CN105627721A - Environmentally friendly grain drying system - Google Patents

Environmentally friendly grain drying system Download PDF

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Publication number
CN105627721A
CN105627721A CN201610100865.4A CN201610100865A CN105627721A CN 105627721 A CN105627721 A CN 105627721A CN 201610100865 A CN201610100865 A CN 201610100865A CN 105627721 A CN105627721 A CN 105627721A
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CN
China
Prior art keywords
drying
hot
blower fan
water circulation
circulation pipe
Prior art date
Application number
CN201610100865.4A
Other languages
Chinese (zh)
Other versions
CN105627721B (en
Inventor
刘艳
张涛
宋雨杨
Original Assignee
湖南迎春钢板仓制造有限公司
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.)
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Publication date
Application filed by 湖南迎春钢板仓制造有限公司 filed Critical 湖南迎春钢板仓制造有限公司
Priority to CN201610100865.4A priority Critical patent/CN105627721B/en
Publication of CN105627721A publication Critical patent/CN105627721A/en
Application granted granted Critical
Publication of CN105627721B publication Critical patent/CN105627721B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/12Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
    • F26B17/122Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the material moving through a cross-flow of drying gas; the drying enclosure, e.g. shaft, consisting of substantially vertical, perforated walls
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B9/00Preservation of edible seeds, e.g. cereals
    • A23B9/08Drying; 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
    • 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
    • F26B21/10Temperature; Pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00Heating arrangements
    • F26B23/02Heating arrangements using combustion heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00Heating arrangements
    • F26B23/10Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/06Grains, e.g. cereals, wheat, rice, corn
    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
    • 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

An environmentally friendly grain drying system comprises a drying tower, wherein a drying section is arranged on the drying tower; an air inlet channel is formed in one side of a tower wall of the drying section; an air outlet channel is formed in the other side of the tower wall of the drying section; a plurality of pipe cavities are formed in the drying section; a hot-blast stove is arranged on one side of the drying tower; a first fan is arranged on the hot-blast stove and communicates with the air inlet channel of the drying section; a second fan is arranged on the other side of the drying tower and communicates with the air outlet channel of the drying section; the drying tower is further provided with a dust removal filter, a dehumidification filter and a third fan; the second fan is connected with the dust removal filter; the dust removal filter is connected with the dehumidification filter; the dehumidification filter is connected with the third fan; and the third fan communicates with the inside of the hot-blast stove. The environmentally friendly grain drying system is further provided with a heat pump unit, an underground water circulating pipe and a hot water circulating pipe; the hot water circulating pipe, the underground water circulating pipe and the heat pump unit form a circulating loop; the hot water circulating pipe is distributed in a pipe cavity of the drying section; and the underground water circulating pie is buried under the ground. The environmentally friendly grain drying system is high in energy utilization rate, low in energy consumption and low in environment pollution.

