Pre-adsorption filtering equipment for treating lithium battery wet recovery wastewater

Abstract

The utility model discloses a lithium battery wet recovery wastewater treatment pre-adsorption filtering device, which belongs to the technical field of filtering devices and comprises a device body, a device bottom is welded at the bottom of the device body, a filter plate is arranged at the top of the device bottom, and a water and gas distribution space is formed between the filter plate and the device bottom. The filter plate is provided with a plurality of long-handle filter heads, the top of the filter plate is provided with a supporting layer, the top of the supporting layer is provided with a strong adsorption filter material layer, the top of the equipment body is provided with a walkway plate, the top of the walkway plate is welded with a safety guardrail, the right side of the upper end of the equipment body is provided with a backwashing drainage tank, and the right side of the backwashing drainage tank is provided with a normal water outlet tank. According to the utility model, before wastewater enters a treatment system, large-particle pollutants, grease and suspended matters in the wastewater can be effectively removed through enhanced adsorption and filtration measures, so that the load of a subsequent treatment process is reduced, and the influence of the pollutants on the environment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter equipment technical field, concretely is a lithium battery wet recovery wastewater treatment pre-adsorption filter equipment. BACKGROUND

[0002] With the popularity of electric vehicles, smart phones and other electronic products, lithium batteries as its core power source, its demand presents explosive growth. However, it also brings a problem that cannot be ignored: the recycling and processing of waste lithium batteries. For a long time, improper treatment of waste lithium battery recycling wastewater has caused serious pollution to the environment.

[0003] Lithium battery wet recovery wastewater is generally characterized by high salt, high COD, high fluorine, high phosphorus, oil and the like. In addition, it also contains heavy metals such as nickel, manganese, cobalt and lithium.

[0004] The present application is improved on the basis of the prior art. In the prior art, the pre-treatment link is ignored in the previous lithium battery wet recovery wastewater treatment process, resulting in subsequent evaporator blockage, foam and salt, which reduces the efficiency of the evaporator or causes it to fail. It also brings difficulty to the subsequent biochemical process, membrane process and advanced oxidation process.

[0005] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and should not be regarded as acknowledging or implying in any form that the information constitutes the prior art known to those skilled in the art. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a lithium battery wet recovery wastewater treatment pre-adsorption filter equipment to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a lithium battery wet recovery wastewater treatment pre-adsorption filter equipment, comprising an equipment body, a device bottom is welded at the bottom of the equipment body, a filter plate is arranged at the top of the device bottom, a water and gas distribution space is formed between the filter plate and the device bottom, a plurality of long-handle filter heads are arranged on the filter plate, a supporting layer is arranged at the top of the filter plate, a strong adsorption filter material layer is arranged at the top of the supporting layer, a walkway plate is arranged at the top of the equipment body, a safety guardrail is welded at the top of the walkway plate, a backwashing drainage groove is arranged at the right side of the upper end of the equipment body, and a normal water outlet groove is arranged at the right side of the backwashing drainage groove.

[0008] As a further scheme of the utility model: the material of the supporting layer is quartz sand, the particle size of the quartz sand is 4-8mm, and the height of the quartz sand is 200mm.

[0009] As a further scheme of the present utility model: the height of the strong adsorption filter material layer is 1500mm.

[0010] As a further scheme of the present utility model: the left side of the water distribution and gas distribution space is fixedly provided with a backwashing air inlet pipe in communication, the bottom of the backwashing air inlet pipe is provided with a backwashing water inlet pipe, and the backwashing water inlet pipe is in communication with the inside of the water distribution and gas distribution space.

[0011] As a further scheme of the present utility model: the right side of the water distribution and gas distribution space is fixedly provided with a process water inlet pipe in communication, the bottom of the process water inlet pipe is provided with a vent pipe, and the vent pipe is in communication with the inside of the water distribution and gas distribution space.

[0012] As a further scheme of the present utility model: the bottom of the backwashing water drainage groove is fixedly provided with a backwashing water drainage groove drainage pipe in communication, and the bottom of the normal water outlet groove is fixedly provided with a normal water outlet groove discharge pipe in communication.

[0013] The present utility model has the following beneficial effects: can realize that before wastewater enters a treatment system, through the strengthening adsorption filter measure, can effectively remove the large particle pollutants, grease and suspended solids in wastewater, reduce the load of subsequent treatment process, reduce the influence of pollutants on the environment. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a kind of lithium battery wet-process recycling wastewater treatment pre-adsorption filter equipment's elevation view.

