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Device and method for producing aluminum-based intermediate alloy through aluminothermic reduction method

An intermediate alloy and reduction method technology, which is applied in the field of metal smelting, can solve problems such as uneven mixing of reactants, and achieve the effects of improving alloy quality, saving energy, and speeding up the reaction rate

Inactive Publication Date: 2022-01-18
承德钒钛新材料有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The embodiment of the present invention provides a device and method for producing an aluminum-based master alloy by the aluminothermic reduction method, aiming to solve the technical problem that uneven mixing of reactants easily occurs during the reaction process of preparing an aluminum-based master alloy

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  • Device and method for producing aluminum-based intermediate alloy through aluminothermic reduction method

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specific Embodiment 1

[0062] Specific embodiment one of the method for producing an aluminum-based master alloy by the aluminothermic reduction method of the present invention is:

[0063] reduction oxide material gas The first default flow second preset temperature third preset temperature Second default flow Oxide particle size The third default flow metal aluminum V 2 o 5

[0064] Concrete reaction steps: after putting a certain weight of metal aluminum into the reaction crucible, open the first valve 60 and the third valve 80 and start to feed hydrogen (the gas fed in this embodiment is the reducing gas hydrogen), and control the flowmeter 100 to show the number 0.1m 3 / min, turn on the heating furnace to heat up, after the metal aluminum liquefies, within the first preset time period, the thermocouple display reaches the second preset temperature of 850°C and maintains this temperature, within the second preset time period, reset the second preset temperatur...

specific Embodiment 2

[0065] The specific embodiment two of the method for producing aluminum base master alloy by aluminothermic reduction method of the present invention is:

[0066] reduction oxide material gas The first default flow second preset temperature third preset temperature Second default flow Oxide particle size The third default flow Liquid metal aluminum MoO 3

[0067] Concrete reaction steps: after putting a certain weight of metal aluminum into the reaction crucible, open the first valve 60 and the third valve 80 and start to feed helium (the gas that is passed into in this embodiment is the inert gas helium), and control the flow meter 100 The indication is 0.5m 3 / min, turn on the heating furnace to heat up, after the metal aluminum liquefies, within the first preset time period, the thermocouple display reaches the second preset temperature of 900°C and maintains this temperature, within the second preset time period, reset the second preset te...

specific Embodiment 3

[0068] The specific embodiment three of the method for producing aluminum-based master alloy by aluminothermic reduction method of the present invention is:

[0069] reduction oxide material gas The first default flow second preset temperature third preset temperature Second default flow Oxide particle size The third default flow Liquid metal aluminum V 2 o 5

[0070] Concrete reaction steps: after putting a certain weight of metal aluminum into the reaction crucible, open the first valve 60 and the third valve 80 and start to feed hydrogen (the gas fed in this embodiment is the reducing gas hydrogen), and control the flowmeter 100 to show the number 1m 3 / min, turn on the heating furnace to heat up, after the metal aluminum liquefies, within the first preset time period, the thermocouple display reaches the second preset temperature of 850°C and maintains this temperature, within the second preset time period, reset the second preset temper...

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Abstract

The invention provides a device and method for producing an aluminum-based intermediate alloy through an aluminothermic reduction method. The device for producing the aluminum-based intermediate alloy through the aluminothermic reduction method comprises an open reactor, a heating mechanism, a conveying pipeline, a gas source and an oxide bin, wherein the open reactor is used for carrying out a reaction process for producing the aluminum-based intermediate alloy, and is further provided with a reaction feeding port; the heating mechanism is arranged at the periphery of the open reactor and is used for heating the open reactor; the conveying pipeline is in communication with the reaction feeding port; the gas source is used for providing inert gas or reducing gas and is in communication with the conveying pipeline; and the oxide bin is used for containing oxide for producing the aluminum-based intermediate alloy, and a discharging port of the oxide bin is in communication with the conveying pipeline. The device and method for producing the aluminum-based intermediate alloy through the aluminothermic reduction method aim to solve the technical problem that reactants are not uniformly mixed in the reaction process of preparing the aluminum-based intermediate alloy.

Description

technical field [0001] The invention belongs to the technical field of metal smelting, and in particular relates to a device and a method for producing an aluminum-based master alloy by an aluminothermic reduction method. Background technique [0002] Among many master alloys, aluminum-based master alloys are the most important category. In the production process of such alloys, metal aluminum is used as a reducing agent to obtain target master alloys through aluminothermic reduction reaction. The conventional device and method of this type of alloy is to use graphite processing or magnesia, aluminum oxide and other refractory materials to prefabricate / knot the reaction vessel, after adding the reaction material mixed in proportion to the reaction vessel, ignite the reaction material, and pass through The propagating reduction reaction completes the smelting. The equipment and production process of the traditional production process are simple, but the reaction process is n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/03C22B5/04
CPCC22C1/03C22C1/026C22B5/04
Inventor 朱立杰马瑞峰卢明亮赵备备王海旭白丽
Owner 承德钒钛新材料有限公司
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