CN106439991A - Greenhouse compound heating system for integrating hot air, floor heating and warm water irrigation - Google Patents
Greenhouse compound heating system for integrating hot air, floor heating and warm water irrigation Download PDFInfo
- Publication number
- CN106439991A CN106439991A CN201610959247.5A CN201610959247A CN106439991A CN 106439991 A CN106439991 A CN 106439991A CN 201610959247 A CN201610959247 A CN 201610959247A CN 106439991 A CN106439991 A CN 106439991A
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- Prior art keywords
- heat exchange
- water
- hot
- hot air
- greenhouse
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 165
- 238000010438 heat treatment Methods 0.000 title claims abstract description 84
- 238000003973 irrigation Methods 0.000 title claims abstract description 34
- 230000002262 irrigation Effects 0.000 title claims abstract description 34
- 150000001875 compounds Chemical class 0.000 title claims abstract description 7
- 239000002689 soil Substances 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000003245 coal Substances 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000003570 air Substances 0.000 description 46
- 239000008236 heating water Substances 0.000 description 2
- 239000003621 irrigation water Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- 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
- F24D9/00—Central heating systems employing combinations of heat transfer fluids covered by two or more of groups F24D1/00 - F24D7/00
-
- 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
- A01G25/00—Watering gardens, fields, sports grounds or the like
-
- 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
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
-
- 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
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/245—Conduits for heating by means of liquids, e.g. used as frame members or for soil heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H6/00—Combined water and air heaters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Greenhouses (AREA)
Abstract
The invention discloses a greenhouse compound heating system for integrating hot air, floor heating and warm water irrigation. The system comprises a fired coal hot air furnace, a hot air heat exchange chamber, a hot water heat exchange chamber, a floor heating pipe and a temperature adjusting tank; high-temperature gas generated by the fired coal hot air furnace enters the hot air heat exchange chamber and the hot water heat exchange chamber to respectively exchange heat with clean cold air to be heated in the hot air heat exchange chamber and clean cold water to be heated in the hot water heat exchange chamber; the cold air is heated to dissipate into a greenhouse by a hot air outlet; after the cold water is heated, one part flows into the floor heating pipe, and the other part flows into the temperature adjusting tank; the floor heating pipe heats soil of the greenhouse; the cold water is finally circulated into the hot water heat exchange chamber; and the hot water and the cold water in the temperature adjusting tank are mixed to form warm water for irrigation. The greenhouse compound heating system for integrating hot air, floor heating and warm water irrigation has the following beneficial effects: the all-directional and multi-angle effective greenhouse heating is realized; the utilization efficiency of heat energy is improved; and the excellent growth temperature is provided to crops.
Description
Technical Field
The invention relates to a greenhouse heating system, in particular to a greenhouse composite heating system integrating hot air, floor heating and warm water irrigation, and belongs to the technical field of agricultural facilities and equipment.
Background
In the north, greenhouses are the more common overwintering facilities. In winter, when extreme weather is met, the greenhouse needs to be heated, and the heating modes mainly comprise the following two modes:
firstly, heating by a heater: the greenhouse is heated by heating circulating water, and the mode has the problem of low thermal efficiency;
heating by a coal-fired hot-blast stove: the air in the greenhouse is directly heated, the heat efficiency is high, but the ground temperature is difficult to be improved only by heating the air, and in addition, under the condition of power failure, the coal-fired hot blast stove is easy to dry burn and even can burn through a heated pipeline in the stove.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a greenhouse composite heating system integrating irrigation with hot air, ground heating and warm water.
