CN108759171A - A kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine - Google Patents
A kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine Download PDFInfo
- Publication number
- CN108759171A CN108759171A CN201810808639.0A CN201810808639A CN108759171A CN 108759171 A CN108759171 A CN 108759171A CN 201810808639 A CN201810808639 A CN 201810808639A CN 108759171 A CN108759171 A CN 108759171A
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- Prior art keywords
- compressor
- water
- condenser
- stage
- evaporator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- 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
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- 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
-
- 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
-
- 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]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention provides a kind of multi-stage, efficient heat recovery type water source heat pump grain drying machines, it carries out hydrofuge wind by shower water to determine dirt dust removal process, it sprays and enters Drying unit through recycling after coolant-temperature gage increases, origin of heat for providing drying, it is not influenced by ambient temperature, its heating capacity is big, evaporation efficiency is high, and complete machine is easy to operate.It includes N number of compressor, its be respectively the first compressor, the second compressor ... N compressors, wherein N is the natural number not less than 2, it is independently disposed with corresponding condenser, expansion valve per compressor, it further includes that there are one the evaporators that water route integrates, N group evaporation tube roads are correspondingly arranged in the evaporator, the outlet of every compressor connects the working medium entrances of the corresponding condenser, and the sender property outlet of the condenser connects the working medium entrances for the one of which evaporation tube road that the evaporator is connected after corresponding expansion valve.
Description
Technical field
The present invention relates to the technical field of drying machine structure, specially a kind of multi-stage, efficient heat recovery type water source heat pump cereal
Dryer.
Background technology
Existing heat pump grain drying machine, mostly uses air-source, is limited by outdoor temperature；When outdoor temperature is lower
Time, the deficiencies such as heating capacity is insufficient, and efficiency is low.Cereal can need to be dusted when dry with a large amount of airborne dust in hydrofuge
Processing, existing structure is by filter screen filtration, and one is the increase in the power of wet-emitting blower, while also needing to regularly carry out
Filter gauze cleaning, it is time-consuming and laborious.
Invention content
In view of the above-mentioned problems, the present invention provides a kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine, lead to
It crosses shower water hydrofuge wind is carried out to determine dirt dust removal process, enters Drying unit through recycling after spray coolant-temperature gage raising, for providing
The origin of heat of drying, not influenced by ambient temperature, heating capacity is big, evaporation efficiency is high, and complete machine is easy to operate.
A kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine, it is characterised in that：It includes N number of compressor,
Respectively the first compressor, the second compressor ... N compressors, wherein N are natural number not less than 2, are distinguished per compressor
It is independently disposed with corresponding condenser, expansion valve, further includes being correspondingly arranged in the evaporator there are one integrated evaporator
There are N group evaporation tube roads, the outlet of every compressor to connect the working medium entrances of the corresponding condenser, the condenser
Sender property outlet connects the working medium entrances for the one of which evaporation tube road that the evaporator is connected after corresponding expansion valve, the evaporation
The sender property outlet of the correspondence evaporation tube road of device connects the working medium entrances of the corresponding compressor, and N number of compressor and N groups are steamed
It sends out pipeline and corresponds arrangement setting, all condensers are arranged in corresponding condenser region, and the one of the condenser region
Side is disposed with the air inlet of drying tower, and the top area of the drying tower is provided with tilt clapboard, the top of the tilt clapboard
Region is water conservancy diversion region, sprays air inlet after drying is provided on the tilt clapboard, is provided at the top of the water conservancy diversion region
The least significant end side of several spray ports, the tilt clapboard is provided with drainpipe, and the drainpipe accesses water by connecting water pipe
The output end of case, the water tank connects the waterway inlet into the evaporator by water pump, and the water route outlet of the evaporator is logical
The spray manifold that the second pipeline accesses the spray port is crossed, the side in the water conservancy diversion region is provided with exhaust outlet.
