Wastewater filtering device

Abstract

The utility model discloses a wastewater filtering device which comprises a barrel body, a connecting frame is arranged in the barrel body, a second filtering box is fixedly connected to the bottom of the connecting frame, first filtering boxes are arranged on the two sides of the top end of the connecting frame, and a rotating shaft is rotationally connected to the center of the lower side of the top end of the connecting frame; stirring blades are symmetrically and fixedly connected to the outer side of the rotating shaft, fixing blocks are fixedly connected to the ends of the top sides of the stirring blades, brushing rods are arranged below the fixing blocks, a filter cone is fixedly connected to the bottom of the barrel body, and a drainage pipe is fixedly connected to the lower end of the filter cone. According to the utility model, by arranging the filter cone, the connecting frame, the hanging frame, the first filter box, the clamping block, the first lifting handle, the rotating shaft, the stirring blades, the communicating box, the spray head, the liquid storage box, the conveying pipe, the second filter box, the second lifting handle, the fixing block, the sliding groove and the brushing rod, the first filter box and the second filter box can be conveniently taken out and cleaned, and residues attached to the inner wall of the barrel body can be conveniently brushed away.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater filtering devices, in particular to a wastewater filtering device. Background Technique

[0002] In order to ensure the outer surface quality of metal products, surface treatment of the products is generally required. During the surface treatment process, a large amount of wastewater is often generated, which contains various chemical substances and heavy metal ions, posing a potential threat to the environment and human health. Therefore, the wastewater generated during the metal surface treatment process needs to be filtered before being discharged to avoid serious environmental pollution.

[0003] A Chinese patent with the patent publication number CN221254142U discloses a wastewater filtering device for metal surface treatment, which relates to the technical field of wastewater filtering devices. Specifically, it includes a support base and a treatment cylinder. The bottom of the inner cavity of the treatment cylinder is designed in a funnel shape. The bottom end of the treatment cylinder is fixedly installed on the support base. A ring seat is fixedly installed at the top of the inner cavity of the treatment cylinder. A first filter frame is arranged inside the ring seat. A positioning seat is arranged below the first filter frame. A plurality of first connecting rods are symmetrically installed at the top edge of the positioning seat. The first connecting rods are designed in an L shape, and the top ends of the first connecting rods are connected to the ring seat. When the utility model is in use, it realizes the uniform mixing of the flocculant and the wastewater, improves the reaction efficiency and reaction effect, and is convenient to use and operate.

[0004] The existing wastewater filtering device has problems such as the residues attached to the inner wall of the barrel are inconvenient to clean and the filter screen is inconvenient to take out for cleaning. In order to overcome these disadvantages, the utility model provides a wastewater filtering device. Content of the Utility Model

[0005] The purpose of the utility model is to solve the disadvantages existing in the prior art and propose a wastewater filtering device.

[0006] To achieve the above object, the utility model adopts the following technical solutions: A wastewater filtering device, comprising a barrel body, wherein a connecting frame is arranged inside the barrel body, a second filter box is fixedly connected to the bottom of the connecting frame, communicating boxes are relatively fixedly connected to the inner sides of the lower parts of both ends of the connecting frame, a plurality of spray heads are evenly arranged on one side of each communicating box, first filter boxes are arranged on both sides of the top end of the connecting frame, the bottoms of the first filter boxes all extend into the barrel body, a rotating shaft is rotatably connected to the center of the lower side of the top end of the connecting frame, stirring blades are symmetrically and fixedly connected to the outer side of the rotating shaft at a position below the first filter boxes, fixing blocks are fixedly connected to the top side ends of the stirring blades, chutes are respectively opened at one ends of the fixing blocks, sliders are slidably connected to one ends of the chutes, brushing rods are fixedly connected to the bottoms of the sliders, the bottom of the barrel body is of an open structure, a filter hopper is fixedly connected to the bottom of the barrel body, the filter hopper communicates with the inside of the barrel body, and a drain pipe is fixedly connected to the lower end of the filter hopper.

[0007] Further, insertion slots are symmetrically and fixedly connected to the outer side of the top end of the barrel body, insertion blocks are fixedly connected to both sides of the connecting frame, the insertion blocks are of an inverted L-shaped structure, the insertion blocks are respectively inserted and connected with the corresponding insertion slots, and second handles are fixedly connected to both sides of the top end of the connecting frame.

