Flocculation intelligent dosing device for sewage treatment

The water quality detection and control system of the intelligent flocculant dosing device enables precise dosing and uniform mixing of flocculants, solving the problem of uneven flocculant addition in traditional sewage treatment and improving sewage treatment efficiency and effectiveness.

CN224091686UActive Publication Date: 2026-04-07HENAN URBAN & RURAL WATER RES INST CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

In traditional wastewater treatment, the amount of flocculant added is difficult to adapt to the varying water quality changes of wastewater from different sources and with different levels of pollution, resulting in excessive or insufficient flocculant, which affects the treatment effect and efficiency, and also leads to uneven mixing.

Method used

The system employs an intelligent flocculant dosing device, combined with a water quality detection unit and control system, to monitor water quality parameters in real time, calculate the optimal flocculant dosage, and precisely control the flocculant dosing through a metering pump. The inclined stirring blades create a vortex to ensure uniform distribution and thorough mixing of the flocculant.

Benefits of technology

It enables precise dosing of flocculants, reduces waste, improves mixing efficiency and flocculation effect, lowers treatment costs, and ensures uniformity and efficiency in wastewater treatment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224091686U_ABST
    Figure CN224091686U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of water treatment, in particular to a flocculation intelligent dosing device for sewage treatment, which comprises a treatment barrel, a dosing mixing device and a water quality detection unit, a water inlet pipe is mounted at one end of the top wall of the treatment barrel, a water outlet pipe is mounted in the middle of the bottom wall of the treatment barrel, and a control valve is mounted on the outer wall of the water outlet pipe. A control system is installed on the side wall of the front end of the treatment barrel, the water quality detection unit is installed on the inner wall of the treatment barrel, the dosing and mixing device is installed on the treatment barrel, a flocculating agent is evenly released through medicine outlet holes, the problem that the local concentration is too high or too low is avoided, it is guaranteed that the flocculating agent is evenly distributed in the whole treatment barrel, and the treatment efficiency is improved. The waste of chemical agents is reduced through accurate dosage control, the follow-up treatment burden is relieved while the treatment cost is reduced, after the flocculation reaction is completed, the control valve is opened, and treated water is discharged through the water outlet pipe.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment technical field, concretely is a flocculation intelligent dosing device for sewage treatment. BACKGROUND

[0002] It is known that in the current sewage treatment field, the addition of flocculants is a key step for removing suspended particles, colloidal substances and other pollutants in sewage, and the traditional sewage treatment method usually relies on the experience of operators or a fixed dosage scheme for the addition of flocculants, which has significant limitations and deficiencies.

[0003] In the traditional method, the amount of flocculant added is often based on empirical values or preset standard values, which is difficult to adapt to changes in sewage quality from different sources and with different pollution levels, resulting in excessive or insufficient use of reagents. The former increases the treatment cost and may cause secondary pollution, and the latter cannot achieve ideal treatment results. Moreover, after dosing, the flocculant cannot be effectively and timely mixed with the sewage, resulting in ineffective flocculation treatment of the sewage in some areas, uneven flocculation, and affected overall treatment efficiency. SUMMARY

[0004] (I) Technical problems solved

[0005] In view of the deficiencies of the prior art, the utility model provides a flocculation intelligent dosing device for sewage treatment.

[0006] (II) Technical solutions

[0007] To achieve the above object, the utility model provides the following technical scheme: A flocculation intelligent dosing device for sewage treatment, including processing bucket, dosing mixing device and water quality detection unit, the top wall one end of processing bucket is installed with inlet pipe, the bottom wall middle part of processing bucket is installed with outlet pipe, the outer wall of outlet pipe is installed with control valve, the front end side wall of processing bucket is installed with control system, the inner wall of processing bucket is installed with water quality detection unit, processing bucket is installed with dosing mixing device, dosing mixing device includes stirring shaft, stirring blade, medicine outlet, protection shell, medicine storage bucket, metering pump, medicine outlet pipe and drive arrangement, the stirring shaft is rotatably installed in processing bucket, the left and right two ends of stirring shaft all are installed with the tilt design multiple group stirring blade, the bottom wall of multiple group stirring blade all is equipped with multiple group medicine outlet, the top wall of processing bucket is installed with protection shell, the top wall of protection shell is installed with medicine storage bucket, the bottom wall of medicine storage bucket is installed with medicine outlet pipe, the outer wall of medicine outlet pipe is installed with metering pump, the top end of stirring shaft extends to the top end outside of processing bucket through the top wall of processing bucket, the bottom end of medicine outlet pipe passes through protection shell and is connected with the stirring shaft through bearing and with its inner chamber through -going, the top end outer wall of stirring shaft is installed with drive arrangement.

