CN207231092U - A kind of multifunctional heat pump drying device - Google Patents
A kind of multifunctional heat pump drying device Download PDFInfo
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- CN207231092U CN207231092U CN201720777984.3U CN201720777984U CN207231092U CN 207231092 U CN207231092 U CN 207231092U CN 201720777984 U CN201720777984 U CN 201720777984U CN 207231092 U CN207231092 U CN 207231092U
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Abstract
The utility model discloses a kind of multifunctional heat pump drying device, including heat pump circulating system and dried medium treatment channel；Heat pump circulating system is made of compressor, condenser, expansion valve and evaporator, and compressor is the combination of single or multiple frequency-changeable compressors；Dried medium heat and wet treatment passage is subject to the combination control of four air doors, forms quick four kinds of heating, enclosed, open type and semi-open type variation patterns, forms four kinds of different drying modes.The utility model Strong dehumidifying ability, the diversity that can be directed to different weather conditions and dry object provide different operating modes, effectively improve dry products quality and energy saving.
Description
Technical field
It the utility model is related to the application field of refrigerating heat pump technology, and in particular to a kind of intelligent type heat pump drying device.
Background technology
Drying is an important process in the production processes such as industry, agricultural and sideline product and food processing industry, drying process
It is that high energy consumption process, drying device and its drying process control and the quality of dry converted products include：Color, guarantee the quality
Phase, nutritional ingredient etc. are closely related, also closely related with production efficiency, cost, energy consumption etc..
Heat pump drying is to apply steam compression type refrigerating technology, absorbs thermal energy, thermal effect from air or other residual heat resources
Rate is more than the three times of electric heating heat drying process non-pollutant discharges, and production process is clean, safety, with traditional fire coal, combustion
Gas is compared with drying devices such as electric heating, its with it is energy-efficient, environmental-friendly, safe and reliable, the degree of automation is high, production cost
The advantages such as low, good product quality.
Dry materials, especially to meet the requirement of the drying process of variety classes agricultural product, product quality indicator, due to
The initial water content and the difference of moisture, the dynamic change of drying process material moisture, outdoor temperature humidity of dry object
Change, it is necessary to adjust the operating parameter of drying device, to balance the inside and outside disturbance of drying process, meet that drying process will
The wind pushing temperature asked, humidity, even include air output, and keeps the quality of dry object.But heat pump of the prior art is done
Dry device is difficult to meet different material and its drying process and quality index requirement, it is impossible to is well adapted for outdoor environmental conditions
The change of (including temperature, relative humidity) and the diversity of dry object.
Utility model content
The utility model is to avoid the deficiency present in the above-mentioned prior art, there is provided a kind of multifunctional heat pump drying dress
Put, to meet the drying process need of the industry such as modern agriculture large-scale production and variety classes agricultural product, food, pharmacy, papermaking
Ask, under the conditions of Different climate drying equipment can efficiently, safe operation, adapt to the various of Different climate condition and dry object
Property, high efficiente callback waste heat realizes the recycling of heat energy from waste gas, improves its automation and intelligent performance.
