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Grain drying equipment with rapid cooling function

A grain drying and rapid cooling technology, which is applied to grain drying, drying solid materials, lighting and heating equipment, etc., can solve the problems such as moisture return of grain particles, save time and cost, improve the uniformity of heating, and avoid scorching.

Inactive Publication Date: 2018-08-24
郑州龙威电气安装有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides grain drying equipment with rapid cooling to solve the problem of moisture return caused by grain grain cooling

Method used

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  • Grain drying equipment with rapid cooling function

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Experimental program
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Effect test

Embodiment 1

[0027] Grain drying equipment with rapid cooling, including a base 6, a bracket 9 installed on the base, a drying cylinder 1 that rotates with the bracket 9 through a shaft 11, and a ventilation pipe 10 with a hollow structure installed in the inner cavity of the drying cylinder The top of the drying cylinder 2 is provided with a feed hole 1, the bottom is provided with a discharge port 8, a heating layer is integrated in the cylinder wall, and a cooling water jacket is provided outside the cylinder wall; the shaft rod 7 has a shaft hole; Both ends of the ventilation pipe 2 protrude from the shaft hole and pass through the bracket; the ventilation pipe 3 is provided with a ventilation hole 3 on the pipe wall inside the drying cylinder 3 .

Embodiment 2

[0029] Based on Embodiment 1, in order to improve the moisture absorption efficiency of the air flowing through the ventilation pipe, the following improvements are made: one end of the ventilation pipe 10 is provided with a drying device; The tuyere 5; the inside of the drying box 4 is filled with a desiccant.

[0030] Through the function of the drying device, the humidity of the air flowing through the inside of the ventilation pipe is reduced, and the humidity difference between the inside of the ventilation pipe and the inside of the drying cylinder is enlarged. Driven by the physical effect of humidity difference, the moisture in the drying cylinder is more likely to escape into the ventilation pipe through the ventilation holes and be taken out, which further reduces the humidity in the drying cylinder and reduces the degree of moisture regain of grain particles in the subsequent cooling step.

Embodiment 3

[0032] Based on Embodiment 1, in order to weaken the influence of the resistance of the drying box on the speed of air flowing into the ventilation pipe, the following improvements are made: the diameter of the air inlet 5 is larger than the diameter of the ventilation pipe 10 .

[0033] Through the design of the size of the air inlet, the drying box is equipped with the function of a booster device. While offsetting its resistance, it can maintain or increase the flow rate of the air after passing through the drying box, thus ensuring the negative pressure effect generated when flowing through the ventilation pipe.

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Abstract

The invention relates to grain drying equipment with a rapid cooling function. The grain drying equipment comprises a base, supports installed on the base, a drying barrel in rotary fit with the supports through a shaft rod and a ventilation pipe installed in an inner cavity of the drying barrel and provided with a hollow structure. The top of the drying barrel is provided with a feeding hole, thebottom of the drying barrel is provided with a discharge outlet, a heating layer is integrated in the barrel wall, and a cooling water jacket is arranged outside the barrel wall. The shaft rod is provided with shaft holes. The two ends of the ventilation pipe stretch out of the shaft holes and penetrate out of the supports. The pipe wall, located in the drying barrel, of the ventilation pipe is provided with ventilation holes. Moisture in air in the drying barrel can be sucked away, external wet and cold air is prevented from entering dried air, and grains are prevented from absorbing water and regaining moisture; the grain cooling speed is increased, contact time of grains and air is effectively shortened, time conditions for production of the moisture regaining phenomenon are greatly weakened, and finally, the moisture regaining phenomenon is avoided during cooling, and the final drying quality of grains is ensured.

Description

technical field [0001] The invention relates to the field of grain drying equipment, in particular to grain drying equipment with rapid cooling. Background technique [0002] Food is the most important thing for the people, and food is the foundation of the people's livelihood, and it has always been one of the country's important strategic war preparation materials. Since traditionally dried grains still contain a lot of water, they will usually become moldy or germinate after being stored for no more than one year, and even shorter in years with frequent rainy weather. If there are continuous climate anomalies, grain production will decrease, and grain storage will also shrink significantly. This is obviously not in line with the positioning of grain as a strategic combat readiness material. Therefore, at present, drying is often used instead of drying to further reduce the water content of grain, thereby further prolonging the storage time of grain, so as to meet the dem...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B11/04F26B25/22F26B23/00A23B9/08A23B9/10
CPCF26B11/0445A23B9/08A23B9/10F26B23/00F26B25/22F26B2200/06
Inventor 王波
Owner 郑州龙威电气安装有限公司
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