[0008] Further, the utility model improves, drive arrangement includes driven bevel gear, driving bevel gear and drive motor, the top end outer wall of stirring shaft is equipped with driven bevel gear, the top wall of one end of processing bucket away from inlet pipe is installed with drive motor through motor frame, the output of drive motor passes through protection shell side wall and extends its inner chamber and is installed with driving bevel gear, driving bevel gear and driven bevel gear meshing connection.

[0009] Further, the utility model improves, the stirring blade is installed with scraper away from stirring shaft one end, and the scraper is matched with the inner wall of processing bucket.

[0010] Further, the utility model improves, control valve is solenoid valve.

[0011] Further, the utility model improves, water quality detection unit includes turbidity sensor and pH meter, the inner wall of processing bucket is equipped with two groups of recesses symmetrically, and two groups of recesses are installed with turbidity sensor and pH meter respectively.

[0012] Further, the utility model improves, drive motor is servo motor.

[0013] Further, the utility model improves, and the bottom end of processing bucket is installed with support leg in four corners.

[0014] Further, the utility model improves, the bottom wall of stirring shaft is equipped with fixed ring, the lateral wall of fixed ring is equipped with multiple sets of auxiliary stirring paddle.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a flocculation intelligent dosing device for sewage treatment, has the following beneficial effects:

[0017] The flocculation intelligent dosing device for sewage treatment, through the mixing device of setting, based on the real-time data provided by water quality detection unit, the control system can calculate the required optimal flocculant dosage, and the dosing amount of flocculant is accurately controlled through the metering pump, this mode not only reduces the waste of chemical reagent, also reduces the processing cost, through the multiple groups of medicine outlet holes of the bottom of stirring vane, the problem that local concentration is too high or too low is avoided, the uniform distribution of flocculant in the whole treatment barrel is guaranteed, thereby improve the overall treatment effect, the stirring vane adopts the inclined design, helps to form strong vortex effect, greatly enhances the mixing efficiency, this makes flocculant can be in short time with the suspended matter in sewage fully contact and take place reaction, improves the processing efficiency, and the scraper of stirring vane away from stirring shaft installation when rotating will drive the sewage close to the barrel wall to participate in the circulation and mixing process, this helps to break the boundary layer effect, makes the contact between flocculant and sewage more fully uniform, thereby improves the overall mixing effect and flocculation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram of the utility model;

[0019] Figure 2 It is hidden rear three-dimensional structure schematic diagram of protective shell of the utility model;

[0020] Figure 3 It is the first angle three-dimensional structure schematic diagram of half cut of the utility model treatment barrel;

[0021] Figure 4 It is the second angle three-dimensional structure schematic diagram of half cut of the utility model treatment barrel.

