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CN110260605A - A kind of total heat recovery and the united baking room of backheat that dehumidifies - Google Patents

A kind of total heat recovery and the united baking room of backheat that dehumidifies Download PDF

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Publication number
CN110260605A
CN110260605A CN201910481152.0A CN201910481152A CN110260605A CN 110260605 A CN110260605 A CN 110260605A CN 201910481152 A CN201910481152 A CN 201910481152A CN 110260605 A CN110260605 A CN 110260605A
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CN
China
Prior art keywords
heat
heat exchanger
air
united
evaporator
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Granted
Application number
CN201910481152.0A
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Chinese (zh)
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CN110260605B (en
Inventor
周军建
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Henan Jie Jie Agricultural Development Co Ltd
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Henan Jie Jie Agricultural Development Co Ltd
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Priority to CN201910481152.0A priority Critical patent/CN110260605B/en
Publication of CN110260605A publication Critical patent/CN110260605A/en
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    • 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
    • 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
    • F26B21/06Controlling, e.g. regulating, parameters of gas supply
    • F26B21/08Humidity
    • 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
    • F26B9/02Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in buildings
    • 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
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a kind of total heat recoveries and the dehumidifying united baking room of backheat, including drying room and thermal control chamber, open system heat pump, closed system heat pump, First Heat Exchanger and the second heat exchanger are equipped in thermal control chamber, open system heat pump includes the first compressor, the first condenser and the first evaporator;Closed system heat pump includes the second compressor, the second condenser and the second evaporator;The cold flow channel outlet of circulating air opening, the heat passage entrance of the second heat exchanger and First Heat Exchanger is connected to by the second air duct of three-port structure;The heat passage of second heat exchanger, which is exported, is arranged the second evaporator between the entrance in cold flow channel;The heat passage of First Heat Exchanger, which is exported, is arranged the first evaporator between exhaust outlet.The dryer retains and plays open type and the advantages of enclosed, and the article deforming after drying is small, appearance is good, inherent fragrance foot, operating cost are low.

