Slag treatment device for aluminum scrap smelting

Abstract

The utility model belongs to the technical field of aluminum scrap smelting, and particularly relates to a slag treatment device for aluminum scrap smelting, which comprises a smelting furnace, a stirring mechanism and a slagging-off mechanism are arranged in the smelting furnace, and a dust collection mechanism is arranged above the smelting furnace. The stirring mechanism comprises a stirring shaft, and the stirring mechanism realizes the action that the stirring shaft stirs molten aluminum; the slagging-off mechanism comprises a slagging-off plate, and the action that the slagging-off plate removes scum on the surface of the liquid is achieved through the slagging-off mechanism; the dust collection mechanism comprises a dust collection pipe and achieves the action that the dust collection pipe cleans soot. According to the slag treatment device for aluminum scrap smelting, the slagging-off mechanism is arranged to drive a transmission shaft to rotate, transmission chain wheels are fixedly connected to the two sides of a driven shaft, the transmission chain wheels on the same side are in transmission connection through chains, and a slagging-off plate is fixedly connected between the two chains; and the slagging-off plate does reciprocating rotary motion to scrape out aluminum slag floating on the surface from the furnace door where the sliding switch is controlled by the hydraulic rod, and the problem that an existing device is low in slagging-off efficiency is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste aluminum smelting, in particular to a slag processing device for waste aluminum smelting. Background Art

[0002] An aluminum scrap smelting equipment with slag removal and waste gas treatment device (Announcement No.: CN205501385U) disclosed on the Chinese patent website solves the problem that impurities may appear in the traditional smelting process. If they are not removed in time, the purity of the aluminum after smelting will be affected; high-temperature waste gas will be produced during the smelting process. If these high-temperature waste gases are directly discharged without treatment, it will cause waste of resources and environmental pollution. However, the following problems still exist:

[0003] In actual use, aluminum waste is smelted in a smelting furnace to remove impurities therein and improve the purity of the aluminum; the slag scraping plate is driven by the first motor to move left and right, and the slag melted from the aluminum waste is concentrated on the slag scraping plate, and the first hydraulic device is used to rise to remove the slag and clean it, and then the slag scraping operation is repeated. This operation method has a low slag scraping efficiency and is therefore inconvenient to use. Utility Model Content

[0004] Based on the technical problem of low slag removal efficiency of existing devices, the utility model proposes a slag treatment device for scrap aluminum smelting.

[0005] The utility model provides a slag treatment device for waste aluminum smelting, comprising a smelting furnace, wherein a stirring mechanism and a slag removal mechanism are arranged inside the smelting furnace, and a dust collection mechanism is arranged above the smelting furnace;

[0006] The stirring mechanism is located inside the slag scraping mechanism, and the dust collecting mechanism is located outside the slag scraping mechanism;

[0007] The stirring mechanism comprises a stirring shaft, and the stirring mechanism realizes the action of the stirring shaft stirring the aluminum liquid;

[0008] The slag scraping mechanism comprises a slag scraping plate, and the slag scraping mechanism enables the slag scraping plate to scrape off the slag on the surface of the liquid;

[0009] The dust suction mechanism comprises a dust suction pipe, and the dust suction mechanism enables the dust suction pipe to clean the soot.

[0010] Preferably, the stirring mechanism also includes a mounting plate, a stirring cylinder and a guide column are fixedly connected to the surface of the smelting furnace, the surface of the mounting plate is fixedly connected to the output shaft of the stirring cylinder, the surface of the mounting plate is slidingly connected to the surface of the guide column, the surface of the mounting plate is fixedly connected to the stirring motor, the output shaft of the stirring motor is fixedly connected to the surface of the stirring shaft through a coupling, and the surface of the stirring shaft is fixedly connected to a baffle.

[0011] Preferably, the slag scraping mechanism also includes a transmission sprocket, a transmission shaft is provided on the inner wall of the smelting furnace, two ends of the multiple transmission shafts are respectively rotatably connected to the two sides of the inner wall of the smelting furnace, the surface of the transmission shaft is fixedly connected to the surface of the transmission sprocket, the surface of the transmission sprocket is provided with a chain, the surfaces of the multiple transmission sprockets are connected through the chain transmission, the two transmission sprockets are symmetrically distributed with the axis of the transmission shaft as the center, the surfaces of the two chains are fixedly connected to the surface of the slag scraping plate, the surface of the smelting furnace is fixedly connected with, and the output shaft is fixedly connected to the surface of the transmission shaft through a coupling.

