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Technical Paper
Description of operation
Hexmesh
V-anchors (suitable for stud welding)
Speed CellTM Speed Hex®
# #
Installation time steel parts a.] Regenerator wall b.] Cat. piping, cross-overs c.] Cyclones
Steel wastage during placement (non-designed)
Steel fibres
Hand welding 16 mh/m2 60 mh/m2 60 mh/m2
Rapid Arc welding
3 mh/m2 5 mh/m2 5 mh/m2
Rapid Arc welding 2 mh/m2 2.5 mh/m2 2.5 mh/m2
20 - 30% Not necessary
1 - 2% 1 - 2%, optional
1 - 2% None Method of application Ramming Hand packing Vibration Hand packing
Vibration Ramming
Hand packing Refractory application time Repairability Lining outside of pipes Lining heights 10 mh/m2 Fair Only large Dia.
Hexmesh to be placed on stud and plate, up to 200 mm
Height adjustability Lining of shapes Duplex linings Lining cracks Combination with different anchors Thermal shock resistance Thermal conductivity Chances of application errors Difficult Difficult
It requires an extra threaded stud and plate piece
None Not applicable Satisfactory Moderate
Hexmesh : Large Refractory: Medium
Qualified operators/installers Delivery time
Qualified welder and experiences in hexmesh installation
3 - 4 weeks Figures are aggregate weld length in each square metre of applied system 5 mh/m2 Excellent Easy Only longer prongs 6.5 mh/m2 Excellent Easy
Only longer M8 stud up to 150 mm
Change the prongs’ angle Easy Not applicable for thin linings Fine cracks non-continuous Easy Excellent No influence
Anchors : Small Refractory: Small
Welders 1 week
NOTE: Speed Cell and Speed Hex® are a registered trademarks of Silicon-RAS NL. ##
Rotate Speed Cell Only longer M8 stud
Easy Only longer M8 stud Few and non-continuous Easy Good No influence Studs : Small Refractory: Small Welders 1 week
May 2019 Issue
ENGINEER THE REFRACTORIES
23
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