[0008] Further, hanging brackets are fixedly connected to both sides of the top end of the connecting frame, clamping blocks are fixedly connected to the upper ends of the sides of the first filter boxes close to the connecting frame, the clamping blocks are respectively clamped with the corresponding hanging brackets, and first handles are fixedly connected to the upper ends of the clamping blocks.

[0009] Further, a driving motor is fixedly connected to the top side of the connecting frame at a position corresponding to the rotating shaft, and the output end of the driving motor penetrates through the top side wall of the connecting frame and is fixedly connected to one end of the rotating shaft.

[0010] Further, the inside of the communicating box is of a hollow structure, the input ends of the spray heads are respectively communicated with the inside of the corresponding communicating box, a liquid storage tank is fixedly connected to the upper end of the connecting frame, a pump body is fixedly connected to the top end of the liquid storage tank, the input end of the pump body penetrates and communicates with the inside of the liquid storage tank, the output end of the pump body is fixedly connected to a shunt joint, two output ports of the shunt joint are respectively fixedly connected to a conveying pipe, and one end of each conveying pipe penetrates through the top side wall of the connecting frame and communicates with the inside of the corresponding communicating box.

[0011] Further, the outer side wall of the second filter box is in contact with the inner side wall of the barrel body.

[0012] Further, screws are rotatably connected in the sliding grooves. One ends of the screws are threadedly connected to the corresponding sliders. One sides of the fixed blocks close to the rotating shaft are rotatably connected with turning handles. One ends of the screws penetrate through the side walls of the corresponding fixed blocks and are fixedly connected to the corresponding turning handles. Brush hairs are arranged on one sides of the brushing rods close to the inner wall of the barrel.

[0013] Further, symmetrically fixed connections are arranged on the outer sides of the bottom ends of the barrel.

[0014] The beneficial effects of the present utility model:

[0015] When the present utility model is in use, the waste water filtering device has the following advantages:

[0016] 1. In this solution, by arranging a barrel, a filter hopper, a drain pipe, a support frame, a slot, a connecting frame, a plug, a hanging frame, a first filter box, a clamping block, a first handle, a rotating shaft, a stirring blade, a communicating box, a spray head, a liquid storage tank, a pump body, a shunt joint, a delivery pipe, a second filter box, and a second handle, the waste water for metal surface treatment to be filtered is poured into the first filter boxes on both sides of the connecting frame for the first filtration. Large - particle metal chips and foreign matters are screened out through the filter screen of the first filter box. The first filter box can be removed through the first handle, facilitating the timely pouring out of the metal chips and foreign matters therein for recycling, and avoiding blockage that affects subsequent filtration. The waste water after the initial filtration flows into the barrel. The pump body operates to deliver the flocculant solution in the liquid storage tank to the communicating boxes at both ends through the delivery pipe, and finally sprays it into the waste water in the barrel through a number of spray heads. The driving motor operates to drive the rotating shaft to rotate, and the stirring blade rotates to stir and mix the waste water in the barrel with the added flocculant, improving the reaction process and uniformity. The precipitate after the flocculation reaction is screened out through the second filter box. The waste water after the second filtration flows into the filter hopper below, and is filtered again using activated carbon. Finally, the filtered water is discharged through the drain pipe. Through the second handle, the connecting frame and the second filter box as a whole can be taken out of the barrel, facilitating the cleaning of the second filter box. After cleaning, it is inserted back into the barrel for waste water filtration.

[0017] 2. In this solution, by arranging a fixed block, a sliding groove, a slider, a screw, a turning handle, and a brushing rod, after removing the first filter box, the turning handle is rotated, thereby driving the corresponding screw to rotate, and then driving the slider and the brushing rod to move towards the inner wall of the barrel and the brush hairs to contact the inner wall of the barrel. The driving motor operates to drive the rotating shaft, the stirring blade, and the brushing rod to rotate, facilitating the brushing off of the residues attached to the inner wall of the barrel, convenient for cleaning, and saving labor. Description of the drawings

[0018] To more clearly illustrate the technical solution of the present utility model, the following will briefly introduce the drawings required for use in the description of the specific embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 : Schematic diagram of the overall structure of the present utility model;

[0020] Figure 2 : Bottom-up view of the barrel cross-section of the present utility model;

[0021] Figure 3 : Front view of the barrel cross-section of the present utility model;

[0022] Figure 4 : Schematic diagram of the top of the barrel after removing the first filter box of the present utility model;

[0023] Figure 5 : Schematic diagram of the interior of the barrel after removing the first filter box of the present utility model;

[0024] Figure 6 : Of the present utility model Figure 5 Enlarged view of part A;

[0025] Figure 7 : Schematic diagram of the structure of the first filter box of the present utility model.