[0012] Preferably, the dust collection mechanism further comprises a dust collection hood, the surface of the dust collection hood is fixedly connected to the surface of the smelting furnace, and the surface of the dust collection hood is fixedly connected to the surface of the dust collection pipe.

[0013] Preferably, a furnace door is slidably connected to the surface of the smelting furnace, a hydraulic rod is fixedly connected to the surface of the smelting furnace, the surface of the furnace door is fixedly connected to the surface of the hydraulic rod, a hydraulic gate valve and a flow channel are fixedly connected to the surface of the smelting furnace, a flamethrower is fixedly connected to the surface of the smelting furnace, and the inner wall of the flamethrower is fixedly connected to the inner wall of the smelting furnace.

[0014] Preferably, a control box is fixedly connected to the surface of the smelting furnace, and the control box is electrically connected to the hydraulic rod, the slag removal motor, the flamethrower, the stirring cylinder, the stirring motor, and the hydraulic gate valve respectively.

[0015] The beneficial effects of the present invention are:

[0016] A slag scraping mechanism is provided to drive the transmission shaft to rotate, and transmission sprockets are fixedly connected on both sides of the driven shaft. The transmission sprockets on the same side are connected by chain transmission, and a slag scraping plate is fixedly connected between the two chains. The slag scraping plate performs reciprocating rotation to scrape the aluminum slag floating on the surface out of the furnace door controlled by the sliding switch of the hydraulic rod, thereby solving the technical problem of low slag scraping efficiency of the existing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of a slag treatment device for scrap aluminum smelting proposed by the utility model;

[0018] Figure 2 This is a front view of the furnace door structure of a slag treatment device for scrap aluminum smelting proposed by the utility model;

[0019] Figure 3 This is a right view of the transmission sprocket structure of a slag processing device for scrap aluminum smelting proposed by the utility model.

[0020] In the figure: 1, smelting furnace; 2, stirring shaft; 3, slag removal plate; 4, dust suction pipe; 201, mounting plate; 202, stirring cylinder; 203, guide column; 204, stirring motor; 205, baffle; 301, transmission sprocket; 302, transmission shaft; 303, chain; 304, slag removal motor; 401, dust suction hood; 5, furnace door; 6, hydraulic rod; 7, hydraulic gate valve; 8, flow channel; 9, flamethrower; 10, control box. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-Figure 3 A slag treatment device for scrap aluminum smelting includes a smelting furnace 1, a stirring mechanism and a slag removal mechanism are arranged inside the smelting furnace 1, and a dust collection mechanism is arranged above the smelting furnace 1;

[0023] The stirring mechanism is located inside the slag removal mechanism, and the dust collection mechanism is located outside the slag removal mechanism;

[0024] The stirring mechanism includes a stirring shaft 2, and the stirring mechanism realizes the action of stirring the aluminum liquid by the stirring shaft 2;

[0025] The slag scraping mechanism includes a slag scraping plate 3, and the slag scraping mechanism realizes the action of the slag scraping plate 3 scraping off the slag on the surface of the liquid;

[0026] The dust suction mechanism comprises a dust suction pipe 4 , and the dust suction mechanism enables the dust suction pipe 4 to clean the soot.

[0027] The stirring mechanism also includes a mounting plate 201, a stirring cylinder 202 and a guide column 203 are fixedly connected to the surface of the smelting furnace 1, the surface of the mounting plate 201 is fixedly connected to the output shaft of the stirring cylinder 202, the surface of the mounting plate 201 is slidingly connected to the surface of the guide column 203, the surface of the mounting plate 201 is fixedly connected to the stirring motor 204, the output shaft of the stirring motor 204 is fixedly connected to the surface of the stirring shaft 2 through a coupling, and the surface of the stirring shaft 2 is fixedly connected to a baffle 205.

[0028] Furthermore, the stirring shaft 2 is raised and lowered to enter the aluminum liquid to stir and accelerate smelting.

