CN203072796U - Grain drying cooler - Google Patents
Grain drying cooler Download PDFInfo
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- CN203072796U CN203072796U CN201320111258XU CN201320111258U CN203072796U CN 203072796 U CN203072796 U CN 203072796U CN 201320111258X U CN201320111258X U CN 201320111258XU CN 201320111258 U CN201320111258 U CN 201320111258U CN 203072796 U CN203072796 U CN 203072796U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—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
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Abstract
The utility model provides a grain drying cooler which comprises a first drying cooling system for evaporating moisture in the grain for drying and realizing cold storage of the grain, a second drying cooling system for evaporating moisture in the grain for drying and realizing cold storage of the grain, a centrifugal fan for outputting air quantity and a condensed water recovery device for recycling condensed water. The grain drying cooler has the beneficial effects that the drying process can be shorted and the energy source can be saved through constant-temperature cold storage, the storage temperature of the grain can be adjusted so that temperature difference is reduced and the storage safety of the grain is guaranteed; cold storage is capable of reducing own breath of the grain, thereby achieving the purpose of loss reduction storage, proliferation of stored grain insects, mould and microbial populations can be inhibited, moisture transfer, layering and moisture condensation can be prevented and eliminated, peculiar smell in the grain stack can be eliminated, the safety of the grain can be ensured and good quality of the grain is guaranteed.
Description
Technical field
The invention belongs to a kind of dry cooling device, relate in particular to a kind of dry cooler of cereal that is used for the dry cold storage of cereal.
Background technology
At present, cereal is after purchase, because moisture is too high, needs evenly could put in storage after the drying, has therefore increased the man power and material of links such as turnover, transportation, drying.
Cereal is in long-time storage process, because the radiation of external heat, can cause cereal intensification heating, and country's promotion grain storage is wanted cryopreservation, can guarantee the fresh and long storage time of cereal like this, traditional cooler supply air temperature difference is little, and cold air distribution can not be provided under the situation of external high temperature effectively, thereby can not realize the purpose of low-temperature grain-storage effectively.
The cooler shortcoming that is used for the cereal cooling common on the market is: unit is big, energy consumption is high, cool time is long etc., and on the market common be used for grain storage have only drying machine or cooler usually, lack the grain storage equipment that can have dry and refrigerating function simultaneously.
Summary of the invention
The present invention is directed to the shortcoming of above-mentioned prior art, a kind of dry cooler of cereal of big temperature difference air-supply is provided, can be fast with the drying of the water evaporates in the cereal and with the cereal cold storage.
The present invention solves the technical scheme that its technical problem adopts:
The dry cooler of this cereal, comprise be used for the water evaporates of cereal dry and with the first dry cooling system of cereal cold storage, be used for the water evaporates of cereal dry and with the second dry cooling system of cereal cold storage, be used for discharge quantity of fan centrifugal blower, be used for the condensate water recovery device that condensed water is recycled;
The first dry cooling system comprises the first-class heat exchanger that can be used for exporting hot blast and cold wind, first fin condenser, be connected with first compressor that is used to provide operating pressure between the first-class heat exchanger and first fin condenser in turn, the first fin regenerator of backheat is used to dehumidify, can change first four-way change-over valve of the refrigerant direction of motion, first ball valve that is used for switch maintenance, the first hot defrosting magnetic valve that is used for defrost, be used to remove first device for drying and filtering of impurity, first expansion valve that is used for controlled pressure and adjusting flow, be connected with first low-pressure meter on first compressor in turn, the first height pressure switch, first high pressure gauge, be connected with first bypass solenoid valve on the first fin regenerator, first-class heat exchanger is hydrophilic aluminium finned heat exchanger;
The second dry cooling system comprises the secondary heat exchanger that can be used for exporting hot blast and cold wind, second fin condenser, be connected with the vapour liquid separator that is used to separate the refrigerant form in turn between the secondary heat exchanger and second fin condenser, be used to provide second compressor of operating pressure, the second fin regenerator of backheat is used to dehumidify, can change second four-way change-over valve of the refrigerant direction of motion, second ball valve that is used for switch maintenance, the pressure electromagnetic valve that unloads that is used for the regulating system operating pressure, the second hot defrosting magnetic valve that is used for defrost, be used to remove second device for drying and filtering of impurity, second expansion valve that is used for controlled pressure and adjusting flow, be connected with second low-pressure meter on second compressor in turn, the second height pressure switch, second high pressure gauge, be connected with second bypass solenoid valve on the second fin regenerator, secondary heat exchanger is hydrophilic aluminium finned heat exchanger;
All be connected with the aerofoil fan that is used to provide air quantity on first fin condenser and second fin condenser;
Be connected with the frequency-variable controller that is used to detect leaving air temp and accurately controls air quantity automatically on the centrifugal blower;
Condensate water recovery device includes the drip tray that condensed water is collected and is used to condensed water that the water pump that sprays operating pressure is provided.
