A crushing device with magnetic separation function

Abstract

The application provides a crushing device with a magnetic separation function, and relates to the technical field of solar photovoltaic technology.The crushing device comprises a crushing device main body, a vibrating feeder, an upper feeding conveying belt, a climbing belt, a lower feeding conveying belt and a magnetic roller.The inlet end of the vibrating feeder is connected with the outlet end of the crushing device main body.The upper feeding conveying belt is arranged below the outlet end of the vibrating feeder.The climbing belt is arranged between the upper feeding conveying belt and the lower feeding conveying belt.The lower feeding conveying belt is arranged above the upper feeding conveying belt.The magnetic roller is rotatably arranged on the upper side of the climbing belt and used for adsorbing magnetic substances in the crushed silicon material on the climbing belt.A dustproof structure is arranged at the inlet end of the upper feeding conveying belt and / or the outlet end of the lower feeding conveying belt and used for preventing dust.The original crushing device is improved so that the crushing device has the magnetic separation function.The dustproof structure can effectively prevent dust from falling and avoid the pollution of the crushed silicon material.

Description

Technical Field

[0001] This utility model relates to the field of solar photovoltaic technology, and in particular to a crushing device with magnetic separation function. Background Technology

[0002] In the monocrystalline silicon pulling process of the solar photovoltaic industry, in order to reduce material costs, the industry usually crushes recycled materials into silicon fragments using crushing equipment before reusing them.

[0003] Previously, due to the high performance of the crushing equipment, the crushed silicon material discharged from the crushing equipment outlet contained less magnetic material (magnetic metallic material). Therefore, the crushed silicon material discharged from the crushing equipment outlet was directly reused, and little attention was paid to the content of magnetic material in the crushed silicon material discharged from the crushing equipment outlet.

[0004] However, it has recently been discovered that due to the influence of incoming material processing equipment (such as crushing equipment used for crushing recycled materials), a significant amount of magnetic material is easily mixed into the crushed silicon material. The presence of these magnetic materials seriously affects the purity of the silicon material. Since the purity of the silicon material is directly related to the quality and performance of products, such as the photoelectric conversion efficiency of solar cells, it is necessary to modify the existing crushing equipment to remove the magnetic material from the crushed silicon material discharged from the crushing equipment outlet before reusing the crushed silicon material. Utility Model Content

[0005] In view of the above situation, this utility model provides a crushing device with magnetic separation function, which aims to modify the existing crushing device to remove magnetic substances from the crushed silicon material discharged from the crushing device outlet and then reuse the crushed silicon material.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] This utility model provides a crushing device with magnetic separation function, including:

[0008] The main body of the crushing equipment is used to crush the recycled material into silicon fragments.

[0009] The vibrating feeder has its inlet end connected to the outlet end of the main body of the crushing equipment;

[0010] The feeding conveyor belt is positioned below the outlet of the vibrating feeder;

[0011] The climbing belt is inclinedly arranged between the loading conveyor belt and the unloading conveyor belt;

[0012] The unloading conveyor belt is positioned diagonally above the loading conveyor belt;

[0013] The magnetic roller is rotatably mounted on the upper side of the climbing belt to attract magnetic substances from the crushed silicon material on the climbing belt.

[0014] Dustproof structures are used to prevent dust from entering the inlet of the climbing conveyor belt, the feeding conveyor belt, and / or the unloading conveyor belt.

[0015] In some embodiments of this utility model, the dustproof structure includes a dustproof housing, and the climbing belt is covered inside the dustproof housing.

[0016] In some embodiments of this utility model, the dustproof structure includes a feeding dust cover, which is disposed above the inlet end of the feeding conveyor belt and near the outlet of the vibrating feeder.

[0017] In some embodiments of this utility model, the dustproof structure includes a material feeding dust cover, which is disposed above the material feeding conveyor belt.

[0018] In some embodiments of this utility model, the dustproof structure includes a dust baffle plate that spans across the outlet end of the material conveyor belt.

[0019] In some embodiments of this utility model, the dustproof structure further includes:

[0020] Support plates are installed on both sides of the outlet end of the material conveyor belt; arc grooves are provided on the support plates;

[0021] The connecting plate is slidably connected to the arc-shaped groove and can be positioned in a designated location; the dust baffle is connected to the top of the connecting plate.

[0022] In some embodiments of this utility model, the feeding conveyor belt is driven by a feeding motor; the climbing conveyor belt is driven by a climbing motor; and the unloading conveyor belt is driven by a unloading motor.

[0023] In some embodiments of this utility model, a control mechanism is also included, which is used to control the output power of the feeding motor, the climbing motor and the unloading motor.

[0024] In some embodiments of this utility model, the control mechanism includes a feed flow sensor and a controller; the feed flow sensor is used to monitor the feed flow of crushed silicon material on the feed conveyor belt; the controller adjusts the output power of the feed motor, the climbing motor and the unloading motor according to the feed flow.

