Quantitative furnace high-quality molten aluminum refining system

Abstract

The utility model provides a quantitative furnace high-quality molten aluminum refining system which comprises a furnace body, a furnace chamber is arranged in the furnace body, the furnace body is provided with a soup adding opening for adding liquid into the furnace chamber and a discharging assembly installed on the side, away from the soup adding opening, of the furnace body, and the soup adding opening is provided with a sealing cover. The furnace body is connected with a degassing machine, the degassing machine extends into the furnace chamber to carry out degassing refining on the molten aluminum, a degassing brick is arranged in the furnace chamber, and the degassing brick is used for degassing the molten aluminum in the furnace chamber. The degassing bricks and the degassing machine are arranged to carry out degassing refining treatment on molten aluminum, hydrogen and impurities in the molten aluminum are brought out, the defects of castings are reduced, the product performance is improved, and the requirement of customers for the quality of the molten aluminum is met. And the molten aluminum is stirred by the degassing machine, so that alloy components in the molten aluminum are more uniform, and the quality of the molten aluminum is improved.

Description

Technical Field

[0001] This utility model belongs to the field of aluminum liquid refining technology, specifically relating to a quantitative furnace high-quality aluminum liquid refining system. Background Technology

[0002] In the metal casting industry, especially for sectors with extremely high requirements for the quality of molten aluminum, traditional quantitative furnaces are no longer sufficient to meet production demands. Furthermore, traditional quantitative furnaces often fail to adequately remove hydrogen and impurities from the molten aluminum during storage and supply, leading to unstable casting quality and impacting product performance and lifespan.

[0003] Currently, the quantitative furnaces used by various manufacturers typically lack degassing capabilities or only employ degassing bricks for basic degassing of the molten aluminum. However, for certain grades of molten aluminum used in specific industries, this simple degassing method cannot meet customer quality requirements. Hydrogen and impurities in the molten aluminum not only affect the mechanical properties of the castings but may also lead to defects such as porosity and shrinkage within the castings, thereby reducing product quality and reliability.

[0004] Therefore, the above problems urgently need to be solved. Utility Model Content

[0005] Purpose of the utility model: In order to overcome the above shortcomings, this utility model provides a high-quality aluminum liquid refining system for a quantitative furnace. While ensuring the sealing of the quantitative furnace, a degasser is added to remove hydrogen and inclusions from the aluminum liquid, thereby improving the degassing efficiency and the quality of the aluminum liquid.

[0006] Technical Solution: To achieve the above objectives, this utility model provides a quantitative furnace high-quality aluminum liquid refining system, including a furnace body with a furnace cavity. The furnace body has a molten aluminum inlet for adding liquid to the furnace cavity, and a discharge assembly installed on the side of the furnace body away from the molten aluminum inlet. The molten aluminum inlet is covered. A degassing machine is connected to the furnace body, extending into the furnace cavity to degas and refine the aluminum liquid. Degassing bricks are installed inside the furnace cavity to degas the aluminum liquid within the cavity. During use of the quantitative furnace, the cover of the molten aluminum inlet needs to be opened, and liquid is added into the furnace cavity through the molten aluminum inlet. After adding liquid, the cover closes the molten aluminum inlet. The degassing bricks are then activated to degas the aluminum liquid. For special grades of aluminum liquid, the degassing machine is activated to stir the aluminum liquid, and inert gas is introduced into the aluminum liquid through the degassing machine to carry away hydrogen and impurities in the aluminum liquid, reducing casting defects, improving product performance, and meeting customer requirements for aluminum liquid quality. Furthermore, the degasser agitates the molten aluminum, making the alloy composition in the molten aluminum more uniform and improving the quality of the molten aluminum.

[0007] Furthermore, in the aforementioned quantitative furnace high-quality aluminum liquid refining system, the degassing machine includes a drive unit connected to the top of the furnace body. The drive unit is connected to a transmission rod, which is coaxially connected to a degassing rotating rod. The end of the degassing rotating rod away from the drive unit extends into the furnace cavity, and the end of the degassing rotating rod extending into the furnace cavity is connected to a degassing turntable. The drive unit is a motor, electrically connected to a control system, which can be integrated into the workshop's modern network system to achieve remote operation and automated degassing, ensuring personnel are in a safe area and protecting their lives.

