gardner denver centrifugal blowers

Gardner Denver Centrifugal BlowersGardner Denver Centrifugal Blowers

APPLICATIONSAPPLICATIONS Gardner Denver CF SBU March, 2004

1. Wastewater Treatment2. Landfill Gas Extraction3. Sulphur Recovery4. Process Gas Boosting5. Carbon Black6. Fluidized Bed7. Flue Gas De-Sulferization8. Others

Typical ApplicationsTypical Applications


Wastewater TreatmentWastewater Treatment



Wastewater Basins


Blowers in WastewaterAs Biochemical Oxygen Demand requirement changes in wastewater treatment, Gardner Denver multistage centrifugal blowers adjust easily. The Gardner Denver blowers save energy by eliminating the need for blowoff systems. Gardner Denver centrifugal blowers in wastewater service are designed for direct connection to an electric motor with a non-lubricated flexible drive coupling.


BALANCING B.O.D.BALANCING B.O.D. (Biochemical Oxygen Demand)(Biochemical Oxygen Demand)

• Too little Dissolved Oxygen causes the microorganisms to perish resulting in a septic process.

• Too much Dissolved Oxygen is wasteful & can cause frothing.

• Blower flow control is critical.


TYPES OF AERATION PROCESSES

• Coarse Bubble

• Fine Bubble

• Jet

• SBR

• Mechanical Aerators



Course Bubble

Fine Bubble

Jet Aeration

Sequence BatchReactor (SBR)

Typical Typical ApplicationsApplications


Aeration Processes:Comparison Factors

• Oxygen Transfer Performance

• Mixing Performance

• Efficiency

• Maintenance

• Reliability

• Installation Costs


WHY UTILIZE A MULTISTAGE (MS) CENTRIFUGAL ?

VARIABLEFLOW & PRESSURE

LOW

MAINTENANCE

DURABLE

COMPETITIVEPRICING

SYSTEM

FRIENDLY

EFFICIENCY


ADVANTAGES OF MULTISTAGE ADVANTAGES OF MULTISTAGE CENTRIFUGAL BLOWERSCENTRIFUGAL BLOWERS

• Flexibility - MS Blowers allow variable flow capability without a VFD, critical for maintaining sufficient amounts of dissolved oxygen at the minimum and maximum air requirement levels.

• Efficiency - MS Blowers maintain efficiency throughout their useful life. Additional energy savings are gained by inlet throttling and using custom design control schemes.

• Low Maintenance - With L-10 bearing life design and no wearing parts, MS Blowers operate virtually maintenance free. (Periodic lubrication)

• Low Noise - Most MS Blowers operate below 85 dba at 1 meter.


HEAD LOSS

SYSTEM RESISTANCE

BLOWERCURVE

BLOWERCURVE

(Throttled)

VOLUME

PRESSURE

MULTISTAGE BLOWERMULTISTAGE BLOWER


2006, 560 KW Multistage Blower2006, 560 KW Multistage Blower

Wastewater Treatment - Saudi Arabia


CALCULATING BLOWER PRESSURE CALCULATING BLOWER PRESSURE REQUIREMENTSREQUIREMENTS

• Piping Losses - Including Filter & Valves.

• Diffuser Losses• Head (Depth of

Diffusers)

MaximumDepth

of Diffusers

InletPressureLosses

DischargePressureLosses

Diffuser Losses


BASIN

BASIN33%

33%

33%

33%100%

INLETAIR

INLETAIR

INLETAIR

INLETAIR




Wastewater Treatment


• Insures Accurate, Efficient & Safe Process Control Provides Installation Specific Control Diagrams

• Contains Components From Recognized Manufacturers (3) Blowers (1 per Basin)

•(2) DO Probes per Basin with Local Indication Check local regulations for back-up requirements

Dissolved Oxygen Probe

Basin

Inlet Valve

Local Protection*Surge/Overload

Blower Casing Vibration(PMC-BETA 440S)

M

2 DO Probes /Basinw/Local Indication

Inlet Filter/Silencer Manual WS BF ValveWS Check Vavle

Expansion JointsIncluded For

Inlet and Discharge


Basin

Inlet Valve



M



Inlet and Discharge


Basin

Inlet Valve



M



Inlet and Discharge

Custom Engineered Process Control System


Custom Engineered Process Control System

•Insures Accurate, Efficient, Safe Process Control

• Provides Installation Specific Control, Using Most Opened Valve Method

•With All Software Programs / Communicates With Local Panel’s

• (2 + 1 stand-by) Blowers Designed To Cover Air Requirements For (3) Basins

• (2) DO Probes per Basin with Local Indication

Optional By User

POWER BALANCE VALVEHAND OFF AUTO

BALANCE VAL 2OPEN JOG CLOSE

BALANCE VAL 1OPEN JOG CLOSE

F1 F2 F4 F5 F6F3 F7 F8 F9 F10

F11 F12 F14 F15 F16F13 F17 F18 F19 F20

BSSPALP TAB

SHFCTLLCK ALT

P8

P1

P6

P4

P3

P2

P5

P7

P10

ESC

DEL

INS

=

<

7

1

END

HOME

-

8

5

2

PAGE DOWN

PAGEUP

RETURN

>

9

6

3

0

4

P9

BasinValve

Dissolved Oxygen Probe Communication

Basin

Inlet ValveM

Local Protection

*Surge/OverloadBlower Bearing Vibration

Blower Bearing Temperature

M

Inlet ValveM

M

Inlet ValveM

M

Filter/Silencer

Local Protection



Local Protection




THE COMPLETE BLOWER PACKAGETHE COMPLETE BLOWER PACKAGE

BlowerDriverCommon BaseCouplingAccessories

-Control -Panel-Valves-Etc


Paper Mill - Industrial Waste Water - Calli, Columbia


Paper Mill - Industrial Waste Water - Medellin Columbia


OTHER APPLICATIONS FOR OTHER APPLICATIONS FOR WASTEWATER TREATMENT PLANTSWASTEWATER TREATMENT PLANTS

• Digester Gas - Includes options for corrosive gas; stainless steel shaft and/or impellers. Coated castings and special seals for minimal leakage around the bearings.