The utility model adopts the following technical scheme that to solve technical problem：
The characteristics of the utility model multifunctional heat pump drying device is：
The heat pump drying device is that heat pump circulating system and dried medium heat and wet treatment passage are co-located on casing
In overall structure, the inner cavity of the casing is divided into lower channel and upper channel by horizontal baffle, and return air inlet is lower channel entrance,
Air outlet exports for upper channel, and return air inlet and air outlet are the same as the right end for being in casing；The lower channel and upper channel are in casing
Left end forms connection up and down；First air filter, compressor, heat pipe evaporation ends, evaporator and evaporation fan are positioned at lower logical
In road, return air obtains waste heat recovery and cool-down dehumidification in lower channel；It is second air filter, expansion valve, condensation end of heat pipe, cold
Condenser and breeze fan are located at upper channel, and dried medium is heated in upper channel；
The heat pump circulating system includes the compressor, condenser, expansion valve and evaporator, and the compressor is single
The combination of frequency-changeable compressor or multiple frequency-changeable compressors；
On the bottom plate of casing, it is on the position between evaporator and heat pipe evaporation ends and the first fresh air inlet is set；
On horizontal baffle, it is on the position between condensation end of heat pipe and condenser and the first damper is set；
Left end in casing, be on the access road of upper channel and set the second fresh air inlet；
Left end in casing, be on the exit passageway of lower channel and set the second damper；
Set the heat pump drying device that there are quick four kinds of heating, enclosed, open type and semi-open type different operating modes；
The quick heating work pattern is：In the quick heating rank of heat pump drying device initial start stage or change working
Section, the first fresh air inlet, the first damper and the second damper are standard-sized sheet, and the second fresh air inlet is closed；Utilize standard-sized sheet
Second damper turns off the connection of lower channel and upper channel in the left end of casing；Breeze fan passes through the return air from return air inlet
First damper is introduced directly into condenser and is heated, and the first fresh air inlet forms the air inlet of evaporator, and second adjusts wind
The air outlet of door composition evaporator；
The enclosed operating mode is：First fresh air inlet, the second fresh air inlet, the first damper and second adjust wind
Door is to close, and the return air from return air inlet realizes waste heat recovery through heat pipe evaporation ends, and cooling and dehumidifying are realized through evaporator, then
After condensation end of heat pipe and condenser realize heat temperature raising, enter hothouse through breeze fan and air outlet, form closed air
Circulation；
The open type operating mode is：First fresh air inlet and the first damper are closed, the second damper and second
Fresh air inlet standard-sized sheet, turns off the connection of lower channel and upper channel in the left end of casing, in heat using the second damper of standard-sized sheet
The return air after waste heat recovery is obtained in pipe evaporation ends and evaporator and all discharges casing through the second damper；Entered by the second fresh air
The complete fresh air that mouth introduces obtains heat temperature raising by filter, condensation end of heat pipe and condenser successively, and through breeze fan and send
Air port enters hothouse, forms open type air circulation；
The semi-open type operating mode is：Second fresh air inlet is closed, the first fresh air inlet, the first damper and second
Damper is that part is opened, and the Hot wet air heating of hothouse is imported by return air inlet, and a part of return air passes through the first damper
Into the air inlet end of condenser, remainder return air is after superheater tube evaporation ends carry out waste heat recovery and cool down, with first
The outdoor fresh air mixing that fresh air inlet introduces, then discharged in evaporator heat release and dehumidifying rear portion in the second damper,
Remainder enters upper channel, by filter, again after condensation end of heat pipe heats, is returned with what first damper introduced
Wind mixes, and heat temperature raising is obtained by condenser, is finally sent into hothouse through air outlet by breeze fan, forms semi-open type air
Circulation.
The characteristics of the utility model multifunctional heat pump drying device, lies also in：
The heat pipe evaporation ends and condensation end of heat pipe are gravity-type integrated thermal or are gravity-type separate heat pipe, heat pipe
Middle filling R134a or other has the environmental protection refrigerant of Thermal conductivity；
The breeze fan and evaporation fan are frequency conversion fan or step speed regulation wind turbine；
First damper and the second damper are electrodynamic type air door；First fresh air inlet and the second fresh air
Entrance is electric or hand adjustable air port；
Drip tray is set in the lower section of the evaporator, drip tray is connected with drainage channel.
The characteristics of the utility model multifunctional heat pump drying device, lies also in：The upper channel and lower channel can also be set
To locate horizontal layout form in the same plane.
Compared with the prior art, the utility model has the beneficial effect that：
1st, the utility model heat pump drying device is provided with four adjustable dampers, constitutes quick heating, enclosed, half-open
Four kinds of operating modes of formula and open type, accurately control drying machine wind pushing temperature, and adjust the relative humidity of air-supply in suitable model
In enclosing, Different climate condition and the diversity of dry object are adapted to, meets each agricultural products, food, chemical industry, pharmacy, papermaking etc.