In order to achieve the above object, the present invention adopts the following technical solutions:
the utility model provides a collect hot-blast, ground warm, warm water irrigate in compound heating system of greenhouse of an organic whole which characterized in that includes: a coal-fired hot-blast stove (1), a hot-blast heat exchange chamber (2), a hot-water heat exchange chamber (3), a ground heating pipe (4) and a temperature adjusting tank (5), wherein,
high-temperature gas generated by the coal-fired hot blast stove (1) enters the hot air heat exchange chamber (2) and the hot water heat exchange chamber (3) and exchanges heat with clean cold air to be heated in the hot air heat exchange chamber (2) and clean cold water to be heated in the hot water heat exchange chamber (3) respectively, the cold air is heated and then is dissipated into the greenhouse through a hot air outlet (201), one part of the heated cold water flows into the ground heating pipe (4), the other part of the heated cold water flows into the temperature regulating tank (5), the ground heating pipe (4) heats soil of the greenhouse, the cold water finally circulates back into the hot water heat exchange chamber (3), the hot water in the temperature regulating tank (5) is mixed with the cold water, and warm water for irrigation is formed.
The greenhouse composite heating system integrating hot air, floor heating and warm water irrigation is characterized in that the hot air heat exchange chambers (2) and the hot water heat exchange chambers (3) are arranged up and down, the hot air heat exchange chambers (2) are arranged below and the hot water heat exchange chambers (3) are arranged above.
The greenhouse composite heating system integrating hot air, floor heating and warm water irrigation is characterized in that a transverse hot air heat exchange pipe (202) is arranged in the hot air heat exchange chamber (2), and clean cold air to be heated is stored in the hot air heat exchange pipe (202).
Aforesaid collect hot-blast, ground warm, warm water irrigate in the compound system of heating in greenhouse of an organic whole, its characterized in that, aforementioned hot water heat transfer room (3) include: the temperature control device comprises a heat exchange water tank (301) and a hot water heat exchange tube (302), wherein a sundry outlet is formed in the lower portion of the heat exchange water tank (301), an air exhaust port and a water replenishing port are formed in the upper portion of the heat exchange water tank (301), hot water in the heat exchange water tank (301) flows to a temperature adjusting tank (5), the hot water heat exchange tube (302) is located inside the heat exchange water tank (301), and hot water in the hot water heat exchange tube (302) flows to a ground heating tube (.
The greenhouse composite heating system integrating hot air, floor heating and warm water irrigation is characterized in that a water temperature sensor (6) is arranged in the temperature adjusting tank (5), and the water temperature sensor (6) is used for measuring the temperature of the water in the temperature adjusting tank (5) and then instructing an irrigation pump (7) to irrigate warm water.
The greenhouse composite heating system integrating hot air, floor heating and warm water irrigation is characterized in that a ground temperature sensor (8) is arranged near the floor heating pipe (4), and when the ground temperature sensor (8) measures that the ground temperature is lower than the set temperature, a ground heating pump (9) is instructed to pump hot water in the hot water heat exchange pipe (302) into the floor heating pipe (4).
Aforesaid collect hot-blast, ground warm, warm water irrigation in the compound system of heating in greenhouse of an organic whole, its characterized in that still includes: the water storage tank (10), the water storage tank (10) is connected with the heat exchange water tank (301) and the hot water heat exchange pipe (302) and is used for supplying water to the heat exchange water tank and the hot water heat exchange pipe.
The invention has the advantages that:
(1) the hot air heat exchange chamber generates hot air, the hot water heat exchange chamber generates hot water, the hot water is directly scattered to the greenhouse to heat air of the greenhouse, and the hot water respectively flows to the ground heating pipe to heat soil and flows to the temperature adjusting tank to provide warm water for irrigation, so that the utilization efficiency of heat energy is improved, and good growth temperature is provided for crops;
(2) ground heating coil heating soil, warm water are irrigated and are controlled by corresponding sensor, and degree of automation and intelligent degree are higher, have liberated the labour.
Drawings
Fig. 1 is a schematic composition diagram of a specific embodiment of the greenhouse composite heating system integrating hot air, ground heating and warm water irrigation.
The meaning of the reference symbols in the figures: the system comprises a coal-fired hot air furnace 1, a hot air heat exchange chamber 2, a hot water heat exchange chamber 3, a ground heating pipe 4, a temperature adjusting tank 5, a water temperature sensor 6, an irrigation pump 7, a ground temperature sensor 8, a ground heating pump 9, a water storage tank 10, a ground heating water return pipe 11, a ground heating water inlet pipe 12, a hot water pipe 13, a water source 14, a hot water valve 15, a cold water valve 16, a hot air outlet 201, a hot air heat exchange pipe 202, a heat exchange water tank 301 and a hot water heat exchange pipe 302.
