COAL WASHING UNIT
[EIRI/EDPR/3417] J.C.: 1499XL
INTRODUCTION
Coal washing is a process that is undertaken in a coal washery or coal preparation plant (CPP) where coal is refined or cleaned of impurities. Coal washing involves using water, mechanical techniques and relies on gravity and the difference of density between coal and it's impurities which are usually more densely packed due to the fact that they are inorganic.
Benefits of Using Washed Coal:
• Increased generation efficiency, mainly due to the reduction in energy loss as inert material passes through the combustion process.
• Increased plant availability.
• Reduced investment costs.
• Reduced operation and maintenance (O&M) costs due to less wear and reduced costs for fuel and ash handling.
• Energy conservation in the transportation sector and lower transportation costs.
• Less impurities and improved coal quality.
• Reduced load on the air pollution control system; and Reduction in the amount of solid waste that has to be disposed off The following are the details of the coal washeries in India (2007-08).
COST ESTIMATION
Plant Capacity 12,000 MT/Day
Land & Building (1,60,000 sq.mt) Rs. 54.30 Cr
Plant & Machinery Rs. 20.52 Cr
Working Capital for 2 Months Rs. 3.31 Cr
Total Capital Investment Rs. 80.46 Cr
Rate of Return 29%
Break Even Point 53%
CONTENTS
INTRODUCTION
BENEFITS OF USING WASHED COAL:
TYPES OF COAL
COAL GRADES
GRADES OF COKING COAL
GRADES OF NON-COKING COAL
GRADES OF SEMI-COKING AND WEAKLY COKING COAL
GRADES OF NEC COAL:
PRODUCT SPECIFICATION
PROPERTIES OF COAL
7. REACTIONS OF COAL:
8. FRIABILITY:
9. GRINDABILITY:
10. WEATHERING OR SLAKING INDEX:
11. AGGLUTINATING (COKING):
USES AND PPLICATION OF COAL WASHERY
COAL GRADES
COAL AVAILABILITY IN DIFFERENT GRADES, AVERAGE USEFUL
HEAT VALUE, GROSS CALORIFIC VALUE AND LINKED CONSUMERS.
B.I.S. SPECIFICATION
WASHING PROCESS OF COAL
DESCRIPTION OF PROCESS
PRE-TREATMENT SECTION
COAL PREPARATION
COAL PREPARATION PROCESS
TYPICAL STEPS IN COAL PREPARATION INCLUDE:
WASHING SECTION
MEDIA PREPARATION & REGENERATION CIRCUIT
MARKET POSITION
FUTURE OF COAL WASHING INDUSTRY
UPCOMING COKING COAL WASHERIES IN COAL INDIA LIMITED
SCOPE FOR RESEARCH AND DEVELOPMENT
CONCLUSIONS
COAL & LIGNITE
RESOURCES
COAL
LIGNITE
EXPLORATION & DEVELOPMENT
PRODUCTION AND STOCKS
COAL
PRODUCTION
DISPATCHES
STOCKS
LIGNITE
PRODUCTION
DISPATCHES
STOCKS
MINING & MARKETING
COAL
LIGNITE
POLICY–CAPTIVE COAL AND LIGNITE BLOCK ALLOCATION
FOREIGN COLLABORATION
COAL WASHERIES
IMPORT POLICY OF COAL
FDI POLICY
CLASSIFICATION AND GRADES
CONSUMPTION
DEMAND & SUPPLY
WORLD REVIEW
AUSTRALIA
CHINA
INDONESIA
RUSSIA
FOREIGN TRADE
EXPORTS
IMPORTS
FUTURE OUTLOOK
PLANT LAYOUT
MANUFACTURERS/SUPPLIERS OF WASHED COAL
SUPPLIERS OF RAW MATERIALS
SUPPLIERS OF RAW COAL
SUPPLIERS OF MAGNETITE POWDER
SUPPLIERS OF FLOCULANT CHEMICALS
SUPPLIERS OF PLANT AND MACHINERY
SUPPLIERS OF COAL WASHERY PLANT AND MACHINERY
EOT CRANE
SUPPLIERS OF POWER TRANSFORMER
SUPPLIERS OF ELECTRICAL PANEL
SUPPLIERS OF COOLING TOWER
EFFULENT TREATMENT PLANT
AIR POLLUTION CONTROL EQUIPMENTS
AIR CONDITIONING EQUIPMENTS
AIR COMPRESSORS
PLATFORM WEIGHING MACHINE
MATERIAL HANDLING EQUIPMENTS
FIRE FIGHTING EQUIPMENTS
SHOT BLASTING MACHINE
JIGS AND FIXTURE
SUBMERSIBLE WATER PUMP
APPENDIX – A:
01. PLANT ECONOMICS
02. LAND & BUILDING
03. PLANT AND MACHINERY
04. OTHER FIXED ASSESTS
05. FIXED CAPITAL
06. RAW MATERIAL
07. SALARY AND WAGES
08. UTILITIES AND OVERHEADS
09. TOTAL WORKING CAPITAL
10. TOTAL CAPITAL INVESTMENT
11. COST OF PRODUCTION
12. TURN OVER/ANNUM
13. BREAK EVEN POINT
14. RESOURCES FOR FINANCE
15. INSTALMENT PAYABLE IN 5 YEARS
16. DEPRECIATION CHART FOR 5 YEARS
17. PROFIT ANALYSIS FOR 5 YEARS
18. PROJECTED BALANCE SHEET FOR (5 YEARS)
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