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Method of preparing humus from kitchen waste

A technology of kitchen waste and humus, applied in the direction of chemical instruments and methods, solid waste removal, recycling technology, etc., can solve the problems of urban waste waste, heavy burden on local finance, and no unified treatment method, etc., and achieve nutrient High, the effect of reducing environmental pollution

Pending Publication Date: 2020-10-02
HUBEI JUNJI WATER TREATMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Incineration and landfill cannot realize the resource utilization of urban waste, which is a great waste of urban waste and brings a heavy burden to local finance
The existing technology for kitchen waste, agricultural and forestry solid waste, and excess sludge is treated separately, and there is no unified treatment method. It is urgent to find a unified resource treatment method

Method used

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  • Method of preparing humus from kitchen waste
  • Method of preparing humus from kitchen waste
  • Method of preparing humus from kitchen waste

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A method for preparing humus from food waste. In terms of mass percentage, the fermentation materials include: 60% food waste, 20% agricultural and forestry solid waste, and 20% residual sludge. The total mass is 1 ton. Put 60% of food waste and 20% of agricultural and forestry solid waste into a 240L standard trash bin, lift and weigh them, and pour them into the sorting device. Through rapid sorting, plastic bags, iron blocks, glass and other impurities are sorted out. The sorted materials are transported to the compression-shearing-crushing device by the chain plate, and are broken into materials with a particle size of 5mm according to the garbage composition and particle size; the crushed material is mixed with 20% of the remaining sludge and transported to the Dehydration device, the moisture content of the mixture after dehydration is 55%, and the liquid is discharged into the liquid storage tank. After the water quality reaches the sewage discharge standard, it e...

Embodiment 2

[0035]A method for preparing humus from food waste. In terms of mass ratio, the fermentation materials include: 70% food waste, 10% agricultural and forestry solid waste, and 20% residual sludge. The total mass is 5 tons. Put 70% of food waste and 10% of agricultural and forestry solid waste into a 240L standard trash bin, lift and weigh them, and pour them into the sorting device. Through rapid sorting, plastic bags, iron blocks, glass and other impurities are sorted out. The sorted materials are transported to the compression-shearing-crushing device by the chain plate, and are broken into materials with a particle size of 8mm according to the garbage composition and particle size; the crushed material is mixed with 20% of the remaining sludge and transported to the Dehydration device, the moisture content of the mixture after dehydration is 60%, and the liquid is discharged into the liquid storage tank. After the water quality reaches the sewage discharge standard, it enters...

Embodiment 3

[0039] A method for preparing humus from food waste. In terms of mass ratio, the fermentation materials include: 65% food waste, 25% agricultural and forestry solid waste, and 10% residual sludge. The total mass is 3 tons. Put 65% of food waste and 25% of agricultural and forestry solid waste into a 240L standard trash can, lift and weigh them, and pour them into the sorting device. Through rapid sorting, plastic bags, iron blocks, glass and other impurities are sorted out. The sorted materials are transported to the compression-shearing-crushing device by the chain plate, and are broken into materials with a particle size of 8mm according to the garbage composition and particle size; the crushed material is mixed with 10% of the remaining sludge and transported to the Dehydration device, the water content of the mixture after dehydration is 50%, and the liquid is discharged into the liquid storage tank. After the water quality reaches the sewage discharge standard, it enters t...

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Abstract

The invention relates to the industry of urban and garden greening and particularly discloses a method of preparing humus from kitchen waste. The method comprises the following steps: carrying out sorting, compressing, cutting and crushing on kitchen waste and agriculture and forestry solid waste to form material with the size being 5-10 mm; mixing the material with the excess sludge, dewatering,inoculating an efficient microbial agent, and carrying out thermophilic fermentation and thorough decomposition to form humus, wherein according to the mass percent, the kitchen waste accounts for 60-70%, the agriculture and forestry solid waste accounts for 10-25%, and the balance is the excess sludge. The kitchen waste, the agriculture and forestry solid waste and the excess sludge are wastes, are large in quantity, are taken as the raw material to produce organic humus and can be used for soil improvement and urban and garden greening, so that environmental pollution caused by wastes can bereduced, and waste material can be changed into things of value. After fermentation, humus shaped organic matter is formed and is loose in texture and high in nutrient; and the organic matter and other indexes can reach the standard of Planting Soil for Greening (CJ / T 340-2016), and the method can be used for urban and garden greening.

Description

technical field [0001] The invention relates to the city and landscaping industry, and specifically discloses a method for preparing humus from kitchen waste. Background technique [0002] Food waste, agricultural and forestry solid waste, and excess sludge are the main components of municipal solid waste. How to deal with food waste, agricultural and forestry solid waste, and excess sludge has become a research hotspot at home and abroad. With the development of my country's economy, people's daily diet and consumption activities have produced a large amount of domestic waste. The increase in population and the continuous growth of cities have led to an astonishing amount of urban domestic waste generated every year. As a part of urban domestic waste, the proportion of kitchen waste is increasing year by year. In large cities such as Beijing, the proportion of kitchen waste Up to more than 60%, the daily output of kitchen waste in Shanghai, Beijing and other big cities is ...

Claims

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Application Information

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IPC IPC(8): B09B3/00B09B5/00
CPCB09B3/00B09B5/00B09B3/80Y02W30/78
Inventor 刘鲁建王威张岚欣董俊熊蔚张双峰曹斌强宋劲强黄胜徐平
Owner HUBEI JUNJI WATER TREATMENT
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