CN108317851A - A kind of commutation drying grain storage apparatus - Google Patents
A kind of commutation drying grain storage apparatus Download PDFInfo
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- CN108317851A CN108317851A CN201810310228.9A CN201810310228A CN108317851A CN 108317851 A CN108317851 A CN 108317851A CN 201810310228 A CN201810310228 A CN 201810310228A CN 108317851 A CN108317851 A CN 108317851A
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- 238000001035 drying Methods 0.000 title claims abstract description 81
- 239000007788 liquid Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract description 2
- 235000013339 cereals Nutrition 0.000 description 36
- 238000001816 cooling Methods 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
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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
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
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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
-
- 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
-
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
-
- 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
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
-
- 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 invention discloses a kind of commutations to dry grain storage apparatus, including heat pump assembly, wind path switching device and control device, heat pump assembly are connected by air duct with wind path switching device；Wind path switching device is connected with drying room by air duct, and control device is electrically connected with heat pump assembly, wind path switching device respectively by cable；The wind path switching device sent back under including air port, on send air port back to；Under send air port back to and be connected with drying room bottom tuyeres by air duct, above send air port back to and be connected with drying chamber top air port by air duct.It through the invention, it can be achieved that carrying out air direction reversals drying and processing to grain, in drying course is not necessarily to that grain is carried out to turn over shovel, with low energy consumption, drying efficiency is high, the simple effect of process；And can realize to the processing of drying room grain heat-drying postcooling, reduce drying cost；And heat pump drying device is used, drying temperature is relatively low, has good drying quality.
Description
Technical field
The present invention relates to a kind of grain storage apparatus, and grain storage apparatus is dried more particularly to a kind of commutation.
Background technology
Currently, grain postpartum mechanization degree of drying in China's is relatively low, and after grain harvest, still based on natural drying, by
It is influenced in by factors such as place and weathers, a large amount of high moisture grains in the short time cannot be dried in time, easy tod produce mould
The reasons such as change, germination and insect pest, cause China's grain post-harvest loss rate generally higher.It is main for traditional heated-air drying equipment
Using coal-fired or fuel oil as heat source, drying medium temperature is higher, and depositing grain quality after the drying influences greatly, and fire coal causes dirt to environment
The problem of dye.For the drying equipment using other heat resource forms, such as the heat source of heat pump, solar energy and other forms or with combination
The heat source of form, though having certain energy-saving effect, its common ground is all that can only carry out the ventilation drying of direction, or forward
Or it is reverse, limited depth of grain layer can only be handled due to unidirectionally drying, for handling a large amount of postpartum grain, the equipment used needs
Larger floor area is occupied, and drying time is long, the grain moisture content inhomogeneities after drying is poor, and grain moisture content is dried to improve
Uniformity, partially desiccated equipment need to carry out turning over shovel by grain shovelling machine or manually to processing grain during the drying process so that entire
Drying course is complex and cost is higher, and whole drying efficiency is relatively low.
For also needing to cool down after grain heat-drying, current drying equipment is less to function offer in this respect, due to
Cereal temperature is higher after drying, needs another set of refrigeration equipment to carry out cooling storage toward contact, increases equipment cost.
Invention content
The goal of the invention of the present invention is：In view of the above problems, a kind of commutation drying grain storage apparatus is provided, is solved
The problem of temperature caused by fossil energy drying is excessively high, and dries quantity reduces, solves the problems, such as that heat source causes environmental pollution；
Solve the problems, such as that the drying efficiency unidirectionally dried is low, cost is higher.
The technical solution adopted by the present invention is as follows：
A kind of commutation drying grain storage apparatus, including heat pump assembly, wind path switching device and control device, heat pump assembly pass through air duct
It is connected with wind path switching device；Wind path switching device is connected with drying room by air duct, control device by cable respectively with
Heat pump assembly, the electrical connection of wind path switching device；The wind path switching device sent back under including air port, on send air port back to；Under send back to
Air port is connected by air duct with drying room bottom tuyeres, is above sent air port back to and is connected with drying chamber top air port by air duct.
