CN111979429A - Dross removal mechanism is retrieved to aluminium scrap - Google Patents

Dross removal mechanism is retrieved to aluminium scrap Download PDF

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Publication number
CN111979429A
CN111979429A CN201911296293.1A CN201911296293A CN111979429A CN 111979429 A CN111979429 A CN 111979429A CN 201911296293 A CN201911296293 A CN 201911296293A CN 111979429 A CN111979429 A CN 111979429A
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CN
China
Prior art keywords
stirring roller
furnace
roller furnace
ash
scraping shovel
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CN201911296293.1A
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Chinese (zh)
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CN111979429B (en
Inventor
白培康
霍鹏丞
赵占勇
张文达
刘斌
李玉新
王建宏
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North University of China
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North University of China
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Publication of CN111979429A publication Critical patent/CN111979429A/en
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B21/00Obtaining aluminium
    • C22B21/0038Obtaining aluminium by other processes
    • C22B21/0069Obtaining aluminium by other processes from scrap, skimmings or any secondary source aluminium, e.g. recovery of alloy constituents
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/001Dry processes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/02Working-up flue dust
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The invention relates to the technical field of metal smelting recovery, in particular to a scrap aluminum recovery deslagging device, which comprises a stirring roller furnace, a hopper, an ash scraping shovel, a driving wheel, a driven wheel, a rotating wheel, a hydraulic support, a multistage filter and a conveying device, wherein electromagnetic stirring devices and thermocouples for temperature measurement are arranged in the wall of the stirring roller furnace in a staggered manner; the telescopic ash scraping shovel is positioned in the stirring roller furnace, the inner part of the ash scraping shovel adopts a hollow structure, and the bottom of the ash scraping shovel adopts a porous structure; the hopper is positioned right above the upper surface of the ash scraping shovel at the furnace mouth of the stirring roller; the main and driven shafts are positioned below two sides of the stirring roller furnace, a hydraulic support is arranged right below a pillar at the rear end of the stirring roller furnace, a crusher and a multi-stage filter are arranged right below a furnace mouth of the stirring roller furnace, and a conveying device is arranged below the multi-stage filter; the invention can improve the operation environment and the degree of automation in the process of recovering and deslagging the waste aluminum, and simultaneously improve the removal rate of aluminum ash.

Description

Dross removal mechanism is retrieved to aluminium scrap
Technical Field
The invention relates to the technical field of metal smelting recovery, in particular to a scrap aluminum recovery deslagging device.
Background
In aluminum processing, particularly in aluminum alloy manufacturing, to obtain high-quality and high-purity aluminum ingots or aluminum alloys, various solvents, refining agents and the like are generally added in the smelting process, and after the solid solvents and the refining agents are melted, the solid solvents and the refining agents react with impurities in the melt, so that a certain amount of dross, commonly called aluminum ash, is formed on the upper surface of the melt. According to the European hazardous waste catalogue, the aluminum ash belongs to toxic and hazardous waste, the direct stockpiling of the aluminum ash not only occupies a large amount of cultivated land, but also can slowly accumulate salt and alkali in soil to cause salinization, and disturb normal physiological activities of peripheral plant roots; barium, chromium and lead in the aluminum ash can also cause the exceeding of heavy metals in soil and pollute underground water (because the aluminum ash contains a large amount of AlN and AlCl) 3Ammonia gas, polluting the air, is produced by reaction with water). In addition, the aluminum ash contains a large amount of metallic aluminum, and according to statistics, about 40000 t of metallic aluminum in the aluminum ash generated every year in China is not effectively recycled, which is equivalent to the production scale of a medium-sized and small-sized aluminum smelting enterprise.
At present, typical methods for recovering metallic aluminum from aluminum ash include a stir-fry recovery method, a tilting rotary kiln method and a press recovery method, but some of these methods generate a large amount of harmful gas and pollute the environment, some of these methods have a low recovery rate and a high cost although the operation is simple, and some of these methods have a low recovery rate although the operation environment is good and the degree of automation is high. Therefore, the research and development of the high-efficiency special aluminum scrap recycling and deslagging equipment becomes a priority of aluminum smelting and aluminum processing enterprises, especially secondary aluminum enterprises.
Disclosure of Invention
In order to solve the problems, the invention provides a waste aluminum recovery deslagging device which can remove aluminum ash in a stirring roller furnace as clean as possible, fully separate waste slag in the aluminum ash from the aluminum ash, and then recover and reuse the aluminum ash.