[0015] In the drawing: 1, equipment body;2, equipment bottom;3, filter plate;4, water distribution and gas distribution space;401, process water inlet pipe;402, backwashing air inlet pipe;403, backwashing water inlet pipe;404, vent pipe;5, long handle filter head;6, support layer;7, strong adsorption filter material layer;8, backwashing water drainage groove;801, backwashing water drainage groove drainage pipe;9, normal water outlet groove;901, normal water outlet groove discharge pipe;10, walkway plate;11, safety guardrail. DETAILED DESCRIPTION

[0016] In order to make those skilled in the art better understand the technical scheme of the present utility model, the present utility model will be described in detail below in conjunction with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present utility model.

[0017] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0018] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the utility model product is used, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0019] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0020] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0021] Please refer to Figure 1 The utility model provides an embodiment: a kind of lithium battery wet recovery wastewater treatment pre-adsorption filter equipment, equipment bottom 2 is welded in the bottom of equipment body 1, filter plate 3 is provided in the top of equipment bottom 2, and water distribution and gas distribution space 4 is formed between filter plate 3 and equipment bottom 2, the left side of water distribution and gas distribution space 4 is fixedly provided with the reverse flushing air inlet pipe 402 connected, the bottom of reverse flushing air inlet pipe 402 is provided with the reverse flushing water inlet pipe 403, and the reverse flushing water inlet pipe 403 is connected with the inside of water distribution and gas distribution space 4, the right side of water distribution and gas distribution space 4 is fixedly provided with the process water inlet pipe 401 connected, the bottom of process water inlet pipe 401 is provided with vent pipe 404, and vent pipe 404 is connected with the inside of water distribution and gas distribution space 4, and multiple long handle filter heads 5 are provided on filter plate 3;

[0022] Specifically, as Figure 1As shown, in use, through the arrangement of the device body 1, the shape of the device body 1 is one of a circle, a square or a rectangle, the protection height of the device body 1 is 500mm, through the arrangement of the device bottom 2, the material of the device bottom 2 is carbon steel corrosion prevention, through the arrangement of the filter plate 3, the material of the filter plate 3 is steel plate splicing, equidistant holes are drilled on the steel plate, the interval is 100*100 (mm), the hole diameter is 26mm, the long handle filter head 5 is installed in the hole, the length of the long handle filter head 5 is 290mm, through the arrangement of the water and gas distribution space 4, the height of the water and gas distribution space 4 is 800mm.

[0023] The top of the filter plate 3 is provided with a supporting layer 6, the material of the supporting layer 6 is quartz sand, the particle size of the quartz sand is 408mm, the height of the quartz sand is 200mm, the top of the supporting layer 6 is provided with a strong adsorption filter material layer 7, the height of the strong adsorption filter material layer 7 is 1500mm, the top of the device body 1 is provided with a walkway plate 10, the top of the walkway plate 10 is welded with a safety guardrail 11, the right side of the upper end of the device body 1 is provided with a backwashing drainage tank 8, the right side of the backwashing drainage tank 8 is provided with a normal water outlet tank 9, the bottom of the backwashing drainage tank 8 is fixedly provided with a backwashing drainage tank drainage pipe 801 in communication, the bottom of the normal water outlet tank 9 is fixedly provided with a normal water outlet tank discharge pipe 901 in communication;

[0024] Specifically, as shown in the drawings, Figure 1 In use, through the arrangement of the safety guardrail 11, the material of the safety guardrail 11 is steel pipe corrosion prevention, the height is 1200mm, the bottom thereof is welded with the walkway plate 10, through the arrangement of the backwashing drainage tank 8, the material of the backwashing drainage tank 8 is carbon steel, through the arrangement of the normal water outlet tank 9, the material of the normal water outlet tank 9 is carbon steel, and the normal water outlet tank 9 shares a wall with the backwashing drainage tank 8, and the height of the outer wall of the normal water outlet tank 9 is flush with the top surface of the device body 1.

