Liquid injection mechanism for sewage treatment device
By installing a mixing plate and a spiral mixing channel in the mixing tank of the wastewater treatment device, the problem of insufficient mixing between wastewater and chemicals is solved, resulting in a more efficient wastewater treatment effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU DINGHONG ENVIRONMENTAL TECH CO LTD
- Filing Date
- 2025-03-03
- Publication Date
- 2026-05-08
AI Technical Summary
In existing wastewater treatment processes, wastewater and reaction agents are not fully mixed, affecting the treatment effect.
The mixing tank is equipped with a mixing plate and a spiral mixing channel to ensure that the wastewater and the reaction agent are fully mixed. The flow rate is controlled by a buffer plate to achieve secondary mixing.
It improves the effectiveness of wastewater treatment, ensures that wastewater and chemicals react fully, and enhances the quality of purification.
Smart Images

Figure CN224212413U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of wastewater treatment technology, specifically a liquid injection mechanism for a wastewater treatment device. Background Technology
[0002] Water treatment can also be called wastewater treatment. However, the latter is a broad term and can also refer to industrial wastewater. For most cities, the sewer system also discharges a portion of sewage to wastewater treatment plants, which typically pre-treat the wastewater at the plant itself to reduce pollutant load. If the sewer system is a combined system, it will also carry urban runoff (rainwater) to the wastewater treatment plant. Sewage can flow to the wastewater treatment plant through pipes and with the assistance of gravity and pumps. The wastewater is then treated and purified at the treatment plant. Currently, the commonly used wastewater treatment method is a combination of physical and chemical methods. This often involves feeding wastewater into reaction tanks, adding chemicals for chemical reactions, or electrolysis and other processes, followed by filtration of impurities.
[0003] In existing wastewater treatment processes, wastewater and reagents are directly added to the reaction tank through pipes. The wastewater and reagents are not fully mixed, which prevents a complete reaction and affects the wastewater treatment effect. Utility Model Content
[0004] The purpose of this invention is to provide a liquid injection mechanism for a wastewater treatment device to solve the problems mentioned in the background art.
[0005] The technical solution adopted in this utility model is as follows:
[0006] A liquid injection mechanism for a wastewater treatment device includes a mixing tank, with a liquid delivery pipe connected to the bottom outlet of the mixing tank. A liquid inlet and a chemical inlet are distributed at the left and right ends of the top of the mixing tank. A mixing plate is provided inside the mixing tank, located below the liquid inlet and the chemical inlet. A buffer plate is provided at the center below the mixing plate.
[0007] Preferably, the mixing plate adopts a circular structure with an annular baffle at its center and a plurality of liquid outlets on the baffle.
[0008] Preferably, the mixing plate has a structure in which the height gradually decreases from top to bottom.
[0009] Preferably, the buffer plate is located below the central through hole of the mixing plate, and it has a structure in which the height gradually decreases from the center to both ends, and it is located above the outlet of the mixing tank.
[0010] Preferably, the upper end of the infusion tube is sealed to the outlet of the mixing tank, and the infusion tube is provided with a spiral mixing channel.
[0011] Preferably, the top of the mixing tank is also provided with an exhaust port.
[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:
[0013] In this invention, by setting a mixing plate in the mixing tank and a spiral mixing channel in the infusion pipe, the wastewater and the reaction agent are fully mixed, thereby achieving full reaction of impurities in the wastewater and improving the wastewater treatment effect. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0015] Figure 2 This is a cross-sectional view of the mixing tank of this utility model;
[0016] Figure 3 This is a cross-sectional view of the infusion tube of this utility model;
[0017] Figure 4 This is a top view of the inside of the infusion tube of this utility model;
[0018] In the diagram: 31, mixing tank; 311, dosing port; 312, liquid inlet; 313, vent; 314, mixing plate; 315, baffle; 316, liquid outlet; 317, buffer plate; 32, infusion pipe; 321, spiral mixing channel. Detailed Implementation
[0019] The specific embodiments of this utility model are described in detail below.
[0020] The "range" disclosed in this utility model is defined by a lower limit and an upper limit. A given range is defined by selecting a lower limit and an upper limit, which define the boundaries of a particular range. Ranges defined in this way can include or exclude endpoints and can be arbitrarily combined; that is, any lower limit can be combined with any upper limit to form a range. For example, if a range of 10–50 is listed for a specific parameter, it is also expected that ranges of 10–40 and 20–50 are also included. Furthermore, if the minimum range values are listed as 1 and 2, and the maximum range values are listed as 3, 4, and 5, then the following ranges are all expected: 1–3, 1–4, 1–5, 2–3, 2–4, and 2–5. In this application, unless otherwise stated, the numerical range "a–b" represents a shortened representation of any combination of real numbers between a and b, where a and b are real numbers. For example, the numerical range "0–5" means that all real numbers between "0–5" have been listed herein; "0–5" is merely a shortened representation of these numerical combinations.
[0021] Unless otherwise specified, all embodiments and optional embodiments of this application can be combined to form new technical solutions.
