Fuel lance structure for a uniflow regenerative shaft furnace

Details Fuel lance structure for a uniflow regenerative shaft furnace Fuel lance structure for a uniflow regenerative shaft furnace

1979-09-25

1981-09-15

Camby, John J.

Heating

Shaft type

Having combustion products generated in or fed to shaft

432 14, F27D 108, F27B 1500

Patent

active

042894824

ABSTRACT:
Coking of liquid fuel supplied through a fuel lance in a calcining furnace is prevented by surrounding a fuel tube in the fuel lance with a tubular jacket forming an annular gap between the jacket and the fuel tube for supplying a cooling medium through the lance. The jacket may be additionally provided with insulation which can be protected from damage caused by downwardly traveling bulk material by the additional provision of a protective tube.

REFERENCES:
patent: 1243311 (1917-10-01), Loder
patent: 3771946 (1973-11-01), Hofer et al.

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