CN109405460A - A kind of agricultural drying equipment and furnace drying method of automatic controlled thermal pump-type - Google Patents
A kind of agricultural drying equipment and furnace drying method of automatic controlled thermal pump-type Download PDFInfo
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- CN109405460A CN109405460A CN201811448015.9A CN201811448015A CN109405460A CN 109405460 A CN109405460 A CN 109405460A CN 201811448015 A CN201811448015 A CN 201811448015A CN 109405460 A CN109405460 A CN 109405460A
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/10—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in the open air; in pans or tables in rooms; Drying stacks of loose material on floors which may be covered, e.g. by a roof
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
-
- 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
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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
A kind of agricultural drying equipment and furnace drying method of automatic controlled thermal pump-type, hollow thermal-insulating body including cubic, side is provided with closed type hot pump circulation component to the thermal-insulating body inside it, the component is provided with circulating fan at an upper portion thereof, the high temperature low-humidity air generated by the circulating fan extraction assembly when condensing and cooling down is sent into the drying device assembly that the other side inside thermal-insulating body is arranged in, and the crops to be dried in drying device assembly are dried in high temperature low-humidity air.Present system composition is simple, and high reliablity, expense is low, and drying environment cleanliness is high；The present invention can improve evaporator heat transfer efficiency, achieve the purpose that energy-efficient；The present invention can guarantee the thermal loss for without external air draft, avoiding exchanging during the drying process with extraneous fresh air, improve the thermal efficiency of system；The invention can ensure that drying rate maximizes, also settable preset mode and automatic control mode can set different critical values according to different drying objects.
Description
Technical field
The present invention relates to farm equipment fields more particularly to a kind of withering applied to the crops after harvest
The agricultural drying equipment of automatic controlled thermal pump-type and matched drying corps method.
Background technique
China is large agricultural country, and the annual harvest season needs to grain, cotton, oil, woods, herds, fruit, large agricultural products such as bacterium
Crops (or agricultural product) after harvesting are dried, these crops generally include grain, veterinary antibiotics, poultry
Product, poultry product, condiment, oils, bee product, aquatic products, edible fungi, wild vegetables, secondary product of forestry etc..
Due to crops storage and processing all with drying it is closely related.Must have if needing to store crops for a long time
It is pollution-free, conveniently take and do bad with wholesome requirement, such as the drying process of crops, frequently can lead to crops
Rotten, mouldy, rotten etc., gently then lead to the heavy losses of nutritional ingredient, it is heavy then containing cause a disease, carcinogenic factor and can not eat, only
It can be carried out innoxious destruction,
And China can not carry out outdoor in this weather since its climate reasons, harvest may also have rainy weather season
Weather-drying operation, if continuing for some time without good drying equipment along with rainy weather, it will cause
The dry Best Times of crops are missed, the rotten, mouldy to cause damages of crops is caused.
In conclusion the demand to crops drier is very big in current crops processing, storage sector.And show
Having the crop drying equipment under technology is mainly a kind of baking oven of hot air circulation, and heat source is steam, hot coal is oily, electric heating,
Wherein, it is heated using steam or hot coal oil, device systems are complicated, safety is low, the thermal efficiency is low and daily maintenance is taken
With height.And using electric heating as heating source, the problem that but there are service lifes is low, energy consumption is high, these are advocated with current
Energy-saving and environment-friendly policy disagree.Meanwhile there is also temperature, the humidity in baking oven for the crop drying equipment under the prior art
Uncontrollable problem, the mode such as taken lasting air draft, mend wind, thermal loss is larger, causes whole efficiency low.
Summary of the invention
To solve the above-mentioned problems, the present invention dries the technology combined with high temperature using low temperature dehumidification, provides one kind
The agricultural drying equipment and furnace drying method of automatic controlled thermal pump-type can effectively dry the crops in baking oven, and this hair
It is bright to use heat pump techniques, the utilization rate of heat can be improved, reduce routine use expense.The present invention can be according to agriculture in baking oven simultaneously
Heat pump drying temperature is arranged in the drying stage of crop, according to the state for being oven-dried crops, adjusts heat pump working condition, guarantees
Oven temperature is matched with the drying corps stage, improves crops quality and condition after drying, improves user's income.This
Outside, the ventilating fan in baking oven of the invention, is accurately opened according to upper limit value set by oven temperature, humidity, is guaranteeing baking oven
Interior reasonable temperature and humidity simultaneously, reduces to the greatest extent because of bring thermal loss of taking a breath.
