Environment-friendly equipment for treating pouring smoke dust of submerged arc furnace

Abstract

The invention belongs to the technical field of smoke dust treatment, and particularly relates to environment-friendly equipment for treating pouring smoke dust of a submerged arc furnace. The equipment comprises an air inlet pipe, and a water cooling mechanism is connected to one side of the air inlet pipe. A first guide pipe is connected to the side, away from the air inlet pipe, of the water cooling mechanism. A cloth bag dust removal mechanism is connected to the side, away from the water cooling mechanism, of the first guide pipe. A mounting plate is arranged on the side, away from the first guide pipe, of the cloth bag dust removal mechanism. A fan is fixedly mounted at the top of the mounting plate, an air inlet end and an air outlet end are arranged on the fan, and a second guide pipe and a third guide pipe are respectively arranged at the air inlet end and the air outlet end of the fan. The equipment is high in practicability, high-temperature flue gas can be cooled firstly and then filtered, the flue gas with high temperature, high viscosity, fine dust particles, high specific resistance and light volume weight can be treated, and it is guaranteed that the flue gas can meet the requirement for environment-friendly emission.

Description

technical field [0001] The invention relates to the technical field of smoke and dust treatment, in particular to an environment-friendly equipment for treating smoke and dust in submerged arc furnace pouring. Background technique [0002] Submerged arc furnace is also called arc electric furnace or resistance electric furnace. It is mainly used to reduce smelting ore, carbonaceous reducing agent and solvent and other raw materials. At present, many submerged arc furnaces lack smoke and dust control environmental protection equipment or equipment is not perfect. Because submerged arc furnace is in the smelting process The flue gas volume, dust volume, and flue gas temperature and other parameters in various periods such as the middle feeding period and the smoldering period vary greatly. Under the action of the fan, the flue gas temperature can reach 180 degrees, and sparks may be entrained. The flue dust temperature is high, the viscosity is large, the dust particles are fi...

AI Technical Summary

Problems solved by technology

[0002] Submerged arc furnace is also called arc electric furnace or resistance electric furnace. It is mainly used to reduce smelting ore, carbonaceous reducing agent and solvent and other raw materials. At present, many submerged arc furnaces lack smoke and dust control environmental protection equipment or equipment is not perfect. Because submerged arc furnace is in the smelting process The flue gas volume, dust volume, and flue gas temperature and other parameters in various periods such as the middle feeding period and the smoldering period vary greatly. Under the action of the fan, the flue gas temperature can reach 180 degrees, and sparks may be entrained. The flue dust temperature is high, the viscosity is large, the dust particles are fine, the specific resistance is high, and the bulk density is light. These characteristics have brought great difficulties to the dust removal system.

[0003] However, in the traditional fume electrostatic precipitator treatment method, because electric precipitator has strict requirements on the process parameters of the soot, it is generally necessary to temper the flue gas to achieve the expected dust removal efficiency, and the soot from the submerged arc furnace is not suitable for treatment. Therefore, if the fine smoke dust with high specific resistance is not adopted in a new way, it is not suitable to use electric dust removal to purify

However, the low efficiency of wet dust removal will bring secondary pollution, which is also not advisable.

Images