CN104677054A - Inverted microwave low-temperature fluidized bed drying equipment - Google Patents
Inverted microwave low-temperature fluidized bed drying equipment Download PDFInfo
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- CN104677054A CN104677054A CN201510071092.7A CN201510071092A CN104677054A CN 104677054 A CN104677054 A CN 104677054A CN 201510071092 A CN201510071092 A CN 201510071092A CN 104677054 A CN104677054 A CN 104677054A
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Abstract
The invention mainly aims to solve the problems of large size, low efficiency, low drying speed, high energy consumption and the like of an existing drying machine, and provides inverted microwave low-temperature fluidized bed drying equipment. The drying equipment comprises a shell, a lower box body, a material inlet, a baffle, a preheating chamber, a feeder, a drying chamber, an air channel, a perforated plate, a fan, an air feeding pipe, a microwave generator, a heat dissipation air pipe, a discharger, an exhaust pipe, a bottom supporting device, a partition plate, a material baffle and a control panel. The drying equipment disclosed by the invention can be used for drying various grain materials, has the characteristics of low fissure ratio, high quality, quickness and high efficiency, can conveniently adjust the rotating speed and the air speed of material feeding and discharging doors by a control console according to the types, the moisture contents and the particle sizes of the grains to set the time, the temperature and the drying speed and can meet different requirements of an enterprise.
Description
Technical field
The present invention relates to the low temperature fluidized bed drying equipment of a kind of inversion microwave, belong to foodstuff processing technology field.
Background technology
Grain heat-drying is the very important process procedure of grain storage and following process.The particularly material such as corn, paddy, during results, moisture is high, has seed large, has hard shell or epidermis, is difficult to remove moisture fast.When heating-up temperature is low, dried material speed is slow; During temperature height, material epidermis can be caused by spalling, there is crackle in surface, and percent cracked rice increases, and causes material Jiao burnt time serious, also can fire hazard.
Modern furnace drying method is a lot, but does not also have to solve the problem, and is still Grain Trade urgent problem.
One class drier such as tower, box, the drum-type, fluidized bed dryer etc. of existing use hot blast have distinct disadvantage, and temperature during evacuate air is higher, and the thermal efficiency is lower, and energy ezpenditure is higher.
Newer technology adopts low temperature drying process at a slow speed, although percent cracked rice is low, quality better, the volume of drying machine is large, and efficiency is low, and rate of drying is slow, and energy consumption is high.
Microwave fluid bed United microwave drying equipment is that drying is carried out in fluid bed and microwave segmentation.
Existing microwave, infra-red drying technique all require to carry out under low-power, prevent material overheated, and the change of irradiation distance affects very large on the precipitation of material and temperature, and the coupling of thickness and radiation intensity can aggravate the precipitation and the variations in temperature that affect material.
Summary of the invention
For solving the problem, providing a kind of and being inverted the low temperature fluidized bed drying equipment of microwave, this equipment realizes making full use of of heat energy by the cold material of adverse current and dried hot and humid gas heat exchange; By hot and humid gas to the preliminary heating of material and dry to prevent the epidermis spalling of material or quick-fried waist; With inversion microwave as thermal source, by using cold wind material lower the temperature and make material formation fluid bed (solid material suspend skyborne state), operation is carried out at low temperatures fast; Material baffle is utilized to reduce the difficulty of fluid bed control; Utilize dividing plate that the material of different water cut is controlled microwave power, ventilation temperature and ventilation respectively.This equipment can dry various grain materials, and can turnover bin gate rotating speed and wind speed be regulated according to the kind of grain, moisture content, granular size to come setup times, temperature and rate of drying by console easily, can meet the different demands of enterprise.
