Device used to arrange silicon wafers in a chemical solution

Abstract

The invention discloses a device for discharging silicon wafers in a chemical solution when reacting, comprising a box body, a bottom tank, a waste discharge device, a filtering device, an outer tank waste discharge port and a bottom tank waste discharge port. A filtering device is arranged below the bottom tank, the filtering device comprises a filter screen, a fixing block and a handle, bases are arranged on both sides of the filtering device, the bottom tank is connected to the waste discharge device by an interlocking manner, the bottom of the waste discharge device is fixedly connected to a motor, the motor is connected to a rotating column by an interlocking manner, and the rotating column is connected to fan blades by welding. Precipitates generated when the silicon wafer reacts with the chemical can be circulated and discharged by operating a switch button, the process can be optimized, the appearance of the silicon wafer is significantly improved, and the overall yield and efficiency of the workshop can be improved. The invented device has a reasonable structure, is convenient and quick to operate, can optimize the appearance of the silicon wafer, improve efficiency and yield, and has extremely high use value and promotion value.

Description

Technical Field

[0001] The invention relates to the technical field of solar photovoltaics, in particular to a device for arranging silicon slices when reacting in a chemical solution. Background Art

[0002] The silicon content in the earth's crust is 25.8%, which provides an inexhaustible source for the production of monocrystalline silicon. Since silicon is one of the most abundant elements in the earth's crust, for products such as solar cells that are destined to enter the mass market, the advantage of reserves is also one of the reasons why silicon has become the main material for photovoltaics;

[0003] Currently, in the processing and production of crystalline silicon solar cells, silicon wafers are discharged through internal circulation during texturing and polishing in wet machines. The precipitates produced by the reaction of silicon wafers with chemicals cannot be discharged in time and are easily accumulated at the bottom of the tank, which has an adverse effect on product quality. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a device for discharging silicon wafers in a chemical solution in a fixed manner. By installing a waste discharge device, a switch button and a filtering device, the problem that in the current processing and production process of crystalline silicon solar cells, silicon wafers are discharged through internal circulation during texturing and polishing on a wet machine, and the precipitates produced by the reaction of silicon wafers with chemicals cannot be discharged in time, and are easily accumulated at the bottom of the tank, which has an adverse effect on product quality.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the present invention is implemented through the following technical scheme: a device for discharging silicon wafers in a chemical solution, comprising a box body, a bottom trough, a base, a waste discharge device, a filtering device, a rotating shaft, an outer trough waste discharge port and a bottom trough waste discharge port, a bottom trough is provided at the bottom of the box body, a cover plate is provided at the top of the box body, a filtering device is provided at the bottom of the bottom trough, the filtering device comprises a filter screen, a fixing block and a handle, bases are provided on both sides of the filtering device, the bottom trough is connected to the waste discharge device by an interlocking manner, the bottom of the waste discharge device is fixedly connected to a motor, the motor is connected to a rotating column by an interlocking manner, and the rotating column is connected to fan blades by welding.

[0008] Preferably, the box is connected to the switch button by means of an interlocking manner, and the box is fixedly connected to the battery.

[0009] Preferably, the box body is connected to the waste outlet of the outer tank by welding, and the filter device is connected to the waste outlet of the bottom tank by engaging.

[0010] Preferably, the filter device is fixedly connected to the pipeline, the filter device is connected to the filter screen by means of interlocking, the filter screen is fixedly connected to the fixing block, and the fixing block is connected to the handle by means of welding.

[0011] Preferably, the bottom trough is connected to the base by welding, and the base is symmetrically distributed.

[0012] Preferably, the box body is connected to the rotating shaft by threads, and the rotating shaft is connected to the cover plate by welding.

[0013] (III) Beneficial effects

[0014] The present invention provides a device for arranging silicon wafers when reacting in a chemical solution. It has the following beneficial effects:

[0015] (1) The device for discharging silicon wafers in a chemical solution in a fixed manner is connected to a waste discharge device through a bottom groove by means of an interlocking manner. The bottom of the waste discharge device is fixedly connected to a motor, and the motor is connected to a rotating column by means of an interlocking manner. The rotating column is connected to the fan blade by means of welding. The precipitate generated when the silicon wafer reacts with the chemical can be circulated and discharged by operating a switch button, which can optimize the process, significantly improve the appearance of the silicon wafer, and improve the overall yield and efficiency of the workshop.

