CN204902526U - Grain drier - Google Patents
Grain drier Download PDFInfo
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- CN204902526U CN204902526U CN201520577254.XU CN201520577254U CN204902526U CN 204902526 U CN204902526 U CN 204902526U CN 201520577254 U CN201520577254 U CN 201520577254U CN 204902526 U CN204902526 U CN 204902526U
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Abstract
The utility model provides a grain drier, includes fluidized bed and hot -blast feeding device, and the fluidized bed includes support, the bed body and bed board, and the bed body is installed on the support, and during the cavity of the bed body was located to the bed board, upper portion cavity and lower part cavity were separated into with the cavity of the bed body to the bed board, are equipped with a plurality of ventilation holes on the bed board, are equipped with feed inlet, discharge gate and air exit on the bed body, and bed body both ends, characterized by are located to feed inlet, discharge gate branch: grain drier still includes cold wind feeding device and dust extraction, hot -blast room and cold wind room are separated into to the lower part cavity, and wherein hot -blast room is close to the feed inlet, and the cold wind room is close to the discharge gate, bed body bottom is equipped with hot -blast import and cold wind import, import of hot -blast feeding device menstruation heat wind and hot -blast room intercommunication, and cold wind feeding device is through cold wind import and cold wind room intercommunication, the upper portion cavity is through air exit and dust extraction intercommunication. The utility model discloses can fully carry out drying and cooling to cereal, can remove dust to cereal simultaneously to the cleanliness factor of cereal is improved to the extension cereal shelf life.
Description
Technical field
The utility model relates to drying equipment, is specifically related to a kind of crop dryer.
Background technology
Cereal (as oat, wheat, rice etc.) the easy moldy metamorphism when water content is larger, the storage life is short, also has influence on the quality of the product be processed into.Therefore, food producer, after buying cereal materials, need carry out drying process, to remove moisture wherein to cereal.
The crop dryer generally used at present, mainly comprise fluid bed and hot air supply device, fluid bed comprises support, bed body and bed board, bed body is rack-mount, bed board is located in a body cavity body, the cavity of bed body is separated into upper chamber and lower cavity by bed board, bed board has multiple air vent, upper chamber is communicated with lower cavity by air vent, bed body is provided with charging aperture, discharging opening, hot wind inlet and exhaust outlet, charging aperture, discharging opening is all communicated with upper chamber with exhaust outlet, charging aperture, discharging opening is divided into a body two ends, hot wind inlet to be located at bottom a body and to be communicated with lower cavity.Cereal to be dried is added in the bed body of fluid bed from charging aperture, hot blast is passed into from the hot wind inlet bottom bed body, cereal on bed board blows afloat in fluidized state by hot blast, hot blast fully contacts with the cereal be suspended in a body and heats it, moisture in cereal is evaporated, realize the oven dry of cereal, the waste gas of generation is discharged by exhaust outlet, and the cereal of drying process is discharged from discharging opening.Cereal is after above-mentioned crop dryer drying process, and have higher temperature during discharge, can pack after naturally cooling, take a long time on the one hand, reduce production efficiency, cereal is easily contaminated in natural cooling process on the other hand, affects the shelf-life.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of crop dryer, and this crop dryer can fully carry out drying to cereal and cool, and simultaneously can carry out dedusting to cereal, to extend the cereal shelf-life and to improve the cleanliness factor of cereal.The technical scheme adopted is as follows:
A kind of crop dryer, comprise fluid bed and hot air supply device, fluid bed comprises support, bed body and bed board, bed body is rack-mount, bed board is located in the cavity of a body, the cavity of bed body is separated into upper chamber and lower cavity by bed board, bed board is provided with multiple air vent, bed body is provided with charging aperture, discharging opening and exhaust outlet, charging aperture, discharging opening are all communicated with upper chamber with exhaust outlet, charging aperture, discharging opening are divided into a body two ends, it is characterized in that: described crop dryer also comprises cold wind feedway and dust exhaust apparatus; Described lower cavity is separated into hot air chamber and cold air chamber, and wherein hot air chamber is near charging aperture, and cold air chamber is near discharging opening, and hot air chamber and cold air chamber are all communicated with upper chamber through described air vent; Be provided with hot wind inlet and cold wind import bottom bed body, hot air supply device is communicated with hot air chamber through hot wind inlet, and cold wind feedway is communicated with cold air chamber through cold wind import; Upper chamber is communicated with dust exhaust apparatus through exhaust outlet.
