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Kitchen waste pretreatment method

A food waste and pretreatment technology, which is applied in the direction of chemical instruments and methods, solid waste removal, transportation and packaging, etc., can solve the problems affecting the efficiency of food waste treatment, equipment damage to the production environment, etc., to improve production efficiency, The effect of reducing clogging and improving processing efficiency

Pending Publication Date: 2022-06-28
肖扬帆
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Problems solved by technology

[0002] The pretreatment of food waste is generally divided into several steps such as sorting and crushing. The existing treatment equipment is often blocked by grease or organic matter, resulting in equipment damage or poor production environment (first-class oil pollution), which seriously affects the food waste. Efficiency of kitchen waste treatment

Method used

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Embodiment Construction

[0028] like figure 1 In the invention, a method for pretreatment of kitchen waste includes the following steps: punching and crushing, punching and sorting;

[0029] The described punching and crushing is washed with water while the kitchen waste is crushed (including before, during and after crushing, the present invention adopts any one or two combinations of the three, or a combination of the three), The rinsed water is collected after being filtered, and the unfiltered kitchen waste enters the punching and sorting step. Preferably, in the punching and crushing step, the water pressure of the rinse water is 0.01-2 standard atmospheres. figure 1 The water pressure of the flushing water used in the process is 0.8-2 standard atmospheric pressure. The size of the water pressure is related to the organic content of the kitchen waste. The organic content is below 92% (excluding 90%). The water pressure is within 1.5-2 standard atmospheric pressure. The interval includes 2 endpoi...

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Abstract

The kitchen waste pretreatment method comprises the following steps: stamping and crushing, and stamping and sorting; stamping and crushing, namely washing the kitchen waste with water while crushing the kitchen waste, filtering and collecting the washing water, and feeding the kitchen waste which is not filtered into the stamping and sorting step; and stamping and sorting, namely washing the crushed kitchen waste with water while sorting, filtering and collecting the washed water, and filling residues which do not pass through the filtration. Through water washing, the oil extraction rate can be greatly improved, interference of oil to the pretreatment system is reduced, and the treatment efficiency of the whole system is greatly improved.

Description

technical field [0001] The invention relates to the technical field of kitchen waste treatment technology, in particular to a high-efficiency kitchen waste pretreatment method. Background technique [0002] The pretreatment of kitchen waste is generally divided into several steps such as sorting and crushing. The existing processing equipment is often blocked by grease or organic matter, resulting in equipment damage or poor production environment (oil pollution is first-class), which seriously affects the food waste. Efficiency of kitchen waste treatment. [0003] In view of the above problems, it is necessary to find an efficient method for pretreatment of kitchen waste to prolong the service life of the equipment. SUMMARY OF THE INVENTION [0004] Aiming at the deficiencies of the existing treatment methods, the present invention provides a pretreatment method for kitchen waste, which separates grease and kitchen waste by washing with water, and separates them step by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09B3/35B09B3/30B09B101/70
CPCB09B3/00
Inventor 肖扬帆张晶晶刘春平
Owner 肖扬帆
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