The drying process demand of industry；
2nd, the utility model recycles the waste heat of return-air using heat pipe evaporation ends, and it is direct to transfer heat to condensation end of heat pipe
Utilize；The return-air to cool down through heat pipe evaporation ends, then further cool down by evaporator, it is obviously improved the dehumidifying effect of drying machine；
Condensation end of heat pipe heat release in passage is heated, preheating and drying medium, saves the energy consumption of heat pump, realize efficient waste heat recovery or
The recycling of heat energy from waste gas；
3rd, the utility model monoblock type drying machine, compact-sized, install convenient, so connecting pipe is welded, avoids freezing
Agent leaks, service life length；
4th, the utility model heat pump drying device adjusts the energy of compressor, accurate control air-supply using fuzzy control technology
Temperature；Using combined type adjustable damper, the relative humidity of air-supply is controllable, is conducive to improve the quality of dry products, improves dry
Dry engine efficiency.
Brief description of the drawings
Fig. 1 is the utility model Analysis of Heat Pump Drying System schematic diagram；
Figure label：1 compressor；2 heat pipe evaporation ends；3 first fresh air inlets；4 evaporators；5 drip trays；6 evaporation fans；
7 second dampers；8 second fresh air inlets；9 second air filters；10 expansion valves；11 condensation end of heat pipe；12 condensers；13
Breeze fan；14 casings；15 partition plates；16 first dampers；17 first air filters；18 air outlets；19 return air inlets.
Embodiment
Referring to Fig. 1, multifunctional heat pump drying device is by heat pump circulating system and the wet place of dried medium heat in the present embodiment
Reason passage is co-located on overall structure in casing 14, and the inner cavity of casing 14 is divided into lower channel and upper logical by horizontal baffle 15
Road, return air inlet 19 are lower channel entrance, and air outlet 18 is that upper channel exports, and return air inlet 19 and air outlet 18 are in casing 14 together
Right end；Lower channel is formed in the left end of casing 14 with upper channel and connected up and down；First air filter 17, compressor 1, heat pipe steam
Originator 2, evaporator 4 and evaporation fan 6 are located in lower channel, and return air obtains waste heat recovery and cool-down dehumidification in lower channel；
Second air filter 9, expansion valve 10, condensation end of heat pipe 11, condenser 12 and breeze fan 13 are located at upper channel, dry to be situated between
Matter is heated in upper channel；Heat pump circulating system includes compressor 1, condenser 12, expansion valve 10 and evaporator 4, compression
Machine 1 is the combination of single frequency-changeable compressor or multiple frequency-changeable compressors；Upper channel and lower channel may be set to be in it is same
Horizontal layout form in plane.
In the present embodiment, on the bottom plate of casing 14, it is on the position between evaporator 4 and heat pipe evaporation ends 2 and sets
First fresh air inlet 3；On horizontal baffle 15, it is on the position between condensation end of heat pipe 11 and condenser 12 and sets first to adjust
Save air door 16；Left end in casing 14, be on the access road of upper channel and set the second fresh air inlet 8；On a left side for casing 14
Hold, be on the exit passageway of lower channel the second damper 7 is set.
The dried medium heat and wet treatment passage of heat pump drying device is subject to the combination control of four air doors in the present embodiment, real
Now quick four kinds of heating, enclosed, open type and semi-open type different operating modes.
Quickly heating work pattern is：In heat pump drying device initial start stage or the rapid heat-up stage of change working,
One fresh air inlet 3, the first damper 16 and the second damper 7 are standard-sized sheet, and the second fresh air inlet 8 is closed；Utilize standard-sized sheet
Second damper 7 turns off the connection of lower channel and upper channel in the left end of casing 14；Breeze fan 13 will come from return air inlet 19
Return air be introduced directly into condenser 12 through the first damper 16 and heated, the first fresh air inlet 3 forms the inlet air of evaporator 4
Mouthful, the second damper 7 forms the air outlet of evaporator 4.
Enclosed operating mode is：First fresh air inlet 3, the second fresh air inlet 8, the first damper 16 and second adjust wind
Door 7 is to close, and the return air from return air inlet 19 realizes waste heat recovery through heat pipe evaporation ends 2, through evaporator 4 realize cooling and
Dehumidifying, then after condensation end of heat pipe 11 and condenser 12 realize heat temperature raising, enter drying through breeze fan 13 and air outlet 18
Room, forms closed air cycle.
