Slag liquid treatment device and film removing device

Abstract

The utility model relates to the field of photovoltaic technology, and provides a residue liquid treatment device and a film removing device, the residue liquid treatment device comprises a first liquid storage container and a compression container, the first liquid storage container is used for storing residue liquid, a first filtering piece is arranged in the first liquid storage container, and a liquid draining area is formed between the first filtering piece and the bottom of the first liquid storage container; the compression container is connected with the first liquid storage container, a compression mechanism and a second filter part are arranged in the compression container, a compression area and a liquid discharge area which are arranged on the two sides of the second filter part respectively are arranged in the compression container, and the compression mechanism is used for compressing the slag liquid entering the compression area to form a slag cake and filtrate. According to the slag liquid treatment device, liquid medicine in slag liquid can be recycled, and the liquid medicine cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic technology, and in particular to a slag liquid treatment device and a film removal device. Background Technology

[0002] Solar cells are devices that convert solar energy into electrical energy. During the metallization process of solar cells to form grid electrodes, a film removal process is required. This involves etching away the masking adhesive from the surface of the cell. The resulting film residue mixes with the chemical solution to form a paste. Directly discharging this waste residue not only incurs high processing costs but also wastes the film removal chemical solution. Utility Model Content

[0003] Based on this, one embodiment of this application provides a sludge treatment device and a membrane removal device capable of recovering medicinal liquid from sludge.

[0004] In a first aspect, this application provides a sludge-liquid treatment device, the sludge-liquid treatment device comprising:

[0005] A first liquid storage container is used to store sludge and liquid. A first filter element is provided inside the first liquid storage container, and a drainage area is formed between the first filter element and the bottom of the first liquid storage container.

[0006] A compression container is connected to the first liquid storage container. The compression container is provided with a compression mechanism and a second filter element. The compression container has a compression zone and a discharge zone respectively disposed on both sides of the second filter element. The compression mechanism is used to compress the sludge and liquid entering the compression zone to form sludge cake and filtrate.

[0007] In some embodiments, the sludge treatment device further includes a second liquid storage container connected to the filtrate zone and the discharge zone, for storing the filtrate discharged from the filtrate zone and the discharge zone.

[0008] In some embodiments, the sludge treatment device further includes a filter connected to a first drain port of the second liquid storage container, the filter being used to filter the filtrate discharged from the second liquid storage container for reuse.

[0009] In some embodiments, the first liquid storage container is further provided with a spraying element, which is used to spray cleaning fluid toward the inner wall of the first liquid storage container (100).

[0010] In some embodiments, the spray element is connected to a second drain port of the second liquid storage container.

[0011] In some embodiments, the compression mechanism includes a pressure plate, a screw, and a drive member. The pressure plate is disposed within the compression zone, and the drive member is disposed on the compression container. The pressure plate is movably connected to one end of the screw, and the drive member is used to rotate the screw and drive the pressure plate to perform a compression action.

[0012] In some embodiments, the compression container further includes a waste discharge valve and a waste collection tank, the waste discharge valve being located at the top of the compression container and the waste collection tank being located at the outlet of the waste discharge valve.

[0013] In some embodiments, the first liquid storage container is further provided with a plurality of liquid level sensors, which are arranged at intervals along the height direction of the first liquid storage container, and are used to detect the liquid level height in the first liquid storage container.

[0014] In some embodiments, the first liquid storage container is provided with at least three liquid level sensors, at least one of the liquid level sensors is provided in the middle region of the first liquid storage container, at least one of the liquid level sensors is provided in the upper region of the first liquid storage container, and at least one of the liquid level sensors is provided in the lower region of the first liquid storage container.

[0015] Secondly, this application provides a membrane removal device, which includes a membrane remover, a sludge treatment device as described in the first aspect, and a feeder;

[0016] The membrane remover is filled with a membrane remover agent; the sludge-liquid treatment device is circulatedly connected to the membrane remover, and the sludge-liquid discharged from the membrane remover enters the sludge-liquid treatment device, and the filtrate discharged from the sludge-liquid treatment device enters the membrane remover.

[0017] The feeder is connected to the film remover, and the feeder is used to add film remover into the film remover.

