CN212232401U - Novel energy-concerving and environment-protective greenhouse heats device - Google Patents
Novel energy-concerving and environment-protective greenhouse heats device Download PDFInfo
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- CN212232401U CN212232401U CN202020317010.9U CN202020317010U CN212232401U CN 212232401 U CN212232401 U CN 212232401U CN 202020317010 U CN202020317010 U CN 202020317010U CN 212232401 U CN212232401 U CN 212232401U
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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
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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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
Abstract
The application provides a novel energy-saving environment-friendly greenhouse heating device which comprises a heat collecting unit, a heat storage unit and a control unit; the heat collection unit comprises two solar heating pads; the two solar heating pads are symmetrically fixed on the rear wall of the greenhouse; the solar heating pad comprises a water inlet main pipe and a water outlet main pipe which are arranged in parallel; the heat storage unit comprises a heat preservation water storage tank; the heat-preservation water storage tank adopts an underground structure and is arranged in the middle of the sunlight greenhouse; the bottom of the heat-preservation water storage tank is provided with a circulating pump; the water outlet of the circulating pump is connected with a water supply pipe; the water supply pipe is communicated with the two water inlet main pipes through a tee joint; the two water outlet main pipes are respectively communicated with the heat-preservation water storage tank through water return pipes; the control unit comprises a controller arranged on the side wall; the controller is electrically connected with the circulating pump. The utility model discloses use water as the medium, rational utilization solar energy, energy-concerving and environment-protective, it is with low costs, can effectively promote the temperature in the greenhouse night winter.
Description
Technical Field
The application relates to the technical field of greenhouse heating devices, in particular to a novel energy-saving and environment-friendly greenhouse heating device.
Background
At present, the greenhouse is generally used for cultivating the overwintering crops in winter in China, the greenhouse adopts a north wall structure, the surface of a wall body accumulates heat by receiving radiation light irradiated by a front roof in the daytime, and the heat is conducted through the wall body and the heat convection between the wall body and air in the greenhouse at night, so that the indoor temperature is increased. However, due to the limitation of the characteristics of wall materials, in most cases, the heat storage capacity of the north wall is limited, the temperature in the greenhouse is low in the late midnight, and the low-temperature cold injury phenomenon sometimes occurs, so that the quality and the yield of crops are affected.
In order to meet the temperature requirement of crop growth, a fuel boiler type heating device is often arranged in a greenhouse, the problems of high energy consumption and high cost are generally existed in the mode, in the area of 30-40 degrees north latitude, the heating energy consumption accounts for about 30-50% of the total cost, in addition, harmful gases such as carbon dioxide, carbon monoxide, sulfur dioxide and the like generated in the heating process cause environmental pollution, the sustainable development of modern agriculture is not facilitated, the initial investment of other heating devices such as a ground source heat pump and the like is higher, the large-scale agricultural application is not facilitated, and therefore, the use limitation is more.
Disclosure of Invention
The utility model aims at the above problem, provide a novel energy-concerving and environment-protective greenhouse heating device.
The application provides a novel energy-saving environment-friendly greenhouse heating device which is used for a sunlight greenhouse, wherein the sunlight greenhouse comprises a greenhouse rear wall and two side walls, and the novel energy-saving environment-friendly greenhouse heating device comprises a heat collection unit, a heat storage unit and a control unit; the heat collection unit comprises two solar heating pads; the two solar heating pads are symmetrically fixed on the rear wall of the greenhouse; the solar heating pad comprises a water inlet main pipe and a water outlet main pipe which are arranged in parallel; the heat storage unit comprises a heat-preservation water storage tank; the heat-preservation water storage tank adopts an underground structure and is arranged in the middle of the sunlight greenhouse; the bottom of the heat-preservation water storage tank is provided with a circulating pump; the water outlet of the circulating pump is connected with a water supply pipe; the water supply pipe is communicated with the two water inlet main pipes through a tee joint; the two water outlet main pipes are respectively communicated with the heat-preservation water storage tank through water return pipes; the control unit comprises a controller arranged on the side wall; the controller is electrically connected with the circulating pump.
According to the technical scheme provided by some embodiments of the application, a first temperature sensor for detecting the indoor temperature is arranged in the sunlight greenhouse; the first temperature sensor is in signal connection with the controller; the controller is configured to receive the signal sent by the first temperature sensor.
According to the technical scheme provided by some embodiments of the application, a second temperature sensor is arranged in the heat-preservation water storage tank and is in signal connection with the controller; the controller is configured to receive the signal sent by the second temperature sensor.
