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饱水文物的脱水干燥是文物保护工作中的一项重要内容。超临界干燥技术是一项新兴的脱水工艺,其处理周期短、脱水过程不会产生破坏文物的表面张力,脱水过程同时有杀菌效果,因此备受文保工作者青睐。本文从超临界干燥技术的原理出发,详细介绍了超临界干燥的过程,常见超临界干燥仪的结构及其在饱水木质文物中的应用。
The dehydration and drying of aquatic cultural relics is an important part of cultural relic protection. Supercritical drying technology is a new dehydration process, the treatment cycle is short, the dehydration process will not produce damage to the surface tension of artifacts, dehydration process also has bactericidal effect, it has been favored by conservationists. Based on the principle of supercritical drying technology, this paper introduces the process of supercritical drying in detail, the structure of common supercritical drying instrument and its application in saturated woody cultural relics.