Module - 3: Block Diagram for Water System

(Ref Project: 2 x 660 MW Suratgarh TPS Unit 7 & 8 (EPC Project))

River Water & Raw Water System

Water treatment through

Gas Chlorination System

Water treatment through

Gas Chlorination System
through Raw water Pre Treatment
Pumps water goes to Plant
Aerator
through
Source of Water Pipe Line Raw Water
Desilting River Water Raw Water
(Indira Gandhi Intake P/H Reservoir P/H
Chamber through Ash Water
Canal) through River
Water Intake Make Up Pumps
Pumps

Intake Water System Raw Water System CT Blowdown

Tank
 Module - 3: Block Diagram for Water System
(Ref Project: 2 x 660 MW Suratgarh TPS Unit 7 & 8 (EPC Project))

through DMCW
PT Plant & DM Plant To Aux Boiler Overhead Make Up
(for steam generation Pumps To DMCW
during Initial Start Up) Overhead Tank
(used for DMCW
(SG & TG)
through Boiler
Fill Pump
DM Water
Storage Tank
CST To Boiler
(for steam
through DM
generation +
Make Up
through DM Regeneration Pump Deaerator filling)
Pump
through Hotwell
To Sludge Make Up Pump
Handling System To Hotwell
(for Boiler Make
DM DM Clarified DM Up Water)
Clarifier Water Tank Plant CPU Regeneration
Waste
Water Comes
from Raw CT Blow Down
Water P/H Neutralization Pit Tank
Aerator through Neut.
Effl. Pump
through Service Water Pump Service Water
Overhead Tank
Water from PT Plant Main (at Bunker Roof)
To Flash Tank, Drain
Sludge Handling System Clarifier Tank cooling Filter Water Potable Water
Rapid Gravity Filtered Water Overhead Tank
through Filter Water Pump for plant
Filter Storage Tank (at Deaerator Floor)
To Sludge
Handling System
To AHP System
through AHP Sealing Pump (for AHP Sealing)

Pre Treatment Plant CW Forebay / CW

through CW Make Up Pump
(PT Plant) Pump House
(for Cooling Purpose)
Potable Water for
through Pump Colony
 Module - 3: Block Diagram for Water System
(Ref Project: 2 x 660 MW Suratgarh TPS Unit 7 & 8 (EPC Project))

Cooling Water

Cold Water
NDCT
Water treatment
through Gas
Chlorination System
CT Blow
Down tank
CW Water Blowdown

Water Comes from Filter (Through CW Pump)

CW Return Line Hot Water
Water Storage Tank Condenser
CW Forebay /
Cold Water
CW Pump House
Hot Water ACW Return Line
CEP Discharge Line / DMCW
Overhead Make Up Pumps
ACW Water Cold Water goes to
(Through ACW Pump) various TG drives
TG Plate Heat
Exchanger
Cold Water Through DMCW
(for TG Aux.) (TG) Pump DMCW
Overhead
Tank
Cold Water goes to
SG Plate Heat various SG drives
Exchanger
(for SG + Station Aux.)

Hot Water

Vacuum Pump Through DMCW

Heat Exchanger (SG) Pump
 Module - 3: Block Diagram for Water System
(Ref Project: 2 x 660 MW Suratgarh TPS Unit 7 & 8 (EPC Project))
Various Water System

To Fire Water Pump House / Water Based Fire Protection

System (Spray System + Hydrant Water System)

Water from Raw Water Reservoir, ETP, CW To Ash Handling System

Blowdown from CW Return Line and (for making Ash Slurry)
Neutralization Pit of DM Plant
CT Blowdown
Tank To Coal handling System
(for Dust Suppression purpose / DSPH)

To APH/ESP
(for washing purpose)

To Gardening / Horticulture

To HV Air Conditioning System

Water from Filtered Water
To Service Water AHP
Storage Tank Service Water
Overhead Tank
(at Bunker Roof) To Service Water CHP

To Emergency Fire Protection System

Distribution to plant through Gravity

Water from Filtered Water

Filter Water
Storage Tank
Overhead Tank To Potable Water Distribution
(at Deaerator (through Gas Chlorination System)
Floor)
 Module - 3: Block Diagram for Water System
(Ref Project: 2 x 660 MW Suratgarh TPS Unit 7 & 8 (EPC Project))

Ash Handling System

Water from Filtered Water

through LP Seal Pump
Storage Tank Seal Water Tank For AHP Sealing Purpose
(at Ash Water P/H) (Ash Slurry Pump Sealing in Ash Slurry P/H, Clinker Grinder Sealing)

Overflow of water

through Cooling Water Pump

Cooling Water Tank For Compressor System in AHP
(near Ash Water P/H) (Air Compressor (1st and 2nd Stage), Driers, IA Compressors)
through HP Pump
Overflow of water For Making Slurry in Bottom Ash Hopper

For Making Slurry in ISH

Water from CT Blowdown Tank Ash Water Tank
(at Ash Water P/H) through LP Pump
Bottom Ash Make Up + Seal Trough Make Up+
Bottom Ash Hopper Refractory Cooling
through ECO Water Pump
For making slurry in Eco Hopper for making
Slurry
Ash Slurry
Pump House
Clarifier
(for AHP)
Ash Slurry

Ash Recovery Ash Slurry

Ash Dyke
Pump House