Negative-pressure large-cloth-bag dust removal device for industrial silicon submerged arc furnace

Abstract

The invention discloses an industrial silicon submerged arc furnace negative pressure large cloth bag dust removal device, which comprises a dust removal assembly, a sealing cover, a buckle bolt, an external filter assembly, an extension pipe and an induced draft fan assembly, and is characterized in that air in the dust removal assembly is extracted by utilizing an air extracting pump and air extracting fan blades, so that negative pressure is formed in the dust removal assembly; smoke gas is filtered and separated for the first time through a dust removal cloth bag assembly in the dust removal assembly, and is filtered and separated for the second time at a dust collection net in an external filter assembly on the right lower side of the dust removal assembly, and meanwhile, an adjusting water tank is arranged in the induced draft fan assembly, and purified water in a water tank shell is heated and evaporated through a heating coil; the internal humidity of the assembly shell is improved, after entering the induced draft fan assembly, part of smoke dust is combined with water vapor in air and settles in the adjusting water tank, the multi-stage filtering mode is adopted, the smoke dust gas filtering capacity is effectively improved, meanwhile, the mode that filtering and wet settling are conducted in parallel is adopted, and the filtering load of the dust removal cloth bag assembly is effectively reduced.

Description

technical field [0001] The invention relates to the technical field of submerged arc furnaces, in particular to a negative pressure large bag dust removal device for industrial silicon submerged arc furnaces. Background technique [0002] The submerged arc furnace is a kind of industrial chemical raw material smelting equipment commonly used in the metallurgical industry. During the normal operation of the equipment, a large amount of smoke and dust will be generated, and the smoke and dust contains various substances. If such smoke and dust are not treated and discharged, the It is easy to pollute the environment, and this type of smoke is usually cleaned and filtered by special negative pressure large bag dust removal equipment. [0003] Patent No. CN202120024418.1 provides a submerged arc furnace smoke and dust treatment back blowing suction air inner filter large bag negative pressure dust removal system, through back blowing and back suction ash transporting and ash cle...

AI Technical Summary

Problems solved by technology

[0005] 1. In the actual process of negative pressure dust cleaning, due to the leakage of the large cloth bag, the dust can pass through the large cloth bag, which will affect the induced draft fan, and then lead to the direct discharge of such dust and environmental pollution;

[0006] 2. In the process of negative pressure cleaning of the equipment, the method of cleaning dust is usually filtered by a large cloth bag. The filtering method is single, which easily leads to a high filtration load of the large cloth bag.

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