Efficient impurity removal device for waste aluminum

Abstract

The utility model relates to the technical field of aluminum scrap recovery, in particular to an efficient aluminum scrap impurity removal device which comprises a box body, a feeding mechanism arranged at the bottom of the box body, a primary impurity removal mechanism arranged at the bottom of the feeding mechanism and a secondary impurity removal mechanism arranged at the bottom of the primary impurity removal mechanism. The feeding mechanism comprises a feeding port formed in the top of the box body, a feeding hopper is fixedly inserted into the feeding port, two crushing rollers are rotationally mounted in the feeding hopper side by side, and a first driving mechanism for driving the two crushing rollers to synchronously rotate is arranged on one side of the feeding hopper; the aluminum scrap impurity removal device has the advantages that through the feeding mechanism, the primary impurity removal mechanism and the secondary impurity removal mechanism, multi-stage impurity removal treatment on aluminum scraps is achieved, the primary impurity removal mechanism adsorbs iron-containing waste materials through an electromagnetic coil, and magnetic impurities in the aluminum scraps are effectively removed; and the secondary impurity removal mechanism further screens out other fine impurities through a screening plate, so that the purity of the waste aluminum is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste aluminium recycling technical field especially relates to a waste aluminium high -efficient edulcoration device. BACKGROUND

[0002] Waste aluminium is widely used in life, such as beverage can, door and window for the synthesis of aluminium and other metals, aluminium cable for power transmission and so on, although aluminium is the most abundant metal in the crust, but most of the aluminium is scattered, the aluminium content concentration in most bauxite is not high, the exploitation cost is higher, reaches the exploitation standard, and high-quality bauxite is less, secondly, the refining technology of aluminium metal is high, and the electrolytic aluminium production consumes a lot of energy, therefore most of the waste aluminium recycling becomes an important source of aluminium product raw materials, the traditional waste aluminium edulcoration method mostly relies on manual sorting or simple physical screening, and these methods are low in efficiency when treating a large amount of waste aluminium, and it is difficult to guarantee the edulcoration effect, leading to the purity of aluminium liquid in subsequent smelting operation. SUMMARY

[0003] The utility model provides a waste aluminium high -efficient edulcoration device that edulcoration efficiency is high, edulcoration effect is good to solve the technical problem that the prior art lacks.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A waste aluminium high -efficient edulcoration device, characterized in that:

[0006] Including box, the feeding mechanism arranged at the bottom of the box, the primary edulcoration mechanism arranged at the bottom of the feeding mechanism and the secondary edulcoration mechanism arranged at the bottom of the primary edulcoration mechanism;

[0007] The feeding mechanism includes the feeding port arranged at the top of the box, the feeding hopper fixedly inserted in the feeding port, the two crushing rollers are installed in the feeding hopper in parallel, and the first driving mechanism for driving the two crushing rollers to rotate synchronously is arranged on one side of the feeding hopper;

[0008] The primary edulcoration mechanism includes the first rotating roller arranged in the box, the second rotating roller arranged on the side above the first rotating roller, the outer sides of the first rotating roller and the second rotating roller are jointly sleeved with the conveying belt, the electromagnetic coil for adsorbing iron-containing waste is fixedly installed in the inner part of the conveying belt, the side adjacent to the second rotating roller of the box is provided with the iron-containing waste outlet, the lower edge of the iron-containing waste outlet is fixedly installed with the scraper, and the scraping gap is arranged between one end of the scraper and the surface of the conveying belt;

[0009] The secondary impurity removing mechanism comprises a mounting frame fixedly arranged below the first rotating roller, a waste aluminum outlet is formed on the side of the box body opposite to the iron-containing waste outlet, a screening plate is movably arranged between the mounting frame and the waste aluminum outlet, and an impurity collecting bin is arranged at the bottom of the screening plate; and a second driving mechanism for driving the screening plate to reciprocatingly vibrate is arranged on the mounting frame.

