Page 13 - HSE -Zero is Possible_v1.0

Dujiangyan Cement Plant
Energy

High efficiency

equipment, sound CHINA Cement

investment toward costs
and emissions

Opportunity Results
To reduce electrical • Improved feeding of
energy usage by 3 raw mills, reducing air
optimizing fans and in-leakage by 50%:
blowers. o saving 345 MWh/year
o -2,000 tonnes of CO 2
Solution • Upgrading of 12 roots Mark Lo
Energy saving and blowers to magnetic CEO
Scope 2 CO 2 reduction levitation fans, reducing
achieved through fan the noise <85db:
renovation and air in- o saving 20% or
leakage management.
110 MWh/year
o -640 tonnes of CO 2
• Replaced 12 ordinary
fans with high- Yiyu Dong
efficiency fans: Head of HSE
o saving 1050 MWh/year
o - 6,100 tonnes of CO 2

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