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The authors report the development of a valve for handling a hot fluid material such as the coal dust formed in the smelting of direct reduced Fe ore. In this system. those parts of the valve body in direct contact with the material have douhle walls which contain a nonfluid medium such as kaowool between them for heat insulating the walls. Those parts which do not have direct contact, however, are cooled with a fluid medium such as water.
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IO Engines (power generation and propulsion, electrical vehicles) a heat exchanger that operates at 1094' was assumed to take advantage of high-temperature heat exchanger technology currently under development by Morgantown Energy Technology Center for coal gasifiers.