The decision this case can inform
Attribute blockage improvements only to the treated equipment and observed period.
Supplier-reported evidence. Results apply only to the stated equipment, conditions and observation period.
What the public record actually establishes
- F1
The supplier added 29 air cannons and upgraded 22 existing units.
- F2
No buildup-related unscheduled shutdowns were reported in the treated section at the time of the account.
Facts and reported results are kept separate from the lesson a plant may choose to test.
Operating context
Material accumulation interrupted a specific preheater section.
Intervention or finding
The supplier added 29 air cannons and upgraded 22 existing units.
Documented result
No buildup-related unscheduled shutdowns were reported in the treated section at the time of the account.
Plant interpretation
Attribute blockage improvements only to the treated equipment and observed period.
Transfer boundary
Observation duration unstated; buildup remained elsewhere. This is not evidence of zero kiln-wide outages.
Questions to verify at your plant
These are decision checks, not operating instructions. Resolve them through local risk assessment, technical review, and authorization.
- 01
Map exact blockage locations and compare section-specific stoppage hours before and after.
- 02
What equipment, materials and operating conditions differ at your plant?
- 03
What baseline and follow-up evidence would establish whether this change works locally?