Waterworks sewage treatment and recycling dosing device

Abstract

The application discloses a sewage treatment and recycling dosing device for a waterworks, and relates to the technical field of sewage treatment. The sewage treatment and recycling dosing device comprises a sewage pool, a sewage inlet pipe is installed at one end of the outer side of the sewage pool, a partition plate is installed between the inner sides of the sewage pool, the partition plate divides the sewage pool into two impurity removal areas and one dosing cavity, a water outlet pipe is installed on one side of the partition plate and located in the dosing cavity, a sewage discharge structure is arranged on the inner side of the sewage pool and used for discharging sewage, and an impurity removal structure is arranged in the impurity removal area and used for removing impurities in the sewage in the impurity removal area. The impurity removal structure can timely remove floating objects and precipitates, can reduce the harm of the impurities to water quality, improves the quality of treated water, makes the treated water closer to the drinking water standard, reduces the damage of equipment, and effectively performs subsequent water treatment after removing a large amount of visible impurities, so that the efficiency of the whole water treatment system is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sewage treatment, in particular to a waterworks sewage treatment and reuse dosing device. BACKGROUND

[0002] Tap water is drinking water produced by professional equipment through a complex process and then delivered to users. Currently, there are two sources of tap water: one is to extract groundwater by drilling, and the other is to take surface water from reservoirs, rivers and lakes. Tap water refers to water that meets the corresponding standards for people's life and production after being purified and disinfected by a water treatment plant. Domestic water is mainly taken from rivers, lakes and underground water by water intake pump stations of water plants. Both underground water and surface water need to go through multiple processes such as sedimentation, decontamination and disinfection after entering the waterworks. Sewage treatment in waterworks is a process of cleaning and treating water containing waste water, sewage and other pollutants. Harmful pollutants and microorganisms are removed from sewage by adding heavy metal capture agents, flocculants and lime powder, so as to minimize the impact of sewage on the environment.

[0003] For example, a movable flocculant dosing flocculation sedimentation tank disclosed in patent No. CN219730642U installs a storage tank on a moving frame. When the flocculant is dosed, the moving frame is driven to move along the top of the tank body to uniformly dose the flocculant into the tank. During the movement, the stirring assembly is simultaneously driven to rotate to stir the sewage in the tank, so that the dosed flocculant fully contacts with the sewage, adapts to the flocculant dosing work of large-volume flocculation sedimentation tanks, and improves the efficiency of the flocculant fully contacting with the sewage.

[0004] Although the above-mentioned device can stir the sewage in the tank by the rotation of the stirring assembly to make the dosed flocculant fully contact with the sewage, and adapt to the flocculant dosing work of large-volume flocculation sedimentation tanks, the sewage in the general sewage tank contains other floating impurities. If the floating impurities cannot be salvaged or treated, the treatment of the sewage will be affected. SUMMARY

[0005] The present application aims to provide a waterworks sewage treatment and reuse dosing device to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solution: a waterworks sewage treatment and reuse dosing device, comprising a sewage tank, an inlet pipe is installed on one end of the outer side of the sewage tank, and a partition plate is installed between the inner sides of the sewage tank. The partition plate divides the sewage tank into two impurity removal zones and one dosing chamber. An outlet pipe is installed on one side of the partition plate and located in the dosing chamber.

[0007] The sewage discharge structure is arranged inside the sewage pool and used for discharging sewage.

[0008] The impurity removal structure is arranged in the impurity removal area and used for removing impurities in the sewage in the impurity removal area.

[0009] The moving structure is arranged outside both ends of the sewage pool and used for moving the dosing structure to dose sewage in different areas.

[0010] The dosing structure is arranged at the top end of the moving structure and used for dosing the dosing cavity in the sewage pool to treat sewage in the dosing cavity.

[0011] As a specific solution of the technical scheme, the sewage discharge structure comprises an isolation plate arranged between the inside of the sewage pool, and a moving slot is arranged at the top end and both sides of the isolation plate, a sewage discharge gate is movably arranged in the moving slot, a threaded hole is arranged at the center of the sewage discharge gate, and a threaded rod is threadedly connected in the threaded hole.

[0012] As a specific solution of the technical scheme, a support frame is arranged at the top end of the sewage pool and located above the isolation plate, a motor is arranged at the top end of the support frame, the output end of the motor is connected with the top end of the threaded rod, the isolation plate is connected at the center of the isolation plate, and the isolation plate is in a T-shaped structure.

