CN105285093A - Grain tempering and drying device - Google Patents

Grain tempering and drying device Download PDF

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Publication number
CN105285093A
CN105285093A CN201510745986.XA CN201510745986A CN105285093A CN 105285093 A CN105285093 A CN 105285093A CN 201510745986 A CN201510745986 A CN 201510745986A CN 105285093 A CN105285093 A CN 105285093A
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CN
China
Prior art keywords
grain
drying
delay
tempering
flange
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
CN201510745986.XA
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Chinese (zh)
Inventor
王非凡
吴锋清
冯海凤
臧华
朱军委
英玉振
曹光磊
张德良
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.)
Linyi Jinming Machinery Co Ltd
Original Assignee
Linyi Jinming Machinery 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 Linyi Jinming Machinery Co Ltd filed Critical Linyi Jinming Machinery Co Ltd
Priority to CN201510745986.XA priority Critical patent/CN105285093A/en
Publication of CN105285093A publication Critical patent/CN105285093A/en
Pending legal-status Critical Current

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    • 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

The invention belongs to the technical field of grain drying equipment, and relates to a grain tempering and drying device. The main structure of the grain tempering and drying device comprises a flue gas inlet, a flue gas pipeline, a tempering section flue inlet flange, a tempering section, a tempering section flue gas pipeline, a drying section drain flange, a draught fan, a dust remover, a drying section, a grain outlet, a support frame, a drying and tempering barrel, a hot blast inlet, a hot blast pipeline and a hot blast stove which are cooperated to form the grain tempering and drying device, so that the recovered residual heat of flue gas of the hot blast stove is acted on grains in the tempering section for tempering and drying the grains, the grain drying efficiency is improved, and the drying cost is reduced. The grain tempering and drying device has the advantages of energy conservation, emission reduction and consumption reduction. The utilization rate of the residual heat of the flue gas achieves 50% or above. The tempering and drying device is simple in structure, reliable in principle, simple and convenient to operate, high in drying efficiency, friendly in using environment and broad in application scope.

