DEVICE FOR DRIVING A SAMPLING OR SENSING LANCE FOR A SHAFT FURNACE

摘要

The invention relates to a device for advancing and withdrawing a sampling or sensing lance into and out of a shaft furnace through an opening in the wall of the furnace. The device includes at least two driven endless chains which are equipped with gripping jaws. Parts of the runs of the chains are adjacent and parallel to one another and grip the lance between them.