CN110388815A - The multi-air condition system and its working method dry for grain depot - Google Patents
The multi-air condition system and its working method dry for grain depot Download PDFInfo
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- CN110388815A CN110388815A CN201910745622.XA CN201910745622A CN110388815A CN 110388815 A CN110388815 A CN 110388815A CN 201910745622 A CN201910745622 A CN 201910745622A CN 110388815 A CN110388815 A CN 110388815A
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- wind
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- heat pump
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/08—Drying; Subsequent reconstitution
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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
- 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
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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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
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
- F26B21/083—Humidity by using sorbent or hygroscopic materials, e.g. chemical substances, molecular sieves
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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
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
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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
- Y02A40/90—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
- 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
Abstract
The present invention relates to silo air-conditioning system, the multi-air condition system and its working method dry for grain depot are particularly related to.Including solar energy air heat collector, Two-stage Heat Pump System, dehumidification system for runner and refrigeration system；Two-stage Heat Pump System includes level-one heat pump system and second level heat pump system；Dehumidification system for runner includes air-treatment circulation mechanism and regeneration wind circulation mechanism.The present invention produces dry air by the method that solar energy double stage heat pump rotary wheel dehumidifying combines, the fresh air of system is preheated by solar energy air heat collector, heat pump Multi-stage heating realizes the temperature requirement of regeneration wind to greatest extent, and the regeneration wind energy-saving effect compared to electric heating processing is significant.
Description
Technical field
The present invention relates to silo air-conditioning system field, the multi-air condition system and its work dry for grain depot are particularly related to
Make method.
Background technique
In recent years, with a series of implementation of Huinong's policies of country, the area for promoting grain large-scale planting, concentrator to receive
More and more, peasant sells the wheat newly harvested without drying, and grain depot is increasingly difficult to the quality control of stored grain,
The phenomenon that this results in high moisture grain directly to put in storage.For China's most area grain depot, conveying grain into storehouse storage
During depositing, grain face temperatures above is influenced in 6,7,8, September part silo space by wall and silo roof illumination heat radiation, empty in storehouse
Between temperature can continue increase, cause grain occur keeping difficulty it is big, easily mildew the problems such as, seriously affect grain quality.
Major part grain depot is all using civil air conditioner to the above air cooling-down of grain face at present, but by civil air conditioner
Design, manufacture characteristic be easy to cause phosphine gas to the heavy corrosion of A/C evaporator and circuit part, enter and leave grain Shi Fenchen
The factors such as dehydration, high, the maintenance inconvenience of energy consumption cause service life very short when contamination and plugging heat exchanger and filter screen, strainer, grain
Phenomenon.
And existing air-conditioning is placed directly into silo, and directly operation after temperature, Bu Nengyou are then set
Effect carries out zonal control to silo according to factors such as temperature, humidity in silo, it is also necessary to control respectively to each air-conditioning
System, inconvenient for use, it is bad that grain stores effect.In order to guarantee the safe storage of grain, it is necessary to be carried out to it at appropriate drying
Reason, and existing drying means such as carry out drying using dryer and need to consume a large amount of fossil energy, at high cost, and natural
Aeration-drying, time-consuming, big by external environment inside even from weather.Condensation method removal moisture drying technology, although being also able to satisfy grain
It is dry require, but equipment operating cost is higher, the low efficiency in high humidity, Wind Volume, and inconvenience etc. is drained in operation and is asked
Topic.
Summary of the invention
The present invention proposes a kind of multi-air condition system and its working method for grain depot drying, solves and utilizes the sun
The technical issues of energy double stage heat pump runner system rapid draing high-moisture silo.
