Refiner for aluminum alloy refining

Abstract

The utility model discloses a refiner for aluminum alloy refining, and relates to the technical field of alloy smelting. The utility model aims to solve the problems of non-uniform mixing and poor gold refining effect caused by blowing inert gas into melt in the aluminum alloy refining process in the prior art. The refining ring comprises a refining ring body and a refining rod, the refining ring body is of a hollow circular ring structure, the refining ring body is communicated with the refining rod, and a plurality of air outlets are formed in the refining ring body. The refining ring is composed of a refining ring wall, an inner cavity of the refining ring wall is an annular cavity, and through air outlet holes are formed in the refining ring wall. The aluminum alloy refining device is used for aluminum alloy refining.

Description

TECHNICAL FIELD

[0001] The utility model relates to a refiner for aluminum alloy refining belongs to alloy smelting technical field. BACKGROUND

[0002] In recent years, aluminum alloy is more and more widely used in people's life, and aluminum alloy is one of light metal materials by adding a certain amount of other alloying elements to aluminum, and aluminum alloy has the characteristics of low density, good mechanical property, good processing performance, non-toxicity, easy recovery, electrical conductivity, heat conductivity and excellent corrosion resistance, and is widely used in marine industry, chemical industry, aerospace, metal packaging, transportation and other fields.

[0003] In the casting process of aluminum alloy, the process method and operation process for removing gas, inclusions and harmful elements from the melt to obtain excellent molten aluminum are called refining, and the refining method for continuously blowing inert gas into the melt and carrying out the oxidation inclusions and hydrogen in the process of bubble floating to the surface is called inert gas refining. The existing aluminum alloy refining process blows inert gas into the melt unevenly, and the refining effect is poor. INVENTION CONTENTS

[0004] The utility model discloses a kind of refiners for aluminum alloy refining to solve the problem that the existing technology aluminum alloy refining process blows inert gas into melt unevenly, and the refining effect is poor, and further provide a kind of refiner for aluminum alloy refining.

[0005] The utility model discloses a technical scheme to solve the above problems is as follows: a kind of refiner for aluminum alloy refining, including refining ring and refining rod, the refining ring is hollow circular ring structure, the refining ring with the refining rod is communicated, a plurality of gas outlets are provided on the refining ring.

[0006] Further, the refining ring is composed of a refining ring wall, the internal cavity of the refining ring wall is an annular cavity, and the refining ring wall is provided with a through gas outlet.

[0007] Further, the refining rod is composed of a refining rod wall, the internal cavity of the refining rod wall is an air inlet cavity, the refining ring wall and the refining rod wall are weldedly connected, and the annular cavity and the air inlet cavity are communicated.

[0008] Further, the gas outlets are uniformly distributed in the circumference of the refining ring wall, and the number of the gas outlets is 20-40.

[0009] Further, the gas outlets are inclinedly arranged at an angle of 45-65 degrees with the horizontal direction.

[0010] Further, the refining ring is a titanium alloy refining ring, and the refining rod is a titanium alloy refining rod.

[0011] The utility model has the following beneficial technical effects:

[0012] The refining ring is inserted into the aluminum alloy melt for all-around stirring, and inert gas is introduced into the aluminum alloy melt, so that the inert gas passes through the annularly arranged and inclined air outlet holes, a vortex is formed in the melt, and the refining quality of the aluminum alloy is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic view of the present application;

[0014] Figure 2 is a top view of Figure 1 ;

[0015] Figure 3 is a sectional view of Figure 2 ;

[0016] Figure 4 is a structural schematic view of the refining ring;

[0017] In the figure: 1, refining ring; 101, refining ring wall; 102, annular cavity; 103, air outlet hole;

[0018] 2, refining rod; 201, refining rod wall; 202, air inlet cavity. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below in combination with the drawings and examples, and the specific examples described herein are only used to explain the present application and do not limit the present application.