According to the technical scheme provided by some embodiments of the application, the heat-preservation water storage tank comprises an outer layer, a heat-preservation layer and an inner container layer; the outer layer is made of 201 stainless steel; the heat-insulating layer is made of polyurethane material; the inner container layer is made of 304 stainless steel.
According to the technical scheme provided by some embodiments of the application, an electric heating pipe is installed in the heat-preservation water storage tank; the electric heating pipe is electrically connected with the controller.
According to the technical scheme provided by some embodiments of the application, the heat collecting unit further comprises a heat collector; the heat collector is arranged between the water outlet main pipe and the water return pipe; the heat collector is arranged on the rear wall of the greenhouse through an adjustable fixing frame; the adjustable fixing frame comprises a base, a supporting frame and an adjusting rod; a supporting bottom plate is arranged at the bottom of the supporting frame; the base is fixedly arranged on the rear wall of the greenhouse; one end of the supporting frame is rotatably connected with the upper end of the base, and the other end of the supporting frame is provided with a plurality of adjusting holes; one end of the adjusting rod is hinged to the lower end of the base, and the other end of the adjusting rod penetrates through any one of the adjusting holes through a bolt and is fixedly connected to the supporting frame.
According to the technical scheme provided by some embodiments of the application, the baffle plates are installed on two sides of the supporting frame.
According to the technical scheme provided by some embodiments of the application, the heat collector is fixedly connected with the baffle through a pressing device; the pressing device comprises a pressing block, a pull rod and a spring; the back of the heat collector is provided with a mounting seat; a slot is formed in the side surface of the mounting seat; the inner side wall of the baffle corresponding to the slot is provided with a groove; a through hole is formed at the bottom of the groove; one end of the pull rod is fixedly connected with the pressing block, and the other end of the pull rod penetrates through the through hole and extends to the outside of the baffle; the spring is sleeved outside the pull rod, and two ends of the spring are fixedly connected with the pressing block and the groove bottom of the groove respectively.
According to the technical scheme provided by some embodiments of the application, one end of the pull rod, which is far away from the pressing block, is fixedly connected with a handle.
Compared with the prior art, the beneficial effect of this application:
(1) the novel energy-saving environment-friendly greenhouse heating device can raise the temperature of water in the solar heating pad by utilizing heat generated by solar energy in winter daytime, stores the water in the heat-preservation water storage tank through the circulating pump, circulates hot water to the solar heating pad through the circulating pump at night, heats the interior of the greenhouse and ensures that the sunlight greenhouse can still keep proper temperature requirement at night in winter;
(2) the novel energy-saving environment-friendly greenhouse heating device is simple in structure and easy to operate, takes water as a medium, reasonably utilizes solar energy, saves energy, protects environment and is low in cost;
(3) the heat-preservation water storage tank is arranged underground, so that the space on the ground can be avoided being occupied, and heat preservation of water in the heat-preservation water storage tank is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of a novel energy-saving and environment-friendly greenhouse heating device provided in embodiment 1 of the present application;
fig. 2 is a schematic structural view of a heat-insulating water-storing tank of the novel energy-saving environment-friendly greenhouse heating device provided in embodiment 1 of the present application;
fig. 3 is a schematic structural diagram of a novel energy-saving and environment-friendly greenhouse heating device provided in embodiment 2 of the present application;
fig. 4 is a schematic structural view of an adjustable fixing frame of a heating device of a novel energy-saving and environment-friendly greenhouse provided in embodiment 2 of the present application;
fig. 5 is a schematic structural diagram of a pressing device of the novel energy-saving and environment-friendly greenhouse warming device provided in embodiment 2 of the present application;
fig. 6 is an enlarged structural view of a part a in fig. 5.
The text labels in the figures are represented as:
1. a rear wall of the greenhouse; 2. a side wall; 3. a heat collector; 4. a base; 5. a support frame; 6. adjusting a rod; 7. a support base plate; 8. an adjustment hole; 9. a heat-preservation water storage tank; 10. a circulation pump; 11. a water supply pipe; 12. A water return pipe; 13. a controller; 14. a first temperature sensor; 15. a second temperature sensor; 16. An electric heating tube; 17. a baffle plate; 18. briquetting; 19. a pull rod; 20. a spring; 21. a mounting seat; 22. A slot; 23. a groove; 24. a handle; 25. a solar heating pad; 26. a water inlet main pipe; 27. a water outlet main pipe; 28. and a tee joint.
Detailed Description
The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.
