Wall Panel Membranes are structures that form the basis of heat exchangers used in a variety of boilers to transfer heat in industrial processes such as petrochemical processes. The membrane consists of a series of tubes that are welded to strips of metal placed between the tubes. This process requires long welding passes to fully join each of the tubes and its adjacent metal strip. Typically, 4-8 Metal Inert Gas (MIG) welding torches are ganged together to weld multiple seams in one pass.
To solve these issues, weld cameras such as Xiris’ XVC-1000 Weld Camera can be mounted immediately downstream of the weld torches to see the leading edge of the weld process on both the top and bottom of the panel membrane. This provides the operators a clear view of the weld torches and melt pool where any issues of the weld process of each membrane/tube weld pass can be seen. Once a weld process problem is detected, the operator can perform the corrective action needed from the comfort and safety of a monitoring station up to 100 m away from the weld process.