Heavy metal sedimentation treatment equipment for wastewater

Abstract

The utility model discloses wastewater heavy metal sedimentation treatment equipment which comprises a coagulation box and a filter box, one side of the coagulation box is fixedly connected with the filter box, one side of the filter box is fixedly connected with a cleaning box, the top of the coagulation box is provided with a water inlet and a feed port, the water inlet and the feed port are both communicated with the inside of the coagulation box, and the filter box is fixedly connected with the cleaning box. Stirring fan blades are rotationally connected into the coagulation box, and a stirring assembly is arranged at the top of the coagulation box and used for driving the stirring fan blades to rotate. Wastewater is injected into the coagulation box through the water inlet, then a coagulant is added into the coagulation box through the feed port, and the stirring assembly drives the stirring fan blades to rotate, so that the coagulant and the wastewater are fully mixed, heavy metal substances in the wastewater are promoted to agglomerate and settle, and under the action of gravity, the heavy metal substances in the wastewater are recycled. Heavy metal substances in the agglomerates are settled into the separation frame, so that primary treatment of the wastewater is realized, the heavy metal settling treatment efficiency of the wastewater is remarkably improved, and the time required by wastewater treatment is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to a wastewater heavy metal sedimentation treatment device. Background Technique

[0002] Wastewater refers to water containing pollutants generated in production, life or other activities. The management and treatment of wastewater are one of the important environmental problems faced by modern society. Countries are actively researching advanced wastewater treatment technologies and policies to reduce the impact of wastewater on the ecological environment. Wastewater treatment refers to the process of removing pollutants in wastewater through physical, chemical and biological methods to meet the discharge standard or reuse standard.

[0003] In the existing process of wastewater heavy metal sedimentation treatment, the natural sedimentation method is usually adopted for treatment. This method not only has too long treatment time and low efficiency, but also a single sedimentation method cannot ensure the treatment effect of wastewater, which may lead to improper treatment and thus affect the environment. Content of the Utility Model

[0004] The purpose of the utility model is to provide a wastewater heavy metal sedimentation treatment device to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A wastewater heavy metal sedimentation treatment device includes a coagulation tank and a filtration tank. One side of the coagulation tank is fixedly connected to the filtration tank. One side of the filtration tank is fixedly connected to a cleaning tank. The top of the coagulation tank is provided with a water inlet and a feed inlet, both of which are in communication with the inside of the coagulation tank. A stirring fan blade is rotatably connected inside the coagulation tank. A stirring assembly is arranged on the top of the coagulation tank, and the stirring assembly is used to drive the stirring fan blade to rotate. One side of the filtration tank is provided with a water outlet, which is in communication with the inside of the filtration tank. A filter plate is fixedly connected between the inner walls of the filtration tank. A scraper is slidably connected to the top of the filter plate. A cleaning component is arranged inside the filter plate, and the cleaning component is used to drive the scraper to move. A connecting pipe is fixedly connected between the coagulation tank and the filtration tank, and both ends of the connecting pipe are in communication with the inside of the coagulation tank and the filtration tank respectively.

[0006] As a further preference of the above technical scheme, the stirring assembly includes a mounting plate, the mounting plate is fixedly connected to the top of the coagulation tank, a worm is rotatably connected to one side of the mounting plate, a rotating shaft is rotatably connected to the top inside the coagulation tank, the outer side of the rotating shaft is fixedly connected to the stirring fan blade, the top end of the rotating shaft extends to the top of the coagulation tank, and a worm gear is fixedly connected to the extending end of the rotating shaft, and the worm gear meshes with the worm.

[0007] As a further preference of this technical solution, the cleaning component includes a displacement groove and an auxiliary groove, the displacement groove and the auxiliary groove are respectively opened at the top inside the filter box, a threaded rod is rotatably connected between the inner walls of the displacement groove, the outer side of the threaded rod is threadedly connected to the scraping plate, and both ends of the scraping plate are respectively slidably connected to the inside of the displacement groove and the auxiliary groove.

[0008] As a further preference of this technical solution, a first motor is fixedly installed on one side of the mounting plate, and the output end of the first motor passes through the mounting plate and is fixedly connected to the worm.

[0009] As a further preference of this technical solution, a second motor is fixedly installed on one side of the filter box, and the output end of the second motor extends into the displacement groove and is fixedly connected to the threaded rod.

[0010] As a further preference of this technical solution, a water pump is fixedly installed at the bottom inside the coagulation box, and the output end of the water pump is fixedly connected to one end of the connecting pipe.

[0011] As a further preference of this technical solution, a sliding groove is opened on one side of the coagulation box, and a separation frame is slidably connected between the inner walls of the sliding groove.