Description

A kind of grain tempering drying device
Technical field:
The invention belongs to grain drying equipment technical field, relate to a kind of grain tempering drying device, reclaim and utilize the flue gas that in grain drier, hot-blast stove produces to carry out tempering drying grain.
Background technology:
Drying be grain contained humidity in hot-air by removed process after thermal evaporation, grain drying is one of the major technique in grain storage processing, by dry technology by the most of moisture removing in grain, reach reduction water activity, suppress microbial growth and breeding, extend the object of grain storage phase, the drying means of grain has heat conduction drying, radiant drying, dielectric heating drying and convective drying, tempering enters holding stage from drying stage in Grain Drying Process, and grain internal temperature and humidity exchange and reaches uniform process, the 20-50% of hot-blast stove heating load is taken away from the flue gas of grain drier hot-blast stove discharge, at present, reduce exhaust gas heat loss to become estranged the backward in technique of flue gas waste heat recovery, flue gas waste heat recovery can improve the thermal efficiency of hot-blast stove, reach energy-saving and cost-reducing object, flue gas waste heat recovery is that the heat carried by flue gas by heat exchange mode converts utilizable heat to, and flue gas waste heat recovery adopts pre-heated work pieces and preheated air to carry out combustion-supporting method usually, existing grain drier does not recycle the fume afterheat that hot-blast stove produces in grain cyclic drying process, a large amount of high-temperature flue gas after flue gas blower fan is drawn directly discharged to air or after cyclone dust collectors dedusting discharged to air, cause grain drying efficiency low, drying cost is large, and cause serious environmental pollution, in Grain Drying Process, the flue gas that temperatures as high is 40 DEG C is the main path of drying machine thermal waste, in grain harvest season, drying machine is successively work, the waste of heat energy is very huge, even if grain drier has entered state key subsidy catalogue, government also increases the promotion efficiency to grain drier, but due to above-mentioned technological deficiency, the popularization of grain drier is made to be subject to constraint greatly and limitation.Therefore, research and development are a kind of fully recycles hot-blast stove fume waste heat, has the grain tempering drying device of the high and low characteristic of cost of energy-conserving and environment-protective, efficiency, has good society and economic worth, have a extensive future.
Summary of the invention:
The object of the invention is the defect overcoming prior art existence, seek to provide a kind of and fully recycle hot-blast stove fume waste heat, there is the grain tempering drying device of the high and low characteristic of cost of energy-conserving and environment-protective, efficiency, the hot-blast stove fume waste heat of recovery is acted on the grain in delay section and carry out tempering drying, improve grain drying efficiency, reduce drying cost.
To achieve these goals, agent structure of the present invention comprises smoke inlet, flue, delay section enter cigarette flange, delay section, delay section flue, dryer section exhaust flange, air-introduced machine, deduster, dryer section, grain-export, bracing frame, dry tempering cylinder, hot-wind inlet, hot air duct and hot-blast stove; The dry tempering cylinder of cylinder-like structure is fixedly connected on the bracing frame that is welded on bottom surface, and dry tempering cylinder is divided into delay section and dryer section, and delay section is positioned at the top of dry tempering cylinder, and dryer section is positioned at the bottom of dry tempering cylinder; Enter the left end Flange joint of cigarette flange on the right side of the bottom of delay section with delay section, the end flange of right-hand member and flue that delay section enters cigarette flange is connected, and the other end of flue offers smoke inlet, and smoke inlet is connected with the outlet port of hot-blast stove; Offer hot-wind inlet on the right side of the bottom of dryer section, the left upper portion of dryer section and the right-hand member Flange joint of dryer section exhaust flange, the left end of dryer section exhaust flange and the right-hand member Flange joint of air-introduced machine, the bottom of air-introduced machine is fixedly connected with deduster; Delay section enters between cigarette flange and dryer section exhaust flange to be provided with the horizontal delay section flue running through delay section of 1-4 root; Grain-export is offered in the bottom of dry tempering cylinder; Each part fits forms grain tempering drying device, is acted on by the hot-blast stove fume waste heat of recovery on the grain in delay section and carries out tempering drying, improves grain drying efficiency, reduces drying cost.