[0013] As a specific solution of the technical scheme, the impurity removal structure comprises an impurity removal frame arranged in the impurity removal area, a conveying belt movably arranged in the impurity removal frame, and a impurity receiving box movably arranged at the top end of the sewage pool and located below the top end of the impurity removal frame and used for receiving impurities in the sewage.

[0014] As a specific solution of the technical scheme, the moving structure comprises a fixed frame connected with both side outer walls of the sewage pool, a lead screw and a guide rod arranged between the fixed frames, a sliding slot arranged at the bottom end of the fixed frame, and a sliding block slidably arranged in the sliding slot.

[0015] As a specific solution of the technical scheme, the lead screw and the guide rod are movably provided with a moving block connected with the sliding block, a support plate arranged at the top end of the moving block, a fixed plate arranged at the top end of the support plate, and a through hole arranged at the center of the fixed plate.

[0016] As a specific solution of the technical scheme, the fixed plate is symmetrically provided with a sliding rail at the top end, and a sliding block is slidably arranged between the outside of the sliding rail.

[0017] As a specific scheme of the technical scheme of the present application, the dosing structure comprises a dosing barrel, the dosing barrel is connected with the sliding block, a top cover is movably arranged at the top end of the dosing barrel, two feed hoppers are arranged at the top end of the top cover, two rotating holes are respectively arranged at the bottom cylindrical part of the feed hoppers, and a material blocking plate and a material discharging plate are rotatably arranged in the rotating holes.

[0018] As a specific scheme of the technical scheme of the present application, the dosing structure comprises a dosing barrel, the dosing barrel is connected with the sliding block, a top cover is movably arranged at the top end of the dosing barrel, two feed hoppers are arranged at the top end of the top cover, two rotating holes are respectively arranged at the bottom cylindrical part of the feed hoppers, and a material blocking plate and a material discharging plate are rotatably arranged in the rotating holes.

[0019] As a specific scheme of the technical scheme of the present application, the dosing structure comprises a dosing barrel, the dosing barrel is connected with the sliding block, a top cover is movably arranged at the top end of the dosing barrel, two feed hoppers are arranged at the top end of the top cover, two rotating holes are respectively arranged at the bottom cylindrical part of the feed hoppers, and a material blocking plate and a material discharging plate are rotatably arranged in the rotating holes.

[0020] Compared with the prior art, the present application has the following beneficial effects:

[0021] The tap water plant sewage treatment and recycling dosing device can timely remove floating matter and precipitate, can reduce the harm of these impurities to water quality, thereby improving the quality of treated water, making it closer to the drinking water standard, and reducing the damage of equipment, and after removing a large amount of visible impurities, subsequent water treatment can be more effectively carried out, which helps to improve the efficiency of the entire water treatment system. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a whole shaft side schematic view of the present application;

[0023] Figure 2 It is a whole left side schematic view of the present application;

[0024] Figure 3 It is a sewage discharge structure and impurity removal structure cross-sectional structure schematic view of the present application;

[0025] Figure 4 It is a sewage discharge structure schematic view of the present application;

[0026] Figure 5 It is a moving structure schematic view of the present application;

[0027] Figure 6 A schematic view of the administration structure of the present application is shown in FIG. 1.

[0028] Figure 7 A schematic view of the cleaning plate structure of the present application is shown in FIG. 4. Figure 6 An enlarged schematic view of A in FIG. 1.

[0029] Figure 8 A schematic view of the cleaning plate structure of the present application is shown in FIG. 4.

[0030] In the figure: 1, sewage tank; 101, sewage inlet pipe; 102, partition; 103, water outlet pipe; 2, sewage discharge structure; 201, isolation plate; 202, sewage discharge gate; 203, support frame; 204, threaded rod; 205, motor; 206, moving groove; 3, impurity removal structure; 301, impurity removal frame; 302, conveying belt; 303, impurity receiving box; 4, moving structure; 401, fixed frame; 402, sliding groove; 403, sliding block; 404, lead screw; 405, moving block; 406, support plate; 407, fixed plate; 408, sliding rail; 409, sliding block; 410, through hole; 411, guide rod; 5, administration structure; 501, administration barrel; 502, top cover; 503, feed hopper; 504, mounting plate; 506, rotating hole; 507, material blocking plate; 508, material outlet plate; 509, bidirectional screw rod; 510, rotating rod; 511, fixed ring; 512, blocking ring; 513, hinged seat; 514, fixed block; 515, electric telescopic rod; 516, cleaning plate; 517, administration pipe. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0032] It should be noted that, in the description of the present application, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0033] In addition, it should be understood that, for the convenience of description, the sizes of the various components shown in the drawings are not drawn in accordance with the actual proportional relationship, for example, the thickness or width of certain layers can be exaggerated relative to other layers.

[0034] It should be noted that like reference numerals and characters refer to like items throughout the drawings, and once an item is defined or described in one drawing, it is not necessary that it be further concretely discussed and described in further detail in the description of the subsequent drawings.

[0035] To solve the technical problems proposed in the background art, the present application proposes a sewage treatment and recycling dosing device for waterworks, specifically, the sewage treatment and recycling device comprises a sewage pool 1, as shown in Figure 1 and Figure 2 The sewage pool 1 is provided with an inlet pipe 101 at one end of the outer side, and a partition plate 102 is installed between the inner side of the sewage pool 1, which divides the sewage pool 1 into two impurity removal areas and one dosing chamber. The partition plate 102 is provided with an outlet pipe 103 on one side, and the outlet pipe 103 is located in the dosing chamber. A sewage discharge structure 2 is arranged on the inner side of the sewage pool 1, which is used for discharging sewage. An impurity removal structure 3 is arranged in the impurity removal area, which is used for removing impurities in the sewage in the impurity removal area. The sewage discharge structure 2 comprises a partition plate 201 arranged between the inner side of the sewage pool 1, and the top end and both sides of the partition plate 201 are provided with moving grooves 206. A sewage discharge gate 202 is movably arranged in the moving grooves 206, and a threaded hole is formed in the center of the sewage discharge gate 202. A threaded rod 204 is threadedly connected in the threaded hole. A support frame 203 is arranged at the top end of the sewage pool 1, and the support frame 203 is located above the partition plate 201. A motor 205 is arranged at the top end of the support frame 203, and the output end of the motor 205 is connected with the top end of the threaded rod 204. The partition plate 102 is connected with the center of the partition plate 201, and the partition plate 201 is in T-shaped structure. The impurity removal structure 3 comprises an impurity removal frame 301 located in the impurity removal area, and a conveying belt 302 is movably arranged in the impurity removal frame 301. An impurity receiving box 303 is movably arranged at the top end of the sewage pool 1, and the impurity receiving box 303 is located below the top end of the impurity removal frame 301, which is used for receiving impurities in the sewage.

[0036] In use, the sewage to be treated is conveyed into the sewage pool 1 through the inlet pipe 101, and the sewage is blocked by the sewage discharge structure 2 arranged, so that the sewage cannot directly enter the impurity removal area in the sewage pool 1. When the sewage needs to be treated, the threaded rod 204 is driven to rotate by the motor 205, and the sewage discharge gate 202 is driven to rise by the threaded rod 205. The rising sewage discharge gate 202 flows into the sewage removal area, and then the floating or precipitated matters in the sewage in the sewage removal area are conveyed into the impurity receiving box 303 by the conveying belt 302. Then the cleaned sewage in the sewage removal area is discharged into the dosing chamber in the sewage pool 1 through the outlet pipe 103.

[0037] It needs to be clear that in the embodiments of the present application, the sewage tank 1 can be a sewage tank 1 with sewage treatment for any sewage, and the inlet pipe 101 can transport any sewage. The sewage tank 1 is not only limited to the application scenario of the waterworks that needs to be treated, but also can be used in other fields that need to be treated, such as the chemical field, the textile field, or the biopharmaceutical field, etc.

[0038] In the embodiments of the present application, the shape and structure of the sewage tank 1 are not limited, for example, the sewage tank 1 can be square or circular, or rectangular as shown in Figure 1 and Figure 2 The sewage discharge structure 2 and the impurity removal structure 3 can also be set according to the shape and structure of the sewage tank 1.

