CN109695968A - A kind of drying dehumidification recuperation of heat integrated machine - Google Patents
A kind of drying dehumidification recuperation of heat integrated machine Download PDFInfo
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- CN109695968A CN109695968A CN201811456204.0A CN201811456204A CN109695968A CN 109695968 A CN109695968 A CN 109695968A CN 201811456204 A CN201811456204 A CN 201811456204A CN 109695968 A CN109695968 A CN 109695968A
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- Prior art keywords
- recuperation
- condenser
- drying dehumidification
- heat
- evaporator
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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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
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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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
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
-
- 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
- F26B21/003—Supply-air or gas filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of drying dehumidification recuperation of heat integrated machines, including apparatus main body and the drying dehumidification heat recovery system being mounted in apparatus main body, the side and top of described device main body are respectively equipped with air inlet and air outlet, the two sides welding of described air inlet one end is fluted, and air intake plate is equipped in groove, the drying dehumidification heat recovery system includes condenser, main evaporator, compressor and recovery evaporator, recovery evaporator and dehumidifying blower is arranged in the present invention, in recovery evaporator work, open and close dehumidifying blower, play two kinds of effects, dehumidifying and recuperation of heat, to reduce the use cost and response national energy conservation and emission reduction policy of client；Idler wheel and sliding rail are set, idler wheel drives condenser to move back and forth in sliding rail with fixed frequency, condenser fan, which starts to drying chamber, simultaneously is discharged into high temperature exothermic, air-flow is more fully contacted with condenser, air-flow is facilitated to gang up in condenser, to take more heats out of, the utilization rate of thermal energy is improved.
Description
Technical field
The present invention relates to air-energy dryer field, in particular to a kind of drying dehumidification recuperation of heat integrated machine.
Background technique
Dryer can be divided into industry and civilian two kinds, and industrial drier is also drying equipment or drying machine, civilian dryer
It is one of washing machine, generally after rinse dehydration, for removing the moisture in clothes and other textiles.
There are certain drawbacks in a kind of existing drying dehumidification recuperation of heat integrated machine, firstly, existing according to market when in use
Have air-energy dryer that can only dry, can not hydrofuge dehumidifying and recuperation of heat technical characterstic, meanwhile, air inlet use overlong time
When, it is easy the more impurity of accumulation, traditional makes to be screwed the vibration being easy by blower, causes screw to loosen, thermal energy
Utilization rate cannot effectively improve.
Summary of the invention
The main purpose of the present invention is to provide a kind of drying dehumidification recuperation of heat integrated machines, can effectively solve background technique
The problems in.
To achieve the above object, the technical scheme adopted by the invention is as follows: a kind of drying dehumidification recuperation of heat integrated machine, including dress
The drying dehumidification heat recovery system setting main body and being mounted in apparatus main body, the side and top of described device main body are respectively equipped with
The two sides welding of air inlet and air outlet, described air inlet one end is fluted, and air intake plate, the drying dehumidification are equipped in groove
Heat recovery system includes condenser, main evaporator, compressor and recovery evaporator, and the condenser and main evaporator pass through
Two pipelines form first circulation circuit, are equipped with electric expansion valve on one pipeline, are equipped with solenoid valve on another pipeline
And four-way valve, other two port of the four-way valve are sequentially installed with compressor, gas-liquid separator and filter by pipeline,
Form second circulation circuit.
Preferably, the both ends of the solenoid valve have been installed in parallel recuperation of heat solenoid valve and recovery evaporator by pipeline,
Form pipeline branch.
Preferably, the condenser, main evaporator and recovery evaporator are mating respectively is equipped with condenser fan, main steaming
Send out device blower and dehumidifying blower.
Preferably, the groove is connect with air intake plate draw and insert-type, and the side of air intake plate is equipped with filter plate by screw.
Preferably, the filter plate distinguishes three layers, and outermost layer is steel wire, and middle layer is cold catalyst and innermost layer is
HEPA filter screen.
Preferably, one end of the condenser is equipped with electric rotation shaft, and the two sides of condenser are welded with connecting plate, and even
The bottom end of fishplate bar connects idler wheel by setting elastic component, and the idler wheel is mating to be installed in sliding rail, and sliding rail is welded on device master
The two sides of internal wall.
