Precipitating and filtering device for sewage

Abstract

The utility model discloses a settling and filtering device for sewage, which relates to the technical field of settling and filtering equipment and comprises a settling tank, a filtering tank, a filtering frame, a filtering cavity, an isolating plate, a first sealing strip, a second sealing strip and a servo electric cylinder. Sewage is conveyed into the filter box through the connecting pipe, the sewage directly enters the filter cavity in the filter frame in the filter box, when the filter cavity of the filter frame needs to be cleaned, the connecting pipe can be temporarily closed, then the servo electric cylinder is directly adjusted for telescopic adjustment, the servo electric cylinder drives the filter frame to slide, and the filter frame is driven by the servo electric cylinder to slide. In the sliding adjustment process of the filtering frame, rapid switching of the filtering cavities can be effectively achieved, then sewage can be continuously filtered by opening the connecting pipe, meanwhile, the filtering cavities moved out of the filtering box can be directly cleaned, a filtering assembly does not need to be disassembled, operation is convenient and rapid, and the filtering efficiency is improved. And normal filtering work can be ensured when the filtering assembly is disassembled and cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of sedimentation and filtering equipment, in particular to a sedimentation and filtering device for sewage. Background Art

[0002] After the coking plant cooling water is used, the Ca content in the water 2+ Mg 2+ 、Cl-、SO4 2- Plasma, coking wastewater treatment is the last step in coke oven gas purification; the coking wastewater treatment process mainly consists of pretreatment, biological treatment, coagulation treatment, sludge treatment, etc.; coagulation treatment mainly involves flocculation and sedimentation of wastewater, and then filtering the wastewater to remove flocculants.

[0003] Patent (CN218345254U) discloses a sedimentation and filtration equipment for sewage treatment, including a base, a shell fixedly connected to the left side of the top of the base, a motor fixedly connected to the top of the shell, a rotating rod fixedly connected to the output end of the motor, a stirring frame fixedly connected to the surface of the rotating rod, a medicine box fixedly connected to one side of the top of the shell, a water inlet pipe is arranged at the top of one side of the shell, and a sealing plate is arranged at the bottom of one side of the shell. The utility model cooperates with the base, shell, motor, rotating rod, stirring frame, medicine box, water inlet pipe, sealing plate, water pump, water pump pipe, hose, filter box, card slot, card plate, fine filter plate, coarse filter plate, pressure plate, sealing plate, sealing pad and drain pipe, so that the staff can disassemble and clean the filter components of the sedimentation and filtration equipment for sewage treatment through a convenient disassembly and assembly structure, thereby improving the filtering effect of the sedimentation and filtration equipment for sewage treatment to a certain extent.

[0004] The sedimentation filtration equipment for sewage treatment in the above patent document uses a filter box for filtration treatment. When cleaning the filter components inside the filter box, the filter components need to be disassembled, which is a cumbersome operation, and normal filtration work cannot be performed when the filter components are disassembled for cleaning. Utility Model Content

[0005] The purpose of the utility model is to provide a sedimentation and filtering device for sewage to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a sedimentation and filtering device for sewage, comprising a sedimentation box and a filter box, the sedimentation box being connected to one side of the filter box through a connecting pipe, a slidingly connected filter frame being provided inside the filter box, a plurality of filter chambers parallel to each other being provided inside the filter frame, an isolation plate being provided between two adjacent filter chambers of the filter frame, a plurality of first sealing strips being provided at the top and bottom of the isolation plate, a plurality of second sealing strips being provided at the top and bottom of both ends of the filter frame, a servo electric cylinder being provided at the top of the filter box, an output end of the servo electric cylinder being fixedly connected to the top of one end of the filter frame, and openings matching the filter frame being provided at both ends of the filter box.

[0007] Furthermore, a drainage pipe is provided on the side of the outer wall of the filter box away from the connecting pipe, and a water inlet pipe is provided on the top of one side of the outer wall of the sedimentation box. Valves are provided on the connecting pipe and the water inlet pipe.

