Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With regeneration – reclamation – reuse – recycling or...
Reexamination Certificate
2011-08-02
2011-08-02
Daniels, Matthew J (Department: 1741)
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
With regeneration, reclamation, reuse, recycling or...
C162S029000, C162S030100, C162S030110, C122S006500
Reexamination Certificate
active
07988820
ABSTRACT:
An apparatus for cleaning and cooling a liquor nozzle, the nozzle including at least a liquor tube for feeding liquor and chemicals into a furnace of a recovery boiler. The apparatus includes an outer casing tube, which defines a space whereto conduits are provided for introducing water and steam to generate an emulsion or a conduit for introducing emulsion generated by the water and steam and the surface of which is provided with openings, such as pores or holes, for discharging the emulsion formed by water and steam through the outer casing.
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European Search Report completed Dec. 5, 2008.
Du Jardin Sirpa
Saviharju Kari
Tanttu Markku
Andritz Oy
Calandra Anthony J
Daniels Matthew J
Nixon & Vanderhye P.C.
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