CN215467009U - Solar cell chip recovery device - Google Patents
Solar cell chip recovery device Download PDFInfo
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- CN215467009U CN215467009U CN202122038093.5U CN202122038093U CN215467009U CN 215467009 U CN215467009 U CN 215467009U CN 202122038093 U CN202122038093 U CN 202122038093U CN 215467009 U CN215467009 U CN 215467009U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/20—Waste processing or separation
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Abstract
The utility model aims to solve the technical problem of providing a solar cell chip recovery device which utilizes the generated acid waste liquid to recover unqualified solar cell chips and broken cell chips and realize the recovery and utilization of materials such as silicon materials, so that part of materials are recycled, the generation cost is reduced, and the direct discharge and environmental pollution are avoided. The solar cell chip recovery device comprises a conveying device, a first soaking pool, a first cleaning pool, a second soaking pool, a second cleaning pool, a third soaking pool, a third cleaning pool, an air drying device, a reaction pool, an electric slide rail, a power supply and a plurality of soaking boxes; through the effect of three fermentation vat and washing pond, alright pure silicon chip and, through chemical reaction alright obtain silver chloride sediment and aluminiferous waste liquid, aluminiferous waste liquid obtains aluminium oxide through chemical mode, easy operation is fit for popularizing and applying in solar energy technical field.
Description
Technical Field
The utility model relates to the technical field of solar energy, in particular to a solar cell chip recovery device.
Background
The general service life of a photovoltaic solar panel is 25 years, after the service life is prolonged, the conversion efficiency of a solar cell can be sharply reduced until the solar cell is invalid or scrapped, a cell fragment can be generated in the production process of a component, an acid-base waste liquid can be generated in the production process of a solar chip, and if the unqualified solar cell chip, the crushed cell chip and the acid-base waste liquid are directly lost, the waste of resources can be caused, and the environment can be polluted and damaged to a certain extent.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a solar cell chip recovery device which utilizes the generated acid waste liquid to recover unqualified solar cell chips and broken cell chips and realize the recovery and utilization of materials such as silicon materials, so that part of materials are recycled, the generation cost is reduced, and the direct discharge and environmental pollution are avoided.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the solar cell chip recovery device comprises a conveying device, a first soaking pool, a first cleaning pool, a second soaking pool, a second cleaning pool, a third soaking pool, a third cleaning pool, an air drying device, a reaction pool, an electric slide rail, a power supply and a plurality of soaking boxes;
the conveying device, the first soaking pool, the first cleaning pool, the second soaking pool, the second cleaning pool, the third soaking pool and the third cleaning pool are sequentially arranged from left to right, and the air drying device is arranged right in front of the third cleaning pool;
a first fixing frame is arranged between the conveying device and the first soaking pool, a second fixing frame is arranged at the right end of the third cleaning pool, the left end of the electric sliding rail is fixed on the first fixing frame, the right end of the electric sliding rail is fixed on the second fixing frame, a height-adjustable device is arranged on a sliding block of the electric sliding rail, and the soaking box is fixed on the height-adjustable device through a detachable structure;
each soaking tank comprises a tank body with an opening at the upper end, and a plurality of liquid leakage through holes are formed in the side wall and the bottom wall of the tank body;
the first soaking pool is used for containing hydrochloric acid waste liquid discharged in the production of the solar cell chip; the second soaking tank is used for containing hydrofluoric acid waste liquid discharged in the production of the solar cell chip, the third soaking tank is used for containing nitric acid waste liquid discharged in the production of the solar cell chip, and the first cleaning tank, the second cleaning tank and the third cleaning tank are all used for collecting waste water after cleaning;
all be provided with the cyclic annular water pipe of rectangle on the lateral wall in first washing pond, second washing pond, third washing pond, every cyclic annular water pipe of rectangle all links to each other with external water source through connecting the connecting pipe, all is provided with the solenoid valve on every connecting pipe, vertically on the lateral wall of every cyclic annular water pipe of rectangle be provided with two delivery pipes, the upper end of every delivery pipe and the interval that corresponds between the washing pond upper end are greater than the height of soaking the case, the upper end of every delivery pipe all is provided with high pressure nozzle, two high pressure nozzle set up relatively.
