CN201388509Y - Solar energy continuous heat supply type drying equipment - Google Patents
Solar energy continuous heat supply type drying equipment Download PDFInfo
- Publication number
- CN201388509Y CN201388509Y CN200920052310U CN200920052310U CN201388509Y CN 201388509 Y CN201388509 Y CN 201388509Y CN 200920052310 U CN200920052310 U CN 200920052310U CN 200920052310 U CN200920052310 U CN 200920052310U CN 201388509 Y CN201388509 Y CN 201388509Y
- Authority
- CN
- China
- Prior art keywords
- air
- hothouse
- heat
- solar energy
- heat collector
- Prior art date
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
-
- 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
- Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
- Y02A40/924—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation using renewable energies
-
- 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
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model provides solar energy continuous heat supply type drying equipment which comprises a drying chamber. A material frame is arranged in the drying chamber, and a drying chamber air inlet interface is arranged under the drying chamber. The drying equipment further comprises a blast blower, a control valve and a V-type plate heat collector which is obliquely arranged. A heat-insulation/preservation water tank is arranged on the V-type plate heat collector, the air inlet end of the blast blower is communicated with atmospheric air, the air outlet end of the blast blower is connected with an inlet of the control valve, a first outlet of the control valve is connected with the air inlet of the V-type plate heat collector, a hot air channel which is communicated is arranged in the V-type plate heat collector, the air outlet of the heat collector is connected with the drying chamber air inlet interface, a second outlet of the control valve is connected with the drying chamber air inlet interface by a snakelike air pipe, the snakelike air pipe is arranged in the heat-insulation/preservation water tank, the heat-insulation/preservation water tank is sequentially connected with hot water pipes in the V-type plate heat collector by water pipes, and the heat-insulation/preservation water tank and the hot water pipes form a circulating water channel. The drying equipment has the characteristics of continuous heat supply, low cost, simple structure and high heat utilizing efficiency.
Description
Technical field
The utility model belongs to crops processing equipment field, particularly utilizes solar energy that the food crops are carried out dry equipment.
Background technology
At food drying, particularly in the Guangdong-style preserved fruits drying in the industry, the dry dual mode in domestic main employing nature sun dehydration and greenhouse, nature sun dehydration required time is oversize, can shorten drying time though the greenhouse is dry, but can not realize continued operation equally, external associated solar food drying equipment has free convection and forced convertion type drying equipment, but ubiquity can not be realized continuous drying and waste gas and not recycle, cause the problems such as waste of heat energy.
Domestic about in the food drying equipment prior art, Chinese invention patent publication number CN101086423A, a kind of additional source of energy drying device of solar energy drying equipment, disclose a kind of solar energy that utilizes and carried out dry equipment, its technical scheme is: an electric heater section of being made up of crooked airduct and electric heater is installed in board-like heat collector airduct lower end, is set up the burning heater that several can use coal or fuel oil or combustion gas or agricultural crop straw respectively below the heat accumulation water pot of heat collector hot air drying system.This device can be realized cloudy drying operation, can make solar energy drying equipment realize round-the-clock continuous drying operation.Technical scheme need be provided with two kinds of heat collectors, board-like heat collector and heat collector, and cost is higher, complex structure; Do not consider the function of Waste Heat Recovery in addition; Structurally, make the volume of hothouse be subjected to the restriction of heat collector height, be unfavorable for the increase in hothouse space.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, design a kind of can continuous heat supply, cost is low, simple in structure and efficiency of utilization is high solar energy continuous heat supply type drying apparatus.
To achieve these goals, the utility model comprises following technical scheme: a kind of solar energy continuous heat supply type drying apparatus, comprise hothouse, and be provided with the material frame in the hothouse, hothouse has hothouse air intake interface; Also comprise air blast, control valve, the V-type plate heat collector that is obliquely installed, described V-type plate heat collector is provided with the adiabatic heat-insulation water tank;
Described air blast air intake communicates with atmosphere, outlet air end is connected with the import of control valve, first outlet of control valve is connected with V-type plate heat collector air inlet, is provided with the hot-air channel of conducting in the V-type plate heat collector, and V-type plate heat collector air outlet is connected with hothouse air intake interface;
Second outlet of described control valve is connected with hothouse air intake interface by snakelike airduct, snakelike airduct is located in the adiabatic heat-insulation water tank, the adiabatic heat-insulation water tank connects hot-water line in the V-type plate heat collector successively by water pipe, and described adiabatic heat-insulation water tank and hot-water line form the circulation waterway passage.