[0026] The reference numerals are as follows:

[0027] 1, barrel; 2, filter hopper; 3, drain pipe; 4, support frame; 5, slot; 6, connecting frame; 7, plug; 8, hanging frame; 9, first filter box; 10, clamping block; 11, first handle; 12, rotating shaft; 13, stirring blade; 14, driving motor; 15, communicating box; 16, spray head; 17, liquid storage tank; 18, pump body; 19, shunt joint; 20, delivery pipe; 21, second filter box; 22, fixing block; 23, chute; 24, slider; 25, screw; 26, turning handle; 27, scrubbing rod; 28, second handle. Specific embodiments

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some, rather than all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts based on the embodiments of the present utility model belong to the scope of protection of the present utility model.

[0029] As Figure 1-7As shown in the figure, it relates to a wastewater filtering device, including a barrel body 1. Inside the barrel body 1, there is a connecting frame 6. The connecting frame 6 is in an inverted U-shaped structure. The bottom of the connecting frame 6 is fixedly connected with a second filter box 21. On the inner sides of the lower parts of both ends of the connecting frame 6, there are relatively fixedly connected communicating boxes 15. On one side of the communicating box 15, a number of spray heads 16 are evenly arranged. On both sides of the top of the connecting frame 6, there are first filter boxes 9. The bottoms of the first filter boxes 9 all extend into the interior of the barrel body 1. At the central position on the lower side of the top of the connecting frame 6, there is a rotating shaft 12 rotatably connected. On the outer side of the rotating shaft 12, at the position below the first filter box 9, there are symmetrically fixedly connected stirring blades 13. At the top side ends of the stirring blades 13, there are fixedly connected fixing blocks 22. At one end of each fixing block 22, there is a chute 23 opened. At one end of each chute 23, there is a sliding block 24 slidably connected. At the bottom of each sliding block 24, there is a brushing rod 27 fixedly connected. The bottom of the barrel body 1 is of an open structure. The bottom of the barrel body 1 is fixedly connected with a filter hopper 2. The filter hopper 2 is filled with activated carbon. The filter hopper 2 is communicated with the interior of the barrel body 1. The lower end of the filter hopper 2 is fixedly connected with a drain pipe 3. One end of the drain pipe 3 is provided with a control valve.

[0030] As Figure 1-7 shown, on both sides of the top of the connecting frame 6, there are fixedly connected hanging frames 8. On the upper ends of the sides of the first filter box 9 close to the connecting frame 6, there are fixedly connected clamping blocks 10. The clamping blocks 10 are all clamped with the corresponding hanging frames 8. On the upper ends of the clamping blocks 10, there are fixedly connected first handles 11, which are convenient for taking and placing the first filter box 9, and timely pouring out the metal debris and foreign matters therein to avoid blockage and affect subsequent filtering. On the outer side of the top of the barrel body 1, there are symmetrically fixedly connected slot grooves 5. On both sides of the connecting frame 6, there are fixedly connected insertion blocks 7. The insertion blocks 7 are in an inverted L-shaped structure. The insertion blocks 7 are all inserted and connected with the corresponding slot grooves 5. On both sides of the top of the connecting frame 6, there are fixedly connected second handles 28, which are convenient for taking and placing the connecting frame 6 and the second filter box 21 as a whole. The outer side wall of the second filter box 21 is in contact with the inner side wall of the barrel body 1, which is convenient for performing the second filtering and screening out the sediment after the flocculation reaction.

