CN105737545A - Heat pump drying equipment fully utilizing humidity and heat - Google Patents

Heat pump drying equipment fully utilizing humidity and heat Download PDF

Info

Publication number
CN105737545A
CN105737545A CN201610252747.5A CN201610252747A CN105737545A CN 105737545 A CN105737545 A CN 105737545A CN 201610252747 A CN201610252747 A CN 201610252747A CN 105737545 A CN105737545 A CN 105737545A
Authority
CN
China
Prior art keywords
heat pump
machine hall
air
air door
drying equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610252747.5A
Other languages
Chinese (zh)
Inventor
程烨
曹坤文
杨德亮
朱景申
刘艳
都洪阳
高宇
高红军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HENAN BAIHENG ENERGY SAVING TECHNOLOGY Co Ltd
Original Assignee
HENAN BAIHENG ENERGY SAVING TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HENAN BAIHENG ENERGY SAVING TECHNOLOGY Co Ltd filed Critical HENAN BAIHENG ENERGY SAVING TECHNOLOGY Co Ltd
Priority to CN201610252747.5A priority Critical patent/CN105737545A/en
Publication of CN105737545A publication Critical patent/CN105737545A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/10Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in the open air; in pans or tables in rooms; Drying stacks of loose material on floors which may be covered, e.g. by a roof
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/40Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by drying or kilning; Subsequent reconstitution
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/02Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • F26B21/04Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00Heating arrangements
    • F26B23/001Heating arrangements using waste heat
    • F26B23/002Heating arrangements using waste heat recovered from dryer exhaust gases
    • F26B23/005Heating arrangements using waste heat recovered from dryer exhaust gases using a closed cycle heat pump system ; using a heat pipe system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/85Food storage or conservation, e.g. cooling or drying

Abstract

The invention discloses heat pump drying equipment fully utilizing humidity and heat. The heat pump drying equipment is composed of a drying chamber, a return air channel and a heat pump host chamber. The return air channel is located on the upper portion of the drying chamber and extends to the ground downwards. A heater is arranged at the juncture of the return air channel and the drying chamber and connected with a heat pump host through a connecting copper pipe. The heat pump host is mounted in the heat pump host chamber to form a heat pump system for supplying heat to the drying equipment. A circulating fan is mounted in the return air channel. Fresh air valves are mounted on the side wall, in contact with the outside, of the return air channel. A humidity elimination draught fan and a humidity elimination air channel are mounted on the upper portion of the return air channel. The humidity elimination air channel extends and stretches into the heat pump host chamber, and humid and hot air in the drying chamber is discharged into the heat pump host chamber through the humidity elimination draught fan and the humidity elimination air channel.

