CN212393404U - Facility agriculture soil heat exchange device for realizing heat storage, heat supply and deinsectization - Google Patents
Facility agriculture soil heat exchange device for realizing heat storage, heat supply and deinsectization Download PDFInfo
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- CN212393404U CN212393404U CN202020981511.7U CN202020981511U CN212393404U CN 212393404 U CN212393404 U CN 212393404U CN 202020981511 U CN202020981511 U CN 202020981511U CN 212393404 U CN212393404 U CN 212393404U
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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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- 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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Abstract
The utility model discloses a realize facility agriculture soil heat transfer device of heat-retaining, heat supply and deinsectization, include: the heat supply unit comprises a heat supply pipe, a heat source and a heat exchange unit; more than one group of heat exchange units are arranged in the facility agricultural greenhouse, one part of the heat exchange units is positioned below the soil, and the other part of the heat exchange units is positioned above the soil; the heat source is arranged outside the facility agricultural greenhouse, is communicated with the heat exchange unit above the soil and is used for inputting hot air to the heat exchange unit, and the heat exchange unit can store heat and kill insects; the heat exchange unit is provided with more than one heat supply pipe for supplying heat to the facility agricultural greenhouse by the heat exchange unit; wherein, each heat supply pipe is provided with a heat supply pipe valve.
Description
Technical Field
The utility model relates to an energy-concerving and environment-protective technical field, concretely relates to realize facility agriculture soil heat transfer device of heat-retaining, heat supply and deinsectization.
Background
Protected Agriculture (Protected Agriculture) refers to a modern agricultural production mode for carrying out efficient production of animals and plants by adopting engineering technical means under relatively controllable environment conditions. When the plant growth regulator is used in cold areas in northern China, due to the long growth in winter, the deep frozen soil layer, the low environmental temperature and the like, the plant growth period is long, the yield is low when solanaceous crops with high temperature requirements, such as tomatoes, cucumbers and the like, are planted in facility agriculture, and even the plants cannot be harvested due to extremely cold weather. In order to solve the problem, the facility agriculture in northern cold regions uses coal-fired, gas-fired or electric boilers to carry out temperature compensation operation on the facility agriculture. The use of coal-fired boilers causes pollution to the environment and atmosphere and has fire hazard. The gas boiler needs to build a gas transmission and distribution pipeline and is also influenced by the supply of a gas source. The use of electric boilers requires the capacity increase and upgrade of a power grid for large-area facility agriculture, and also causes the problem of high energy and low use. The killing of pests, pathogenic bacteria and the like in facility agriculture soil is mainly carried out by applying pesticides, and the long-term use of the pesticides can aggravate the pollution of the agricultural soil and the enrichment of heavy metals, finally cause the quality reduction of agricultural products produced by the facility agriculture and even influence the health of consumers. Therefore, the facility agriculture planting soil is needed to be used for seasonal heat storage, timely heat supply and insect killing during shed fallowing, so that the method also meets the development requirement of green agriculture and is beneficial to expanding the winter use region and planting variety of the facility agriculture.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a realize facility agriculture soil heat transfer device of heat-retaining, heat supply and deinsectization can realize that facility agriculture soil strides quarterly heat-retaining, plants heat supply and rest canopy soil deinsectization during winter.
The technical scheme of the utility model is that: the utility model provides a realize heat-retaining, heat supply and deinsectization's facility agriculture soil heat transfer device, includes: the heat supply unit comprises a heat supply pipe, a heat source and a heat exchange unit;
more than one group of heat exchange units are arranged in the facility agricultural greenhouse, one part of the heat exchange units is positioned below the soil, and the other part of the heat exchange units is positioned above the soil; the heat source is arranged outside the facility agricultural greenhouse, is communicated with the heat exchange unit above the soil and is used for inputting hot air to the heat exchange unit, and the heat exchange unit can store heat and kill insects;
the heat exchange unit is provided with more than one heat supply pipe for supplying heat to the facility agricultural greenhouse by the heat exchange unit; wherein, each heat supply pipe is provided with a heat supply pipe valve.
