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Filter Press Dedicated for Steel Waste Water

The chlor-alkali industry is a basic chemical raw material industry and occupies an important position in the national economy. Its main products caustic soda, chlorine, and hydrogen are widely used in light industry, chemical industry, prevention, building materials, agriculture, electronics, national defense, military industry, metallurgy and food processing, etc. Various sectors of the national economy.

1. Overview of filter press dedicated for steel waste water

The chlor-alkali industry is a basic chemical raw material industry and occupies an important position in the national economy. Its main products caustic soda, chlorine, and hydrogen are widely used in light industry, chemical industry, prevention, building materials, agriculture, electronics, national defense, military industry, metallurgy and food processing, etc. Various sectors of the national economy. Among the basic chemical raw materials, the chlor-alkali industry occupies two kinds of caustic soda and hydrochloric acid. Its main raw materials are mercury-containing and non-mercury raw salts. The waste generated includes coal ash, waste calcium carbide slag, waste salt mud, Direct discharge of mercury-containing waste activated carbon, adsorber activated carbon and waste catalyst, waste water treatment sludge, salt sludge sewage and waste gas, etc. will have a greater adverse impact on the environment.


2. Advantages of filter press dedicated for steel waste water

Sudong filter press has a market share of more than 80% in the chlor-alkali chemical industry, especially the patented composite rubber plate filter press has obvious advantages. The filter plate of this series of filter press has good sealing performance, corrosion resistance, aging resistance, high temperature resistance, high pressure resistance, stable structure performance, and a service life of more than 5 years. The frame of the filter plate can be re-adhesive and recycled for multiple times, and the annual comprehensive maintenance cost is low. It has been used by large domestic and foreign chemical companies such as Beiyuan Group, Yihua Group, and Yili Resources, and has won unanimous praise from users.


3. Selection of filter press dedicated for steel waste water

Selection of filter press dedicated for steel waste water

There are many products in the chlor-alkali industry, and the characteristics of the materials to be filtered are different. Different filter presses can be selected according to different products to meet different requirements. We recommend the following to our customers:


Calcium carbide slag, salt mud, bleaching powder, can choose a composite rubber plate chamber filter press, the main feature of this filter press is: the composite rubber filter plate is made of high-quality neoprene through scientific formula mixing and modification, and then a large rubber vulcanizing machine is used It is vulcanized and compounded on a steel framework. The filter plate has good strength and does not deform, and is equipped with mutually compatible hardness and elasticity, which effectively solves the problem of poor sealing performance once the sealing surface of the filter plate of the reinforced polypropylene filter press sticks to the material. High material pressure will cause the defects of high water content of spray material and filter cake. , The moisture content of the above-mentioned materials processed by the composite rubber plate filter press is about 5-10% lower than that of the reinforced polypropylene filter press. In addition, the composite rubber filter plate filter press has reasonable elasticity due to the filter plate, so there is no need to clean the sealing surface. Increase the labor intensity of workers. When the above materials are filtered using a composite rubber plate filter press, only a feed pressure of about 0.6Mpa is used to feed. After the feeding is completed, the filter cake is purged with compressed air of about 0.8Mpa to control the moisture content of the filter cake. Around 30%.


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Jiangsu Sudong Chemical Machinery Co., Ltd. was established in June 1956. It has been engaged in the research, design and manufacture of filter presses for more than 30 years.
 Top 10  brands of filter press in China
 Solid liquid separation engineering technology research center

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