Exploring whether bucket elevator feeding is reasonable

- Jun 25, 2018 -

For bucket elevators, whether or not the feed is reasonable affects not only the performance of the bucket elevator, but also a chain reaction to the lifting and unloading processes in the subsequent sequence. From this we can see that it is very important to have a deep understanding of whether the bucket elevator feed is reasonable.

 

Bucket elevator feed is generally considered from two aspects, one is the fill factor; the other is the feed resistance. As we all know, the feed resistance is of course as small as possible, and the fill factor is not necessarily the bigger the better. In the design and on-site operation of the hoist to make it reasonable, in fact, the full loading factor is appropriate and the feed resistance is small.

 

The appropriate requirements for bucket elevator loading factor should be that under the conditions of normal operation of other components, the bucket bucket bucket bucket can be smoothly discharged from the discharge port after being lifted. No maximum reflux factor is generated.

 

There are many factors that can affect the bucket-filler's fill factor, including the feed method, internal friction coefficient and bottom wheel speed, bucket shape, feed flow, and so on. The total can be summarized as uncontrollable factors in the field operation of the bucket elevator, as well as controllable factors, that is, relying on manual adjustment at the work site to control. In field operations, it is of great importance to adjust the feed flow to control the fill factor.

 

Feeding resistance is another important factor to determine whether bucket elevator feeding is reasonable. This aspect is also related to two aspects. One is movement resistance. The bucket is run on the side of the machine while loading. The feed resistance on the one hand is manifested as the friction between the material and the bucket, the friction between the material and the inner wall of the base, and the friction between the material and the material. Is the driving force for the material. They are proportional to the distance the bucket is operating in the material.

 

There is the impact of the material on the bucket elevator bucket. When feeding in the reverse direction, some of the materials are directly filled into the bucket. In this way, the material has impact on the bucket. If the speed of the lifting belt and the flow rate of the material when the material flows into the base are large, the impact force of the material on the bucket is also large, and the feed resistance increases accordingly.

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