A wastewater filtration device for sewage treatment

Abstract

This utility model provides a wastewater filtration device for sewage treatment, relating to the technical field of sewage treatment equipment. The wastewater filtration device includes a treatment tank, with a water injection pipe fixedly connected to the top of the treatment tank. A mounting base is fixedly connected inside the treatment tank, and a fixed cover is fixedly connected inside the mounting base. The fixed cover has filter holes and a sludge discharge trough. Sewage is injected into the treatment tank through the water injection pipe. Impurities in the sewage are filtered through the filter holes on the fixed cover. A stirring mechanism mixes the filtered sewage with a chemical agent, ensuring uniform mixing. A driving mechanism drives an arc-shaped plate to reciprocate inside the fixed cover, and an arc-shaped scraper scrapes away impurities from the inside of the fixed cover. The impurities are discharged through the sludge discharge trough and collected inside the fixed cover to prevent clogging of the filter holes and affecting the sewage treatment effect.

Description

Technical Field

[0001] This utility model relates to a filtration device, specifically a wastewater filtration device for sewage treatment, belonging to the technical field of sewage treatment equipment. Background Technology

[0002] Wastewater treatment is the process of purifying wastewater to meet the water quality requirements for discharge into a water body or for reuse. Wastewater treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscaping, medical care, and catering, and is increasingly entering the daily lives of ordinary people. Filtration is required during the wastewater treatment process.

[0003] Chinese Patent Publication No. CN211470995U discloses an industrial wastewater treatment device capable of filtering industrial wastewater, including a main housing, a driven wheel fixedly connected to the top of the rotating rod, and a pad fixedly connected to the top of the top frame. After connecting the external pipe to an external industrial wastewater discharge pipe, the water pump is turned on, allowing wastewater to enter the interior of the main housing through the inlet pipe. By turning on the motor, the output shaft, movably connected to the bottom of the motor, rotates inside the bushing. Furthermore, due to the rotation of the bottom of the output shaft and the driven wheel, the driven wheel rotates on the top outside of the pad.

[0004] However, the inventor of the above-mentioned device believes that it has certain defects. When too many impurities accumulate on the screen, the screen mesh is easily blocked, which affects the filtration efficiency of the screen and reduces the efficiency of sewage treatment. Therefore, this utility model provides a wastewater filtration device for sewage treatment. Utility Model Content

[0005] The purpose of this invention is to provide a wastewater filtration device for sewage treatment to solve the above-mentioned problems, thereby addressing the issue that existing technologies easily cause clogging of the screen mesh, affecting the filtration efficiency of the screen and reducing the efficiency of sewage treatment.

[0006] This utility model is achieved through the following technical solution: a wastewater filtration device for sewage treatment, comprising a treatment tank, a water injection pipe fixedly connected to the top of the treatment tank, a mounting base fixedly connected inside the treatment tank, a fixed cover fixedly connected inside the mounting base, filter holes opened on the fixed cover, a slag discharge groove opened on the fixed cover, an arc-shaped plate rotatably connected inside the fixed cover, an arc-shaped scraper for scraping and cleaning the inner wall of the fixed cover fixedly connected to the outer surface of the arc-shaped plate, a driving mechanism for driving the arc-shaped plate to reciprocate inside the fixed cover on the treatment tank, a cross frame fixedly connected inside the treatment tank, a connecting box fixedly connected to the top of the cross frame, a stirring mechanism provided at the bottom of the cross frame, and a driving rod rotatably connected to the treatment tank.

[0007] Preferably, both ends of the arc-shaped plate are fixedly connected to connecting rods, and the arc-shaped plate is rotatably connected to the inside of the fixed cover through the connecting rods. One end of one of the connecting rods extends to the outside of the processing box, and the fixed cover rotates stably inside the arc-shaped plate under the action of the connecting rod.

[0008] Preferably, a fixed frame is fixedly connected to the processing box, and a rotating disk is rotatably connected inside the fixed frame. A pressing slider is fixedly connected to one side of the rotating disk. The driving mechanism includes a swing rod fixed to one end of a connecting rotating rod. A through groove is opened on the swing rod. One end of the pressing slider extends into the through groove. The rotating disk is driven to rotate, and the pressing slider drives the connecting rotating rod to rotate in both directions by pressing the through groove of the swing rod.

