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How can use Raymond mill without blockage

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In the process of using the Raymond mill, many blockages will inevitably occur. Some of these blockage are difficult to avoid, and some are caused by human factors.

The human factor causes the machine to malfunction, mainly because the staff is not operating properly, or the daily maintenance work is not done. In response to this problem, we specially summed up the regular operation steps of Raymond Mill and its daily maintenance and common sense. It is summarized as follows:

Raymond mill regular operation steps:
(1) Preparation before starting:
1. Whether all maintenance doors are closed tightly;
2. Whether the gap between the jaws of the crusher meets the size of the feed size;
3. Adjust the speed of the analytical machine to reach the approximate granularity of the finished product.

(2) Boot sequence:
1. Start the bucket elevator;
2. Start the jaw crusher;
3. Start the analyzer after the material is stored in the silo;
4. Start the blower (the air load starts, wait until the normal operation) Loading);
5.start the Raymond mill host, and immediately start the electromagnetic vibration feeder at the start of the host. At this point, Raymond grinding work is the beginning.
The simple operation sequence is as follows: start: hoist → crusher → analysis machine → fan → host → feeder.

(3) Shutdown sequence:
1. Stop the feeder to stop feeding;
2. Stop the host after about one time;
3. Stop the blower after blowing the residual powder;
4. Turn off the analyzer.

The simple operation sequence is as follows: feeder → main unit → blower → analyzer.

Raymond mill daily maintenance and common sense:

1. During the use of Raymond mill, there should be fixed personnel responsible for the inspection, and the operator must have a certain level. The mill must be necessary for the operator before installation to understand the principle performance of the mill and familiar with the operating procedures.

2. In order to make the Raymond mill normal, the equipment "equipment maintenance and safety operation system" should be established to ensure the long-term safe operation of the mill, as well as necessary maintenance tools and grease and corresponding accessories.

3. After using the Raymond mill for a period of time, it should be repaired and repaired. At the same time, the wearing parts such as the grinding roller and the blade should be repaired and replaced. The grinding roller device should be carefully checked before and after use to see if there is any Looseness, whether the grease is added.

4. When the grinding roller device is used for more than 500 hours to replace the grinding roller, the rolling bearings in the roller sleeve must be cleaned, and the damaged parts should be replaced in time. The fueling tool can be manually pumped and greased.

5. The bearings are lubricated with No. 1 MOS2 grease or ZN-2 sodium bitter grease.

6. The grinding roller bearing refuels once every shift, the main center bearing is added once every 4 shifts, and the blower bearings are added once. The bearing room temperature rise shall not exceed 70 °C. When the bearing is overheated, the accessories such as the cleaning bearing and the bearing chamber shall be removed and cleaned once.

Only by ensuring that the Raymond mill is operated properly and properly maintained, can the machine be operated normally, and the service life and working efficiency of the mill can be improved!


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