The cross section of the delay section flue that the present invention relates to adopts reverse V-shaped structure, is convenient to grain and naturally falls, the generation of phenomenon of avoiding storing up grain, and the inside smoke of delay section flue and outside grain completely cut off; Described dryer section exhaust flange is convenient to observe the dry condition of grain and cleaning flue gas particle and impurity; Described deduster is cyclone dust collectors.
When the grain tempering drying device that the present invention relates to uses: open air-introduced machine, the flue gas that hot-blast stove produces enters flue by smoke inlet and enters cigarette flange by delay section again and arrive delay section flue and carry out drying to the grain in delay section under air inducing effect, after flue gas heat is absorbed by grain, flue gas arrives deduster after dryer section exhaust flange and air-introduced machine, flue gas is discharged in the mode of particle, impurity and waste gas under the centrifugation of deduster, is discharged after grain drying by grain-export.
The hot-blast stove fume waste heat of recovery compared with prior art, acts on the grain in delay section and carries out tempering drying by the present invention, improves grain drying efficiency, reduces drying cost, and have the advantage of energy-saving and emission-reduction consumption reduction, fume afterheat utilization rate reaches more than 50%; Its structure is simple, and principle is reliable, and easy and simple to handle, drying efficiency is high, and environment for use is friendly, applied widely.
Accompanying drawing illustrates:
Fig. 1 is agent structure principle schematic of the present invention;
Detailed description of the invention:
Also by reference to the accompanying drawings the present invention is described further below by embodiment.
Embodiment:
The agent structure of the grain tempering drying device that the present embodiment relates to comprises smoke inlet 1, flue 2, delay section enter cigarette flange 3, delay section 4, delay section flue 5, dryer section exhaust flange 6, air-introduced machine 7, deduster 8, dryer section 9, grain-export 10, bracing frame 11, dry tempering cylinder 12, hot-wind inlet 13, hot air duct 14 and hot-blast stove 15; The dry tempering cylinder 12 of cylinder-like structure is fixedly connected on the bracing frame 11 that is welded on bottom surface, and dry tempering cylinder 12 is divided into delay section 4 and dryer section 9, and delay section 4 is positioned at the top of dry tempering cylinder 12, and dryer section 9 is positioned at the bottom of dry tempering cylinder 12; Enter the left end Flange joint of cigarette flange 3 with delay section on the right side of the bottom of delay section 4, the right-hand member that delay section enters cigarette flange 3 is connected with the end flange of flue 2, the other end of flue 2 offers smoke inlet 1, and smoke inlet 1 is connected with the outlet port of hot-blast stove 15; Hot-wind inlet 10 is offered on the right side of the bottom of dryer section 9, the left upper portion of dryer section 9 and the right-hand member Flange joint of dryer section exhaust flange 6 being provided with manhole, the left end of dryer section exhaust flange 6 and the right-hand member Flange joint of air-introduced machine 7, the bottom of air-introduced machine 7 is fixedly connected with deduster 8; Delay section enters between cigarette flange 3 and dryer section exhaust flange 6 to be provided with the horizontal delay section flue 5 running through delay section 4 of 1-4 root; Grain-export 10 is offered in the bottom of dry tempering cylinder 12; Each part fits forms grain tempering drying device, the grain hot-blast stove fume waste heat of recovery being acted on delay section 4 li carries out tempering drying, improves grain drying efficiency, reduce drying cost.
The cross section of the delay section flue 5 that the present embodiment relates to adopts " V " type structure, is convenient to grain and naturally falls, the generation of phenomenon of avoiding storing up grain, the inside smoke of delay section flue 5 and outside grain isolated; The dryer section exhaust flange 6 being provided with manhole is convenient to observe the dry condition of grain and clears up flue gas particle and impurity; Deduster 8 is cyclone dust collectors.
When the grain tempering drying device that the present embodiment relates to uses: open air-introduced machine 7, the flue gas that hot-blast stove produces enters flue 2 by smoke inlet 1 and enters by delay section the grain that cigarette flange 3 arrives in delay section flue 5 pairs of delay sections 4 again and carry out drying under air inducing effect, after flue gas heat is absorbed by grain, flue gas arrives deduster 8 after dryer section exhaust flange 6 and air-introduced machine 7, flue gas is discharged in the mode of particle, impurity and waste gas under the centrifugation of deduster 8, is discharged after grain drying by grain-export 10.

