Slant-insert type molten iron pretreatment lance and manufacturing method thereof
A technology of molten iron pretreatment and manufacturing method, which is applied in the direction of manufacturing tools, spraying devices, casting equipment, etc., can solve the problems that the spray gun has not been effectively improved, the service life of the spray gun is affected, and the spray gun is bent and damaged, so as to increase the working distance and stir Areas, Enhanced Blending Effects, Effects that Increase Strength and Stiffness
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[0019] The present invention will be further described in detail below with reference to the drawings and specific embodiments.
[0020] Such as figure 1 As shown, the first embodiment of the oblique insertion type hot metal pretreatment spray gun of the present invention includes a gun core steel tube 1, a refractory material gun lining 2 and a number of anchors. One end of the gun core steel tube 1 is bent to form a gun head 3. The refractory material The gun liner 2 covers the outer surface of the gun core steel tube 1, and the anchor is fixed on the outer surface of the gun core steel tube 1 and is located in the refractory gun liner 2. The outer surface of the gun core steel pipe 1 is provided with an axial stiffener 6 on both sides of the axial section in the bending direction of the gun head 3, and the axial stiffener 6 is also covered on the refractory gun lining Within 2. As a preferred embodiment of the present invention, the axial reinforcing rib 6 extends from the upper
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