Dry-wet integrated desulfurizing dust remover

Abstract

The invention relates to a dry-wet integrated desulfurizing dust remover comprising a main body on which an air inlet and an air outlet are arranged. The air inlet is connected with a bag type dust removing device connected with a water film desulfurizing and dust removing device, and the water film desulfurizing and dust removing device is connected with the air outlet; and a discharging room isarranged below the bag type dust removing device, the water film desulfurizing and dust removing device is provided with a sedimentation basin, the lower part of the sedimentation basin is connected to the discharging room, the upper end of the sedimentation basin is connected with a rapid sedimentation tank, the lower part of the rapid sedimentation tank is connected to the discharging room, andthe upper part of the rapid sedimentation tank is connected with a clear water tank connected with the water film desulfurizing and dust removing device. Because the bag type dust removal and the water film desulfurization and dust removal are integrated, the invention reduces occupied area and equipment investment cost, the dust removing efficiency is above 99.5%, and the desulfurizing efficiency is above 75%. In addition, the invention also solves the problem of pollution, reasonably utilizes sludge discharged by the water film desulfurizing and dust removing device to prevent secondary pollution, and simultaneously saves water resources.

Description

(1) Technical field [0001] The invention relates to a dust remover, in particular to a desulfurization dust remover for purifying flue dust from a boiler. (2) Background technology [0002] There are many dedusting equipment in metallurgy and chemical industries, such as bag filter, water film deduster, electrostatic precipitator, etc., which have or only have dedusting function, no desulfurization function, or the dedusting effect is not ideal. Many improvements have been made to these dust collectors in the prior art. For example, the date of authorization announcement was August 13, 2008, and the patent number is 200720091610.2. A utility model patent for a water film desulfurization atomization dust collector, including a dust removal cylinder The top of the dust removal cylinder is provided with a smoke and dust inlet, the lower side wall is provided with a smoke and dust outlet, the bottom is provided with a drain, and the inner wall of the dust removal cylinder below ...

AI Technical Summary

Problems solved by technology

[0003] In general, the existing equipment only has bag dust removal or water film desulfurization and dust removal. Although the technologies of bag dust removal and water film desulfurization and dust removal are relatively mature, especially for the characteristics of high emission concentration and fine particles after pulverized coal boilers, simple Bag dust removal and water film desulfurization and dust removal still cannot completely clean the smoke and dust. With the deepening of the concept of environmental protection, people's requirements for environmental protection are becoming more and more urgent, and the country's requirements for smoke and dust emissions are getting higher and higher. Usually, these dust removal The devices are connected in series to achieve the purpose of dust removal, but the equipment is large in size, occupies a large area, and has a large power loss, and the bag dust removal is dry powder discharge, which needs to be moistened to avoid secondary pollution. The water film desulfurization and dust removal outlet is connected to the underground sedimentation pool. Carry out secondary pollution to the ground

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