Navadurga Industries Limited

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NavaDurga Industries Limited (NDIL) is a special purpose company promoted by the Maa Durga Group of Companies. Maa Durga Group of Companies is one of the reputed and established business house of Orissa. The Group, besides being the market leader in food processing sector in Orissa is also involved in trading of food grains, healthcare, education, Hotels, Construction and Power generation business. The Group operates a rice husk based captive power plant of 1.2 MW, which provides required power to its food processing units and one 60MW Power Plant is in commissioning stage

Technical Details

Imported coal is to be used as fuel to the extent of 90% and IB coal is to be occasionally used to the tune of 10%.

Water Requirement
The water requirement for 1200/1800 TPD cement plant has been estimated at about 600 Cu. M/Day and for colony establishment about 200 Cu M/Day respectively. Water demand can be met with by installing infiltration gallery (Bore wells in the bed of river)

Basis for Assessment
Clinkerisation factor : 1.6 : 1 (Raw meal to Clinker Ratio)
Specific Heat Consumption : 750 Kcal/Kg
Specific Power Consumption : 90 Kwh/T

Maximum Power Demand
For Clinkerisation 12.5 MVA
For Cement Grinding unit 16.0 MVA

Main Machinery
Limestone Crushing 375 TPH
Raw material grinding (CCBM) 100 TPH
Pyro processing 1200/1800 TPD
Coal grinding 12 TPH
Roller Press 2 x 150 TPH
Cement grinding (CCBM) 2 x 85 TPH
Packing machine 2 x 150 TPH

Pollution control measures
Bag house for Raw mill & PH exhaust gases ESP for cooler vent gases Bag filter for coal mill Bag house for cement mill Bag filters for dedusting of storages and auxiliaries in different departments On line gas analyser for O2,Nox,& CO emission at kiln inlet ,Calciner outlet, Provision for green belt.

Project implementation period
24 months for project activities from the main machinery order till commissioning.

Noise Quality Management
Areas that account for higher noise levels
Limestone , coal and clinker crushers
Kiln operation
Ball mills

Mitigative measures
Appropriate specifications of equipments
Proper maintenance for reduction of noise level
Isolation & covering of noise generating equipments
Provision of ear plugs

Occupational health
“The promotion and maintenance of highest degree of physical, mental and social well-being of workers in all occupations” i.e. total health of all at work.

Green belt
Considering the significance of the green belt development, the project proponent will plant variety of tree species to improve the micro climate of the plant area.
Three tier plantation scheme comprising of outer ring of tall canopy trees, middle ring of less taller trees and inner core layer of tolerant species will be implemented.
Water to these trees will be made available from the recycled waste water.

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