Food grain drying equipment capable of preventing cereals from being charred

A technology for drying equipment and grains, applied in the direction of storing seeds by drying, etc., can solve the problems of broken grains, not paying attention to grain quality, etc., and achieve the effects of improving quality, improving drying effect, and slowing down the falling speed.

Inactive Publication Date: 2016-10-26
望江县乡缘农业有限责任公司
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AI-Extracted Technical Summary

Problems solved by technology

[0003] However, most of the drying equipment currently used in our country is the traditional extensive drying equipment, which is purely for the purpose of precipitation, and con...
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Method used

The present invention divides drying case 2 into preheating bin 21 and drying bin 22 by shunt assembly 1, and grain enters in drying case 2 and can first carry out preheating temperature through preheating bin 21, avoids grain due to direct high temperature Drying causes the evaporation rate of water on the surface of the grain to be far greater than the diffusion rate of water inside the grain, resulting in scorching, cracks, and breakage; through the ...
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Abstract

The invention discloses food grain drying equipment capable of preventing cereals from being charred. The food grain drying equipment comprises a branching assembly, a drying box, a lifting device and a heating device, wherein an inner cavity of the drying box is divided into a preheating bin and a drying bin through the branching assembly; the branching assembly comprises an upper branching layer and a lower branching layer which are arranged up and down; the upper branching layer comprises a plurality of upper material distributing rolls, and an upper flow channel is formed between any two adjacent material distributing rolls; the lower branching layer comprises a plurality of lower material distributing rolls, a lower flow channel is formed between any two adjacent lower material distributing rolls, and the lower flow channels and the upper flow channels are in malposed arrangement in a horizontal direction; a feed opening is formed in the top of the preheating bin; a discharge opening is formed in a side, near to the bottom of the drying bin, in the side wall of the drying bin; the lifting device is arranged on one side of the drying box and used for lifting and transporting the cereals into the preheating bin; and the heating device and the drying bin are connected for providing heat energy for the drying bin. The food grain drying equipment disclosed by the invention is high in drying speed and good in uniformity; and besides, the generation of charred granules, granules with cracks and broken granules is reduced, and the quality of dried cereals is improved.

Application Domain

Seed preservation by drying

Technology Topic

Mechanical engineeringHeat energy +2

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  • Food grain drying equipment capable of preventing cereals from being charred

Examples

  • Experimental program(1)

Example Embodiment

[0026] Hereinafter, the technical solution of the present invention will be described in detail through specific embodiments.
[0027] Such as figure 1 As shown, figure 1 It is a schematic structural diagram of a grain drying equipment for preventing grain scorching proposed by the present invention.
[0028] Reference figure 1 , The embodiment of the present invention proposes a grain scorching-proof grain drying equipment, including; a splitter assembly 1, a drying box 2, a lifting device 3 and a heating device 4, wherein:
[0029] The shunt assembly 1 is arranged in the drying box 2. The shunt assembly 1 divides the inner cavity of the drying box 2 into a preheating bin 21 and a drying bin 22 arranged up and down. The shunt assembly 1 includes an upper shunt layer 11 and Lower diversion layer 12;
[0030] The upper distribution layer 11 includes a plurality of upper distribution rollers arranged side by side in the horizontal direction. Any cross-sectional shape of the upper distribution roller is an isosceles triangle, and one angle of the triangle faces the preheating chamber 21, and any two adjacent upper distribution rollers A gap is reserved between the rollers to form an upper flow channel for grains to circulate; the lower distribution layer 12 includes a plurality of lower distribution rollers arranged side by side in the horizontal direction. The arbitrary cross-sectional shape of the lower distribution rollers is an isosceles triangle with one corner of the triangle Towards the drying bin 22, a gap is reserved between any two adjacent lower distributing rollers to form a lower flow channel for grains to circulate. The lower flow channel and the upper flow channel are arranged in a horizontal direction. When working, the heat in the drying bin 22 The upper and lower runners enter the preheating bin 21 to preheat the grains in the preheating bin 21, and the grains in the preheating bin 21 flow into the drying bin 22 through the upper and lower runners for drying.
[0031] The top of the preheating bin 21 is provided with a feed port 211, and the preheating bin 21 is provided with an equalizer 5 under the feed port 211, and the equalizer 5 is connected to the lifting device 3 through the connecting rod assembly 9; The side wall of the bin 22 near the bottom is provided with a discharge port 221, and one side of the discharge port 221 is provided with a collecting trough 6; the side wall of the drying bin 22 is also provided with an air inlet channel 222, which is connected to the air inlet channel 222. Blower 8;
[0032] The lifting device 3 is arranged on one side of the drying box 2 for lifting and conveying grains into the preheating bin 21, and the discharge port 221 of the lifting device 3 is connected to the equalizer 5; the heating device 4 is connected to the drying bin 22 The connection is used to provide heat energy to the drying bin 22.
[0033] In this embodiment, the collecting tank 6 is fixed on the drying box 2. The drying bin 22 is provided with a vibrating bed 7, the vibrating bed 7 is arranged obliquely in the drying bin 22, and the lowest end of the vibrating bed 7 is located below the discharge port 221.
[0034] In the present invention, the drying box 2 is divided into a preheating warehouse 21 and a drying warehouse 22 through the splitter assembly 1. The grain entering the drying box 2 will first pass through the preheating warehouse 21 for preheating and heating, avoiding direct high-temperature drying of the grains. The evaporation rate of water in the surface layer of the grain is much higher than the diffusion rate of the water inside the grain, resulting in scorching, cracks and breakage; the dislocation arrangement of the upper and lower runners can slow down the falling speed of the grain and extend the grain The material stays in the preheating bin 21 for the time; at the same time, the grain flow can be uniformly and dispersed into the drying bin 22, reducing the circulation thickness of the grains, increasing the contact area between the grains and the hot air flow, thereby improving the drying effect.
[0035] It can be seen from the above that the grain scorching prevention grain drying equipment provided by the present invention has a fast drying speed and good uniformity; it also reduces the occurrence of scorched grains, cracks and broken grains, and improves grain drying after drying. quality.
[0036] The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Anyone familiar with the technical field within the technical scope disclosed by the present invention, according to the technical solution of the present invention Equivalent replacements or changes to its inventive concept should all fall within the protection scope of the present invention.

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