CN202164320U - 一种转炉炼钢防止蘑菇头堵塞的装置 - Google Patents
一种转炉炼钢防止蘑菇头堵塞的装置 Download PDFInfo
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CN2011202080271U CN202164320U (zh) | 2011-06-20 | 2011-06-20 | 一种转炉炼钢防止蘑菇头堵塞的装置 |
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CN2011202080271U CN202164320U (zh) | 2011-06-20 | 2011-06-20 | 一种转炉炼钢防止蘑菇头堵塞的装置 |
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CN111876550A (zh) * | 2020-06-29 | 2020-11-03 | 武汉钢铁有限公司 | 一种顶底复吹转炉的炉底供气控制方法及装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111876550A (zh) * | 2020-06-29 | 2020-11-03 | 武汉钢铁有限公司 | 一种顶底复吹转炉的炉底供气控制方法及装置 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: ANSHAN HUAWEI STEEL MAKING EQUIPMENT CO., LTD. Free format text: FORMER OWNER: ANSHAN HUAWEI METALLURGY OXYGEN EQUIPMENT CO., LTD. Effective date: 20150729 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150729 Address after: 114000 No. 91, 2-9 prosperous street, Tiexi District, Liaoning, Anshan Patentee after: Anshan Huawei steel making equipment Co., Ltd. Address before: 114015 No. 312 Jiefang West Road, Tiexi District, Liaoning, Anshan Patentee before: Anshan Huawei Metallurgy Oxygen Equipment Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20190620 |
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CF01 | Termination of patent right due to non-payment of annual fee |