Heat Transfer

Advantages of using TDL analyzers for safety monitoring in combustion within HPI applications

Jenkins, R., Servomex

From refining to chemical production processes, heaters play an essential role in hydrocarbon processing applications.

Refinery revamp opportunities with welded plate heat exchangers

Kauders, P., CDE Projects Ltd.; Broad, R., GESMEX Exchangers GmbH

The plate-and-shell (P&S) heat exchanger has three significant advantages over the shell-and-tube (S&T) type traditionally used in refinery processes.

Best options for a reboiler revamp

Pramanik, R., Srinath, N. R., Fluor Daniel India

It is always a challenge to reconfigure and resize existing reboilers, especially vertical thermosiphon ones, for the revised design and operating conditions of a brownfield project, since hydraulics external to the reboiler must match the reboiler hydraulics under the revamped conditions to ensure trouble-free operation.

An evolving approach to digitalization

Wyatt, T., Fleissman, R., Emerson Automation Solutions

Much has been written in recent years about the need for refineries to embrace the Industrial Internet of Things (IIoT).

Adapting and prospering in the energy transition

Hasegawa, K., Shire, T., Yokogawa Corp. of America

The energy transition is gathering momentum as pressure from society leads policy makers and investors to demand faster and deeper cuts to carbon dioxide (CO2) emissions from all industrial sectors.

Air-cooled steam surface condenser case study: Retrofit vs. revamp

Pramanik, R., Srinath, N. R., Fluor Daniel India Pvt. Ltd.

It is difficult to revamp an existing air-cooled steam surface condenser (ACSSC) for higher throughput, since most ACSSC suppliers have changed to a single-tube row design and have discontinued their multi-tube row design.

Set refinery profitability goals

Johnson, A., Johnson, E., Graham Corp.; Lieberman, N., Process Improvement Engineering

While the ultimate purpose of operating a refinery is to produce gasoline, diesel or asphalt, key objectives include improving return on investment (ROI), net profitability and cash flow.

Welded plate heat exchangers cut refinery process costs—Part 2

Broad, R., GESMEX Exchangers GmbH; Kauders, P., CDE Projects Ltd.

Plate-and-frame (P&F) heat exchangers were first manufactured 100 yr ago for use in the dairy industry.

Calculate shell-and-tube exchanger heat input for PSV fire case

Su, S., ProPEng Inc.

According to API Recommended Practice (RP) 521, 4.4.13.1, “Fire exposure on equipment can result in overpressure due to vapor generation and/or fluid expansion.

Optimize transient plant operations with castable-free fired heater

Fired heaters are designed with castable refractory in various sections of the heater.