Sewage plant sludge is organic sludge with less sand and gravel and high hydrophilicity. The same volume of sewage plant sludge after squeezing and dehydration is smaller in volume and mass than sand field and mine mud after dehydration. It is recommended to use our company's concentrated integrated LDNS model belt filter press, which has the characteristics of small footprint, strong dehydration and squeezing performance, and large processing capacity, and is suitable for sewage station sludge dehydration treatment.