蒸馏塔是氨水吸收装置的关键部件，包括先进的发电机-吸收器热交换（GAX）循环热泵。蒸馏塔的设计对装置的性能、尺寸和成本至关重要。蒸馏塔可设计为随机填料、规整填料或各种塔板配置。筛板蒸馏塔是最简单的塔板设计，其成本低于高效填料。关于筛板设计和性能的大量文献可用。然而，大多数关联式和设计建议是针对大型工业碳氢化合物系统开发的，通常不直接适用于紧凑型氨系统- 这里讨论的是水柱。对相关性进行了审查，并对其进行了适当的修改，从而开发了筛板设计模型。本文介绍了高紧凑型氨水塔的筛板设计方法。介绍了一种8吨级蒸汽交换（VX）GAX热泵精馏塔的概念设计，给出了相关设计参数和发展趋势。设计过程揭示了几个问题，这些问题必须通过实验进行研究，以设计最终优化的整流器。验证溢流和漏液极限以及塔板/点效率至关重要。单位:双引文: 研讨会，ASHRAE交易，第105卷，pt。1.

The distillation column is a key component of ammonia-water absorption units including advanced generator-absorber heat exchange (GAX) cycle heat pumps. The design of the distillation column is critical to unit performance, size, and cost. The distillation column can be designed with random packing, structured packing, or various tray configurations. A sieve-tray distillation column is the least complicated tray design and is less costly than high-efficiency packing.Substantial literature is available on sieve tray design and performance. However, most of the correlations and design recommendations were developed for large industrial hydrocarbon systems and are generally not directly applicable to the compact ammonia-water column discussed here. The correlations were reviewed and modified as appropriate for this application, and a sieve-tray design model was developed. This paper presents the sieve-tray design methodology for highly compact ammonia-water columns. A conceptual design of the distillation column for an 8 ton vapor exchange (VX) GAX heat pump is presented, illustrating relevant design parameters and trends. The design process revealed several issues that have to be investigated experimentally to design the final optimized rectifier. Validation of flooding and weeping limits and tray/point efficiencies are of primary importance.Units: Dual