Based on the introduced advanced technology, DNY belt filter press is developed and designed based on DY belt filter press. DNY belt filter press is one ideal sludge-dewatering equipment which is widely used in chemical, coal, paper making, food staff, urban sewage industry. It's also can used for as a liquid-solid separating machine. It features in high efficiency, good dewatering effects and low consumption. Using this kind of DNY belt filter press, no need of concentrating pond, thus saving the investment and saving floor area..