Fine silica is fed at 1500 lbs/hr to a double deck vibrating screen combination to obtain a 48/65 mesh product. The silica feed is introduced into the upper screen of the 48 mesh and the product is discharged off the surface of the lower screen of 65 mesh. During the screening operation the ratio of laboratory analysis of different fractions O = 2, P =1, U = 0.5. A. The effectiveness of screening equipment is? B. If the screen measures 5 ft x 8 ft each, the capacity in MT/day-ft2-mm of the mesh screen on the basis of a perfectly functioning 48 mesh screen is? Answer: E=43.41% C=0.901 MT/day-ft2-mm
Fine silica is fed at 1500 lbs/hr to a double deck vibrating screen combination to obtain a 48/65 mesh product. The silica feed is introduced into the upper screen of the 48 mesh and the product is discharged off the surface of the lower screen of 65 mesh. During the screening operation the ratio of laboratory analysis of different fractions O = 2, P =1, U = 0.5. A. The effectiveness of screening equipment is? B. If the screen measures 5 ft x 8 ft each, the capacity in MT/day-ft2-mm of the mesh screen on the basis of a perfectly functioning 48 mesh screen is? Answer: E=43.41% C=0.901 MT/day-ft2-mm
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Fine silica is fed at 1500 lbs/hr to a double deck vibrating screen combination to obtain a 48/65 mesh product. The silica feed is introduced into the upper screen of the 48 mesh and the product is discharged off the surface of the lower screen of 65 mesh. During the screening operation the ratio of laboratory analysis of different fractions O = 2, P =1, U = 0.5.
A. The effectiveness of screening equipment is?
B. If the screen measures 5 ft x 8 ft each, the capacity in MT/day-ft2-mm of the mesh screen on the basis of a perfectly functioning 48 mesh screen is?
Answer: E=43.41% C=0.901 MT/day-ft2-mm
Transcribed Image Text:Screen Mesh
Feed
Oversize
Product
Undersize
Mass
Mass
Mass
Fraction
Fraction
Mass Fraction
Fraction
10/14 to 28/35
0.2821
0.5850
0.3385
0.0045
35/48
0.2580
0.3370
0.3220
0.0036
48/65
0.2810
0.0660
0.5260
0.3440
65/100
100/150 to
150/200
0.0910
0.0050
0.0670
0.2990
0.0870
0.0060
0.0260
0.3530
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