Large-scale zone melting purification equipment

Abstract

The utility model discloses large-scale zone smelting and purifying equipment which comprises a smelting furnace, a furnace cover capable of moving in the length direction of the smelting furnace is arranged on the smelting furnace, a lifting frame is arranged on the furnace cover, a mounting plate with the adjustable height is arranged in the lifting frame in an up-down sliding mode, and a rotor stirring motor is installed on the mounting plate. A graphite rotating shaft is arranged on an output shaft of the rotor stirring motor, a stirring rotor is arranged on the graphite rotating shaft, and a heater is installed on the furnace cover. According to the large zone melting purification equipment, the stirring rotor and the heater can be driven to move through the furnace cover, metal in the molten pool is subjected to zone purification, the production efficiency can be effectively improved, and the current situations that existing zone melting equipment is low in production efficiency and high in cost in the industry are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of smelting and purification equipment, in particular to large-scale regional smelting and purification equipment. Background Art

[0002] Usually, pure aluminum with a purity (aluminum content) greater than 99.8% is called high-purity aluminum. It is produced using high-quality refined aluminum as raw material and directional solidification refining. High-purity aluminum can be further divided into sub-ultra-high purity aluminum (aluminum content 99.5%-99.95%), ultra-high purity aluminum (aluminum content 99.996%-99.999%) and extremely high purity aluminum (aluminum content above 99.999%).

[0003] With the continuous upgrading of my country's manufacturing industry, the purity and output of high-purity aluminum are also increasing. The main methods for preparing high-purity aluminum above 4N5 in the world are: three-layer liquid electrolytic refining method and segregation method. The regional smelting method belongs to a method of purifying metals by segregation method, which is an important means of preparing high-purity metals. At present, the single production time of regional smelting equipment in the industry is 24-30 hours, and the output is less than 5KG, with low work efficiency and high production cost. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a large-scale regional smelting and purification equipment, which can drive the stirring rotor and the heater to move through the furnace cover, and perform regional purification of the metal in the molten pool, which can effectively improve the production efficiency, improve the current situation of low production efficiency and high cost of existing regional smelting equipment in the industry, and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a large-scale regional smelting and purification equipment, comprising a smelting furnace, the smelting furnace is provided with a furnace cover that can move along its length direction, the furnace cover is provided with a lifting frame, a height-adjustable mounting plate is provided inside the lifting frame for sliding up and down, a rotor stirring motor is installed on the mounting plate, a graphite shaft is provided on the output shaft of the rotor stirring motor, a stirring rotor is provided on the graphite shaft, and a heater is installed on the furnace cover.

[0006] As a preferred technical solution of the utility model, the smelting furnace includes a furnace body shell and a smelting tank shell, an insulation layer is provided between the furnace body shell and the smelting tank shell, and the inner cavity of the smelting tank shell forms a molten pool.

[0007] As a preferred technical solution of the utility model, a groove bottom auxiliary heating is provided at the bottom of the molten pool.

[0008] As a preferred technical solution of the utility model, a furnace cover travel motor is installed on the smelting tank shell, a furnace cover travel screw is installed on the output shaft of the furnace cover travel motor, and a connecting seat threadedly connected to the furnace cover travel screw is provided on the furnace cover.

[0009] As a preferred technical solution of the utility model, an auxiliary gas heating hole is provided on the furnace cover.

[0010] As a preferred technical solution of the utility model, a rotor lifting motor is installed on the lifting frame, a rotor lifting screw is installed on the output shaft of the rotor lifting motor, and the rotor lifting screw is threadedly connected to the mounting plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The large-scale regional smelting and purification equipment exemplified in the utility model can drive the stirring rotor and the heater to move through the furnace cover, and perform regional purification of the metal in the molten pool, which can effectively improve production efficiency and improve the current situation of low production efficiency and high cost of existing regional smelting equipment in the industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the top view of the smelting furnace in the utility model.

[0015] In the figure: 1 furnace body shell, 2 insulation layer, 3 smelting tank shell, 4 molten pool, 5 furnace cover, 6 furnace cover travel motor, 7 furnace cover travel screw, 8 auxiliary gas heating hole, 9 lifting frame, 10 rotor lifting motor, 11 rotor lifting screw, 12 rotor stirring motor, 13 graphite shaft, 14 stirring rotor, 15 heater, 16 tank bottom auxiliary heating. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-2The utility model provides a technical solution: a large-scale regional smelting and purification equipment, including a smelting furnace, the smelting furnace is provided with a furnace cover 5 that can move along the length direction thereof, the furnace cover 5 is provided with a lifting frame 9, the lifting frame 9 is internally provided with a mounting plate with adjustable height that slides up and down, a rotor stirring motor 12 is installed on the mounting plate, a graphite shaft 13 is provided on the output shaft of the rotor stirring motor 12, a stirring rotor 14 is provided on the graphite shaft 13, the mounting plate can drive the graphite shaft 13 and the stirring rotor 14 to move up and down, so as to stir and purify the metal inside the molten pool 4, and a heater 15 is installed on the furnace cover 5 for heating, melting and fixing the metal.

