CN111750630A - Hotair circulation and dehumidification device of curing barn - Google Patents

Hotair circulation and dehumidification device of curing barn Download PDF

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Publication number
CN111750630A
CN111750630A CN202010665607.7A CN202010665607A CN111750630A CN 111750630 A CN111750630 A CN 111750630A CN 202010665607 A CN202010665607 A CN 202010665607A CN 111750630 A CN111750630 A CN 111750630A
Authority
CN
China
Prior art keywords
air
air inlet
inlet pipe
air outlet
pipe
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
CN202010665607.7A
Other languages
Chinese (zh)
Inventor
刘鹏飞
丁松爽
田斌强
王建安
赵铭钦
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 Agricultural University
Original Assignee
Henan Agricultural University
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 Agricultural University filed Critical Henan Agricultural University
Priority to CN202010665607.7A priority Critical patent/CN111750630A/en
Publication of CN111750630A publication Critical patent/CN111750630A/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
    • F26B9/06Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
    • A61L9/00Disinfection, sterilisation or deodorisation of air
    • A61L9/16Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18Radiation
    • A61L9/20Ultra-violet radiation
    • 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
    • F26B21/001Drying-air generating units, e.g. movable, independent of drying enclosure
    • F26B21/002Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
    • 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
    • F26B21/004Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • 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
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06Chambers, containers, or receptacles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001Recuperative heat exchangers
    • F28D21/0014Recuperative heat exchangers the heat being recuperated from waste air or from vapors
    • 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

Abstract

The invention discloses a hot air circulating and dehumidifying device for a curing barn, relates to the technical field of crop drying, solves the problems of much heat loss and high hot air humidity of a hot air circulating device for a curing barn in the prior art, and has the technical key points that: the baking room comprises a baking room body, heating modules and a fan, wherein the baking room body is provided with a drying chamber and an air outlet pipe, the drying chamber is communicated with the air outlet pipe, the heating modules are connected with an air inlet pipe mounting box, the air inlet pipe mounting box is connected with air inlet pipes, a plurality of groups of air inlet pipes are arranged in the air outlet pipe, an air inlet of each air inlet pipe is arranged on the outer side of the air outlet pipe, the fan is connected with the air outlet pipe, the air outlet pipe is arranged at the bottom of; the invention improves the drying efficiency by preheating the cold air entering the heating module by using the dissipated heat and reducing the humidity of the hot air by using the outside air with lower humidity.