The technical scheme of the present invention is realized as follows:
The multi-air condition system dry for grain depot, including solar energy air heat collector, Two-stage Heat Pump System, rotary wheel dehumidifying system
System and refrigeration system；Two-stage Heat Pump System includes level-one heat pump system and second level heat pump system, and wherein level-one heat pump system includes
Compressor I, air-cooled condenser I, expansion valve I and wind-cooled evaporator I, second level heat pump system include compressor II, air-cooled condenser
II, expansion valve II and wind-cooled evaporator II；Dehumidification system for runner includes air-treatment circulation mechanism and regeneration wind circulation mechanism, sky
Gas disposal circulation mechanism includes wind-cooled evaporator III, level-one rotary dehumidifier, wind-cooled evaporator IV and electric heater I, regenerates wind
Circulation includes solar energy air heat collector, air-cooled condenser I, wind-cooled evaporator II, electric heater II and level-one rotary dehumidifier,
Refrigeration system includes compressor III, air-cooled condenser III, liquid storage device, expansion valve III, expansion valve IV, wind-cooled evaporator III and air-cooled
Evaporator IV.
The outlet of the solar energy air heat collector divides two-way, mixed all the way with the hot wind after the heating of air-cooled condenser III,
Another way is for regenerating wind preheating.
In the Two-stage Heat Pump System, the outlet of compressor I is connected with air-cooled condenser I, is air-cooled cold in level-one heat pump system
The expanded valve I of condenser I is connected with wind-cooled evaporator I, and wind-cooled evaporator I is connected with compressor I, compressor in second level heat pump system
II outlet is connected with air-cooled condenser II, the expanded valve II of air-cooled condenser II is connected with wind-cooled evaporator II, wind-cooled evaporator
II is connected with compressor II, and wind-cooled evaporator I, wind-cooled evaporator II and air-cooled condenser III are set to same plane, apoplexy
Cold evaporator II is set to the front side of wind-cooled evaporator I.
The dehumidification system for runner air-treatment circulation in, wind-cooled evaporator III, level-one rotary dehumidifier dehumidifying section,
Wind-cooled evaporator IV and electric heater I, it is adjacent to set gradually, and be set to same level, it is adjacent between have thermal insulation air channel connection；
It regenerates in wind circulation, solar energy air heat collector, air-cooled condenser I, wind-cooled evaporator II, electric heater II and level-one runner remove
The exhausting section of wet device is adjacent to be set gradually, and is set to same level；Wherein level-one rotary dehumidifier is rotary dehumidifier, described
Each equipment in regeneration wind circulation, air-treatment circulation is connected by thermal insulation air channel, and each thermal insulation air channel port is driven by blower
Air-supply.
In the refrigeration system, the outlet of compressor III is connected with air-cooled condenser III, and the outlet of air-cooled condenser III connects
Liquid storage device is connect, two-way is divided after liquid storage device, enters wind-cooled evaporator III by expansion valve III all the way, another way passes through expansion valve IV
Into wind-cooled evaporator IV, wind-cooled evaporator III returns to the import of compressor III after merging with the outlet of wind-cooled evaporator IV.
The working method of the multi-air condition system dry for grain depot, the Two-stage Heat Pump System is in refrigeration system
The hot wind waste heat that air-cooled condenser III mixes after heating with after solar energy air heat collector heats, hot wind first pass through air-cooled evaporation
Device II passes through wind-cooled evaporator I again after cooling；In air-treatment circulation, pass through air-cooled evaporation after fresh air and indoor return air mixing
The cooling of device III and auxiliary dehumidifying, dehumidify subsequently into level-one rotary dehumidifier, enter back into the cooling of wind-cooled evaporator IV, finally
It is handled by electric heater I and arrives corresponding temperature；It regenerating in wind circulation, fresh air is preheated by solar energy air heat collector,
It sequentially enters air-cooled condenser I and wind cooling condenser II carries out multi-stage heat pump heating, into after the processing to required temperature of electric heating II
Into level-one rotary dehumidifier, out after enter wind-cooled evaporator IV be heated to treatment temperature, into level-one rotary dehumidifier, most
After be discharged into atmosphere.
Heretofore described heat pump system working principle is as follows:
Cooling cycle system working principle is as follows: the compressed high temperature and high pressure gas of compressor III enters the condensation of air-cooled condenser III
The liquid for becoming high temperature and pressure after heat release, subsequently into liquid storage device, the refrigerant that liquid storage device comes out divides two-way, all the way expanded valve
III enters wind-cooled evaporator III, absorbs the preliminary dehumidifying of heat auxiliary from processing wind；The expanded valve IV of another way enters wind
Cold evaporator IV absorbs the heat of the wind after level-one runner.