The agricultural drying equipment and furnace drying method, specific structure of a kind of automatic controlled thermal pump-type of the invention are as described below:
A kind of agricultural drying equipment of automatic controlled thermal pump-type, the hollow thermal-insulating body including a cubic, feature
It is:
Side is provided with a closed type hot pump circulation component to the thermal-insulating body inside it, passes through the closed heat pump
The liquid refrigerant of low-temp low-pressure is converted to the gaseous refrigerant of high temperature and pressure, gaseous refrigerant by the compression set of recirculation assembly
The condensation cooling device being arranged in component is sent by pipeline and is converted into liquid refrigerant, and liquid refrigerant is sent by pipeline again
Vaporising device, absorbs the heat for flowing through the air of vaporising device, and last liquid refrigerant passes through pipeline again and filled by initial compression
Sucking is set, closed type hot pump circulation is formed；
The closed type hot pump circulation component is provided with circulating fan at an upper portion thereof, is extracted and is closed by the circulating fan
The high temperature low-humidity air that formula heat pump cycle component is generated when condensing and cooling down is sent into the baking that the other side inside thermal-insulating body is arranged in
The crops to be dried in drying device assembly are dried in dry device assembly, high temperature low-humidity air, high temperature low-humidity air quilt
High temperature and humidity air is converted to, is sent into closed type hot pump circulation component finally by the air outlet of drying device assembly lower part side,
High temperature and humidity air is absorbed heat and dehumidifying when passing through the vaporising device of closed type hot pump circulation component, form low temperature and low humidity
Air, it is low that these low temperature and low humidity air are heated again into high temperature when passing through the condensation cooling device of closed type hot pump circulation component
Humid air, and be mutually mixed with the high temperature low-humidity air that is similarly generated when condensation cooling device work, finally by circulating fan
It extracts, is sent into drying device assembly, forms hot air circulation；
The thermal-insulating body is respectively arranged with self hang down type shutter and ventilating fan in its two sides of the bottom.
A kind of agricultural drying equipment of automatic controlled thermal pump-type according to the present invention, which is characterized in that the closed type hot
Pump circulation component its be specially include heat pump components cabinet, compressor, No.1 condenser, No. two condensers, electric expansion valve, steamings
Send out device, vapour liquid separator and partition, wherein heat pump components cabinet is fixed at the side inside thermal-insulating body, and compressor is set
It sets in the intracorporal lower part of heat pump components case, compressor is connected to by pipeline with the entrance pipe of No.1 condenser, and No.1 condenses
The export pipeline of device is connected to the entrance pipe of No. two condensers again, and the export pipelines of No. two condensers then enters with evaporator
Mouth pipeline connection, and electric expansion valve is provided on the pipeline that No. two condensers are connected to evaporator, the outlet of evaporator
The entrance pipe of mono- vapour liquid separator of Lu Zeyu is connected to, and the export pipeline of the vapour liquid separator is communicated with compressor, and partition will
Heat pump components box house is divided into upper and lower two half part, and lower half portion is provided with compressor and vapour liquid separator, and top half
Then it is provided with No.1 condenser, No. two condensers, electric expansion valve and evaporator.
The agricultural drying equipment of a kind of automatic controlled thermal pump-type according to the present invention, which is characterized in that the evaporator
Lower part is provided with water-collecting tray, which is connected to the stainless steel screwed tube of a stretching thermal-insulating body, will collect the water come and is discharged
Thermal-insulating body.
The agricultural drying equipment of a kind of automatic controlled thermal pump-type according to the present invention, which is characterized in that set on the partition
It is equipped with Electric air valve at two, the air in the space of partition lower half portion is discharged into the top half of partition.
A kind of agricultural drying equipment of automatic controlled thermal pump-type according to the present invention, which is characterized in that the baker group
Part includes baker cabinet and drying tray frame, and wherein baker cabinet is fixed at the other side inside thermal-insulating body, should
Drying air inlet is provided at the top of baker cabinet, which is connected to the air duct of circulating fan, and baker case
The bottom side of body is provided with drying air outlet, the lower part of the just right closed type hot pump circulation component of the drying air outlet, drying
In the setting of setting shape in baker cabinet, crops to be dried are then placed on drying tray frame tray rack.
