- Contact Person : Mr. Yang Chaoqun
- Company Name : Shanghai Xuanshi Machinery Co., Ltd.
- Tel : 86-021-33756878
- Fax : 86-021-33908325
- Address : Shanghai,Shanghai,No. 60 Jinwen Road, Pudong Airport Industrial Park, Shanghai, China
- Country/Region : China
- Zip : 201323
Coal Grinding Mill
Coal Raymond Mill working principle:
When coal Raymond Mill working, the material what needs to crush from the feed hopper of the machine casing on the side of adding machines rely on hanging in the host plum rack roller device turn around the vertical axis, while itself rotation. Due to the function of centrifugal force when it is a rotation, roll grinding out swinging, pressed on the grinding ring, so that the shovel blade scoops the materials sent to the grinding roller and the grinding ring and then get the purposes of crushing materials by grinding roller's roll and grind. Winnowing process: materials after grinding, the fan will wind White chassis, blowing powder, placed above the grinding chamber of the analyzer for sorting, fine through coarse material to fall into the grinding chamber to re-grinding, fine with the air flow into the cyclone collector collected powder outlet discharge is refined to meet the specifications. Romantic whirlwind collection of the top of the return air duct back into the blower, the wind path is circular, and the flow in the vacuum state, the air volume of the circulating air duct to increase some by fans and host the middle of the exhaust pipe to discharge into the small cyclone collector , for purification.
Coal Raymond Mill Advantages:
1, three-dimensional structure, small footprint, complete sets of strong;
2, refined powder fineness;
3, transmission smooth, reliable operation;
4, the whole high wear resistance, long service life;
5, centralized control, achieve unmanned operation basically.
The working principle of Coal High Pressure Suspension Grinding Mill:
In the mainframe of coal High Pressure Suspension Grinding Mill mainframe, roll grinding hanger on fastening a 1000-1500 kg powered pressure spring. When the machine start working, grinding roll around the spindle, and under the function of high pressure spring and centrifugal force, keep grinding ring rolling and the rolling pressure is 1.2 times higher than the Raymond Mill in the same dynamic conditions so the yield is much higher. When the grinding material into the grinding chamber, the shovel blade scoop up it into the grinding roller and grinding ring to grind. The powder after grinding with the blower circulating air into the analyzer, qualified with the powder-gas inflow the whirlwind plot of powder become to the finished goods, but the charged particles tablets to regrinding. The circulating wind return air blower to repeat the above process, and the remaining wind entered the bag filter to purify. When the grinding roller and the grinding ring to reach a certain wear and tear, adjust the length of the pressure spring to maintain constant grinding pressure between the roller and grinding ring, in order to ensure stable production and fineness.
The coal High Pressure Suspension Grinding Mill performance characteristics:
1.A unique design that compared with other mill output increased by 20-30% in the same dynamic conditions, the grinding roller grinding pressure of the material is increased in the high-pressure spring under 800 - 1200kg;
2. The materials that Mohs hardness of less than 9.3 mineral can be processed grinding;
3,The final endpoint has a wide range of particle size, the most coarse particle size of up to 0.613 mm (30 mesh) and generally up to 0.033 mm (425 mesh) and the small number of materials' particle size can get up to 0.013 mm (1000 mesh);
4, The effect of dust removal fully meet the national standards for dust emissions;
5, The analysis of machine is easy to adjust;, 6. Grinding device with use of overlapping multi-level seal has a good seal performance.
Coal Grinding Mill