Two-stage Heat Pump System working principle is as follows: double stage heat pump is made of two vapor-compression cycles, and the first order is normal
Pump circulation is warmed, the second level is that high temperature heat pump recycles, by the principle of Carnot cycle, air-cooled condenser III in absorbent refrigeration system
After heating and solar energy air heat collector preheating after mixing wind amount of heat and be pumped into regeneration air circulating system in, high temperature
The wind-cooled evaporator II of grade heat pump guarantees that second level high temperature heat pump is able to maintain higher condensation temperature, to greatest extent in front side
The heating temperature for improving regeneration wind is heated using the principle of second level heat pump using heat pump step, the heating that system can be made stable
And operation.
Dehumidification system for runner includes that air-treatment circulation and regeneration wind recycle, and in the air-treatment circulation, fresh air passes through
The cooling of wind-cooled evaporator I and auxiliary dehumidifying, dehumidify subsequently into runner, enter back into the cooling of wind-cooled evaporator II, most pass through afterwards
Electric heater processing is crossed to corresponding temperature.In the regeneration wind processing cycle, fresh air is heated up by solar energy air heat collector
Afterwards, step heating is carried out into air-cooled condenser I, air-cooled condenser II, required temperature is heated to by electric heater I afterwards, then
Into level-one rotary dehumidifier, it is finally discharged into atmosphere.
The invention has the following advantages:
1, the present invention produces dry air by the method that solar energy double stage heat pump rotary wheel dehumidifying combines, and realizes high moisture grain
Drying generator, regeneration wind a part preheated by solar energy air heat collector, waste-heat of refrigerating system and solar air
Heat collector heat source mixes the heating temperature that heat pump can be effectively improved as the heat source of heat pump system evaporator.And use two
Grade heat pump is heated, and improves the heating temperature of regeneration wind, energy saving of system significant effect to greatest extent.Compare sensible heat exchanger
System, it is obvious using the solar energy air heat collector initiative and advantages of the localities biggish for intensity of sunshine, heat is heated when intensity of sunshine is higher
The efficiency of wind is higher, and the energy-saving effect of system is higher, and is although not affected by the weather using the system of sensible heat exchanger, still
Heat exchange efficiency is relatively low, and waste heat recovery efficiency is not high, and energy-saving effect is less obvious.
2, the fresh air of present system is realized to greatest extent by solar energy air heat collector preheating, heat pump Multi-stage heating
The temperature requirement for regenerating wind, the regeneration wind energy-saving effect compared to electric heating processing is significant, obtains in conjunction with rotary wheel dehumidifying method
Low temperature or high temperature dry air, relative air humidity can drop relatively low, therefore under equal conditions, the drying efficiency of grain and
Fresh-keeping rate is higher.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the solution combined formula system for drying grain during procedure of storing grain of heat pump of the present invention.
In figure, 1 level-one rotary dehumidifier, 2 electric heaters II, 3 compressors II, 4 air-cooled condensers II, 5 expansion valves II, 6
Compressor I, 7 air-cooled condensers I, 8 expansion valves I, 9 solar energy air heat collectors, 10 air-cooled condensers III, 11 compressors III, 12
For liquid storage device, 13 wind-cooled evaporators II, 14 wind-cooled evaporators I, 15 expansion valves III, 16 expansion valves IV, 18 be solenoid valve, and 17 is air-cooled
Evaporator III, 19 wind-cooled evaporators IV, 20 electric heaters I.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention,
Those of ordinary skill in the art's every other embodiment obtained under that premise of not paying creative labor, belongs to this hair
The range of bright protection.