In above-mentioned fluid bed, the part formation Hot-blast Heating section that upper chamber is corresponding with hot air chamber, the part formation cooling section that upper chamber is corresponding with cold air chamber.Cereal to be dried adds after in the bed body of fluid bed, successively through Hot-blast Heating section, cooling section from charging aperture.In Hot-blast Heating section, hot blast from hot air supply device passes into hot air chamber from the hot wind inlet bottom bed body, upper chamber is blown into from the air vent bed board, cereal is blown afloat in fluidized state, hot blast fully contacts with the cereal be suspended in a body and heats it, take away the moisture in cereal, realize the oven dry of cereal; Cereal is through cooling section subsequently, and the cold wind from cold wind feedway passes into cold air chamber from the cold wind import bottom bed body, is blown into upper chamber, contacts and cool it with cereal from the air vent bed board; Drying, cooled cereal are discharged from discharging opening.Meanwhile, dust exhaust apparatus extracts the waste gas (in waste gas moisture content and dust etc.) in upper chamber.Like this, crop dryer can fully carry out drying to cereal and cool, and carries out dedusting to cereal simultaneously, obtains the lower and cereal that cleanliness factor is high of temperature.
In preferred version, above-mentioned bed board is downward-sloping gradually to discharging opening from charging aperture, is conducive to like this cereal is flowed to discharging opening gradually from charging aperture.
In preferred version, above-mentioned hot air supply device comprises the first air cleaner, the first air blast and the air heating apparatus that are connected successively, and the gas outlet of air heating apparatus is communicated with the hot wind inlet be located at bottom a body.Above-mentioned air heating apparatus generally includes housing and heating member, and the air inlet of air heating apparatus, gas outlet are located on housing, and heating member is located in housing, and heating member heats the air flowing through shell cavity, makes it reach temperature required.Above-mentioned heating member can be the conventional heating devices such as steam heater (as place's steam pipe in the housing), electric heater unit.When first air blast runs, the first air cleaner sucks air and filters air, and filtered air is formed hot blast through air heating apparatus by heating, and enters in hot air chamber through hot wind inlet.
More preferably in scheme, above-mentioned first air cleaner comprises the first filter box, the first primary efficient filter screen and the first medium air filtration net, first filter box is provided with air intake and gas outlet, first primary efficient filter screen is arranged on the air intake of the first filter box, first medium air filtration net is located in the first filter box, and the first medium air filtration net is between the gas outlet of the first primary efficient filter screen and the first filter box.The gas that double filtration is more conducive to making to enter fluid bed keeps clean.
In preferred version, above-mentioned cold wind feedway comprises the second air cleaner and the second air blast, and the second air cleaner is communicated with the air inlet of the second air blast, gas outlet and the cold wind inlet communication be located at bottom a body of the second air blast.When second air blast runs, the second air cleaner sucks air and filters air, and filtered air enters in cold air chamber through cold wind import.
More preferably in scheme, above-mentioned second air cleaner comprises the second filter box, the second primary efficient filter screen and the second medium air filtration net, second filter box is provided with air intake and gas outlet, second primary efficient filter screen is arranged on the air intake of the second filter box, second medium air filtration net is located in the second filter box, and the second medium air filtration net is between the gas outlet of the second primary efficient filter screen and the second filter box.The gas that double filtration is more conducive to making to enter fluid bed keeps clean.
In preferred version, above-mentioned dust exhaust apparatus comprises at least one cyclone dust collectors, an induced-draught fan and a pulse dust collector, the exhaust outlet of fluid bed connects the air inlet pipe of each cyclone dust collectors through appendix, the blast pipe of each cyclone dust collectors connects the air inlet of induced-draught fan through appendix, the gas outlet of induced-draught fan connects the air inlet of pulse dust collector through appendix.Above-mentioned cyclone dust collectors, induced-draught fan and pulse dust collector all can commercially buy.Cyclone dust collectors generally comprise air inlet pipe, blast pipe, cylinder and conic tube, conic tube upper end is connected with cylinder lower end one, conic tube lower end is provided with dust-exhausting port, dust hopper is provided with below dust-exhausting port, the grit separated from waste gas, impurity etc. fall into dust hopper under gravity, and the gas through purification exports from blast pipe.Gas through cyclone dust collectors preliminary purification enters pulse dust collector, and after being purified further by pulse dust collector, clean gas is discharged from the gas outlet of pulse dust collector.Waste gas is after cyclone dust collectors, pulse dust collector two-step purification, and the gas of discharge is comparatively clean, can avoid polluting workshop condition.