A kind of agricultural furnace drying method of automatic controlled thermal pump-type, the agricultural drying based on a kind of above-mentioned automatic controlled thermal pump-type are set
Standby, it is described that specific step is as follows:
1) crops to be dried are then placed on the drying tray frame of drying device assembly, close baker cabinet, and really
Recognize closed type hot pump circulation component and be in operative condition, is then shut off thermal-insulating body；
2) liquid refrigerant of starting compressor sucking low-temp low-pressure, by the gas for being converted into high temperature and pressure after compressed action
State refrigerant, and No.1 condenser is sent into along pipeline；
The step is that heat pump (heats and be pumped into) process.
3) No.1 condenser carries out condensation cooling to the gaseous refrigerant of feeding, is translated into gas-liquid mixture phase, should
The heat distributed in step is transferred in the outer loop air for flowing through No.1 condenser；
4) refrigerant of gas-liquid mixture phase enters two by the connecting line between No.1 condenser and No. two condensers
Number condenser carries out condensation cooling again, is converted into liquid refrigerant, the heat distributed in the step, which is transferred to, flows through two
In the outer loop air of number condenser；
5) liquid refrigerant enters electric expansion valve by pipeline after condensing cooling twice, carries out reducing pressure by regulating flow；
Step 3), 4) and 5) as cooling media process, increase refrigerating capacity, so that degree of supercooling is higher, improve subsequent
The evaporation effect of evaporator.
6) refrigerant after reducing pressure by regulating flow enters evaporator by pipeline, is flowed through outside evaporator by evaporator to absorb
Air heat, to air carry out cool-down dehumidification, reach effect on moisture extraction；
7) refrigerant enters back into vapour liquid separator after evaporator, is again converted to liquid refrigerant, finally using
Connecting refrigerant lines are sent into compressor, form closing enclosed heat pump cycle；
8) in step 3) and step 4), the circulating fan on closed type hot pump circulation component top is set by condenser at two
The high temperature low-humidity air generated in condensation temperature-fall period is sucked out, and the drying air inlet on baker cabinet top is sent by air duct,
That is, high temperature low-humidity air enters the intracorporal drying area of baker case, the crops to be dried on drying tray frame are carried out
Drying and dehumidifying；
9) in step 8), high temperature low-humidity air is converted to high temperature and humidity air during drying crops, passes through baking
The drying air outlet of dry device lower box side enters the bottom of closed type hot pump circulation component, and high temperature and humidity air flows through evaporation
Device, is absorbed heat and dehumidifying forms low temperature and low humidity air, and condensate produced by dehumidifying is collected by water-collecting tray, passes through stainless steel screw thread
Thermal-insulating body is discharged in pipe；
10) low temperature and low humidity air caused by step 9) flows through No.1 condenser and No. two condensers are heated again into height
Warm low-humidity air, and be mutually mixed with No.1 condenser with the high temperature low-humidity air that is similarly generated when No. two condenser workings,
It is finally extracted by circulating fan, is sent into drying device assembly, forms hot air circulation；
11) after drying, closed type hot pump circulation component is closed, and opens the self hang down type shutter of thermal-insulating body and changes
Gas blower accelerates inner air circulation, takes out the crops after drying after confirming safety, and be ready for drying work next time
Industry.
