Casting and hot-rolling are combined into one continuous process. The as-cast thin slabs pass through a soaking (or muffle) furnace, and are then directly hot-rolled, in-line, into strips. 1) As a result, the costs of reheating and rolling can be considerably reduced, as compared to the CCC process, 2) but steel quality can be compromised.
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2015324The heating values were estimated using an oxygenbomb calorimeter (XRY-1A, Shanghai, China). The ash content was determined by dry combustion in a muffle furnace at 550 ± 10°C, and the volatile matter content was determined at 900 ± 10°C under air-free conditions.
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The crucible was placed inside a muffle furnace (Blue M Electric Company, IL). The temperature of the furnace was increased to 250oC for 30 minutes, and followed by increasing to 575oC for 3 hours. The samples were cooled down to 105oC for 8 hours until the samples were collected.
It was dried in a drying oven at 100°C for 8 hours, and then at 200 0 C for 16 hours, and then calcined in an electric muffle furnace under an air stream at 450°C for 16 hours. Then, 250 g of the calcined product was subjected to ion-exchange at 80°C for 24 hours using 1.5 liters of a 5% by weight aqueous solution of ammonium chloride.
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Furnace The furnace chamber is heated by four electric resistance heaters which are embedded in a refractory material. The chamber is insulated with a ceramic fiber insulation. The control is located under the furnace chamber and is well insulated from the heat generated in the furnace chamber. Adoor safety switch removes power to the heating ele-
Hello guys, I recently became interested in refining and still reading a lot on the process as in this area I am still a newbie. What I noticed was that some people are trying to build electric kilns and in this area I do have some experience, so I wanted to contribute a little of what I know on this process to the forums.