CN107255412A - A kind of heat pump drying device and its application method - Google Patents
A kind of heat pump drying device and its application method Download PDFInfo
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- CN107255412A CN107255412A CN201710441910.7A CN201710441910A CN107255412A CN 107255412 A CN107255412 A CN 107255412A CN 201710441910 A CN201710441910 A CN 201710441910A CN 107255412 A CN107255412 A CN 107255412A
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- drying
- temperature
- air
- adjusting device
- heat exchanger
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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
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
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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
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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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
- F25B41/00—Fluid-circulation arrangements
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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
- F26B21/10—Temperature; Pressure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a kind of heat pump drying device and its application method, the heat pump drying device includes heat pump cycle subsystem and drying cycles subsystem；Compressor, calorie adjusting device, condenser, throttling element, evaporator, precool heat exchanger device are connected by pipeline and constitute heat pump cycle subsystem；Drying cycles subsystem includes hothouse, air channel, drying air fan；Drying air fan, precool heat exchanger device, evaporator and condenser are installed in air channel or its inlet and outlet is connected with front and rear air channel respectively；Temperature sensor and humidity sensor are installed in described hothouse or air channel adjacent thereto.The present invention solves the problems such as few, the dry scope of application of existing drying device function is small, energy consumption is big, it is big to damage, discharge is big, realize the diversity of drying system function, high efficiency, expand the scope of application, reduce dried object damage and waste gas discharge, and improve flexibility and the reliability of heat pump.
Description
Technical field
The present invention relates to a kind of drying device and drying means, and in particular to a kind of heat pump drying device and its user
Method.
Background technology
Drying device common in the art is divided into electrical drying device and heat pump drying device, and drying device often should
Field is dried for clothes, material, chemical industry, food or farming, forestry, animal husbandry, sideline production and fishery product etc..And existing drying device and its drying side
Generally there are the following problems for method：Usually rely on firing equipment and object is dried again after high temperature is heated into air, it dries
Dry gas stream temperature is high, function is single, it is impossible to which the characteristic according to dried object uses diversified drying means, dried object is easily damaged,
It is rotten, scope of application very little is dried, generally also needs to discharge substantial amounts of waste gas and used heat, energy consumption is big, drying efficiency is low, easily pollution
Environment, and the adaptability that common Analysis of Heat Pump Drying System changes to drying process is small, and liquid hit phenomenon, shadow easily occur for compressor
The reliability of acoustic system.
The air in drying cycles system, system is usually provided with existing heat pump drying device in heat pump circulating system
Condenser heated after form high-temperature gas, high-temperature gas enters back into hothouse and carries out drying dehumidification to dried object, does
The hot and humid air that dry room comes out be sent back to again at evaporator carry out cooling analysis it is wet, then air is heated by condenser again,
And send into hothouse, so circulation completes drying work；During drying cycle, due to compressor persistently does work and constantly
The air-flow in newly-increased heat, drying cycles system is provided to drying cycles system therefore constantly assembles newly-increased heat and lasting liter
Temperature, in this case, the gas flow temperature after condenser comes out can progressively rise get Geng Gao, can not only influence the efficiency of heat pump
It is also easy to damage dried object with normal work and high temperature gas flow.Technology is partially improved, in above-mentioned drying cycles system-based
Add an exhaust outlet and air inlet, when dry indoor temperature it is too high when, can be by heat extraction mouthful by hot and humid air-flow
Drying cycles system is discharged, and new air is supplemented from air inlet, the phenomenon of dry hyperthermia and superheating can be so reduced, but this changed
Entering technology but needs external environment to discharge a large amount of high-temp waste gas, and energy consumption is big, drying efficiency is low, also easily pollutes environment.
Patent CN201210129002.1 discloses a kind of heat pump clothes dryer control method and heat pump clothes dryer, including with
Compressor, main condenser, the heat pump module of throttling arrangement and evaporator, in addition to auxiliary condenser and for auxiliary condenser
Cool to adjust the auxiliary condensation fan of load with compressor surface；The mechanism of the heat pump clothes dryer dry technology is according to humidity
Drying process is divided into first stage and second stage by detection case, and two stage differences essentially consist in the change of evaporating temperature
Change, wherein, the evaporating temperature requirement in rear stage is less than the evaporating temperature of last stage, and according to detection main condenser in each drying rank
The temperature spot of section determines whether to enter second stage, by starting auxiliary condenser causes second stage evaporating temperature indirectly
Reduction.The patented technology is can be seen that except drying process divide into two stages from the technology mechanism of above-mentioned patent, and
Set outside different evaporating temperatures, substantially still followed the high temperature drying technology of routine, the technology fails to solve conventional drying
Above mentioned problem present in technology.Moreover, the auxiliary condenser described in the patent is connected to behind condenser, in heat pump cycle
The refrigerant of compressor discharge is introduced into condenser and cooled down, and the temperature of the refrigerant after cooling has declined many, its with
Outside air does not have under the obvious temperature difference, this state, and the liquid refrigerant after cooling enters back into auxiliary condenser, even if auxiliary
Condenser is in opening, and the heat-sinking capability of auxiliary condenser also becomes very little, the so working condition to heat pump
Take less than obvious adjustment effect, be also fitted without forecooler in the technology in addition, if heat pump working conditions change is big, flow into
The refrigerant change of evaporator also causes greatly, easily refrigerant to be evaporated in evaporator not exclusively and cause compressor to return liquid and damage
Ruin, thus the patented technology does not possess the multifarious ability of functions/drying.
The content of the invention
To solve the above problems, the present invention is intended to provide a kind of heat pump drying device and its drying means, dry for increasing
The variation of dry function, expands and dries the scope of application, improves the damage of drying efficiency, reduction to dried object, and improve heat pump system
The flexibility of system and the purpose of reliability.