For achieving the above object, the present invention adopts following technical proposals:
Be inverted the low temperature fluidized bed drying equipment of microwave, comprise housing, lower box, charging aperture, baffle plate, preheating chamber, feeder, hothouse, air duct, porous plate, blower fan, blast pipe, microwave generator, heat radiating air duct, discharger, blast pipe, base support means, dividing plate, material baffle and control panel, the top of described housing is provided with charging aperture and blast pipe, be preheating chamber bottom charging aperture and blast pipe, baffle plate is installed in preheating chamber, bottom preheating chamber, feeder is installed, feeder is communicated with hothouse, preheating chamber is connected with hothouse by air duct, the bottom of hothouse is porous plate, the outside connecting fan of lower box, blower fan is connected with blast pipe, blast pipe is installed on lower box, microwave generator and heat radiating air duct are installed in lower box inside, bottom lower box, base support means is installed, discharger exports with described hothouse and is connected, dividing plate to be installed between every two microwave generators and to stretch in hothouse, material baffle tilts to be installed in hothouse, control panel is connected with housing.
Described feeder adjustable speed, controls mass flow and drying time.
Described baffle plate tilts to be staggered installation of in preheating chamber, and baffle plate is porous plate.
Described porous plate be by not absorbing microwave, heat-resisting quartz glass is made.
Described microwave generator is inverted and is installed on lower box inside.
Described blower fan need not heat specially.
The valve of described feeder and discharger is chain.
Described material baffle is porous plate.
Described dividing plate Height Adjustable, can be controlled microwave power and ventilation respectively by the different section of the hothouse of baffle for separating.
The invention has the beneficial effects as follows:
1, whole dry run is carried out under the cryogenic conditions that can control;
2, making full use of of heat energy is realized by the cold material of adverse current and dried hot and humid gas heat exchange;
3, by hot and humid gas to the preliminary heating of material and drying to prevent the epidermis spalling of material or quick-fried waist;
4, with being inverted microwave as thermal source, by using cold wind to lower the temperature to material, operation is carried out at low temperatures fast;
5, dry run material is heated evenly, without dead angle;
6, carry out heated material with the steam that dry run produces, easily control heating-up temperature;
7, inverted microwave generator and the automatic classification material effect because of different in moisture, reach counter-current drying effect better.Because moisture is different, the density difference of material is very large, and the material density that moisture is large is large, so below, like this with regard to Natural classification, makes washy material below and closer to inversion microwave generator, accepts more energy; And moisture few material floats over top, away from being inverted microwave generator thus being unlikely to overheated.
8, the fuel factor of microwave has distance, and from the close-by examples to those far off fuel factor weakens gradually, and make the material newly entered be subject to microwave action so little, rate of drying is little, and along with microwave action improves constantly, rate of drying little by little improves, and avoids producing dry and cracked even quick-fried waist;
9, microwave generator power can regulate in a big way under cold air coordinates;
10, this equipment can dry various grain materials, and can come setup times, temperature and rate of drying according to the kind of grain, moisture content, granular size easily, can meet the different demands of enterprise;
11, material baffle is utilized to reduce the difficulty of fluid bed control;
12, utilize adjustable for height dividing plate by the material of different water cut in hothouse separately, control microwave power, ventilation temperature and ventilation respectively.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of baffle plate of the present invention;
Fig. 3 is the structural representation of material baffle of the present invention.
Detailed description of the invention
With reference to Fig. 1-3, be inverted the low temperature fluidized bed drying equipment of microwave, comprise housing 1, lower box 2, charging aperture 3, baffle plate 4, preheating chamber 5, feeder 6, hothouse 7, air duct 8, porous plate 9, blower fan 10, blast pipe 11, microwave generator 12, heat radiating air duct 13, discharger 14, blast pipe 15, base support means 16, dividing plate 17, material baffle 18 and control panel 19, the top of described upper box 1 is provided with charging aperture 3 and blast pipe 15, be preheating chamber 5 bottom charging aperture 3 and blast pipe 15, baffle plate 4 is installed in preheating chamber 5, be connected with feeder 6 bottom preheating chamber 5, feeder 6 is communicated with hothouse 7, preheating chamber 5 is connected with hothouse 7 by air duct 8, the bottom of hothouse 7 is porous plate 9, the outside connecting fan 10 of lower box 2, blower fan 10 is connected with blast pipe 11, blast pipe 11 is installed on lower box 2, microwave generator 12 and heat radiating air duct 13 are installed in lower box 2 inside, base support means 16 is installed bottom lower box 2, discharger 14 exports with described hothouse 7 and is connected, dividing plate 17 to be installed between every two microwave generators 12 and to stretch in hothouse 7, material baffle 18 tilts to be installed in hothouse 7, control panel 19 is connected with housing 1.