In grain storage, by the first dry cooling system and the second dry cooling system cereal is carried out drying and cooling, dry run is the process of heating, cooling procedure is a process of refrigerastion, promptly two heatings and two refrigeration system.
When cereal needs drying, what the first dry cooling system and the second dry cooling system carried out is the process of heating, in the process of heating, the first dry cooling system and the second dry cooling system carry out hot blast output simultaneously, be that twin-stage heats output, can realize the purpose of big temperature difference high temperature air-supply, the hot blast of output can fully evaporate the moisture in the cereal, realizes the purpose of dried grain.
When cereal need cool off, what the first dry cooling system and the second dry cooling system carried out is process of refrigerastion, in process of refrigerastion, the first dry cooling system and the second dry cooling system carry out cold wind output simultaneously, promptly two refrigeration outputs, can realize the purpose of big temperature difference cold air distribution, make the abundant cold storage of cereal.
Unload pressure electromagnetic valve when the too high operation of environment temperature heats; too high at condensing pressure above after the setup pressure value of high-voltage switch gear; unloading pressure electromagnetic valve must establish by cable and open; after pressure being dropped in the differential pressure range of setting; unloading the pressure electromagnetic valve dead electricity closes; release finishes, guaranteed the dry cooler of cereal can be because of the high pressure escape stopping alarm.
The first hot defrosting magnetic valve is crossed low operation when heating in environment temperature, the phenomenon of frosting can appear in first-class heat exchanger, the first hot defrosting magnetic valve must be established by cable after obtaining first-class heat exchanger coil temperature probe signal and open, a part of hot gas of exhaust outlet discharge is directly delivered to the import department of first-class heat exchanger, frost on the first-class heat exchanger is dissolved, play the effect of defrost, after first-class heat exchanger coil pipe probe temperature raises, the first hot defrosting magnetic valve dead electricity is closed, defrost finishes, in like manner, the second hot defrosting magnetic valve is crossed low operation when heating in environment temperature, the phenomenon of frosting can appear in secondary heat exchanger, the second hot defrosting magnetic valve must be established by cable after obtaining secondary heat exchanger coil temperature probe signal and open, a part of hot gas of exhaust outlet discharge is directly delivered to the import department of secondary heat exchanger, frost on the secondary heat exchanger is dissolved, play the effect of defrost, after secondary heat exchanger coil pipe probe temperature raises, the second hot defrosting magnetic valve dead electricity is closed, defrost finishes, and the dry cooler of cereal can not influenced because of frosting heat dry effect.
First low-pressure meter, the first height pressure switch, first high pressure gauge are monitored the operating pressure of the first dry cooling system, and the first dry cooling system can be worked under normal operating pressure.
Second low-pressure meter, the second height pressure switch, second high pressure gauge are monitored the operating pressure of the second dry cooling system, and the second dry cooling system can be worked under normal operating pressure.
Adopt condensate water recovery device, when the big temperature-difference refrigerating of the dry cooler of cereal, the condensed water that evaporation side produces reclaims by drip tray, being transported to the fin condenser side by the pump handle condensed water again sprays fin condenser, realization is operated under the low condensation temperature the dry cooler of cereal to the purpose of fin condenser cooling, is not subjected to Effect of Hyperthermic Environment, be beneficial to the power consumption that reduces unit, improve the operating efficiency of unit.
Adopt the first fin regenerator and the second fin regenerator both can improve the condition of work of first compressor and second compressor, can when needing dehumidifying, the cereal heap dehumidify again to the cereal heap, low leaving air temp is carried out backheat, realize further effect on moisture extraction, realize the controlled humidity in the grain storage.