Claims (3)

1. a grain tempering drying device, is characterized in that agent structure comprises smoke inlet, flue, delay section enter cigarette flange, delay section, delay section flue, dryer section exhaust flange, air-introduced machine, deduster, dryer section, grain-export, bracing frame, dry tempering cylinder, hot-wind inlet, hot air duct and hot-blast stove; The dry tempering cylinder of cylinder-like structure is fixedly connected on the bracing frame that is welded on bottom surface, and dry tempering cylinder is divided into delay section and dryer section, and delay section is positioned at the top of dry tempering cylinder, and dryer section is positioned at the bottom of dry tempering cylinder; Enter the left end Flange joint of cigarette flange on the right side of the bottom of delay section with delay section, the end flange of right-hand member and flue that delay section enters cigarette flange is connected, and the other end of flue offers smoke inlet, and smoke inlet is connected with the outlet port of hot-blast stove; Offer hot-wind inlet on the right side of the bottom of dryer section, the left upper portion of dryer section and the right-hand member Flange joint of dryer section exhaust flange, the left end of dryer section exhaust flange and the right-hand member Flange joint of air-introduced machine, the bottom of air-introduced machine is fixedly connected with deduster; Delay section enters between cigarette flange and dryer section exhaust flange to be provided with the horizontal delay section flue running through delay section of 1-4 root; Grain-export is offered in the bottom of dry tempering cylinder; Each part fits forms grain tempering drying device, is acted on by the hot-blast stove fume waste heat of recovery on the grain in delay section and carries out tempering drying, improves grain drying efficiency, reduces drying cost.
2. grain tempering drying device according to claim 1, it is characterized in that the cross section of described delay section flue adopts reverse V-shaped structure, be convenient to grain naturally fall, the generation of phenomenon of avoiding storing up grain, the inside smoke of delay section flue and outside grain completely cut off; Described dryer section exhaust flange is convenient to observe the dry condition of grain and cleaning flue gas particle and impurity; Described deduster is cyclone dust collectors.
3. grain tempering drying device according to claim 1, when it is characterized in that using: open air-introduced machine, the flue gas that hot-blast stove produces enters flue by smoke inlet and enters cigarette flange by delay section again and arrive delay section flue and carry out drying to the grain in delay section under air inducing effect, after flue gas heat is absorbed by grain, flue gas arrives deduster after dryer section exhaust flange and air-introduced machine, flue gas is discharged in the mode of particle, impurity and waste gas under the centrifugation of deduster, is discharged after grain drying by grain-export.
CN201510745986.XA 2015-11-05 2015-11-05 Grain tempering and drying device Pending CN105285093A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510745986.XA CN105285093A (en) 2015-11-05 2015-11-05 Grain tempering and drying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510745986.XA CN105285093A (en) 2015-11-05 2015-11-05 Grain tempering and drying device

Publications (1)

Publication Number Publication Date
CN105285093A true CN105285093A (en) 2016-02-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510745986.XA Pending CN105285093A (en) 2015-11-05 2015-11-05 Grain tempering and drying device

Country Status (1)

Country Link
CN (1) CN105285093A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2651682Y (en) * 2003-10-17 2004-10-27 郭立春 Drum-type grain drier
CN2694195Y (en) * 2004-01-29 2005-04-20 罗希雷 Temporary storehouse for corn using waste-heat
CN101731327A (en) * 2010-01-05 2010-06-16 华南农业大学 Centralized drying system of high-humidity grain and drying method thereof
CN101755903A (en) * 2010-02-09 2010-06-30 开原市凯尔有限公司 Energy-efficient grain dryer
CN101755904A (en) * 2010-03-05 2010-06-30 铁岭粮食烘干设备研究所 Energy-saving grain drying equipment
CN201830831U (en) * 2010-11-04 2011-05-18 马庆生 Low-temperature circulating grain drier
CN103070232A (en) * 2013-01-18 2013-05-01 华南农业大学 Low-temperature circulation dryer for crop seeds
CN103398561A (en) * 2013-08-10 2013-11-20 山东理工大学 Energy-saving type material drying system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2651682Y (en) * 2003-10-17 2004-10-27 郭立春 Drum-type grain drier
CN2694195Y (en) * 2004-01-29 2005-04-20 罗希雷 Temporary storehouse for corn using waste-heat
CN101731327A (en) * 2010-01-05 2010-06-16 华南农业大学 Centralized drying system of high-humidity grain and drying method thereof
CN101755903A (en) * 2010-02-09 2010-06-30 开原市凯尔有限公司 Energy-efficient grain dryer
CN101755904A (en) * 2010-03-05 2010-06-30 铁岭粮食烘干设备研究所 Energy-saving grain drying equipment
CN201830831U (en) * 2010-11-04 2011-05-18 马庆生 Low-temperature circulating grain drier
CN103070232A (en) * 2013-01-18 2013-05-01 华南农业大学 Low-temperature circulation dryer for crop seeds
CN103398561A (en) * 2013-08-10 2013-11-20 山东理工大学 Energy-saving type material drying system

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Application publication date: 20160203