It is further characterized by：It is disposed with condensation fan on the outside of the condenser of the air inlet；
The water conservancy diversion region correspond to the exhaust outlet position at be provided with exhaust blower；
It is provided with filter between water tank and the water pump, the cleaning of shower water is ensured, spray port and guarantor will not be blocked
Demonstrate,prove the cleanliness factor inside evaporator；
The water tank is also circumscribed with water compensating valve, and moisturizing is carried out by water compensating valve when the water level in water tank is inadequate；
Condenser, expansion valve corresponding to each compressor, corresponding evaporation tube road are formed by piping connection and are sealed
The loop structure closed, the first circulation structure corresponding to the first compressor are located at center, corresponding to second compressor
Second circulation structure be located at the periphery arrangement of the first circulation structure, the third cycle knot corresponding to the third compressor
Structure is located at the periphery arrangement of the second circulation structure, until the corresponding N loop structures of the N compressors are located at described the
(N-1) the periphery arrangement of compressor corresponding (N-1) loop structure ensures that the floor space of entire dryer is minimum, line
Road connection and reasonable arrangement；
All condensers are located at the air inlet side linearly sequentially arrangement setting of the drying tower, it is ensured that pipeline is optimal
Change.
After applying the present invention, the working medium corresponding to each compressor of dryer independently flows through corresponding condenser, swollen
Compressor is again flowed into after swollen valve, evaporation tube road carries out cycle operation；
The wind processing procedure of dryer is as follows, and outdoor fresh air obtains the temperature that baking needed is wanted sequentially through N number of condenser
Hot wind is admitted to drying tower afterwards, hot wind enters drying tower heating grains and takes away moisture in cereal, later heating grains
Wind is mingled with a large amount of Grain Dust, enters water conservancy diversion region, carries out determining dirt dedusting by shower water, wind is discharged outside drying tower；
Waterway circulating operation is as follows, and shower water carries out spray process to the dust hot wind after heating, and water temperature increases, and flows into storage
Water tank, water is flowed out by filter in water tank, and filtered water squeezes into evaporator by water pump, the water after being absorbed heat by evaporator
Cooling, into drying tower top spraying and dedusting, cycle operation later is carried out when the water level in water tank is not high enough by water compensating valve
Moisturizing；
It is dusted processing by shower water to hydrofuge wind, enters Drying unit through recycling after spray coolant-temperature gage raising,
Origin of heat for providing drying, not influenced by ambient temperature, heating capacity is big, evaporation efficiency is high, and complete machine operation letter
It is single；Heat temperature raising is carried out to outdoor fresh air using multi-stage condensing device simultaneously, the efficiency of complete machine also greatly improves.
Description of the drawings
Fig. 1 is the structure schematic diagram of specific embodiments of the present invention；
Title in figure corresponding to serial number is as follows：
First compressor 1, the second compressor 2, third compressor 3, the 4th compressor 4, the condensation of the first condenser 5, second
Device 6, third condenser 7, the 4th condenser 8, the first expansion valve 9, the second expansion valve 10, third expansion valve 11, the 4th expansion valve
12, the first evaporation tube road 13, working medium entrances 131, sender property outlet 132, the second evaporation tube road 14, working medium entrances 141, sender property outlet
142, third evaporation tube road 15, working medium entrances 151, sender property outlet 152, the 4th evaporation tube road 16, working medium entrances 161, working medium go out
Mouth 162, evaporator 17, waterway inlet 171, water route outlet 172, first circulation structure 18, second circulation structure 19, third cycle
Air inlet is sprayed after structure 20, the 4th loop structure 21, drying tower 22, air inlet 23, tilt clapboard 24, water conservancy diversion region 25, drying
Mouth 26, spray port 27, drainpipe 28, connection water pipe 29, water tank 30, water pump 31, the second pipeline 32, spray manifold 33, exhaust outlet
34, condensation fan 35, exhaust blower 36, filter 37, water compensating valve 38.
