Water cooling system for a shaft type furnace

Details Water cooling system for a shaft type furnace Water cooling system for a shaft type furnace

1975-01-22

1976-12-07

Davis, Jr., Albert W.

Heat exchange

With alarm, indicator, signal, register, recorder, test or...

Remotely controlled inspection means

165107, 165137, 266190, 432233, F28F 2700

Patent

active

039956873

ABSTRACT:
In a closed circuit system for circulating cooling water to various parts of a shaft type furnace, particularly a blast furnace, the closed circuit includes a water cooling device and two separate feed lines disposed in parallel and each arranged to cool different parts of the furnace. Two tanks are connected to the closed circuit, one located above and the other below the circuit. An electric pump circulates the cooling water during normal operation. If a power failure occurs, the electric pump is shut down and one feed line is automatically cut out of the closed circuit and receives flow from the upper tank and discharges it into the lower tank. The other feed line continues to receive the cooling water circulated through the closed circuit including the cooling device by an internal combustion driven pump which is started up when the power failure occurs.

REFERENCES:
patent: 3059913 (1962-10-01), Sands
patent: 3236297 (1966-02-01), Costes

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