Further, the invention discloses a kind of preferred structure of commutation drying grain storage apparatus, the wind path switching devices
Including the first electric three passes air-valve, wind turbine, the second electric three passes air-valve, the air outlet of wind turbine is electronic with first respectively by air duct
One end of three-way air valve and the second electric three passes air-valve is connected, one end of the first electric three passes air-valve sent back under passing through air port with
Drying room bottom tuyeres are connected, and one end of the second electric three passes air-valve is connected by above sending air port back to drying chamber top air port
It is logical.
Further, the wind path switching device includes lower exhaust outlet, third electric three passes air-valve, the first electric three passes wind
Valve is connected by air duct with lower exhaust outlet, and one end of third electric three passes air-valve is connected with one end of the second electric three passes air-valve
Logical, one end of third electric three passes air-valve is connected with exhaust outlet；The air inlet of wind turbine is connected with electrical heating in turn by air duct
One end of device, air filter and electronic new air-valve, third electric three passes air-valve is connected by air duct with electronic new air-valve.
Further, the heat pump assembly includes heat pump heat exchanger, and heat pump heat exchanger is arranged in electric heater and air mistake
On air duct between filter；Heat pump heat exchanger is arranged with solidifying water pond, and solidifying water pond is equipped with drainpipe, facilitates and arrange condensed water
Go out.
Further, the heat pump assembly includes expanding valve group, gas-liquid separator, device for drying and filtering, liquid storage device, four-way to change
To valve and compressor；The outlet of compressor is connected with the entrance of four-way reversing valve by copper pipe, the outlet difference of four-way reversing valve
It is connected by copper pipe with the outlet of another heat exchanger of heat pump with the outlet of the entrance of gas-liquid separator, heat pump heat exchanger；Heat pump changes
The entrance of hot device is connected with expansion valve group, device for drying and filtering and liquid storage device in turn by copper pipe.
Further, the control device includes controller, the first frequency converter, the second frequency converter；Under send back to air port setting
There is the first Temperature Humidity Sensor, the second Temperature Humidity Sensor is provided in drying room, above sends air port back to and be provided with third humiture
Sensor, controller pass through cable and the first Temperature Humidity Sensor, the second Temperature Humidity Sensor, third Temperature Humidity Sensor signal
Connection, controller are electrically connected by the first frequency converter with wind turbine, and controller passes through the second frequency converter and compression mechatronics.
Further, electric heater, air filter, electronic new air-valve, the first electric three passes air-valve, the second electric three passes
Air-valve, third electric three passes air-valve and air duct form closed cavity；First electric three passes air-valve, the second electric three passes air-valve,
Three electric three passes air-valves are connected by cable with controller signals.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1. by the present invention being arranged, it can be achieved that carrying out air direction reversals drying and processing to grain, in drying course without to grain into
Row turns over shovel, with low energy consumption, drying efficiency is high, the simple effect of process；
2. by the way that the heat pump assembly of four-way commutation is arranged, it can be achieved that the processing of drying room grain heat-drying postcooling, reduction is dried into
This.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the schematic diagram that drying is sent under the present invention；
Fig. 3 is the schematic diagram that drying is sent in the present invention；
Fig. 4 is the schematic diagram of present invention drying postcooling；
It is marked in figure：1 is expansion valve group, and 2 be gas-liquid separator, and 3 be device for drying and filtering, and 4 be liquid storage device, and 5 be first electronic three
Ventilation valve, 6 be under send air port back to, 7 be solidifying water pond, and 8 be wind turbine, and 9 be electric heater, and 10 be heat pump heat exchanger, and 11 be that control is set
Standby, 12 be the second electric three passes air-valve, 13 be on send air port back to, 14 be upper exhaust outlet, and 15 be third electric three passes air-valve, and 16 are
Air filter, 17 be fresh air air-valve, and 18 be four-way reversing valve, and 19 be compressor, and 20 be lower exhaust outlet.
