Page 71 - Chemical process engineering design and economics

56 Chapter 2

Table 2.8 Direct Cost Factors for Equipment Installation-Individual Factor
Method

Equipment 3 Factor Equipment Factor

Agitators (CS) b 1.3 Heat exchangers (shell/ tube) d
Agitators (SS)° 1.2 SS/SS 1.9
Air Heaters, all types 1.5 CS/SS 2.1
CS/AI 2.2
Beaters 1.4 CS/Cu 2.0
Blenders 1.3 CS/Monel 1.8
Blowers 1.4 Monel/Monel 1.6
CS/Hastalloy 1.4
Boilers 1.5
Centrifuges (CS) 1.3 Instruments, all types 2.5
Centrifuges (SS) 1.2 Miscellaneous (CS) 2.0
Miscellaneous (SS) 1.5
Chimneys and stacks 1.2
Columns, distillation (CS) 3.0 Pumps
Columns, distillation (SS) 2.1 Centrifugal (CS) 2.8
Centrifugal (SS) 2.0
Compressors, motor drive 1.2 Centrifugal.Hastalloy trim 1.4
Compressors, steam or 1.5 Centrifugal, nickel trim 1.7
gas drive Centrifugal, Monel trim 1.7
Conveyors and elevators 1.4 Centrifugal, titanium trim 1.4
Cooling tower, concrete 1.2 All others (SS) 1.4
Crushers, classifiers, mills 1.3 All others (CS) 1.6
Crystallizers 1.9
Reactors
Cyclones 1.4 Kettles (CS) 1.9
Dryers, spray and air 1.6 Kettles, glass lined 2.1
Dryers, other 1.4 Multitubular (SS) 1.6
Multitubular (Cu) 1.8
Ejectors 1.7 Multitubular (CS) 2.2
Evaporators, calandria 1.5
Evaporators, thin film (CS) 2.5 Refrigeration Plant 1.5
Steam Drum 2.0
Evaporators, thin film (SS) 1.9 Sum of equipment costs (SS) 1.8
Extruders, compounding 1.5 Sum of equipment costs (CS) 2.0
Fans 1.4

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