Efficient and durable sodium hypochlorite electrolysis device

Abstract

The invention discloses an efficient and durable sodium hypochlorite electrolysis device. The device comprises an electrolytic cell shell pipe, electricity inlet assemblies, an electrolysis electrode core assembly and a gas and flow guide circular partition plate assembly, the electricity inlet assemblies are connected to the two ends of the electrolytic cell shell pipe, the electrolysis electrode core assembly is arranged in the electrolytic cell shell pipe, and the two ends of the electrolysis electrode core assembly are connected with the electricity inlet assemblies correspondingly; the outer side of the electrolysis electrode core assembly is sleeved with a gas and flow guide circular partition plate assembly, an electrolysis liquid inlet is formed in one end of the electrolysis bath shell pipe, a pickling liquid inlet is formed in the side, opposite to the electrolysis liquid inlet, of the electrolysis bath shell pipe, and an electrolysis liquid outlet is formed in the other end of the electrolysis bath shell pipe. And a pickling liquid outlet is formed in one side, opposite to the electrolytic liquid outlet, of the electrolytic tank shell pipe. The optimal current density can be set by optimizing the space of the electrolytic bath and the distribution of the electrode plates, and the gas and flow guide setting is optimized, so that compared with a traditional device, the sodium hypochlorite electrolysis yield and the product concentration can be improved, the salt power consumption is reduced, and the service life of the electrode plates is prolonged.

Description

technical field [0001] The invention relates to the technical field of electrolysis devices, in particular to an efficient and durable sodium hypochlorite electrolysis device. Background technique [0002] Sodium hypochlorite, as one of the substitutes for chlorine gas, is a truly efficient, broad-spectrum and safe strong sterilizing and virucidal agent. Studies have shown that the effective chlorine content of sodium hypochlorite can be maintained longer than chlorine gas, and has a better inhibitory effect on the exocystosis of microbial spores that are difficult to completely kill. It is very suitable for safe disinfection in water plants, pressurized pump stations, sewage treatment plants, hospitals, etc. , as well as operations such as sterilization and algae removal of circulating cooling water in power plants. [0003] Previously, sodium hypochlorite used for disinfection was often produced by chemical factories. High-concentration industrial sodium hypochlorite solu...

AI Technical Summary

Problems solved by technology

During the working process of the electrolytic cell, due to the huge resistance of diluted salt water, the temperature during electrolysis can reach above 40°C. With the fluctuation of the operating state, the electrolytic cell will still appear slightly deformed, yellowed, and marked when it is soaked in hot water. When the PVC material begins to deform and degrade irreversibly, it always becomes a hidden danger to the safe operation of the equipment

In the actual operation process, the sodium hypochlorite electrolysis system will have occasional temperature control failures, such as the cold water system stopping the supply of cold water, etc. These failures will cause the temperature of the electrolysis device to rise instantaneously, or even exceed the working limit of the UPVC material, often resulting in Accidents such as deformation of the shell tube of the electrolytic cell, water leakage at the end of the shell tube, or even rupture

And, in the process of use, the water softening device cannot completely remove calcium, magnesium, aluminum plasma in the water, resulting in the gradual formation of scaling in the alkaline mixed solution during the electrolysis process. On the one hand, the UPVC material currently used The inner wall of the shell of the electrolyzer is prone to scaling; on the other hand, the electrode is also prone to scaling, and the scale needs to be pickled and descaled with hydrochloric acid to a certain extent.

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