[0010] The technical problems solved by the utility model can be further realized by the following steps: the roller shafts of the two crushing rollers extend to the outside of the feeding hopper and are connected through a gear transmission mechanism; the first driving mechanism comprises a first driving motor and a speed reducer fixedly installed on the top plate of the box body, the power output end of the first driving motor is connected with the speed reducer through a shaft coupling, and the power output end of the speed reducer is connected with the roller shaft of one of the crushing rollers through a belt transmission mechanism.

[0011] The technical problems solved by the utility model can be further realized by the following steps: a first lifting lug is fixedly arranged on one side of the top of the mounting frame, a second lifting lug is fixedly arranged on the side wall of the box body, a first hinged seat and a second hinged seat are arranged on the upper surface of the screening plate, the first hinged seat and the first lifting lug are connected through a first damping spring, and the second hinged seat and the second lifting lug are connected through a second damping spring.

[0012] The technical problems solved by the utility model can be further realized by the following steps: the second driving mechanism comprises a second driving motor fixedly arranged on one side of the mounting frame, a first bevel gear is fixedly installed on the power output end of the second driving motor, a vertical rotating rod is rotatably arranged on one side of the first bevel gear, a second bevel gear meshing and driving the first bevel gear is fixedly sleeved on the bottom of the vertical rotating rod, a first cam is fixedly arranged on the vertical rotating rod above the second bevel gear, and the first cam abuts against the adjacent side surface of the screening plate.

[0013] The technical problems solved by the utility model can be further realized by the following steps: the second driving mechanism further comprises a horizontal rotating rod rotatably arranged below the first bevel gear, a third bevel gear meshing and driving the first bevel gear is fixedly sleeved on the end of the horizontal rotating rod, a second cam is fixedly arranged on the other end of the horizontal rotating rod, and the second cam abuts against the bottom surface of the screening plate.

[0014] The technical problems solved by the utility model can be further realized by the following steps: a discharging baffle is slidably arranged on the outside of the waste aluminum outlet, a limiting sliding groove is vertically arranged on the side wall of the box body on the two sides of the discharging baffle, a lifting cylinder driving the discharging baffle to move up and down is arranged on the side wall of the box body above the discharging baffle, and the screening plate is obliquely arranged between the mounting frame and the waste aluminum outlet.

[0015] The technical problems to be solved by the utility model can be further realized through the following steps, the flushing mechanism includes the flusher fixedly arranged above the second rotating roller, the bottom surface of the flusher is equipped with a plurality of flush grooves side by side, the bottom of the flush groove is installed with a spray plate, the flusher is internally equipped with a water storage cavity communicated with the water source, the bottom of the water storage cavity extends downwards and is communicated with each flush groove for water supply.

[0016] The technical problems to be solved by the utility model can be further realized through the following steps, the installation frame is internally equipped with a water storage tank, the water outlet of the water storage tank is connected with a water supply pump through a pipeline, and the water outlet of the water supply pump is communicated with the water inlet of the flusher through a pipeline.

[0017] The technical problems to be solved by the utility model can be further realized through the following steps, the installation frame is internally equipped with a water storage tank, the water outlet of the water storage tank is connected with a water supply pump through a pipeline, and the water outlet of the water supply pump is communicated with the water inlet of the flusher through a pipeline.

[0018] The technical problems to be solved by the utility model can be further realized through the following steps, the width of the scraping gap is 1-3mm, and the scraper is obliquely arranged below the lower edge of the iron-containing waste outlet.

[0019] Compared with the prior art, the utility model has the advantages that: through the setting of the feeding mechanism, the primary impurity removing mechanism and the secondary impurity removing mechanism, multi-stage impurity removing treatment of the waste aluminum is realized, the primary impurity removing mechanism utilizes the electromagnetic coil to adsorb the iron-containing waste, and effectively removes the magnetic impurities in the waste aluminum; the secondary impurity removing mechanism further screens other small impurities through the screening plate, thereby significantly improving the purity of the waste aluminum; meanwhile, through the setting of the first driving mechanism and the second driving mechanism, synchronous rotation of the crushing roller and reciprocating vibration of the screening plate are realized, manual operation is not needed, and the work efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is an enlarged schematic view of the second driving mechanism;

