Method for comprehensive processing garbage of food and recycling to use

A comprehensive treatment and meal waste technology, applied in the direction of anaerobic digestion treatment, application, solid waste removal, etc., can solve the problems of imperfect treatment in all directions, achieve huge economic benefits and social effects, and eliminate secondary pollution Effect

Active Publication Date: 2008-02-27
鲁控环保(苏州)有限公司
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Problems solved by technology

[0009] Patent 200520133425.6 describes a comprehensive treatment system for food waste, which includes a feed hopper, a raw material storage bin, a pulverizer, a conveyor, an oil-water separator, an incineration disposal of flammable waste, an electric dryer, an additive device, a mixer, Processing tower and sterilization, stirring device, adding device, etc., the system is not perfect for all-round processing of materials

Method used

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  • Method for comprehensive processing garbage of food and recycling to use

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Embodiment Construction

[0028] Catering waste consists of leftovers, packaging bags, discarded tablecloths, disposable chopsticks, toothpicks, bottle caps and other materials. The method for the comprehensive treatment, recycling and reuse of meal waste of the present invention is to carry out comprehensive harmless and resourceful treatment of meal waste, including the following steps: ①accurate classification, ②cleaning and recycling of impurities, ③high-temperature cooking, ④extruding and dehydrating Deoiling, ⑤ waste water treatment, ⑥ waste oil treatment.

[0029] Steps ① and ② are accurate classification and cleaning and recycling of impurities. Use bag breaking machine, vibrating screen, and magnetic separation device to separate packaging bags, large-shaped substances and ferromagnetic substances. Recycling.

[0030] Steps ③ and ④ are to cook the separated material at high temperature and extrude to dehydrate and deoil to separate the solid and liquid, and use physical centrifugal technology...

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Abstract

The invention discloses a synthetic processing recycling reusing method of residual dining rubbish, which comprises the following steps: cutting to remove package bag, waste table cloth and plastic bag; vibrating and sieving to pick chopstick; using magnet to attract bottle cap; washing the separated materials mechanically; collecting splitly; boiling main solid material under 130-150 deg. c for 30-60 min; squeezing the boiled material to separate solid from liquid; proceeding oil-water separation for the squeezed water and oil through centrifuging; doing anaerobic ferment for the waste water to produce methane; esterifying waste oil and carbinol to prepare fatty acid methyl ester. The invention eliminates secondary pollution during environmental protection and disposal, which is a reasonable, industrial, scaling, non-harmful, resourcing disposing pattern for the dining rubbish with good applying prospect.

Description

technical field [0001] The invention relates to a method for solid waste disposal, in particular to the comprehensive treatment, recovery and reuse of meal waste, which belongs to the technical field of solid waste treatment and disposal. Background technique [0002] Catering waste is increasing day by day, accounting for a large proportion of domestic waste. In the past, people used to landfill or simply process food waste. Neither of these two methods can completely deal with it, causing direct pollution or secondary pollution to the environment. [0003] Meal waste is mainly composed of leftovers generated in the operation process of hotels, restaurants, canteens, snack bars, etc., leftovers from food production and processing departments, and kitchen waste generated from household kitchens. This kind of garbage has the characteristics of high moisture content, high content of recyclable resources, easy corruption and environmental pollution, and occupies a high proport...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B5/00B09B3/00C02F3/28A23K1/10A23K10/26A23K10/37A23K40/00A23K40/10
CPCY02E50/30Y02P60/87
Inventor 傅菊男吴志明葛文明李荣伟
Owner 鲁控环保(苏州)有限公司
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