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DRY COOLING

I D E A S E N G I N E E R E D

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1. CAPABILITY

2. CAPACITY

3. MODULAR SUPPLY

4. REFERENCES

5 ECOLOGIC

6. TECHNICAL

CONTENTS

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Capability

Jord International has been designing and supplying custom built air-cooled heat exchanger and

condenser systems since its inception in 1972. A large percentage of the Groups $200 million of

annual revenues is generated from this technology.

Jords forty odd years of references cover the full spectrum of applications; pressures up to 450

bar, temperatures from -60c to 450c, toxic, lethal & hydrogen services, and viscous high pour

point services. Jord is experienced with most of the exotic metals, including inconel 625, incoloy825, duplex and super-duplex grades. The longevity of our installations, many of which have been

operating for decades, bears testament to the robustness of our designs.

Jord is formally registered as an approved supplier to most of the oil, gas, petrochemical and

power generation majors. Such customers include for example, Shell, ExxonMobil, Aramco,

SABIC, BP, Chevron, Conoco-Phillips and Dow Chemical.

Jord holds IMS accreditation to ISO9001, 14001 and 18001. Our wholly owned Malaysian

workshop holds ASME U, U2, R and NB certification, as does our Korean joint venture workshop,

and our various other manufacturing alliances around the world.

All technical design work is carried out in-house. Software includes HYSIS (for processsimulations), HTRI & HTFS (thermal design), Strand 7 (finite element analysis), Staad Pro

(structural design) and Inventor (3D design).

Project execution is undertaken using Jords proprietary Lotus Notes based Horizons system.

This provides real-time access for all project details to Jord staff, suppliers and customers,

wherever they may be in the world.

CAPABILITY

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VACUUM STEAM CONDENSER, SAUDI ARABIACondensing steam turbine exhaust in the Sahara Petrochemical PDH plant, built by Daelim

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Capacity

With a manufacturing capacity of 1,200 tube bundles per year, Jord has a demonstrable record

of successfully delivering world scale projects.

The bulk of capacity lies in the companys wholly owned Malaysian workshop, which is

exclusively dedicated to Dry Cooling manufacture, and in our Korean joint venture workshop.

A number of other Asian and Middle Eastern fabrication alliances supplement this capacity.

Extensive finned tube production capacity is available in-house across most fin types.

Reasonable inventories are maintained to cater for emergency deliveries.

All workshops have substantial hard-stand outside areas for lay-down, trial assembly and

factory acceptance testing (FAT). This leaves workshop bays free for production-line style

tube bundle and fan drive assembly production.

Jord has embraced both Six Sigma and Lean process improvement programs. A team of

Black Belt and Green Belt qualified staff are regularly challenged to identify and realise

opportunities for Jord to improve quality, eliminate waste and/or increase productivity.

CAPACITY

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JORD KOREAIn par tnership with KC Cottrell, Jords Korean fabrication workshop near Pyeongtaek Port, has a capacity of 800 bundles per year

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MODULAR SUPPLY

Modular Supply

Jord Internationals Dry Cooling systems have been delivered to more than 50 countriesthroughout the world. Modular design is incorporated wherever possible, to minimise site

erection time and cost, and to maximise the ability to test each unit as much as practical in the

workshop prior to shipment.

Air coolers supply

ACC supply

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MODULAR SUPPLYAir cooler bays are shipped in modular form wherever possible, resting on their machinery mounts, as shown for this 6.6m wide unit

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Incoloy 625 Materials

PSN / Exxon Mobil, Australia10 bays of offshore gas compression coolers,incoloy 625 pressure components, 240 barpressure, strength weld tube to tube sheet joints.

Toxic ServicesBechtel / Foster Wheeler / Thai Oil66 new bays & replacement bundles / drivearrangements and a vacuum steam condenserfor a complex Aromatics plant revamp project.Toxic, hydrogen and low temperature serviceapplications compliant to Shell DEP specifications.

Natural DraftOMV & SUI Gas, PakistanMultiple natural draft gas compressor coolerstations using duplex pressure components.

Remote locations in the Sindh desert necessitatedthe use of motorless natural draft designs.

REFERENCES

LNG TrainKellogg JV / Woodside71 bays, covering a plotspace of 230m x 40mcomprehensively shop tested for airflow,vibration and hemi-spher ical noise analysis.

