Rotary Retorts - SELAS - #1

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ELECTRIC OR GAS 1 TEMPI Avouable in 900F and 1200 F modeis. the roîary drum tempertng furnace is designed to complément the rolory retort hardening furnace. The draw-îempering furnace ls sized equai to or targef tnan the hardenlng furnace. since the draw-tempertng cycles are usuolly somewhat longer Design eonsulci-.it ïoiis RE TORT—The 30Vnnch-cJiameter fabncareddrum utfczes an intégrai OTtvey*>g screw wtn deep f itghts to c reare a large wofkrng volume. The furnace (s tilted to enhance the flow o* product and, conséquent*/, the productrvity ot the retort AIR FLOW—Squirrei^cage fans are used to tc*ce heated a»r around and through the reton. Each end of the retort has a ser»es oî aur ftow openings to permrt air to pass through the reflon and mix with the product as it is tumtfed As the heated a*r ffcws counte* to the product. an optmgm unjlormrfy and heatmg rate concMion «s otoained BURN[R lOfl HCATÏOAJft OW 6as FIMO HOOCL fis ELICÏPUC HOTffl FOU HEATED M OH ELECTMC MO«L POWER OUMP GATE—A pneumaicaity powered dump gâte m the drop chute opens tw»ce per drum révolution to d»scharge the product. while rnaintairong an air seai the balance ot the tme When an oil coating or water puench tank ts used totkwog the draw. the dump gale is not used. sjnce the l»qod îevei torms the air seal ïo the dropchuie The Heat Technology Company