Φ4.6×( 10+3.5 )m Middle discharging raw mill
( Center driving )
Ⅰ. Technical performance ( Drawing number: NCM88 )
1. Specification: Φ4.6×( 10+3.5)m
( Grinding chamber + Drying chamber )
2. Grinding method: closed circuit middle discharging raw mill
3. Production capacity: 190t/h ( Fineness of finished product:
12-14% residue from 80μm screen)
4. Feeding material: Fineness: ≤25mm ( 85% passed ),
Moisture: ≤5%
5. Feeding air temperature: 350℃
6. Dis charging material moisture: ≤1%
7. Rotary speed: 15.1 r/min
8. charging capacity of grinding medium: 180t ( max: 189t )
9. Main motor: YRKK1000-8, Rated power: 3550kw,
Rated rotary speed: 745 r/min
Rated voltage: 6kv
10. Main reducer: MFY355A
Transmitted power: 3550kw, Roted rotary speed: 745r/min,
Output rotary speed: 15.1r/min, Lubricating device: XYZ400GZ
11. Slow driving device: MJB710
12. Thin oil station for lubricating sliding shoe bearing:
Model: NC-63S High & Low pressure thin oil station
Quantity: 2Pcs
Main parameter:
High pressure pump: Y110L1-4, Power: 2.2×2kw, 2.5L/min, 32Mpa
Low pressure pump: Y112M-6, Power: 2.2×2kw, 63L/min
13. Cooling water consumption for sliding shoe bearing: 2×3.5m3/h
14. Weight of equipment: 304t ( excluding motor, reducer and grinding medium )
Ⅱ. Weight of parts and scope of supply
1. Feeding device ( Including support ): 4930kg
2. Sliding shoe bearing ( 2 sets ): Total weight: 27600kg
Including:
Supporting bushing body: ZG270-500 3920kg
Babbitt alloy ZSnSb11Cu6 340kg
Convex and concave sphere 34CrNi2MoA 720kg
Sphere seat ZG310-570 3980kg
Bottom plate Q235-B Thickness: 85mm 6120kg
Supporting roller 45 3680kg
3. Rotary part 24400kg
Including:
Shell 103000kg
Max overall size of shell: Φ4990 (Max.OD ) ×13505 ( Total length)mm
Mainly including
Steel plate for shell Q235-C 38520kg; Thickness: 84 19800kg
Sliding ring of sliding shoe 20g-Z25, Thickness: 95 19420kg
Web plate of sliding ring 20g; Thickness: 90 18530kg
Shell of drying chamber Q235-C; Thickness: 22 8840kg
Wear resistant casting ZG42Cr2MnSi2MoRe ( ak≥49J/cm2; 51-57HRC ) 86300kg
ZG230-450 5700kg
ZG340-640 4050kg
4. Discharging cover 5260kg
5. Materials returning device 16500kg
6. Lubricating system for sliding shoe bearing ( 2sets ) 3980kg
7. Main motor YRKK1000-8 ( Jiangxi Motor Plant )
Rated rotary speed: 745r/min; Rated power: 3550kw;
Rated voltage: 6kv; Weight: 31000kg
8. Base of main motor
Weight of weld assembly: 1460kg
9. Lubricating device for main motor ( purchased otherwise )
Model: XYZ-16
10. Reducer MFY355A ( Nanjing High-speed Gearbox plant )
Transmitted power: 3550kw, Rated rotary speed: 745r/min;
Output rotary speed: 15.1 r/min, Lubricating device:XYZ400GE
11. Slow driving device: MJB710 45kw Speed ration: 193.3
Weight: 5000kg
12. Diaphragm coupling