[0020] Specific implementation method one: in combination with Figures 1 to 4 the present embodiment, the aluminum alloy is an alloy with aluminum as the base and a certain amount of other alloying elements. In the casting process of the aluminum alloy, the gas, inclusions and harmful elements are removed from the melt, and the process method and operation process for obtaining excellent aluminum liquid are called refining. The inert gas is continuously blown into the melt, and the refining method for removing the oxidized inclusions and hydrogen from the surface of the bubble during the floating process is called inert gas refining. The existing aluminum alloy refining process blows the inert gas into the melt unevenly, and the refining effect is poor.

[0021] In the present embodiment, a refiner for refining aluminum alloy is provided, which comprises a refining ring 1 and a refining rod 2, the refining ring 1 is a hollow circular ring structure, the refining ring 1 is in communication with the refining rod 2, and a plurality of air outlet holes 103 are arranged on the refining ring 1.

[0022] In a preferred embodiment, the refining ring 1 is composed of a refining ring wall 101, the internal cavity of the refining ring wall 101 is a ring-shaped cavity 102, and the refining ring wall 101 is provided with through gas outlet holes 103.

[0023] In a preferred embodiment, the refining rod 2 is composed of a refining rod wall 201, the internal cavity of the refining rod wall 201 is a gas inlet cavity 202, the refining ring wall 101 and the refining rod wall 201 are weldedly connected, and the ring-shaped cavity 102 and the gas inlet cavity 202 are in communication.

[0024] In a preferred embodiment, the gas outlet holes 103 are uniformly distributed in the circumference of the refining ring wall 101, and the number of the gas outlet holes 103 is 20-40.

[0025] In a preferred embodiment, the angle a between the gas outlet holes 103 and the horizontal direction is 45-65 degrees.

[0026] In a preferred embodiment, the refining ring 1 is made of titanium alloy, and the refining rod 2 is made of titanium alloy.

[0027] Specific implementation method two: combined with Figures 1 to 4 In this embodiment, an aluminum alloy refining refiner includes a refining ring 1 and a refining rod 2; the surface of the refining ring 1 has 36 gas outlet holes with an angle of 60°. The inner hole of the refining ring 1 is weldedly connected with the inner hole of the refining rod 2.

[0028] The other components and connection relationships are the same as those in specific implementation method one.

[0029] Specific implementation method three: combined with Figures 1 to 4 In this embodiment, the surface of the refining ring 1 of the aluminum alloy refining refiner is provided with 36 gas outlet holes with an angle of 60°; the inner hole of the refining ring 1 is weldedly connected with the inner hole of the refining rod 2.

[0030] In this embodiment, during the casting process of the aluminum alloy, the worker holds the refiner, inserts the refining ring 1 of the refiner into the aluminum alloy melt, and moves the refiner in all directions, i.e., front, back, left, right, up and down, to blow inert gas into the aluminum alloy melt. The inert gas passes through the ring-shaped and inclined gas outlet holes 103, can form a vortex in the melt, and improves the refining effect of the aluminum alloy.

[0031] The other components and connection relationships are the same as those in specific implementation method one.

[0032] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A refiner for refining an aluminum alloy characterized by: Including refining ring (1) and refining bar (2), the refining ring (1) is hollow circular ring structure, the refining ring (1) is communicated with the refining bar (2), a plurality of gas outlet holes (103) are arranged on the refining ring (1); The refining ring (1) is composed of refining ring wall (101), the internal cavity of the refining ring wall (101) is annular cavity (102), and the refining ring wall (101) is provided with through gas outlet hole (103); The refining bar (2) is composed of refining bar wall (201), the internal cavity of the refining bar wall (201) is gas inlet cavity (202), the refining ring wall (101) is welded with the refining bar wall (201), and the annular cavity (102) is communicated with the gas inlet cavity (202).

2. The refiner for refining of aluminum alloy as claimed in claim 1, characterized by: The gas outlet holes (103) are uniformly distributed on the circumference of the refining ring wall (101), and the number of the gas outlet holes (103) is 20-40.

3. The refiner for refining of aluminum alloy as claimed in claim 1, characterized in that: The gas outlet holes (103) are inclinedly arranged at an angle of 45-65 degrees with the horizontal direction.

4. The refiner for refining of aluminum alloy as claimed in claim 1, characterized by: The refining ring (1) is a titanium alloy refining ring, and the refining bar (2) is a titanium alloy refining bar.

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