The whole raymond grinding mill machine is collocated with jaw crusher, elevator, hopper,electromagnetic vibrating feeder, main unit, classifier, collector, cloth deduster and high-pressure blower. Load the stuff for grinding evenly and continuously into the grinding chamber of the main frame. Due to the centrifugal force in rotation, the roller swings go outward and presses closely upon the ring. The shovel carries the stuff to the space between the roller and ring. When the roller rolls, the stuff is thus grinded. After being grinded, the stuff is to be routed to the classifier along wind belt of the blower and the rough powder will be put back to the grinder for regrinding. The fine powder flows into the cyclone collector together with air flow and is expelled from the powder output pipe as product.In the grinding chamber, since the stuff contains moisture to some extent, the heat generated during grinding makes the moisture evaporate; since the pipeline joints are not airtight, the external air is sucked in and the circulation air mass increases. In order to enable the grinder to work in negative pressure, the increased air flow is guided to the deduster and sequentially to the atmosphere after purification.
Advantage:
1. The operation and maintenance of the gear unit is more convenient and reliable, and the maintenance of the gear is more convenient and reliable.
2. Good wear resistance: the hollow shaft is made of cast steel, the lining can be disassembled and replaced, the rotary gear is processed by casting gear hobbing, and the cylinder body is inlaid with wear-resistant lining plate, which has good wear resistance.
3. Long service life: the planetary gear system is changed to planetary roller system, and the complete rolling friction transmission between metal wheel and wear-resistant polymer material wheel is adopted to reduce noise and wear to a minimum, and there will be no gear fracture and damage during operation and operation, which greatly extends the service life of the gear.
Working Principle:
When the ball mill is working, the material is loaded into the cylinder by the hollow shaft at the feeding end. When the ball mill cylinder rotates, the grinding body is attached to the cylinder liner due to the inertia, centrifugal force and friction force. When it is carried to a certain height, it is thrown down due to its own gravity. The falling grinding body smashes the materials in the barrel like a projectile. The material enters the first bin of the ball mill evenly by the feeding device through the feeding hollow shaft. There are stepped lining plates or corrugated lining plates in the bin, which are filled with steel balls of different specifications. The rotation of the cylinder produces centrifugal force, which brings the steel balls to a certain height and then falls down, which has a heavy impact and grinding effect on the materials. After coarse grinding in the first bin, the material enters the second bin through the single-layer partition plate, which is inlaid with flat lining plate and steel ball inside to grind the material further. The powder is discharged through the discharge grate plate to complete the grinding operation.
Technical Parameters:
| Model | Speed(r/min) | Ball loat(t) | Feeding size(mm) | Discharging size(mm) | Capacity(t/h) | Power(kw) | Weight(t) |
| Φ900*1800 | 36-38 | 1.5 | ≤20 | 0.075-0.89 | 0.65-2 | 18.5 | 4 |
| Φ900*3000 | 36 | 2.7 | ≤20 | 0.075-0.89 | 1.1-3.5 | 22 | 5.6 |
| Φ1200*2400 | 36 | 3 | ≤25 | 0.075-0.6 | 1.5-4.8 | 30 | 12 |
| Φ1200*3000 | 36 | 3.5 | ≤25 | 0.075-0.4 | 1.6-5 | 37 | 12.8 |
| Φ1200*4500 | 32.4 | 5 | ≤25 | 0.075-0.4 | 1.6-5.8 | 55 | 13.8 |
| Φ1500*3000 | 29.7 | 7.5 | ≤25 | 0.075-0.4 | 2-5 | 75 | 15.6 |
| Φ1500*4500 | 27 | 11 | ≤25 | 0.075-0.4 | 3-6 | 110 | 21 |
| Φ1500*5700 | 28 | 12 | ≤25 | 0.075-0.4 | 3.5-6 | 130 | 24.7 |
| Φ1830*3000 | 25.4 | 11 | ≤25 | 0.075-0.4 | 4-10 | 130 | 28 |
| Φ1830*4500 | 25.4 | 15 | ≤25 | 0.075-0.4 | 1.5-12 | 155 | 32 |
| Φ1830*6400 | 24.1 | 21 | ≤25 | 0.075-0.4 | 6.5-15 | 210 | 34 |
| Φ1830*7000 | 24.1 | 23 | ≤25 | 0.075-0.4 | 7.5-17 | 245 | 36 |
| Φ2100*3000 | 23.7 | 15 | ≤25 | 0.075-0.4 | 6.5-36 | 155 | 34 |
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