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Optimization Measures of Rural Domestic Refuse

Release time:2017-03-15Author:admin

Domestic waste disposal is a major issue related to environmental pollution, the field of life of civil waste centralized treatment must use a professional waste incineration equipment to do incineration, but also must comply with the State Environmental Protection Agency and the relevant environmental protection departments for equipment parameters and Operational specifications and strict implementation. According to the characteristics of rural solid waste, China has carried out a series of research on the characteristics of waste incineration and secondary pollution, forming a new technology for the integration of domestic waste circulating fluidized bed clean incineration power generation.

From the perspective of the characteristics of Chinese rubbish, the suppression of dioxin generation and the long-term stable operation of incinerator, the technical scheme of adding auxiliary coal burning low calorific value garbage was put forward and realized. This paper has made a comprehensive and in-depth study on the typical refuse composition, combustion characteristics and pollutant, especially dioxin emissions mechanism of Chinese cities. On this basis, the successful development of circulating fluidized bed incineration integrated treatment technology suitable for China's national conditions has been developed.

Select the appropriate furnace temperature, the use of special secondary air distribution and gas solid residence time control furnace combustion pollution optimization measures, combined with exhaust gas purification technology to fully prevent secondary pollution emissions, so that dioxin emissions to the world The most stringent EU standards. The system integration technology including waste pretreatment, waste feeding, slag sorting, incineration thermal control, tail gas purification and so on, forming a single incineration capacity of 150 per day, with the exception of circulating fluidized bed incineration technology Ton -400 tons of the series of technology, can be applied to different needs of large and medium-sized cities.

It is proved that some components of coal can inhibit the formation of dioxin in combustion. By adjusting the proportion of coal blending to adapt to the change of waste calorie value, the stable amount of garbage can be ensured. At the same time, The operation of the fluidized bed incinerator proves that coal burning incineration can significantly reduce the high temperature corrosion of the heating surface, thus increasing the temperature of the superheated steam and prolonging the service life of the superheater. Landfill leachate using the way back to the furnace, to minimize the landfill leachate treatment, improve the comprehensive environmental benefits and economy.

The localization rate of the whole engineering system is 100%, and the investment cost is equivalent to 1/2% of the developed countries' waste incineration power plant. It is a low cost and high efficiency environmental protection technology which conforms to our national conditions and has a practical value.

Compared with the existing technology at home and abroad, this technology has the advantages of high combustion efficiency, wide load regulation range, low pollutant discharge, high burning heat intensity in domestic waste incinerator, and is particularly suitable for burning multi-component high moisture low calorific value of Chinese life Rubbish. Jiangsu Zhaolui Environmental Protection Technology Co., Ltd. for the treatment of garbage has been deeply studied, they consider not only try to waste garbage disposal, but also to be harmless and resource-based, garbage incinerator is very good Both of these problems are solved.

Household waste incinerator incineration standard: Reference standard CJ / T118-2000 Domestic waste incinerator GB / T18750-2002 Domestic waste incineration boiler GB18485-2001 Municipal Solid Waste Incineration Pollution Control Standard JB [2001] 213 Municipal Solid Waste Incineration Project Construction Standard.

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