Description

A kind of environmental protection grain-drying system
Technical field
The present invention relates to drying system, specifically relate to a kind of environmental protection grain-drying system.
Background technology
Existing major part grain-drying equipment body is made up of the stove and drying tower providing hot blast, and hotblast stove substantially all adopts the form of " burning coal air-supply ", " non-combusted fuels air-supply ", " burn wood air-supply " or other direct burn combustible things conveying hot blast to dry. Though this type of drying mode energy rapid temperature increases, inevitably produce flue dust and multiple obnoxious flavour, and the hot blast of grain-drying equipment is all open, hot blast is directly emitted after having heated, both caused environmental pollution, caused again scattering and disappearing of heat, the waste energy.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the deficiency of above-mentioned background technology, it is provided that a kind of energy utilization rate height, energy consumption is low, the environmental protection grain-drying system that environmental pollution is little.
The present invention solves the technical scheme of its technical problem employing, and a kind of environmental protection grain-drying system, comprises drying tower, and described drying tower is provided with the lift promoting cereal; Described drying tower is provided with drying section, and the Ta Bi side of described drying section is provided with air intake passage, and another side is provided with air-out passage; Being provided with multiple duct chamber in described drying section, form grain circulation road between duct chamber, the chamber wall of duct chamber is provided with ventilation hole; The side of described drying tower is provided with hotblast stove, and hotblast stove is provided with the first blower fan, and hotblast stove inside is connected with the first blower fan, and the first blower fan is connected with the air intake passage of drying section; Another side of described drying tower is provided with the 2nd blower fan, 2nd blower fan is connected with the air-out passage of drying section, also it is provided with dust removal filter, dehumidifying strainer and the 3rd blower fan, described 2nd blower fan is connected with dust removal filter, dust removal filter is connected with dehumidifying strainer, dehumidifying strainer is connected with the 3rd blower fan, 3rd blower fan is connected with hotblast stove inside, the hot blast produced in hotblast stove returns to hotblast stove through the first blower fan, drying section, the 2nd blower fan, dust removal filter, dehumidifying strainer, the 3rd blower fan, forming hot air circulation, described hotblast stove top is provided with wind-supplying mouth; Also being provided with heat pump set, ground water circulation pipe and hot-water circulation pipe, described hot-water circulation pipe, ground water circulation Guan Junyu heat pump set form circulation loop, and hot-water circulation pipe is distributed in the duct chamber of drying section, and ground water circulation pipe is embedded in underground.
Further, described hot-water circulation pipe and ground water circulation Guan Juncheng bend roundabout shape.
Further, the hot water circulation direction in described hot-water circulation pipe is contrary with the hot air circulation direction in drying section.
Compared with prior art, the advantage of the present invention is as follows: hot-air seasoning and hot water is dried and combines, drying efficiency height, and the temperature flexible adjustment dried; Hot blast and hot water all form loop structure, energy utilization rate height simultaneously, and energy consumption is low, and environmental pollution is little, environmental protection and energy saving; Hot-water circulation pipe is in the roundabout shape of bending, hot water circulation direction in hot-water circulation pipe is contrary with the hot air circulation direction in drying section, heat radiation area can either be increased, make again each silicon carbide in drying section evenly, cereal moisture percentage differs greatly (water ratio 12%-30%), the water ratio difference of cereal can be reduced by even drying, the water ratio of cereal can be allowed fast to drop to about standard value 12%-14%, promote grain quality further.
Accompanying drawing explanation
Fig. 1 is the front view of the embodiment of the present invention.
Fig. 2 is vertical view embodiment illustrated in fig. 1.
In figure: 1 ground water circulation pipe, 2 heat pump set, 3 hotblast stoves, 4 first blower fans, 5 the 2nd blower fans, 6 dust removal filters, 7 dehumidifying strainers, 8 the 3rd blower fans, 9 wind-supplying mouths, 10 drying towers, 11 drying sections, 12 hot-water circulation pipes, 13 lifts, 14 duct chamber.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
With reference to Fig. 1, Fig. 2, the present embodiment comprises drying tower 10, and drying tower 10 is provided with the lift 13 promoting cereal, drying tower 10 is provided with drying section 11, and the Ta Bi side of drying section 11 is provided with air intake passage, and another side is provided with air-out passage, being provided with multiple duct chamber 14 in drying section 11, form grain circulation road between duct chamber 14, the chamber wall of duct chamber 14 is provided with ventilation hole, the side of drying tower 10 is provided with hotblast stove 3, hotblast stove 3 is provided with the first blower fan 4, hotblast stove 3 inside is connected with the first blower fan 4, first blower fan 4 is connected by the air intake passage of pipeline with drying section 11, another side of drying tower 10 is provided with the 2nd blower fan 5, 2nd blower fan 5 is connected with the air-out passage of drying section 11, also it is provided with dust removal filter 6, dehumidifying strainer 7 and the 3rd blower fan 8, 2nd blower fan 5 is connected with dust removal filter 6 by pipeline, dust removal filter 6 is connected with dehumidifying strainer 7 by pipeline, dehumidifying strainer 7 is connected with the 3rd blower fan 8 by pipeline, 3rd blower fan 8 is connected with hotblast stove 3 inside, the hot blast produced in hotblast stove 3 is through the first blower fan 4, drying section 11, 2nd blower fan 5, dust removal filter 6, dehumidifying strainer 7, 3rd blower fan 8 returns to hotblast stove 3, form hot air circulation, hotblast stove 3 top is provided with wind-supplying mouth 9, also it is provided with heat pump set 2, ground water circulation pipe 1 and hot-water circulation pipe 12, hot-water circulation pipe 12, ground water circulation pipe 1 all form circulation loop with heat pump set 2, hot water circulation direction in hot-water circulation pipe 12 is contrary with the hot air circulation direction in drying section 11, hot-water circulation pipe 12 is distributed in the duct chamber 14 of drying section 11, ground water circulation pipe 1 is embedded in underground, and hot-water circulation pipe 12 and ground water circulation pipe 1 are all in the roundabout shape of bending.
During use, being loaded on by cereal in drying tower 10, the cereal in drying tower 10 is carried out lifting operation by lift 13, makes cereal form grain stream in drying tower 10, carries out repeatedly, evenly dries in the drying section of drying tower 10.
Heat pump set 2 of the present invention and hotblast stove 3 can independently work separately, it is possible to work simultaneously.
Drying section 11 is sent hot blast by burning combustionmaterial with the form of hot blast by hotblast stove 3, the hot blast produced in hotblast stove 3 enters in the drying section 11 of drying tower 10 through the first blower fan 4, the air intake passage of hot blast drying section 11 enters, again by the ventilation hole of duct chamber 14 chamber wall, cereal in drying section 11 is carried out hot-air seasoning (being taken away the moisture of cereal by hot blast), the 2nd blower fan 5 is entered again by the air-out passage of drying section 11, dust removal filter 6 is entered again through the 2nd blower fan, dust removal process is carried out through dust removal filter 6, enter dehumidifying strainer 7 again, dehumidification treatments is carried out through dehumidifying strainer 7, enter in hotblast stove 3 through the 3rd blower fan 8 again, form hot air circulation.
Heat pump set 2 by water pump from the temperature (ground water temperature is relatively stable at 10-25 DEG C) of ground water circulation pipe 1 cyclic absorption underground water, heat exchange is carried out by the work of heat pump set 2 inner compressor, the heat absorbed from underground water is passed to hot-water circulation pipe 12 by heat pump set 2, the water temperature of hot-water circulation pipe 12 is made to reach about 40-60 DEG C, current drying section 11 natural heat dissipation in hot-water circulation pipe 12, dries the cereal in drying tower 10.
The bake out temperature of seed cereal is less demanding in 40 DEG C, the bake out temperature of non-seed cereal is less demanding in 50 DEG C, the switch state of heat pump set 2 and hotblast stove 3 can be selected according to demand and control respective temperature according to demand, thus control the bake out temperature of drying section 11.
Hot-air seasoning and hot water are dried and are combined by the present invention, drying efficiency height, and the temperature flexible adjustment dried; Hot blast and hot water all form loop structure, energy utilization rate height simultaneously, and environmental pollution is little, environmental protection and energy saving; Hot-water circulation pipe 12 is in the roundabout shape of bending, hot water circulation direction in hot-water circulation pipe 12 is contrary with the hot air circulation direction in drying section 11, heat radiation area can either be increased, make again each silicon carbide in drying section 11 evenly, cereal moisture percentage differs greatly (water ratio 12%-30%), the water ratio difference of cereal can be reduced by even drying, the water ratio of cereal can be allowed fast to drop to about standard value 12%-14%, promote grain quality further.
The present invention can be carried out various modifications and variations by the technician of this area, if these amendments and modification are within the scope of the claims in the present invention and equivalent technologies thereof, then these amendments and modification are also within protection scope of the present invention.
The prior art that the content not described in detail in specification sheets is known to the skilled person.

