Page 298 - APPLIED PROCESS DESIGN FOR CHEMICAL AND PETROCHEMICAL PLANTS, Volume 1, 3rd Edition
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268                      Applied Process Design for Chemical  and Petrochemical  Plants

                       Specitication  Sheet                      There  are  a  few  mechanical  arrangements  that  use
              G&s  Phase  Centritup:31  Entroin,:ient Separator   external power to exert centrifugal force on the gas par-
                     (L1ouid  or  Solid  Particles)            ticle  stream.  The  fan  type  blades  direct  the  separating
          1.  Application:  (Describe  service  application  ot unit v�en   particles  to  the collection  outlet.  Figures  4-56 and  4-57
                                                               show  such  a  unit.  These  units  are  compact  and  have
             poaaible)
                                                               been  used  in  various  dust  applications.  However,  cau-
          2.  Fluid  Stream:   ----  Composition:  (Vol.  :Cl   _
                                                               tion  should  be  used  to  avoid  installations  involving
          :,.  Entrained  Part1ole11  (L1quid  or solid)  -------
                                                               sticky or tacky materials which might adhere to the walls
             Compo a1  t1on                                    and  blades  of the unit.  The efficiency  of these  is  about
             a.  Size  Mnee  ----  microns  (or l(eah)  -----   90%-99%,  similar  to  a  small,  high  pressure  drop
             b.  Size  percentage  d1atribut1on :.             cyclone.  The air handling performance  can  be  predict-
             e ,  True  Specitic  Gr&Tit.7  ----  (or  po.rt1cle),  re-   ed using the fan  laws.
                terred  to  water= 1,0
             d,  Bulk denait.7  -----  ot particle
             e.  Source  or ent:rw.iment  1  ( Bo1lin_g  liquid,  kiln  duat,
                eta,)
          4.  Operating  Condi  t1onu  Jl'.aldllNIII   Minimum   l'iol"Jl&l
             a.a  Flov  rate
             Ent:rw.1ned  Flov  Rate
             Tnperature,  0 r.
             heaaure,  PSI
             Moisture  Content
             Dev  Point,  0 r.
          5,  Installation  Altitude:
             a,  !lol'llal barometer ----  m:11  Hg,
          6  ...  ture  or entrained  material:
             Solids:  (a)  Describe  (dry,  moist,  stick7,  at  operating   Figure 4-56.  Inertial  centrifugal  dust  separator.  Courtesy of Ameri-
                       conditions)  -------------              can Air Filter Co.
                    (b)  H7groscop1o:
                    (o)  Angle  or repose------------
             Uq'llid:  (a)  Describe:  (Corroe1ve,  0117)  -------                   Feed  Pipe
                    (b)  Surtact111nsion  at operatlns  conditions:
                    (c)  Viscos1t7  at operating  conditions:  ----
         7.  Insulation  required:  ----  F!e:uon  -------                                              Circulating  Fon
         8;  Construction  Feat.urea:
                                                               Shutter  Adjustment -
             (a)  Describe  separator location  in  a7ste'11  ------                                    Cent rifugol Fon
             (b)  Indoors,  outdoors,  inside  another vessel  (ProTide
                sketch  it possible)--------------
             (0)  Storage  required  tor collected  dust or liquid
                --------  (hours)
             (d)  Prelimin&J"7  size  inlet connection:   ____  inches,
                (dlllm., roct., aq.)  --------------
             (el  T7pe  or duet removal required----------
             (t)  Su!e;eated  Materials  or Constr-.iction
                shell:  ----  internals  ----------
         9.  Special conditions:---------------
                                                                          Tailings  Discharge i
                                                                                           Fines  Discharge
         Agure 4-55. Specification Sheet,  gas phase centrifugal  entrainment   Figure 4-57.  Inertial  centrifugal  dust separator.  Courtesy of Univer-
         separator (liquid or solid particles).                sal  Road Machinery Co.
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