The reaction tank is arranged between the first soaking tank and the third soaking tank and is positioned in front of the second soaking tank, a first liquid pump is arranged between the first soaking tank and the reaction tank, a first liquid pipe is arranged between the first soaking tank and the first liquid pump, one end of the first liquid pipe is fixed at the lower end of the front side wall of the first soaking tank, the inner cavity of the first liquid pipe is communicated with the inner cavity of the first soaking tank, the other end of the first liquid pipe is connected with the liquid inlet of the first liquid pump, a second liquid pipe is arranged between the first liquid pump and the reaction tank, one end of the second liquid pipe is connected with the liquid outlet of the first liquid pump, the other end of the second liquid pipe extends into the reaction tank from the opening at the upper end of the reaction tank, a second liquid pump is arranged between the third soaking tank and the reaction tank, and a third liquid pipe is arranged between the third soaking tank and the second liquid pump, one end of the third liquid pipe is fixed at the lower end of the front side wall of the third soaking pool, the inner cavity of the third liquid pipe is communicated with the inner cavity of the third soaking pool, the other end of the third liquid pipe is connected with a liquid inlet of the second liquid pump, a fourth liquid pipe is arranged between the second liquid pump and the reaction pool, one end of the fourth liquid pipe is connected with a liquid outlet of the second liquid pump, and the other end of the fourth liquid pipe extends into the reaction pool from an upper end opening of the reaction pool;
the automatic drying machine is characterized by further comprising a controller, a display, a timer, a first PH value sensor, a second PH value sensor and a third PH value sensor, wherein the first PH value sensor, the second PH value sensor and the third PH value sensor are respectively arranged in a first soaking pool, a second soaking pool and a third soaking pool, the controller, the first PH value sensor, the second PH value sensor, the third PH value sensor, an air drying device, an electric sliding rail, an electromagnetic valve, a display and the timer are respectively electrically connected with a power supply, and the first PH value sensor, the second PH value sensor, the third PH value sensor, the air drying device, the electric sliding rail, the electromagnetic valve, the display and the timer are respectively in signal connection with the controller.
Further, the height-adjustable device is an electric telescopic rod, the electric telescopic rod is vertically arranged downwards, a base of the electric telescopic rod is fixed on a sliding block of the electric sliding rail, and the soaking box is fixed at the lower end of the electric telescopic rod through a detachable structure.
Further, detachable construction includes first slope pole, second slope pole, the lower extreme of first slope pole is fixed in the middle part of soaking the preceding lateral wall upper end of case to one side, the lower extreme of second slope pole is fixed in the middle part of soaking the back lateral wall upper end of case to one side, the upper end and the first slope pole upper end fixed connection of second slope pole just constitute a structure of falling V-arrangement jointly, still include the couple, the couple is fixed at electric telescopic handle's lower extreme.
Furthermore, the first pH value sensor, the second pH value sensor and the third pH value sensor are all sensors with the model of DPS-600.
Further, the air drying device adopts a T35 axial flow fan.
Further, the electric telescopic rod is an electric telescopic rod with the model of LAP 63.
Furthermore, the soaking box, the first soaking pool, the first cleaning pool, the second soaking pool, the second cleaning pool, the third soaking pool and the third cleaning pool are all made of acid-resistant materials.
Further, the controller adopts a single chip microcomputer with the model number of STM 32F 2.
Further, a first liquid injection pipe with a pipe plug is arranged at the upper end of the rear side wall of the first soaking pool, a first liquid discharge pipe with a pipe plug is arranged at the lower end of the rear side wall of the first cleaning pool and is tangent to the upper surface of the bottom wall of the first cleaning pool, a second liquid injection pipe with a pipe plug is arranged at the upper end of the rear side wall of the second soaking pool, a second liquid discharge pipe with a pipe plug is arranged at the lower end of the rear side wall of the second soaking pool and is tangent to the upper surface of the bottom wall of the second soaking pool, a third liquid discharge pipe with a pipe plug is arranged at the lower end of the rear side wall of the second cleaning pool and is tangent to the upper surface of the bottom wall of the second cleaning pool, a third liquid injection pipe with a pipe plug is arranged at the upper end of the rear side wall of the third soaking pool, a fourth liquid discharge pipe with a pipe plug is arranged at the lower end of the rear side wall of the third cleaning pool and is tangent to the upper surface of the bottom wall of the third cleaning pool, and a fifth liquid discharge pipe with a pipe plug is arranged at the lower end of the front side wall of the reaction tank, and the fifth liquid discharge pipe is tangent to the upper surface of the bottom wall of the reaction tank.
Further, the timer is a 555 model timer.