Description

Hotair circulation and dehumidification device of curing barn
Technical Field
The invention relates to the technical field of crop drying, in particular to a hot air circulating and dehumidifying device for a curing barn.
Background
When advancing to carry out drying process to crops, can use roast room to carry out processing usually, because the moisture volume that self of crops contained is great, when carrying out drying process in roast room, can lead to a large amount of vapor to persist in roast room inner space, cause air humidity too big in the roast building to the drying efficiency of serious influence crops.
Chinese patent publication No. CN2367095 discloses a hot air circulation and dehumidification device for a curing barn, comprising a curing barn, a heat supply device, and a ground opening, wherein a dehumidification skylight is arranged at the top of the curing barn, a return air pipe is connected with the dehumidification skylight at the side of the curing barn, the lower part of the return air pipe is connected with one end of an air inlet tunnel, an adjustable air inlet is arranged at the middle position of the upper part of the air inlet tunnel, the other end of the air inlet tunnel is communicated with the ground opening at the lower part of a ground door of the curing barn, the hot air circulation and dehumidification device for the curing barn is economical and practical, is simple and convenient to install, has low cost, has uniform vertical temperature difference, and is simple in installation, the device reduces the humidity in the hot air in a mode of exhausting part of the hot air and then supplementing the external air in the hot air circulation process, the humidity reduction is less, meanwhile, the heat is dissipated much, so a hot air circulating and dehumidifying device for a curing barn is provided.
Disclosure of Invention
The invention aims at solving the technical problems that a hot air circulation and dehumidification device of a curing barn comprises a curing barn body, a heating module and a fan, wherein the curing barn body is provided with a drying chamber and an air outlet pipe, the drying chamber is communicated with the air outlet pipe, the heating module and the fan are arranged in the curing barn body, the heating module is connected with an air inlet pipe mounting box through a connecting air pipe, the air inlet pipe mounting box is arranged in the air outlet pipe, the air inlet pipe mounting box is connected with air inlet pipes, the air inlet pipes are provided with a plurality of groups, the air inlet pipes are arranged in the air outlet pipe, an air inlet of each air inlet pipe is arranged on the outer side of the corresponding air outlet pipe, the fan is connected with the corresponding air outlet pipe, the air outlet pipes are arranged at the bottom of the.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a roast room heated air circulation and hydrofuge device, including roast room body, heating module and fan, be equipped with drying chamber and outlet duct on the roast room body, drying chamber and outlet duct intercommunication, heating module and fan are established at roast room originally internally, heating module is connected with the intake pipe mounting box through connecting the trachea, the intake pipe mounting box is established in the outlet duct, the intake pipe mounting box is connected with the intake pipe, the intake pipe is equipped with the multiunit, the intake pipe is established in the outlet duct, the outside at the outlet duct is established to the air inlet of intake pipe, the fan is connected with the outlet duct, the outlet duct is established in roast room body bottom, be equipped.
As a further proposal of the invention, the air outlet pipe is arranged at the top and the side of the curing barn body in a bent shape, the air outlet of the air outlet pipe is arranged at the side of the curing barn body, and the air inlet of the air outlet pipe is arranged at the top of the drying chamber.
As a further scheme of the invention, the shape of the air inlet pipe is the same as that of the air outlet pipe, so that the air inlet pipe can be arranged along the air outlet pipe, the air of the air inlet pipe is heated in the air outlet pipe, and the air outlet of the air inlet pipe is arranged below the air outlet of the air outlet pipe.
According to a further scheme of the invention, the air inlet pipe mounting box is a square box body, one side of the air inlet pipe mounting box is provided with a connecting air pipe mounting interface, the connecting air pipe penetrates through the top of the drying chamber and is connected with the connecting air pipe mounting interface, the air inlet pipe mounting box is provided with a plurality of groups of air inlet pipe mounting interfaces on one side adjacent to the connecting air pipe mounting interface, the air inlet pipe mounting interfaces are uniformly distributed on the air inlet pipe mounting box, and the air inlet pipes are connected to the air inlet pipe mounting interfaces.
As a further scheme of the invention, a dustproof filter screen and an active carbon filter element are also arranged in the air inlet pipe mounting box, the dustproof filter screen is a PTFE (polytetrafluoroethylene) filter screen and is used for filtering dust in air, and the active carbon filter element is arranged at the downstream of the dustproof filter screen and is used for adsorbing micro-dust in air.
