CN109682201A - Air energy grain heat-drying refrigerates energy saving integral device and its Intelligent control method - Google Patents
Air energy grain heat-drying refrigerates energy saving integral device and its Intelligent control method Download PDFInfo
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- CN109682201A CN109682201A CN201910110798.8A CN201910110798A CN109682201A CN 109682201 A CN109682201 A CN 109682201A CN 201910110798 A CN201910110798 A CN 201910110798A CN 109682201 A CN109682201 A CN 109682201A
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- pump system
- air inlet
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- 238000001035 drying Methods 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims description 17
- 238000005057 refrigeration Methods 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims description 17
- 238000003860 storage Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 7
- 230000009183 running Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000010257 thawing Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 206010013786 Dry skin Diseases 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 23
- 238000012544 monitoring process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011282 treatment 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
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
-
- 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
-
- 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
-
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D13/00—Stationary devices, e.g. cold-rooms
-
- 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
Abstract
The invention discloses a kind of air energy grain heat-dryings to refrigerate energy saving integral device, including remote monitoring center, heat pump system, drying equipment, freezer, cold air reclaimer；Cold air reclaimer includes the first air door, the second air door, cold air efferent duct, freezer air supply tube, freezer backwind tube, air inlet duct；The cold air delivery outlet of heat pump system is connect with freezer air supply tube, cold air efferent duct respectively by the first air door, and freezer air supply tube is connected between the first air door and freezer air inlet, and the first air door has the first connected state and the second connected state；The air inlet of heat pump system is connect with air inlet duct, freezer backwind tube respectively by the second air door, and freezer backwind tube is connected between the second air door and freezer return air inlet, and the second air door has third connecting state and the 4th connected state.The present invention realizes that grain heat-drying and refrigeration all-in-one disguise the design set, achievees the effect that a tractor serves several purposes by increasing cold air recyclable device to realize cold air recycling and reusing.
Description
Technical field
The present invention relates to grain heat-dryings to store low-carbon environment-friendly technical field, in particular to a kind of air energy grain heat-drying
Refrigerate energy saving integral device and its Intelligent control method.
Background technique
According to Agriculture and rural economy developing goal, grain heat-drying is as farming, sowing, harvest, drying in grain-production
Equal grains do not land the important component of input work link, are that the last one heavy workload, activity duration be short, job requirements
High working link.But, on the one hand, existing grain drying device is much or using high energy consumption, high pollution, the degree of automation
Low fire coal (fuel oil) type hot-blast stove is main heating source, and there are energy consumption height, the pollutions such as flue dust, carbon dioxide and sulfur dioxide
The problems such as object discharge is high；On the other hand, some foodstuff drying devices using clean energy resource will cause energy wave during the drying process
Take.
Granted patent ZL201210568843.2 " air energy heat cycle drying and cold air recyclable device and its temperature automatically controlled side
Method " proposes: backheat pipeline being arranged at the top of drying chamber, recycles to the waste heat toasted in drying chamber, and is carried out by dehumidifier
The dehumidifying of moist hot air, forms the air of drying, then is conveyed into air energy heat pump and carries out micro- heating, finally by hot siphunculus
Heat input drying chamber is recycled.But this patent only recycles the waste heat toasted in drying chamber, does not consider sky
The characteristics of gas energy heat pump works.According to inverse Carnot's principle, heat pump system becomes after the heat absorption in air heat and is transferred to
In foodstuff drying device, while the cold gas for losing big energy is discharged in atmosphere, and air ejector fan power need to be larger, out
Air quantity is big, causes waste of energy, and generating vibration noise influences environment.
Summary of the invention
It is an object of that present invention to provide a kind of air energy grain heat-dryings to refrigerate energy saving integral device and its Intelligent control method,
In view of needing to immediately enter freezer progress cold storing and fresh-keeping after grain heat-drying, by increasing cold air recyclable device, being done to heat pump system
Minor modifications realize that grain heat-drying and refrigeration all-in-one disguise the design set to realize cold air recycling and reusing, reach a machine
Multi-purpose effect.It can not only realize foodstuff preservation " three is low, three high " (low-loss, low pollution, low cost；High quality, high nutrition,
High benefit) target；And foodstuff preservation is driven to develop towards " ecology " " green " direction, drive clean energy resource in agricultural production
On application, promote agricultural machanization to work transformation in terms of green energy conservation emission reduction, upgrading synergy.
