Pre-mounted exchange insert of a drill wash device

• Main Authors: Wanner, Volkert, Lang, Klaus, Hofmann, Jens, Glawion, Michael, Johannes, Rolf
• Format: Patent
• Language: English
• Published: 09.10.2018
• Subjects: BLASTING; CYLINDERS; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; ENGINEERING ELEMENTS AND UNITS; FIXED CONSTRUCTIONS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PISTONS; SEALINGS; THERMAL INSULATION IN GENERAL; WEAPONS

A pre-mounted exchange insert of a drill wash device is disclosed for connecting a stationary washpipe to a rotating washpipe, which includes a mechanical seal assembly with a stationary seal ring and a rotating seal ring, a first seal ring carrier on which the stationary seal ring is arranged, a second seal ring carrier on which the rotating seal ring is arranged, a connection component which is configured to connect the exchange insert to the stationary washpipe, and an adjusting mechanism operative in an axial direction with a screw connection for changing an axial length of the exchange insert, wherein the screw connection is connected to the second seal ring carrier to permit, in an axial direction, an adjustment of the second seal ring carrier, the mechanical seal assembly, and the first seal ring carrier relative to the connection component.