Development of a Simulation Experiment Platform for Cryogenic Distillation

doi:10.7652/xjtuxb202108018

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Development of a Simulation Experiment Platform for Cryogenic Distillation

更新时间：2025-07-09

- Development of a Simulation Experiment Platform for Cryogenic Distillation
- Vol. 55, Issue 8, Pages: 150-156(2021)
- 作者机构：
  
  1. 中国科学院理化技术研究所航天低温推进剂技术国家重点实验室,北京,100190
  2. 中国科学院大学,北京,100190
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb202108018
  CLC： TB65
- Online First：10 August 2021，
  
  Published：2021
- 稿件说明：
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Development of a Simulation Experiment Platform for Cryogenic Distillation[J]. 2021, 55(8): 150-156.
DOI：

Development of a Simulation Experiment Platform for Cryogenic Distillation[J]. 2021, 55(8): 150-156. DOI： 10.7652/xjtuxb202108018.

摘要

针对目前低温精馏多采用小型低温制冷机作为冷凝器冷源而难以满足工业应用中大规模处理精馏原料的问题

提出将大型低温制冷机应用于低温精馏的方案

设计并搭建了一套基于逆布雷顿循环的低温精馏模拟实验平台

同时满足了冷凝器、再沸器和冷屏的负载模拟要求

解决了回收再沸器冷量过程难以模拟的问题。对模拟实验平台进行了测试

可在20 K温区为冷凝器提供约600～1 200 W的制冷量

回收再沸器的冷量

并为冷屏提供500 W以上的制冷量

透平膨胀机效率均在70%以上。本文结果验证了大型低温制冷系统应用于低温精馏技术的可行性。

Abstract

A scheme of applying a large-scale cryogenic refrigerator to cryogenic distillation is proposed to solve the problem that the current cryogenic distillation mostly uses regenerative refrigerator as the cold source of the condenser

and it is difficult to meet the needs of industrial applications for large-scale processing of distillation materials. A simulation experiment platform of cryogenic distillation based on the reverse Brayton cycle is designed and built

which simultaneously meets the load simulation requirements of the condenser

reboiler and cold shield

and solves the problem that the process of recovering the cooling power of the reboiler is difficult to simulate. The simulation experiment platform is tested. It provides refrigeration capacity of about 600-1 200 W for the condenser in the temperature range of 20 K

recovers the cooling power of the reboiler

and provides cooling power of more than 500 W for the cold shield. The efficiency of the turbine expander is more than 70%. Feasibility of applying the large-scale cryogenic refrigeration system to cryogenic distillation technology is verified.

关键词

Keywords

references

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Related Institution

School of Energy and Power Engineering, Xi'an Jiaotong University

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