Adopt frequency-variable controller to connect centrifugal blower, can change the frequency realization automatic air quantity of centrifugal blower by frequency-variable controller, to guarantee under complicated or unsettled external environment, exporting stationary temperature, in order to the stability that guarantees that cereal is dry and cool off.
First fin condenser and second fin condenser are hydrophilic aluminium finned heat exchanger.
First fin condenser and second fin condenser all adopt hydrophilic aluminium finned heat exchanger can be convenient to condensed water landing from the fin of fin condenser.
Frequency-variable controller is provided with the PLC man-machine interface.
Adopt the PLC man-machine interface can make frequency-variable controller simple to operate, the interface is more directly perceived.
The exit of the dry cooler of cereal is provided with and is used for the temperature controlled temperature sensor of the dry cooler of cereal.
Temperature sensor is set can be controlled the leaving air temp of the dry cooler of cereal.
The effect that the present invention is useful is:
1. adopt the samming cold storage, can increase the moisture scope of the cereal that puts in storage, the dry run before putting in storage can shorten, can energy savings, can solve the cereal big problem of dry amount of putting in storage.
2. can regulate the grain storage temperature, dwindle the temperature difference, guarantee grain storage safety, cereal is stored under the situation than high-moisture, can slow down the cereal aging speed, reach the purpose of antistaling storing.
3. cold storage can reduce self breathing of cereal, thereby reduces the loss of cereal dry, reaches the purpose of impairment storage.
4. the hyperplasia that can suppress storage pest, mould, microbial population reduces dosage and stifling number of times at storage in the cycle.
5. can prevent or eliminate water transport, layering, dewfall, can get rid of the peculiar smell in the cereal heap, guarantee cereal safety, guarantee that grain quality is good.
Description of drawings
Fig. 1 is the schematic flow sheet of the embodiment of the invention;
Fig. 2 is the system block diagram of the embodiment of the invention;
Fig. 3 is the schematic block diagram of embodiment of the invention pressure work system;
Fig. 4 is the schematic block diagram of embodiment of the invention control section.
Description of reference numerals: first dry cooling system 1, the second dry cooling system 2, centrifugal blower 3, frequency-variable controller 3-1, PLC man-machine interface 3-2, condensate water recovery device 4, drip tray 4-1, water pump 4-2, aerofoil fan 5, temperature sensor 6, first-class heat exchanger 10, the first compressors 11, the first low-pressure meter 11-1, the first height pressure switch 11-2, the first high pressure gauge 11-3, the first fin regenerator, 12, the first bypass solenoid valve 12-1, first four-way change-over valve 13, first ball valve, 14, the first hot defrosting magnetic valve 15, the first devices for drying and filtering 16, first expansion valve 17, secondary heat exchanger 20, vapour liquid separator 21, second compressor, 22, the second low-pressure meter 22-1, the second height pressure switch 22-2, the second high pressure gauge 22-3, the second fin regenerator, 23, the second bypass solenoid valve 23-1, second four-way change-over valve 24, second ball valve 25 unloads pressure electromagnetic valve 26, the second hot defrosting magnetic valves 27, second device for drying and filtering 28, second expansion valve, 29, the first fin condensers, 100, the second fin condensers 200.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing:
With reference to accompanying drawing, the dry cooler of this cereal, comprise be used for the water evaporates of cereal dry and with the first dry cooling system 1 of cereal cold storage, be used for the water evaporates of cereal dry and with the second dry cooling system 2 of cereal cold storage, be used for discharge quantity of fan centrifugal blower 3, be used for the condensate water recovery device 4 that condensed water is recycled;
The first dry cooling system 1 comprises the first-class heat exchanger 10 that can be used for exporting hot blast and cold wind, first fin condenser 100, be connected with first compressor 11 that is used to provide operating pressure between the first-class heat exchanger 10 and first fin condenser 100 in turn, the first fin regenerator 12 of backheat is used to dehumidify, can change first four-way change-over valve 13 of the refrigerant direction of motion, first ball valve 14 that is used for switch maintenance, the first hot defrosting magnetic valve 15 that is used for defrost, be used to remove first device for drying and filtering 16 of impurity, first expansion valve 17 that is used for controlled pressure and adjusting flow, be connected with the first low-pressure meter 11-1 on first compressor 11 in turn, the first height pressure switch 11-2, the first high pressure gauge 11-3, be connected with the first bypass solenoid valve 12-1 on the first fin regenerator 12, first-class heat exchanger 10 is hydrophilic aluminium finned heat exchanger;