[0008] Furthermore, the length direction of the servo electric cylinder is parallel to the filter frame, the connecting pipe and the servo electric cylinder are perpendicular to each other, the length direction of the filter cavity is parallel to the connecting pipe, and a plurality of filter plates are provided on the inner wall of the filter cavity.

[0009] Furthermore, a motor is vertically provided at the center of the top of the sedimentation box, a stirring shaft is vertically provided inside the sedimentation box, an output end of the motor is fixedly connected to the top of the stirring shaft, and a dosing box is provided on one side of the top of the sedimentation box.

[0010] Furthermore, a plurality of first stirring rods are symmetrically and obliquely arranged on both sides of the outer wall of the stirring shaft, a plurality of second stirring rods are vertically arranged at the bottom of the first stirring rod, a plurality of third stirring rods are arranged on the top of the first stirring rod, and the third stirring rods are perpendicular to the first stirring rods.

[0011] Furthermore, a guide plate is obliquely provided at the bottom of the sedimentation box, the connecting pipe is arranged at the top of the higher side of the guide plate, a discharge port is opened on the outer wall of the sedimentation box on the other side of the guide plate, and a sealing plate is provided outside the discharge port.

[0012] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0013] 1. The utility model provides a sedimentation box, a filter box, a filter frame, a filter cavity, an isolation plate, a first sealing strip, a second sealing strip and a servo electric cylinder. The coking sewage is sent into the sedimentation box for sedimentation treatment, and the sewage is transported to the inside of the filter box through a connecting pipe. The sewage directly enters the filter cavity inside the filter frame inside the filter box, and the sewage is filtered inside the filter cavity. After passing through the filter cavity, the sewage is discharged from the filter box. When the filter cavity of the filter frame needs to be cleaned, the connecting pipe can be temporarily closed, and then the servo electric cylinder can be directly adjusted for telescopic adjustment. The servo electric cylinder drives the filter frame to slide. During the sliding adjustment of the filter frame, the filter cavity can be effectively switched quickly. Then, the connecting pipe can be opened to continue filtering the sewage. At the same time, the filter cavity removed from the filter box can be directly cleaned without disassembling the filter assembly. The operation is convenient and quick, and normal filtering work can be ensured when the filter assembly is disassembled and cleaned.

[0014] 2. In the utility model, after the coking sewage enters the sedimentation tank, the motor drives the stirring shaft to rotate, and the sewage in the sedimentation tank can be flocculated by adding medicine through the medicine adding box. During the rotation of the stirring shaft, the first stirring rod rotates with the stirring shaft, and the second stirring rod and the third stirring rod rotate with the first stirring rod. The first stirring rod, the second stirring rod and the third stirring rod stir the sewage in the sedimentation tank. The structural shape of the first stirring rod, the second stirring rod and the third stirring rod can effectively improve the stirring treatment of the sewage in the sedimentation tank, and can effectively improve the flocculation treatment effect of the sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is the front view of the utility model as a whole;

[0017] Figure 2 It is a front cross-sectional view of the utility model as a whole;

[0018] Figure 3 It is a top view of the filter box of the utility model;

[0019] Figure 4 It is a top view cross-sectional view of the filter box of the utility model;

