Proper sizing ensures the gas reaches the necessary velocity to atomize the liquid. Venturi Scrubber Design Calculations | PDF | Gases - Scribd
d0=585Vt⋅σρl+597⋅(μlσ⋅ρl)0.45⋅(1000⋅LG)1.5d sub 0 equals the fraction with numerator 585 and denominator cap V sub t end-fraction center dot the square root of the fraction with numerator sigma and denominator rho sub l end-fraction end-root plus 597 center dot open paren the fraction with numerator mu sub l and denominator the square root of sigma center dot rho sub l end-root end-fraction close paren to the 0.45 power center dot open paren 1000 center dot the fraction with numerator cap L and denominator cap G end-fraction close paren to the 1.5 power = Liquid surface tension ( dynes/cmdynes/cm ρlrho sub l = Liquid density ( g/cm3g/cm cubed μlmu sub l = Liquid viscosity ( poisepoise Vtcap V sub t = Relative velocity in the throat ( 4. Pressure Drop Calculation ( venturi scrubber design calculation xls upd
The "upd" in venturi scrubber calculations is largely defined by a move from static spreadsheets to dynamic, interactive web-based simulators. Proper sizing ensures the gas reaches the necessary
An effective Excel design tool allows the engineer to input key variables: An effective Excel design tool allows the engineer
Use formulas to convert standard flow rates to actual flow rates ( Qactcap Q sub a c t end-sub ) based on temperature and operating pressure:
): For a particle size in microns (cell D12 ): =1 + (2 * 0.065 / D12) * (1.257 + 0.4 * EXP(-1.1 * D12 / (2 * 0.065))) If V_t is in cell B6 , gas density is in B8 , and L/m3L/m cubed
An alternative classical approach focuses on gas shear across the liquid film interfaces: