design and application of feeders for.pdf

51
  DESIGN AND APPLICATION OF FEEDERS FOR THE CONTROLLED LOADING OF BULK SOLIDS ONTO CONVEYOR BELTS A.W. Roberts Department of Mechanical Engineering The University of Newcastle N.S.W., Australia. SUMMARY The efficient operation of conveyor belts for bulk solids handling depends to a significant extent on the performance of the gravity feed system. The attainment of controlled feeding with a minimum of spillage and belt wear is of major importance. In addressing this problem, this paper focuses attention on the design requirements of the mainly used feed system comprising a gravity flow hopper, feeder and chute. The specific function of these three components is briefly outlined and the need for the hopper and feeder to be designed as an integral unit is stressed. Various types of feeders are reviewed and methods for determining feeder loads and power requirements are presented. The interaction between the flow pattern developed and wall pressures generated in mass- flow hoppers and the manner in which these influence feeder loads is discussed. A simplified methodology is presented for the design of belt feeders and feed hoppers with extended skirtplates for feeding directly onto conveyor belts. The design procedures are illustrated by example 4. Mention is made of the basic design requirements of feed chutes with particular reference to the need for careful consideration of the bulk solid flow  properties and the friction characteristics of chute lining materials. 1. INTRODUCTION Of the various modes at transporting bulk solids, belt conveying is clearly one of the most effective and reliable and well suited to handling bulk solids over a wide range of tonnage rates. The success of belt conveyors depends on a number of factors, not the least of which is the initial feeding of the bulk solid onto the belt and to the efficient transfer of solids from one belt to another at conveyor transfer stations. With the future trend towards higher belt speeds and narrower belts in order to achieve higher economic efficiency [1-8], much attention will need to be given to the design of belt feeding systems which will guarantee high feeding rates with minimum of spillage and belt wear.

Upload: jhon3748

Post on 04-Feb-2018

233 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 1/51

Page 2: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 2/51

Page 3: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 3/51

Page 4: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 4/51

Page 5: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 5/51

Page 6: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 6/51

Page 7: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 7/51

Page 8: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 8/51

Page 9: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 9/51

Page 10: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 10/51

Page 11: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 11/51

Page 12: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 12/51

Page 13: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 13/51

Page 14: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 14/51

Page 15: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 15/51

Page 16: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 16/51

Page 17: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 17/51

Page 18: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 18/51

Page 19: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 19/51

Page 20: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 20/51

Page 21: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 21/51

Page 22: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 22/51

Page 23: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 23/51

Page 24: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 24/51

Page 25: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 25/51

Page 26: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 26/51

Page 27: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 27/51

Page 28: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 28/51

Page 29: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 29/51

Page 30: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 30/51

Page 31: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 31/51

Page 32: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 32/51

Page 33: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 33/51

Page 34: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 34/51

Page 35: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 35/51

Page 36: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 36/51

Page 37: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 37/51

Page 38: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 38/51

Page 39: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 39/51

Page 40: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 40/51

Page 41: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 41/51

Page 42: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 42/51

Page 43: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 43/51

Page 44: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 44/51

Page 45: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 45/51

Page 46: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 46/51

Page 47: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 47/51

Page 48: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 48/51

Page 49: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 49/51

Page 50: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 50/51

Page 51: DESIGN AND APPLICATION OF FEEDERS FOR.pdf

7/21/2019 DESIGN AND APPLICATION OF FEEDERS FOR.pdf

http://slidepdf.com/reader/full/design-and-application-of-feeders-forpdf 51/51