Precipitation device for sewage treatment

Abstract

The utility model discloses a precipitation device for sewage treatment, relates to the technical field of sewage treatment, and aims to solve the problem that floaters and fine suspended particles on the surface of sewage are not easy to precipitate due to the fact that precipitation is accelerated by adopting a stirring mode when the existing sewage is precipitated, so that the sewage is not completely precipitated. A center plate is arranged in the sedimentation tank body, the center plate and the sedimentation tank body are of an integrated structure, a first sedimentation cavity is formed in one side of the center plate, and a second sedimentation cavity is formed in the other side of the center plate; the cleaning plate is arranged in the first precipitation cavity and the second precipitation cavity, cleaning mesh holes are formed in the surface of the cleaning plate, and the cleaning mesh holes penetrate through the cleaning plate; the mounting groove is formed in the center of the center plate, the mounting groove and the center plate are of an integrated structure, an electric push rod is arranged in the mounting groove, and an upper fixing frame is arranged at the upper end of the electric push rod.

Description

Technical Field

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

[0002] Wastewater treatment is the process of purifying wastewater to meet the water quality requirements for discharge into a water body or reuse. During the treatment process, it will go through multiple stages of filtration and purification, including sedimentation to achieve solid-liquid separation;

[0003] For example, the Chinese authorized patent with announcement number CN211521703U (a sedimentation device for sewage treatment): includes a heat insulation layer arranged on the inner side of the sedimentation device casing, the heat insulation layer is connected to the sedimentation device casing by a snap, a heating pipe is installed on the inner side of the heat insulation layer, the heating pipe is connected to the heat insulation layer by a snap, a leak-proof heat-conductive layer is arranged on the inner side of the heating pipe, the leak-proof heat-conductive layer is welded to the sedimentation device casing, a servo motor is installed on the upper end of the sedimentation device casing, the servo motor is connected to the sedimentation device casing by screws, a stirring rod is installed on the lower end of the servo motor, and the stirring rod is connected to the servo motor by a coupling.

[0004] However, when the existing sewage is precipitated, stirring is used to accelerate the sedimentation. The floating objects and fine suspended particles on the surface of the sewage are not easy to settle, resulting in unclean sewage sedimentation. Therefore, it does not meet the existing needs. In this regard, we propose a sedimentation device for sewage treatment. Utility Model Content

[0005] The utility model aims to provide a sedimentation device for sewage treatment, so as to solve the problem in the above-mentioned background technology that when the existing sewage is precipitated, stirring is used to accelerate the sedimentation, and floating objects and fine suspended particles on the surface of the sewage are not easy to settle, resulting in unclean sewage sedimentation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sedimentation device for sewage treatment, comprising: a sedimentation tank body, a center plate is arranged inside the sedimentation tank body, and the center plate and the sedimentation tank body are an integrated structure, a first sedimentation cavity is arranged on one side of the center plate, and a second sedimentation cavity is arranged on the other side of the center plate;

[0007] Also includes:

[0008] A cleaning plate, which is arranged inside the first precipitation chamber and the second precipitation chamber, and the surface of the cleaning plate is provided with cleaning mesh holes, and the cleaning mesh holes penetrate the cleaning plate;

[0009] The mounting groove is arranged in the center of the center plate, and the mounting groove and the center plate are an integrated structure. An electric push rod is arranged in the mounting groove.

[0010] Preferably, an upper fixing frame is provided at the upper end of the electric push rod, connecting frames are welded at both ends of the upper fixing frame, a fixing plate is welded at one end of the connecting frame, a threaded fastener is provided at the upper end of the fixing plate, and the fixing plate is threadedly connected to the cleaning plate through the threaded fastener.

[0011] Preferably, a central solid plate is provided on the lower surface at the center of the cleaning plate, and the central solid plate is welded to the cleaning plate.

[0012] Preferably, a stirring fan is provided at the lower end of the central solid plate, and the center of the stirring fan is threadedly connected to the central solid plate through a hexagonal bolt.

[0013] Preferably, a single-head fastener is provided at the center of the upper end of the upper fixing frame, and the upper fixing frame is threadedly connected to the electric push rod through the single-head fastener.

[0014] Preferably, a push rod fixing plate is provided on the lower surface of the electric push rod, a fixing bolt is provided on the upper end of the push rod fixing plate, and the push rod fixing plate is threadedly connected to the bottom surface of the mounting groove through the fixing bolt.

