Air inflow device for green energy-saving type grain drier

Abstract

The invention discloses an air inflow device for a green energy-saving type grain drier. The air inflow device for the green energy-saving type grain drier comprises a shell and a drier body; an air inflow pipe is vertically arranged in the shell; the bottom of the air inflow pipe is connected with a horizontally arranged air mixing pipe; a support plate is arranged on the middle portion of the shell, and provided with a drying device and a draught fan; the tail end of the air mixing pipe is connected with an air inlet of the drying device; an air inlet of the draught fan is connected with an air outlet of the drying device; a heating device is further arranged at the bottom of the shell; an air outlet of the draught fan is connected with an air inlet of the heating device; an air outlet of the heating device communicates with the dryer body; the top of the side wall, close to one side of the shell, of the dryer body is horizontally provided with a first air outflow pipe on which a filtering device is arranged; a second air outflow pipe is arranged in the air inflow pipe; and the top of the second air outflow pipe communicates with the first air outflow pipe. The air inflow device for the green energy-saving type grain drier can be used for performing drying, heating and filtering treatment on airflow effectively, the waste heat of vent gas is fully utilized, and energy consumption is lowered.

Description

technical field [0001] The invention relates to an air intake device for a green and energy-saving grain dryer, which belongs to the field of dryer equipment. Background technique [0002] Grain dryer is a device for drying grain, which reduces the moisture content of grain, facilitates the storage and transportation of grain, and at the same time inhibits the growth of microorganisms. The existing grain dryer uses a hot air stove as a heat source. To provide heat for the grain dryer, the energy consumption is large, and the temperature is not easy to control, the heat conversion rate is low, and the burning of coal is easy to generate a large amount of waste gas, which is easy to cause pollution to the surrounding environment, and the drying temperature is not easy to control, with large fluctuations; and The gas discharged from the dryer contains a large amount of residual temperature that has not been utilized. If the residual temperature of the discharged gas can be full...

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Problems solved by technology

[0002] Grain dryer is a device for drying grain, which reduces the moisture content of grain, facilitates the storage and transportation of grain, and at the same time inhibits the growth of microorganisms. The existing grain dryer uses a hot air stove as a heat source. To provide heat for the grain dryer, the energy consumption is large, and the temperature is not easy to control, the heat conversion rate is low, and the burning of coal is easy to generate a large amount of waste gas, which is easy to cause pollution to the surrounding environment, and the drying temperature is not easy to control, with large fluctuations; and The gas discharged from the dryer contains a large amount of residual temperature that has not been utilized. If the residual temperature of the discharged gas can be fully utilized, the energy consumption will be further reduced. Therefore, it is necessary to design a hot air inlet device for the grain dryer

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