Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A ferro-titanium alloy and preparation process technology, which is applied in the field of ferro-titanium alloy preparation technology, can solve the problems of high oxygen content, high reducing agent content, and increased production costs of ferro-titanium alloy, and achieve low energy consumption, high conversion rate, and easy discharge of the process Effect
Inactive Publication Date: 2015-06-10
铜陵百荣木业有限公司
View PDF5 Cites 10 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
The traditional preparation process of ferro-titanium alloy, one is to reduce titanium oxide and iron oxide with reducing agent silicon and aluminum. The oxygen content in ferro-titanium alloy prepared by this method is high, the content of reducing agent in the product is high, and the reducing agent cost High, which indirectly increases the production cost; the second is inspired by the electro-deoxidation process, using graphite as the anode and titanium and iron oxides as the cathode to prepare ferro-titanium alloy in the molten salt system for deoxidation. Low, so that the prepared ferro-titanium alloy will cause secondary pollution to molten steel in the steelmaking process and affect the quality of molten steel
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0019] A preparation process of ferro-titanium alloy, comprising the following steps:
[0020] (1) Smelting titanium concentrate into titanium slag in an electric furnace, then adding sodium carbonate into the electric furnace, and feeding in oxygen to stir;
[0021] (2) using graphite as the anode, electrolyzing the molten iron at the bottom of the electric furnace as the cathode, producing titanium metal and entering the molten iron to form a liquid-phase titanium-iron alloy;
[0022] (3) Under the protection of helium, the molten iron and the liquid-phase ferro-titanium alloy are discharged, and cooled to obtain the ferro-titanium alloy;
[0023] (4) Deoxidation refining: with sodium chloride and TiF 4 It is used as the electrolyte, with thick titanium-iron alloy as the cathode and carbon steel as the anode, and electrolyzes at a temperature of 600 ° C. During electrolysis, the cathode current density is controlled at 1.0A / cm 2 After the electrolysis, the cathode product ...
Embodiment 2
[0025] A preparation process of ferro-titanium alloy, comprising the following steps:
[0026] (1) Smelting titanium concentrate into titanium slag in an electric furnace, then adding potassium carbonate into the electric furnace, and feeding in oxygen to stir;
[0027] (2) using graphite as the anode, electrolyzing the molten iron at the bottom of the electric furnace as the cathode, producing titanium metal and entering the molten iron to form a liquid-phase titanium-iron alloy;
[0028] (3) Under the protection of argon gas, molten iron and liquid-phase titanium-iron alloy are discharged, and cooled to obtain thick titanium-iron alloy;
[0029] (4) Deoxidation refining: with potassium chloride and K 2 TiF 4 It is used as the electrolyte, with thick titanium-iron alloy as the cathode and carbon steel as the anode, and electrolyzes at a temperature of 800 ° C. During electrolysis, the cathode current density is controlled at 1.5A / cm 2 After the electrolysis, the cathode pr...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Login to view more
Abstract
The invention discloses a process for preparing a ferrotitanium alloy. The process comprises the following steps: (1) smelting the titanium concentrate into the titanium slag in an electric furnace, adding the alkali carbonate into the electric furnace, and introducing the oxygen and stirring; (2) electrolyzing by taking the graphite as an anode and the molten iron at bottom part of the electric furnace as a cathode, and putting the metallic titanium to melted iron to form a liquid phase ferrotitanium alloy; (3) discharging the molten iron and the liquid phase ferrotitanium alloy under an inert gas, and cooling to obtain the crude ferrotitanium alloy; and (4) deoxidizing and refining: electrolyzing by taking the alkali chloride and the titaniferous villiaumite as the electrolytes, taking the crude ferrotitanium alloy as the cathode and taking the carbon steel as the anode at the temperature of 600-800 DEG C, controlling the cathode current density to 1.0-1.5 A/cm<2. while electrolyzing, taking the cathode product out under normal temperature after finishing electrolyzing, and washing by deionized water to obtain the ferrotitanium alloy. The process for preparing the ferro titanium alloy provided by the invention is low in production cost, short in process flow, complete in de-oxygenation, low in process energy consumption and high in current efficiency and the application of the ferrotitanium alloy in the steelmaking can be improved.
Description
technical field [0001] The invention relates to the technical field of ferroalloy production, in particular to a preparation process of ferro-titanium alloy. Background technique [0002] Ferro-titanium alloys are widely used as deoxidizers, degassers and alloying element additives in the iron and steel industry. At present, the aluminothermic method and remelting method are widely used to produce this kind of alloy. The traditional preparation process of ferro-titanium alloy, one is to reduce titanium oxide and iron oxide with reducing agent silicon and aluminum. The oxygen content in ferro-titanium alloy prepared by this method is high, the content of reducing agent in the product is high, and the reducing agent cost High, indirectly increased the production cost; the second is inspired by the electro-deoxidation process, using graphite as the anode and titanium and iron oxides as the cathode in the molten salt system to prepare ferro-titanium alloy, this method is not co...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more 
Login to view more