CN205940048U - Grain drying device - Google Patents

Grain drying device Download PDF

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Publication number
CN205940048U
CN205940048U CN201620910661.2U CN201620910661U CN205940048U CN 205940048 U CN205940048 U CN 205940048U CN 201620910661 U CN201620910661 U CN 201620910661U CN 205940048 U CN205940048 U CN 205940048U
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China
Prior art keywords
drying
air
area
heating
corn
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Expired - Fee Related
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CN201620910661.2U
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Chinese (zh)
Inventor
王成铸
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王成铸
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Priority to CN201620910661.2U priority Critical patent/CN205940048U/en
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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
    • 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 utility model discloses a grain drying device, including main drying tower, warm water circulating system and hot air circulation system, main drying tower delays the red region, gulch feed bin and discharge gate from last to including upper portion feed bin, heating and drying district down in proper order, cooling off, warm water circulating system includes fin, storage water tank and the air -source heat pump in heating and drying district communicate the circulation circuit who constitutes in proper order, hot air circulation system includes the air intake that the red region is delayed in the return air inlet of main drying tower upper end, return air fan, air -source heat pump's air condenser, air supply fan and cooling feeds through the circulation circuit who constitutes in proper order. Grain drying device is small, low temperature drying, the controlled temperature of being convenient for avoids overheated, and messenger's cereal is evenly dried, and the guarantee product is moisture even, reduces the waist rate of exploding of cereal, the high -efficient retrieval and utilization of the energy has been realized to the energy that adopts air -source heat pump to utilize the waste heat conduct in the return air to dry, has reduced the energy consumption.

