CN104848589A - Interchangeable agricultural local product heat pump drying and refrigerating device - Google Patents
Interchangeable agricultural local product heat pump drying and refrigerating device Download PDFInfo
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- CN104848589A CN104848589A CN201510199213.6A CN201510199213A CN104848589A CN 104848589 A CN104848589 A CN 104848589A CN 201510199213 A CN201510199213 A CN 201510199213A CN 104848589 A CN104848589 A CN 104848589A
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- air door
- heat exchanger
- cross valve
- air
- function room
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D13/00—Stationary devices, e.g. cold-rooms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/045—Air flow control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02742—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using two four-way valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to an interchangeable agricultural local product heat pump drying and refrigerating device. The interchangeable agricultural local product heat pump drying and refrigerating device comprises a first compressor, a first four-way valve, a first heat exchanger, a first circulating fan, a first throttling element, a second heat exchanger, a second circulating fan, a second compressor, a second four-way valve, a third heat exchanger, a third circulating fan, a second throttling element, a fourth heat exchanger, a fourth circulating fan, a first function chamber and a second function chamber. Through cooperation of the function chambers, the interchangeable agricultural local product heat pump drying and refrigerating device can achieve interchange of the drying function and the refrigerating function.
Description
Technical field
The invention belongs to heat pump drying and refrigeration field, particularly the heat pump drying of Special Agriculture Product and cold storage plant, particularly relate to a kind of interchangeable Special Agriculture Product heat pump drying and cold storage plant.
Background technology
Current heat pump dryer is widely used in the storage of Special Agriculture Product/fruits and vegetables, transport, and effect is by by Special Agriculture Product/fruit and vegetable drying, makes it while its local flavor of reservation, nutrition, makes it not easily corrupt, rotten.Special Agriculture Product not only needs to dry, also the demand of refrigeration is had, but the existing Special Agriculture Product heat pump drying of present Special Agriculture Product or cold storage plant only have heating, drying or cold storage function, and actual conditions have a lot of situation to need heating, drying and refrigeration to use simultaneously, if be equipped with heat pump drying device and heat pump cold storage plant simultaneously, not only fund input is comparatively large, and energy waste is also more.Under special circumstances, heating, drying room needs to use as freezer, and freezer needs to use as heating, drying room.
Summary of the invention
The present invention, in order to overcome above-mentioned deficiency of the prior art, provides a kind of and solves dryer function singleness and the Special Agriculture Product heat pump drying device that realization is dried and cold storage function exchanges.
The present invention is achieved in that a kind of interchangeable Special Agriculture Product heat pump drying and cold storage plant, and it comprises the first compressor, the first cross valve, First Heat Exchanger, the first circulating fan, first throttle element, the second heat exchanger, the second circulating fan, the second compressor, the second cross valve, the 3rd heat exchanger, three-circulation wind machine, second section fluid element, the 4th heat exchanger, the 4th circulating fan, the first function room and the second function room;
Described first compressor, the first cross valve, first throttle element are positioned at the first heat pump main frame; Described second compressor, the second cross valve, second section fluid element are positioned at the second heat pump main frame; Described First Heat Exchanger and the 3rd heat exchanger are positioned at the first function room; Described second heat exchanger and the 4th heat exchanger are positioned at the second function room;
Described cross valve comprises cross valve D entrance, cross valve C mouth, cross valve E mouth and cross valve S and exports;
Described first exhaust outlet of compressor is connected with the first cross valve entrance D, the C mouth of the first cross valve is connected with First Heat Exchanger entrance, First Heat Exchanger outlet is connected with first throttle element inlet, first throttle component outlet is connected with the second heat exchanger import, second heat exchanger exit is connected with the E mouth of the first cross valve, and the S mouth of the first cross valve is connected with the first compressor return air mouth.Second exhaust outlet of compressor is connected with the second cross valve entrance D, the C mouth of the second cross valve is connected with the 3rd heat exchanger entrance, 3rd heat exchanger exit is connected with second choke entrance, second choke outlet is connected with the 4th heat exchanger import, 4th heat exchanger exit is connected with the E mouth of the second cross valve, and the S mouth of the second cross valve is connected with the second compressor return air mouth.