The second dry cooling system 2 comprises the secondary heat exchanger 20 that can be used for exporting hot blast and cold wind, second fin condenser 200, be connected with the vapour liquid separator 21 that is used to separate the refrigerant form in turn between the secondary heat exchanger 20 and second fin condenser 200, be used to provide second compressor 22 of operating pressure, the second fin regenerator 23 of backheat is used to dehumidify, can change second four-way change-over valve 24 of the refrigerant direction of motion, second ball valve 25 that is used for switch maintenance, what be used for the regulating system operating pressure unloads pressure electromagnetic valve 26, the second hot defrosting magnetic valve 27 that is used for defrost, be used to remove second device for drying and filtering 28 of impurity, second expansion valve 29 that is used for controlled pressure and adjusting flow, be connected with the second low-pressure meter 22-1 on second compressor 22 in turn, the second height pressure switch 22-2, the second high pressure gauge 22-3, be connected with the second bypass solenoid valve 23-1 on the second fin regenerator 23, secondary heat exchanger 20 is hydrophilic aluminium finned heat exchanger;
All be connected with the aerofoil fan 5 that is used to provide air quantity on first fin condenser 100 and second fin condenser 200;
Be connected with the frequency-variable controller 3-1 that is used to detect leaving air temp and accurately controls air quantity automatically on the centrifugal blower 3;
Condensate water recovery device 4 includes the drip tray 4-1 that condensed water is collected and is used to condensed water that the water pump 4-2 that sprays operating pressure is provided.
Frequency-variable controller 3-1 is provided with PLC man-machine interface 3-2.
The exit of the dry cooler of cereal is provided with and is used for the temperature controlled temperature sensor 6 of the dry cooler of cereal.
Workflow of the present invention is as follows:
Two process of refrigerastions: first compressor 11 in the first dry cooling system 1 is compressed into high-temperature high-pressure state with the gaseous refrigerant in the first-class heat exchanger 10 and is transported to first fin condenser 100 via first four-way change-over valve 13, at this moment, outside air at room temperature is via flow through fast first fin condenser, 100 surfaces and take away heat of aerofoil fan 5, high temperature and high pressure gaseous refrigerant in first fin condenser 100 becomes the liquid state of medium temperature and medium pressure, the liquid refrigerant of this medium temperature and medium pressure filters out impurity in the system via first device for drying and filtering 16, again through the adjusting throttling step-down further of first expansion valve, cooling becomes the low-temp low-pressure liquid refrigerant that is easy to evaporate and returns in the first-class heat exchanger 10, at this moment, extraneous air is via centrifugal blower 3 first-class heat exchanger 10 of flowing through fast, the low-temp low-pressure liquid refrigerant heat absorption evaporation on first-class heat exchanger 10 surfaces becomes gaseous refrigerant, and the heat in the extraneous air becomes cold wind output after cold-producing medium absorbs.
Circulation in the second dry cooling system 2 is identical with the kind of refrigeration cycle principle of the first dry cooling system 1, the cold wind of output is via the exit output of the dry cooler of cereal in the second dry cooling system 2 and the first dry cooling system 1, reach the effect of two refrigeration outputs, realized the purpose of big temperature difference air-supply.
In the first dry cooling system 1, first ball valve 14 is used for when breaking down in system carrying out opening and closing to system and realizes purpose to system overhaul, the first hot defrosting magnetic valve 15 plays the effect of defrost, the first hot defrosting magnetic valve 15 is crossed low operation when heating in environment temperature, the phenomenon of frosting can appear in first-class heat exchanger 10, the first hot defrosting magnetic valve 15 must be established by cable after obtaining first-class heat exchanger 10 coil temperature probe signals and open, a part of hot gas of exhaust outlet discharge is directly delivered to the import department of first-class heat exchanger 10, frost on the first-class heat exchanger 10 is dissolved, play the effect of defrost, after first-class heat exchanger 10 coil pipe probe temperatures raise, first hot defrosting magnetic valve 15 dead electricity are closed, and defrost finishes.