Description

A kind of grain drying device
Technical field
This utility model is related to dehydrator technical field, especially a kind of grain drying device.
Background technology
In order to allow corn reach the condition that safety is stored in a warehouse or processed, need to be reduced harvested water with grain drying device The moisture content of the aqueous high granular crop such as rice, Semen Tritici aestivi, makes the safe moisture that the moisture content of corn must not higher than can be stored in a warehouse (12% is the safe moisture of corn storage),
In prior art, by corn and air-flow direction of relative movement, dehydrator can be divided into following several:
1st, flow over dehydrator
The manufacturing process of crossing current dehydrator is simple, easy for installation, low cost, and productivity ratio is high;But it is uniform to there is corn drying Property poor, the corn after drying is relatively inaccessible to require, and specific heat consumption is higher, and a machine is dried limited by various types of grain, inside and outside sieve aperture need through The problems such as often clear up.
2nd, mixed flow dehydrator
The tower structure that how mixed flow dehydrator is interlocked by triangle or five jiaos of boxes or cross arrangement forms.This type of domestic production Producer than crossing current many, with crossing current compared with its advantage be:
(1) uniformly, after baking, grain moisture content is more uniform for warm-air supply;
(2) specific heat consumption is low by 5%~15%;
(3) under the same terms, required blower fan power is little, and dried medium specific consumption is also little;
(4) dry grain variety wide, grain can be dried, and kind can be dried;
(5) it is convenient to clean, be difficult miscegenation.
Shortcoming is:
(1) complex structure, under the conditions of same product throughput rate, manufacturing cost is slightly higher;
(2) the sub-fraction corn precipitation at four angles of dehydrator is partially slow.
3rd, parallel flow dryer
Parallel flow dryer mostly is the tower structure that funneling air intake duct is combined with horn shape box exhaust duct, and it is different from mixed flow Dehydrator is by an air main hot wind supply, but supplies different or part identical hot blast by multiple (level) warm-air pipe.Domestic life Produce producer's quantity and be less than mixed flow dehydrator producer, its advantage has:
(1) use hot blast temperature high, general one-level high temperature section temperature is up to 150~250 DEG C;
(2) specific heat consumption is low, can guarantee that grain quality after baking;
(3) dehydrator more than three-level following current has the advantage dropping big moisture content, and can obtain higher productivity ratio;
(4) during continuous oven drying, precipitation range is big, typically up to 10%~15%;
(5) it is best suitable for drying cereal crops and the seed of big moisture content.
Shortcoming is:
(1) structure is more complicated, manufacturing cost close to or slightly above mixed flow dehydrator;
(2) depth of grain layer is big, and required high pressure positive blower power is big, and price is high.
4th, batch circulation grain drier
Batch circulation grain drier is a kind of form of crop dryer, and it is by heating system, electric-control system and main frame Three parts form.Host machine part mainly includes silo (grain storage section or delay section), dryer section (ventilation section), draining crop mechanism, defeated Send screw feeder, elevator, discharge mechanism, attract blower fan etc..It typically is provided with online moisture monitoring, the warning of full amount, overload protection, blast Detection, burner flame monitoring, furnace temperature abnormal protection, hot blast sensing, Gu Wen sensing, fault alarm show and autostop control Deng safety device.This drier is by batch cycle operation in operation, that is, drying machine can only be dried a collection of paddy every time Thing.In work, corn loads hopper, delivers to dehydrator top through bucket elevator, until filling whole drying machine.Dry run In, corn slowly falls, and delivers to bucket elevator bottom by lower screw feeder after flowing through drying section, more defeated upwards by bucket elevator Send, spread down by upper screw feeder is laterally homogeneous, the corn after primary drying, after storing section tempering for a period of time, flows to dry again Dry portion is carried out by heated drying, and such iterative cycles are until reach setting moisture value.Batch circulation grain drier is Oryza sativa L. producing region Most common it is widely used type.
The different drying with other grains of Oryza sativa L., Oryza sativa L. is a kind of crop of thermal sensitivity, and rate of drying is too fast or parameter Select the quick-fried waist of improper easy generation.So-called quick-fried waist is exactly that after Oryza sativa L. is dried or after cooling, particle surface produces microfissure, and this will Directly affecting broken rice rate during Oryza sativa L. husk rice, thus affecting the rice milling yield of Oryza sativa L., also directly influencing its yield and economic valency Value.
Utility model content
This utility model aims to provide a kind of grain drying device overcoming above-mentioned dehydrator shortcoming, and this utility model adopts Technical scheme be:
A kind of device for corn drying, including:
Main drying tower, described main drying tower include successively from top to bottom top feed bin, heating, drying area, cooling tempering area, Gulch feed bin and discharging opening;Described main drying tower upper end is provided with return air inlet, is provided with fin in described heating, drying area.
Hot water cyclesystem, is sequentially communicated looping back of being constituted including described fin, storage tank and air energy heat pump Road;