It is obtained using the agricultural drying equipment and furnace drying method of a kind of automatic controlled thermal pump-type of the invention following beneficial to effect
Fruit:
1. the agricultural drying equipment and furnace drying method of a kind of automatic controlled thermal pump-type of the invention are dried using the heat pump of compressor
Dry, system composition is simple, and the thermal efficiency is high, and high reliablity, expense is low, and drying environment cleanliness is high；
2. the agricultural drying equipment and furnace drying method of a kind of automatic controlled thermal pump-type of the invention control skill using time condensation
Art, No.1 condensator outlet gas-liquid state refrigerant are completely converted into liquid refrigerants by exchanging heat again in No. two condensers, from
And can guarantee that the refrigerant into evaporator after throttling is complete liquid, to improve evaporator heat transfer efficiency, reach high
Imitate energy-efficient purpose；
3. the agricultural drying equipment and furnace drying method of a kind of automatic controlled thermal pump-type of the invention are using heating drying and low temperature
Dehumidifying is jointly processed by circulation air mode, guarantees to be not necessarily to external air draft during the drying process, is different from conventional hydrofuge technology, keeps away
Exempt from the thermal loss exchanged with extraneous fresh air, improves the thermal efficiency of system；
4. moisture removal and compression is adjusted in the agricultural drying equipment and furnace drying method of a kind of automatic controlled thermal pump-type of the invention
Machine goes out hot temperature, guarantees that drying rate maximizes, and also settable preset mode and automatic control mode can be according to different drying
Object sets different critical values.
Detailed description of the invention
Fig. 1 is the specific structure signal of the agricultural drying equipment and furnace drying method of a kind of automatic controlled thermal pump-type of the invention
Figure；
In figure: 1- thermal-insulating body, 1a- self hang down type shutter, 1b- ventilating fan, 2- circulating fan, the closed heat pump of A- follow
Ring assemblies, A1- heat pump components cabinet, A2- compressor, A3- No.1 condenser, No. bis- condensers of A4-, A5- electric expansion valve,
A6- evaporator, A7- vapour liquid separator, A8- partition, A6a- water-collecting tray, A6b- stainless steel screwed tube, A8a- Electric air valve, B- dry
Dry device assembly, B1- baker cabinet, B1a- dry air inlet, and B1b- dries air outlet, B2- drying tray frame.
Specific embodiment
Agricultural drying equipment to a kind of automatic controlled thermal pump-type of the invention and drying side with reference to the accompanying drawings and examples
Method is further described.
Embodiment
As shown in Figure 1, a kind of agricultural drying equipment of automatic controlled thermal pump-type, the hollow incubator including a cubic
Body 1, side is provided with a closed type hot pump circulation component A to the thermal-insulating body inside it, passes through the closed type hot pump circulation group
The liquid refrigerant of low-temp low-pressure is converted to the gaseous refrigerant of high temperature and pressure by the compression set of part, and gaseous refrigerant passes through pipe
Road is sent into the condensation cooling device being arranged in component and is converted into liquid refrigerant, and liquid refrigerant is sent into evaporation dress by pipeline again
It sets, absorbs the heat for flowing through the air of vaporising device, last liquid refrigerant passes through pipeline again and is sucked by initial compression set,
Form closed type hot pump circulation；
Closed type hot pump circulation component A is provided with circulating fan 2 at an upper portion thereof, extracts closed type hot by the circulating fan
The high temperature low-humidity air that pump circulation component is generated when condensing and cooling down is sent into the baker that the 1 inside other side of thermal-insulating body is arranged in
The crops to be dried in drying device assembly are dried in component B, high temperature low-humidity air, and high temperature low-humidity air is converted
For high temperature and humidity air, closed type hot pump circulation component, high temperature are sent into finally by the air outlet of drying device assembly lower part side
Highly humid air is absorbed heat and dehumidifying when passing through the vaporising device of closed type hot pump circulation component, it is empty to form low temperature and low humidity
Gas, these low temperature and low humidity air are heated again into high temperature low humidity when passing through the condensation cooling device of closed type hot pump circulation component
Air, and be mutually mixed with the high temperature low-humidity air that is similarly generated when condensation cooling device work, finally taken out by circulating fan
It takes, is sent into drying device assembly, forms hot air circulation；
Thermal-insulating body 1 is respectively arranged with self hang down type shutter 1a and ventilating fan 1b in its two sides of the bottom.
