process flow diagrams desalination - flowserve application selling guide process flow diagrams —...

1 Application Selling Guide Process Flow Diagrams — Desalination Flowserve Internal Confidential

DESALINATIONProcess Flow Diagrams

FLOWSERVE INTERNAL CONFIDENTIAL

APRIL 2017

Experience In Motion


DESALINATION — PROCESS FLOW DIAGRAMS

IntakePump

Seawater

Dual Media Filter

RejectBrine

FilteredSeawater

Tank

CartridgeFilter

Filtered Seawater Pump

PermeateTank

TransferPump

FlushingPump

High-PressureFeed Pump

High-PressurePump

2nd Pass PumpLow-

PressureFeed Pump

Flush

ERDBooster

TransferPump

Bypass

Recirculation

EnergyRecovery Device

1st Pass Membrane 2nd Pass MembraneBackwash

Pump

SurgeTank

Brine Reject

Produced Water(1st pass)

Product Water(2nd pass)

Schematic diagram of Salt Water Reverse Osmosis (SWRO) desalination plant employing DWEER Energy Recovery Devices (ERD) technology

FRESH WATER

APPLIED PRESSURE

SALT WATER WITH IMPURITIES

WITH EXTERNAL PRESSURE ONLY WATER FILTERS THROUGH

SEMI-PERMEABLE MEMBRANE

REVERSE OSMOSIS

WATER FLOW DIRECTION

SALT WATER

OSMOTIC PRESSURE

FRESH WATER WATER MOVES TO HIGHER SALT CONTENT SIDE


OSMOSIS

DIRECTIONFLOWWATER

FRESH WATER

APPLIED PRESSURE

SALT WATER WITH IMPURITIES

WITH EXTERNAL PRESSURE ONLY WATER FILTERS THROUGH


REVERSE OSMOSIS

WATER FLOW DIRECTION

SALT WATER

OSMOTIC PRESSURE

FRESH WATER WATER MOVES TO HIGHER SALT CONTENT SIDE


OSMOSIS

DIRECTIONFLOWWATEROUTER WRAPFEED CHANNEL SPACER MEMBRANEPERMEATE COLLECTION MEMBRANEFEED CHANNEL SPACER PERMEATE COLLECTION TUBE

FEED OUT

FEED IN

FEED OUT

PERMEATE OUT

FEED IN

Typical RO membrane element structure



Multistage flash distillation process diagram

Multi-effect distillation process diagram

STEAM EJECTION

SOURCE PUMP

TO OUTFALL

DEAERATOR

DISTILLATE PUMP

BLOWDOWN PUMPBRINE CIRCULATION PUMP

FLASH CHAMBERCONDENSATE

RETURN PUMP

BRINE HEATER

LOW-PRESSURE STEAM

FEEDWATER

STEAM SUPPLY

TO OUTFALL

FLASH VESSEL

SOURCE PUMP

BRINE BLOWDOWN PUMP

DISTILLATE PUMP

FINAL CONDENSER

CONDENSATE PUMP

FINAL EFFECT

3rd EFFECT

2nd EFFECT

1st EFFECT



Basic SWRO process diagram

INTAKE SCREENING FACILITY

PRETREATMENT FILTERS

REVERSE OSMOSIS

DRINKING WATER SUPPLY TANK

OUTLET TUNNEL

SEAWATER CONCENTRATE OUTLET

SEAWATER INTAKE

INTA

KE T

UNNE

L

SEAWATER CONCENTRATE IS SAFELY RETURNED TO THE OCEAN

POST-TREATMENT TO DRINKING WATER STANDARD



Main energy recovery technologies in schematic layout

Isobaric Chamber (IC)

Energy Recovery Turbine (ERT)

Turbocharger (TC)

FEED LPFEED HPBRINE HPBRINE LPPERMEATEFLOWSERVE PRODUCTS

BRIN

E

FLUSHING PUMP

INTAKE PUMP

BACKWASH PUMP

FILTERED SEAWATER PUMP

LOW-PRESSURE FEED BOOSTER PUMP

ERD BOOSTER PUMP

HIGH-PRESSURE FEED PUMP

FLUSH

BYPASS

2nd PASS MEMBRANE1st PASS MEMBRANE

ENERGY RECOVERY DEVICEREJECT

BRINE

REJECT BRINE

TRANSFER PUMP

SURGE TANK

TRANSFER PUMP

PERMEATETANK

CARTRIDGEFILTER

FILTERED SEAWATER TANK

DUAL MEDIAFILTER

HIGH-PRESSURE FEED PUMPS


INTAKE PUMP

BACKWASH PUMP


HIGH-PRESSURE FEED BOOSTER PUMP



FLUSH

FLUSHING PUMP

2nd PASS MEMBRANE

1st PASS MEMBRANE

REJECT BRINE

SURGE TANK

TRANSFER PUMP

TRANSFER PUMP

PERMEATETANK

CARTRIDGEFILTER

ENERGY RECOVERY TURBINE


DUAL MEDIAFILTER

MOTOR


INTAKE PUMP

BACKWASH PUMP




FLUSH

FLUSHING PUMP


REJECT BRINE

SURGE TANK

TRANSFER PUMPTRANSFER

PUMP

PERMEATETANK

CARTRIDGEFILTER

TURBO CHARGER


DUAL MEDIAFILTER




HIGH

-PRE

SSUR

E FE

ED



RECIRCULATING PUMP RECIRCULATING

PUMP



MEMBRANES

TURBO CHARGERENERGY RECOVERY TURBINE

ISOBARIC (DWEER)ISOBARIC (DWEER)