[0029] The slag removal mechanism also includes a transmission sprocket 301. A transmission shaft 302 is provided on the inner wall of the smelting furnace 1. Both ends of the multiple transmission shafts 302 are rotatably connected to the two sides of the inner wall of the smelting furnace 1 respectively. The surface of the transmission shaft 302 is fixedly connected to the surface of the transmission sprocket 301. The surface of the transmission sprocket 301 is provided with a chain 303. The surfaces of the multiple transmission sprockets 301 are transmission-connected through the chain 303. The two transmission sprockets 301 are symmetrically distributed with the axis of the transmission shaft 302 as the center. The surfaces of the two chains 303 are fixedly connected to the surface of the slag removal plate 3. A slag removal motor 304 is fixedly connected to the surface of the smelting furnace 1. The output shaft of the slag removal motor 304 is fixedly connected to the surface of the transmission shaft 302 through a coupling.

[0030] Furthermore, the slag scraping plate 3 reciprocates on the surface of the aluminum liquid to scrape the aluminum slag out from the furnace door 5.

[0031] By setting up a slag scraping mechanism, the slag scraping motor 304 drives the transmission shaft 302 to rotate, and the transmission sprockets 301 are fixedly connected on both sides of the driven shaft. The transmission sprockets 301 on the same side are connected through a chain 303. A slag scraping plate 3 is fixedly connected between the two chains 303. The slag scraping plate 3 performs reciprocating rotation to scrape the aluminum slag floating on the surface from the furnace door 5 controlled by the sliding switch of the hydraulic rod 6, thereby solving the technical problem of low slag scraping efficiency of the existing device.

[0032] The dust collection mechanism further includes a dust collection hood 401 , the surface of which is fixedly connected to the surface of the smelting furnace 1 , and the surface of the dust collection hood 401 is fixedly connected to the surface of the dust collection pipe 4 .

[0033] Furthermore, the aluminum slag is scraped out and the aluminum ash is cleaned.

[0034] A furnace door 5 is slidably connected to the surface of the smelting furnace 1, a hydraulic rod 6 is fixedly connected to the surface of the smelting furnace 1, the surface of the furnace door 5 is fixedly connected to the surface of the hydraulic rod 6, a hydraulic gate valve 7 and a flow channel 8 are fixedly connected to the surface of the smelting furnace 1, a flamethrower 9 is fixedly connected to the surface of the smelting furnace 1, and the inner wall of the flamethrower 9 is fixedly connected to the inner wall of the smelting furnace 1.

[0035] Furthermore, the inlet and outlet hoppers of the smelting furnace 1 are controlled by a hydraulic gate valve 7 .

[0036] A control box 10 is fixedly connected to the surface of the smelting furnace 1 , and the control box 10 is electrically connected to the hydraulic rod 6 , the slag removal motor 304 , the flamethrower 9 , the stirring cylinder 202 , the stirring motor 204 , and the hydraulic gate valve 7 , respectively.

[0037] Furthermore, the control box 10 automatically completes the smelting action according to the process requirements.

[0038] Working principle:

