Page 152 - APPLIED PROCESS DESIGN FOR CHEMICAL AND PETROCHEMICAL PLANTS, Volume 1, 3rd Edition

136 Applied Process Design for Chemical and Petrochemical Plants
Particle diameter
(largest 5%)
Tyler
mesh Inches Microns
(Yelocitv = 4 to 7 ft/s I
10000
8000
.250
6000
4 .185
4000

B .093 \.
\
2000

14 .046 HETEROGENEOUS
1000 ...
BOO '
'
28 .023 600 ' ..
�
- -� ...... Based on thick slurries
'\
--=-
,_ -� "'-..
with fine (-325 mesh) vehicle
�
�
43 .012 400 ,. ..
" "" '-...
200 � �- � ,., -........... ..........
100 .006 COMPOUND -
'• I
� •• ,..._ Based on thin slurries or slurries
•••• ..... with graded particle size
100 ..... _
80 -····· ......... , ••
200 .003
60

325 .0017
40

HOMOGENEOUS
20
Figure 2-49. Slurry flow regime (heteroge-
neous, homogeneous) is a function of solid's
size and specific gravity. By permission, Der-
annelaere, R.H. and Wasp, E. J., "Fluid Flow, 10
Slurry Systems and Pipelines," Encyclopedia 2.0 3.0 4.0 5.0
of Chemical Processing and Design, J. Mc- 1.0
Ketta, Ed., M. Dekker, vol. 22, 1985 [25]. Solids, specific gravity

5. Calculate load factor. 6. Establish condensate receiver ( or flash tank) pres-
sure, psig.
7. Referring to Figure 2-54, enter at steam pressure of
(1) above, move horizontally to condensate receiv-
5,000 (100) 500,000 (2-133) er pressme of (6) above, and then up vertically to
Condensate Rate, lbs/hr c the "factor scale."