Closed type hot pump circulation component A its be specially include heat pump components cabinet A1, compressor A2, No.1 condenser A3,
No. two condenser A4, electric expansion valve A5, evaporator A6, vapour liquid separator A7 and partition A8, wherein heat pump components cabinet is fixed
Side inside thermal-insulating body 1 is set, and compressor setting passes through pipeline and one in the intracorporal lower part of heat pump components case, compressor
The entrance pipe connection of number condenser, and the export pipeline of No.1 condenser is connected to the entrance pipe of No. two condensers again, and
The pipeline that the export pipeline of No. two condensers is then connected to the entrance pipe of evaporator, and is connected in No. two condensers with evaporator
On be provided with electric expansion valve, the export pipeline of evaporator is then connected to the entrance pipe of a vapour liquid separator, and the vapour-liquid point
Export pipeline from device is communicated with compressor, and heat pump components box house is divided into upper and lower two half part by partition, and lower half is set up separately
Compressor and vapour liquid separator have been set, and top half is then provided with No.1 condenser, No. two condensers, electric expansion valve and steaming
Send out device.
The lower part of evaporator A6 is provided with water-collecting tray A6a, the stainless steel screwed tube of the water-collecting tray and a stretching thermal-insulating body 1
A6b connection will collect the water come and thermal-insulating body be discharged.
It is provided with Electric air valve A8a at two on partition A8, the air in the space of partition lower half portion is discharged into the upper of partition
Half part.
Drying device assembly B includes baker cabinet B1 and drying tray frame B2, and wherein baker cabinet is fixed at guarantor
The other side inside incubator body 1 is provided with drying air inlet B1a, the drying air inlet and circulation at the top of the baker cabinet
The air duct of blower 2 is connected to, and the bottom side of baker cabinet is provided with drying air outlet B1b, and the drying air outlet is just right
The lower part of closed type hot pump circulation component A, drying tray frame are in erect the setting of shape in baker cabinet, farming to be dried
Object is then placed on drying tray frame.
A kind of agricultural furnace drying method of automatic controlled thermal pump-type, the agricultural drying based on a kind of above-mentioned automatic controlled thermal pump-type are set
Standby, it is described that specific step is as follows:
1) crops to be dried are then placed on the drying tray frame B2 of drying device assembly B, close baker cabinet B1,
And confirm that closed type hot pump circulation component A is in operative condition, it is then shut off thermal-insulating body 1；
2) liquid refrigerant of starting compressor A2 sucking low-temp low-pressure, by being converted into high temperature and pressure after compressed action
Gaseous refrigerant, and No.1 condenser A3 is sent into along pipeline；
3) No.1 condenser A3 carries out condensation cooling to the gaseous refrigerant of feeding, is translated into gas-liquid mixture phase,
The heat distributed in the step is transferred in the outer loop air for flowing through No.1 condenser；
4) refrigerant of gas-liquid mixture phase by connecting line between No.1 condenser A3 and No. two condenser A4 into
Enter No. two condensers, carries out condensation cooling again, be converted into liquid refrigerant, the heat distributed in the step is transferred to stream
In outer loop air through No. two condensers；
5) liquid refrigerant enters electric expansion valve A5 by pipeline after condensing cooling twice, carries out reducing pressure by regulating flow；
6) refrigerant after reducing pressure by regulating flow enters evaporator A6 by pipeline, is flowed through outside evaporator by evaporator to absorb
The heat of the air in portion carries out cool-down dehumidification to air, reaches effect on moisture extraction；
7) refrigerant enters back into vapour liquid separator A7 after evaporator, is again converted to liquid refrigerant, finally passes through again
It crosses connecting refrigerant lines and is sent into compressor A1, form closing enclosed heat pump cycle；
8) in step 3) and step 4), the circulating fan 2 on the top closed type hot pump circulation component A, which is arranged in, to be condensed at two
The high temperature low-humidity air generated in device condensation temperature-fall period is sucked out, and enters the wind by the drying that the top baker cabinet B1 is sent into air duct
Mouth B1a, that is, high temperature low-humidity air enters the intracorporal drying area of baker case, to the agriculture to be dried on drying tray frame B2
Crop is dried and is dehumidified；
9) in step 8), high temperature low-humidity air is converted to high temperature and humidity air during drying crops, passes through baking
The drying air outlet B1b of the dry lower part device cabinet B1 side enters the bottom of closed type hot pump circulation component A, high temperature and humidity air stream
Through evaporator A6, it is absorbed heat and dehumidifying forms low temperature and low humidity air, condensate produced by dehumidifying is collected by water-collecting tray A6a, is led to
Cross stainless steel screwed tube A6b discharge thermal-insulating body 1；
10) low temperature and low humidity air caused by step 9) flows through No.1 condenser A3 and No. two condenser A4 and is heated again
It is mutually mixed at high temperature low-humidity air, and with the high temperature low-humidity air that is similarly generated when No.1 condenser and No. two condenser workings
It closes, is finally extracted by circulating fan 2, be sent into drying device assembly B, form hot air circulation；
11) after drying, closed type hot pump circulation component A is closed, and open the self hang down type shutter 1a of thermal-insulating body 1
With ventilating fan 1b, accelerate inner air circulation, takes out the crops after drying after confirming safety, and be ready for drying next time
Dry operation.
