Process for preparing biomass fuel by using rural town domestic waste and agricultural and forestry waste

Abstract

The invention discloses a process for preparing biomass fuel by using rural town domestic waste and agricultural and forestry waste. The process comprises the steps of step one, waste leachate treatment and foul smell deodorization; step two, waste screening, sorting and coarse crushing; step three, non-organic matter magnetic separation, winnowing and fine crushing; step four, agricultural and forestry waste crushing and screening; step five, stirring of waste combustible materials, agricultural and forestry waste, sludge and water, compression molding, airing and biomass fuel obtaining; andstep six, waste organic matter adding of livestock and poultry manure, and organic fertilizer obtaining. According to the process, the biomass fuel can be directly used in a boiler, and the problem that the livestock and poultry manure pollutes the environment in a livestock farm is solved through the organic fertilizer; for the construction of waste treatment plants, the investment is small, thecost is low, and implementation is easy; the agricultural and forestry waste is collected with paying performed, so that the income of farmers is increased, and the pollution is reduced; the profit rate is high, and operating can last without government subsidy; the waste gas, the waste liquid and the waste residue are subjected to the environmental protection treatment so that new pollution can be avoided.

Description

technical field [0001] The invention relates to a process for preparing biomass fuel, in particular to a process for preparing biomass fuel from rural urban household garbage and agricultural and forestry waste. Background technique [0002] Rural and urban domestic waste generally refers to solid waste generated in rural daily life or activities that provide services for rural daily life, as well as solid waste that is stipulated as domestic waste by laws and administrative regulations. Agricultural and forestry waste mainly includes crop straw, weeds, branches, leaves, roots and so on. As a country with a large population in developing countries, the number of villages and towns and the number of rural residents in China cannot be underestimated. Therefore, proper disposal of rural domestic waste and agricultural and forestry waste is a necessary prerequisite for accelerating the development of towns and improving the quality of life of rural residents. At present, the tr...

AI Technical Summary

Problems solved by technology

At present, some people have invented and created related technical processes, but there are the following disadvantages: one is too much investment, too high cost, difficult to implement, and difficult to become a reality

Second, even if it can be implemented, due to high operating costs and negative profits, it will be difficult to operate sustainably without government subsidies

The third is that only rural and urban domestic waste has been treated, while a large amount of agricultural and forestry waste has not been treated and recycled, and a large part is missing, failing to achieve the purpose and effect of fundamental treatment