Description

A kind of heat pump drying equipment making full use of damp and hot amount
Technical field:
The present invention relates to a kind of heat pump drying equipment, be particularly well-suited to special equipment during other crop dehydrate such as agricultural byproducts.
Background technology:
At present, heat pump drying equipment has vast potential for future development in drying device field, particularly the drying field below 75 DEG C.Along with country increasingly payes attention to saving the aspect such as the energy, environmental conservation, the application of heat pump drying equipment is increasingly subject to people's attention.
Heat pump drying equipment is the special equipment of dry materials, and heat pump provides heat supply for drying equipment, and the air-flow after heating up is sent into drying chamber, and the air-flow of high temperature drying takes away the steam in material, thus reaching the purpose dried.Constantly take away steam, being gradually lowered of the temperature of air-flow along with high temperature gas flow, humidity increases, and the water separation capability of material is gradually lowered;When airflow humidity reaches to discharge the Hot wet air heating in a part of baking room after setting humidity target, it is simultaneously introduced the dry air in environment, proceeds dehydrate process.
Current heat pump drying equipment heat pump heating capacity and Energy Efficiency Ratio in compared with low ambient temperature is all relatively low; so when matching heat pump; often mate according to the thermic load under low ambient temperature; now heat-pump apparatus apolegamy can be very big; not only adding the initial outlay of drying equipment, the Energy Efficiency Ratio of heat pump drying equipment is relatively low at low ambient temperatures, and power savings advantages weakens; and when ambient temperature is higher, the utilization rate of heat-pump apparatus is very low.On the other hand, the Hot wet air heating that heat pump drying equipment is discharged can not get effective utilization, and major part heat is discharged in environment, causes the waste of heat.
Summary of the invention:
The task of the present invention is to propose to utilize dehumidifying heat, reduces a kind of heat pump drying equipment making full use of damp and hot amount of apolegamy number of devices and production cost.
The task of the present invention so completes, it is characterized in that: heat pump drying equipment is by drying chamber, return airway and heat pump machine hall are constituted, described return airway be positioned at drying chamber top and under extend to ground, the junction of return airway and drying chamber is provided with heater, described heater is connected by connecting copper pipe and heat pump main frame, and described heat pump main frame is seated in heat pump machine hall and is configured to the heat pump of drying equipment supply heat.In described return airway, circulating fan is installed, return airway and the side wall of extraneous contact are provided with new wind air door, return airway top is provided with wet-emitting blower and dehumidifying air channel, the prolongation of described dehumidifying air channel extends in heat pump machine hall, and the damp-heat air in drying chamber is entered in heat pump machine hall by wet-emitting blower and dehumidifying air channel.Placing material to be dried in described drying chamber, material is carried by loading attachment, and the air in drying chamber is by return airway and circulating fan, hot blast to be carried drying chamber after being heated by heater.At least one is placed in described heat pump machine hall, machine hall's temperature sensor is laid in heat pump machine hall, lay the sensor measuring ambient temperature with extraneous contact place outside heat pump machine hall, heat pump main frame top arranges air draft wind chamber, and described air draft wind intracavity is provided with machine hall's internal recycle air door and air draft air door.Described machine hall internal recycle air door is arranged on the wall that air draft wind chamber contacts with machine hall, and described air draft air door is arranged on the wall of air draft wind chamber and extraneous contact.Compressor, expansion valve, vaporizer and heat pump circuits is comprised in described heat pump main frame.The machine hall's internal recycle air door arranged on described air draft wind chamber and air draft air door, be turned on and off by Based Intelligent Control by environment temperature sensor and machine hall's temperature sensor.A, when machine hall's temperature is lower than ambient temperature, air draft air door is opened, machine hall's internal recycle air door close;Outside air enters machine hall by shutter, and heat pump main frame and the air entering machine hall are drained into air draft wind intracavity, are discharged to external environment through air draft air door after carrying out Cooling capacity exchanging;B, when machine hall's temperature is not less than ambient temperature, air draft air door close, machine hall's internal recycle air door is opened;Heat pump main frame absorbs main frame room air, is drained into air draft wind intracavity after Cooling capacity exchanging, and through machine hall, internal recycle air door reenters machine hall, is again sucked by heat pump main frame and utilizes;C, when machine hall's temperature higher than 40 DEG C time, air draft air door is opened, machine hall's internal recycle air door close;Force the air of excessive temperature to discharge machine hall, it is prevented that heat pump main frame electric current is too high.
The present invention have the effect that the technical program ensure material at low ambient temperatures can normal dehydrate, under not increasing (increasing on a small quantity) heat pump capabilities might, keep heat pump Effec-tive Function, the Energy Efficiency Ratio of operation of heat pump under raising low ambient temperature.This structural design is simple, it is easy to accomplish, and save drying equipment initial outlay, improve energy utilization rate.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the technical program;Fig. 2 is the side view of Fig. 1;Fig. 3 is the top view of Fig. 1;Fig. 4 is this structure not dehumidifying, does not introduce the working state schematic representation of new wind;Fig. 5 is the side view of Fig. 4;Dehumidifying when Fig. 6 is this arrangement works, introduce the schematic diagram of new wind;Fig. 7 is the side view of Fig. 6;Fig. 8 is the top view of Fig. 7.
Drawing illustrates: 1, heat pump drying equipment, 2, environment temperature sensor, 3, heat pump machine hall, 4, heat pump main frame, 5, machine hall's temperature sensor, 6, circulating fan, 7, connecting copper pipe, 8, heater, 9, drying chamber, 10, material loading attachment, 11, material, 12, return airway, 13, wet-emitting blower, 14, dehumidifying air channel, 15, shutter, 16, machine hall's internal recycle air door, 17, air draft air door, 18, new wind air door, 19, air draft wind chamber.
Detailed description of the invention:
Embodiment is described in detail in conjunction with the figures above, as shown in Figure 1, Figure 2 and Figure 3, heat pump drying equipment 1 is by drying chamber 9, return airway 12 and heat pump machine hall 3 are constituted, described return airway 12 be positioned at drying chamber 9 top and under extend to ground, the junction of return airway and drying chamber 9 is provided with heater 8, described heater is connected by connecting copper pipe 7 and heat pump main frame 4, described heat pump main frame is seated in heat pump machine hall 3 and is configured to the heat pump of drying equipment supply heat, and described heater is to select heat pump condenser;
In described return airway 12, circulating fan 6 is installed, return airway and the side wall of extraneous contact are provided with new wind air door 18 as shown in Figure 3, for introducing the hothouse gas in the external world, return airway top is provided with wet-emitting blower 13 and dehumidifying air channel 14, described dehumidifying air channel extends and extends in heat pump machine hall, and the damp-heat air in drying chamber can pass through wet-emitting blower 13 and enter in heat pump machine hall (as shown in Figure 1) by dehumidifying air channel 14;
Placing material 11 to be dried in described drying chamber, material is carried by loading attachment 10, and the air in drying chamber is by return airway and circulating fan, hot blast to be carried drying chamber after being heated by heater 8, for the drying of material;
nullAt least one heat pump main frame 4 is placed in described heat pump machine hall 3,Can be placed one or more according to job demand,Machine hall's temperature sensor 5 is laid in heat pump machine hall,For measuring the temperature of heat pump machine hall,Lay the sensor 2 measuring ambient temperature with extraneous contact place outside heat pump machine hall,Heat pump main frame 4 top arranges air draft wind chamber 19,Described air draft wind intracavity is provided with machine hall's internal recycle air door 16 and air draft air door 17,Described machine hall internal recycle air door 16 is arranged on the wall that air draft wind chamber 19 contacts with machine hall,Described air draft air door 17 is arranged on air draft wind chamber 19 and (as shown in Figure 3) on the wall of extraneous contact,Air after heat pump main frame heat exchange is drained into air draft wind intracavity,It is recycled back into machine hall by machine hall's internal recycle air door or is discharged to the external world by air draft air door,Its concrete intelligence controls to can be selected for PLC or single-chip microcomputer,Concrete control is as described below:
The machine hall's internal recycle air door 16 and the air draft air door 17 that arrange on described air draft wind chamber 19 are turned on and off by Based Intelligent Control by environment temperature sensor 2 and machine hall's temperature sensor 5;It specifically controls logic:
A, when machine hall's temperature is lower than ambient temperature, air draft air door 17 is opened, and machine hall's internal recycle air door 16 is closed;Outside air enters machine hall by shutter 15, and heat pump main frame and the air entering machine hall are drained in air draft wind chamber 19, are discharged to external environment through air draft air door 17 after carrying out Cooling capacity exchanging;
B, when machine hall's temperature is not less than ambient temperature, air draft air door 17 is closed, and machine hall's internal recycle air door 16 is opened;Heat pump main frame absorbs main frame room air, is drained in air draft wind chamber 19, reenters machine hall through machine hall's internal recycle air door 16 after Cooling capacity exchanging, is again sucked by heat pump main frame and utilizes;
C, when machine hall's temperature higher than 40 DEG C (actual temp numerical value is adjustable according to different situations) time, air draft air door 17 is opened, and machine hall's internal recycle air door 16 is closed;Force the air of excessive temperature to discharge machine hall, it is prevented that heat pump main frame electric current is too high.
Described heat pump drying equipment is that in minimizing system, heat outwards transmits, and reduces thermal loss, and the outer wall of drying chamber 9, return airway 12 and heat pump machine hall 3 all selects the good insulation material of heat-insulating property, such as polyurethane thermal insulation board, rock-wool heat insulation plate etc.;
Compressor, expansion valve, vaporizer, heat pump circuits and other refrigeration accessories is comprised in described heat pump main frame 4;Arranging heat pump main frame can make heat pump structure compacter, easy to install;
Equipment working state be not dehumidifying, do not introduce the duty of new wind as shown in Figure 4, now owing to having made full use of without the dehumidifying heat in the dehumidifying heat supply of drying equipment or heat pump machine hall 3 in machine hall 3, main frame indoor temperature and ambient temperature basically identical (or slightly below ambient temperature), now air draft air door 17 is opened, and machine hall's internal recycle air door 16 is closed;Outside air enters machine hall by shutter 15, and heat pump main frame and the air entering machine hall are drained in air draft wind chamber 19, are discharged to external environment through air draft air door 17 after carrying out Cooling capacity exchanging.Heat pump main frame and external environment carry out heat exchange, it is ensured that heat pump is properly functioning, and this duty is identical with common heat pump drying device work process.
This duty is that dehumidifying introduces the duty of new wind as shown in Figure 6, and now owing to receiving the dehumidifying heat of drying equipment in machine hall 3, main frame indoor temperature can be higher than ambient temperature, and now air draft air door 17 is closed, and machine hall's internal recycle air door 16 is opened;Heat pump main frame sucks main frame room air, is drained in air draft wind chamber 19, reenters machine hall through machine hall's internal recycle air door 16 after Cooling capacity exchanging, is again sucked by heat pump main frame and utilizes;Hot wet air heating temperature owing to discharging from drying equipment is higher, humidity is relatively big, can be very big by the heat of heat pump host computer.Rely on the space that heat pump machine hall is formed, the heat underused is recycled again, until machine hall's temperature is lower than after ambient temperature, air draft air door 17 is opened, machine hall's internal recycle air door 16 is closed, and heat pump drying equipment again circulates not dehumidifying, do not introduce the duty of new wind.
Dehumidifying is relied on to discharge the moisture in material on the other hand in heat pump drying process, dehumidifying process accounts for the large percentage of total dry run, and dehumidifying Btu utilization is considerable, even if at low ambient temperatures, thermo-compression evaporation temperature will not be very low, can improve heat pump heating capacity and heat pump Energy Efficiency Ratio by a relatively large margin.This drying equipment running status is the feature of the present invention.