Preferably, the heat exchange unit comprises: the system comprises a vertical air inlet pipe, a shallow heat exchange pipe, a deep heat exchange pipe, a straight through pipe, a vertical air outlet pipe and an induced draft fan;
the vertical air inlet pipe and the vertical air outlet pipe are respectively vertically inserted into soil to set depth, the upper ends of the vertical air inlet pipe and the vertical air outlet pipe are both positioned above the soil, the lower ends of the vertical air inlet pipe and the vertical air outlet pipe are respectively communicated with two ends of a deep heat exchange pipe arranged at the set depth position in the soil, a deep heat exchange pipe inlet valve is arranged on a pipeline between the vertical air inlet pipe and the deep heat exchange pipe, and a deep heat exchange pipe outlet valve is arranged on a pipeline between the vertical air outlet pipe and the; the shallow heat exchange tube is arranged in soil above the deep heat exchange tube, two ends of the shallow heat exchange tube are respectively communicated with the vertical air inlet tube and the vertical air outlet tube, a shallow heat exchange tube inlet valve is arranged on a pipeline between the vertical air inlet tube and the shallow heat exchange tube, and a shallow heat exchange tube outlet valve is arranged on a pipeline between the vertical air outlet tube and the shallow heat exchange tube; the shallow heat exchange tube and the deep heat exchange tube are communicated through more than one straight-through tube, and a straight-through tube valve is arranged on the straight-through tube; the vertical air inlet pipe is communicated with a hot air inlet, and hot air can enter the vertical air inlet pipe through the hot air inlet; the vertical air outlet pipe is communicated with the air outlet, and a draught fan is arranged on a pipeline between the vertical air outlet pipe and the air outlet.
Preferably, the method further comprises the following steps: a blower and a blast pipe; one end of the blast pipe is communicated with the deep heat exchange pipe, and the other end of the blast pipe is provided with a blower for blowing air to the deep heat exchange pipe; and an air supply pipe valve is arranged on a pipeline between the air supply pipe and the deep heat exchange pipe.
Preferably, the heat source includes: the solar energy heat collector comprises two communicated groove type compound parabolic condensers, wherein the two groove type compound parabolic condensers are respectively arranged at a hot air inlet and an air outlet.
Preferably, the shallow heat exchange tube is a tapered threaded tube.
Preferably, the straight-through pipe is a conical threaded pipe.
Preferably, a mulching film is paved on the upper surface of the soil.
Preferably, the heat supply pipe is provided with a hood for preventing dust and retaining water.
Has the advantages that:
1. the utility model discloses a heat transfer device, can realize that facility agriculture soil strides the quarterly heat-retaining, plant heat supply and rest canopy soil deinsectization during winter, it is high to have effectively solved the winter planting solanaceous fruit class crop temperature requirement of northern cold area facility agriculture, it uses the big problem of pesticide pollution to plant the soil deinsectization, fully consider facility agriculture soil to have the planting medium concurrently, the heat-retaining medium, with the characteristics of heat medium, realize facility agriculture soil heat-retaining, the technological integration of heat supply and deinsectization, it is long to be favorable to extending facility agriculture winter operation, it is long to enrich the use amount of facility farming variety and reduction facility agriculture pesticide.
2. The utility model discloses the concrete setting of well heat transfer unit, through arranging shallow heat exchange tube and deep heat exchange tube in soil, utilize the draught fan to inhale the deep heat exchange tube with hot-air in, accomplish the heating to planting soil, utilize the characteristics that soil specific heat capacity is big, realized the heat-retaining of soil; when facility agriculture needs temperature increasing operation, heat stored in the deep soil layer is supplied to a facility agriculture greenhouse to meet the requirement of facility agriculture planting temperature; during the shed breaking period, the valves are switched, hot air is introduced into the shallow heat exchange tubes, the temperature of the shallow soil is improved until the killing temperature of pests and pathogenic bacteria is reached, the physical pest killing purpose of the shallow soil is achieved, and the safety of soil agricultural planting is guaranteed.
3. The utility model discloses well utilize forced draught blower drive air, be favorable to extracting the heat in the deep soil fast, and then heating facility agricultural greenhouse.
