Environment-friendly wastewater treatment device for recycling and processing waste plastic bottles

Abstract

The utility model discloses an environment-friendly wastewater treatment device for recycling and processing waste plastic bottles, which comprises a treatment box, a collection box and a water storage tank, a reaction tank and an air floatation tank are arranged in the treatment box, feed pipes are fixedly mounted at two ends of the treatment box, and a support plate is fixedly mounted at the upper end of the reaction tank. The lower end of the supporting plate is rotatably provided with a stirring rod, the outer side of the stirring rod is provided with stirring blades, the upper end of the air floatation tank is rotatably provided with a conveying belt, the outer side of the conveying belt is fixedly provided with a cleaning plate capable of moving up and down, the upper end of the treatment box is hinged to a brush, and one end of the brush is in contact with the cleaning plate. The stirring height can be changed by increasing or decreasing the number of the stirring rods, so that reaction tanks with different depths can be stirred, scum in the air floatation tank and on the tank wall can be cleaned into the collecting box, scum remaining on the cleaning plate can be removed, independent disassembly for cleaning is not needed, the cleaning efficiency is improved, and the cost is reduced. The height of the cleaning plate can be adjusted according to the water depth.

Description

Technical Field

[0001] The utility model belongs to the technical field of waste plastic bottle recycling and processing, and particularly relates to an environment-friendly wastewater treatment device for waste plastic bottle recycling and processing. Background Technique

[0002] Plastic bottles are mainly made of raw materials such as polyethylene or polypropylene, and have the advantages of being not easily broken, low cost, high transparency, etc. Therefore, plastic bottles are widely used in the packaging of beverages, edible oils, etc. Plastic bottles can be recycled and reused. During the recycling and processing of waste plastic bottles, a certain amount of wastewater will be generated, and the wastewater will contain certain pollutants and impurities. Therefore, it is necessary to treat the generated wastewater before discharging. Therefore, an environment-friendly wastewater treatment device for waste plastic bottle recycling and processing is particularly important. Content of the Utility Model

[0003] The purpose of the utility model is to provide an environment-friendly wastewater treatment device for waste plastic bottle recycling and processing in view of the deficiencies of the prior art.

[0004] The utility model realizes the above purpose through the following technical solutions. An environment-friendly wastewater treatment device for waste plastic bottle recycling and processing includes a treatment tank, a collection box and a water storage tank. A reaction tank and a flotation tank are arranged inside the treatment tank. The collection box is installed at the upper end of one side of the treatment tank, and the water storage tank is installed at the lower end of one side of the treatment tank. Feed pipes are installed at both ends of the treatment tank. A support plate is installed at the upper end of the reaction tank. A stirring rod with adjustable height is rotatably installed at the lower end of the support plate. Stirring blades are arranged on the outer side of the stirring rod. A conveyor belt is rotatably installed at the upper end of the flotation tank. A cleaning plate that can move up and down is installed on the outer side of the conveyor belt. A brush is hinged at the upper end of the treatment tank, and one end of the brush is in contact with the cleaning plate. The flotation tank is provided with a dissolved air system, which is a mature existing structure and is used to generate bubbles to adhere to the suspended matter flocs in the water, thereby forming scum. The feed pipes are used to add sewage treatment agents and flocculants. Water pumps are fixedly installed on the outer sides of the reaction tank and the flotation tank. The reaction tank is connected to the flotation tank through an air pump, and the flotation tank is connected to the water storage tank through an air pump. The stirring rod is used to stir the solution in the reaction tank to accelerate the reaction. The conveyor belt is used to drive the cleaning plate to reciprocate. The cleaning plate is used to clean the scum generated in the flotation tank. The brush is used to clean the scum on the cleaning plate. The collection box is of a drawer type structure, and a water inlet is arranged on one side of the reaction tank.

[0005] Furthermore, in order to enable the stirring rod to rotate, a motor is fixedly installed at the upper end of the support plate, a rotating shaft is fixedly installed at the output end of the motor, and the stirring rod is inserted into one end of the rotating shaft.

