Stable Bleaching Powder
| |
Product Specifications: |
Grade |
|
| |
I |
II |
|
| 1. |
Available Chlorine % by wt. (Min.) |
34.0 |
33.0 |
|
| 2. |
Stability i.e. loss of Chlorine on the basis
of initial available Chlorine |
1/15 |
1/11 |
|
| 3. |
Moisture % by wt. (Max.) |
0.3 |
0.5 |
|
| 4. |
Particle size (Passing through 1.7 mm IS
Sieve) % by wt. |
99.5 |
99.5 |
|
PROCESS DESCRIPTION
Burnt lime of 90-92% purity is procured and is slaked in
a hydrator to produce 90% and above hydrated lime having moisture
of 1.2-1.3%. This hydrated lime is charged in the Chlorination
Reactor through a set of conveying equipment, where liquid
chlorine is introduced under high vacuum created by vacuum
system. The reactor has agitator for better absorption. After
Chlorination, drying is carried out at 80oC under vacuum.
The product so formed is cooled and Bleaching Powder so formed
is transported through conveying system to packing where it
is sieved, oversize crushed and packed in bags/ drums.
High purity of Burnt Lime, controlled chlorination cycle
with proper temperature control and high vacuum result in
free flowing good quality product having high available chlorine
and longer stored life.
LIST OF EQUIPMENT
| 1. |
Burnt lime hydrator |
| 2. |
Air classifier |
| 3. |
Chlorination reactor and drive unit. |
| 4. |
Vacuum pumps, vapour pipes, barometric condensor,
pipe lines etc. |
| 5. |
Material handling system e.g. bucket elevators,
screen conveyors, vibrating screen, hammer mills etc. |
| 6. |
Tanks and hoppers with packing system. |
| 7. |
Steam boiler (Non-IBR), cooling towers,
liquid chlorine handling and use in process. |
| 8. |
Instruments for process control |
| 9. |
Electricals |
Production Capacity : 15 TPD
| Inputs |
|
Per ton of Product |
| a) Raw Material |
1. Burnt Lime
2. Liquid Chlorine
3. Caustic Soda
|
600 Kg/MT of SBP
430 Kg/MT of SBP
20 Kg/ MT of SBP |
| b) Utilities |
1. Steam
2. Process Water |
0.2 Kg / MT of SBP
60-70 M3/day |
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