[0016] (2) The device for discharging silicon wafers in a chemical solution at a predetermined time is connected to a switch button by means of a chimeric case, the case is fixedly connected to a battery, and a switch button is installed on the outside of the case. The main benefit is that the discharge time, discharge frequency, and discharge volume can be set by the switch button.

[0017] (3) The device for discharging silicon wafers in a chemical solution in a fixed manner is connected to the outer trough waste outlet by welding through the box body, and the filtering device is connected to the bottom trough waste outlet by interlocking. The waste outlet is added to the outer trough of the box body, and the normal process of the silicon wafers in the bottom trough is not affected during waste discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the structure inside the box of the present invention;

[0020] Figure 3 It is a schematic structural diagram of the waste discharge device of the present invention;

[0021] Figure 4 It is a schematic structural diagram of the filtering device of the present invention.

[0022] In the figure, box body 1, bottom tank 2, base 3, waste discharge device 4, rotating column 41, fan blade 42, motor 43, filtering device 5, filter screen 51, fixing block 52, handle 53, rotating shaft 6, cover plate 7, battery 8, switch button 9, outer tank waste discharge port 10, pipe 11, inner tank waste discharge port 12. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] See also Figure 1-4 The embodiment of the present invention provides a technical solution: a device for discharging silicon wafers in a chemical solution when reacting, comprising a box body 1, a bottom tank 2, a base 3, a waste discharge device 4, a filter device 5, a rotating shaft 6, an outer tank waste discharge port 10 and a bottom tank 2 waste discharge port 12, wherein the box body 1 is provided with a bottom tank 2, the box body 1 is provided with a cover plate 7, the bottom of the bottom tank 2 is provided with a filter device 5, the filter device 5 comprises a filter screen 51, a fixing block 52 and a handle 53, bases 3 are provided on both sides of the filter device 5, the bottom tank 2 is connected to the waste discharge device 4 by an interlocking manner, the bottom of the waste discharge device 4 is fixedly connected to a motor 43, the motor 43 is connected to a rotating column 41 by an interlocking manner, and the rotating column 41 is connected to a fan blade 42 by welding, the precipitate generated when the silicon wafer reacts with the chemical can be circulated and discharged by operating a switch button 9, the process can be optimized, the appearance of the silicon wafer is significantly improved, and the overall yield and efficiency of the workshop can be improved.

[0025] The box body 1 is connected to the switch button 9 by means of an interlocking manner. The box body 1 is fixedly connected to the battery 8. The switch button 9 is installed on the outside of the box body 1. The main benefit is that the discharge time, discharge frequency and discharge volume can be set by the switch button 9.

[0026] The box body 1 is connected to the outer tank waste outlet 10 by welding, and the filter device 5 is connected to the bottom tank 2 waste outlet 12 by interlocking. Adding a waste outlet to the outer tank of the box body 1 does not affect the normal process of the silicon wafers in the bottom tank 2 when discharging waste.

[0027] The filter device 5 is fixedly connected to the pipe 11, the filter device 5 is connected to the filter screen 51 by means of an interlocking manner, the filter screen 51 is fixedly connected to the fixing block 52, and the fixing block 52 is connected to the handle 53 by means of welding. By installing the filter device 5 at the bottom of the box body 1, the main benefit is that the sediment can be filtered, and the filter screen 51 can be taken out for further processing of the sediment.

[0028] The bottom trough 2 is connected to the base 3 by welding, and the base 3 is symmetrically distributed. By installing the base 3 under the box body 1, the main benefit is that a working space can be provided for the waste discharge device 4.

[0029] The box body 1 is connected to the rotating shaft 6 by threads, and the rotating shaft 6 is connected to the cover plate 7 by welding. By installing the cover plate 6 above the box body 1, the main benefit is that the reaction work can be enclosed inside the box body 1 to prevent external impurities from falling into the box body 1.