[0020] In the figure: 1. sedimentation box; 2. filter box; 3. connecting pipe; 4. filter frame; 5. filter chamber; 6. isolation plate; 7. first sealing strip; 8. second sealing strip; 9. servo cylinder; 10. drain pipe; 11. water inlet pipe; 12. valve; 13. filter plate; 14. motor; 15. stirring shaft; 16. dosing box; 17. first stirring rod; 18. second stirring rod; 19. third stirring rod; 20. material guide plate; 21. discharge port; 22. sealing plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 4 The utility model provides a technical solution: a sedimentation and filtering device for sewage, comprising a sedimentation box 1 and a filter box 2, wherein the sedimentation box 1 is connected to one side of the filter box 2 through a connecting pipe 3, a slidingly connected filter frame 4 is provided inside the filter box 2, a plurality of filter chambers 5 parallel to each other are provided inside the filter frame 4, a partition plate 6 is provided between two adjacent filter chambers 5 of the filter frame 4, a plurality of first sealing strips 7 are provided on the top and bottom of the partition plate 6, a plurality of second sealing strips 8 are provided on the top and bottom of both ends of the filter frame 4, a servo electric cylinder 9 is provided on the top of the filter box 2, and an output end of the servo electric cylinder 9 is connected to the filter frame 4 is fixedly connected to the top of one end, and openings matching the filter frame 4 are respectively provided at both ends of the filter box 2; a motor 14 is vertically provided at the center of the top of the sedimentation box 1, a stirring shaft 15 is vertically provided inside the sedimentation box 1, the output end of the motor 14 is fixedly connected to the top of the stirring shaft 15, and a dosing box 16 is provided on one side of the top of the sedimentation box 1; a plurality of first stirring rods 17 are symmetrically inclined on both sides of the outer wall of the stirring shaft 15, a plurality of second stirring rods 18 are vertically provided at the bottom of the first stirring rod 17, and a plurality of third stirring rods 19 are provided on the top of the first stirring rod 17, and the third stirring rod 19 is perpendicular to the first stirring rod 17.

[0023] A drain pipe 10 is provided on the side of the outer wall of the filter box 2 away from the connecting pipe 3, and a water inlet pipe 11 is provided on the top of one side of the outer wall of the sedimentation box 1. A valve 12 is provided on the connecting pipe 3 and the water inlet pipe 11. The coking sewage is sent into the sedimentation box 1 from the water inlet pipe 11. After the sewage in the sedimentation box 1 is treated by flocculation and sedimentation, the sewage is transported to the filter box 2 through the connecting pipe 3. The filter frame 4 in the filter box 2 filters the sewage, and the sewage is discharged from the drain pipe 10 after filtration. The valve 12 is provided so that the connecting pipe 3 and the water inlet pipe 11 can be quickly opened and closed.

[0024] The servo electric cylinder 9 is parallel to the length direction of the filter frame 4, the connecting pipe 3 is perpendicular to the servo electric cylinder 9, and the length direction of the filter chamber 5 is parallel to the connecting pipe 3, so that when the servo electric cylinder 9 performs telescopic movement, it drives the filter frame 4 to slide, so as to switch the filter chamber 5 of the filter frame 4; a plurality of filter plates 13 are provided on the inner wall of the filter chamber 5, so as to ensure that the sewage transported by the connecting pipe 3 directly passes into the filter chamber 5, and the sewage needs to pass through the plurality of filter plates 13 in the filter chamber 5 in sequence for filtering.

[0025] The bottom of the sedimentation box 1 is provided with a guide plate 20 at an angle, and the connecting pipe 3 is arranged on the top of the higher side of the guide plate 20. The outer wall of the sedimentation box 1 is provided with a discharge port 21 on the other side of the guide plate 20. A sealing plate 22 is provided on the outside of the discharge port 21. The guide plate 20 guides the floccules at an angle at the bottom of the inner side of the sedimentation box 1. When cleaning the floccules, the sealing plate 22 is opened and the floccules are directly discharged from the discharge port 21. The operation is convenient and quick.

[0026] The working principle of this utility model:

[0027] Refer to the instruction manual Figure 1-Figure 4The utility model is provided with a sedimentation box 1, a filter box 2, a filter frame 4, a filter cavity 5, a separation plate 6, a first sealing strip 7, a second sealing strip 8 and a servo electric cylinder 9. The coking sewage is sent into the sedimentation box 1 for sedimentation treatment. After the reagent is added for flocculation and sedimentation treatment, the sewage is transported to the filter box 2 through the connecting pipe 3. The sewage directly enters the filter cavity 5 inside the filter frame 4 inside the filter box 2. The sewage is filtered inside the filter cavity 5. After passing through the filter cavity 5, the sewage is discharged from the filter box 2. Due to the particularity of the coking sewage, there are many impurities in the sewage, and the cleaning frequency is high. When the filter chamber 5 of the filter frame 4 needs to be cleaned, the connecting pipe 3 can be temporarily closed, and then the servo electric cylinder 9 can be directly adjusted to perform telescopic adjustment. The servo electric cylinder 9 drives the filter frame 4 to slide, and the filter frame 4 passes through the filter box 2. During the sliding adjustment of the filter frame 4, the filter chamber 5 can be effectively switched quickly, and then the connecting pipe 3 can be opened to continue filtering the sewage. At the same time, the filter chamber 5 removed from the filter box 2 can be directly cleaned without disassembling the filter assembly. The operation is convenient and quick, and normal filtering work can be ensured when the filter assembly is disassembled and cleaned.

