A composite purifier for industrial wastewater treatment
The composite purification device, which combines multiple filtration and chemical reactions, solves the problems of uneven chemical dissolution and incomplete heavy metal treatment in industrial wastewater treatment, achieving efficient pollutant removal and water purification.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO QINJIE ENVIRONMENTAL TECH CO LTD
- Filing Date
- 2025-08-26
- Publication Date
- 2026-07-24
AI Technical Summary
In existing industrial wastewater treatment methods, disinfectants dissolve unevenly and slowly, resulting in incomplete purification and inadequate removal of heavy metal particles, which affects the quality of wastewater discharge.
The multi-stage filtration device includes a first filter frame and a second filter frame. With the help of chemical reagents, solid foreign matter is removed through primary and secondary filtration. A chemical reaction takes place in the purification mixing cylinder to generate precipitates, removing heavy metal particles and other pollutants.
It achieves complete removal of pollutants from wastewater, improves treatment efficiency, reduces the amount of chemical reagents used, and purifies water to meet discharge standards.
Smart Images

Figure CN224548240U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of wastewater purification devices, and more specifically, to a composite purification device for industrial wastewater treatment. Background Technology
[0002] Industrial wastewater refers to wastewater and waste liquid generated during industrial production. Because it contains various toxic substances, direct discharge would pollute the environment. Therefore, wastewater is usually treated to meet discharge standards before being released. Currently, most industrial wastewater treatment methods involve manually adding large quantities of disinfectants based on the degree of pollution and the volume of wastewater. These disinfectants are directly added to the wastewater treatment device, resulting in rapid settling, uneven dissolution, and slow dissolution, leading to incomplete purification. Other methods involve filtration and impurity removal devices to remove solid impurities before disinfection, but these are insufficient for treating heavy metal particles and other pollutants, affecting discharge. Therefore, a composite purification device for industrial wastewater treatment is proposed. Utility Model Content
[0003] (a) Technical problems to be solved
[0004] To address at least one of the aforementioned problems, this utility model first provides a composite purification device for industrial wastewater treatment. It is designed with multiple filtration devices to remove solid foreign matter, and uses chemical reagents to remove heavy metal particles and other chemical particles, thereby removing all pollutants from the wastewater and improving wastewater treatment efficiency.
[0005] (II) Technical Solution
[0006] To solve the aforementioned technical problem, this utility model provides a composite purification device for industrial wastewater treatment, including a purification mixing cylinder, a first filter frame, and a second filter frame. The purification mixing cylinder is disposed inside a working tank, with a mounting platform at its top and a filter groove on the platform. The second filter frame is disposed on the bottom panel of the filter groove, and the first filter frame is fixedly disposed at the center of the top of the working tank, suspended above the filter groove. A mixing device is disposed inside the purification mixing cylinder and electrically connected to a working control terminal. A settling base is disposed at the bottom of the purification mixing cylinder. During operation, industrial wastewater is discharged into the purification device from the first filter frame, undergoes primary filtration through the first filter frame, then falls into the filter groove where it undergoes secondary filtration by the second filter frame, and finally falls into the purification mixing cylinder where chemical reagents are added and stirred. This causes heavy metal particles and unfiltered suspended matter carried by the water to settle and accumulate on the settling base.
[0007] Furthermore, the first filter frame is configured as a square, vertically extending filter device, and the four sets of vertical frames and the bottom plate of the first filter frame are all configured as filter plates.
[0008] Furthermore, the second filter frame is configured as a filter plate structure that is inclined from top to bottom towards the feed pipe, and the filter tank is provided with a mud-pushing plate at the upper end of the second filter frame.
[0009] Furthermore, the pusher plate is provided with connecting ears at both ends, and the connecting ears extend into the movable groove of the filter tank respectively. The connecting ears are respectively spirally connected to a set of rotating screws. The two sets of rotating screws are respectively provided with a set of bevel gears at the outer end of the filter tank, and a set of bidirectional motors is provided between the two sets of bevel gears.
[0010] Furthermore, the upper end of the guide pipe passes through the working tank and is provided with a discharge port, the bottom of the guide pipe is provided with a mud-guiding motor, and the inner cavity of the guide pipe is provided with a spiral frame.
[0011] Furthermore, the mixing device includes an upper rotating seat, a rotating rod at the bottom of the upper rotating seat, a plurality of transverse supports on the rotating rod, a set of side frames at the outer ends of the transverse supports on the same side, a plurality of side scrapers on the side frames, a set of bottom frames between the side frames and the bottom of the rotating rod, and a plurality of bottom scrapers at the lower end of the bottom frames.