[0039] It needs to be clear that in the embodiments of the present application, the number of sewage discharge gates 202 is not limited, and it is easy to understand that the more the number of sewage discharge gates 202, the slower the sewage enters the sewage removal area. In actual use, it can be set according to the sewage treatment demand. In an embodiment of the present application, only two sewage discharge gates 202 can be set, for example, as shown in Figure 1 and Figure 2 In the embodiments of the present application, the sewage discharge gate 202 is driven by the motor 205 to rotate the threaded rod 204, and the sewage discharge gate 202 is lifted to flow into the sewage removal area. In another embodiment of the present application, as long as the sewage discharge gate 202 can be lifted, for example, a slide rail and a slide block, a chain and a chain wheel, etc.

[0040] It needs to be clear that in the embodiments of the present application, the number of impurity removal structures 3 is also not limited, and it is easy to understand that the more the number of conveying belts 302, the better the floating and sediment in the sewage are cleaned. In actual use, it can be set according to the floating and sediment in the sewage. In an embodiment of the present application, only one set of impurity removal frame 301 and conveying belt 302 can be set, for example, as shown in Figures 1-3As shown; in the embodiment of the present application, the conveying belt 302 is arranged between the inner walls of the impurity removal frame 301, and the conveying belt 302 is driven to rotate by an external motor, and the impurity removal frame 301 is provided with an impurity removal opening near the bottom side of the top end, and the impurity removal opening is located above the impurity receiving box 303, so as to facilitate the conveying of the floating matter or the sediment in the conveying belt 302 to the impurity receiving box 303. In the embodiment of the present application, it needs to be clear that in the embodiment of the present application, the surface of the conveying belt 302 is provided with a slope plate, and the slope plate is used to facilitate the conveying of the floating matter and the sediment in the sewage. It needs to be clear that in an embodiment of the present application, the isolation plate 201 is provided with a water outlet pipe 103, one end of the water outlet pipe 103 is located in the sewage removal area, and the other end is located in the dosing chamber, and the water outlet pipe 103 on the sewage removal area and the dosing chamber is provided with an electromagnetic valve, which can control the flow of the sewage removal area to the dosing chamber. The electromagnetic valve of the water outlet pipe 103 in the dosing chamber can block the sewage in the sewage removal area from flowing into the dosing chamber.

[0041] As can be known from the foregoing, it needs to be clear that if the sewage in the sewage removal area enters the dosing area through the water outlet pipe 103, then the moving structure 4 and the dosing structure 5 need to cooperate with each other to put the sewage treatment agent into the sewage in the dosing chamber, so as to purify and treat the sewage. In the embodiment of the present application, the moving structure 4 comprises a fixed frame 401 connected to the outer walls on both sides of the sewage pool 1, a lead screw 404 and a guide rod 411 are arranged between the fixed frame 401, and a sliding groove 402 is formed at the bottom end of the fixed frame 401, a sliding block 403 is slidably arranged in the sliding groove 402, a moving block 405 is movably arranged on the outer walls of the lead screw 404 and the guide rod 411, the moving block 405 is connected to the sliding block 403, a support plate 406 is installed at the top end of the moving block 405, a fixed plate 407 is installed at the top end of the support plate 406, a through hole 410 is formed at the center position of the fixed plate 407, a sliding rail 408 is symmetrically installed at the top end of the fixed plate 407, a sliding block 409 is slidably arranged between the outer sides of the sliding rail 408. In the embodiment of the present application, the moving structure 4 is driven to rotate by the motor 205, and the moving block 405 moves at the same time because the moving block 405 is threadedly connected to the outer wall of the lead screw 404, and the sliding block 403 moves in the sliding groove 402, and because the support plate 406 is installed at the top end of the moving block 405, and the fixed plate 407 is installed at the top end of the support plate 406, a linear reciprocating motion is formed. In another embodiment of the present application, it can be any linear reciprocating motion structure, for example: an electric sliding rail and an electric sliding block, a linear optical axis, a gas cylinder and a telescopic rod, etc.

[0042] It needs to be clear that the administration structure 5 in the embodiment of the application can administer the sewage in the administration cavity. In use, the required medicament is first placed in the feed hopper 503. Two feed hoppers 503 are arranged on the administration barrel 501 in the embodiment of the application. It needs to be clear that the number of the feed hoppers 503 is not specifically shown and can be multiple. In actual use, the number of the feed hoppers 503 can be set according to the requirements. It is easy to understand that the more the number of the feed hoppers 503 is, the more medicaments can be put according to different sewage treatment requirements. In an embodiment of the application, only two feed hoppers 503 can be arranged, for example, Figure 6 The multiple feed hoppers 503 can put medicaments according to the sewage treatment requirements.

