A flocculant dosing device
By introducing quantitative feeding, spiral stirring, and internal wall cleaning components into the flocculant dosing device, the problems of inaccurate flocculant addition and uneven distribution are solved, thereby improving the flocculation treatment effect and the service life of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- POWERCHINA HUADONG ENG CORP LTD
- Filing Date
- 2025-05-20
- Publication Date
- 2026-06-19
AI Technical Summary
Existing flocculant dosing devices cannot accurately control the amount of flocculant added, resulting in too much or too little flocculant being added. Furthermore, the flocculant is unevenly distributed within the device, affecting the treatment effect. Additionally, flocculant residue on the inner wall of the device leads to corrosion and shortens its service life.
The system employs a quantitative feeding component, a spiral mixing component, and an internal wall cleaning component. The quantitative feeding component precisely controls the amount of flocculant added, the spiral mixing component ensures uniform distribution of the flocculant, and the internal wall cleaning component removes residual flocculant from the internal wall to prevent corrosion.
It achieves precise addition and uniform distribution of flocculants, improves treatment efficiency and water quality stability, extends the service life of the equipment, and prevents corrosion and leakage.
Smart Images

Figure CN224377769U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of dosing device technology, specifically to a flocculant dosing device. Background Technology
[0002] Flocculant dosing devices are widely used in wastewater treatment and other fields. In existing technologies, common flocculant dosing devices typically consist of a storage container, a delivery pipeline, and metering components. The storage container holds the flocculant and is generally made of corrosion-resistant materials to ensure stable flocculant performance. The delivery pipeline transports the flocculant from the container to the application site, with its diameter appropriately set based on the dosing flow rate. The metering components, often using flow control valves or metering pumps, precisely control the amount of flocculant added. These components can be adjusted as needed based on the volume and quality of the treated water, making them compatible with treatment systems of different scales and ensuring stable and accurate flocculant application. However, existing technologies have the following problems:
[0003] Existing flocculant dosing devices lack a metering feed component, making it impossible to accurately control the amount of flocculant added. This can lead to over- or under-dosing, affecting the overall treatment process. Furthermore, the absence of a spiral agitator in existing devices makes it difficult for the flocculant to distribute evenly throughout the treatment medium, resulting in extremely low agitation efficiency and requiring more time and resources to process the same amount of medium. Since existing devices cannot clean residual flocculant from the inner walls, the pre-set ratio of flocculant to impurities is disrupted, interfering with the normal flocculation reaction and significantly reducing the flocculation effect. Additionally, long-term flocculant adhesion to the inner walls can corrode the outer casing, reducing the device's lifespan. Utility Model Content
[0004] The purpose of this invention is to provide a flocculant dosing device to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0006] A flocculant dosing device includes a base, two support blocks fixedly connected to the top of the base, a device housing fixedly connected to the top of the support blocks, a fixing frame fixedly connected to the top of the base on the front side of the device housing, a central controller fixedly connected to the left side of the fixing frame, a discharge pipe fixedly connected to the bottom rear side of the device housing, a solenoid valve electrically connected to the central controller fixedly connected to the outer wall of the discharge pipe, a metering feed assembly on the top of the device housing, and a spiral stirring assembly and an inner wall cleaning assembly inside and on the front side of the device housing.
[0007] A further improvement of this utility model is that: the quantitative feeding component includes two support blocks II, which are fixedly connected to the top of the device housing. A feeding cylinder is fixedly connected to the top of the two support blocks II. A feeding hopper is fixedly connected to the front side of the top of the outer wall of the feeding cylinder. A motor I is fixedly connected to the front side of the feeding cylinder. An auger is rotatably connected inside the feeding cylinder. The output end of the motor I passes through the inside of the feeding cylinder and is fixedly connected to the auger. A guide pipe is fixedly connected to the rear side of the bottom of the outer wall of the feeding cylinder. The bottom of the guide pipe is fixedly connected to the top of the device housing. A flow sensor is fixedly connected to the outer wall of the guide pipe. The central controller is electrically connected to the motor I and the flow sensor respectively.
