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At Chher Nani, Kutch District, the
Gujarat Mineral Development Corp.
LTD., an Indian mining company, is
building a power plant that will
include two ALSTOM 125 MW circu-
lating fluidized bed (CFB) boilers. The
plant will produce clean reliable
power, which will be sold to the
Gujarat Central Electricity Board. The
plant is located at Chher Nani, near
Bhuj town, in northwest India in the
state of Gujarat. The lignite will be
supplied by nearby mines.
Akrimota TPSUnits 1 & 22 x 125 MW – CFB
Owner
Installation site
Electrical output
Commercial operation date
Gujarat Mineral Development Corp. LTD.
Chher Nani, India
2 x 125 MW
2003
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2 x 60% primary air fans
2 x 60% secondary air fans
2 x 60% induced flue gas
3 x 60% fluidization fans
3 x 60% ash cooler fans
Tubular air preheater
2 electrostatic precipitators
Limestone milling system
External piping system
Guarantee
Main steam flow 405 tonnes/h
Superheater outlet steam pressure 138 Bar / 1987 PSIG
Superheater steam temperature 538 °C / 1000 °F
Feedwater temperature 247 °C / 477 °F
RH steam flow 378 tonnes/h
RH steam pressure 36 Bar / 507 PSIG
RH steam temperature 537 °C / 999 °FRH inlet temperature 355 °C
/ 671 °F
Origin/Type Kutch (India) ligniteDesign Range
Gross calorific value (MJ/kg) 13.4 8.4- 13.4
(BTU/lb) 5761 3611- 5761
Moisture content 35 % 30 % - 35 %
Ash content 21 % 18 % - 35 %
Sulfur 3.9 % 2 % - 4.55 %
Volatile matter 26 % 20 % - 30 %
Fixed carbon 18 % 12 % - 20 %
Drum – spring loadedSH – outlet – spring
loadedRIT – inlet – spring loadedRH – outlet
– spring loaded
2 lignite belt conveyers
2 lignite draglink conveyers
Heavy fuel oil
Fuel (as received)
Flue-gas emission levels at stack
Air heater
Technical data of steam generator
Ignition fuel
Pressure-relief device
Grinding and firing plant
Air and flue gas systems
Associated equipment
Nitrogen Oxide (as NOx) @ 6% O2
SO2 @ 6% O2
Particulates
215.3 mg/Nm3 / 105 ppm
527.4 mg/Nm3 / 180 ppm
