Low current density (300~500A/m2) horizontal silver electrolyzer.
At present, most of the electrolytic cells used in the larger-scale silver electrolytic refining industry are crawler-type horizontal electrolytic cells with automatic silver powder discharge, also known as horizontal electrolytic cells, crawler cells and ship-type cells. Almost all of the silver refineries in China, from the early Shenyang Smelter, Yuguang Gold & Lead, Zhuye (with an annual output of about 1000 tons of silver) and other large copper and lead smelters, use this type of belt discharge tank. The advantages of this tank type are high degree of automation, continuous automatic silver powder discharge without stopping the tank, low labor intensity, and suitable for large-scale production. The disadvantages are.
1. The current density of this type of electrolytic tank is relatively small (generally 250-350A/m2), the electrolysis speed is relatively low, and there are more electrolytes under pressure in the equipment. The amount of capital accounting for pressure is large and the turnover is slow.
2、The horizontal silver electrolytic tank needs to clean the bottom of the tank for a period of time, and the silver powder will be accumulated under the track, resulting in abnormal powder output, and the quality of the silver powder accumulated for a long time is not qualified.
3、In order to discharge the fumes generated by electrolysis, the upper part of the electrolytic tank has a large air extraction hood, which affects the outfitting of the tank, with poor air extraction effect and high wind pressure and volume, and is not beautiful.
Second, high current density (600~800A/m2) horizontal closed electrolytic tank.
The advantages of this tank type added on the basis of common horizontal silver electrolytic tank are.
1、The single tank output of 100kg is achieved by the change of parameters (flow rate, parallel flow).
2. The air extraction method is changed to closed side air extraction, which makes the workshop environment good and it is convenient to get out of the loading tank.
Disadvantages: Horizontal silver electrolytic tank needs to clean the bottom of the tank after a period of production, and the silver powder will accumulate under the track causing abnormal powder output, and the quality of the silver powder accumulated for a long time is not qualified.
Use manufacturers: Inner Mongolia Qiankun, Yantai Jin'ao, etc.
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