Described air energy heat pump includes expansion drum, filter, cross valve, aerial condenser, compressor, radiator, described Expansion drum, filter, cross valve, aerial condenser, compressor, radiator are sequentially connected composition closed circuit;
Hot air circulating system, including the return air inlet of described main drying tower upper end, return air fan, air energy heat pump air Condenser, breeze fan and cooling tempering area are sequentially communicated constituted closed circuit.
Further, described main drying tower includes top feed bin, the first heating, drying area, the first cooling from top to bottom successively Tempering area, the second heating, drying area, second cooling tempering area, the 3rd heating, drying area, the 3rd cooling tempering area, gulch feed bin and Discharging opening;Described first heating, drying area, the second heating, drying area and the 3rd heating, drying area be respectively equipped with the first fin, Two fin and the 3rd fin;
Hot water cyclesystem, including described 3rd fin, the second fin, the first fin, storage tank and air energy Heat pump is sequentially communicated constituted closed circuit;
Hot air circulating system, including the return air inlet of described main drying tower upper end, return air fan, air energy heat pump air Condenser, breeze fan, the first cooling tempering area, the second cooling tempering area and the 3rd cooling tempering area are sequentially communicated and are constituted Closed circuit.
Further, it is provided with revolving valve, for by dried paddy between described 3rd cooling tempering area and gulch feed bin Thing is transported to gulch feed bin.
Further, described 3rd cooling tempering area is additionally provided with online moisture detector, aqueous for on-line monitoring corn With control revolving valve blanking velocity.
Further, described hot air circulating system also includes cyclone separator, is arranged at return air fan and air setting Between device.
Further, it is additionally provided with supplementary air port between described cyclone separator and aerial condenser, described supplementary air port is also It is provided with supplementary wind filter.
Further, described first cooling tempering area, second cooling tempering area and the 3rd cooling tempering area, gulch feed bin, It is equipped with thermometer in hot water cyclesystem, radiator.
Further, the described device for corn drying is additionally provided with switch board.
Grain drying device small volume described in the utility model;Oven drying at low temperature, is easy to control temperature, it is to avoid overheated, makes paddy Thing is uniformly dried, and ensures that product is aqueous uniformly, reduces the percent cracked rice of corn;Utilize the waste heat in return air to make using air energy heat pump For dry the energy it is achieved that high efficiency of energy reuse, reduce energy consumption;Simple to operate, can continuously put in storage.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only Some embodiments of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of grain drying device described in the utility model.
Specific embodiment
Purpose, technical scheme and advantage for making this utility model embodiment are clearer, new below in conjunction with this practicality Type embodiment and accompanying drawing, are clearly and completely described to the technical scheme in this utility model embodiment.Need explanation It is that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.New based on this practicality Embodiment in type, the every other enforcement that those of ordinary skill in the art are obtained under the premise of not paying creative work Example, broadly falls into the scope of this utility model protection.
Specific embodiment of the present utility model is described below in conjunction with the accompanying drawings.
As shown in figure 1, grain drying device described in the utility model includes main drying tower 1, hot water cyclesystem, hot-air Blood circulation.
Described main drying tower 1 is vertical drying tower, includes top feed bin 101, heating, drying area, cooling from top to bottom successively Tempering area, gulch feed bin 108 and discharging opening 109, described main drying tower 1 upper end is provided with return air inlet 111, in described heating, drying area It is provided with fin.
Preferably, described main drying tower 1 include successively from top to bottom top feed bin 101, the first heating, drying area 102, First cooling tempering area 103, the second heating, drying area 104, second cool down tempering area 105, the 3rd heating, drying area the 106, the 3rd Cooling tempering area 107, gulch feed bin 108 and discharging opening 109;Described first heating, drying area 102, the second heating, drying area 104 It is respectively equipped with the first fin 1021, the second fin 1041 and the 3rd fin 1061 with the 3rd heating, drying area 106.
Treat that dried grains are transported to top feed bin 101, treat that dried grains flow downward because of self gravitation, dry through the first heating The fin 1021 in dry area 102, treats that dried grains are heated cold dry air dehydration of simultaneously being sailed against the current;Corn after dehydration flows again Enter the first cooling tempering area 103 by cold dry air ventilation tempering;Corn passes through the fin in the second heating, drying area 104 1041, treat that dried grains are heated dehydration again;It is slow by cold dry air cooling that corn after dehydration flows into the second cooling tempering 105 again Soviet Union;Corn passes through the fin 1061 in the 3rd heating, drying area 106, treats that dried grains are heated dehydration again;After dehydration Corn passes through the 3rd cooling tempering area 107 by cold dry air ventilation tempering;Treat dried grains through three-level heating, drying and cooling Drying is completed after tempering cooling.Preferably, being provided with revolving valve between described 3rd cooling tempering area 107 and gulch feed bin 108 1071, dried corn is admitted to gulch feed bin 108 through revolving valve 1071, and the dried grain in gulch feed bin 104 can be led to Cross discharging opening 109 to flow out.Grain drying device described in the utility model is simple to operate, treats that dried grains can continuously put in storage, described go out Material mouth 109 can directly be docked with husk rice processing.
