Urban domestic sewage treatment device

Abstract

The utility model discloses an urban domestic sewage treatment device which comprises a settling pond for settling urban domestic sewage, a pair of supporting pads connected to the inner side wall of the settling pond, a mounting plate connected to the tops of the pair of supporting pads, a gear motor mounted at the top of the mounting plate, and a rotating rod connected to an output shaft of the gear motor, cleaning devices are connected to the surfaces of the rotating rods; by adopting the rotating mechanism with the cleaning brush and the movable frame, solid wastes and sludge in the sedimentation tank can be effectively cleaned. The design of a spiral groove cylindrical cam enables a cleaning brush to perform reciprocating motion, and the cleaning brush can drive a first gear to be engaged with a rack through a first servo motor, so that a hollow box body can slide along with a linear guide rail, the cleaning brush can move in a square frame, the cleaning coverage is increased, and the cleaning efficiency is improved. And thorough cleaning of the inner wall of the sedimentation tank is ensured.

Description

Technical Field

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

[0002] Urban sewage treatment is a crucial component of modern urban environmental management, primarily aimed at reducing the environmental impact of sewage and increasing the reuse rate of water resources. Traditional sewage treatment facilities typically include sedimentation tanks, which remove suspended solids from sewage through physical settling.

[0003] However, over time, traditional sedimentation tanks tend to accumulate sludge and solid waste at their bottoms, reducing treatment efficiency and increasing the difficulty and cost of cleaning and maintenance. Existing cleaning methods, which often rely on manual labor, are inefficient and fail to achieve ideal cleaning results. Furthermore, since most sedimentation tanks have irregular bottom shapes, typically with conical sludge hoppers, traditional cleaning equipment is unsuitable for these conical sludge hoppers, resulting in incomplete and incomplete cleaning. Utility Model Content

[0004] In response to the above problems, the utility model provides a town domestic sewage treatment device, which effectively solves the problems of low efficiency of manual cleaning of sedimentation tanks and inadequate and incomplete cleaning caused by the inability of traditional cleaning devices to adapt to sedimentation tanks with conical sludge hoppers.

[0005] The utility model adopts the following technical solution: a town domestic sewage treatment device, comprising a sedimentation tank for settling town domestic sewage, a pair of support pads connected to the inner side wall of the sedimentation tank, a mounting plate connected to the top of the pair of support pads, a reduction motor installed on the top of the mounting plate, a rotating rod connected to the output shaft of the reduction motor, and a cleaning device connected to the surface of the rotating rod;

[0006] The cleaning device includes a square frame, the side walls of the square frame are connected to the surface of the rotating rod, and linear guides are installed on both side walls of the square frame. A hollow box is connected between the two linear guides, a first servo motor is installed on one side of the hollow box, one end of the first servo motor is connected to a first gear, a rack is installed on the inner side wall of the square frame, and the rack is meshed with the first gear, and two bearing seats are installed on the inner side wall of the hollow box, a spiral groove cylindrical cam is rotatably connected between the two bearing seats through a rotating shaft, a sliding block is slidably connected in the spiral groove of the spiral groove cylindrical cam, a connecting rod is connected to one side of the sliding block, and a cleaning brush is connected to one end of the connecting rod, and one end of the rotating shaft of the spiral groove cylindrical cam is connected to the second gear, a second servo motor is installed on the outside of the hollow box, a third gear is connected to the top of the second servo motor, and the third gear is meshed with the second gear.

[0007] Further, the sedimentation tank comprises a ring wall body, a conical sludge hopper is connected to the bottom of the ring wall body, and a blowdown hole is arranged in the bottom of the conical sludge hopper.

[0008] Further, a ring groove is arranged in the inner side wall of the ring wall body, and a sliding wheel matched with the ring groove is rotatably connected to one side of the square frame.

[0009] Further, a fixed block for sliding of the connecting rod is connected to the bottom of the inner wall of the hollow box body.

[0010] Further, a valve for controlling opening of the blowdown hole is arranged at the blowdown hole.

[0011] The utility model discloses a cleaning device for a sedimentation tank, which comprises a square frame, a hollow box body, a first servo motor, a first gear, a rack, a bearing seat, a spiral groove cylindrical cam, a sliding block, a connecting rod and a cleaning brush. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a structural schematic diagram of the utility model;

[0013] Fig. 2 It is a cleaning device structural schematic diagram of the utility model;

[0014] Fig. 3 It is a cleaning device structural schematic diagram of the utility model.

[0015] In the drawing, 1 is a sedimentation tank, 2 is a supporting pad, 3 is a mounting plate, 4 is a speed reducer motor, 5 is a rotating rod, 6 is a cleaning device, 601 is a square frame, 602 is a linear guide rail, 603 is a hollow box body, 604 is a first servo motor, 605 is a first gear, 606 is a rack, 607 is a bearing seat, 608 is a spiral groove cylindrical cam, 609 is a sliding block, 610 is a connecting rod, 611 is a cleaning brush, 612 is a second gear, 613 is a second servo motor, 614 is a third gear, 11 is a ring wall body, 12 is a conical sludge hopper, 13 is a blowdown hole, 7 is a ring groove, 8 is a sliding wheel, and 9 is a fixed block. DETAILED DESCRIPTION

[0016] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0017] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0018] Referring to Figs. 1-3 As shown in the drawings, a kind of urban domestic sewage treatment device, including the sedimentation tank 1 for precipitating urban domestic sewage, one pair of support pad 2 is connected to the inner side wall of sedimentation tank 1, one pair of support pad 2 top is connected with mounting plate 3, mounting plate 3 top is installed with speed reducer 4, speed reducer 4 output shaft is connected with rotating rod 5, rotating rod 5 surface is connected with cleaning device 6;