Specific implementation mode
A kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine, is shown in Fig. 1：It includes N number of compressor, is respectively
First compressor, the second compressor ... N compressors, wherein N are natural number not less than 2, the independently cloth per compressor
It is equipped with corresponding condenser, expansion valve, further includes that there are one the evaporators 17 that water route integrates, is correspondingly arranged in evaporator 17
N group evaporation tube roads, the outlet of each compressor connect the working medium entrances of corresponding condenser, the sender property outlet connection pair of condenser
The working medium entrances of the one of which evaporation tube road of evaporator, the working medium of the correspondence evaporation tube road of evaporator are connected after the expansion valve answered
Outlet connects the working medium entrances of corresponding compressor, and N number of compressor and N group evaporation tube roads correspond arrangement setting, all
Condenser is arranged in corresponding condenser region, and the side of condenser region is disposed with the air inlet 23 of drying tower 22, drying tower
22 top area is provided with tilt clapboard 24, and the upper area of tilt clapboard 24 is water conservancy diversion region 25, is set on tilt clapboard 24
Air inlet 26 is sprayed after being equipped with drying, the top in water conservancy diversion region 25 is provided with several spray ports 27, the least significant end of tilt clapboard 24
Side is provided with drainpipe 28, and drainpipe 28 accesses water tank 30 by connecting water pipe 29, and the output end of water tank 30 passes through water pump 31
The waterway inlet 171 into evaporator 17 is connected, the water route outlet 172 of evaporator 17 accesses spray port 27 by the second pipeline 32
Manifold 33 is sprayed, the side in water conservancy diversion region 25 is provided with exhaust outlet 34.
Condensation fan 35 is disposed on the outside of the condenser of air inlet 23；
Water conservancy diversion region 25 correspond to exhaust outlet 34 position at be provided with exhaust blower 36；
Filter 37 is provided between water tank 30 and water pump 31, ensure the cleaning of shower water, spray port will not be blocked and
Ensure the cleanliness factor inside evaporator；
Water tank 30 is also circumscribed with water compensating valve 38, and moisturizing is carried out by water compensating valve 38 when the water level in water tank 30 is inadequate；
Condenser, expansion valve corresponding to each compressor, corresponding evaporation tube road are formed closed by piping connection
Loop structure, the first circulation structure 18 corresponding to the first compressor 1 are located at center, and corresponding to the second compressor 2
Two loop structures 19 are located at the periphery arrangement of first circulation structure 18, the third loop structure 20 corresponding to third compressor 3
It is arranged in the periphery of second circulation structure 19, until the corresponding N loop structures of N compressors are located at (N-1) compressor pair
The periphery of (N-1) loop structure answered is arranged, ensures that the floor space of entire dryer is minimum, line arrangement is reasonable；
All condensers are located at 23 side of the air inlet linearly sequentially arrangement setting of drying tower 22, it is ensured that pipeline is optimal
Change.
Working volume, the cereal of the quantity of compressor and power according to the drying tower dried when specific implementation
Dry and wet degree arrangement.
Specific embodiment is shown in Fig. 1：It includes four compressors, is respectively the first compressor 1, the second compressor 2,
Three compressors 3, the 4th compressor 4, the first compressor 1 is independently disposed with the first condenser 5, the first expansion valve 9, first steams
Pipeline 13 is sent out, the second compressor 2 is independently disposed with the second condenser 6, the second expansion valve 10, the second evaporation tube road 14, the
Three compressors 3 are independently disposed with third condenser 7, third expansion valve 11, third evaporation tube road 15, and the 4th compressor 4 divides
It is not disposed with the 4th condenser 8, the 4th expansion valve 12, the 4th evaporation tube road 16, the first evaporation tube road 13, the second evaporation tube independently
Road 14, third evaporation tube road 15, the 4th evaporation tube road 16 are integrated in the inside setting of evaporator 17, and the first evaporation tube road 13 is right
Should the shell of evaporator 17 be provided with working medium entrances 131, sender property outlet 132, the second evaporation tube road 14 corresponds to evaporator 17
Shell be provided with working medium entrances 141, sender property outlet 142, the shell that third evaporation tube road 15 corresponds to evaporator 17 is provided with
Working medium entrances 151, sender property outlet 152, the 4th evaporation tube road 16 correspond to evaporator 17 shell be provided with working medium entrances 161,
Sender property outlet 162, the first circulation structure 18 corresponding to the first compressor 1 are located at center, corresponding to the second compressor 2
Second circulation structure 19 is located at the periphery arrangement of first circulation structure 18, the third loop structure 20 corresponding to third compressor 3
It is arranged positioned at the periphery of second circulation structure 19, the 4th loop structure 21 corresponding to the 4th compressor 4 is located at third cycle knot
The periphery of structure 20 is arranged.