[0018] Compared with traditional technologies, this utility model has at least the following beneficial effects:

[0019] This application installs a first filter element in the first liquid storage container. The paste-like sludge is allowed to stand and drain in the first liquid storage container to perform solid-liquid pre-separation. When the sludge in the first liquid storage container reaches a certain liquid level, the sludge is discharged to the compression zone of the compression container for compression and separation to obtain sludge cake and filtrate. The compact solid sludge cake formed by the membrane sludge is easy to collect and process. The filtrate obtained from compression and draining can be recycled, which not only reduces the waste of the chemical solution, but also reduces the treatment cost of the sludge. Attached Figure Description

[0020] Figure 1This is a schematic diagram of a sludge treatment device provided in one embodiment of the present invention; wherein, 100-first liquid storage container; 110-first filter element; 120-draining zone; 130-spraying element; 140-stirrer; 150-liquid level sensor; 200-compression container; 210-second filter element; 220-compression zone; 230-draining zone; 240-pressure plate; 250-drive element; 260-screw; 270-waste discharge valve; 280-waste collection tank; 300-second liquid storage container; 400-filter.

[0021] Figure 2 This is a schematic diagram of a film removal device provided in one embodiment of the present invention; wherein, 10-film removal device; 20-sludge treatment device; 30-feeder. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the accompanying drawings, embodiments, and examples. These embodiments and examples are for illustrative purposes only and are not intended to limit the scope of the present invention. The purpose of providing these embodiments and examples is to enable a more thorough and comprehensive understanding of the disclosure of the present invention. It should also be understood that the present invention can be implemented in many different forms and is not limited to the embodiments and examples described herein. Those skilled in the art can make various modifications or alterations without departing from the spirit of the present invention, and the equivalent forms obtained also fall within the protection scope of the present invention. Furthermore, numerous specific details are set forth in the following description to provide a fuller understanding of the present invention. It should be understood that the present invention can be implemented without one or more of these details.

[0023] It should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing 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 this utility model.

[0024] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," "fixed," and "set" 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 mechanical connection or an electrical connection; 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 meaning of the above terms in this utility model according to the specific circumstances.

[0025] In this utility model, "optionally", "optionally", and "optional" mean that they are optional, that is, they are selected from either "with" or "without". If there are multiple "options" in a technical solution, unless otherwise specified, and there are no contradictions or mutual constraints, each "option" is independent.

[0026] In this utility model, the technical features described in an open-ended manner include both closed technical solutions composed of the listed features and open technical solutions that include the listed features.

[0027] In this utility model, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or quantity, nor should they be construed as implicitly indicating the importance or quantity of the indicated technical features. Moreover, "first," "second," etc., serve only as a non-exhaustive enumeration and should be understood not to constitute a closed limitation on quantity.

[0028] All documents mentioned in this utility model are incorporated herein by reference as if each document were individually incorporated by reference. Unless they conflict with the utility model's purpose and / or technical solution, all cited documents are incorporated herein by reference in their entirety and for all purposes. When citing documents in this utility model, the definitions of relevant technical features, terms, nouns, phrases, etc., are also incorporated herein by reference. Examples and preferred embodiments of the cited technical features may also be incorporated herein by reference, but only to the extent that they enable the implementation of this utility model. It should be understood that when the cited content conflicts with the description in this utility model, this utility model shall prevail or be adapted to the description in this utility model.

[0029] In traditional technology, solar cells generate a residue of film and chemical solution during the mask removal process. This residue is in a paste-like state, and if it is discharged directly, it not only wastes the chemical solution but is also difficult to handle due to its complex composition.

[0030] Based on this, the first aspect of this application provides a sludge and liquid treatment device, such as... Figure 1 As shown, the sludge-liquid treatment device includes a first storage container 100 and a compression container 200. The first storage container 100 is used to store sludge-liquid, and a first filter element 110 is provided inside the first storage container 100. A draining zone 120 is formed between the first filter element 110 and the bottom of the first storage container 100.

[0031] For example Figure 1As shown, the compression container 200 is connected to the first liquid storage container 100. The compression container 200 is provided with a compression mechanism and a second filter element (210). The compression container 200 has a compression zone 220 and a discharge zone 230 respectively disposed on both sides of the second filter element 210. The compression mechanism is used to compress the sludge and liquid entering the compression zone 220 to form sludge cake and filtrate.