[0009] Preferably, a drive motor for driving the drive rod to rotate is fixedly connected to the processing box. A sprocket is fixedly connected to both the drive rod and the shaft end of the rotating disk. The two sprockets are connected by a transmission chain. The drive motor is started to drive the drive rod to rotate, and the sprockets and transmission chain drive the rotating disk to rotate together.

[0010] Preferably, the stirring mechanism includes a stirring rod that rotates at the bottom of the crossbeam, and stirring blades are fixedly connected to the stirring rod. By driving the stirring rod to rotate, the stirring blades mix and stir the sewage and chemicals inside the treatment tank.

[0011] Preferably, one end of the stirring rod and one end of the driving rotor both extend to the connecting box. The connecting box is provided with a gear transmission mechanism that connects the stirring rod and the driving rotor. Under the action of the gear transmission mechanism, the stirring rod is driven to rotate together with the driving rotor during its rotation.

[0012] Preferably, a slag discharge port that is fixedly connected to the slag discharge trough is fixedly connected to the treatment box, a drain pipe is fixedly connected to one side of the treatment box, and a sewage discharge port is fixedly connected to the bottom of the treatment box, so that the treated sewage can be discharged by opening the drain pipe.

[0013] This utility model provides a wastewater filtration device for sewage treatment, which has the following beneficial effects:

[0014] The device injects wastewater into the treatment tank through a water injection pipe. Impurities in the wastewater are filtered through the filter holes on the fixed cover. The filtered wastewater is mixed with chemicals by a stirring mechanism to ensure uniform mixing. A drive mechanism drives an arc-shaped plate to oscillate back and forth inside the fixed cover. An arc-shaped scraper scrapes away impurities from the inside of the fixed cover. The impurities are discharged into the fixed cover through a slag discharge trough for collection, preventing impurities from clogging the filter holes and affecting the wastewater treatment effect.

[0015] The device drives the drive rod to rotate by starting the drive motor, which in turn drives the stirring rod to rotate through the gear transmission mechanism inside the connecting box. The stirring blades mix the sewage and the reagents. The scraped impurities are discharged into the treatment tank by opening the cover at one end of the slag discharge port, and the settled impurities are discharged into the treatment tank by opening the cover at the bottom of the sewage discharge port. Attached Figure Description

[0016] Figure 1 This is a perspective view of the entire utility model;

[0017] Figure 2 This is a perspective view of the mounting structure of the fixing frame of this utility model;

[0018] Figure 3 This is a cross-sectional view of the processing box of this utility model;

[0019] Figure 4 For the present utility model Figure 3 Enlarged view at point A;

[0020] Figure 5 This is a three-dimensional view of the drive mechanism structure of this utility model.

[0021] [Explanation of Key Component Symbols]

[0022] 1. Processing box; 11. Water injection pipe; 12. Slag discharge port; 13. Drainage pipe; 14. Sewage discharge port; 2. Fixed cover; 21. Filter hole; 22. Slag discharge trough; 3. Arc plate; 31. Connecting rotating rod; 4. Arc scraper; 5. Swing rod; 6. Fixed frame; 7. Rotating disk; 71. Extrusion slider; 8. Horizontal frame; 81. Connecting box; 82. Stirring rod; 83. Stirring blade; 9. Drive rotating rod; 91. Drive motor. Detailed Implementation

[0023] This utility model provides a wastewater filtration device for sewage treatment.

[0024] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5A wastewater filtration device for sewage treatment includes a treatment tank 1. A water injection pipe 11 is fixedly connected to the top of the treatment tank 1, through which sewage is poured into the interior of the treatment tank 1. An installation base is fixedly connected inside the treatment tank 1, and a fixed cover 2 is fixedly connected inside the installation base. The fixed cover 2 has filter holes 21 and is hemispherical.