Preferably, described 3rd cooling tempering area 107 is provided with online moisture detector 1072, described online water content detection Instrument 1072 is used for the water content of on-line checking corn and controls revolving valve 1071 blanking velocity, and scalable corn is slow in the 3rd cooling The drying time in the Red Region 107, strengthen the drying effect of the corn finished product qualified to obtain water content.
Hot water cyclesystem includes described 3rd fin 1061, the second fin 1041, the first fin 1021, water storage Case 2 and air energy heat pump 3 are sequentially communicated constituted closed circuit.Preferably, described hot water cyclesystem is provided with thermometer, Temperature for detecting circulating hot water is easy to control circulating hot water to be in temperature constant state.
Heat the 3rd fin 1061, the second fin 1041 and the first fin 1021 to dry and to treat using constant-temperature hot water Dried grains, easy temperature control, it is to avoid the 3rd fin 1061, the second fin 1041 and the first fin 1021 are overheated, make corn Uniformly heated, ensured that product is aqueous uniformly.
Described air energy heat pump 3 includes expansion drum 301, filter 302, cross valve 303, aerial condenser 304, compressor 305th, radiator 306, described expansion drum 301, filter 302, cross valve 303, aerial condenser 304, compressor 305, radiating Device 306 is sequentially connected composition closed circuit.
Described hot air circulating system includes the return air inlet 111 of main drying tower 1 upper end, return air fan 4, air energy heat pump 3 Aerial condenser 304, cooling tempering area 105 of breeze fan 5, first cooling tempering area 103, second and the 3rd cooling tempering area 107 are sequentially communicated constituted closed circuit.Preferably, described hot air circulating system also includes cyclone separator 6, setting Between return air fan 4 and aerial condenser 304, for filtering the hot-air that return air fan 4 is extracted out from drying tower 1.
After aerial condenser 304 transducing of air energy heat pump 3 cools down, obtain temperature is 15-25 DEG C of dehumidification to hot-air Cold dry air, the cold dry air of dehumidification sends into the first cooling tempering area 103, second cooling tempering area 105 and through breeze fan 5 3rd cooling tempering area 107.
The dew point of described cold dry air is low, the cold dry air of dehumidification in main drying tower 1 from bottom to top, with corn adverse current and OK, dried grains forced cooling tempering will be treated and carry out a large amount of moisture content in main drying tower 1, thus flash baking corn;In phase With drying under yield, the volume of the main drying tower 1 of grain drying device described in the utility model is less.The cold dry air hot paddy of cooling After thing, air takes away the moisture content in heating, drying area;Now air themperature is increased to 40-55 DEG C, and dew point raises and carries a large amount of water Part.
Hot-air is extracted out by return air fan 4 through main drying tower 1 top return air inlet 111, and via cyclone separator 6 dedusting Send into air energy heat pump 3 after filter, obtain cold dry air and send into the first cooling tempering area 105 of cooling tempering area 103, second again afterwards With the 3rd cooling tempering area 107.Now hot-air heats the water of air energy heat pump 3 to 60-80 DEG C as thermal source, air energy heat pump Water in storage tank 2 is delivered to the first heating, drying area 102, the second heating, drying area 104 and the 3rd heating, drying area 106 by 3 again, For heating the 3rd fin 1061, the second fin 1041 and the first fin 1021.Preferably, described cyclone separator It is additionally provided with supplementary wind entrance, described supplementary wind entrance is additionally provided with supplementary wind filter 7 between 6 and described air energy heat pump 3.
Corn is warming up to 50-60 DEG C in heating, drying area, cools to 25-30 DEG C in cooling tempering area, through three-level heating Baking zone and cooling tempering area, treat that dried grains complete dry run.And this ventilation tempering technique, can effectively prevent corn quick-fried Waist, and it is rapidly completed grain-drying.
During above-mentioned grain-drying, hot-air is to recycle, and air energy heat pump 3 is using the return air residual heat dried For drying supply energy source, and obtain cold dry air for paddy drying tempering it is achieved that high efficiency of energy reuse;Whole process Only expend the electric energy needed for the compressor 305 in air energy heat pump 3 operates, with conventional grain drying device ratio, saved a large amount of The energy is it is not necessary to manufacture complex and high cost hot stove.
Preferably, cooling tempering area 105 of described heating the first cooling tempering area 103, second and the 3rd cooling tempering area 107th, gulch feed bin 104, hot water cyclesystem, be equipped with thermometer in radiator 306, for detection temperature, be easy to control institute State the first cooling tempering area 103, second and cool down tempering area 105 and the 3rd cooling tempering area 107, gulch feed bin 104, hot water circuit System, radiator 306 are in temperature constant state.
Preferably, described grain drying device is additionally provided with switch board, for controlling the operational factor of grain drying device.

