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In the electrolytic antimony process, the acid mist control of the diaphragm electrolytic cell is crucial, which is not only related to the optimization of the production environment, but also directly affects the health of employees and the life of equipment. The generation of acid mist mainly comes from the gas released by the electrode reaction during the electrolysis process, which carries electrolyte droplets. These droplets drift in the upper space of the electrolytic cell to form acid mist, which corrodes the production environment and equipment.
In view of this problem, it is particularly necessary to adopt advanced acid mist control technology. Among them, the optimization of the electrolytic cell structure design is a key link. By forming a closed channel between adjacent electrolytic cell bodies and using blocks to block the bottom and both sides, the leakage of acid mist can be effectively prevented. At the same time, the channel is divided into an exhaust channel and an air supply channel, the exhaust channel is connected to the exhaust pipe, and the air supply channel is connected to the air supply pipe, so as to achieve efficient capture and treatment of acid mist.
In the process of acid mist capture, the blower blows out air through the through hole on the air supply pipe, forming a horizontal wind curtain on the surface of the electrolytic cell body, pressing the acid mist generated by electrolysis into the electrolytic cell body to prevent the spread of acid mist. Subsequently, the exhaust fan forms a negative pressure in the exhaust pipe, sucks the acid mist in the electrolytic cell body into the exhaust pipe through the through hole, and transports it to the acid mist absorption tower for further treatment.
In addition, in order to improve the acid mist control effect, other auxiliary measures are also needed. For example, optimize the electrolyte composition to avoid the use of volatile and corrosive electrolytes; regularly detect and adjust the composition and concentration of the electrolyte to ensure its stability and safety; strengthen equipment maintenance and operation management to reduce the generation of acid mist caused by equipment leakage and improper operation. Through the implementation of these comprehensive measures, the acid mist emission of the diaphragm electrolytic cell in the electrolytic antimony process can be effectively reduced, creating a safe and environmentally friendly environment for production.