The agricultural drying equipment and furnace drying method of a kind of automatic controlled thermal pump-type of the invention use the heat pump drying of compressor,
System composition is simple, and the thermal efficiency is high, and high reliablity, expense is low, and drying environment cleanliness is high；No.1 condensator outlet of the invention
Gas-liquid state refrigerant is completely converted into liquid refrigerants, to can guarantee after throttling by exchanging heat again in No. two condensers
The refrigerant into evaporator be complete liquid achieve the purpose that energy-efficient to improve evaporator heat transfer efficiency；The present invention
Circulation air mode is jointly processed by with low temperature dehumidification using heating drying, guarantees to be not necessarily to external air draft during the drying process, difference
In conventional hydrofuge technology, the thermal loss exchanged with extraneous fresh air is avoided, the thermal efficiency of system is improved；The present invention is adjustable
Moisture removal and compressor go out hot temperature, guarantee that drying rate maximizes, and also settable preset mode and automatic control mode can roots
According to different drying objects, different critical values is set.
The agricultural drying equipment and furnace drying method of a kind of automatic controlled thermal pump-type of the invention are suitable for the baking of various crops
Dry preservation field.
Claims (6)
1. a kind of agricultural drying equipment of automatic controlled thermal pump-type, the hollow thermal-insulating body (1) including a cubic, feature
It is:
Side is provided with a closed type hot pump circulation component (A) to the thermal-insulating body (1) inside it, passes through the closed type hot
The liquid refrigerant of low-temp low-pressure is converted to the gaseous refrigerant of high temperature and pressure, gaseous refrigerant by the compression set of pump circulation component
Agent is sent into the condensation cooling device being arranged in component by pipeline and is converted into liquid refrigerant, and liquid refrigerant is sent by pipeline again
Enter vaporising device, absorb the heat for flowing through the air of vaporising device, last liquid refrigerant passes through pipeline by initial compression again
Device sucking, forms closed type hot pump circulation；
The closed type hot pump circulation component (A) is provided with circulating fan (2) at an upper portion thereof, is extracted and is sealed by the circulating fan
Enclosed heat pump cycle component is condensing the high temperature low-humidity air feeding setting generated when cooling in the internal other side of thermal-insulating body (1)
Drying device assembly (B), high temperature low-humidity air to drying device assembly in crops to be dried be dried, high temperature low humidity
Air is converted into high temperature and humidity air, is sent into closed type hot pump circulation finally by the air outlet of drying device assembly lower part side
Component, high temperature and humidity air are absorbed heat and dehumidifying when passing through the vaporising device of closed type hot pump circulation component, formed low
Warm low-humidity air, these low temperature and low humidity air are heated again into when passing through the condensation cooling device of closed type hot pump circulation component
High temperature low-humidity air, and be mutually mixed with the high temperature low-humidity air that is similarly generated when condensation cooling device work, finally followed
Ring blower extracts, and is sent into drying device assembly, forms hot air circulation；
The thermal-insulating body (1) is respectively arranged with self hang down type shutter (1a) and ventilating fan (1b) in its two sides of the bottom.
