High-performance aluminum-iron alloy grading purification device

Abstract

The utility model relates to a high-performance aluminum-iron alloy grading purification device which comprises a furnace body, an inner furnace is fixed on the inner bottom wall of the furnace body, an annular groove is arranged between the inner furnace and the side wall of the furnace body, a rotatable rotating shaft is coaxially arranged in the furnace body, and the bottom of the rotating shaft extends into the inner furnace and is fixedly provided with a stirring rod. A plurality of through holes arranged in an annular array are formed in the inner furnace, a lantern ring is fixed to the rotating shaft, a plurality of slagging-off pieces are arranged on the lantern ring, and an annular screen is arranged in the annular groove. The alloy melt is poured into the inner furnace in the furnace body of the device, the rotating shaft drives the stirring rod to rotate, so that the stirring and mixing effects are achieved, the liquid level of the alloy melt is slightly lower than the position of the through hole, waste residues generated on the alloy melt and part of the alloy melt are scraped into the through hole through rotation of the slagging-off piece, and the slagging-off and purifying effects are achieved; therefore, part of alloy melt containing waste residues enters the annular screen in the annular groove, and the waste residues are filtered through the annular screen.

Description

Technical Field

[0001] The utility model relates to the production technology of aluminum-iron alloy, in particular to a high-performance aluminum-iron alloy grading and purification device. Background Technique

[0002] Ferro-aluminum alloy is mainly composed of iron and aluminum, and has high resistivity, low density, high hardness, good wear resistance, good anti-vibration and impact resistance. Therefore, the devices made of ferro-aluminum alloy have small eddy current loss and light weight. When producing ferro-aluminum alloy, aluminum and intermediate alloy are melted at 820 °C for 40 min, a modifier is added to the melt of aluminum and intermediate alloy, and it is kept warm for 20 min and then taken out of the furnace; after stirring and skimming the slag, the above alloy melt is poured into a steel mold preheated to 200 °C to obtain as-cast aluminum-iron alloy; after the as-cast alloy is uniformly annealed at 480 °C for 24 h, a high-strength aluminum-iron alloy material is obtained.

[0003] When producing ferro-aluminum alloy, it is necessary to stir and skim the alloy melt, and stirring and skimming can play a role in purifying the production of high-performance aluminum-iron alloy. However, the existing stirring and skimming devices for ferro-aluminum alloy production are often not convenient for grading skimming and purification, and there are certain limitations. Content of the Utility Model

[0004] The purpose of the utility model is to provide a high-performance aluminum-iron alloy grading and purification device, which is used to solve the problem that the existing stirring and skimming devices for ferro-aluminum alloy production are often not convenient for grading skimming and purification.

[0005] To solve the above problems, the utility model provides a high-performance aluminum-iron alloy grading and purification device, which includes a furnace body. The inner bottom wall of the furnace body is fixed with an inner furnace. An annular groove is arranged between the inner furnace and the side wall of the furnace body. A rotatable rotating shaft is coaxially arranged in the furnace body. The bottom of the rotating shaft extends into the inner furnace and is fixed with a stirring rod. The inner furnace is provided with a plurality of through holes arranged in an annular array. A sleeve ring is fixed on the rotating shaft. A plurality of slag skimming parts are arranged on the sleeve ring. An annular screen is arranged in the annular groove. The bottom of the slag skimming parts and the annular screen are both located below the through holes. One side of the bottom of the furnace body is provided with a discharge port, and the discharge port is communicated with the inside of the annular groove.

[0006] The high-performance aluminum-iron alloy grading and purification device provided by the utility model also has the following technical features:

[0007] Further, the top of the furnace body is bolted with an annular cover. The upper side of the annular cover is fixedly connected with a support beam. A motor is fixedly installed through the middle of the support beam. The output end of the motor is fixedly connected with the top of the rotating shaft.

[0008] Further, two semi-circular covers are hinged at the inner edge of the annular cover. One side of the semi-circular cover is provided with a notch for the rotating shaft to pass through, and the two semi-circular covers are arranged oppositely.

[0009] Furthermore, a plurality of legs arranged in a circular array are fixed to the bottom of the furnace body. One side of the bottom of the inner furnace is fixedly communicated with a feeding pipe. One end of the feeding pipe extends out of the furnace body and is bolted with a plugging block, and a cock is bolted in the discharge port.

[0010] Furthermore, the slag skimming member includes a vertical rod and a scraper plate. The scraper plate is fixed to the bottom of the vertical rod. The top of the vertical rod is fixedly connected with a collar. One side of the scraper plate is inclined and the scraper plate is located below the through hole.

