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Agricultural drying machine and automatic control method thereof

A drying and mechanical technology, used in dryers, grain drying, drying of solid materials, etc., can solve the problems of poor drying effect, high moisture content in the air, and a large amount of air, so as to improve product quality, increase air flow, reduce The effect of burst rate

Active Publication Date: 2019-02-26
ANHUI SUNMIRO AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the above process, there are several key factors: 1. The moisture content of the air generated during the drying process is relatively high. When this part of the air is directly applied to the subsequent slow recovery process, the drying effect will not be good.
2. During the drying process, due to the fast drying speed of the grain surface, a large number of grain skin fragments will occur, which affects the quality of the grain
3. Larger air flow is required in the slow recovery section, and the external air is directly used to supply air to the slow recovery process after reheating, which increases the operating cost and energy consumption

Method used

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  • Agricultural drying machine and automatic control method thereof
  • Agricultural drying machine and automatic control method thereof

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Effect test

Embodiment 1

[0056] The structure of the drying machine provided by the invention is as figure 1 shown, including:

[0057] The main body 1 of the drying chamber is composed of the drying chamber 5 on the upper layer and the slowing chamber 6 on the lower floor, and the drying chamber 5 and the slowing chamber 6 are connected;

[0058] Feeding device 2 is used for adding grain therein, which can be equipment such as adding funnels;

[0059] The lifting device 3 connects the feeding device 2 with the feeding device 4, and is used to lift the grain from the feeding device 2 to the feeding device 4 located on the upper part of the drying bin main body 1, and the lifting device 3 can adopt devices such as conveyor belts;

[0060] The feeding device 4 is used to put the grain into the drying bin 5, and equipment such as a vibrating screen can be used;

[0061] Blocking grille 8, distributed in the drying bin 5 and slow Su bin 6, is used to block the grain and prevent it from falling too fast...

Embodiment 2

[0079] Another drying machine provided by the invention, such as image 3 shown, with figure 1 The main difference of the shown device is: the outlet of the powder separator 11 is provided with an exhaust pipeline 34, and the evaporator 14 and the suction pump 36 are arranged in the exhaust pipeline 34; A suction pump 18 is arranged in the air pipeline 37, and is used to send the outside air into the slow recovery chamber 6; a condenser 16 is also arranged in the air supply pipeline 37; one end of the evaporator 14 passes through the compressor 15 and the condenser 16 successively , The expansion valve 17 is connected back to the other end of the evaporator 14, forming a closed cycle.

[0080] In the exhaust pipe 34 is the air that has been removed from grains and skin fragments. After the heat energy is utilized by the evaporator 14, the heat energy is directly transferred to the directly collected air in the atmosphere, and this part of heat energy is supplied to the colle...

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Abstract

The invention relates to an agricultural drying machine and an automatic control method thereof, in particular to an agricultural machine for grain drying and an automatic control method thereof, andbelongs to the technical field of agricultural machines. The drying machine is mainly used for the drying process of grains; the drying machine discharges water generated in the process of drying grains in a drying stage, recycles heat of air simultaneously and then returns the air to a tempering bin, the requirement for low-temperature high-flow drying air in the tempering process is met, and thecrackle ratio of the grains is reduced. Meanwhile, the grains carried out in the drying process can be well separated out and returned to the tempering bin, and the utilization ratio of the grains isincreased.

Description

technical field [0001] The invention relates to an agricultural drying machine and an automatic control method thereof, in particular to an agricultural machine used for grain drying and an automatic control method thereof, and belongs to the technical field of agricultural machinery. Background technique [0002] In the process of drying grains (rice, wheat, millet, corn, etc.), the main drying process is divided into two stages, one is the drying stage, the process of this stage is mainly the transfer and vaporization of the moisture on the surface of the grain, The moisture drying process is fast, and air with high water content will be produced; the latter section is the slow su section, which is mainly the process of transferring the moisture inside the grain to the outside. Due to the slow transfer process, if higher temperature and smaller flow rate are used When there is too much air, the volume will cause the surface of the grain to crack (burst rate). Therefore, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F26B17/12F26B21/00F26B25/00
CPCA23B9/08F26B17/12F26B17/16F26B21/001F26B21/003F26B21/004F26B21/086F26B23/004F26B25/002F26B25/007F26B2200/06Y02A40/90Y02P70/10
Inventor 毛强平
Owner ANHUI SUNMIRO AGRI TECH
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