Kitchen organic waste completely-recycling biological treatment technology

Abstract

The invention discloses a kitchen organic waste recycling biological treatment technology. The technology comprises the following steps of: 1, feeding kitchen garbage into a foreign matter sorting system in a supplied material storage groove through a conveyer belt and sorting organic garbage, organic garbage waste water and inorganic garbage from the kitchen garbage; 2, conveying the sorted organic garbage to a high-temperature biological treatment system through a conveyer belt, inputting temperature of 60-80 DEG C by using hot water heat storage equipment and decomposing organichigh molecular substances into low molecular substances to generate a fertilizer with the water content of less than or equal to 10 percent; 3, feeding the organic garbage waste water into a kitchen organic waste water biomass energy treatment system, mixing with straw biomass until the water content is 50-60 percent and adding high-temperature strains to generate a biomass energy fuel, wherein the biomass energy fuel is supplied to a biomass energy furnace for supplying heat or taken as a supplementary heat source of a solar heat supply system; and 4, feeding the generated fertilizer into a screening and blending system for screening and blending to obtain a finished product for warehousing.

Description

technical field [0001] The invention relates to a biological treatment technology of organic waste, in particular to a biological treatment technology of kitchen organic waste without surplus resources. Background technique [0002] Centralized treatment of kitchen waste has become a project that local governments in my country attach great importance to. Due to the uniqueness of Chinese food culture, the moisture content of organic kitchen waste in all parts of my country is very high, generally greater than 80%. The content of organic waste wastewater is complex, and it is difficult to treat the wastewater to meet the discharge standards. So far, in the centralized treatment of food waste, the general treatment methods currently used for organic waste water: 1. Separate the food waste from The wastewater that comes out is directly discharged into the urban domestic wastewater sewer without any treatment. Its disadvantages are: those that do not meet the requirements of envi...

AI Technical Summary

Problems solved by technology

Its disadvantages are: those that do not meet the requirements of environmental protection are the discharge forms prohibited by the state; 2. The waste water separated from the kitchen waste is separated by oil and water, and the separated oil is used as raw material for industrial oil or processed into biological waste. Diesel is used as fuel, and the separated wastewater is treated and then discharged to the sewer of urban domestic wastewater

Its disadvantages are: the investment of biodiesel extraction is large, the production cost is high, and the fuel can only be used for self-use, and it is difficult to enter the oil product sales pipeline; at the same time, it is difficult to meet the discharge requirements stipulated by the national environmental protection monitoring standards; 3. Disposal of kitchen waste Without solid-liquid separation, anaerobic fermentation method is used to produce biogas as fuel and biogas residue as organic fertilizer

Its disadvantages are: the anaerobic fermentation takes a long time, and because the fermentation temperature is lower than 60°C, it is difficult to kill harmful bacteria and insects, and it is difficult to meet the requirements of "harmless treatment", and secondary pollution is easy to occur during the treatment process; the generated biogas is only easy to For self-heating, it is difficult to enter the sales channel for sale. If biogas residue is used as organic fertilizer, its quality is also very low, and most of it is sent to landfill for landfill, which is easy to cause serious pollution to the environment and groundwater

Images