Flue gas purifying system and method

Abstract

The invention discloses a flue gas purifying system and a method. The system comprises a feed bin, a reaction tower and a deduster, wherein, the feed bin is used for transporting the garbage to a garbage incinerator when the garbage amount meets the primary combustion amount of the garbage incinerator; the reaction tower is connected with the garbage incinerator by a pipeline to be used for the flue gas to react with the lime slurry ejected from a rotary sprayer; the deduster is connected with the reaction tower by the pipeline to be used for dedusting of the flue gas treated by the reaction tower. The system of the invention is high in safety, simple in operation, high in purification efficiency and durable in use.

Description

technical field [0001] The invention relates to flue gas purification technology, in particular to a flue gas purification system and method. Background technique [0002] Conventional waste disposal methods include landfill, incineration and composting. Garbage incineration has attracted much attention due to its advantages of complete harmlessness, short processing time, heat recovery and small footprint. The flue gas purification system is the key to the pollution control of waste incineration. After the flue gas is purified, the emission concentration of various pollutants should meet the requirements of the national standard GWKB3-2000. Flue gas purification generally consists of three parts: deacidification, activated carbon adsorption, and dust removal. The processes commonly used at home and abroad are mainly semi-dry method / dry method + bag filter, among which deacidification technology is the core of waste incineration flue gas purification system. [0003] At p...

AI Technical Summary

Problems solved by technology

For large-scale waste treatment equipment, the waste is generally directly added to the waste shredder or incinerator through the filler port. The above structure is not conducive to the immediate shredder to repeatedly crush and grind the waste or add it to the incinerator for incineration. It takes a certain amount of time to crush or incinerate the garbage multiple times. In the existing equipment, the garbage can only be crushed by the reamer in the shredder at one time, and new garbage is added again after burning.

Because if the garbage is not crushed or burned at one time, new garbage will be added at the filling port, and the pulverizer must process the newly input garbage so that the garbage is not completely burned. Therefore, the existing large-scale garbage treatment equipment The garbage cannot be repeatedly crushed or completely burned, unless the garbage is put in once, and new garbage is put in again after a period of time

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