[0025] Please refer to it again. Figure 1 , Figure 2 , Figure 3 and Figure 4 The fixed cover 2 is provided with a slag discharge trough 22. An arc-shaped plate 3 is rotatably connected inside the fixed cover 2. Both ends of the arc-shaped plate 3 are fixedly connected with connecting rods 31. The arc-shaped plate 3 is rotatably connected to the inside of the fixed cover 2 through the connecting rods 31. One end of one connecting rod 31 extends to the outside of the processing box 1. An arc-shaped scraper 4 for scraping and cleaning the inner wall of the fixed cover 2 is fixedly connected to the outer surface of the arc-shaped plate 3. By driving the connecting rods 31 to rotate, the arc-shaped scraper 4 on the outer surface of the arc-shaped plate 3 scrapes the inner wall of the fixed cover 2, thereby preventing impurities from clogging the filter holes 21, and the impurities are discharged through the slag discharge trough 22.

[0026] Please refer to it again. Figure 2 , Figure 3 , Figure 4 and Figure 5 The processing box 1 is equipped with a driving mechanism that drives the arc plate 3 to reciprocate inside the fixed cover 2. A fixed frame 6 is fixedly connected to the processing box 1. A rotating disk 7 is rotatably connected inside the fixed frame 6. A pressing slider 71 is fixedly connected to one side of the rotating disk 7. The driving mechanism includes a swing rod 5 fixed to one end of a connecting rotating rod 31. A through groove is opened on the swing rod 5. One end of the pressing slider 71 extends into the through groove. The rotating disk 7 is disc-shaped, and the fixed frame 6 is U-shaped. The rotating disk 7 is driven to rotate, and the pressing slider 71 is used to press the through groove of the swing rod 5 to drive the swing rod 5 to reciprocate around the connecting rotating rod 31, thereby driving the arc plate 3 to reciprocate inside the fixed cover 2.

[0027] Please refer to it again. Figure 1 , Figure 2 and Figure 3 The treatment tank 1 is fixedly connected to a cross frame 8. A connecting box 81 is fixedly connected to the top of the cross frame 8. A stirring mechanism is provided at the bottom of the cross frame 8. The stirring mechanism includes a stirring rod 82 that rotates at the bottom of the cross frame 8. A stirring blade 83 is fixedly connected to the stirring rod 82. By driving the stirring rod 82 to rotate, the stirring blade 83 mixes and stirs the flocculant and sewage poured into the treatment tank 1, so that the sewage and the agent are mixed evenly.

[0028] Please refer to it again. Figure 2 and Figure 5A drive rod 9 is rotatably connected to the processing box 1. A drive motor 91 is fixedly connected to the processing box 1 to drive the drive rod 9 to rotate. A sprocket is fixedly connected to both the drive rod 9 and the shaft end of the rotating disk 7. The two sprockets are connected by a transmission chain. The drive motor 91 is started to drive the drive rod 9 to rotate. Under the action of the two sprockets and the transmission chain, the rotating disk 7 is driven to rotate together.

[0029] Please refer to it again. Figure 1 , Figure 2 and Figure 3 One end of the stirring rod 82 and one end of the driving rod 9 both extend to the connecting box 81. The connecting box 81 is equipped with a gear transmission mechanism that connects the stirring rod 82 and the driving rod 9. The gear mechanism is one of the most widely used transmission mechanisms in modern machinery. It can be used to transmit motion and power between any two shafts in space and has a large transmission power range. The mechanism consists of two meshing bevel gears. When the driving rod 9 rotates, the gear transmission mechanism drives the stirring rod 82 to rotate together.

[0030] Please refer to it again. Figure 1 , Figure 2 and Figure 3 The treatment box 1 is fixedly connected to the slag discharge port 12, which is connected to the slag discharge trough 22. The impurities scraped from the inside of the fixed cover 2 can be discharged by opening the cover at one end of the slag discharge port 12. A drain pipe 13 is fixedly connected to one side of the treatment box 1. The treated wastewater can be discharged by opening the valve on the drain pipe 13. A sewage outlet 14 is fixedly connected to the bottom of the treatment box 1. The sedimented impurities can be discharged by opening the cover plate at the bottom of the sewage outlet 14.