When the utility model uses, cereal to be dried adds after in the bed body of fluid bed, successively through Hot-blast Heating section, cooling section from charging aperture; In Hot-blast Heating section, fully to contact with the cereal be suspended in a body from the hot blast of hot air supply device and it is heated, taking away the moisture in cereal, realize the oven dry of cereal; Cereal is through cooling section subsequently, to contact and cool it from the cold wind of cold wind feedway with cereal; Meanwhile, dust exhaust apparatus extracts the waste gas of moisture content and dust in upper chamber.Like this, crop dryer can fully carry out drying to cereal and cool, and carries out dedusting to cereal simultaneously, obtains the lower and cereal that cleanliness factor is high of temperature, therefore can extend the cereal shelf-life and improve the cleanliness factor of cereal.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model preferred embodiment;
Fig. 2 is the structural representation (locally) of bed board in Fig. 1.
Detailed description of the invention
As shown in Figure 1, this crop dryer comprises fluid bed, hot air supply device, cold wind feedway and dust exhaust apparatus.Fluid bed comprises support 1, bed body 2 and bed board 3, bed body 2 is arranged on support 1, bed board 3 is located in the cavity of a body 2, the cavity of bed body 1 is separated into upper chamber 4 and lower cavity 5 by bed board 2, bed board 3 is provided with multiple air vent 6, bed body 2 is provided with charging aperture 7, discharging opening 8 and exhaust outlet 9, and charging aperture 7, discharging opening 8 are all communicated with upper chamber 4 with exhaust outlet 9, and charging aperture 7, discharging opening 8 are divided into a body 2 two ends; Lower cavity 5 is separated into hot air chamber 51 and cold air chamber 52, and wherein hot air chamber 51 is near charging aperture 7, and cold air chamber 52 is near discharging opening 8, and hot air chamber 51 is all communicated with upper chamber 4 through air vent 6 with cold air chamber 52; Be provided with hot wind inlet 10 and cold wind import 11 bottom bed body 2, hot air supply device is communicated with hot air chamber 51 through hot wind inlet 10, and cold wind feedway is communicated with cold air chamber 52 through cold wind import 11; Upper chamber 4 is communicated with dust exhaust apparatus through exhaust outlet 9.
In the present embodiment, bed board 3 is downward-sloping gradually from charging aperture 7 to discharging opening 8.With reference to figure 2, in the present embodiment, the air vent 6 on bed board 3 is divided into two kinds, and the air outlet of the first air vent 6-1 upper end is towards discharging opening 8, and the second air vent 6-2 is mutually vertical with bed board 3 upper surface; An air vent 6-1 and two air vent 6-2 forms an air vent group, and two air vent 6-2 are all in the side of air vent 6-1 by discharging opening 8; The mode of air vent group by multiple lines and multiple rows on bed board 3 is arranged.Like this, the ascending air of each air vent group blowout slightly tilts to discharging opening 8, and cereal is flowed to discharging opening 8.
In the present embodiment, hot air supply device comprises the first air cleaner 12, first air blast 13 and the air heating apparatus 14 be connected successively, the gas outlet of air heating apparatus 14 is communicated with the hot wind inlet 10 be located at bottom a body 2 that (gas outlet 125 of the first air cleaner 12 is communicated with the air inlet of the first air blast 13, the gas outlet of the first air blast 13 is communicated with the air inlet of air heating apparatus 14, and the gas outlet of air heating apparatus 14 is communicated with the hot wind inlet 10 be located at bottom a body 2).First air cleaner 12 comprises the first filter box 121, first primary efficient filter screen 122 and the first medium air filtration net 123, first filter box 121 is provided with air intake 124 and gas outlet 125, first primary efficient filter screen 122 is arranged on air intake 124, first medium air filtration net 123 is located in the first filter box 121, and the first medium air filtration net 123 is between the first primary efficient filter screen 122 and gas outlet 125.Air heating apparatus 14 comprises housing and heating member, and the air inlet of air heating apparatus 14, gas outlet are located on housing, and heating member is located in housing, and heating member heats the air flowing through shell cavity, makes it reach temperature required.Heating member can be the conventional heating devices such as steam heater (as place's steam pipe in the housing), electric heater unit.