[0022] Figure 3 It is a top view schematic view of the screening plate;

[0023] Figure 4 It is an upper view schematic view of the flusher;

[0024] In the figure: 1-box; 2-feeding hopper; 3-crushing roller; 4-first rotating roller; 5-second rotating roller; 6-electromagnetic coil; 7-ferrous waste outlet; 8-scraper; 9-mounting frame; 10-waste aluminum outlet; 11-screening plate; 12-impurity collection bin; 13-third rotating roller; 14-first drive motor; 15-reducer; 16-first lifting lug; 17-second lifting lug; 18-first hinged seat; 19-second hinged seat; 20-first damping spring; 21-second damping spring; 22-second drive motor; 23-first bevel gear; 24-vertical rotating rod; 25-second bevel gear; 26-first cam; 27-horizontal rotating rod; 28-third bevel gear; 29-second cam; 30-discharge baffle; 31-limiting sliding groove; 32-lifting cylinder; 33-flusher; 34-flushing groove; 35-water storage tank; 36-water supply pump; 37-draining plate; 38-guide plate; 39-drain pipe; 40-circulation pipe; 41-filter box; 42-circulation starting valve. DETAILED DESCRIPTION

[0025] The specific technical scheme of the utility model is further described below, so that those skilled in the art can further understand the utility model, and it does not constitute a limitation on its rights.

[0026] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0027] Please refer to Figures 1-4 A waste aluminum efficient impurity removal device, comprising a box body 1, a feeding mechanism arranged at the bottom of the box body 1, a primary impurity removal mechanism arranged at the bottom of the feeding mechanism, and a secondary impurity removal mechanism arranged at the bottom of the primary impurity removal mechanism.

[0028] The feeding mechanism comprises a feeding port formed in the top of the box body 1, a feeding hopper 2 fixedly and insertedly arranged in the feeding port, two crushing rollers 3 arranged side by side and rotatably arranged in the feeding hopper 2, and a first driving mechanism arranged on one side of the feeding hopper 2 and configured to drive the two crushing rollers 3 to synchronously rotate.

[0029] The primary impurity removal mechanism comprises a first rotating roller 4 arranged inside the box body 1, a second rotating roller 5 arranged on the upper side of the first rotating roller 4, and a conveying belt arranged on the outer sides of the first rotating roller 4 and the second rotating roller 5, wherein an electromagnetic coil 6 for adsorbing the iron-containing waste is fixedly arranged inside the conveying belt, an iron-containing waste outlet 7 is arranged on the side of the box body 1 adjacent to the second rotating roller 5, a scraper 8 is fixedly arranged on the lower edge of the iron-containing waste outlet 7, and a scraping gap is arranged between one end of the scraper 8 and the surface of the conveying belt; the conveying direction of the conveying belt is from the first rotating roller 4 to the second rotating roller 5, the waste aluminum is extruded by the crushing roller 3 and then falls onto the conveying belt, the iron-containing waste in the waste aluminum is adsorbed by the electromagnetic coil 6 and is conveyed to the scraper 8 for scraping, and the remaining waste falls to the secondary impurity removal mechanism through the inclination of the conveying belt.

[0030] The secondary impurity removal mechanism comprises a mounting frame 9 fixedly arranged below the first rotating roller 4, wherein the mounting frame 9 is an L-shaped structure composed of a horizontal plate and a vertical plate, an aluminum waste outlet 10 is arranged on the side of the box body 1 opposite to the iron-containing waste outlet 7, a screening plate 11 is movably arranged between the mounting frame 9 and the aluminum waste outlet 10, the screening plate 11 is used for screening the dust particles in the waste, and an impurity collection bin 12 is arranged at the bottom of the screening plate 11; a second driving mechanism is arranged on the mounting frame 9 and is used for driving the screening plate 11 to reciprocatingly vibrate.

