ARRANGEMENT FOR GUIDING A DRILLING BAR OF A DECOKING TOOL

摘要

So-called decoking, in other words, the emptying of a container (23), in which coke arising from the operation of a refinery is deposited is carried out using a decoking tool (24) with a free mounting on the end of a drilling bar (3). The mounting is achieved using a sliding guide (4) on a guide plate (1), coupled to the container (23). According to the invention, distortions in the container and the guide plate (1) therewith as a result of temperature variations during operation of the refinery which could lead to function disturbance of the drilling rod (3) are avoided, wherein the sliding guide (4) and the guide plate (1) are arranged with a sprung relative deflection by means of at least one spring element (5) in the manner of a spring damper.