A Centrifugal Vortex Ballast Water Filtration Method with Adaptive Cleaning Function

Abstract

The invention relates to a centrifugal vortex ballast water filtration method with self-adaptive cleaning function. The ballast water filtration device for realizing the method includes: filter cartridge assembly: composed of cascaded two-stage conical vertical filter cartridges , the inner surface of the tapered vertical filter cartridge is provided with internal helical threads; the water pump: is set at the front end of the inlet of the first-stage conical vertical filter cartridge; the screen filter cartridge: is set at the end of the second-stage conical vertical filter cartridge At the water outlet; the sewage collection assembly: including the sewage pipeline connected to the sewage outlet of the two-stage conical vertical filter cartridge, the sewage valve installed at the sewage outlet, the sewage suction pump and the sewage collector installed on the sewage pipeline; Pressure control component: used to realize the adaptive control of the opening of the sewage valve at the sewage outlet, the power of the water pump and the power of the sewage suction pump. Compared with the prior art, the present invention has the advantages of effectively separating large particles of impurities, no by-products after separation, high ballasting efficiency, physical centrifugation, high degree of automation, and simple operation.

Description

technical field [0001] The invention relates to the field of marine environmental protection, in particular to a centrifugal vortex ballast water filtration method with an adaptive cleaning function. Background technique [0002] In the process of ship sailing, ballast is an indispensable state due to the influence of ship stability and cargo conditions. When the ship is loading ballast water, marine organisms will enter the ballast tank with the seawater, and will be discharged in the destination sea area after the voyage. In this process, marine organisms will be transferred from one sea area to another with the ballast water, causing the spread of harmful aquatic organisms and pathogens. [0003] At present, the commonly used ballast water treatment technologies in the world mainly include three methods: physical, chemical and biological. Among them, the physical method mainly uses a multi-stage filter to filter impurities in the water. However, this method is easy to c...

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Problems solved by technology

Among them, the physical method mainly uses multi-stage filters to filter impurities in the water. However, this method is likely to cause filter blockage and reduce the flow rate of seawater in the pipeline; the chemical method mainly uses chemical substances to kill organisms in seawater, which will cause Chemical pollution; the biological method is to eliminate aquatic organisms by introducing carnivorous fish, but this method is still in theory and there is no specific practice

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