Flocculating, precipitating and filtering device for advanced treatment of wastewater

Abstract

The utility model belongs to the technical field of advanced wastewater treatment, and particularly relates to a flocculent precipitate filtering device for advanced wastewater treatment, which comprises a support column, a box body is fixedly connected to the top of the supporting column, a water inlet pipe is fixedly connected to the top of one side of the box body, a collecting box is fixedly connected to the bottom of one side of the box body, an observation window is fixedly connected to the other side of the front face of the box body, and a first motor is arranged in the middle of the top of the box body; a precise feeding pipe is fixedly connected to the other side of the top of the box body, a stirring device is arranged at the bottom of a first motor, a filter plate is arranged at the bottom of the stirring device, a filter screen is arranged at the bottom of the filter plate, and a cleaning device is fixedly connected to the inner wall of the back face of the box body between the filter plate and the filter screen. Through the arrangement of the cleaning device, the filter plate and the filter screen can be cleaned as required, and sediments and flocculates accumulated on the filter screen are effectively removed.

Description

Technical Field

[0001] The utility model relates to the technical field of advanced wastewater treatment, in particular to a flocculation sedimentation and filtration device for advanced wastewater treatment. Background Technique

[0002] The progress and development of modern society are inseparable from water resources. However, people consume a large amount of the earth's water every day. Therefore, in order to save these precious water resources on the earth, how to reuse sewage has attracted more and more attention. Sewage treatment is a frequently required process in the current industrial production field, especially for various industries such as textile, paper-making, printing and dyeing, and chemical industry. Due to the large amount of wastewater, if reliable sewage treatment is not carried out, it will cause extremely serious pollution to the environment.

[0003] After long-term operation of the existing flocculation sedimentation and filtration device for advanced wastewater treatment, the filter media or filter screen in the flocculation sedimentation and filtration device is likely to be blocked by solid particles, flocculent substances, etc. in the wastewater. If these blockages cannot be removed in time, it will lead to a decrease in filtration efficiency and even the system stops working.

[0004] Therefore, in view of the above problems, a flocculation sedimentation and filtration device for advanced wastewater treatment is proposed. Content of the Utility Model

[0005] The technical problem to be solved by the utility model is: there is a disadvantage of reduced filtration efficiency in the prior art. For this reason, we propose a flocculation sedimentation and filtration device for advanced wastewater treatment.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a flocculation sedimentation and filtration device for advanced wastewater treatment, including support columns; the top of the support columns is fixedly connected with a box body, the top of one side of the box body is fixedly connected with a water inlet pipe, the bottom of one side of the box body is fixedly connected with a collection box, the other side of the front of the box body is fixedly connected with an observation window, the middle part of the top of the box body is provided with a first motor, the other side of the top of the box body is fixedly connected with a precise feeding pipe, the bottom of the first motor is provided with a stirring device, the bottom of the stirring device is provided with a filter plate, the bottom of the filter plate is provided with a filter screen, a cleaning device is fixedly connected to the inner wall of the back of the box body between the filter plate and the filter screen, and the bottom of the box body is fixedly connected with a water outlet pipe.

[0007] Preferably, a graduated transparent tube is arranged in the precise feeding pipe, and the top of the graduated transparent tube is movably connected with a tube cap.

[0008] Preferably, the bottom of the graduated transparent tube is fixedly connected with a control pipe, and a control valve is arranged on the surface of the control pipe.

[0009] Preferably, a rotating shaft is provided inside the stirring device, and stirring rods are fixedly connected to the surface of the rotating shaft.

[0010] Preferably, a lead screw is provided inside the cleaning device, a second motor is provided on the other side of the lead screw, and a moving plate is rotatably connected to the surface of the lead screw.

[0011] Preferably, connecting blocks are fixedly connected to the front of the top and bottom of the moving plate, fixing plates are fixedly connected to the bottoms of the connecting blocks, and cleaning brushes are fixedly connected to the bottoms of the fixing plates.

[0012] Preferably, a limiting block is fixedly connected to the bottom of the back of the moving plate, and a limiting groove is formed in the bottom of the limiting block.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1. Through the setting of the precise feeding pipe of the present utility model, the feeding rate of the flocculant can be adjusted to ensure an ideal flocculation effect under different treatment conditions. For example, for wastewater with different turbidities, it may be necessary to adjust the feeding rate to achieve the best effect.

[0015] 2. Through the setting of the cleaning device of the present utility model, the filter plates and filter meshes can be cleaned as needed, effectively removing the sediments and flocs accumulated on the filter meshes. In this way, the permeability and filtration efficiency of the filter plates and filter meshes can be maintained, ensuring that the wastewater treatment system can work continuously and stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings 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.

