脉冲电弧液电放电压载水处理效果的研究
发布时间：2018-09-04 12:33
【摘要】：压载水是现代船舶安全航行的重要保证,而压载水中携带的有害生物和病原体会破坏海洋环境、危害人类健康和造成相关经济损失。船舶压载水对海洋环境的侵害，引起了国际海事组织和世界各国的高度重视。而目前，综合安全、有效、成本、环境等各种因素考虑，尚无一种有效的处理方法。 本文按照《国际船舶压载水和沉积物控制与管理公约》中第D-2标准的要求，试验研究了脉冲电弧液电放电压载水处理的影响因素：包括放电电极的材料、直径和间隙距离，试验的水样变化、水量、流速等对杀菌效果的影响。选取了牟勒氏角毛藻、赤潮异湾藻和锥状斯克里普藻等作为“可存活生物”的指示生物，研究了脉冲电弧液电放电处理压载水中的可存活生物的效果及影响因素。 通过试验确定了，在一定的脉冲电源条件下，，存在一个最适的参数，达到最优的脉冲电弧液电放电压载水处理效果，脉冲电弧液电放电对大肠杆菌和不同种类、大小的藻类都有较好的杀灭效果，并且不会使藻类再生；试验反应水量和较小的流速变化对脉冲电弧液电放电杀菌灭藻的效果影响较小，为岸基和实船试验提供了依据，也为研发整套脉冲电弧液电放电压载水处理系统做好了一定的准备。
[Abstract]:Ballast water is an important guarantee for the safe navigation of modern ships, and the harmful organisms and pathogens carried in ballast water will destroy the marine environment, endanger human health and cause related economic losses. The damage of ship ballast water to the marine environment has attracted the attention of the International Maritime Organization (IMO) and the countries all over the world. At present, there is not an effective way to deal with comprehensive safety, efficiency, cost, environment and other factors. In accordance with the requirements of the D-2 standard of the International Convention on the Control and Management of Ballast Water and sediments in ships, the influence factors of pulsed arc liquid electric discharge ballast water treatment, including the materials of discharge electrodes, the diameter and the gap distance, are studied experimentally in this paper. The effect of water sample, water flow rate and so on germicidal effect. The effects of pulsed arc discharge on the treatment of viable organisms in ballast water were studied. Through experiments, it is determined that under certain pulse power supply conditions, there is an optimum parameter to achieve the optimal effect of pulse arc liquid electric discharge ballast water treatment, pulse arc liquid electric discharge to Escherichia coli and different types, Algae of all sizes have better killing effect and will not regenerate algae, and the experimental reaction quantity and the smaller velocity change have little influence on the effect of electric discharge of pulsed arc liquid to kill algae, which provides the basis for shore-based and full-ship test. It is also prepared for the research and development of pulse arc liquid electric discharge ballast water treatment system.
【学位授予单位】：华中科技大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：U664.92;U698.7
本文编号：2222113
[Abstract]:Ballast water is an important guarantee for the safe navigation of modern ships, and the harmful organisms and pathogens carried in ballast water will destroy the marine environment, endanger human health and cause related economic losses. The damage of ship ballast water to the marine environment has attracted the attention of the International Maritime Organization (IMO) and the countries all over the world. At present, there is not an effective way to deal with comprehensive safety, efficiency, cost, environment and other factors. In accordance with the requirements of the D-2 standard of the International Convention on the Control and Management of Ballast Water and sediments in ships, the influence factors of pulsed arc liquid electric discharge ballast water treatment, including the materials of discharge electrodes, the diameter and the gap distance, are studied experimentally in this paper. The effect of water sample, water flow rate and so on germicidal effect. The effects of pulsed arc discharge on the treatment of viable organisms in ballast water were studied. Through experiments, it is determined that under certain pulse power supply conditions, there is an optimum parameter to achieve the optimal effect of pulse arc liquid electric discharge ballast water treatment, pulse arc liquid electric discharge to Escherichia coli and different types, Algae of all sizes have better killing effect and will not regenerate algae, and the experimental reaction quantity and the smaller velocity change have little influence on the effect of electric discharge of pulsed arc liquid to kill algae, which provides the basis for shore-based and full-ship test. It is also prepared for the research and development of pulse arc liquid electric discharge ballast water treatment system.
【学位授予单位】：华中科技大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：U664.92;U698.7
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