Self-adaptive mud scraper for sewage treatment system

Abstract

The utility model discloses a self-adaptive mud scraper for a sewage treatment system, and relates to the technical field of sewage treatment. The sewage treatment device comprises a sedimentation tank, a collection tank communicated with the sedimentation tank is mounted on the outer wall of the sedimentation tank, a cut-in groove is formed in the bottom of the side edge of the joint of the collection tank and the sedimentation tank, a rotating block is arranged in the sedimentation tank, and four mud scraping plates are mounted on the outer side of the rotating block. An angle adjusting assembly is arranged between the rotating block and the mud scraping plate and comprises a driving cavity and an adjusting cavity which are formed in the upper side and the lower side of the interior of the rotating block correspondingly. The rotating rod is driven by the servo motor to rotate, the rotating rotating rod drives the four sludge scraping plates to perform angle adjustment through meshing of the second bevel gear and the two first bevel gears and meshing of the second bevel gear and the two first bevel gears, and automatic adjustment can be performed according to different sludge characteristics and working conditions; the self-adaptive operation of the mud scraper is realized, and the flexibility and applicability of the equipment are enhanced.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and more specifically, to an adaptive sludge scraper for wastewater treatment systems. Background Technology

[0002] Utility model patent application number: CN202322986893.9 discloses a sludge scraper for a sewage sedimentation tank, comprising: a connecting pipe, a movable groove inside the connecting pipe, two support plates fixedly connected to the inner circumferential surface of the movable groove, a telescopic rod fixedly connected to the lower end of a drive motor, two fixing blocks fixedly connected to the outer circumferential surface of the telescopic rod, a connecting plate fixedly connected to one end of the two fixing blocks, a rotating motor fixedly connected to the upper end of the connecting plate, a rotating groove opened at one end of the connecting plate, a rotating rod fixedly connected to the lower end of the rotating motor, and a connecting block fixedly connected to the lower end of the rotating rod. When the drive motor fixedly connected to the upper end of the support plate is energized, the telescopic rod retracts upward under the drive of the drive motor. At the same time, the fixing blocks fixedly connected to both ends of the telescopic rod move upward together under the drive of the drive motor, thereby detaching from the sedimentation tank. The above device prevents corrosion of the materials inside the sewage tank.

[0003] The aforementioned patent utilizes a rotating rod to control the continuous rotation of multiple scrapers inside the sedimentation tank, causing the sludge in the central area to accumulate on the outside of the sedimentation tank. This allows the sludge to enter the collection tank for centralized collection. However, since the angle of the scrapers is fixed, it is difficult to adjust them according to the sludge concentration. When the water flow velocity in the sedimentation tank is high, the scrapers maintain a vertical rotation angle, which can easily generate significant resistance from the water flow, resulting in excessive consumption.

[0004] Therefore, we have made improvements to this by proposing an adaptive sludge scraper for wastewater treatment systems. Utility Model Content

[0005] The purpose of this invention is to address the issue that since the angle of the scraper is fixed, it is difficult to adjust it according to the concentration of sludge. When the water flow velocity in the sedimentation tank is high, the scraper rotates at a vertical angle, which easily generates great resistance to the scraper and causes excessive consumption.

[0006] To achieve the above-mentioned objectives, this utility model provides the following technical solution:

[0007] An adaptive sludge scraper for wastewater treatment systems to improve the above-mentioned problems.

[0008] The application is as follows:

[0009] The system includes a sedimentation tank, an outer wall of which is connected to a collection tank, and a cutting groove is provided at the bottom side of the connection between the collection tank and the sedimentation tank. A rotating block is installed inside the sedimentation tank, and four scraper blades are installed on the outer side of the rotating block. An angle adjustment assembly is provided between the rotating block and the scraper blades. The angle adjustment assembly includes a drive cavity and an adjustment cavity respectively opened on the upper and lower sides inside the rotating block.

[0010] The rotating rod is driven by a servo motor. The rotating rod, through the meshing of the second bevel gear and two first bevel gears with the second bevel gear and two first bevel gears, drives the four scraper blades to adjust their angles. It can automatically adjust according to different sludge characteristics and working conditions, realizing the adaptive operation of the scraper and enhancing the flexibility and applicability of the equipment.

[0011] In a preferred embodiment of the adaptive sludge scraper for a sewage treatment system provided by this utility model, a fixed frame is installed on the top of the sedimentation tank, a hydraulic cylinder is installed on the upper side of the fixed frame, a drive motor is installed at the end of the telescopic shaft of the hydraulic cylinder, and the output shaft of the drive motor is fixedly connected to the top of the rotating block.