4. The utility model discloses the concrete setting of well heat source is favorable to recycling through heat transfer device's air to reduce time cost and the heat cost that the outside cold air of heating reentered heat transfer device.
5. The utility model provides a shallow heat exchange tube adopts the convergent screwed pipe, is favorable to increasing its and the heat transfer area between the soil to can effectively improve heat transfer device's heat exchange efficiency.
6. The utility model provides a straight pipe adopts the toper screwed pipe, is favorable to strengthening the heat exchange of air and soil to can effectively improve heat transfer device's heat exchange efficiency.
7. The utility model discloses well utilize the plastic film to the heat preservation effect on soil surface, be favorable to making shallow soil reach the temperature of killing of pest, pathogenic bacteria fast.
Drawings
Fig. 1 is a schematic structural diagram of the heat exchange device of the present invention.
Fig. 2 is the working principle schematic diagram of heat storage and deinsectization of the heat exchange device of the utility model.
Fig. 3 is a schematic view of the working principle of the heat exchanger of the present invention.
Fig. 4 is an installation diagram of the heat exchanger of the present invention powered by a single row of trough-type compound parabolic concentrators.
Fig. 5 is an installation diagram of the heat exchanger of the present invention powered by a double-row groove type compound parabolic concentrator.
Fig. 6 is an implementation diagram of the heat exchange device of the present invention, in which the shallow heat exchange tube is replaced by a gradually reducing threaded tube, and the straight tube is replaced by a tapered threaded tube.
Wherein, 1-hot air; 2-hot air inlet; 3-a vertical air inlet pipe; 4-inlet valve of deep heat exchange tube; 5-blast cap; 6-heat supply pipe; 7-shallow heat exchange tube inlet valve; 8-shallow heat exchange tubes; 9-a vent hole; 10-blast pipe valve; 11-a blower; 12-an air supply outlet; 13-blast pipe; 14-deep heat exchange pipe; 15-straight through pipe; 16-straight through pipe valve; 17-outlet valve of shallow heat exchange tube; 18-outlet valve of deep heat exchange tube; 19-soil; 20-heating pipe valve; 21-vertical air outlet pipe; 22-a draught fan; 23-air outlet; 24-mulching film; 25-facility agricultural greenhouse; 26-trough compound parabolic concentrator; 27-a tapered threaded pipe; 28-tapered threaded pipe.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
Example 1:
the embodiment provides a facility agriculture soil heat transfer device who realizes heat-retaining, heat supply and deinsectization, can realize facility agriculture soil and stride the quarterly heat-retaining, plant heat supply and rest canopy soil deinsectization during winter.
As shown in fig. 1 to 4, the heat exchange device includes: a heat source, a heat exchange unit, a hood 5, a heat supply pipe 6, a blower 11, an air supply pipe 13 and a mulching film 24; wherein, heat transfer unit includes: the system comprises a vertical air inlet pipe 3, a shallow heat exchange pipe 8, a deep heat exchange pipe 14, a straight through pipe 15, a vertical air outlet pipe 21 and an induced draft fan 22; the heat source includes: two trough compound parabolic concentrators 26;
the connection relationship of the heat exchange device is as follows: the heat exchange unit is arranged in the facility agricultural greenhouse 25, specifically: the vertical air inlet pipe 3 and the vertical air outlet pipe 21 are respectively vertically inserted into soil 19 to set depth, the upper ends of the vertical air inlet pipe 3 and the vertical air outlet pipe 21 are both positioned above the upper surface of the soil 19, the lower ends of the vertical air inlet pipe and the vertical air outlet pipe are respectively communicated with two ends of a deep heat exchange pipe 14 arranged at the set depth position in the soil 19, a deep heat exchange pipe inlet valve 4 is arranged on a pipeline between the vertical air inlet pipe 3 and the deep heat exchange pipe 14, and a deep heat exchange pipe outlet valve 18 is arranged on a pipeline between the vertical air outlet; the shallow heat exchange tube 8 is arranged in soil 19 above the deep heat exchange tube 14, two ends of the shallow heat exchange tube are respectively communicated with the middle parts of the vertical air inlet tube 3 and the vertical air outlet tube 21, a shallow heat exchange tube inlet valve 7 is arranged on a pipeline between the vertical air inlet tube 3 and the shallow heat exchange tube 8, and a shallow heat exchange tube outlet valve 17 is arranged on a pipeline between the vertical air outlet tube 21 and the shallow heat exchange tube 8; the shallow heat exchange tube 8 and the deep heat exchange tube 14 are communicated through more than one straight-through tube 15 (namely, the shallow heat exchange tube 8 and the deep heat exchange