[0028] After the coking sewage enters the sedimentation tank 1, the motor 14 is turned on, and the motor 14 drives the stirring shaft 15 to rotate. The sewage in the sedimentation tank 1 can be treated by adding medicine and flocculation through the medicine-adding box 16. During the rotation of the stirring shaft 15, the first stirring rod 17 rotates with the stirring shaft 15, and the first stirring rod 17 stirs the sewage in the sedimentation tank 1. The second stirring rod 18 and the third stirring rod 19 rotate with the first stirring rod 17, and the second stirring rod 18 and the third stirring rod 19 stir the sewage in the sedimentation tank 1. The structural shape of the first stirring rod 17, the second stirring rod 18 and the third stirring rod 19 can effectively improve the stirring treatment of the sewage in the sedimentation tank 1, and can effectively improve the flocculation treatment effect of the sewage.

[0029] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sewage sedimentation and filtration device, comprising a sedimentation tank (1) and a filtration tank (2), characterized in that: The sedimentation box (1) is connected to one side of the filter box (2) through a connecting pipe (3); a slidingly connected filter frame (4) is provided inside the filter box (2); a plurality of filter chambers (5) parallel to each other are provided inside the filter frame (4); an isolation plate (6) is provided between two adjacent filter chambers (5); a plurality of first sealing strips (7) are provided at the top and bottom of the isolation plate (6); a plurality of second sealing strips (8) are provided at the top and bottom of both ends of the filter frame (4); a servo electric cylinder (9) is provided at the top of the filter box (2); an output end of the servo electric cylinder (9) is fixedly connected to the top of one end of the filter frame (4); and openings matching the filter frame (4) are provided at both ends of the filter box (2).

2. A sewage sedimentation and filtration device according to claim 1, characterized in that: A drainage pipe (10) is provided on the side of the outer wall of the filter box (2) away from the connecting pipe (3), a water inlet pipe (11) is provided on the top of one side of the outer wall of the sedimentation box (1), and valves (12) are provided on both the connecting pipe (3) and the water inlet pipe (11).

3. A sewage sedimentation and filtration device according to claim 2, characterized in that: The servo electric cylinder (9) is parallel to the length direction of the filter frame (4), the connecting pipe (3) and the servo electric cylinder (9) are perpendicular to each other, the length direction of the filter chamber (5) is parallel to the connecting pipe (3), and a plurality of filter plates (13) are provided on the inner wall of the filter chamber (5).

4. A sewage sedimentation and filtration device according to claim 1, characterized in that: A motor (14) is vertically arranged at the center of the top of the sedimentation box (1), a stirring shaft (15) is vertically arranged inside the sedimentation box (1), an output end of the motor (14) is fixedly connected to the top of the stirring shaft (15), and a dosing box (16) is arranged on one side of the top of the sedimentation box (1).

5. A sewage sedimentation and filtration device according to claim 4, characterized in that: A plurality of first stirring rods (17) are symmetrically and obliquely arranged on both sides of the outer wall of the stirring shaft (15); a plurality of second stirring rods (18) are vertically arranged at the bottom of the first stirring rod (17); a plurality of third stirring rods (19) are arranged at the top of the first stirring rod (17); the third stirring rods (19) and the first stirring rods (17) are perpendicular to each other.

6. A sewage sedimentation and filtration device according to claim 1, characterized in that: A material guide plate (20) is obliquely provided at the bottom of the sedimentation box (1), the connecting pipe (3) is arranged at the top of the higher side of the material guide plate (20), and a discharge port (21) is opened on the outer wall of the sedimentation box (1) at the other side of the material guide plate (20), and a sealing plate (22) is provided outside the discharge port (21).

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