A sewage treatment dosing device
By designing a wastewater treatment dosing device that includes a water delivery pipe, a suction pump, and a float plate, the problem of uneven chemical dispersion was solved, and uniform dosing and coverage of chemicals in the wastewater treatment tank was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FIRST CONTROL ENVIRONMENTAL TECH (SHANGHAI) CO LTD
- Filing Date
- 2025-07-08
- Publication Date
- 2026-06-02
AI Technical Summary
The problem of uneven dispersion of chemicals in existing sewage treatment processes makes it difficult for chemicals to effectively cover different areas inside the sewage treatment tank.
A wastewater treatment dosing device was designed, including a water supply pipe, a suction pump, a wastewater treatment agent storage tank, and a floating plate structure. The agent is gradually transported into the wastewater through water circulation, and the pumping reaction force is used to move the device, so that the agent is dynamically added in the wastewater treatment tank.
This achieves uniform dispersion of the agent within the wastewater treatment tank, improves agent coverage efficiency, and ensures that the agent can effectively cover all areas within the tank.
Smart Images

Figure CN224313354U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wastewater treatment technology, specifically to a dosing device for wastewater treatment. Background Technology
[0002] The addition of chemicals is a crucial step in wastewater treatment, including flocculation and disinfection. Different chemicals work for different pollutants and at different stages of treatment. Examples include the addition of flocculants and disinfectants.
[0003] Currently, the addition of wastewater treatment chemicals is mostly done by setting up dosing devices at the inlet and dispersing the chemicals through the impact of incoming water. In this method, the chemicals will flow with the direction of water flow, and the surrounding wastewater will need a long time to come into contact with the chemicals, resulting in uneven dispersion of the chemicals. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this invention provides a dosing device for wastewater treatment, which solves the problem of uneven drug dispersion.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution: a wastewater treatment dosing device, comprising:
[0008] A water supply pipe, wherein one end of the water supply pipe is a water inlet and the other end is a water outlet;
[0009] A suction pump, which is connected to the water delivery pipe;
[0010] A wastewater treatment agent storage tank is provided, with an output pipe at the bottom. A flow control valve is installed on the output pipe, and the bottom end of the output pipe is connected to a water supply pipe.
[0011] Preferably, the wastewater treatment agent storage box is hollow and open at the top, and a top cover is provided at the top opening of the wastewater treatment agent storage box.
[0012] Preferably, ventilation holes are evenly distributed on the top cover.
[0013] Preferably, the wastewater treatment agent storage tank is provided with an agent addition pipe and a suction branch pipe on its side wall. The end of the suction branch pipe away from the wastewater treatment agent storage tank is connected to a water supply pipe, and a control valve is provided on the suction branch pipe.
[0014] Preferably, a support is provided on the outer wall of the wastewater treatment agent storage tank, and the bottom end of the support is connected to the water supply pipe.
[0015] Preferably, a float plate is provided on the lower surface of the water supply pipe. The float plate is elongated and the axis of the water supply pipe is perpendicular to the float plate.
[0016] Preferably, an elastic element is connected to the end of the float plate, one end of the elastic element is connected to the end of the float plate, and the other end of the elastic element is connected to a protective arc plate.
[0017] (III) Beneficial Effects
[0018] This utility model provides a dosing device for wastewater treatment, which has at least the following advantages compared with the prior art:
[0019] The water supply pipe, suction pump, and wastewater treatment agent storage tank are placed directly at the wastewater that needs to be treated. The wastewater treatment agent is gradually transported into the wastewater through water circulation. In this way, the entire equipment floats, allowing for dynamic dosing. Furthermore, the agent is moved by the reaction force of the pumping water, enabling the equipment to be dosed at different locations inside the wastewater treatment tank. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the structure of this utility model;
[0021] Figure 2 This is a schematic diagram of the internal structure of the wastewater treatment agent storage tank of this utility model;
[0022] Figure 3 This is a schematic diagram of the structure of the protective arc plate and elastic element of this utility model.
[0023] In the diagram: 1. Water supply pipe; 2. Water outlet; 3. Water inlet; 4. Suction pump; 5. Wastewater treatment agent storage tank; 6. Top cover; 7. Ventilation hole; 8. Suction branch pipe; 9. Control valve; 10. Agent addition pipe; 11. Output pipe; 12. Flow control valve; 13. Support frame; 14. Float; 15. Protective arc plate; 16. Elastic component. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Example 1:
[0026] Please see Figure 1-3This utility model provides a technical solution: a dosing device for sewage treatment, comprising:
[0027] Water supply pipe 1, one end of which is the water inlet 3 and the other end is the water outlet 2;
[0028] A suction pump 4 is connected to the water supply pipe 1.
[0029] Wastewater treatment agent storage tank 5, with an output pipe 11 at the bottom, a flow control valve 12 installed on the output pipe 11, and the bottom end of the output pipe 11 connected to the water supply pipe 1.
[0030] Analysis of the above: During use, the water supply pipe 1, suction pump 4, and wastewater treatment agent storage tank 5 are placed in the wastewater. After the suction pump 4 is started, it draws water through the inlet end 3 of the water supply pipe 1. The inlet end 3 is bent downwards to facilitate better water suction. The suctioned wastewater is output from the outlet end 2.
[0031] The wastewater treatment agent in the wastewater treatment agent storage tank 5 is discharged into the wastewater through the output pipe 11 and dispersed into the wastewater as the water flows.
[0032] Example 2:
[0033] Please see Figure 1-3 Based on Embodiment 1, this utility model provides a technical solution: the sewage treatment agent storage box 5 is hollow and open at the top, and a top cover 6 is provided at the top opening of the sewage treatment agent storage box 5.
