Blast furnace air heater

Details Blast furnace air heater Blast furnace air heater

1990-10-15

1991-09-03

Yuen, Henry C.

Heating

Processes of heating or heater operation

Of heating a fluid

432 40, 432 54, 432181, 432222, 432179, F24H 700

Patent

active

050449400

ABSTRACT:
An air heating apparatus for air that is to be supplied to a blast furnace. The apparatus includes a number of separate air heater devices connected together in series flow relation so that the total temperature increase is the sum of the heating actions produced in the individual devices. Each device includes a tube-shell heat exchanger and a plurality of burner units oriented around the shell to direct flames against outer surfaces of the tubes.

REFERENCES:
patent: 1619747 (1927-03-01), Morton
patent: 1719453 (1929-07-01), Ryding
patent: 1739973 (1929-12-01), Mambourg
patent: 3082995 (1963-03-01), Krapf
patent: 3122359 (1964-02-01), MacDonald
patent: 3199849 (1965-08-01), Koinis
patent: 3712597 (1973-01-01), Waitkus et al.
patent: 4060913 (1977-12-01), Yoshida et al.
patent: 4139340 (1979-02-01), Bartel
patent: 4177861 (1979-12-01), Costello et al.
patent: 4324545 (1982-04-01), Hubbert
patent: 4944674 (1990-07-01), Wedge et al.

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