Specific implementation mode
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, grain storage apparatus, including heat pump assembly, wind path switching device and control device, heat are dried in a kind of commutation
Pump installation is connected by air duct with wind path switching device；Wind path switching device is connected with drying room, control device by air duct
It is electrically connected respectively with heat pump assembly, wind path switching device by cable；The wind path switching device sent back under including air port 6, on
Send air port 13 back to；Under send air port 6 back to and be connected with drying room bottom tuyeres by air duct, above send air port 13 back to and pass through air duct and drying
Ceiling portion air port is connected.Heat pump assembly provides low-temperature receiver and heat source for whole system.Wind path switching device can realize the upper and lower of air
Circulation improves drying efficiency.
Wind path switching device includes the first electric three passes air-valve 5, wind turbine 8, the second electric three passes air-valve 12, and wind turbine 8 goes out
Air port is connected with one end of the first electric three passes air-valve 5 and the second electric three passes air-valve 12 respectively by air duct, and first is electronic
One end of three-way air valve 5 sends air port 6 back to and is connected with drying room bottom tuyeres under passing through, one end of the second electric three passes air-valve 12
It is connected with drying chamber top air port by above sending air port 13 back to.By the way that the first electric three passes air-valve 5, the second electric three passes are arranged
Air-valve 12 and third electric three passes air-valve 15 be interconnected, it can be achieved that air circulation up and down.
Wind path switching device includes lower exhaust outlet 20, third electric three passes air-valve 15, and the first electric three passes air-valve 5 passes through wind
Road is connected with lower exhaust outlet 20, and one end of third electric three passes air-valve 15 is connected with one end of the second electric three passes air-valve 12
Logical, one end of third electric three passes air-valve 15 is connected with exhaust outlet 14；The air inlet of wind turbine 8 is connected with electricity in turn by air duct
Heater 9, air filter 16 and electronic new air-valve 17, one end of third electric three passes air-valve 15 passes through air duct and electronic fresh air
Valve 17 is connected.
Further, the heat pump assembly includes heat pump heat exchanger 10, and the setting of heat pump heat exchanger 10 is in electric heater 9 and sky
On air duct between air filter 16；Heat pump heat exchanger 10 is arranged with solidifying water pond 7, and solidifying water pond 7 is equipped with drainpipe, facilitate by
Condensed water is discharged.Heat pump assembly can provide low-temperature receiver and heat source.
Further, heat pump assembly includes expanding valve group 1, gas-liquid separator 2, device for drying and filtering 3, liquid storage device 4, four-way to change
To valve 18, compressor 19；The outlet of compressor 19 is connected with the entrance of four-way reversing valve 18, the outlet difference of four-way reversing valve 18
It is connected by copper pipe with the outlet of another heat exchanger of heat pump with the outlet of the entrance of gas-liquid separator 2, heat pump heat exchanger 10；Heat pump
The entrance of heat exchanger 10 is sequentially connected expansion valve group 1, device for drying and filtering 3 and liquid storage device 4 by copper pipe.
Further, the control device includes controller, the first frequency converter, the second frequency converter；Under send back to air port 6 setting
There is the first Temperature Humidity Sensor, the second Temperature Humidity Sensor is provided in drying room, above sending air port 13 back to, to be provided with third warm and humid
Sensor is spent, controller is believed by cable and the first Temperature Humidity Sensor, the second Temperature Humidity Sensor, third Temperature Humidity Sensor
Number connection, controller is electrically connected by the first frequency converter with wind turbine 8, and controller is electrically connected by the second frequency converter and compressor 19
It connects.The automatic running of control device energy control device.
Further, electric heater 9, air filter 16, electronic new air-valve 17, first the 5, second electricity of electric three passes air-valve
Dynamic three-way air valve 12, third electric three passes air-valve 15 and air duct form closed cavity；First electric three passes air-valve 5, second is electronic
Three-way air valve 12, third electric three passes air-valve 15 are connected by cable with controller signals.By automatically controlling first electronic three
Ventilation valve 5, the second electric three passes air-valve 12, third electric three passes air-valve 15, it can be achieved that wind path automatic switchover.
