Cấu tạo máy nghiền bi designballmill Tube mill design • General Overview • Drive • Slide Shoe Bearings • Oil Supply System • DIAPOL • Mill Inlet • Mill Discharge • Water Spray Cấu tạo máy nghiền bi designballmill Tube mill design • General Overview • Drive • Slide Shoe Bearings • Oil Supply System • DIAPOL • Mill Inlet • Mill Discharge • Water Spray
Page Tube mill design Training Polysius Headquarters / Germany 19 May – 13 June 2008 Training THALOFA Training THALOFA Page Content: • General Overview • Drive • Slide Shoe Bearings • Oil Supply System • DIAPOL • Mill Inlet • Mill Discharge • Water Spray Training THALOFA Page Content: • General Overview • Drive • Slide Shoe Bearings • Oil Supply System • DIAPOL • Mill Inlet • Mill Discharge Training THALOFA Page The principle of tube mills Rotating Cylinder Inlet Outlet Material flow Input Grinding process Output Training THALOFA Page Rohrmühle Produktstruktur: Trockenmahlung Kammer Luftstrom Ball AG SAG Hubwand Ball Naßmahlung Kammer Kammer Hubwand Mittenaustrag Ball Ball Überlauf Ball SAG Kammer Hubwand Ball Hubwand AG SAG Ball Training THALOFA Page THALOFA Technical Data: • Nominal Diameter • Nominal Length • Nominal Length of Compartment “l” • Nominal Length of Compartment “ll” • Noise (emission) 5600 mm 14500 mm 4000 mm 10500 mm > 90 dBa Training THALOFA Page Mill Types Single compartment Two compartment Air swept Double rotator Training THALOFA Page Ball mill ( Two compartment ) Lifting liners Discharge diaphragm Intermediate diaphragm Classifying liners Mill inlet Mill discharge Compartment: ball filling classified because of liners Compartment: lifting liners & coarse balls Drive Page Training THALOFA Training THALOFA Page 10 Ball mill ( Two compartment ) Low-pressure Page 65 Training THALOFA Page 66 Training THALOFA Page 67 Training THALOFA Training THALOFA Page 68 Grinding aid (Glycol) Water injection Page 69 Training THALOFA Page 70 Training THALOFA Training THALOFA Page 71 Content: • General Overview • Drive • Slide Shoe Bearings • Oil Supply System • DIAPOL • Mill Inlet • Mill Discharge Page 72 Training THALOFA Mill discharge Training THALOFA Page 73 Mill discharge 8.1 8.2 8.3 8.4 8.5 8.6 8.7 Discharge housing Outlet cone supporting structure Inspection door Seal Connecting flange for exhaust air Product discharge3 Training THALOFA Page 74 Discharge of a cement mill ( 3,6 x 11 m) Training THALOFA Page 75 Content: • General Overview • Drive • Slide Shoe Bearings • Oil Supply System • DIAPOL • Mill Inlet • Mill Discharge • Water Spray Training THALOFA Page 76 Discharge Diaphragm Intermediate Diaphragm Mill Liners Mill Inlet Oil Supply System Mill Discharge Slide Shoe bearing Water Spray Slide Shoe bearing Training THALOFA Page 77 Water Spray System: layout 1.0 Injection lances 1.1 Protective air fan 1.2 Suction filter 1.3 Motor 1.4 Piping 1.5 Injection nozzle 2.0 Injection lance 2.1 Protective air fan 2.2 Suction filter 2.3 Motor 2.4 Piping 2.5 Rotary connecting element 2.6 Injection nozzle A Control skid A Pump Power: Pump Design Flow Rate: Pump Design Pressure: Lance (1.0) Design Flow Rate: Lance (2.0) Design Flow Rate: Fan Design Airflow: (Lance 1) Fan Design Airflow: (Lance 2) 8.6 KW 7450 L/hr 10 Bar (147.5 PSI) 3.5 m3/hr 3.5 m3/hr 360 m3/hr (212 cfm) 540 m3/hr (318 cfm) Training THALOFA Page 78 Water Spray System: Control skid 3.1 Shut-off valve (water inlet) 3.2 Drain valve Change-over filter 5.1 Motor 5.2 Coupling 5.3 Overflow valve 5.4 Drain plug Contact pressure gauge Drain and vent valves Solenoid valve 9,12 Motorized valve for injection lances 1.0, 2.0 10,13 Flow meter for injection lances 1.0, 2.0 11,14 Pressure gauge for injection lances 1.0, 2.0 Page 79 Technologieforum Mühlentechnik