[0006] Furthermore, in order to fix the stirring rod on the rotating shaft, positioning bolts are threadedly connected to one side of the rotating shaft and one side of the lower end of the stirring rod. A threaded groove is formed on one side of the upper end of the stirring rod. One end of the positioning bolt extends into the threaded groove, and the stirring rod can be connected through the positioning bolt.

[0007] Furthermore, in order to enable the conveyor belt to rotate, rollers are rotatably installed on both sides of the upper end of the air flotation tank. The conveyor belt meshes with the rollers, and a motor is fixedly installed at one end of the roller to drive the roller.

[0008] Furthermore, in order to enable the cleaning plate to move up and down, a mounting plate is fixedly installed on the outer side of the conveyor belt. A lifting rod is inserted into one end of the mounting plate. The cleaning plate is fixedly connected to the lifting rod, and the lifting rod can move within the mounting plate.

[0009] Furthermore, in order to enable the lifting rod to lift, a square groove is formed at one end of the mounting plate. A lead screw is rotatably installed in the square groove, and the lead screw is threadedly connected to the lifting rod. A worm is rotatably installed at one end inside the square groove. A worm gear is fixedly installed on the outer side of the lead screw, and the worm gear meshes with the worm. The worm is used to drive the worm gear to rotate.

[0010] Furthermore, in order to facilitate the movement of the cleaning plate, a filter screen is installed inside the cleaning plate. Cleaning brushes are fixedly installed at both ends of the cleaning plate. One end of the cleaning brush contacts the inner wall of the air flotation tank. The filter screen can drive the floating slag to move, and the cleaning brush is used for cleaning.

[0011] Furthermore, in order to remove the residual floating slag on the cleaning plate, square plates are fixedly installed on both sides of the upper end of the treatment tank. The brush is hinged between the square plates. Positioning holes are formed in a circular array on one side of the square plate. A pin rod is inserted into the positioning hole, and one end of the pin rod extends into the brush.

[0012] Technical effects and advantages of the present utility model: When the present utility model is in use, not only can the stirring height be changed by increasing or decreasing the number of stirring rods, so as to stir reaction tanks with different depths, but also the floating slag in the air flotation tank and on the tank wall can be cleaned into the collection box by setting the cleaning plate and the cleaning brush. The residual floating slag on the cleaning plate can also be removed by the brush, without the need for separate disassembly for cleaning, improving the cleaning efficiency. The height of the cleaning plate can also be adjusted according to the water depth, with strong practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic front view structure diagram of the whole of the present utility model;

[0014] Figure 2 This is the overall rear view structural schematic diagram of the present utility model;

[0015] Figure 3 This is the structural schematic diagram of the stirring rod connection of the present utility model;

[0016] Figure 4 This is the structural schematic diagram of the conveyor belt connection of the present utility model;

[0017] Figure 5 This is the structural schematic diagram of the cleaning plate connection of the present utility model;

[0018] Figure 6 This is the structural schematic diagram of the brush connection of the present utility model.