tube 14 are respectively provided with a vent hole 9, two ends of the straight-through tube 15 are respectively arranged in the corresponding vent holes 9 on the shallow heat exchange tube 8 and the deep heat exchange tube 14), and the straight-through tube 15 is provided with a straight-through tube valve 16; wherein, the vertical air inlet pipe 3 is communicated with the hot air inlet 2, and hot air 1 can enter the vertical air inlet pipe 3 through the hot air inlet 2, thereby entering the inside of the heat exchange device; the vertical air outlet pipe 21 is communicated with the air outlet 23, and a draught fan 22 is arranged on a pipeline between the vertical air outlet pipe 21 and the air outlet 23; the hot air inlet 2 and the air outlet 23 are respectively provided with a groove type compound parabolic condenser 26, the two groove type compound parabolic condensers 26 are mutually communicated to serve as a group of heat sources and are used for generating hot air 1, inputting the hot air 1 into the heat exchange device, circularly heating the air discharged from the air outlet 23 and sending the air into the hot air inlet 2; wherein the heat source is disposed outside (sunny side) the facility agricultural greenhouse 25;
the shallow heat exchange tube 8 is also connected with more than one heat supply tube 6, each heat supply tube 6 is provided with a heat supply tube valve 20, and the dust and water are prevented through a hood 5;
further, the deep heat exchange pipe 14 is also communicated with one end of an air supply pipe 13, and the other end of the air supply pipe 13 is provided with an air blower 11; a pipeline between the blast pipe 13 and the deep heat exchange pipe 14 is provided with a blast pipe valve 10;
furthermore, a mulching film 24 is laid on the upper surface of the soil 19, so that the soil 19 is favorable for heat insulation;
the working principle of the heat exchange device is as follows: hot air 1 provided by a heat source enters a hot air inlet 2 under the action of an induced draft fan 22 and enters the heat exchange device through a vertical air inlet pipe 3;
when the facility agricultural greenhouse 25 needs heat storage, the shallow heat exchange tube valve 7, the blast tube valve 10, the straight-through tube valve 16 and the shallow heat exchange tube outlet valve 17 are all closed, the deep heat exchange tube valve 4 and the deep heat exchange tube outlet valve 18 are all opened, hot air 1 enters the deep heat exchange tube 14 and is transferred to soil 19 on the outer surface of the deep heat exchange tube 14, the hot air 1 with reduced temperature is discharged to the outside of the facility agricultural greenhouse 25 through the vertical air outlet tube 21 and the air outlet 23, and the temperature of the soil 19 in the facility agricultural greenhouse 25 is gradually increased along with the increase of the operation time and is stored in the facility agricultural greenhouse 25;
when the facility agricultural greenhouse 25 needs to supply heat, on the basis that the soil 19 in the facility agricultural greenhouse 25 stores the set temperature, the shallow heat exchange tube valve 7, the deep heat exchange tube valve 4, the shallow heat exchange tube outlet valve 17 and the deep heat exchange tube outlet valve 18 are all closed, the blast tube valve 10, the straight through tube valve 16 and the heat supply tube valve 20 are all opened, low-temperature air in the facility agricultural greenhouse 25 enters the deep heat exchange tube 14 through the blast tube 13 under the driving of the blower 11, the heat energy of the surrounding soil 19 is absorbed and then enters the straight through tube 15, and then enters the shallow heat exchange tube 8 to continuously absorb the heat energy, and the air after temperature rise enters the facility agricultural greenhouse 25 through the heat supply tube 6, so that the heat supply and temperature rise of the facility agricultural greenhouse 25 and crops in the facility agricultural greenhouse 25 are realized;
when the facility agricultural greenhouse 25 is in shed rest, the deep heat exchange tube valve 4, the straight tube valve 16 and the deep heat exchange tube outlet valve 18 are all closed, the shallow heat exchange tube valve 7 and the shallow heat exchange tube outlet valve 17 are all opened, hot air 1 provided by a heat source enters the hot air inlet 2 under the induced air action of the induced draft fan 22 and enters the shallow heat exchange tube 8 through the vertical air inlet tube 3, heat is transferred to soil 19 around the shallow heat exchange tube 8, the hot air 1 after heat exchange is discharged out of a pipeline through the vertical air outlet tube 21 and the air outlet 23, and the heat insulation and preservation action of the mulching film 24 is added, so that the temperature of the shallow soil 19 in the facility agricultural greenhouse 25 is raised to a set temperature, and pests and pathogenic bacteria can be effectively killed.
