While the economy continues to grow, people's living standards are constantly improving, and more and more attention is paid to environmental pollution. With the rapid development of industry and the increase of urban population, a large amount of sludge wastewater is discharged from life and industry. In particular, industrial wastewater emits countless harmful industrial wastewater and residues into the environment every year. The discharge volume is large and the pollution range is wide. Ambient air pollution causes a lot of trouble. In order to promote the prevention and control of water pollution and speed up the improvement of water environment quality, how to classify different toxic substances for reasonable planning? Sludge belt filter press is a good solution to this problem helper. Sludge belt filter press promotes the sustainable and healthy development of industrial economy. It is currently a widely used sludge dewatering equipment. This equipment is widely used in municipal sewage, ceramics, electroplating, papermaking, textile printing and dyeing, metallurgy, pharmaceuticals, Sludge dehydration treatment in food processing, coal washing, petrochemical, chemical, leather, brewing, and other industries is also suitable for solid separation or liquid leaching procedures in industrial production. The machine has the characteristics of saving resources, reasonable structure, adapting to the environment, convenient installation, high efficiency, low cost, corrosion resistance and strong weatherability. The sludge belt filter press produced is highly praised by users in terms of product quality, performance and after-sales service, which makes people feel the charm of the filter press. Sludge belt filter press is one of many models of filter press. Its performance is superior, and it is more suitable for filtering large amounts of filtrate in the industry, so it is loved by many industrial manufacturers. At present, there are many manufacturers of this kind of filter press in my country, but the quality and technology of each manufacturer are different. Users can make judgments according to their own needs and the overall strength and after-sales service level of the manufacturer.