The present invention concrete technical scheme be：A kind of heat pump drying device, the heat pump drying device includes heat pump cycle
System and drying cycles subsystem；Heat pump cycle subsystem includes compressor, calorie adjusting device, condenser, throttling element, evaporation
Device, precool heat exchanger device and associated pipe part；Drying cycles subsystem includes hothouse, air channel, drying air fan；It is characterized in that：
By pipeline fitting by compressor, calorie adjusting device, condenser, throttling element, evaporator, precool heat exchanger device import and export phase successively
Even, precool heat exchanger device outlet is connected with compressor air suction mouthful, forms heat pump cycle subsystem refrigerant circulation loop；Hothouse
Air inlet and air outlet are connected with corresponding air channel respectively, and drying air fan is installed in air channel or drying air fan inlet and outlet difference
It is connected with front and rear air channel, forms drying cycles subsystem air circulation loop；Precool heat exchanger device, evaporator, condenser are also installed
In in air channel or respective inlet and outlet is connected with front and rear air channel respectively；Installed in described hothouse or air channel adjacent thereto
There are temperature sensor and humidity sensor.
Further, described calorie adjusting device be include air adjustment heat exchanger and regulation blower fan composition air it is cold
But formula calorie adjusting device or be to include the Water cooling type heat of water cooling type heat exchanger, water pump and pipe fitting and outside water route composition
Quantity regulating device, or be include transpiration-cooled heat exchanger, liquid distributor, filler, regulation blower fan, water-accepting basin, water pump, pipe fitting and
The transpiration-cooled calorie adjusting device of water pipe composition.
Further, described air-cooled type calorie adjusting device, including regulation blower fan and air adjustment heat exchanger, institute
The regulation blower fan stated is multi gear blower fan or speed-changing draught fan；Described air adjustment heat exchanger follows for single heat exchanger or with heat pump
Condenser in loop subsystems shares same air-cooled type heat exchanger；When using shared same air-cooled type heat exchanger
During scheme, by dividing plate by the air circulation side of common heat exchanger be separated into two parts, the ratio of the two according to design heat exchange
Amount needs are determined, in this way, separation being divided into the heat exchanger for two parts, a portion conduct for passing through air side
Condenser in the heat pump cycle subsystem is used, and is arranged in the air channel, and another part is cooled down as the air
Air adjustment heat exchanger in formula calorie adjusting device is used, and is arranged at outside the air channel；Refrigerant inlet, which is located at, to be used as
The side of air adjustment heat exchanger, and be connected by pipeline with exhaust outlet of compressor, refrigerant outlet is located at as condenser
Side, and be connected by pipeline with throttling element.
Further, the device also includes water receiving disc apparatus and dedusting filter, and water receiving disc apparatus is arranged in evaporator
With the lower section of precool heat exchanger device；Dedusting filter is installed on the air channel between hothouse outlet and precool heat exchanger device.
Further, described hothouse is fixed, vibrating type, roller or rotational structure.
Further, described condenser, evaporator, precool heat exchanger device be respectively and independently separated, both parallel combinations or three
Person's parallel combinations, and on dry gas stream direction, precool heat exchanger device is located at upstream, evaporator and is located at precool heat exchanger device and condenser
Between be sequentially arranged.
The drying means of heat pump drying device includes high temperature drying method of work, first presets the drying work temperature of a high temperature
Scope is spent, by adjusting air quantity, water-carrying capacity or compressor work amount so that the heat dissipation capacity of calorie adjusting device external environment is small
In the amount of work of compressor, promote the gas flow temperature of hothouse to rise in the values of high temperature, in drying process, pass through
Temperature sensor monitors the temperature in hothouse in real time, when the temperature of hothouse is higher than the temperature range higher limit set, increases
Big calorie adjusting device is to outside heat dissipation capacity so that calorie adjusting device is more than the acting of compressor to outside heat dissipation capacity
Amount, drying temperature is gradually decrease to values, when temperature is less than the temperature range lower limit of setting, reduces heat regulation
Device is to outside heat dissipation capacity so that calorie adjusting device is less than the amount of work of compressor, drying temperature to outside heat dissipation capacity
Values are gradually increased to, in this way, by lasting detection and control, by drying temperature control in predetermined high temperature range
Work, when humidity sensor, which detects humidity in air-flow, is less than the humidity requirement of setting, drying device is stopped.
The drying means of heat pump drying device includes similar air drying method of work, and first a default similar normal temperature is dry
Dry operating temperature range, by adjusting air quantity, water-carrying capacity or compressor operating amount so that calorie adjusting device is to outside radiating
Amount is suitable with the amount of work of compressor, promotes the gas flow temperature in hothouse in the range of similar normal temperature, in drying process, leads to
Excess temperature sensor monitors the temperature in hothouse in real time, when the temperature of hothouse is higher than the temperature range higher limit set,
Increase calorie adjusting device to outside heat dissipation capacity so that calorie adjusting device is more than the acting of compressor to outside heat dissipation capacity
Amount, drying temperature is gradually decrease to values, when temperature is less than the temperature range lower limit of setting, reduces heat regulation
Device is to outside heat dissipation capacity so that calorie adjusting device is less than the amount of work of compressor, drying temperature to outside heat dissipation capacity
Values are gradually increased to, in this way, by lasting detection and control, promoting the temperature in hothouse in the model of similar normal temperature
Interior work is enclosed, when the humidity sensor of hothouse, which detects humidity in air-flow, is less than the humidity requirement of setting, dress is dried
Put and be stopped.
The drying means of heat pump drying device includes low temperature drying method of work, first presets the drying work temperature of a low temperature
Scope is spent, by adjusting air quantity, water-carrying capacity or compressor operating amount so that calorie adjusting device is more than pressure to outside heat dissipation capacity
The amount of work of contracting machine, promotes the gas flow temperature in hothouse to be reduced to the predetermined range of low temperature drying；In drying process, pass through
Temperature sensor monitors the temperature in hothouse in real time, and when drying temperature higher limit of the temperature higher than setting, increase heat is adjusted
Regulating device is to outside heat dissipation capacity so that regulation calorie adjusting device is more than the amount of work of compressor, temperature to outside heat dissipation capacity
Degree be gradually lowered in values, when temperature be less than setting drying temperature lower limit when, reduce calorie adjusting device to
Outside heat dissipation capacity so that calorie adjusting device is less than the amount of work of compressor to outside heat dissipation capacity, temperature is gradually increased to
In values, during, if detecting evaporator surface has obvious frosting, compressor break-off passes through dry wind
Continuing to run with for machine is defrosted, and completes to restart after defrosting compressor into low temperature drying work, in this way, passing through lasting detection
With control, dry air temperature control is worked in predetermined low temperature range, until humidity sensor is detected in air-flow
When humidity is less than the humidity requirement of setting, drying device is stopped.