[0025] In some embodiments of this utility model, the control mechanism further includes a magnetic field strength sensor for monitoring the magnetic field strength near the magnetic roller; the controller adjusts the output power of the feeding motor, the climbing motor and the unloading motor according to the magnetic field strength.

[0026] The embodiments of this utility model have at least the following advantages or beneficial effects:

[0027] 1. Based on the original crushing equipment (the main body of the crushing equipment), a vibrating feeder, a feeding conveyor belt, a climbing belt, a discharging conveyor belt, and a magnetic roller were added. This not only realizes the transportation of crushed silicon material from upstream to downstream, but also enables the magnetic materials in the crushed silicon material to be adsorbed and separated by rotating the magnetic roller set on the upper side of the climbing belt. This gives the crushing equipment a magnetic separation function, which facilitates the subsequent reuse of crushed silicon material.

[0028] 2. Dustproof structures are installed at the inlet end of the climbing belt, the feeding conveyor belt and / or the outlet end of the unloading conveyor belt to effectively prevent dust from falling and avoid contaminating the broken silicon material.

[0029] Other features and advantages of this invention will be set forth in the following description. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 A schematic diagram of a crushing device with magnetic separation function;

[0032] Figure 2 for Figure 1 Top view of the loading conveyor belt, the climbing conveyor belt, and the unloading conveyor belt;

[0033] Figure 3 for Figure 1 A structural schematic diagram of a partially enlarged view of position A in the middle.

[0034] icon:

[0035] 1-Main body of the crushing equipment,

[0036] 2- Vibrating feeder,

[0037] 3-Feeding conveyor belt, 31-Feeding dust cover, 32-Dust suction pipe,

[0038] 4- Climbing belt, 41- Dustproof housing,

[0039] 5-Feeding conveyor belt, 51-Support plate, 511-Arc groove, 52-Connecting plate, 53-Dust baffle, 54-Feeding dust cover

[0040] 6-Rack. Detailed Implementation

[0041] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the present invention.

[0042] In the description of the embodiments of this utility model, it should be understood that the terms "upper", "lower", "top", "inner", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0043] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0044] The embodiments of this utility model will be described in detail below.

[0045] See Figures 1-3 This embodiment provides a crushing device with magnetic separation function, including:

[0046] The main body of the crushing equipment 1 is used to crush the recycled material into silicon fragments.

[0047] The vibrating feeder 2 is located on the right side of the main body 1 of the crushing equipment, and the inlet end of the vibrating feeder 2 is connected to the outlet end of the main body 1 of the crushing equipment.

[0048] The feeding conveyor belt 3 is horizontally arranged below the outlet of the vibrating feeder 2 via the frame 6 and is driven by the feeding motor. The outlet of the vibrating feeder 2 is located above the feeding conveyor belt 3.

[0049] The climbing belt 4 is driven by a climbing motor and is inclinedly arranged between the feeding conveyor belt 3 and the unloading conveyor belt 5 via the frame 6.

[0050] The unloading conveyor belt 5 is horizontally arranged above (to the upper right) the loading conveyor belt 3 via the frame 6 and is driven by the unloading motor.

[0051] The magnetic roller is rotated and positioned on the upper side of the climbing belt 4 to adsorb magnetic substances in the crushed silicon material on the climbing belt 4.

[0052] This embodiment adds a vibrating feeder 2, a feeding conveyor belt 3, a climbing belt 4, a discharging conveyor belt 5, and a magnetic roller to the original crushing equipment (crushing equipment body 1). This not only realizes the transportation of crushed silicon material (3-70mm in size) from upstream to downstream, but also enables the magnetic materials in the crushed silicon material to be adsorbed and separated by rotating the magnetic roller set on the upper side of the climbing belt 4, so that the crushing equipment has a magnetic separation function, which facilitates the subsequent reuse of crushed silicon material.

[0053] This embodiment requires dust protection. The upper side of the lifting belt 4 is covered inside the dustproof housing 41, and the magnetic roller is rotatably connected to the dustproof housing 41. This embodiment also includes a feeding dustproof mechanism and a discharging dustproof mechanism to achieve a comprehensive dustproof effect during the magnetic separation of the crushed silicon material. The dustproof housing 41, the feeding dustproof mechanism, and the discharging dustproof mechanism constitute a dustproof structure. The dustproof structure is set at the inlet end of the lifting belt 4 and the feeding conveyor belt 3 and / or the outlet end of the discharging conveyor belt 5, which can effectively prevent dust from falling and avoid contaminating the crushed silicon material.

[0054] The feeding dust prevention mechanism is located above the inlet end of the feeding conveyor belt 3 and near the outlet of the vibrating feeder 2. The feeding dust prevention mechanism includes a feeding dust cover 31, which is connected to a dust suction pipe 32 to achieve a better dust prevention effect at the feeding conveyor belt 3.

[0055] The material feeding dust prevention mechanism includes a material feeding dust cover 54, a support plate 51, a connecting plate 52, and a dust baffle 53.