Description

A kind of total heat recovery and the united baking room of backheat that dehumidifies
Technical field
The invention belongs to drying equipment technology, in particular to a kind of total heat recovery with heat exchanger and dehumidifying backheat United baking room.
Background technique
Heat pump dryer mainly uses two kinds of operational modes of open type or enclosed, and so-called heat pump open type mode is relative to heat For pumping enclosed mode, in open type mode, the air being sent into baking room is heated by the condenser in thermal control chamber, is recycled Heating is oven-dried object.It is compressor and evaporator that host is dried outside baking room, for absorbing outdoor air heat.Enclosed mode Air in middle baking room is heated by condenser, carries out absorption backheat using evaporator.The production of heat pump open system drying For product there are appearance deficiency, color is poor, in article the shortcomings that color air-flow loses.
Enclosed hydrofuge drying and open type hot-air seasoning be two different principles drying equipment, two methods have their own advantages and Disadvantage, enclosed is dry to dry processed product, and article deforming is small, and just, fragrance foot, enclosed drying operating cost is low, closes for color The shortcomings that formula hydrofuge is dried is: in the later period of drying course, be more than after 50 °C in drying temperature, at this moment in baking room humidity compared with It is small, and the evaporator with heat pump of enclosed drying and type separating heat-pipe evaporator are all freezing, and humidity is small not to condense how many Water, refrigeration influence drying heating temperature.Refrigeration influences drying heating temperature at this time, and efficiency is low compared with open type at this time.
Enclosed exists in the prior art and open type dries the dryer that can mutually switch, is controlled and is heated by Electric air valve The flow path of gas toggles between open type and enclosed, but it is this be still unavoidable from open type and enclosed drying this Body there are the characteristics of, can still have pattern switching cannot match the drying characteristic of different product, and it is insufficient to lead to dry appearance, color It is poor, in article the shortcomings that color air-flow loses and disadvantage that hydrofuge is bad, power-consuming.
Summary of the invention
It is excellent the purpose of the present invention is in view of the above shortcomings of the prior art, providing a kind of drying of combination open type and enclosed drying The total heat recovery and the dehumidifying united baking room of backheat of point.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of total heat recovery and the united baking room of backheat that dehumidifies, including drying room and thermal control chamber, the drying room are equipped with The air outlet and return air inlet being connected with the thermal control chamber, the thermal control chamber are equipped with fresh air inlet and exhaust outlet, the return air inlet quilt It is separated into circulating air opening and hydrofuge air port up and down;It is changed in the thermal control chamber equipped with open system heat pump, closed system heat pump, first Hot device and the second heat exchanger, the open system heat pump include the first compressor, the first condenser and the first evaporator;Institute Stating closed system heat pump includes the second compressor, the second condenser and the second evaporator;The First Heat Exchanger and second Heat exchanger includes heat passage and cold flow channel.
The fresh air inlet is connected to the cold flow feeder connection of First Heat Exchanger by the first air duct;The circulated air The cold flow channel outlet of mouth, the heat passage entrance of the second heat exchanger and First Heat Exchanger passes through the second air duct of three-port structure It is connected to;It before circulation return air enters close-type evaporator, first passes through and is mixed into fresh air, the second heat exchanger, reduce return air temperature, improve Moisture exclusion efficiency.
The heat passage outlet of second heat exchanger and the entrance in the cold flow channel of second heat exchanger pass through third air duct It is connected to, second evaporator is arranged in the third air duct;The effect of second evaporator is cold to circulated air progress Solidifying, since the second heat exchanger cools down one step ahead, the condensation effect of evaporator carries out circulated air compared to directly cold Solidifying effect greatly enhances, and reduces the overall power of closed system heat pump.The cold flow channel of second heat exchanger goes out Mouthful be connected to the air outlet by the 4th air duct, be provided in the 4th air duct circulating fan, the first condenser with And second condenser.
The hydrofuge air port is connected with the heat passage entrance of the First Heat Exchanger, the hot-fluid of the First Heat Exchanger Channel outlet is connected to the exhaust outlet by five-duct, and first evaporator is arranged in the five-duct. First evaporator draws the heat in ambient enviroment and hydrofuge.In hydrofuge return air heat and the relatively lower temp fresh air of entrance into Row heat exchange reduces the temperature of air draft, improves the temperature for entering fresh air, reduces the humidity of fresh air.
It is additionally provided with Electric air valve in the five-duct, is equipped with wet-emitting blower at the exhaust outlet.
Electric control box, the electric control box and open system heat pump, closed system heat pump, electricity are equipped on the outside of the thermal control chamber Dynamic air-valve, circulating fan and wet-emitting blower control connection.
The First Heat Exchanger and the second heat exchanger are wind-wind plate heat exchanger.
The top of the drying room is equipped with orifice-plate type air duct, and the orifice-plate type air duct is connected with the air outlet, described Orifice-plate type air duct is the plate for having cavity, has been evenly distributed multiple exhaust vents on bottom surface.
The wall of the drying room is equipped with polyurathamc heat room plate.
The return air inlet is equipped with filter screen.Circulated air enters closed system through filtering return air.
Aluminum alloy beancurd leaf is equipped at the fresh air inlet.
The tail end of the drying room is equipped with and is opened flat heat preservation Double-wing door.
The working principle of the dryer: circulating fan outlet air, through air outlet and galvanized iron sheet top plate orifice-plate type air duct, hot wind It blows over vertically downward and is oven-dried article, then return air is divided into two parts, the smaller return air of middle and upper part point humidity following through return air inlet Ring air port enters the second air duct, and the fresh air of fresh air inlet enters the second air duct through the cold flow channel of the first air duct, First Heat Exchanger, Return air and fresh air cross into the heat passage of the second heat exchanger, then dehumidify through the second evaporator condensation, change again through second The cold flow channel of hot device is heated for the first time, is further heated by the first condenser, the second condenser, is sent out through circulating fan, Complete a circulation.
The lower part biggish return air of humidity is recuperation of heat hydrofuge, this part return air enters First Heat Exchanger through hydrofuge air port Heat passage recycles heat, then passes through the first evaporator and is discharged after further absorbing heat through exhaust outlet.