Open type operating mode is：First fresh air inlet 3 and the first damper 16 are closed, the second damper 7 and second
8 standard-sized sheet of fresh air inlet, the connection of lower channel and upper channel in the left end of casing 14 is turned off using the second damper 7 of standard-sized sheet,
The return air after waste heat recovery is obtained in heat pipe evaporation ends 2 and evaporator 4 and all discharges casing 14 through the second damper 7；By
The complete fresh air that second fresh air inlet 8 introduces obtains heat temperature raising by filter 9, condensation end of heat pipe 11 and condenser 12 successively,
And enter hothouse through breeze fan 13 and air outlet 18, form open type air circulation.
Semi-open type operating mode is：Second fresh air inlet 8 is closed, the first fresh air inlet 3, the first damper 16 and second
Damper 7 is that part is opened, and the Hot wet air heating of hothouse is imported by return air inlet 19, and a part of return air adjusts wind by first
Door 16 enters the air inlet end of condenser 12, and remainder return air carries out waste heat recovery through superheater tube evaporation ends 2 and cools down
Afterwards, the outdoor fresh air introduced with the first fresh air inlet 3 mixes, then is adjusted in 4 heat release of evaporator and dehumidifying rear portion second
Discharged in air door 7, remainder enters upper channel, by filter 9, again after the heating of condensation end of heat pipe 11, is adjusted with first
The return air mixing that air door 16 introduces, obtains heat temperature raising by condenser 12, is finally sent into by breeze fan 13 through air outlet 16
Hothouse, forms semi-open type air circulation.
In specific implementation, heat pipe evaporation ends 2 and condensation end of heat pipe 11 are gravity-type integrated thermal or are gravity-type separation
Formula heat pipe, R134a or other is filled in heat pipe has the environmental protection refrigerant of Thermal conductivity, and heat pipe plays energy saving in systems
The effect of device or economizer, for recycling the waste heat of return-air, carries out precooling cooling before dehumidifying, improves the dehumidifying energy of evaporator
Power, while heat is directly transferred to heated side, in heated side preheating and drying medium；Breeze fan 13 and evaporation fan 6 are change
Frequency wind turbine or step speed regulation wind turbine, wind is adjusted according to drying process and by the change of dry object water capacity or the change of moisture removal
Machine rotating speed；First damper 16 and the second damper 7 use electrodynamic type air door；First fresh air inlet 3 and the second fresh air enter
Mouth 8 uses electric or hand adjustable air port；In the lower section of evaporator 4, drip tray 5, drip tray 5 and drainage channel phase are set
Connection.
The control mode for setting more operating mode heat pump drying devices is：
Set the air-supply dry-bulb temperature of heat pump drying device as main control parameter, air-supply relative humidity be sub-control parameter,
And using dry-bulb temperature of blowing as priority acccess control level；
Adjusting for dry-bulb temperature of blowing is to add as follows using fuzzy control rule control 1 energy of compressor
Carry or off-load is achieved；
Order：T is to set air-supply dry-bulb temperature, T1For the air-supply dry-bulb temperature that detection obtains in real time；
Then：The deviation delta T of wind pushing temperature is：Δ T=T-T1；
Deviation delta T is divided into five grades, it is descending to be followed successively by：Honest, center, zero, negative neutralize are born greatly；
The change rate d Δs T/dt of deviation delta T is divided into five grades, it is descending to be followed successively by：Honest, center, zero, it is negative
In, it is negative big；
The regulated quantity U of the loading of 1 energy of compressor or off-load is divided into five grades, it is descending to be followed successively by：Honest,
Center, zero, it is negative in, it is negative big；
Fuzzy rule is established, is calculated according to Δ T and obtains d Δ T/dt, is calculated through blurring, and blurring result of calculation is turned
Precise volume is turned to, loading or the regulated quantity U of off-load of control 1 energy of compressor are obtained with this, and then adjusts heating capacity, accurate control
System air-supply dry-bulb temperature；
For blow relative humidity control method be：
Order：TSFor setting air-supply relative humidity, TS1For the air-supply relative humidity that detection obtains in real time；