The drying means of heat pump drying device includes multi-temperature stage by stage and dries method of work, by high temperature dry processes, class
Characteristic or drying like two in air drying method, low temperature drying method or the method for work of more than two according to dried object
The requirement of efficiency and combine, in the drying process stage by stage use different drying means, in different various work sides
In method, by adjusting the difference between the outside heat dissipation capacity of calorie adjusting device and compressor work amount so that drying cycles subsystem
The gas flow temperature in air channel reaches the scope of high temperature, similar normal temperature or low temperature predetermined value in system；And monitored in real time by temperature sensor
Temperature in hothouse, when temperature is higher than the drying temperature higher limit that corresponding method is set, increase calorie adjusting device is outside
Heat dissipation capacity so that the outside heat dissipation capacity of calorie adjusting device is more than the amount of work of compressor, temperature is gradually lowered to preset value model
In enclosing, when temperature is less than the drying temperature lower limit that corresponding method is set, reduce the outside heat dissipation capacity of calorie adjusting device so that
The heat dissipation capacity for adjusting calorie adjusting device is less than the amount of work of compressor, and temperature is gradually increased in values, in this way, logical
Persistently Detection ＆ Controling are crossed, dry air temperature control by stages is worked within the scope of predetermined temperature, passed until when humidity
When the humidity that sensor detects in air-flow is less than the humidity requirement of setting, drying device is stopped.
The present invention can solve that existing drying device function is few, dry the scope of application is small, energy consumption big, it is big to damage, discharge is big etc.
Problem, realizes the diversity of drying system function, high efficiency, expands the scope of application, reduces dried object and damage and waste gas
Discharge, and improve flexibility and the reliability of heat pump.Beneficial effects of the present invention are specific as follows：
1st, heat pump drying device and its application method of the invention have the diversity and high efficiency of functions/drying, are applicable model
Enclose damage wide, that reduction is to dried object.Because the refrigerant gas temperature that compressor discharges high temperature is high, with extraneous air have compared with
The big temperature difference, thus described calorie adjusting device must connect with exhaust outlet of compressor, in this way, calorie adjusting device just has
Bigger heat regulation effect, it is ensured that the characteristics of heat pump drying device and its application method of the invention has functional diversity,
By controlling the difference between the outside heat dissipation capacity of calorie adjusting device and compressor work amount, change drying cycles subsystem empty
The caloric receptivity and thermal discharge of gas, that is, can be achieved high temperature drying, similar air drying, low temperature drying or many temperature dry four kinds stage by stage
Diversified dry work characteristics, in this way, improving the diversity of drying device function, expands being applicable for drying device above
Scope and flexibility, do present embodiments can apply to the drying field of high temperature (such as resistant to elevated temperatures clothing, crops), similar normal temperature
Dry field (being such as adapted to food, fruit, seed, the medicinal material dried under similar normal temperature), low temperature drying field are (if desired for fresh-keeping
Meat, veterinary antibiotics etc.) or temperature-resistant dry field (such as chemical materials, construction material, clothing).In addition, root
The characteristics of according to dried object difference, selects different drying modes, reduces damage of the drying process to dried object, and improve dry effect
Rate.
2nd, the discharge of heat pump drying device and its application method without waste gas of the invention, effect on environment is small.Due to this hair
The air-flow of drying cycles subsystem in bright heat pump drying device belongs to closed cycle at work, except calorie adjusting device root
According to needs outside the externally discharged environment of partial heat, other parts there is no the discharge of waste gas, used heat in the course of work,
It is small to external environment influence.
3. the heat pump drying device and its application method of the present invention improve modulability and the flexibility of heat pump.Pass through heat
Quantity regulating device changes the caloric receptivity and thermal discharge of drying cycles subsystem air, and then adjusts the temperature of the air in circulation air path
Degree, regulation sensitivity is high, and governing speed is fast, adapts to change requirement of a variety of drying means for temperature, and cause in circulation
Part maintain normal operating temperature, suppression causes overload of compressor to show due to the temperature and hypertonia of refrigerant
As, it is to avoid compressor is frequently constantly stopped and restarted in a short time, it is ensured that compressor is in safe and stable work shape
State, mitigates the burden of compressor.
4. the heat pump drying device and its application method of the present invention improve the adaptability and reliability of heat pump.The present invention
Drying cycles device in the multifarious work of functions/drying is realized, the working condition of its corresponding heat pump cycle subsystem becomes
Change is also larger, if technical finesse is improper, is easily caused compressor and returns liquid damage.Therefore, in the present invention described evaporator it
After be mounted with precool heat exchanger device, by the air-flow outside precool heat exchanger device be hothouse discharge hot and humid air-flow, so,
The refrigerant evaporating completely that precool heat exchanger device is flowed under various dry method of works just can be easily gaseous state system by precool heat exchanger device
Cryogen, prevents compressor from liquid damage phenomenon occur back, improves the reliability of heat pump, on the other hand can also obtain to drying
The precooling effect of circulatory system air-flow, the dehumidifying effect for improving subsequent evaporation device, improve drying efficiency.
Brief description of the drawings
Fig. 1 is the main parts size exploded view of apparatus of the present invention；
Fig. 2 is the implementation principle diagram that apparatus of the present invention are applied in split type unit；
Fig. 3 is that the structure that apparatus of the present invention are applied in split type unit implements diagram；
Fig. 4 is the implementation principle diagram that apparatus of the present invention are applied in monoblock type unit；
Fig. 5 is that the structure that apparatus of the present invention are applied in monoblock type unit implements diagram；
Fig. 6 be apparatus of the present invention in air-cooled type calorie adjusting device implementation principle diagram；
Fig. 7 be apparatus of the present invention in Water cooling type calorie adjusting device implementation principle diagram；
Fig. 8 be apparatus of the present invention in transpiration-cooled calorie adjusting device implementation principle diagram；
Fig. 9 is shared with condenser for the air adjustment heat exchanger of air-cooled type calorie adjusting device in apparatus of the present invention and changed
The schematic diagram of hot device.