Detailed Description
The greenhouse composite heating system provided by the invention utilizes the heat generated by the coal-fired hot blast stove to heat the air, soil and irrigation water of the greenhouse, and realizes effective heating of the greenhouse in all directions and at multiple angles.
The invention is described in detail below with reference to the figures and the embodiments.
Referring to fig. 1, the greenhouse composite heating system integrating hot air, ground heating and warm water irrigation comprises: the system comprises a coal-fired hot-blast stove 1, a hot-blast heat exchange chamber 2, a hot-water heat exchange chamber 3, a ground heating pipe 4 and a temperature adjusting tank 5.
High-temperature gas generated by the coal-fired hot blast stove 1 enters the hot air heat exchange chamber 2 and the hot water heat exchange chamber 3 and exchanges heat with clean cold air to be heated in the hot air heat exchange chamber 2 and clean cold water to be heated in the hot water heat exchange chamber 3 respectively, the cold air is heated and then is dissipated into a greenhouse through a hot air outlet 201 to heat greenhouse air, one part of the heated cold water flows into the ground heating pipe 4 through the ground heating hot water pipe 12, the other part of the heated cold water flows into the temperature adjusting tank 5 through the hot water pipe 13, the ground heating pipe 4 heats soil of the greenhouse, the cold water finally returns to the hot water heat exchange chamber 3 through the ground heating return pipe 11 in a circulating mode, the hot water and the cold water in the temperature adjusting tank 5 are mixed to form warm water for irrigation, and the temperature of the irrigation water is properly increased to be favorable for.
The hot air heat exchange chamber 2 and the hot water heat exchange chamber 3 are arranged up and down, the hot air heat exchange chamber 2 is arranged at the lower part, and the hot water heat exchange chamber 3 is arranged at the upper part. Wherein,
a transverse hot air heat exchange pipe 202 is arranged in the hot air heat exchange chamber 2, and clean cold air to be heated is stored in the hot air heat exchange pipe 202;
the hot water heat exchange chamber 3 includes: the water in the heat exchange water tank 301 and the hot water heat exchange pipe 302 both come from the water storage tank 10, the lower part of the heat exchange water tank 301 is provided with a sundry outlet, the upper part of the heat exchange water tank 301 is provided with an exhaust port and a water replenishing port, and the hot water in the heat exchange water tank 301 flows to the temperature adjusting tank 5; the hot water heat exchange pipe 302 is located inside the heat exchange water tank 301, and the hot water in the hot water heat exchange pipe 302 flows to the ground heating pipe 4.
In the system, the hot air heat exchange chamber 2 generates hot air, and the hot water heat exchange chamber 3 generates hot water, wherein the hot water is directly scattered to the greenhouse to heat greenhouse air, and the hot water respectively flows to the ground heating pipes 4 to heat soil and flows to the temperature adjusting tank 5 to provide warm water for irrigation, so that the system realizes effective heating of the greenhouse in all directions and at multiple angles, improves the utilization efficiency of heat energy, and provides good growth temperature for crops.
As a preferable scheme, a water temperature sensor 6 is arranged in the temperature adjusting tank 5, and the water temperature sensor 6 measures the temperature of the water in the temperature adjusting tank 5 and instructs the irrigation pump 7 to irrigate the water with warm water after the temperature reaches a set temperature.
More preferably, a ground temperature sensor 8 is arranged near the ground heating pipe 4, and when the ground temperature sensor 8 measures that the ground temperature is lower than the set temperature, the ground heating pump 9 is instructed to pump the hot water in the hot water heat exchange pipe 302 into the ground heating pipe 4.
Because the heating of the soil by the ground heating pipe 4 and the warm water irrigation are controlled by corresponding sensors, the system has higher automation degree and intelligence degree, and the labor force is liberated.
