The infection of the washing liquid used in the pump at the decompression tower bottom to the medium was introduced.
采用串联式波纹管机械密封代替原单端面机械密封，解决了减底泵机械密封冲洗液对介质的影响问题。
2
Addition of ore as the autogenous medium can also effectively improve the washing efficiency.
添加矿石自介质也能够明显提高洗矿效率。
3
The utility model provides a main shaft sealing device for a large-size washing machine, comprising a supporting device, sealing medium, an oil feeding hole, a sealing element, etc.