Retrofits on chamber furnaces by means of advanced plug & play recuperator burners

Retrofit measures on thermal processing plants to increase their efficiency have been quite popular recently. Depending on the age and condition of the plant, they are often also simply necessary. Besides reducing natural gas consumption, the raised quality standards must be fulfilled, and the safety issues of the relevant standards and regulations must be observed. As cost and time frames are usually tight in such projects, the retrofit measures often have very clear limits. The following paper lists successful retrofit measures on protective gas chamber furnaces with indirect heating, where the heating technology has been completely replaced and the furnaces’ efficiency considerably increased in very little time.