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Harmless treatment method for urban domestic garbage and its novel use

A technology for municipal solid waste and energy conversion, which is applied in the new technology and new application field of harmless energy treatment of municipal solid waste, can solve the problems of high energy consumption, secondary pollution, low efficiency, etc., and achieves low investment and processing energy. The effect of low consumption and simple process

Inactive Publication Date: 2005-11-30
长沙紫宸科技开发有限公司
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Problems solved by technology

[0009] The technical problem to be solved by the present invention is: in view of my country's large population, relatively scarce resources, huge energy consumption, rapid urbanization expansion, large increase in urban domestic waste, and the large energy consumption and low efficiency of the existing technology for processing urban domestic waste. to solve the problem of serious secondary pollution; to provide a low-investment, simple operation, which can make full use of the energy of combustibles in municipal solid waste and the available components in inorganic non-combustibles, eliminate secondary pollution, and provide new energy and new uses for building materials production New methods and new uses of harmless and energy-based treatment of municipal solid waste

Method used

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Embodiment Construction

[0028] Implementation of the present invention will at least solve the technical problems of the following six aspects:

[0029] 1. Make full use of combustible energy and inorganic component SiO in municipal solid waste without increasing additional energy consumption as much as possible 2 、Al 2 o 3 , Fe 2 o 3 , CaO, MgO and sulfur, fluorine, mercury, lead, copper, cadmium and other elements;

[0030] 2. Ignition temperature and embers, including complete combustion of dioxins and fluorocarbons;

[0031] 3. Effectively eliminate pollution from HCl, HF, SOx, NOx, dioxin, furan and heavy metal elements, and use chlorine, fluorine, sulfur and heavy metal elements as mineralizers;

[0032] 4. Medium and low pressure molding curing and strength problems;

[0033] 5. Harmless disposal of the filtrate of the garbage disposal site and the sorted construction waste, etc.;

[0034]6. The investment should be small, the cycle should be short, the operation should be simple, the u...

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Abstract

New method and application of innocent energylization treatment for urban house garbage. Separate the house garbage, break up; add lime, binding agent and burning-rate accelerator, finally, form, solidify and dry; the product can be used to low-calorie fuels for cement manufacture. This invention needs low cost, simple to operate and provides new resource and application for building material.

Description

Technical field: [0001] The invention relates to the development and application of an environmental protection technology, in particular to a new technology and new application of harmless and energy-based treatment of urban domestic garbage. Background technique: [0002] The amount of urban domestic waste in my country is increasing at an average annual rate of 9%, and the average annual growth rate of some urban domestic waste is 15-20%. The per capita daily domestic waste is 1.16kg. The amount of domestic waste piled up around the city has reached more than 6 billion tons over the years, occupying at least 500 million square meters of ground. Now, the newly increased urban domestic waste in the country is placed in simple landfills or open-air piles in the suburbs of cities and along rivers. More than 80 million tons. [0003] The direct stacking and simple burial of domestic waste release a large amount of harmful gases into the atmosphere, which contain carcinogenic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00
Inventor 尹小林
Owner 长沙紫宸科技开发有限公司
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