Described V-type plate heat collector is to be made of some V-type thermal-arrest unit that are planar alignment; The top of V-type thermal-arrest unit is provided with hot-water line, and the thermal-arrest plate upper surface of V-type is provided with the vacuum glass layer, and the thermal-arrest plate lower surface of V-type is provided with heat-insulation layer, and the last lower channel that vacuum glass layer and heat-insulation layer and V-type thermal-arrest unit form is a hot-air channel.
In order to guarantee V-type plate heat collector operate as normal, more effective absorption solar energy, the gradient on V-type plate heat collector and plane is 31 °～37 °
The air inlet of described V-type plate heat collector is provided with air cleaner.
For can be making full use of by the hot-air in the hothouse, be unlikely to it is discharged in vain, be connected with the heat exchanger that inlet air is carried out preheating between described air blast and the control valve, the thermal source import of heat exchanger is connected with hothouse, and the thermal source outlet of heat exchanger is the hothouse exhaust outlet.
In order to realize automatic control, described control valve is connected with automatic control component, and described automatic control component comprises the humiture inductor.
Further, described humiture inductor is located at hothouse.
In order to make in bad weather, long-time when overcast and rainy, to the water heating of adiabatic heat-insulation water tank, be provided with the auxiliary electrical heating wire that heats that is used for that is connected with automatic control component in the described adiabatic heat-insulation water tank.
In order to save the space, improve heat utilization efficiency, described material frame is stacked setting.
Described hothouse upper end is provided with an inclined plane, connects exhaust chimney on the hothouse.
The utility model compared with prior art has following remarkable result: at first, the utility model has realized that the board-like heat collector of general solar water heater is through being transformed into the V-type plate heat collector, this heat collector ventilates up and down at V-type plate, the heat collector air outlet is connected with hothouse air intake interface, the adiabatic heat-insulation water tank connects water pump successively by water pipe simultaneously, and the hot-water line in the heat collector forms the circulation waterway passage, has just realized the combination of hot air drying system and solar energy storage system, cost is low, and is simple in structure.In addition, owing between air blast and control valve, be connected with the heat exchanger that inlet air is carried out preheating, the thermal source import of heat exchanger is connected with hothouse, and the thermal source outlet of heat exchanger has realized the making full use of before discharge of the hot-air in the hothouse in dry chamber exhaust outlet; The utility model also is provided with humiture inductor, heating wire, has the characteristics of Based Intelligent Control, has satisfied under the southern distinctive long-time rainy weather requirement to food dryings such as fruit jellies.
Description of drawings
Fig. 1 is a positive perspective view of the present utility model;
Fig. 2 is a back side of the present utility model perspective view;
Fig. 3 is the cut-away view of V-type plate heat collector of the present utility model;
Fig. 4 is the perspective structure schematic diagram of adiabatic heat-insulation water tank of the present utility model.
The specific embodiment
A kind of solar energy continuous heat supply type drying apparatus of the utility model can continuous heat supply, cost is low, simple in structure and efficiency of utilization is high.Fig. 1 is a perspective view of the present utility model, and Fig. 2 is a back side of the present utility model perspective view; The utility model comprises hothouse 1, material frame 2, hothouse air intake interface 3, first airduct 8, second airduct 4, the 3rd airduct 12, first water pipe 5, second water pipe 15, V-type plate heat collector 6, air blast 7, control valve 9, heat exchanger 11, electrical heating wire 13, coiled pipe 14, adiabatic heat-insulation water tank 16, humiture inductor 17, exhaust chimney 18.
Be provided with material frame 2 in the hothouse 1 of the present utility model, in order to save the space, improve heat utilization efficiency, described material frame 2 is stacked setting; Hothouse 1 has hothouse air intake interface 3, and described hothouse air intake interface 3 is dismountable, is easy for installation and maintenance; Hothouse also be provided with for 1 time air blast 7, control valve 9, with horizontal plane tilt V-type plate heat collector 6, the adiabatic heat-insulation water tank 16 of 30 °～37 ° of settings.
Described air blast 7 air intakes communicate with atmosphere, outlet air end is connected with the import of control valve 9, first outlet of control valve 9 is connected with V-type plate heat collector 6 air inlets, is provided with the hot-air channel 65 of conducting in the V-type plate heat collector 6, and the air outlet of heat collector is connected with hothouse air intake interface 3; Second outlet of described control valve 9 is connected with hothouse air intake interface 3 by snakelike airduct 14, snakelike airduct 14 is located in the adiabatic heat-insulation water tank 16, adiabatic heat-insulation water tank 16 connects hot-water line 61 in the V-type plate heat collector 6 successively by water pipe, and described adiabatic heat-insulation water tank 16 forms the circulation waterway passages with hot-water line 61.
