Tube SettlersTube Settlers for Improved for Improved

Clarifier Clarifier PerformancePerformance

Tube SettlersTube Settlers for Improved for Improved

Clarifier Clarifier PerformancePerformance

Products for Water TreatmentProducts for Water Treatment IFR 6000IFR 6000 series Tube Settlers series Tube Settlers AccuGridAccuGrid Protective Walkway Grating Protective Walkway Grating Tube Settler Support System Tube Settler Support System Overflow Effluent TroughsOverflow Effluent Troughs Baffles Baffles

IFR6000IFR6000 Series Tube Settlers Series Tube Settlers

Tube Settler SystemTube Settler System

Tube Settler FunctionTube Settler Function Reduces the distance a particulate Reduces the distance a particulate

has to drop to be removed from has to drop to be removed from suspensionsuspension

DistanceWithout

Tube Settlers

DistanceWith Tube

SettlersFlow

Tube Settler FunctionTube Settler Function

Liquid Rise Velocity Liquid Rise Velocity Can Exceed The Can Exceed The Particulate Settling Particulate Settling VelocityVelocity

Liquid Rise Rate Liquid Rise Rate w/ IFR-6000w/ IFR-6000

TH

E I

FR

-600

0 A

DV

AN

TA

GE

TH

E I

FR

-600

0 A

DV

AN

TA

GE

ParticleParticleSettlingSettlingVelocityVelocity

Liquid V

elocity

Liquid V

elocity

IFR-6000 C

hannel

IFR-6000 C

hannel

Liquid Rise Rate Liquid Rise Rate w/out Tube Settlersw/out Tube Settlers

WithWith TUBE TUBE SETTLERSSETTLERS

Liquid Rise Velocity Is Liquid Rise Velocity Is Limited By The Settling Limited By The Settling Velocity of the Velocity of the ParticulateParticulate

Without Tube Settler

VSVS

IFR 6000IFR 6000 Series Tube Series Tube SettlersSettlers

Up-Flow Capacity - 2.0 – Up-Flow Capacity - 2.0 – 3.5gpm/ft2 3.5gpm/ft2 (5.0 – 8.75 m/h(5.0 – 8.75 m/h))

Available in Tube Lengths Available in Tube Lengths of – 28in (of – 28in (710mm710mm), 42in ), 42in ((1060mm1060mm) and 48in ) and 48in ((1220mm1220mm))

Tubes are UnidirectionalTubes are Unidirectional Tube Angle is 60 degreesTube Angle is 60 degrees Low Reynolds (<400)Low Reynolds (<400) Can be Used in Water and Can be Used in Water and

Wastewater ApplicationsWastewater Applications

Tube Settlers

IFR 6000 SERIES TUBE SETTLERSIFR 6000 SERIES TUBE SETTLERSSTRUCTURAL INTEGRITYSTRUCTURAL INTEGRITY

Integrated structural ribs maximizes Integrated structural ribs maximizes vertical loading capability.vertical loading capability.

Constructed from high Constructed from high quality rigid PVCquality rigid PVC

Dedicated glue joints Dedicated glue joints insures uniform tube insures uniform tube construction and construction and maximum structural maximum structural integrityintegrity

IFR6000IFR6000 Series Tube SettlersSeries Tube SettlersMaterial of ConstructionMaterial of Construction

Available in NSF certified (blue) PVC Available in NSF certified (blue) PVC or standard potable grade (black) PVCor standard potable grade (black) PVC

Manufactured from UV resistant and Manufactured from UV resistant and flame resistant (self-extinguishing) flame resistant (self-extinguishing) PVC PVC

PVC is not effected by naturally PVC is not effected by naturally occurring constituents in water and occurring constituents in water and wastewaterwastewater

IFR6000IFR6000 Series Tube Series Tube SettlersSettlers ModulesModules

Modules are available in Modules are available in 6ft (6ft (1830mm1830mm), 8ft ), 8ft ((2440mm2440mm), 10ft ), 10ft ((3050mm3050mm) and 12ft ) and 12ft ((3660mm3660mm) lengths) lengths

Modules can be field cut Modules can be field cut to fit circular or to fit circular or rectangular tanksrectangular tanks

IFR6000IFR6000 Series Tube Series Tube Settlers are Designed to Settlers are Designed to Minimize Short Circuiting Minimize Short Circuiting

Between Modules Between Modules

IFR 6000 Series Tube Settlers Competition

AdvantagesAdvantages of of IFR6000IFR6000 Series Tube Series Tube SettlersSettlers

Increase efficiency and/or capacity of existing Increase efficiency and/or capacity of existing clarifiers. clarifiers.

