Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Flow guide pipe for vacuum ingot casting and preparation method of flow guide pipe
The invention relates to the technical field of smelting equipment, and provides a flow guide pipe for vacuum ingot casting and a preparation method thereof.The flow guide pipe comprises a shell and a flow guide pipe brick which are sequentially arranged from outside to inside, the flow guide pipe brick comprises Al2O3 and ZrO2, the mass percentage content of Al2O3 is larger than or equal to 60%, the mass percentage content of ZrO2 is larger than or equal to 7%, and the length of the flow guide pipe ranges from 500 mm to 1300 mm. By shortening the length of the flow guide pipe, the retention time of molten steel in the flow guide pipe is shortened, scouring of the molten steel to the flow guide pipe brick is reduced, the mass percentage content of Al2O3 in the flow guide pipe brick is controlled to be larger than or equal to 60%, so that the strength of the flow guide pipe brick reaches the strength for resisting scouring of the molten steel, and the mass percentage content of ZrO2 is controlled to be larger than or equal to 7%. The flow guide pipe brick has stability at high temperature, so that the flow guide pipe has anti-scouring performance at high temperature; the two aspects are matched to well solve the problem that the lower flow guide pipe brick is seriously scoured.
本发明涉及冶炼设备技术领域，提供了一种真空铸锭用导流管及其制备方法，包括由外到内依次设置的外壳和导流管砖，所述导流管砖的组成成分中包括：Al2O3和ZrO2，且Al2O3的质量百分含量≥60％、ZrO2的质量百分含量≥7％，所述导流管的长度为500‑1300mm。本发明既通过缩短导流管的长度，缩短了钢水在导流管中的停留时间，降低钢水对导流管砖的冲刷，又通过控制导流管砖中Al2O3的质量百分含量≥60％，使导流管砖的强度达到抵抗钢水冲刷的强度，又通过控制ZrO2的质量百分含量≥7％，使导流管砖在高温下具备稳定性，使导流管具备在高温下抗冲刷的性能；两方面配合很好地解决了下部导流管砖冲刷严重的问题。
Flow guide pipe for vacuum ingot casting and preparation method of flow guide pipe
The invention relates to the technical field of smelting equipment, and provides a flow guide pipe for vacuum ingot casting and a preparation method thereof.The flow guide pipe comprises a shell and a flow guide pipe brick which are sequentially arranged from outside to inside, the flow guide pipe brick comprises Al2O3 and ZrO2, the mass percentage content of Al2O3 is larger than or equal to 60%, the mass percentage content of ZrO2 is larger than or equal to 7%, and the length of the flow guide pipe ranges from 500 mm to 1300 mm. By shortening the length of the flow guide pipe, the retention time of molten steel in the flow guide pipe is shortened, scouring of the molten steel to the flow guide pipe brick is reduced, the mass percentage content of Al2O3 in the flow guide pipe brick is controlled to be larger than or equal to 60%, so that the strength of the flow guide pipe brick reaches the strength for resisting scouring of the molten steel, and the mass percentage content of ZrO2 is controlled to be larger than or equal to 7%. The flow guide pipe brick has stability at high temperature, so that the flow guide pipe has anti-scouring performance at high temperature; the two aspects are matched to well solve the problem that the lower flow guide pipe brick is seriously scoured.
本发明涉及冶炼设备技术领域，提供了一种真空铸锭用导流管及其制备方法，包括由外到内依次设置的外壳和导流管砖，所述导流管砖的组成成分中包括：Al2O3和ZrO2，且Al2O3的质量百分含量≥60％、ZrO2的质量百分含量≥7％，所述导流管的长度为500‑1300mm。本发明既通过缩短导流管的长度，缩短了钢水在导流管中的停留时间，降低钢水对导流管砖的冲刷，又通过控制导流管砖中Al2O3的质量百分含量≥60％，使导流管砖的强度达到抵抗钢水冲刷的强度，又通过控制ZrO2的质量百分含量≥7％，使导流管砖在高温下具备稳定性，使导流管具备在高温下抗冲刷的性能；两方面配合很好地解决了下部导流管砖冲刷严重的问题。
Flow guide pipe for vacuum ingot casting and preparation method of flow guide pipe
一种真空铸锭用导流管及其制备方法
BA JUNTAO (Autor:in) / SONG HUI (Autor:in) / WANG JIANFENG (Autor:in) / WANG SHAOBO (Autor:in) / ZHANG SHAOHUA (Autor:in)
07.11.2023
Patent
Elektronische Ressource
Chinesisch
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