Urban domestic garbage comprehensive treatment technology

Abstract

The technological process of treating domestic garbage comprehensively includes artificially pre-sorting to separate recovered matter, mechanical sorting to separate organic matter for making fertilizer and percolate for fertilizer humidity regulation, producing compost with organic matter, incinerating useless matter, making brick, heat energy utilizing for producing fertilizer and brick, etc. The fume is desulfurized and dedusted before exhaust via chimney, and the compost may be further processed to for different composite organic fertilizer products.

Description

Technical field

[0001] The invention relates to a process technology for comprehensive treatment of domestic garbage. It is aimed at the characteristics of "large volume, mixed packaging, low fuel value, and high organic matter" of urban domestic waste in China. Recyclables, fertilizers, and bricks can be selected from municipal solid waste through pre-sorting and process sorting. waste, incinerators, and landfills are treated separately. Background technique

[0002] At present, the treatment methods of municipal solid waste in my country are as follows: one is simple landfill, which is banned by the country due to serious environmental pollution; the other is sanitary landfill, which has the disadvantages of large investment, waste of land resources, and harmless Recycling and reduction are not obvious, and resource utilization is also difficult to achieve, especially in areas where land is scarce such as coastal areas. The disadvantages are large investment, high operatin...

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