化工学报 ›› 2021, Vol. 72 ›› Issue (11): 5573-5581.DOI: 10.11949/0438-1157.20210952
收稿日期:
2021-07-12
修回日期:
2021-09-30
出版日期:
2021-11-05
发布日期:
2021-11-12
通讯作者:
车勋建
作者简介:
蔡本安(1990—),男,博士,讲师,基金资助:
Ben'an CAI(),Mincheng GUO,Xunjian CHE(),Weihua CAI
Received:
2021-07-12
Revised:
2021-09-30
Online:
2021-11-05
Published:
2021-11-12
Contact:
Xunjian CHE
摘要:
喷雾闪蒸技术因其能耗低、分离效果好、冷却能力高的特点成为解决淡水资源紧缺的有效方法之一。在喷雾辅助低温脱盐技术的基础上,展开系统内部热和质量平衡的热力学计算,研究喷雾闪蒸系统运行级数和顶值盐水温度对闪蒸效果的影响。研究结果表明,更高的顶值盐水温度可以显著提高生产效率,当顶值盐水温度为363 K时,生产率为3.325 kg/s,性能比为0.627。采用响应面法对喷雾闪蒸系统进行优化,确定系统的最佳运行条件以及各响应的模型关系,获得系统淡化的最佳参数:顶值盐水温度343 K,海水进口流量10 kg/s,冷却水进口温度303 K,冷却水进口流量9.5 kg/s。
中图分类号:
蔡本安, 郭民承, 车勋建, 蔡伟华. 多级喷雾闪蒸海水淡化系统性能分析及响应面优化研究[J]. 化工学报, 2021, 72(11): 5573-5581.
Ben'an CAI, Mincheng GUO, Xunjian CHE, Weihua CAI. Performance analysis and response surface optimization of multi-stage spray flash desalination system[J]. CIESC Journal, 2021, 72(11): 5573-5581.
Tsw,in /K | TBT /K | Tcw,in/K | msw,in/(kg/s) | mcw,in/(kg/s) | r /μm | H / m |
---|---|---|---|---|---|---|
303—323 | 328—363 | 293—313 | 8—16 | 7—15 | 300 | 1.1 |
表1 计算参数
Table 1 Calculation parameters
Tsw,in /K | TBT /K | Tcw,in/K | msw,in/(kg/s) | mcw,in/(kg/s) | r /μm | H / m |
---|---|---|---|---|---|---|
303—323 | 328—363 | 293—313 | 8—16 | 7—15 | 300 | 1.1 |
输入因子 | 符号 | -1 | 0 | 1 |
---|---|---|---|---|
TBT/K | A | 338 | 343 | 348 |
msw,in/(kg/s) | B | 8 | 10 | 12 |
Tcw,in/K | C | 298 | 303 | 308 |
mcw,in/(kg/s) | D | 7.5 | 9.5 | 11.5 |
表2 响应面设计因素水平
Table 2 Response surface design factor level
输入因子 | 符号 | -1 | 0 | 1 |
---|---|---|---|---|
TBT/K | A | 338 | 343 | 348 |
msw,in/(kg/s) | B | 8 | 10 | 12 |
Tcw,in/K | C | 298 | 303 | 308 |
mcw,in/(kg/s) | D | 7.5 | 9.5 | 11.5 |
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