Fig. 3 is the cut-away view of V-type plate heat collector of the present utility model.Described V-type plate heat collector 6 is to be made of some V-type thermal-arrest unit 62 that are planar alignment; The top of V-type thermal-arrest unit 62 is provided with hot-water line 61, thermal-arrest plate 6 upper surfaces of V-type are provided with vacuum glass layer 63, thermal-arrest plate 6 lower surfaces of V-type are provided with heat-insulation layer 64, and vacuum glass layer 63 and heat-insulation layer 64 are hot-air channel 65 by the last lower channel with 62 formation of V-type thermal-arrest unit.Wind can flow, and be heated in hot-air channel 65 along V-type plate heat collector 6 air inlets, hot-air channel 65, V-type plate heat collector 6 air outlets, hothouse air intake interface 3.
Fig. 4 is the perspective structure schematic diagram of adiabatic heat-insulation water tank of the present utility model, second outlet of control valve 9 is connected with hothouse air intake interface 3 by snakelike airduct 14, second airduct 4, snakelike airduct 14 is located in the adiabatic heat-insulation water tank 16, adiabatic heat-insulation water tank 16 connects successively by hot-water line 61, second water pipe 15 in first water pipe 5, the V-type plate heat collector 6, form the circulation waterway passage, this circulation waterway rises by siphon and hot water, the principle that cold water descends circulates automatically, and adiabatic heat-insulation water tank 16 should place V-type plate heat collector 6 tops.Otherwise need water pump.Wind can flow along snakelike airduct 14, hothouse air intake interface 3, and in snakelike airduct 14, be heated, because surpass when requiring temperature when temperature in the hothouse in the daytime, control valve 9 is opened automatically, circulated in the water route, in water tank, night, then by opening snakelike airduct by-pass valve control, air blast carried out drying by the airduct air blast to material in the hothouse with thermal energy storage.
Innovation part of the present utility model also is, for can be making full use of by the hot-air in the hothouse, be unlikely to it is discharged in vain, be connected with the heat exchanger 11 that inlet air is carried out preheating between described air blast 7 and the control valve 9, the thermal source import of heat exchanger 11 is connected with hothouse 1, and the thermal source outlet of heat exchanger 11 is hothouse 1 exhaust outlet.Be specially at hothouse 1 top, or on the exhaust chimney 18 at hothouse 1 top, be provided with the 3rd airduct 12, the 3rd airduct guides the hot-air at hothouse 1 top get off, and enters the thermal source import of heat exchanger 11, and discharges by the thermal source outlet of heat exchanger 11, be air blast 7 in the heat exchanger 11 with control valve 9 between the tracheae that is connected, the hot-air of hothouse discharge has carried out preheating to inlet air before thoroughly discharging like this, and efficiency of utilization improves obviously very much.
In order to realize automatic control, described control valve 9 is connected with automatic control component, and described automatic control component comprises humiture inductor 17, and further, this humiture inductor 17 is located at hothouse 1.Specifically, automatic control component is common Single-chip Controlling unit, realized the automatic control function of control valve 9, and humiture inductor 17 also is connected with automatic control component, the temperature-humidity signal that input is sensed, the duty of control control valve 9, in order to make in bad weather, long-time when overcast and rainy, the water heating to adiabatic heat-insulation water tank 16 is provided with the electrical heating wire 13 that is connected with automatic control component in the described adiabatic heat-insulation water tank 16.
The utility model operation principle is: in the daytime dry run, air from air blast 7 through heat exchanger 11 preheatings, through control valve 9, first airduct 8 enters V-type plate heat collector 6 bottoms, V-type plate heat collector 6 inner ventilations, V-type plate heat collector 6 air outlets are connected with hothouse air intake interface 3, air enters material in the hothouse 1 dried material frame 2, discharge from the 3rd airduct 12 at last, enter the thermal source import of heat exchanger 11, and the thermal source outlet of passing through heat exchanger 11 is discharged, be air blast 7 in the heat exchanger 11 with control valve 9 between the airduct that is connected, the hot-air of hothouse discharge is before thoroughly discharging like this, inlet air is carried out preheating, and said system has constituted the hot air drying system on daytime.