[0043] In the embodiment of the application, the feed hopper 503 is limited by the blocking plate 507 and the discharge plate 508. The discharge plate 508 is located in the administration barrel 501. The blocking plate 507 and the discharge plate 508 are rotated by the bidirectional screw rod 509. The medicaments are put into the administration barrel 501. It needs to be clear that the directions of the blocking plate 507 and the discharge plate 508 are opposite when they rotate. For example, when the blocking plate 507 is opened, the discharge plate 508 is in a closed state. Conversely, when the discharge plate 508 is opened, the blocking plate 507 is closed. In order to better quantitatively put medicaments into the administration barrel 501, the medicaments in the embodiment of the application are any medicaments that can treat sewage and belong to the prior art. Therefore, they will not be described one by one in the application.

[0044] It needs to be clear that in the embodiment of the application, when the medicaments enter the administration barrel 501 through the feed hopper 503, the rotating rod 510 is arranged at the center position of the inner wall of the top cover 502. The blocking ring 512 and the fixed ring 511 are fixedly connected to the outer wall of the rotating rod 510. The outer wall of the rotating rod 510 is provided with threads. The threads are located below the blocking ring 512. The blocking ring 512 is located at the center of the length of the rotating rod 510. The threaded ring is threadedly connected to the threaded ring. The hinge seats 513 are mounted on the outer walls of the threaded ring and the fixed ring 511. The connecting rods are hingedly connected between the inner walls of the hinge seats 513. The mounting rods are hingedly connected to the other ends of the connecting rods. The fixed blocks 514 are fixedly connected between the mounting rods. The electric telescopic rods 515 are mounted on the outer walls of the fixed blocks 514. The cleaning plates 516 are mounted on the telescopic ends of the electric telescopic rods 515. The cleaning plates 516 are matched with the inner walls of the administration barrel 501. The administration pipes 517 are arranged at the bottom ends of the administration barrel 501 and located in the through holes 410.

[0045] In use, as Figures 6-8As shown, the motor 205 drives the rotating rod 510 to rotate. The rotating rod 510 is provided with a thread at the center to the bottom position, and the thread is threadedly connected with a thread ring. The thread ring and the fixed ring 511 are both provided with a hinged seat 513. The rotating rod 510 rotates to move the thread ring up and down, so as to move the connecting rod hinged to the hinged seat 513 up and down, thereby folding and unfolding the cleaning plate 516 connected by the mounting rod. In another embodiment of the present application, the hinged state of the hinged seat 513 and the connecting rod is not limited. The hinged seat 513 and the connecting rod can also be connected by a fixed pin, as long as the connecting rod can move up and down on the hinged seat 513 with the rotating rod 510 as the axis. It should be further understood that the cleaning plate 516 can also be rotated by the rotating rod 510 to fully mix the water and the medicament in the dosing barrel 501, and then discharge the mixed medicament into the sewage in the dosing chamber through the dosing pipe 517, and clean other substances in the sewage. In the embodiment of the present application, the dosing pipe 517 is also provided with an electromagnetic valve. In the embodiment of the present application, the electromagnetic valve is a prior art, which will not be described here.

[0046] It should be clear that in the embodiment of the present application, the motor 205 is connected with the power supply of the external device, and the entire device is connected with the control system of the external device. The control system is a sewage treatment central control system. In the embodiment of the present application, the sewage treatment central control system is a prior art, which will not be described here.

