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Combined disposal of urban garbage by burial and incineration

A combined treatment technology of municipal solid waste, applied in the direction of solid waste removal, etc., can solve the problems of single treatment technology, not giving full play to the advantages of different treatment technologies, and combination of treatment technologies, so as to facilitate sorting and improve energy utilization rate , the effect of resolving land occupation conflicts

Inactive Publication Date: 2006-04-12
NANJING UNIV
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Problems solved by technology

However, the existing municipal solid waste treatment system either adopts a single treatment technology, or uses multiple treatment technologies to run in parallel, and does not organically combine various treatment technologies, and does not give full play to the advantages of different treatment technologies

Method used

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  • Combined disposal of urban garbage by burial and incineration

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Embodiment Construction

[0019] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0020] Such as figure 1 shown.

[0021] In the method of the present invention, two garbage sanitary landfill areas (i.e. the first landfill area and the second landfill area) and a garbage sorting area and an incinerator (conventional garbage incinerator can be used) treatment device are included, and its working process It is as follows: domestic waste is first landfilled in a landfill area, and during the landfill process, the landfill gas generated during the landfill process is collected, pretreated (ie dehydration, desulfurization, removal of solid impurities, etc.) and then comprehensively utilized (power generation , heat energy output, gas output, fuel for waste incinerator); when the landfill area is saturated, another landfill area is used, and the garbage in the saturated landfill area is taken out at the same time, and the recyclable mater...

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Abstract

A method for treating city garbage by burying and burning features the two garbage burying fields are alternatively used, the combustible garbage is classified and then burnt, and the gas released by garbage burying fields, and the heat and dregs generated by burning are reclaimed.

Description

technical field [0001] The invention relates to a joint treatment method of landfill, incineration and utilization of municipal domestic garbage with small occupied space and fast treatment speed. Background technique [0002] At present, with the rapid development of my country's social economy and urbanization process, more and more people are facing the huge pressure brought by the disposal of municipal solid waste. The old landfills are close to saturation, and have even begun to overload. Even if the new landfills are put into use, they will face serious contradictions between limited landfill capacity and increasing waste production. [0003] People have developed a variety of technologies and methods in terms of waste disposal. After years of research and practical application, sanitary landfill, comprehensive utilization of landfill gas and waste incineration have become the mainstream technologies for disposal of domestic waste. However, the existing municipal soli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B5/00
Inventor 陈泽智唐秋萍刘鹏刘涛许雪松龚惠娟刘可卿
Owner NANJING UNIV
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