Claims (8)

1. the heat pump drying equipment making full use of damp and hot amount, it is characterized in that: heat pump drying equipment is by drying chamber, return airway and heat pump machine hall are constituted, described return airway be positioned at drying chamber top and under extend to ground, the junction of return airway and drying chamber is provided with heater, described heater is connected by connecting copper pipe and heat pump main frame, and described heat pump main frame is seated in heat pump machine hall and is configured to the heat pump of drying equipment supply heat.
2. a kind of heat pump drying equipment making full use of damp and hot amount according to claim 1, it is characterized in that: in described return airway, circulating fan is installed, return airway and the side wall of extraneous contact are provided with new wind air door, return airway top is provided with wet-emitting blower and dehumidifying air channel, the prolongation of described dehumidifying air channel extends in heat pump machine hall, and the damp-heat air in drying chamber is entered in heat pump machine hall by wet-emitting blower and dehumidifying air channel.
3. a kind of heat pump drying equipment making full use of damp and hot amount according to claim 1, it is characterized in that: in described drying chamber, place material to be dried, material is carried by loading attachment, and the air in drying chamber is by return airway and circulating fan, hot blast to be carried drying chamber after being heated by heater.
4. a kind of heat pump drying equipment making full use of damp and hot amount according to claim 1, it is characterized in that: in described heat pump machine hall, place at least one, machine hall's temperature sensor is laid in heat pump machine hall, lay the sensor measuring ambient temperature with extraneous contact place outside heat pump machine hall, heat pump main frame top arranges air draft wind chamber, and described air draft wind intracavity is provided with machine hall's internal recycle air door and air draft air door.
5. a kind of heat pump drying equipment making full use of damp and hot amount according to claim 1, it is characterized in that: described machine hall internal recycle air door is arranged on the wall that air draft wind chamber contacts with machine hall, described air draft air door is arranged on the wall of air draft wind chamber and extraneous contact.
6. a kind of heat pump drying equipment making full use of damp and hot amount according to claim 1, it is characterised in that: comprise compressor, expansion valve, vaporizer and heat pump circuits in described heat pump main frame.
7. a kind of heat pump drying equipment making full use of damp and hot amount according to claim 1, it is characterized in that: the machine hall's internal recycle air door arranged on described air draft wind chamber and air draft air door, be turned on and off by Based Intelligent Control by environment temperature sensor and machine hall's temperature sensor.
8. a kind of heat pump drying equipment making full use of damp and hot amount according to claim 7, it is characterised in that: a, when machine hall's temperature is lower than ambient temperature, air draft air door is opened, and machine hall's internal recycle air door is closed;Outside air enters machine hall by shutter, and heat pump main frame and the air entering machine hall are drained into air draft wind intracavity, are discharged to external environment through air draft air door after carrying out Cooling capacity exchanging;
B, when machine hall's temperature is not less than ambient temperature, air draft air door close, machine hall's internal recycle air door is opened;Heat pump main frame absorbs main frame room air, is drained into air draft wind intracavity after Cooling capacity exchanging, and through machine hall, internal recycle air door reenters machine hall, is again sucked by heat pump main frame and utilizes;
C, when machine hall's temperature higher than 40 DEG C time, air draft air door is opened, machine hall's internal recycle air door close;Force the air of excessive temperature to discharge machine hall, it is prevented that heat pump main frame electric current is too high.
CN201610252747.5A 2016-04-22 2016-04-22 Heat pump drying equipment fully utilizing humidity and heat Pending CN105737545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610252747.5A CN105737545A (en) 2016-04-22 2016-04-22 Heat pump drying equipment fully utilizing humidity and heat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610252747.5A CN105737545A (en) 2016-04-22 2016-04-22 Heat pump drying equipment fully utilizing humidity and heat