To reach above-mentioned purpose, in conjunction with Fig. 1, the present invention proposes a kind of air energy grain heat-drying refrigeration energy saving integral device,
Described device includes remote monitoring center, heat pump system, drying equipment, freezer, cold air reclaimer.
The freezer has freezer air inlet and freezer return air inlet.Cold air enters cool house internal from freezer air inlet, then from
Freezer is discharged in freezer return air inlet, to carry out cooling processing to the grain stored in freezer.
The drying equipment has hot air inlet and outlet port.Hot wind enters drying equipment from hot air inlet
Accommodating chamber leaves drying equipment through accommodating chamber, outlet port, to carry out drying and processing to the grain in accommodating chamber.
The heat pump system includes air inlet, hot wind delivery outlet, cold air delivery outlet, and heat pump system is by heat exchange to extract
By the thermal energy for the gas that air inlet inputs, the cold wind being discharged after heat exchange is delivered to cold air delivery outlet, hot wind is delivered to
Hot wind delivery outlet.
The hot wind delivery outlet is connected to the hot air inlet of drying equipment by a hot wind air supply tube.
In some instances, the heat pump system includes heat pump unit, evaporator, condenser, and respectively with the steaming
Hair device, condenser, heat pump unit are electrically connected to control the control of the heat pump system of heat pump unit, evaporator, condenser working state
Device.
The evaporator is configured to the gas that will enter by air inlet according to the control instruction of heat pump system controller
To cold air delivery outlet, the thermal energy of release is delivered to condenser for output after refrigeration.
The condenser is configured to the gas that will enter by air inlet according to the control instruction of heat pump system controller
To hot wind delivery outlet, the cold wind of discharge is delivered to evaporator for output after heating.
It should be appreciated that the type selecting of the heat pump system is not limited to this aforementioned one kind, as long as in fact, can be realized aforementioned
Heat exchange function is to realize that hot and cold gas separation, output can meet air energy grain heat-drying refrigeration energy conservation proposed by the invention
The demand of integrated device.
Preferably, the heat pump unit drags N-module unit using 1.N is configured according to drying power.
The heat pump system has the both of which that heats and freeze:
When heat pump system is in heating mode, heat pump system extracts the gas inputted by air inlet by heat exchange
Thermal energy, the cold wind being discharged after heat exchange is delivered to cold air delivery outlet, hot wind is delivered to hot wind delivery outlet.
When heat pump system is in refrigeration mode, heat pump system will be delivered to cold after the gas refrigeration inputted by air inlet
Gas delivery outlet.
When heat pump system works in " heating " mode, the basic function of air energy heat pump hot wind unit is the baking for grain
Dry equipment provides heat source, which can continue 24 hours uninterrupted automatic runnings, stable hot wind is provided for drying equipment；Heat
Pumping system realizes hot and cold gas separation, and the cold wind being discharged after heat-exchange system is delivered directly to freezer and refrigerates for grain
It is fresh-keeping, realize the recycling and reusing of resource.
When grain does not need to dry but also deepfreeze is needed to divulge information, " refrigeration " is switched to, at this point, the heat pump system steams
Output low temperature and low humidity cold air in hair device end is routed directly to freezer by cold air air supply tube.
Preferably, " operating mode " key is set, " heating ", " refrigeration " are intelligently realized by " operating mode " key
The utilization rate of equipment can be improved without manual operations in the switching of mode.
When the heat pump system controller is in " heating " mode, the condenser end of the heat pump system exports hot wind,
It is sent by hot wind air supply tube to drying equipment, then exhaust gas is discharged from the outlet port of drying equipment, form an open cycle system.
The evaporator end output cold air of the heat pump system is sent by the freezer air supply tube to freezer, and freezer return air inlet is again
The arrival end that evaporator described in heat pump system is transported to by freezer backwind tube ultimately forms a closed-loop system.
The cold air reclaimer includes the first air door, the second air door, cold air efferent duct, freezer air supply tube, freezer return air
Pipe, air inlet duct.
The cold air delivery outlet of the heat pump system is connect with freezer air supply tube, cold air efferent duct respectively by the first air door,
Freezer air supply tube is connected between the first air door and freezer air inlet, and the first air door has the first connected state and the second connected state
State:
When first air door is in the first connected state, the cold air delivery outlet and freezer air supply tube of heat pump system connect
Logical, when first air door is in the second connected state, the cold air delivery outlet of heat pump system is connected to extra cold air efferent duct.