In the first dry cooling system 1; but the first low-pressure meter 11-1 on first compressor 11, the pressure value of the first high pressure gauge 11-3 display device when work; be convenient to the monitoring of user to machine; the first height pressure switch 11-2 plays a protective effect; prevent the too high or low excessively damage that causes first compressor 11 of operating pressure in the machine system, thereby cause mechanical disorder.
In the first dry cooling system 1, the first fin regenerator 12 can improve the condition of work of first compressor 11, and can when needing dehumidifying, the cereal heap dehumidify to the cereal heap, low leaving air temp is carried out backheat, realize further effect on moisture extraction, realize the controlled humidity in the grain storage.
In the second dry cooling system 2, because the liquid refrigerant in the secondary heat exchanger 20 is evaporated to gaseous state after heat absorption, for preventing that cold-producing medium in the secondary heat exchanger 20 from having the phenomenon of incomplete evaporation, vapour liquid separator 21 plays the effect that gaseous refrigerant is separated with liquid refrigerant, and vapour liquid separator 21 is transported to gaseous refrigerant in second compressor 22 and carries out working cycles.
In the second dry cooling system 2; unload pressure electromagnetic valve 26 when the too high operation of environment temperature heats; too high at condensing pressure above after the setup pressure value of high-voltage switch gear; unloading pressure electromagnetic valve 26 must establish by cable and open; after pressure being dropped in the differential pressure range of setting; unload pressure electromagnetic valve 26 dead electricity and close, release finishes, guaranteed the dry cooler of cereal can be because of the high pressure escape stopping alarm.
In the second dry cooling system 2; but the second low-pressure meter 22-1 on second compressor 22, the pressure value of the second high pressure gauge 22-3 display device when work; be convenient to the monitoring of user to machine; the second height pressure switch 22-2 plays a protective effect; prevent the too high or low excessively damage that causes first compressor 22 of operating pressure in the machine system, thereby cause mechanical disorder.
In the second dry cooling system 2, the second fin regenerator 23 can improve the condition of work of first compressor 22, and can when needing dehumidifying, the cereal heap dehumidify to the cereal heap, low leaving air temp is carried out backheat, realize further effect on moisture extraction, realize the controlled humidity in the grain storage.
Two processes that heat: in the first dry cooling system 1, under the effect of first four-way change-over valve 13, first compressor 11 is transported to first-class heat exchanger 10 with the gaseous refrigerant of HTHP, extraneous air is taken away heat output hot blast via flow through the fast surface of first-class heat exchanger 10 of centrifugal blower 3, realized the purpose of output hot blast, the gaseous refrigerant of HTHP becomes the liquid refrigerant of medium temperature and medium pressure, is transported to first fin condenser 100 via the liquid refrigerant that becomes low-temp low-pressure after the 17 throttling pressure regulation of first expansion valve, the temperature adjustment.
The second dry cooling system 2 circulates identical with heating of the first dry cooling system 1, the hot blast of output is via the exit output of the dry cooler of cereal in the second dry cooling system 2 and the first dry cooling system 1, reach two inferior effects that heat output, realized the purpose of big temperature difference air-supply.
First-class heat exchanger 10 and secondary heat exchanger 20 all adopt hydrophilic aluminium finned heat exchanger, can be convenient to condensed water landing from the fin of heat exchanger, are convenient to the recycling of condensed water.
Adopt condensate water recovery device 4, when the big temperature-difference refrigerating of the dry cooler of cereal, the condensed water that evaporation side produces reclaims by drip tray 4-1, by water pump 4-2 condensed water being transported to the fin condenser side again sprays fin condenser, realization is operated under the low condensation temperature the dry cooler of cereal to the purpose of fin condenser cooling, is not subjected to Effect of Hyperthermic Environment, be beneficial to the power consumption that reduces unit, improve the operating efficiency of unit.
Adopt frequency-variable controller 3-1 to connect centrifugal blower 3, can change the frequency realization automatic air quantity of centrifugal blower 3 by frequency-variable controller 3-1, to guarantee under complicated or unsettled external environment, exporting stationary temperature, in order to the stability that guarantees that cereal is dry and cool off.
Adopt PLC man-machine interface 3-2 can make frequency-variable controller 3-1 simple to operate, the interface is more directly perceived.