Claims (3)

1. an environmental protection grain-drying system, comprises drying tower (10), and described drying tower (10) is provided with the lift (13) promoting cereal, described drying tower (10) is provided with drying section (11), and the Ta Bi side of described drying section (11) is provided with air intake passage, and another side is provided with air-out passage, it is characterized in that: be provided with multiple duct chamber (14) in described drying section (11), duct chamber forms grain circulation road between (14), and the chamber wall of duct chamber (14) is provided with ventilation hole, the side of described drying tower (10) is provided with hotblast stove (3), and hotblast stove (3) is provided with the first blower fan (4), and hotblast stove (3) inside is connected with the first blower fan (4), and the first blower fan (4) is connected with the air intake passage of drying section (11), another side of described drying tower (10) is provided with the 2nd blower fan (5), 2nd blower fan (5) is connected with the air-out passage of drying section (11), also it is provided with dust removal filter (6), dehumidifying strainer (7) and the 3rd blower fan (8), described 2nd blower fan (5) is connected with dust removal filter (6), dust removal filter (6) is connected with dehumidifying strainer (7), dehumidifying strainer (7) is connected with the 3rd blower fan (8), 3rd blower fan (8) is connected with hotblast stove (3) inside, the hot blast produced in hotblast stove (3) is through the first blower fan (4), drying section (11), 2nd blower fan (5), dust removal filter (6), dehumidifying strainer (7), 3rd blower fan (8) returns to hotblast stove (3), form hot air circulation, described hotblast stove (3) top is provided with wind-supplying mouth (9), also it is provided with heat pump set (2), ground water circulation pipe (1) and hot-water circulation pipe (12), described hot-water circulation pipe (12), ground water circulation pipe (1) all form circulation loop with heat pump set (2), hot-water circulation pipe (12) is distributed in the duct chamber (14) of drying section (11), and ground water circulation pipe (1) is embedded in underground.
2. environmental protection grain-drying system as claimed in claim 1, it is characterised in that: described hot-water circulation pipe (12) and ground water circulation pipe (1) are all in the roundabout shape of bending.
3. environmental protection grain-drying system as claimed in claim 1 or 2, it is characterised in that: the hot water circulation direction in described hot-water circulation pipe (12) is contrary with the hot air circulation direction in drying section (11).
CN201610100865.4A 2016-02-25 2016-02-25 A kind of environmentally friendly grain-drying system CN105627721B (en)