[0008] Furthermore, in the aforementioned quantitative furnace high-quality aluminum liquid refining system, the bottom of the degasser is equipped with a sealing cover, which is sealed to the furnace body via a sealing gasket. The drive rod is movably connected to the top of the sealing cover via a bearing housing shaft. A sealing element is provided at the connection between the bearing housing and the drive rod, and a sealing gasket is provided at the connection between the bearing housing and the sealing cover. The sealing element at the connection between the drive rod and the bearing housing, and the sealing gasket at the connection between the bearing housing and the sealing cover, ensure the sealing of the connection between the drive rod and the sealing cover. Simultaneously, the sealing cover and the furnace body are sealed together to ensure the furnace cavity's airtightness, reduce contact between the aluminum liquid and air, prevent oxidation of the aluminum liquid, ensure the purity of the aluminum liquid, and improve its quality.

[0009] Furthermore, in the aforementioned quantitative furnace high-quality aluminum liquid refining system, the drive rod and the degassing rotor are connected by a connector. The drive rod, degassing rotor, and connector are each provided with through holes, forming a degassing channel. This degassing channel is connected to a gas guide pipe, through which inert gas is introduced into the furnace cavity. The inert gas is injected into the aluminum liquid within the furnace cavity through the degassing channel. Under the action of the degassing rotor, the inert gas forms numerous tiny bubbles, which diffuse and rise within the aluminum liquid, carrying away gases and impurities, thus improving degassing efficiency and the quality of the aluminum liquid.

[0010] Furthermore, in the aforementioned quantitative furnace high-quality aluminum liquid refining system, the lower end of the drive rod is equipped with a connecting flange, which is located inside the sealing cover. A sealing ring connects the connecting component and the connecting flange of the drive rod, creating a sealed connection between the connecting component and the drive rod. The connecting component is also sealed to the degassing rotating rod. The connecting component coaxially connects the drive rod and the degassing rotating rod, and a sealing ring is installed at the connection point to ensure stable inert gas pressure, prevent pressure loss due to inert gas leakage, and improve degassing efficiency and effect.

[0011] Furthermore, in the aforementioned quantitative furnace high-quality aluminum liquid refining system, a cleaning door is provided at the end of the furnace body near the molten aluminum inlet. Workers can use this door to clean debris from the furnace cavity, maintaining its cleanliness, ensuring the normal operation of the quantitative furnace, preventing impurities from contaminating the molten aluminum and affecting product quality, and avoiding excessive accumulation of slag, which could impact heating efficiency and furnace lifespan.

[0012] Furthermore, in the aforementioned quantitative furnace high-quality aluminum liquid refining system, a lifting device is connected to the bottom of the furnace body, which drives the furnace body to rise and fall. The lifting device can raise the furnace body and adjust its height to accommodate the height requirements of different equipment, thereby improving equipment adaptability and ensuring smooth production processes.

[0013] Furthermore, in the aforementioned quantitative furnace high-quality aluminum liquid refining system, the bottom of the lifting device is connected to pulleys. The pulleys allow for quick adjustment of the quantitative furnace's position, enabling precise docking with other equipment and improving the furnace's flexibility.

[0014] Furthermore, in the aforementioned quantitative furnace high-quality aluminum liquid refining system, the discharge component includes a quantitative pump installed on the side of the furnace body away from the molten aluminum inlet, hinged to the furnace body's liquid guide trough. The quantitative pump pumps the molten aluminum from the furnace cavity to the liquid guide trough. An adjustment device is connected to the lower side of the liquid guide trough. The adjustment device includes a sleeve connected to the furnace body, with an L-shaped connecting pipe slidably connected to the sleeve. The sleeve and the L-shaped connecting pipe are adjustablely connected via a hand-tightening bolt. A telescopic pipe is slidably connected to the horizontal end of the L-shaped connecting pipe, and the horizontal end of the L-shaped connecting pipe and the telescopic pipe are adjustablely connected via a hand-tightening bolt. A support claw is hinged to the end of the telescopic pipe away from the L-shaped connecting pipe, and the support claw is connected to the liquid guide trough. The quantitative pump pumps the molten aluminum from the furnace cavity into the liquid guide trough, from which the molten aluminum flows into the die-casting machine for die casting. By adjusting the connection length of the sleeve and the L-shaped connecting pipe, or the connection length of the L-shaped connecting pipe and the telescopic pipe, the tilt angle of the liquid guiding channel is adjusted, thereby adjusting the height of the liquid guiding channel outlet, so that the liquid guiding channel outlet is close to the liquid receiving port of the die casting machine, ensuring that the molten metal flows accurately into the die casting machine.