Example 2:
as shown in fig. 5, unlike embodiment 1, the heat exchange device includes: two groups of heat exchange units and two groups of heat sources; and two groove type compound parabolic condensers 26 in each group of heat sources are respectively connected with the hot air inlet 2 of one group of heat exchange units and the air outlet 23 of the other group of heat exchange units.
During the use, send into the air after the first group heat source heating in the first group heat transfer unit, heat its surrounding soil 19, the temperature of hot-air is absorbed by soil 19, and the air after the cooling returns to the second group heat source, gets into the second group heat transfer unit after the heating, and then heats its surrounding soil 19, and the air returns in the first group heat source after the cooling to realized heat transfer device hot-air's used circularly.
Example 3:
as shown in fig. 6, unlike embodiment 1 or 2, the shallow heat exchange tube 8 in the heat exchange device is replaced by a tapered threaded tube 27, and the straight tube 15 is replaced by a tapered threaded tube 28;
when in use, on the first hand, under the action of the induced draft fan 22, hot air can spirally flow along the inner wall surface of the tapered threaded pipe 27; in the second aspect, under the driving of the blower 11 and the action of the "chimney effect" of the tapered threaded pipe 28, the air in the deep heat exchange pipe 14 can enter the tapered threaded pipe 27 along the inner wall surface of the tapered threaded pipe 28 by high-speed jet flow, and then flows spirally along the inner wall surface of the tapered threaded pipe 27, so that the heat exchange between the air and the soil 19 can be strengthened, the heat exchange area between the air and the soil 19 can be increased, the heat exchange efficiency of the heat exchange device is effectively improved, and the reduction of the driving power of the induced draft fan 22 or the blower 11 is facilitated.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a realize heat-retaining, heat supply and deinsectization's facility agriculture soil heat transfer device which characterized in that includes: a heat supply pipe (6), a heat source and a heat exchange unit;
more than one group of heat exchange units are arranged in the facility agricultural greenhouse (25), one part of the heat exchange units is positioned below the soil (19), and the other part of the heat exchange units is positioned above the soil (19); the heat source is arranged outside the facility agricultural greenhouse (25), is communicated with the heat exchange unit above the soil (19) and is used for inputting hot air to the heat exchange unit, and the heat exchange unit can store heat and kill insects;
the heat exchange unit is provided with more than one heat supply pipe (6) and is used for supplying heat to the facility agricultural greenhouse (25) by the heat exchange unit; wherein, each heat supply pipe (6) is provided with a heat supply pipe valve (20).
