Page 69 - Tcexpression2021 - Sept to Dec 2020

Mathematical Modelling of Boilers

for Performance Evaluation:

Tata Consulting Engineers (TCE)

developed boiler performance model

Boiler design knowhow is available mainly with boiler It uses available operating data on coal, water/ steam,
designers/ manufacturers. Tata Consulting Engineers air/ flue gas circuits. It derives intermediate parameters
(TCE) has developed mathematical modelling of that are not available through direct measurements
pulverised coal (PC) fired boilers, which is agnostic to but essential for analysing boiler performance & health.
any particular make. Based on this data/information, it evaluates the boiler’s
overall performance and thus assists operators in
The model evaluates and predicts boiler performance achieving optimum performance while enhancing the
under variable operating conditions and can be used life of the boiler components.
for troubleshooting and design review.

Schematic view of PC fired boiler

The model can perform the
following:

Evaluate the thermal
performance of the
boiler under varying
load and change in fuel

quality

Evaluate SH/RH tube
metal temperatures

Evaluate the
performance of air

preheater

Guide operator towards
optimum boiler
operation

The model can be used
as a tool for a proactive
operation strategy to
improve boiler performance.

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