The beneficial effects of the present invention are: there are two wind paths mutually to blend, wherein a wind path is inside the dryer Closed cycle is being converged after drying product through circulating air opening and fresh air, into recuperation of heat is carried out in the second heat exchanger, Recuperation of heat again in two evaporators, wind after cooling are filled by the second heat exchanger and the first condenser and the second condenser Point heating, the abundant hydrofuge which is carried out and is reheated;Another wind path then passes through First Heat Exchanger and second Evaporator carries out recycling heat.The dryer overcomes heat pump open system drying appearance deficiency, and color is poor, in color in article The advantages of the shortcomings that air-flow loses, and overcomes bad, the power-consuming disadvantage of heat pump closed system hydrofuge, both retains and plays, dries Article deforming after dry is small, appearance is good, inherent fragrance foot, operating cost are low.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment;
Fig. 2 is the structural schematic diagram of thermal control chamber;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the wind direction schematic diagram of embodiment.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book is understood other advantages and efficacy of the present invention easily.
As shown in Figure 1 to Figure 3, a kind of total heat recovery and the dehumidifying united baking room of backheat, including drying room 2 and thermal control Room 1, the drying room 2 are equipped with the air outlet 21 and return air inlet being connected with the thermal control chamber 1, and the thermal control chamber 1 is equipped with fresh air Entrance 12 and exhaust outlet 11, the return air inlet are separated into circulating air opening 22 and hydrofuge air port 23 up and down;It is set in the thermal control chamber 1 There are open system heat pump, closed system heat pump, First Heat Exchanger 5 and the second heat exchanger 6, the open system heat pump includes the One compressor 31, the first condenser 32 and the first evaporator 33;The closed system heat pump includes the second compressor 41, second Condenser 42 and the second evaporator 43;The First Heat Exchanger 5 and the second heat exchanger 6 include that heat passage and cold flow are logical Road.
The fresh air inlet 12 is connected to the cold flow feeder connection of First Heat Exchanger 5 by the first air duct 71;It is described The cold flow channel outlet of circulating air opening 22, the heat passage entrance of the second heat exchanger 6 and First Heat Exchanger 5 passes through three-port structure The second air duct 72 be connected to;It before circulation return air enters the second evaporator 43, first passes through and is mixed into fresh air, the second heat exchanger 6, drop Low return air temperature improves moisture exclusion efficiency.
The heat passage outlet of second heat exchanger 6 and the entrance in the cold flow channel of second heat exchanger 6 pass through third wind Road 73 is connected to, and second evaporator 43 is arranged in the third air duct 73;The cold flow channel of second heat exchanger 6 Outlet passes through the 4th air duct 74 with the air outlet 21 and is connected to, and circulating fan 81, the are provided in the 4th air duct 74 One condenser 32 and the second condenser 42.
The hydrofuge air port 23 is connected with the heat passage entrance of the First Heat Exchanger 5, the First Heat Exchanger 5 Heat passage outlet is connected to the exhaust outlet 11 by five-duct 75, and first evaporator 33 is arranged described the In five-duct 75.First evaporator 33 draws the heat in ambient enviroment and hydrofuge.Heat and entrance is opposite in hydrofuge return air Lower temperature fresh air carries out heat exchange, reduces the temperature of air draft, improves the temperature for entering fresh air, reduces the humidity of fresh air.
It is additionally provided with Electric air valve 83 in the five-duct 75, is equipped with wet-emitting blower 82 at the exhaust outlet 11.
It is equipped with electric control box 9 on the outside of the thermal control chamber 1, touch LCD screen is set on electric control box 9.The electric control box 9 It controls and connects with open system heat pump, closed system heat pump, Electric air valve 83, circulating fan 81 and wet-emitting blower 82.
The First Heat Exchanger 5 and the second heat exchanger 6 are wind-wind plate heat exchanger.
The top of the drying room 2 is equipped with orifice-plate type air duct 24, and the orifice-plate type air duct 24 is connected with the air outlet 21 Logical, the orifice-plate type air duct 24 is the plate for having cavity, has been evenly distributed multiple exhaust vents on bottom surface.
The wall of the drying room 2 is equipped with polyurathamc heat room plate 25.
The return air inlet is equipped with filter screen.Circulated air enters closed system through filtering return air.
Aluminum alloy beancurd leaf is equipped at the fresh air inlet 12.
The tail end of the drying room 2, which is equipped with, is opened flat heat preservation Double-wing door 26.
As shown in figure 4, the working principle of the dryer: 81 outlet air of circulating fan, through air outlet 21 and galvanized iron sheet top plate Orifice-plate type air duct 24, hot wind is blown over vertically downward is oven-dried article, and then return air is divided into two parts, and middle and upper part divides humidity smaller Return air enters the second air duct 72 through the circulating air opening 22 of return air inlet, and the fresh air of fresh air inlet 12 exchanges heat through the first air duct 71, first The cold flow channel of device 5 enters the second air duct 72, and return air and fresh air cross into the heat passage of the second heat exchanger 6, then through the Two evaporators, 43 dehumidification by condensation, the cold flow channel again through the second heat exchanger 6 are heated for the first time, by the first condenser 32, second Condenser 42 further heats, and sends out through circulating fan 81, completes a circulation.
The lower part biggish return air of humidity is recuperation of heat hydrofuge, this part return air enters First Heat Exchanger through hydrofuge air port 23 5 heat passage recycles heat, then passes through the first evaporator 33 and is discharged after further absorbing heat through exhaust outlet 11.
There are two wind paths mutually to blend, wherein a wind path is closed cycle, by drying inside the dryer Converge through circulating air opening 22 with fresh air after product, into recuperation of heat is carried out in the second heat exchanger 6, in the second evaporator 43 again Recuperation of heat, wind after cooling are adequately heated by the second heat exchanger 6 and the first condenser 32 and the second condenser 42, It abundant hydrofuge that the circulated air is carried out and is reheated;Another wind path then passes through First Heat Exchanger 5 and the second evaporator 43 Carry out recycling heat.
The basic principles, main features and advantages of the present invention have been shown and described above.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, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes Change and improvement is both fallen within the scope of claimed invention.The claimed scope of the invention is by appended claims and is equal Object defines.
In the description of the present invention, it is to be understood that, term "front", "rear", "left", "right", "center", etc. instructions Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is only that the present invention is described with simplified for ease of description, Rather than indicate or imply signified device or element and must have a particular orientation, construct and operate for specific orientation, because And it should not be understood as the limitation to present invention protection content.

