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Coca-Cola Enterprises - West <br /> USTEC Job No. 90054.03 <br /> When the hydrocarbon contaminated process gas passes through the silica bed and approaches <br /> the heating elements its temperature rapidly increases Complete combustion occurs when the <br /> ignition point is reached in the middle of the oxidizer bed due to the oxygen content of the <br /> process gas. With a sufficient concentration of hydrocarbons in the incoming process gas(about <br /> 200 ppm gasoline), the heat energy is sufficient so that the destruction reaction of the <br /> hydrocarbons is self-sustaining and no additional heat energy is required during the process <br /> operation. <br /> 5.4.2 Fan Motor. and Drive <br /> IThe unit is equipped with a regenerative blower designed for continuous service The blower <br /> system also includes a flow control sampler,drive motor,belts,pulleys,and guards. The blower <br /> and drive parameters are listed below <br /> Flow 600 cfm at 70°F <br /> Vacuum 12" Hg total <br /> Horsepower 40 (electric) <br /> The unit is capable of operation in this installation at 100 200 cfm without a mayor loss of <br /> ' efficiency. <br /> 5.4.3 Heat Transfer Media <br /> The high temperature heat transfer media consists of a single porous bed of silica gravel,sized <br /> ' to provide the most efficient heat recovery while maintaining the optimum pressure drop for the <br /> application <br /> 5.4.4 Bed Casing <br /> The bed casing consists of an all-welded construction stiffened to withstand the forced draft <br /> ' pressure requirements and lateral loads from the heat transfer media <br /> 21 <br /> L-f T <br />