Carrying out practically process, including following several working conditions：
One, the row's of serving drying pattern under：As shown in Fig. 2, selecting drying pattern, electronic new air-valve 17 to open by control device 11
It opens, the first electric three passes air-valve 5, the second electric three passes air-valve 12 and third electric three passes air-valve 15 act, fan operation, heat pump
Device starts.Outdoor fresh air enters equipment through electronic new air-valve 17, is filtered by air filter 16, is produced with heat pump heat exchanger 10
Temperature improves after heat exchanges, and into wind turbine 8, through 8 boosting of wind turbine, enters by the first electric three passes air-valve 5 dry downwards
Dry chamber A, hot-air flow through grain layer from the bottom to top, become Hot wet air heating after grain is dried, pass through the second electric three passes wind
Valve 12 and third electric three passes air-valve 15, drain into outdoor from upper exhaust outlet 14, recycle successively.
Two, lower row is sent to dry pattern on：As shown in figure 3, control device 11 pass through to processing grain moisture content and surrounding it is warm and humid
It spends parameter to judge, carries out reversed drying and processing automatically.Electronic new air-valve 17 is opened, the first electric three passes air-valve 5, second electronic three
Ventilation valve 12 and third electric three passes air-valve 15 act, and fan operation, heat pump assembly starts.Outdoor fresh air is through electronic new air-valve 17
It into equipment, is filtered by air filter 16, temperature improves after generating heat exchange with heat pump heat exchanger 10, into wind turbine 8, warp
8 boosting of wind turbine passes upward through the second electric three passes air-valve 12 and enters drying room A, and hot-air from top to bottom flows through grain layer, right
Grain is drained into outdoor from lower exhaust outlet 20, is followed successively as Hot wet air heating after being dried by the first electric three passes air-valve 5
Ring.
Three, postcooling pattern is dried：As shown in figure 4, control device 11 pass through to processing grain moisture content and air blow and return it is warm and humid
It spends parameter and judges that drying is completed, automatically into drying postcooling tupe.Heat pump assembly four-way commutates, electronic new air-valve 17
Separately opening, the first electric three passes air-valve 5, the second electric three passes air-valve 12 and third electric three passes air-valve 15 act, fan operation,
Heat pump assembly starts.Drying room A return air is mixed with third electric three passes air-valve 15 with fresh air by the second electric three passes air-valve 12
Afterwards, it is filtered by air filter 16, temperature reduces after generating heat exchange with heat pump heat exchanger 10, into wind turbine 8, through wind turbine 8
Boosting enters drying room A by the first electric three passes air-valve 5 downwards, and hot-air flows through grain layer from the bottom to top, to grain into
Row cooling, return air after cooling are mixed with third electric three passes air-valve 15 with fresh air by the second electric three passes air-valve 12 again, according to
Secondary cycle, the cooling condensed water generated collect device for transferring by solidifying water pond 7.
In this way, it can be achieved that carrying out air direction reversals drying and processing to grain, in drying course it is not necessarily to that grain is carried out to turn over shovel, has
Have that low energy consumption, drying efficiency is high, the simple effect of process；And can realize to the processing of drying room grain heat-drying postcooling, it reduces and dries
Dry cost；Grain will not be constantly in high Warm status, influence grain quality.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (7)
1. grain storage apparatus is dried in a kind of commutation, it is characterised in that：Including heat pump assembly, wind path switching device and control device, heat
Pump installation is connected by air duct with wind path switching device；Wind path switching device is connected with drying room, control device by air duct
It is electrically connected respectively with heat pump assembly, wind path switching device by cable；The wind path switching device sends air port back under including（6）、
On send air port back to（13）；Under send air port back to（6）It is connected with drying room bottom tuyeres by air duct, above sends air port back to（13）Pass through wind
Road is connected with drying chamber top air port.
2. grain storage apparatus is dried in a kind of commutation as described in claim 1, it is characterised in that：The wind path switching device includes the
One electric three passes air-valve（5）, wind turbine（8）, the second electric three passes air-valve（12）, wind turbine（8）Air outlet by air duct respectively with
First electric three passes air-valve（5）With the second electric three passes air-valve（12）One end be connected, the first electric three passes air-valve（5）One
End sends air port back under passing through（6）It is connected with drying room bottom tuyeres, the second electric three passes air-valve（12）One end by above giving
Return air inlet（13）It is connected with drying chamber top air port.
3. grain storage apparatus is dried in a kind of commutation as claimed in claim 2, it is characterised in that：Under the wind path switching device includes
Exhaust outlet（20）, third electric three passes air-valve（15）, the first electric three passes air-valve（5）Pass through air duct and lower exhaust outlet（20）It is connected
It is logical, third electric three passes air-valve（15）One end and the second electric three passes air-valve（12）One end be connected, third electric three passes
Air-valve（15）One end be connected with exhaust outlet（14）；Wind turbine（8）Air inlet electric heater is connected in turn by air duct
（9）, air filter（16）With electronic new air-valve（17）, third electric three passes air-valve（15）One end by air duct with it is electronic new
Air-valve（17）It is connected.
4. grain storage apparatus is dried in a kind of commutation as claimed in claim 3, it is characterised in that：The heat pump assembly includes that heat pump changes
Hot device（10）, heat pump heat exchanger（10）It is arranged in electric heater（9）With air filter（16）Between be connected air duct on；Heat pump
Heat exchanger（10）Be arranged with solidifying water pond（7）, solidifying water pond（7）Equipped with drainpipe, facilitates and condensed water is discharged.
5. grain storage apparatus is dried in a kind of commutation as claimed in claim 4, it is characterised in that：The heat pump assembly includes expansion valve
Group（1）, gas-liquid separator（2）, device for drying and filtering（3）, liquid storage device（4）, four-way reversing valve（18）, compressor（19）；Compressor
（19）Outlet and four-way reversing valve（18）Entrance by copper pipe be connected, four-way reversing valve（18）Outlet respectively with gas-liquid point
From device（2）Entrance, heat pump heat exchanger（10）Outlet and another heat exchanger of heat pump outlet by copper pipe be connected；Heat pump changes
Hot device（10）Entrance expansion valve group is connected in turn by copper pipe（1）, device for drying and filtering（3）With liquid storage device（4）.
6. grain storage apparatus is dried in a kind of commutation as claimed in claim 5, it is characterised in that：The control device includes control
Device, the first frequency converter, the second frequency converter；Under send air port back to（6）It is provided with the first Temperature Humidity Sensor, is provided in drying room
Two Temperature Humidity Sensors, above send air port back to（13）It is provided with third Temperature Humidity Sensor, controller is warm and humid with first by cable
Sensor, the second Temperature Humidity Sensor, the connection of third Temperature Humidity Sensor signal are spent, controller passes through the first frequency converter and wind turbine
（8）Electrical connection, controller pass through the second frequency converter and compressor（19）Electrical connection.
7. grain storage apparatus is dried in a kind of commutation as claimed in claim 6, it is characterised in that：Electric heater（9）, air filter
（16）, electronic new air-valve（17）, the first electric three passes air-valve（5）, the second electric three passes air-valve（12）, third electric three passes air-valve
（15）Closed cavity is formed with air duct；First electric three passes air-valve（5）, the second electric three passes air-valve（12）, third electric three passes
Air-valve（15）It is connected with controller signals by cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310228.9A CN108317851B (en) | 2018-04-09 | 2018-04-09 | Reversing drying grain storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310228.9A CN108317851B (en) | 2018-04-09 | 2018-04-09 | Reversing drying grain storage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108317851A true CN108317851A (en) | 2018-07-24 |
| CN108317851B CN108317851B (en) | 2023-11-21 |
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ID=62897193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810310228.9A Active CN108317851B (en) | 2018-04-09 | 2018-04-09 | Reversing drying grain storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108317851B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111780541A (en) * | 2020-06-19 | 2020-10-16 | 农业农村部南京农业机械化研究所 | Waste heat recovery device and method of modular reversing ventilation dryer |
| CN111838716A (en) * | 2020-06-29 | 2020-10-30 | 湖南新发食品有限公司 | Day lily de-enzyming device and de-enzyming process thereof |
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