Electrochemical treatment device of desulphurization waste water

Abstract

The invention relates to an electrochemical treatment device of a desulphurization waste water. The electrochemical treatment device comprises an electrochemical treating pond, a first polar plate, a second polar plate, an electrode timing converter, a coupling precipitation pond, an overflow weir and a slag scraping assembly. The electrochemical treatment device of the desulphurization waste water is fast to assemble, has no need of additional chemical agent, is simple to operate and can be used for greatly alleviating the workload of the working personnel; by adopting the periodic electrode inversion, the service life of the first polar plate and the second polar plate can be prolonged, the passivation problem of the electrode can be solved, the energy consumption can be reduced, and the operation expense can be saved.

Description

technical field [0001] The invention relates to the field of wastewater treatment, in particular to an electrochemical treatment device for desulfurization wastewater. Background technique [0002] At present, the world's primary energy composition is still dominated by coal, and its consumption accounts for about 70% of the total energy. Thermal power plants use thermal coal as the main fuel, which will produce a large amount of pollutants. For example, in the whole year of 2010, the total emissions of sulfur dioxide and nitrogen oxides in my country were 22.678 million tons and 22.736 million tons respectively, ranking first in the world. The emission of smoke and dust is 14.461 million tons, which is far beyond the carrying capacity of the environment, causing environmental pollution, such as primary and secondary pollution such as smog and sulfuric acid smoke, which seriously affects human health and living activities in production plants. Therefore, it is necessary to co...

AI Technical Summary

Problems solved by technology

However, due to the rapid changes in the water quality of desulfurization wastewater, the traditional flocculation and sedimentation method cannot achieve the purpose of removing trace heavy metals, and a large amount of chemicals are used, which not only requires high treatment costs, but also may introduce non-existing pollutants into the water body. cause secondary pollution

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