晋江海域海水淡化排海盐度场三维数值模拟

doi:10.3969/j.issn.1001-909X.2018.02.002

海洋学研究 ›› 2018, Vol. 36 ›› Issue (2): 12-18.DOI: 10.3969/j.issn.1001-909X.2018.02.002

晋江海域海水淡化排海盐度场三维数值模拟

张拂坤, 邹川玲, 刘淑静, 徐显, 刘伟

国家海洋局天津海水淡化与综合利用研究所,天津 300192

收稿日期:2017-04-09 修回日期:2018-04-23 出版日期:2018-06-15 发布日期:2022-11-21
作者简介:张拂坤(1981-),女,天津市人,工程师,主要从事海水淡化环境影响模拟等研究。E-mail:zfk1229zfk@163.com
基金资助:
国家科技支撑计划课题资助(2014BAB04B02);中央级公益性科研院所基本科研业务费专项基金项目资助(K-JBYWF-2016-T13)

3D-numerical simulation on distribution of brine discharge from seawater desalination plant in the sea area near Jinjiang

ZHANG Fu-kun, ZOU Chuan-ling, LIU Shu-jing, XU Xian, LIU Wei

The Institute of Seawater Desalination and Multipurpose Utilization, SOA, Tianjin 300192, China

Received:2017-04-09 Revised:2018-04-23 Online:2018-06-15 Published:2022-11-21

摘要/Abstract

摘要： 本文运用MIKE3数值模拟软件,建立了晋江海域海水淡化排海三维温、盐扩散模型,模拟了不同潮期、潮时盐度的水平和垂直方向扩散情况。结果表明,浓海水排海后盐度分布受水位和流速的影响,水位越高、流速越大,稀释和扩散作用越明显,在垂向上的扩散距离越小。规模20万t/d海水淡化工程浓海水排放对附近海域盐升的水平影响在几百米范围内,垂向影响在3 m以内,且随着水位和流速的增加在水平和垂向上能够较快稀释扩散,在附近不存在环境敏感区的情况下,不会对海洋环境造成显著影响。

关键词: 海水淡化, 浓海水, 盐升, 数值模拟, 晋江海域

Abstract: A 3D temperature-salt numerical model of the sea area near Jinjiang was established,based on MIKE3, horizontal and vertical diffusion in different tide was simulated. The results show that brine distribution is affected by water level and current velocity,the higher the water level and velocity,the greater the effect of dilution and diffusion,and the smaller the vertical diffusion. The brine discharge from 200 000 t/d seawater desalination plant,the range of salt-rise is about hundreds of meters in horizontal and about 3 m in vertical. With the increasing of water level and current velocity,the salt-rise is spreading quickly. If there is no sensitive area nearby,it will not have a significant impact on the marine environment.

Key words: seawater desalination, brine, salt-rise, numerical simulation, sea area near Jinjiang

中图分类号:

P731.12

张拂坤, 邹川玲, 刘淑静, 徐显, 刘伟. 晋江海域海水淡化排海盐度场三维数值模拟[J]. 海洋学研究, 2018, 36(2): 12-18.

ZHANG Fu-kun, ZOU Chuan-ling, LIU Shu-jing, XU Xian, LIU Wei. 3D-numerical simulation on distribution of brine discharge from seawater desalination plant in the sea area near Jinjiang[J]. Journal of Marine Sciences, 2018, 36(2): 12-18.

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晋江海域海水淡化排海盐度场三维数值模拟

3D-numerical simulation on distribution of brine discharge from seawater desalination plant in the sea area near Jinjiang

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