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New silicon-aluminum-barium-calcium multicomponent deoxidation alloy for steelmaking and preparation technology thereof

A silicon-aluminum-barium-calcium, deoxidation alloy technology, applied in the field of deoxidation in steelmaking, can solve the problems of unsatisfactory deoxidation effect and economic benefits, high production cost, complicated process, etc., and achieve high specificity, low melting point and improved comprehensive performance Effect

Inactive Publication Date: 2012-07-11
XICHUAN COUNTY SENLI IRON STEEL FURNACE CHARGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are many deoxidizers used in steelmaking. Many alloy deoxidizers are produced by submerged arc furnaces. During the production process, the power consumption is as high as 10000-12000KW.h / t, the production cost is high, the process is complicated, and the deoxidation effect and economic benefits are not good. Ideal and is a high energy consumption product

Method used

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  • New silicon-aluminum-barium-calcium multicomponent deoxidation alloy for steelmaking and preparation technology thereof
  • New silicon-aluminum-barium-calcium multicomponent deoxidation alloy for steelmaking and preparation technology thereof

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Embodiment 1

[0030] The novel silicon-aluminum-barium-calcium multi-element deoxidation alloy for steelmaking of the present invention is made by smelting quartz sand, barium carbonate, lime, smelted aluminum ore and silicon carbide in an electric arc furnace, and its weight percentages are respectively: quartz sand 24 %, barium carbonate 16%, lime 16%, slaked aluminum ore 24%, silicon carbide 20%.

[0031] The preparation process is as follows: after the above-mentioned raw materials are accurately weighed according to the proportion and mixed evenly, the mixed materials are sequentially added to the electric arc furnace lined with carbonaceous electrodes. When the heating temperature reaches 1500-1600 °C, the mixed raw materials Fully react and gradually melt. After the mixture is completely melted, refine for 50-60 minutes to obtain a new liquid silicon-aluminum-barium-calcium multi-deoxidation alloy. Pour the liquid deoxidation alloy into the ingot mold to cool, and break it into pieces...

Embodiment 2

[0035] The novel silicon-aluminum-barium-calcium multi-element deoxidation alloy for steelmaking described in the present invention is made by smelting quartz sand, barium carbonate, lime, slaked aluminum ore, and silicon carbide in an electric arc furnace, and its weight percentages are respectively: quartz sand 26 %, barium carbonate 16%, lime 15%, slaked aluminum ore 22%, silicon carbide 21%.

[0036] Its preparation method is with embodiment 1.

[0037] The power consumption of new silicon aluminum barium calcium deoxidized alloy produced by submerged arc furnace is 10000~12000KW.h / t, while the power consumption of new silicon aluminum barium calcium deoxidized alloy produced by this method is as low as 2500KW.h / t, saving electricity per ton 8500KW.h.

Embodiment 3

[0039] The novel silicon-aluminum-barium-calcium multi-element deoxidation alloy for steelmaking of the present invention is made by smelting quartz sand, barium carbonate, lime, smelted aluminum ore, and silicon carbide in an electric arc furnace, and its weight percentages are respectively: quartz sand 25 %, barium carbonate 16%, lime 15%, slaked aluminum ore 21%, silicon carbide 23%.

[0040] Its preparation method is with embodiment 1.

[0041] The power consumption of new silicon aluminum barium calcium deoxidized alloy produced by submerged arc furnace is 10000~12000KW.h / t, while the power consumption of new silicon aluminum barium calcium deoxidized alloy produced by this method is as low as 3000KW.h / t, saving electricity per ton 8000KW.h.

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Abstract

The invention discloses a new silicon-aluminum-barium-calcium multicomponent deoxidation alloy for steelmaking and a preparation technology thereof. The alloy and preparation technology are mainly characterized in that the new silicon-aluminum-barium-calcium multicomponent deoxidation alloy for steelmaking is prepared by smelting quartz sand, barium carbonate, lime, wrought aluminum ore and silicon carbide in an electric-arc furnace; and the preparation technology comprises the following steps: mixing the quartz sand, wrought aluminum ore, barium carbonate, lime and silicon carbide raw materials at a weight ratio, adding the mixture into the electric-arc furnace lined with a carbon electrode lining, heating and melting for 120-150 minutes, refining, and discharging to obtain the silicon-aluminum-barium-calcium multicomponent deoxidation alloy. Compared with the traditional preparation technology, the preparation technology has the following advantages: electric energy is saved and 8000-9000kWh of power can be saved per ton. Wastes are reused. The carbon electrode, which replaces carbon, is used as the lining, so that every time the lining is repaired, the cost is reduced by 88.2% and the service life is prolonged by 3-5 days.

Description

technical field [0001] The invention belongs to the technical field of deoxidation in steelmaking, and relates to a multi-component deoxidation alloy for steelmaking, in particular to a novel silicon-aluminum-barium-calcium multi-component deoxidation alloy for steelmaking and a preparation process thereof. Background technique [0002] A deoxidizer is added when smelting steel. At present, there are many deoxidizers used in steelmaking. Many alloy deoxidizers are produced by submerged arc furnaces. During the production process, the power consumption is as high as 10000-12000KW.h / t, the production cost is high, the process is complicated, and the deoxidation effect and economic benefits are not good. Ideal and belongs to high energy consumption products. Contents of the invention [0003] In order to solve the above problems, the object of the present invention is to provide a new type of silicon-aluminum-barium-calcium multi-component deoxidation alloy for steelmaking a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21C7/06C22C1/02
Inventor 舒新国吴彦朱美颖赵金山
Owner XICHUAN COUNTY SENLI IRON STEEL FURNACE CHARGE
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