[0012] In a preferred embodiment of the adaptive sludge scraper for a sewage treatment system provided by this utility model, a servo motor is installed on the top wall of the drive cavity, and a rotating rod that penetrates into the adjustment cavity is mounted on the output shaft of the servo motor.

[0013] In a preferred embodiment of the adaptive sludge scraper for a sewage treatment system provided by this utility model, a rotating shaft is installed on one side of the four scraper blades, and rotating grooves are opened on all four sides of the inner wall of the adjustment cavity, with the rotating shaft rotatably fitted in the rotating grooves.

[0014] In a preferred embodiment of the adaptive sludge scraper for a sewage treatment system provided by this utility model, two first connecting columns are installed on one side of the rotating shaft, a first bevel gear is installed at one end of the first connecting column, and a second bevel gear is installed on the circumference of the rotating rod, the second bevel gear being located between and meshing with the two first bevel gears.

[0015] In a preferred embodiment of the adaptive sludge scraper for a sewage treatment system provided by this utility model, two second connecting columns are installed on one side of the rotating shaft, one end of the second connecting column is equipped with a first bevel gear, and the circumference of the rotating rod is equipped with a second bevel gear, which is located between and meshes with the two first bevel gears.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: the rotating rod is driven to rotate by a servo motor, and the rotating rod drives the four scraper blades to adjust their angles through the meshing of the second bevel gear and two first bevel gears with the second bevel gear and two first bevel gears. It can automatically adjust according to different sludge characteristics and working conditions, realize the adaptive operation of the scraper, and enhance the flexibility and applicability of the equipment. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the adaptive sludge scraper for a wastewater treatment system provided in this application.

[0018] Figure 2 A schematic diagram of the internal components of the rotating block provided in this application;

[0019] Figure 3 A schematic diagram of the partial structure of the angle adjustment component provided in this application;

[0020] Figure 4 This is a schematic diagram of another part of the angle adjustment component provided in this application;

[0021] Figure 5 A schematic diagram of the scraper blade provided in this application at one angle;

[0022] Figure 6 This is a schematic diagram of the scraper blade provided in this application from another angle.

[0023] The image shows:

[0024] 1. Sedimentation tank; 2. Collection tank; 3. Cutting groove; 4. Fixing frame; 5. Hydraulic cylinder; 6. Drive motor; 7. Rotating block; 8. Sludge scraper; 9. Angle adjustment assembly; 901. Drive chamber; 902. Adjustment chamber; 903. Servo motor; 904. Rotating rod; 905. Rotating shaft; 906. Rotating groove; 907. First connecting column; 908. First bevel gear; 909. Second bevel gear; 910. Second connecting column; 911. First bevel gear; 912. Second bevel gear. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model.

[0026] Therefore, the following detailed description of the embodiments of this utility model is not intended to limit the scope of the claimed utility model, but merely to illustrate some embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0027] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0028] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0029] In the description of this utility model, it should be noted that the terms "upper," "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. These terms are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0030] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0031] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0032] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0033] Example 1

[0034] Please refer to Figure 1-6An adaptive sludge scraper for a wastewater treatment system includes: a sedimentation tank 1, a collection tank 2 connected to the outer wall of the sedimentation tank 1, a cutting groove 3 at the bottom side of the connection between the collection tank 2 and the sedimentation tank 1, a rotating block 7 inside the sedimentation tank 1, four scraper blades 8 mounted on the outer side of the rotating block 7, and an angle adjustment assembly 9 between the rotating block 7 and the scraper blades 8. The angle adjustment assembly 9 includes a drive chamber 901 and an adjustment chamber 902 respectively located on the upper and lower sides inside the rotating block 7. A fixed frame 4 is mounted on the top of the sedimentation tank 1, a hydraulic cylinder 5 is mounted on the upper side of the fixed frame 4, a drive motor 6 is mounted on the end of the telescopic shaft of the hydraulic cylinder 5, and the output shaft of the drive motor 6 is fixedly connected to the top of the rotating block 7. A servo motor 903 is mounted on the top wall of the drive chamber 901, and a rotating rod 904 penetrating into the adjustment chamber 902 is mounted on the output shaft of the servo motor 903. A rotating shaft 905 is installed on one side of each of the four scraper blades 8. Rotating grooves 906 are provided on all four sides of the inner wall of the adjusting cavity 902. The rotating shaft 905 is rotatably fitted in the rotating grooves 906.