The dry cooler of cereal that the embodiment of the invention provides is made up of two independently dry cooling recirculation systems, two conversions that dry cooling recirculation system can be realized heating and freezing, and the dual air-supply by two systems realizes the purpose that the big temperature difference is blown.
The dry cooler of the cereal that the embodiment of the invention provides, by four-way change-over valve conversion refrigeration and the function that heats, adopt the cooling technology of two kind of refrigeration cycle during refrigeration, the heat transfer technology of dual evaporation, compare the leaving air temp that can provide lower with common cooler or drying machine, realize big temperature difference cooling, the unit air output is big, and blast is also big, utilize frequency-variable controller 3-1 can change the wind speed and the air quantity of centrifugal blower, satisfy the constant temperature air-supply demand of different granaries and different paddy temperature, the cooling system stack can realize unit work, also but two-shipper is worked simultaneously, realize segmentation appearance accent, can satisfy the demand under the varying environment operating mode, it is energy-conservation to help machine more; By the conversion of four-way change-over valve, realized the function of big temperature difference high temperature air-out equally when heating.
The dry cooler of cereal that the embodiment of the invention provides adopts the samming cold storage, can increase the moisture scope of the cereal that puts in storage, and the dry run before putting in storage can shorten, can energy savings, can solve the cereal big problem of dry amount of putting in storage.Can regulate the grain storage temperature, dwindle the temperature difference, guarantee grain storage safety, cereal is stored under the situation than high-moisture, can slow down the cereal aging speed, reach the purpose of antistaling storing.Cold storage can reduce self breathing of cereal, thereby reduces the loss of cereal dry, reaches the purpose of impairment storage.The hyperplasia that can suppress storage pest, mould, microbial population reduces dosage and stifling number of times at storage in the cycle.Can prevent or eliminate water transport, layering, dewfall, can get rid of the peculiar smell in the cereal heap, guarantee cereal safety, guarantee that grain quality is good.
The dry cooler of the cereal that the embodiment of the invention provides can provide 100% brand-new wind, has improved air quality, and air is comparatively fresh, more can satisfy the air requirements of grain storage in grain storage.
Above-mentioned explanation to the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention, multiple modification to these embodiment will be conspicuous concerning those skilled in the art, defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be limited and these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (4)
1. the dry cooler of a cereal is characterized in that: comprise be used for the water evaporates of cereal dry and with the first dry cooling system (1) of cereal cold storage, be used for the water evaporates of cereal dry and with the second dry cooling system (2) of cereal cold storage, be used for discharge quantity of fan centrifugal blower (3), be used for the condensate water recovery device (4) that condensed water is recycled;
The described first dry cooling system (1) comprises the first-class heat exchanger (10) that can be used for exporting hot blast and cold wind, first fin condenser (100), be connected with first compressor (11) that is used to provide operating pressure between described first-class heat exchanger (10) and first fin condenser (100) in turn, the first fin regenerator (12) of backheat is used to dehumidify, can change first four-way change-over valve (13) of the refrigerant direction of motion, first ball valve (14) that is used for switch maintenance, the first hot defrosting magnetic valve (15) that is used for defrost, be used to remove first device for drying and filtering (16) of impurity, first expansion valve (17) that is used for controlled pressure and adjusting flow, be connected with first low-pressure meter (11-1) on described first compressor (11) in turn, the first height pressure switch (11-2), first high pressure gauge (11-3), be connected with first bypass solenoid valve (12-1) on the described first fin regenerator (12), described first-class heat exchanger (10) is hydrophilic aluminium finned heat exchanger;
The described second dry cooling system (2) comprises the secondary heat exchanger (20) that can be used for exporting hot blast and cold wind, second fin condenser (200), be connected with the vapour liquid separator (21) that is used to separate the refrigerant form between described secondary heat exchanger (20) and second fin condenser (200) in turn, be used to provide second compressor (22) of operating pressure, the second fin regenerator (23) of backheat is used to dehumidify, can change second four-way change-over valve (24) of the refrigerant direction of motion, second ball valve (25) that is used for switch maintenance, what be used for the regulating system operating pressure unloads pressure electromagnetic valve (26), the second hot defrosting magnetic valve (27) that is used for defrost, be used to remove second device for drying and filtering (28) of impurity, second expansion valve (29) that is used for controlled pressure and adjusting flow, be connected with second low-pressure meter (22-1) on described second compressor (22) in turn, the second height pressure switch (22-2), second high pressure gauge (22-3), be connected with second bypass solenoid valve (23-1) on the described second fin regenerator (23), described secondary heat exchanger (20) is hydrophilic aluminium finned heat exchanger;
All be connected with the aerofoil fan (5) that is used to provide air quantity on described first fin condenser (100) and second fin condenser (200);
Be connected with the frequency-variable controller (3-1) that is used to detect leaving air temp and accurately controls air quantity automatically on the described centrifugal blower (3);
Described condensate water recovery device (4) includes the drip tray (4-1) that condensed water is collected and is used to condensed water that the water pump (4-2) that sprays operating pressure is provided.