As shown in Figure 1, first air door works in two states, respectively AB and AC, it, can when the first air door is in AB state
The cold air of control recycling enters freezer recycling, and when the first air door is in AC state, the extra cold air that can control recycling is logical
Excessive waste cold gas efferent duct is emitted into atmosphere or does again other utilizations.
The air inlet of the heat pump system is connect with air inlet duct, freezer backwind tube respectively by the second air door, freezer
Backwind tube is connected between the second air door and freezer return air inlet, and the second air door has third connecting state and the 4th connected state:
When second air door is in third connecting state, the air inlet of heat pump system is connected to freezer backwind tube；When
When second air door is in four connected states, the air inlet of heat pump system is connected to air inlet duct.As shown in Figure 1, institute
It states the second air door and works in two states, respectively A1B1 and A1C1, when the second air door is in A1B1 state, can control cold
The exhaust gas input heat pump system of library discharge recycles, and when the second air door is in A1C1 state, outside air can be made to can enter
Heat pump system.
In addition, refrigeration storage system is in circularly cooling when the first air door and the second air door are respectively at AB and A1B1 state
State, continuously the transporting cold-air into freezer, temperature of ice house are gradually reduced heat pump system, the thermal energy discharged during this
It is recovered to heat pump system, drying equipment is delivered to after handling via heat pump system to realize drying function, at this point, heat pump system
The heat provided for drying equipment is both from freezer.
When the first air door and the second air door are respectively at AC and A1C1 state, refrigeration storage system is in closed state, heat pump
System no longer cools down to freezer.If drying equipment starts at this time, it is defeated that heat pump system will extract the heat in outside air
It send to drying equipment to realize drying function, at this point, heat pump system is the heat that provides of drying equipment from outside air energy.
The remote monitoring center is electrically connected with heat pump system, drying equipment, freezer, cold air reclaimer respectively, with reality
Now to the remote control of air energy grain heat-drying refrigeration energy saving integral device.
About the aforementioned processing to extra cold air, one way in which be direct emission in an atmosphere, but from environmental protection and energy
Source recycles for angle, it is preferred that recycles extra cold air more preferably again.For example, extra cold air efferent duct is remote
One end from the first air door is connected to the freezer air inlet of other freezers, carries out cooling processing to other freezers, a drying is set
It is standby to dock multiple freezers, to realize the purpose maximally utilized to the cold air of recycling.
It should be appreciated that a freezer can also dock multiple drying equipments, it is contemplated that in some cases, there are freezers to make
A possibility that used time, partially desiccated equipment is deactivated, the heat generated when at this point it is possible to select freezer refrigerating are delivered to just
In the drying equipment of enabling.
The corresponding relationship of freezer and drying equipment is not unique, depends on practical application scene, essential concept is still base
Separation and recycling under the premise of the conservation of energy, to hot and cold gas.
Cold air after heat pump system freezes is high humidity, is unfavorable for grain in freezer and refrigerates, for this purpose, described in present invention proposition
It is provided with a dehumidifier between first air door and freezer air inlet, dehumidifying pretreatment is carried out to the cold air after heat pump system refrigeration,
It is delivered to freezer again.
It should be appreciated that the position of dehumidifier is not limited to this aforementioned one kind, such as also can be set in cold air delivery outlet
To between the first air door etc..From the purpose of dehumidifying, it is arranged between the first air door and freezer air inlet also with as follows
Advantage: when freezer does not need cold air, the cold air of cold air equipped at outlet port directly will be emitted into atmosphere by extra cold air efferent duct
In or make other utilizations, be possible to not need at this time to carry out dehumidification treatments, direct emission to this part cold air, that is, such feelings
Under condition, without starting dehumidifier, loss is reduced.
Preferably, air inlet Temperature Humidity Sensor group is provided between first air door and dehumidifier.The air inlet
Temperature Humidity Sensor group real-time monitoring heat pump system evaporator will be delivered to the temperature and humidity of the cold air of freezer, and dehumidifier target is wet
Degree is as control object.
Likewise, the position of air inlet Temperature Humidity Sensor group is also not limited to herein, also can be set in such as cold air
Delivery outlet can do the adjustment of installation site between the first air door etc. with topology layout according to actual needs.