[0031] The shafts of the two crushing rollers 3 extend to the outside of the feeding hopper 2 and are drivingly connected through a gear transmission mechanism; the first driving mechanism comprises a first driving motor 14 and a speed reducer 15 fixedly arranged on the top plate of the box body 1, the power output end of the first driving motor 14 is drivingly connected with the speed reducer 15 through a shaft coupling, and the power output end of the speed reducer 15 is drivingly connected with the shaft of one of the crushing rollers 3 through a belt transmission mechanism.

[0032] A first lifting lug 16 is fixedly arranged on one side of the top of the mounting frame 9, a second lifting lug 17 is fixedly arranged on the side wall of the box body 1, a first hinged seat 18 and a second hinged seat 19 are arranged on the upper surface of the screening plate 11, the first hinged seat 18 and the first lifting lug 16 are connected through a first damping spring 20, and the second hinged seat 19 and the second lifting lug 17 are connected through a second damping spring 21.

[0033] The second driving mechanism comprises a second driving motor 22 fixed on one side of the mounting frame 9, a power output end of the second driving motor 22 is fixedly provided with a first bevel gear 23, one side of the first bevel gear 23 is rotatably provided with a vertical rotating rod 24, the bottom of the vertical rotating rod 24 is fixedly sleeved with a second bevel gear 25 in meshing transmission with the first bevel gear 23, the vertical rotating rod 24 above the second bevel gear 25 is fixedly provided with a first cam 26, the first cam 26 abuts against the adjacent side surface of the screening plate 11, so that the transverse vibration of the screening plate 11 is realized; a supporting spring (not shown in the figure) is horizontally arranged between the other side surface of the screening plate 11 and the box door, and is used for pressing the screening plate 11 on the surface of the first cam 26, so that better vibration effect is obtained.

[0034] The second driving mechanism further comprises a horizontal rotating rod 27 rotatably arranged below the first bevel gear 23, the end of the horizontal rotating rod 27 is fixedly sleeved with a third bevel gear 28 in meshing transmission with the first bevel gear 23, the other end of the horizontal rotating rod 27 is fixedly provided with a second cam 29, the second cam 29 abuts against the bottom surface of the screening plate 11, so that the vertical vibration of the screening plate 11 is realized.

[0035] The second driving motor 22 drives the first bevel gear 23 to rotate, and drives the vertical rotating rod 24 and the horizontal rotating rod 27 to rotate through meshing transmission respectively, and then the first cam 26 and the second cam 29 respectively exert force on the screening plate 11, so that the reciprocating vibration of the screening plate 11 is realized.

[0036] A discharging baffle 30 is slidably arranged on the outside of the waste aluminum outlet 10, a limiting sliding groove 31 is vertically arranged on the side wall of the box body 1 on the two sides of the discharging baffle 30, a lifting cylinder 32 for driving the discharging baffle 30 to move up and down is arranged on the side wall of the box body 1 above the discharging baffle 30, and the screening plate 11 is obliquely arranged between the mounting frame 9 and the waste aluminum outlet 10, so that the material can smoothly slide to the waste aluminum outlet 10.

[0037] The waste aluminum high-efficiency impurity removal device further comprises a flushing mechanism, the flushing mechanism comprises a flusher 33 fixedly arranged above the second rotating roller 5, a plurality of flushing grooves 34 are arranged side by side on the bottom surface of the flusher 33, a spraying plate is arranged on the bottom of the flushing groove 34, a water storage cavity in communication with a water source is arranged in the flusher 33, the bottom of the water storage cavity extends downward and is in communication with each flushing groove 34 for water supply. The flusher 33 is used for flushing the waste materials on the conveying belt, so that the iron-containing waste materials and ordinary waste materials are further dispersed.

[0038] The inside of the mounting frame 9 is provided with a water storage tank 35, the water outlet of the water storage tank 35 is connected with a water supply pump 36 through a pipeline, and the water outlet of the water supply pump 36 is in communication with the water inlet of the flusher 33 through a pipeline.

