I D
× COMMENTARYCOVER STORYIN THE NEWSNEWSFRONTSCHEMENTATOR + Show More
Chementator Briefs
Ultrathin membrane Researchers led by professors Hideto Matsuyama and Tomohisa…
BUSINESS NEWSTECHNICAL & PRACTICALFEATURE REPORTFACTS AT YOUR FINGERTIPSTECHNOLOGY PROFILEEQUIPMENT & SERVICESFOCUS
Focus on Sensors
Wireless transmitters save on level sensor installation Reduce the cost…
NEW PRODUCTS + Show More SHOW PREVIEWS

Comment PDF Heat Transfer

Minimizing Flame Impingements In Fired Heaters

By Kandasamy Vinayagam, Heaters Revamping & Troubleshooting, Inc. |

    Fired heaters are used considerably in the chemical process industries (CPI), for heating crude oil in the petroleum refining and petrochemical sectors. Unfortunately, fired heaters are often taken for granted and neglected more than other equipment in terms of operation and maintenance. Proper care and attention to these heaters can prolong run lengths and increase reliability and safe operation. A common reaction to the need for more heat duty is to pump more fuel into the burners of a fired heater, without cross checking its heat-release design limits. This can cause long-term problems like flame impingement, tube bowing, sagging, leakage, rupture, damage and even explosion. Flame impingement is when a flame actually touches or engulfs the tubes or their supports. This condition is one of the major problems encountered in hard-firing heaters, and it can occur due to inadequate design, poor operation or poor maintenance. When flame impingement occurs for even a short duration, damage is done. Consequences can include failures in tubes that carry process fluids, tube supports, refractory, burners, casing and structural integrity. This article uses a horizontal-tube, up-fired, box-type, natural-draft heater with multiple…
Related Content

Chemical Engineering publishes FREE eletters that bring our original content to our readers in an easily accessible email format about once a week.
Subscribe Now
Improving chemical production processes with IIoT and AI technologies
New filtration technology for highly corrosive media
PTA production: Lowering OPEX without compromising on quality
Sure that zero means zero in your zero-liquid discharge (ZLD) process?
How separation processes profit from Industrial Internet of Things (IIoT) solutions

View More