Domestic waste incinerator from the incineration system, garbage pretreatment system, gas furnace and smoke biochemical dust removal system composed of four systems. Automatic feeding control, sub-sieving, drying, burning, cleaning, dust removal, automatic control in one, the use of high-temperature combustion, the second increase of oxygen, automatic dumping of high-tech measures to meet the sewage monitoring requirements.
At present, most of our urban waste disposal methods are still used in the traditional landfill and very few cities with very immature biochemical composting approach. There are many shortcomings in the way these municipal solid waste treatment, the same has been faced with many difficulties. Such as the choice of landfill site is that the appropriate site is also likely to cause the site around the secondary pollution of groundwater resources and the surrounding environment pollution, garbage landfill to produce biogas and the atmosphere caused very serious pollution. As far as we know the current use of garbage in China's biochemical composting to deal with the scale of municipal solid waste and the real success of the project is almost no.
At present, the domestic municipal solid waste disposal model presents three characteristics: First, the amount of garbage, garbage production According to incomplete statistics has more than 150 million tons, with China's sustained rapid economic development, the rapid increase in urban population, The output of municipal solid waste is also increased in a large amount; the second is the garbage components are complex, the main components are divided into several categories, that can rot organic matter, combustible organic matter, inorganic, incombustible (such as metal, ceramics) ; Third is the difference in calorific value of regional waste. It is closely related to the main civilian fuel, economic development and living standards in this urban area.
Foreign waste incineration technology started earlier, has developed for nearly a hundred years, domestic waste treatment technology and equipment has been more mature. At present, there are three main forms of incineration in foreign countries: layer combustion, fluidized suspension combustion and boiling suspended combustion. Common incinerators for waste incineration are: mechanical grate incinerators, pyrolysis incinerators, rotary kiln incinerators and fluidized bed incinerators. There are many advantages to the circulating fluidized bed from incineration, but there are many problems in the treatment of low calorific value municipal solid waste in China.
For this reason, many local governments with certain economic strength adopt the "harmless, reduced, resource-based, waste incinerator + power generation" approach, and achieved good social and economic benefits, so that the local city of garbage Of the environmental pollution has been a better solution, and the use of national policies to encourage the waste disposal enterprises to ensure that a certain economic benefits.
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