design and calculation separator
DESCRIPTION
design and calculation of separatorTRANSCRIPT
CUSTOMER JOB UNIT
xxxxxxxxx xxxxxxxxx xxxxx PLANT LOCATION
ITEMxxxxxxxxxx
PROJECT / UNITSh. of
Rev.
xxxxxxxxxxxx 0RATING INPUT
GAS PROPERTIESMass Flow Rate kg/h 71740.0 Separator Type OtherDensity 9.08 Inlet Distributor Type Half Open PipeViscosity cp 0.0094 YesAdiabatic Coeff. cp/cv / 1.162 Head Type Elliptical 2:1Compressibility Factor Z / 0.9309Molecular Weight kg/kmol 44.65
LIGHT LIQUID PHASE PROPERTIES OPERATING CONDITIONSMass Flow Rate kg/h 35410.0 Temperature °C 32.22Density 602.30 Pressure (gauge) barg 4.80Viscosity cp 0.1896
NOZZLES Inlet in 24
HEAVY LIQUID PHASE PROPERTIES Gas Outlet in 14Mass Flow Rate kg/h 5361.0 Light Liquid Outlet in 6Density 1002.00 Heavy Liquid Outlet in 2Viscosity cp 0.7606 Manhole in 24
VESSEL SIZING GEOMETRICAL DATAVessel Diameter D mm 3500 TG-Demister Top Surf. mm 450Demister Lenght mm 1650 Liq-Liq Sep. Lenght L* mm 9000Demister Thickness mm 150 Gas Outlet Nozzle - TL mm 850Vessel Lenght L mm 12000 Vessel L/D / 3.43
HEAVY LIQUID PHASE LEVELS LIGHT LIQUID PHASE LEVELSBG-LLIL mm 300 HHIL-LLLL mm 150LLIL-LIL mm 150 LLLL-LLL mm 150LIL-HIL mm 350 LLL-HLL mm 350HIL-HHIL mm 150 HLL-HHLL mm 150
kg/m3
Demister (See Note 1)
kg/m3
NIN
NG
NLl
kg/m3 NLh
h0
L1
h2 h2' HIIi HII
Hrli Hrl
Hii HI
REV DATE DESCRIPTION ISSUED CHECKED APPROVED
CUSTOMER JOB UNIT
xxxxxxxxx xxxxxxxxx xxxxx PLANT LOCATION
ITEMxxxxxxxxxx
PROJECT / UNITSh. of
Rev.
xxxxxxxxxxxx 0RATING OUTPUT
SEPARATION DATA
GAS/LIQUID SEPARATION (See Note 2) HEAVY FROM LIGHT LIQUID PHASE SEPARATIONLight Liq. Drop. Diameter μm 55 μm 22Calculated 'k' factor m/s 9.57E-03 μm 22
DEMISTER (See Note 3) LIGHT FROM HEAVY LIQUID PHASE SEPARATIONm/s 0.107 μm 18m/s 0.100 μm 21
RESIDENCE TIMES
HEAVY LIQUID PHASE LIGHT LIQUID PHASE min 46.70 min 6.73min 136.67 min 16.37min 67.22 min 7.16
min 64.64
NOZZLES
Inletv m/s 7.58
Pa 812Pa*m/s 87055
Gas Outletv m/s 22.11
Pa 4436Pa*m/s 98051
v m/s 0.90Pa 483
Pa*m/s 432v m/s 0.73
Pa 539Pa*m/s 395
Drop.Diameter @ NIL-NILL
Drop.Diameter @ HHIL-LLLL
Recommanded 'KR' Factor Drop.Diameter @ BG-NIL
Calculated 'KR' Factor Drop.Diameter @ BG-LLIL
LLIL-LIL τIIi LLLL-LLL τII
LIL-HIL τrli LLL-HLL τrl
HIL-HHIL τIi HLL-HHLL τI
Overfilling above HHLL (See Note 4) τ
ρv2
ρv3
ρv2
ρv3
Light Liquid Outlet
ρv2
ρv3
Heavy Liquid Outlet
ρv2
ρv3
REV DATE DESCRIPTION ISSUED CHECKED APPROVED
CUSTOMER JOB UNIT
xxxxxxxxx xxxxxxxxx xxxxx PLANT LOCATION
ITEMxxxxxxxxxx
PROJECT / UNITSh. of
Rev.