Preferably, the sliding rail is quadrant arcuation, is i-beam structure, and fit closely with idler wheel.
Preferably, further include a controller, be electrically connected with electric rotation shaft and each blower.
Compared with prior art, it the present invention provides a kind of drying dehumidification recuperation of heat integrated machine, has the following beneficial effects:
1, dehumidifying is opened and closed in recovery evaporator work by setting recovery evaporator and dehumidifying blower
Blower plays two kinds of effects, dehumidifying and recuperation of heat, to reduce the use cost and response national energy conservation and emission reduction policy of client；
2, by setting air intake plate, draw and insert-type design avoids making to be screwed, is convenient for changing and cleans, filter plate
Steel wire primary filtration removes biggish particle, and cold catalyst formaldehyde adsorption eliminates the unusual smell, HEPA filter screen filtration PM2.5, by tearing open
Conveniently separate except screw and is replaced and cleaned, it is simple and practical.
3, by setting idler wheel and sliding rail, idler wheel drives condenser to move back and forth in sliding rail with fixed frequency, simultaneously
Condenser fan, which starts to drying chamber, is discharged into high temperature exothermic, and air-flow is more fully contacted with condenser, facilitates air-flow in condenser
It gangs up, to take more heats out of, improves the utilization rate of thermal energy.
Part is not directed in the device to be the same as those in the prior art or can be realized by using the prior art.
Detailed description of the invention
Fig. 1 is a kind of systematic schematic diagram of drying dehumidification recuperation of heat integrated machine of the present invention；
Fig. 2 is a kind of overall structure diagram of drying dehumidification recuperation of heat integrated machine of the present invention；
Fig. 3 is a kind of air inlet structure schematic diagram of drying dehumidification recuperation of heat integrated machine of the present invention；
Fig. 4 is a kind of condenser partial structure side view of drying dehumidification recuperation of heat integrated machine of the present invention；
Fig. 5 is a kind of condenser local structure top view of drying dehumidification recuperation of heat integrated machine of the present invention.
In figure: 1, condenser；2, condenser fan；3, four-way valve；4, gas-liquid separator；5, compressor；6, recuperation of heat is steamed
Send out device；7, dehumidify blower；8, solenoid valve；9, recuperation of heat solenoid valve；10, main evaporator；11, main evaporator blower；12, electronics is swollen
Swollen valve；13, filter；A, air outlet；B, air inlet；14, filter plate；15, air intake plate；16, groove；17, electric rotation shaft；18,
Connecting rod；19, elastic component, 20, idler wheel；21, sliding rail.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Embodiment 1
As shown in Figs. 1-5, a kind of drying dehumidification recuperation of heat integrated machine including apparatus main body and is mounted in apparatus main body
Drying dehumidification heat recovery system, the side and top of apparatus main body are respectively equipped with air inlet b and air outlet b, the one end air inlet b
Two sides welding fluted 16, and air intake plate 15 is equipped in groove 16, drying dehumidification heat recovery system includes condenser 1, main evaporation
Device 10, compressor 5 and recovery evaporator 6, condenser 1 and main evaporator 10 form first circulation by two pipelines and return
Road is equipped with electric expansion valve 12 on one pipeline, solenoid valve 8 and four-way valve 3 is equipped on another pipeline, four-way valve 3
Other two port is sequentially installed with compressor 5, gas-liquid separator 4 and filter 13 by pipeline, forms second circulation circuit；
The both ends of solenoid valve 8 have been installed in parallel recuperation of heat solenoid valve 9 and recovery evaporator 6 by pipeline, form pipeline branch；Condensation
Device 1, main evaporator 10 and recovery evaporator 6 are mating respectively to be equipped with condenser fan 2, main evaporator blower 11 and dehumidifying wind
Machine 7；
Recovery evaporator 6 and dehumidifying blower 7 are set, when recovery evaporator 6 works, open and close dehumidifying blower
7, two kinds of effects, dehumidifying and recuperation of heat are played, to reduce the use cost and response national energy conservation and emission reduction policy of client.
