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COAL RESEARCH FACILITIES

Coal Research group of BHEL is primarily engaged in the development of equipment and systems for clean coal technologies.

Major activies/achievements:

Carried out feasibility and techno-economic studies and mathematical modelling for advanced power cycles. Over thirty reports have been prepared.
Pressurised fluidised bed combustion (PFBC) - Extensive studies have been carried out in the area of fluidisation and heat transfer using a 440 mm PFBC pilot plant. Facilities available for further development.
Pressurised fluidised bed gasification (PFBG) - Development facilities of 100 mm dia., 200 mm and 440 mm dia, are available to carry out gasification studies. Based on the work carried out here, a 168 tpd. PFBG was developed and integrated with 6.2 MWe IGCC test facility at BHEL Trichy unit. Also associated cold model fluidisers are available for fluidisation as well as scale up studies.
A pilot plant for high temperature and high pressure granular bed filter established. Considerable data generated to integrate with advanced power cycles.
Other areas of activities are reformation of methanol, pneumatic solid transportation, characterisation of lime and dolomite and on-going development of dynamic classifier for bowl mills.

Earlier this group had designed a moving bed gasifier which was used with a 6.2 MWe IGCC demonstration plant. This plant was the first of its kind in Asia and fourth in the world. This group has also sold the design of a combined PFBC and PFBG test facility to ESKOM of South Africa.

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