[0031] As Figure 1-7As shown, the interior of the connection box 15 is a hollow structure. The input ends of the spray nozzles 16 are all connected to the interior of the corresponding connection box 15. The upper end of the connection frame 6 is fixedly connected with a liquid storage tank 17. The interior of the liquid storage tank 17 stores a flocculant. A liquid adding port is arranged on one side of the liquid storage tank 17. The top end of the liquid storage tank 17 is fixedly connected with a pump body 18. The input end of the pump body 18 penetrates through and communicates with the interior of the liquid storage tank 17. The output end of the pump body 18 is fixedly connected with a shunt joint 19. The two output ports of the shunt joint 19 are respectively fixedly connected with a delivery pipe 20. One ends of the delivery pipes 20 all penetrate through the top side wall of the connection frame 6 and communicate with the interior of the corresponding connection box 15. Start the pump body 18, and convey the flocculant solution in the liquid storage tank 17 to the connection boxes 15 at both ends respectively through the shunt joint 19 and the delivery pipes 20, and finally spray it into the wastewater in the barrel 1 through a number of spray nozzles 16. At the position corresponding to the rotating shaft 12 on the top side of the connection frame 6, a driving motor 14 is fixedly connected. The output end of the driving motor 14 penetrates through the top side wall of the connection frame 6 and is fixedly connected with one end of the rotating shaft 12. Start the driving motor 14, thereby driving the rotating shaft 12 to rotate, and then stirring and mixing the wastewater in the barrel 1 and the added flocculant through the rotation of the stirring blades 13, so as to improve the reaction process and uniformity.

[0032] As Figure 1-7 shown, screw rods 25 are rotatably connected in the sliding grooves 23. One ends of the screw rods 25 are threadedly connected to the corresponding sliders 24. One sides of the fixing blocks 22 close to the rotating shaft 12 are rotatably connected with turning handles 26. One ends of the screw rods 25 all penetrate through the side walls of the corresponding fixing blocks 22 and are fixedly connected with the corresponding turning handles 26. Brush hairs are arranged on one sides of the scrubbing rods 27 close to the inner wall of the barrel 1. Remove the first filter box 9, turn the turning handle 26, thereby driving the corresponding screw rod 25 to rotate, and then driving the slider 24 to move along the sliding groove 23 towards the inner wall of the barrel 1, and then driving the scrubbing rod 27 to move out and the brush hairs to contact the inner wall of the barrel 1. Start the driving motor 14, thereby driving the rotating shaft 12, the stirring blades 13 and the scrubbing rods 27 to rotate, and brushing off the residues attached to the inner wall of the barrel 1, which is convenient for cleaning and saves manpower.

[0033] As Figure 1-7 shown, support frames 4 are symmetrically and fixedly connected to the outer side of the bottom end of the barrel 1.

[0034] Working principle: When in use, pour the waste water from the metal surface treatment to be filtered into the first filter tank 9 on both sides of the connecting frame 6 for the first filtration. Through the filter screen of the first filter tank 9, large-particle metal debris and foreign objects are screened out. The first filter tank 9 can be removed through the first handle 11, which is convenient for timely pouring out the metal debris and foreign objects therein to avoid blockage and affect subsequent filtration. The waste water after primary filtration flows into the barrel body 1. Start the pump body 18 to convey the flocculant solution in the liquid storage tank 17 to the connecting boxes 15 at both ends through the shunt joint 19 and the conveying pipe 20 respectively, and finally spray it into the waste water in the barrel body 1 through a number of nozzles 16. Start the driving motor 14 to drive the rotating shaft 12 to rotate, and then stir and mix the waste water in the barrel body 1 and the added flocculant through the rotation of the stirring blades 13 to improve the reaction process and uniformity. The flocs generated by the reaction and condensation precipitate and are screened out through the filter screen of the second filter tank 21. The waste water after the second filtration flows into the filter hopper 2 below and is filtered again with activated carbon. Finally, the filtered water is discharged through the drain pipe 3. Remove the first filter tank 9 and turn the turning handle 26 to drive the corresponding screw rod 25 to rotate, and then drive the slider 24 to move along the chute 23 towards the inner wall of the barrel body 1, and then drive the brushing rod 27 to move out and the bristles to contact the inner wall of the barrel body 1. Start the driving motor 14 to drive the rotating shaft 12, the stirring blades 13, and the brushing rod 27 to rotate to brush off the residues attached to the inner wall of the barrel body 1, which is convenient for cleaning, saves manpower, and can take out the connecting frame 6 and the second filter tank 21 as a whole from the barrel body 1 through the second handle 28 for cleaning. After cleaning, insert it back into the barrel body 1 for waste water filtration again.