As a further proposal of the invention, an ultraviolet germicidal lamp is also arranged in the connecting air pipe.
As a further proposal of the invention, the outer side of the ultraviolet germicidal lamp is covered with a transparent glass cover.
In conclusion, compared with the prior art, the invention has the following beneficial effects:
the invention improves the drying efficiency by preheating cold air entering the heating module by using dissipated heat and reducing the humidity of hot air by using outside air with lower humidity.
Drawings
Fig. 1 is a schematic structural diagram of a hot air circulation and dehumidification device of a curing barn.
Fig. 2 is a schematic structural diagram of an air inlet pipe mounting box in a hot air circulation and dehumidification device of a curing barn.
Fig. 3 is a full-sectional view of an air inlet pipe mounting box in the embodiment 2 of the hot air circulation and dehumidification device of the curing barn.
Reference numerals: the method comprises the following steps of 1-baking room body, 11-drying room, 12-air outlet pipe, 2-heating module, 3-fan, 4-air inlet pipe mounting box, 41-connecting air pipe mounting interface, 42-air inlet pipe mounting interface, 43-dustproof filter screen, 44-activated carbon filter element, 5-air inlet pipe, 6-air outlet pipe and 7-connecting air pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, a hot air circulation and dehumidification device for a curing barn comprises a curing barn body 1, a heating module 2 and a fan 3, wherein a drying chamber 11 and an air outlet pipe 12 are arranged on the curing barn body 1, the drying chamber 11 is communicated with the air outlet pipe 12, the heating module 2 and the fan 3 are arranged in the curing barn body 1, the heating module 2 is connected with an air inlet pipe mounting box 4 through a connecting air pipe 7, the air inlet pipe mounting box 4 is arranged in the air outlet pipe 12, the air inlet pipe mounting box 4 is connected with an air inlet pipe 5, a plurality of groups of air inlet pipes 5 are arranged in the air outlet pipe 12, an air inlet of the air inlet pipe 5 is arranged outside the air outlet pipe 12, the fan 3 is connected with an air outlet pipe 6, the air outlet pipe;
the curing barn body 1 is in the prior art, the air outlet pipe 12 is arranged at the top and the side of the curing barn body 1 in a bent manner, the air outlet of the air outlet pipe 12 is arranged at the side of the curing barn body 1, and the air inlet of the air outlet pipe 12 is arranged at the top of the drying chamber 11, so that hot air containing moisture flows into the air outlet pipe 12 from the top of the drying chamber 11 and then flows out from the air outlet pipe 12, and cold air is prevented from being accumulated in the curing barn body 1;
the heating module 2 and the fan 3 form a hot air fan in the prior art and are used for driving air circulation in the drying chamber 11;
as shown in fig. 2, the air inlet pipe mounting box 4 is a square box body, one side of the air inlet pipe mounting box 4 is provided with a connecting air pipe mounting interface 41, the connecting air pipe 7 penetrates through the top of the drying chamber 11 and is connected with the connecting air pipe mounting interface 41, the air inlet pipe mounting box 4 is provided with air inlet pipe mounting interfaces 42 at one side adjacent to the connecting air pipe mounting interface 41, the air inlet pipe mounting interfaces 42 are provided with a plurality of groups, the air inlet pipe mounting interfaces 42 are uniformly distributed on the air inlet pipe mounting box 4, and the air inlet pipes 5 are connected to the air inlet;
the shape of the air inlet pipe 5 is the same as that of the air outlet pipe 12, so that the air inlet pipe 5 can be installed along the air outlet pipe 12, the air inlet pipe 5 can be heated by hot air in the air outlet pipe 12, and the air outlet of the air inlet pipe 5 is arranged below the air outlet of the air outlet pipe 12, so that air entering from the air inlet pipe 5 is air with low humidity;
the air outlet pipes 6 are provided with a plurality of groups, and the air outlet pipes 6 are uniformly distributed at the bottom of the curing barn body 1.
Example 2
As shown in fig. 1, a hot air circulation and dehumidification device for a curing barn comprises a curing barn body 1, a heating module 2 and a fan 3, wherein a drying chamber 11 and an air outlet pipe 12 are arranged on the curing barn body 1, the drying chamber 11 is communicated with the air outlet pipe 12, the heating module 2 and the fan 3 are arranged in the curing barn body 1, the heating module 2 is connected with an air inlet pipe mounting box 4 through a connecting air pipe 7, the air inlet pipe mounting box 4 is arranged in the air outlet pipe 12, the air inlet pipe mounting box 4 is connected with an air inlet pipe 5, a plurality of groups of air inlet pipes 5 are arranged in the air outlet pipe 12, an air inlet of the air inlet pipe 5 is arranged outside the air outlet pipe 12, the fan 3 is connected with an air outlet pipe 6, the air outlet pipe;
preferably, in this embodiment, a dustproof filter screen 43 and an activated carbon filter element 44 are further disposed inside the intake pipe mounting box 4, the dustproof filter screen 43 is a PTFE filter screen and is used for filtering dust in the air, and the activated carbon filter element 44 is disposed downstream of the dustproof filter screen 43 and is used for adsorbing micro dust in the air;
