ProcessCalc - A Way Towards Easy Process Solutions

🧪 Reactor Design & Agitator Power Calculator

Tools / Reactor Design / Complete Calculator

Process Conditions

Process Fluid Custom Fluid Water Ethylene Glycol Glycerin Methanol Ethanol Acetone Toluene Isopropanol (IPA)

Bulk Temp °C

Fouling Factor m²·K/W

Density kg/m³

Viscosity cP

Specific Heat kJ/kg·K

Conductivity W/m·K

Operation Mode Batch Continuous

Geometry & Materials

Vessel ID mm

Tan-to-Tan mm

Shell Thickness mm

Wall Conductivity W/m·K

Head Type Torispherical (2:1) Elliptical (2:1) Hemispherical Flat

Material SS304 SS316 Carbon Steel Hastelloy C-276

Working Volume m³

Agitation System

Agitation Active

Impeller Type Rushton Turbine (Radial) Pitched Blade (45°) Pitched Blade (60°) Hydrofoil (Axial) Marine Propeller Anchor Helical Ribbon

Impeller Dia mm

Speed RPM

No. of Impellers

Bottom Clearance mm

Baffles None 4 (Standard) 6

Baffle Width mm

External Jacket

Jacket Active

Jacket Type Half-Pipe Coil Dimple Jacket Conventional Jacket

Utility Fluid Water Ethylene Glycol Therminol 66 Therminol VP-1 Dowtherm A Steam Custom

Inlet Temp °C

Outlet Temp °C

Flow Rate m³/hr

Fouling m²·K/W

Jacket ID mm

Jacket Height mm

Half-Pipe Size NPS 2" (NPS) 3" (NPS) 4" (NPS) 6" (NPS)

Pitch mm

Zones

Internal Coil

Internal Coil Active

Service Fluid Water Ethylene Glycol Therminol 66 Custom

Inlet Temp °C

Outlet Temp °C

Flow Rate m³/hr

Fouling m²·K/W

Tube OD mm

Tube ID mm

Coil Helix Dia mm

Pitch mm

No. of Turns

Tube Material W/m·K

Coil Start Height mm

Heat Duty Requirements

Duty Type Heating Cooling Reaction Heat Custom Duty

Heat Duty kW

Agitator Heat kW

Agitator heat input = Power consumed (auto-calculated if left at 0)

Reactor Elevation View

Agitator Power

-

kW

Jacket Duty

-

kW

Coil Duty

-

kW

Total Duty

-

kW

Plan View

Process Side (Internal) Turbulent

h_process -

Bulk Reynolds -

Power Number (Np) -

Agitator Power -

Power/Volume -

Tip Speed -

Torque -

Blend Time (est.) -

External Jacket Turbulent

Heat Transfer

Jacket Duty -

h_service (jacket side) -

U_jacket (overall) -

LMTD -

Required Area -

Available Area -

Hydraulics

Reynolds (jacket) -

Velocity -

Pressure Drop -

Thermal Resistance Breakdown

25%

10%

45%

12%

8%

Process Film

Process Fouling

Wall

Jacket Fouling

Jacket Film

Internal Coil Turbulent

Heat Transfer

Coil Duty -

h_process (coil OD) -

h_service (coil ID) -

U_coil (overall) -

LMTD -

Coil Surface Area -

Tube Length -

Hydraulics

Reynolds (tube) -

Tube Velocity -

Pressure Drop -

Dean Number -

Thermal Resistance Breakdown

40%

10%

25%

15%

10%

Process Film (OD)

Process Fouling

Tube Wall

Service Fouling

Service Film (ID)

Total Summary

Total Heat Duty -

Net Duty (incl. Agitator) -

Jacket Contribution -

Coil Contribution -

Jacket Wetted Area -

Shell Gross Area -

Fluid Properties (Film)

Jacket Service Fluid

T_film -

Density -

Viscosity -

Specific Heat -

Conductivity -

Coil Service Fluid

T_film -

Density -

Viscosity -

Specific Heat -

Conductivity -

Wall Temperatures

Vessel Inner Wall -

Vessel Outer Wall -

Coil Outer Wall -

Coil Inner Wall -

Viscosity Correction (Vi) -

Mechanical Design

Min. Shaft Diameter -

Critical Speed -

Shaft Deflection (est.) -

Motor Power (with SF) -

Radial Load (at bearing) -

Axial Load -

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