[0019] In the figure: 1, reaction tank; 2, air flotation tank; 3, treatment box; 4, collection box; 5, water storage tank; 6, feed pipe; 7, support plate; 8, stirring rod; 9, conveyor belt; 10, cleaning plate; 11, brush; 12, motor; 13, rotating shaft; 14, positioning bolt; 15, roller; 16, mounting plate; 17, lifting rod; 18, lead screw; 19, worm; 20, worm gear; 21, filter screen; 22, cleaning brush; 23, square plate; 24, pin rod. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-6As shown in the figure, an environment-friendly wastewater treatment device for recycling and processing waste plastic bottles includes a treatment tank 3 with a reaction tank 1 and a flotation tank 2 inside, a collection box 4 and a water storage tank 5. The collection box 4 is fixedly installed at the upper end of one side of the treatment tank 3, and the water storage tank 5 is fixedly installed at the lower end of one side of the treatment tank 3. Feed pipes 6 are fixedly installed at both ends of the treatment tank 3. A support plate 7 is fixedly installed at the upper end of the reaction tank 1. A stirring rod 8 with adjustable height and stirring blades on the outside is rotatably installed at the lower end of the support plate 7. A conveyor belt 9 is rotatably installed at the upper end of the flotation tank 2. A cleaning plate 10 that can move up and down is fixedly installed on the outside of the conveyor belt 9. A brush 11 is hinged at the upper end of the treatment tank 3, and one end of the brush 11 is in contact with the cleaning plate 10. When in use, first discharge the wastewater into the reaction tank 1 from the water inlet, then adjust the number of stirring rods 8 according to the depth of the reaction tank 1, and then add sewage treatment agent and flocculant into the reaction tank 1 through the feed pipe 6. Then rotate the stirring rod 8 to accelerate the reaction. Then pump the solution in the reaction tank 1 into the flotation tank 2 to generate scum. Then rotate the conveyor belt 9 to drive the cleaning plate 10 to clean the scum and clean the scum into the collection box 4. Finally, pump the purified water in the flotation tank 2 into the water storage tank 5 through a water pump.

[0022] A motor 12 is fixedly installed at the upper end of the support plate 7. A rotating shaft 13 is fixedly installed at the output end of the motor 12. The stirring rod 8 is inserted into one end of the rotating shaft 13. Positioning bolts 14 are threadedly connected to one side of the rotating shaft 13 and the lower end side of the stirring rod 8. A threaded groove is formed on one side of the upper end of the stirring rod 8, and one end of the positioning bolt 14 extends into the threaded groove. When in use, first start the motor 12 to drive the rotating shaft 13 to rotate. The stirring blades on the stirring rod 8 rotate accordingly. When it is necessary to increase the number of stirring rods 8, fix it through the positioning bolt 14.

[0023] On both sides of the upper end of the air flotation tank 2, drums 15 are rotatably installed. The conveyor belt 9 is engaged with the drums 15. On the outer side of the conveyor belt 9, a mounting plate 16 is fixedly installed. One end of the mounting plate 16 is inserted with a lifting rod 17. The cleaning plate 10 is fixedly connected to the lifting rod 17. One end of the mounting plate 16 is provided with a square groove. Inside the square groove, a lead screw 18 is rotatably installed, and the lead screw 18 is threadedly connected to the lifting rod 17. Inside one end of the square groove, a worm 19 is rotatably installed. On the outer side of the lead screw 18, a worm gear 20 is fixedly installed, and the worm gear 20 is engaged with the worm 19. Inside the cleaning plate 10, a filter screen 21 is installed. At both ends of the cleaning plate 10, cleaning brushes 22 are fixedly installed. One end of the cleaning brush 22 is in contact with the inner wall of the air flotation tank 2. On both sides of the upper end of the treatment tank 3, square plates 23 are fixedly installed. The brush 11 is hinged between the square plates 23. On one side of the square plates 23, positioning holes are arranged in a circumferential array. Inside the positioning holes, a pin rod 24 is inserted, and one end of the pin rod 24 extends into the brush 11. When in use, first drive the conveyor belt 9 to rotate through the drums 15, and the cleaning plate 10 and the cleaning brushes 22 rotate accordingly to remove floating scum. When it is necessary to adjust the height of the cleaning plate 10, rotate the worm 19 to drive the worm gear 20 to rotate, and the lead screw 18 rotates accordingly, so that the lifting rod 17 moves up and down, and the cleaning plate 10 moves accordingly. When it is necessary to adjust the installation direction of the brush 11, rotate the brush 11 between the square plates 23 and then fix it with the pin rod 24.