Example 1:
referring to fig. 1 and 2, the present embodiment provides a novel energy-saving and environment-friendly greenhouse heating device for heating the interior of a sunlight greenhouse in winter, the sunlight greenhouse includes a rear wall 1 and two side walls 2, the novel energy-saving and environment-friendly greenhouse heating device includes a heat collecting unit, a heat storage unit and a control unit; the heat collection unit comprises two solar heating pads 25, the two solar heating pads 25 are symmetrically fixed on the rear wall 1 of the greenhouse, and the solar heating pads 25 comprise a water inlet main pipe 26 and a water outlet main pipe 27 which are arranged in parallel; the heat storage unit comprises a heat preservation water storage tank 9, the volume of the heat preservation water storage tank 9 is 1.5 tons, the heat preservation water storage tank 9 is of an underground structure and is installed in the middle of the sunlight greenhouse and is more beneficial to heat preservation of water inside, a circulating pump 10 is installed at the bottom of the heat preservation water storage tank 9, the power of the circulating pump 10 is 0.5-1.5 kw, a water outlet of the circulating pump 10 is connected with a water supply pipe 11, the water supply pipe 11 is communicated with two water inlet main pipes 26 through a tee 28, and the two water outlet main pipes 27 are respectively communicated with the heat preservation water storage tank 9 through a water return pipe; and the control unit comprises a controller 13 arranged on the side wall 2, and the controller 13 is electrically connected with the circulating pump 10.
Preferably, a first temperature sensor 14 for detecting the indoor temperature is arranged in the sunlight greenhouse, the first temperature sensor 14 is in signal connection with the controller 13, and the controller 13 is configured to receive a signal sent by the first temperature sensor 14.
Preferably, a second temperature sensor 15 is arranged in the heat-preservation water storage tank 9, and the second temperature sensor 15 is in signal connection with the controller 13; the controller 13 is configured to receive the signal sent by the second temperature sensor 15.
Preferably, the heat-preservation water storage tank 9 comprises an outer layer, a heat-preservation layer and an inner container layer, wherein the outer layer is made of 201 stainless steel, the heat-preservation layer is made of polyurethane materials, and the inner container layer is made of 304 stainless steel.
Preferably, an electric heating pipe 16 is installed in the heat preservation water storage tank 9, the electric heating pipe 16 is electrically connected with the controller 13, and the arrangement of the electric heating pipe 16 can ensure that the water temperature in the heat preservation water storage tank 9 can meet the requirement of the circulating water temperature at night in rainy, snowy and cloudy days and other weather.
Before the novel energy-saving environment-friendly greenhouse heating device provided by the embodiment is used, a water temperature limit value T1 and an air temperature limit value T2 need to be set in the controller 13; the working process is divided into two stages: the first stage is a day heat collection stage, when sunlight is sufficient in the day, the controller 13 controls the circulating pump 10 to be started, the circulating pump 10 slowly circulates water in the heat-preservation water storage tank 9 into the solar heating mat 25, the water flows back into the heat-preservation water storage tank 9 after being irradiated by the sunlight to absorb heat and raise the temperature, and the circulation is carried out in such a way, when the water temperature detected by the second temperature sensor 15 reaches the set water temperature limit value T1, the controller 13 controls the circulating pump 10 to stop working; the second stage is a night heat dissipation stage, when the air temperature value detected by the first temperature sensor 14 is lower than the set air temperature limit value T2, the controller 13 controls the circulating pump 10 to start working, hot water stored in the heat preservation and water storage tank 9 circulates to the solar heating pad 25, heat is dispersed into the sunlight greenhouse through the solar heating pad 25, the interior of the greenhouse is heated, and the sunlight greenhouse can still keep a proper temperature requirement at night in winter; particularly, in rainy, snowy and cloudy days and other weather, the controller 13 can control the electric heating pipe 16 to work, so as to ensure that the water temperature in the heat-preservation water storage tank 9 can meet the requirement of the circulating water temperature at night.
The novel energy-saving environment-friendly greenhouse heating device provided by the embodiment can raise the water temperature of the solar heating mat 25 by using the heat generated by solar energy in winter in daytime, stores the heat in the heat-preservation water storage tank 9 through the circulating pump 10, circulates hot water through the circulating pump 10 at night, heats the interior of the greenhouse, and ensures that the sunlight greenhouse can still keep proper temperature requirement at night in winter; the novel energy-saving environment-friendly greenhouse heating device is simple in structure and easy to operate, takes water as a medium, reasonably utilizes solar energy, saves energy, protects environment and is low in cost; the heat-preservation water storage tank 9 is arranged underground, so that the space on the ground can be avoided being occupied, and heat preservation of water in the heat-preservation water storage tank 9 is facilitated; by arranging the electric heating pipe 16, the requirement of circulating water temperature at night can be met in the weather of rain, snow, clouds and the like.
