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02/2020
...) and consumption of oxidizing gas (in terms of oxygen) of 12-30 nm/t of molten ferrosilicon.EFFECT: invention allows to reduce content of aluminum, calcium and carbon in alloy without considerable energy costs for melt refining... 
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS | METALLURGY | PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL | ALLOYS | CHEMISTRY | TREATMENT OF ALLOYS OR NON-FERROUS METALS | PRETREATMENT OF RAW MATERIALS | METALLURGY OF IRON | FERROUS OR NON-FERROUS ALLOYS | PRODUCTION AND REFINING OF METALS
Patent
11/2019
The invention discloses a pressing-in method spheroidizing molten iron rod soaking assembly comprising a core rod, a soaking cage fixedly connected to the lower end of the core rod and a sleeve... 
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS | METALLURGY | PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL | ALLOYS | CHEMISTRY | TREATMENT OF ALLOYS OR NON-FERROUS METALS | METALLURGY OF IRON | FERROUS OR NON-FERROUS ALLOYS
Patent
06/2020
A sulfur additive is added to molten steel. At that time, the yield of sulfur in the molten steel is stabilized and nozzle blockage at the time of continuous casting due to impurities is prevented... 
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS | METALLURGY | PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL | ALLOYS | CHEMISTRY | TREATMENT OF ALLOYS OR NON-FERROUS METALS | METALLURGY OF IRON | FERROUS OR NON-FERROUS ALLOYS
Patent
02/2019
The invention discloses a titanium alloying method of molten steel. The titanium alloying method comprises the following steps that firstly, a raw material... 
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS | METALLURGY | ALLOYS | PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL | CHEMISTRY | TREATMENT OF ALLOYS OR NON-FERROUS METALS | FERROUS OR NON-FERROUS ALLOYS | METALLURGY OF IRON
Patent
11/2018
The utility model provides a novel molten iron spheroidising spray gun, including the body of a gun, reacting chamber and granule magnesium conveyer pipe... 
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS | METALLURGY | ALLOYS | PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL | CHEMISTRY | TREATMENT OF ALLOYS OR NON-FERROUS METALS | FERROUS OR NON-FERROUS ALLOYS | METALLURGY OF IRON
Patent
12/2019
The invention relates to the technical field of vermicular graphite cast iron, in particular to a pretreatment agent and a pretreatment method for molten vermicular graphite cast iron... 
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS | METALLURGY | PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL | ALLOYS | CHEMISTRY | TREATMENT OF ALLOYS OR NON-FERROUS METALS | METALLURGY OF IRON | FERROUS OR NON-FERROUS ALLOYS
Patent
11/2019
The invention relates to a molten iron dephosphorization device and dephosphorization method for smelting stainless steel, belongs to the technical field of ferrous metallurgy, and solves... 
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS | METALLURGY | PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL | ALLOYS | CHEMISTRY | TREATMENT OF ALLOYS OR NON-FERROUS METALS | METALLURGY OF IRON | FERROUS OR NON-FERROUS ALLOYS
Patent
by LI BING
03/2019
The invention discloses a molten iron long-acting nucleating agent. The molten iron long-acting nucleating agent comprises, by weight part, 3 to 5 parts of graphitized petroleum coke, 4 to 6 parts ofsilicon carbide and 0.5... 
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS | METALLURGY | ALLOYS | PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL | CHEMISTRY | TREATMENT OF ALLOYS OR NON-FERROUS METALS | FERROUS OR NON-FERROUS ALLOYS | METALLURGY OF IRON
Patent
08/2018
The invention provides a novel molten iron spheroidizing spray gun system which comprises a gun body, a reacting chamber and a granular magnesium conveying pipe... 
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS | METALLURGY | ALLOYS | PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL | CHEMISTRY | TREATMENT OF ALLOYS OR NON-FERROUS METALS | FERROUS OR NON-FERROUS ALLOYS | METALLURGY OF IRON
Patent
09/2019
A sulfur additive is added to molten steel. At that time, the yield of sulfur in the molten steel is stabilized and nozzle blockage at the time of continuous casting due to impurities is prevented... 
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS | METALLURGY | PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL | ALLOYS | CHEMISTRY | TREATMENT OF ALLOYS OR NON-FERROUS METALS | METALLURGY OF IRON | FERROUS OR NON-FERROUS ALLOYS
Patent
12/2018
The invention discloses a converter smelting method for improving end molten steel remainder Mn with medium-high-Mn, high-P and low-Si molten iron (C4.20-4.60wt, Mn 0.90wt%-1.15wt%, Si 0.05-0.15wt%, P0.100-0.130wt... 
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS | METALLURGY | PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL | ALLOYS | CHEMISTRY | TREATMENT OF ALLOYS OR NON-FERROUS METALS | METALLURGY OF IRON | FERROUS OR NON-FERROUS ALLOYS
Patent
09/2019
A sulfur additive is added to molten steel. At that time, the yield of sulfur in the molten steel is stabilized and nozzle blockage at the time of continuous casting due to impurities is prevented... 
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS | METALLURGY | PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL | ALLOYS | CHEMISTRY | TREATMENT OF ALLOYS OR NON-FERROUS METALS | METALLURGY OF IRON | FERROUS OR NON-FERROUS ALLOYS
Patent
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