[0008] A further improvement of the present invention is that the spiral stirring assembly includes a second motor, which is fixedly connected to the top front side of the base. The output end of the second support block is fixedly connected to a first pulley. The top of the fixed frame is fixedly connected to a fixed seat. A rotating rod is rotatably connected inside the fixed seat. The front end of the rotating rod passes through to the front side of the fixed seat and is fixedly connected to a second pulley. A belt is fitted on the outer wall of the second pulley and the first pulley.
[0009] A further improvement of this utility model is that: the rear end of the rotating rod extends into the interior of the device housing; the rotating rod is rotatably connected to the front and rear sides of the device housing; a number of equally spaced and staggered stirring rods are fixedly connected to the outer wall of the rotating rod inside the device housing; a spiral stirring rod is fixedly connected to the end of the stirring rods away from the rotating rod; and the central controller is electrically connected to the motor.
[0010] A further improvement of this utility model is that: the inner wall cleaning assembly includes a pulley three, which is fixedly connected to the outer wall of the rotating rod near the front side of the device housing. A reciprocating screw is rotatably connected to the right side of the inner wall on both the front and rear sides of the device housing. The front end of the reciprocating screw passes through to the front outer wall of the device housing and is fixedly connected to a pulley four. A belt two is sleeved on the outer wall of the pulley three and the pulley four. A sliding rod is fixedly connected to the left side of the inner wall on both the front and rear sides of the reciprocating screw. An annular scraper is threadedly connected to the outer wall of the reciprocating screw and is slidably connected to the outer wall of the sliding rod. The outer wall of the annular scraper is in contact with the inner wall of the device housing.
[0011] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:
[0012] 1. This utility model provides a flocculant dosing device. Through the spiral stirring component, the flocculant can move fully in all positions within the device, allowing it to be evenly dispersed in the entire medium to be treated, thereby improving the working efficiency of the entire device and its supporting treatment process. The quantitative feeding component can accurately deliver flocculant into the device according to the preset value, ensuring that the amount added each time meets the process requirements, avoiding waste due to excessive dosing, and also preventing insufficient dosing from causing incomplete flocculation, which would affect subsequent wastewater treatment processes such as sedimentation and filtration, and ensuring that the treated water quality consistently meets the standards.
[0013] 2. This utility model provides a flocculant dosing device. Through the set inner wall cleaning component, it can effectively remove the flocculant adhering to the inner wall of the device shell, allowing the flocculant and impurities to react fully and accurately according to the predetermined ratio, thereby improving the flocculation treatment effect. At the same time, it reduces the long-term contact between the flocculant and the inner wall of the device, reduces the possibility of corrosion, helps protect the integrity of the device shell, and prevents problems such as shell damage and leakage caused by corrosion, thereby effectively extending the service life of the entire flocculant dosing device. 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 schematic diagram of the isometric view structure of this utility model;
[0016] Figure 3 This is a schematic diagram of the internal structure of the present invention;
[0017] Figure 4 This is a schematic diagram of the quantitative feeding component of this utility model;
[0018] Figure 5 This is a schematic diagram of the spiral stirring assembly of this utility model;
[0019] Figure 6 This is a schematic diagram of the internal wall cleaning component of this utility model.
[0020] In the diagram: 10. Base; 11. Support block; 12. Device housing; 13. Fixing frame; 14. Central controller; 15. Discharge pipe; 16. Solenoid valve; 2. Quantitative feeding assembly; 20. Support block two; 21. Feeding cylinder; 22. Feed hopper; 23. Motor one; 24. Screw conveyor; 25. Guide pipe; 26. Flow sensor; 3. Spiral mixing assembly; 30. Motor two; 31. Pulley one; 32. Pulley two; 33. Fixing seat; 34. Rotating rod; 35. Mixing rod; 36. Spiral mixing rod; 4. Inner wall cleaning assembly; 40. Pulley three; 41. Pulley four; 42. Reciprocating screw; 43. Slide rod; 44. Annular scraper. Detailed Implementation
[0021] To make the technical means, creative features, objectives, and effects of this utility model easier to understand, the following describes this utility model in conjunction with specific embodiments:
[0022] like Figure 1-3 As shown, this utility model provides a flocculant dosing device, including a base 10, two support blocks 11 fixedly connected to the top of the base 10, a device housing 12 fixedly connected to the top of the support blocks 11, a fixing frame 13 fixedly connected to the top of the base 10 on the front side of the device housing 12, a central controller 14 fixedly connected to the left side of the fixing frame 13, a discharge pipe 15 fixedly connected to the bottom rear side of the device housing 12, a solenoid valve 16 electrically connected to the central controller 14 fixedly connected to the outer wall of the discharge pipe 15, a quantitative feeding component 2 on the top of the device housing 12, and a spiral stirring component 3 and an inner wall cleaning component 4 arranged inside and on the front side of the device housing 12.