2. the dry cooler of cereal according to claim 1, it is characterized in that: described first fin condenser (100) and second fin condenser (200) are hydrophilic aluminium finned heat exchanger.
3. the dry cooler of cereal according to claim 1, it is characterized in that: described frequency-variable controller (3-1) is provided with PLC man-machine interface (3-2).
4. according to claim 1, the dry cooler of 2 or 3 described cereal, it is characterized in that: the exit of the dry cooler of described cereal is provided with and is used for the dry temperature controlled temperature sensor of cooler (6) of cereal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320111258XU CN203072796U (en) | 2013-03-12 | 2013-03-12 | Grain drying cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320111258XU CN203072796U (en) | 2013-03-12 | 2013-03-12 | Grain drying cooler |
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| CN203072796U true CN203072796U (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320111258XU Withdrawn - After Issue CN203072796U (en) | 2013-03-12 | 2013-03-12 | Grain drying cooler |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103141570A (en) * | 2013-03-12 | 2013-06-12 | 浙江青风制冷设备制造有限公司 | Grain drying cooler |
| CN104738162A (en) * | 2015-04-06 | 2015-07-01 | 宁夏万齐米业有限公司 | Cereal cooling and dehumidifying device |
| CN109163517A (en) * | 2018-09-30 | 2019-01-08 | 上海伯涵热能科技有限公司 | A kind of crop storage device with drying and cold paddy function |
| CN110963192A (en) * | 2018-09-30 | 2020-04-07 | 青岛海高设计制造有限公司 | Cereal distributor and cabinet |
| CN110973241A (en) * | 2019-11-11 | 2020-04-10 | 江苏永昇空调有限公司 | Evaporation cooling type grain cooling machine |
-
2013
- 2013-03-12 CN CN201320111258XU patent/CN203072796U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103141570A (en) * | 2013-03-12 | 2013-06-12 | 浙江青风制冷设备制造有限公司 | Grain drying cooler |
| CN103141570B (en) * | 2013-03-12 | 2014-06-04 | 浙江青风环境股份有限公司 | Grain drying cooler |
| CN104738162A (en) * | 2015-04-06 | 2015-07-01 | 宁夏万齐米业有限公司 | Cereal cooling and dehumidifying device |
| CN104738162B (en) * | 2015-04-06 | 2019-03-15 | 宁夏万齐农业股份有限公司 | Cereal cool-down dehumidification device |
| CN109163517A (en) * | 2018-09-30 | 2019-01-08 | 上海伯涵热能科技有限公司 | A kind of crop storage device with drying and cold paddy function |
| CN110963192A (en) * | 2018-09-30 | 2020-04-07 | 青岛海高设计制造有限公司 | Cereal distributor and cabinet |
| CN109163517B (en) * | 2018-09-30 | 2024-01-30 | 广州万二二麦工程技术有限公司 | Cereal storage device with stoving and cold millet function |
| CN110973241A (en) * | 2019-11-11 | 2020-04-10 | 江苏永昇空调有限公司 | Evaporation cooling type grain cooling machine |
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Address after: Zhejiang province Lishui City Road 323000 Longqing Shuige Industrial Zone No. 277 Patentee after: Zhejiang Kingfit Enviroment Co., Ltd. Address before: Zhejiang province Lishui City Road 323000 Longqing Shuige Industrial Zone No. 277 Patentee before: Zhejiang Qingfeng Refrigeration Equipment Manufacturing Co., Ltd. |
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