Return air inlet Temperature Humidity Sensor group is provided at the freezer return air inlet, the return air inlet Temperature Humidity Sensor group is real
When monitoring freezer return air inlet at gas temperature and humidity value, freezer target temperature is as control object.
In conjunction with Fig. 2, in other examples, the cold air reclaimer further includes intelligent adjusting controller.
The intelligence adjusting controller includes temperature and humidity self-adjustment module, airdoor control output channel, communicating circuit, with
And the MCU control circuit being electrically connected respectively with temperature and humidity self-adjustment module, airdoor control output channel, communicating circuit.
The airdoor control output channel includes first passage and second channel, is respectively connected to the first air door and the second wind
Door.
The MCU control circuit also with dehumidifier, air inlet Temperature Humidity Sensor group, return air inlet Temperature Humidity Sensor group,
Heat pump system electrical connection.
When the operating mode of heat pump system selects " heating ", this operating mode is fed back into intelligent control by communicating circuit
Device processed, intelligent controller are started to work.
Specifically, to be configured to real-time reception air inlet Temperature Humidity Sensor group, return air inlet warm and humid for the MCU control circuit
The detection result of sensor group feedback is spent, based on the received detection result, in conjunction with temperature and humidity self-adjustment module, to adjust dehumidifying
The running parameter of device, heat pump system.
The temperature and humidity self-adjustment module follows rule control as follows:
According to conservation of energy principle, the energy of evaporator end and the energy of condenser end are equal.In the present invention, described cold
Library is a closed-loop system, and the drying equipment is open cycle system, therefore the energy wanted of baking needed will be far longer than the energy of freezer
Amount, the present invention propose that the heat pump system can obtain energy from atmospheric environment, with supply baking process and refrigeration process it
Between energy difference.
A, start-up operation phase: the first air door and the second air door are respectively at AC, A1C1 state, and cool house internal starts to carry out
Circularly cooling, at this point, heat pump system is that the heat that drying equipment provides comes from freezer.
B, when the temperature of freezer reaches setting refrigerated storage temperature: cold air is not needed at this time, and is stopped to freezer transporting cold-air,
At this point, the first air door and the second air door are in AB, A1B1 state；Meanwhile drying equipment still needs heat, at this moment heat pump system
Evaporator be in drying outer circulation, extract atmospheric environment in air can provide heat supplement for drying equipment.
C, when the temperature of freezer is lower than early warning temperature, heat pump system work efficiency drop stops to freezer transporting cold-air,
At this point, the first air door and the second air door are in AB, A1B1 state；Intelligent adjusting controller is by communicating circuit into long-range monitoring
The heart carries out early warning.Preferably, early warning temperature is lower than setting refrigerated storage temperature.
D, when heat pump system works in defrosting work shape, stop to freezer transporting cold-air, at this point, the first air door and the second wind
Door is in AB, A1B1 state；Heat pump system controller and/or intelligent adjusting controller pass through communicating circuit to remote monitoring center
Carry out early warning.
In the case of latter two, after remote monitoring center is connected to early warning, human intervention is carried out to whole device by staff.
In conjunction with Fig. 3, energy saving integral device is refrigerated based on aforementioned air energy grain heat-drying, the present invention further mentions a kind of air energy
The Intelligent control method of grain heat-drying refrigeration energy saving integral device, which comprises
By remote monitoring center be arranged described device operating mode, the operating mode include at least drying equipment and
Setting result is sent to heat pump system, freezer, drying equipment and cold air recycling and set by the running parameter of freezer, remote monitoring center
It is standby:
If 1) drying equipment does not start, heat pump system switches to refrigeration mode, Xiang Lengku transporting cold-air, and the first air door is cut
The first connected state is shifted to, the second air door switches to third connecting state, and cold air reclaimer does not work.
If 2) drying equipment starts, heat pump system switches to heating mode, and cold air reclaimer is started to work.
Wherein, if the drying equipment starts, heat pump system switches to heating mode, and cold air reclaimer is started to work
Refer to,
The starting of intelligent adjusting controller, acquire in real time freezer real time temperature that return air inlet Temperature Humidity Sensor group detects and
The real time temperature and real-time humidity for the cold air equipped at outlet port gas that air inlet Temperature Humidity Sensor group detects:
If 1) freezer real time temperature is higher than setting refrigerated storage temperature, the first air door is switched to first by intelligent adjusting controller
Connected state, the second air door switch to third connecting state, and freezer is configured to circularly cooling mode, discharges in process of refrigerastion
Heat is delivered to drying equipment after heat pump system extracts.