Then：The deviation delta T for relative humidity of blowingSFor：ΔTS=TS-TS1；
If Δ TS＞ 0, then increase the aperture α of the first damper 16, aperture that is on the contrary then reducing the first damper 16
α。
The heat pump drying device course of work：
Heated dry air is sent into hothouse under the driving of breeze fan 13, with carrying out the sufficiently wet friendship of heat by dry object
Change, air themperature reduces, water capacity and relative humidity increase, the Hot wet air heating of hothouse discharge enter this reality by return air inlet 19
With novel heat pump drying device, under semi-open type operating mode, part return air is directly entered condensation by the first damper 16
Device 12, for remaining return air after superheater tube evaporation ends 2 carry out waste heat recovery and cool down, the outdoor entered with the first fresh air inlet 3 is new
Wind mixes, heat release and dehumidifying in evaporator 4, through air of 7 discharge part of the second damper through 4 cool-down dehumidification of evaporator,
Remaining air through cool-down dehumidification is heated by the cleaning of filter 9, condensation end of heat pipe 11, is returned with what the first damper 16 introduced
Wind mixes, and obtains heat temperature raising by condenser 12, is then sent into hothouse through air outlet 16 by breeze fan 13；Circulated with this
Back and forth, the water content or mass dryness fraction of setting are reached to dry object.
For enclosed working status, the return air of return air inlet 19 realizes waste heat recovery through heat pipe evaporation ends 2, is dropped through evaporator 4
Gentle dehumidifying, then by 12 heat temperature raising of condensation end of heat pipe 11 and condenser, enter by breeze fan 13 and air outlet 18 dry
Dry room, dried medium are closed cycle.
Different air circulation modes is set to better adapt to the change of external environment, when ambient temperature is higher, empty
When gas is more dry, using open type air circulation, or increase fresh air volume；When temperature is relatively low or plum rain season, reduce fresh air volume, or
Using closed air cycle.Such design form is not only beneficial to energy saving but also helps to improve drying efficiency and product quality；
For example be dried for some specific food or medicine, using enclosed heat pump drying device, dried medium can be air
Or other spongy gases of tool, wind pushing temperature may be set in 8~15 DEG C, if the evaporating temperature of evaporator is less than 0 DEG C, need
Evaporator is set to defrost, using electric defrosting or hot gas defrosting.
Claims (3)
1. a kind of multifunctional heat pump drying device, it is characterized in that：
The heat pump drying device is that heat pump circulating system and dried medium heat and wet treatment passage are co-located on casing (14)
In overall structure, the inner cavity of the casing (14) is divided into lower channel and upper channel, return air inlet (19) by horizontal baffle (15)
For lower channel entrance, air outlet (18) exports for upper channel, and return air inlet (19) and air outlet (18) are the same as the right side for being in casing (14)
End；The lower channel is formed in the left end of casing (14) with upper channel and connected up and down；First air filter (17), compressor
(1), heat pipe evaporation ends (2), evaporator (4) and evaporation fan (6) are located in lower channel, and return air obtains waste heat in lower channel
Recycling and cool-down dehumidification；Second air filter (9), expansion valve (10), condensation end of heat pipe (11), condenser (12) and air-supply
Wind turbine (13) is located at upper channel, and dried medium is heated in upper channel；
The heat pump circulating system includes the compressor (1), condenser (12), expansion valve (10) and evaporator (4), the pressure
Contracting machine (1) is the combination of single frequency-changeable compressor or multiple frequency-changeable compressors；
On the bottom plate of casing (14), it is on the position between evaporator (4) and heat pipe evaporation ends (2) and sets the first fresh air to enter
Mouth (3)；
On horizontal baffle (15), it is on the position between condensation end of heat pipe (11) and condenser (12) and sets first to adjust wind
Door (16)；
Left end in casing (14), be on the access road of upper channel and set the second fresh air inlet (8)；
Left end in casing (14), be on the exit passageway of lower channel and set the second damper (7).
