全瓷冠桥专用智能升降电炉设计及能效分析

Design of Smart Lifting Electric Furnace for All--ceramic Crown and Bridge Sintering and Energy Efficiency Analysis

为了满足氧化锆全瓷冠桥（义齿）生产需要，根据实验电炉的最新设计理念，运用有限元技术时炉膛材料和结构、加热元件数量和分布进行了优化设计。通过智能技术、高性能材料的集成优化，实现了全瓷冠桥专用智能升降电阻炉的批量生产。最终，经效能分析和性能评估可知，本电炉具有结构紧凑、节能环保、温度场均匀和升降温速度快等优点，特别适用于牙科全瓷冠桥、实验室样品制备等领域应用。

The structures, refractory materials, heating element number and distributions of the furnace have been optimized by finite element method according to a new design concept so as to meet the needs of zirconia all--ceramic crown and bridge （denture） sintering. Through the integrated optimization of the intellectual technology and high performance materials, the mass production of smart lifting electric furnace for all--ceramic crown and bridge sintering has came true. The energy efficiency analysis and performance evaluation results shown that the furnace have many advantages, i. e. compact structure, energy saving and environmental protection, unparalleled thermal uniformity and speedy heating and cooling. Especially, it＇s suitable for the application of all--ceramic crown and bridge and laboratory sample sintering.