The multi-air condition system dry for grain depot of the present embodiment as shown in Figure 1, including solar energy air heat collector
9, Two-stage Heat Pump System, dehumidification system for runner and refrigeration system；Two-stage Heat Pump System includes level-one heat pump system and second level heat pump
System, wherein level-one heat pump system includes compressor I 6, air-cooled condenser I 7, expansion valve I 8 and wind-cooled evaporator I 14, second level heat
Pumping system includes compressor II 3, air-cooled condenser II 4, expansion valve II 5 and wind-cooled evaporator II 13；Dehumidification system for runner includes
Air-treatment circulation mechanism and regeneration wind circulation mechanism, air-treatment circulation mechanism includes wind-cooled evaporator III 17, level-one runner
Dehumidifier 1, wind-cooled evaporator IV 19 and electric heater I 20, regeneration wind circulation includes solar energy air heat collector 9, air-cooled condensation
Device I 7, wind-cooled evaporator II 4, electric heater II 2 and level-one rotary dehumidifier 1 exhausting section, refrigeration system includes compressor III
11, air-cooled condenser III 10, liquid storage device 12, expansion valve III 15, expansion valve IV 16, wind-cooled evaporator III 17 and wind-cooled evaporator IV
19。
The outlet of the solar energy air heat collector 9 divides two-way, and the hot wind after heating all the way with air-cooled condenser III 10 is mixed
It closes, another way is for regenerating wind preheating.
In the Two-stage Heat Pump System, the outlet of compressor I 6 is connected with air-cooled condenser I 7, is air-cooled in level-one heat pump system
The expanded valve I 8 of condenser I 7 is connected with wind-cooled evaporator I 14, and wind-cooled evaporator I 7 is connected with compressor I 6, second level heat pump system
The outlet of middle compressor II 3 is connected with air-cooled condenser II 4, the expanded valve II 5 of air-cooled condenser II 4 and II 13 phase of wind-cooled evaporator
Even, wind-cooled evaporator II 13 is connected with compressor II 3, wind-cooled evaporator I 14, wind-cooled evaporator II 13 and air-cooled condenser III 10
It is set to same plane, wherein wind-cooled evaporator II 13 is set to the front side of wind-cooled evaporator I 14.
In the air-treatment circulation of the dehumidification system for runner, the dehumidifying of wind-cooled evaporator III 17, level-one rotary dehumidifier 1
Section, wind-cooled evaporator IV 19 and electric heater I 20, it is adjacent to set gradually, and be set to same level, it is adjacent between have heat preservation wind
Road connection；It regenerates in wind circulation, solar energy air heat collector 9, air-cooled condenser I 7, wind-cooled evaporator II 4, electric heater II 2
It is adjacent with the exhausting section of level-one rotary dehumidifier 1 to set gradually, and it is set to same level；At the regeneration wind circulation, air
Each equipment in reason circulation is connected by thermal insulation air channel, and each thermal insulation air channel port is driven by blower and blown.
In the refrigeration system, the outlet of compressor III 11 is connected with air-cooled condenser III 10, air-cooled condenser III 10
Outlet connection liquid storage device 12, divides two-way after liquid storage device 12, enters wind-cooled evaporator III 17 by expansion valve III 15 all the way, another
Road enters wind-cooled evaporator IV 19 by expansion valve IV 16, after wind-cooled evaporator III 17 merges with the outlet of wind-cooled evaporator IV 16
Return to the import of compressor III 11.
The working method of the multi-air condition system dry for grain depot, the Two-stage Heat Pump System is in refrigeration system
The hot wind waste heat that air-cooled condenser III 10 mixes after heating with after the heating of solar energy air heat collector 9, hot wind first passes through air-cooled
Evaporator II 13 passes through wind-cooled evaporator I 14 again after cooling；In air-treatment circulation, pass through after fresh air and indoor return air mixing
The cooling of wind-cooled evaporator III 17 and auxiliary dehumidifying, dehumidify subsequently into the dehumidifying section of level-one rotary dehumidifier 1, enter back into wind
Cold evaporator IV 19 cools down, and finally arrives corresponding temperature by the processing of electric heater I 20；It regenerates in wind circulation, fresh air is by too
Positive energy air collector 9 is preheated, and sequentially enters air-cooled condenser I 7 and wind cooling condenser II 4 carries out multi-stage heat pump heating, into
Enter the processing of electric heating II 2 to the exhausting section for entering level-one rotary dehumidifier 1 after required temperature, out after enter wind-cooled evaporator IV
19 are heated to treatment temperature, into level-one rotary dehumidifier 1, are finally discharged into atmosphere.
