Reverse V-shaped granule magnesium molten iron desulfuring spray gun

Abstract

The invention belongs to the field of ferrous metallurgy, namely the field of external desulphurization treatment to molten iron in a ladle, and particularly relates to an inverse V shaped granular magnesium molten iron desulphurization spray gun. The spray gun comprises a gun body; the gun body comprises a frame (1) matched with a refractory material (2), a passage arranged in the gun body (3), a material flow distributor (4), and a bent pipe (5); a feeding port of the material flow distributor (4) is matched and connected with a discharge port of the passage (3); the discharge port of the material flow distributor (4) is matched and connected with the feeding port of the bent pipe (5); one end of the bent pipe (5) is provided with a nozzle (6); the outside of the nozzle (6) is provided with a refractory bushing (7); the discharge port of the material flow distributor (4) is detachably matched and connected with the feeding port of the bent pipe (5); and the end of the bent pipe (5) is detachably matched and connected with the nozzle (6). The spray gun has high feeding strength and short processing period, can effectively ensure the reliability of pneumatic conveying of a magnesium material, and guarantee the process requirement.

Description

Technical field [0001] The invention belongs to the field of ferrous metallurgy, that is, the field of desulfurization treatment of molten iron outside the furnace in the molten iron ladle, and particularly relates to an inverted V-shaped granular magnesium molten iron desulfurization spray gun. Background technique [0002] The known spray gun structure that uses magnesium for hot metal desulfurization has either a vaporization chamber or no vaporization chamber at the exit of the submerged spray gun channel, but uses powdered magnesium and passivating agents (lime, calcium carbide, dolomite, etc.) )mixture. The above spray guns all have some inherent disadvantages, such as high material consumption, low desulfurization agent absorption rate, complicated mechanical equipment and spray gun devices and heavy benzene. As a result, the process is complicated and the desulfurization cost is high. The spray gun with vaporization chamber successfully solved the problem of desulfurizat...

AI Technical Summary

Problems solved by technology

Extended processing time reduces gun life and increases maintenance labor

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