A grease scrubber for reducing dioxin content in waste incineration tail gas

Abstract

The invention discloses a fat washing tower capable of reducing content of dioxin in waste incineration tail gas. The fat washing tower comprises a fat washing tank which is a hollow cylinder, whereinthe upper end of the fat washing tank is open; the upper end of the outer side surface of the fat washing tank is clamped with a clamping slot in the lower surface of an upper cover; a gas outlet inthe upper surface of the upper cover is communicated with a gas inlet of an air flow meter through a guide pipe; a gas outlet of the air flow meter is communicated with a gas inlet of an electromagnetic control valve through a guide pipe; three height adjusting support legs are uniformly distributed on the lower surface of the fat washing tank; plane bearings are arranged at the lower ends of thethree height adjusting support legs. Based on fat solubility of dioxin, the fat washing tower capable of reducing the content of dioxin in the waste incineration tail gas adopts absorptive fat to absorb dioxin in the waste incineration tail gas, tail gas bubbles become small bubbles by the aid of stirring blades, so that the contact area of the tail gas and the absorptive fat is increased, dioxinand the absorptive fat are contacted sufficiently, the absorptive fat has a good absorption effect on dioxin, and atmosphere is prevented from being polluted.

Description

technical field [0001] The invention relates to the technical field of waste incineration tail gas treatment, in particular to a grease washing tower for reducing the dioxin content in waste incineration tail gas. Background technique [0002] The waste incineration treatment method is a process in which the waste is oxidized at a high temperature to reduce its volume through appropriate thermal decomposition, incineration, melting, etc., and becomes a residue or a process of molten solid matter, and the heat generated by waste incineration can be recovered to achieve the goal of recycling waste. Purpose. Garbage incineration is a traditional method of dealing with garbage. Because the waste incineration method has a significant reduction effect, saves land, can also eliminate various pathogens, and convert toxic and harmful substances into harmless ones, so the garbage incineration method has become It has become one of the main methods of urban waste disposal. For garbag...

AI Technical Summary

Problems solved by technology

For garbage incineration, the temperature in the furnace is generally controlled at higher than 850°C. After incineration, the volume ratio can be reduced by 50-80%. The combustible garbage collected by classification can even be reduced by 90%. Dioxin, a kind of highly toxic substance that is difficult to handle, is easily produced in the process of garbage incineration below 850°C, and its toxicity is equivalent to 130 times that of the well-known highly toxic substance cyanide and 900 times that of arsenic , a large number of animal experiments have shown that very low concentrations of dioxins have lethal effects on animals; dioxins seriously affect environmental safety

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