[0015] Furthermore, in the aforementioned quantitative furnace high-quality aluminum liquid refining system, a heating device is installed along the liquid guide channel to heat the channel. The heating device is electrically heated to maintain the temperature of the liquid guide channel, preventing the aluminum liquid temperature from dropping and affecting the aluminum liquid transportation, thereby improving transportation efficiency and ensuring the quality of the aluminum liquid.

[0016] As can be seen from the above technical solution, this utility model has the following beneficial effects: The quantitative furnace high-quality aluminum liquid refining system of this utility model degasses the aluminum liquid using a degasser and degassing bricks, reducing casting defects, improving product performance, and meeting customer requirements for aluminum liquid quality. Furthermore, the degasser agitates the aluminum liquid, making the alloy composition more uniform and improving the quality of the aluminum liquid. The degasser and degassing bricks can be flexibly adjusted according to actual conditions when producing products of different specifications and qualities to meet different production needs. Simultaneously, they complement each other, ensuring degassing stability, improving degassing efficiency, and enhancing the quality of the aluminum liquid. Additionally, sealing elements are installed at the connection between the transmission rod and the bearing seat, and sealing gaskets are installed at the connection between the bearing seat and the sealing cover to ensure the furnace cavity's airtightness, reduce contact between the aluminum liquid and air, prevent oxidation reactions in the aluminum liquid, ensure the purity of the aluminum liquid, and improve its quality. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the quantitative furnace high-quality aluminum liquid refining system of this utility model;

[0018] Figure 2 This is a cross-sectional view of the quantitative furnace high-quality aluminum liquid refining system of this utility model;

[0019] Figure 3 for Figure 2 A magnified view of a portion of the image.

[0020] In the diagram: 1. Furnace body, 11. Furnace cavity, 12. Soup inlet, 13. Discharge assembly, 131. Liquid guide trough, 137. Metering pump, 132. Sleeve, 133. L-shaped connecting pipe, 134. Telescopic pipe, 135. Support claw, 136. Heating device, 14. Degasser, 141. Drive device, 1421. Transmission rod, 1422. Degassing rotating rod, 1423. Degassing channel, 143. Degassing turntable, 144. Connector, 145. Sealing cover, 146. Bearing seat, 15. Degassing brick, 17. Cleaning door, 18. Lifting device, 181. Pulley. Detailed Implementation

[0021] Example 1

[0022] like Figure 1 The illustrated high-quality aluminum liquid refining system for a quantitative furnace includes a furnace body 1, a furnace chamber 11 within the furnace body 1, a molten aluminum inlet 12 for adding molten aluminum into the furnace chamber 11, and a discharge assembly 13 installed on the side of the furnace body 1 away from the molten aluminum inlet 12. The molten aluminum inlet 12 is covered. A degassing machine 14 is connected to the furnace body 1, extending into the furnace chamber 11 to degas and refine the molten aluminum. Degassing bricks 15 are installed inside the furnace chamber 11 (see...). Figure 2 Degassing brick 15 degassing the molten aluminum in furnace chamber 11.

[0023] like Figure 2-3 The quantitative furnace high-quality aluminum liquid refining system shown includes a degassing machine 14 comprising a drive unit 141 connected to the top of the furnace body 1. The drive unit 141 drives a transmission rod 1421, which is coaxially connected to a degassing rotating rod 1422. One end of the degassing rotating rod 1422, away from the drive unit 141, extends into the furnace chamber 11. The end of the degassing rotating rod 1422 extending into the furnace chamber 11 is connected to a degassing turntable 143. The drive unit 141 is a motor, electrically connected to the control system.

[0024] In this embodiment, the bottom of the degasser 14 is provided with a sealing cover 145, and the sealing cover 145 and the furnace body 1 are sealed together by a sealing gasket. The transmission rod 1421 is movably connected to the top of the sealing cover 145 through the bearing seat 146. A sealing element is provided at the connection between the bearing seat 146 and the transmission rod 1421, and a sealing gasket is provided at the connection between the bearing seat 146 and the sealing cover 145.