Example 2:
referring to fig. 3 and fig. 4, the present embodiment provides another novel energy-saving and environment-friendly greenhouse heating apparatus, which is further improved on the basis of the novel energy-saving and environment-friendly greenhouse heating apparatus provided in embodiment 1, and the same parts of the present embodiment as those of embodiment 1 are not repeated, except that: the heat collecting unit also comprises a heat collector 3, the heat collector 3 is arranged between a water outlet main pipe 27 and a water return pipe 12, the water inlet end of the heat collector 3 is communicated with the water outlet main pipe 27, the water outlet end is communicated with the water return pipe 12, the heat collector 3 is arranged on a rear wall 1 of the greenhouse through an adjustable fixing frame, the adjustable fixing frame comprises a base 4, a supporting frame 5 and an adjusting rod 6, a supporting bottom plate 7 is arranged at the bottom of the supporting frame 5 and used for supporting the heat collector 3 from the bottom, the base 4 is fixedly arranged on the rear wall 1 of the greenhouse through bolts, the upper end of the supporting frame 5 is rotatably connected with the upper end of the base 4, a plurality of adjusting holes 8 are arranged at the lower end of the supporting frame 5, in the embodiment, 3 adjusting holes 8 are arranged, in other embodiments of the application, other numbers of adjusting holes 8 can be, the other end passes through any adjusting hole 8 fixed connection on support frame 5 through the bolt, realizes the regulation to 5 angles of support frame to the realization is to the regulation of the inclination of the heat collector 3 of putting on it.
Preferably, the supporting frame 5 is provided with a baffle 17 at both sides.
Referring to fig. 5 and 6, preferably, the heat collector 3 is fixedly connected to the baffle 17 through a pressing device, the pressing device includes a pressing block 18, a pull rod 19 and a spring 20, the back of the heat collector 3 is provided with an installation seat 21, a slot 22 is formed in a side surface of the installation seat 21, a groove 23 is formed in the inner side wall of the baffle 17 corresponding to the slot 22, a through hole is formed in a bottom of the groove 23, one end of the pull rod 19 is fixedly connected to the pressing block 18, the other end of the pull rod passes through the through hole to extend to the outside of the baffle 17, the spring 20 is sleeved on the outside of the pull rod 19, and two ends of the spring are fixedly connected. The setting of closing device can place heat collector 3 on adjustable mount more stably, overhaul or when changing heat collector 3, the installation is dismantled conveniently, during the installation, through outside pulling pull rod 19, drive briquetting 18 and remove to recess 23, place heat collector 3 in the middle of two baffles 17, loosen pull rod 19, under the effect of spring 20, briquetting 18 inserts in slot 22 and compresses tightly, fix heat collector 3 on adjustable mount, when dismantling, outside pulling pull rod 19, pull out briquetting 18 from slot 22, it can to move heat collector 3 down from adjustable mount, easy operation is convenient.
Preferably, a handle 24 is fixedly connected to one end of the pull rod 19 away from the press block 18, so as to facilitate the pulling out of the pull rod 19.
The novel energy-saving environment-friendly greenhouse heating device provided by the embodiment can improve the heat collection efficiency of the heat collection unit by adding the heat collector 3 on the basis of the embodiment 1; by arranging the adjustable fixing frame, the heat collector 3 can be conveniently installed on the rear wall 1 of the greenhouse, and meanwhile, the inclination angle of the heat collector 3 can be adjusted, so that a good illumination angle can be conveniently obtained; through setting up closing device, can fix heat collector 3 on adjustable mount steadily, the installation is dismantled simple and conveniently.
The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.