Embodiment
With reference to embodiment, the present invention is described in further detail, but the implementation of the present invention is not limited to this.
A kind of heat pump drying device of the present invention, reference can be made to accompanying drawing 1- accompanying drawings 5, by heat pump cycle subsystem and drying cycles
The part of subsystem two is collectively constituted.Described heat pump cycle subsystem includes：Compressor (1-1), calorie adjusting device (1-3),
Condenser (1-2), throttling element (1-4), evaporator (1-5), precool heat exchanger device (1-6).Described drying cycles subsystem includes：
Hothouse (2-1), air channel (2-2), drying air fan (2-3).
In described heat pump cycle subsystem, pass through pipeline fitting, the exhaust outlet and calorie adjusting device of compressor (1-1)
(1-3) import is connected, and calorie adjusting device (1-3) outlet is connected with condenser (1-2) import, condenser (1-2) outlet is with saving
Stream part (1-4) import is connected, throttling element (1-4) outlet is connected with evaporator (1-5) import, evaporator (1-5) outlet and precooling
Heat exchanger (1-6) import is connected, precool heat exchanger device (1-6) outlet is sequentially connected with compressor (1-1) air entry, thus constitutes
Refrigerant circulation loop in heat pump cycle subsystem.
In described drying cycles subsystem, hothouse (2-1) at least one air inlet and at least one air outlet,
Air channel (2-2) is connected with hothouse air inlet, air outlet respectively, and drying air fan (2-3) is installed in air channel suitable position, by
This constitutes the airflow circulating loop of drying cycles subsystem.Drying air fan can be d multi gears blower fan or speed-changing draught fan, be single
One blower fan or multiple blower fans are collectively constituted by mode in parallel or series.Dedusting filter is may also include in drying cycles subsystem
(2-4), dedusting filter is installed in the air channel between hothouse (2-1) outlet and precool heat exchanger device (1-6)；Drying is followed
Loop subsystems may also include bactericidal device (2-5), and bactericidal device (2-5) is installed in hothouse (2-1) or hothouse (2-1) enters
Between mouth and condenser (1-2).
Precool heat exchanger device (1-6), evaporator (1-5), condenser (1-2) in described heat pump cycle subsystem are installed
In air channel in drying cycles subsystem or respective inlet and outlet is connected with front and rear air channel respectively, along drying cycles subsystem
The airflow direction of system, precool heat exchanger device (1-6) be located at upstream, evaporator (1-5) be located at precool heat exchanger device and condenser (1-2) it
Between arrange.
Described calorie adjusting device (1-3) is isolated in the outside of drying cycles subsystem.Heat pump cycle subsystem is also
Including water receiving disc apparatus (1-7), water receiving disc apparatus is located at below evaporator (1-5) and precool heat exchanger device (1-6).Heat is adjusted
Regulating device (1-3) is air-cooled type calorie adjusting device (see Fig. 6) or Water cooling type calorie adjusting device (see Fig. 7) or steamed
Send out cooled calorie adjusting device (see Fig. 8).
Described air-cooled type calorie adjusting device includes air adjustment heat exchanger (3-1) and regulation blower fan (3-2).
Described regulation blower fan can be multi gear blower fan or speed-changing draught fan, be total to by single blower fan or multiple blower fans by mode in parallel or series
With composition.During work, the need for drying means, regulation blower fan can drive air flow in external environment condition by air adjustment
The partial heat of refrigerant is discharged into external environment condition in heat exchanger.Described Water cooling type calorie adjusting device mainly includes water cooling
Have in type heat exchanger (3-3), water pump (3-4) and pipe fitting (3-5) and outside water route, water cooling type heat exchanger refrigerant chamber and
Current chamber, by the connection of pipe fitting, outside water route is connected with pump entrance, exit of pump and water cooling type heat exchanger current chamber
Entrance is connected, and the outlet of water cooling type heat exchanger current chamber is connected with outside water route, connected by pipeline, the entrance of refrigerant chamber and
Compressor outlet is connected, the outlet of refrigerant chamber is connected with the condenser inlet of heat pump cycle subsystem；During work, according to difference
The partial heat of refrigerant in water cooling type heat exchanger is discharged into by the requirement of drying means setting, the outside corresponding water of water pump driving
In external water.Described transpiration-cooled calorie adjusting device mainly includes regulation blower fan (3-2), transpiration-cooled heat exchanger
(3-6), liquid distributor (3-7), filler (3-8), water-accepting basin (3-9), water pump (3-4), pipe fitting (3-5) and water pipe (3-
10).By the connection of pipe fitting, water pump (3-4) inlet tube is located in water-accepting basin (3-9), water pump (3-4) is exported and liquid distributor
(3-7) is connected；Liquid distributor (3-7) is arranged above transpiration-cooled heat exchanger (3-6) and filler (3-8), water-accepting basin (3-
9) water pipe (3-10) is connected with, cooling can be evaporated to water-accepting basin (3-9) amount of makeup water by water pipe (3-10)
Refrigerant inlet on formula heat exchanger (3-6) is connected with compressor outlet, refrigerant outlet and the heat of transpiration-cooled heat exchanger
The condenser inlet of pump circulation subsystem is connected.During work, the need for drying means, regulation blower fan can drive external environment condition
In air flow by the partial heat of refrigerant in transpiration-cooled heat exchanger be discharged into outside vapor and air in.
