Description: Roping twisting machine belongs to Pulping System of paper machinery and is a more advanced Pulping System.   Roping twisting machine is a kind of equipment for roughing and purifying and is used together with hydrapulper, making the impurities of the waste papers (e.g. iron wires, string, plastic, cotton yarn, etc.) constantly rotating and winding in the running process of the hydrapulper to form a rope which then is pulled out and discharged continuously, thus making the pulp stock reach a preliminary purification.