In the present embodiment, cold wind feedway comprises the air inlet that the second air cleaner 15 and the second air blast 16, second air cleaner 15 are communicated with the second air blast 16, and the gas outlet of the second air blast 16 is communicated with the cold wind import 11 be located at bottom a body 2.Second air cleaner 15 comprises the second filter box 151, second primary efficient filter screen 152 and the second medium air filtration net 153, second filter box 151 is provided with air intake 154 and is communicated with the air inlet of 155(gas outlet, gas outlet 155 with the second air blast 16), second primary efficient filter screen 152 is arranged on air intake 154, second medium air filtration net 153 is located in the second filter box 151, and the second medium air filtration net 153 is between the second primary efficient filter screen 152 and gas outlet 155.
In the present embodiment, dust exhaust apparatus comprises two cyclone dust collectors, 17, induced-draught fan 18 and a pulse dust collector 19, the exhaust outlet 9 of fluid bed connects the air inlet pipe 171 of each cyclone dust collectors 17 through appendix 20, the blast pipe 172 of each cyclone dust collectors 17 connects the air inlet 181 of induced-draught fan 18 through appendix 21, the gas outlet 182 of induced-draught fan 18 connects the air inlet 191 of pulse dust collector 19 through appendix 22.Cyclone dust collectors 17, induced-draught fan 18 and pulse dust collector 19 all can commercially buy.Cyclone dust collectors 17 comprise air inlet pipe 171, blast pipe 172, cylinder 173 and conic tube 174, conic tube 174 upper end is connected with cylinder 173 lower end one, conic tube 174 lower end is provided with dust-exhausting port 175, dust hopper 176 is provided with below dust-exhausting port 175, the grit separated from waste gas, impurity etc. fall into dust hopper 176 under gravity, and the gas through purification exports from blast pipe 172.Gas through cyclone dust collectors 17 preliminary purification enters pulse dust collector 19, and after pulse dust collector 19 further purification, clean gas is discharged from the gas outlet 192 of pulse dust collector 19.
For ease of observing fluid bed inner case, the sidewall of bed body 2 is provided with watch window 23, and watch window 23 is equipped with transparent panel.
The operation principle of brief description once this crop dryer:
In fluid bed, upper chamber 4 part corresponding with hot air chamber 51 forms Hot-blast Heating section, and upper chamber 4 part corresponding with cold air chamber 52 forms cooling section; Cereal to be dried adds after in the bed body 2 of fluid bed, successively through Hot-blast Heating section, cooling section from charging aperture 7.When first air blast 13 runs, the first air cleaner 12 sucks air and filters air, and filtered air is formed hot blast through air heating apparatus 14 by heating, and enters in hot air chamber 51 through hot wind inlet 10.When second air blast 16 runs, the second air cleaner 15 sucks air and filters air, and filtered air enters in cold air chamber 52 through cold wind import 11.
In Hot-blast Heating section, hot blast passes into hot air chamber 51 from the hot wind inlet 10 bottom bed body 2, upper chamber 4 is blown into from the air vent 6 bed board 3, cereal is blown afloat in fluidized state, hot blast fully contacts with the cereal be suspended in a body 2 and heats it, take away the moisture in cereal, realize the oven dry of cereal; Cereal is through cooling section subsequently, and cold wind passes into cold air chamber 52 from the cold wind import 11 bottom bed body 2, is blown into upper chamber 4, contacts and cool it with cereal from the air vent 6 bed board 3; Drying, cooled cereal are discharged from discharging opening 8.Meanwhile, dust exhaust apparatus extracts the waste gas (in waste gas moisture content and dust etc.) in upper chamber 4 by exhaust outlet 9.Like this, crop dryer fully carries out drying to cereal and cools, and carries out dedusting to cereal simultaneously.
Claims (7)
1. a crop dryer, comprise fluid bed and hot air supply device, fluid bed comprises support, bed body and bed board, bed body is rack-mount, bed board is located in the cavity of a body, the cavity of bed body is separated into upper chamber and lower cavity by bed board, bed board is provided with multiple air vent, bed body is provided with charging aperture, discharging opening and exhaust outlet, charging aperture, discharging opening are all communicated with upper chamber with exhaust outlet, charging aperture, discharging opening are divided into a body two ends, it is characterized in that: described crop dryer also comprises cold wind feedway and dust exhaust apparatus; Described lower cavity is separated into hot air chamber and cold air chamber, and wherein hot air chamber is near charging aperture, and cold air chamber is near discharging opening, and hot air chamber and cold air chamber are all communicated with upper chamber through described air vent; Be provided with hot wind inlet and cold wind import bottom bed body, hot air supply device is communicated with hot air chamber through hot wind inlet, and cold wind feedway is communicated with cold air chamber through cold wind import; Upper chamber is communicated with dust exhaust apparatus through exhaust outlet.