If 2) freezer real time temperature reaches setting refrigerated storage temperature, the first air door is switched to second by intelligent adjusting controller
Connected state, the second air door switch to the 4th connected state, and freezer is configured to closed mode, and heat pump system is inputted by air
The heat that pipe extracts in outside air is delivered to drying equipment.
If 3) real-time humidity of cold air equipped at outlet port gas is greater than setting humidity, intelligent adjusting controller drives dehumidifier
It starts to work.
4) when freezer real time temperature is in defrosting operating condition lower than early warning temperature and/or heat pump system, intelligence adjusts control
First air door is switched to the second connected state by device, the second air door switches to the 4th connected state, closes freezer, and by logical
It interrogates circuit and sends warning information to remote monitoring center.
The above technical solution of the present invention, compared with existing, significant beneficial effect is:
1) present invention, which carries out local minor modifications upgrading to air energy drying equipment, can be realized grain heat-drying and refrigeration one
Body disguises the design set, and achievees the effect that a tractor serves several purposes, realizes the purpose of cold air Resource recovery cycling and reutilization.
2) present invention is by increasing an intelligent adjusting controller to the drying equipment based on air energy thermal pumping system
The purpose of whole-process automatic control is realized on original engineering foundation, upgrading is convenient.
3) cold air caused by air energy heat pump of the present invention is recycled, and is used into grain cold storing and fresh-keeping, environmental protection
Safety, can be improved exhaust gas utilization rate.
It should be appreciated that as long as aforementioned concepts and all combinations additionally conceived described in greater detail below are at this
It can be viewed as a part of the subject matter of the disclosure in the case that the design of sample is not conflicting.In addition, required guarantor
All combinations of the theme of shield are considered as a part of the subject matter of the disclosure.
Can be more fully appreciated from the following description in conjunction with attached drawing present invention teach that the foregoing and other aspects, reality
Apply example and feature.The features and/or benefits of other additional aspects such as illustrative embodiments of the invention will be below
Description in it is obvious, or learnt in practice by the specific embodiment instructed according to the present invention.
Detailed description of the invention
Attached drawing is not intended to drawn to scale.In the accompanying drawings, identical or nearly identical group each of is shown in each figure
It can be indicated by the same numeral at part.For clarity, in each figure, not each component part is labeled.
Now, example will be passed through and the embodiments of various aspects of the invention is described in reference to the drawings, in which:
Fig. 1 is the structural schematic diagram of air energy grain heat-drying refrigeration energy saving integral device of the invention.
Fig. 2 is Cold Storage Control schematic diagram of the invention.
Fig. 3 is the Intelligent control method flow diagram of air energy grain heat-drying refrigeration energy saving integral device of the invention.
Specific embodiment
In order to better understand the technical content of the present invention, special to lift specific embodiment and institute's accompanying drawings is cooperated to be described as follows.
In conjunction with Fig. 1, the present invention proposes a kind of air energy grain heat-drying refrigeration energy saving integral device, and described device includes long-range
Monitoring center 50, heat pump system 10, drying equipment 20, freezer 30, cold air reclaimer.
The freezer 30 has freezer air inlet 31 and freezer return air inlet 32.
The drying equipment 20 has hot air inlet 21 and outlet port 22.
The heat pump system 10 includes air inlet 13, hot wind delivery outlet 14, cold air delivery outlet 15, and heat pump system 10 passes through heat
It exchanges to extract the thermal energy of the gas inputted by air inlet 13, the cold wind being discharged after heat exchange is delivered to cold air delivery outlet
15, hot wind is delivered to hot wind delivery outlet 14.
The hot wind delivery outlet 14 is connected to the hot air inlet of drying equipment 20 by a hot wind air supply tube 81.
Specifically, the heat pump system 10 include heat pump unit, evaporator 12, condenser 11, and respectively with the steaming
Hair device 12, condenser 11, heat pump unit are electrically connected to control the heat pump of heat pump unit, evaporator 12,11 working condition of condenser
System controller 16.
The evaporator 12 is configured to be entered by air inlet 13 according to the control instruction of heat pump system controller 16
Gas refrigeration after output to cold air delivery outlet 15, the thermal energy of release is delivered to condenser 11.