[0032] This application provides a first filter element 110 within a first liquid storage container 100. The paste-like sludge is allowed to stand and drain within the first liquid storage container 100, thus performing solid-liquid pre-separation. When the sludge in the first liquid storage container 100 reaches a certain level, it is discharged into the compression zone 220 of the compression container 200 for compression and separation to obtain a sludge cake and filtrate. The compact solid sludge cake formed by the membrane sludge is easy to collect and process, and the filtrate obtained from compression and draining can be recycled, which not only reduces waste of the chemical solution but also lowers the treatment cost of the sludge.

[0033] In some embodiments, continue as follows Figure 1 As shown, the sludge treatment device also includes a second storage container 300, which is connected to the filtrate zone 120 and the discharge zone 230. The second storage container 300 is used to store the filtrate discharged from the filtrate zone 120 and the discharge zone 230. This application provides a second storage container 300 to collect and store the filtrate discharged from the filtrate zone 120 and the discharge zone 230, and the liquid in the second storage container 300 can be recycled as needed.

[0034] In some embodiments, such as Figure 1 As shown, the sludge treatment device also includes a filter 400, which is connected to the first drain port of the second storage container 300. The filter 400 is used to filter the reused filtrate discharged from the second storage container 300. This application utilizes the filter 400 to filter the recycled filtrate again, thereby further reducing the membrane sludge content in the solution and minimizing the impact of residual membrane sludge on product performance.

[0035] In some embodiments, such as Figure 1 As shown, a spray nozzle 130 is also provided inside the first liquid storage container 100. The spray nozzle 130 is used to spray cleaning fluid toward the inner wall of the first liquid storage container 100. Optionally, the spray nozzle 130 includes a plurality of nozzles arranged circumferentially along the first liquid storage container 100. This application uses the spray nozzle 130 to rinse the inside of the first liquid storage container 100, reducing the adhesion of pasty residue to the inner wall of the first liquid storage container 100 and improving the service life of the device.

[0036] In some embodiments, the spray nozzle 130 is connected to the second drain port of the second liquid storage container 300. This application connects the spray nozzle 130 to the second liquid storage container 300, utilizing the filtrate collected in the second liquid storage container 300 as the washing water for spraying and rinsing the first liquid storage container 100. This reduces the introduction of additional liquid and wastewater generation, and also avoids the problem of a significant decrease in the concentration of the drug solution.

[0037] In some embodiments, such as Figure 1 As shown, the compression mechanism includes a pressure plate 240, a screw 260, and a drive component 250. The pressure plate 240 is disposed within the compression zone 220, and the drive component 250 is disposed on the compression container 200. The pressure plate 240 is movably connected to one end of the screw 260. The drive component 250 is used to rotate the screw 260 and drive the pressure plate 240 to perform the compression action. The movable connection between the pressure plate 240 and the screw 260 means that during the rotation of the screw 260, the pressure plate 240 does not rotate with the screw 260; the screw 260 only needs to be able to drive the pressure plate 240 to move and achieve the compression function. Optionally, a mounting groove can be provided on the pressure plate 240, and the end of the screw 260 can be disposed within the mounting groove to limit its movement in the compression direction. This application utilizes the screw 260 to drive the pressure plate 240. This method results in a high compression ratio and a low moisture content in the compressed cake, thus improving the membrane residue treatment effect.

[0038] Understandably, the compression direction of the pressure plate 240 can be selected according to actual processing needs. The compression direction can be any horizontal direction or any vertical direction.

[0039] In some embodiments, the second filter element 210 may be disposed close to the inner wall of the compression container 200, forming a drainage zone 230 with an annular spatial structure between the second filter element 210 and the inner wall of the compression container 200. In this application, the second filter element 210 forms an annular spatial drainage zone 230 within the compression container 200, effectively ensuring the filtration area during compression and improving the filtrate discharge effect.

[0040] In some embodiments, continue as follows Figure 1 As shown, the compression container 200 also includes a waste discharge valve 270 and a waste collection tank 280. The waste discharge valve 270 is located at the top of the compression container 200, and the waste collection tank 280 is located at the outlet of the waste discharge valve 270. Optionally, the pressure plate 240 compresses the slag liquid from bottom to top. Since the slag cake formed after a single compression is relatively thin, it is necessary to discharge the slag liquid into the compression container 200 multiple times to form a slag cake of a certain thickness before removing the slag cake. In this application, the pressure plate 240 compresses the slag liquid from bottom to top. After one compression process, the slag cake can achieve a draining effect under gravity, further reducing the liquid content in the slag cake.