Embodiment 2
As shown in figure 3, groove 16 is connect with 15 draw and insert-type of air intake plate, and the side of air intake plate 15 was equipped with by screw
Filter plate 14；Filter plate 14 distinguishes three layers, and outermost layer is steel wire, and middle layer is cold catalyst and innermost layer is HEPA filter screen；
Air intake plate 15 is set, and draw and insert-type design avoids making to be screwed, is convenient for changing and cleans, the steel of filter plate 14
Silk screen primary filtration removes biggish particle, and cold catalyst formaldehyde adsorption eliminates the unusual smell, and HEPA filter screen filtration PM2.5 passes through dismounting
Screw, which is conveniently separated, to be replaced and is cleaned, simple and practical.
Embodiment 3
As illustrated in figures 4-5, one end of condenser 1 is equipped with electric rotation shaft 17, and the two sides of condenser 1 are welded with connecting plate
19, and the bottom end of connecting plate 19 connects idler wheel 20 by setting elastic component 19, idler wheel 20 is mating to be installed in sliding rail 21, and sliding rail
21 are welded on the two sides of 1 inner wall of apparatus main body；Sliding rail 21 is quadrant arcuation, is i-beam structure, and tight with idler wheel 20
Closely connected conjunction；Further include a controller, be electrically connected with electric rotation shaft 17 and each blower, electric rotation shaft 17 can drive condenser
The maximum angle of 1 rotation is 90 °, and elastic component 19 has not only acted as buffer function, while connecting rod 18 being avoided to squeeze idler wheel 20
Power is excessive, caused idler wheel 20 serious wear in sliding rail 21；
Idler wheel 20 and sliding rail 21 are set, controlled by external controller, idler wheel 20 drive condenser 1 in sliding rail 21 with
Fixed frequency moves back and forth, while condenser fan 2 starts to drying chamber and is discharged into high temperature exothermic, air-flow more fully with condenser
1 contact, facilitates air-flow to gang up in condenser 1, to take more heats out of, improves the utilization rate of thermal energy.
It should be noted that the present invention is a kind of drying dehumidification recuperation of heat integrated machine, first
One, process is dried:
When baking room reaches dryer compressor start up condition, compressor 5 starts, and high-temperature medium enters cold after four-way valve 3
Condenser 1, condensation fan 2, which starts to drying chamber, is discharged into high temperature exothermic, and medium becomes owner of steaming by the way that 12 reducing pressure by regulating flow of electric expansion valve is laggard
It sends out device 10 and enters gas-liquid separator 4 after filter 13 by drying four-way valve 3 after the starting heat absorption of main evaporator blower 11
Return to compressor 5；
Two, dehumidify process:
When baking room humidity reaches dryer dehumidifying condition, compressor 5 starts, and high-temperature medium is laggard by four-way valve 3
Enter condenser 1, condensation fan 2, which starts to drying chamber, is discharged into high temperature exothermic, and medium enters after passing through 12 reducing pressure by regulating flow of electric expansion valve
Main evaporator 10, the starting heat absorption of main evaporator blower 11, solenoid valve 8 disconnect, and solenoid valve 9 is connected to recovery evaporator 6, dehumidifying wind
The starting dehumidifying of machine 7, medium enter gas-liquid separator 4 after filter 13 and return to compressor 5 by drying four-way valve 3；
Three, heat recovery scheme:
When outdoor temperature subnormal temperature, compressor 5 starts, and high-temperature medium enters condenser after four-way valve 3
1, condensation fan 2, which starts to drying chamber, is discharged into high temperature exothermic, and medium enters main evaporator after passing through 12 reducing pressure by regulating flow of electric expansion valve
10, the starting heat absorption of main evaporator blower 11, solenoid valve 8 disconnects, and solenoid valve 9 is connected to recovery evaporator 6, and dehumidifying blower 7 does not open
Dynamic dehumidifying, medium enter gas-liquid separator 4 after filter 13 and return to compressor 5 by drying four-way valve 3；
Increase dehumidifying hydrofuge and heat recovery apparatus on original Drying unit, in product drying course, drying product exists
When the moisture generated in temperature ramp de reaches certain humidity requirement, wet-emitting blower and dehumidification equipment are started to work, drying
It is outdoor that damp-heat air condenses into condensed water discharge when through other sensible heat evaporator, makes drying object during the drying process simultaneously
Reach temperature and humidity requirement；When outdoor environment temperature is relatively low, recuperation of heat can increase the use temperature of dryer, reduce
Increased using electrically heated energy consumption.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of drying dehumidification recuperation of heat integrated machine, including apparatus main body and the drying dehumidification recuperation of heat being mounted in apparatus main body
System, it is characterised in that: the side and top of described device main body are respectively equipped with air inlet (b) and air outlet (b), the air inlet
Fluted (16) are welded in the two sides of mouth one end (b), and are equipped with air intake plate (15) in groove (16), drying dehumidification recuperation of heat system
System includes condenser (1), main evaporator (10), compressor (5) and recovery evaporator (6), the condenser (1) and main steaming
It sends out device (10) and forms first circulation circuit by two pipelines, electric expansion valve (12), Ling Yiguan are installed on one pipeline
Solenoid valve (8) and four-way valve (3) are installed, other two port of the four-way valve (3) is sequentially installed with by pipeline on road
Compressor (5), gas-liquid separator (4) and filter (13) form second circulation circuit.
