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US 10,518,300 B2Granted
Method and means for recovery boiler outage
AssigneeVaro Teollisuuspalvelut Oy
InventorTimo Karjunen
Life of this patent
Estimating the term…
Abstract
A method and means for washing a floor of a recovery boiler, including mixing by mixing devices wash water in which remaining salt on recovery boiler furnace floor dissolves, and where wash water is sucked from a wash water pool on the furnace floor into suction openings of the mixing devices for implementing said mixing.
Claims7
A method of cleaning a recovery boiler, comprising:
- cleaning a recovery boiler during a furnace floor washing stage after a first amount of salt has been removed from the recovery boiler in molten form, said cleaning comprising:
- placing mixing devices on a furnace floor of the recovery boiler, wherein a second amount of salt is located on the furnace floor of the recovery boiler, wherein each mixing device comprises a conduit with a suction opening and a discharge opening, and wherein each mixing device comprises a pressurized air tube configured to eject air into the conduit;
- mixing salt of the second amount of salt with wash water in a wash water pool on the furnace floor, wherein the mixing is performed by ejecting pressurized air through the pressurized air tubes such that wash water is sucked into the suction openings and discharged out of the discharge openings.
Dependencies are inferred from the claim text.