Heat Transfer

Carburization inspection robots for radiant tubes inside ethylene cracking furnaces

Tiyawongsakul, T., Rayong Engineering & Plant Service Co. Ltd.

In an olefins plant, the reliability of ethylene cracking furnaces is one of the deciding factors used to indicate whether or not the plant can be operated at its design productivity.

Considerations for revamping shell-and-tube heat exchangers

Garrido, E., Summum Projects

Revamp projects are complex in nature, and demand a great deal of resources for successful completion.

Revamp fired heaters with a common air-preheating system to increase capacity

Ahamad, S., Vallavanatt, R., Bechtel Corp.

In any process plant, fired heaters are generally considered to be one of the most optimally designed pieces of equipment.

Alfa Laval awarded $10.6 MM energy-efficiency order in China

LUND, Sweden — Alfa Laval—a heat transfer, centrifugal separation and fluid handling company—has won an order to supply compact heat exchangers to a refinery in China.

Modified revamp process to reduce energy use in an SDA unit

Kumar, S., Nanoti, S. M., Garg, M. O., CSIR-Indian Institute of Petroleum; Amutha, R., Nandagopalu, N. V. N., Chennai Petroleum Corp. Ltd.

Solvent deasphalting (SDA) is emerging as a low-cost, bottom-of-the-barrel upgrading process to recover valuable oil from short residue. This oil can either be further processed to make lube-oil-based stocks or cracked in secondary processing units.

Alfa Laval to supply heat exchangers to China refinery

LUND, Sweden -- Alfa Laval has won an order to supply compact heat exchangers to a refinery in China. The order has a value of approximately SEK 210 MM. It is booked in the Welded Heat Exchangers unit of the Energy Division, with deliveries scheduled for 2018.

Improve energy efficiency with enhanced bundles in tubular heat exchangers

Müller, A., Kropp, A., Köster, R., BAYERNOIL Raffineriegesellschaft mbH; Fazzini, M., Koch Heat Transfer Co. LP

From 2008 to date, 45 twisted tube heat exchangers and bundles have been installed at BAYERNOIL refineries in different units and services, allowing higher heat recovery and contributing to BAYERNOIL’s energy targets.

Recommended practices for fired process heater instrumentation and control

Schaffer, C., Burns & McDonnell

Fired process heaters are one of the most critical pieces of equipment within many refinery and petrochemical facilities. Proper instrumentation and control of the equipment has direct bearing on the successful operation of the process, as well as on overall facility process safety.

A deeper examination of thermal expansion issues in process equipment and piping

Tharakan, J., Suncor Energy Products

Piping and process equipment that operate at high temperatures experience thermal expansion. If free thermal expansion is restrained, mechanical stresses are created within the component.

IR camera technology provides new perspective on furnace inspection routines

Boccella, M., FLIR Systems, Inc.

A few years ago, managers at a US-based oil refinery called in an expert to inspect their oil furnaces with an infrared (IR) camera.