[0024] When the present utility model is in use, first drain the wastewater into the reaction tank 1, and then adjust the number of stirring rods 8 according to the depth of the reaction tank 1, so as to stir the reaction tank 1 with different depths. Then pour the sewage treatment agent and the flocculant into the reaction tank 1 through the feed pipe 6. Then start the motor 12 to drive the stirring blades to rotate, so as to accelerate the reaction. Then pump the solution in the reaction tank 1 into the air flotation tank 2. Then drive the cleaning plate 10 to move periodically in the air flotation tank 2 through the conveyor belt 9, so as to clean the floating scum into the collection box 4. At this time, the brush 11 cleans the residual floating scum on the cleaning plate 10, and there is no need to disassemble it separately for cleaning, which improves the cleaning efficiency. The height of the cleaning plate 10 can also be adjusted according to the water depth, and the practicability is strong. Finally, pump the purified water in the air flotation tank 2 into the storage tank 5.

[0025] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0026] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An environment-friendly wastewater treatment device for recycling and processing waste plastic bottles, comprising a treatment tank (3), a collection box (4) and a water storage tank (5). A reaction tank (1) and a flotation tank (2) are arranged inside the treatment tank (3). The collection box (4) is installed at the upper end of one side of the treatment tank (3), and the water storage tank (5) is installed at the lower end of one side of the treatment tank (3). Feed pipes (6) are installed at both ends of the treatment tank (3), and it is characterized in that: A support plate (7) is installed at the upper end of the reaction tank (1). A stirring rod (8) with adjustable height is rotatably installed at the lower end of the support plate (7). Stirring blades are arranged on the outer side of the stirring rod (8). A conveyor belt (9) is rotatably installed at the upper end of the air flotation tank (2). A cleaning plate (10) that can move up and down is installed on the outer side of the conveyor belt (9). A brush (11) is hinged at the upper end of the treatment box (3). One end of the brush (11) is in contact with the cleaning plate (10).

2. The environmentally friendly wastewater treatment device for recycling and processing waste plastic bottles according to claim 1, wherein: A motor (12) is fixedly installed at the upper end of the support plate (7). A rotating shaft (13) is fixedly installed at the output end of the motor (12). The stirring rod (8) is inserted into one end of the rotating shaft (13).

3. The environmentally friendly wastewater treatment device for recycling and processing waste plastic bottles according to claim 2, characterized in that: Positioning bolts (14) are threadedly connected to one side of the rotating shaft (13) and one side of the lower end of the stirring rod (8). A threaded groove is formed on one side of the upper end of the stirring rod (8). One end of the positioning bolt (14) extends into the threaded groove.

4. The environment-friendly wastewater treatment device for recycling and processing waste plastic bottles according to claim 3, wherein: Drums (15) are rotatably installed on both sides of the upper end of the air flotation tank (2). The conveyor belt (9) is engaged with the drums (15).

5. The environment-friendly wastewater treatment device for recycling and processing waste plastic bottles according to claim 1, characterized in that: An installation plate (16) is fixedly installed on the outer side of the conveyor belt (9). A lifting rod (17) is inserted into one end of the installation plate (16). The cleaning plate (10) is fixedly connected to the lifting rod (17).

6. The environmentally friendly wastewater treatment device for recycling and processing waste plastic bottles according to claim 5, characterized in that: A square groove is formed at one end of the installation plate (16). A lead screw (18) is rotatably installed in the square groove. The lead screw (18) is threadedly connected to the lifting rod (17). A worm (19) is rotatably installed at one end inside the square groove. A worm gear (20) is fixedly installed on the outer side of the lead screw (18). The worm gear (20) is engaged with the worm (19).

7. The environmentally friendly wastewater treatment device for recycling and processing waste plastic bottles according to claim 1, characterized in that: A filter screen (21) is installed inside the cleaning plate (10). Cleaning brushes (22) are fixedly installed at both ends of the cleaning plate (10). One end of the cleaning brush (22) is in contact with the inner wall of the air flotation tank (2).

8. The environment-friendly wastewater treatment device for recycling and processing waste plastic bottles according to claim 1, wherein: Square plates (23) are fixedly installed on both sides of the upper end of the treatment box (3). The brush (11) is hinged between the square plates (23). Positioning holes are formed in a circular array on one side of the square plates (23). A pin rod (24) is inserted into the positioning holes. One end of the pin rod (24) extends into the brush (11).

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