Novel machining aluminum skimming pretreatment and briquetting system

Abstract

A novel machining aluminum skimming pretreatment and briquetting system comprises an aluminum skimming pretreatment system, a self-adaptive vibration bed speed regulation system and energy-saving double-briquetting equipment. The aluminum skimming pretreatment system comprises magnetic separation equipment, and the magnetic separation equipment comprises a magnetic separation belt, a high-strength magnetic roller driving the magnetic separation belt, an iron receiving hopper arranged below the high-strength magnetic roller and an aluminum receiving hopper arranged in the aluminum skimming throwing-out direction. The self-adaptive vibration bed speed regulation system comprises a vibration bed, the vibration bed is arranged at the downstream of the aluminum scrap pretreatment system and comprises a vibration bed support and a vibration motor, and an included angle of 35-45 degrees is formed between the plane of the vibration bed support and the ground; the energy-saving double-briquetting equipment is arranged at the downstream of a vibration bed and comprises a hydraulic station and two vertical briquetting machines, the two briquetting machines share one set of hydraulic station system control, and the hydraulic station comprises a hydraulic pump. Compared with traditional briquetting equipment, flexible start-stop control can be achieved, the briquetting efficiency is improved, the operation cost and energy consumption are reduced, and high-flexibility, low-energy-consumption and high-purity briquetting output is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of aluminum product recycling, in particular to a new type of machining aluminum scrap pretreatment and briquetting system. BACKGROUND

[0002] When aluminum products pass through the machining process, about 30%-40% of the aluminum material will be converted into cutting chips, and an emulsion is usually used as a lubricating liquid during the machining process, resulting in 8-15% of an oil-water mixture adhering to the surface of the machined aluminum chips and containing iron metal impurities. If the aluminum chips are directly recycled for briquetting and put into a smelting furnace, a large amount of aluminum slag will be produced during melting, reducing the purity of the aluminum liquid, affecting the service life of the furnace refractory, and also emitting VOCs and other waste gases. At the same time, there is a risk of aluminum liquid splashing due to water vaporization. Therefore, the present application proposes a new type of machining aluminum scrap pretreatment and briquetting system, which can reduce the oil and water content of the aluminum scrap briquetting to less than 3%, effectively reducing the generation of oxidized inclusions, and improving the quality of the aluminum liquid after melting. SUMMARY

[0003] Therefore, the present application aims to provide a new type of machining aluminum scrap pretreatment and briquetting system that can effectively reduce the oil and water content, achieve high efficiency, low energy consumption, and high purity briquetting output.

[0004] To achieve the above-mentioned purposes, the technical scheme of the present application is as follows:

[0005] A new type of machining aluminum scrap pretreatment and briquetting system, comprising an aluminum scrap pretreatment system, a self-adaptive vibrating bed speed regulation system, and an energy-saving double briquetting device;

[0006] The aluminum scrap pretreatment system comprises a magnetic separation device, which comprises a magnetic separation belt, a high-strength magnetic roller for driving the magnetic separation belt, an iron receiving hopper arranged below the high-strength magnetic roller, and an aluminum receiving hopper arranged in the direction of aluminum scrap ejection.

[0007] The self-adaptive vibrating bed speed regulation system comprises a vibrating bed arranged downstream of the aluminum scrap pretreatment system, comprising a vibrating bed support and a vibrating motor, and the plane of the vibrating bed support forms an angle of 35°-45° with the ground.

[0008] The energy-saving double briquetting device is arranged downstream of the vibrating bed and comprises a hydraulic station and two vertical briquetting machines, and the two briquetting machines share a set of hydraulic station system control. The hydraulic station comprises a hydraulic pump.

[0009] In some embodiments, the aluminum scrap pretreatment system further comprises a crusher and an oil removal machine arranged in sequence downstream of the magnetic separation device. The crusher is arranged downstream of the aluminum receiving hopper of the magnetic separation device and comprises a double twisting roller for crushing aluminum scrap clumps. The oil removal machine is arranged downstream of the crusher and comprises a roller and a liquid receiving hopper for separating oil and water from the aluminum scrap.

[0010] In some embodiments, the aluminum scrap pretreatment system further comprises a weighing hopper, which is arranged at the feeding end of the magnetic separation device.

[0011] In some embodiments, an overflow baffle and an overflow hopper are arranged on the vibrating bed.