2. a kind of drying dehumidification recuperation of heat integrated machine according to claim 1, it is characterised in that: the solenoid valve (8)
Both ends have been installed in parallel recuperation of heat solenoid valve (9) and recovery evaporator (6) by pipeline, form pipeline branch.
3. a kind of drying dehumidification recuperation of heat integrated machine according to claim 1, it is characterised in that: the condenser (1), master
Evaporator (10) and recovery evaporator (6) are mating respectively to be equipped with condenser fan (2), main evaporator blower (11) and dehumidifying
Blower (7).
4. a kind of drying dehumidification recuperation of heat integrated machine according to claim 1, it is characterised in that: the groove (16) with into
The connection of aerofoil (15) draw and insert-type, and the side of air intake plate (15) is equipped with filter plate (14) by screw.
5. a kind of drying dehumidification recuperation of heat integrated machine according to claim 4, it is characterised in that: the filter plate (14) point
Other three layers, outermost layer is steel wire, and middle layer is cold catalyst and innermost layer is HEPA filter screen.
6. a kind of drying dehumidification recuperation of heat integrated machine according to claim 1, it is characterised in that: the condenser (1)
One end is equipped with electric rotation shaft (17), and the two sides of condenser (1) are welded with connecting plate (19), and the bottom end of connecting plate (19) is logical
Setting elastic component (19) connection idler wheel (20) is crossed, the idler wheel (20) is mating to be installed in sliding rail (21), and sliding rail (21) welds
In the two sides of apparatus main body (1) inner wall.
7. a kind of drying dehumidification recuperation of heat integrated machine according to claim 1, it is characterised in that: the sliding rail (21) is four
/ mono- arc-shaped is i-beam structure, and fits closely with idler wheel (20).
8. a kind of drying dehumidification recuperation of heat integrated machine according to claim 1, it is characterised in that: it further include a controller,
It is electrically connected with electric rotation shaft (17) and each blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811456204.0A CN109695968B (en) | 2018-11-30 | 2018-11-30 | Drying and dehumidifying heat recovery integrated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811456204.0A CN109695968B (en) | 2018-11-30 | 2018-11-30 | Drying and dehumidifying heat recovery integrated machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109695968A true CN109695968A (en) | 2019-04-30 |
| CN109695968B CN109695968B (en) | 2021-01-29 |
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| CN201811456204.0A Active CN109695968B (en) | 2018-11-30 | 2018-11-30 | Drying and dehumidifying heat recovery integrated machine |
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| US5983652A (en) * | 1991-04-26 | 1999-11-16 | Denso Corporation | Automotive air conditioner having condenser and evaporator provided within air duct |
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Denomination of invention: Drying dehumidification heat recovery integral machine Effective date of registration: 20210824 Granted publication date: 20210129 Pledgee: The small and medium-sized enterprise financing Company limited by guarantee Yingshang County Pledgor: ANHUI OURUIDA ELECTRICAL APPLIANCE TECHNOLOGY Co.,Ltd. Registration number: Y2021980008209 |