The utility model has the beneficial effects that: when the solar cell chip recovery device is used, firstly, a certain amount of hydrochloric acid waste liquid generated in the production process of a solar cell chip is added into a first soaking pool, a certain amount of hydrofluoric acid waste liquid generated in the production process of the solar cell chip is added into a second soaking pool, a certain amount of nitric acid waste liquid generated in the production process of the solar cell chip is added into a third soaking pool, then one of a plurality of soaking boxes is fixed on a height-adjustable device through a detachable structure, then an electric sliding rail is controlled to be started through a controller to move the soaking box to the tail end of a conveying device, then the height-adjustable device is controlled through the controller to adjust the height of the soaking box, so that the tail end of the conveying device is positioned above the soaking box, then the conveying device is started, the solar cell chip to be recovered is conveyed into the soaking box through the conveying device, and when the solar cell chip in the soaking box reaches a certain amount, stopping the conveying device, controlling and starting the electric slide rail through the controller to drive the soaking box to move to the position right above the first soaking pool, slowly lowering the soaking box with the solar cell chips into the first soaking pool through the controller to enable the soaking box to be completely soaked in the hydrochloric acid waste liquid for a certain time, obtaining the aluminum-removed solar cell chips after soaking is finished, controlling the height-adjustable device through the controller to lift the soaking box to the position above the first soaking pool, controlling the electric slide rail to move to the position right above the first cleaning pool through the controller, lowering the soaking box into the position between two high-pressure spray heads of the first cleaning pool through the controller, controlling and opening an electromagnetic valve on the first cleaning pool through the controller to clean the aluminum-removed solar cell chips in the soaking box, draining water after cleaning, then lifting the soaking tank upwards to the upper part of a first cleaning pool by a controller-controlled height-adjustable device, then controlling an electric slide rail by a controller to drive the soaking tank to move to the right upper part of a second soaking pool, then controlling a height-adjustable device by the controller to lower the soaking tank into the second soaking pool to be completely soaked in hydrofluoric acid waste liquid for a certain time, separating the soaking tank from the height-adjustable device by a detachable structure when the first soaking tank is positioned in the second soaking pool, then controlling the electric slide rail by the controller to move to the position of other unused soaking tanks, then fixing the second soaking tank on the height-adjustable device by the detachable structure, repeating the steps of the first soaking tank, and separating the soaking tanks into the soaking pools by the detachable structure after the soaking tanks are positioned in the soaking pools, the controller controls the electric slide rail to move to other positions for working, so that three soaking tanks can be reasonably utilized to work simultaneously, the recovery efficiency is effectively improved, after the first soaking tank is soaked in the second soaking tank, the silicon nitride-removed solar cell chip is obtained, the controller controls the height-adjustable device to lift the first soaking tank upwards to the upper part of the second soaking tank, then the controller controls the electric slide rail to move to the position right above the second cleaning tank, then the controller controls the height-adjustable device to put the first soaking tank down between two high-pressure spray heads of the second cleaning tank, then the controller controls the electromagnetic valve on the second cleaning tank to be opened, the silicon nitride-removed solar cell chip in the first soaking tank is cleaned, and the cleaned wastewater is collected by the second cleaning tank for subsequent treatment, draining water after cleaning is finished, lifting a first soaking tank to the position above three cleaning ponds by a controller-controlled height adjustable device, moving the first soaking tank to the position above a third soaking pond by a controller-controlled electric slide rail, lowering the first soaking tank into the third soaking pond by the controller-controlled height adjustable device to be completely soaked in nitric acid waste liquid for a certain time, obtaining a silver-removed solar cell chip after soaking is finished, lifting the first soaking tank to the position above the third soaking pond by the controller-controlled height adjustable device, moving the electric slide rail to the position above the third cleaning pond by the controller-controlled electric slide rail, lowering the first soaking tank between two high-pressure spray nozzles of the three cleaning ponds by the controller-controlled height adjustable device, and opening an electromagnetic valve on the three cleaning ponds by the controller-controlled electromagnetic valve, the method comprises the steps of cleaning the silver-removed solar cell chip in a first soaking tank, collecting the cleaned wastewater through a third cleaning pool, draining off water after cleaning is finished, starting an air drying device under the control of a controller to air-dry the silver-removed solar cell chip of the soaking tank to obtain a pure silicon wafer, detecting the conditions of acid liquor in the three soaking pools through a first pH value sensor, a second pH value sensor and a third pH value sensor, displaying the conditions through a display, facilitating timely replacement of liquid in the soaking pool by a worker, controlling the soaking duration through a timer, pumping the solution soaked in the first soaking pool into a reaction pool through a first liquid pump, pumping the solution treated in the soaking pool in the third soaking pool into the reaction pool through a second liquid pump, and obtaining silver chloride precipitate and aluminum-containing waste liquid through chemical reaction, the aluminum-containing waste liquid is chemically prepared into aluminum oxide.
Drawings
FIG. 1 is a schematic structural diagram of the solar cell chip recycling device according to the present invention;
FIG. 2 is a schematic view of the construction of the combination of the steeping box, the detachable construction and the height adjustable device of the present invention;
FIG. 3 is a schematic view of a partial structure of a solar cell chip recycling device according to the present invention;
the notation in the figure is: the device comprises a conveying device 1, a first soaking pool 2, a first cleaning pool 3, a second soaking pool 4, a second cleaning pool 5, a third soaking pool 6, a third cleaning pool 7, an air drying device 8, a reaction pool 9, an electric slide rail 10, a soaking box 11, a first fixing frame 12, a second fixing frame 13, a connecting water pipe 14, a liquid leakage through hole 15, a rectangular annular water pipe 16, an electromagnetic valve 17, a water supply pipe 18, a high-pressure spray head 19, a first liquid pump 20, a first liquid pipe 21, a second liquid pipe 22, a second liquid pump 23, a third liquid pipe 24, a fourth liquid pipe 25, a controller 26, a display 27, a timer 28, a first PH value sensor 29, a second PH value sensor 30, a third PH value sensor 31, an electric telescopic rod 32, a first inclined rod 33, a second inclined rod 34, a hook 35, a first liquid injection pipe 36, a first liquid discharge pipe 37, a second liquid injection pipe 38, a second liquid discharge pipe 39, A third drain pipe 40, a third liquid injection pipe 41, a fourth drain pipe 42, and a fifth drain pipe 43.