Arrow is that the signal of wind flows in figure.
The operation principle of specific embodiment：
Working medium corresponding to four compressors of dryer independently flows through corresponding condenser, expansion valve, evaporation tube road
After again flow into compressor carry out cycle operation；
The wind processing procedure of dryer is as follows, and outdoor fresh air a obtains the temperature that baking needed is wanted sequentially through four condensers
Hot wind b is admitted to drying tower after degree, and hot wind b enters drying tower heating grains and takes away moisture in cereal, later heated paddy
The wind c of object, is mingled with a large amount of Grain Dust, enters water conservancy diversion region, carries out determining dirt dedusting formation wind d, wind d quilts by shower water
It is discharged outside drying tower；
Waterway circulating operation is as follows, and shower water carries out spray process to the dust hot wind after heating, and water temperature increases, and flows into storage
Water tank, water is flowed out by filter in water tank, and filtered water squeezes into evaporator by water pump, after being absorbed heat by evaporator
Water cools down, into drying tower top spraying and dedusting, cycle operation later, when the water level in water tank is not high enough, by water compensating valve into
Row moisturizing；
It is dusted processing by shower water to hydrofuge wind, enters Drying unit through recycling after spray coolant-temperature gage raising,
Origin of heat for providing drying, not influenced by ambient temperature, system is stablized, and heating capacity is big, evaporation efficiency is high and whole
Machine is easy to operate；Heat temperature raising is carried out to outdoor fresh air using multi-stage condensing device simultaneously, the efficiency of complete machine also greatly improves.
Specific embodiments of the present invention are described in detail above, but content is only the preferable implementation of the invention
Example, should not be construed as limiting the practical range of the invention.It is all to become according to impartial made by the invention application range
Change and improve etc., it should all still belong within this patent covering scope.
Claims (7)
1. a kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine, it is characterised in that：It includes N number of compressor, point
Not Wei the first compressor, the second compressor ... N compressors, wherein N are natural number not less than 2, are distinguished per compressor only
It is vertical to be disposed with corresponding condenser, expansion valve, further include there are one the evaporator that water route integrates, correspondence is set in the evaporator
N group evaporation tube roads are equipped with, the outlet of every compressor connects the working medium entrances of the corresponding condenser, the condenser
Sender property outlet connect the working medium entrances of the one of which evaporation tube road that the evaporator is connected after corresponding expansion valve, the steaming
The sender property outlet for sending out the correspondence evaporation tube road of device connects the working medium entrances of the corresponding compressor, N number of compressor and N groups
Evaporation tube road corresponds arrangement setting, and all condensers are arranged in corresponding condenser region, the condenser region
Side is disposed with the air inlet of drying tower, and the top area of the drying tower is provided with tilt clapboard, the tilt clapboard it is upper
Portion region is water conservancy diversion region, and air inlet, the top setting in the water conservancy diversion region are sprayed after drying is provided on the tilt clapboard
There are several spray ports, the least significant end side of the tilt clapboard to be provided with drainpipe, the drainpipe is accessed by connecting water pipe
The output end of water tank, the water tank connects the waterway inlet into the evaporator, the water route outlet of the evaporator by water pump
The spray manifold of the spray port is accessed by the second pipeline, the side in the water conservancy diversion region is provided with exhaust outlet.