[0012] As a further preference of this technical solution, a cleaning groove is opened on one side of the cleaning box, a collection frame is slidably connected between the inner walls of the cleaning groove, and a separation plate is fixedly connected to one side of the collection frame.

[0013] As a further preference of this technical solution, a waste discharge groove and a through groove are opened on one side inside the filter box, and both the waste discharge groove and the through groove communicate with the inside of the cleaning box.

[0014] The utility model provides a wastewater heavy metal sedimentation treatment device, which has the following beneficial effects:

[0015] (1) The utility model injects wastewater into the coagulation box through the water inlet, then adds the coagulant into the coagulation box through the feed inlet, and then drives the stirring fan blades to rotate through the stirring component, so that the coagulant is fully mixed with the wastewater, thereby promoting the agglomeration and sedimentation of heavy metal substances in the wastewater. Under the action of gravity, the heavy metal substances in the agglomeration settle into the separation frame, realizing the preliminary treatment of the wastewater, and thus significantly improving the efficiency of wastewater heavy metal sedimentation treatment and saving the time required for wastewater treatment.

[0016] (2) The utility model transports the preliminarily treated wastewater from the connecting pipe to the inside of the filtration tank through a water pump. Subsequently, the wastewater is further filtered through a filter plate. After filtration, the qualified treated wastewater is safely discharged through the water outlet. At the same time, the cleaning component drives the scraper to move, cleaning the sundries on the top of the filter plate from the impurity discharge groove to the inside of the cleaning tank. The sundries are centrally collected through the collection frame inside the cleaning groove, and then the wastewater inside the collection frame flows out through the separation plate. Then, the inside of the cleaning tank and the filtration tank is connected through the through groove, thereby realizing the full filtration and efficient treatment of wastewater, improving the efficiency of wastewater treatment, and enhancing the safety of wastewater. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 is a semi-sectional structural schematic diagram of the coagulation tank of the utility model;

[0019] Figure 3 is a semi-sectional structural schematic diagram of the filtration tank of the utility model;

[0020] Figure 4 is a structural schematic diagram of the separation frame of the utility model;

[0021] Figure 5 is a structural schematic diagram of the collection frame of the utility model;

[0022] In the figure: 1, coagulation tank; 2, filtration tank; 3, cleaning tank; 4, separation frame; 5, collection frame; 6, water inlet; 7, feed inlet; 8, worm gear; 9, worm; 10, mounting plate; 11, first motor; 12, water outlet; 13, second motor; 14, rotating shaft; 15, stirring fan blade; 16, sliding groove; 17, water pump; 18, connecting pipe; 19, displacement groove; 20, threaded rod; 21, auxiliary groove; 22, filter plate; 23, scraper; 24, cleaning groove; 25, impurity discharge groove; 26, through groove; 27, separation plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] 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.

[0024] The present utility model provides a technical solution: As Figures 1 - 5As shown in the figure, in this embodiment, a wastewater heavy metal sedimentation treatment device includes a coagulation tank 1 and a filtration tank 2. One side of the coagulation tank 1 is fixedly connected to the filtration tank 2. One side of the filtration tank 2 is fixedly connected to a cleaning tank 3. An inlet 6 and a feed inlet 7 are opened at the top of the coagulation tank 1. Both the inlet 6 and the feed inlet 7 communicate with the inside of the coagulation tank 1. A stirring fan blade 15 is rotatably connected inside the coagulation tank 1. A stirring assembly is arranged at the top of the coagulation tank 1, and the stirring assembly is used to drive the stirring fan blade 15 to rotate. An outlet 12 is opened on one side of the filtration tank 2, and the outlet 12 communicates with the inside of the filtration tank 2. A filter plate 22 is fixedly connected between the inner walls of the filtration tank 2. A scraping plate 23 is slidably connected to the top of the filter plate 22. A cleaning assembly is arranged inside the filter plate 22, and the cleaning assembly is used to drive the scraping plate 23 to move. A connecting pipe 18 is fixedly connected between the coagulation tank 1 and the filtration tank 2. Both ends of the connecting pipe 18 communicate with the inside of the coagulation tank 1 and the filtration tank 2 respectively. A water pump 17 is fixedly installed at the bottom inside the coagulation tank 1. The output end of the water pump 17 is fixedly connected to one end of the connecting pipe 18. A chute 16 is opened on one side of the coagulation tank 1. A separation frame 4 is slidably connected between the inner walls of the chute 16. A cleaning groove 24 is opened on one side of the cleaning tank 3. A collection frame 5 is slidably connected between the inner walls of the cleaning groove 24. A separation plate 27 is fixedly connected to one side of the collection frame 5. A waste discharge groove 25 and a through groove 26 are opened on one side inside the filtration tank 2. Both the waste discharge groove 25 and the through groove 26 communicate with the inside of the cleaning tank 3.

