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pp 1 of 3 <br /> <br />FOREWORD <br /> <br /> The Shaffer Aluminum Recovery Furnace, Model 2500,owned <br />and operated by Danny's Trannies, is scheduled to be <br />relocated to a facility in Ramsey, MN. The new location will <br />require provisions to remove potential particulates from the <br />furnace flue gas to meet Local and State emission standards. <br /> <br /> A plant visit was arranged by Mr. Dan Karst to observe <br />the recyclable alu~.inum smelting operations in Rogers, MN on <br />March 7, 1989. <br /> <br /> This report presents the preliminary results on <br />installing a baghouse filter to lower any potential <br />particulate emissions to a level of less than 0.01 grains <br />per dry standard cubic foot. <br /> <br />RECOVERY FURNACE <br /> <br /> The Shaffer Aluminum Recovery Furnace, Model 2500, has <br />an input capacity of 2000 lbs/hr of feed material.The <br />furnace will recover approximately i500 lbs/hr of aluminum <br />from the feed material. <br /> <br /> This furnace is a batch operated process and it is <br />charged with scrap aluminum by opening a section of the <br />furnace. A 3 PL~ BTU/hr propane burner supplies the heat to <br />the system. The furnace has two top located outlets that <br />direct the ~ ~ . <br /> ~ue gases to a ~ foot by 8 foot hood <br /> <br /> The furnace incorporates an induced draft fan that <br />draws the flue gas from the hood down into a one-stage <br />horizontal spray chamber that is designed to cool and remove <br />the particulates before being discharged to the atmosphere. <br /> <br /> A reverberatory a!,~in'~r~ furnace was in cperation at <br />the time cf ~y vlsi~ ~nd nhe snack effluent was observed for <br />a period cf apprcximaue!y one hour. The stack was clear with <br />no no~ice-~b.!e emissions. <br /> <br /> a ...... ~ scrap mav=-~=] ~-~ock ~i!ed .. .=co~e~}. <br />were note~ ~o De of various t~-oes ~c~udlng castlncs, -~-~= <br />and a!tnninum/iron co~2oinations. <br /> <br /> <br />