[0039] Before use, the scrap aluminum to be smelted is put into the smelting furnace 1 through the furnace door 5, the hydraulic rod 6 drives the furnace door 5 to close, the flamethrower 9 ignites and starts to melt the scrap aluminum, when the temperature in the smelting furnace 1 rises to turn the scrap aluminum into a molten state, the stirring cylinder 202 drives the stirring shaft 2 to move downward into the aluminum liquid, the stirring motor 204 drives the stirring shaft 2 to rotate, so that the aluminum liquid is mixed evenly and the aluminum liquid is melted faster, and the stirring action is completed. The stirring motor 204 stops, the stirring cylinder 202 drives the stirring shaft 2 to rise, and the slag removal motor 304 drives the transmission shaft 302 to rotate, and the surface of the transmission shaft 302 is solid. A transmission sprocket 301 is fixedly connected, and multiple transmission sprockets 301 are connected through a chain 303. A slag scraping plate 3 is fixedly connected to the surface of the chain 303. The slag scraping plate 3 performs a reciprocating slag scraping motion, and the hydraulic rod 6 contracts to open the furnace door 5. The slag scraping plate 3 scrapes the floating slag from the furnace door 5, and the dust suction mechanism is opened. The slag ash at the furnace door 5 enters the dust suction pipe 4. After the slag scraping is completed, the slag scraping motor 304 is turned off, and additives are added from the furnace door 5 to close the furnace door 5. The stirring and slag scraping action is repeated according to the process requirements. After the smelting is completed, the hydraulic gate valve 7 is opened, and the aluminum liquid is discharged from the hydraulic gate valve 7 through the flow channel 8.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A slag treatment device for scrap aluminum smelting, comprising a smelting furnace (1), Features: The smelting furnace (1) is provided with a stirring mechanism and a slag removal mechanism inside, and a dust collection mechanism is provided above the smelting furnace (1); The stirring mechanism is located inside the slag scraping mechanism, and the dust collecting mechanism is located outside the slag scraping mechanism; The stirring mechanism comprises a stirring shaft (2), and the stirring mechanism enables the stirring shaft (2) to stir the aluminum liquid; The slag scraping mechanism comprises a slag scraping plate (3), and the slag scraping mechanism enables the slag scraping plate (3) to scrape off the slag on the surface of the liquid; The dust suction mechanism comprises a dust suction pipe (4), and the dust suction mechanism enables the dust suction pipe (4) to clean the soot.

2. A slag treatment device for scrap aluminum smelting according to claim 1, Features: The stirring mechanism also includes a mounting plate (201), a stirring cylinder (202) and a guide column (203) are fixedly connected to the surface of the smelting furnace (1), the surface of the mounting plate (201) is fixedly connected to the output shaft of the stirring cylinder (202), the surface of the mounting plate (201) is slidably connected to the surface of the guide column (203), the surface of the mounting plate (201) is fixedly connected to the stirring motor (204), the output shaft of the stirring motor (204) is fixedly connected to the surface of the stirring shaft (2) through a coupling, and the surface of the stirring shaft (2) is fixedly connected to a baffle (205).

3. A slag treatment device for scrap aluminum smelting according to claim 2, Features: The slag removal mechanism further comprises a transmission sprocket (301), a transmission shaft (302) is arranged on the inner wall of the smelting furnace (1), two ends of the plurality of transmission shafts (302) are respectively rotatably connected to the two sides of the inner wall of the smelting furnace (1), the surface of the transmission shaft (302) is fixedly connected to the surface of the transmission sprocket (301), a chain (303) is arranged on the surface of the transmission sprocket (301), the surfaces of the plurality of transmission sprockets (301) are transmission-connected via the chain (303), two transmission sprockets (301) are symmetrically distributed with the axis of the transmission shaft (302) as the center, the surfaces of the two chains (303) are fixedly connected to the surface of the slag removal plate (3), a slag removal motor (304) is fixedly connected to the surface of the smelting furnace (1), and the output shaft of the slag removal motor (304) is fixedly connected to the surface of the transmission shaft (302) via a coupling.

4. A slag treatment device for scrap aluminum smelting according to claim 1, Features: The dust collection mechanism further comprises a dust collection hood (401), the surface of the dust collection hood (401) being fixedly connected to the surface of the smelting furnace (1), and the surface of the dust collection hood (401) being fixedly connected to the surface of the dust collection pipe (4).

5. A slag treatment device for scrap aluminum smelting according to claim 3, Features: The surface of the smelting furnace (1) is slidably connected to a furnace door (5), the surface of the smelting furnace (1) is fixedly connected to a hydraulic rod (6), the surface of the furnace door (5) is fixedly connected to the surface of the hydraulic rod (6), the surface of the smelting furnace (1) is fixedly connected to a hydraulic gate valve (7) and a flow channel (8), the surface of the smelting furnace (1) is fixedly connected to a flamethrower (9), and the inner wall of the flamethrower (9) is fixedly connected to the inner wall of the smelting furnace (1).

6. A slag treatment device for scrap aluminum smelting according to claim 5, Features: A control box (10) is fixedly connected to the surface of the smelting furnace (1), and the control box (10) is electrically connected to the hydraulic rod (6), the slag removal motor (304), the flamethrower (9), the stirring cylinder (202), the stirring motor (204), and the hydraulic gate valve (7).

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