Simultaneously in the V-type plate heat collector 6 V-type plate also by day with heat through first water pipe 5, second water pipe 15, be stored in the adiabatic heat-insulation water tank 16, constitute the storage of solar energy system.
Night hot air drying system by air from air blast 7 through heat exchanger 11, humiture inductor 17 induction control control valves 9 are opened, air enters material in the hothouse 1 dried material frame 2 by coiled pipe 14 in the adiabatic heat-insulation water tank 16 through second airduct 4, hothouse air intake interface 3, discharges through heat exchanger 11 preheating inlet airs from the 3rd airduct 12 at last.Electrical heating wire 13 adds hot water in the adiabatic heat-insulation water tank 16 when bad weather, system's dry run and night hot-air drying process similar.
The control principle of its control module is: in the daytime dry run, wind enters hothouse 1 drying from V-type plate heat collector 6 bottoms after heating, the hot blast of discharging is through small-sized heat exchanger 11 preheating air intakes, when temperature is too high in the hothouse 1, control valve 9 will be opened, and water is collected heat by water pump through the V-type plate heating and is stored in the adiabatic heat-insulation water tank 16; Night, to respond to 17 hothouse internal temperatures low excessively when temperature inductor, interrupts V-type plate heat collectors 6 air inlets by control valve 9, and wind enters hothouse 1 by snakelike airduct 14 in the water tank by the water heating, is similar to the dry run on daytime afterwards; Daytime, control module drive control valve 9 was closed snakelike airduct 14 air inlets, opens V-type plate heat collector 6 air inlets, begins thermal-arrest plate hot-air drying process again when restarting, and heat storage water tank can begin heat energy storage again, went round and began again, and realized the continuous drying operation; When weather conditions are not good, can utilize the heating wire 13 in the water tank to add hot water, realize hot-air drying process by snakelike airduct 14.
Claims (10)
1, a kind of solar energy continuous heat supply type drying apparatus comprises hothouse (1), is provided with material frame (2) in the hothouse (1), and hothouse (1) has hothouse air intake interface (3); It is characterized in that: also comprise air blast (7), control valve (9), the V-type plate heat collector (6) that is obliquely installed, described V-type plate heat collector (6) is provided with adiabatic heat-insulation water tank (16);
Described air blast (7) air intake communicates with atmosphere, outlet air end is connected with the import of control valve (9), first outlet of control valve (9) is connected with V-type plate heat collector (6) air inlet, be provided with the hot-air channel (65) of conducting in the V-type plate heat collector (6), V-type plate heat collector (6) air outlet is connected with hothouse air intake interface (3);
Second outlet of described control valve (9) is connected with hothouse air intake interface (3) by snakelike airduct (14), snakelike airduct (14) is located in the adiabatic heat-insulation water tank (16), adiabatic heat-insulation water tank (16) connects the interior hot-water line (61) of V-type plate heat collector (6) successively by water pipe, and described adiabatic heat-insulation water tank (16) forms the circulation waterway passage with hot-water line (61).
2, solar energy continuous heat supply type drying apparatus according to claim 1 is characterized in that: described V-type plate heat collector (6) is to be made of some V-type thermal-arrest unit (62) that are planar alignment; The top of V-type thermal-arrest unit (62) is provided with hot-water line (61), thermal-arrest plate (6) upper surface of V-type is provided with vacuum glass layer (63), thermal-arrest plate (6) lower surface of V-type is provided with heat-insulation layer (64), and vacuum glass layer (63) and heat-insulation layer (64) are hot-air channel (65) with the last lower channel that V-type thermal-arrest unit (62) forms.
3, solar energy continuous heat supply type drying apparatus according to claim 2 is characterized in that: V-type plate heat collector (62) is 31 °～37 ° with the gradient on plane
4, solar energy continuous heat supply type drying apparatus according to claim 3 is characterized in that: the air inlet of described V-type plate heat collector (6) is provided with air cleaner.
5, solar energy continuous heat supply type drying apparatus according to claim 1, it is characterized in that: be connected with the heat exchanger (11) that inlet air is carried out preheating between described air blast (7) and the control valve (9), the thermal source import of heat exchanger (11) is connected with hothouse (1), and the thermal source outlet of heat exchanger (11) is the hothouse exhaust outlet.
6, solar energy continuous heat supply type drying apparatus according to claim 1 is characterized in that: described control valve (9) is connected with automatic control component, and described automatic control component comprises humiture inductor (17).