• Air Scour/Filter Backwash - Low pressure, short cycle application.

• Fluid Bed Incineration




Landfill Gas Extraction


• Typical Gas: CH4, CO2, N2, etc

• Why Recover the Gas

- ENVIRONMENTAL HAZARD

- CH4 & C02 ‘GREENHOUSE’ GASES

- CH4 = NATURAL GAS

•APPLICATIONS

- Extraction to FLARES

- GAS BOOSTING to a Source of Beneficial Use

LANDFILL GAS APPLICATIONS


Brazilian Landfill


HOFFMAN BLOWER

LANDFILL SITE

KNOCKOUT TANK

FLARE STATION

STORAGE TANKCOLLECTION SYSTEM

TYPICAL FLARE SYSTEM SCHEMATIC


Landfill Gas Storage Tank for Low Flow Conditions


HOFFMAN BLOWER

LANDFILL SITE

KNOCKOUT TANK

FLARE STATION

COLLECTION SYSTEM

TYPICAL SCHEMATIC

HOFFMAN BLOWER

AFTERCOOLERINTERCOOLER

ELECTRIC GENERATION

DRYER

INDUSTRIAL USE OR STEAM APPLICATIONS


Landfill Gas - Brazil


Why Use Multistage Centrifugal Blowers?

• Robust construction designed for long term service in a corrosive environment.

• MS Blowers offer variable volume capability to handle various gas rates over the life of landfill.

• MS Blowers offer tight bearing seal designs for minimal gas leakage, critical for safety and gas usage.


Saturated Gas Corrosive Gas Condensate Build-Up Gas Leakage (Air into

the system)

Add Section Drains Add Coated Castings Add Coating / Drains Grease Units - Inlet Stuffing

Box and Closed Bearing Housings

Oil Units - 4 - Carbon Rings Seals and optional purge taps.

Blower Design Concerns


Design Considerations• Gas-tight seals

– To prevent leakage of air into the gas stream.

• Heresite coated heads and sections• Std. Aluminum impellers• Non-sparking coupling guards• Typical site --- 50%CO2 / 50% CH4




MULTISTAGE BLOWERS AT A CALIFORNIA LANDFILL

DISCHARGEBUTTERFLY

VALVE

INLETBUTTERFLY

VALVE



Sulfur RecoverySulfur Recovery



Sulfur Recovery


Design Considerations• VERY DEPENDENT Upon Customer /

Engineer• Application varies from Combustion Air to Sour

Gas.• API Specifications may / may not be required.


Refinery - Sulfur Recovery / FGD


API SPECIFICATIONS

API = THE AMERICAN PETROLEUM INSTITUE

API IS THE BIBLE OF THE REFINING INDUSTRY

COMMON SPECIFICATIONS

API- 617 FOR AXIAL AND CENTRIFUGAL COMPRESSORS(APPLIES TO GD MULTISTAGE)

API-672 (SINGLE STAGE UNITS)

API-673 (FANS IN REFINERIES)(THIS SPECIFICATION HAS BEEN WITHDRAWN BY API)



API - 617 MAJOR REQUIREMENTS

Extensive Testing

ASME PTC-10 / Impeller Overspeed / Hydrotest (Special)

Rotor Balance (Special) 4 Hour Mechanical Run, etc.

Special Base

Checkered Decking with Drip Rim / Jackscrews

Designed for Grouting in place

Special Motor

API-541 or IEEE-841 Motors

And Many Other Requirements..



API - 617 Major Exceptions

Lubrication System - API-617 Requires a forced Lubrication System as per API-619

Drive Coupling - API-617 Requires Drive Couplings be a Tapered fit as per API-671

and many others..



Model 2007 Multistage Centrifugal

Sulfur Recovery - Korea



Process Gas BoostingProcess Gas Boosting



Process Gas Boosting


PROCESS GASSES- Carbon Dioxide (most common)- Oxygen- Steam- Nitrogen- No Lethal Gas




CARBON BLACKCARBON BLACK


Carbon Black - China



Fluidized Bed IncinerationFluidized Bed Incineration



Fluidized BedFluidized Bed



Power Plant Flue Gas Desulfurization


Power Plant - FGD



Power Plant - FGD


• Varying Methods– Ammonia Injection Systems– SO3 Injection Systems– Wet FGD Systems


Ammonia / SO3 Injection



Other Applications


• De-watering Systems• Steam Boosting• Coke Oven Gas• Printing Press• Barge Venting• Vacuum Hold-down

• AirKnife Blow-off• Plating Tank

Aeration• Fluid Bed

Incinerator• Air Slides• CH4 Recovery -

Mining


EXPERIENCE & RELIABILITY FACTOR • WASTEWATER

– Over 20,000 units around the world at WWTP plants• COMBUSTION AIR

– Blowers in Sulfur Recovery Unit’s and Carbon Black Plants Worldwide

• LANDFILL GAS– Blowers at the largest landfills in the world

• PROCESS– Supplier to Major Petrochemical Companies Worldwide


WE THANK YOU FOR YOUR TIME !!

gardner denver centrifugal blowers

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