Pressure balance control method and device for blast furnace coal injection system
A technology of balance control and blast furnace coal injection, applied in blast furnaces, blast furnace details, furnaces, etc., can solve problems such as large pressure difference in injection tanks, achieve low cost, eliminate periodic pulsation injection, and simple processes.
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[0025] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are only for illustrating the present invention, but not for limiting the protection scope of the present invention.
[0026] As shown in the figure, it is a structural schematic diagram of an embodiment of a pressure balance control device of a blast furnace coal injection system according to the present invention. A pressure balance control device for a blast furnace coal injection system in this embodiment includes a blowing tank A 1 and a blowing tank B 9 connected in sequence through a connecting pipe 5, and a first shut-off valve 3, a first shut-off valve 3, and a first The metal hose 4 , the second metal hose 6 and the second cut-off valve 7 ; the A blow tank 1 and the B blow tank 9 are respectively provided with a first pressure gauge 2 and a second pressure gauge 8 .
[0027]...
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