Rapid Mix

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Orifice Sizing Algorithm

Introduction

The AguaClara team is making changes in the arrangement of the Rapid Mix system.  This page will document and describe the current changes in the Rapid Mix system and the algorithm for preparing an AutoCADD drawing of the Rapid Mix system. 

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In the current design, we have two orifices on the same pipe segment.  Originally, the micro-mixing orifice was after the first pipe bend.  However we have decided to change that to allow facility of removal when cleaning is required.  The micro-mixing orifice is two pipe diameters below the macro-mixing orifice.  This ensures adequate mixing time for macro-mixing to take effect.  The orifices for both equations are sized using the equations of minor loss coefficient for a submerged orifice. 

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