Further, when calorie adjusting device uses air-cooled type calorie adjusting device, and air-cooled type heat
When air adjustment heat exchanger (3-1) in adjusting means shares same heat exchanger with the condenser (1-2) in dry subsystem
(referring to Fig. 9).Two parts are divided into heat exchanger is separated into by dividing plate (3-11) in air side, the ratio of the two is according to design
Heat exchange amount need to be determined, in this way, by separation being divided into the heat exchanger for two parts of air circulation side, wherein
A part is used as the condenser dried in subsystem, another part is as the air in air-cooled type calorie adjusting device
Regulation heat exchanger is used.Being partially disposed in drying cycles subsystem air channel as condenser, as air adjustment heat exchanger
It is partially disposed in outside drying cycles subsystem air channel.The entrance (3-12) of refrigerant is arranged at one as air adjustment heat exchanger
Side, and be connected by pipeline with exhaust outlet of compressor；Refrigerant outlet (3-13) is arranged at as the cold of drying cycles subsystem
Condenser side, and be connected by pipeline with throttling element (1-4).
Further, the structure of drying device is split type or monoblock type.The structure chart and schematic diagram of split type drying device
Reference can be made to accompanying drawing 2 and accompanying drawing 3, the structure chart and schematic diagram of monoblock type can be found in accompanying drawing 4 and accompanying drawing 5.
Further, hothouse is fixed, vibrating type, roller or rotational structure.Condenser is fin-tube type, light pipe
Formula, coiled, coil pipe type, board-like or parallel flow heat exchanger.Evaporator is fin-tube type, light pipe type, coiled, board-like, coiled pipe
Formula or parallel flow heat exchanger.Precool heat exchanger device is fin-tube type, light pipe type, coiled, board-like, coil pipe type or parallel flow type heat exchange
Device.Air adjustment heat exchanger is fin-tube type, light pipe type, coiled, board-like, coil pipe type or parallel flow heat exchanger.Water-cooling type is changed
Hot device is shell-tube type, bushing type, board-like, pot type or parallel flow heat exchanger.Transpiration-cooled heat exchanger fin-tube type, light pipe type,
Coiled, board-like, coil pipe type or parallel flow heat exchanger.Throttling element is heating power expansion valve, electric expansion valve, capillary, throttling
Valve or restricting orifice.
Further, described condenser (1-2), evaporator (1-5), precool heat exchanger device (1-6) be respectively and independently separated, two
Person's parallel combinations or three's parallel combinations, and on dry gas stream direction, precool heat exchanger device is located at upstream, evaporator and is located at precooling
Form between heat exchanger and condenser is sequentially arranged.
The concrete operating principle of the present apparatus is：
During described heat pump cycle subsystem work, the gaseous refrigerant of compressor (1-1) discharge HTHP flows into heat
Quantity regulating device (1-3), the need for the drying method of work of setting, the gaseous refrigerant of HTHP is filled in heat regulation
Under the effect of putting by partial condensation hot driving into external environment condition.Refrigerant is come out by calorie adjusting device, flows into condenser (1-
2), refrigerant rejects heat to the refrigerant for being transformed into liquid after the air-flow in air channel by condenser, then the system of liquid
Cryogen passes through throttling element (1-4) and enters evaporator (1-5) afterwards, and refrigerant evaporates in evaporator and absorbs air channel interior air-flow
Heat after flow into precool heat exchanger device (1-6) again, refrigerant is realized after the heat of air channel interior air-flow is absorbed in precool heat exchanger device
Completely vaporize or even enter back into compressor after overheating, so realize the refrigerant working cycles of heat pump subsystem.
During described drying cycles subsystem work, under drying air fan (2-3) driving, air-flow is at hothouse (2-1)
Contacted with dried object mixing, hot and humid air-flow is formed after the part moisture of absorption dehydration thing and is exported from hothouse and flows out and leads to
Cross air channel (2-2) and flow through precool heat exchanger device (1-6), air-flow is precooled and turned in the presence of precool heat exchanger device (1-6)
It is changed into the air-flow of the nearly saturation state of humidity, air-flow flows subsequently through evaporator (1-5), and the air-flow of the nearly saturation state of humidity is in evaporation
Amount of heat is discharged in device and is separated out after water droplet as low-temperature airflow.Low-temperature airflow passes through condenser (1-2) absorption refrigeration
Heat in agent, re-forms the small dry gas stream of relative humidity, dry gas stream returns to hothouse (2-1), further to drying
Work is dried in object.So realize the working cycles of drying cycles subsystem.
The cool-down dehumidification of cooling and evaporator (1-5) of the air-flow during drying cycles including precool heat exchanger device (1-6),
The heat temperature raising of condenser (1-2) and dried object dehydrate process.These above-mentioned processes are to rely on heat pump cycle subsystem
Come what is completed.Accordingly, refrigerant includes precool heat exchanger under the acting effect of compressor (1-1) in heat pump cycle subsystem
Device (1-6) absorbs heat, evaporator (1-5) heat absorption, the process of condenser (1-2) heat release.According to law of conservation of energy, each relation amount
Relational expression is：Q precool heat exchanger device heat absorption+Q evaporator heat absorption+W compressor works=Q calorie adjusting device heat releases+Q condensations
Device heat release, it is seen then that the size variation of the external heat dissipation capacity of calorie adjusting device has to the working condition of drying system in drying process
There is important adjustment effect.Calorie adjusting device is connected with exhaust outlet of compressor, by the adjustment effect of calorie adjusting device,
Realize the regulation to the Process of absorption or liberation of heat amount of drying cycles subsystem, so realize the diversity of hothouse gas flow temperature, play can
Control, it is accurate, accurate, in real time and the purpose that automatically controls.Precool heat exchanger device (1-6) can ensure that after being installed on evaporator (1-5)
Refrigerant can be achieved to completely vaporize before compressor is entered, and prevent under various dry method of works compressor liquid hammer occur and show
As, the reliability of heat pump is improved, and precooling effect can be carried out to the air-flow in drying cycles subsystem, improve follow-up steam
Send out the cooling and dehumidifying ability and drying efficiency of device.
Temperature sensor and humidity sensor, TEMP are installed in described hothouse or in air channel adjacent thereto
Device is used to detecting and control the temperature of hothouse, humidity sensor mainly for detection of hothouse humidity condition and determine drying
Whether work completes.The heat pump drying device of the present invention has high temperature drying, similar air drying, low temperature drying or many stage by stage
The diversified drying means such as temperature drying.
Detailed introduction is made with regard to this several drying means below：
High temperature drying method of work：Under this method of work, the drying operating temperature range of a high temperature is first preset, is passed through
Change air quantity, water-carrying capacity or the compressor operating amount of calorie adjusting device so that calorie adjusting device is small to outside heat dissipation capacity
In the amount of work of compressor, promote the gas flow temperature of hothouse to rise in the values of high temperature, in drying process, pass through
Temperature sensor monitors the temperature in hothouse in real time, when temperature range higher limit (such as 60 of the temperature higher than setting of hothouse
DEG C) when, increase calorie adjusting device to outside heat dissipation capacity so that calorie adjusting device is more than compressor to outside heat dissipation capacity
Amount of work, drying temperature is gradually decrease to values, when temperature is less than the temperature range lower limit (such as 55 DEG C) of setting
When, reduce calorie adjusting device to outside heat dissipation capacity so that calorie adjusting device is less than compressor to outside heat dissipation capacity
Amount of work, drying temperature is gradually increased to values, in this way, by lasting detection and control, drying temperature control is existed
Work, when humidity that humidity sensor is detected in air-flow is less than the humidity requirement of setting, do in predetermined high temperature range
Dry device is stopped.
Similar air drying method of work：Under this method of work, the drying operating temperature of a similar normal temperature is first preset
Scope, by the air quantity, water-carrying capacity or the compressor operating amount that change calorie adjusting device (1-3) so that calorie adjusting device to
Outside heat dissipation capacity is suitable with the amount of work of compressor, promotes the airflow temperature-control in hothouse in the scope of similar normal temperature
It is interior, in drying process, the temperature in hothouse is monitored in real time by temperature sensor, when temperature of the temperature higher than setting of hothouse
When spending range higher limit (such as 35 DEG C), increase calorie adjusting device is to outside heat dissipation capacity so that calorie adjusting device is to outside
Heat dissipation capacity be more than the amount of work of compressor, drying temperature is gradually decrease to values, when temperature is less than the temperature of setting
During lower range limit (such as 30 DEG C), reduce calorie adjusting device to outside heat dissipation capacity so that calorie adjusting device is to outside
Heat dissipation capacity is less than the amount of work of compressor, and drying temperature is gradually increased to values, in this way, passing through lasting detection and control
System, promotes the temperature in hothouse to be worked in the range of similar normal temperature, until the humidity sensor of hothouse detects air-flow
In humidity be less than setting humidity requirement when, drying device is stopped.
Low temperature drying method of work：The drying operating temperature range of a low temperature is first preset, is filled by changing heat regulation
Air quantity, water-carrying capacity or the compressor operating amount put so that calorie adjusting device is more than the acting of compressor to outside heat dissipation capacity
Amount, promotes the gas flow temperature in hothouse to be reduced to the predetermined range of low temperature drying；In drying process, pass through temperature sensor
The temperature in monitoring hothouse, when drying temperature higher limit (such as 15 DEG C) of the temperature higher than setting, increases heat regulation in real time
Device is to outside heat dissipation capacity so that regulation calorie adjusting device is more than the amount of work of compressor, temperature to outside heat dissipation capacity
It is gradually lowered in values, when temperature is less than drying temperature lower limit (such as 10 DEG C) of setting, reduces heat regulation
Device is to outside heat dissipation capacity so that regulation calorie adjusting device is less than the amount of work of compressor, temperature to outside heat dissipation capacity
It is gradually increased in values, during, if detecting evaporator surface has an obvious frosting, compressor break-off,
Defrosted by continuing to run with for drying air fan, complete to restart after defrosting compressor into low temperature drying work, in this way, logical
Persistently Detection ＆ Controling are crossed, dry air temperature control is worked in predetermined low temperature range, until humidity sensor detection
When humidity into air-flow is less than the humidity requirement of setting, drying device is stopped.
Multi-temperature dries method of work stage by stage, by high temperature dry processes, air drying method, low temperature drying method
The method of work of two or more than two is according to combining the need for drying property or drying efficiency, in the drying process
Worked stage by stage using different drying means, the drying operating temperature range in each stage is preset, in different various method of works
In, by changing the difference between the outside heat dissipation capacity of calorie adjusting device and compressor work amount so that drying cycles subsystem
The temperature of air-flow in the road of system reaches the scope of high temperature, similar normal temperature or low temperature predetermined value；And supervised in real time by temperature sensor
Survey hothouse in temperature, when temperature higher than corresponding method set drying temperature higher limit when, increase calorie adjusting device to
Outer heat dissipation capacity so that the outside heat dissipation capacity of calorie adjusting device is more than the amount of work of compressor, temperature is gradually lowered to preset value
In the range of, when temperature is less than the drying temperature lower limit that corresponding method is set, reduces the outside heat dissipation capacity of calorie adjusting device, make
The heat dissipation capacity that calorie adjusting device must be adjusted is less than the amount of work of compressor, and temperature is gradually increased in values, in this way,
By lasting Detection ＆ Controling, dry air temperature control by stages is worked within the scope of predetermined temperature, until working as humidity
When the humidity that sensor detects in air-flow is less than the humidity requirement of setting, drying device is stopped.
The implementation of the present invention is not limited to this, according to the above of the present invention, is known using the ordinary skill of this area
Know and customary means, under the premise of above-mentioned basic fundamental thought of the invention is not departed from, the present invention can also make other a variety of shapes
Modification, replacement or the change of formula, all fall within rights protection scope of the present invention.
Claims (10)
1. a kind of heat pump drying device, the heat pump drying device includes heat pump cycle subsystem and drying cycles subsystem；Heat pump
Cycle subsystem includes compressor, calorie adjusting device, condenser, throttling element, evaporator, precool heat exchanger device and associated pipe
Part；Drying cycles subsystem includes hothouse, air channel, drying air fan；It is characterized in that：By pipeline fitting by compressor, heat
Adjusting means, condenser, throttling element, evaporator, the import and export of precool heat exchanger device are sequentially connected, the outlet of precool heat exchanger device and compression
Machine air entry is connected, and forms heat pump cycle subsystem refrigerant circulation loop；The air inlet and air outlet of hothouse respectively with it is right
The air channel connection answered, drying air fan is installed in the air channel in or the inlet and outlet of drying air fan is connected with front and rear air channel respectively, formation
Drying cycles subsystem air circulation loop；Precool heat exchanger device, evaporator, condenser are also installed in air channel or respective turnover
Air port is connected with front and rear air channel respectively；Temperature sensor is installed in described hothouse or air channel adjacent thereto and humidity is passed
Sensor.