[0030] Working principle: When using this device, add chemicals into the box 1, then pull the cover 7, the shaft 6 is forced to drive the cover 7 to rotate, open the cover 7 and put the silicon wafer into the box 1, after the silicon wafer is soaked, it will produce a lot of sediment with the external chemical agent, use the switch button 9 outside the box 1 to turn on the waste discharge device 4, the motor 43 is powered on and drives the top rotating column 41 to start rotating, the rotating column 41 drives the external fan blades 42 to start rotating at high speed, and the rotation of the fan blades 42 generates suction, which can remove the sediment in the box The sediment at the bottom is rolled up and then sucked into the pipe 11, and the medicine carrying the sediment enters the filter device 5 through the pipe 11. The sediment is filtered by the filter screen 51 and remains outside the filter screen 51. After the waste discharge work is completed, pull the handle 53, and the handle 53 pulls out the filter screen 51 through the fixed block 52. Then the sediment can be further processed. The switch button 9 can be used to set the time to turn on the motor 43 to discharge the sediment inside the box 1, and the outer tank waste outlet 10 outside the box 1 can also be used to discharge waste from the inside of the box 1.

[0031] The box body 1, bottom tank 2, base 3, waste discharge device 4, rotating column 41, fan blades 42, motor 43, filtering device 5, filter screen 51, fixing block 52, handle 53, rotating shaft 6, cover plate 7, battery 8, switch button 9, outer tank waste outlet 10, pipeline 11, inner tank waste outlet 12 of the present invention are all universal standard parts or parts known to technical personnel in this field, and their structures and principles can be known to technical personnel in this field through technical manuals or through conventional experimental methods. The problem solved by the present invention is that the existing quartz boat cleaning machine has a simple tank structure and a single function. The present invention solves the problem that in the current processing and production process of crystalline silicon solar cells, silicon wafers are discharged through internal circulation during metallization and polishing on a wet machine, and the precipitates generated by the reaction of silicon wafers with chemicals cannot be discharged in time and are easily accumulated at the bottom of the tank, thereby adversely affecting product quality.

[0032] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0033] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A device for arranging silicon wafers when reacting in a chemical solution, characterized in that: The invention comprises a box body (1), a bottom groove (2), a base (3), a waste discharge device (4), a filtering device (5), a rotating shaft (6), an outer groove waste discharge port (10) and a bottom groove (2) waste discharge port (12); the bottom of the box body (1) is provided with a bottom groove (2); the top of the box body (1) is provided with a cover plate (7); the bottom of the bottom groove (2) is provided with a filtering device (5); the filtering device (5) comprises a filter screen (51), a fixing block (52) and a handle (53); bases (3) are provided on both sides of the filtering device (5); the bottom groove (2) is connected to the waste discharge device (4) by means of an interlocking manner; the bottom of the waste discharge device (4) is fixedly connected to a motor (43); the motor (43) is connected to a rotating column (41) by means of an interlocking manner; the rotating column (41) is connected to a fan blade (42) by means of welding.

2. The device for arranging silicon wafers when reacting in a chemical solution according to claim 1, characterized in that: The box body (1) is connected to a switch button (9) by means of an interlocking manner, and the box body (1) is fixedly connected to a storage battery (8).

3. The device for arranging silicon wafers when reacting in a chemical solution according to claim 1, characterized in that: The box body (1) is connected to the waste outlet (10) of the outer tank by welding, and the filter device (5) is connected to the waste outlet (12) of the bottom tank (2) by engaging.

4. The device for arranging silicon wafers when reacting in a chemical solution according to claim 1, characterized in that: The filter device (5) is fixedly connected to the pipeline (11), the filter device (5) is connected to the filter screen (51) by means of an interlocking manner, the filter screen (51) is fixedly connected to the fixing block (52), and the fixing block (52) is connected to the handle (53) by means of welding.

5. The device for arranging silicon wafers when reacting in a chemical solution according to claim 1, characterized in that: The bottom trough (2) is connected to the base (3) by welding, and the base (3) is symmetrically distributed.

6. The device for arranging silicon wafers when reacting in a chemical solution according to claim 1, characterized in that: The box body (1) is connected to the rotating shaft (6) by means of threads, and the rotating shaft (6) is connected to the cover plate (7) by means of welding.

Images