The correct choice of the type of bucket elevator mainly lies in the ability to give full play to its efficiency, to meet the needs of production and to improve the productivity at the maximum. In the actual use of the bucket elevator, its productivity is related with the lifting speed of the hopper, hopper volume and installation density and other parameters.
The number of the hoppers on the unit length will directly affect the productivity of the bucket elevator as well as the filling factor of the hopper at the same time. From the perspective of the productivity calculation formula, the larger the number of the hoppers on the unit length is, the higher the productivity will be. But on the other hand, if the number of buckets on the unit length is excessive, it will reduce the filling factor of the hopper to cause the decrease in productivity.
Hopper lifting speed not only affects productivity, but also affects the discharge. It should be selected depending on the different materials to be transported. When the lifting speed is too low, it is difficult to improve and enhance the output of the machine and the materials in the hopper stand smaller centrifugal force, but mainly bear its own gravity. When the gap between the hoppers is slightly larger, part of the material will be scattered from the head to the machine, but they cannot be thrown out the discharge port, affecting the productivity of the bucket elevator. If it is serious, it will cause clogging. When lifting speed is too high, there are hoppers rolling on the cylinder, the centrifugal force that the material stands will be greater. As for the materials with good dispersity, some will be prematurely thrown out of the hopper and then scatter into the machine body; as for the materials with poor flowing property (such as wet powder), some will be affixed to the outside of the hopper so that the bucket elevator productivity will be reduced. Therefore, the lifting speed should be controlled depending on the materials.
