Ship ballasting wastewater purification method

Abstract

The invention discloses a ship ballasting wastewater purification method. The method comprises the following steps: S1, an electric field is formed in a space between a high-voltage electrode and a grounding electrode; S2, high-pressure gas in the high-pressure gas cylinder enters the electric field space through a gas flow control valve, and plasma jet flow is formed and sprayed out; S3, a to-be-treated liquid in a liquid storage tank passes through a liquid flow control valve, a filter and a flow meter and then is sprayed out in a spraying mode under the action of a liquid processor, and allspraying fields pass through an unbalanced plasma jet flow area; S4, under the effect of the non-equilibrium plasma jet flow, target purification substances contained in the liquid drop particles inthe atomization field are killed; S5, a detection port control valve is turned on, and the purified liquid is pumped out by a detection port reflux pump, and fed into a detector; and S6, the purifiedliquid is analyzed by the detector. A detection mechanism is additionally arranged to further improve the purification effect.

Description

technical field [0001] The invention relates to a water purification method, in particular to a method for purifying ship ballast waste water using liquid injection technology. Background technique [0002] In the prior art: 1. Chinese invention patent application number: 201010138133.7, name: high-voltage pulse discharge plasma water treatment device and its high-frequency high-voltage power supply; 2. Chinese invention patent application number: 201010138086.6, name: high-voltage pulse discharge plasma water Treatment device and method; 3. Chinese invention patent application number: 200910022562.5, name: a dual-channel discharge plasma water treatment device; 4. Chinese utility model patent application number: 201120213976.9, name: a high-voltage discharge plasma water treatment device Treatment equipment; the characteristics of these four water treatment devices are to use the sewage to be treated as an electrode or a dielectric plate for atmospheric pressure discharge, ...

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Problems solved by technology

[0002] In the prior art: 1. Chinese invention patent application number: 201010138133.7, name: high-voltage pulse discharge plasma water treatment device and its high-frequency high-voltage power supply; 2. Chinese invention patent application number: 201010138086.6, name: high-voltage pulse discharge plasma water Treatment device and method; 3. Chinese invention patent application number: 200910022562.5, name: a dual-channel discharge plasma water treatment device; 4. Chinese utility model patent application number: 201120213976.9, name: a high-voltage discharge plasma water treatment device Treatment equipment; these four water treatment devices are characterized by using the sewage to be treated as an electrode or a dielectric plate for atmospheric pressure discharge to directly generate plasma on the surface of the water. The advantage is that the effective contact area between the plasma and water can be increased. The disadvantage is that the conductivity of water is low, which will consume a large proportion of electric energy and reduce energy efficiency

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