[0056] The material feeding dust cover 54 is installed above the material feeding conveyor belt 5.

[0057] The support plate 51 is installed on the frame 6 on both sides of the outlet end of the feeding conveyor belt 5; the support plate 51 is provided with an arc groove 511.

[0058] The connecting plate 52 is slidably connected to the arc groove 511 and can be positioned at a specified position (such as by using friction to limit the positioning).

[0059] The dust baffle 53 spans across the outlet end of the material conveyor belt 5 and is connected to the top of the connecting plate 52.

[0060] The dust cover 54 effectively prevents dust from falling. The dust baffle 53 provides dust protection at the unloading point of the material conveyor belt 5. The support plate 51 and connecting plate 52 allow the position and angle of the dust baffle 53 to be adjusted, making it more flexible in use.

[0061] This embodiment also includes a control mechanism (not shown in the figure), which is used to control the output power of the feeding motor, the climbing motor, and the unloading motor. The control mechanism includes a feeding flow sensor, a magnetic field strength sensor, and a controller.

[0062] A feed flow sensor is installed at the outlet of the vibrating feeder 2 to monitor the feed flow rate of crushed silicon material on the feed conveyor belt 3.

[0063] A magnetic field strength sensor is installed at the magnetic roller to monitor the magnetic field strength near the magnetic roller.

[0064] The controller is set up on-site. The output terminals of the magnetic field strength sensor and the feed flow sensor are both connected to the input terminal of the controller. The output terminal of the controller is connected to the control terminals of the feed motor, the climbing motor, and the unloading motor to automatically adjust the output power of the feed motor, the climbing motor, and the unloading motor according to the feed flow and magnetic field strength, so that the material conveying rate is appropriate and the magnetic separation effect of the equipment is always in the best state, thereby improving the intelligence level and stability of the equipment operation.

[0065] Finally, it should be noted that the above are merely preferred embodiments of this application and are not intended to limit this application. For those skilled in the art, this application can have various modifications and variations. Without conflict, the embodiments and features described in the embodiments of this application can be arbitrarily combined with each other. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A crushing device with magnetic separation function, characterized in that, include: The main body of the crushing equipment is used to crush the recycled material into silicon fragments. A vibrating feeder, the inlet end of which is connected to the outlet end of the main body of the crushing equipment; The feeding conveyor belt is arranged below the outlet of the vibrating feeder; The climbing belt is inclinedly arranged between the loading conveyor belt and the unloading conveyor belt; The unloading conveyor belt is arranged diagonally above the loading conveyor belt; A magnetic roller is rotatably mounted on the upper side of the climbing belt to adsorb magnetic substances in the crushed silicon material on the climbing belt. A dustproof structure is provided to prevent dust accumulation at the inlet end of the climbing belt, the feeding conveyor belt, and / or the outlet end of the unloading conveyor belt.

2. The crushing equipment with magnetic separation function according to claim 1, characterized in that, The dustproof structure includes a dustproof housing, and the climbing belt is covered inside the dustproof housing.

3. The crushing equipment with magnetic separation function according to claim 1, characterized in that, The dustproof structure includes a feeding dust cover, which is disposed above the inlet end of the feeding conveyor belt and near the outlet of the vibrating feeder.

4. The crushing equipment with magnetic separation function according to claim 1, characterized in that, The dustproof structure includes a material discharge dust cover, which is positioned above the material discharge conveyor belt.

5. The crushing equipment with magnetic separation function according to claim 4, characterized in that, The dustproof structure includes a dust baffle plate that spans across the outlet end of the unloading conveyor belt.

6. The crushing equipment with magnetic separation function according to claim 5, characterized in that, The dustproof structure also includes: Support plates are installed on both sides of the outlet end of the feeding conveyor belt; arc grooves are formed on the support plates; The connecting plate is slidably connected to the arc-shaped groove and can be positioned at a designated location; the dust baffle is connected to the top of the connecting plate.

7. The crushing equipment with magnetic separation function according to any one of claims 1 to 6, characterized in that, The feeding conveyor belt is driven by a feeding motor; the climbing conveyor belt is driven by a climbing motor; and the unloading conveyor belt is driven by a unloading motor.

8. The crushing equipment with magnetic separation function according to claim 7, characterized in that, It also includes a control mechanism for controlling the output power of the feeding motor, the climbing motor and the unloading motor.

9. The crushing equipment with magnetic separation function according to claim 8, characterized in that, The control mechanism includes a feed flow sensor and a controller; the feed flow sensor is used to monitor the feed flow rate of crushed silicon material on the feed conveyor belt; the controller adjusts the output power of the feed motor, the climbing motor and the unloading motor according to the feed flow rate.

10. The crushing equipment with magnetic separation function according to claim 9, characterized in that, The control mechanism also includes a magnetic field strength sensor for monitoring the magnetic field strength near the magnetic roller; the controller adjusts the output power of the feeding motor, the climbing motor and the unloading motor according to the magnetic field strength.

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