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Q Abnormal negative pressure of the Raymond mill causes low yield，how to solve this problem?
A Please check the following item.
1. Loose sealing of pipeline
2. Improper afterwind valve regulation
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Q No powder or less powder from the raymond mill,what’s the reason?
A The reasons may be as follows:
1, discharge valve (air lock) is not closed strictly, the outside air and dust contraflow.
2. Air duct of the main mill is blocked.
3, shovel of the raymond mill is worn. This resulting in too little or no shoveled material.
4. There is a serious air leakage at the connection of pipe and pipe flange.
5, the pipe installation length is too long and too many elbows, resulting in increased pipeline resistance.
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Q The blower bearings of the Raymond mill are overheated. What’s the reason?
A The reasons may be as follows:
1. Impeller wear causes work imbalance
2. Insufficient or too much lubricating oil.
3. Bearing damage.
4. The anchor bolt is loose.
5, too much powder on the leaves cause imbalance.
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Q The original foundation of the raymond mill is not firm. Do I have to lay a new foundation?
A No need.Go up in original foundation reinforcement foundation is OK.
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Q The roller of the raymond mill is worn and out of shape. Will it work?
A You’d better replace the grinding roller.Otherwise, it will lead to loud sound and vibration of the main mill of the raymond mill
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Q The raymond mill has been installed, but what if its horizontal position is not accurate?
A the raymond mill can only be installed after re-alignment
