Venturi Scrubber Design Calculation Xls Upd [ Verified ]

A well‑audited XLS file becomes your most valuable tool for rapid, confident venturi scrubber design.

The throat section is the high-velocity zone where liquid atomization occurs. Design throat velocities ( Vtcap V sub t ) typically span: ) to maintain liquid entrainment. Maximum Velocity: ) to control erosion and extreme pressure losses. Cross-Sectional Area Calculations The required cross-sectional area of the throat ( Atcap A sub t ) is determined directly from the operating gas flow rate:

Every design calculation begins with establishing the baseline operating conditions of the inlet gas and the scrubbing liquid. Gas Stream Properties Volumetric flow rate at actual operating conditions ( ACFMcap A cap C cap F cap M Gas Temperature ( Tgcap T sub g ): Inlet temperature ( ∘Craised to the composed with power cap C ∘Fraised to the composed with power cap F Gas Density ( ρgrho sub g ): Density at operating temperature and pressure ( Particulate Density ( ρprho sub p ): Density of the dust particles ( Particle Size Distribution (

An "upd" (update) in a design spreadsheet signals a shift from simple, fixed calculations to advanced, adaptable tools. Modern spreadsheets focus on: venturi scrubber design calculation xls upd

It is at this convergence zone that the "scrubbing" liquid (usually water) is introduced. The high-velocity gas shears the liquid into fine droplets, creating a massive surface area for interaction. The physics governing this interaction—specifically the pressure drop, droplet size (Sauter mean diameter), and collection efficiency—are non-linear and complex. Historical design methods relied on iterative manual calculations that were time-consuming and prone to human error. This is where the modern "XLS upd" (updated Excel spreadsheet) becomes an invaluable engineering asset.

This is the most complex formula in the sheet. Break it into intermediate named cells:

Apply lists to ensure gas and liquid selections choose correct physical properties (e.g., Air, Water, Caustic Soda). A well‑audited XLS file becomes your most valuable

: η = 1 – exp(-k * R * √ψ)

Pressure drop is the single most critical parameter determining operational costs (fan power consumption). The Calvert equation is widely accepted for predicting pressure drop across a Venturi throat:

Designing a venturi scrubber requires a precise balance of gas velocity, liquid-to-gas (L/G) ratios, and pressure drop calculations to ensure the effective removal of sub-micron particulate matter and gaseous contaminants. Maximum Velocity: ) to control erosion and extreme

Adjust input parameters until the pressure drop and efficiency meet the desired specifications. Conclusion

Calculate Cunningham slip factor C (use Tg in Kelvin):