Detailed Description
The technical scheme of the utility model is described in detail in the following with reference to the accompanying drawings.
As shown in fig. 1-3, the solar cell chip recycling device includes a conveying device 1, a first soaking tank 2, a first cleaning tank 3, a second soaking tank 4, a second cleaning tank 5, a third soaking tank 6, a third cleaning tank 7, an air drying device 8, a reaction tank 9, an electric slide rail 10, a power supply, and a plurality of soaking boxes 11;
the conveying device 1, the first soaking pool 2, the first cleaning pool 3, the second soaking pool 4, the second cleaning pool 5, the third soaking pool 6 and the third cleaning pool 7 are sequentially arranged from left to right, and the air drying device 8 is arranged right in front of the third cleaning pool 7;
a first fixing frame 12 is arranged between the conveying device 1 and the first soaking pool 2, a second fixing frame 13 is arranged at the right end of the third cleaning pool 7, the left end of the electric sliding rail 10 is fixed on the first fixing frame 12, the right end of the electric sliding rail 10 is fixed on the second fixing frame 13, a height-adjustable device is arranged on a sliding block of the electric sliding rail 10, and the soaking box 11 is fixed on the height-adjustable device through a detachable structure;
each soaking box 11 comprises a box body with an open upper end, and a plurality of liquid leakage through holes 15 are formed in the side wall and the bottom wall of the box body;
the first soaking pool 2 is used for containing hydrochloric acid waste liquid discharged in the production of solar cell chips; the second soaking tank 4 is used for containing hydrofluoric acid waste liquid discharged in the production of the solar cell chip, the third soaking tank 6 is used for containing nitric acid waste liquid discharged in the production of the solar cell chip, and the first cleaning tank 3, the second cleaning tank 5 and the third cleaning tank 7 are all used for collecting waste water after cleaning;
first washing pond 3, the second washs pond 5, all be provided with the cyclic annular water pipe 16 of rectangle on the lateral wall of third washing pond 7, every cyclic annular water pipe 16 of rectangle all links to each other with external water source through connecting water pipe 14, all be provided with solenoid valve 17 on every connecting water pipe 14, vertically on the lateral wall of every cyclic annular water pipe 16 of rectangle be provided with two delivery pipes 18, the upper end of every delivery pipe 18 and the interval that corresponds between the washing pond upper end are greater than the height of soaking case 11, the upper end of every delivery pipe 18 all is provided with high pressure nozzle 19, two high pressure nozzle 19 set up relatively.
The reaction tank 9 is arranged between the first soaking tank 2 and the third soaking tank 6 and located in front of the second soaking tank 4, a first liquid pump 20 is arranged between the first soaking tank 2 and the reaction tank 9, a first liquid pipe 21 is arranged between the first soaking tank 2 and the first liquid pump 20, one end of the first liquid pipe 21 is fixed at the lower end of the front side wall of the first soaking tank 2, the inner cavity of the first liquid pipe 21 is communicated with the inner cavity of the first soaking tank 2, the other end of the first liquid pipe 21 is connected with the liquid inlet of the first liquid pump 20, a second liquid pipe 22 is arranged between the first liquid pump 20 and the reaction tank 9, one end of the second liquid pipe 22 is connected with the liquid outlet of the first liquid pump 20, the other end of the second liquid pipe 22 extends into the reaction tank 9 from the opening at the upper end of the reaction tank 9, a second liquid pump 23 is arranged between the third soaking tank 6 and the reaction tank 9, a third liquid pipe 24 is arranged between the third soaking pool 6 and the second liquid pump 23, one end of the third liquid pipe 24 is fixed at the lower end of the front side wall of the third soaking pool 6, the inner cavity of the third liquid pipe 24 is communicated with the inner cavity of the third soaking pool 6, the other end of the third liquid pipe 24 is connected with the liquid inlet of the second liquid pump 23, a fourth liquid pipe 25 is arranged between the second liquid pump 23 and the reaction pool 9, one end of the fourth liquid pipe 25 is connected with the liquid outlet of the second liquid pump 23, and the other end of the fourth liquid pipe 25 extends into the reaction pool 9 from the upper opening of the reaction pool 9;
the air drying device is characterized by further comprising a controller 26, a display 27, a timer 28, a first PH value sensor 29, a second PH value sensor 30 and a third PH value sensor 31, wherein the first PH value sensor 29, the second PH value sensor 30 and the third PH value sensor 31 are respectively arranged in the first soaking pool 2, the second soaking pool 4 and the third soaking pool 6, the controller 26, the first PH value sensor 29, the second PH value sensor 30, the third PH value sensor 31, the air drying device 8, the electric sliding rail 10, the electromagnetic valve 17, the display 27 and the timer 28 are respectively electrically connected with a power supply, and the first PH value sensor 29, the second PH value sensor 30, the third PH value sensor 31, the air drying device 8, the electric sliding rail 10, the electromagnetic valve 17, the display 27 and the timer 28 are respectively in signal connection with the controller 26. When the solar cell chip recovery device is used, firstly, a certain amount of hydrochloric acid waste liquid generated in the production process of a solar cell chip is added into a first soaking tank 2, a certain amount of hydrofluoric acid waste liquid generated in the production process of the solar cell chip is added into a second soaking tank 4, a certain amount of nitric acid waste liquid generated in the production process of the solar cell chip is added into a third soaking tank 6, then one of a plurality of soaking tanks 11 is fixed on a height-adjustable device through a detachable structure, then an electric sliding rail 10 is