Reduce the size and construction costs of new Reduce the size and construction costs of new clarifiersclarifiers

Reduce amount of chemical usage (alum, Reduce amount of chemical usage (alum, polymer)polymer)

Reduce backwash frequency of downstream Reduce backwash frequency of downstream filtersfilters

Low cost compared to lamella settling platesLow cost compared to lamella settling plates Long service life with minimal maintenanceLong service life with minimal maintenance

IFR-6000 TUBE IFR-6000 TUBE SETTLER SYSTEM SETTLER SYSTEM

DESIGNDESIGN

Tube Settler System Tube Settler System ComponentsComponents

Tube SettlersTube Settlers

TroughsTroughs

SupportsSupports

BafflesBaffles

AccuGridAccuGrid Protective Protective

surface gratingsurface grating

IFR 6000IFR 6000 Series Tube Settler Series Tube Settler Three Design OptionsThree Design Options

AccuPac IFR 6041

AccuPac IFR6036

AccuPac IFR 6024

1040mm

915mm

610mm

IFR-6000IFR-6000 Design Design CriteriaCriteria

Design considerations:Design considerations: Volume of Flow (Volume of Flow (m3m3), Surface Area of the Tanks (), Surface Area of the Tanks (m2m2) and ) and

Design Up-flow Rate (gpm/ftDesign Up-flow Rate (gpm/ft2 2 oror m/hrm/hr))

IFR-6024IFR-6024 up-flow rate = 2.0 gpm/ft2 ( up-flow rate = 2.0 gpm/ft2 (5.0m/hr5.0m/hr))

IFR-6036IFR-6036 up-flow rate = 3.0 gpm/ft2 (up-flow rate = 3.0 gpm/ft2 (7.5m/hr7.5m/hr))

IFR-6041IFR-6041 up-flow rate = 3.5 gpm/ft2 ( up-flow rate = 3.5 gpm/ft2 (8.75m/hr8.75m/hr))

IFR-6000IFR-6000 System Design System Design Support SystemSupport System

Stainless steel, aluminum or painted Stainless steel, aluminum or painted carbon steel beamscarbon steel beams

Supports beams should be located a Supports beams should be located a minimum of 12in (minimum of 12in (305 mm305 mm) in from ) in from each end of the moduleseach end of the modules

Beam width in contact with the Beam width in contact with the modules should be a minimum of 2in modules should be a minimum of 2in ((50 mm50 mm) and a maximum of 3in ) and a maximum of 3in ((70mm70mm).).

Support beams should be designed to Support beams should be designed to support a minimum load of 30 lbs/ft2 support a minimum load of 30 lbs/ft2 ((150 kgs/m2150 kgs/m2) and a live load of 250 lbs ) and a live load of 250 lbs over 1.0 ft2 (over 1.0 ft2 (113kgs over 0.09m2113kgs over 0.09m2))

305mm

50mm

IFR 6000IFR 6000 Series Tube Settlers need Series Tube Settlers need only only two support beams per moduletwo support beams per module. Modules . Modules available in lengths from 6ft (available in lengths from 6ft (1830mm1830mm) – ) –

12ft (12ft (3660mm3660mm). ).

12ft (3660mm) module length

610mm

IFR-6000IFR-6000 System Design System Design Support System - Circular ClarifierSupport System - Circular Clarifier

Rev. No. Date Record of Changes

P.O.Box 605610 Morgantown RoadReading, PA 19603 U.S.A.(610) 374-5109 / (610) 376-6022 (Fax)www.brentw.com

This is the property of Brentwood Industries, Inc. It may not be reproduced or used for any purpose other thanthose expressly authorized by Brentwood Industries. It shall be returned immediately upon request of Brentwood Industries.

By±1/2"

TOLERANCES

±1/2"LENGTH

WIDTH

HEIGHT ±1/2"

Drawn By

Drawing No. Scale

Date

Project Name

Title

A

ILLUSTRATIVETUBE SETTLER LAY OUT

A-001

AWA

NONE

12/28/99

IFR-6000 TUBE SETTLERSPRODUCT DRAWING

25' RADIUS

20' RADIUS ±

INNER BAFFLE

DOUBLE SUPPORT FRAME (TYP.)

SUPPORT FRAME C.L.(CUTTING LINE FOR TUBE MODULES)

EFFLUENT TROUGH

10 ft. MODULES BEFORE CUTTING (TYP.)

MODULE LAYOUT AFTERCUTTING & INSTALLATION

MODULE AREA TO BE CUT (ALONG FRAME C.L.) AND REMOVED (TYP.)

NOTE: ALL CUTTING OF THE TUBE MODULES SHALL BE PERFORMED OUTSIDE OF THE TANK. VERIFY ALL MEASUREMENTS PRIOR TO CUTTING OF MODULES. ALL TANK DIMENSIONS ARE TO BE VERIFIED BY CONTRACTOR PRIOR TO INSTALLATION. THIS DRAWING IS FOR SCHEMATIC PURPOSES ONLY.

IFR-6000IFR-6000 System Design System Design Other System ComponentsOther System Components

Overflow Effluent TroughsOverflow Effluent Troughs Generally constructed of fiberglass Generally constructed of fiberglass

or steel.or steel. Overflow effluent troughs should be Overflow effluent troughs should be

sized to handle peak flows, and sized to handle peak flows, and meet local regulatory requirements.meet local regulatory requirements.