[0022] In the drawing: 1, treatment barrel;2, inlet pipe;3, outlet pipe;4, control valve;5, control system;6, stirring shaft;7, stirring vane;8, medicine outlet hole;9, protective shell;10, medicine storage barrel;11, metering pump;12, medicine outlet pipe;13, driven bevel gear;14, driving bevel gear;15, driving motor;16, scraper;17, turbidity sensor;18, pH meter;19, support leg;20, fixed ring;21, auxiliary stirring paddle. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-4The utility model provides a sewage treatment flocculation intelligent dosing device, including processing bucket 1, dosing mixing device and water quality detection unit, the top wall one end of processing bucket 1 is installed with inlet pipe 2, the bottom wall middle part of processing bucket 1 is installed with outlet pipe 3, the outer wall of outlet pipe 3 is installed with control valve 4, the front end lateral wall of processing bucket 1 is installed with control system 5, the inner wall of processing bucket 1 is installed with water quality detection unit, processing bucket 1 is installed with dosing mixing device, dosing mixing device includes stirring shaft 6, stirring blade 7, medicine outlet hole 8, protection shell 9, storage barrel 10, metering pump 11, medicine outlet pipe 12 and drive arrangement, the inner rotation of processing bucket 1 is installed with stirring shaft 6, and the left and right ends of stirring shaft 6 are all installed with the oblique design of multiple groups stirring blade 7, and the bottom wall of multiple groups stirring blade 7 all is equipped with multiple groups medicine outlet hole 8, the top wall of processing bucket 1 is installed with protection shell 9, the upper of protection shell 9 is installed with storage barrel 10, the bottom wall of storage barrel 10 is installed with medicine outlet pipe 12, the outer wall of medicine outlet pipe 12 is installed with metering pump 11, the top end of stirring shaft 6 extends to the top end outside of processing bucket 1 through the top wall of processing bucket 1, and the bottom end of medicine outlet pipe 12 passes through protection shell 9 and is connected with the inner chamber through bearing with stirring shaft 6, and the top end outer wall of stirring shaft 6 is installed with drive arrangement, in the embodiment, when using, first ensure that storage barrel 10 is equipped with enough flocculating agent, or add enough flocculating agent through the medicine pipe of top end, pour the sewage to be handled into processing bucket 1 through inlet pipe 2, water quality detection unit installed in the inner wall of processing bucket 1 begins to monitor water quality parameter (such as turbidity, pH value etc.) in real time at this time, and data transmission is given to control system 5, based on the water quality information received, control system 5 calculates the optimum flocculating agent dosage required and extracts the flocculating agent of appropriate amount from storage barrel 10 through metering pump 11, and the flocculating agent is transported to the inside of stirring shaft 6 through medicine outlet pipe 12, and the inner chamber of stirring shaft 6 and stirring blade 7 is through, then is released evenly in sewage through multiple groups medicine outlet hole 8 of the bottom of stirring blade 7, and control system 5 starts drive arrangement simultaneously, and drive arrangement drives stirring shaft 6 to rotate, when stirring shaft 6 rotates, the flocculating agent is released evenly in sewage through medicine outlet hole 8, due to the design of stirring blade 7 is inclined, this helps to form vortex, promotes the rapid diffusion of reagent, and stirring shaft 6 continues to rotate and drives stirring blade 7 to mix sewage and flocculating agent powerfully, and the design of stirring blade 7 increases the shear force between liquid, promotes the effective combination of flocculating agent and pollutant particles, forms larger floc, and the stirring blade 7 of oblique design can also produce strong vortex effect, greatly enhances the mixing efficiency, so that the flocculating agent can be in contact with the suspended matter in sewage in a short time and react, and the flocculating agent is released evenly through medicine outlet hole 8, avoids the problem of local concentration too high or too low, guarantees the uniform distribution of flocculating agent in the whole processing bucket 1, and the accurate dosing quantity control reduces the waste of chemical reagent, reduces the processing cost while also lightens the subsequent processing burden,After the flocculation reaction is completed, the control valve 4 is opened, and the treated water is discharged through the water outlet pipe 3.

[0025] Preferably, in this embodiment, the driving device includes a driven bevel gear 13, a driving bevel gear 14 and a driving motor 15, the top end outer wall of the stirring shaft 6 is sleeved with the driven bevel gear 13, the top wall of the far end of the treatment barrel 1 away from the water inlet pipe 2 is installed with the driving motor 15 through a motor bracket, the output end of the driving motor 15 penetrates through the side wall of the protective shell 9 and extends into the inner cavity thereof and is installed with the driving bevel gear 14, the driving bevel gear 14 and the driven bevel gear 13 are meshingly connected, when the control system 5 receives an instruction to perform mixing treatment, the driving motor 15 is started, the output end of the driving motor 15 is installed with the driving bevel gear 14, with the operation of the driving motor 15, the driving bevel gear 14 starts to rotate, due to the meshing of the driving bevel gear 14 and the driven bevel gear 13 sleeved on the top end outer wall of the stirring shaft 6, the rotation of the driving bevel gear 14 drives the driven bevel gear 13 to rotate, the rotation of the driven bevel gear 13 directly causes the stirring shaft 6 to rotate, the stirring shaft 6 penetrates through the top wall of the treatment barrel 1 and extends into the inside of the treatment barrel 1, drives the stirring blade 7 connected thereto to rotate, so as to realize the mixing operation of the sewage and the flocculant, according to the parameters pre-set or adjusted in real time, the control system 5 controls the working time of the driving motor 15 to ensure that the sewage and the flocculant can be fully mixed to achieve the ideal flocculation effect, after completion, the driving motor 15 stops working, and the mixing process ends.