It should be noted that the above-mentioned embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the protection scope of the present invention.
Claims (7)
1. The utility model provides a collect hot-blast, ground warm, warm water irrigate in compound heating system of greenhouse of an organic whole which characterized in that includes: a coal-fired hot-blast stove (1), a hot-blast heat exchange chamber (2), a hot-water heat exchange chamber (3), a ground heating pipe (4) and a temperature adjusting tank (5), wherein,
high-temperature gas generated by the coal-fired hot blast stove (1) enters the hot air heat exchange chamber (2) and the hot water heat exchange chamber (3) and exchanges heat with clean cold air to be heated in the hot air heat exchange chamber (2) and clean cold water to be heated in the hot water heat exchange chamber (3) respectively, the cold air is heated and then is dissipated into the greenhouse through a hot air outlet (201), one part of the heated cold water flows into the ground heating pipe (4), the other part of the heated cold water flows into the temperature regulating tank (5), the ground heating pipe (4) heats soil of the greenhouse, the cold water finally circulates back into the hot water heat exchange chamber (3), the hot water in the temperature regulating tank (5) is mixed with the cold water, and warm water for irrigation is formed.
2. The greenhouse composite heating system integrating hot air irrigation, ground heating irrigation and warm water irrigation as claimed in claim 1, wherein the hot air heat exchange chambers (2) and the hot water heat exchange chambers (3) are arranged up and down, and the hot air heat exchange chambers (2) are arranged below and the hot water heat exchange chambers (3) are arranged above.
3. The greenhouse composite heating system integrating wind heat collection, floor heating and warm water irrigation as claimed in claim 2, wherein a transverse hot air heat exchange pipe (202) is arranged in the hot air heat exchange chamber (2), and clean cold air to be heated is stored in the hot air heat exchange pipe (202).
4. The heat collecting wind, floor heating and warm water irrigation integrated greenhouse composite heating system as claimed in claim 2, wherein the hot water heat exchange chamber (3) comprises: the temperature control device comprises a heat exchange water tank (301) and a hot water heat exchange tube (302), wherein a sundry outlet is formed in the lower portion of the heat exchange water tank (301), an air exhaust port and a water replenishing port are formed in the upper portion of the heat exchange water tank (301), hot water in the heat exchange water tank (301) flows to a temperature adjusting tank (5), the hot water heat exchange tube (302) is located inside the heat exchange water tank (301), and hot water in the hot water heat exchange tube (302) flows to a ground heating tube (.
5. The greenhouse composite heating system integrating hot air, floor heating and warm water irrigation as claimed in claim 1, wherein a water temperature sensor (6) is arranged in the temperature adjusting tank (5), and the water temperature sensor (6) is used for measuring the temperature of water in the temperature adjusting tank (5) and then instructing an irrigation pump (7) to irrigate the greenhouse.
6. The greenhouse composite heating system integrating hot air, floor heating and warm water irrigation as claimed in claim 1, wherein a ground temperature sensor (8) is arranged near the floor heating pipe (4), and when the ground temperature sensor (8) measures that the ground temperature is lower than a set temperature, a ground heating pump (9) is instructed to pump hot water in the hot water heat exchange pipe (302) into the floor heating pipe (4).
