Reliability and maintenanceEX-006

Clinker-crusher replacement at Oro Grande

CalPortland · Oro Grande, California, USA · 2021

Use this record when

The decision this case can inform

Evaluate crusher upgrades against actual blockage events and lifecycle wear evidence.

Evidence scope

Supplier-reported evidence. Results apply only to the stated equipment, conditions and observation period.

Source-supported facts

What the public record actually establishes

2 sourced points
  1. F1

    The plant replaced its clinker crusher with an HRB unit.

  2. F2

    The supplier describes an early large-clinker event passing through the replacement successfully.

Structured interpretation

Facts and reported results are kept separate from the lesson a plant may choose to test.

01

Operating context

Large clinker pieces caused crusher blockages and costly maintenance.

02

Intervention or finding

The plant replaced its clinker crusher with an HRB unit.

03

Documented result

The supplier describes an early large-clinker event passing through the replacement successfully.

04

Plant interpretation

Evaluate crusher upgrades against actual blockage events and lifecycle wear evidence.

05

Transfer boundary

Supplier account of early operation, with a simultaneous gas-analyzer project. No isolated annual uptime or metered electricity result is supplied.

Before applying the lesson

Questions to verify at your plant

These are decision checks, not operating instructions. Resolve them through local risk assessment, technical review, and authorization.

  1. 01

    Compare clinker size, wear, throughput, stoppage logs and actual motor load over a longer interval.

  2. 02

    What equipment, materials and operating conditions differ at your plant?

  3. 03

    What baseline and follow-up evidence would establish whether this change works locally?