[0025] In this embodiment, the transmission rod 1421 and the degassing rotating rod 1422 are connected by a connector 144. The upper transmission rod 1421, the degassing rotating rod 1422, and the connector 144 are each provided with through holes, which form a degassing channel 1423. The degassing channel 1423 is connected to the gas guide pipe, and the gas guide pipe introduces inert gas into the furnace chamber 11 through the degassing channel 1423. The inert gas is injected into the aluminum liquid in the furnace chamber through the degassing channel 1423, and under the action of the degassing rotating plate 143, the inert gas forms a large number of tiny bubbles, which diffuse and rise in the aluminum liquid, carrying out the gas and impurities in the aluminum liquid, thus degassing the aluminum liquid.

[0026] In this embodiment, a connecting flange is provided at the lower end of the transmission rod 1421. The connecting flange of the transmission rod 1421 is located inside the sealing cover 145. A sealing ring is connected between the connecting piece 144 and the connecting flange of the transmission rod 1421, and the connecting piece 144 and the transmission rod 1421 are sealed together. The connecting piece 144 is also sealed together with the degassing rotating rod 1422.

[0027] In this embodiment, a cleaning door 17 is provided at the end of the furnace body 1 near the soup inlet 12.

[0028] In this embodiment, a lifting device 18 is connected to the bottom of the furnace body 1, and the lifting device 18 drives the furnace body 1 to rise and fall. The lifting device 18 can lift the furnace body 1 and adjust its height to meet the height requirements of different equipment.

[0029] In this embodiment, the bottom of the lifting device 18 is connected to a pulley 181.

[0030] In this embodiment, the discharge assembly 13 includes a metering pump 137 installed on the side of the furnace body 1 away from the molten aluminum inlet 12, hinged to the liquid guide trough 131 of the furnace body 1. The metering pump 137 pumps the molten aluminum in the furnace cavity 11 to the liquid guide trough 131. An adjustment device is connected to the lower side of the liquid guide trough 131. The adjustment device includes a sleeve 132 connected to the furnace body 1. An L-shaped connecting pipe 133 is slidably connected to the sleeve 132. The sleeve 132 and the L-shaped connecting pipe 133 are adjustablely connected by a hand-tightening bolt. A telescopic pipe 134 is slidably connected to the horizontal end of the L-shaped connecting pipe 133. The horizontal end of the L-shaped connecting pipe 133 and the telescopic pipe 134 are adjustablely connected by a hand-tightening bolt. A claw 135 is hinged to the end of the telescopic pipe 134 away from the L-shaped connecting pipe 133. The claw 135 is connected to the liquid guide trough 131. A metering pump 137 pumps molten aluminum from the furnace chamber 11 into a liquid guide trough 131, from which the molten aluminum flows into the die-casting machine for die casting. An adjusting device adjusts the tilt angle of the liquid guide trough 131 by adjusting the connection length of the sleeve 132 and the L-shaped connecting pipe 133, or the connection length of the L-shaped connecting pipe 133 and the telescopic pipe 134. This adjusts the height of the liquid outlet of the liquid guide trough 131, bringing the outlet closer to the liquid inlet of the die-casting machine, ensuring accurate flow of molten metal into the die-casting machine.

[0031] In this embodiment, a heating device 136 is provided along the liquid guiding channel 131 to heat the liquid guiding channel 131. The heating device 136 is electrically heated to heat and maintain the temperature of the liquid guiding channel 131, preventing the temperature of the aluminum liquid from dropping.

[0032] During the use of the quantitative furnace, the cap on the molten aluminum inlet 12 needs to be opened, and molten aluminum is added into the furnace chamber 11 through the molten aluminum inlet 12. After the molten aluminum is added, the cap is closed again. The degassing brick 15 is started to degas the molten aluminum. For special grades of molten aluminum, the degasser 14 is started. The degassing disc 143 of the degasser 14 stirs the molten aluminum and introduces inert gas into the molten aluminum through the degassing channel 1423. Under the action of the degassing disc 143, the inert gas forms a large number of tiny bubbles, which diffuse and rise in the molten aluminum, carrying away the gas and impurities in the molten aluminum, thus degassing and refining the molten aluminum. In addition, the degasser 14 stirs the molten aluminum, making the alloy composition in the molten aluminum more uniform and improving the quality of the molten aluminum. When discharging, the quantitative pump 137 pumps the molten aluminum in the furnace chamber 11 to the liquid guide tank 131, and the molten aluminum flows from the liquid guide tank 131 into the die casting machine for die casting.