controlled to be started through a controller 26 to move the soaking tank 11 to the tail end of a conveying device 1, then the height-adjustable device is controlled through a controller 26 to adjust the height of the soaking tank 11, so that the tail end of the conveying device 1 is positioned above the soaking tank 11, then the conveying device 1 is started, and the solar cell chip to be recovered is conveyed into the soaking tank 11 through the conveying device 1, when the solar cell chips in the soaking tank 11 reach a certain amount, the conveying device 1 is shut down, the controller 26 controls the electric slide rail 10 to be started to drive the soaking tank 11 to move to the position right above the first soaking pool 2, then the controller 26 controls the height adjustable device to slowly lower the soaking tank 11 with the solar cell chips into the first soaking pool 2 to be completely soaked in the hydrochloric acid waste liquid for a certain time, the aluminum-removed solar cell chips are obtained after soaking is finished, the controller 26 controls the height adjustable device to lift the soaking tank 11 upwards to the position above the first soaking pool 2, then the controller 26 controls the electric slide rail 10 to move to the position right above the first cleaning pool 3, then the controller 26 controls the height adjustable device to lower the soaking tank 11 to the position between the two high-pressure spray nozzles 19 of the first cleaning pool 3, then the electromagnetic valve 17 on the first cleaning pool 3 is opened under the control of the controller 26, the solar cell chip without aluminum in the soaking tank 11 is cleaned, after the cleaning is finished, the water is drained, then the soaking tank 11 is lifted upwards to the upper part of the first cleaning pool 3 under the control of the controller 26, then the soaking tank 11 is driven to move to the right upper part of the second soaking pool 4 under the control of the controller 26, the soaking tank 11 is lowered into the second soaking pool 4 under the control of the controller 26 to be completely soaked in hydrofluoric acid waste liquid for a certain time, when the first soaking tank 11 is positioned in the second soaking pool 4, the soaking tank 11 is separated from the height adjustable device through a detachable structure, then the controller 26 controls the electric sliding rail 10 to move to the positions of other unused soaking tanks 11, then the second soaking tank 11 is fixed on the height adjustable device through a detachable structure, the first soaking tank 11 is repeatedly carried out, after the soaking tank 11 is placed in the soaking tank, the soaking tank is separated and independently placed in the soaking tank through the detachable structure, the controller 26 controls the electric slide rail 10 to move to other positions for working, so that the three soaking tanks 11 can be reasonably utilized to simultaneously work, the recovery efficiency is effectively improved, a silicon nitride-removed solar cell chip is obtained after the first soaking tank 11 is soaked in the second soaking tank 4, the controller 26 controls the height adjustable device to lift the first soaking tank 11 upwards to the position above the second soaking tank 4, then the electric slide rail 10 is controlled by the controller 26 to move to the position right above the second cleaning tank 5, then the controller 26 controls the height adjustable device to lower the first soaking tank 11 to be placed between the two high-pressure spray nozzles 19 of the second cleaning tank 5, then the electromagnetic valve 17 on the second cleaning pool 5 is opened under the control of the controller 26, the silicon nitride-removed solar cell chip in the first soaking tank 11 is cleaned, the cleaned wastewater is collected by the second cleaning pool 5 for subsequent treatment, after the cleaning is finished, the water is drained, then the height-adjustable device is controlled by the controller 26 to lift the first soaking tank 11 to the upper part of the third cleaning pool, then the electric slide rail 10 is controlled by the controller 26 to move the first soaking tank 11 to the position right above the third soaking pool 6, then the height-adjustable device is controlled by the controller 26 to lower the soaking tank 11 into the third soaking pool 6 to be completely soaked in the nitric acid waste liquid for a certain period of time, after the soaking is finished, the silver-removed solar cell chip is obtained, the height-adjustable device is controlled by the controller 26 to lift the first soaking tank 11 upwards to the upper part of the third soaking pool 6, then the controller 26 controls the electric slide rail 10 to move to the position right above the third cleaning pool 7, then the controller 26 controls the height adjustable device to lower the first soaking box 11 to be arranged between the two high-pressure spray nozzles 19 of the third cleaning pool, then the controller 26 controls the electromagnetic valve 17 on the third cleaning pool to be opened, the silver-removed solar cell chip in the first soaking box 11 is cleaned, the cleaned wastewater is collected by the third cleaning pool 7, after the cleaning is finished, the water is drained, then the controller 26 controls the air drying device 8 to be started to air-dry the silver-removed solar cell chip in the soaking box 11 to obtain a pure silicon wafer, the acid liquor conditions in the three soaking pools are detected by the first pH value sensor 29, the second pH value sensor 30 and the third pH value sensor 31, and then the acid liquor is displayed by the display 27, so that a worker can replace the liquid in the soaking pool in time, the soaking time can be controlled by the timer 28, the solution after soaking treatment in the first soaking pool 2 is pumped into the reaction pool 9 through the first liquid pump 20, meanwhile, the solution after soaking treatment in the third soaking pool 6 is pumped into the reaction pool 9 through the second liquid pump 23, silver chloride precipitate and aluminum-containing waste liquid can be obtained through chemical reaction, and the aluminum-containing waste liquid is used for obtaining aluminum oxide through a chemical mode.