[0022] Unless otherwise specified, all technical features and optional technical features of this application may be combined to form new technical solutions.
[0023] Unless otherwise specified, all steps in this application may be performed sequentially or randomly, preferably sequentially. For example, the method includes steps (a) and (b), indicating that the method may include steps (a) and (b) performed sequentially, or it may include steps (b) and (a) performed sequentially. For example, the mention that the method may also include step (c) indicates that step (c) may be added to the method in any order. For example, the method may include steps (a), (b), and (c), or it may include steps (a), (c), and (b), or it may include steps (c), (a), and (b), etc.
[0024] Unless otherwise specified, the terms "comprising" and "including" as used in this application can be open-ended or closed-ended. For example, "comprising" and "including" can mean that other components not listed may also be included, or that only the listed components may be included.
[0025] Unless otherwise specified, the reaction will proceed under normal temperature and pressure conditions.
[0026] Unless otherwise specified, all parts or percentages are by weight or by weight percentage.
[0027] In this invention, all the substances used are known substances that can be purchased or synthesized by known methods.
[0028] In this invention, all the devices or equipment used are conventional devices or equipment known in the art and are readily available.
[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.
[0030] Example:
[0031] A liquid injection mechanism for a wastewater treatment device, such as Figure 1-4As shown, the system includes a mixing tank 31, with an infusion pipe 32 connected to the bottom outlet of the mixing tank 31. The top left and right ends of the mixing tank 31 are provided with a liquid inlet 312 and a drug inlet 311. A mixing plate 314 is provided inside the mixing tank 31, which is located below the liquid inlet 312 and the drug inlet 311. A buffer plate 317 is provided at the center below the mixing plate 314.
[0032] In one possible implementation, the mixing plate 314 adopts a ring-shaped structure, with an annular baffle 315 at its center, and a plurality of liquid outlets 316 on the baffle 315.
[0033] In one possible implementation, the mixing plate 314 has a structure in which the height gradually decreases from top to bottom.
[0034] In one possible implementation, the buffer plate 317 is located below the central through hole of the mixing plate 314, and has a structure in which the height gradually decreases from the center to both ends, and is located above the outlet of the mixing tank 31.
[0035] In one possible implementation, the upper end of the infusion tube 32 is sealed to the outlet of the mixing tank 31, and the infusion tube 32 is provided with a spiral mixing channel 321.
[0036] In one possible implementation, the top of the mixing tank 31 is also provided with an exhaust port 313.
[0037] Working principle, refer to Figure 1-4 In use, the liquid inlet 312 and the chemical inlet 311 are connected to the sewage pipe and the chemical pipe, respectively. The sewage and the chemical solution enter the mixing tank 31 through the liquid inlet 312 and the chemical inlet 311, respectively, and fall onto the mixing plate 314. Since the mixing plate 314 is an inwardly concave annular structure, the sewage and the chemical solution are mixed on the mixing plate 314 (first mixing) and flow out from the outlet 316 on the baffle 315, falling onto the buffer plate 317 (reducing the falling speed of the mixed solution, facilitating the secondary mixing of the spiral mixing channel 321). The mixture is then diverted to the side wall of the mixing tank 31 through the arc surface of the buffer plate 317 until it flows out from the bottom outlet of the mixing tank 31. After secondary mixing through the spiral mixing channel 321, the liquid injection in the sewage treatment process is completed.
[0038] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A liquid injection mechanism for a wastewater treatment device, characterized in that: The mixture includes a mixing tank (31), with an infusion pipe (32) connected to the bottom outlet of the mixing tank (31). The top left and right ends of the mixing tank (31) are provided with a liquid inlet (312) and a drug inlet (311). The mixing tank (31) is provided with a mixing plate (314) inside the mixing tank (31). The mixing plate (314) is located below the liquid inlet (312) and the drug inlet (311). A buffer plate (317) is provided at the center below the mixing plate (314).
2. The liquid injection mechanism for a wastewater treatment device as described in claim 1, characterized in that: The mixing plate (314) adopts a circular structure, and a ring-shaped baffle (315) is provided at its center. The baffle (315) has a plurality of liquid outlets (316).
3. The liquid injection mechanism for a wastewater treatment device as described in claim 1, characterized in that: The mixing plate (314) has a structure in which the height gradually decreases from top to bottom.
4. The liquid injection mechanism for a wastewater treatment device as described in claim 1, characterized in that: The buffer plate (317) is located below the central through hole of the mixing plate (314), and it adopts a structure in which the height gradually decreases from the center to both ends. It is located above the outlet of the mixing tank (31).
5. The liquid injection mechanism for a wastewater treatment device as described in claim 1, characterized in that: The upper end of the infusion tube (32) is sealed to the outlet of the mixing tank (31), and a spiral mixing channel (321) is provided inside the infusion tube (32).
6. The liquid injection mechanism for a wastewater treatment device as described in claim 1, characterized in that: The mixing tank (31) is also provided with an exhaust port (313) on the top.