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Mechanical pretreatment system and process for municipal domestic waste comprehensive treatment

A technology for comprehensive treatment of municipal solid waste, applied in the field of mechanical pretreatment systems and processes, can solve problems such as inconvenience, and achieve the effects of advanced process principles, strong adaptability, and reduced extrusion pressure

Active Publication Date: 2017-05-31
BEIJING ENVIRONMENT ENG TECH CO LTD +1
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  • Application Information

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Problems solved by technology

[0008] This shows that the mechanical pretreatment system and technology of the above-mentioned existing municipal solid waste comprehensive treatment (biogas production) obviously still have inconvenience and defects, and need to be further improved urgently

Method used

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  • Mechanical pretreatment system and process for municipal domestic waste comprehensive treatment
  • Mechanical pretreatment system and process for municipal domestic waste comprehensive treatment
  • Mechanical pretreatment system and process for municipal domestic waste comprehensive treatment

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Embodiment Construction

[0041] The above is only an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0042] refer to figure 1 As shown, the present invention is used for the mechanical pretreatment process of municipal solid waste comprehensive treatment (biogas production), and its principle can be abstractly summarized as "grinding tissue destruction+squeezing separation"; mainly includes three process step units connected in sequence, Coarse crushing unit, vertical shaft hammer grinding unit, dry and wet component extrusion separation unit, the core equipment of which are two-shaft shearing coarse crusher (such as figure 2 shown), vertical shaft hammer mill (such as Figure 3-8shown), hydraulic plunger type secondary extrusion separator (such as Figure 9 , 10 shown); the...

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Abstract

The invention discloses a mechanical pretreatment system for municipal domestic waste comprehensive treatment (marsh production). The system comprises a coarse crushing unit, a vertical shaft hammer type grinding unit and a dry-wet component extrusion and separation unit which are arranged in sequence. The units are sequentially connected through a conveying machine. The invention further discloses a mechanical pretreatment process for municipal domestic waste comprehensive treatment adopting the mechanical pretreatment system. The process comprises the process steps of coarse crushing, vertical shaft hammer type grinding and dry-wet component extrusion and separation. The technical defects that organic matter separation efficiency is low and the impurity content is high according to existing domestic waste comprehensive treatment mechanical pretreatment are overcome, the waste receiving adaptability is high, the equipment integration degree is high, continuous stable operation is achieved, various kinds of domestic waste with complex ingredients are used as raw materials, dry and wet components are produced to meet different follow-up technological requirements, coordinated treatment of various kinds of municipal domestic waste is achieved, and the system and the process are suitable for being applied and popularized.

Description

technical field [0001] The invention relates to the field of environmental sanitation, in particular to a mechanical pretreatment system and process for comprehensive treatment (biogas production) of municipal solid waste. Background technique [0002] The salient feature of my country's municipal solid waste is that kitchen waste components account for more than half, and the moisture content and organic matter content are extremely high. Direct landfill wastes resources, and direct incineration will use a large part of the heat to heat and evaporate the water in the waste. It is easy to produce harmful substances; in the reality that the implementation of front-end domestic waste classification still needs a long process, comprehensive treatment technology is the only way for my country's waste treatment. [0003] In the past two decades, relevant scientific researchers in my country have done a lot of introduction, absorption, exploration and improvement work on the compre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00B02C18/14B02C13/02B30B9/04
CPCB02C13/02B02C18/14B09B3/00B30B9/04
Inventor 何亮陈浩聂文渊赵克杨跃金王玉娟解建波王云平
Owner BEIJING ENVIRONMENT ENG TECH CO LTD
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