In the above embodiment, preferably, the height adjustable device is an electric telescopic rod 32, the electric telescopic rod 32 is vertically arranged downwards, a base of the electric telescopic rod 32 is fixed on a sliding block of the electric sliding rail 10, the steeping box 11 is fixed at a lower end of the electric telescopic rod 32 through a detachable structure, and the electric telescopic rod 32 is in signal connection with the controller 26.
Preferably, the detachable structure preferably comprises a first inclined rod 33 and a second inclined rod 34, wherein the lower end of the first inclined rod 33 is obliquely fixed downwards at the middle part of the upper end of the front side wall of the steeping box 11, the lower end of the second inclined rod 34 is obliquely fixed downwards at the middle part of the upper end of the rear side wall of the steeping box 11, the upper end of the second inclined rod 34 and the upper end of the first inclined rod 33 are fixedly connected and jointly form an inverted V-shaped structure, and the detachable structure further comprises a hook 35, and the hook 35 is fixed at the lower end of the electric telescopic rod 32. Be located arbitrary one steeping cistern when steeping box 11, the structure of falling V-arrangement is located the top of the up end of this steeping cistern, be convenient for electric slide rail 10 area couple 35 hooks and hang the structure of falling V-arrangement, during the hook, only need to transfer couple 35 to the below of the structure upper end of falling V-arrangement through electric telescopic handle 32, then remove through electric slide rail 10 alright make the top of the structure of falling V-arrangement be located the top of couple 35, then to go up to carry draw can, when needs with couple 35 and 11 disconnect-type of steeping box, only need to transfer couple 35 to the below of the structure upper end of falling V-arrangement through electric telescopic handle 32, remove couple 35 alright be the separation of the two.
Preferably, the first pH sensor 29, the second pH sensor 30 and the third pH sensor 31 are all sensors of the type DPS-600.
Preferably, the air drying device 8 adopts a T35 axial flow fan.
Preferably, the electric telescopic rod 32 is an electric telescopic rod 32 with the model number of LAP 63.
Preferably, the soaking tank 11, the first soaking pool 2, the first cleaning pool 3, the second soaking pool 4, the second cleaning pool 5, the third soaking pool 6 and the third cleaning pool 7 are all made of acid-resistant materials. The service life of the material is prolonged by adopting acid-resistant material.
Preferably, the controller 26 is a single chip microcomputer of the model STM 32F 2.
In order to facilitate the liquid injection and drainage of the first soaking pool 2, the first cleaning pool 3, the second soaking pool 4, the second cleaning pool 5, the third soaking pool 6, the third cleaning pool 7, the air drying device 8 and the reaction pool 9, a first liquid injection pipe 36 with a pipe plug is arranged at the upper end of the rear side wall of the first soaking pool 2, a first liquid discharge pipe 37 with a pipe plug is arranged at the lower end of the rear side wall of the first cleaning pool 3, the first liquid discharge pipe 37 is tangent to the upper surface of the bottom wall of the first cleaning pool 3, a second liquid injection pipe 38 with a pipe plug is arranged at the upper end of the rear side wall of the second soaking pool 4, a second liquid discharge pipe 39 with a pipe plug is arranged at the lower end of the rear side wall of the second soaking pool 4, the second liquid discharge pipe 39 is tangent to the upper surface of the bottom wall of the second soaking pool 4, a third liquid discharge pipe 40 with a pipe plug is arranged at the lower end of the rear side wall of the second cleaning pool 5, and the third liquid discharge pipe 40 is tangent to the upper surface of the bottom wall of the second cleaning pool 5, a third liquid injection pipe 41 with a pipe plug is arranged at the upper end of the rear side wall of the third soaking pool 6, a fourth liquid discharge pipe 42 with a pipe plug is arranged at the lower end of the rear side wall of the third cleaning pool 7, the fourth liquid discharge pipe 42 is tangent to the upper surface of the bottom wall of the third cleaning pool 7, a fifth liquid discharge pipe 43 with a pipe plug is arranged at the lower end of the front side wall of the reaction pool 9, and the fifth liquid discharge pipe 43 is tangent to the upper surface of the bottom wall of the reaction pool 9. Liquid feeding and liquid discharging operations can be facilitated through the arranged liquid injection pipe and the liquid discharge pipe.