[0012] In some embodiments, the adaptive vibrating bed speed regulation system further comprises an automatic distributor and a storage hopper, the automatic distributor is arranged downstream of the vibrating bed, the storage hopper is arranged downstream of the automatic distributor, and a material switch is arranged on the storage hopper.

[0013] In some embodiments, the deoiling machine further comprises an aluminum storage bin, which is arranged below the drum discharge port of the deoiling machine.

[0014] In some embodiments, the hydraulic pump of the hydraulic station is designed as a double hydraulic pump.

[0015] In some embodiments, the briquetting machine comprises a pressing cylinder, a briquetting die, and a ejection cylinder, the pressing cylinder is arranged above the briquetting die, and the ejection cylinder is arranged laterally to the briquetting die.

[0016] In some embodiments, the adaptive vibrating bed speed regulation system further comprises a feeding mechanism and a large screen, the feeding mechanism is connected with the weighing hopper.

[0017] Compared with the prior art, the novel machining aluminum scrap pretreatment and briquetting system has the following advantages:

[0018] The novel machining aluminum scrap pretreatment and briquetting system machine disclosed in the present application comprises a feeding mechanism for feeding machining aluminum scrap, a weighing hopper for controlling the feeding amount, a magnetic separation device, a crusher, a deoiling machine, and other devices for processing machining aluminum scrap to be treated, so as to obtain deoiled, dehydrated, and iron impurity-free aluminum scrap, and then the adaptive vibrating bed speed regulation system is used for transmission, so as to perform secondary deoiling and dehydration on the aluminum scrap, and then the processed aluminum scrap is distributed to the energy-saving double briquetting device for briquetting. The double briquetting device shares a set of variable frequency hydraulic station system control, and compared with the traditional briquetting device, the flexible start-stop control can be realized, the briquetting efficiency is improved, and the operation cost and energy consumption are reduced. The machining aluminum scrap processed by the novel machining aluminum scrap pretreatment and briquetting system can effectively reduce the oil and water content, and realize high flexibility, low energy consumption, and high purity of the briquetting output. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which form a part of the present application, are used to provide further understanding of the present application, and the illustrative embodiments of the present application and their description are used to explain the present application, and do not constitute improper limitations on the present application. In the drawings:

[0020] Fig. 1 FIG. 1 is a schematic view of a novel machining aluminum scrap pretreatment and briquetting system according to the present application.

[0021] Fig. 2 A front view of a new machining aluminum scrap pretreatment and briquetting system.

[0022] Fig. 3 A front view of a new machining aluminum scrap pretreatment and briquetting system.

[0023] Explanation of reference signs

[0024] 1-magnetic separation device, 2-high strength magnetic roller, 3-iron receiving hopper, 4-aluminum receiving hopper, 5-magnetic separation belt, 6-magnetic separation support, 7-twist roller, 8-crushing hopper, 9-oil removal machine housing, 10-roller, 11-liquid receiving hopper, 12-hydraulic station, 13-hydraulic pump, 14-briquetting machine, 15-pressing cylinder, 16-briquetting mold, 17-storage hopper, 18-top feeding air lever, 19-overflow baffle, 20-feeding mechanism, 21-large screen, 22-overflow hopper, 23-vibration bed support, 24-vibration bed, 25-vibration motor, 26-automatic distributor, 27-aluminum storage bin, 28-material switch, 29-crusher, 30-oil removal machine, 31-weighing hopper. DETAILED DESCRIPTION

[0025] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0026] The technical solutions of the present application will be described clearly and completely below with reference to the drawings and in combination with the embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] The technical solutions of the present application will be described clearly and completely below with reference to the drawings and in combination with the embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Figs. 1 to 3 The new machining aluminum scrap pretreatment and briquetting system of the embodiments of the present application will be described below in combination with the embodiments.

[0028] A new machining aluminum scrap pretreatment and briquetting system, comprising an aluminum scrap pretreatment system, an adaptive vibration bed speed regulation system and an energy-saving double briquetting device; the aluminum scrap pretreatment system comprises a magnetic separation device 1, a crusher 29, an oil removal machine 30 and other devices; the adaptive vibration bed speed regulation system comprises a vibration bed 24, an automatic distributor 26 and a storage hopper 17 and other devices; the energy-saving double briquetting system comprises a hydraulic station 12 system, a briquetting machine 14 and other devices.

[0029] The magnetic separation device 1 is composed of high-strength magnetic roller 2, iron receiving hopper 3, aluminum receiving hopper 4, magnetic separation belt 5, magnetic separation support 6, weighing hopper 31, etc., wherein the magnetic separation belt roller is selected from high-strength magnetic roller 2, and the magnetic separation belt 5 is selected from wear-resistant, corrosion-resistant high-strength belt; the magnetic separation support 6 is welded from an I-shaped steel, the height is determined according to the actual environment, the weighing hopper 31 is installed at the top of the support, the aluminum receiving hopper 4 is arranged in the direction of aluminum scrap throwing, and can be adjusted according to the position of aluminum scrap throwing, the iron receiving hopper 3 is installed below the high-strength magnetic roller 2, and the weighing hopper puts aluminum scrap into the magnetic separation belt 5. After the weighing hopper 31 puts aluminum scrap into the magnetic separation belt 5, the magnetic separation belt 5 is driven by the high-strength magnetic roller 2 to throw the aluminum scrap into the aluminum receiving hopper 4, the iron impurities are adsorbed to the position of the high-strength magnetic roller 2 and separated into the iron receiving hopper 3 below, and the screened aluminum scrap is conveyed to the crusher through the transmission belt.

[0030] The crusher 29 is composed of a twisting roller 7 and a crushing hopper 8. The crusher 29 is used for crushing the aluminum scrap into small pieces.

[0031] The mutual engagement of the double twisting rollers 7 crushes the aluminum scrap into small pieces, and the twisting roller 7 is controlled by a variable frequency motor. The small aluminum scrap after crushing falls onto the vibration bed 24 below.

[0032] The vibration bed 24 is composed of a vibration bed support 23 and a vibration motor 25, etc., the vibration bed support 23 requires a plane to form an angle of 35°-45° with the ground, the vibration motor 25 is connected with the vibration bed conveyor belt and installed on the vibration bed support 23, and the vibration motor 25 is controlled by a frequency converter. The vibration bed 24 is provided with an overflow baffle 19 and an overflow hopper 22 below.

[0033] The deoiling machine 30 is composed of a roller 10, a deoiling machine shell 9, a liquid receiving hopper 11, an automatic material distributor 26, an aluminum storage bin 27, a material level switch 28, etc., the deoiling machine 30 is internally provided with the roller 10, the roller 10 is controlled by a motor, the aluminum scrap containing oil and water is separated from the oil and water under the action of centrifugal force after entering the deoiling machine, and the thrown liquid is discharged into the liquid receiving hopper 11 below the deoiling machine. The aluminum scrap after spinning is put into the aluminum storage bin 27, the automatic material distributor 26 is arranged below the aluminum storage bin 27, and the aluminum scrap is discharged to the vibration bed 24 through the valve.

[0034] The briquetting machine 14 includes a pressing cylinder 15, a briquetting mold 16, a storage hopper 17, a top feeding cylinder 18, a material switch 28, etc.; in this embodiment, two vertical briquetting machines 14 and one set of hydraulic station system are included, one of the hydraulic pumps 13 is used and one is reserved, the two briquetting machines can be independently operated, and the storage hopper 17 is provided with upper and lower material level switches 28. When the aluminum scrap enters the storage hopper 17, the aluminum scrap is sent to the briquetting mold 16 through the pipeline, the pressing cylinder 15 above the briquetting mold 16 presses the aluminum scrap, the aluminum block is pushed out by the top feeding cylinder 18, and the single aluminum scrap pressing is completed.

[0035] The adaptive speed regulation system is composed of a weighing hopper 31, a feeding mechanism 20, a vibrating bed 24, an automatic distributor 26 and a storage hopper 17. The weighing hopper 31 can control the feeding mechanism 20 to feed according to the amount of aluminum scrap in the hopper, and display the feeding information on a large screen 21. The vibrating bed 24 is composed of a vibrating bed support 23 and a vibrating motor 25. The support plane is required to be parallel to the ground

[0036] The aluminum scrap is transmitted to the automatic distributor 26 through the vibrating bed 24, and then evenly distributed to the storage hopper 17 through the vibrating bed 24. The vibrating bed 24 is provided with an overflow baffle 19 and an overflow hopper 22, which can automatically discharge when the aluminum scrap is accumulated. The adaptive speed regulation system can control the feeding amount of the feeding mechanism 20 and the automatic distributor 26, and the automatic start-stop and vibration frequency of the vibrating motor 25 of the vibrating bed 24 according to the amount of aluminum scrap in the weighing hopper 31, the material switch state 28 and the working state of the briquetting machine 14.