In order to achieve the purpose, the invention provides the following technical scheme:
The utility model provides a dross removal mechanism is retrieved to aluminium scrap, includes stirs and rolls stove, hopper, hydraulic stem, scrapes grey shovel, driving shaft, driven shaft, runner, motor, hydraulic support, breaker and multi-stage filter etc. device.
The furnace wall of the stirring roller furnace is internally provided with an electromagnetic stirrer and a thermocouple for temperature measurement, the electromagnetic stirrer and the thermocouple are arranged in a staggered manner, the outer wall surface which is at a certain distance from the furnace mouth of the stirring roller furnace is provided with a circle of meshing gears, and the outer wall surface which is at a certain distance from the furnace bottom end of the stirring roller furnace is provided with a circle of meshing gears.
The ash scraping shovel can be placed in the stirring roller furnace;
the ash scraping shovel is internally designed to be of a hollow structure, the lower part of the hollow structure of the shovel is of a porous structure so as to be convenient for introducing ammonia gas and conveying a slag removing agent, and the upper surface of the ash scraping shovel is provided with an arc-shaped channel for conveying aluminum ash; the front end of the ash scraping shovel is provided with a high-temperature resistant net-shaped scraper so as to scrape out aluminum slag in molten aluminum; the ash scraping shovel is connected with the hydraulic rod, and the hydraulic rod is connected with the air inlet tank and used for stretching the ash scraping shovel so as to scrape aluminum ash conveniently.
An electromagnetic switch and two hydraulic rods are installed at the upper end of the support, and the electromagnetic switch automatically controls the opening and closing of the hopper opening.
The hopper is positioned at the mouth of the stirring roller furnace and right above the ash scraping shovel and can convey the contained aluminum ash into the stirring roller furnace; a rotating rod is arranged at the center of the bottom of the stirring roller furnace, two ends of the rotating rod are respectively provided with a bearing, and a hydraulic support is arranged right below a pillar at the rear end of the stirring roller furnace and used for lifting the stirring roller furnace; a base plate is arranged below the stirring roller furnace, a driving shaft is arranged on the right side of the base plate, a driven shaft is arranged on the left side of the base plate (along the direction of a stirring roller furnace opening), and bearings and meshing gears are arranged at two ends of the driving shaft and the driven shaft, so that the driving shaft and the driven shaft can rotate under the action of the bearings and are meshed with two circles of gears on the outer wall surface of the stirring roller furnace, the stirring roller furnace and the driven shaft can rotate along with the driving shaft along the direction of an inclined plane, and the stirring roller furnace is restrained; the motor is arranged on the lower side of the front end of the driving shaft along the direction of the stirring roller furnace mouth, the belt transmission device of the motor is arranged above the motor, and the rotating wheel is arranged on the driving shaft matched with the bearing.
Install cracker and multi-stage filter under the mouth of a stove is rolled in the stirring, breaker export and the import butt joint of multi-stage filter device to remove the cinder and retrieve the aluminium waste ash, multi-stage filter left side ann has electromagnetic vibrator, filters the aluminium ash completely, installs the conveyer belt simultaneously under multi-stage filter, is equipped with two recycling bins that hold side by side between conveyer belt and multi-stage filter, in order to convey gained waste residue and recovery aluminium.
The crusher adopts a double-roller design, and aluminum ash scraped from the stirring roller furnace is crushed through the opposite movement of the two cylindrical rollers and the distance between the two cylindrical rollers.
The multistage filter adopts filter sieves of 250 micrometers, 200 micrometers and 50 micrometers, the filter sieves are inclined by 15 degrees, 20 degrees and 25 degrees from top to bottom, the right sides of the filter sieves with three different apertures are respectively provided with an opening, the three openings are respectively connected with a slag discharging pipe, and the tail end of the slag discharging pipe is provided with a corresponding slag collecting barrel.
The conveyer belt conveys from front to back, and the screened aluminum ash is timely recycled.
Compared with the prior art, the invention has the following beneficial effects:
(1) by the aid of the electromagnetic stirring devices, the thermocouples and the specially designed ash scrapers which are arranged in the stirring roller furnace in a staggered mode, most of heat generated in the furnace chamber can be used for melting aluminum, and the temperature of each part in the furnace can be measured in real time, so that the temperature of the smelting furnace is more stable and controllable in the smelting process, and the smelting efficiency of the aluminum is improved;
(2) in the process of recycling and deslagging the waste aluminum, the operation environment is improved, the automation degree is improved, and meanwhile, the removal rate of aluminum ash is improved through the ash scraping shovel with a special structure;
(3) The crusher and the multistage filter are used, so that the problem of low recovery rate of the aluminum ash is solved, the aluminum ash is recycled, the cost is reduced, and the pollution to the environment is reduced.
Drawings
FIG. 1 is a schematic structural view of a scrap aluminum recovery and deslagging device provided by the invention;
FIG. 2 is a three-dimensional axial view of the dust scraper;
FIG. 3(a) is a front view of the driving and driven shafts below the left and right sides of the agitating roller furnace, and FIG. 3(b) is a side view of the motor connected to the pulley on the driving shaft;
FIG. 4 is a schematic view of the conveyor belt and the recycling bin;
fig. 5 is a front view of the hydraulic mount.
1-a hopper; 2. 4, 5-hydraulic rod; 3-an electromagnetic switch; 6-gas inlet tank; 7-ash scraping shovel; 8-a porous scraper; 9-a scaffold; 10-stirring and rolling the furnace; 11-two rings of meshing gears attached to the outer wall of the stirring roller; 12-an electromagnetic stirrer; 13-a thermocouple; 14-bearing one; 15-gear; 16-bearing two; 17-a drive shaft; 18-a motor; 19-belt drive of the motor; 20-a rotating wheel; 21-a hydraulic support; 22-a crusher; 23-a cylindrical roller; 24-a belt; 25-a multistage filter; 26-an electromagnetic vibrator; a filter sieve of 27-250 μm; a filter sieve of 28-200 μm; 29-50 μm filter sieve; 30-a slag pipe; 31-a recycling bin; 32-a conveyor belt; 33-slag collecting barrel.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention are described below with reference to the accompanying drawings, it is obvious that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
The main body of the waste aluminum recovery deslagging device is a stirring ash scraping and recovering device, the stirring ash scraping device mainly comprises a stirring roller furnace 10, a hopper 1 and an ash scraping shovel 7, and electromagnetic stirrers 12 and thermocouples 13 for temperature measurement which are distributed in a staggered mode are arranged in the wall of the stirring roller furnace 10, so that the temperature of a smelting furnace is more stable and controllable, and the smelting efficiency of aluminum is improved; a hydraulic support 21 is arranged below the rear side of the stirring roller furnace 10, the hydraulic support 21 is made of 316L stainless steel and can bear 150Mpa, a rotating rod is arranged at the center of the bottom of the stirring roller furnace 10, two bearings 14 are arranged on two sides of the rotating rod respectively, a base plate is arranged below the stirring roller furnace 10, a driving shaft 17 is arranged on the right side of the base plate, a driven shaft (along the direction of a stirring roller furnace opening) is arranged on the left side of the base plate, a bearing II 16 and a meshing gear 15 are arranged at two ends of a driving shaft and a driven shaft, so that the driving shaft and the driven shaft can rotate under the action of the bearings and are meshed with two rings of gears on the outer wall surface of the stirring roller furnace 10, the stirring roller furnace 10 and the driven shaft rotate along with the driving shaft 17 along the inclined surface direction, and the; a motor 18 is arranged on the lower side of the front end of the driving shaft 17 along the direction of the opening of the stirring roller furnace 10, a belt transmission device 19 of the motor is arranged above the motor, and a rotating wheel 20 is arranged on the driving shaft 17 matched with the bearing.
An ash scraping shovel 7 is arranged in the stirring roller furnace 10, and a high-temperature-resistant mesh scraper 8 is arranged at the front end of the ash scraping shovel 7; the ash scraping shovel 7 is connected with the hydraulic rod 5, and the hydraulic rod 5 is connected with the bracket 9 and used for stretching the ash scraping shovel 7 along the direction of the furnace mouth so as to scrape aluminum ash conveniently; the ash scraping shovel 7 is of a hollow structure in the inner design, the lower portion of the shovel hollow structure is of a porous structure (figure 2) so as to facilitate ammonia gas introduction and slag removal agent conveying, and an arc-shaped channel (figure 2 a) is arranged on the upper surface of the ash scraping shovel and used for conveying aluminum ash. A feeding device hopper 1 is arranged right above the ash scraping shovel 7, and raw materials to be melted flow into the stirring roller furnace 10 along the arc-shaped upper surface of the ash scraping shovel 7.
The recycling apparatus mainly includes a crusher 22, a multistage filter 25, and a recycling bin 31.
The stirring roller furnace 10 is butted with a recovery device 22/25/31, the mouth of the stirring roller furnace can rotate between 45 degrees below zero and 45 degrees, the two cylindrical rollers 23 of the crusher 22 are made of 316L stainless steel, the two cylindrical rollers 23 are connected through a belt 24, the distance between the two cylindrical rollers is 10-15mm, the outlet of the crusher 22 is butted with the inlet of the multi-stage filter 25, the multi-stage filter 25 is made of transparent inorganic high-strength borosilicate glass, a 250 mu m, 200 mu m and 50 mu m filter screen 27/28/29 is arranged in the multi-stage filter 25 from top to bottom, the right sides of the three filter screens with different apertures are respectively provided with an opening, each opening is connected with a slag discharge pipe 30, and the tail end of each slag discharge pipe 30 is provided with a corresponding slag collection barrel 33; multistage filter 25 left side installation electromagnetic vibrator 26 will be greater than the waste residue in filter sieve aperture through vibrating and action of gravity and get rid of through the pipe of slagging tap, filters the aluminium ash completely, installs conveyer belt 32 under multistage filter 25 simultaneously, is equipped with two between conveyer belt 32 and multistage filter 25 and discharges recycling bin 31, can in time retrieve the qualified aluminium ash.
This dross removal mechanism is retrieved to aluminium scrap main theory of operation: the feeding device hopper 1 flows the raw materials to be melted into the stirring roller furnace 10 through the arc-shaped upper surface of the ash scraping shovel 7, and after reaching a certain degree, the electromagnetic switch 3 can control the hydraulic rod 2 of the hopper 1 to shrink through the electromagnetic induction system, so that the feeding port of the hopper 1 is closed in time, and feeding is stopped.
When the hopper 1 stops feeding, the motor 18 is automatically started, the belt pulley attached to the driving shaft is driven by the belt transmission device to enable the driving shaft 17 to rotate, the front gear 15 and the rear gear 15 on the driving shaft 17 are meshed with the two circles of meshed gears 11 attached to the outer wall of the stirring roller furnace, the stirring roller furnace 10 and the driven shaft are driven to rotate along the central shaft of the stirring roller furnace, and raw materials in the stirring roller furnace 10 are melted; the molten liquid in the furnace is fully stirred and melted by an electromagnetic stirrer 12, and a thermocouple 13 for measuring the temperature measures and controls the real-time temperature of each part of the molten liquid in the furnace in real time, so as to ensure that the temperature of each part of the molten liquid reaches the melting temperature of the molten liquid.
When the molten liquid in the stirring roller furnace 10 lasts for a period of time, a certain amount of aluminum ash is generated on the upper surface of the molten liquid, and at this time, the hydraulic rod of the hydraulic support 21 below the rear part of the stirring roller furnace 10 is slowly lifted (the schematic diagram of the hydraulic support is shown in fig. 5), so that the furnace mouth of the stirring roller furnace 10 corresponds to the feeding hole of the crusher 22, and a convenient condition is provided for scraping the aluminum ash; meanwhile, the hydraulic rod 5 can automatically extend into the furnace chamber of the stirring roller furnace 10 through the electromagnetic induction system of the electromagnetic switch 3, the electromagnetic switch 3 controls the gas inlet tank 6 to convey argon or slag removing agent in the gas inlet tank 6 into the stirring roller furnace 10 through the ash scraping shovel 7 with a hollow structure (the structure of the ash scraping shovel and the schematic diagram of gas inlet and outlet are shown in fig. 2), so that convenient forming conditions are provided for residual aluminum slag in aluminum liquid, and the aluminum slag is removed more fully;
When the aluminum slag in the stirring roller furnace 10 is completely formed, the hydraulic rod 5 controls the ash scraping shovel 7 to do telescopic motion along the furnace mouth of the stirring roller furnace 10, and the net-shaped scraper 8 is used for timely scraping out the aluminum slag floating in the aluminum liquid; when the scraper 8 can not float on the aluminum liquid surface, the ash scraping shovel 7 can control the ash scraping shovel 7 to move in the vertical direction through the vertical hydraulic rod 4 and the electromagnetic induction system of the electromagnetic switch 3, and the scraper 8 is timely controlled to be in full contact with the aluminum liquid surface.
When the aluminum slag in the stirring roller furnace 10 is completely removed, the electromagnetic induction switch 3 can timely control the extension of the hydraulic rod 4 and the hydraulic rod 5, the ash scraping shovel 7 is automatically moved out of the furnace chamber of the stirring roller furnace 10, the hydraulic rod of the hydraulic support 21 can slowly descend, and the stirring roller furnace 10 is reset.
When the stirring roller furnace 10 is reset, the crusher 22 and the electromagnetic vibrator 26 are started simultaneously, the crusher 22 crushes the scraped aluminum ash slag through the two cylindrical rollers 23 at a distance of 10-50mm, the multistage filter 25 and the electromagnetic vibrator 26 filter the crushed aluminum ash with apertures of 250 μm, 200 μm and 50 μm, (a 250 μm filter screen is used in the screening process, the mass fraction of metal aluminum in the aluminum ash residue is increased by 50%, and AlN and AlCl are respectively added 3The mass fraction is reduced by 60%), the filter sieve adopts the inclination of 15 degrees, 20 degrees and 25 degrees from top to bottom, the waste residue with the aperture larger than that of the filter sieve is removed through the slag outlet pipe 30 under the action of vibration and gravity, and meanwhile, the filter residue conditions with different apertures and the normal use condition of the filter screen are observed in real time through the transparent multi-stage filter 25; finally, the aluminum ash enters a recovery barrel 31 on a conveyor belt 32 which moves back and forth below through a filter screen 29, and is collected in time, so that the recovery barrel can be replaced in time.
The above embodiments are only preferred technical solutions of the present invention, and are not intended to limit the present invention in any way. The present invention may be subject to any modification or variation as would occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A scrap aluminum recycling and deslagging device is characterized by comprising a stirring roller furnace (10), a hopper (1), a hydraulic rod (5), a dust scraping shovel (7), a support (9), a driving shaft (17), a driven shaft, a rotating wheel (20), a hydraulic support (21), a crusher (22), a multi-stage filter (25) and a conveying and recycling device, wherein an electromagnetic stirrer (12) and a thermocouple (13) for temperature measurement are arranged in the furnace wall of the stirring roller furnace (10), the magnetic stirrer (12) and the thermocouple (13) are arranged in a staggered manner, a circle of meshing gear (11) is arranged on the outer wall surface away from the furnace mouth of the stirring roller furnace (10) at a certain distance, a circle of meshing gear (11) is also arranged on the outer wall surface away from the bottom end at a certain distance, a rotating rod is arranged at the center of the bottom of the stirring roller furnace (10), bearings (14) are respectively arranged at two ends of the rotating rod, the hydraulic support (21) is arranged right below a supporting, a base plate is arranged below the stirring roller furnace (10), a driving shaft (17) is arranged on the right side of the base plate, a driven shaft is arranged on the left side of the base plate (along the direction of a stirring roller furnace opening), a second bearing (16) and a meshing gear (15) are arranged at two ends of the driving shaft and the driven shaft, a motor (18) is arranged on the driving shaft (17) along the lower side of the front end of the stirring roller furnace (10) in the direction of the stirring roller furnace opening, a belt transmission device (19) of the motor is arranged above the motor (18), and a rotating wheel (20) is arranged on the;
The ash scraping shovel (7) can be placed in the stirring roller furnace (10);
the bracket (9) is provided with an electromagnetic switch (3), a hydraulic rod (4) and a hydraulic rod (5);
the interior of the ash scraping shovel (7) is designed to be of a hollow structure, the bottom of the ash scraping shovel is of a porous structure, the upper surface of the ash scraping shovel adopts an arc-shaped channel, a high-temperature-resistant net-shaped scraper (8) is arranged at the front end of the ash scraping shovel (7), the ash scraping shovel (7) is connected with a hydraulic rod (5), and the hydraulic rod (5) is connected with an air inlet tank (6);
the hopper (1) is positioned right above the ash scraping shovel (7) at the furnace mouth of the stirring roller furnace (10), a hydraulic rod (2) is arranged in the hopper (1), and the driving and driven shafts are positioned below two sides of the stirring roller furnace (10);
a crusher (22) and a multi-stage filter (25) are installed right below a furnace opening of the stirring roller furnace (10), an outlet of the crusher (22) is in butt joint with an inlet of the multi-stage filter (25), a conveying belt (32) is arranged below the multi-stage filter (25), two recovery barrels (31) which are arranged side by side are arranged between the multi-stage filter (25) and the conveying belt (32), and an electromagnetic vibrator (26) is installed on the left side of the multi-stage filter (25);
the multistage filter (25) adopts filter sieves (27), (28) and (29) of 250 micrometers, 200 micrometers and 50 micrometers from top to bottom, the filter sieves are inclined at 15 degrees, 20 degrees and 25 degrees from top to bottom, the right sides of the three filter sieves with different apertures are respectively provided with an opening, the three openings are respectively connected with a slag discharging pipe (30), and the tail end of the slag discharging pipe (30) is provided with a corresponding slag collecting barrel (33).
2. The aluminum scrap recycling and deslagging device of claim 1, wherein the hopper (1) adopts an electromagnetic switch (3) to automatically control the hydraulic rod (2) to open and close the hopper opening.
3. The scrap aluminum recycling and removing device according to claim 1, wherein the hydraulic support (21) is made of 316L stainless steel and can bear 150MPa of load.
4. The scrap aluminum recycling and removing apparatus according to claim 1, wherein the crusher (22) is a double roller design, and the aluminum ash scraped from the mixing roller furnace is crushed by the movement of two cylindrical rollers toward each other and the distance between the two cylindrical rollers.
5. The scrap aluminum recycling and removing apparatus according to claim 1, wherein the multistage filter (25) is made of transparent inorganic high-strength borosilicate glass.
6. The scrap aluminum recycling and removal apparatus according to claim 1, wherein the conveyor belt (32) is arranged to convey back and forth.
CN201911296293.1A 2019-12-16 2019-12-16 Dross removal mechanism is retrieved to aluminium scrap Active CN111979429B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911296293.1A CN111979429B (en) 2019-12-16 2019-12-16 Dross removal mechanism is retrieved to aluminium scrap

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Application Number Priority Date Filing Date Title
CN201911296293.1A CN111979429B (en) 2019-12-16 2019-12-16 Dross removal mechanism is retrieved to aluminium scrap

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CN111979429A true CN111979429A (en) 2020-11-24
CN111979429B CN111979429B (en) 2022-05-13

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11256251A (en) * 1998-03-13 1999-09-21 Furukawa Electric Co Ltd:The Continuous vacuum-refining method of aluminum alloy waste and apparatus thereof
KR20000020557A (en) * 1998-09-22 2000-04-15 윤의박 Method for recycling aluminum dross
CN104674010A (en) * 2015-01-21 2015-06-03 界首市金鹰金属科技有限公司 Method for removing green renewable harmful elements of aluminum scrap
CN105648221A (en) * 2016-03-02 2016-06-08 江阴迪新金属工业有限公司 Rod casting system and method for recycling and smelting long scrap aluminum materials
CN106591583A (en) * 2016-12-16 2017-04-26 中北大学 Method and device for regeneration iron removal for scrap aluminium melt
CN107381596A (en) * 2017-07-29 2017-11-24 肇庆市东银铝业有限公司 AlN hydrolysis recycles technique and its device in a kind of high-efficiency aluminum ash

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11256251A (en) * 1998-03-13 1999-09-21 Furukawa Electric Co Ltd:The Continuous vacuum-refining method of aluminum alloy waste and apparatus thereof
KR20000020557A (en) * 1998-09-22 2000-04-15 윤의박 Method for recycling aluminum dross
CN104674010A (en) * 2015-01-21 2015-06-03 界首市金鹰金属科技有限公司 Method for removing green renewable harmful elements of aluminum scrap
CN105648221A (en) * 2016-03-02 2016-06-08 江阴迪新金属工业有限公司 Rod casting system and method for recycling and smelting long scrap aluminum materials
CN106591583A (en) * 2016-12-16 2017-04-26 中北大学 Method and device for regeneration iron removal for scrap aluminium melt
CN107381596A (en) * 2017-07-29 2017-11-24 肇庆市东银铝业有限公司 AlN hydrolysis recycles technique and its device in a kind of high-efficiency aluminum ash

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