Subpressure grain storing method and device

Abstract

The invention discloses a vacuum grain storage method and device thereof, which are suitable for control of pest in the grain depot and drying stored grain with high water content. The method comprises the steps of producing enclosed storage space, mounting and coupling air vacuum device with the enclosed storage space to form a vacuum environment for monitoring. Compared with prior art, the invention is characterized in that the invention is a physical and environment-friendly method without the need to use any chemical agent or other matter, and any bad influence on the quality of grain and environment; the invention can be widely applied for grain, oil, tobacco, and cotton, etc in an enclosed container, storehouse, and stack; the method is provided with good insecticidal effect, especially for larva and imago; by using the grain storage method, grain can be dried by vacuum dehydration without being moved, which can save cost; the vacuum dehydration can be carried out without dead corner containing high water content; the dehydration speed is more quick than ventilation dehydration; and grain quality can not be changed by using the method in the invention.

Description

technical field [0001] The invention relates to a method and equipment for storing grain, oil, tobacco, cotton and hemp, etc., and is especially suitable for the prevention and control of stored grain pests in large and small grain depots and the precipitation drying of high-moisture grains after storage. Background technique [0002] At present, China Grain Reserves Management Corporation is promoting and applying four new grain storage technologies nationwide: grain situation monitoring and control system; phosphine fumigation technology; mechanical ventilation technology; and grain cooling technology. It can be seen that chemical agents are still indispensable for killing stored grain pests, and there are chemical agent residues in grains to varying degrees, which affect grain quality. For the treatment of high-moisture grains, the methods of sun drying, drying, and mechanical ventilation are mainly used at present, which require a lot of manpower to pull down the grains,...

AI Technical Summary

Problems solved by technology

It can be seen that chemical agents are still indispensable for killing stored grain pests, and there are chemical agent residues in grains to varying degrees, which affect grain quality.

For the processing of high-moisture grains, the methods of sun drying, drying, and mechanical ventilation are mainly used at present, which require a lot of manpower to overthrow the grains, and the labor intensity is high and the drying speed is slow.

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