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The slag grinding mill’s structure is similar to the cement mill and raw mill, except that the feeding method is different. Since the slag composition is relatively complex, the slag grinding mill’s performance requirements are relatively high. The slag mill’s main components have been designed especially for the grinding table and grinding roller, which has been reinforced, providing wear-resistant and corrosion-resistant performance for long service life.[/vc_column_text][vc_text_separator title=”Slag grinding process” border_width=”3″ css=”.vc_custom_1611993802844{padding-top: 20px !important;padding-bottom: 20px !important;}”][/vc_column][vc_column][vc_column_text]
- The slag enters the screw feeder through the feeding pipe and is conveyed to the center of the grinding table.
- The motor drives the reducer to rotate the grinding table, and the material is evenly dispersed and flattened under the centrifugal force to form a material bed with a certain thickness.
- Depending on the rocker arm, the grinding roller exerts a force on the material bed through the loading cylinder. After rolling, the material overflows to the edge of the grinding table. Meanwhile, it enters to the separator by the hot air from the air ring.
- The fine material is brought out from the separator to the dust collector, and the coarse material falls into the outflow system for secondary grinding.
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| Model | Grinding Roller Quantity | Main Motor Power （KW） | Capacity （t/h） |
|---|---|---|---|
| LRMS22.2 | 2 | 560～630 | 60～65 |
| LRMS32.3、4 | 3、4 | 1600～1800 | 45～55 |
| LRMS34.2 | 2 | 1600～1800 | 45～55 |
| LRMS36.3 | 3 | 2000～2240 | 65～70 |
| LRMS38.3 | 3 | 2240～2500 | 70～75 |
| LRMS43.3 | 3 | 3150 | 90～95 |
| LRMS46.3, 4 | 3、4 | 3350～3800 | 110～120 |
| LRMS50.3 | 3 | 4000～4200 | 130～140 |
| LRMS53.3 | 3 | 4500～5000 | 140～155 |
| LRMS56.3 | 3 | 5400～5600 | 170～180 |
| LRMS60.3 | 3 | 5400～5600 | 190～200 |
| LRMS63.3 | 3 | 6500～7000 | 210～220 |
| LRMS66.4 | 4 | 8000～8200 | 250～260 |
| LRMS70.4 | 4 | 8500～9000 | 280～300 |
The screw feeder carries out the horizontal feeding on one side of the slag mill. This method can make the material fall into the mill evenly, avoiding the airlock feeder’s periodic feeding. It also prevents the clogging of the feeding pipe and ensures the continuous operation of the slag mill.[/vc_column_text][/vc_column][vc_column width=”1/2″]
For material that needs water spray for grinding, the water spray device with the integrated design is equipped, providing convenient adjustment and high measurement accuracy. It is easy to stabilize the material layer. It also reduces the vertical mill’s vibration, realizes automatic control of the program, and effectively improves processing safety.[/vc_column_text][/vc_column][vc_column][vc_text_separator title=”Grinding roller”][/vc_column][vc_column width=”1/2″]
Forced oil lubrication is utilized and the system enables temperature monitoring.[/vc_column_text][/vc_column][vc_column][vc_separator css=”.vc_custom_1611997447178{padding-top: 20px !important;padding-bottom: 20px !important;}”][/vc_column][vc_column width=”1/2″][vc_column_text]Rocker arm
The rocker arm is a component that connects the grinding roller and tension device. The pulling force produced by the hydraulic cylinder is transferred from the rocker arm to the grinding roller.[/vc_column_text][/vc_column][vc_column width=”1/2″]
There is lining plate installed on the grinding table. The surface of the grinding mill is made using wear-resistant materials formed using a weld overlay, and can be re-welded after abrasion build up and reused, thus improving the service life of the lining plate.[/vc_column_text][/vc_column][/vc_row]