吸附条件下二元冰制备

doi:10.11949/j.issn.0438-1157.20161049

化工学报 ›› 2017, Vol. 68 ›› Issue (4): 1358-1363.DOI: 10.11949/j.issn.0438-1157.20161049

吸附条件下二元冰制备

刘超, 章学来

上海海事大学蓄冷技术研究所, 上海 201306

收稿日期:2016-07-25 修回日期:2016-11-29 出版日期:2017-04-05 发布日期:2017-04-05
通讯作者: 章学来
基金资助:
国家自然科学基金项目（50976064，51376115）。

Binary ice making under adsorption conditions

LIU Chao, ZHANG Xuelai

Institute of Cool Thermal Storage Technology, Shanghai Maritime University, Shanghai 201306, China

Received:2016-07-25 Revised:2016-11-29 Online:2017-04-05 Published:2017-04-05
Supported by:
supported by the National Natural Science Foundation of China(50976064, 51376115).

摘要/Abstract

摘要：

搭建了真空制冰动态特性实验台，在相同起始温度、预设压力下改变喷射流量，通过对闪蒸室内温度、压力等参数的采集，分析了流量及固体吸附模块对动态二元冰制备过程的影响。研究表明流量越大平衡态压力越低，平衡时闪蒸室内温度基本不变，维持在0℃左右；通过对含冰率的测定发现过高流速并不利于冰晶的生成，较低喷射速度下成冰率相对较高；吸附条件下易形成动态平衡环境，且更有助于维持较低的平衡压力。

关键词: 吸附作用, 动态制冰, 二元冰, 平衡, 传热, 传质

Abstract:

A test bench was built to study the dynamic characteristics of a binary ice vacuum system. The tests started with the same initial temperature and preset pressure but different jet flow. By collecting the indoor parameters of the flash such as temperature, pressure and so on, the influence of flow and solid adsorption module on the dynamic binary ice preparation process was analyzed qualitatively. The results showed that of the higher the flow rate, the lower the equilibrium pressure, while indoor balance temperature of the flash basically remained unchanged, maintaining at about 0℃. Through measuring the content of ice, it was found that the high flow rate was not favorable to the formation of ice crystals, while the low injection rate was relatively good for it. With adsorption it was more likely to achieve the dynamic balance and to maintain the balance at low pressure.

Key words: adsorption, dynamic ice production, binary ice, equilibrium, heat transfer, mass transfer

中图分类号:

TK02

刘超, 章学来. 吸附条件下二元冰制备[J]. 化工学报, 2017, 68(4): 1358-1363.

LIU Chao, ZHANG Xuelai. Binary ice making under adsorption conditions[J]. CIESC Journal, 2017, 68(4): 1358-1363.

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吸附条件下二元冰制备

Binary ice making under adsorption conditions

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