[0039] The bottom of the screening plate 11 is provided with a drainage plate 37 in the impurity collecting bin 12, one side of the drainage plate 37 is provided with a bin door (not shown in the figure), the drainage plate 37 is inserted into the impurity collecting bin 12 and can be pulled out from the bin door; the bottom of the drainage plate 37 is provided with a flow guide plate 38, one side of the flow guide plate 38 is provided with a drain pipe 39 leading to the outside of the box 1, and the other side of the flow guide plate 38 is provided with a circulating pipe 40 leading to the water storage tank 35, and a filter box 41 and a circulating start valve 42 are sequentially installed on the circulating pipe 40.

[0040] The width of the scraping gap is 1-3mm, which ensures that the iron-containing waste can be effectively scraped off without damaging the conveying belt, and the scraper 8 is inclinedly arranged below the iron-containing waste outlet 7 to facilitate the discharge of the waste; the box 1 outside the iron-containing waste outlet 7 is also provided with an iron-containing waste collecting box.

[0041] Working principle: the waste aluminum high-efficiency impurity removal device, when in use, the waste aluminum to be treated is poured into the feeding hopper 2 through the feeding port, the two crushing rollers 3 in the feeding hopper 2 rotate synchronously to preliminarily crush the waste;

[0042] The crushed waste aluminum falls onto the conveying belt, the iron-containing waste therein is attracted by the electrified electromagnetic coil 6 and moves upward along the conveying belt to the iron-containing waste outlet 7, and finally falls into the iron-containing waste collecting box after being scraped off by the scraper 8;

[0043] The remaining waste aluminum slides to the screening plate 11 along the inclination angle of the conveying belt, and the screening plate 11 reciprocatingly vibrates horizontally and vertically under the action of the second driving mechanism. Under the action of vibration, the waste on the screening plate 11 falls into the impurity collecting bin 12 through the screen hole, and the remaining waste aluminum continues to slide forward to the waste aluminum outlet 10; when the waste aluminum accumulates to a certain amount, the lifting cylinder 32 drives the discharge baffle 30 to rise, opens the waste aluminum outlet 10, and the waste aluminum smoothly slides to the subsequent processing procedure.

[0044] The flushing mechanism starts to work when the waste slides to the conveying belt, the flusher 33 sprays water flow to the waste through the spray plate, helps the iron-containing waste and the ordinary waste to further disperse, and preliminarily washes the attachments on the surface of the waste; after the preliminary washing, the water flow falls onto the screening plate 11 along the surface of the conveying belt, and then falls into the impurity collecting bin 12 after a secondary washing of the waste thereon, and then is guided to the drain pipe 39 outside the box 1 or is sent back to the water storage tank 35 through the circulating pipe 40 for recycling after being filtered by the drainage plate 37.

