Kiln, calciner and cooler operationEX-017

Calciner loop-duct modification at Hirmi

UltraTech Cement · Hirmi Cement Works, India · 2023 report

Use this record when

The decision this case can inform

Evaluate calciner geometry changes against pressure, material stability and production.

Evidence scope

Producer-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 loop duct was modified.

  2. F2

    The producer describes lower power, increased production and avoided hot-material dropout, without quantities.

Structured interpretation

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

01

Operating context

Calciner performance needed improvement.

02

Intervention or finding

The loop duct was modified.

03

Documented result

The producer describes lower power, increased production and avoided hot-material dropout, without quantities.

04

Plant interpretation

Evaluate calciner geometry changes against pressure, material stability and production.

05

Transfer boundary

Award coverage supplies no test window or causal validation.

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 pressure drop, feed stability and event logs across matched operating periods.

  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?