Kitchen garbage disposal method

A kitchen waste and treatment method technology, applied in the field of environmental protection, can solve problems such as secondary pollution, easy pollution, complex components, etc., and achieve the effect of strong processing capacity and high degree of resource utilization

Inactive Publication Date: 2013-01-16
ZHEJIANG AIKELE ENVIRONMENTAL PROTECTION
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The above-mentioned food waste treatment process has the following disadvantages: 1) It cannot handle food waste containing broken glass, broken porcelain pieces, etc., and the existing food waste in my country is relatively complex, often mixed with broken glass, broken porcelain p

Method used

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  • Kitchen garbage disposal method

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[0023] Such as figure 1 As shown, the kitchen waste is first deodorized and disinfected, that is, the kitchen waste is sprayed with hydrolytic protease; then the fully automated sorting is carried out, the recyclable waste is screened, and the recyclable waste is sorted and sold for reuse. The remaining organic waste is crushed After crushing, it enters the solid-liquid separation system for processing through the automatic feeding system; the solid-liquid separator separates suspended solids and solids above 2 mm and squeezes and dehydrates them to form tail products. The oil and water are discharged into the oil-water separator for oil-water separation. The solid tail product undergoes subcritical hydrolysis treatment, and the tail product after subcritical hydrolysis treatment undergoes dynamic fermentation. After 2-3 days of dynamic fermentation, it becomes a soil organic matter improver. It can also be made according to different uses. Compound special organic fertilizer ...

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Abstract

A kitchen garbage disposal method is characterized by including steps of 1, sterilizing, deodorizing, and adding hydrolyzing protease into kitchen waste; 2, screening and crushing the kitchen garbage, sorting wastes such as glass and ceramics which cannot be disposed from deodorized garbage automatically, crushing the residual waste by a crusher; 3, performing solid and liquid separation, separating suspended matters with thickness of 2mm at least and solids and squeezing to dewater to form a tailing product, and discharging oil water into an oil and water separator; 4, performing oil and water separation to separate heavy oil, light oil, sewage and sludge and the like in waste water of the kitchen garbage, feeding the separated oil, sewage and sludge into an oil storage barrel, a sewage treatment device and a sludge collection barrel respectively; 5, purifying sewage by details of feeding the separated sewage into a sewage purifying system which is provided with air flotation and reverse osmosis devices; and 6, treating the tailing solid products by details of hydrolyzing the tailing solid subcritically, subjecting dynamic fermentation to the tailing solid products for two to three days after subcritical hydrolysis treatment, and finally obtaining an organism modifier for soil.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a kitchen waste treatment method. Background technique [0002] Kitchen waste is a general term for leftover meals discarded by catering units such as families, hotels, restaurants, government agencies, enterprises and institutions, and it is a kind of kitchen waste produced in the process of people's daily consumption. At present, about 40% of the vast majority of urban waste in the world is kitchen waste. According to estimates, the amount of kitchen waste generated in my country in 2000 was 45 million tons. At the same time, the amount of garbage generated in my country is increasing at a rate of about 10% per year, and the annual increase in the amount of kitchen waste generated reaches 5 million tons. The kitchen waste contained in the garbage has not been properly treated and utilized due to its high moisture content and low calorific value, th...

Claims

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Application Information

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IPC IPC(8): B09B3/00B09B5/00
Inventor 俞觊觎魏星马泳徐文华
Owner ZHEJIANG AIKELE ENVIRONMENTAL PROTECTION
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