[0041] In some embodiments, a plurality of liquid level sensors 150 are also provided in the first liquid storage container 100. The liquid level sensors 150 are arranged at intervals along the height direction of the first liquid storage container 100, and the liquid level sensors 150 are used to detect the liquid level height in the first liquid storage container 100.

[0042] In some embodiments, at least three liquid level sensors 150 are provided in the first liquid storage container 100. At least one liquid level sensor 150 is located in the middle region of the first liquid storage container 100, at least one liquid level sensor 150 is located in the upper region of the first liquid storage container 100, and at least one liquid level sensor 150 is located in the lower region of the first liquid storage container 100. Optionally, a first liquid level sensor is provided at the bottom of the first liquid storage container 100, a second liquid level sensor is provided in the middle of the first liquid storage container 100, and a second liquid level sensor is provided at the top of the first liquid storage container 100, respectively, to detect the liquid level height of the sludge and liquid in the first liquid storage container 100, thereby determining whether the sludge and liquid need to enter the compression container 200 for compression and separation.

[0043] In some embodiments, a stirrer 140 is provided in the first liquid storage container 100 to improve the filtration of the medicine during the standing and draining process.

[0044] In some embodiments, the sludge treatment device may further include an alarm, which is connected to a liquid level sensor 150 to alarm the liquid level in the first liquid storage container 100 in order to avoid excessive liquid storage in the first liquid storage container 100.

[0045] By way of example, a method for treating the above-mentioned sludge and liquid treatment device is provided, comprising the following steps:

[0046] The first storage container 100 collects and stores the sludge and pre-separates it. The sludge is filtered by the first filter element 110 to obtain the medicine, which is then discharged into the second storage container 300 for storage.

[0047] When the liquid level in the first storage container 100 reaches the treatment level, the pre-separated sludge is discharged into the compression zone 220 of the compression container 200, and the screw 260 is rotated so that the pressure plate 240 compresses the sludge from bottom to top to form a sludge cake. The medicine is discharged through the second filter element 210 to the discharge zone 230 and then enters the second storage container 300. The sludge cake continues to drain under gravity, and the discharged medicine enters the discharge zone 230. When the first storage container 100 needs to discharge the sludge again, the pressure plate 240 is reset, and the sludge enters the compression zone 220 and is compressed again until the thickness of the sludge cake meets the discharge requirements.

[0048] Once the thickness of the slag cake reaches the discharge requirement, the waste slag discharge valve 270 at the top is opened, and the pressure plate 240 is driven to continue moving upward, discharging the slag cake from the compression container 200 and collecting it into the waste slag collection tank 280.

[0049] After the sludge in the first storage container 100 is discharged into the compression container 200, the liquid in the second storage container 300 is transported to the spray nozzle 130 to rinse the inner wall of the first storage container 100; when the liquid needs to be recycled, the liquid in the second storage container 300 is discharged after being filtered by the filter.

[0050] In some embodiments, the first filter element and the second filter element may be a filter screen or a filter plate, respectively.

[0051] The second aspect of this application provides a film removal device, such as... Figure 2 As shown, the membrane removal device includes a membrane remover 10, a sludge-liquid treatment device 20 as described in the first aspect, and a feeder 30;

[0052] The membrane remover 10 is filled with a membrane remover agent; the sludge and liquid treatment device 20 is circulatedly connected to the membrane remover 10. After the sludge and liquid discharged from the membrane remover 10 enters the sludge and liquid treatment device 20, the filtrate discharged from the sludge and liquid treatment device 20 enters the membrane remover 10.

[0053] The feeder 30 is connected to the film remover 10 and is used to add film remover to the film remover 10.

[0054] It is understood that the first liquid storage container 100, the compression container 200, and the second liquid storage container 300 are connected by pipes in this application. Furthermore, transmission efficiency is improved by means of pipe pumps or similar methods.

[0055] Exemplarily, a method for removing the film from the above-described film removal apparatus is provided, comprising the following steps:

[0056] The film remover 10 uses a film remover to remove the film from the masked solar cell.

[0057] The generated sludge liquid is discharged to the sludge liquid treatment device 20, and after being treated by the sludge liquid treatment device 20, it forms sludge cake and chemical liquid.

[0058] When the membrane remover 10 needs to be replenished with chemical solution, the chemical solution treated by the sludge treatment device 20 and the fresh membrane remover in the feeder 30 are mixed according to the concentration requirements of the membrane remover.

