Grain drying machine with synchronous dust-removing function

Abstract

The invention relates to a grain drying machine with a synchronous dust-removing function, belonging to the technical field of machinery equipment for grain processing. The grain drying machine with the synchronous dust-removing function comprises a conveying belt, at least one hot air sprayer, a drying bin, air heaters, hot air pipelines, a coiled pipe and a boiler, wherein the air heaters are communicated with the hot air sprayers through the hot air pipelines; a material collecting hopper is connected with an auger; the air heaters are communicated with the drying bin through the hot air pipelines; the air outlet of each air heater is provided with an activated carbon purification section; a corona discharger is further arranged behind each activated carbon purification section; the coiled pipe is arranged in the drying bin; the boiler is communicated with the coiled pipe through a hot water pipeline; the discharge port of the auger is communicated with a grain inlet. According to the grain drying machine with the synchronous dust-removing function, grains in the drying bin are dried twice through the air heaters and the coiled pipe, and the advantages of the air heaters and the coiled pipe are combined, so that the drying effect is better, and the drying efficiency is higher.

Description

technical field [0001] The invention relates to a synchronous dedusting grain dryer, which belongs to the technical field of grain processing machinery and equipment. Background technique [0002] Food is a necessity for human life, and all countries attach great importance to food production and reserves. However, before the grain is collected and put into the warehouse, due to the weather or other reasons, most of the grain is not dried immediately and becomes moldy and deteriorated, which not only affects the quality of the grain, but also poses a potential hazard to people's health. The moisture content of freshly harvested grains is generally around 17%-32%, and the safe moisture content of stored grains is around 14%. Therefore, if it is necessary to store grains safely, the precipitation must reach a safe moisture level before storage. At present, the following methods are mainly used for drying grain, one is to use the method of sun exposure; Although the cost of t...

AI Technical Summary

Problems solved by technology

Taking northern China as an example, the drying season is generally in the cold winter, and the outdoor temperature is around -20°C. The air at -20°C is extracted for heating, and after the heat exchange, the gas at around 40°C above zero is discharged into the atmosphere, which is a serious waste.

The traditional tower-type drying hot air needs to penetrate 60-80cm of grain piles. When the hot air passes through the grain piles, it will generate a lot of resistance and cause a large energy loss.

The traditional tower drying operation consumes a lot of energy. The daily drying 500T drying tower has a total power of 255kw, all of which are operating power, mainly used on fans and elevators, and do not generate heat for drying

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