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Method of integrated garbage treatment

A comprehensive treatment and garbage technology, applied in the direction of waste treatment, solid waste removal, etc., to achieve the effect of excellent economic benefits and no environmental risks

Inactive Publication Date: 2010-06-09
上海市机电设计研究院有限公司 +1
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  • Abstract
  • Description
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Problems solved by technology

[0004] With the improvement of people's awareness of environmental protection, the traditional way of garbage disposal has been greatly challenged

Method used

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Embodiment Construction

[0033] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0034] The present invention will be described in detail below by taking the DPG domestic waste treatment system as an example.

[0035] see figure 1 , DPG domestic waste treatment system consists of five major units:

[0036] sorting unit

[0037] Sorting out metals, large pieces of pickable fabrics and inorganic substances that can be entangled with the shredder from the primary garbage entering the factory;

[0038] Anaerobic digestion unit

[0039] The organic and easily degradable garbage in the garbage is processed by anaerobic digestion to generate biogas and at the same time achieve the purpose of degrading organic matter; make the garbage change from high humidity (50-60%) and low calorific value (800-1200Kcal / kg); to low moisture 25...

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Abstract

The invention discloses a method of integrated garbage treatment. The method is characterized by comprising the following steps of garbage sorting, anaerobic digestion, inonizing gasification, energy recovery and ash residue utilization. The treatment method of garbage is an integrated treatment process especially for mixed domestic garbage, in particular to garbage from cooking, organically combines an anaerobic digestion process and a gasification process, fully utilizes respective technical advantages and enables the garbage treatment to achieve the goal of optimal reclamation, hazard-free treatment and reduction.

Description

technical field [0001] The invention mainly relates to the technical field of garbage treatment, in particular to a method for comprehensive treatment of urban garbage. Background technique [0002] There are 668 cities with a population of more than 500,000 in China, with a per capita garbage volume of 440kg / y. In 2007, the total amount was 170 million tons, and it is still increasing at an average annual rate of 10%. It is estimated that by 2010, the output of urban garbage in my country will reach 200 million tons, and about 2 / 3 of large and medium-sized cities are surrounded by garbage. The total amount of garbage piled up in the country over the years has reached more than 6 billion tons, occupying about 500 million square meters of land. For a long time, the vast majority of urban garbage in my country has been disposed of by dumping waste land and simple landfills, which not only occupies a large amount of land, but also produces a large amount of seepage and harmful...

Claims

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Application Information

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IPC IPC(8): B09B5/00B09B3/00
CPCY02W30/20
Inventor 施国强胡珏辉史敏高亮雍士玮汤立炯
Owner 上海市机电设计研究院有限公司
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