Material handling and quarry operationsEX-011

Material-flow tuning during Drake commissioning

Drake Cement · Paulden, Arizona, USA · After 2011 start-up

Use this record when

The decision this case can inform

Include material-flow tuning in commissioning and measure sustained cleanout performance.

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

    Fifty-three air cannons were positioned and sequenced through controls.

  2. F2

    Martin Engineering reports about 100 short tons/hour and no manual-cleanout shutdowns after the first year of operation. The end date of that observation is not stated.

Structured interpretation

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

01

Operating context

A new plant required material-flow tuning in silos and pyroprocess vessels.

02

Intervention or finding

Fifty-three air cannons were positioned and sequenced through controls.

03

Documented result

Martin Engineering reports about 100 short tons/hour and no manual-cleanout shutdowns after the first year of operation. The end date of that observation is not stated.

04

Plant interpretation

Include material-flow tuning in commissioning and measure sustained cleanout performance.

05

Transfer boundary

Short tons are not metric tonnes. The account does not establish all-cause availability or independently isolate the equipment contribution.

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

    Separate commissioning ramp-up effects from sustained blockage-related downtime.

  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?