TURBOCHARGER

REJECT BRINE

REJECT BRINE

REJECT BRINE

REJECT BRINE

REJE

CTED

LI

NE

MEMBRANES

PERMEATE

PERMEATE

PERMEATE

PERMEATEMEMBRANES

WORK EXCHANGE VESSELS


MEMBRANE

TURBINENOZZLE VALVE

PUMPTHROTTLE

VALVE

TURBINE

MOTOR

FROMCARTRIDGE

FILTERS

FROMCARTRIDGE

FILTERS

FROMCARTRIDGE

FILTERS

FROMCARTRIDGE

FILTERS




HIGH

-PRE

SSUR

E FE

ED




PUMP



MEMBRANES



TURBOCHARGER

REJECT BRINE

REJECT BRINE

REJECT BRINE

REJECT BRINE

REJE

CTED

LI

NE

MEMBRANES

PERMEATE

PERMEATE

PERMEATE

PERMEATEMEMBRANES



MEMBRANE

TURBINENOZZLE VALVE

PUMPTHROTTLE

VALVE

TURBINE

MOTOR

FROMCARTRIDGE

FILTERS

FROMCARTRIDGE

FILTERS

FROMCARTRIDGE

FILTERS

FROMCARTRIDGE

FILTERS




HIGH

-PRE

SSUR

E FE

ED




PUMP



MEMBRANES



TURBOCHARGER

REJECT BRINE

REJECT BRINE

REJECT BRINE

REJECT BRINE

REJE

CTED

LI

NE

MEMBRANES

PERMEATE

PERMEATE

PERMEATE

PERMEATEMEMBRANES



MEMBRANE

TURBINENOZZLE VALVE

PUMPTHROTTLE

VALVE

TURBINE

MOTOR

FROMCARTRIDGE

FILTERS

FROMCARTRIDGE

FILTERS

FROMCARTRIDGE

FILTERS

FROMCARTRIDGE

FILTERS


BRIN

E

FLUSHING PUMP

INTAKE PUMP

BACKWASH PUMP



ERD BOOSTER PUMP


FLUSH

BYPASS


ENERGY RECOVERY DEVICEREJECT

BRINE

REJECT BRINE

TRANSFER PUMP

SURGE TANK

TRANSFER PUMP

PERMEATETANK

CARTRIDGEFILTER


DUAL MEDIAFILTER



INTAKE PUMP

BACKWASH PUMP


HIGH-PRESSURE FEED BOOSTER PUMP



FLUSH

FLUSHING PUMP

2nd PASS MEMBRANE

1st PASS MEMBRANE

REJECT BRINE

SURGE TANK

TRANSFER PUMP

TRANSFER PUMP

PERMEATETANK

CARTRIDGEFILTER

ENERGY RECOVERY TURBINE


DUAL MEDIAFILTER

MOTOR


INTAKE PUMP

BACKWASH PUMP




FLUSH

FLUSHING PUMP


REJECT BRINE

SURGE TANK

TRANSFER PUMPTRANSFER

PUMP

PERMEATETANK

CARTRIDGEFILTER

TURBO CHARGER


DUAL MEDIAFILTER



Schematic of SWRO process employing DWEER energy recovery device


BRIN

E

FLUSHING PUMP

INTAKE PUMP

BACKWASH PUMP



ERD BOOSTER PUMP



FLUSH

BYPASS


ENERGY RECOVERY DEVICE

REJECTED BRINE

REJECTED BRINE

TRANSFER PUMP

SURGE TANK

TRANSFER PUMP

PERMEATETANK

CARTRIDGEFILTER


DUAL MEDIAFILTER



Simplified cross-section of a DWEER system in operation

LinX™Check Valves

Vessel Piston

IMPORTANT: DWEER operating principles are difficult to understand without strong visual reference. A helpful animation describing these principles is available at: https://www.youtube.com/watch?v=QaKYbHwv4k4.

Flowserve Corporation5215 North O’Connor BoulevardSuite 2300 Irving, Texas 75039flowserve.com

North America

Latin America

Europe

Middle East

Africa

Asia-Pacific

FLS-1008-Diagrams (E/AQ) ASG-Desal, April 2017 © 2017 Flowserve Corporation. All rights reserved. Printed in the U.S.A. April 2017. Kämmer, Logix, NAF, Valbart, Valtek, Flowserve, and the Flowserve design are registered marks of Flowserve Corporation. All other marks are the property of their respective owners.

process flow diagrams desalination - flowserve application selling guide process flow diagrams —...

Documents