Described feeder 6 adjustable speed, controls mass flow and drying time.
Described baffle plate 4 tilts to be staggered installation of in preheating chamber 5, and baffle plate 4 is porous plate.
Described porous plate 9 be by not absorbing microwave, heat-resisting quartz glass is made.
Described microwave generator 12 is inverted and is installed on lower box 2 inside.
Described blower fan 10 need not heat specially.
Described feeder 6 is chain with the valve of discharger 14.
Described material baffle 18 is porous plate.
Described dividing plate 17 Height Adjustable, can be controlled microwave power and ventilation respectively by the different section of hothouse 7 that dividing plate 17 is separated.
The dry course of work of this inversion microwave low temperature fluidized bed drying equipment is as follows:
Pre-dried material enters preheating chamber 5 by charging aperture 3 by baffle plate 4, baffle plate 4 there is passage, material in preheating chamber 5 carries out preheating with from the damp-heat air counter current contacting after hothouse 7 fully heat exchange, carry out the gentle damping of slow-action simultaneously, make material in highly humid air, reach temperature needed for drying;
Material after preheating enters the hothouse 7 of fluidized bed dryer by feeder 6, is held up form fluid bed by the air of coming in below; Inverted microwave generator 12 upwards launched microwave carries out drying to the material in hothouse 7, gasify after the moisture absorption energy of internal batch, temperature of charge raises, under the cold wind action that bottom blower fan 10 is blown into, temperature of charge remains on below the temperature of technological design, and the material density that moisture is large is large, so below, so just naturally separate washy material below closer to microwave generator 12, accept more energy; Dried material forms fluid bed under the drive of Cryogenic air in hothouse 7, and move to Way out, hothouse is separated into three relatively independent spaces by dividing plate 17, dividing plate 17 height adjustable, material in order to control to meet water content requirement flows to rear space, control microwave power, air themperature and air quantity respectively, form material moisture in three spaces and reduce gradually; The material baffle 18 tilted, for intercepting solid material, conveniently controls the suspended state of material; Material loses blowing force in hothouse 7 exit and falls outlet, is discharged, arranged by each parameter of control panel 19 to this drying equipment by discharger 14.
The damp-heat air that dry run produces from bottom to top, carries out the recycling of heat energy with the material newly entered, is expelled to preheating chamber 5 from the air duct 8 at hothouse 7 top.
Claims (9)
1. be inverted the low temperature fluidized bed drying equipment of microwave, it is characterized in that, this drying equipment comprises housing, lower box, charging aperture, baffle plate, preheating chamber, feeder, hothouse, air duct, porous plate, blower fan, blast pipe, microwave generator, heat radiating air duct, discharger, blast pipe, base support means, dividing plate, material baffle and control panel, the top of described housing is provided with charging aperture and blast pipe, be preheating chamber bottom charging aperture and blast pipe, baffle plate is installed in preheating chamber, bottom preheating chamber, feeder is installed, feeder is communicated with hothouse, preheating chamber is connected with hothouse by air duct, the bottom of hothouse is porous plate, the outside connecting fan of lower box, blower fan is connected with blast pipe, blast pipe is installed on lower box, microwave generator and heat radiating air duct are installed in lower box inside, bottom lower box, base support means is installed, discharger exports with described hothouse and is connected, dividing plate to be installed between every two microwave generators and to stretch in hothouse, material baffle tilts to be installed in hothouse, control panel is connected with housing.
2. the low temperature fluidized bed drying equipment of inversion microwave as claimed in claim 1, is characterized in that, described feeder adjustable speed, controls mass flow and drying time.