[0035] Implementation process: When the sludge concentration in sedimentation tank 1 is high and the texture is hard, the servo motor 903 controls the angle of the scraper 8 to increase it (e.g., Figure 5 As shown), this allows the scraper blade 8 to cut deeper into the sludge layer, improving the scraping effect; when the sludge concentration is low, the texture is soft, or the water flow rate is high, the angle of the scraper blade 8 should be reduced (e.g., ...). Figure 6 As shown in the figure, to reduce water flow resistance and energy consumption, while avoiding excessive scraping damage to the bottom of the tank by the scraper 8, the scraper 8 has a smooth curved shape with an arc-shaped front edge and a gradually narrowing rear edge, which can effectively reduce water flow resistance when moving in the water. At the same time, the bottom surface of the scraper 8 is designed to fit the bottom of the sedimentation tank 1 to increase the contact area with the bottom of the tank and ensure better scraping of the sludge deposited on the bottom of the tank.

[0036] Benefits of implementation: By setting an adjustable angle scraper 8, the scraper can automatically adjust according to different sludge characteristics and working conditions, realizing the adaptive operation of the scraper.

[0037] Example 2

[0038] One side of each of the two opposing rotating shafts 905 is equipped with a first connecting post 907, one end of which is equipped with a first bevel gear 908. A second bevel gear 909 is mounted on the circumference of the rotating rod 904, and is located between and meshes with the two first bevel gears 908. The other side of each of the two opposing rotating shafts 905 is equipped with a second connecting post 910, one end of which is equipped with a first bevel gear 911. A second bevel gear 912 is mounted on the circumference of the rotating rod 904, and is located between and meshes with the two first bevel gears 911.

[0039] Implementation process: The servo motor 903 drives the rotating rod 904 to rotate. The rotating rod 904 drives the four scraper blades 8 to adjust their angles through the meshing of the second bevel gear 909 and two first bevel gears 908 with the second bevel gear 912 and two first bevel gears 911.

[0040] Benefits of implementation: By setting an adjustable angle scraper 8, the scraper can automatically adjust according to different sludge characteristics and working conditions, realizing the adaptive operation of the scraper.

[0041] The above embodiments are only used to illustrate the present utility model and are not intended to limit the technical solutions described in the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, the present utility model is not limited to the specific embodiments described above. Therefore, any modifications or equivalent substitutions to the present utility model, and all technical solutions and improvements that do not depart from the spirit and scope of the utility model, are covered within the scope of the claims of the present utility model.

Claims

1. An adaptive sludge scraper for a wastewater treatment system, characterized in that, include: A sedimentation tank (1) is provided, and a collection tank (2) is installed on the outer wall of the sedimentation tank (1) and connected thereto. A cutting groove (3) is provided on the bottom side of the connection between the collection tank (2) and the sedimentation tank (1). A rotating block (7) is provided inside the sedimentation tank (1). Four scraper blades (8) are installed on the outer side of the rotating block (7). An angle adjustment component (9) is provided between the rotating block (7) and the scraper blades (8). The angle adjustment component (9) includes a drive cavity (901) and an adjustment cavity (902) respectively opened on the upper and lower sides inside the rotating block (7).

2. The adaptive sludge scraper for a wastewater treatment system according to claim 1, characterized in that, The top of the sedimentation tank (1) is equipped with a fixed frame (4), and a hydraulic cylinder (5) is installed on the upper side of the fixed frame (4). A drive motor (6) is installed at the end of the telescopic shaft of the hydraulic cylinder (5), and the output shaft of the drive motor (6) is fixedly connected to the top of the rotating block (7).

3. The adaptive sludge scraper for a wastewater treatment system according to claim 1, characterized in that, A servo motor (903) is installed on the top wall of the drive cavity (901), and the output shaft of the servo motor (903) is equipped with a rotating rod (904) that extends into the adjustment cavity (902).

4. An adaptive sludge scraper for a wastewater treatment system according to claim 3, characterized in that, A rotating shaft (905) is installed on one side of each of the four scraper blades (8), and a rotating groove (906) is provided on all four sides of the inner wall of the adjustment cavity (902). The rotating shaft (905) is rotatably fitted in the rotating groove (906).

5. An adaptive sludge scraper for a wastewater treatment system according to claim 4, characterized in that, Two first connecting posts (907) are installed on one side of the two opposite rotating shafts (905). A first bevel gear (908) is installed at one end of the first connecting post (907). A second bevel gear (909) is installed on the circumference of the rotating rod (904). The second bevel gear (909) is located between the two first bevel gears (908) and meshes with them.

6. An adaptive sludge scraper for a wastewater treatment system according to claim 5, characterized in that, Two other connecting posts (910) are installed on one side of the rotating shaft (905). A first bevel gear (911) is installed at one end of the second connecting post (910). A second bevel gear (912) is installed on the circumference of the rotating rod (904). The second bevel gear (912) is located between the two first bevel gears (911) and meshes with them.

Images