Publications (1)

Publication Number Publication Date
CN105737545A true CN105737545A (en) 2016-07-06

Family

ID=56255797

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610252747.5A Pending CN105737545A (en) 2016-04-22 2016-04-22 Heat pump drying equipment fully utilizing humidity and heat

Country Status (1)

Country Link
CN (1) CN105737545A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106225435A (en) * 2016-07-21 2016-12-14 广州能之原科技股份有限公司 A kind of heat pump heat-supply device by two-way ventilating being applied to timber stoving
CN106568303A (en) * 2016-08-23 2017-04-19 曾进 Emperor chrysanthemum drying device
CN106855353A (en) * 2017-03-31 2017-06-16 河南佰衡节能科技股份有限公司 Heat pump drying equipment and drying means with dehumidification type Yu hydrofuge type handoff functionality
CN110360813A (en) * 2019-07-23 2019-10-22 佛山市瑞海制冷设备有限公司 A kind of tobacco roasting heat-pump apparatus cooling tower cooling system
CN111664666A (en) * 2020-06-11 2020-09-15 青岛科技大学 Seed heat pump drying device with multiple operation modes
CN112484406A (en) * 2020-11-15 2021-03-12 云南省烟草农业科学研究院 Energy-saving control method for air source heat pump curing barn, storage medium and energy-saving curing barn

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050164A (en) * 1976-03-08 1977-09-27 Cromwell B. Campbell Grain dryer construction
JPH06281330A (en) * 1993-03-30 1994-10-07 Kubota Corp Dehumidifying drier
CN102410709A (en) * 2011-11-30 2012-04-11 华南理工大学 Heat pump drying device
CN204757623U (en) * 2015-07-03 2015-11-11 河南天赫伟业能源科技有限公司 Take intelligent high temperature heat pump drying system of damp and hot recovery
CN204787719U (en) * 2015-06-26 2015-11-18 河南佰衡节能技术有限公司 Heat pump drying system of horizontal air current type
CN204830701U (en) * 2015-07-01 2015-12-02 河南佰衡节能技术有限公司 Dry tunnel room of dehumidification type heat pump
CN105258455A (en) * 2015-11-03 2016-01-20 中国科学院理化技术研究所 Sealed heat pump drying system
CN105487584A (en) * 2016-01-12 2016-04-13 河南佰衡节能科技股份有限公司 Heat pump type curing barn environment humidity control system
CN205718267U (en) * 2016-04-22 2016-11-23 河南佰衡节能科技股份有限公司 A kind of heat pump drying equipment making full use of damp and hot amount

