Description Overview Complex plant for dewatering of sewage sludge from cardboard and tissue Plant started in two stages: in 2003 and in 2005 As at 2016 all 8 screw presses are in operation In June 2003 first part of the equipment was started In November 2005 second part of the plant was started First Stage Equipment (2003) 6 pieces screw press – Rotamat-ROS 3/2 Production rate: 500 kg/h Number of revolutions of the screw: 0-6 rpm, can be regulated Scope consistency on the input of the station: 2.5-3.0% The dry matter content (guaranteed value): ≥ 45% Separation efficiency: 95% Flocculants consumption: 1-3 g/kg DR Material: steel, stainless steel Drive power: 4.4 kWt, IP65 Filter surface cleaning mechanism drive power: 0.04 kWt, IP65 RPM: 8.7 Dimensions: 4,960 x 2,300 x 2,450 mm (with flocculation reactor), 3,560 x 2,300 x 2,450 mm (without flocculation reactor) Weight: 2,800 kg, 4,000 kg filled 3 pieces stabilization flocculation reactor with mixer Volume: 300 liters Empty weight: 120 kg Weight in operation: 350 kg Material – stainless steel 4 pieces electric and control boxes With control system, based on Siemens PLC and touchscreen 2 set flocculant preparing station with 3 chambers Ultromat AT/96 (Germany) Q = 4,000 L/h, 0.5% flocculant solution Body material: PVC Fresh water consumption: 0-10 m³/h Dosing device: 1.7 L/h, N-0.25 kWt Mixer: power – 0.75 kWt, rotation frequency – 30 rpm, IP55 3 pieces under watering sludge feed pump Seepex 52-62 BN Production rate: 6-50 m³/h Feeding material: sludge with consistency 2.5-5% (dry weight) Suction height: 1-2 m of water column Pressure: 20 m of water column Rotation frequency: 73-726 rpm Power: 4 kWt, IP55 3 pieces coagulant dosing pump Seepex 1.6 LBN Production rate: 110-2,200 L/h Suction height: 1-2 m of water column Pressure: 10-20 m of water column Rotation frequency: 35-620 rpm Thermo protection device to avoid “dry” work: TST 120 Regulated drive: 0.75 kWt, IP55 Weight: 33 kg 3 pieces static mixer Consumption: 150 L/min Pressure: 10 bar (maximum) 6 pieces electrical flow meters DN25: 3 pieces DN80: 3 pieces 2 pieces belt conveyor Length 18 m: 1 piece Length 22 m: 1 piece Second Stage Equipment (2005) 2 pieces screw press Rotamat-ROS 3/2 1 piece stabilization flocculation reactor with mixer 1 piece control box with PLC and touch screen 1 piece screw dosing pump for flocculants solution Seepex 1 piece flow meter for the sludge 1 piece flow meter for flocculants solution 1 piece device for flocculants additional dilution Spare Parts Big filter basket: 4 pieces (screens need to be repaired) Small filter basket: 4 pieces (screens need to be repaired)
