Heavy oil emulsified fuel combustion equipment

Details Heavy oil emulsified fuel combustion equipment Heavy oil emulsified fuel combustion equipment

1996-07-31

1998-10-06

Jones, Larry

Combustion

Process of combustion or burner operation

Feeding flame modifying additive

431 11, 431 12, 431211, 431208, F23J 700

Patent

active

058167900

ABSTRACT:
A heavy oil emulsified fuel combustion furnace is provided which prevents lowering of combustion efficiency due to water content in the fuel as well as prevents elevation of sulfuric acid dew point due to water content in the flue gas of the combustion furnace. In the apparatus a heavy oil emulsified fuel (102) is heated by a heater (110) using a heat pipe etc. and then is separated by a water vaporizer (120) into heavy oil (122) and vapor (121) consisting of steam and a light oil combustible gas. The heavy oil (122) is supplied to a burner port of the combustion furnace, such as a boiler etc. The vapor (121) is condensed by a condenser (140) to produce liquid (141) comprising a mixture of water and light oil. The liquid (141) is separated by an oily water separator (150) into oil (151) and water (152). The oil (151) is used as a fuel for an igniting torch of the combustion furnace 10 and the water (152) is used partially as cooling water (41) for an SO.sub.X removal apparatus (40) and partially as an atomizing steam 9 or a soot blowing steam 8 in the boiler, etc.

REFERENCES:
patent: 4302177 (1981-11-01), Fankhan et al.
patent: 4460328 (1984-07-01), Niederholtmeyer
patent: 4573911 (1986-03-01), Kimmich
patent: 5135386 (1992-08-01), Kellen et al.
patent: 5149260 (1992-09-01), Foust
patent: 5263850 (1993-11-01), Walker
patent: 5271808 (1993-12-01), Shurtleff
patent: 5520165 (1996-05-01), Khinkis et al.

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