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首页> 外文会议>Waste management 2004 symposium (WM'04): waste management, energy security and a clean environment >ADVANCED COLD CRUCIBLE MELTER PILOT PLANT CHARACTERISTICS AND FIRST RESULTS ON HLLW SURROGATES
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ADVANCED COLD CRUCIBLE MELTER PILOT PLANT CHARACTERISTICS AND FIRST RESULTS ON HLLW SURROGATES

机译：超硬替代品的先进冷坩埚试验设备特性和第一结果

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A new direct induction melter concept known as the“Advanced Cold Crucible Melter”(ACCM)has been developed by the CEA to increase the glass production capacity with direct liquid or solid feed,and to improve the cold crucible energy efficiency.The new design conserves the major advantages of the cold crucible melter:no corrosion by the molten material,high-temperature processing capability without pollution of the melt by the crucible.The highly simplified design of this melter also facilitates maintenance operations. A new demonstration pilot facility implementing this design has been built at Marcoule to develop a simplified vitrification process for nuclear waste and demonstrate melter operation at large scale.This paper describes the R&D pilot facility known as“CFA 2001”,comprising an ACCM melter 1.1 meter in diameter with both solid and liquid waste feed provisions.The process off-gas is purified through a dust scrubber,a condenser and a caustic washing column.The principal results concerning the induction melter thermal balance are discussed.The mechanical stirrer effect on treatment capacity is shown.HLLW vitrification tests with direct liquid feed at the surface of the molten glass and separate glass frit feed have been successfully carried out.
机译：CEA开发了一种称为“高级冷坩埚熔化器”（ACCM）的新的直接感应熔化器概念，以提高直接液体或固体进料的玻璃生产能力，并提高了冷坩埚的能效。冷坩埚熔化器的主要优点是：熔融材料不腐蚀，高温加工能力，坩埚不污染熔体。这种熔化器的高度简化设计也便于维护操作。在马库莱（Marcoule）建造了一个采用该设计的新示范试验设施，以开发简化的核废料玻璃化工艺并大规模示范熔化器的运行。本文介绍了称为“ CFA 2001”的研发试验设施，该装置包括一个ACCM熔化器1.1米直径包括固体和液体废物进料。通过除尘器，冷凝器和苛性碱洗涤塔净化工艺废气。​​讨论了有关感应熔炉热平衡的主要结果。机械搅拌器对处理能力的影响已经成功进行了在熔融玻璃表面直接进料和单独的玻璃料进料的HLLW玻璃化试验。

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