[0031] Working principle: The device is installed in a suitable location and connected to a municipal power supply. Wastewater is poured into the treatment tank 1 through the water inlet pipe 11. Impurities in the wastewater are filtered through the filter holes 21. The filtered wastewater flows into the inner bottom wall of the treatment tank 1. Then, flocculant is added to the wastewater, and the drive motor 91 is started to drive the drive rod 9 to rotate. Under the action of the gear transmission mechanism, the stirring rod 82 is driven to rotate as well. The stirring blades 83 on the stirring rod 82 mix the agent and wastewater. During the rotation of the drive rod 9, the sprocket is set to... The chain drives the rotating disk 7 to rotate together. By squeezing the slider 71, it squeezes the through groove of the swing rod 5, thereby driving the connecting rod 31 to rotate back and forth. The arc-shaped scraper 4 on the outer surface of the arc plate 3 scrapes the inner wall of the fixed cover 2, so that the impurities inside the fixed cover 2 are scraped into the space between the mounting base and the inner wall of the treatment box 1 through the slag discharge groove 22. Then, the impurities are discharged by opening the cover at one end of the drain pipe 13. After sedimentation, the sewage is discharged by opening the valve on the drain pipe 13, and the sedimented impurities are discharged by opening the cover at the bottom of the sewage outlet 14.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A wastewater filtration device for sewage treatment, comprising a treatment tank (1), characterized in that: The top of the treatment box (1) is fixedly connected to a water injection pipe (11). The inside of the treatment box (1) is fixedly connected to a mounting base. The inside of the mounting base is fixedly connected to a fixed cover (2). The fixed cover (2) has a filter hole (21) and a slag discharge trough (22). The inside of the fixed cover (2) is rotatably connected to an arc plate (3). The outer surface of the arc plate (3) is fixedly connected to an arc scraper (4) for scraping and cleaning the inner wall of the fixed cover (2). The treatment box (1) is provided with a driving mechanism that drives the arc plate (3) to swing back and forth inside the fixed cover (2). The inside of the treatment box (1) is fixedly connected to a cross frame (8). The top of the cross frame (8) is fixedly connected to a connecting box (81). The bottom of the cross frame (8) is provided with a stirring mechanism. The treatment box (1) is rotatably connected to a driving rod (9).

2. The wastewater filtration device for sewage treatment according to claim 1, characterized in that: Both ends of the arc plate (3) are fixedly connected to connecting rods (31). The arc plate (3) is rotatably connected to the inside of the fixed cover (2) through the connecting rods (31). One end of the connecting rod (31) extends to the outside of the processing box (1).

3. The wastewater filtration device for sewage treatment according to claim 2, characterized in that: A fixed frame (6) is fixedly connected to the processing box (1). A rotating disk (7) is rotatably connected inside the fixed frame (6). A pressing slider (71) is fixedly connected to one side of the rotating disk (7). The driving mechanism includes a swing rod (5) fixed to one end of a connecting rotating rod (31). A through groove is provided on the swing rod (5). One end of the pressing slider (71) extends into the through groove.

4. The wastewater filtration device for sewage treatment according to claim 1, characterized in that: The processing box (1) is fixedly connected to a drive motor (91) that drives the drive rod (9) to rotate. Both the drive rod (9) and the rotating shaft end of the rotating disk (7) are fixedly connected to sprockets, and the two sprockets are connected by a transmission chain.

5. A wastewater filtration device for sewage treatment according to claim 1, characterized in that: The stirring mechanism includes a stirring rod (82) that rotates at the bottom of the crossbar (8), and a stirring blade (83) is fixedly connected to the stirring rod (82).

6. A wastewater filtration device for sewage treatment according to claim 5, characterized in that: One end of the stirring rod (82) and one end of the driving rod (9) both extend to the connecting box (81), and the connecting box (81) is provided with a gear transmission mechanism that connects the stirring rod (82) and the driving rod (9) for movement.

7. A wastewater filtration device for sewage treatment according to claim 1, characterized in that: The treatment box (1) is fixedly connected to the slag discharge port (12) which is connected to the slag discharge trough (22). A drain pipe (13) is fixedly connected to one side of the treatment box (1). A sewage outlet (14) is fixedly connected to the bottom of the treatment box (1).

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