Claims (9)
1. A novel energy-saving environment-friendly greenhouse heating device is used for a sunlight greenhouse, the sunlight greenhouse comprises a greenhouse rear wall (1) and two side walls (2), and the novel energy-saving environment-friendly greenhouse heating device is characterized by comprising a heat collection unit, a heat storage unit and a control unit;
the heat collection unit comprises two solar heating pads (25); the two solar heating mats (25) are symmetrically fixed on the rear wall (1) of the greenhouse; the solar heating pad (25) comprises a water inlet main pipe (26) and a water outlet main pipe (27) which are arranged in parallel;
the heat storage unit comprises a heat-preservation water storage tank (9); the heat-preservation water storage tank (9) adopts an underground structure and is arranged in the middle of the sunlight greenhouse; the bottom of the heat-preservation water storage tank (9) is provided with a circulating pump (10); a water outlet of the circulating pump (10) is connected with a water supply pipe (11); the water supply pipe (11) is communicated with the two water inlet main pipes (26) through a tee joint (28); the two water outlet main pipes (27) are respectively communicated with the heat-preservation water storage tank (9) through water return pipes (12);
the control unit comprises a controller (13) arranged on the side wall (2); the controller (13) is electrically connected with the circulating pump (10).
2. The novel energy-saving environment-friendly greenhouse heating device as claimed in claim 1, wherein a first temperature sensor (14) for detecting the indoor temperature is arranged in the sunlight greenhouse; the first temperature sensor (14) is in signal connection with the controller (13); the controller (13) is configured to receive the signal sent by the first temperature sensor (14).
3. The novel energy-saving environment-friendly greenhouse heating device as claimed in claim 1, wherein a second temperature sensor (15) is arranged in the heat-preservation water storage tank (9), and the second temperature sensor (15) is in signal connection with the controller (13); the controller (13) is configured to receive the signal sent by the second temperature sensor (15).
4. The novel energy-saving environment-friendly greenhouse heating device as claimed in claim 1, wherein the heat-insulating water storage tank (9) comprises an outer layer, a heat-insulating layer and an inner container layer; the outer layer is made of 201 stainless steel; the heat-insulating layer is made of polyurethane material; the inner container layer is made of 304 stainless steel.
5. The novel energy-saving environment-friendly greenhouse heating device as claimed in claim 1, wherein an electric heating pipe (16) is installed in the heat-preservation water storage tank (9); the electric heating pipe (16) is electrically connected with the controller (13).
6. The new energy saving and environmental friendly greenhouse warming device according to claim 1, wherein the heat collecting unit further comprises a heat collector (3); the heat collector (3) is arranged between the water outlet main pipe (27) and the water return pipe (12); the heat collector (3) is arranged on the rear wall (1) of the greenhouse through an adjustable fixing frame; the adjustable fixing frame comprises a base (4), a supporting frame (5) and an adjusting rod (6); a supporting bottom plate (7) is arranged at the bottom of the supporting frame (5); the base (4) is fixedly arranged on the rear wall (1) of the greenhouse; one end of the support frame (5) is rotatably connected with the upper end of the base (4), and the other end of the support frame is provided with a plurality of adjusting holes (8); one end of the adjusting rod (6) is hinged to the lower end of the base (4), and the other end of the adjusting rod penetrates through any one of the adjusting holes (8) through a bolt and is fixedly connected to the supporting frame (5).
7. A novel energy-saving environment-friendly greenhouse heating device as claimed in claim 6, characterized in that baffles (17) are installed on both sides of the supporting frame (5).
8. The novel energy-saving environment-friendly greenhouse heating device as claimed in claim 7, wherein the heat collector (3) is fixedly connected with the baffle plate (17) through a compressing device; the pressing device comprises a pressing block (18), a pull rod (19) and a spring (20); the back of the heat collector (3) is provided with a mounting seat (21); a slot (22) is formed in the side surface of the mounting seat (21); a groove (23) is formed in the inner side wall of the baffle (17) corresponding to the slot (22); a through hole is formed at the bottom of the groove (23); one end of the pull rod (19) is fixedly connected with the pressing block (18), and the other end of the pull rod penetrates through the through hole to extend to the outside of the baffle (17); the spring (20) is sleeved outside the pull rod (19), and two ends of the spring are respectively fixedly connected with the pressing block (18) and the groove bottom of the groove (23).
9. The novel energy-saving environment-friendly greenhouse heating device as claimed in claim 8, characterized in that a handle (24) is fixedly connected to one end of the pull rod (19) far away from the pressing block (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020317010.9U CN212232401U (en) | 2020-03-13 | 2020-03-13 | Novel energy-concerving and environment-protective greenhouse heats device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020317010.9U CN212232401U (en) | 2020-03-13 | 2020-03-13 | Novel energy-concerving and environment-protective greenhouse heats device |
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| Publication Number | Publication Date |
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| CN212232401U true CN212232401U (en) | 2020-12-29 |
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| CN202020317010.9U Active CN212232401U (en) | 2020-03-13 | 2020-03-13 | Novel energy-concerving and environment-protective greenhouse heats device |
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