3. the low temperature fluidized bed drying equipment of inversion microwave as claimed in claim 1, is characterized in that, described baffle plate tilts to be staggered installation of in preheating chamber, and baffle plate is porous plate.
4. as claimed in claim 1 be inverted the low temperature fluidized bed drying equipment of microwave, it is characterized in that, described porous plate be by not absorbing microwave, heat-resisting quartz glass is made.
5. the low temperature fluidized bed drying equipment of inversion microwave as claimed in claim 1, is characterized in that, described microwave generator is inverted and is installed on lower box inside.
6. the low temperature fluidized bed drying equipment of inversion microwave as claimed in claim 1, it is characterized in that, described blower fan need not heat specially.
7. the low temperature fluidized bed drying equipment of inversion microwave as claimed in claim 1, it is characterized in that, the valve of described feeder and discharger is chain.
8. the low temperature fluidized bed drying equipment of inversion microwave as claimed in claim 1, it is characterized in that, described material baffle is porous plate.
9. as claimed in claim 1 be inverted the low temperature fluidized bed drying equipment of microwave, it is characterized in that, described dividing plate Height Adjustable, microwave power and ventilation can be controlled respectively by the different section of the hothouse of baffle for separating.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510071092.7A CN104677054B (en) | 2015-02-11 | 2015-02-11 | It is inverted the low temperature fluidized bed drying equipment of microwave |
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| CN201510071092.7A CN104677054B (en) | 2015-02-11 | 2015-02-11 | It is inverted the low temperature fluidized bed drying equipment of microwave |
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| CN104677054A true CN104677054A (en) | 2015-06-03 |
| CN104677054B CN104677054B (en) | 2017-06-06 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105767849A (en) * | 2016-03-23 | 2016-07-20 | 上海海洋大学 | Microwave assisted fluidized cold wind drying method |
| CN106123492A (en) * | 2016-07-19 | 2016-11-16 | 浙江工业大学 | A kind of microwave horizontal multi-cell fluidized bed drying device |
| CN106277714A (en) * | 2016-08-16 | 2017-01-04 | 绿水股份有限公司 | A kind of sludge drying system of high thermal driving force |
| CN106738435A (en) * | 2016-12-29 | 2017-05-31 | 天津莱沃真空干燥设备制造有限公司 | Rapid drying device and drying means after a kind of plastic extruding pelletization |
| CN107421240A (en) * | 2017-05-27 | 2017-12-01 | 江苏省翠源食品股份有限公司 | A kind of floated Vegetable drying machine |
| CN107796176A (en) * | 2016-09-01 | 2018-03-13 | 云南民族大学 | A kind of method of microwave fluidized drying acid-dissolved titanium slag |
| CN108311066A (en) * | 2017-01-18 | 2018-07-24 | 四川大学 | Microwave treatment multiphase fluidized-bed reactor and the technique for handling ardealite |
| CN110089915A (en) * | 2018-01-30 | 2019-08-06 | 佛山市顺德区美的电热电器制造有限公司 | Cooking methods, cooker, cooking apparatus and computer readable storage medium |
| CN110811290A (en) * | 2018-08-10 | 2020-02-21 | 佛山市爱米吧科技有限公司 | Food pumping method and device, computer equipment and storage medium |
| CN111854375A (en) * | 2020-07-27 | 2020-10-30 | 北京金辉景新节能科技有限公司 | Vacuum microwave dewatering equipment |
| CN113945069A (en) * | 2021-09-15 | 2022-01-18 | 朱双权 | Vibration dryer for bio-pharmaceuticals |
| CN114739122A (en) * | 2022-04-25 | 2022-07-12 | 农业农村部南京农业机械化研究所 | Grain circulating dryer of vibrating fluidized bed based on microwave heating |