The condenser 11 is configured to be entered by air inlet 13 according to the control instruction of heat pump system controller 16
Gas heating after output to hot wind delivery outlet 14, the cold wind of discharge is delivered to evaporator 12.
The cold air reclaimer include the first air door 41, the second air door 42, cold air efferent duct 43, freezer air supply tube 44,
Freezer backwind tube 45, air inlet duct 46.
The cold air delivery outlet 15 of the heat pump system 10 is exported with freezer air supply tube 44, cold air respectively by the first air door 41
Pipe 43 connects, and freezer air supply tube 44 is connected between the first air door 41 and freezer air inlet 31, and the first air door 41 has first to connect
Logical state and the second connected state.
When first air door 41 is in the first connected state, the cold air delivery outlet 15 and freezer of heat pump system 10 are blown
Pipe 44 be connected to, when second air door 42 is in the second connected state, the cold air delivery outlet 15 of heat pump system 10 with it is extra cold
Gas efferent duct 82 is connected to.
The air inlet 13 of the heat pump system 10 by the second air door 42 respectively with air inlet duct 46, freezer backwind tube 45
Connection, freezer backwind tube 45 are connected between the second air door 42 and freezer return air inlet 32, and the second air door 42 has third connecting shape
State and the 4th connected state:
When second air door 42 is in third connecting state, the air inlet 13 and freezer backwind tube 45 of heat pump system 10
Connection；When second air door 42 is in four connected states, the air inlet 13 and air inlet duct 46 of heat pump system 10 connect
It is logical.
The remote monitoring center 50 is electrically connected with heat pump system 10, drying equipment 20, freezer 30, cold air reclaimer respectively
It connects.
In conjunction with Fig. 2, the cold air reclaimer further includes intelligent adjusting controller.
The intelligence adjusting controller includes temperature and humidity self-adjustment module 472, airdoor control output channel, communication electricity
Road, and the MCU control electricity being electrically connected respectively with temperature and humidity self-adjustment module 472, airdoor control output channel, communicating circuit
Road 471.
The airdoor control output channel includes first passage and second channel, is respectively connected to the first air door 41 and second
Air door 42.
The MCU control circuit 471 is also passed with dehumidifier 70, air inlet Temperature Humidity Sensor group 61, return air inlet temperature and humidity
Sensor group 62, heat pump system 10 are electrically connected.
When not needing starting drying equipment 20, heat pump system 10 is selected to work in " refrigeration " by remote monitoring center 50
Mode, heat pump system controller 16 receive the order for working in " refrigeration " mode by communicating circuit, and Xiang Lengku 30 conveys cold
Gas, the first air door 41 switch to the first connected state, and the second air door 42 switches to third connecting state, and freezer 30 is in circulation system
Cold state, intelligent adjusting controller do not work.
Preferably, the first air door 41, the second air door 42 original state be the first connected state and third connecting state.
When needing to start drying equipment 20, heat pump system 10 is selected to work in " heating " mould by remote monitoring center 50
Formula, heat pump system controller 16 is received by communicating circuit work in the order of " heating " mode after, intelligent adjusting controller
It starts to work.
After intelligent adjusting controller receives work order, 61 real-time monitoring heat pump system of air inlet Temperature Humidity Sensor group
It unites the cold air temperature and humidity of 10 evaporator, 12 end outlet, dehumidifier is started to work；Meanwhile 32 Temperature Humidity Sensor of freezer return air inlet
62 real-time monitoring freezers 30 of group, and according to the working condition of return air inlet temperature value control the first air door 41 and the second air door 42.Tool
Body:
A, when 30 real time temperature of freezer is not up to sets requirement: the first air door 41 and the second air door 42 be respectively at AC,
A1C1 state carries out circularly cooling inside freezer 30, at this point, heat pump system 10 is the heat that provides of drying equipment 20 from freezer
30。
B, when the temperature of freezer 30 reaches sets requirement: cold air is not needed at this time, and is stopped to 30 transporting cold-air of freezer,
At this point, the first air door 41 and the second air door 42 are in AB, A1B1 state；Meanwhile drying equipment 20 still needs heat, it is at this moment hot
The evaporator 12 of pumping system 10 is in drying outer circulation, and heat benefit can be provided for drying equipment 20 by extracting the air in atmospheric environment
It fills.
