Industrial Cleaning is performed periodically at refineries and chemical plants to remove excess dirt and product residue from process equipment in preparation for inspection and to increase equipment efficiency. Dirty equipment can experience reduced efficiency and lifespan, and if neglected, can lead to equipment failures. In heat exchangers, chemicals can drop out of the feedstock and stick to the equipment walls. These chemicals can compound over time and eventually foul the equipment, negatively affecting performance.[1]
Because of this, periodic cleaning of the inside and outside of process equipment is important for its long term health. Industrial cleaning is often performed during turnarounds, when equipment is offline and can be entered safely. Depending on the equipment type, industrial cleaning can be completed at either the plant or an offsite facility designed for effective and responsible cleaning.[1]
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January/February 2018 Inspectioneering Journal
By Kyle Dunn at Dunn Heat Exchangers, Inc.
Cleaning of heat exchangers and other process equipment is typically done with the use of pressurized water (e.g., hydro-blasting). However, in some situations thermal decomposition, a technique that utilizes heat rather than water to break down foulants, might more effective. |
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January/February 2016 Inspectioneering Journal
By Harold Marburger at Dunn Heat Exchangers
Heat exchangers operating in refineries or petrochemical plants must be thoroughly cleaned and inspected throughout their operational lifetime to ensure safe and efficient operations. |
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September/October 2015 Inspectioneering Journal
By Harold Marburger at Dunn Heat Exchangers
This article is Part II of a three-part series that explores the various methods, benefits, challenges and solutions to efficiently and effectively clean heat exchangers, both onsite and offsite. |
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January/February 2015 Inspectioneering Journal
By Harold Marburger at Dunn Heat Exchangers
Whether onsite or offsite, the methods for cleaning shell and tube heat exchangers can vary. Refining and petrochemical operators will agree that high standards must be employed with each method. Choosing the right method can make the difference between smooth operations and unforeseen equipment shutdowns. |