[0011] Furthermore, support rings are respectively fixed to the inner wall of the furnace body and the outside of the inner furnace, and the annular screen is detachably arranged on the upper sides of the two support rings.

[0012] The utility model has the following beneficial effects: By pouring the alloy melt into the inner furnace in the furnace body of the device, driving the stirring rod to rotate by the rotating shaft, so as to play a role in stirring and mixing. By making the liquid level of the alloy melt slightly lower than the through hole, and rotating the slag skimming member, the waste slag and part of the alloy melt generated on the alloy melt are scraped into the through hole, playing a role in slag skimming and purification. Thus, part of the alloy melt containing waste slag enters the annular screen in the annular groove, and the waste slag is filtered by the annular screen, playing a role in secondary slag removal and purification. Thus, high-quality high-strength aluminum-iron alloy is produced, and further the role of hierarchical purification is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is an axonometric view of an embodiment of the utility model;

[0014] Figure 2 is a schematic structural view of the inner furnace in an embodiment of the utility model;

[0015] Figure 3 is a main sectional view of an embodiment of the utility model;

[0016] Figure 4 is an embodiment of the utility model Figure 3 Schematic enlarged structural view of part A in. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The present utility model will be described in detail below with reference to the drawings and in conjunction with the embodiments. It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments may be combined with each other.

[0018] Such as Figures 1 to 4In the embodiment of the high-performance aluminum-iron alloy classification and purification device of the present utility model shown, the high-performance aluminum-iron alloy classification and purification device includes a furnace body 1. An inner furnace 2 is fixed to the inner bottom wall of the furnace body 1. An annular groove 3 is provided between the side wall of the inner furnace 2 and the furnace body 1. A rotatable rotating shaft 4 is coaxially arranged in the furnace body 1. The bottom of the rotating shaft 4 extends into the inner furnace 2 and is fixed with a stirring rod 5. A plurality of through holes 6 arranged in an annular array are opened on the inner furnace 2. A collar 17 is fixed on the rotating shaft 4. A plurality of slag skimming members 7 are provided on the collar 17. An annular screen 8 is arranged in the annular groove 3. The bottom of the slag skimming member 7 and the annular screen 8 are both located below the through holes 6. One side of the bottom of the furnace body 1 is provided with a discharge port, and the discharge port is communicated with the inside of the annular groove 3. By pouring the alloy melt into the inner furnace 2 in the furnace body 1 of the device, by making the rotating shaft 4 drive the stirring rod 5 to rotate, the effect of stirring and mixing can be achieved. By making the liquid level of the alloy melt slightly lower than the position of the through holes 6, by rotating the slag skimming member 7, the waste slag and part of the alloy melt generated on the alloy melt are scraped into the through holes 6, playing the role of slag skimming and purification. Thus, part of the alloy melt containing waste slag enters the annular screen 8 in the annular groove 3. By filtering the waste slag through the annular screen 8, the role of secondary slag removal and purification is achieved, so as to produce high-quality high-strength aluminum-iron alloy.

[0019] In one embodiment of the present application, preferably, a ring cover 9 is connected to the top of the furnace body 1 by bolts. A support beam 10 is fixedly connected to the upper side of the ring cover 9. A motor 11 is fixedly installed through the middle of the support beam 10. The output end of the motor 11 is fixedly connected to the top of the rotating shaft 4. By starting the motor 11, it is convenient to drive the rotating shaft 4 to rotate.

[0020] In one embodiment of the present application, preferably, two semi-circular covers 12 are hinged at the inner edge of the ring cover 9. A notch for the rotating shaft 4 to pass through is provided on one side of the semi-circular cover 12. The two semi-circular covers 12 are arranged oppositely, and the two semi-circular covers 12 can conveniently shield and protect the top of the furnace body 1.

[0021] In one embodiment of the present application, preferably, a plurality of legs 13 arranged in an annular array are fixed to the bottom of the furnace body 1. One side of the bottom of the inner furnace 2 is fixedly communicated with a feeding pipe 14. One end of the feeding pipe 14 extends out of the furnace body 1 and is connected with a plug 15 by bolts. A plug cock is connected in the discharge port by bolts. By unscrewing the plug 15 and the plug cock, it is convenient to discharge the alloy melt after stirring and slag skimming, so as to facilitate the next step of pouring into the steel mold.