The specific embodiment of refrigeration system: cold air distribution mode, the compressed high temperature and high pressure gas of compressor III 11 into
Enter after air-cooled condenser III 10 condenses heat release and becomes the liquid of high temperature and pressure, the system come out subsequently into liquid storage device 12, liquid storage device
Cryogen divides two-way to enter level-one evaporator wind-cooled evaporator III 17 after reducing pressure by regulating flow all the way.Another way passes through 16 section of expansion valve
Enter secondary evaporimeter wind-cooled evaporator IV 19 after stream cooling, the heat transfer of condenser III 10 to after fresh air with solar energy heating
Device heats the mixing of rear portion hot wind and is sent into heat pump circulating system.High temperature air supply mode, the compressed high temperature and pressure of compressor 11
Gas, which enters after condenser III 10 condenses heat release, becomes the liquid of high temperature and pressure, and subsequently into liquid storage device 12, liquid storage device 12 is come out
Refrigerant all the way after reducing pressure by regulating flow enter wind-cooled evaporator III 17.Another way closes solenoid valve 18, not recirculation.
Silo Cryogenic air handle specific embodiment: fresh air by blower driving, first pass through wind-cooled evaporator III 17 into
Row cooling auxiliary dehumidifying, dehumidify subsequently into level-one rotary dehumidifier 1, out after enter secondary evaporimeter wind-cooled evaporator
IV 19 carry out cooling processing to 20 DEG C or so of dry air, and during which opens solenoid valve 18, close electric heater I 20,
Silo high-temperature process air-treatment specific embodiment: fresh air first passes through the air-cooled evaporation of level-one evaporator by blower driving
Device III 17 carries out cooling auxiliary dehumidifying, further dehumidifies subsequently into the dehumidifying section of level-one rotary dehumidifier 1, finally passes through electric heating
Device I 20 is heated to 45 DEG C or so of high temperature dry air, during which closes solenoid valve 18, closes secondary evaporimeter.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. the multi-air condition system dry for grain depot, it is characterised in that: including solar energy air heat collector 9, double stage heat pump
System, dehumidification system for runner and refrigeration system；Two-stage Heat Pump System includes level-one heat pump system and second level heat pump system, wherein one
Grade heat pump system includes compressor I (6), air-cooled condenser I (7), expansion valve I (8) and wind-cooled evaporator I (14), second level heat pump
System includes compressor II (3), air-cooled condenser II (4), expansion valve II (5) and wind-cooled evaporator II (13)；Rotary wheel dehumidifying system
System include air-treatment circulation mechanism and regeneration wind circulation mechanism, air-treatment circulation mechanism include wind-cooled evaporator III (17),
Level-one rotary dehumidifier (1), wind-cooled evaporator IV (19) and electric heater I (20), regeneration wind circulation includes solar air collection
Hot device (9), air-cooled condenser I (7), wind-cooled evaporator II (4), electric heater II (2) and level-one rotary dehumidifier (1), refrigeration
System includes compressor III (11), air-cooled condenser III (10), liquid storage device (12), expansion valve III (15), expansion valve IV (16), wind
Cold evaporator III (17) and wind-cooled evaporator IV (19).
2. the multi-air condition system dry for grain depot according to claim 1, it is characterised in that: the solar energy is empty
The outlet of gas heat collector (9) divides two-way, mixes all the way with the hot wind after air-cooled condenser III (10) heating, another way is for regenerating
Wind preheating.
3. the multi-air condition system dry for grain depot according to claim 2, it is characterised in that: the double stage heat pump
In system, in level-one heat pump system compressor I (6) outlet be connected with air-cooled condenser I (7), air-cooled condenser I (7) it is expanded
Valve I (8) is connected with wind-cooled evaporator I (14), and wind-cooled evaporator I (7) is connected with compressor I (6), compresses in second level heat pump system
Machine II (3) outlet is connected with air-cooled condenser II (4), the expanded valve II (5) of air-cooled condenser II (4) and wind-cooled evaporator II
(13) be connected, wind-cooled evaporator II (13) is connected with compressor II (3), wind-cooled evaporator I (14), wind-cooled evaporator II (13) and
Air-cooled condenser III (10) is set to same plane, before wherein wind-cooled evaporator II (13) is set to wind-cooled evaporator I (14)
Side.