[0015] Preferably, the front ends of the first sedimentation chamber and the second sedimentation chamber close to the upper end are both provided with drainage outlets, and the front ends of the first sedimentation chamber and the second sedimentation chamber close to the lower end are both provided with sewage outlets.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model provides a cleaning plate inside the first sedimentation chamber and the second sedimentation chamber, and the surface of the cleaning plate is composed of a plurality of cleaning meshes. After the sewage enters the first sedimentation chamber and the second sedimentation chamber, the cleaning plate is used to filter the floating objects and fine suspended particles on the surface of the sewage. The cleaning plate is driven by an electric push rod to move up and down. When it moves upward out of the water surface, the sundries on the surface can be manually cleaned. The cleaning plate continues to move up and down after cleaning, so as to filter the floating objects and fine suspended particles on the surface of the sewage back and forth again. When the cleaning plate moves up and down, the stirring fan is rotated by force, and the sewage is stirred by moving and rotating at the same time, thereby improving the sedimentation effect from two aspects. Compared with a single stirring method, both the mixing effect and the cleaning effect are achieved, thereby improving the efficiency and degree of sewage treatment.

[0018] 2. By setting a mounting groove inside the center plate, the electric push rod is installed inside the mounting groove. The electric push rod is fixed to the bottom surface of the mounting groove by an external fixing bolt of the push rod fixing plate, which facilitates the disassembly and replacement of the electric push rod. The center plate also protects the electric push rod and improves safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the sedimentation tank body of the utility model from a top view;

[0021] Figure 3 This is a schematic diagram of the upper fixing frame structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the top view of the connection structure between the center plate and the electric push rod of the utility model;

[0023] Figure 5 This is a schematic diagram of the cleaning plate of the utility model when viewed from above;

[0024] In the figure: 1. sedimentation tank body; 2. first sedimentation chamber; 3. second sedimentation chamber; 4. center plate; 5. mounting groove; 6. electric push rod; 7. upper fixing frame; 8. connecting frame; 9. drain outlet; 10. sewage outlet; 11. single-head fastener; 12. cleaning plate; 13. cleaning mesh; 14. fixing plate; 15. threaded fastener; 16. push rod fixing plate; 17. fixing bolt; 18. center solid plate; 19. stirring fan; 20. hexagonal bolt. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] See also Figure 1-5 The utility model provides an embodiment: a sedimentation device for sewage treatment, comprising: a sedimentation tank body 1, a central plate 4 is arranged inside the sedimentation tank body 1, and the central plate 4 and the sedimentation tank body 1 are an integrated structure, a first sedimentation chamber 2 is arranged on one side of the central plate 4, and a second sedimentation chamber 3 is arranged on the other side of the central plate 4;

[0027] Also includes:

[0028] A cleaning plate 12 is disposed inside the first precipitation chamber 2 and the second precipitation chamber 3. A cleaning mesh 13 is disposed on the surface of the cleaning plate 12, and the cleaning mesh 13 penetrates the cleaning plate 12;

[0029] The mounting groove 5 is arranged in the center of the center plate 4 , and the mounting groove 5 and the center plate 4 are an integrated structure. An electric push rod 6 is arranged inside the mounting groove 5 .

[0030] The electric push rod 6 drives the cleaning plate 12 to move up and down, and moves upward out of the water surface, so that the debris on the surface can be manually cleaned. After cleaning, the cleaning plate 12 continues to move up and down, so as to filter the floating objects and fine suspended particles on the sewage surface again, thereby improving the sedimentation effect. When the cleaning plate 12 moves up and down, the stirring fan 19 is forced to rotate, and the sewage is stirred by moving and rotating at the same time, thereby improving the sedimentation effect from two aspects.

[0031] See also Figure 2 , 3 An upper fixing frame 7 is provided at the upper end of the electric push rod 6, and connecting frames 8 are welded at both ends of the upper fixing frame 7. A fixing plate 14 is welded at one end of the connecting frame 8. A threaded fastener 15 is provided at the upper end of the fixing plate 14, and the fixing plate 14 is threadedly connected with the cleaning plate 12 through the threaded fastener 15 to realize the connection between the upper fixing frame 7 and the cleaning plate 12. When the upper fixing frame 7 moves up and down, the cleaning plate 12 is driven to move up and down to clean the sewage.

[0032] See also Figure 2 , 5 A central solid plate 18 is provided on the lower surface of the center of the cleaning plate 12 , and the central solid plate 18 is welded to the cleaning plate 12 for connection with the stirring fan 19 .

[0033] See also Figure 5 A stirring fan 19 is provided at the lower end of the central solid plate 18. The center of the stirring fan 19 is threadedly connected to the central solid plate 18 through a hexagonal bolt 20. When the cleaning plate 12 moves up and down, the stirring fan 19 is forced to rotate, and the sewage is stirred by moving and rotating at the same time, thereby improving the sedimentation effect from two aspects together with the cleaning plate 12.

[0034] See also Figure 1 , 2 A single-head fastener 11 is provided at the center of the upper end of the upper fixing frame 7, and the upper fixing frame 7 is threadedly connected to the electric push rod 6 through the single-head fastener 11, so that the upper fixing frame 7 and the electric push rod 6 are fixed, and the upper fixing frame 7 is moved up and down by the electric push rod 6.