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050164A (en) * 1976-03-08 1977-09-27 Cromwell B. Campbell Grain dryer construction
JPH06281330A (en) * 1993-03-30 1994-10-07 Kubota Corp Dehumidifying drier
CN102410709A (en) * 2011-11-30 2012-04-11 华南理工大学 Heat pump drying device
CN204787719U (en) * 2015-06-26 2015-11-18 河南佰衡节能技术有限公司 Heat pump drying system of horizontal air current type
CN204830701U (en) * 2015-07-01 2015-12-02 河南佰衡节能技术有限公司 Dry tunnel room of dehumidification type heat pump
CN204757623U (en) * 2015-07-03 2015-11-11 河南天赫伟业能源科技有限公司 Take intelligent high temperature heat pump drying system of damp and hot recovery
CN105258455A (en) * 2015-11-03 2016-01-20 中国科学院理化技术研究所 Sealed heat pump drying system
CN105487584A (en) * 2016-01-12 2016-04-13 河南佰衡节能科技股份有限公司 Heat pump type curing barn environment humidity control system
CN205718267U (en) * 2016-04-22 2016-11-23 河南佰衡节能科技股份有限公司 A kind of heat pump drying equipment making full use of damp and hot amount

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106225435A (en) * 2016-07-21 2016-12-14 广州能之原科技股份有限公司 A kind of heat pump heat-supply device by two-way ventilating being applied to timber stoving
CN106568303A (en) * 2016-08-23 2017-04-19 曾进 Emperor chrysanthemum drying device
CN106855353A (en) * 2017-03-31 2017-06-16 河南佰衡节能科技股份有限公司 Heat pump drying equipment and drying means with dehumidification type Yu hydrofuge type handoff functionality
CN110360813A (en) * 2019-07-23 2019-10-22 佛山市瑞海制冷设备有限公司 A kind of tobacco roasting heat-pump apparatus cooling tower cooling system
CN111664666A (en) * 2020-06-11 2020-09-15 青岛科技大学 Seed heat pump drying device with multiple operation modes
CN112484406A (en) * 2020-11-15 2021-03-12 云南省烟草农业科学研究院 Energy-saving control method for air source heat pump curing barn, storage medium and energy-saving curing barn

Similar Documents

Publication Publication Date Title
CN105737545A (en) Heat pump drying equipment fully utilizing humidity and heat
CN204881100U (en) Multi -functional drying and dehumidification device
CN105318707A (en) Multifunctional drying and dehumidifying device and drying and dehumidifying method thereof
CN101545196B (en) Cold-heat integrated air-conditioned clothes dryer
CN106918206B (en) A kind of multi-state type solar-energy air-energy heat pump agricultural product drying case heating plant
CN110597332A (en) Curing barn dry-wet ball temperature control method and curing barn dry-wet ball temperature control system
CN104487783A (en) Multipurpose air energy water heater
CN205561498U (en) Joint hot air drying device of full -automatic high -efficient low temperature dehumidification
CN205536673U (en) Dry heat pump system of constant temperature
CN204881113U (en) Solar energy and heat pump be multi -functional drying system of integration jointly
CN102168361A (en) Solar drying cupboard
CN201467899U (en) Intelligent type drying system for cured meat with solar energy and air source heat pump
CN104487782A (en) Multipurpose air energy water heater
CN105783472A (en) Heat pump-type vermicelli drying equipment
CN103115407B (en) Dry air conditioner dehumidification all-in-one
CN205718267U (en) A kind of heat pump drying equipment making full use of damp and hot amount
CN202323497U (en) Automatic dehumidifying drying machine
CN106152763A (en) A kind of air-dried type drying device
CN205747829U (en) A kind of pump type heat fine dried noodles drying equipment
CN205420856U (en) Dry clothing heat pump system of heat recovery and heat pump dryer
CN201911266U (en) Energy-saving and environmentally friendly hot air baking room for food drying and processing
CN204648893U (en) Moderate and high temperature heat alternating temperature drying device
CN205747871U (en) A kind of heat pump drying equipment
CN107014160A (en) Solar energy, air energy Dual-energy source drying integral machine
CN208901667U (en) A kind of combined heat pump dehumidification system with heat extraction heat absorption defrost coupling function

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20160706

WD01 Invention patent application deemed withdrawn after publication