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Kitchen garbage treatment and fermentation process

A technology of kitchen waste and fermentation process, which is applied in the directions of fermentation, water/sewage multi-stage treatment, water/sludge/sewage treatment, etc. It can solve the problems of unfavorable treatment equipment, reduce production costs, reduce pollution, and achieve high purity Effect

Inactive Publication Date: 2021-04-09
深圳茂元环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The current treatment method of kitchen waste still leaves some residues, which is not conducive to the work of the processing equipment, and the remaining residues also need to be further processed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The present invention provides the following technical solutions: a kitchen waste treatment and fermentation process, comprising the following steps:

[0036] S1. Collect kitchen waste, sort the collected kitchen waste, and separate solid-liquid kitchen waste after sorting;

[0037] S2, performing centrifugal dehydration on the obtained solid kitchen waste, and discharging the dehydrated waste water and the separated liquid into the waste water pool;

[0038] S3, separating oil and water from the kitchen waste swill in the waste water pool;

[0039] S4, the swill produced by oil-water separation is discharged into the sedimentation tank, and the swill oil is purified;

[0040] S5, the swill in the settling tank is separated from the sludge after sedimentation, the swill after the upper layer of sedimentation is discharged into the swill tank, and discharged after water purification treatment, and the sludge in the settling tank is collected;

[0041] S6. Dry the solid...

Embodiment 2

[0059] The present invention provides the following technical solutions: a kitchen waste treatment and fermentation process, comprising the following steps:

[0060] S1. Collect kitchen waste, sort the collected kitchen waste, and separate solid-liquid kitchen waste after sorting;

[0061] S2, performing centrifugal dehydration on the obtained solid kitchen waste, and discharging the dehydrated waste water and the separated liquid into the waste water pool;

[0062] S3, separating oil and water from the kitchen waste swill in the waste water pool;

[0063] S4, the swill produced by oil-water separation is discharged into the sedimentation tank, and the swill oil is purified;

[0064] S5, the swill in the settling tank is separated from the sludge after sedimentation, the swill after the upper layer of sedimentation is discharged into the swill tank, and discharged after water purification treatment, and the sludge in the settling tank is collected;

[0065] S6. Dry the solid...

Embodiment 3

[0083] The present invention provides the following technical solutions: a kitchen waste treatment and fermentation process, comprising the following steps:

[0084] S1. Collect kitchen waste, sort the collected kitchen waste, and separate solid-liquid kitchen waste after sorting;

[0085] S2, performing centrifugal dehydration on the obtained solid kitchen waste, and discharging the dehydrated waste water and the separated liquid into the waste water pool;

[0086] S3, separating oil and water from the kitchen waste swill in the waste water pool;

[0087] S4, the swill produced by oil-water separation is discharged into the sedimentation tank, and the swill oil is purified;

[0088] S5, the swill in the settling tank is separated from the sludge after sedimentation, the swill after the upper layer of sedimentation is discharged into the swill tank, and discharged after water purification treatment, and the sludge in the settling tank is collected;

[0089] S6. Dried the sol...

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PUM

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Abstract

The invention belongs to the technical field of kitchen garbage treatment, and particularly relates to a kitchen garbage treatment and fermentation process. The process comprises the following steps of performing oil-residue separation on swill generated after dehydration in kitchen garbage, performing oil-water separation treatment on swill greases in an oil-water separation tank, and finally performing water purification treatment, so that the extracted swill greases are high in purity and free of impurity doping. Meanwhile, filtered wastewater can be recycled, the production cost is reduced, the environmental pollution is reduced, during sewage treatment, sludge precipitated from sewage can be mixed with the crushed and sieved kitchen garbage for heat treatment, a mixture after heat treatment is used as a source of hydrogen-producing bacteria and a hydrogen-producing matrix, the obtained mixed matrix is placed in a closed fermentation tank for room-temperature anaerobic fermentation hydrogen production, the fermentation process is carried out in a closed reactor, and fermentation residues can be used for producing biogas through methanation anaerobic fermentation or producing fertilizers through aerobic composting.

Description

technical field [0001] The invention belongs to the technical field of kitchen waste treatment, and in particular relates to a kitchen waste treatment fermentation process. Background technique [0002] Kitchen waste is a general term for the leftover meals discarded by catering units such as families, hotels, restaurants, government agencies, enterprises and institutions, and is a kind of organic solid waste produced in people's daily life. The composition of kitchen waste is very complex. It is a hodgepodge of oil, water, mixed vegetables, fruit peels, fruit cores, rice noodles, fish, meat, bones, waste tableware, paper towels, etc. Organic substances such as starch, dietary fiber, animal fat and protein are kitchen waste. The main organic components of waste. In recent years, with the improvement of urban living facilities and living conditions, the improvement of people's living standards and the increase of population, the amount of kitchen waste generated is increasin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/00C02F9/02C12P5/02C05F15/00C10B53/00C10B57/00
CPCB09B3/00C02F1/40C02F1/52C12P5/023C05F9/00C05F9/04C10B53/00C10B57/005C05F17/00C05F11/08Y02E50/30
Inventor 刘恩军阙世界吴高棋
Owner 深圳茂元环保科技有限公司
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