Efficient energy-saving straw powder drying device

Abstract

The invention discloses an efficient energy-saving type straw powder drying device, and belongs to the field of drying devices. By improving an existing drying device, the drying effect on straw powder which is damped after moisture absorption is effectively improved. Firstly, bonded blocky straw and powdery straw are separated through a first screen, and powder and bonded blocks enter a first drying pipe and second drying pipes correspondingly, so that targeted drying can be conducted; splitter plates and retarding parts are arranged in the first drying pipe and the second drying pipes correspondingly, the contact area of the powder and hot air is increased through the splitter plates, the retarding parts decrease the falling speed of the bonded blocks so that the drying time can be prolonged, the drying effect is effectively improved, the bonded blocks are separated from the powder while drying is conducted, and the screening trouble is omitted; and in addition, the first drying pipe and the second drying pipes communicate, hot air is recycled, energy consumption is effectively reduced, and meanwhile dust is effectively reduced.

Description

technical field [0001] The invention relates to the field of drying devices, in particular to a high-efficiency and energy-saving straw powder drying device. Background technique [0002] Every year during summer harvest and autumn and winter, a large amount of wheat, corn and other stalks are always burned in the fields, producing a lot of thick smoke, which not only becomes the bottleneck of rural environmental protection, but even becomes the chief culprit that affects the urban environment. According to relevant statistics, my country, as a large agricultural country, can produce more than 700 million tons of straw every year, which becomes "waste" that is "not very useful" but must be disposed of. In this case, it is completely handled by the farmers, and a large number of burnings have occurred. [0003] The comprehensive utilization of straw has broad prospects. In practice, many places in our country have actively explored and creatively adopted many beneficial expe...

AI Technical Summary

Problems solved by technology

[0004] When straw is used in papermaking, furniture, etc., it will be crushed first to be powdered for subsequent processing. However, straw powder will inevitably absorb moisture and form a cohesive block when stacked, so it will be dried before use. Currently, dry powder The best method is to use a conveyor belt to transport it to the drying box. Because the powder on the conveyor belt is difficult to spread out, it will cause incomplete drying, and it is not easy to screen out the cohesive lumps mixed in the powder.

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