Name and describe the two principal types of conveyor holdbacks

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Question 2 (Belt conveyors)
2.1 Name and describe the two principal types of conveyor holdbacks
2.2 Calculate the power required to drive a belt conveyor to carry run-of-mine ore at a rate
of 45 kg/s over a distance of 310 m up a uniform gradient as indicated in the following
figure. Assume that the power used to raise the load is equal to that required to
overcome friction. Show all calculations as well as a force diagram.
10
Not to scale
1
Transcribed Image Text:Question 2 (Belt conveyors) 2.1 Name and describe the two principal types of conveyor holdbacks 2.2 Calculate the power required to drive a belt conveyor to carry run-of-mine ore at a rate of 45 kg/s over a distance of 310 m up a uniform gradient as indicated in the following figure. Assume that the power used to raise the load is equal to that required to overcome friction. Show all calculations as well as a force diagram. 10 Not to scale 1
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We are authorized to answer one question at a time since you have not mentioned which question you are looking for, so we are answering the first question please repost your question separately for the remaining question.

Hold back or backstop is generally used where there is an inclined conveyor is applied , the holdback is applied in the system to avoid the reverse motion of the conveyor. Hold back restrict the reverse motion of the conveyor. It is used for the inclined conveyor system.

Conveyor backstop is generally selected on the basis of low speed or high-speed use.

If motor power exceeds 50HP then a low-speed backstop is advised and if the power of the motor is less than 50 HP , a high-speed backstop is advised.

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