2. heat pump drying device according to claim 1, it is characterised in that：Described calorie adjusting device is to include air
Heat exchanger is adjusted with the air-cooled type calorie adjusting device of regulation blower fan or including water cooling type heat exchanger, water pump and pipe fitting
And the Water cooling type calorie adjusting device in outside water route, or including transpiration-cooled heat exchanger, liquid distributor, filler, regulation blower fan,
Water-accepting basin, water pump, the transpiration-cooled calorie adjusting device of pipe fitting and water pipe.
3. heat pump drying device according to claim 1, it is characterised in that：Described calorie adjusting device is using single
Air-cooled type heat exchanger is used as air adjustment heat exchanger, or air adjustment heat exchanger and the condenser in heat pump cycle subsystem
Share same air-cooled type heat exchanger；, will by dividing plate when using same air-cooled type heat exchanger scheme is shared
The air side of common air cooled heat exchanger is separated into two parts, and a portion is as in the heat pump cycle subsystem
Condenser is used, and is arranged in the air channel, and another part is used as the air in the air-cooled type calorie adjusting device
Regulation heat exchanger is used, and is arranged at outside the air channel；Refrigerant inlet is located at the side for being used as air adjustment heat exchanger, and
It is connected by pipeline with the exhaust outlet of compressor, refrigerant outlet is located at the side as condenser, and passes through pipeline and institute
Throttling element is stated to be connected.
4. heat pump drying device according to claim 1, it is characterised in that：Also include water receiving disc apparatus and dust removal and filtration is filled
Put, water receiving disc apparatus is arranged in the lower section of evaporator and precool heat exchanger device；Dedusting filter is installed on hothouse outlet and pre-
In air channel between cold heat exchanger.
5. heat pump drying device according to claim 1, it is characterised in that：Described precool heat exchanger device, evaporator, condensation
Device is to be individually separated, both parallel combinations or three's parallel combinations, and on dry gas stream direction, precool heat exchanger device is located at upper
Trip, evaporator are located to be sequentially arranged between precool heat exchanger device and condenser.
6. heat pump drying device according to claim 1, it is characterised in that：The structure type of the heat pump drying device is
Split type or monoblock type；Described humidity sensor is water capacity sensor or relative humidity sensor；Described hothouse is
Fixed, vibrating type, roller or rotational structure；Described drying air fan is constant speed blower fan, multi gear blower fan or speed-changing draught fan.
7. a kind of drying means of the heat pump drying device in utilization claim 1-6 described in any claim, its feature exists
In：The drying means includes high temperature dry processes, first presets the drying operating temperature range of a high temperature, is adjusted by changing heat
Air quantity, water-carrying capacity or the compressor work amount of regulating device so that the heat dissipation capacity of calorie adjusting device external environment is less than compression
The amount of work of machine, promotes the gas flow temperature of hothouse to rise in the values of high temperature, in drying process, is passed by temperature
Sensor monitors the temperature in hothouse in real time, when the temperature of hothouse is higher than the temperature range higher limit set, increases heat
Adjusting means is to outside heat dissipation capacity so that calorie adjusting device is more than the amount of work of compressor to outside heat dissipation capacity, dries
Temperature is gradually decrease to values, when temperature be less than setting temperature range lower limit when, reduce calorie adjusting device to
Outside heat dissipation capacity so that calorie adjusting device is less than the amount of work of compressor to outside heat dissipation capacity, drying temperature gradually rises
Height arrives values, in this way, by lasting detection and control, drying temperature control is worked in predetermined high temperature range,
When humidity sensor, which detects humidity in air-flow, is less than the humidity requirement of setting, drying device is stopped.
8. a kind of drying means of the heat pump drying device in utilization claim 1-6 described in any claim, its feature exists
In：The drying means includes similar air drying method, the drying operating temperature range of a similar normal temperature is first preset, by changing
Become air quantity, water-carrying capacity or the compressor work amount of calorie adjusting device so that calorie adjusting device is to outside heat dissipation capacity and pressure
The amount of work of contracting machine quite, promotes the airflow temperature-control in hothouse in the range of similar normal temperature, in drying process, passed through
Temperature sensor monitors the temperature in hothouse in real time, when the temperature of hothouse is higher than the temperature range higher limit set, increases
Big calorie adjusting device is to outside heat dissipation capacity so that calorie adjusting device is more than the acting of compressor to outside heat dissipation capacity
Amount, drying temperature is gradually decrease to values, when temperature is less than the temperature range lower limit of setting, reduces heat regulation
Device is to outside heat dissipation capacity so that calorie adjusting device is less than the amount of work of compressor, drying temperature to outside heat dissipation capacity
Values are gradually increased to, in this way, by lasting detection and control, promoting the temperature in hothouse in the model of similar normal temperature
Interior work is enclosed, when the humidity sensor of hothouse, which detects humidity in air-flow, is less than the humidity requirement of setting, dress is dried
Put and be stopped.
9. a kind of drying means of the heat pump drying device in utilization claim 1-6 described in any claim, its feature exists
In：The drying means includes low temperature drying method, first presets the drying operating temperature range of a low temperature, is adjusted by changing heat
Air quantity, water-carrying capacity or the compressor work amount of regulating device so that calorie adjusting device is more than compressor to outside heat dissipation capacity
Amount of work, promotes the gas flow temperature in hothouse to be reduced to the predetermined range of low temperature drying；In drying process, passed by temperature
Sensor monitors the temperature in hothouse in real time, when drying temperature higher limit of the temperature higher than setting, increases calorie adjusting device
To outside heat dissipation capacity so that calorie adjusting device is more than the amount of work of compressor to outside heat dissipation capacity, temperature is gradually reduced
Into values, when temperature is less than the drying temperature lower limit of setting, reduce calorie adjusting device to outside radiating
Amount so that calorie adjusting device is less than the amount of work of compressor to outside heat dissipation capacity, temperature is gradually increased to values
It is interior, during, if detecting evaporator surface has obvious frosting, compressor break-off is transported by the continuation of drying air fan
Row is defrosted, and completes to restart after defrosting compressor into low temperature drying work, in this way, by lasting Detection ＆ Controling, will
Dry air temperature control works in predetermined low temperature range, is set until humidity sensor detects humidity in air-flow and is less than
During fixed humidity requirement, drying device is stopped.