[0035] See also Figure 2 , 4 A push rod fixing plate 16 is provided on the lower surface of the electric push rod 6, and a fixing bolt 17 is provided on the upper end of the push rod fixing plate 16. The push rod fixing plate 16 is threadedly connected to the bottom surface of the mounting groove 5 through the fixing bolt 17 to fix the electric push rod 6 for easy disassembly and replacement.

[0036] See also Figure 1 The first sedimentation chamber 2 and the second sedimentation chamber 3 are both provided with a drain port 9 at the front end near the upper end, and the first sedimentation chamber 2 and the second sedimentation chamber 3 are both provided with a sewage outlet 10 at the front end near the lower end. The precipitated water is discharged through the drain port 9, and the sediment deposited at the bottom of the first sedimentation chamber 2 and the second sedimentation chamber 3 is discharged through the sewage outlet 10.

[0037] Working principle: When in use, the fixing plate 14 is threadedly connected to the cleaning plate 12 through the threaded fastener 15, so as to realize the connection between the upper fixing frame 7 and the cleaning plate 12, and the center of the stirring fan 19 is threadedly connected to the central solid plate 18 through the hexagonal bolt 20 to fix the stirring fan 19, and the upper fixing frame 7 is fixed to the electric push rod 6 through the single-head fastener 11. After the sewage enters the first sedimentation chamber 2 and the second sedimentation chamber 3, the cleaning plate 12 is used to filter the floating objects and fine suspended particles on the surface of the sewage. The cleaning plate 12 is driven by the electric push rod 6 to move up and down, and move upward out of the water surface, so that the debris on the surface can be manually cleaned. After cleaning, the cleaning plate 12 continues to move up and down, so as to filter the floating objects and fine suspended particles on the surface of the sewage again, and when the cleaning plate 12 moves up and down, the stirring fan 19 is forced to rotate, and the sewage is stirred by moving and rotating at the same time, thereby improving the sedimentation effect from two aspects.

[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A sedimentation device for sewage treatment, comprising a sedimentation tank body (1), wherein a central plate (4) is arranged inside the sedimentation tank body (1), and the central plate (4) and the sedimentation tank body (1) are an integral structure, a first sedimentation chamber (2) is arranged on one side of the central plate (4), and a second sedimentation chamber (3) is arranged on the other side of the central plate (4); Features: Also includes: A cleaning plate (12) is arranged inside the first precipitation chamber (2) and the second precipitation chamber (3), and a cleaning mesh (13) is arranged on the surface of the cleaning plate (12), and the cleaning mesh (13) penetrates the cleaning plate (12); The mounting groove (5) is arranged in the center of the center plate (4), and the mounting groove (5) and the center plate (4) are an integral structure. An electric push rod (6) is arranged inside the mounting groove (5).

2. A sedimentation device for sewage treatment according to claim 1, characterized in that: An upper fixing frame (7) is provided at the upper end of the electric push rod (6), connecting frames (8) are welded to both ends of the upper fixing frame (7), a fixing plate (14) is welded to one end of the connecting frame (8), a threaded fastener (15) is provided at the upper end of the fixing plate (14), and the fixing plate (14) is threadedly connected to the cleaning plate (12) via the threaded fastener (15).

3. A sedimentation device for sewage treatment according to claim 1, characterized in that: A central solid plate (18) is provided on the lower surface at the center of the cleaning plate (12), and the central solid plate (18) is welded to the cleaning plate (12).

4. A sedimentation device for sewage treatment according to claim 3, characterized in that: A stirring fan (19) is provided at the lower end of the central solid plate (18), and the center of the stirring fan (19) is threadedly connected to the central solid plate (18) via a hexagonal bolt (20).

5. A sedimentation device for sewage treatment according to claim 2, characterized in that: A single-head fastener (11) is provided at the center of the upper end of the upper fixing frame (7), and the upper fixing frame (7) is threadedly connected to the electric push rod (6) via the single-head fastener (11).

6. A sedimentation device for sewage treatment according to claim 1, characterized in that: A push rod fixing plate (16) is provided on the lower surface of the electric push rod (6), a fixing bolt (17) is provided on the upper end of the push rod fixing plate (16), and the push rod fixing plate (16) is threadedly connected to the bottom surface of the mounting groove (5) via the fixing bolt (17).

7. A sedimentation device for sewage treatment according to claim 1, characterized in that: The front ends of the first sedimentation chamber (2) and the second sedimentation chamber (3) close to the upper end are both provided with a drainage outlet (9), and the front ends of the first sedimentation chamber (2) and the second sedimentation chamber (3) close to the lower end are both provided with a sewage outlet (10).

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