Claims (9)

1. a kind of total heat recovery and the dehumidifying united baking room of backheat, including drying room and thermal control chamber are set on the drying room There are the air outlet and return air inlet being connected with the thermal control chamber, the thermal control chamber is equipped with fresh air inlet and exhaust outlet, it is characterised in that: The return air inlet is separated into circulating air opening and hydrofuge air port up and down;Open system heat pump, enclosed system are equipped in the thermal control chamber Unite heat pump, First Heat Exchanger and the second heat exchanger, the open system heat pump include the first compressor, the first condenser and First evaporator;The closed system heat pump includes the second compressor, the second condenser and the second evaporator;Described first changes Hot device and the second heat exchanger include heat passage and cold flow channel;The cold flow channel of the fresh air inlet and First Heat Exchanger Entrance is connected to by the first air duct;The heat passage entrance and First Heat Exchanger of the circulating air opening, the second heat exchanger Cold flow channel outlet be connected to by the second air duct of three-port structure;The heat passage outlet and described the of second heat exchanger The entrance in the cold flow channel of two heat exchangers is connected to by third air duct, and second evaporator is arranged in the third air duct In;The cold flow channel outlet of second heat exchanger is connected to the air outlet by the 4th air duct, the 4th air duct In be provided with circulating fan, the first condenser and the second condenser;The hot-fluid in the hydrofuge air port and the First Heat Exchanger Feeder connection is connected, and the heat passage outlet of the First Heat Exchanger is connected to the exhaust outlet by five-duct, First evaporator is arranged in the five-duct.
2. total heat recovery and the dehumidifying united baking room of backheat according to claim 1, it is characterised in that: the five-duct In be additionally provided with Electric air valve, wet-emitting blower is equipped at the exhaust outlet.
3. total heat recovery and the dehumidifying united baking room of backheat according to claim 2, it is characterised in that: outside the thermal control chamber Side is equipped with electric control box, the electric control box and open system heat pump, closed system heat pump, Electric air valve, circulating fan and Wet-emitting blower control connection.
4. total heat recovery and the dehumidifying united baking room of backheat according to claim 1, it is characterised in that: first heat exchange Device and the second heat exchanger are wind-wind plate heat exchanger.
5. total heat recovery and the dehumidifying united baking room of backheat according to claim 1, it is characterised in that: the drying room Top is equipped with orifice-plate type air duct, and the orifice-plate type air duct is connected with the air outlet, and the orifice-plate type air duct is one and has The plate of cavity has been evenly distributed multiple exhaust vents on bottom surface.
6. total heat recovery and the dehumidifying united baking room of backheat according to claim 5, it is characterised in that: the drying room Wall is equipped with polyurathamc heat room plate.
7. total heat recovery and the dehumidifying united baking room of backheat according to claim 1, it is characterised in that: on the return air inlet Equipped with filter screen.
8. total heat recovery and the dehumidifying united baking room of backheat according to claim 1, it is characterised in that: the fresh air inlet Place is equipped with aluminum alloy beancurd leaf.
9. total heat recovery and the dehumidifying united baking room of backheat according to claim 1, it is characterised in that: the drying room Tail end is equipped with and is opened flat heat preservation Double-wing door.
CN201910481152.0A 2019-06-04 2019-06-04 Drying room combining total heat recovery and dehumidification heat regeneration Active CN110260605B (en)

