Sticky smoke dust removal system and method for actively regenerating pre-sprayed powder for coke oven

Abstract

The invention relates to a sticky smoke dust removal system and method for actively regenerating pre-sprayed powder for a coke oven. The tops of bag type dust removers are provided with purified gas outlets; the purified gas outlets are connected with a dust removal fan, a muffler and a chimney in sequence; the lower parts of dust removal chambers of the bag type dust removers are provided with smoke dust inlets; the smoke dust inlets are connected with dust remover inlet pipelines; the dust remover inlet pipelines in front of the smoke dust inlets are provided with pre-sprayed powder inlets;the pre-sprayed powder inlets are connected with a powder exhaust nozzle of a powder active regeneration and jetting integrated device through powder conveying pipelines; the bottoms of ash bins of the bag type dust removers are provided with ash outlets; the ash outlets are connected with a mill dust inlet and a mill dust bin of the powder active regeneration and jetting integrated device respectively through a scraper. The sticky smoke dust removal system is used, through configuring the powder active regeneration and jetting integrated device, for realizing the automatic addition, the excess material outward delivery, the active pyrolysis and regeneration, the automatic spray coating, the output amount regulation and the recycling of the pre-sprayed powder in the dust removal system; the pre-sprayed powder does not need to be externally supplemented, and thus, the reliable and stable running of the dust removal system is ensured.

Description

technical field [0001] The invention relates to the technical field of coking production, in particular to a coke oven viscous smoke dust removal system and method for active regeneration of pre-spray powder. Background technique [0002] With the improvement of domestic environmental protection standards year by year, coke oven smoke control has become one of the conditions for access to the coking industry. The coke ovens of coking plants at home and abroad have adopted smoke and dust control measures for coal charging, coke discharge, and smoke at the furnace end of the machine. The control measures are mainly based on the supporting coke oven dust removal ground station. [0003] The smoke and dust produced when the coke oven is charged with coal and the furnace smoke produced when the furnace door is removed are slightly different from those produced when the coke is discharged. The former contains a small amount of viscous substances such as fly ash, tar and other oily...

AI Technical Summary

Problems solved by technology

[0005] Limited by the floor space of the dust removal ground station, the storage capacity of the pre-spraying powder warehouse is limited. Due to the large demand for pre-spraying powders, the need for frequent foreign shipments and replenishment, the labor intensity of workers is high, and the actual operation of Sinotrans powders cannot guarantee the use of demand in time. In this way, many dust removal ground stations cannot guarantee enough pre-spray powder in actual operation

This brings certain hidden dangers to the safe, reliable and long-term stable operation of the dust removal ground station.

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