[0025] Working principle: in this application, when the wastewater is treated, the wastewater enters the water and gas distribution space 4 through the process water inlet pipe 401, and then is adsorbed and filtered by the long handle filter head 5, the supporting layer 6 and the strong adsorption filter material layer 7 installed on the filter plate 3 at a filter speed of 3m / h, effectively adsorbing and filtering large particle pollutants, oil and suspended solids in the wastewater, reducing the load of the subsequent treatment process, and the filtered water is discharged from the normal water outlet tank 9 and the normal water outlet tank discharge pipe 901, thereby completing the treatment of the wastewater, and secondly, when the device runs for a cycle (8-16h), backwashing is required, the backwashing gas source enters the water and gas distribution space 4 through the backwashing gas inlet pipe 402, the backwashing water source enters the water and gas distribution space 4 through the backwashing water inlet pipe 403, and then the water and gas pass through the long handle filter head 5, the supporting layer 6 and the strong adsorption filter material layer 7 installed on the filter plate 3, and the gas flushing intensity is 16.67L / s·m 2 , the water flushing intensity is 2.09 L / s·m 2At the same time, backwashing is carried out for 8-10 minutes, and the large-particle pollutants, oil and suspended matters are washed away and discharged from the backwashing drain tank 8 and the backwashing drain tank drain pipe 801, and finally, the adsorption filtering and backwashing of the device are in the same direction, and both are reverse particle size, which not only has good filtering effect, but also can greatly save investment and ensure water quality.

[0026] The standard parts used in the present application can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional bolt, rivet, welding and other conventional means in the prior art, and the mechanical parts and equipment adopt the conventional type in the prior art, and the electrical components appearing in the present application are externally connected to the power supply and control switch when used, and the control mode is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming by the person skilled in the art, which is the common knowledge in the art, so the control mode and circuit connection of the present application will not be explained in detail, and the external controller mentioned in the description can control the electrical components mentioned in the text, and the external controller is a conventional known device.

[0027] It should be noted that in this text, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or device.

[0028] The principle and implementation mode of the present application are described by applying specific examples, and the above examples are only used to help understand the method and its core idea. The above is only the preferred embodiment of the present application, and it should be pointed out that due to the limited nature of the language expression, there are infinite specific structures, and for ordinary skilled persons in the technical field, without departing from the principle of the present application, some improvements, decorations or changes can be made, and the above technical features can be combined in a proper way; these improvements, decorations, changes or combinations, or without improvement, directly applying the concept and technical scheme of the present application to other occasions, should be regarded as the protection scope of the present application.

Claims

1. A lithium battery wet recovery wastewater treatment pre-adsorption filtration device, comprising a device body (1), characterized in that: The bottom of the device body (1) is welded with a device bottom (2), the top of the device bottom (2) is provided with a filter plate (3), a water and gas distribution space (4) is formed between the filter plate (3) and the device bottom (2), a plurality of long handle filter heads (5) are arranged on the filter plate (3), the top of the filter plate (3) is provided with a supporting layer (6), the top of the supporting layer (6) is provided with a strong adsorption filter material layer (7), the top of the device body (1) is provided with a walkway plate (10), the top of the walkway plate (10) is welded with a safety guardrail (11), the right side of the upper end of the device body (1) is provided with a backwashing drainage groove (8), the right side of the backwashing drainage groove (8) is provided with a normal water outlet groove (9).

2. The lithium battery wet recovery wastewater treatment pre-adsorption filtration device according to claim 1, characterized in that: The material of the supporting layer (6) is quartz sand, the particle size of the quartz sand is 4-8mm, and the height of the quartz sand is 200mm. 3.The wet-process lithium battery recycling wastewater treatment pre-adsorption filter device according to claim 1, characterized in that: The height of the strong adsorption filter material layer (7) is 1500mm.

4. The lithium battery wet recovery wastewater treatment pre-adsorption filtration device according to claim 1, characterized in that: The left side of the water and gas distribution space (4) is fixedly provided with a backwashing air inlet pipe (402) in communication, the bottom of the backwashing air inlet pipe (402) is provided with a backwashing water inlet pipe (403), and the backwashing water inlet pipe (403) is in communication with the inside of the water and gas distribution space (4).

5. The lithium battery wet recovery wastewater treatment pre-adsorption filtration device according to claim 1, characterized in that: The right side of the water and gas distribution space (4) is fixedly provided with a process water inlet pipe (401) in communication, the bottom of the process water inlet pipe (401) is provided with a vent pipe (404), and the vent pipe (404) is in communication with the inside of the water and gas distribution space (4).

6. The lithium battery wet recovery wastewater treatment pre-adsorption filtration device according to claim 1, characterized in that: The bottom of the backwashing drainage groove (8) is fixedly provided with a backwashing drainage groove drainage pipe (801) in communication, and the bottom of the normal water outlet groove (9) is fixedly provided with a normal water outlet groove discharge pipe (901) in communication.

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