Method for manufacturing stopper brick and stopper brick
A technology of plug bricks and production methods, which is applied in the field of plug bricks, can solve the problems of molten steel not being released, re-melting, personal accidents, accidents, etc., and achieves the effect of a simple overall structure
Inactive Publication Date: 2013-04-03
邢志敏
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Problems solved by technology
The shortcomings of existing products, although there are several other units producing many are easy to break, or are not resistant to washing, resulting in accidents, the most likely problem is that the molten steel cannot be released, and it is returned to the furnace for the second melting, and even personal accidents are caused.
Method used
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[0011] Such as figure 1 As shown, as the best embodiment of a plug brick manufacturing method and plug brick according to the present invention, it includes 70% by weight of high-alumina cooked aggregate, 25% by weight of high-alumina cooked powder and 5% of binder.
[0012] The plug brick is made by firing at 350°C for 1 hour.
[0013] A plug brick is obtained by the method for manufacturing the plug brick, and the plug brick includes a brick body 1 , and a stepped convex edge 2 is provided at the end of the brick body 1 .
[0014] The height of the convex edge 2 is 10cm.
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The invention belongs to the field of refractory materials and specifically relates to a method for manufacturing a stopper brick and a stopper brick, wherein the stopper brick is prepared from 70wt% of high-alumina prepared aggregate, 25wt% of high-alumina prepared powder and 5% of binder. The stopper brick comprises a brick body; and a stepped convex edge is formed at each end portion of the brick body. The stopper brick is simple in integrated structure, free of breakage and resistant to scouring, and meets the requirement for refractoriness.
Description
technical field [0001] The invention belongs to the field of refractory materials, and in particular relates to a plug brick. Background technique [0002] The plug brick is located at the bottom of the stopper rod and is a refractory brick closely matched with the nozzle brick. When not pouring, it blocks the nozzle to ensure no steel leakage. When pouring, raise the stopper rod so that there is a gap between the plug brick and the nozzle brick, and the molten steel flows out from the nozzle. The disadvantages of existing products, although there are several other units producing many are easy to break, or are not resistant to washing, causing accidents, the most likely occurrence is that the molten steel cannot be discharged, and it is returned to the furnace for a second melting, and even personal accidents are caused. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a non-fracturing and wash-resistant plug br...
Claims
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Inventor 邢志敏
Owner 邢志敏