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Method for treating and recycling industrial, construction and domestic wastes

A technology of domestic waste and construction waste, applied in the field of resource recycling, can solve problems such as damage to water quality and air pollution

Inactive Publication Date: 2013-06-12
SHANGHAI JIANWEI CULTURAL HERITAGE CONSERVATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] For all the above wastes, the methods used in the past are passive stacking, incineration, and burial, which will occupy a large amount of urban land. More than 2 / 3 of the cities in my country are surrounded by "garbage mountains"; leaching and bacterial decomposition make harmful substances and pathogenic bacteria enter the soil; through impregnation, infiltration and bacterial decomposition, harmful substances enter the water body, which seriously damages the quality of the water body; during the transportation and treatment of waste, harmful gases and dust can be produced, and in the natural decomposition process It will release stench and poisonous gas, causing regional air pollution

Method used

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Embodiment Construction

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention will be described in detail below.

[0026] A method for treating and reusing industrial, construction, and domestic wastes, using industrial wastes, construction wastes, and domestic wastes as raw materials for curable materials, and curing the curable materials to make industrial wastes, construction wastes Waste and domestic waste are immobilized, and the immobilized industrial waste, construction waste, and domestic waste are reused as part of the solidified solidified product.

[0027] Industrial waste, construction waste, and domestic waste are added to curable materials after treatment. Treatment includes pretreatment and reprocessing. Pretreatment is to classify and sort various wastes, and reprocessing includes solid waste Crush the object so that its size is below 37.5mm.

[0028] For metal waste, reproces...

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Abstract

The invention relates to waste treating and recycling. A method for treating and recycling industrial, construction and domestic wastes comprises the following steps of: by utilizing industrial wastes, construction wastes and domestic wastes as raw material additives of solidifiable materials, stabilizing the industrial wastes, construction wastes and domestic wastes through solidifying the solidifiable materials, and recycling the stabilized industrial wastes, construction wastes and domestic wastes as a part of a solidified material. By adopting the method, the wastes can be recycled as a part of the solidified material at first; and secondarily, the performances of the solidified material can be improved with low cost through adding the wastes.

Description

technical field [0001] The invention relates to the field of resource recovery and utilization, in particular to the treatment and reuse of waste. Background technique [0002] Commonly used materials in civil engineering are: concrete, steel bars, wood, plastic, glass and various other synthetic materials, all of which are bulk materials and are used in a very large amount. At the same time, there are a lot of leftover materials and waste generated. It is not only a waste of resources, but also causes great damage to the living environment. [0003] Industrial waste mainly includes the following categories: blast furnace slag, steel slag, various non-ferrous metal slag, ferroalloy slag, ferrous slag, various dust, sludge and other metallurgical waste; stripping waste rock, excavation waste rock, coal gangue, mineral processing waste Mining waste generated during the mining of various ores and coal, such as stone, washing waste residue, and various tailings; fuel waste resi...

Claims

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Application Information

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IPC IPC(8): B09B3/00B09B5/00
CPCY02W30/58Y02W30/78
Inventor 郭伟民曹勇黎栋侯实
Owner SHANGHAI JIANWEI CULTURAL HERITAGE CONSERVATION TECH CO LTD
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