C, when the temperature of freezer 30 is lower than early warning temperature, such as -3 when spending, 10 work efficiency drop of heat pump system, stop to
30 transporting cold-air of freezer, at this point, the first air door 41 and the second air door 42 are in AB, A1B1 state；Intelligent adjusting controller passes through
Communicating circuit carries out early warning to remote monitoring center 50.
D, when heat pump system 10 works in defrosting work shape, stop to 30 transporting cold-air of freezer, at this point, 41 He of the first air door
Second air door 42 is in AB, A1B1 state；Heat pump system controller 16 and/or intelligent adjusting controller are by communicating circuit to remote
Range monitoring center 50 carries out early warning.
Various aspects with reference to the accompanying drawings to describe the present invention in the disclosure, shown in the drawings of the embodiment of many explanations.
Embodiment of the disclosure need not be defined on including all aspects of the invention.It should be appreciated that a variety of designs and reality presented hereinbefore
Those of apply example, and describe in more detail below design and embodiment can in many ways in any one come it is real
It applies, this is because conception and embodiment disclosed in this invention are not limited to any embodiment.In addition, disclosed by the invention one
A little aspects can be used alone, or otherwise any appropriately combined use with disclosed by the invention.
Although the present invention has been disclosed as a preferred embodiment, however, it is not to limit the invention.Skill belonging to the present invention
Has usually intellectual in art field, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations.Cause
This, the scope of protection of the present invention is defined by those of the claims.
Claims (10)
1. a kind of air energy grain heat-drying refrigerates energy saving integral device, which is characterized in that described device include remote monitoring center,
Heat pump system, drying equipment, freezer, cold air reclaimer；
The freezer has freezer air inlet and freezer return air inlet；
The drying equipment has hot air inlet and outlet port；
The heat pump system includes air inlet, hot wind delivery outlet, cold air delivery outlet, and heat pump system is passed through by heat exchange with extracting
The thermal energy of the gas of air inlet input, is delivered to cold air delivery outlet for the cold wind being discharged after heat exchange, hot wind is delivered to hot wind
Delivery outlet；
The hot wind delivery outlet is connected to the hot air inlet of drying equipment by a hot wind air supply tube；
The cold air reclaimer includes the first air door, the second air door, cold air efferent duct, freezer air supply tube, freezer backwind tube, sky
Gas input pipe；
The cold air delivery outlet of the heat pump system is connect with freezer air supply tube, cold air efferent duct respectively by the first air door, freezer
Air supply tube is connected between the first air door and freezer air inlet, and the first air door has the first connected state and the second connected state:
When first air door is in the first connected state, the cold air delivery outlet of heat pump system is connected to freezer air supply tube, when
When first air door is in the second connected state, the cold air delivery outlet of heat pump system is connected to extra cold air efferent duct；
The air inlet of the heat pump system is connect with air inlet duct, freezer backwind tube respectively by the second air door, freezer return air
Pipe is connected between the second air door and freezer return air inlet, and the second air door has third connecting state and the 4th connected state:
When second air door is in third connecting state, the air inlet of heat pump system is connected to freezer backwind tube；When described
When second air door is in four connected states, the air inlet of heat pump system is connected to air inlet duct；
The remote monitoring center is electrically connected with heat pump system, drying equipment, freezer, cold air reclaimer respectively.
2. air energy grain heat-drying according to claim 1 refrigerates energy saving integral device, which is characterized in that first wind
A dehumidifier is provided between door and freezer air inlet.
3. air energy grain heat-drying according to claim 2 refrigerates energy saving integral device, which is characterized in that first wind
Air inlet Temperature Humidity Sensor group is provided between door and dehumidifier；
Return air inlet Temperature Humidity Sensor group is provided at the freezer return air inlet.
4. air energy grain heat-drying according to claim 3 refrigerates energy saving integral device, which is characterized in that the cold air returns
Receiving unit further includes intelligent adjusting controller；
The intelligence adjusting controller includes temperature and humidity self-adjustment module, airdoor control output channel, communicating circuit, Yi Jifen
The MCU control circuit not being electrically connected with temperature and humidity self-adjustment module, airdoor control output channel, communicating circuit；
The airdoor control output channel includes first passage and second channel, is respectively connected to the first air door and the second air door；
The MCU control circuit also with dehumidifier, air inlet Temperature Humidity Sensor group, return air inlet Temperature Humidity Sensor group, heat pump
System electrical connection；
The MCU control circuit is configured to real-time reception air inlet Temperature Humidity Sensor group, return air inlet Temperature Humidity Sensor group
The detection result of feedback, detection result is based on the received to adjust the running parameter of dehumidifier, heat pump system.