This heat pump drying and cold storage plant comprise reservoir, gas-liquid separator, oil eliminator, drier, liquid-sighting glass, check valve, magnetic valve, dual-pressure controller, high Low Pressure gauge and stop valve.
Described First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger, the 4th heat exchanger are fin-tube heat exchanger.
Be provided with A air door, B air door, C air door, D air door and E air door five kinds of air doors in described first function room and the second function room, wherein A air door is arranged on circulating fan top; B air door and D air door are air-out and the return air channel in function room, and B air door is arranged on the air outlet on described circulating fan top, and D air door is arranged on the return air inlet of described heat exchanger bottom; C air door is new wind air door, and be arranged in the heat exchanger lower walls in function room, E air door is hydrofuge air door, is arranged on the inner side wall in function room.
First throttle element and second section fluid element are heating power expansion valve or electric expansion valve.
Five kinds of air doors in two function rooms are the air door of adjustable-angle.
The present invention has following good effect: two function rooms are equipped with heat pump host groups separately, every platform equipment all can realize heating, drying and cold storage function simultaneously, also can realize drying separately or separate cold storage function, and heating, drying and refrigeration can be exchanged between two function rooms, make function room both can work as baking room also can use as freezer, improve capacity utilization, reduce investment, and this technical energy saving environmental protection; Two function rooms can isolated operation separately, is independent of each other, can mutually supplements or strengthen again, meet and in particular cases use.The operational mode in two function rooms and function are very flexible.
Accompanying drawing explanation
Fig. 1 is the structural representation of the interchangeable Special Agriculture Product heat pump drying of the present invention and cold storage plant.
Fig. 2 is the first function room structural representation in the present invention.
Fig. 3 is the second function room structural representation in the present invention.
Be labeled as in figure: 1, the first compressor; 2, the first cross valve; 3, the first circulating fan; 4, three-circulation wind machine; 5, First Heat Exchanger; 6, the 3rd heat exchanger; 7, the second cross valve; 8, the second compressor; 9, second section fluid element; 10, the 4th circulating fan; 11 the 4th heat exchangers; 12, first throttle element; 13, the second circulating fan; 14, the second heat exchanger; 15, A1 air door; 16, A3 air door; 17, B1 air door; 18, B3 air door; 19:C1 air door; 20:C3 air door; 21:D1 air door; 22:D3 air door; 23:A2 air door; 24:A4 air door; 25:B2 air door; 26:B4 air door; 27:C2 air door; 28:C4 air door; 29:D2 air door; 30:D4 air door.
Specific embodiment
A kind of interchangeable Special Agriculture Product heat pump drying and cold storage plant, as shown in Figure 1, it comprises the first compressor 1, first cross valve 2, First Heat Exchanger 5, first circulating fan 3, first throttle element 12, second heat exchanger 14, second circulating fan 13, second compressor 8, second cross valve 7, the 3rd heat exchanger 6, three-circulation wind machine 4, second section fluid element 9, the 4th heat exchanger 11, the 4th circulating fan 10, first function room and the second function room; Described first compressor, the first cross valve, first throttle element are positioned at the first heat pump main frame; Described second compressor, the second cross valve, second section fluid element are positioned at the second heat pump main frame; Described First Heat Exchanger and the 3rd heat exchanger are positioned at the first function room; Described second heat exchanger and the 4th heat exchanger are positioned at the second function room.
Described cross valve comprises cross valve D entrance, cross valve C mouth, cross valve E mouth and cross valve S and exports;
First exhaust outlet of compressor is connected with the first cross valve entrance D, the C mouth of the first cross valve is connected with First Heat Exchanger entrance, First Heat Exchanger outlet is connected with first throttle element inlet, first throttle component outlet is connected with the second heat exchanger import, second heat exchanger exit is connected with the E mouth of the first cross valve, and the S mouth of the first cross valve is connected with the first compressor return air mouth.Second exhaust outlet of compressor is connected with the second cross valve entrance D, the C mouth of the second cross valve is connected with the 3rd heat exchanger entrance, 3rd heat exchanger exit is connected with second section fluid element entrance, the outlet of second section fluid element is connected with the 4th heat exchanger import, 4th heat exchanger exit is connected with the E mouth of the second cross valve, and the S outlet of the second cross valve is connected with the second compressor return air mouth.