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

[0018] Figure 2 is a front sectional structural schematic diagram of the present utility model;

[0019] Figure 3 is a three-dimensional structural schematic diagram of the precise feeding pipe of the present utility model;

[0020] Figure 4 is a three-dimensional structural schematic diagram of the cleaning device of the present utility model;

[0021] Figure 5 is of the present utility model Figure 4Schematic diagram of the enlarged three-dimensional structure of A

[0022] In the figure: 1, support column; 2, box body; 3, water inlet pipe; 4, collection box; 5, observation window; 6, first motor; 7, precise feeding pipe; 701, graduated transparent pipe; 702, pipe cover; 703, control pipe; 704, control valve; 8, stirring device; 801, rotating shaft; 802, stirring rod; 9, filter plate; 10, filter screen; 11, cleaning device; 1101, lead screw; 1102, second motor; 1103, moving plate; 1104, connecting block; 1105, fixing plate; 1106, cleaning brush; 1107, limit block; 1108, limit groove; 12, water outlet pipe Detailed implementation manners

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention

[0024] The following is a further detailed description of this application with reference to the attached Figures 1-5 drawings to further illustrate this application

[0025] The embodiments of this application disclose a flocculation sedimentation and filtration device for advanced wastewater treatment. Refer to Figure 1 and Figure 2, including a support column 1; the top of the support column 1 is fixedly connected with a box body 2, the top of one side of the box body 2 is fixedly connected with a water inlet pipe 3, the bottom of one side of the box body 2 is fixedly connected with a collection box 4, the other side of the front of the box body 2 is fixedly connected with an observation window 5, the middle part of the top of the box body 2 is provided with a first motor 6, the other side of the top of the box body 2 is fixedly connected with a precise feed pipe 7, the bottom of the first motor 6 is provided with a stirring device 8, the bottom of the stirring device 8 is provided with a filter plate 9, the bottom of the filter plate 9 is provided with a filter net 10, and the inner wall of the back of the box body 2 between the filter plate 9 and the filter net 10 is fixedly connected with a cleaning device 11; the bottom of the box body 2 is fixedly connected with a water outlet pipe 12; through the setting of the collection box 4, the cleaning device 11 is used to clean the sediments and flocs on the filter plate 9 and the filter net 10 into the collection box 4. Through the setting of the observation window 5, the operator is allowed to observe the flocculation, precipitation and filtration conditions during the wastewater treatment process in real time. Through the setting of the first motor 6, it plays a role in driving the stirring device 8. Through the setting of the precise feed pipe 7, the dosing rate of the flocculant can be adjusted to ensure an ideal flocculation effect under different treatment conditions. Through the setting of the stirring device 8, it can help dissolve the flocculant evenly in the wastewater, ensure that it quickly and effectively combines with suspended solids and colloidal particles to form larger flocs. Good mixing can improve the utilization rate of the flocculant and accelerate the flocculation process, thereby improving the efficiency and speed of wastewater treatment. Through the setting of the filter plate 9 and the filter net 10, visible particles and suspended solids in the wastewater can be effectively intercepted, thereby purifying the water quality. Through the setting of the cleaning device 11, the filter plate 9 and the filter net 10 can be cleaned as needed, and the sediments and flocs accumulated on the filter screen can be effectively removed. In this way, the permeability and filtration efficiency of the filter plate 9 and the filter net 10 can be maintained, ensuring that the wastewater treatment system can work continuously and stably.

[0026] Refer to Figure 3 , a scale transparent tube 701 is arranged in the precise feed pipe 7, and a tube cap 702 is movably connected to the top of the scale transparent tube 701; through the setting of the scale transparent tube 701, the amount of flocculant added each time can be intuitively observed, so as to ensure a stable chemical dosing amount during the treatment process.

[0027] Refer to Figure 3 , the bottom of the scale transparent tube 701 is fixedly connected with a control pipe 703, and a control valve 704 is arranged on the surface of the control pipe 703; through the setting of the control valve 704, the dosing rate of the flocculant can be adjusted to ensure an ideal flocculation effect under different treatment conditions.

[0028] Refer to Figure 2, a rotating shaft 801 is arranged in the stirring device 8, and stirring rods 802 are fixedly connected to the surface of the rotating shaft 801; through the arrangement of the rotating shaft 801, it is convenient to drive the stirring rods 802 to rotate, which can help dissolve the flocculant evenly in the wastewater and ensure that it quickly and effectively combines with suspended solids and colloidal particles to form larger flocs.

[0029] Refer to Figure 2 and Figure 5 , a lead screw 1101 is arranged in the cleaning device 11, a second motor 1102 is arranged on the other side of the lead screw 1101, and a moving plate 1103 is rotatably connected to the surface of the lead screw 1101; through the arrangement of the second motor 1102, it plays a role in driving the lead screw 1101, and through the rotation of the lead screw 1101, it is convenient to drive the moving plate 1103 to move.