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Application Number Priority Date Filing Date Title
CN201910481152.0A CN110260605B (en) 2019-06-04 2019-06-04 Drying room combining total heat recovery and dehumidification heat regeneration

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CN110260605A true CN110260605A (en) 2019-09-20
CN110260605B CN110260605B (en) 2020-11-03

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110864506A (en) * 2019-12-25 2020-03-06 浙江柿子新能源科技有限公司 Heating and dehumidifying function integrated drying room and working method thereof
CN111000275A (en) * 2019-12-27 2020-04-14 许昌智工机械制造有限公司 Tobacco leaf drying system
CN111588066A (en) * 2020-06-29 2020-08-28 广东依明机械科技有限公司 Double-backheating combined cycle heat pump drying system
CN111588065A (en) * 2020-06-29 2020-08-28 广东依明机械科技有限公司 Solar heat pump drying system with open-close type circulation
CN113170910A (en) * 2021-04-26 2021-07-27 云南省林业和草原技术推广总站 Nut drying device
CN114811918A (en) * 2021-01-21 2022-07-29 江阴海志包装机械有限公司 Ink rotary type hot return air energy-saving equipment
CN116045618A (en) * 2022-12-26 2023-05-02 河南天杰冷链设备科技有限公司 Dryer and drying room

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US20120305225A1 (en) * 2011-05-30 2012-12-06 Tonlier Energy Technology (Beijing) Co., Ltd. Air Heat Exchanging Device, Manufacturing Method Thereof, and Integrated Heat-Exchanging Air-Conditioning Device
CN205536673U (en) * 2016-01-29 2016-08-31 广州市同益新能源科技有限公司 Dry heat pump system of constant temperature
CN107136551A (en) * 2017-05-31 2017-09-08 河南芳捷农业发展有限公司 A kind of enclosed hydrofuge and the hot air combined heat pump tobacco leaf drying room used of open type
CN206576276U (en) * 2017-03-22 2017-10-24 河南芳捷农业发展有限公司 A kind of heat pump tobacco leaf drying room that hydrofuge heat is reclaimed with heat pipe

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120305225A1 (en) * 2011-05-30 2012-12-06 Tonlier Energy Technology (Beijing) Co., Ltd. Air Heat Exchanging Device, Manufacturing Method Thereof, and Integrated Heat-Exchanging Air-Conditioning Device
CN205536673U (en) * 2016-01-29 2016-08-31 广州市同益新能源科技有限公司 Dry heat pump system of constant temperature
CN206576276U (en) * 2017-03-22 2017-10-24 河南芳捷农业发展有限公司 A kind of heat pump tobacco leaf drying room that hydrofuge heat is reclaimed with heat pipe
CN107136551A (en) * 2017-05-31 2017-09-08 河南芳捷农业发展有限公司 A kind of enclosed hydrofuge and the hot air combined heat pump tobacco leaf drying room used of open type

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110864506A (en) * 2019-12-25 2020-03-06 浙江柿子新能源科技有限公司 Heating and dehumidifying function integrated drying room and working method thereof
CN111000275A (en) * 2019-12-27 2020-04-14 许昌智工机械制造有限公司 Tobacco leaf drying system
CN111000275B (en) * 2019-12-27 2021-09-21 许昌智工机械制造有限公司 Tobacco leaf drying system
CN111588066A (en) * 2020-06-29 2020-08-28 广东依明机械科技有限公司 Double-backheating combined cycle heat pump drying system
CN111588065A (en) * 2020-06-29 2020-08-28 广东依明机械科技有限公司 Solar heat pump drying system with open-close type circulation
CN114811918A (en) * 2021-01-21 2022-07-29 江阴海志包装机械有限公司 Ink rotary type hot return air energy-saving equipment
CN113170910A (en) * 2021-04-26 2021-07-27 云南省林业和草原技术推广总站 Nut drying device
CN116045618A (en) * 2022-12-26 2023-05-02 河南天杰冷链设备科技有限公司 Dryer and drying room

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