First Heat Exchanger and the 3rd heat exchanger are arranged in the first function room, and the second heat exchanger and the 4th heat exchanger are arranged in the second function room, open between each heat exchanger with baffle for separating, realize heat exchanger and respective circulating fan carries out heat exchange, separate.Function room oven dry/cool storage area is not split, as a whole.
Be provided with A air door, B air door, C air door, D air door and E air door five kinds of air doors in described first function room and the second function room, wherein A air door is arranged on circulating fan top; B air door and D air door are air-out and the return air channel in function room, and B air door is arranged on the air outlet on described circulating fan top, and D blower fan is arranged on the return air inlet of described heat exchanger bottom; C air door is new wind air door, and be arranged in the heat exchanger lower walls in function room, E air door is hydrofuge air door, is arranged on the inner side wall in function room.
Damper positions function in first function room: B1 air door 17 and B3 air door 18 are function room Inner eycle air outlet; D1 air door 21 and D3 air door 22 are function room Inner eycle return air inlet; A1 air door 15 and A3 air door 16 are function room air outlet outwardly; C1 air door 19 and C3 air door 20 are function room and extraneous air inlet.
Damper positions function in second function room: B2 air door 25 and B4 air door 26 are function room Inner eycle air outlet; D2 air door 29 and D4 air door 30 are function room Inner eycle return air inlet; A2 air door 23 and A4 air door 24 are function room air outlet outwardly; C2 air door 27 and C4 air door 28 are function room and extraneous air inlet.
As required the heat pump elements such as check valve, stop valve, magnetic valve, liquid-sighting glass, device for drying and filtering, high-low pressure protector (dual-pressure controller), high Low Pressure gauge are set in corresponding pipeline.
First function room carries out heating, drying, and the second function room also carries out heating, drying; Now first, second heat pump main frame all needs to start, two cross valves energising no power, example first cross valve no power, the second cross valve energising: the first cross valve no power, and D and the C of the first cross valve connects, and E and S connects; Second cross valve energising, D and the E of the second cross valve connects, and C and S connects; The A1 air door in the first function room, C1 air door, B3 air door, D3 air door are closed, and B1 air door, D1 air door, A3 air door, C3 air door are opened; The A2 air door in the second function room, C2 air door, B4 air door, D4 air door are opened, and B2 air door, D2 air door, A4 air door, C4 air door are closed.Now the first and second function rooms all carry out heating, drying.
First function room carries out heating, drying, and the second function room refrigerates; Now, only need start a heat pump main frame, example only starts the first heat pump main frame, the first cross valve no power, and D and the C of the first cross valve connects, and E and S connects; The air door A1 air door in the first function room, C1 air door, A3 air door, C3 air door, B3 air door, D3 air door are closed, and B1 air door, D1 air door are opened; The A2 air door in the second function room, C2 air door, A4 air door, C4 air door, B4 air door, D4 air door are closed, and B2 air door, D2 air door are opened.If in shortage of heat or the second function room, cold is not enough in the first function room, can start another heat pump main frame, cross valve no power, air door regulates and controls as required.
First function room refrigerates, and the second function room carries out heating, drying; Now, only need start a heat pump main frame, example only starts the first heat pump main frame, the first cross valve energising, and D and the E of the first cross valve connects, and C and S connects; The A1 air door in the first function room, C1 air door, A3 air door, C3 air door, B3 air door, D3 air door are closed, and B1 air door, D1 air door are opened; The A2 air door in the second function room, C2 air door, A4 air door, C4 air door, B4 air door, D4 air door are closed, and air door B2 air door, D2 air door are opened.If shortage of heat in not enough or the second function room of cold in the first function room, can start the second heat pump main frame, cross valve is energized, and air door regulates and controls as required.
First function room refrigerates, and the second function room also refrigerates; Now first, second heat pump main frame all needs to start, two cross valves energising no power, and example first cross valve is energized, the second cross valve no power: the first cross valve energising, and D and the E of the first cross valve connects, and C and S connects; Second cross valve no power, D and the C of the second cross valve connects, and E and S connects; The A1 air door in the first function room, C1 air door, B3 air door, D3 air door are closed, and B1 air door, D1 air door, A3 air door, C3 air door are opened; The A2 air door in the second function room, C2 air door, B4 air door, D4 air door are opened, and B2 air door, D2 air door, A4 air door, C4 air door are closed.Now first, second function room all refrigerates.
