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High pressure roller mill is a common grinding equipment, grinding roller and grinding ring is its core component, work depend on roller under the action of centrifugal force, multiple squeeze grinding ring to grinding materials, Raymond slow roller and grinding ring in use after a period of time, the grinding roller and grinding ring will appear wear away, need to change in a timely manner. So, how does High pressure roller mill roll and wear ring change, our dawn heavy industry is a brief introduction for everyone.
Firstly, it is necessary to determine the model of grinding roller and grinding ring which needs to be changed. Only the matching model can ensure the efficiency of High pressure roller mill and reduce the wear of grinding roller and grinding ring. High pressure roller mill grinding ring is a cone-shaped, usually people think is playing by the bottom hard knocks it beats out, but in the High pressure roller mill grinding cavity is not enough space to complete this work, so we can adopt the method of gas cutting, grinding by gas cutting ring is pided into several segments, and then you can remove the waste of ring is more convenient.
In the installation of grinding ring, the residue should be cleaned up ahead of time, and the inner wall of the wind tunnel should not be left residue. High pressure roller mill mill roller replacement can not adopt the method of gas cutting, so we can only use the hammer from the bottom up slowly. Some High pressure roller mill for grinding roller and grinding roll shaft sealing between bad cause dust to enter, thereby the grinding roller and grinding roll shaft rust together, when meet this kind of circumstance can use oxygen roast along the crack to bake for 5 minutes, or oil will drop into the gap for half an hour, so it is easier to take down the roller type.
The new roller before installation, too, should do a good job cleaning, ensure the grinding roller can't leave a residue, and then after the installation completes the sealing work, so as to effectively guarantee the High pressure roller mill later work.