Garbage and sludge high pressure themolysis processing method, system and application thereof

A treatment method and pyrolysis reactor technology, applied in the field of solid waste treatment process, can solve the problems of waste of resources and energy, deterioration of natural properties and stability of landfill land, secondary pollution of leachate, etc., and achieve improvement Treatment efficiency, reducing the probability of dioxin generation, and the effect of solving air pollution
CN101758059BActive Publication Date: 2012-05-30SOUTH CHINA AGRI UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SOUTH CHINA AGRI UNIV
Publication Date
2012-05-30

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Abstract

The invention discloses a garbage and sludge high pressure themolysis processing method, system and application thereof. The invention carries out themolysis reaction for 5min-1.5h under the conditions of 8-80atm and 150-320 DEG C and three times of dehydration drying, not only heat value of garbage and sludge is greatly improved, dehydration, benzene removing, dechloridation, deodorization, disinfection, sterilization, volume reduction, bag breaking and degradation decomposition are carried out on garbage and / or sludge and percolation liquid is treated, and clean energy and recycled self-circulation heat are taken as heat supply energy source, energy consumption is reduced; but also method in material is rejected, so as to reduce the production probability of dioxin in garbage incineration smoke. The invention realizes garbage and sludge comprehensive reclamation, including power supply, heat supply, production of multiple organic compound fertilizers and environmentally friendly building materials and direct recovery of metal, battery and plastic. The invention can realize preparation of garbage and sludge organic compound fertilizer and feed, pre-treatment of garbage incineration generating and pre-treatment of garbage themolysis generating and has the characteristics of environmental protection, energy conservation and wide application range.
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Description

technical field

[0001] The invention belongs to the technical field of solid waste treatment technology, in particular to a high-pressure pyrolysis treatment method and system for garbage and sludge and its application. Background technique

[0002] The amount of domestic waste produced in cities and towns in my country has grown synchronously with the speed of social economy and the process of urbanization. However, my country's domestic waste treatment and disposal technology is relatively lagging behind, and the problem of urban domestic waste pollution is quite serious. If the domestic waste is not treated in a timely and reasonable manner, then in the next few decades, urban domestic waste will inevitably hinder the rapid development of cities. Traditional waste incineration power generation requires waste with a moisture content of 40% to 60%, an ash content of less than 25%, and a calorific value of about 1000kcal / kg. However, in reality, the moisture content of was...

Claims

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