[0018] Furthermore, the smelting furnace includes a furnace body shell 1 and a smelting tank shell 3, and an insulation layer 2 is provided between the furnace body shell 1 and the smelting tank shell 3 to play a heat preservation role. The inner cavity of the smelting tank shell 3 forms a molten pool 4 for smelting and purifying metals.

[0019] Furthermore, a bottom heating device 16 is provided at the bottom of the molten pool 4 to improve the heating effect.

[0020] Furthermore, a furnace cover traveling motor 6 is installed on the smelting tank shell 3, and a furnace cover traveling screw 7 is installed on the output shaft of the furnace cover traveling motor 6. A connecting seat threadedly connected to the furnace cover traveling screw 7 is provided on the furnace cover 5. When the furnace cover traveling motor 6 works, the furnace cover traveling motor 6 drives the furnace cover traveling screw 7 to rotate. During the rotation of the furnace cover traveling screw 7, the furnace cover 5 is driven to move. According to the process requirements, the furnace cover 5 drives the heater 15 and the stirring rotor 14 to advance slowly toward the end.

[0021] Furthermore, an auxiliary gas heating hole 8 is provided on the furnace cover 5 for auxiliary heating by gas.

[0022] Furthermore, a rotor lifting motor 10 is installed on the lifting frame 9, and a rotor lifting screw 11 is installed on the output shaft of the rotor lifting motor 10. The rotor lifting screw 11 is threadedly connected to the mounting plate. The rotor lifting motor 10 works and drives the rotor lifting screw 11 to rotate, and the rotor lifting screw 11 drives the mounting plate to move downward, and the mounting plate drives the graphite shaft 13 and the stirring rotor 14 to move downward.

[0023] The furnace cover travel motor 6, rotor lifting motor 10, rotor stirring motor 12 and heater 15 used in the present invention are all commonly used electronic components in the prior art, and their working methods and circuit structures are all well-known technologies and will not be described in detail here.

[0024] When using:

[0025] The fixed metal is placed in the molten pool 4, and the solid metal at the beginning of the molten pool 4 is locally heated and melted by the heater 15;

[0026] After the metal is melted, the rotor lifting motor 10 works and drives the rotor lifting screw 11 to rotate, the rotor lifting screw 11 drives the mounting plate to move downward, the mounting plate drives the graphite shaft 13 and the stirring rotor 14 to move downward, and the rotor stirring motor 12 is controlled to work, the rotor stirring motor 12 drives the graphite shaft 13 and the stirring rotor 14 to rotate, and the stirring rotor 14 stirs the molten metal liquid;

[0027] Then, the furnace cover travel motor 6 is controlled to work, and the furnace cover travel motor 6 drives the furnace cover travel screw 7 to rotate. During the rotation of the furnace cover travel screw 7, the furnace cover 5 is driven to move. According to the process requirements, the furnace cover 5 drives the heater 15 and the stirring rotor 14 to slowly move toward the end;

[0028] Solid metal melts wherever the heater 15 reaches, and as the main heating continues to move, the metal solution slowly solidifies at the beginning. The above operations are repeated according to the product quality requirements to meet the product quality requirements.

[0029] The utility model can drive the stirring rotor 14 and the heater 15 to move through the furnace cover 5, and perform regional purification of the metal in the molten pool 4, which can effectively improve the production efficiency and improve the current situation of low production efficiency and high cost of existing regional smelting equipment in the industry.

[0030] The undisclosed parts in the present utility model are all prior art, and their specific structures, materials and working principles are not described in detail. Although the embodiments of the present utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the attached claims and their equivalents.

Claims

1. A large-scale regional smelting and purification equipment, including a smelting furnace, characterized in that: The smelting furnace is provided with a furnace cover (5) that can move along its length direction, the furnace cover (5) is provided with a lifting frame (9), a height-adjustable mounting plate is provided inside the lifting frame (9) and slides up and down, a rotor stirring motor (12) is installed on the mounting plate, a graphite shaft (13) is provided on the output shaft of the rotor stirring motor (12), a stirring rotor (14) is provided on the graphite shaft (13), and a heater (15) is installed on the furnace cover (5).

2. The large-scale regional smelting and purification equipment according to claim 1, characterized in that: The smelting furnace comprises a furnace body shell (1) and a smelting tank shell (3), a heat-insulating layer (2) is provided between the furnace body shell (1) and the smelting tank shell (3), and a molten pool (4) is formed in the inner cavity of the smelting tank shell (3).

3. The large-scale regional smelting and purification equipment according to claim 2, characterized in that: A bottom heating device (16) is provided at the bottom of the molten pool (4).

4. The large-scale regional smelting and purification equipment according to claim 2, characterized in that: A furnace cover travel motor (6) is mounted on the smelting tank shell (3), a furnace cover travel screw (7) is mounted on the output shaft of the furnace cover travel motor (6), and a connecting seat threadedly connected to the furnace cover travel screw (7) is provided on the furnace cover (5).

5. The large-scale regional smelting and purification equipment according to claim 1, characterized in that: The furnace cover (5) is provided with an auxiliary gas heating hole (8).

6. The large-scale regional smelting and purification equipment according to claim 1, characterized in that: A rotor lifting motor (10) is mounted on the lifting frame (9), a rotor lifting screw (11) is mounted on the output shaft of the rotor lifting motor (10), and the rotor lifting screw (11) is threadedly connected to the mounting plate.

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