2. a kind of agricultural drying equipment of automatic controlled thermal pump-type as described in claim 1, which is characterized in that described is closed
Heat pump cycle component (A) its be specially include heat pump components cabinet (A1), compressor (A2), No.1 condenser (A3), No. two it is cold
Condenser (A4), electric expansion valve (A5), evaporator (A6), vapour liquid separator (A7) and partition (A8), wherein heat pump components cabinet
It is fixed at the internal side of thermal-insulating body (1), compressor is arranged in the intracorporal lower part of heat pump components case, and compressor passes through pipe
Road is connected to the entrance pipe of No.1 condenser, and the export pipeline of No.1 condenser connects with the entrance pipe of No. two condensers again
It is logical, and the export pipeline of No. two condensers is then connected to the entrance pipe of evaporator, and be connected in No. two condensers with evaporator
Pipeline on be provided with electric expansion valve, the export pipeline of evaporator is then connected to the entrance pipe of a vapour liquid separator, and is somebody's turn to do
The export pipeline of vapour liquid separator is communicated with compressor, and heat pump components box house is divided into upper and lower two half part, lower half by partition
Part is provided with compressor and vapour liquid separator, and top half is then provided with No.1 condenser, No. two condensers, electronic expansions
Valve and evaporator.
3. a kind of agricultural drying equipment of automatic controlled thermal pump-type as claimed in claim 2, which is characterized in that the evaporator
(A6) lower part is provided with water-collecting tray (A6a), and the water-collecting tray and one stretches out the stainless steel screwed tube (A6b) of thermal-insulating body (1) even
It is logical, the water come will be collected, thermal-insulating body is discharged.
4. a kind of agricultural drying equipment of automatic controlled thermal pump-type as claimed in claim 2, which is characterized in that the partition
(A8) it is provided with Electric air valve at two (A8a) on, the air in the space of partition lower half portion is discharged into the top half of partition.
5. a kind of agricultural drying equipment of automatic controlled thermal pump-type as described in claim 1, which is characterized in that the baker
Component (B) includes baker cabinet (B1) and drying tray frame (B2), and wherein baker cabinet is fixed at thermal-insulating body (1)
The internal other side is provided with drying air inlet (B1a), the drying air inlet and circulating fan at the top of the baker cabinet
(2) air duct connection, and the bottom side of baker cabinet is provided with drying air outlet (B1b), the drying air outlet is just right
The lower part of closed type hot pump circulation component (A), drying tray frame are in erect the setting of shape in baker cabinet, agriculture to be dried
Crop is then placed on drying tray frame.
6. a kind of agricultural furnace drying method of automatic controlled thermal pump-type requires a kind of autocontrol heat pump based on above-mentioned all authority
The agricultural drying equipment of type, it is described that specific step is as follows:
1) crops to be dried are then placed on the drying tray frame (B2) of drying device assembly (B), close baker cabinet
(B1), and confirm that closed type hot pump circulation component (A) is in operative condition, be then shut off thermal-insulating body (1)；
2) liquid refrigerant of starting compressor (A2) sucking low-temp low-pressure, by the gas for being converted into high temperature and pressure after compressed action
State refrigerant, and No.1 condenser (A3) is sent into along pipeline；
3) No.1 condenser (A3) carries out condensation cooling to the gaseous refrigerant of feeding, is translated into gas-liquid mixture phase, should
The heat distributed in step is transferred in the outer loop air for flowing through No.1 condenser；
4) refrigerant of gas-liquid mixture phase by connecting line between No.1 condenser (A3) and No. two condensers (A4) into
Enter No. two condensers, carries out condensation cooling again, be converted into liquid refrigerant, the heat distributed in the step is transferred to stream
In outer loop air through No. two condensers；
5) liquid refrigerant is entered electric expansion valve (A5) after condensing cooling twice by pipeline, carries out reducing pressure by regulating flow；
6) refrigerant after reducing pressure by regulating flow enters evaporator (A6) by pipeline, is flowed through outside evaporator by evaporator to absorb
Air heat, to air carry out cool-down dehumidification, reach effect on moisture extraction；
7) refrigerant enters back into vapour liquid separator (A7) after evaporator, is again converted to liquid refrigerant, finally using
Connecting refrigerant lines are sent into compressor (A1), form closing enclosed heat pump cycle；