[0025] When treating wastewater for heavy metal sedimentation, first inject the wastewater into the inside of the coagulation tank 1 through the inlet 6, then inject the coagulant into the inside of the coagulation tank 1 through the feed inlet 7, and then drive the stirring fan blade 15 to rotate through the stirring assembly, so that the wastewater and the coagulant are fully mixed, so that the heavy metal substances in the wastewater agglomerate and settle. Under the influence of gravity, the agglomerated heavy metal substances settle into the inside of the separation frame 4, so that the wastewater achieves the effect of primary filtration. The agglomerated heavy metal substances can be cleaned through the chute 16. Then, pump the primary filtered wastewater along the connecting pipe 18 to the inside of the filtration tank 2 through the water pump 17. Under the action of the filter plate 22, the wastewater can be further filtered. The fully filtered wastewater is safely discharged through the outlet 12. Then, drive the scraping plate 23 to move through the cleaning assembly, so that the sundries on the top of the filter plate 22 fall into the inside of the cleaning tank 3 through the waste discharge groove 25. Then, collect the sundries through the collection frame 5. The inside of the cleaning tank 3 and the filtration tank 2 communicate through the through groove 26. Then, the wastewater inside the collection frame 5 flows out through the separation plate 27, and then regularly clean the collection frame 5 through the cleaning groove 24, so that the wastewater is fully filtered, further improving the treatment efficiency and safety of the wastewater.

[0026] As Figures 1 - 5As shown in the figure, the stirring assembly includes a mounting plate 10, which is fixedly connected to the top of the concrete box 1. One side of the mounting plate 10 is rotatably connected to a worm 9. The top inside the concrete box 1 is rotatably connected to a rotating shaft 14. The outside of the rotating shaft 14 is fixedly connected to a stirring fan blade 15. The top end of the rotating shaft 14 extends to the top of the concrete box 1. The extended end of the rotating shaft 14 is fixedly connected to a worm gear 8. The worm gear 8 meshes with the worm 9. One side of the mounting plate 10 is fixedly installed with a first motor 11. The output end of the first motor 11 passes through the mounting plate 10 and is fixedly connected to the worm 9.

[0027] The first motor 11 drives the worm 9 to rotate on one side of the mounting plate 10, so that the worm gear 8 drives the rotating shaft 14 to rotate, thereby driving the stirring fan blade 15 to rotate inside the concrete box 1, and further improving the mixing efficiency of the coagulant and the wastewater.

[0028] As Figures 1 - 5 shown in the figure, the cleaning assembly includes a displacement groove 19 and an auxiliary groove 21, which are respectively opened at the top inside the filtration box 2. A threaded rod 20 is rotatably connected between the inner walls of the displacement groove 19. The outside of the threaded rod 20 is threadedly connected to a scraper 23. The two ends of the scraper 23 are respectively slidably connected to the inside of the displacement groove 19 and the auxiliary groove 21. One side of the filtration box 2 is fixedly installed with a second motor 13. The output end of the second motor 13 extends into the displacement groove 19 and is fixedly connected to the threaded rod 20.

[0029] The second motor 13 drives the threaded rod 20 to rotate between the inner walls of the displacement groove 19, so that the two ends of the scraper 23 slide inside the displacement groove 19 and the auxiliary groove 21 respectively, thereby driving the scraper 23 to slide between the inner walls of the filtration box 2, and further improving the treatment efficiency of the wastewater.

[0030] The utility model provides a wastewater heavy metal sedimentation treatment device, and the specific working principle is as follows: When treating wastewater for heavy metal sedimentation, first inject the wastewater into the interior of the coagulation tank 1 through the water inlet 6, then inject the coagulant into the interior of the coagulation tank 1 through the feed inlet 7, and then drive the worm 9 to rotate on one side of the mounting plate 10 by the first motor 11, so that the worm wheel 8 drives the rotating shaft 14 to rotate, thereby driving the stirring fan blades 15 to rotate in the interior of the coagulation tank 1, so that the wastewater and the coagulant are fully mixed, so that the heavy metal substances in the wastewater agglomerate and settle. Under the influence of gravity, the agglomerated heavy metal substances settle into the interior of the separation frame 4, so that the wastewater achieves the effect of primary filtration. The agglomerated heavy metal substances can be cleaned through the chute 16. Then, pump the preliminarily filtered wastewater into the interior of the filtration tank 2 along the connecting pipe 18 by the water pump 17. Under the action of the filter plate 22, the wastewater can be further filtered. The fully filtered wastewater is safely discharged through the water outlet 12. Then drive the threaded rod 20 to rotate between the inner walls of the displacement groove 19 by the second motor 13, so that both ends of the scraper 23 slide inside the displacement groove 19 and the auxiliary groove 21 respectively, thereby driving the scraper 23 to slide between the inner walls of the filtration tank 2, so that the sundries on the top of the filter plate 22 fall into the interior of the cleaning tank 3 through the waste discharge groove 25. Then collect the sundries through the collection frame 5. The interiors of the cleaning tank 3 and the filtration tank 2 are communicated through the through groove 26. Then make the wastewater in the collection frame 5 flow out through the separation plate 27, and then regularly clean the collection frame 5 through the cleaning groove 24, so that the wastewater is fully filtered.

