Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Method for preheating stirring paddle by using Rhine process
The invention relates to a method for preheating a stirring paddle by a Rhine method. The method comprises the following steps of: baking a new online stirring paddle above the liquid level of fully-wrapped molten iron by 100-300mm for 2-3 minutes; immersing the lower part of the blade of the stirring paddle into the molten iron by 200-400mm, and rotating the stirring paddle at the speed of not more than 30 revolutions per minute at the same time; lifting the stirring paddle for 1-2 minutes; then downward immersing is conducted by 200-400 mm, and the operation process is repeated; and the whole stirring paddle is preheated until the shaft part above the paddle blade of the stirring paddle is immersed into the molten iron by 300-500mm. The method has the beneficial effects that (1) the stirring paddle refractory material is well sintered, and the strength of the refractory material is improved; and the service life of the stirring paddle can be prolonged by 30-50 times. 2) compared with the conventional stirring paddle preheating, the production time can be saved by 8-10 minutes, and the production efficiency is improved; and 3) the method can be used for preheating the stirring paddle and also can be used for baking the repaired stirring paddle.
一种莱茵法搅拌桨预热方法，新上线的搅拌桨在满包铁水液面上方100mm‑300mm烘烤2‑3min；将搅拌桨桨叶下部浸入铁水200‑400mm，同时搅拌桨以不大于30转/分的速度旋转；将搅拌桨提起，1‑2分钟；再向下浸入200‑400mm，重复上述操作过程；直到搅拌桨桨叶上方的轴部浸入铁水300‑500mm，整个搅拌桨预热完成。本发明的有益效果是：1)搅拌桨耐材得到很好的烧结，耐材强度提高。可以提高搅拌桨寿命30‑50次。2)本发明较常规的搅拌桨预热可节省生产时间8‑10分钟，提高生产效率。3)本发明的方法可以用来搅拌桨预热也可以用作搅拌桨修补后的烘烤。
Method for preheating stirring paddle by using Rhine process
The invention relates to a method for preheating a stirring paddle by a Rhine method. The method comprises the following steps of: baking a new online stirring paddle above the liquid level of fully-wrapped molten iron by 100-300mm for 2-3 minutes; immersing the lower part of the blade of the stirring paddle into the molten iron by 200-400mm, and rotating the stirring paddle at the speed of not more than 30 revolutions per minute at the same time; lifting the stirring paddle for 1-2 minutes; then downward immersing is conducted by 200-400 mm, and the operation process is repeated; and the whole stirring paddle is preheated until the shaft part above the paddle blade of the stirring paddle is immersed into the molten iron by 300-500mm. The method has the beneficial effects that (1) the stirring paddle refractory material is well sintered, and the strength of the refractory material is improved; and the service life of the stirring paddle can be prolonged by 30-50 times. 2) compared with the conventional stirring paddle preheating, the production time can be saved by 8-10 minutes, and the production efficiency is improved; and 3) the method can be used for preheating the stirring paddle and also can be used for baking the repaired stirring paddle.
一种莱茵法搅拌桨预热方法，新上线的搅拌桨在满包铁水液面上方100mm‑300mm烘烤2‑3min；将搅拌桨桨叶下部浸入铁水200‑400mm，同时搅拌桨以不大于30转/分的速度旋转；将搅拌桨提起，1‑2分钟；再向下浸入200‑400mm，重复上述操作过程；直到搅拌桨桨叶上方的轴部浸入铁水300‑500mm，整个搅拌桨预热完成。本发明的有益效果是：1)搅拌桨耐材得到很好的烧结，耐材强度提高。可以提高搅拌桨寿命30‑50次。2)本发明较常规的搅拌桨预热可节省生产时间8‑10分钟，提高生产效率。3)本发明的方法可以用来搅拌桨预热也可以用作搅拌桨修补后的烘烤。
Method for preheating stirring paddle by using Rhine process
一种莱茵法搅拌桨预热方法
SONG JISUO (Autor:in) / SUN QUN (Autor:in) / WANG YIMING (Autor:in) / HE HAILONG (Autor:in) / WU YUEPENG (Autor:in) / CAO LIN (Autor:in) / LI WEIDONG (Autor:in)
08.04.2022
Patent
Elektronische Ressource
Chinesisch
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