[0019] Cleaning device 6 includes square frame 601, square frame 601 side wall is connected with the surface of rotating rod 5, two side walls in square frame 601 are all installed with straight line guide rail 602, two straight line guide rails 602 are connected with hollow box 603, first servo motor 604 is installed on one side of hollow box 603, first servo motor 604 one end is connected with first gear 605, rack 606 is installed on the inner side wall of square frame 601, rack 606 is connected with first gear 605, two bearing seats 607 are installed on the inner side wall of hollow box 603, two bearing seats 607 are rotatably connected with helical groove cylindrical cam 608 through shaft, helical groove cylindrical cam 608 helical groove is slidably connected with sliding block 609, one side of sliding block 609 is connected with connecting rod 610, one end of connecting rod 610 is connected with cleaning brush 611, one end of the shaft of helical groove cylindrical cam 608 is connected with second gear 612, second servo motor 613 is installed outside hollow box 603, third gear 614 is connected to the top of second servo motor 613, third gear 614 is connected with second gear 612.

[0020] The sedimentation tank 1 comprises a ring wall 11, the bottom of the ring wall 11 is connected with a conical sludge hopper 12, the bottom of the conical sludge hopper 12 is provided with a sludge discharge hole 13, so that the heavier solid waste can be naturally deposited into the conical sludge hopper 12 by gravity, and is periodically discharged through the sludge discharge hole 13 at the bottom

[0021] The inner side wall of the ring wall 11 is provided with a ring groove 7, and the side of the square frame 601 is rotatably connected with a sliding wheel 8 matched with the ring groove 7, so that the cleaning device 6 can move more stably on the inner side wall of the sedimentation tank.

[0022] The inner wall of the hollow box body 603 is connected with a fixed block 9 for sliding of the connecting rod 610, so as to provide stable support for sliding of the connecting rod 610.

[0023] A valve for controlling opening of the sludge discharge hole 13 is installed at the sludge discharge hole 13, so as to allow an operator to control the discharging time of the sludge.

[0024] Working principle: when the municipal domestic sewage passes through the sedimentation tank 1, the heavier solid waste is deposited into the conical sludge hopper 12 due to gravity. Through a set time period, the accumulated sludge is discharged by using automatic or manual control to open the sludge discharge hole 13, and then the sedimentation tank 1 is cleaned. After the reduction motor 4 is started, the rotating rod 5 and the square frame 601 are driven through the output shaft of the reduction motor 4, so as to realize rotation of the whole cleaning device 6. The first servo motor 604 is started to drive the first gear 605 to mesh with the rack 606, so that the hollow box body 603 can slide along the linear guide rail 602. The hollow box body 603 can move in the square frame 601. The second servo motor 613 is started to drive the third gear 614 to mesh with the second gear 612, so as to drive the second gear 612 to rotate, thereby driving the helical groove cylindrical cam 608 to rotate. When the helical groove cylindrical cam 608 rotates, the sliding block 609 sliding with the helical groove of the helical groove cylindrical cam 608 makes reciprocating motion, thereby driving the connecting rod 610 and the cleaning brush 611 to make reciprocating motion, so that the cleaning brush 611 can cover each part of the conical sludge hopper 12 of the sedimentation tank 1, and effectively remove the dirt and residual solid substances attached to the sedimentation tank 1.

[0025] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0026] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A device for treating municipal sewage, comprising a sedimentation tank (1) for sedimentation of municipal sewage, characterized in that: The inside wall of the sedimentation tank (1) is connected with a pair of supporting pads (2), the top of the pair of supporting pads (2) is connected with a mounting plate (3), the top of the mounting plate (3) is installed with a speed reducer motor (4), the output shaft of the speed reducer motor (4) is connected with a rotating rod (5), the surface of the rotating rod (5) is connected with a cleaning device (6); The cleaning device (6) comprises a square frame (601), the side wall of the square frame (601) is connected with the surface of the rotating rod (5), the inside wall of the square frame (601) is installed with a linear guide rail (602) on both sides, a hollow box (603) is connected between the two linear guide rails (602), a first servo motor (604) is installed on one side of the hollow box (603), a first gear (605) is connected at one end of the first servo motor (604), a rack (606) is installed on the inside wall of the square frame (601), the rack (606) is connected in meshing with the first gear (605), two bearing seats (607) are installed on the inside wall of the hollow box (603), a spiral groove cylindrical cam (608) is rotatably connected between the two bearing seats (607) through a rotating shaft, a sliding block (609) is slidably connected in the spiral groove of the spiral groove cylindrical cam (608), a connecting rod (610) is connected at one side of the sliding block (609), a cleaning brush (611) is connected at one end of the connecting rod (610), a second gear (612) is connected at one end of the rotating shaft of the spiral groove cylindrical cam (608), a second servo motor (613) is installed outside the hollow box (603), a third gear (614) is connected at the top of the second servo motor (613), the third gear (614) is connected in meshing with the second gear (612).

2. The device for treating municipal domestic sewage according to claim 1, characterized in that: The sedimentation tank (1) comprises an annular wall (11), the bottom of the annular wall (11) is connected with a conical sludge hopper (12), and a blowdown hole (13) is formed in the bottom of the conical sludge hopper (12).

3. The device for treating municipal domestic sewage according to claim 2, characterized in that: An annular groove (7) is formed in the inside wall of the annular wall (11), and a sliding wheel (8) matched with the annular groove (7) is rotatably connected at one side of the square frame (601).

4. The device for treating municipal domestic sewage according to claim 3, characterized in that: A fixed block (9) for sliding of the connecting rod (610) is connected to the inner wall of the hollow box (603).

5. A device for treating municipal sewage water according to claim 4, characterized in that: A valve for controlling the opening of the blowdown hole (13) is installed at the blowdown hole (13).

Images