Method for preparing special fertilizer by treating kitchen waste, sludge and domestic waste in one machine

A technology for domestic waste and kitchen waste, applied in the treatment of biological organic parts, waste fuel, etc., can solve the problems of difficult sales, long fermentation time, inability to remove cadmium, etc., and achieve the effect of saving separation costs and saving desalination materials.

Inactive Publication Date: 2013-01-23
熊汉夫 +2
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Problems solved by technology

Although the composting method utilizes a variety of nutrients in the sludge, unfortunately, the composting method cannot eliminate the hazards of heavy metals such as cadmium, mercury, lead, chromium, and arsenic, and the content of these five heavy metals is limited by the organic fertilizer standard; That is, the c

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  • Method for preparing special fertilizer by treating kitchen waste, sludge and domestic waste in one machine
  • Method for preparing special fertilizer by treating kitchen waste, sludge and domestic waste in one machine
  • Method for preparing special fertilizer by treating kitchen waste, sludge and domestic waste in one machine

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Embodiment Construction

[0035] Composting process of food waste sludge and domestic waste ( figure 1 ): Household garbage rough separation and deodorization - Sorting out plastics and scrap metal - Adding food waste crushing slurry in the form of mixing water while making organic waste into pulp - Obtaining a homogeneous slurry and adding sludge slurry to mix Stir evenly—pump in and remove heavy metals, dissolve dioxins and anaerobic fermentation equipment for harmless treatment—extrude dehydration, adjust carbon-nitrogen ratio, carbon-phosphorus ratio and pH value and adjust materials—high-temperature mineralization reaction ferment thermophilic bacteria Phagocytosis and decomposition of dioxins and killing pathogenic bacteria to produce raw fertilizers - two element coordination to produce microbial organic fertilizers and special fertilizers for various crops.

[0036] Rough selection and deodorization: Household garbage is sent directly to the rough selection and deodorization workshop. The wall ...

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Abstract

The invention relates to a method for preparing a special fertilizer by treating kitchen waste, sludge and domestic waste in one machine, which comprises the following steps: while sending domestic waste organic substances into a pulping machine, adding slurry, which is obtained by separating out nondegradable substances from the kitchen waste and crushing, and a proper amount of water from a feed port of the machine in a water addition mode, mixing the two wastes into fine uniform slurry, adding the sludge, and evenly stirring; and removing heavy metals, decomposing dioxin, carrying out microbial deep anaerobic fermentation, dehydrating, blending with material with bacteria, fermenting by high-temperature mineralization reaction, and carrying out a double-coordination production technique to produce the microbial organic fertilizer. The invention is beneficial to protecting and improving the ecological environment, can provide a high-quality fertilizer for agriculture, obviously improves the soil, enhances the crop yield and quality, and supports the sustainable development of agriculture. The invention is not only suitable for big cities, but also more suitable for medium and small cities and counties where the quantities of kitchen waste and sewage treatment plant sludge are small and independent treatment for kitchen waste and sludge is not cost-effective economically.

Description

technical field [0001] The invention relates to an organic fertilizer production method, which belongs to the technical field of fertilizer production, in particular to a method for producing special microbial organic fertilizers for various crops through simultaneous processing of kitchen waste, sludge and domestic waste. Background technique [0002] The current situation and existing problems of kitchen waste treatment: According to the information provided by relevant experts interviewed by China Economic Times, 50-60 million tons of kitchen waste is produced in the country every year. Cities are greater than 500 tons / day, 79 large cities are about 200-500 tons / day, and 238 small cities are about 50-100 tons / day. Compared with ordinary garbage, kitchen waste has high water content (70%-90%), high fat content (1%-5%), high salt content (1%-3%), and Rich in starch, fat, protein and other organic matter and other trace elements, it is a resource for making feed and organic...

Claims

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Application Information

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IPC IPC(8): C05F15/00
CPCY02E50/30Y02W30/40
Inventor 熊汉夫杨俊义蒙汉康
Owner 熊汉夫
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