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Electrostatic water membrane dust cleaning method and system

A technology of dust removal system and electrostatic water, applied in separation methods, chemical instruments and methods, membrane technology, etc., can solve problems such as the reduction of dust removal efficiency, and achieve the effect of small occupied space and high degree of integration

Inactive Publication Date: 2019-04-05
江苏宝华环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These conditions will lead to a decrease in dust removal efficiency.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The invention provides an electrostatic water film dedusting method, comprising the following process steps:

[0017] Step a, filter and remove the slag from the industrial waste water heated to a predetermined degree in the boiler, and collect the filtered waste water into the circulating pool;

[0018] Step b, the water in the circulating pool is connected to the overflow tank in the multi-stage dedusting tower through pipelines, and the water overflows into the dedusting tower from the overflow tank;

[0019] Step c, the high-temperature dust-laden waste gas is input from the flue gas inlet of the dust removal tower, sprayed for cooling and dust removal treatment, and the dust particles in the flue gas are discharged from the ash collecting hopper of the dust removal tower along the water flow;

[0020] Step d, the dedusted gas is discharged from the flue gas outlet of the dedusting tower, and the flue gas composition is detected, and the gas without harmful gas is d...

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Abstract

The invention discloses an electrostatic water membrane dust cleaning method and system. The method comprises the following technical processes of connecting water in a circulating pond to an overflowtank of a multi-stage dust cleaning tower through a pipe so that water can overflow into the multi-stage dust cleaning tower via the overflow tank; inputting high-temperature dust-containing waste gas via a flue gas inlet of the dust cleaning tower for spray cooling, dust cleaning and the like. Through unique technological steps, the electrostatic water membrane dust cleaning method can rapidly achieve processes such as cooling, dust cleaning and drying on the high-temperature dust-containing flue gas; the electrostatic water membrane dust cleaning system is high in integration degree, smallin space occupation and applicable of various industrial fields.

Description

technical field [0001] The invention relates to the technical field of industrial dust removal, in particular to an electrostatic water film dust removal method and a dust removal system with novel design and high dust removal efficiency. technical background [0002] An electrostatic precipitator is a commonly used type of electrostatic precipitator, which uses the power generated by an electric field to separate dust particles from the airflow, including dust collection electrodes. In practical applications, the dust removal performance of electrostatic precipitators is mainly affected by three factors: dust properties, equipment structure and flue gas velocity. The specific resistance of dust is an index for evaluating conductivity, which has a direct impact on dust removal efficiency. If the specific resistance is too low, it is difficult for dust particles to remain on the dust collecting electrodes, causing them to return to the airflow. If the specific resistance is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D50/00B01D47/06B01D53/74B09B3/00
CPCB01D50/00B01D47/06B01D53/74B01D2258/02B09B3/00
Inventor 李小刚
Owner 江苏宝华环保科技有限公司