2. crop dryer according to claim 1, is characterized in that: described bed board is downward-sloping gradually to discharging opening from charging aperture.
3. crop dryer according to claim 1 and 2, it is characterized in that: described hot air supply device comprises the first air cleaner, the first air blast and the air heating apparatus that are connected successively, and the gas outlet of air heating apparatus is communicated with the hot wind inlet be located at bottom a body.
4. crop dryer according to claim 3, it is characterized in that: described first air cleaner comprises the first filter box, the first primary efficient filter screen and the first medium air filtration net, first filter box is provided with air intake and gas outlet, first primary efficient filter screen is arranged on the air intake of the first filter box, first medium air filtration net is located in the first filter box, and the first medium air filtration net is between the gas outlet of the first primary efficient filter screen and the first filter box.
5. crop dryer according to claim 1 and 2, it is characterized in that: described cold wind feedway comprises the second air cleaner and the second air blast, second air cleaner is communicated with the air inlet of the second air blast, gas outlet and the cold wind inlet communication be located at bottom a body of the second air blast.
6. crop dryer according to claim 5, it is characterized in that: described second air cleaner comprises the second filter box, the second primary efficient filter screen and the second medium air filtration net, second filter box is provided with air intake and gas outlet, second primary efficient filter screen is arranged on the air intake of the second filter box, second medium air filtration net is located in the second filter box, and the second medium air filtration net is between the gas outlet of the second primary efficient filter screen and the second filter box.
7. crop dryer according to claim 1 and 2, it is characterized in that: described dust exhaust apparatus comprises at least one cyclone dust collectors, an induced-draught fan and a pulse dust collector, the exhaust outlet of fluid bed connects the air inlet pipe of each cyclone dust collectors through appendix, the blast pipe of each cyclone dust collectors connects the air inlet of induced-draught fan through appendix, the gas outlet of induced-draught fan connects the air inlet of pulse dust collector through appendix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520577254.XU CN204902526U (en) | 2015-08-04 | 2015-08-04 | Grain drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520577254.XU CN204902526U (en) | 2015-08-04 | 2015-08-04 | Grain drier |
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| CN204902526U true CN204902526U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520577254.XU Active CN204902526U (en) | 2015-08-04 | 2015-08-04 | Grain drier |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509418A (en) * | 2016-01-26 | 2016-04-20 | 阜阳市格林机械有限责任公司 | Movable grain dryer |
| CN107494723A (en) * | 2017-07-31 | 2017-12-22 | 贵州兴仁聚丰薏苡股份有限公司 | One kind is without sulphur without washing myotonin drying unit |
| CN110500872A (en) * | 2019-10-02 | 2019-11-26 | 祝磊 | The hot-flue dryer of grain |
| CN111678294A (en) * | 2020-05-30 | 2020-09-18 | 路德环境科技股份有限公司 | Fluidized bed ventilation orifice plate and fluidized bed dryer formed by same |
| CN113203251A (en) * | 2021-04-30 | 2021-08-03 | 陕西科技大学 | Cereal fluidized bed drying device |
-
2015
- 2015-08-04 CN CN201520577254.XU patent/CN204902526U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105509418A (en) * | 2016-01-26 | 2016-04-20 | 阜阳市格林机械有限责任公司 | Movable grain dryer |
| CN107494723A (en) * | 2017-07-31 | 2017-12-22 | 贵州兴仁聚丰薏苡股份有限公司 | One kind is without sulphur without washing myotonin drying unit |
| CN110500872A (en) * | 2019-10-02 | 2019-11-26 | 祝磊 | The hot-flue dryer of grain |
| CN111678294A (en) * | 2020-05-30 | 2020-09-18 | 路德环境科技股份有限公司 | Fluidized bed ventilation orifice plate and fluidized bed dryer formed by same |
| CN113203251A (en) * | 2021-04-30 | 2021-08-03 | 陕西科技大学 | Cereal fluidized bed drying device |
| CN113203251B (en) * | 2021-04-30 | 2022-09-09 | 陕西科技大学 | Cereal fluidized bed drying device |
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