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Control of mixing and adding water
06-15
The purpose of adding water and stirring is to fully mix the water and powder, and it is hoped that the outer surface of each powder will be in close contact with the water. Therefore, first, the water addition position should be at the feed end of the mixer, and the powder falling from the incoming belt should be sprayed with water, which not only supplies water evenly, but also has a certain dustproof effect. The second is to keep the mixing blade of the mixer in good condition at all times, because the mud and water in the mixer are all stirred by the rotation and tumbling of the mixing blade, and the process stipulates that the blade length of the mixing blade is worn up20mm must be replaced and repaired. Third, the feeding must be uniform, and the top of the mixing blade of the mixing knife must be seen at any time. The practice of filling the mixing tank with powder, the upper part of which did not participate in the mixing at all, went to the discharge port of the mixer, which was purely self-deception and was never desirable.
The first mixing requires the addition of molding water.80% to 90%. The site can be assessed using the following visual methods. On the discharge belt of the mixer, grab a handful of mixed mud, hold it tightly for about half a minute, open your palm, and the mud will form a mass. Use your fingers to lightly bomb the mud mass to spread out as qualified. If the grip does not form a mass, it means that the moisture is less, if the elastic does not disperse, it means that the moisture is more. should be adjusted.
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