PROJECT CASE

01/01

Basic principle of electrolytic aluminum dust collector

The electrolytic aluminum dust collector is a new and advanced long bag pulse dust collector for the purification of electrolytic aluminum flue gas in the aluminum industry. It adopts two functions of filtration and adsorption purification, and can process alumina and adsorb fluoride. According to the process requirements and dust characteristics, our company not only inherits the advantages of pulse cleaning, but also adopts online cleaning (non-stop wind cleaning) to retain the dust layer on the surface of the filter bag. The accumulated dust can further adsorb fluoride, reduce the emission concentration of fluoride, adapt to the characteristics of aluminum electrolytic flue gas and achieve low emission concentration of fluoride.

Basic principle of electrolytic aluminum dust collector:

description1

Using aluminum electrolysis production raw materials, alumina as adsorbent, and fluoride (mainly hydrogen fluoride) in flue gas as adsorbent, under the set conditions (including solid-gas ratio in the reaction section, reaction time, flue gas flow rate, etc.), alumina is mixed with hydrogen fluoride, and the adsorption of hydrogen fluoride is completed within the time, and a very high purification efficiency is achieved.

First, the relatively poorly active alumina (also called fluorine-carrying alumina) that adsorbs hydrogen fluoride is used to react with the initial flue gas of aluminum electrolysis with high fluorine concentration. The highly active alumina performs a secondary adsorption reaction on the remaining hydrogen fluoride in the flue gas, thereby obtaining a high fluorine purification efficiency.

The reverse two-stage dry adsorption purification technology optimizes the dry adsorption mechanism and achieves the purpose of obtaining fluorine purification efficiency with a lower solid-gas ratio in the reaction stage, thereby reducing the number of cycles of alumina in dry adsorption, avoiding the problems of high alumina breakage rate, increased FE and SI impurities brought in, and high power consumption of the aluminum electrolysis flue gas purification system caused by multiple cycles.

2018-07-16

Faucibus faucibus magna mrieaproine sit metus massa magna.

2018-07-16

Faucibus faucibus magna mrieaproine sit metus massa magna.

2018-07-16

Faucibus faucibus magna mrieaproine sit metus massa magna.

010203