2. multifunctional heat pump drying device according to claim 1, it is characterized in that：
The heat pipe evaporation ends (2) and condensation end of heat pipe (11) be gravity-type integrated thermal or be gravity-type separate heat pipe,
R134a or other is filled in heat pipe has the environmental protection refrigerant of Thermal conductivity；
The breeze fan (13) and evaporation fan (6) are frequency conversion fan or step speed regulation wind turbine；
First damper (16) and the second damper (7) are electrodynamic type air door；First fresh air inlet (3) and
Two fresh air inlets (8) are electric or hand adjustable air port；
Drip tray (5) is set in the lower section of the evaporator (4), drip tray (5) is connected with drainage channel.
3. multifunctional heat pump drying device according to claim 1, it is characterized in that：The upper channel and lower channel can also
It is arranged to locate horizontal layout form in the same plane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720777984.3U CN207231092U (en) | 2017-06-30 | 2017-06-30 | A kind of multifunctional heat pump drying device |
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| CN201720777984.3U CN207231092U (en) | 2017-06-30 | 2017-06-30 | A kind of multifunctional heat pump drying device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084534A (en) * | 2018-09-04 | 2018-12-25 | 江西闻新热泵科技有限公司 | A kind of thermal pump dehumidification drying all-in-one machine and drying chamber |
| CN109163517A (en) * | 2018-09-30 | 2019-01-08 | 上海伯涵热能科技有限公司 | A kind of crop storage device with drying and cold paddy function |
| CN110965291A (en) * | 2019-12-05 | 2020-04-07 | 珠海格力电器股份有限公司 | Drying air duct, clothes drying equipment and control method |
| CN111023790A (en) * | 2019-12-25 | 2020-04-17 | 天津商业大学 | Chinese herbal medicine heat pump drying system with heat pipe heat regenerator |
| CN111426093A (en) * | 2020-03-27 | 2020-07-17 | 华中科技大学 | Heat pipe cold quantity transfer mechanism suitable for lithium bromide absorption type air water generator |
| CN113218152A (en) * | 2021-05-07 | 2021-08-06 | 四川洁能干燥设备有限责任公司 | Heat pump system utilizing latent heat of humidity removal and high-efficiency energy-saving drying method |
-
2017
- 2017-06-30 CN CN201720777984.3U patent/CN207231092U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084534A (en) * | 2018-09-04 | 2018-12-25 | 江西闻新热泵科技有限公司 | A kind of thermal pump dehumidification drying all-in-one machine and drying chamber |
| CN109163517A (en) * | 2018-09-30 | 2019-01-08 | 上海伯涵热能科技有限公司 | A kind of crop storage device with drying and cold paddy function |
| CN109163517B (en) * | 2018-09-30 | 2024-01-30 | 广州万二二麦工程技术有限公司 | Cereal storage device with stoving and cold millet function |
| CN110965291A (en) * | 2019-12-05 | 2020-04-07 | 珠海格力电器股份有限公司 | Drying air duct, clothes drying equipment and control method |
| CN110965291B (en) * | 2019-12-05 | 2023-10-13 | 珠海格力电器股份有限公司 | Drying air duct, clothes drying equipment and control method |
| CN111023790A (en) * | 2019-12-25 | 2020-04-17 | 天津商业大学 | Chinese herbal medicine heat pump drying system with heat pipe heat regenerator |
| CN111426093A (en) * | 2020-03-27 | 2020-07-17 | 华中科技大学 | Heat pipe cold quantity transfer mechanism suitable for lithium bromide absorption type air water generator |
| CN111426093B (en) * | 2020-03-27 | 2021-02-12 | 华中科技大学 | Heat pipe cold quantity transfer mechanism suitable for lithium bromide absorption type air water generator |
| CN113218152A (en) * | 2021-05-07 | 2021-08-06 | 四川洁能干燥设备有限责任公司 | Heat pump system utilizing latent heat of humidity removal and high-efficiency energy-saving drying method |
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