Heat exchangers for energy recovery

Tuesday, 28 July, 2009 | Supplied by: Teralba Industries Pty Ltd

In the face of ever-increasing energy costs, many Australian and New Zealand manufacturers and service providers are using the Dimpleflo Modular Heat Exchangers to recover energy from any warm or hot product or effluent.

Industries, such as laundries, wool scourers, abattoirs, dye houses, etc, that have hot wastewater are extracting some of the energy from this effluent through heat exchangers.

The system is maintenance free, even when hot waste products may include large chunks, particles or sludge.

Hot sludge wastewater is passed through the inner dimpled surface of the Dimpleflo cooling from 60 to 30°C, while boiler feed water is preheated in the jacket of the heat exchanger from 20 to 50°C.

The energy recovered can be used wherever a hot product or waste is cooled. If this heat has previously been allowed to dissipate to atmosphere then washdown water used for washdown showers, etc, is basically heated for free.

Features of the Dimpleflo and Dimplestream tubular heat exchangers include: designed and manufactured in Australia; flexibility in heat transfer design to meet specific dimensional or functional requirements; dimple profiled Monotube enables a self-draining heat exchanger that is virtually unblockable; dimple profile to promote a highly turbulent flow and thus maximise heat transfer coefficients; can be constructed using corrosion-resistant alloys such as 2205 duplex and titanium; and requires minimal maintenance.

Online: www.teralba.com
Phone: 02 6964 5033
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