[0023] The base 10 is made of a sturdy metal material such as stainless steel, which has sufficient strength and stability to support the weight of the entire device. The outer shell 12 is a cylindrical structure, and its material is made of corrosion-resistant plastic such as polyvinyl chloride to adapt to the corrosiveness that the flocculant may have. The central controller 14 is model S7-200SMART, which is used to control the operating status and other parameters of various electrically driven components in the device. The solenoid valve 16 is model 2W-160-15, which can accurately control the opening and closing of the discharge according to the instructions of the central controller 14.
[0024] like Figure 4As shown, the quantitative feeding assembly 2 includes two support blocks 20, which are fixedly connected to the top of the device housing 12. A feeding cylinder 21 is fixedly connected to the top of the two support blocks 20. A feeding hopper 22 is fixedly connected to the front side of the top of the outer wall of the feeding cylinder 21. A motor 23 is fixedly connected to the front side of the feeding cylinder 21. An auger 24 is rotatably connected inside the feeding cylinder 21. The output end of the motor 23 passes through the inside of the feeding cylinder 21 and is fixedly connected to the auger 24. A guide pipe 25 is fixedly connected to the rear side of the bottom of the outer wall of the feeding cylinder 21. The bottom of the guide pipe 25 is fixedly connected to the top of the device housing 12. A flow sensor 26 is fixedly connected to the outer wall of the guide pipe 25. The central controller 14 is electrically connected to the motor 23 and the flow sensor 26 respectively.
[0025] When quantitative feeding of flocculant is required, the flocculant is first added to the conveying cylinder 21 through the feed hopper 22. Then, the motor 23 is started, and the motor 23 drives the auger 24 to rotate inside the conveying cylinder 21. The auger 24 pushes the flocculant along the conveying cylinder 21 towards the guide pipe 25 through the rotation of the spiral blades. At the guide pipe 25, the flow sensor 26 monitors the flow rate of the flocculant in real time and transmits the flow signal to the central controller 14. The central controller 14 has the required feed flow rate value preset in it. When it receives the real-time flow signal from the flow sensor 26, it compares the set value with the actual flow rate value. If the actual flow rate is less than the set value, the controller will detect the flocculant flow rate. The central controller 14 controls the motor 23 to accelerate, thereby increasing the conveying speed of the auger 24 and increasing the feed flow. Conversely, if the actual flow exceeds the set value, the motor 23 is controlled to decelerate, thus precisely controlling the amount of flocculant entering the device housing 12 and achieving the function of quantitative feeding. Through the set quantitative feeding component 2, flocculant can be accurately delivered into the device according to the preset value, ensuring that the amount added each time meets the process requirements, avoiding waste due to excessive addition, and also preventing insufficient addition leading to incomplete flocculation, which would affect subsequent wastewater treatment processes such as sedimentation and filtration, and ensuring that the treated water quality meets the standards.
[0026] like Figure 5 , Figure 6 As shown, the spiral stirring assembly 3 includes a second motor 30, which is fixedly connected to the top front side of the base 10. The output end of the second support block 20 is fixedly connected to a first pulley 31. The top of the fixed frame 13 is fixedly connected to a fixed seat 33. A rotating rod 34 is rotatably connected inside the fixed seat 33. The front end of the rotating rod 34 passes through to the front side of the fixed seat 33 and is fixedly connected to a second pulley 32. A belt is fitted on the outer wall of the second pulley 32 and the first pulley 31.
