Venturi Scrubber Design Calculation Xls Upd Portable -

ratio may offer a more energy-efficient optimization pathway.

A dimensionless number used to determine collection efficiency:

The velocity decreases, allowing for pressure recovery and agglomeration of particles.

Excel Formula Example for Throat Diameter: =2*SQRT(A_throat/PI()) Tab 3: Performance & Pressure Drop and fluid power requirements.

Based on the process gas flow rate and your target throat velocity, calculate the throat area ( Atcap A sub t venturi scrubber design calculation xls upd

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To build an Excel-based design tool, follow these sequential steps:

If you are updating an older Venturi calculation sheet, integrate these modern spreadsheet practices:

The key to high efficiency is maximizing the velocity differential between the gas and the atomized liquid droplets, which enhances particle collection. 2. Key Equations in Venturi Scrubber Calculation ratio may offer a more energy-efficient optimization pathway

cap delta cap P equals 5.0 cross 10 to the negative 5 power center dot open paren cap V sub t close paren squared center dot open paren cap L / cap G close paren cap delta cap P is in inches of water ( cap V sub t is the throat velocity (fps). is the liquid-to-gas ratio ( Note: For more precise modeling, the Yong Equation

Determines the average molecular weight ( Mwcap M sub w ) and the saturation dew point. Liquid Stream Properties Liquid Flow Rate ( Qlcap Q sub l ): Typically handled as a ratio against the gas volume. Liquid-to-Gas Ratio ( ): Measured in . Normal ranges vary between Liquid Density ( ρlrho sub l ) and Viscosity ( μlmu sub l

A robust spreadsheet should automate the following core calculations: Pressure Drop ( ΔPcap delta cap P

For an updated, clean user experience, divide your XLS workbook into four dedicated tabs: Tab 1: Input Dashboard Based on the process gas flow rate and

Required Fan Power (kW)=Qg⋅ΔPηfan⋅102Required Fan Power (kW) equals the fraction with numerator cap Q sub g center dot cap delta cap P and denominator eta sub fan end-sub center dot 102 end-fraction For a standard system moving of process gas with a calculated pressure drop of fan efficiency, the primary motive fan will draw of electrical power.

The narrowest part where scrubbing liquid (typically water) is injected. The high-velocity gas atomizes the liquid into fine droplets.

ηcol=1−exp(−k⋅R⋅ψ)eta sub c o l end-sub equals 1 minus exp open paren negative k center dot R center dot the square root of psi end-root close paren Where: = Scrubber empirical constant (typically = Liquid-to-gas ratio = Inertial impaction parameter 6. Structure Layout for Excel (XLS) Automation

The pressure drop is a critical performance indicator, as it directly relates to the energy required to operate the scrubber. Hesketh Equation : Commonly used to estimate cap delta cap P (in Pascals):

Venturi Scrubber Design Guide | Sizing, Equations & Optimization

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