[0037] A novel machining aluminum scrap pretreatment and briquetting system, comprising an aluminum scrap pretreatment system, an adaptive vibrating bed speed regulation system and an energy-saving double briquetting device.

[0038] The aluminum scrap pretreatment system is mainly composed of a magnetic separation device 1, a crusher 29 and a deoiling machine 30. The belt roller of the magnetic separation device 1 is a high-strength magnetic roller. After screening through the magnetic separation belt and the magnetic roller, the aluminum scrap is separated from the iron impurities. The separated iron impurities and aluminum scrap fall into the iron receiving hopper 3 and the aluminum receiving hopper 4, respectively, to obtain the aluminum scrap after preliminary pretreatment. The crusher 29 breaks the aluminum scrap into small pieces by the mutual engagement of the double twisting rollers 7. The deoiling machine 30 separates the oil and coolant in the aluminum scrap under the centrifugal force of the high-speed rotating drum 10 and discharges them into the liquid receiving hopper 11. The deoiled aluminum scrap is stored in the aluminum storage bin 27. The aluminum scrap treated by the crusher 29 and the deoiling machine 30 is transmitted by the vibrating motor 25 of the vibrating bed 24 for secondary oil and water removal treatment, while avoiding the secondary agglomeration of the aluminum scrap. The above-mentioned devices can effectively separate the iron impurities, oil content and water content in the aluminum scrap.

[0039] The energy-saving double briquetting device controls the operation of two vertical briquetting machines 14 by a single hydraulic station 12. The hydraulic station 12 is designed with a double hydraulic pump 13 in one-use-one-backup mode. The hydraulic pump reduces the energy consumption of the equipment operation by frequency converter control. The hydraulic system can realize flexible start control. When the equipment load is small or the hydraulic pump fails, the hydraulic station can be automatically started and stopped according to the system pressure change.

[0040] The adaptive speed regulation system is mainly composed of a weighing hopper 31, a feeding mechanism 20, a vibrating bed 24, an automatic distributor 26 and a storage hopper 17. The weighing hopper 31 can control the feeding mechanism 20 to feed according to the amount of aluminum scrap in the hopper, and display the feeding information on a large screen 21. The vibrating bed 24 is composed of a vibrating bed support 23 and a vibrating motor 25. The support plane is required to be parallel to the ground

[0041] The vibrating bed 24 is composed of a vibrating bed support 23 and a vibrating motor 25, the support plane is required to form an angle of 35-45 degrees with the ground, the aluminum chips are transmitted to the automatic distributor 26 through the vibrating bed 24, and then are evenly distributed to the feeding storage hopper 17 through the vibrating bed 24, the vibrating bed 24 is provided with an overflow baffle 19 and an overflow hopper 22, so that the aluminum chips can be automatically discharged after being accumulated; the storage hopper 17 is provided with upper and lower limit material switches 28; the self-adaptive speed regulation system can control the feeding amount of the feeding mechanism 20 and the automatic distributor 26, and automatically start and stop and the vibration frequency of the vibrating motor 25 of the vibrating bed 24 according to the aluminum chip amount of the weighing hopper 31, the material switch state 28 and the working state of the briquetting machine 14.

[0042] Compared with the prior art, the novel machining aluminum chip pretreatment and briquetting system has the following advantages:

[0043] The novel machining aluminum chip pretreatment and briquetting system disclosed in the application is used for machining aluminum chips, the aluminum chips are fed through a feeding mechanism, the feeding amount is controlled based on a weighing hopper, the machining aluminum chips are sequentially treated through a magnetic separation device, a crusher, an oil removal machine and other devices in the aluminum chip pretreatment system, and the treated aluminum chips are deoiled, dewatered and free of iron impurities, then the treated aluminum chips are transmitted through a self-adaptive vibrating bed speed regulation system, the aluminum chips are secondarily deoiled and dewatered, and then the treated aluminum chips are distributed to an energy-saving double briquetting device for briquetting. The double briquetting device shares a set of variable frequency hydraulic station system control, compared with the traditional briquetting device, the double briquetting device can realize flexible start and stop control, improve the briquetting efficiency and reduce the operation cost and energy consumption; the machining aluminum chips treated through the novel machining aluminum chip pretreatment and briquetting system can effectively reduce the oil and water content, and realize high flexibility, low energy consumption and high purity of the briquetting output.