[0059] It is understood that in this application, the feeder can be added reasonably according to the concentration of the desiccant in the desiccant to ensure that the concentration of the desiccant in the desiccant is kept at a high desiccant efficiency.

[0060] In summary, this application provides a first filter element 110 within the first liquid storage container 100. The paste-like sludge is allowed to stand and drain within the first liquid storage container 100, thus performing solid-liquid pre-separation. When the sludge in the first liquid storage container 100 reaches a certain level, it is discharged into the compression zone 220 of the compression container 200 for compression and separation to obtain a sludge cake and filtrate. The compact solid sludge cake formed by the membrane sludge is easy to collect and process, and the filtrate obtained from compression and draining can be recycled. This not only reduces waste of the chemical solution but also lowers the treatment cost of the sludge.

[0061] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0062] The above embodiments only illustrate several implementation methods of this utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A sludge-liquid treatment device, characterized in that, The sludge treatment device includes: A first liquid storage container (100) is used to store sludge liquid. A first filter element (110) is provided inside the first liquid storage container (100). A draining zone (120) is formed between the first filter element (110) and the bottom of the first liquid storage container (100). A compression container (200) is connected to the first liquid storage container (100). The compression container (200) is provided with a compression mechanism and a second filter element (210). The compression container has a compression zone (220) and a discharge zone (230) respectively disposed on both sides of the second filter element (210). The compression mechanism is used to compress the sludge liquid entering the compression zone (220) to form sludge cake and filtrate.

2. The slag-liquid treatment device as described in claim 1, characterized in that, The sludge treatment device further includes a second liquid storage container (300), which is connected to the filtrate zone (120) and the discharge zone (230). The second liquid storage container (300) is used to store the filtrate discharged from the filtrate zone (120) and the discharge zone (230).

3. The slag-liquid treatment device as described in claim 2, characterized in that, The sludge treatment device further includes a filter (400), which is connected to the first drain port of the second liquid storage container (300). The filter (400) is used to filter the filtrate discharged from the second liquid storage container (300) for reuse.

4. The slag-liquid treatment device as described in claim 2, characterized in that, The first liquid storage container (100) is also provided with a spraying component (130), which is used to spray cleaning liquid toward the inner wall of the first liquid storage container (100).

5. The slag-liquid treatment device as described in claim 4, characterized in that, The spray nozzle (130) is connected to the second drain port of the second liquid storage container (300).

6. The sludge-liquid treatment apparatus as described in claim 1, characterized in that, The compression mechanism includes a pressure plate (240), a screw (260), and a drive member (250). The pressure plate (240) is disposed in the compression zone (220), and the drive member (250) is disposed on the compression container (200). The pressure plate (240) is movably connected to one end of the screw (260), and the drive member (250) is used to rotate the screw (260) and drive the pressure plate (240) to perform a compression action.

7. The sludge-liquid treatment apparatus as described in claim 1, characterized in that, The compression container (200) is also provided with a waste discharge valve (270) and a waste collection tank (280). The waste discharge valve (270) is located at the top of the compression container (200), and the waste collection tank (280) is located at the outlet of the waste discharge valve (270).

8. The sludge-liquid treatment apparatus according to any one of claims 1-7, characterized in that, The first liquid storage container (100) is also provided with a plurality of liquid level sensors (150), which are arranged at intervals along the height direction of the first liquid storage container (100) and are used to detect the liquid level height in the first liquid storage container (100).

9. The sludge-liquid treatment apparatus as described in claim 8, characterized in that, The first liquid storage container (100) is provided with at least three liquid level sensors (150), at least one of the liquid level sensors (150) is provided in the middle area of ​​the first liquid storage container (100), at least one of the liquid level sensors (150) is provided in the upper area of ​​the first liquid storage container (100), and at least one of the liquid level sensors (150) is provided in the lower area of ​​the first liquid storage container (100).

10. A film removal device, characterized in that, The membrane removal device includes a membrane remover (10), a sludge treatment device (20) according to any one of claims 1-9, and a feeder (30). The membrane remover (10) is filled with a membrane remover agent; the sludge treatment device (20) is cyclically connected to the membrane remover (10), and the sludge discharged from the membrane remover (10) enters the sludge treatment device (20), and the filtrate discharged from the sludge treatment device (20) enters the membrane remover (10). The feeder (30) is connected to the film remover (10), and the feeder (30) is used to add film remover into the film remover (10).

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