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Reclamation processing method for poor garbage

A treatment method and a resource-based technology, applied in the field of organic solid waste treatment and comprehensive utilization, to achieve the effects of eliminating odor and odor pollution and greenhouse gas pollution, avoiding secondary pollution, and achieving obvious social benefits

Inactive Publication Date: 2008-12-03
费爱民 +2
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  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The technical problem to be solved by the present invention is to propose a recycling method for obsolete garbage in view of the characteristics of obsolete garbage, so as to solve the shortcomings of existing obsolete garbage treatment methods

Method used

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  • Reclamation processing method for poor garbage

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Embodiment Construction

[0028] see figure 1 , the method for recycling obsolete garbage, specifically including the following steps:

[0029]1. Screening: Screen old garbage, screen out bulky garbage with a size greater than 300mm for crushing, and then crush it into pieces of garbage with a size of less than 20mm by a high-power, die-type crusher; in this step, the size is larger than The main reason for crushing bulky waste over 300mm is that it can be smoothly transported to the sterilization tank to prevent it from getting stuck;

[0030] 2. Sterilization: transport the broken pieces of garbage in step 1 together with the rest of the screened garbage into the sterilization tank, and pass saturated steam or superheated steam with a temperature of 130°C and a pressure of 0.3Mpa into the sterilization tank , Keep it for about 2 hours to completely kill all the microorganisms in the garbage; during the sterilization process, the bulky plastic film will shrink into an irregular spherical shape. Redu...

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Abstract

The invention provides a completely innocent and utmost resource treatment method for old garbage, which comprises the following steps that: a wood-plastic man-made board is produced after pretreatments such as disinfection, sterilization, screening and air separation of waste bamboo wood and plastics; and septic soil and concentrated waste liquid are prepared into a main raw material of high-quality organic fertilizer. The method used to treat the old garbage has the advantages that: 1. the method eliminates foul odor, foreign odor, and pollution to the environment which are produced by the prior treatment of the old garbage, and avoids the problems of greenhouse pollution and heavy metal pollution as well as flammability and explosibility due to produced inflammable gas when the old garbage is added with fresh organic matters and is prepared into compost through secondary fermentation; 2. the method avoids the atmospheric pollution produced by incineration treatment, particularly dioxin pollution; 3. the method can reclaim and reuse useful substances in the old garbage to the utmost extent, and produces good social benefit, economic benefit and ecological environment benefit.

Description

Technical field: [0001] The invention relates to the field of organic solid waste treatment and comprehensive utilization, in particular to a method for resourceful treatment of obsolete waste. Background technique [0002] The so-called obsolete garbage in the present invention mainly refers to the garbage that is naturally piled up without any treatment and the garbage after the landfill factory is closed, and the reduced-weight garbage that has been composted. [0003] According to statistics released by the Ministry of Construction in 2002: 660 municipalities in my country produced 136 million tons of domestic waste, of which 74.04 million tons were treated centrally, and 62 million tons were not treated in any way. These domestic waste may be piled up in designated places. Or randomly stacked on riversides, ponds and urban-rural junctions. The "siege" phenomenon of domestic waste is very serious; 660 counties and towns outside the designated cities generate about 36 mil...

Claims

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Application Information

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IPC IPC(8): B09B5/00B09B3/00C02F1/72B29B17/02C05F11/02C10L5/46
CPCY02E50/30Y02E50/10Y02W30/52Y02W30/62Y02W30/78
Inventor 刘文治
Owner 费爱民
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