[0044] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the protection scope of the present application.

[0045] In addition, the terms "first", "second" are only for description purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise explicitly and specifically limited.

[0046] In this application, unless otherwise clearly indicated and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, or electrical connection or can communicate with each other; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0047] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A novel machining aluminum scrap pretreatment and briquetting system characterized by, The application relates to an aluminum scrap pretreatment system, an adaptive vibrating table speed regulation system and an energy-saving double-pressing block device. The aluminum scrap pretreatment system comprises a magnetic separation device (1), the magnetic separation device (1) comprises a magnetic separation belt (5), a high-strength magnetic roller (2) for driving the magnetic separation belt (5), a ferrous material hopper (3) arranged below the high-strength magnetic roller (2) and an aluminum receiving hopper (4) arranged in the aluminum scrap discharging direction. The adaptive vibrating table speed regulation system comprises a vibrating table (24) arranged downstream of the aluminum scrap pretreatment system, a vibrating table support (23) and a vibrating motor (25), and the plane of the vibrating table support (23) forms an angle of 35-45 degrees with the ground. The energy-saving double-pressing block device is arranged downstream of the vibrating table (24) and comprises a hydraulic station (12) and two vertical pressing block machines (14), the two pressing block machines (14) share a set of hydraulic station (12) system control, and the hydraulic station (12) comprises a hydraulic pump (13).

2. The novel machining aluminum scrap pretreatment and briquetting system according to claim 1, characterized in that, The aluminum scrap pretreatment system further comprises a crusher (29) and an oil removal machine (30) arranged downstream of the magnetic separation device (1) in sequence, the crusher (29) is arranged downstream of the aluminum receiving hopper (4) of the magnetic separation device (1) and comprises a double-twisting roller (7) for crushing aluminum scrap groups, and the oil removal machine (30) is arranged downstream of the crusher (29) and comprises a roller (10) and a liquid receiving hopper (11) for separating oil and water in the aluminum scrap.

3. The novel machining aluminum scrap pretreatment and briquetting system according to claim 2, characterized in that, The aluminum scrap pretreatment system further comprises a weighing hopper (31) arranged at the feeding end of the magnetic separation device (1).

4. The novel machining aluminum scrap pretreatment and briquetting system according to claim 2, characterized in that, The vibrating table (24) is provided with an overflow baffle (19) and an overflow hopper (22).

5. The novel machining aluminum scrap pretreatment and briquetting system according to claim 1, characterized in that, The adaptive vibrating table speed regulation system further comprises an automatic material distributor (26) and a storage hopper (17), the automatic material distributor (26) is arranged downstream of the vibrating table (24), the storage hopper (17) is arranged downstream of the automatic material distributor (26), and the storage hopper (17) is provided with a material switch (28).

6. The novel machining aluminum scrap pretreatment and briquetting system as claimed in claim 2, wherein, The oil removal machine (30) further comprises an aluminum storage bin (27) arranged below the roller (10) discharge port of the oil removal machine (30).

7. The novel machining aluminum scrap pretreatment and briquetting system as claimed in claim 1, wherein, The hydraulic pump (13) of the hydraulic station (12) is designed as a double hydraulic pump.

8. The novel machining aluminum scrap pretreatment and briquetting system as claimed in claim 1, wherein, The pressing block machine (14) comprises a pressing cylinder (15), a pressing block mold (16) and a top feeding cylinder (18), the pressing cylinder (15) is arranged above the pressing block mold (16), and the top feeding cylinder (18) is arranged on the side of the pressing block mold (16).

9. The novel machining aluminum scrap pretreatment and briquetting system as claimed in claim 3, wherein, The adaptive vibrating table speed regulation system further comprises a feeding mechanism (20) and a large screen (21), and the feeding mechanism (20) is connected with the weighing hopper (31).

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