Molten aluminum ceramic filter plate for cast-rolling filter box

Abstract

A molten aluminum ceramic filter plate for a cast-rolling filter box comprises a ceramic filter plate body, a molten aluminum contact surface I and a molten aluminum contact surface II are arranged on the top surface and the bottom surface of the ceramic filter plate body respectively, the molten aluminum contact surface I and the molten aluminum contact surface II each comprise a plurality of cambered surface protrusions arranged in parallel, and a molten aluminum cavity is formed in the ceramic filter plate body. An internal filtering surface I and an internal filtering surface II are respectively arranged on the top surface and the bottom surface of the molten aluminum cavity, each of the internal filtering surface I and the internal filtering surface II also comprises a plurality of cambered surface bulges which are arranged in parallel, and the molten aluminum cavity is wavy. According to the utility model, the arc-shaped cambered surface bulges are designed and are used for increasing the contact surface of molten aluminum and the ceramic filter plate and changing plane contact into arc contact, so that the contact surface is increased by 10%, the throughput and the filtering quality of the molten aluminum are improved, the replacement period of the ceramic filter plate is shortened, and the safety risk caused by the replacement operation of the ceramic filter plate is reduced.

Description

Technical Field

[0001] This utility model relates to aluminum and aluminum alloy casting and rolling aluminum liquid filtration technology, specifically to an aluminum liquid ceramic filter plate for casting and rolling filter boxes. Background Technology

[0002] In the aluminum alloy production industry, the casting and rolling process has gradually matured to replace the hot rolling process. However, the surface quality of the casting and rolling process has always been a problem in the industry. With the development of technology, high-end products produced by the casting and rolling process are gradually replacing hot rolling. However, at present, the casting and rolling process cannot be milled like the hot rolling process. Therefore, the filtration of impurities in the molten aluminum is a key issue that needs to be considered at present. Secondly, the industry currently improves the filtration capacity by increasing the mesh size of plate filters or using imported multi-tube filters. However, the increase in mesh size leads to a decrease in throughput, and the cost of multi-tube filters is extremely high. Utility Model Content

[0003] The purpose of this invention is to provide an aluminum molten ceramic filter plate for a cast-rolled filter box to solve the above-mentioned problems.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A ceramic filter plate for aluminum melt in a casting and rolling filter box includes a ceramic filter plate. The top and bottom surfaces of the ceramic filter plate are respectively provided with an aluminum melt contact surface I and an aluminum melt contact surface II. Both the aluminum melt contact surface I and the aluminum melt contact surface II include a plurality of parallel arc-shaped protrusions. An aluminum melt cavity is provided inside the ceramic filter plate. The top and bottom surfaces of the aluminum melt cavity are respectively provided with an internal filter surface I and an internal filter surface II. Both the internal filter surface I and the internal filter surface II also include a plurality of parallel arc-shaped protrusions. The aluminum melt cavity is wavy.

[0006] To further realize this utility model, the arc of the convex surface is φ25mm.

[0007] To further realize this utility model, the arc-shaped protrusion of the aluminum liquid contact surface I is parallel to the arc-shaped protrusion of the internal filter surface I, and the arc-shaped protrusion of the aluminum liquid contact surface II is parallel to the arc-shaped protrusion of the internal filter surface II.

[0008] To further realize this utility model, the horizontal distance between the centers of the adjacent arcs of the internal filter surface I and the internal filter surface II is 7.25mm.

[0009] To further realize this utility model, the ceramic filter plate is 305×305×50mm.

[0010] To further realize this utility model, the cross-section of the aluminum liquid cavity is on the same plane as the cross-section of the ceramic filter plate.

[0011] To further realize this utility model, both the aluminum liquid contact surface I and the aluminum liquid contact surface II have 22 arc-shaped protrusions.

[0012] To further realize this utility model, the ceramic filter plate is made of high-temperature resistant ceramic material.

[0013] To further realize this utility model, the ceramic filter plate has a mesh size of 50.

[0014] The advantages of this utility model compared to the prior art are as follows:

[0015] This utility model features a circular arc-shaped protrusion to increase the contact area between the molten aluminum and the ceramic filter plate, transforming the planar contact into a circular arc contact. This increases the contact area by 10%, improving the throughput and filtration quality of the molten aluminum while reducing the replacement cycle of the ceramic filter plate and mitigating safety risks associated with its replacement.

