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开铁口机是完成打开高炉铁口操作的关键设备。Taphole driller is a key equipment to open the taphole blast furnace.

但是，实际运行中的电除尘系统仍然存在很多问题。In the taphole place. But there are still some problems in the running ESP system.

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应用碳化硅砖后，延长了出铁口及整个炉衬的使用寿命。Since the SiC brick was applied , the life of taphole and lining on the furnace was prolonged.

对攀钢新三号高炉的液压泥炮、开口机的遥控改造进行了总结。The transformation of remote control of hydraulic clay guns and taphole openers were summarized in this paper.

在高炉开孔处都出现了应力集中现象，铁口边缘达到了最大应力。In addition to the stress of the local openings implications, Shell maximum stress occurs in the lower taphole.

建立了新型开铁口机电动钻冲机构的力学模型，计算了它的固有频率和主振型。Mechanical model of the drill carriage with rotation and vibrating hammer for the new type taphole drill is established.

介绍了富氧吹烧铁口的装置、工艺过程及应用情况。The technique of blowing oxygen-enriched air into the taphole to treat the hearth freeze -up accident is introduced in this paper.

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超高功率电弧炉出钢口在使用过程中要经受钢液的冲刷、渣液的侵蚀、氧化和温度的剧烈变化。The taphole of UHP-EAF should stand severe molten steel corrosion, slag erosion, oxidation and temperature change during operation.

攀钢高炉炉前开铁口设备一直使用简易的电动开铁口机，已不适应高炉高强度冶炼和铁口新型炮泥的要求。Pansteel Blast Furnace used simply electric taphole drill for a long time, which cannot apply to higher smelting intensity and the new clay gun.

在工业硅电炉出铁口易氧化部位，使用了碳化硅砖代替普通碳砖以提高该部位的抗氧化性。The normal carbon brick at oxidable part in silicon metal furnace taphole was replaced with SiC brick in order to increase its oxidation resistance.

初步分析了第一次出铁时出铁口“冻结”的原因，通过生产实践总结出了几条防止出铁口“冻结”的措施，。The reason that the metal was freezed in the first taphole was analyzed, and the prevent measure was brought rofward. it got well impact in produce.

控制合适的铁口深度、角度和直线度是铁口维护的关键，因此必须选择合适的开铁口机。采用气动开铁口机是铁口维护的可靠保障。Depth, angle and straight-line rate of taphole can be well controlled by selecting rational taphole drill. Pneumatic taphole drill has obvious advantages in taphole maintenance.

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建立了新型开铁口机电动钻冲机构的力学模型，计算了它的固有频率和主振型。Mechanical model of the drill carriage with rotation and vibrating hammer for the new type taphole drill is established. The natural frequencies and mode shapes of the model are calculated.