With the then state of art technology
7 M Tall Coke Oven Battery
--Vizag
3200 cum Blast Furnace (still biggest in the country)
Steel
100 % Continuous Casting (Only plant in India)
---- A Systematic & Integrated Approach
WATER SUPPLY & DISTRIBUTION FEATURES IN VSP
Complete Water Audit
Cost Economics at every step
! Kanithi Balancing Reservoir (KBR) with 12 Million Cu.M storage capacity for 100 days requirement. ! 250 KM length of industrial water and F & D water pipeline network.
Technological Discipline
Periodic Review of all steps
! Combined recirculation rate of 1,55,000 Cum/hr with 3600 cum/hr of Make up water addition. ! 30 pump houses, 8 treatment plants, 4 Overhead
Complete Chemical Treatment
tanks, 22 cooling towers, 10 Sewage pump houses, STP & ETP. ! 12 Recirculation systems under chemical treatment
Freezing end user Spec
Cascading use of Blow Down Converting WW to MUW grade
Total Water Management
TOTAL WATER MANAGEMENT IN VIZAG STEEL
WATER WASTAGES IDENTIFIED S No
Water Audit: A complete water balance: – a) Intake water – b) Process consumption, Evaporation etc. – c) Process-waste: Blowdowns, Leakages, Overflows, once thro etc. – d) Boundary outfalls: Effluents.
Source
QTY. IN M3 / hr.
1
SMS-GCP Water wastage at TP-3
350
2
Fresh Water Usage in SMS Slag Yard
50
3
BF-SGP overflow water
80
4
TPP filter backwash water
30
5
TPP Acidic Effluents
100
6
GCP- Sludge water
200
7
Pump House 28 Filter back wash Water
20
8
Pipe line leakages and wastage in buildings etc
400
9
.CoCCP-CDCP overflows from HRWPH
60
10
Cooling Tower Drift losses
200
11
Sec. Spray – Once Through wastage
250
12
Town Ship Excess water Consumption TOTAL
200 1940