Claims (8)

1. a kind of device for corn drying is it is characterised in that include:
Main drying tower, described main drying tower includes top feed bin, heating, drying area, cooling tempering area, gulch from top to bottom successively Feed bin and discharging opening;Described main drying tower upper end is provided with return air inlet, is provided with fin in described heating, drying area;
Hot water cyclesystem, is sequentially communicated constituted closed circuit including described fin, storage tank and air energy heat pump;
Described air energy heat pump includes expansion drum, filter, cross valve, aerial condenser, compressor, radiator, described expansion Tank, filter, cross valve, aerial condenser, compressor, radiator are sequentially connected composition closed circuit;
Hot air circulating system, including the return air inlet of described main drying tower upper end, return air fan, air energy heat pump air setting Device, breeze fan and cooling tempering area are sequentially communicated constituted closed circuit.
2. according to claim 1 be used for corn drying device it is characterised in that described main drying tower from top to bottom successively Including top feed bin, the first heating, drying area, first cooling tempering area, the second heating, drying area, second cooling tempering area, the 3rd Heating, drying area, the 3rd cooling tempering area, gulch feed bin and discharging opening;Described first heating, drying area, the second heating, drying area It is respectively equipped with the first fin, the second fin and the 3rd fin with the 3rd heating, drying area;
Hot water cyclesystem, including described 3rd fin, the second fin, the first fin, storage tank and air energy heat pump It is sequentially communicated constituted closed circuit;
Hot air circulating system, including the return air inlet of described main drying tower upper end, return air fan, air energy heat pump air setting Device, breeze fan, the first cooling tempering area, the second cooling tempering area and the 3rd cooling tempering area are sequentially communicated constituted circulation Loop.
3. it is used for the device of corn drying according to claim 2 it is characterised in that the described 3rd cools down tempering area and gulch It is provided with revolving valve, for dried corn is transported to gulch feed bin between feed bin.
4. it is used for the device of corn drying according to claim 3 it is characterised in that described 3rd cooling tempering area is additionally provided with Online moisture detector, aqueous and control revolving valve blanking velocity for on-line monitoring corn.
5. it is used for the device of corn drying according to claim 4 it is characterised in that described hot air circulating system also includes Cyclone separator, is arranged between return air fan and aerial condenser.
6. it is used for the device of corn drying according to claim 5 it is characterised in that described cyclone separator and air setting It is additionally provided with supplementary air port, described supplementary air port is additionally provided with supplementary wind filter between device.
7. according to claim 6 be used for corn drying device it is characterised in that described first cooling tempering area, second Cooling tempering area and the 3rd cooling tempering area, gulch feed bin, hot water cyclesystem, it is equipped with thermometer in radiator.
8. according to claim 7 be used for corn drying device it is characterised in that the described device for corn drying also It is provided with switch board.
CN201620910661.2U 2016-08-19 2016-08-19 Grain drying device Expired - Fee Related CN205940048U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620910661.2U CN205940048U (en) 2016-08-19 2016-08-19 Grain drying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620910661.2U CN205940048U (en) 2016-08-19 2016-08-19 Grain drying device

Publications (1)

Publication Number Publication Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107830720A (en) * 2017-11-25 2018-03-23 圣火科技(河南)有限责任公司 One kind is provided multiple forms of energy to complement each other wind and water combined drying device and method
CN110500871A (en) * 2019-10-02 2019-11-26 祝磊 A kind of internally circulating cyclone formula grain drying method
CN111023778A (en) * 2019-12-25 2020-04-17 河南省农业科学院农副产品加工研究中心 Material drying unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107830720A (en) * 2017-11-25 2018-03-23 圣火科技(河南)有限责任公司 One kind is provided multiple forms of energy to complement each other wind and water combined drying device and method
CN110500871A (en) * 2019-10-02 2019-11-26 祝磊 A kind of internally circulating cyclone formula grain drying method
CN110500871B (en) * 2019-10-02 2021-02-23 宁夏银豐米业有限公司 Internal circulation cyclone type grain drying method
CN111023778A (en) * 2019-12-25 2020-04-17 河南省农业科学院农副产品加工研究中心 Material drying unit

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170208

Termination date: 20170819

CF01 Termination of patent right due to non-payment of annual fee