Biological comprehensive treatment for kitchen refuse

Abstract

The invention is concerned with the integration disposal technics, it is: the food rubbish is the material, uses steam to process heat, remove oil, antisepsis, microbe solid - liquid zymolysis, distills oil separately, the solid component in rubbish transforms into biology active albumen feed by conduce animalcule multi-bacterium solid zymolysis, the liquid component transforms into liquid biology bacterium fertilizer by two times zymolysis. The invention can solve the problem of food rubbish, provide the lipid material, the biology feed and bacterium fertilizer for agriculture and industry.

Description

technical field [0001] The invention relates to a new process technology that uses kitchen waste as raw material, adopts steam heating to degreasing and disinfection, microbial solid-liquid fermentation and other comprehensive treatment techniques, separates and extracts oil, and converts solid components in waste through solid fermentation of beneficial microorganisms and multi-bacteria species It is a production process in which the liquid component is transformed into a liquid biological bacterial fertilizer through a secondary fermentation process into a biologically active protein feed. Background technique [0002] In the present invention, "kitchen waste" refers to food processing leftovers (kitchen waste) and edible residues (swill) produced by families, schools, canteens, and catering industries. Its composition is complex, which is a mixture of oil, water, fruit peel, vegetables, rice noodles, fish, meat, bones, waste tableware, plastic, paper towels and other subs...

AI Technical Summary

Problems solved by technology

[0005] 2. Crushed inline

[0007] At present, my country mainly adopts the first landfill method to deal with kitchen waste. The main problems are that it occupies land, wastes resources, and produces too much leachate, which causes serious secondary pollution.

The second method is to use the kitchen waste processor to crush the waste and discharge it directly into the sewer. The problem is that it is easy to block the water pipe and increase the load of the sewage treatment plant.

The main problem of the third method is that there are too many impurities in the garbage, which cannot be decomposed by composting, which affects the quality of composting. At the same time, the high content of oil and salt in kitchen waste is not conducive to the growth of microorganisms, thus restricting aerobic composting. The treatment effect of the process, and the odor problem is difficult to solve

[0012] Among them, the main problem of the acidification method is that the toxic substances cannot be removed in the later stage of the process, and the power required is large, and the energy consumption is large.

The main problem of the drying oil pressing method is the high cost. Due to the high temperature during the operation, 40% of the oil is vaporized and lost, and the final extraction rate is less than 20%.