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Lime Kiln Overhaul & Axis Alignment

Kiln shell, tyres, support rollers and thrust rollers — laser axis alignment, refractory and burner service.

ScopeShell · tyres · support/thrust rollers · burner · seals

1 · Equipment Overview

FunctionLime calcining (limestone to lime).
CompositionShell, tyres, support rollers, thrust rollers, burner.
Key processLaser alignment of the kiln axis.
RefractoryBrick lining inside the shell.

2 · Maintenance Process

Stop & coolStop, cool down, lock out.
Axis surveyLaser measurement of kiln shell axis.
Refractory checkInspect brick lining; mark spalled / fallen zones.
Tyres & rollersSurface inspection and NDT of tyres / rollers.
Roller adjustmentReposition support rollers per alignment data.
BurnerInspect, clean or replace burner lance.
SealsReplace kiln-inlet / discharge seal strips.
Shell thicknessMeasure shell wall thickness.
Bearing lubricationLubricate roller bearings; adjust clearances.
Rotation checkTurn the kiln; re-verify alignment.

3 · Key Process Photos

Kiln and piping, outdoor layout
Kiln and piping, outdoor layout
Discharge-end tyre structure
Discharge-end tyre structure
Shell and lifting facilities
Shell and lifting facilities
Refractory lining band
Refractory lining band
Shell on supports
Shell on supports
Burner lance assembly
Burner lance assembly
Refractory lining surface
Refractory lining surface
Support and thrust rollers
Support and thrust rollers

4 · Acceptance & Handover

Kiln axis alignment passed; refractory intact without fallen bricks; tyre / roller surfaces free of critical defects; even roller loading; burner lance clear; seals without significant air leakage; smooth kiln rotation.

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