CN213427338U (en) | 2021-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021038019.2U Active CN213427338U (en) | 2020-06-08 | 2020-06-08 | Greenhouse heating system |
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| CN (1) | CN213427338U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116762609A (en) * | 2023-06-02 | 2023-09-19 | 西北农林科技大学 | A intelligent warm water irrigation system for warmhouse booth |
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2020
- 2020-06-08 CN CN202021038019.2U patent/CN213427338U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116762609A (en) * | 2023-06-02 | 2023-09-19 | 西北农林科技大学 | A intelligent warm water irrigation system for warmhouse booth |
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