[0047] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A dosing device for wastewater treatment and reuse in a waterworks, comprising a wastewater tank (1), characterized in that: The sewage tank (1) is equipped with an inlet pipe (101) on one side and a partition (102) is installed between the inner sides of the sewage tank (1). The partition (102) divides the sewage tank (1) into two impurity removal areas and a dosing chamber. An outlet pipe (103) is installed on one side of the partition (102). The outlet pipe (103) is located in the dosing chamber. The sewage discharge structure (2) is set inside the sewage tank (1) for discharging sewage. The impurity removal structure (3) is set in the impurity removal area for removing impurities from the sewage in the impurity removal area. The moving structure (4) is set on both sides of the sewage tank (1) for moving the dosing structure (5) to dosing the sewage in different areas. The dosing structure (5) is set at the top of the moving structure (4) for dosing the dosing chamber in the sewage tank (1) to treat the sewage in the dosing chamber of the sewage tank (1). The impurity removal structure (3) includes an impurity removal frame (301), which is located in the impurity removal area. A conveyor belt (302) is movably installed inside the impurity removal frame (301), and a waste collection box (303) is movably installed at the top of the sewage tank (1). The waste collection box (303) is located below the top of the impurity removal frame (301) and is used to receive impurities in the sewage. The movable structure (4) includes a fixed frame (401), which is connected to the outer walls of both sides of the sewage tank (1). A screw rod (404) and a guide rod (411) are respectively provided between the fixed frames (401). A sliding groove (402) is opened at the bottom of the fixed frame (401). A slider (403) is slidably arranged in the sliding groove (402). A moving block (405) is movably arranged on the outer wall of both the screw rod (404) and the guide rod (411). The moving block (405) is connected to the slider (403). A support plate (406) is installed at the top of the moving block (405). A fixed plate (407) is installed at the top of the support plate (406). A through hole (410) is opened at the center of the fixed plate (407). A slide rail (408) is symmetrically installed at the top of the fixed plate (407). A sliding block (409) is slidably arranged between the outer sides of the slide rail (408). The dosing structure (5) includes a dosing tank (501), which is connected to the sliding block (409). A top cover (502) is movably provided on the top of the dosing tank (501), and two feeding hoppers (503) are provided on the top of the top cover (502). Two rotating holes (506) are respectively opened at the bottom cylindrical part of the feeding hoppers (503). A baffle plate (507) and a discharge plate (508) are rotatably provided in the rotating holes (506). The discharge plate (508) is located below the baffle plate (507) and is located inside the dosing tank (501). An installation plate (504) is installed on the top of the dosing tank (501). A two-way screw (509) is rotatably provided on the inner side of the top of the installation plate (504). The outer wall of the two-way screw (509) is connected to the baffle plate (507) and the discharge plate (508) respectively. A rotating rod (510) is rotatably mounted at the center of the inner wall of the top cover (502). A retaining ring (512) and a fixing ring (511) are fixedly connected to the outer wall of the rotating rod (510). The outer wall of the rotating rod (510) is threaded, with the thread located below the retaining ring (512). The retaining ring (512) is located at the center with the length of the rotating rod (510). A threaded ring is threaded to the threaded part of the rotating rod (510). A hinge seat (513) is installed on the outer wall of both the threaded ring and the fixing ring (511). A connecting rod is hinged between the inner walls of the hinge seats (513). An installation rod is hinged to the other end of the connecting rod. A fixing block (514) is fixedly connected between the installation rods. The outer wall of the fixing block (514) is installed with... An electric telescopic rod (515) is provided, and a cleaning plate (516) is installed at the telescopic end of the electric telescopic rod (515). The cleaning plate (516) is adapted to the inner wall of the dosing tank (501). A dosing tube (517) is provided at the bottom of the dosing tank (501). The dosing tube (517) is located in the through hole (410). When the rotating rod (510) is rotated, the threaded ring can move up and down, thereby enabling the connecting rod hinged on the hinge seat (513) to move up and down, thereby enabling the cleaning plate (516) connected by the mounting rod to be retracted and opened. When the cleaning plate (516) is rotated by the rotating rod (510), the water and medicine in the dosing tank (501) are fully mixed.

2. The dosing device for wastewater treatment and reuse in a waterworks according to claim 1, characterized in that: The sewage discharge structure (2) includes a partition plate (201), which is set between the inner sides of the sewage tank (1). The top and both sides of the partition plate (201) are provided with movable grooves (206). A sewage discharge gate (202) is movably installed in the movable groove (206). A threaded hole is provided at the center of the sewage discharge gate (202), and a threaded rod (204) is threadedly connected in the threaded hole.

3. The dosing device for wastewater treatment and reuse in a waterworks according to claim 2, characterized in that: The sewage tank (1) is equipped with a support frame (203) at the top. The support frame (203) is located above the isolation plate (201). The support frame (203) is equipped with a motor (205) at the top. The output end of the motor (205) is connected to the top of the threaded rod (204). The partition plate (102) is connected to the center of the isolation plate (201). The isolation plate (201) has a T-shaped structure.

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