[0022] In an embodiment of the present application, preferably, the slag scraping member 7 includes a vertical rod 71 and a deflector 72. The deflector 72 is fixed to the bottom of the vertical rod 71. The top of the vertical rod 71 is fixedly connected to the collar 17. One side of the deflector 72 is inclined. The deflector 72 is located below the through hole 6. By driving the collar 17 to rotate through the rotating shaft 4, the deflector 72 is driven to rotate. By rotating the deflector 72, the waste slag at the liquid level of the alloy melt is moved through the through hole 6 into the annular groove 3.

[0023] In an embodiment of the present application, preferably, support rings 16 are respectively fixed to the inner wall of the furnace body 1 and the outside of the inner furnace 2. The annular screen 8 is detachably arranged on the upper sides of the two support rings 16. The annular screen 8 is placed on the two support rings 16, so as to facilitate the removal and cleaning of the annular screen 8 from the support rings 16.

[0024] When the present utility model is in use, by pouring the alloy melt into the inner furnace 2 in the furnace body 1 of the device, starting the motor 11 to drive the rotating shaft 4 to rotate, and the rotating shaft 4 drives the stirring rod 5 to rotate, so as to play a role in stirring and mixing. By making the liquid level of the alloy melt slightly lower than the through hole 6, the rotating shaft 4 drives the collar 17 and the slag scraping member 7 to rotate. One side of the deflector 72 on the slag scraping member 7 is inclined, which can scrape the waste slag and part of the alloy melt generated on the alloy melt into the through hole 6, playing a role in slag scraping and purification. Thus, the part of the alloy melt containing waste slag enters the annular screen 8 in the annular groove 3. The waste slag is filtered by the annular screen 8, playing a role in secondary slag removal and purification. Thus, high-quality high-strength aluminum-iron alloy is produced. Unscrewing the sealing plug 15 and the cock can facilitate the discharge of the alloy melt after stirring and slag scraping, so as to facilitate the next step of pouring into the steel mold. The two semi-circular covers 12 can facilitate the shielding and protection of the top of the furnace body 1.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and are not intended to limit them. Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. And these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A high-performance aluminum-iron alloy fractional purification device, comprising a furnace body (1), characterized in that, An inner furnace (2) is fixed to the inner bottom wall of the furnace body (1). An annular groove (3) is provided between the inner furnace (2) and the side wall of the furnace body (1). A rotatable rotating shaft (4) is coaxially arranged in the furnace body (1). The bottom of the rotating shaft (4) extends into the inner furnace (2) and is fixed with a stirring rod (5). A plurality of through holes (6) arranged in an annular array are formed in the inner furnace (2). A collar (17) is fixed on the rotating shaft (4). A plurality of slag skimming members (7) are arranged on the collar (17). An annular screen (8) is arranged in the annular groove (3). The bottoms of the slag skimming members (7) and the annular screen (8) are both located below the through holes (6). One side of the bottom of the furnace body (1) is provided with a discharge port, and the discharge port is communicated with the inside of the annular groove (3).

2. The high-performance aluminum-iron alloy fractional purification device according to claim 1, characterized in that: A ring cover (9) is connected to the top of the furnace body (1) by bolts. A support beam (10) is fixedly connected to the upper side of the ring cover (9). A motor (11) is fixedly installed through the middle of the support beam (10). The output end of the motor (11) is fixedly connected to the top of the rotating shaft (4).

3. The high-performance aluminum-iron alloy fractional purification device according to claim 2, characterized in that: Two semi-circular covers (12) are hinged at the inner edge of the ring cover (9). A notch for the rotating shaft (4) to pass through is provided on one side of the semi-circular cover (12). The two semi-circular covers (12) are arranged oppositely.

4. The high-performance aluminum-iron alloy fractional purification device according to claim 1, characterized in that: A plurality of legs (13) arranged in an annular array are fixed to the bottom of the furnace body (1). One side of the bottom of the inner furnace (2) is fixedly communicated with a feeding pipe (14). One end of the feeding pipe (14) extends out of the furnace body (1) and is connected with a plug (15) by bolts. A cock is connected to the discharge port by bolts.

5. The high-performance aluminum-iron alloy fractional purification device according to claim 1, characterized in that: The slag skimming member (7) includes a vertical rod (71) and a dial (72). The dial (72) is fixed to the bottom of the vertical rod (71). The top of the vertical rod (71) is fixedly connected to the collar (17). One side of the dial (72) is inclined. The dial (72) is located below the through hole (6).

6. The high-performance aluminum-iron alloy fractional purification device according to claim 1, characterized in that: Support rings (16) are respectively fixed to the inner wall of the furnace body (1) and the outer side of the inner furnace (2). The annular screen (8) is detachably arranged on the upper sides of the two support rings (16).

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