[0045] Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

Claims

1. A high-efficiency impurity removal device for waste aluminum, characterized in that: it comprises a box body, a feeding mechanism arranged at the bottom of the box body, a primary impurity removal mechanism arranged at the bottom of the feeding mechanism, and a secondary impurity removal mechanism arranged at the bottom of the primary impurity removal mechanism; the feeding mechanism comprises a feeding port arranged at the top of the box body, a feeding hopper fixedly arranged in the feeding port, two crushing rollers rotatably arranged side by side in the feeding hopper, and a first driving mechanism arranged at one side of the feeding hopper and used for driving the two crushing rollers to rotate synchronously; the primary impurity removal mechanism comprises a first rotating roller arranged in the box body, a second rotating roller arranged at the upper side of the first rotating roller, a conveying belt jointly arranged on the outer sides of the first rotating roller and the second rotating roller, and an electromagnetic coil fixedly arranged in the conveying belt and used for adsorbing iron-containing waste; the box body is provided with an iron-containing waste outlet arranged at the side adjacent to the second rotating roller, and a scraper fixedly arranged at the lower edge of the iron-containing waste outlet; a scraping gap is arranged between one end of the scraper and the surface of the conveying belt; the secondary impurity removal mechanism comprises a mounting frame fixedly arranged below the first rotating roller, an aluminum waste outlet arranged at the side of the box body opposite to the iron-containing waste outlet, a screening plate movably arranged between the mounting frame and the aluminum waste outlet, and an impurity collection bin arranged at the bottom of the screening plate; the mounting frame is provided with a second driving mechanism used for driving the screening plate to vibrate reciprocatingly. The shafts of the two crushing rollers extend to the outside of the feeding hopper and are connected through a gear transmission mechanism; the first driving mechanism comprises a first driving motor and a speed reducer fixedly arranged on the top plate of the box body, the power output end of the first driving motor is connected with the speed reducer through a shaft coupling, and the power output end of the speed reducer is connected with the shaft of one of the crushing rollers through a belt transmission mechanism. A first lifting lug is fixedly arranged at one side of the top of the mounting frame, a second lifting lug is fixedly arranged on the side wall of the box body, a first hinged seat and a second hinged seat are arranged on the upper surface of the screening plate, the first hinged seat is connected with the first lifting lug through a first damping spring, and the second hinged seat is connected with the second lifting lug through a second damping spring. The second driving mechanism comprises a second driving motor fixedly arranged at one side of the mounting frame, a first bevel gear fixedly arranged at the power output end of the second driving motor, a vertical rotating rod rotatably arranged at one side of the first bevel gear, a second bevel gear fixedly arranged on the vertical rotating rod and engaged with the first bevel gear, a first cam fixedly arranged on the vertical rotating rod above the second bevel gear, and the first cam abuts against the adjacent side surface of the screening plate. The second driving mechanism further comprises a horizontal rotating rod rotatably arranged below the first bevel gear, a third bevel gear fixedly arranged on the end of the horizontal rotating rod and engaged with the first bevel gear, a second cam fixedly arranged on the other end of the horizontal rotating rod, and the second cam abuts against the bottom surface of the screening plate.

2. The device for efficiently removing impurities from waste aluminum according to claim 1, wherein: A discharge baffle is slidably arranged on the outer side of the aluminum waste outlet, limit sliding grooves are vertically arranged on the side walls of the box body on both sides of the discharge baffle, a lifting cylinder is arranged on the side wall of the box body above the discharge baffle and used for driving the discharge baffle to move up and down, and the screening plate is obliquely arranged between the mounting frame and the aluminum waste outlet.

3. The device for efficiently removing impurities from waste aluminum according to claim 1, wherein: ​ 4. The device for efficiently removing impurities from waste aluminum according to claim 3, wherein: ​ 5. The device for efficiently removing impurities from waste aluminum according to claim 4, wherein: ​ 6. The device for efficiently removing impurities from waste aluminum according to claim 1, wherein: ​ 7. The device for efficiently removing impurities from waste aluminum according to claim 1, wherein: The flushing mechanism comprises a flusher fixed above the second rotating roller, the bottom surface of the flusher is provided with a plurality of flush grooves side by side, the bottom of each flush groove is provided with a spray plate, and the flusher is internally provided with a water storage cavity communicated with a water source, the bottom of the water storage cavity extends downward and is communicated with each flush groove for water supply.

8. The device for efficiently removing impurities from waste aluminum according to claim 7, wherein: The inside of the mounting frame is provided with a water storage tank, the water outlet of the water storage tank is connected with a water supply pump through a pipeline, and the water outlet of the water supply pump is communicated with the water inlet of the flusher through a pipeline.

9. The device for efficiently removing impurities from waste aluminum according to claim 8, wherein: The bottom of the impurity collection bin of the screening plate is provided with a draining plate, the bottom of the draining plate is provided with a guide plate, one side of the guide plate is provided with a drain pipe leading to the outside of the box body, the other side of the guide plate is provided with a circulating pipe leading to the water storage tank, and a filter box and a circulating start valve are sequentially installed on the circulating pipe.

10. The device for efficiently removing impurities from waste aluminum according to claim 1, wherein: The width of the scraping gap is 1-3 mm, and the scraper is obliquely arranged below the outlet of the iron-containing waste.

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