Preferably, the timer 28 is a 555 model timer.
Claims (10)
1. The utility model provides a solar cell chip recovery unit which characterized in that: the device comprises a conveying device (1), a first soaking pool (2), a first cleaning pool (3), a second soaking pool (4), a second cleaning pool (5), a third soaking pool (6), a third cleaning pool (7), an air drying device (8), a reaction pool (9), an electric slide rail (10), a power supply and a plurality of soaking boxes (11);
the conveying device (1), the first soaking pool (2), the first cleaning pool (3), the second soaking pool (4), the second cleaning pool (5), the third soaking pool (6) and the third cleaning pool (7) are sequentially arranged from left to right, and the air drying device (8) is arranged right in front of the third cleaning pool (7);
a first fixing frame (12) is arranged between the conveying device (1) and the first soaking pool (2), a second fixing frame (13) is arranged at the right end of the third cleaning pool (7), the left end of the electric sliding rail (10) is fixed on the first fixing frame (12), the right end of the electric sliding rail (10) is fixed on the second fixing frame (13), a height-adjustable device is arranged on a sliding block of the electric sliding rail (10), and the soaking box (11) is fixed on the height-adjustable device through a detachable structure;
each soaking box (11) comprises a box body with an open upper end, and a plurality of liquid leakage through holes (15) are formed in the side wall and the bottom wall of the box body;
the first soaking pool (2) is used for containing hydrochloric acid waste liquid discharged in the production of the solar cell chip; the second soaking tank (4) is used for containing hydrofluoric acid waste liquid discharged in the production of the solar cell chip, the third soaking tank (6) is used for containing nitric acid waste liquid discharged in the production of the solar cell chip, and the first cleaning tank (3), the second cleaning tank (5) and the third cleaning tank (7) are all used for collecting waste water after cleaning;
rectangular annular water pipes (16) are arranged on the outer side walls of the first cleaning pool (3), the second cleaning pool (5) and the third cleaning pool (7), each rectangular annular water pipe (16) is connected with an external water source through a connecting water pipe (14), an electromagnetic valve (17) is arranged on each connecting water pipe (14), two water supply pipes (18) are vertically arranged on the side wall of each rectangular annular water pipe (16), the distance between the upper end of each water supply pipe (18) and the upper end of the corresponding cleaning pool is larger than the height of the soaking box (11), a high-pressure spray head (19) is arranged at the upper end of each water supply pipe (18), and the two high-pressure spray heads (19) are oppositely arranged;
the reaction tank (9) is arranged between the first soaking tank (2) and the third soaking tank (6) and is positioned in front of the second soaking tank (4), a first liquid pump (20) is arranged between the first soaking tank (2) and the reaction tank (9), a first liquid pipe (21) is arranged between the first soaking tank (2) and the first liquid pump (20), one end of the first liquid pipe (21) is fixed at the lower end of the front side wall of the first soaking tank (2), the inner cavity of the first liquid pipe (21) is communicated with the inner cavity of the first soaking tank (2), the other end of the first liquid pipe (21) is connected with a liquid inlet of the first liquid pump (20), a second liquid pipe (22) is arranged between the first liquid pump (20) and the reaction tank (9), one end of the second liquid pipe (22) is connected with a liquid outlet of the first liquid pump (20), the other end of second liquid pipe (22) stretches into in reaction tank (9) from the upper end opening department of reaction tank (9), be provided with second liquid pump (23) between third soaking pond (6) and reaction tank (9), be provided with third liquid pipe (24) between third soaking pond (6) and second liquid pump (23), the one end of third liquid pipe (24) is fixed and is linked together at the inner chamber of the lower extreme of the preceding lateral wall of third soaking pond (6) and third liquid pipe (24) and the inner chamber of third soaking pond (6), the other end of third liquid pipe (24) links to each other with the inlet of second liquid pump (23), be provided with fourth liquid pipe (25) between second liquid pump (23) and reaction tank (9), the one end of fourth liquid pipe (25) links to each other with the inner chamber of second liquid pump (23), the other end of fourth liquid pipe (25) stretches into in reaction tank (9) from the upper end opening department of reaction tank (9), the other end of reaction tank (9) is followed to the liquid outlet of liquid pipe (25), the other (ii) a
The automatic air drying device is characterized by further comprising a controller (26), a display (27), a timer (28), a first PH value sensor (29), a second PH value sensor (30) and a third PH value sensor (31), wherein the first PH value sensor (29), the second PH value sensor (30) and the third PH value sensor (31) are respectively arranged in the first soaking pool (2), the second soaking pool (4) and the third soaking pool (6), the controller (26), the first PH value sensor (29), the second PH value sensor (30), the third PH value sensor (31), the air drying device (8), the electric sliding rail (10), the electromagnetic valve (17), the display (27) and the timer (28) are respectively electrically connected with a power supply, and the first PH value sensor (29), the second PH value sensor (30), the third PH value sensor (31), the air drying device (8), the electric sliding rail (10), The electromagnetic valve (17), the display (27) and the timer (28) are respectively in signal connection with the controller (26).
