White Paper

Rethinking Refractory Design

The severe point loading conditions and stresses on the material used for the stacked cylinder checkerwalls can impede the flow of process gas and negatively affect the process parameters of the Claus unit or the incinerator in which it was used.

The Blasch HexWallTM was originally designed to be a simple, stable wall replacement for the stacked cylinders, but was upgraded to provide mixing enhancement and the same functionality as a series of solid baffle walls. The first installation of the HexWall checkerwall was at a large US-based refiner that experienced: 

  • enhanced mixing and improved destruction efficiency of unwanted compounds
  • increased residence time in applications utilizing multiple solid baffle walls where unused reaction furnace volume can be eliminated
  • protection of the tubesheet from radiant heat or hot spots

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