Temperature raising period-free continuous feeding full-mixing biological drying device and temperature raising period-free continuous feeding full-mixing biological drying method

Abstract

The invention discloses a temperature raising period-free continuous feeding full-mixing biological drying device and a temperature raising period-free continuous feeding full-mixing biological dryingmethod. The device comprises a box body, a stirring screw and an aeration nozzle; the box body adopts a U-shaped reaction bin as a biological drying reaction bin, and the stirring screw and the aeration nozzle are arranged in the box body to carry out turn-throw stirring and ventilating aeration; the stirring screw adopts a spiral blade to avoid plastic winding and stirring dead angles; and the aeration nozzle is designed to be anti-clogging. The method comprises a starting scheme and a running scheme. Fresh perishable garbage and decomposed materials are completely mixed, and microorganismsand water are reasonably distributed, so that microbial biomass and microbial activity are extremely high, thereby a long temperature raising period (microbial growth period) is skipped in the fermentation process, the retention time is shortened, the occupied area is reduced, and the investment cost and the running and maintaining cost are reduced.

Description

technical field [0001] The invention relates to a fully-mixed biological drying equipment and method for continuous feeding without a heating period, which is a device for realizing moisture reduction and biological stabilization of perishable garbage in urban and rural areas, and belongs to the field of perishable garbage treatment Background technique [0002] The six provinces of Guangdong, Fujian, Zhejiang, Shanghai, Jiangsu and Shandong on the eastern coast of China are economically developed regions in China. The huge amount of garbage brought by the dense population has made the crisis of "garbage siege" in these areas of every inch of land increasingly prominent. In 2017, the environmental protection opinions fed back by the Central Environmental Protection Supervision Group clearly pointed out the problem of overloading domestic waste in various provinces. Among them, the processing gap in Shandong Province was even as high as 15,000 tons per day. Under such circum...

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Problems solved by technology

[0006] However, the traditional biological drying method is mainly based on batch processing. During the processing, it is necessary to wait for the material to heat up and the microorganisms to grow, which makes it difficult to shorten the re

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