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Coca-Cola Enterprises-West <br /> LISTEC 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 /> middle of the oxidizer beet due to the oxygen content of the <br /> ignition point is reached in 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 /> j hydrocarbons is self-sustaining and no additional heat energy is required during the process <br /> r- E operation. <br /> 5.4.2 Fan Motor,and Drive <br /> The unit is equipped with a rtg:nerative blower designeA For continuous seryice. The blower <br /> m system also includes a flow control sampler,drive motor,belts,pulleys,and guards. The blower <br /> and drive parameters are listed below: <br /> f <br /> Flow: 600 cfm at 70°F <br /> Vacuum: 12" Hg total <br /> j Horsepower: 40 (electric) <br /> i ' <br /> The unit is capable of operation in this installation at 100 - 200 cfrn without a major loss of <br /> j efficiency. <br /> �- <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 far the <br /> - application. <br /> 5.4.4 $ed CdSin1'� <br /> The <br /> bed g <br /> casin consists of an ail-welded construction stiffened to withstand the forced draft <br /> pressure requirements and lateral loads from the heat transfer media. <br /> I <br /> i <br /> -- ------..---T - 21 — --- <br /> C� <br /> to <br /> Y <br />