[Maximum feed]: 30MM[Maximum output per unit]: 190T[Motor Power]: 3550[Scope of application]: Grinding and drying of cement raw materials[Applicable materials]: limestone + shale + ore
Product introduction
Cement raw material grinding includes: drying raw material grinding wet raw material grinding dry raw material grinding mainly used for grinding of finished products and raw materials of cement plants and also suitable for metallurgical chemical electric power and other industrial and mining enterprises to grind various ores and others. Grindable material. Tongji Heavy Machinery has been producing cement raw material grinding for more than 30 years. It has cooperated with German Humboldt and Japan Kawasaki and other mechanical equipment brands to develop and produce cement mills of various specifications below 5m in diameter that meet the needs of the development of the cement industry. With cement grinding research and design team perfect cement grinding test and testing methods sophisticated large-scale cement mill manufacturing equipment and manufacturing technology a complete cement mill test research design manufacturing testing and service system and With raw materials grinding independent intellectual property rights.
Structure principle
When the barrel of the ball mill is driven to rotate by the transmission device the grinding body is attached to the lining surface of the inner wall of the grinding machine due to the action of the inertia centrifugal force and is rotated together with a certain height and then freely falls by gravity. The grinding body crushes the material in the cylinder and the grinding body has a rising and falling circular motion in the rotating mill causing sliding and rolling causing grinding between the grinding body the lining plate and the material to be ground to make the material fine. . For the mills of different specifications and models the suitable transmission mode is adopted mainly including the edge transmission and the central transmission. The inside of the cylinder adopts specifications such as new graded lining and standard step lining which increases the surface area of material grinding and has better grading effect and is easier to maintain and replace later. The new compartment structure features adjustable lifting plates and fixed lifting plates for easy installation and maintenance.
Technical advantage
Adaptable easy to adjust fineness
The cement raw material ball mill has the characteristics of strong adaptability to materials continuous production large crushing ratio and easy adjustment of the fineness of the milled product. It can be produced either dry or wet or it can be worked at the same time as grinding and drying.
The communication method is advanced and the large and medium-sized mills are equipped with slow driving devices;
The drive type of the barrel mill has the following types: edge leaflet center drive multi-point meshing edge drive etc.; drive form includes asynchronous motor + reducer + pinion + large gear and synchronous motor + air clutch + pinion + large gear ;
Multiple support methods using a variety of specifications
Generally the support method of the static pressure bearing at both ends is adopted and the self-aligning self-aligning 1200 line contact "rocker type" bearing is adopted and the single sliding shoe the double sliding static pressure supporting mode or the full static pressure can also be adopted. Support; large and medium-sized mills are equipped with high and low pressure lubrication stations;
Finite element analysis American design standards
The cylinder is the key part of the mill and it is finite element analysis by computer to ensure the reliability of its use. The large open gear is designed by American AGMA standard equipped with a reliable gear cover and glycerin automatic spray lubrication device. The control and protection system is controlled by PLC.
Latest case
The 190-ton large-scale drying and medium-unloading raw material ball mill Φ4.6×(10+3.5) was successfully put into operation in Xinjiang Nangang ** Cement Co. Ltd. and the equipment was running stably reaching the standard and producing various technical indicators. All meet European standards.
Production status
[Day operation]: 24 hours
[Feed]: Cement raw materials
[product]: 200 mesh
[Production]: 190 t/h (drying and medium unloading system)
Technical parameter
specification | Simplified speed | Abrasive load | Production capacity | Main motor | main decelerator | weight |
m | r/min | t | t/h | Model | Power | Model | t |
kw |
Φ2.4×8 | 20.9 | 45 | 21~24 | JRQ1512-8 | 570 | ZD80 | 72 |
Φ3.0×9 | 18.6 | 80 | 26~34 | YR1000-8/1180 | 1000 | 800 | 132 |
Φ3.4×9.5* | 16.9 | 75 | 70 | YR1250-8/1430 | 1250 | 900 | 168 |
Φ3.8×7.5 | 16.7 | 85 | 85 | YR710-8 | 1400 | 800 | 180 |
Φ4.6×9.5+3.5** | 15 | 185 | 180~190 | YRKK900-8 | 3550 | MFY355 | 345 |