Combustion – With apparatus cleaning – purging or scavenging means
Patent
1975-01-28
1976-03-30
Dority, Jr., Carroll B.
Combustion
With apparatus cleaning, purging or scavenging means
137240, F23D 1138
Patent
active
039472280
ABSTRACT:
Waste liquor obtained when pulping wood can be advantageously burned and used for raising steam, while simultaneously chemicals are reclaimed. Certain waste liquors have a noted tendency to cause deposits in valves and piping, which therefore must be intermittently washed by a neutral fluid. This means an interruption of the supply of fuel to the burner, and even if a furnace usually is provided with several burners the interruption causes a disturbance of the steam production, beside necessitating a considerable amount of labor.
The invention proposes a means for supplying liquid fuel and washing fluid simultaneously to each burner by two parallel conduits in such a manner that a simple switch-over will result in the (occasional past) supply conduit and the major part of the burner will be washed, while liquid fuel is supplied through a conduit having recently been washed.
REFERENCES:
patent: 709302 (1902-09-01), Case
patent: 3674205 (1972-07-01), Kock
patent: 3766942 (1973-10-01), Delatronchette et al.
Dority Jr. Carroll B.
Gotaverken Angteknik AB
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