Kitchen waste treatment process

Abstract

The invention relates to the field of kitchen waste treatment, in particular to a kitchen waste treatment process which comprises the following steps that S1, food waste in kitchen waste is received through a food waste receiving system, and kitchen waste in the kitchen waste is received through a kitchen waste receiving system; s2, treating the received food waste through a food pretreatment system to obtain crude oil, organic solid residues, impurities and organic feed liquid; the method comprises the following steps: treating received kitchen garbage through a kitchen garbage pretreatment system to obtain crude oil, organic solid residues, impurities and organic feed liquid; therefore, the extraction rate of grease in the food waste with large grease content is greatly improved, organic solid residues produced after grease extraction of a huge amount of the food waste are treated by a biological composting system, the water content in the kitchen waste is greatly reduced, the purpose of reduction is achieved, the organic solid residues are well utilized, and the production cost is reduced. Therefore, cyclic utilization of resources is realized.

Description

technical field [0001] The invention relates to the field of kitchen waste treatment, in particular to a kitchen waste treatment process. Background technique [0002] Kitchen waste is the general term for food waste and kitchen waste. The former is produced from the leftovers of the catering industry such as restaurants and canteens. It has the characteristics of large production, relatively concentrated quantity, and wide distribution. The latter is mainly the leftovers discarded in the daily cooking of residents. Food and leftovers come from thousands of households. The quantity is huge but relatively scattered. The overall production volume exceeds that of food waste, and its oil content is less than that of food waste, but its moisture content and salt content are higher. Contains a large amount of organic nutrients, so it is not suitable for direct landfill and incineration. Improper disposal may cause criminals to use these food wastes to raise poultry and livestock, ...

AI Technical Summary

Problems solved by technology

[0002] Kitchen waste is the general term for food waste and kitchen waste. The former is produced from the leftovers of the catering industry such as restaurants and canteens. It has the characteristics of large production, relatively concentrated quantity, and wide distribution. The latter is mainly the leftovers discarded in the daily cooking of residents. Food and leftovers come from thousands of households. The quantity is huge but relatively scattered. The overall production volume exceeds that of food waste, and its oil content is less than that of food waste, but its moisture content and salt content are higher. Contains a large amount of organic nutrients, so it is not suitable for direct landfill and incineration. Improper disposal may cause criminals to use these food wastes to raise poultry and livestock, recycle and process food, and even endanger ecological safety. Moreover, for the huge amount of kitchen waste , the post-treatment and transportation tasks are quite huge, but in the prior art, when dealing with food waste, food waste and kitchen waste are often collected for centralized treatment and mixed treatment, which greatly reduces the oil extraction on the one hand. On the other hand, the amount of solid slag produced in the process of oil extraction is huge, and these solid slags require a lot of manpower and material resources in the subsequent processing, especially in the transportation, resulting in a large amount of tasks

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