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1 SECTION 11222 <br /> 3 STATIC MIXER AND INJECTION SPOOLS <br /> 4 <br /> 5 <br /> ' 6 PART 1: GENERAL <br /> 7 <br /> 6 1.01 DESCRIPTION <br /> 1 9 <br /> 10 The work of this section consists of furnishing and installing inline static mixing an <br /> 11 chemical injection fittings for the injection and mixing of chemicals. <br /> 12 <br /> ' 13 1.02 RELATED WORK SPECIFIED ELSEWHERE <br /> 14 <br /> 15 A. Section 11807: Housed Effluent Filter Polymer System <br /> 1s <br /> 17 B. Division 15: Piping and Appurtenances <br /> 16 <br /> 19 1.03 SUBMITTALS <br /> ' 20 <br /> 21 A. In accordance with Section 01300. <br /> 22 <br /> 23 B. Drawings and descriptive data and brochures of each item of equipment. <br /> 24 <br /> 25 C. Certified dimensional drawings and weights of each item of equipment. <br /> 2s <br /> 27 <br /> 26 PART 2: MATERIALS <br /> 29 <br /> ' 30 2.01 GENERAL <br /> 31 <br /> 32 A. The static mixer shall incorporate mixing elements of sufficient thickness and flexural rigidity <br /> 33 to withstand the hydrodynamic forces of the process flow and the static head of the <br /> 34 process and supported process fluid. Mixer elements shall be integral to the mixer <br /> 35 housing. <br /> ' 36 <br /> 37 B. The static mixer will be configured to divide and rotate the flow streams radially as the flow <br /> 36 moves axially through the mixer. It will approximate a pure plug flow condition with uniform <br /> 39 residence time distribution so as to minimize back mixing. The inline mixer will consist of <br /> 40 mixing elements in series that sequentially change the direction of flow rotation 180 <br /> 41 degrees. <br /> 42 <br /> 43 C. A complete mix will be considered to have been achieved if the standard deviation o <br /> 44 concentration about the volumetric arithmetic mean does not exceed 0.1. <br /> 45 <br /> 46 D. The cross-sectional flow area of the mixer will be at least 98% of the open area. The <br /> ' 47 mixing elements will expose minimal surface area to corrosion and abrasion. <br /> 4e <br /> 49 <br /> ' STATIC MIXER AND INJECTION SPOOLS <br /> 051094 11222-1 <br />