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A kind of food waste resource treatment method

A technology of kitchen waste and a treatment method, which is applied in the field of kitchen waste resource treatment and production of solid fuel, can solve the problems of low resource utilization level, high treatment cost, secondary pollution, etc., and achieves the improvement of odor problem, simple equipment, Energy saving effect

Active Publication Date: 2017-12-22
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The purpose of the present invention is to overcome the deficiencies in the prior art, such as the low level of resource utilization, high processing costs, and secondary pollution caused by sewage generated during the processing process, and to provide an efficient and environmentally friendly waste disposal system that can effectively process food waste and obtain solid fuel. The comprehensive treatment method and treatment system of kitchen waste can finally realize the recycling and harmlessness of waste

Method used

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  • A kind of food waste resource treatment method
  • A kind of food waste resource treatment method

Examples

Experimental program
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Effect test

Embodiment 1

[0037] (1) Sorting: put 500kg of food waste into the waste sorting machine 1 for mechanical sorting, and remove unusable inorganic solids;

[0038] (2) Crushing: transfer the removed kitchen waste to the garbage crusher 2 for mechanical crushing into powder, and move it into the garbage storage bin 3a for standby;

[0039] (3) Drying: Add 500kg of high-temperature-resistant Bacillus subtilis as a desiccant to the crushed kitchen waste, mix it in the material mixer 4, and then move it to the drying device 5 for drying for 20 hours, during which it turns over and mixes once every 5 hours;

[0040] (4) Compression: The dried garbage enters the moisture content regulator 6, adding sawdust to adjust the moisture content to 35%, and the resulting mixture is compacted into a solid fuel by a molding machine 7.

[0041] The garbage mixture obtained after drying in step (3) can be recycled as a desiccant in the next drying step, and the garbage mixture recycled as a desiccant is moved i...

Embodiment 2

[0045] (1) Sorting: put 500kg of food waste into the waste sorting machine 1 for mechanical sorting, and remove unusable inorganic solids;

[0046] (2) Crushing: transfer the removed kitchen waste to the garbage crusher 2 for mechanical crushing into powder, and move it into the garbage storage bin 3a for standby;

[0047] (3) Drying: Add 600kg of high-temperature-resistant Bacillus subtilis to the crushed kitchen waste as a desiccant, mix it in the material mixer 4, and then move it to the drying device 5 for drying for 15 hours. During this period, turn over and mix once every 6 hours;

[0048] (4) Compression: the dried rubbish enters the moisture content regulator 6, adds rice husks to adjust the moisture content to 30%, and the resulting mixture is compacted into a solid fuel with a molding machine 7.

[0049] The mixture obtained after drying in step (3) can be recycled as a desiccant in the next drying step, and the garbage mixture recycled as a desiccant is moved into ...

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Abstract

The invention discloses a method for recycling food waste. The method comprises the following steps: (1) sorting: mechanically sorting and removing unusable inorganic solids in the food waste; (2) crushing: removing impurities The final food waste is mechanically crushed to powder; (3) Drying: add a desiccant to the crushed food waste for drying; (4) Forming: add the mixture obtained after adding auxiliary materials to the dried waste, and the mixture Compaction into solid fuel. The desiccant is high-temperature-resistant Bacillus subtilis, and the calorific value of the obtained solid fuel is above 4000 kcal / kg. The food waste resource treatment method does not need mechanical dehydration in the treatment process, does not generate sewage, and effectively improves the odor problem in the waste treatment process. It has the characteristics of simple treatment process, low treatment cost, energy saving, and increased economic benefits. The problem of chemicalization and harmlessness.

Description

technical field [0001] The invention belongs to the technical field of kitchen waste treatment, and in particular relates to a method for producing solid fuel by recycling food waste. Background technique [0002] With the acceleration of the urbanization process, especially the rapid development of the catering industry, the amount of food waste generated is gradually increasing. The amount of food waste produced in China is about 90 million tons every year. Food waste is increasingly becoming a problem for urban development and residents' health. socialization issues. In recent years, due to the lack of effective management and control measures for food waste and the lagging of food waste treatment technology, etc., the accumulation of food waste has seriously affected the living environment. There are also a group of illegal businesses using kitchen waste to illegally refine gutter oil, which seriously disrupts the social sanitation management order and damages the physi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L5/46
CPCY02E50/10Y02E50/30
Inventor 胡湛波
Owner GUANGXI UNIV
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