[0031] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A wastewater heavy metal sedimentation treatment device, comprising a coagulation box (1) and a filter box (2), characterized in that: One side of the coagulation box (1) is fixedly connected to the filter box (2), and one side of the filter box (2) is fixedly connected to the cleaning box (3). The top of the coagulation box (1) is provided with a water inlet (6) and a feed inlet (7), and both the water inlet (6) and the feed inlet (7) are connected to the inside of the coagulation box (1). The inside of the coagulation box (1) is rotatably connected with a stirring blade (15). The top of the coagulation box (1) is provided with a stirring component, and the stirring component is used to drive the stirring blade (15) to rotate. One side of the filter box (2) is provided with a A water outlet (12), the water outlet (12) is connected to the interior of the filter box (2), a filter plate (22) is fixedly connected between the inner walls of the filter box (2), a scraper (23) is slidably connected to the top of the filter plate (22), a cleaning component is arranged inside the filter plate (22), the cleaning component is used to drive the scraper (23) to move, a connecting pipe (18) is fixedly connected between the coagulation box (1) and the filter box (2), and the two ends of the connecting pipe (18) are respectively connected to the interior of the coagulation box (1) and the filter box (2).

2. A wastewater heavy metal sedimentation treatment equipment according to claim 1, characterized in that: The stirring assembly comprises a mounting plate (10), wherein the mounting plate (10) is fixedly connected to the top of the coagulation box (1), a worm (9) is rotatably connected to one side of the mounting plate (10), a rotating shaft (14) is rotatably connected to the top of the inner side of the coagulation box (1), the outer side of the rotating shaft (14) is fixedly connected to the stirring blade (15), the top end of the rotating shaft (14) extends to the top of the coagulation box (1), the extended end of the rotating shaft (14) is fixedly connected to a worm gear (8), and the worm gear (8) is meshed with the worm gear (9).

3. The wastewater heavy metal sedimentation treatment equipment according to claim 1, characterized in that: The cleaning assembly comprises a displacement groove (19) and an auxiliary groove (21), wherein the displacement groove (19) and the auxiliary groove (21) are respectively arranged at the top of the inner side of the filter box (2), a threaded rod (20) is rotatably connected between the inner walls of the displacement groove (19), the outer side of the threaded rod (20) is threadedly connected to a scraper (23), and the inner sides of the displacement groove (19) and the auxiliary groove (21) are respectively slidably connected to the two ends of the scraper (23).

4. A wastewater heavy metal sedimentation treatment equipment according to claim 2, characterized in that: A first motor (11) is fixedly mounted on one side of the mounting plate (10), and an output end of the first motor (11) passes through the mounting plate (10) and is fixedly connected to the worm (9).

5. A wastewater heavy metal sedimentation treatment equipment according to claim 3, characterized in that: A second motor (13) is fixedly mounted on one side of the filter box (2), and an output end of the second motor (13) extends to the interior of the displacement slot (19) and is fixedly connected to a threaded rod (20).

6. A wastewater heavy metal sedimentation treatment equipment according to claim 1, characterized in that: A water pump (17) is fixedly installed at the bottom of the inner side of the coagulation box (1), and the output end of the water pump (17) is fixedly connected to one end of a connecting pipe (18).

7. The wastewater heavy metal sedimentation treatment equipment according to claim 1, characterized in that: A chute (16) is provided on one side of the coagulation box (1), and a separation frame (4) is slidably connected between the inner walls of the chute (16).

8. The wastewater heavy metal sedimentation treatment equipment according to claim 1, characterized in that: A cleaning groove (24) is provided on one side of the cleaning box (3), a collecting frame (5) is slidably connected between the inner walls of the cleaning groove (24), and a separation plate (27) is fixedly connected to one side of the collecting frame (5).

9. A wastewater heavy metal sedimentation treatment equipment according to claim 1, characterized in that: A debris removal groove (25) and a through groove (26) are provided on one side of the interior of the filter box (2), and the debris removal groove (25) and the through groove (26) are both connected to the interior of the cleaning box (3).

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