2. The facility agricultural soil heat exchange device for storing heat, supplying heat and killing insects as claimed in claim 1, wherein the heat exchange unit comprises: the heat exchanger comprises a vertical air inlet pipe (3), a shallow heat exchange pipe (8), a deep heat exchange pipe (14), a straight through pipe (15), a vertical air outlet pipe (21) and an induced draft fan (22);
the vertical air inlet pipe (3) and the vertical air outlet pipe (21) are respectively vertically inserted into soil (19) to set depth, the upper ends of the vertical air inlet pipe and the vertical air outlet pipe are both positioned above the soil (19), the lower ends of the vertical air inlet pipe and the vertical air outlet pipe are respectively communicated with two ends of a deep heat exchange pipe (14) arranged at the set depth position in the soil (19), a deep heat exchange pipe inlet valve (4) is arranged on a pipeline between the vertical air inlet pipe (3) and the deep heat exchange pipe (14), and a deep heat exchange pipe outlet valve (18) is arranged on a pipeline between the vertical air outlet pipe (21) and the deep heat exchange pipe; the shallow heat exchange tube (8) is arranged in soil (19) above the deep heat exchange tube (14), two ends of the shallow heat exchange tube are respectively communicated with the vertical air inlet tube (3) and the vertical air outlet tube (21), a shallow heat exchange tube inlet valve (7) is arranged on a pipeline between the vertical air inlet tube (3) and the shallow heat exchange tube (8), and a shallow heat exchange tube outlet valve (17) is arranged on a pipeline between the vertical air outlet tube (21) and the shallow heat exchange tube (8); the shallow heat exchange tube (8) is communicated with the deep heat exchange tube (14) through more than one straight-through tube (15), and a straight-through tube valve (16) is arranged on the straight-through tube (15); wherein the vertical air inlet pipe (3) is communicated with the hot air inlet (2), and hot air (1) can enter the vertical air inlet pipe (3) through the hot air inlet (2); the vertical air outlet pipe (21) is communicated with the air outlet (23), and a draught fan (22) is arranged on a pipeline between the vertical air outlet pipe and the air outlet.
3. The facility agricultural soil heat exchange device for storing heat, supplying heat and killing insects as claimed in claim 2, further comprising: a blower (11) and a blower pipe (13); one end of the air supply pipe (13) is communicated with the deep heat exchange pipe (14), and the other end of the air supply pipe is provided with an air supply machine (11) for supplying air to the deep heat exchange pipe (14); wherein, a pipeline between the blast pipe (13) and the deep heat exchange pipe (14) is provided with a blast pipe valve (10).
4. The facility agricultural soil heat exchange device for storing heat, supplying heat and killing insects as claimed in claim 2, wherein the heat source comprises: the solar energy heat collector comprises two mutually communicated trough type compound parabolic condensers (26), wherein the two trough type compound parabolic condensers (26) are respectively arranged at a hot air inlet (2) and an air outlet (23).
5. The device for realizing heat storage, heat supply and deinsectization for agricultural soil in facility as claimed in claim 2, wherein the shallow heat exchange tube (8) is a tapered threaded tube.
6. The device for realizing heat storage, heat supply and deinsectization for agricultural soil in facility as claimed in claim 2, wherein the straight-through pipe (15) is a tapered threaded pipe.
7. The device for heat exchange of soil in agricultural facilities for heat storage, heat supply and deinsectization of claim 1, wherein a mulching film (24) is laid on the upper surface of the soil (19).
8. The device for exchanging heat with the soil in facility agriculture for storing heat, supplying heat and killing insects as claimed in claim 1, wherein said heat supply pipe (6) is provided with a hood (5) for preventing dust and water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020981511.7U CN212393404U (en) | 2020-06-02 | 2020-06-02 | Facility agriculture soil heat exchange device for realizing heat storage, heat supply and deinsectization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020981511.7U CN212393404U (en) | 2020-06-02 | 2020-06-02 | Facility agriculture soil heat exchange device for realizing heat storage, heat supply and deinsectization |
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| CN212393404U true CN212393404U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020981511.7U Active CN212393404U (en) | 2020-06-02 | 2020-06-02 | Facility agriculture soil heat exchange device for realizing heat storage, heat supply and deinsectization |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111713315A (en) * | 2020-06-02 | 2020-09-29 | 内蒙古工业大学 | Facility agriculture soil heat exchange device for realizing heat storage, heat supply and deinsectization |
-
2020
- 2020-06-02 CN CN202020981511.7U patent/CN212393404U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111713315A (en) * | 2020-06-02 | 2020-09-29 | 内蒙古工业大学 | Facility agriculture soil heat exchange device for realizing heat storage, heat supply and deinsectization |
| CN111713315B (en) * | 2020-06-02 | 2024-04-26 | 内蒙古工业大学 | Facility agriculture soil heat exchange device for realizing heat storage, heat supply and deinsectization |
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