[0035] The preferred embodiments of the present utility model disclosed above are only used to help explain the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to only the specific implementation manners. Obviously, according to the content of this specification, many modifications and changes can be made. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present utility model, so that those skilled in the relevant technical fields can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A wastewater filtration device, comprising a barrel body (1), characterized in that: Inside the barrel body (1), a connecting frame (6) is provided. At the bottom of the connecting frame (6), a second filter box (21) is fixedly connected. At the inner sides of the lower parts of both ends of the connecting frame (6), communicating boxes (15) are relatively fixedly connected. On one side of each communicating box (15), a number of spray heads (16) are evenly arranged. On both sides of the top end of the connecting frame (6), first filter boxes (9) are provided. The bottoms of the first filter boxes (9) all extend into the interior of the barrel body (1). At the central position on the lower side of the top end of the connecting frame (6), a rotating shaft (12) is rotatably connected. On the outer side of the rotating shaft (12) at a position below the first filter boxes (9), stirring blades (13) are symmetrically fixedly connected. At the top side ends of the stirring blades (13), fixing blocks (22) are fixedly connected. At one end of each fixing block (22), a sliding groove (23) is formed. At one end of each sliding groove (23), a sliding block (24) is slidably connected. At the bottom of each sliding block (24), a scrubbing rod (27) is fixedly connected. The bottom of the barrel body (1) is of an open structure. At the bottom of the barrel body (1), a filter hopper (2) is fixedly connected. The filter hopper (2) is communicated with the interior of the barrel body (1). At the lower end of the filter hopper (2), a drain pipe (3) is fixedly connected.

2. The wastewater filtration device according to claim 1, characterized in that: On the outer side of the top end of the barrel body (1), inserting slots (5) are symmetrically fixedly connected. On both sides of the connecting frame (6), inserting blocks (7) are fixedly connected. The inserting blocks (7) are of an inverted L-shaped structure. The inserting blocks (7) are respectively inserted and connected with the corresponding inserting slots (5). On both sides of the top end of the connecting frame (6), second lifting handles (28) are fixedly connected.

3. The wastewater filtration device according to claim 1, characterized in that: On both sides of the top end of the connecting frame (6), hanging frames (8) are fixedly connected. At the upper ends of the sides of the first filter boxes (9) close to the connecting frame (6), clamping blocks (10) are fixedly connected. The clamping blocks (10) are respectively clamped with the corresponding hanging frames (8). At the upper ends of the clamping blocks (10), first lifting handles (11) are fixedly connected.

4. A wastewater filtration device according to claim 1, characterized in that: At the position on the top side of the connecting frame (6) corresponding to the rotating shaft (12), a driving motor (14) is fixedly connected. The output end of the driving motor (14) penetrates through the top side wall of the connecting frame (6) and is fixedly connected with one end of the rotating shaft (12).

5. The wastewater filtration device according to claim 1, wherein: The interior of the communicating box (15) is of a hollow structure. The input ends of the spray heads (16) are respectively communicated with the interior of the corresponding communicating box (15). At the upper end of the connecting frame (6), a liquid storage tank (17) is fixedly connected. At the top end of the liquid storage tank (17), a pump body (18) is fixedly connected. The input end of the pump body (18) penetrates and communicates with the interior of the liquid storage tank (17). The output end of the pump body (18) is fixedly connected with a shunt joint (19). The two output ports of the shunt joint (19) are respectively fixedly connected with a conveying pipe (20). One end of each conveying pipe (20) penetrates through the top side wall of the connecting frame (6) and communicates with the interior of the corresponding communicating box (15).

6. The wastewater filtering device according to claim 1, wherein: The outer side wall of the second filter box (21) is in contact with the inner side wall of the barrel body (1).

7. A wastewater filtration device according to claim 1, characterized in that: A screw rod (25) is rotatably connected in each of the sliding grooves (23). One end of each screw rod (25) is in threaded connection with the corresponding slider (24). A turning handle (26) is rotatably connected to one side of each fixed block (22) close to the rotating shaft (12). One end of each screw rod (25) penetrates through the side wall of the corresponding fixed block (22) and is fixedly connected to the corresponding turning handle (26). Brush hairs are arranged on one side of each brushing rod (27) close to the inner wall of the barrel body (1).

8. A wastewater filtration device according to claim 1, characterized in that: Support frames (4) are symmetrically and fixedly connected to the outer side of the bottom end of the barrel body (1).

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