Valmet approach to Field Service drives customer satisfaction
Successful Recovery Boiler tuning at a North American specialty paper mill
“Very knowledgeable and took time to explain the recommended changes. Our team learned a lot and enjoyed having him here.”
Recovery Boiler Superintendent, Specialty Paper Mill in North America
Summary
Location
North America
Challenges
Recovery boiler was operating with little to no bed, exposing the floor tubes and increasing the wear rate of floor tubes
Excessive black liquor was present on the boiler walls, increasing the wear rate of the wall tubes
Personnel changes in operations and maintenance roles created an increased demand for training
Solution
Valmet delivered a comprehensive Field Service package featuring:
Boiler tuning services
Boiler and furnace camera services
Control logic recommendations
Liquor nozzle recommendations
Technical expertise
Onsite training
Results
Adjusted operational parameters (including liquor temperature, liquor gun nozzles, liquor gun angle and combustion air to build a manageable char bed, reduce suspension burning and significantly reduce liquor/char/smelt on the walls), while maintaining emissions
Enabled operators to properly control air flow and minimize suspension burning
Improved spray pattern with alternative liquor nozzles
Keywords
Field Service, Recovery boiler, North America, recovery boiler tuning
