Application method of tundish for vacuum ingot casting
A tundish and ingot casting technology, used in foundry equipment, casting melt containers, mechanical cleaning, etc., can solve the problems of short residence time, uneven load bearing of tundish, unreasonable temperature distribution, etc., and achieve uniform load bearing and stable casting. , the effect of uniform temperature
Active Publication Date: 2018-08-10
云南玉溪玉昆钢铁集团有限公司
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Abstract
The invention discloses an application method of a tundish for vacuum ingot casting. The method comprises the following steps of before steel is poured, lowering a blocking bar to block a water nozzle, and lowering a gate to block a steel outlet; pouring steel, and waiting for the situation that the molten steel enters an outer cavity through a steel pouring inlet and an upward flow field of the outer cavity makes slag inclusion float upward; when the molten steel surface rises to the 1/2 height of a steel passage of the outer layer, lifting a gate, opening the steel outlet of the baffle wallof the outer layer, and waiting the molten steel to enter an intermediate cavity through the steel outlet of the baffle wall of the outer layer; controlling the steel pouring rate, and waiting the molten steel surface in the outer cavity and the molten steel in the intermediate cavity to reach the steel passage of the outer layer simultaneously; when the molten steel surface of the intermediate cavity of the tundish reaches the height of 2/3 of a steel passage of an inner layer, lifting a gate of the baffle wall of the inner layer, opening the steel outlet, and lifting a blocking bar device toopen the water nozzle; controlling the steel pouring rate, and waiting the molten steel to enter the water nozzle through an opening; when the molten steel in the inner layer approaches the opening,lowering the blocking bar to block the opening, and waiting the molten steel to enter the water nozzle through the steel outlet of the square baffle wall. The method is beneficial to the floating of the slag inclusion, the overall bearing of the tundish is uniform, and the casting is stable.
Application Domain
Melt-holding vesselsCasting cleaning apparatus
Technology Topic
SlagIngot casting +2
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