Electric power repairing device and method for cylindrical arrangement electrode

Abstract

The invention discloses an electric power repairing device and method for a cylindrical arrangement electrode, and belongs to the technical field of environment protection equipment. The device comprises an electrode liquid storage tank , an electrode liquid valve, at least two circular ring-shaped or arc electrode chambers and electrodes with a common center, an electrode liquid flowmeter, a liquid adding pump valve, a liquid adding pump and an adsorption layer, wherein the electrode is positioned in the electrode chamber and is connected with an external direct current power supply; and the electrode chamber is connected with the liquid adding pump. The method comprises the following steps of: selecting appropriate number of the electrode chambers according to pollution situation of a to-be-processed pollution site, burying the electrode chambers and the electrodes underground, injecting the electrode liquid into the electrode chambers through the liquid adding pump, and electrifying the electrodes so that heavy metal ions in the pollution site are adsorbed on adsorption material on the adsorption layer and the heavy metal is removed. The device is simple in structure, convenient to use, low in construction cost and wide in use range; and the method has the advantages of economical efficiency, high efficiency, energy saving, rapidness and the like.

Description

technical field [0001] The invention belongs to the technical field of environmental protection equipment, and in particular relates to an electrodynamic restoration device and method for cylindrically arranged electrodes. Background technique [0002] In recent years, a large number of pharmaceutical factories, chemical factories, smelters, and mechanical equipment factories have been relocated, leaving a large number of sites polluted by heavy metals. These lands pose great harm to the surrounding ecology, environment, and human health. Therefore, the country needs to invest a lot of manpower, material resources and financial resources to remediate the soil polluted by heavy metals. This is a problem that needs to be solved urgently for the current planting process. [0003] At present, the remediation methods for soil contaminated by heavy metals include fixed stabilization, electrodynamic remediation, etc. The statistical results of the sites that have been repaired in...

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Problems solved by technology

Jin Chunji et al. (Jin Chunji, Li Hongjiang, Jia Yonggang, Luo Xianxiang, Guo Xiujun. Research progress on electrokinetic remediation of heavy metal pollution in soil environment [J]. Environmental Pollution and Prevention, 2004, 05:341-344+365-316.) for electrodynamic remediation They found that there are mainly the following problems in the application of electrodynamic restoration: (1) Polarization occurs in the soil near the electrodynamic restoration electrode (ie: activation polarization, resistance polarization, concentration difference Polarization, etc.); (2) the influence of soil pH changes; (3) the influence of soil temperature; (4) the interference of impurities in the soil

Although this method can maintain the pH of the soil, it requires a large amount of mitigation solution, and the restoration cost is quite high

[0007] At present, the electric restoration technology in our country has not been practically used in the field, mostly because the repair cost is too high, or it is difficult to implement in the field

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