Method for controlling high-phosphorus and high-silicon double-slag model of 150t converter
The invention discloses a 150t converter high-phosphorus and high-silicon double-slag model control method which comprises the following steps: determining a converter double-slag one-pouring control target according to theoretical calculation and actual production regression analysis; the slag-rema...
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| creator | HAO ZHENYU WANG ZHIJUN WENG JU MA XIAOGUANG WANG AILAN ZHANG ZHAO YANG XIAOLONG WANG WENYI TIAN YE HAN CHUNPENG DIAO WANGCAI LIANG ZHIGANG LIU NAN ZHANG YIN ZHANG HUAIJUN |
| description | The invention discloses a 150t converter high-phosphorus and high-silicon double-slag model control method which comprises the following steps: determining a converter double-slag one-pouring control target according to theoretical calculation and actual production regression analysis; the slag-remaining and double-slag operation is adopted, favorable slag melting conditions are created for achieving the one-pouring aim, high-alkalinity and high-TFe slag is provided for double-slag smelting, and efficient dephosphorization in the initial stage of smelting is guaranteed; according to the high-phosphorus and high-silicon molten iron conditions and double-slag process operation characteristics, a double-slag operation control model in the converter production process is established by combining a temperature control system, oxygen supply flow control, lance position control and bottom blowing strength control, and is applied to production practice, and double-slag process efficient dephosphorization control unde |
| format | Patent |
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WANG ZHIJUN ; WENG JU ; MA XIAOGUANG ; WANG AILAN ; ZHANG ZHAO ; YANG XIAOLONG ; WANG WENYI ; TIAN YE ; HAN CHUNPENG ; DIAO WANGCAI ; LIANG ZHIGANG ; LIU NAN ; ZHANG YIN ; ZHANG HUAIJUN</creatorcontrib><description>The invention discloses a 150t converter high-phosphorus and high-silicon double-slag model control method which comprises the following steps: determining a converter double-slag one-pouring control target according to theoretical calculation and actual production regression analysis; the slag-remaining and double-slag operation is adopted, favorable slag melting conditions are created for achieving the one-pouring aim, high-alkalinity and high-TFe slag is provided for double-slag smelting, and efficient dephosphorization in the initial stage of smelting is guaranteed; according to the high-phosphorus and high-silicon molten iron conditions and double-slag process operation characteristics, a double-slag operation control model in the converter production process is established by combining a temperature control system, oxygen supply flow control, lance position control and bottom blowing strength control, and is applied to production practice, and double-slag process efficient dephosphorization control unde</description><language>chi ; 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the slag-remaining and double-slag operation is adopted, favorable slag melting conditions are created for achieving the one-pouring aim, high-alkalinity and high-TFe slag is provided for double-slag smelting, and efficient dephosphorization in the initial stage of smelting is guaranteed; according to the high-phosphorus and high-silicon molten iron conditions and double-slag process operation characteristics, a double-slag operation control model in the converter production process is established by combining a temperature control system, oxygen supply flow control, lance position control and bottom blowing strength control, and is applied to production practice, and double-slag process efficient dephosphorization control unde</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS |
| title | Method for controlling high-phosphorus and high-silicon double-slag model of 150t converter |
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