2. a kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine as described in claim 1, it is characterised in that：Near
It is disposed with condensation fan on the outside of the condenser of the nearly air inlet.
3. a kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine as described in claim 1, it is characterised in that：It is described
Water conservancy diversion region correspond to the exhaust outlet position at be provided with exhaust blower.
4. a kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine as described in claim 1, it is characterised in that：Water tank
It is provided with filter between the water pump.
5. a kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine as claimed in claim 4, it is characterised in that：It is described
Water tank is also circumscribed with water compensating valve, and moisturizing is carried out by water compensating valve when the water level in water tank is inadequate.
6. a kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine as claimed in claim 4, it is characterised in that：Each
Condenser, expansion valve, corresponding evaporation tube road corresponding to the compressor form closed loop structure by piping connection,
First circulation structure corresponding to first compressor is located at center, the second circulation structure corresponding to second compressor
It is arranged positioned at the periphery of the first circulation structure, the third loop structure corresponding to the third compressor is located at described second
The periphery of loop structure is arranged, until the corresponding N loop structures of the N compressors are located at (N-1) compressor pair
The periphery of (N-1) loop structure answered is arranged.
7. a kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine as claimed in claim 6, it is characterised in that：It is all
Condenser be located at the linearly sequentially arrangement setting of the air inlet side of the drying tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810808639.0A CN108759171A (en) | 2018-07-18 | 2018-07-18 | A kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810808639.0A CN108759171A (en) | 2018-07-18 | 2018-07-18 | A kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108759171A true CN108759171A (en) | 2018-11-06 |
Family
ID=63970755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810808639.0A Pending CN108759171A (en) | 2018-07-18 | 2018-07-18 | A kind of multi-stage, efficient heat recovery type water source heat pump grain drying machine |
Country Status (1)
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| CN (1) | CN108759171A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189316A (en) * | 2020-02-16 | 2020-05-22 | 扬州大学 | Grain drying system based on heat pipe waste heat recovery type water source heat pump |
| CN111811242A (en) * | 2020-07-31 | 2020-10-23 | 广东纽恩泰新能源科技发展有限公司 | Heat recovery closed circulation rice drying system and method |
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| CN205482282U (en) * | 2016-01-08 | 2016-08-17 | 苏州市农业机械有限公司 | Grain drying device |
| CN205825684U (en) * | 2016-06-24 | 2016-12-21 | 山东绿特新能源有限公司 | A kind of heat-recovery air source heat pump drying unit |
| CN106705590A (en) * | 2016-12-13 | 2017-05-24 | 河南佰衡节能科技股份有限公司 | Heat pump type water heating drying system |
| CN107144124A (en) * | 2017-07-21 | 2017-09-08 | 苏州市农业机械有限公司 | Novel grain drying device |
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2018
- 2018-07-18 CN CN201810808639.0A patent/CN108759171A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486074A (en) * | 2016-01-08 | 2016-04-13 | 苏州市农业机械有限公司 | Grain drying device |
| CN205482282U (en) * | 2016-01-08 | 2016-08-17 | 苏州市农业机械有限公司 | Grain drying device |
| CN205825684U (en) * | 2016-06-24 | 2016-12-21 | 山东绿特新能源有限公司 | A kind of heat-recovery air source heat pump drying unit |
| CN106705590A (en) * | 2016-12-13 | 2017-05-24 | 河南佰衡节能科技股份有限公司 | Heat pump type water heating drying system |
| CN107144124A (en) * | 2017-07-21 | 2017-09-08 | 苏州市农业机械有限公司 | Novel grain drying device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111189316A (en) * | 2020-02-16 | 2020-05-22 | 扬州大学 | Grain drying system based on heat pipe waste heat recovery type water source heat pump |
| CN111811242A (en) * | 2020-07-31 | 2020-10-23 | 广东纽恩泰新能源科技发展有限公司 | Heat recovery closed circulation rice drying system and method |
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