8) in step 3) and step 4), be arranged the circulating fan (2) on the top closed type hot pump circulation component (A) by two at condense
The high temperature low-humidity air that generates is sucked out in device condensation temperature-fall period, by air duct be sent into the drying on the top baker cabinet (B1) into
Air port (B1a), that is, high temperature low-humidity air enters the intracorporal drying area of baker case, on drying tray frame (B2) wait dry
Dry crops are dried and are dehumidified；
9) in step 8), high temperature low-humidity air is converted to high temperature and humidity air during drying crops, passes through baker
The drying air outlet (B1b) of the lower part side cabinet (B1) enters the bottom of closed type hot pump circulation component (A), high temperature and humidity air
Evaporator (A6) is flowed through, heat is absorbed and dehumidifying forms low temperature and low humidity air, condensate produced by dehumidifying is received by water-collecting tray (A6a)
Thermal-insulating body (1) is discharged by stainless steel screwed tube (A6b) in collection；
10) low temperature and low humidity air caused by step 9) flows through No.1 condenser (A3) and is heated again with No. two condensers (A4)
It is mutually mixed at high temperature low-humidity air, and with the high temperature low-humidity air that is similarly generated when No.1 condenser and No. two condenser workings
It closes, is finally extracted by circulating fan (2), be sent into drying device assembly (B), form hot air circulation；
11) it after drying, closes closed type hot pump circulation component (A), and open the self hang down type shutter of thermal-insulating body (1)
(1a) and ventilating fan (1b) accelerates inner air circulation, takes out the crops after drying after confirming safety, and be ready for down
First drying operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811448015.9A CN109405460A (en) | 2018-11-29 | 2018-11-29 | A kind of agricultural drying equipment and furnace drying method of automatic controlled thermal pump-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811448015.9A CN109405460A (en) | 2018-11-29 | 2018-11-29 | A kind of agricultural drying equipment and furnace drying method of automatic controlled thermal pump-type |
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| Publication Number | Publication Date |
|---|---|
| CN109405460A true CN109405460A (en) | 2019-03-01 |
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ID=65456394
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811448015.9A Pending CN109405460A (en) | 2018-11-29 | 2018-11-29 | A kind of agricultural drying equipment and furnace drying method of automatic controlled thermal pump-type |
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| CN (1) | CN109405460A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902572A (en) * | 2021-02-17 | 2021-06-04 | 珠海金太节能科技有限公司 | Integral vacuum type heat pump drying energy-saving device |
| CN115127309A (en) * | 2022-06-20 | 2022-09-30 | 北京大学 | Air circulation system for cultural relic freeze-drying warehouse and independent temperature and humidity control method thereof |
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| JP2004239549A (en) * | 2003-02-07 | 2004-08-26 | Matsushita Electric Ind Co Ltd | Clothes drier |
| CN101694342A (en) * | 2009-09-19 | 2010-04-14 | 汪强 | Inner circulation type heat pump drying device |
| CN202350444U (en) * | 2011-11-25 | 2012-07-25 | 天津市国民制药机械有限公司 | Novel superconducting heat pump drying box |
| CN206001865U (en) * | 2016-08-30 | 2017-03-08 | 广州宙桓机械设备有限公司 | Portable heat pump moisture eliminating drying box |
| CN206583244U (en) * | 2017-03-17 | 2017-10-24 | 中山市雅淇热工节能科技有限公司 | A kind of energy saving heat pump dryer |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004239549A (en) * | 2003-02-07 | 2004-08-26 | Matsushita Electric Ind Co Ltd | Clothes drier |
| CN101694342A (en) * | 2009-09-19 | 2010-04-14 | 汪强 | Inner circulation type heat pump drying device |
| CN202350444U (en) * | 2011-11-25 | 2012-07-25 | 天津市国民制药机械有限公司 | Novel superconducting heat pump drying box |
| CN206001865U (en) * | 2016-08-30 | 2017-03-08 | 广州宙桓机械设备有限公司 | Portable heat pump moisture eliminating drying box |
| CN206583244U (en) * | 2017-03-17 | 2017-10-24 | 中山市雅淇热工节能科技有限公司 | A kind of energy saving heat pump dryer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902572A (en) * | 2021-02-17 | 2021-06-04 | 珠海金太节能科技有限公司 | Integral vacuum type heat pump drying energy-saving device |
| CN115127309A (en) * | 2022-06-20 | 2022-09-30 | 北京大学 | Air circulation system for cultural relic freeze-drying warehouse and independent temperature and humidity control method thereof |
| CN115127309B (en) * | 2022-06-20 | 2023-06-09 | 北京大学 | Air circulation system for cultural relic freeze-drying warehouse and independent temperature and humidity control method thereof |
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