10. a kind of drying means of the heat pump drying device in utilization claim 1-6 described in any claim, its feature exists
In：The drying means includes multi-temperature stage by stage and dries method of work, by high temperature dry processes, similar air drying method, low
Two in warm drying means or the method for work of more than two are combined according to the need for the characteristic or drying efficiency of dried object
Together, worked stage by stage using different drying means in the drying process, in different various method of works, by changing
Difference between the outside heat dissipation capacity of calorie adjusting device and compressor work amount so that the air-flow in drying cycles subsystem air channel
Temperature reaches the scope of high temperature, similar normal temperature or low temperature predetermined value；And monitor the temperature in hothouse in real time by temperature sensor,
When temperature is higher than the drying temperature higher limit that corresponding method is set, increase the outside heat dissipation capacity of calorie adjusting device so that heat
The outside heat dissipation capacity of adjusting means is more than the amount of work of compressor, and temperature is gradually lowered in values, when temperature is less than
During the drying temperature lower limit of corresponding method setting, reduce the outside heat dissipation capacity of calorie adjusting device so that regulation heat regulation dress
The heat dissipation capacity put is less than the amount of work of compressor, and temperature is gradually increased in values, in this way, passing through lasting detection and control
System, dry air temperature control by stages is worked within the scope of predetermined temperature, until detecting air-flow when humidity sensor
In humidity be less than setting humidity requirement when, drying device is stopped.
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| CN201710441910.7A CN107255412A (en) | 2017-06-13 | 2017-06-13 | A kind of heat pump drying device and its application method |
| CN201711328490.8A CN107966011B (en) | 2017-06-13 | 2017-12-13 | Heat pump drying device and use method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403378A (en) * | 2016-12-08 | 2017-02-15 | 天津商业大学 | Heat pump drying system capable of adjusting relative air humidity |
| CN109556386A (en) * | 2018-11-09 | 2019-04-02 | 广东申菱环境系统股份有限公司 | A kind of energy-saving heat pump drying system |
| CN110006224A (en) * | 2019-04-01 | 2019-07-12 | 广州百立可科技有限公司 | A kind of low temperature drying device and drying means |
| CN111043838A (en) * | 2019-12-31 | 2020-04-21 | Tcl空调器(中山)有限公司 | Dryer and dryer control method |
| CN111043838B (en) * | 2019-12-31 | 2024-04-30 | Tcl空调器(中山)有限公司 | Dryer and dryer control method |
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| CN109173559B (en) * | 2018-10-19 | 2024-04-16 | 吉林工商学院 | Condensing circulation heat-increasing batch type circulating grain drying energy-saving device |
| CN110285652A (en) * | 2019-05-20 | 2019-09-27 | 铜陵中联铭浩制衣有限公司 | A kind of drying equipment for processing cloth early period |
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| DE1191299B (en) * | 1960-07-23 | 1965-04-15 | Glanzstoff Ag | Process for the continuous drying of chips made of organic high polymers |
| SG83158A1 (en) * | 1998-12-12 | 2001-09-18 | Univ Singapore | A modular heat pump system for drying and air-conditioning |
| CA2752932C (en) * | 2011-09-22 | 2018-04-17 | General Electric Company | Apparatus and method for dry cycle completion control in heat pump dryer by declining capacity indication by rolling average compressor watts or heat exchanger pressure or temperature |
| CN102735041A (en) * | 2012-06-27 | 2012-10-17 | 青岛大学 | Energy-saving method for sizing and drying soft capsules |
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| CN104420145B (en) * | 2013-09-04 | 2018-09-11 | 杭州三花微通道换热器有限公司 | A kind of heat pump clothes dryer and its control method |
| CN204286023U (en) * | 2014-11-17 | 2015-04-22 | 林建东 | One is applicable to round-the-clock heat pump dryer |
| CN105716410B (en) * | 2016-03-23 | 2017-10-31 | 青岛大学 | Haw flakes and sugar heat pump drier and its system |
| CN205679001U (en) * | 2016-06-03 | 2016-11-09 | 苏州海派特热能设备有限公司 | A kind of totally enclosed type constant temperature constant humidity baking oven device |
| CN107202488A (en) * | 2017-05-07 | 2017-09-26 | 青岛大学 | A kind of partial air dehumidifying Analysis of Heat Pump Drying System |
| CN207635813U (en) * | 2017-06-13 | 2018-07-20 | 陈胜君 | A kind of heat pump drying device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106403378A (en) * | 2016-12-08 | 2017-02-15 | 天津商业大学 | Heat pump drying system capable of adjusting relative air humidity |
| CN109556386A (en) * | 2018-11-09 | 2019-04-02 | 广东申菱环境系统股份有限公司 | A kind of energy-saving heat pump drying system |
| CN110006224A (en) * | 2019-04-01 | 2019-07-12 | 广州百立可科技有限公司 | A kind of low temperature drying device and drying means |
| CN110006224B (en) * | 2019-04-01 | 2024-04-12 | 广州百立可科技有限公司 | Low-temperature drying device and drying method |
| CN111043838A (en) * | 2019-12-31 | 2020-04-21 | Tcl空调器(中山)有限公司 | Dryer and dryer control method |
| CN111043838B (en) * | 2019-12-31 | 2024-04-30 | Tcl空调器(中山)有限公司 | Dryer and dryer control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107966011B (en) | 2023-08-18 |
| CN107966011A (en) | 2018-04-27 |
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Application publication date: 20171017 |