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Application Number Priority Date Filing Date Title
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CN105627721A true CN105627721A (en) 2016-06-01
CN105627721B CN105627721B (en) 2017-10-20

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106839738A (en) * 2017-02-27 2017-06-13 安徽广深机电设备有限公司 One kind circulation batch crop dryer drying chamber
CN107246788A (en) * 2017-07-25 2017-10-13 魏玉芳 A kind of spiral interior circulation rice drying device
CN107289771A (en) * 2017-07-25 2017-10-24 程梅雪 A kind of application method of spiral interior circulation dry waste gas reuse means
CN107388806A (en) * 2017-07-25 2017-11-24 魏玉芳 The application method of circulation rice drying device in a kind of spiral
CN107462027A (en) * 2017-07-14 2017-12-12 望江县金峰矿产品科技有限公司 A kind of telescopic silica sand drying unit

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2645835A1 (en) * 1976-10-05 1978-04-06 Escher Wyss Gmbh RIBBON DRYERS
CN2529175Y (en) * 2002-03-19 2003-01-01 张歌今 Heat pump grain dryer
CN201289278Y (en) * 2008-11-04 2009-08-12 国家粮食储备局郑州科学研究设计院 Tower type vacuum continuous drying apparatus for heat pump
CN101738074A (en) * 2008-11-12 2010-06-16 长春吉大科学仪器设备有限公司 Combined grain drying machine
CN103109147A (en) * 2010-04-22 2013-05-15 株式会社佐竹 Grain-drying facility
FR2998952A1 (en) * 2012-12-03 2014-06-06 Sarl Sud Expl Device, useful for drying grains, comprises drying tower associated with hot air generator, where drying tower is connected to upper part of generator by conduit to cause recycling of air inside box having air
CN205448614U (en) * 2016-02-25 2016-08-10 湖南迎春钢板仓制造有限公司 Environmental protection grain drying systems

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2645835A1 (en) * 1976-10-05 1978-04-06 Escher Wyss Gmbh RIBBON DRYERS
CN2529175Y (en) * 2002-03-19 2003-01-01 张歌今 Heat pump grain dryer
CN201289278Y (en) * 2008-11-04 2009-08-12 国家粮食储备局郑州科学研究设计院 Tower type vacuum continuous drying apparatus for heat pump
CN101738074A (en) * 2008-11-12 2010-06-16 长春吉大科学仪器设备有限公司 Combined grain drying machine
CN103109147A (en) * 2010-04-22 2013-05-15 株式会社佐竹 Grain-drying facility
FR2998952A1 (en) * 2012-12-03 2014-06-06 Sarl Sud Expl Device, useful for drying grains, comprises drying tower associated with hot air generator, where drying tower is connected to upper part of generator by conduit to cause recycling of air inside box having air
CN205448614U (en) * 2016-02-25 2016-08-10 湖南迎春钢板仓制造有限公司 Environmental protection grain drying systems

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106839738A (en) * 2017-02-27 2017-06-13 安徽广深机电设备有限公司 One kind circulation batch crop dryer drying chamber
CN107462027A (en) * 2017-07-14 2017-12-12 望江县金峰矿产品科技有限公司 A kind of telescopic silica sand drying unit
CN107246788A (en) * 2017-07-25 2017-10-13 魏玉芳 A kind of spiral interior circulation rice drying device
CN107289771A (en) * 2017-07-25 2017-10-24 程梅雪 A kind of application method of spiral interior circulation dry waste gas reuse means
CN107388806A (en) * 2017-07-25 2017-11-24 魏玉芳 The application method of circulation rice drying device in a kind of spiral

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Address after: 410600 Station Road, Ningxiang National Economic Development Zone, Changsha, Hunan

Patentee after: Hunan spring scarlet Intelligent Equipment Co., Ltd.

Address before: 410600 Station Road, Ningxiang National Economic Development Zone, Changsha, Hunan

Patentee before: HUNAN YINGCHUN STEEL SILO ENGINEERING CO., LTD.

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