[0027] like Figure 5 , Figure 6As shown, the rear end of the rotating rod 34 extends into the interior of the device housing 12. The rotating rod 34 is rotatably connected to the front and rear sides of the device housing 12. Several equally spaced and staggered stirring rods 35 are fixedly connected to the outer wall of the rotating rod 34 inside the device housing 12. A spiral stirring rod 36 is fixedly connected to one end of the stirring rod 35 away from the rotating rod 34. The central controller 14 is electrically connected to the motor 30.
[0028] After the quantitative feeding is completed, the flocculant entering the outer shell 12 of the device needs to be fully stirred and mixed. The central controller 14 starts the second motor 30. The rotation of the second motor 30 drives the connected pulley 31 to rotate. Since the first pulley 31 and the second pulley 32 are connected by the first belt, the second pulley 32 also rotates, thereby driving the rotating rod 34 to rotate. The rotating rod 34 rotates stably under the rotational connection on the front and rear sides of the outer shell 12. The multiple equally spaced and staggered stirring rods 35 fixed on its outer wall and the spiral stirring rods 36 connected to the ends of the stirring rods 35 will rotate with it. The rod 34 rotates together, and the stirring rod 35 stirs the flocculant through circumferential motion within the device housing 12. In addition to circumferential stirring, the spiral stirring rod 36's spiral structure also causes the flocculant to tumble up and down within the device housing 12, ensuring that the flocculant is fully stirred in both horizontal and vertical directions, guaranteeing uniform mixing and achieving the ideal usage state. Through the spiral stirring component 3, the flocculant can move fully in various positions within the device, allowing it to be evenly dispersed throughout the medium to be treated, thereby improving the working efficiency of the entire device and its supporting treatment process.
[0029] like Figure 5 , Figure 6 As shown, the inner wall cleaning assembly 4 includes a pulley 3 40, which is fixedly connected to the outer wall of the rotating rod 34 near the front side of the device housing 12. A reciprocating screw 42 is rotatably connected to the right side of the inner wall of the front and rear sides of the device housing 12. The front end of the reciprocating screw 42 passes through to the outer wall of the front side of the device housing 12 and is fixedly connected to a pulley 41. A belt 2 is sleeved on the outer wall of the pulley 3 40 and the pulley 41. A sliding rod 43 is fixedly connected to the left side of the inner wall of the front and rear sides of the reciprocating screw 42. An annular scraper 44 is threadedly connected to the outer wall of the reciprocating screw 42 and is slidably connected to the outer wall of the sliding rod 43. The outer wall of the annular scraper 44 is in contact with the inner wall of the device housing 12.
[0030] While the rotating rod 34 rotates to perform stirring, the pulley 30 fixed on its outer wall also rotates. Because pulley 30 and pulley 41 are connected by belt 2, they drive the reciprocating screw 42 to rotate. When the reciprocating screw 42 rotates, according to the principle of screw drive, the annular scraper 44 will move back and forth along the slide rod 43. Its outer wall is in close contact with the inner wall of the device housing 12. During the reciprocating motion, the annular scraper 44 can scrape off the flocculant attached to the inner wall of the device housing 12, preventing flocculant residue from affecting subsequent dosing and stirring. This achieves an effective cleaning function for the inner wall of the device housing 12. Finally... After the stirring and cleaning are completed, the central controller 14 controls the solenoid valve 16 to open, and the fully stirred flocculant can flow out of the device through the discharge pipe 15 and be put into the corresponding use stage. The inner wall cleaning component 4 can effectively remove the flocculant adhering to the inner wall of the device shell 12, so that the flocculant and impurities can react fully and accurately according to the predetermined ratio, thereby improving the flocculation treatment effect. At the same time, it reduces the long-term contact between the flocculant and the inner wall of the device, reduces the possibility of corrosion, helps to protect the integrity of the device shell, and prevents problems such as shell damage and leakage caused by corrosion, thereby effectively extending the service life of the entire flocculant dosing device.
[0031] It should be noted that the flow sensor 26 is model OPTIFLUX 4300C, and the central controller 14, solenoid valve 16, and flow sensor 26 are all existing devices or equipment, or devices or equipment that can be implemented with existing technology. Their power supply, specific composition and principle are clear to those skilled in the art, so they will not be described in detail.
[0032] The working principle of this flocculant dosing device will be explained in detail below.
[0033] like Figure 1-6As shown, when the flocculant needs to be quantitatively added, the flocculant is first added to the conveying cylinder 21 through the feed hopper 22. Then, the motor 23 is started, and the motor 23 drives the auger 24 to rotate inside the conveying cylinder 21. The auger 24 pushes the flocculant along the conveying cylinder 21 towards the guide pipe 25 through the rotation of the spiral blades. At the guide pipe 25, the flow sensor 26 monitors the flow rate of the flocculant in real time and transmits the flow signal to the central controller 14. The central controller 14 has the required feed flow rate value preset in it. When it receives the real-time flow signal from the flow sensor 26, it compares the set value with the actual flow rate value. If the actual flow rate is higher than the set value, the central controller 14 will detect the higher flow rate. If the actual flow rate is less than the set value, the central controller 14 will control the motor 23 to accelerate, thereby increasing the conveying speed of the auger 24 and increasing the feed flow rate. Conversely, if the actual flow rate is greater than the set value, the central controller 14 will control the motor 23 to decelerate, thereby precisely controlling the amount of flocculant entering the device housing 12 and realizing the function of quantitative feeding. Through the set quantitative feeding component 2, the flocculant can be accurately delivered into the device according to the preset value, ensuring that the amount added each time meets the process requirements, avoiding waste due to excessive addition, and also preventing insufficient addition of chemicals from causing insufficient flocculation, affecting subsequent wastewater treatment processes such as sedimentation and filtration, and ensuring that the treated water quality meets the standards stably.
[0034] After the quantitative feeding is completed, the flocculant entering the outer shell 12 of the device needs to be fully stirred and mixed. The central controller 14 starts the second motor 30. The rotation of the second motor 30 drives the connected pulley 31 to rotate. Since the first pulley 31 and the second pulley 32 are connected by the first belt, the second pulley 32 also rotates, thereby driving the rotating rod 34 to rotate. The rotating rod 34 rotates stably under the rotational connection on the front and rear sides of the outer shell 12. The multiple equally spaced and staggered stirring rods 35 fixed on its outer wall and the spiral stirring rods 36 connected to the ends of the stirring rods 35 will rotate with it. The rod 34 rotates together, and the stirring rod 35 stirs the flocculant through circumferential motion within the device housing 12. In addition to circumferential stirring, the spiral stirring rod 36's spiral structure also causes the flocculant to tumble up and down within the device housing 12, ensuring that the flocculant is fully stirred in both horizontal and vertical directions, guaranteeing uniform mixing and achieving the ideal usage state. Through the spiral stirring component 3, the flocculant can move fully in various positions within the device, allowing it to be evenly dispersed throughout the medium to be treated, thereby improving the working efficiency of the entire device and its supporting treatment process.
[0035] While the rotating rod 34 rotates to perform stirring, the pulley 30 fixed on its outer wall also rotates. Because pulley 30 and pulley 41 are connected by belt 2, they drive the reciprocating screw 42 to rotate. When the reciprocating screw 42 rotates, according to the principle of screw drive, the annular scraper 44 will move back and forth along the slide rod 43. Its outer wall is in close contact with the inner wall of the device housing 12. During the reciprocating motion, the annular scraper 44 can scrape off the flocculant attached to the inner wall of the device housing 12, preventing flocculant residue from affecting subsequent dosing and stirring. This achieves an effective cleaning function for the inner wall of the device housing 12. Finally... After the stirring and cleaning are completed, the central controller 14 controls the solenoid valve 16 to open, and the fully stirred flocculant can flow out of the device through the discharge pipe 15 and be put into the corresponding use stage. The inner wall cleaning component 4 can effectively remove the flocculant adhering to the inner wall of the device shell 12, so that the flocculant and impurities can react fully and accurately according to the predetermined ratio, thereby improving the flocculation treatment effect. At the same time, it reduces the long-term contact between the flocculant and the inner wall of the device, reduces the possibility of corrosion, helps to protect the integrity of the device shell, and prevents problems such as shell damage and leakage caused by corrosion, thereby effectively extending the service life of the entire flocculant dosing device.
