Circular Furnace Lining in a Lime Works
The ring supports itself — as long as it is closed
Initial situation
A circular furnace lining supports itself through the ring: every brick supports its neighbours. This only works as long as the ring is closed and sits true. In September 2026, SBS Refractory Service built the bricked lining of a shaft in a lime works.
Scope of services
- Ring brickwork
- Brick division
- Annular gap
- Anchoring
- Surveying
Project data
The task
A ring that stands on cut filler pieces is the first to open up
The brickwork expands during heat-up — if it sits tight against the steel, it pushes itself apart
Small deviations in the starting ring grow over the height into visible offset
The SBS approach
The brick division was calculated for each diameter. The compensation is distributed around the ring instead of being concentrated in one place.
An annular gap remains between the brickwork and the furnace shell. The anchors on the steel shell are fitted with expansion caps.
The starting ring was surveyed in, not simply started — what is one millimetre out at the bottom would show up twenty courses higher as visible offset.
Circular Furnace Lining in a Lime Works in pictures
Closed rings over the entire height
Brick division calculated for each diameter
Anchors on the steel shell with expansion caps, the annular gap in between
Ring brickwork around an opening with internals
Measurable results
The key figures of the “Circular Furnace Lining in a Lime Works” project
Similar references
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