[0030] Refer to Figure 4 , connecting blocks 1104 are fixedly connected to the front of the top and bottom of the moving plate 1103, fixing plates 1105 are fixedly connected to the bottoms of the connecting blocks 1104, and cleaning brushes 1106 are fixedly connected to the bottoms of the fixing plates 1105; through the movement of the moving plate 1103, the connecting blocks 1104, the fixing plates 1105, and the cleaning brushes 1106 are driven to move to clean the filter plate 9 and the filter net 10.

[0031] Refer to Figure 5 , a limiting block 1107 is fixedly connected to the bottom of the back of the moving plate 1103, and a limiting groove 1108 is opened at the bottom of the limiting block 1107; through the arrangement of the limiting block 1107, it plays a role in limiting the moving plate 1103.

[0032] Working principle: Wastewater is sent into the box body 2 through the water inlet pipe 3. Open the control valve 704 and observe the scale transparent tube 701 to accurately adjust the dosing rate of the flocculant. Drive the rotating shaft 801 to rotate through the first motor 6. Through the rotation of the rotating shaft 801, drive the stirring rod 802 to stir, and evenly dissolve the flocculant in the wastewater. Good mixing can improve the utilization rate of the flocculant, accelerate the flocculation process, thereby improving the efficiency and speed of wastewater treatment. The visible particles and suspended substances in the wastewater can be effectively intercepted through the filter plate 9 and the filter net 10, thereby purifying the water quality. The filtered water is discharged through the water outlet pipe 12. Observe the flocculation, precipitation and filtration conditions during the wastewater treatment process in the box body 2 in real time through the observation window 5. When the filter plate 9 and the filter net 10 are blocked, drive the lead screw 1101 to rotate through the second motor 1102. Through the rotation of the lead screw 1101, drive the connecting block 1104, the fixing plate 1105 and the cleaning brush 1106 to move. Through the movement of the cleaning brush 1106, it is convenient to clean the sediments and flocs on the filter plate 9 and the filter net 10 into the collection box 4, which can maintain the permeability and filtration efficiency of the filter plate 9 and the filter net 10, and ensure that the wastewater treatment system can work continuously and stably.

[0033] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A flocculation sedimentation filtration device for advanced wastewater treatment, characterized in that: The invention comprises a support column (1); the top of the support column (1) is fixedly connected to a box (2); the top of one side of the box (2) is fixedly connected to a water inlet pipe (3); the bottom of one side of the box (2) is fixedly connected to a collection box (4); the other side of the front of the box (2) is fixedly connected to an observation window (5); a first motor (6) is arranged at the middle part of the top of the box (2); the other side of the top of the box (2) is fixedly connected to a precision feed pipe (7); a stirring device (8) is arranged at the bottom of the first motor (6); a filter plate (9) is arranged at the bottom of the stirring device (8); a filter screen (10) is arranged at the bottom of the filter plate (9); a cleaning device (11) is fixedly connected to the inner wall of the back side of the box (2) between the filter plate (9) and the filter screen (10); and a water outlet pipe (12) is fixedly connected to the bottom of the box (2).

2. The flocculation sedimentation filtration device for deep treatment of wastewater according to claim 1, characterized in that: A graduated transparent tube (701) is provided inside the precision feeding tube (7), and a tube cover (702) is movably connected to the top of the graduated transparent tube (701).

3. The flocculation sedimentation filtration device for deep treatment of wastewater according to claim 2, characterized in that: The bottom of the graduated transparent tube (701) is fixedly connected to a control tube (703), and a control valve (704) is provided on the surface of the control tube (703).

4. The flocculation sedimentation filtration device for deep treatment of wastewater according to claim 1, characterized in that: A rotating shaft (801) is arranged in the stirring device (8), and a stirring rod (802) is fixedly connected to the surface of the rotating shaft (801).

5. The flocculation sedimentation filtration device for deep treatment of wastewater according to claim 1, characterized in that: A screw rod (1101) is arranged inside the cleaning device (11), a second motor (1102) is arranged on the other side of the screw rod (1101), and a movable plate (1103) is rotatably connected to the surface of the screw rod (1101).

6. The flocculation sedimentation filtration device for deep treatment of wastewater according to claim 5, characterized in that: The front sides of the top and bottom of the movable plate (1103) are fixedly connected with connecting blocks (1104), the bottom of the connecting block (1104) is fixedly connected with a fixing plate (1105), and the bottom of the fixing plate (1105) is fixedly connected with a cleaning brush (1106).

7. The flocculation sedimentation filtration device for deep treatment of wastewater according to claim 5, characterized in that: The bottom of the back side of the movable plate (1103) is fixedly connected to a limiting block (1107), and a limiting groove (1108) is provided at the bottom of the limiting block (1107).

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