The crystallinity and grain size of the powders increased with increasing calcining
temperature and calcining
heat is added via the fossil fuel combustion system into the fluid bed at a temperature from 1350-1650F (732-899C).
The order comprises a lime calcining
plant with a Low Pressure Drop (LPD) preheater system as well as erection and commissioning services.
Under the terms of the contract, Technip-Coflexip designed and built 2 grassroots petroleum calcining
units of 450, 000 ton/year and 4 seawater desalination lines (41.
Finnish process industry machinery and systems supplier Metso Corporation said on Friday (20 May) that its subsidiary Metso Minerals would supply three lime calcining
plants to the Chinese stainless steel manufacturer Tai Yuan Iron & Steel (Group) Co.
The study includes discussion on the change in the supply of existing calciner feedstocks as well as potential new sources of green coke that directly affect world calcining
operations and the quality and availability of calcined coke.
The sand is heated in a calcining
fluid bed to 1350-1650F (732-898C), before being cooled and penumatically scrubbed to remove dead clay and, binder and fines.
The first segment will include mine development, a calcining
plant, and a processing and bagging plant for agricultural gypsum.
Economics dictated the use of five minutes of intensive attrition without any thermal treatment (cold reclamation) instead of 10 minutes of intensive attrition accompanied by "flash calcining
," which would cost more than twice that of the cold system.
But as aluminum smelters come back on line, calcining
capacity could be switched back to coke production for the smelters.
For example, system experience indicates there is not a predetermined calcining
temperature and each case must be considered separately.
NYSE:CYT) announced today its decision to explore all strategic options available to enhance the value of its aluminum sulfate ("alum") business along with its kaolin mining and calcining
facility located in Andersonville, Ga.