本文介绍了新型立体垂直筛板的结构、传质原理和塔板特性,详细介绍了新型立体垂直筛板塔的开发进展和十二种新开发的立体垂直塔板,并详尽分析各种立体垂直筛板的帽罩形式及特点,指出了其优缺点,提出了今后立体垂直塔板开发的趋势和方向。 This paper introduces the structure, mass transfer principle and tray characteristics of the new three-dimensional vertical sieve, introduces the development of the new three-dimensional vertical sieve tray and the newly developed three-dimensional vertical trays in detail, and analyzes various kinds of vertical and vertical The form and characteristics of the cap of the sieve plate, pointed out its advantages and disadvantages, and proposed the trend and direction of the development of the stereoscopic vertical plate in the future.