2. The solar cell chip recycling device according to claim 1, wherein: the height-adjustable device is an electric telescopic rod (32), the electric telescopic rod (32) is vertically arranged downwards, a base of the electric telescopic rod (32) is fixed on a sliding block of the electric sliding rail (10), and the soaking box (11) is fixed at the lower end of the electric telescopic rod (32) through a detachable structure.
3. The solar cell chip recycling device according to claim 2, wherein: detachable structure includes first slope pole (33), second slope pole (34), the lower extreme slant of first slope pole (33) is fixed downwards at the middle part of the preceding lateral wall upper end of soaking case (11), the lower extreme slant of second slope pole (34) is fixed downwards at the middle part of the back lateral wall upper end of soaking case (11), the upper end of second slope pole (34) and first slope pole (33) upper end fixed connection just constitute a structure of falling V-arrangement jointly, still includes couple (35), the lower extreme at electric telescopic handle (32) is fixed in couple (35).
4. The solar cell chip recycling device according to claim 3, wherein: the first PH value sensor (29), the second PH value sensor (30) and the third PH value sensor (31) are all sensors with the model of DPS-600.
5. The solar cell chip recycling device according to claim 4, wherein: the air drying device (8) adopts a T35 axial flow fan.
6. The solar cell chip recycling device according to claim 5, wherein: the electric telescopic rod (32) adopts an electric telescopic rod (32) with the model of LAP 63.
7. The solar cell chip recycling device according to claim 6, wherein: soak case (11), first soaking pond (2), first washing pond (3), second soaking pond (4), second washing pond (5), third soaking pond (6), third washing pond (7) and all adopt acid-resistant material to make.
8. The solar cell chip recycling device according to claim 7, wherein: the controller (26) adopts a single chip microcomputer with the model number of STM 32F 2.
9. The solar cell chip recycling device according to claim 8, wherein: a first liquid injection pipe (36) with a pipe plug is arranged at the upper end of the rear side wall of the first soaking pool (2), a first liquid discharge pipe (37) with a pipe plug is arranged at the lower end of the rear side wall of the first cleaning pool (3), the first liquid discharge pipe (37) is tangent to the upper surface of the bottom wall of the first cleaning pool (3), a second liquid injection pipe (38) with a pipe plug is arranged at the upper end of the rear side wall of the second soaking pool (4), a second liquid discharge pipe (39) with a pipe plug is arranged at the lower end of the rear side wall of the second soaking pool (4), the second liquid discharge pipe (39) is tangent to the upper surface of the bottom wall of the second soaking pool (4), a third liquid discharge pipe (40) with a pipe plug is arranged at the lower end of the rear side wall of the second cleaning pool (5), the third liquid discharge pipe (40) is tangent to the upper surface of the bottom wall of the second cleaning pool (5), a third liquid discharge pipe (41) with a pipe plug is arranged at the upper end of the rear side wall of the third soaking pool (6), a fourth liquid discharge pipe (42) with a pipe plug is arranged at the lower end of the rear side wall of the third cleaning pool (7), the fourth liquid discharge pipe (42) is tangent to the upper surface of the bottom wall of the third cleaning pool (7), a fifth liquid discharge pipe (43) with a pipe plug is arranged at the lower end of the front side wall of the reaction pool (9), and the fifth liquid discharge pipe (43) is tangent to the upper surface of the bottom wall of the reaction pool (9).
10. The solar cell chip recycling apparatus according to claim 9, wherein: the timer (28) adopts a timer with a model 555.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122038093.5U CN215467009U (en) | 2021-08-27 | 2021-08-27 | Solar cell chip recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122038093.5U CN215467009U (en) | 2021-08-27 | 2021-08-27 | Solar cell chip recovery device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923709A (en) * | 2021-02-25 | 2021-06-08 | 瑞昌市人民冲压有限公司 | A integrative device of high-efficient washing stoving for auto-parts |
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2021
- 2021-08-27 CN CN202122038093.5U patent/CN215467009U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112923709A (en) * | 2021-02-25 | 2021-06-08 | 瑞昌市人民冲压有限公司 | A integrative device of high-efficient washing stoving for auto-parts |
| CN112923709B (en) * | 2021-02-25 | 2022-11-08 | 瑞昌市人民冲压有限公司 | A integrative device of high-efficient washing stoving for auto-parts |
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