Method of controlling the temperature of a partial oxidation bur

Details Method of controlling the temperature of a partial oxidation bur Method of controlling the temperature of a partial oxidation bur

1986-04-07

1987-05-19

Kratz, Peter

Gas: heating and illuminating

Processes

Fuel mixtures

48215, 122 66, 165921, 239 13, 431160, C10J 346

Patent

active

046664637

ABSTRACT:
The temperature of a burner in the reaction zone of a partial oxidation gas generator is controlled so that there is substantially no condensation of H.sub.2 O from the hot raw product gas on the surface of the burner. Burner corrosion is thereby reduced. In the method, burner coolant is introduced into the burner at a pressure greater than that in the reaction zone and at a temperature in the range of about 5.degree. to 50.degree. F. higher than the dew point of the raw product gas contacting the burner in the reaction zone. The heated water coolant leaving the burner flows to a pressurized receiving vessel and its temperature is reduced by expansion into a feed vessel. Saturated steam is produced from a portion of the flashed water and is separated in the feed vessel for use as a heat source. Steam condensate is thereby produced and recycled to the feed vessel as make-up. The cooled liquid water coolant is then pumped into the inlet to the burner at a higher pressure than that in the feed vessel. This prevents raw product gas from leaking out of the gas generator by way of any break in the burner cooling water system. In another embodiment, the temperature of the heated water coolant leaving the burner is reduced by direct heat exchange with cooler make-up water.

REFERENCES:
patent: 2838105 (1908-06-01), Eastman et al.
patent: 3255966 (1966-06-01), Hoffert et al.
patent: 3874592 (1975-04-01), Buschmann et al.
patent: 4318366 (1982-03-01), Tompkins
patent: 4443230 (1984-04-01), Stellaccio

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