Inquiry (采购产品): Calciner Doing an initial study on the possibility of calcining zircon sand. My understanding of the requirements are a temperature of 1100F, retention time(hot zone)~20 minutes, with an annual requirement of 10,000 to 12,000 tons. Please call or contact me. Doug Daugherty **** Hidden Message ***** Doug Daugherty 11817 Mosteller Road Cincinnati, OH 45241 USA Company: Continental Mineral Processing Title: President Phone: 51`3-771-7190 E-mail: ddaugherty@continentalmineral.com **** Hidden Message ***** ddaugherty@continentalmineral.com