Proton exchange membrane water electrolysis ozone/oxygen generation device with self-purifying function

Abstract

The invention belongs to the technical field of electro-chemicals, and relates to a proton exchange membrane water electrolysis ozone / oxygen generation device with a self-purifying function. An ion exchanger is serially connected in a cathode chamber and cathode water tank circulating loop; ion exchange resins are filled in a pure water tank for further purifying reflux water of a cathode water tank and fed raw material water; and the purified water is fed to the cathode water tank. The device can effectively exchange metal ions migrated to the cathode chamber through a proton exchange membrane and fed in the water of the cathode water tank by the cathode chamber, reduces the electric conductivity of the water to reduce the working voltage of an electrolysis tank, and largely prolongs the generator operation life.

Description

technical field [0001] The invention belongs to the technical field of electrochemistry and relates to a proton exchange membrane water electrolysis ozone / oxygen generator with internal self-purification function. Background technique [0002] The proton exchange membrane type water electrolysis type ozone generator and the proton exchange membrane type water electrolysis type oxygen generator have the same structure, but the catalyst used in the generator is different. Both use pure water as the raw material. Under the action of low-voltage direct current, high-concentration and high-purity ozone / oxygen can be produced in the anode area, and high-purity hydrogen can be produced in the cathode area without producing nitrogen oxides (NOx ), the application prospect is very broad. [0003] Existing electrolytic ozone / oxygen generators, such as Chinese patent ZL201420547893.7 disclose a water electrolysis ozone generator, and Chinese patent ZL201520619763.4 discloses a proton ...

AI Technical Summary

Problems solved by technology

[0005] Increase the operating voltage of the single slot of the generator, which will eventually affect the operating life of the generator. When the operating voltage of the single slot rises above 5 volts, the generator will be damaged and unable to operate

Metal ions (Me n+ ) pollutes the pure water in the cathode water tank at the same time, affecting its recycling

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