The characteristics, principles, auto run and stop, emergency stop and production quantity control of 660 type four-in-one high-purity chlorhydric acid furnace of SGL company were introduced.

• 介绍了德国SGL公司660型"四合一"高纯盐酸炉的特点、工作原理以及自动点火开车、停车、紧急停车、调节产量等操作要领。