4. the multi-air condition system dry for grain depot according to claim 3, it is characterised in that: the rotary wheel dehumidifying
In the air-treatment circulation of system, wind-cooled evaporator III (17), level-one rotary dehumidifier (1), wind-cooled evaporator IV (19) and electricity
Heater I (20), it is adjacent to set gradually, and be set to same level, it is adjacent between have thermal insulation air channel connection；Regenerate wind circulation
In, solar energy air heat collector (9), air-cooled condenser I (7), wind-cooled evaporator II (4), electric heater II (2) and level-one runner
Dehumidifier (1) is adjacent to be set gradually, and is set to same level；Wherein level-one rotary dehumidifier (1) is rotary dehumidifier, described
Each equipment in regeneration wind circulation, air-treatment circulation is connected by thermal insulation air channel, and each thermal insulation air channel port is driven by blower
Air-supply.
5. the multi-air condition system dry for grain depot according to claim 4, it is characterised in that: the refrigeration system
In, the outlet of compressor III (11) is connected with air-cooled condenser III (10), and the outlet of air-cooled condenser III (10) connects liquid storage device
(12), divide two-way after liquid storage device (12), enter wind-cooled evaporator III (17) by expansion valve III (15) all the way, another way is passed through
Expansion valve IV (16) enters wind-cooled evaporator IV (19), and wind-cooled evaporator III (17) merges with the outlet of wind-cooled evaporator IV (16)
The import of compressor III (11) is returned to afterwards.
6. the working method of the described in any item multi-air condition systems dry for grain depot of claim 1-5, feature exist
In: the Two-stage Heat Pump System uses in refrigeration system after air-cooled condenser III (10) heating and through solar energy air heat collector
(9) the hot wind waste heat mixed after heating, hot wind first pass through wind-cooled evaporator II (13), pass through wind-cooled evaporator I after cooling again
(14)；In air-treatment circulation, is cooled down after fresh air and indoor return air mixing by wind-cooled evaporator III (17) and assist dehumidifying, so
Enter level-one rotary dehumidifier (1) afterwards to dehumidify, enters back into wind-cooled evaporator IV (19) cooling, finally pass through electric heater I
(20) corresponding temperature is arrived in processing；Regenerate in wind circulation, fresh air is preheated by solar energy air heat collector (9), successively into
Enter air-cooled condenser I (7) and wind cooling condenser II (4) carries out multi-stage heat pump heating, arrives required temperature into electric heating II (2) processing
Afterwards enter level-one rotary dehumidifier (1), out after enter wind-cooled evaporator IV (19) be heated to treatment temperature, into level-one runner
Dehumidifier (20), is finally discharged into atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910745622.XA CN110388815A (en) | 2019-08-13 | 2019-08-13 | The multi-air condition system and its working method dry for grain depot |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910745622.XA CN110388815A (en) | 2019-08-13 | 2019-08-13 | The multi-air condition system and its working method dry for grain depot |
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| CN110388815A true CN110388815A (en) | 2019-10-29 |
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| CN201910745622.XA Pending CN110388815A (en) | 2019-08-13 | 2019-08-13 | The multi-air condition system and its working method dry for grain depot |
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| CN (1) | CN110388815A (en) |
Cited By (3)
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| CN115218643A (en) * | 2022-08-09 | 2022-10-21 | 大连海洋大学 | Solar heat pump self-adaptive control system and method for kelp drying |
| CN115507627A (en) * | 2022-09-26 | 2022-12-23 | 西安科技大学 | PLC-based multi-energy complementary drying system and control method |
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| CN115507627A (en) * | 2022-09-26 | 2022-12-23 | 西安科技大学 | PLC-based multi-energy complementary drying system and control method |
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