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The Bangladesh-India Friendship Power Business (BIFPCL), a 50:50 joint venture between the Bangladesh Power Development Board (BPDB) and National Thermal Power Corporation (NTPC), an Indian Government-owned electricity utility company, is building the Maitree super thermal power plant.
An estimated $2 billion of capital will be spent on the construction. Through a finance deal with the Indian EXIM Bank for the main plant engineering, sourcing, and construction (EPC) turnkey package, the thermal power estimated economic closure was attained in April 2017. The project’s building started in April 2017.
Key takeaways
- It is situated in Rampal, in Bangladesh’s Khulna division’s Bagerhat district.
- The 1320 (2,660) MW coal-fired power station will cost about $2 billion.
- The project, which would boost Bangladesh’s national grid by 1320 MW, is being created under India’s tax concessions finance plan.
- It is being constructed for Bangladesh-India Friendship Electricity Company Private Limited by Bharat Heavy Electricals Limited (BHEL) (BIFPCL).
- Early October will see the first unit of this super thermal power plant enter commercial operation, a significant development in the expanding cooperation between India and Bangladesh in the power industry.
- Early in the following year, the power plant’s Unit-II, also known as the Rampal coal-fired power project, is scheduled to be implemented.
Location of the Maitree Super Thermal Power Project
The Maitree super thermal power development is located in Bangladesh’s Khulna division in the Rampal neighbourhood of the Bagerhat district. The Sundarbans mangrove region is 14 km northwest and 14 km northeast of the development site.
Details of the Maitree super thermal power plant
Two steam-based 660MW power generation units, powdered coal-fired supercharged boiler units, turbomachinery, and transformers will all be part of the power plant. A regenerative air heater, the boiler itself, two induced draught (ID) fans, and two forced draught (FD) fans will all be included in each boiler unit. Light diesel fuel oil will be used by the power plant for boiler initiation, low-load operation, and flame stabilisation. The boilers’ superheater output will produce 2,120t/h of steam at 568°C and a pressure gradient of around 256kg/cm2, while the re-heater outlet will generate 1,708t/h of steam at 596°C.
The steam generators are designed with a balanced draught burner and a single reheated type that is appropriate for addition to its impact. A single-pass (Tower type) or two-pass type will be utilised as a gas pass configuration. The boilers will have a variable pressure procedure maximum current rating (BMCR) ranging from 30% to 100%, with or without a 5% throttle margin. The layout will also allow for low NOx formation.
The Maitree super thermal power plant’s stack elevation will exceed 275 metres. The project incorporates a reinforced concrete steel-lined chimney with dual flues.
Concerns with the 1320MW Maitree Power Plant.
- The Maitree super thermal plant, which is now under construction in Rampal, Bangladesh, is a 1,320MW coal-fired power station.
- It is situated at Moitra, Rampal, in the District of Bangladesh, about 23 kilometres southeast of Khulna, Bangladesh. The coal-fired power plant is being built on a 1,834-acre plot of land along the Passer River southwest of Bangladesh.
- Bangladesh India Friendship Power Company (BIFPCL), a 50:50 joint venture between India’s state-run National Thermal Power Corporation (NTPC) and Bangladesh Power Development Board, is developing the power plant (BPDB).
- The Rampal power plant’s construction started in 2017. The first unit of this project will be commissioned in December 2021, aligning with Bangladesh’s Golden Jubilee commemoration of Victory Day.
- The proposal is an ecologically beneficial supercritical innovation thermal power plant.
Infrastructure
A turbine structure, boiler buildings, the required assistance and the electrical building will make up the main plant.
The primary project’s auxiliary facilities will also comprise a raw water tank, wiring closet, water before system m, surface water reverse osmosis type desalination plant, and a demineralisation plant, in complement to the powerhouse. A rotating cooling water pump house, equipment for managing coal and ash, an effluent treatment facility and housing for the construction workers are among the other infrastructure. A conveyor system, a coal storage area, and a 1.2 km long jetty are also being built for the project.
Availability and management of coal
The Maitree super thermal power plant is expected to receive up to 4.7 million tonnes of coal annually (Mtpa), with Fairway Buoy serving as the rail bridge over the Passer River. The project’s environmental impact assessment indicated that the Passur Channel was the recommended option.
The Fairway Buoy and the Mazhar Point are the suggested anchoring locations. The coal will be discharged at the power plant’s multi-vessel capable jetty. The dock may accommodate smaller plaster, gypsum, and fly ash ships.
Conveyor, hopper, grab-style perform effectively and efficiently, crane, and other movable equipment will be part of the jetty infrastructure. Using coal with a gross calorific value (GCV) of 5,400 to 6,300 kcal/kg, a typical sulphur level of 0.6%, and a maximum moisture content of 15% is recommended in the plan.
Engineers working on the Maitree super thermal project
The project’s EPC contract was awarded to the Indian state-owned engineering and manufacturing company Bharat Heavy Electricals Limited (BHEL) in July 2016. In May 2017, GE, a leading technology provider, was contracted by BHEL to supply pressurised part elements for the project.
To complete the environmental assessment for the Maitree super thermal power project, BPDB and BIFPCL hired the Bangladesh-based consulting Centre for Environmental and Geographic Information Services (CEGIS).
Dextra, a producer of building supplies, was hired to supply its Marine Tie Rod systems to join piles and wailing timbers for the power plant’s dock.
