Furnace and high temperature process engineers face a continued problem of explosion risks. Conventionally, plants are equipped with hydrogen analysers. Typically hydrogen sensors are placed in the down stream in the process. This has its own inherent problems: slow response time, high dust loading and high temperature. In addition, most hydrogen analysers only cover part of the process duct area. Other problems are cross-sensitivity to other gases in the process as well as high maintenance due to extractive sampling techniques.
The Codel 1050 cross duct water vapour analyser uses conventional infrared technology as a measurement technique. The level of H2O in the process is monitored before the process reactions produce H2 and pose an explosion risk. The major advantage is faster detection at a stage where the gaseous hydrogen state does not yet exist.
The analyser uses an in-situ cross duct technique, eliminating the need for high maintenance extractive systems. The additional advantage of cross duct technology is that the response time is immediate and the readings are more reflective due to the path of the sensing beam.
The instrument can be used to provide an additional function for gas and dust emissions normalisation measurements. Inspection intervals are six months, thanks to the low maintenance requirements of the 1050.
For more information contact Stuart Truebody, Environmental Process Analytics, 012 661 6656, [email protected]
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