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Design of conveyor chutes with special attention to blockage, wear and conveyor detection change

Abstract

Coal handling continues to present industry with significant problems which, to overcome, result in the expenditure of considerable sums of money. While there are considerable efforts being made to reduce coal production costs, materials handling which represents a large proportion of those costs, is still a generally neglected area. This project has demonstrated that many of the problems of existing transfer areas can be overcome by the use of a small mass-flow bin and belt feeder combination, particularly for the case of high speed belts where many of these problems are further amplified. The study has emphasised the need to begin chute designs with an assessment of the flow properties of the bulk solid, once these have been established an accurate plot of the material's trajectory is required before the design of any type of chute can commence. It has been shown that surge bin transfer chutes would have particular application in: high speed belt conveying; transfer of fragile materials prone to degradation and dusting; more than one conveyor to be fed from a single belt; transfers at any angle with high efficiency. Throughout this project these aspects have been studied. Techniques for predicting feeder loads and power requirements are  More>>
Authors:
Arnold, P C; Hill, G L [1] 
  1. University of Wollongong, Wollongong, NSW (Australia). Dept. of Mechanical Engineering
Publication Date:
Apr 01, 1991
Product Type:
Technical Report
Report Number:
NERDDP-EG-91-995
Reference Number:
CLA-92-010985; EDB-92-020809
Subject:
01 COAL, LIGNITE, AND PEAT; BELT CONVEYORS; DESIGN; COAL; MATERIALS HANDLING EQUIPMENT; FLOW RATE; HOPPERS; LOADING; POWER DEMAND; SOLIDS FLOW; TESTING; TRAJECTORIES; VELOCITY; WEAR; CARBONACEOUS MATERIALS; CONTAINERS; CONVEYORS; DEMAND; ENERGY SOURCES; EQUIPMENT; FLUID FLOW; FOSSIL FUELS; FUELS; HAULAGE EQUIPMENT; MATERIALS; MATERIALS HANDLING; 013000* - Coal, Lignite, & Peat- Transport, Handling, & Storage
OSTI ID:
5914621
Research Organizations:
National Energy Research, Development and Demonstration Council, Canberra (Australia)
Country of Origin:
Australia
Language:
English
Other Identifying Numbers:
Other: ISBN: 0-642-16432-0
Availability:
National Energy Research, Development and Demonstration Council, Canberra, ACT (Australia)
Submitting Site:
CLA
Size:
Pages: (123 p)
Announcement Date:
May 13, 2001

Citation Formats

Arnold, P C, and Hill, G L. Design of conveyor chutes with special attention to blockage, wear and conveyor detection change. Australia: N. p., 1991. Web.
Arnold, P C, & Hill, G L. Design of conveyor chutes with special attention to blockage, wear and conveyor detection change. Australia.
Arnold, P C, and Hill, G L. 1991. "Design of conveyor chutes with special attention to blockage, wear and conveyor detection change." Australia.
@misc{etde_5914621,
title = {Design of conveyor chutes with special attention to blockage, wear and conveyor detection change}
author = {Arnold, P C, and Hill, G L}
abstractNote = {Coal handling continues to present industry with significant problems which, to overcome, result in the expenditure of considerable sums of money. While there are considerable efforts being made to reduce coal production costs, materials handling which represents a large proportion of those costs, is still a generally neglected area. This project has demonstrated that many of the problems of existing transfer areas can be overcome by the use of a small mass-flow bin and belt feeder combination, particularly for the case of high speed belts where many of these problems are further amplified. The study has emphasised the need to begin chute designs with an assessment of the flow properties of the bulk solid, once these have been established an accurate plot of the material's trajectory is required before the design of any type of chute can commence. It has been shown that surge bin transfer chutes would have particular application in: high speed belt conveying; transfer of fragile materials prone to degradation and dusting; more than one conveyor to be fed from a single belt; transfers at any angle with high efficiency. Throughout this project these aspects have been studied. Techniques for predicting feeder loads and power requirements are recommended, and ways of predicting the exit velocity from impact plates have been studied. The influence of gates and feeder angles on mass flow rates from high velocity belt feeders is reported.}
place = {Australia}
year = {1991}
month = {Apr}
}