Effluent troughs generally designed Effluent troughs generally designed to handle 20,000 gpd per linear foot to handle 20,000 gpd per linear foot ((250 m3/d per linear250 m3/d per linear metermeter) of ) of overflow weir (common USA overflow weir (common USA standard). standard).

IFR-6000IFR-6000 System Design System Design Other System ComponentsOther System Components

BafflesBaffles Generally constructed from fiberglass, Generally constructed from fiberglass,

steel, or PVC plastic. steel, or PVC plastic.

Should extend a minimum of 1.0ft Should extend a minimum of 1.0ft

((305mm305mm) below the bottom of the tube ) below the bottom of the tube

settler modules.settler modules. Brentwood PVC Brentwood PVC AccuWallAccuWall This baffle wall This baffle wall

is supplied in sections 8in (is supplied in sections 8in (200mm200mm) wide ) wide

and in any length. The sections snap and in any length. The sections snap

together to form a continuous wall. The together to form a continuous wall. The

sectionssections can be installed vertically or can be installed vertically or

horizontally. horizontally.

IFR-6000IFR-6000 System DesignSystem Design Other System ComponentsOther System Components

Accu-GridAccu-Grid Walking SurfaceWalking Surface – Is – Is Available for trickling filter & tube Available for trickling filter & tube settler applications. The settler applications. The Accu-GridAccu-Grid used in tube settler applications has used in tube settler applications has density of 1.4 and is NSF/ ANSI 61 density of 1.4 and is NSF/ ANSI 61 Certified.Certified.

AccuGrid

IFR-6000IFR-6000 System Design System Design

Accu-GridAccu-Grid interlocking 2ft (interlocking 2ft (610mm) 610mm) x x 2ft (2ft (610mm)610mm) panels provide a panels provide a protective layer from foot traffic and protective layer from foot traffic and hydraulic impact.hydraulic impact.

Accu-GridAccu-Grid is an ideal is an ideal walking surface when walking surface when inspecting or cleaning the inspecting or cleaning the tube settlers and overflow tube settlers and overflow troughs. troughs.

AccuGrid

Overflow Effluent TroughV-Notch Weir

Flow

IFR-6000IFR-6000 Series Tube Settler Series Tube Settlervs. Lamella Platesvs. Lamella Plates

IFR-6000IFR-6000 tube settlers eliminate tube settlers eliminate horizontal flows and eddy currents and horizontal flows and eddy currents and provide true stratified flow conditionsprovide true stratified flow conditions

IFR-6000IFR-6000 tube settlers provide much tube settlers provide much lower Reynolds Number, allowing higher lower Reynolds Number, allowing higher up-flow rates while still maintaining up-flow rates while still maintaining laminar flow.laminar flow.

IFR6000IFR6000 tube settlers have higher tube settlers have higher effective settling area per unit volume.effective settling area per unit volume.

IFR-6000IFR-6000 tube settlers are much less tube settlers are much less expensive than lamella plates and perform expensive than lamella plates and perform the samethe same

Brentwood IFR 6000 Brentwood IFR 6000 Series Tube Settler Series Tube Settler

InstallationsInstallations

Over Over 500,000 m2500,000 m2 installed worldwideinstalled worldwide

Overflow TroughsV-Notch Wier

IFR6041 Tube Settlers1040mm

Overflow Trough

Tube Settlers

Supports

Tank Bottom

Supports

Tube Settlers

Supports

IFR6024 Tube Settlers

Over Flow Troughs

Tube Settlers

Thank YouThank YouOverflow Trough

Tube Settlers

IFR6041 Tube Settlers

1040mm

Overflow TroughsV-Notch Weirs

Tube Settlers, Supports and Baffles in a Circular Tank

Supports

Baffles

Sky

Tube Settlers

Tube Settlers

Overflow Trough

Overflow Troughs

Tube Settler

Benefits of AccuPac Benefits of AccuPac IFR6000 Series Tube IFR6000 Series Tube

SettlersSettlers Increase the capacity and/or efficiency of Increase the capacity and/or efficiency of

existing clarifiersexisting clarifiers Reduce the size of new clarifiersReduce the size of new clarifiers Reduce chemical usageReduce chemical usage Reduce backwash frequency on down stream Reduce backwash frequency on down stream

filtersfilters Tubes are unidirectional for easy cleaningTubes are unidirectional for easy cleaning Designed to handle up-flow rates from Designed to handle up-flow rates from

2.0gm/ft2 (2.0gm/ft2 (5.0m/hr5.0m/hr) to 3.5gpm/ft2 () to 3.5gpm/ft2 (8.75m/hr8.75m/hr)) Engineered to accommodate maintenance Engineered to accommodate maintenance

personnelpersonnel

THANK YOU