[0033] The above embodiments are exemplary and are intended to illustrate the technical concept and features of this utility model, so that those skilled in the art can understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A quantitative furnace high-quality aluminum liquid refining system, characterized in that: The furnace includes a furnace body (1), which has a furnace cavity (11) inside. The furnace body (1) has a slurry inlet (12) for adding liquid to the furnace cavity (11), and a discharge assembly (13) installed on the side of the furnace body (1) away from the slurry inlet (12). The slurry inlet (12) is covered. The furnace body (1) is connected to a degasser (14), which extends into the furnace cavity (11) to degas and refine the aluminum liquid. The furnace cavity (11) is provided with a degassing brick (15), which degasses the aluminum liquid in the furnace cavity (11).

2. The quantitative furnace high-quality aluminum liquid refining system according to claim 1, characterized in that: The degasser (14) includes a drive device (141) connected to the top of the furnace body (1). The drive device (141) is connected to a transmission rod (1421). The transmission rod (1421) is coaxially connected to a degassing rotating rod (1422). The end of the degassing rotating rod (1422) away from the drive device (141) extends into the furnace cavity (11). The end of the degassing rotating rod (1422) extending into the furnace cavity (11) is connected to a degassing turntable (143).

3. The quantitative furnace high-quality aluminum liquid refining system according to claim 2, characterized in that: The degasser (14) is provided with a sealing cover (145) at the bottom. The sealing cover (145) and the furnace body (1) are sealed together by a sealing gasket. The transmission rod (1421) is movably connected to the top of the sealing cover (145) through a bearing seat (146). A sealing element is provided at the connection between the bearing seat (146) and the transmission rod (1421). A sealing gasket is provided at the connection between the bearing seat (146) and the sealing cover (145).

4. The quantitative furnace high-quality aluminum liquid refining system according to claim 3, characterized in that: The transmission rod (1421) and the degassing rotating rod (1422) are connected by a connector (144). The transmission rod (1421), the degassing rotating rod (1422) and the connector (144) are respectively provided with through holes, which form a degassing channel (1423). The degassing channel (1423) is connected to the gas guide pipe, and the gas guide pipe inputs inert gas into the furnace cavity (11) through the degassing channel (1423).

5. The quantitative furnace high-quality aluminum liquid refining system according to claim 4, characterized in that: The lower end of the transmission rod (1421) is provided with a connecting flange, which is located inside the sealing cover (145). A sealing ring is connected between the connecting piece (144) and the connecting flange of the transmission rod (1421), and the connecting piece (144) and the transmission rod (1421) are sealed together. The connecting piece (144) and the degassing rotating rod (1422) are sealed together.

6. The quantitative furnace high-quality aluminum liquid refining system according to claim 1, characterized in that: The furnace body (1) has a cleaning door (17) at one end near the soup inlet (12).

7. The quantitative furnace high-quality aluminum liquid refining system according to claim 1, characterized in that: The bottom of the furnace body (1) is connected to a lifting device (18), which drives the furnace body (1) to rise and fall.

8. The quantitative furnace high-quality aluminum liquid refining system according to claim 7, characterized in that: The bottom of the lifting device (18) is connected to a pulley (181).

9. The quantitative furnace high-quality aluminum liquid refining system according to claim 1, characterized in that: The discharge assembly (13) includes a metering pump (137) installed on the side of the furnace body (1) away from the molten aluminum inlet (12), hinged to the liquid guide trough (131) of the furnace body (1). The metering pump (137) pumps the molten aluminum in the furnace cavity (11) into the liquid guide trough (131). An adjustment device is connected to the lower side of the liquid guide trough (131). The adjustment device includes a sleeve (132) connected to the furnace body (1). The sleeve (132) is slidably connected to an L-shaped connecting pipe ( 133), the sleeve (132) and the L-shaped connecting pipe (133) are adjustablely connected by hand-tightening bolts; the horizontal end of the L-shaped connecting pipe (133) is slidably connected to the telescopic pipe (134), and the horizontal end of the L-shaped connecting pipe (133) and the telescopic pipe (134) are adjustablely connected by hand-tightening bolts; the end of the telescopic pipe (134) away from the L-shaped connecting pipe (133) is hinged to a claw (135), and the claw (135) is connected to the liquid guide groove (131).

10. The quantitative furnace high-quality aluminum liquid refining system according to claim 9, characterized in that: A heating device (136) is provided along the liquid guiding groove (131) to heat the liquid guiding groove (131).

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