[0026] Preferably, in this embodiment, the stirring blade 7 is installed with a scraper 16 at the end away from the stirring shaft 6, the scraper 16 is adapted to the inner wall of the treatment barrel 1, during the sewage treatment process, some impurities may adhere or deposit on the inner wall of the treatment barrel 1, the design of the scraper 16 can effectively remove these deposits, avoiding the scaling or forming of a difficult-to-clean deposition layer on the inner wall after a long time of operation, the scraper 16 will drive the sewage close to the barrel wall to participate in the circulation and mixing process when rotating, which helps to break the boundary layer effect, so that the contact between the flocculant and the sewage is more sufficient and uniform, thereby improving the overall mixing effect and flocculation efficiency.

[0027] Preferably, in this embodiment, the control valve 4 is an electromagnetic valve, which can realize very rapid opening and closing operation, which is particularly important for accurately controlling the water flow during the treatment process, and the rapid response capability can ensure that the water flow is immediately adjusted according to the real-time monitored data to achieve the best treatment effect.

[0028] Preferably, in this embodiment, the water quality detection unit includes a turbidity sensor 17 and a pH meter 18, the inner wall of the treatment barrel 1 is symmetrically provided with two groups of grooves, and the turbidity sensor 17 and the pH meter 18 are respectively installed in the two groups of grooves. When sewage flows into the treatment barrel 1, the turbidity sensor 17 starts to work and monitors the concentration of suspended particles in the water in real time. It evaluates the turbidity of the water body by emitting light and measuring the intensity of scattered light. At the same time, the pH meter 18 is also working, which directly contacts with the sewage through the electrode to measure the hydrogen ion concentration index (pH value) to determine the acidity and alkalinity of the water body. The sensor sends the collected data to the control system 5, which evaluates the current water quality based on these parameters and decides whether to adjust the dosage of flocculant or other treatment measures. Based on the data provided by the sensor, the control system 5 can automatically control the working state of the metering pump 11 to adjust the dosage of flocculant, ensuring the best treatment effect. The sensor is placed in the groove to protect the equipment from physical damage, such as the wall scraping action of the scraper 16 during operation.

[0029] Preferably, in this embodiment, the driving motor 15 is a servo motor, which can provide very precise position, speed and torque control, which means that the speed and position of the stirring shaft 6 can be adjusted very accurately according to actual needs, thereby ensuring the best mixing effect, especially in the case of treating different types of sewage or needing fine adjustment of the mixing ratio of flocculant and sewage.

[0030] Preferably, in this embodiment, the bottom of the treatment barrel 1 is provided with support legs 19 at the four corners, which ensure the stability of the treatment barrel 1 during operation, especially in the case of vibration during operation of the equipment. The four-corner installation of the support legs 19 can effectively disperse the weight, making the whole device more stable and smooth, reducing the safety hazards caused by imbalance. The design of the support legs 19 makes the treatment barrel 1 have a certain height from the ground, which provides a convenient space for the installation of bottom pipes, valves and other components.

[0031] Preferably, in this embodiment, the bottom wall of the stirring shaft 6 is provided with a fixed ring 20, and a plurality of auxiliary stirring paddles 21 are installed on the side wall of the fixed ring 20. The auxiliary stirring paddles 21 can increase the turbulence intensity in the stirring area and help break the flow dead angle that may occur at the bottom of the treatment barrel 1. Since the auxiliary stirring paddles 21 are located at the bottom of the stirring shaft 6, they can directly act on the water layer close to the bottom of the barrel, helping to disperse the flocculant more evenly to the bottom area, which is particularly helpful in avoiding the deposition of the medicament caused by gravity, ensuring uniform distribution of the medicament in the entire water body.

