Venturi Scrubber Design Calculation Xls Upd Patched Official

). Here, the scrubbing liquid is injected and sheared into a high density of micro-droplets.

): Calculated using the Ideal Gas Law based on operating temperature ( Tgcap T sub g ) and pressure ( Pgcap P sub g Temperature-dependent dynamic viscosity ( Particle Density ( ρprho sub p ): Density of the target dust particulate ( kg/m3kg/m cubed Liquid-to-Gas Ratio (

The primary design parameters include:

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

For peer-reviewed discussion on practical implementation, you can check threads on , where engineers share and troubleshoot custom-made scrubber performance spreadsheets. Venturi Scrubber Design Calculations | PDF | Gases - Scribd venturi scrubber design calculation xls upd

flowchart TD A[Define gas flow & conditions] --> B[Set target efficiency] B --> C[Assume vt 60–120 m/s] C --> D[Calculate throat area] D --> E[Choose L/G ratio & liquid flow] E --> F[Compute droplet diameter] F --> G[Compute collection efficiency] G --> HEfficiency ≥ target? H -- No --> C H -- Yes --> I[Compute ΔP Hesketh/Calvert] I --> JΔP acceptable for fan? J -- No --> C J -- Yes --> K[Finalise dimensions & design report]

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

This parameter defines the likelihood of a particle colliding with a droplet. It is calculated using the particle diameter (dp), particle density (ρp), throat velocity (vt), gas viscosity (µg), and the droplet diameter (dl) from the previous step.

An authoritative report detailing simplified equations derived from Calvert's and Boll's models. It is ideal for programmers or engineers looking to build or verify their own Excel performance models . H -- No --> C H -- Yes

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: Determines the precise diameters and lengths for the converging , throat , and diverging sections based on target gas velocities.

: Estimates the water or chemical solution needed to replace evaporative losses. Where to Find the Spreadsheet

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Dt_m = SQRT( (4 * At_m2) / PI() )

A Venturi scrubber is a type of air pollution control device used to remove particulate matter and gases from industrial exhaust streams. The design of a Venturi scrubber requires careful calculation to ensure efficient operation and optimal performance. This write-up provides an overview of the design calculation for a Venturi scrubber using an XLS (Excel) spreadsheet.

The impaction parameter ψ is: