High coke oven gas mixing air supply device of blast furnace hot blast system
A technology for coke oven gas and blast furnace gas, which is applied to blast furnaces, blast furnace details, blast furnace parts, etc., can solve the problems of unstable pressure, increased staff, and increased production costs, and achieves convenient installation and installation, low economic costs, and maintenance. low cost effect
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[0020] With reference to the drawings, the high coke oven gas mixed air supply device of the blast furnace hot air system includes a blast furnace gas transmission main pipe 1, a coke oven gas transmission pipe 8, an ejector 7, etc., the blast furnace gas transmission main pipe 1 passes an electric blast furnace gas flow control valve 2 is connected to the downstream mixed gas conveying main pipe 12, a bypass pipe 3 connects the blast furnace gas conveying main pipe 1 and the mixed gas conveying main pipe 12, and the bypass pipe 3 is used for mixing blast furnace gas and coke oven gas. The diameter of the bypass pipe 3 is smaller than the diameter of the blast furnace gas delivery main pipe 1. The bypass pipe 3 is composed of a blast furnace gas branch pipe 1a, an ejector 7 and a mixed gas branch pipe 12a. The blast furnace gas branch pipe 1a is connected to the blast furnace gas delivery main pipe 1, and the blast furnace gas branch pipe 1a is equipped with a flow meter 13a to ...
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