[0032] In order to explain the possible application scenarios, technical principles, specific schemes that can be implemented, purposes and effects, etc. of the present application in detail, the specific embodiments listed below are combined with the drawings for detailed description. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, but cannot limit the protection scope of the present application.

[0033] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A smart flocculation dosing device for wastewater treatment, comprising a treatment tank (1), a dosing and mixing device, and a water quality detection unit, characterized in that: A water inlet pipe (2) is installed at one end of the top wall of the treatment tank (1), a water outlet pipe (3) is installed in the middle of the bottom wall of the treatment tank (1), a control valve (4) is installed on the outer wall of the water outlet pipe (3), a control system (5) is installed on the front side wall of the treatment tank (1), a water quality detection unit is installed on the inner wall of the treatment tank (1), and a dosing and mixing device is installed on the treatment tank (1). The dosing and mixing device includes a stirring shaft (6), stirring blades (7), a dosing hole (8), a protective shell (9), a storage tank (10), a metering pump (11), a dosing pipe (12), and a driving device. The stirring shaft (6) is rotatably installed inside the treatment tank (1), and both ends of the stirring shaft (6) are equipped with inclined designs. The multiple sets of stirring blades (7) are provided, and the bottom walls of the multiple sets of stirring blades (7) are provided with multiple sets of drug outlet holes (8). The top wall of the treatment tank (1) is provided with a protective shell (9). The drug storage tank (10) is provided above the protective shell (9). The bottom wall of the drug storage tank (10) is provided with a drug outlet pipe (12). The outer wall of the drug outlet pipe (12) is provided with a metering pump (11). The top end of the stirring shaft (6) extends through the top wall of the treatment tank (1) to the outside of the top end of the treatment tank (1). The bottom end of the drug outlet pipe (12) extends through the protective shell (9) and is connected to the stirring shaft (6) through a bearing and communicates with its inner cavity. The top outer wall of the stirring shaft (6) is provided with a driving device.

2. The intelligent flocculation dosing device for wastewater treatment according to claim 1, characterized in that: The driving device includes a driven bevel gear (13), a driving bevel gear (14), and a drive motor (15). The driven bevel gear (13) is sleeved on the outer wall of the top end of the stirring shaft (6). The drive motor (15) is mounted on the top wall of the end of the processing tank (1) away from the water inlet pipe (2) through a motor frame. The output end of the drive motor (15) passes through the side wall of the protective shell (9) and extends into its inner cavity to install the driving bevel gear (14). The driving bevel gear (14) and the driven bevel gear (13) are meshed and connected.

3. The intelligent flocculation dosing device for wastewater treatment according to claim 2, characterized in that: A scraper (16) is installed at the end of the stirring blade (7) away from the stirring shaft (6), and the scraper (16) is adapted to the inner wall of the processing tank (1).

4. The intelligent flocculation dosing device for wastewater treatment according to claim 3, characterized in that: The control valve (4) is a solenoid valve.

5. The intelligent flocculation dosing device for wastewater treatment according to claim 4, characterized in that: The water quality detection unit includes a turbidity sensor (17) and a pH meter (18). The inner wall of the treatment tank (1) is symmetrically provided with two sets of grooves, and the turbidity sensor (17) and the pH meter (18) are respectively installed in the two sets of grooves.

6. The intelligent flocculation dosing device for wastewater treatment according to claim 5, characterized in that: The drive motor (15) is a servo motor.

7. The intelligent flocculation dosing device for wastewater treatment according to claim 6, characterized in that: The processing tank (1) is equipped with support legs (19) at the four corners of its bottom.

8. The intelligent flocculation dosing device for wastewater treatment according to claim 7, characterized in that: The bottom wall of the stirring shaft (6) is equipped with a fixing ring (20), and the side wall of the fixing ring (20) is equipped with multiple sets of auxiliary stirring blades (21) in a ring shape.