7. The greenhouse composite heating system integrating functions of hot air, floor heating and warm water irrigation as claimed in claim 1, further comprising: the water storage tank (10), the water storage tank (10) is connected with the heat exchange water tank (301) and the hot water heat exchange pipe (302) and is used for supplying water to the heat exchange water tank and the hot water heat exchange pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610959247.5A CN106439991A (en) | 2016-11-03 | 2016-11-03 | Greenhouse compound heating system for integrating hot air, floor heating and warm water irrigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610959247.5A CN106439991A (en) | 2016-11-03 | 2016-11-03 | Greenhouse compound heating system for integrating hot air, floor heating and warm water irrigation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106439991A true CN106439991A (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610959247.5A Pending CN106439991A (en) | 2016-11-03 | 2016-11-03 | Greenhouse compound heating system for integrating hot air, floor heating and warm water irrigation |
Country Status (1)
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| CN (1) | CN106439991A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106613540A (en) * | 2017-03-14 | 2017-05-10 | 新疆农业科学院农业机械化研究所 | Greenhouse dehumidifying warm water irrigation air heating furnace system |
| RU2649580C1 (en) * | 2017-07-03 | 2018-04-04 | Михаил Иванович Голубенко | System for moistening and heating of greenhouses |
| CN109906890A (en) * | 2019-03-27 | 2019-06-21 | 山东博华高效生态农业科技有限公司 | A kind of tomato efficient facility cultural method |
| RU216417U1 (en) * | 2022-11-24 | 2023-02-02 | Общество с ограниченной ответственностью "Зенит Групп" (ООО "Зенит Групп") | Device for automatic watering plants |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2497226Y (en) * | 2001-09-08 | 2002-06-26 | 张志良 | Horticulture heating temperature-increasing hot-water hot-air stove |
| CN203908010U (en) * | 2014-06-23 | 2014-10-29 | 戴玉 | Vertical type hot air and hot water boiler |
| CN105165480A (en) * | 2015-08-11 | 2015-12-23 | 北京农业智能装备技术研究中心 | Greenhouse low temperature heating equipment and system |
| CN204907360U (en) * | 2015-09-15 | 2015-12-30 | 滨州禾丰高效生态产业技术开发有限公司 | Warmhouse booth heat transfer system |
| CN105466007A (en) * | 2014-09-09 | 2016-04-06 | 新疆农业科学院农业机械化研究所 | Irrigation-heating all-in-one furnace special for facility |
| CN206875546U (en) * | 2016-11-03 | 2018-01-12 | 新疆农业科学院农业机械化研究所 | It is a kind of to integrate hot blast, floor heating, the compound heating system in the greenhouse of warm-water irrigation |
-
2016
- 2016-11-03 CN CN201610959247.5A patent/CN106439991A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2497226Y (en) * | 2001-09-08 | 2002-06-26 | 张志良 | Horticulture heating temperature-increasing hot-water hot-air stove |
| CN203908010U (en) * | 2014-06-23 | 2014-10-29 | 戴玉 | Vertical type hot air and hot water boiler |
| CN105466007A (en) * | 2014-09-09 | 2016-04-06 | 新疆农业科学院农业机械化研究所 | Irrigation-heating all-in-one furnace special for facility |
| CN105165480A (en) * | 2015-08-11 | 2015-12-23 | 北京农业智能装备技术研究中心 | Greenhouse low temperature heating equipment and system |
| CN204907360U (en) * | 2015-09-15 | 2015-12-30 | 滨州禾丰高效生态产业技术开发有限公司 | Warmhouse booth heat transfer system |
| CN206875546U (en) * | 2016-11-03 | 2018-01-12 | 新疆农业科学院农业机械化研究所 | It is a kind of to integrate hot blast, floor heating, the compound heating system in the greenhouse of warm-water irrigation |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106613540A (en) * | 2017-03-14 | 2017-05-10 | 新疆农业科学院农业机械化研究所 | Greenhouse dehumidifying warm water irrigation air heating furnace system |
| RU2649580C1 (en) * | 2017-07-03 | 2018-04-04 | Михаил Иванович Голубенко | System for moistening and heating of greenhouses |
| CN109906890A (en) * | 2019-03-27 | 2019-06-21 | 山东博华高效生态农业科技有限公司 | A kind of tomato efficient facility cultural method |
| CN109906890B (en) * | 2019-03-27 | 2021-09-17 | 山东博华高效生态农业科技有限公司 | Efficient facility cultivation method for tomatoes |
| RU216417U1 (en) * | 2022-11-24 | 2023-02-02 | Общество с ограниченной ответственностью "Зенит Групп" (ООО "Зенит Групп") | Device for automatic watering plants |
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Application publication date: 20170222 |
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