[0016] The molten aluminum enters the ceramic filter plate through the aluminum contact surface I, flows out from the internal filter surface I into the aluminum cavity, completing one internal filtration; then it flows out from the aluminum contact surface II through its symmetrical structure, completing the entire aluminum filtration process. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a perspective view of the structure of this utility model;

[0019] The meanings of the reference numerals in the attached diagram are as follows: 1. Ceramic filter plate; 2. Aluminum liquid contact surface I; 3. Aluminum liquid contact surface II; 4. Arc-shaped protrusion; 5. Aluminum liquid cavity; 6. Internal filter surface I; 7. Internal filter surface II. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0021] like Figure 1-2As shown, an aluminum molten ceramic filter plate for a casting and rolling filter box includes a ceramic filter plate 1, which measures 305×305×50mm. The ceramic filter plate 1 is made of high-temperature resistant ceramic material and has a mesh size of 50. The top and bottom surfaces of the ceramic filter plate 1 are respectively provided with an aluminum molten contact surface I2 and an aluminum molten contact surface II3. Both the aluminum molten contact surfaces I2 and II3 have 22 arc-shaped protrusions 4, and each includes several parallel arc-shaped protrusions 4. An aluminum molten cavity 5 is provided inside the ceramic filter plate 1. The cross-section of the aluminum molten cavity 5 is similar to that of the ceramic filter plate. The cross-section of 1 is on the same plane. The top and bottom surfaces of the aluminum liquid cavity 5 are respectively provided with internal filter surface I6 and internal filter surface II7. Both internal filter surface I6 and internal filter surface II7 include several parallel arc protrusions 4. The horizontal distance (a) between the centers of adjacent arcs of internal filter surface I6 and internal filter surface II7 is 7.25mm. The arc protrusion 4 of aluminum liquid contact surface I2 is parallel to the arc protrusion 4 of internal filter surface I6. The arc protrusion 4 of aluminum liquid contact surface II3 is parallel to the arc protrusion 4 of internal filter surface II7. The arc of the arc protrusion 4 is φ25mm. The aluminum liquid cavity 5 is wavy.

Claims

1. A ceramic filter plate for molten aluminum used in a cast-rolled filter box, characterized in that: The ceramic filter plate (1) is provided with an aluminum liquid contact surface I (2) and an aluminum liquid contact surface II (3) on its top and bottom surfaces, respectively. Both the aluminum liquid contact surface I (2) and the aluminum liquid contact surface II (3) include several parallel arc-shaped protrusions (4). An aluminum liquid cavity (5) is provided inside the ceramic filter plate (1). An internal filter surface I (6) and an internal filter surface II (7) are provided on the top and bottom surfaces of the aluminum liquid cavity (5), respectively. Both the internal filter surface I (6) and the internal filter surface II (7) also include several parallel arc-shaped protrusions (4). The aluminum liquid cavity (5) is wavy.

2. The aluminum melt ceramic filter plate for casting and rolling filter boxes as described in claim 1, characterized in that: The arc of the arc protrusion (4) is φ25mm.

3. The aluminum melt ceramic filter plate for casting and rolling filter boxes as described in claim 1 or 2, characterized in that: The arc protrusion (4) of the aluminum liquid contact surface I (2) is parallel to the arc protrusion (4) of the internal filter surface I (6), and the arc protrusion (4) of the aluminum liquid contact surface II (3) is parallel to the arc protrusion (4) of the internal filter surface II (7).

4. The aluminum melt ceramic filter plate for casting and rolling filter boxes as described in claim 3, characterized in that: The horizontal distance between the centers of the adjacent arcs of the internal filter surface I (6) and the internal filter surface II (7) is 7.25 mm.

5. The aluminum melt ceramic filter plate for the cast-rolled filter box as described in claim 4, characterized in that: The ceramic filter plate (1) is 305×305×50mm.

6. The aluminum melt ceramic filter plate for casting and rolling filter boxes as described in claim 5, characterized in that: The cross-section of the aluminum liquid cavity (5) is on the same plane as the cross-section of the ceramic filter plate (1).

7. The aluminum molten ceramic filter plate for the cast-rolled filter box as described in claim 6, characterized in that: The aluminum liquid contact surface I (2) and aluminum liquid contact surface II (3) each have 22 arc-shaped protrusions (4).

8. The aluminum melt ceramic filter plate for casting and rolling filter boxes as described in claim 7, characterized in that: The ceramic filter plate (1) is made of high-temperature resistant ceramic material.

9. The aluminum molten ceramic filter plate for the cast-rolled filter box as described in claim 8, characterized in that: The ceramic filter plate (1) has a mesh size of 50.

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