| TWI777168B (en) * | 2019-05-28 | 2022-09-11 | 日商沙迪克股份有限公司 | A granule preheating device and a granule preheating method thereof for preheating before processing a granular food material with a food processing machine, and a granule temperature adjustment device and a granule temperature adjustment method thereof for preheating or precooling before processing a granular food material with a food processing machine |
| CN115046368A (en) * | 2022-06-16 | 2022-09-13 | 武汉轻工大学 | Grain drying equipment combined with microwave sound waves and drying method thereof |
| CN115325807A (en) * | 2022-07-29 | 2022-11-11 | 广东利元亨智能装备股份有限公司 | Pole piece drying device |
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| CN2494964Y (en) * | 2001-08-11 | 2002-06-12 | 哈尔滨工业大学达通热能工程有限公司 | Full-automatic high-moisture raw coal fluidized bed dryer |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105767849A (en) * | 2016-03-23 | 2016-07-20 | 上海海洋大学 | Microwave assisted fluidized cold wind drying method |
| CN106123492A (en) * | 2016-07-19 | 2016-11-16 | 浙江工业大学 | A kind of microwave horizontal multi-cell fluidized bed drying device |
| CN106123492B (en) * | 2016-07-19 | 2019-05-31 | 浙江工业大学 | A kind of horizontal multi-cell fluidized bed drying device of microwave |
| CN106277714B (en) * | 2016-08-16 | 2019-11-26 | 绿水股份有限公司 | A kind of sludge drying system of high thermal driving force |
| CN106277714A (en) * | 2016-08-16 | 2017-01-04 | 绿水股份有限公司 | A kind of sludge drying system of high thermal driving force |
| CN107796176A (en) * | 2016-09-01 | 2018-03-13 | 云南民族大学 | A kind of method of microwave fluidized drying acid-dissolved titanium slag |
| CN106738435A (en) * | 2016-12-29 | 2017-05-31 | 天津莱沃真空干燥设备制造有限公司 | Rapid drying device and drying means after a kind of plastic extruding pelletization |
| CN108311066A (en) * | 2017-01-18 | 2018-07-24 | 四川大学 | Microwave treatment multiphase fluidized-bed reactor and the technique for handling ardealite |
| CN108311066B (en) * | 2017-01-18 | 2021-04-13 | 四川大学 | Microwave treatment multiphase fluidized bed reactor and process for treating phosphogypsum |
| CN107421240A (en) * | 2017-05-27 | 2017-12-01 | 江苏省翠源食品股份有限公司 | A kind of floated Vegetable drying machine |
| CN110089915A (en) * | 2018-01-30 | 2019-08-06 | 佛山市顺德区美的电热电器制造有限公司 | Cooking methods, cooker, cooking apparatus and computer readable storage medium |
| CN110811290A (en) * | 2018-08-10 | 2020-02-21 | 佛山市爱米吧科技有限公司 | Food pumping method and device, computer equipment and storage medium |
| CN110811290B (en) * | 2018-08-10 | 2021-07-13 | 佛山市爱米吧科技有限公司 | Food pumping method and device, computer equipment and storage medium |
| TWI777168B (en) * | 2019-05-28 | 2022-09-11 | 日商沙迪克股份有限公司 | A granule preheating device and a granule preheating method thereof for preheating before processing a granular food material with a food processing machine, and a granule temperature adjustment device and a granule temperature adjustment method thereof for preheating or precooling before processing a granular food material with a food processing machine |
| CN111854375A (en) * | 2020-07-27 | 2020-10-30 | 北京金辉景新节能科技有限公司 | Vacuum microwave dewatering equipment |
| CN113945069A (en) * | 2021-09-15 | 2022-01-18 | 朱双权 | Vibration dryer for bio-pharmaceuticals |
| CN114739122A (en) * | 2022-04-25 | 2022-07-12 | 农业农村部南京农业机械化研究所 | Grain circulating dryer of vibrating fluidized bed based on microwave heating |
| CN115046368A (en) * | 2022-06-16 | 2022-09-13 | 武汉轻工大学 | Grain drying equipment combined with microwave sound waves and drying method thereof |
| CN115325807A (en) * | 2022-07-29 | 2022-11-11 | 广东利元亨智能装备股份有限公司 | Pole piece drying device |
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Granted publication date: 20170606 Termination date: 20200211 |