First function room carries out heating, drying, and the second function room does not use; Now only need start a heat pump main frame, cross valve no power.Example first heat pump starts, cross valve no power, and the A1 air door in the first function room, C1 air door, A3 air door, C3 air door, B3 air door, D3 air door are closed, and air door B1 air door, D1 air door are opened; The B2 air door in the second function room, D2 air door, A4 air door, C4 air door, B4 air door, D4 air door are closed, and A2 air door, C2 air door are opened.If shortage of heat in the first function room, can start another heat pump main frame, cross valve no power, air door regulates and controls as required.
First function room refrigerates, and the second function room does not use; Now only need start a heat pump main frame, cross valve is energized.Example first heat pump starts, and cross valve is energized, and the A1 air door in the first function room, C1 air door, A3 air door, C3 air door, B3 air door, D3 air door are closed, and B1 air door, D1 air door are opened; The B2 air door in the second function room, D2 air door, A4 air door, C4 air door, B4 air door, D4 air door are closed, and A2 air door, C2 air door are opened.If cold is not enough in the first function room, can start another heat pump main frame, cross valve is energized, and air door regulates and controls as required.
Second function room carries out heating, drying, and the first function room does not use; Now only need start a heat pump main frame, cross valve is energized.Example first heat pump starts, and cross valve is energized, and the B1 air door in the first function room, D1 air door, A3 air door, C3 air door, B3 air door, D3 air door are closed, and A1 air door, C1 air door are opened; The A2 air door in the second function room, C2 air door, A4 air door, C4 air door, B4 air door, D4 air door are closed, and B2 air door, D2 air door are opened.If shortage of heat in the second function room, can start another heat pump main frame, cross valve is energized, and air door regulates and controls as required.
Second function room refrigerates, and the first function room does not use; Now only need start a heat pump main frame, cross valve no power.Example first heat pump starts, cross valve no power, and the B1 air door in the first function room, D1 air door, A3 air door, C3 air door, B3 air door, D3 air door are closed, and A1 air door, C1 air door are opened; The A2 air door in the second function room, C2 air door, A4 air door, C4 air door, B4 air door, D4 air door are closed, and B2 air door, D2 air door are opened.If shortage of heat in the second function room, can start another heat pump main frame, cross valve no power, air door regulates and controls as required.
This invention adopts two cover heat pumps, is commutated, and arranges multiple air door, can meet multiple heating, drying and cold storage function by four-way change-over valve.Carry out drying or cold storage function time, hydrofuge air door E carries out opening, closing or open certain angle as required.
Claims (6)
1. interchangeable Special Agriculture Product heat pump drying and a cold storage plant, is characterized in that: it comprises the first compressor, the first cross valve, First Heat Exchanger, the first circulating fan, first throttle element, the second heat exchanger, the second circulating fan, the second compressor, the second cross valve, the 3rd heat exchanger, three-circulation wind machine, second section fluid element, the 4th heat exchanger, the 4th circulating fan, the first function room and the second function room;
Described first compressor, the first cross valve, first throttle element are positioned at the first heat pump main frame; Described second compressor, the second cross valve, second section fluid element are positioned at the second heat pump main frame; Described First Heat Exchanger and the 3rd heat exchanger are positioned at the first function room; Described second heat exchanger and the 4th heat exchanger are positioned at the second function room;
Described cross valve comprises cross valve D entrance, cross valve C mouth, cross valve E mouth and cross valve S and exports;
Described first exhaust outlet of compressor is connected with the first cross valve entrance D; the C mouth of the first cross valve is connected with First Heat Exchanger entrance; First Heat Exchanger outlet is connected with first throttle element inlet; first throttle component outlet is connected with the second heat exchanger import; second heat exchanger exit is connected with the E mouth of the first cross valve, and the S mouth of the first cross valve is connected with the first compressor return air mouth; Second exhaust outlet of compressor is connected with the second cross valve entrance D, the C mouth of the second cross valve is connected with the 3rd heat exchanger entrance, 3rd heat exchanger exit is connected with second choke entrance, second choke outlet is connected with the 4th heat exchanger import, 4th heat exchanger exit is connected with the E mouth of the second cross valve, and the S mouth of the second cross valve is connected with the second compressor return air mouth.