preferably, an ultraviolet germicidal lamp is further arranged in the connecting air pipe 7, and a transparent glass cover is covered outside the ultraviolet germicidal lamp and is used for sterilizing and disinfecting air in the connecting air pipe 7;
other structures in this embodiment are the same as those in embodiment 1.
In summary, the working principle of the invention is as follows:
the setting of intake pipe 5 makes the air that gets into in the heating module 2 heated in outlet duct 12, the utilization ratio of heat energy has been improved, reduce the waste of the energy, dustproof filter screen 43 and active carbon filter core 44 set up simultaneously and purified the air, the cleanliness of air in drying chamber 11 has been improved, setting up of sterilamp has reduced the influence of bacterium to article in the drying chamber 11, adopt the lower outside air of humidity to heat the stoving completely simultaneously, the feasible of drying air has been reduced, drying efficiency is improved.
It should be noted that, in the present application, it is an innovative point of the present application to preheat the cold air entering the heating module by using the dissipated heat and to reduce the humidity of the hot air by using the external air with lower humidity, which effectively solves the problems of the prior art that the heat dissipation of the hot air circulation device of the curing barn is much and the humidity of the hot air is high.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A hot air circulation and dehumidification device of a curing barn comprises a curing barn body (1), a heating module (2) and a fan (3), wherein the curing barn body (1) is provided with a drying chamber (11) and an air outlet pipe (12), the drying chamber (11) is communicated with the air outlet pipe (12), the heating module (2) and the fan (3) are arranged in the curing barn body (1), the hot air circulation and dehumidification device is characterized in that the heating module (2) is connected with an air inlet pipe mounting box (4) through a connecting air pipe (7), the air inlet pipe mounting box (4) is arranged in the air outlet pipe (12), the air inlet pipe mounting box (4) is connected with an air inlet pipe (5), the air inlet pipe (5) is provided with a plurality of groups, the air inlet pipe (5) is arranged in the air outlet pipe (12), the air inlet of the air inlet pipe (5) is arranged at the outer side of the air outlet pipe (12), the fan, a plurality of groups of air outlet holes are arranged on the air outlet pipe (6).
2. The hot air circulation and dehumidification device of the curing barn according to claim 1, wherein the air outlet pipe (12) is bent at the top and the side of the curing barn body (1), the air outlet of the air outlet pipe (12) is arranged at the side of the curing barn body (1), and the air inlet of the air outlet pipe (12) is arranged at the top of the drying chamber (11).
3. The hotair circulation and dehumidification device of a curing barn according to claim 2, wherein the shape of the air inlet pipe (5) is the same as the shape of the air outlet pipe (12), so that the air inlet pipe (5) can be installed along the air outlet pipe (12), the air of the air inlet pipe (5) is heated in the air outlet pipe (12), and the air outlet of the air inlet pipe (5) is arranged below the air outlet of the air outlet pipe (12).
4. The curing barn heated air circulating and dehumidifying device according to claim 1, wherein the air inlet pipe mounting box (4) is a square box body, one side of the air inlet pipe mounting box (4) is provided with a connecting air pipe mounting interface (41), the connecting air pipes (7) penetrate through the top of the drying chamber (11) and are connected with the connecting air pipe mounting interface (41), the air inlet pipe mounting interface (42) is arranged on the side, adjacent to the connecting air pipe mounting interface (41), of the air inlet pipe mounting box (4), the air inlet pipe mounting interfaces (42) are provided with a plurality of groups, the air inlet pipe mounting interfaces (42) are uniformly distributed on the air inlet pipe mounting box (4), and the air inlet pipes (5) are connected on the air inlet pipe mounting interface (42).
5. The hotair circulation and dehumidification device for the curing barn according to claim 4, wherein a dustproof filter screen (43) and an activated carbon filter element (44) are further arranged inside the air inlet pipe mounting box (4), the dustproof filter screen (43) is a PTFE (polytetrafluoroethylene) filter screen and is used for filtering dust in the air, and the activated carbon filter element (44) is arranged at the downstream of the dustproof filter screen (43) and is used for adsorbing micro dust in the air.
6. The hot air circulation and moisture removal device for the curing barn according to any one of claims 1-5, wherein an ultraviolet sterilizing lamp is further arranged in the connecting air pipe (7).
7. The hot air circulating and dehumidifying device of claim 6 wherein the UV germicidal lamp is covered with a transparent glass cover.
CN202010665607.7A 2020-07-11 2020-07-11 Hotair circulation and dehumidification device of curing barn Pending CN111750630A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010665607.7A CN111750630A (en) 2020-07-11 2020-07-11 Hotair circulation and dehumidification device of curing barn

