Hydrogen can be produced from hydrocarbons through steam reforming. This process requires accurate temperature monitoring to maximise the efficiency of the reaction, and to avoid damage to the reformer tubes.
Reforming takes place in tubes packed with catalyst, arranged vertically in heated steam reformers. Excess temperatures can damage the tubes, shortening their life, while underheating reduces the efficiency of the process. However, interference from steam, carbon dioxide (CO2) and other products can significantly affect the accuracy of temperature measurements.
By obtaining accurate, reliable temperature measurements of the reformer tubes or furnace, it is possible to control the process temperature at the optimum level. This offers considerable energy efficiency savings, and helps prolong the lifespan of the reformer tube.
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INDUSTRY GUIDE
STEAM REFORMER TUBE WALL TEMPERATURE MEASUREMENT GUIDE
Steam reforming is widely used in the hydrocarbon processing industries for the production of important gases, particularly hydrogen, methanol and ammonia. The steam reforming process uses a huge furnace which heats a large number of tubes containing a catalyst. When steam and natural gas are passed through the tubes, over the catalyst, a catalytic reaction occurs that produces the synthetic gas (syngas) made up of hydrogen and carbon monoxide. This syngas is used to produce the desired product.
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