CN104607436A

CN104607436A - Harmless processing method for kitchen waste

Info

Publication number: CN104607436A
Application number: CN201410734128.0A
Authority: CN
Inventors: 郭迎庆
Original assignee: Changzhou University
Current assignee: Changzhou University
Priority date: 2014-12-04
Filing date: 2014-12-04
Publication date: 2015-05-13

Abstract

A related harmless processing method for kitchen waste is characterized by comprising performing solid-liquid separation on kitchen waste; putting the liquid in a container; partially collecting the solid and putting in a fragmenting machine for crushing, artificially separating out recycling substances from the soil to obtain renewable resource; then putting the residual substances in a crusher for crushing, putting in a high-temperature furnace for calcining at a high temperature of 600 DEG C for 2 h, collecting a released gas, continuing to calcine at a high temperature of 800 DEG C until the substances are carbonized, and using the carbonized substances for preparing a fertilizer; putting the liquid into a gravity oil-separation pool of a separation system to perform oil-water separation, esterifying grease to obtain glycerin; adding a certain amount of a hydrogen peroxide solution into the residual water solution containing a large amount of harmful substances, and stirring for 2 h, so as to oxidize the harmful substances in the water solution, and then adding active carbon and filtering, so as to obtain the processed sewage reaching discharge standard. The method is simple and effective, and is small in production area, short in processing time and free of environmental pollution.

Description

Method for innocent treatment is discarded in a kind of meal kitchen

Technical field

The present invention relates to a kind of meal kitchen to give up method for innocent treatment.

Background technology

China manufactures the house refuse of more than 100,000,000 ton every year, and wherein changing food waste accounts for the overwhelming majority.Kitchen castoff is the general name of the remaining rubbish of dining room, restaurant and domestic garbage, and be commonly called as hogwash, wherein organic component content is high, and moisture content is comparatively large, but does not effectively process, and reclaim kitchen castoff, transport, harmfulness is very large.If expose in atmosphere, time temperature is higher, kitchen castoff will very fast rotting, and gives out a foul smell, spread germs, bring great threat to health.Because moisture content in kitchen castoff is very high in transportation, easily reveal, very easily by osmosis polluted underground water.And in recent years, the food security literary composition problem that the kitchen castoffs such as waste oil, rubbish pig cause receives much concern, by the threat caused human health, kitchen castoff becomes the factor affecting people's normal life already, therefore to give up method for innocent treatment in the urgent need to one meal kitchen, some traditional treatment method are landfill methods, anaerobic composting, Vermicomposting method etc., these methods not only take a large amount of land resource and the processing time comparatively very long, the invention provides a kind of meal kitchen and to give up method for innocent treatment, place of production area is little, processing time, environmentally safe.

Summary of the invention

The invention provides a kind of meal kitchen to give up method for innocent treatment, this method is simply effective, little to place of production area, processing time, environmentally safe.

In order to reach above-mentioned purpose, the concrete technical scheme of employing is:

1, a kitchen castoff detoxification method, is characterized in that: kitchen castoff Separation of Solid and Liquid

(1) pour in equipment for separating liquid from solid by changing food waste, by solid and fluid separation applications, in a reservoir, solid carries out portion collection to liquid dress, and puts into disintegrating machine and carry out fragmentation;

2, a kind of kitchen castoff detoxification method according to claims 1, is characterized in that: solid waste innoxious

(1) by the material of crossing reproducible utilization in solid through pedestrian's work point from, as metallics, plastic products, the renewable resources such as glass fragment;

(2) remaining material is pulverized in pulverizer, put into high temperature furnace and carry out calcining 2 hours under the high temperature of 600 DEG C, because air-polluting gas so gas collection directly can be released without after the burnings such as plastic products in these materials, calcining is being continued until charing, for making chemical fertilizer with the high temperature of 800 DEG C;

3, a kind of kitchen castoff detoxification method according to claims 1, is characterized in that: liquid innoxious

(1) put into piece-rate system gravity oil interceptor at the mixed liquor of changing food waste, carry out water-oil separating, grease obtains glycerine carrying out ester;

(2) the remaining aqueous solution contains a large amount of nuisances, adds a certain amount of hydrogenperoxide steam generator in the solution, stirs 2 hours, is oxidized, then adds active carbon to the harmful substance in water body, and filter, the sewage after process can reach discharge standard.Application process of the present invention is:

Kitchen castoff Separation of Solid and Liquid

Poured into by changing food waste in equipment for separating liquid from solid, by solid and fluid separation applications, in a reservoir, solid carries out portion collection to liquid dress, and puts into disintegrating machine and carry out fragmentation;

Solid waste innoxious

By the material of crossing reproducible utilization in solid through pedestrian's work point from, as metallics, plastic products, the renewable resources such as glass fragment, again remaining material is pulverized in pulverizer, put into high temperature furnace and carry out calcining 2 hours under the high temperature of 600 DEG C, because air-polluting gas so gas collection directly can be released without after the burnings such as plastic products in these materials, calcining is being continued until charing, for making chemical fertilizer with the high temperature of 800 DEG C;

Liquid innoxious

Piece-rate system gravity oil interceptor is put at the mixed liquor of changing food waste, carry out water-oil separating, grease obtains glycerine carrying out ester, the remaining aqueous solution contains a large amount of nuisances, adds a certain amount of hydrogenperoxide steam generator in the solution, stirs 2 hours, harmful substance in water body is oxidized, add active carbon again, filter, the sewage after process can reach discharge standard.

Specific embodiments:

Changing food waste is poured in equipment for separating liquid from solid, by solid and fluid separation applications, liquid dress in a reservoir, solid carries out portion collection, and put into disintegrating machine and carry out fragmentation, by the material of crossing reproducible utilization in solid through pedestrian's work point from, as metallics, plastic products, the renewable resources such as glass fragment, again remaining material is pulverized in pulverizer, put into high temperature furnace and carry out calcining 2 hours under the high temperature of 600 DEG C, because air-polluting gas so gas collection directly can be released without after the burnings such as plastic products in these materials, calcining is being continued until charing with the high temperature of 800 DEG C, for making chemical fertilizer, piece-rate system gravity oil interceptor is put at the mixed liquor of changing food waste, carry out water-oil separating, grease obtains glycerine carrying out ester, the remaining aqueous solution contains a large amount of nuisances, add a certain amount of hydrogenperoxide steam generator in the solution, stir 2 hours, harmful substance in water body is oxidized, add active carbon again, filter, sewage after process can reach discharge standard.

Claims

1. a kitchen castoff detoxification method, is characterized in that kitchen castoff Separation of Solid and Liquid: poured into by changing food waste in equipment for separating liquid from solid, and by solid and fluid separation applications, in a reservoir, solid carries out portion collection to liquid dress, and puts into disintegrating machine and carry out fragmentation.

2. a kind of kitchen castoff detoxification method according to claims 1, is characterized in that the innoxious of solid waste:

(2) remaining material is pulverized in pulverizer, put into high temperature furnace and carry out calcining 2 hours under the high temperature of 600 DEG C, because air-polluting gas so gas collection directly can be released without after the burnings such as plastic products in these materials, calcining is being continued until charing, for making chemical fertilizer with the high temperature of 800 DEG C.

3. a kind of kitchen castoff detoxification method according to claims 1, is characterized in that the innoxious of liquid:

(2) the remaining aqueous solution contains a large amount of nuisances, adds a certain amount of hydrogenperoxide steam generator in the solution, stirs 2 hours, is oxidized, then adds active carbon to the harmful substance in water body, and filter, the sewage after process can reach discharge standard.