2. a kind of interchangeable Special Agriculture Product heat pump drying as claimed in claim 1 and cold storage plant, is characterized in that: this heat pump drying and cold storage plant comprise reservoir, gas-liquid separator, oil eliminator, drier, liquid-sighting glass, check valve, magnetic valve, dual-pressure controller, high Low Pressure gauge and stop valve.
3. a kind of interchangeable Special Agriculture Product heat pump drying as claimed in claim 1 and cold storage plant, is characterized in that: described First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger, the 4th heat exchanger are fin-tube heat exchanger.
4. a kind of interchangeable Special Agriculture Product heat pump drying as claimed in claim 1 and cold storage plant, it is characterized in that: be provided with A air door, B air door, C air door, D air door and E air door five kinds of air doors in described first function room and the second function room, wherein A air door is arranged on circulating fan top; B air door and D air door are air-out and the return air channel in function room, and B air door is arranged on the air outlet on described circulating fan top, and D blower fan is arranged on the return air inlet of described heat exchanger bottom; C air door is new wind air door, and be arranged in the heat exchanger lower walls in function room, E air door is hydrofuge air door, is arranged on the inner side wall in function room.
5. a kind of interchangeable Special Agriculture Product heat pump drying as claimed in claim 1 and cold storage plant, is characterized in that: first throttle element and second section fluid element are heating power expansion valve or electric expansion valve.
6. a kind of interchangeable Special Agriculture Product heat pump drying as claimed in claim 4 and cold storage plant, is characterized in that: five kinds of air doors in two function rooms are the air door of adjustable-angle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510199213.6A CN104848589B (en) | 2015-04-24 | 2015-04-24 | A kind of interchangeable Special Agriculture Product heat pump drying and cold storage plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510199213.6A CN104848589B (en) | 2015-04-24 | 2015-04-24 | A kind of interchangeable Special Agriculture Product heat pump drying and cold storage plant |
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| CN104848589A true CN104848589A (en) | 2015-08-19 |
| CN104848589B CN104848589B (en) | 2017-03-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180512A (en) * | 2015-10-12 | 2015-12-23 | 新疆农业科学院农产品贮藏加工研究所 | Baking and cold storage integrated system device for fruit and vegetable drying and application |
| CN105444453A (en) * | 2015-12-18 | 2016-03-30 | 珠海格力电器股份有限公司 | Double-temperature refrigerating and heating system |
| CN106440513A (en) * | 2016-10-27 | 2017-02-22 | 青岛海信日立空调***有限公司 | Multi-connected heat pump system and control method thereof |
| CN108800772A (en) * | 2018-07-06 | 2018-11-13 | 中山市碧朗节能设备有限公司 | A kind of cold and hot double-purpose baking room |
| CN108826799A (en) * | 2018-07-24 | 2018-11-16 | 广州市热道节能科技有限公司 | A kind of interactive heat pump drying and dehumidification system of heat source each other |
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| KR20120096916A (en) * | 2012-08-13 | 2012-08-31 | 유경윤 | Heatpump type dehumidifier system |
| CN103851883A (en) * | 2012-11-28 | 2014-06-11 | 陕西科林能源发展股份有限公司 | Agricultural product drying system utilizing air source heat pump |
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| CN105444453A (en) * | 2015-12-18 | 2016-03-30 | 珠海格力电器股份有限公司 | Double-temperature refrigerating and heating system |
| CN106440513A (en) * | 2016-10-27 | 2017-02-22 | 青岛海信日立空调***有限公司 | Multi-connected heat pump system and control method thereof |
| CN108800772A (en) * | 2018-07-06 | 2018-11-13 | 中山市碧朗节能设备有限公司 | A kind of cold and hot double-purpose baking room |
| CN108826799A (en) * | 2018-07-24 | 2018-11-16 | 广州市热道节能科技有限公司 | A kind of interactive heat pump drying and dehumidification system of heat source each other |
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