5. air energy grain heat-drying according to claim 1 refrigerates energy saving integral device, which is characterized in that the heat pump system
System includes heat pump unit, evaporator, condenser, and respectively with the evaporator, condenser, heat pump unit electrical connection to control
Heat pump unit, evaporator, condenser working state heat pump system controller；
The evaporator is configured to the gas refrigeration that will enter by air inlet according to the control instruction of heat pump system controller
After export to cold air delivery outlet, the thermal energy of release is delivered to condenser；
The condenser is configured to be heated the gas entered by air inlet according to the control instruction of heat pump system controller
After export to hot wind delivery outlet, the cold wind of discharge is delivered to evaporator.
6. air energy grain heat-drying according to claim 5 refrigerates energy saving integral device, which is characterized in that the heat pump machine
Group drags N-module unit using 1.
7. air energy grain heat-drying according to claim 1 refrigerates energy saving integral device, which is characterized in that the heat pump system
System has the both of which that heats and freeze:
When heat pump system is in heating mode, heat pump system extracts the heat of the gas inputted by air inlet by heat exchange
Can, the cold wind being discharged after heat exchange is delivered to cold air delivery outlet, hot wind is delivered to hot wind delivery outlet；
When heat pump system is in refrigeration mode, it is defeated that heat pump system will be delivered to cold air after the gas refrigeration inputted by air inlet
Outlet.
8. a kind of Intelligent control method of air energy grain heat-drying refrigeration energy saving integral device, which is characterized in that the method packet
It includes:
The operating mode of described device is set by remote monitoring center, and the operating mode includes at least drying equipment and freezer
Running parameter, remote monitoring center by be arranged result be sent to heat pump system, freezer, drying equipment and cold air reclaimer:
If drying equipment does not start, heat pump system switches to refrigeration mode, Xiang Lengku transporting cold-air, and the first air door switches to
One connected state, the second air door switch to third connecting state, and cold air reclaimer does not work；
If drying equipment starts, heat pump system switches to heating mode, and cold air reclaimer is started to work.
9. the Intelligent control method of air energy grain heat-drying refrigeration energy saving integral device according to claim 8, feature
It is, if the drying equipment starts, heat pump system switches to heating mode, and the start-up operation of cold air reclaimer refers to,
Intelligent adjusting controller starting acquires freezer real time temperature and air inlet that return air inlet Temperature Humidity Sensor group detects in real time
The real time temperature and real-time humidity for the cold air equipped at outlet port gas that mouth Temperature Humidity Sensor group detects:
If 1) freezer real time temperature is higher than setting refrigerated storage temperature, the first air door is switched to the first connection by intelligent adjusting controller
State, the second air door switch to third connecting state, and freezer is configured to circularly cooling mode, the heat discharged in process of refrigerastion
Drying equipment is delivered to after heat pump system extracts；
If 2) freezer real time temperature reaches setting refrigerated storage temperature, the first air door is switched to the second connection by intelligent adjusting controller
State, the second air door switch to the 4th connected state, and freezer is configured to closed mode, and heat pump system is mentioned by air inlet duct
The heat in outside air is taken to be delivered to drying equipment；
If 3) real-time humidity of cold air equipped at outlet port gas is greater than setting humidity, intelligent adjusting controller driving dehumidifier starts
Work.
10. the Intelligent control method of air energy grain heat-drying refrigeration energy saving integral device according to claim 9, feature
It is, if the drying equipment starts, heat pump system switches to heating mode, and cold air reclaimer is started to work further include:
When freezer real time temperature is in defrosting operating condition lower than early warning temperature and/or heat pump system, intelligent adjusting controller is by the
One air door switches to the second connected state, the second air door switches to the 4th connected state, closes freezer, and pass through communicating circuit
Warning information is sent to remote monitoring center.
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| CN201910110798.8A CN109682201B (en) | 2019-02-12 | 2019-02-12 | Air energy grain drying, refrigerating and energy-saving integrated device and intelligent control method thereof |
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Cited By (1)
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| CN111351324A (en) * | 2020-04-09 | 2020-06-30 | 青岛科技大学 | Energy-saving drying and refrigerating system |
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