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Furnace burden formula for improving ferrochrome smelting property and processing method thereof

A property and charge technology, which is applied in the charge formulation and processing field for improving the smelting properties of ferrochromium, to achieve the effects of increasing melting point, improving fluidity, and improving smelting properties of ferrochromium

Pending Publication Date: 2020-11-03
徐州宏阳新材料科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Embodiments of the present invention provide a charge formula and processing method for improving ferrochromium smelting properties, so as to solve the technical problems mentioned in the background art

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  • Furnace burden formula for improving ferrochrome smelting property and processing method thereof

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Embodiment Construction

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0022] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", and "circumferential" are based on...

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Abstract

The embodiment of the invention discloses a furnace burden formula for improving the ferrochrome smelting property and a processing method thereof, and belongs to the technical field of ferrochrome processing. The furnace burden formula for improving the ferrochrome smelting property comprises magnesite tailings, coke, serpentine, silica, bluestone and return furnace slag; in the magnesite tailings, Cr2O3 is larger than 40%, Cr2O3 / sigma FeO is larger than 2.5, S is smaller than 0.05%, and P is smaller than 0.07%; the coke contains more than or equal to 84% of fixed carbon, less than 15% of ashand less than 0.6% of S; and the content of SiO2 in the silica is greater than 97%, and the content of Al2o3 in the silica is less than 1.0%. Through reasonable proportioning of magnesite, the alkalinity of slag can be improved, the fluidity of the slag is improved, the melting point of furnace burden can be increased and a reducing atmosphere can be created by adding the magnesite to influence the atmosphere in a furnace, and through adding the magnesite to influence the furnace temperature, less heat absorbed by decomposition is realized, and the furnace temperature is not greatly influenced.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of ferrochrome processing, and in particular to a charge formulation and a processing method for improving ferrochrome smelting properties. Background technique [0002] Magnesite is a magnesium carbonate mineral, which is the main source of magnesium. When a solution containing magnesium acts on calcite, it will turn calcite into magnesite, so magnesite also belongs to the calcite family. Magnesite-rich rocks also change into magnesite. Magnesite often contains iron, which is the result of iron or manganese replacing magnesium. Magnesite is white or off-white, with glass luster, and iron-containing magnesite will appear yellow to brown. [0003] The charge and slag used in the existing ferrochromium smelting process has poor fluidity, and the charge cannot provide a reducing atmosphere in the furnace well, and the existing magnesium additive decomposes and absorbs more heat, whi...

Claims

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Application Information

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IPC IPC(8): C22B1/248C22B1/02C22B1/16
CPCC22B1/02C22B1/16C22B1/248Y02P10/20
Inventor 龚晓俅邵珠航
Owner 徐州宏阳新材料科技股份有限公司
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