7, solar energy continuous heat supply type drying apparatus according to claim 6 is characterized in that: described humiture inductor (17) is located at hothouse (1).
8, solar energy continuous heat supply type drying apparatus according to claim 1 is characterized in that: be provided with the electrical heating wire (13) that is used for auxiliary heating that is connected with automatic control component in the described adiabatic heat-insulation water tank (16).
9, according to each described solar energy continuous heat supply type drying apparatus of claim 1～8, it is characterized in that: described material frame (2) is stacked setting.
10, solar energy continuous heat supply type drying apparatus according to claim 9 is characterized in that: described hothouse (1) upper end is provided with an inclined plane, and hothouse (1) is gone up and connected exhaust chimney (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920052310U CN201388509Y (en) | 2009-03-10 | 2009-03-10 | Solar energy continuous heat supply type drying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920052310U CN201388509Y (en) | 2009-03-10 | 2009-03-10 | Solar energy continuous heat supply type drying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201388509Y true CN201388509Y (en) | 2010-01-27 |
Family
ID=41595323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920052310U Expired - Lifetime CN201388509Y (en) | 2009-03-10 | 2009-03-10 | Solar energy continuous heat supply type drying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201388509Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103120327A (en) * | 2011-11-20 | 2013-05-29 | 江苏仁安高新技术有限公司 | Drying machine of marine products |
| CN105309608A (en) * | 2014-06-13 | 2016-02-10 | 蒋世芬 | Solar energy material drier |
| CN108050817A (en) * | 2018-01-12 | 2018-05-18 | 钦州学院 | A kind of Nixing pottery drying equipment |
| CN114322459A (en) * | 2021-11-22 | 2022-04-12 | 蓝山县恒华米业有限公司 | Rice drying-machine |
-
2009
- 2009-03-10 CN CN200920052310U patent/CN201388509Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103120327A (en) * | 2011-11-20 | 2013-05-29 | 江苏仁安高新技术有限公司 | Drying machine of marine products |
| CN105309608A (en) * | 2014-06-13 | 2016-02-10 | 蒋世芬 | Solar energy material drier |
| CN108050817A (en) * | 2018-01-12 | 2018-05-18 | 钦州学院 | A kind of Nixing pottery drying equipment |
| CN114322459A (en) * | 2021-11-22 | 2022-04-12 | 蓝山县恒华米业有限公司 | Rice drying-machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201355177Y (en) | Device for utilizing solar energy to dry panax pseudoginseng | |
| CN201388509Y (en) | Solar energy continuous heat supply type drying equipment | |
| CN207112996U (en) | A kind of solar energy hot blast thermodynamic heating system | |
| CN206669861U (en) | A kind of solar energy kang heating system of active-passive composite | |
| CN101520238B (en) | Storage water tank of solar water heater | |
| CN201187828Y (en) | Solar energy air heating apparatus | |
| CN101059280A (en) | Solar energy-storage hot water heat-supply system | |
| CN203893630U (en) | Solar-energy-and-heat-pump-combined moulded coal drying system | |
| CN105571193A (en) | Heat pump application and energy storage system | |
| CN200973346Y (en) | Tobacco leaf compression type bake room combined device used solar to reduce coal consumption | |
| CN101496631B (en) | Solar energy continuous heat supply type drying apparatus | |
| CN102944062B (en) | Hot air heating furnace | |
| CN104896882B (en) | A kind of combined dryer | |
| CN101731732A (en) | Solar light-electricity-heat integrated intelligent bulk curing barn | |
| CN101625161B (en) | Double heat absorption combined solar energy air heater | |
| CN104976789A (en) | Solar-driven flat spoiler type air heat collection device | |
| CN203181988U (en) | Combined type energy-saving device capable of reducing coal consumption of tobacco leaf curing through solar energy and air energy | |
| CN201251230Y (en) | Solar-energy warm-air heating device | |
| CN102177964A (en) | Greenhouse heat-storage type solar hot-wind drying device for grains | |
| CN201532087U (en) | Device using various energy dry forage grasses | |
| CN210980578U (en) | Solar edible fresh flower dryer | |
| CN105333546B (en) | A kind of refrigeration and heating system of double-layer residence | |
| CN207702948U (en) | Wheat energy-saving drying device | |
| CN202083128U (en) | Vacuum tube type solar air heating and water heating dual-purpose machine | |
| CN107883597B (en) | Movable multifunctional heat collection box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100127 Effective date of abandoning: 20090310 |