QUICK LIME POWDER
[CODE NO 3389]
Quicklime (or calcium oxide (CaO), or burnt lime, or unslaked lime), is obtained by calcining (controlled heating - time and temperature) limestone at temperatures above 900°C. This highly reactive product is essential to many industrial processes
It is also known as caustic lime. It is obtained by calcination (i.e. heating to redness) of comparatively pure lime stone. It is amorphous in nature, highly caustic and possesses great affinity to moisture. Quicklime is also known as burnt lime.
Quicklime (calcium oxide) is a white solid having a crystalline structure. Quicklime is highly reactive with water, generating considerable heat in the hydration process. It can be bought at masonry supply stores.
Quicklime is the compound which is used commonly for whitewashing houses. The chemical name of quick lime or lime is calcium oxide. The chemical formula of quicklime is CaO.
COST ESTIMATION
Plant Capacity : 300.00 MT./day
land & Building (20000)Sq.Mtr) : Rs. 2.62 Cr
Plant & Machinery : Rs. 5.20 Cr
Working Capital for 2 Months : Rs. 9.49 Cr
Total Capital Investment : Rs. 19.71 Cr
Rate of Return : 69%
Break Even Point : 49%
INTRODUCTION
IT IS AVAILABLE IN THREE FORMS:
CLASSIFICATION OF QUICKLIME
(A) ACCORDING TO PARTICLE SIZE:
(B) ACCORDING TO CHEMICAL COMPOSITION:
(C) ACCORDING TO USE:
PROPERTIES OF QUICK LIME
TYPES OF LIMES
1. QUICK LIME
2. SLAKED LIME
3. FAT LIME
4. HYDRAULIC LIME
CLASS A – EMINENTLY HYDRAULIC
CLASS B – SEMI HYDRAULIC
CLASS C – NON-HYDRAULIC (OR FAT LIME)
FACTORS AFFECTS THE QUALITY OF QUICK LIME
1. NATURAL LIMESTONE
A. IMPURITIES
B. CRYSTALLINE STRUCTURE OF STONE
C. DENSITY OF LIMESTONE AND CRYSTALLINE STRUCTURE
2. CALCINATION PROCESS
A. KILN TEMPERATURE
B. RATE OF TEMPERATURE RISE
C. RETENTION IN THE KILN
D. CO2 CONCENTRATION IN KILN
E. PHYSICAL SIZE OF LIMESTONE/TYPES OF KILNS
F. TYPE OF FUEL USED
G. PRE-HEATING AND COOLING
3. METHOD OF STORAGE OF LIME (CAO)
4. SIZE CLASSIFICATION
THE MOST COMMON SIZES ARE:
5. METHOD OF TRANSPORTATION
6. METHOD OF STORAGE AT THE SITE
SPECIFICATIONS OF QUICK LIME FOR CHEMICAL INDUSTRIES
USES AND APPLICATION
B.I.S. SPECIFICATION
MARKET POSITION
GLOBAL LIME MARKET: SNAPSHOT
QUICK LIME TO REMAIN POPULAR OVER FORECAST PERIOD
EXPORT DATA OF QUICK LIME
TOTAL VALUE & VOLUME OF EXPORTS IN INDIA
TOP SUPPLIERS
TOP PORTS OF DISCHARGE
IMPORT DATA OF QUICK LIME
TOTAL VALUE & VOLUME OF IMPORTS IN INDIA
TOP SUPPLIERS
TOP PORTS OF DISCHARGE
MANUFACTURERS/SUPPLIERS OF QUICK LIME
PROCESS FLOW CHART
MANUFACTURING PROCESS OF QUICK LIME
QUICK LIME PROCESSES MAINLY CONTAINS THE FOLLOWING BASIC STEPS
1. PROCUREMENT OF RAW MATERIAL (LIME STONE)
2. LIME STONE STORAGE AND PREPARATION
3. CRUSHING PROCESS OF RAW MATERIAL
4. SCREENING PROCESS
5. WASHING PROCESS
6. STORAGE OF LIME STONE
7. FUEL STORAGE AND PREPARATION
8. CALCINATION PROCESS
HEAT TRANSFER IN LIME BURNING CAN BE DIVIDED INTO THREE STAGES:
(A) SHAFT KILNS
CHARGING OF RAW MATERIAL
DRAWING OF LIME
STILL MORE SOPHISTICATED DRAWING MECHANISMS ARE USED, SUCH AS;
THIS DESIGN IS USED ON SOME MIXED-FEED KILNS.
COMBUSTION
TYPES OF SHAFT KILN
I) MIXED-FEED SHAFT KILN
II) DOUBLE-INCLINED SHAFT KILN
III) THE MULTI-CHAMBER SHAFT KILN
IV) ANNULAR SHAFT KILN
V) PARALLEL-FLOW REGENERATIVE KILN
THE METHOD OF OPERATION DESCRIBED ABOVE INCORPORATES
TWO KEY PRINCIPLES:
(B) ROTARY KILNS
I) LONG ROTARY KILN
II) PREHEATER ROTARY KILN
9. GRINDING PROCESS OF QUICK LIME
10. TESTING
11. STORAGE AND HANDLING OF QUICK LIME
STORAGE
HANDLING
PLANT LAYOUT
SUPPLIERS OF PLANT AND MACHINERY
SUPPLIERS OF QUICK LIME PLANT
CHINA SUPPLIERS OF ROTARY KILN
ROTARY KILNS
COOLING TOWER
ETP PLANTS
AIR POLLUTION CONTROL EQUIPMENTS
AIR COMPRESSOR
PLATFORM WEIGHING MACHINE
FIRE FIGHTING EQUIPMENTS
SUBMERSIBLE WATER PUMP
SUPPLIERS OF RAW MATERIALS
LIME STONE
APPENDIX – A:
1. COST OF PLANT ECONOMICS
2. LAND & BUILDING
3. PLANT AND MACHINERY
4. FIXED CAPITAL INVESTMENT
5. RAW MATERIAL
6. SALARY AND WAGES
7. UTILITIES AND OVERHEADS
8. TOTAL WORKING CAPITAL
9. COST OF PRODUCTION
10. PROFITABILITY ANALYSIS
11. BREAK EVEN POINT
12. RESOURCES OF FINANCE
13. INTEREST CHART
14. DEPRECIATION CHART
15. CASH FLOW STATEMENT
16. PROJECTED BALANCE SHEET
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