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METHOD AND PROCESS FOR CO-COMBUSTION IN A WASTE-TO-ENERGY FACILITY
METHOD AND PROCESS FOR CO-COMBUSTION IN A WASTE-TO-ENERGY FACILITY
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机译:垃圾发电设施中共燃的方法和过程
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摘要
AN INTEGRATED CEMENT PRODUCTION AND WASTE DISPOSAL FACILITY IS PROVIDED WHERE A GASEOUS OR SOLID PRODUCT OF ONE PROCESS IS USED IN THE OTHER. IN A FIRST EMBODIMENT THE PROCESS MAY COMPRISE A ROTARY WASTE INCINERATOR (1) WITH A SECOND COMBUSTION CHAMBER (2) FROM WHICH GASES ARE ROUTED TO THE PRECALCINER (3) OF THE CEMENT PRODUCTION PROCESS. THE SECONDARY CHAMBER (2) MAY OPERATE AT A TEMPERATURE BETWEEN 1050°C - 1200°C AND THE GASES HELD FOR AT LEAST 4 SECONDS TO REMOVE PRECURSORS FOR DIOXIN FORMATION. ALTERNATIVELY OR IN ADDITION TO THE FIRST EMBODIMENT, THE PRECALCINER (3A) OR THE CEMENT PROCESS MAY BE USED AS A DRY SCRUBBER TO REMOVE ACIDIC PARTICLES IN THE GAS STREAM (9) FROM THE INCINERATOR (1). HEATED AIR (10) FROM THE CLINKER COOLING PROCESS MAY BE USED TO PROVIDE COMBUSTION AIR FOR THE INCINERATOR (1). SLAG PRODUCED IN THE REFUSE INCINERATOR MAY BE USED IN THE CEMENT PRODUCTION PROCESS.
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