Monday, June 11, 2007
Many months ago, i have attended it seminar on vacuum system. Pretty professional in vacuum and heat transfer area...
FREE articles available for engineers...
Plate heat exchangers (PHE) consist of a series of thin corrugated plates hung from a carrying bar and clamped between a fixed and movable head plate. The corrugated plates or heat transfer plates are normally stainless steel or other materials ductile enough to allow pressing. Each heat transfer plate is fitted with an elastomeric gasket, partly to seal and partly to distribute the process fluids. Connections in the fixed or movable head plates permit the entry of the process fluids into the plate pack...
Heat Exchangers in Municipal Wastewater Treatment Plants
Spiral heat exchangers have been shown to be economical and reliable for handling municipal wastewater treatment plant sludge heating duties. These exchangers are able to operate reliably when fed with solid and fiber laden fluids, such as sewage sludge. Plate heat exchangers provide an economical option for basic liquid-to-liquid service. Compactness, efficiency, reliability, ease of maintenance, and low initial investment make this exchanger design the choice for many wastewater treatment applications...
Using PC Software to Predict Heat Exchanger Performance
Heat exchanger designers establish operational constraints when they develop a system. In practice, these constraints are conservatively stated, although rarely experienced, during the useful lifetime of a system. Usually, a designer assumes worst-case conditions with respect to the inlet cooling-water temperature and fouling. However, when operational variables change, such as thermal load and cooling-tower temperature, it is necessary to predict exchanger performance under the new conditions so that the impact on all variables in the process loop can be determined...
Heat exchanger designers establish operational constraints when they develop a system. In practice, these constraints are conservatively stated, although rarely experienced, during the useful lifetime of a system. Usually, a designer assumes worst-case conditions with respect to the inlet cooling-water temperature and fouling. However, when operational variables change, such as thermal load and cooling-tower temperature, it is necessary to predict exchanger performance under the new conditions so that the impact on all variables in the process loop can be determined...
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Labels: Design, Heat Exchanger, PHE, Wastewater Treatment
posted by Webworm, 7:07 AM
3 Comments:
Very interesting. My colleague is currently a Graham heat exchanger designer in UK.
However, I noticed Graham is not popular here in Malaysia. Do you think so?
Anyway, congratulations for the "kontera"...
The agent to Graham is one of my friend...they are active in O&G & petrochemical project...
Again Thanks for your assistance.
O ic...so, graham is more towards the oil and gas...
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