[0036] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.
Claims
1. A flocculant dosing device, comprising a base (10), characterized in that: Two support blocks (11) are fixedly connected to the top of the base (10). A device housing (12) is fixedly connected to the top of the support blocks (11). A fixing frame (13) is fixedly connected to the top of the base (10) on the front side of the device housing (12). A central controller (14) is fixedly connected to the left side of the fixing frame (13). A discharge pipe (15) is fixedly connected to the bottom rear side of the device housing (12). A solenoid valve (16) electrically connected to the central controller (14) is fixedly connected to the outer wall of the discharge pipe (15). A quantitative feeding assembly (2) is provided on the top of the device housing (12). A spiral stirring assembly (3) and an inner wall cleaning assembly (4) are provided inside and on the front side of the device housing (12).
2. The flocculant dosing device according to claim 1, characterized in that: The quantitative feeding assembly (2) includes two support blocks (20), which are fixedly connected to the top of the device housing (12). A feeding cylinder (21) is fixedly connected to the top of the two support blocks (20). A feeding hopper (22) is fixedly connected to the front side of the top of the outer wall of the feeding cylinder (21). A motor (23) is fixedly connected to the front side of the feeding cylinder (21). An auger (24) is rotatably connected inside the feeding cylinder (21). The output end of the motor (23) passes through the inside of the feeding cylinder (21) and is fixedly connected to the auger (24). A guide pipe (25) is fixedly connected to the rear side of the bottom of the outer wall of the feeding cylinder (21). The bottom of the guide pipe (25) is fixedly connected to the top of the device housing (12). A flow sensor (26) is fixedly connected to the outer wall of the guide pipe (25). The central controller (14) is electrically connected to the motor (23) and the flow sensor (26) respectively.
3. The flocculant dosing device according to claim 2, characterized in that: The spiral stirring assembly (3) includes a second motor (30), which is fixedly connected to the top front side of the base (10). The output end of the second support block (20) is fixedly connected to a pulley (31). The top of the fixed frame (13) is fixedly connected to a fixed seat (33). The inside of the fixed seat (33) is rotatably connected to a rotating rod (34). The front end of the rotating rod (34) extends through to the front side of the fixed seat (33) and is fixedly connected to a second pulley (32). The outer walls of the second pulley (32) and the first pulley (31) are fitted with a belt.
4. The flocculant dosing device according to claim 3, characterized in that: The rear end of the rotating rod (34) extends into the interior of the device housing (12). The rotating rod (34) is rotatably connected to the front and rear sides of the device housing (12). The rotating rod (34) is fixedly connected to the outer wall inside the device housing (12) with several equally spaced and staggered stirring rods (35). The ends of the stirring rods (35) away from the rotating rod (34) are fixedly connected to a spiral stirring rod (36). The central controller (14) is electrically connected to the motor (30).
5. The flocculant dosing device according to claim 4, characterized in that: The inner wall cleaning assembly (4) includes a pulley three (40), which is fixedly connected to the outer wall of the rotating rod (34) near the front side of the device housing (12). A reciprocating screw (42) is rotatably connected to the right side of the inner wall of the front and rear sides of the device housing (12). The front end of the reciprocating screw (42) extends through to the front outer wall of the device housing (12) and is fixedly connected to a pulley four (41). A belt two is sleeved on the outer wall of the pulley three (40) and the pulley four (41). A slide rod (43) is fixedly connected to the left side of the inner wall of the front and rear sides of the reciprocating screw (42). An annular scraper (44) is threadedly connected to the outer wall of the reciprocating screw (42) and is slidably connected to the outer wall of the slide rod (43). The outer wall of the annular scraper (44) is in contact with the inner wall of the device housing (12).