xxxxxxxxxxxx 0RATING CALCULATIONS
GEOMETRICAL DATAh/D Trasversal Area Head VolumeX A V Vf[/]
0.50 4.81 57.73 2.81(HHLL-BG)/D 0.50 4.81 57.73 2.81(HLL-BG)/D 0.46 4.29 51.43 2.45(NLL-BG)/D 0.41 3.68 44.16 2.03(LLL-BG)/D 0.36 3.08 37.02 1.64
(LLLL-BG)/D 0.31 2.59 31.07 1.31(HHIL-BG)/D 0.27 2.11 25.34 1.02(HIL-BG)/D 0.23 1.66 19.88 0.75(NIL-BG)/D 0.18 1.16 13.97 0.47(LIL-BG)/D 0.13 0.72 8.68 0.25
0.09 0.40 4.79 0.12
GAS-LIQUID SEPARATION
SEPARATION DATA (See Note 7) DEMISTER
Gravity Sep. Height mm 1750 / 1Gas-Liq. Sep. Lenght mm 10325 Gas Velocity m/s 0.81Light Liq. Drop. Term. Vel. m/s 0.077C/Re / 1.91E+00
LIQUID-LIQUID SEPARATION
HEAVY FROM LIGHT LIQUID PHASE SEPARATIONLight Liquid Sep. Level / NIL-NILL HHIL-LLLLHeavy Liq. Drop.Term. Vel. m/s 5.77E-04 5.70E-04C/Re / 1.42E+04 1.48E+04
LIGHT FROM HEAVY LIQUID PHASE SEPARATIONHeavy Liquid Sep. Level / BG-NIL BG-LLILLight Liq. Drop. Term. Vel. m/s 8.86E-05 1.24E-04C/Re / 5.68E+06 2.07E+06
NOZZLESGas Sound Velocity m/s 248.01Gas Phase Mass Fraction / 0.64Mixed Phase Density 14.12Total Liquid Density 635.64Mixed Phase Critical Vel. m/s 199.64
REV DATE DESCRIPTION ISSUED CHECKED APPROVED
A∙L
[m2] [m3] [m3]h1/D Av Vv Vfv
Aw Vw Vfw
At Vt Vft
An Vn Vfn
Au Vu Vfu
Az' Vz' Vfz'
Awi Vwi Vfwi
Ati Vti Vfti
Ani Vni Vfni
Aui Vui Vfui
h2/D Az Vz Vfz
h1 'KR' Correction FactorL0
kg/m3
kg/m3
CUSTOMER JOB UNIT
xxxxxxxxx xxxxxxxxx xxxxx PLANT LOCATION
ITEM 0xxxxxxxxxx
PROJECT / UNITSh. of
Rev.
xxxxxxxxxxxx 0
L
12000
(See Note 7)
10325 850
24 14
TG
###
D
450
###15
01650
TL
MH= 24
BG
Elliptical 2:1 2 6
B - B
LIQUID LEVELS
mm
LLIL 300LIL 450NIL 625HIL 800
HHIL 950LLLL 1100LLL 1250NLL 1425HLL 1600
HHLL 1750
B - B
REV DATE DESCRIPTION ISSUED CHECKED APPROVED
ENGINEERING AND DESIGN INSTITUTE FOR OIL REFINERIES AND PETROCHEMICAL PLANTS
PLOIESTI - ROMANIA
RATING SKETCH (See note 6)
L0 L1
NIN= NG=
h0
h1
h2
NLh= NLl=
h1
h2
Half O
pen
Pipe
HI
Hrl
HIl
h2'
HIi
Hrli
HIIiLLIL
LIL
HIL
HHIL
LLLL
LLL
HLL
HHLL
Av
Az
CUSTOMER JOB UNIT
xxxxxxxxx xxxxxxxxx xxxxx PLANT LOCATION
ITEM 0xxxxxxxxxx
PROJECT / UNITSh. of
Rev.
xxxxxxxxxxxx 0NOTES
Note 1: Vessel shall be suitable for removal of 95% of 200÷400 μm liquid particles.Mesh Pad Demister shall be suitable for removal of 99.9% of 10 μm liquid particles.
Note 2: Light Liquid Droplet Separation from Gas @ HHLLNote 3: For Operating Pressure P<0.1 barg and P>1 barg the 'KR' Demister Factor is extrapoleted.
See PRG.PR.VES.0001 Paragraph 4.1.3.Note 4: Overfilled is referred to Light Liquid OverflowNote 5: DeletedNote 6: All sizes are in mm, unless nozzle sizes are in inch.Note 7: Gravity Separation Lenght (L0) is the distance between TL and Demister.
REV DATE DESCRIPTION ISSUED CHECKED APPROVED