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VectorWall™ Mixing Checkerwall

Blasch-MECS-VectorWall

Blasch VectorWall™ Mixing Checkerwall is a versatile, mechanically stable system consisting of a series of stackable, six-sided blocks incorporating alternating tabs and slots on each side that are designed to ensure the blocks are positively locked together at installation. The VectorWall is offered in a highly creep-resistant mullite bonded composition, designed to resist deformation under load. 

Our patented VectorWall increases capacity and lowers the operation and maintenance costs of medium and large diameter high temperature reaction furnaces such as those used in Claus Sulfur Recovery Units (SRUs). It replaces and significantly improves upon traditional, weak, unsupported refractory brick baffle walls or checkerwalls with what is usually a smaller overall number of walls that perform the same function, more efficiently, in a shorter distance.


Mechanical Stability

VectorWall employs Blasch’s patented HexWall™ technology as a stable and reliable foundation for use even in oxygen enriched environments. It is stronger, more precise, and uses far fewer parts than standard 9” brick and refractory mortar baffles or checkerwalls for a faster, more secure installation. Rapid disassembly and reassembly of the Blasch VectorWall can easily be achieved for major maintenance turnarounds. Spanning the entire inside diameter of the burner or furnace, the Blasch VectorWall becomes structurally integral with the furnace wall.

Other mechanical advantages include, but are not limited to:

  • Inherently stable large hexagonal ceramic blocks
  • Design ensures that all blocks are fully supported
  • Patented tongue & groove interlocking joints can withstand thermal expansion
  • Structural stability even in an upset condition
  • Mortar-free installation results in easy, fast construction with no specialized labor
  • Successful track record in severe service with no failures

Process improvement

The benefits of the VectorWall mixing checkerwall lie, not only in its mechanical stability, but also in its infinitely variable mixing configurations. These configurations may be adapted to provide optimal mixing regardless of burner types and locations, and they are simple to erect, reducing the need for expensive, highly skilled labor. In addition, the VectorWall checkerwall can be configured for a variety of new flow regimes including tangential vortex flow.

Other process improvements that your plant can expect to achieve include, but are not limited to:

  • Lower pressure drop
  • Improved mixing
  • Increased process throughput
  • Very tight Residence Time Distribution (RTD)
  • Plug Flow (PF) characteristics
  • Ability to create multiple zones in a single furnace
  • Back mixing in first zone
  • Cooler second zone for lower NOx

The vast majority of refractory, by volume, used in the refining and petrochemical sectors is in the form of brick or castable. These allow for the greatest flexibility in installation, but greatly limit the ability to develop innovative component and assembly designs that work to the inherent strengths of refractory materials, which can, in turn, provide significant process improvement. One such example is the use of a checkerwall in reaction furnaces to improve various process parameters.

If you are interested in not only saving time on your next turnaround, but improving your process as well, download “Rethinking Refractory Design” to find out more. 

U.S. Patent #8,439,102

Product Videos

Split Flow, 2 Zone Furnace
Learn the science behind VectorWall and how it improves your reaction furnace efficiency.
Blasch-VectorWall
Improve reaction furnace efficiency and process throughput with VectorWall.
Blasch Precision Ceramics Hex Block Instructional Video HD
See how easily VectorWall can be installed, saving time and money.

Product Information Sheets

Whitepapers

Materials for VectorWall™ Mixing Checkerwall

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Thank you for your interest in Blasch Precision Ceramics. For more detailed information concerning your specific application, please give us a call or complete the form below. One of our technical representatives will respond as quickly as possible.

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Thank you for your interest in Blasch Precision Ceramics. Please complete the form below and we will respond as quickly as possible.

 

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