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010665607.7A CN111750630A (en) 2020-07-11 2020-07-11 Hotair circulation and dehumidification device of curing barn

Publications (1)

Publication Number Publication Date
CN111750630A true CN111750630A (en) 2020-10-09

Family

ID=72711044

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010665607.7A Pending CN111750630A (en) 2020-07-11 2020-07-11 Hotair circulation and dehumidification device of curing barn

Country Status (1)

Country Link
CN (1) CN111750630A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940009070B1 (en) * 1984-09-13 1994-09-29 에.엘.엠. 르블랑 Condensation boiler
CN202184119U (en) * 2011-08-30 2012-04-11 云南大学 Energy-saving tobacco curing device capable of recycling dehumidification waste heat of curing barn
CN203037010U (en) * 2013-01-18 2013-07-03 湖北省烟草科研所 Energy-saving curing barn with waste heat recovery device arranged in baking chamber
CN103868341A (en) * 2012-12-12 2014-06-18 李家海 Novel high-efficiency energy-saving steam heat supply type drug industry drying machine
CN204165374U (en) * 2014-08-14 2015-02-18 郭套龙 Baking box heat energy recovery energy-saving appliance
CN204306034U (en) * 2014-12-24 2015-05-06 中国烟草总公司四川省公司 A kind of tobacco dense barn waste heat of chimney recycle device
CN108180743A (en) * 2017-12-27 2018-06-19 安徽麦德发食品有限公司 A kind of vermicelli production fast-drying device
CN209214229U (en) * 2018-12-15 2019-08-06 卜书合 A kind of heat-circulation type baking room
CN210624544U (en) * 2019-09-02 2020-05-26 湖南省南洋包装印刷有限责任公司 Waste gas waste heat utilization pipeline applied to environment-friendly and energy-saving hot air drying system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940009070B1 (en) * 1984-09-13 1994-09-29 에.엘.엠. 르블랑 Condensation boiler
CN202184119U (en) * 2011-08-30 2012-04-11 云南大学 Energy-saving tobacco curing device capable of recycling dehumidification waste heat of curing barn
CN103868341A (en) * 2012-12-12 2014-06-18 李家海 Novel high-efficiency energy-saving steam heat supply type drug industry drying machine
CN203037010U (en) * 2013-01-18 2013-07-03 湖北省烟草科研所 Energy-saving curing barn with waste heat recovery device arranged in baking chamber
CN204165374U (en) * 2014-08-14 2015-02-18 郭套龙 Baking box heat energy recovery energy-saving appliance
CN204306034U (en) * 2014-12-24 2015-05-06 中国烟草总公司四川省公司 A kind of tobacco dense barn waste heat of chimney recycle device
CN108180743A (en) * 2017-12-27 2018-06-19 安徽麦德发食品有限公司 A kind of vermicelli production fast-drying device
CN209214229U (en) * 2018-12-15 2019-08-06 卜书合 A kind of heat-circulation type baking room
CN210624544U (en) * 2019-09-02 2020-05-26 湖南省南洋包装印刷有限责任公司 Waste gas waste heat utilization pipeline applied to environment-friendly and energy-saving hot air drying system

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Application publication date: 20201009

RJ01 Rejection of invention patent application after publication