[0034] Analysis of the above content: When in use, the top cover 6 can cover the upper opening of the sewage treatment agent storage tank 5, which protects the upper opening of the sewage treatment agent storage tank 5 and prevents other impurities from falling into the sewage treatment agent storage tank 5.
[0035] Example 3:
[0036] Please see Figure 1-3 This utility model provides a technical solution based on Embodiment 2: the top cover 6 is provided with ventilation holes 7 evenly distributed.
[0037] Analysis of the above content: When in use, ventilation hole 7 is used for air circulation and plays a role in balancing air pressure.
[0038] Example 4:
[0039] Please see Figure 1-3Based on Embodiment 1, this utility model provides a technical solution: the side wall of the sewage treatment agent storage tank 5 is provided with an agent addition pipe 10 and a suction branch pipe 8. The end of the suction branch pipe 8 away from the sewage treatment agent storage tank 5 is connected to the water supply pipe 1. A control valve 9 is provided on the suction branch pipe 8.
[0040] Analysis of the above content: When using, wastewater treatment agent (liquid) can be added to the wastewater treatment agent storage tank 5 through the agent addition pipe 10.
[0041] This scheme can also be used to cultivate sewage treatment microorganisms. When it is necessary to cultivate sewage treatment microorganisms, the setting of the suction branch pipe 8 allows a portion of the wastewater pumped by the suction pump 4 to enter the sewage treatment agent storage tank 5 (if the pressure is insufficient, a valve can be installed on the left side of the water supply pipe 1. When wastewater enters the sewage treatment agent storage tank 5, the valve is closed to cut off the flow in the water supply pipe 1 until the sewage treatment agent storage tank 5 is full of wastewater). In this way, the sewage comes into contact with the microorganisms, carbon source, and nitrogen source pre-stored in the sewage treatment agent storage tank 5 and the microorganisms are cultivated. Subsequently, the microorganisms can be dispersed to the sewage treatment pond for sewage treatment (e.g., to cultivate denitrifying microorganisms).
[0042] Example 5:
[0043] Please see Figure 1-3 Based on Embodiment 1, this utility model provides a technical solution: a support 13 is provided on the outer wall of the sewage treatment agent storage box 5, and the bottom end of the support 13 is connected to the water supply pipe 1.
[0044] Analysis of the above content: When in use, the bracket 13 provides stable support for the sewage treatment agent storage tank 5.
[0045] Example 6:
[0046] Please see Figure 1-3 This utility model provides a technical solution based on Embodiment 1: A float plate 14 is provided on the lower surface of the water supply pipe 1. The float plate 14 is elongated, and the axis of the water supply pipe 1 is perpendicular to the float plate 14. An elastic member 16 is connected to the end of the float plate 14. One end of the elastic member 16 is connected to the end of the float plate 14, and the other end of the elastic member 16 is connected to a protective arc plate 15.
[0047] Analysis of the above: In use, the float 14 is made of hollow plastic or foam board, allowing the water pipe 1, suction pump 4, and wastewater treatment agent storage tank 5 to float as a whole in the wastewater. Because the water pipe 1, suction pump 4, and wastewater treatment agent storage tank 5 float on the water surface, the combined action of the elastic element 16 and the protective arc plate 15 provides a shock-absorbing effect for the water pipe 1, suction pump 4, wastewater treatment agent storage tank 5, and float 14. When the water pipe 1, suction pump 4, wastewater treatment agent storage tank 5, and float 14 approach the shore, the elastic element 16 and the protective arc plate 15 first contact the shore, buffering the impact.
[0048] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0049] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A dosing device for wastewater treatment, characterized in that, include: Water supply pipe (1), one end of which is the inlet end (3) and the other end is the outlet end (2); A suction pump (4) is connected to the pipeline of the water supply pipe (1); Wastewater treatment agent storage tank (5), the bottom of the wastewater treatment agent storage tank (5) is provided with an output pipe (11), a flow control valve (12) is installed on the pipeline of the output pipe (11), and the bottom end of the output pipe (11) is connected to the water supply pipe (1).
2. The wastewater treatment dosing device according to claim 1, characterized in that: The wastewater treatment agent storage box (5) is hollow and open at the top, and a top cover (6) is provided at the top opening of the wastewater treatment agent storage box (5).
3. The wastewater treatment dosing device according to claim 2, characterized in that: Ventilation holes (7) are evenly distributed on the top cover (6).
4. The wastewater treatment dosing device according to claim 1, characterized in that: The wastewater treatment agent storage tank (5) is provided with an agent addition pipe (10) and a suction branch pipe (8) on its side wall. The end of the suction branch pipe (8) away from the wastewater treatment agent storage tank (5) is connected to the water supply pipe (1). A control valve (9) is provided on the pipe of the suction branch pipe (8).
5. The wastewater treatment dosing device according to claim 1, characterized in that: The outer wall of the wastewater treatment agent storage box (5) is provided with a support (13), and the bottom end of the support (13) is connected to the water supply pipe (1).
6. The wastewater treatment dosing device according to claim 1, characterized in that: The lower surface of the water pipe (1) is provided with a float plate (14), which is long and narrow, and the axis of the water pipe (1) is perpendicular to the float plate (14).
7. A wastewater treatment dosing device according to claim 6, characterized in that: The end of the float (14) is connected to an elastic element (16), one end of the elastic element (16) is connected to the end of the float (14), and the other end of the elastic element (16) is connected to a protective arc plate (15).