Natural Gas Processing PlantChiyoda / Petrochina, Indonesia51 air cooler bays handling 20 differentprocess services, fully delivered in 9 months.

Vacuum Steam CondenserSamsung / NPPC, Saudi ArabiaTwo units with a capacity of 260 tons/hourfor a polypropylene plant.

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FACTORY ACCEPTANCE TESTINGVSD driven, super-duplex SAF2507 air coolers, bound for PDO Oman,

being comprehensively tested in the Korean workshop prior to shipment

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A clean solution for an Algerian project

Even in hot climates, most cooling and condensing applications for industrial

plants should be at least par tially undertaken using air instead of water.

Such as these condensers at the back of an Algerian industrial plant.

By avoiding seawater cooling, harbour marine life was saved from the harmful

effects of an increased water temperature .

By avoiding freshwater cooling, the substantial water loss associated with

conventional evaporative cooling was saved. In both instances, the capital and

operating costs of water treatment facilities were eliminated.

By using Jord's air-cooled technology, the plant owner selected the only tr ulyECOLOGIC solution.

ECOLOGIC

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ECOLOGICA bank of Jord induced draft air coolers on the Algerian coastline

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Components of an air cooler

TECHNICAL

1

1

1

Tube bundle (one or more per bay)

Header box

Finned tube

Bundle frame

Louvres (optional)

1

2

3

4

Fan drive system

Fan (fixed or auto-variable pitch)

Motor (single, dual or variable speed)

Machinery mount

Vibration switch

Drive pulley

Driven pulley

HTD belt

1

2

3

4

5

6

7

Structure for a single bay

Plenum chamber

Header walkway

Support structure

1

2

3

2

2

3

3

4

4

1

2

35

6

7

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JORD MALAYSIAJord's whol ly owned workshop, dedicated exclusive ly to air coolers and condensers , has a capacity of 400 bundles per year

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TECHNICAL

PAGE 13

Header Types

Plug

Cover Plate

Welded Bonnet

Manifold

Diagram Comments

For design pressures up to 450 bar. The most versatile and

common header type. A plug hole opposite each tube allows

access for expansion, seal weld or strength weld of the tube

into the tube sheet.

For design pressures up to 25 bar. It is used for high fouling

fluids where frequent internal access for cleaning is

necessary. May be flanged or stud type.

For design pressures up to 300 bar. Suitable for vacuumapplications, such as steam condensers, or other applica-

tions where an external leak to atmosphere can not be

tolerated.

For high design pressures where internal access is not

necessary. U-bend tubes are often used with this header

type.

Fin Tube Types Diagram Comments

Extruded fin

Suitable for services below a design temperature of 250c.A robust fin with excellent corrosion and mechanical properties.

Formed by extruding an aluminium sleeve over a base tube. An

alternative is produced with serrated fins to increase the heat

transfer. However, serrated fins are more prone to fouling and are

not commonly specified.

Embedded (G) fin

Suitable for high temperature services up to 450c. A helical grooveis cut into the tube (0.25mm +/- 0.05mm) and the fin material is

tension-wound into the groove. Fins are predominantly aluminium,

although copper or steel fins can be produced for some applications.

L & KL fin

The most cost effective and common fin type.

Suitable for moderate services up to a maximum design tempera-

ture of 150cfor L and 250cfor KL.The fin is formed into anL-shape and tension wound over the base tube, providing additional

corrosion protection of the base tube. A more robust alternative

involves knurling of the foot onto the tube (KL type).

LL fin

Produced the same way as L fin however with a wider fin base and

successive overlap of the fins. The base is completely protected from

atmospheric corrosion, except for tube ends that can be painted. A

cost effective alternative to services that would otherwise require

extruded fins.

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WELDED BONNET HEADERS, EGYPTEach bay shown has two finned tube bundles that were fabricated with welded bonnet type headers

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I D E A S E N G I N E E R E D

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Jord International Pty Ltd

Sydney Head Office38 Oxley Street

St Leonards NSW 2065

Sydney, Australia

info@jord.com.au

T + 61 2 8425 1500

F + 61 2 8425 1555

www.jord.com.au

Details of office locations can be found on

our website at www.jord.com.au

Jord is an ISO 9001, 14001 & 18001 accredited company

I D E A S E N G I N E E R E D