[0012] Furthermore, the bottom of the working tank is provided with a bottom-mounted rotating mounting frame, the bottom-mounted rotating mounting frame is provided with a rotating bracket, the bottom of the rotating bracket is provided with a stirring motor, the output end of the stirring motor is provided with a second bevel gear adjusting box, the output end of the second bevel gear adjusting box is provided with a rotating shaft, and the rotating shaft is fixedly connected to the rotating rod through a connecting frame.
[0013] (III) Beneficial Effects
[0014] This utility model provides a composite purification device for industrial wastewater treatment, which includes a first filter frame and a second filter frame for treating solid foreign matter. These filters can remove as much foreign matter as possible from the wastewater flow. An activated carbon adsorption frame is installed in the mounting platform to adsorb pollutants carried in the flowing wastewater. Finally, the wastewater settles in a purification mixing cylinder where chemical reagents catalytically oxidize various pollutant particles or generate precipitates for sedimentation and retention, completely removing pollutant particles. The purified water, after sedimentation, is filtered through a filter membrane on the outlet pipe before being discharged. The treated purified water does not carry solid foreign matter, suspended foreign matter, or heavy metal pollutant ions, meeting discharge standards, saving reagents and disinfection chemicals, and improving the practicality of the purification device. Attached Figure Description
[0015] Figure 1This is a schematic diagram of the structure of the composite purification device according to an embodiment of the present utility model;
[0016] Figure 2 This is a right view of the composite purification device according to an embodiment of the present invention;
[0017] Figure 3 This is a schematic diagram of the internal structure of the composite purification device according to an embodiment of the present utility model;
[0018] Figure 4 for Figure 3 Enlarged view of section A;
[0019] Figure 5 This is a schematic diagram of the connection structure of the mud pusher plate in an embodiment of the present utility model;
[0020] Figure 6 This is a schematic diagram of the connection structure of the mixing device according to an embodiment of the present utility model;
[0021] Figure 7 This is a schematic diagram of the connection structure of the stirring motor in an embodiment of the present utility model;
[0022] Figure 8 This is a schematic diagram of the mixing device according to an embodiment of the present invention.
[0023] Explanation of reference numerals in the attached figures:
[0024] 1 is the working tank, 2 is the first filter frame, 3 is the feed pipe, 4 is the working control end, 5 is the water outlet pipe, 6 is the filter tank, 7 is the second filter frame, 8 is the mud pusher, 81 is the moving tank, 82 is the rotating screw, 83 is the bevel gear, 84 is the bidirectional motor, 9 is the mud guide motor, 10 is the reagent addition port, 11 is the placement platform, 12 is the purification mixing cylinder, 13 is the settling base, 14 is the settling outlet, 15 is the rotating rod, 16 is the upper rotating seat, 17 is the horizontal support, 18 is the side frame, 19 is the side scraper, 20 is the bottom frame, 21 is the bottom scraper, 22 is the bottom rotating mounting frame, 23 is the stirring motor, 24 is the rotating shaft, 25 is the rotating support, 26 is the exhaust pipe, and 27 is the upper drain outlet. Detailed Implementation
[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0026] See Figures 1 to 8This utility model provides a composite purification device for industrial wastewater treatment, including a purification mixing cylinder 12, a first filter frame 2, and a second filter frame 7. The purification mixing cylinder 12 is disposed inside a working tank 1. A mounting platform 11 is provided on the top of the purification mixing cylinder 12, and a filter groove 6 is provided on the mounting platform 11. The second filter frame 7 is disposed on the bottom panel of the filter groove 6. The first filter frame 2 is fixedly disposed at the top center of the working tank 1 and is suspended above the filter groove 6. A mixing device is provided inside the purification mixing cylinder 12, and the mixing device is electrically connected to a working control terminal 4. The bottom is equipped with a settling base 13, the edge of which is connected to the settling outlet 14. The settling outlet 14 is equipped with a control valve. During operation, industrial wastewater is discharged into the purification device from the first filter frame 2. After primary filtration by the first filter frame 2, it falls into the filter tank 6 and undergoes secondary filtration by the second filter frame 7. Finally, it falls into the purification mixing cylinder 12, where chemical reagents are added and stirred. The heavy metal particles and unfiltered suspended matter carried by the water settle and accumulate on the settling base 13. When the settling reaches a certain amount, the control valve is opened and the settling flows out of the settling outlet 14.
[0027] The first filter frame 2 is fixedly installed on the top structure of the working tank 1, and is suspended above the filter tank 6. Industrial wastewater is discharged into the first filter frame 2, and the large particulate matter carried by the industrial wastewater is removed by the multiple sets of filtration processes of the first filter frame 2. After that, the wastewater falls into the filter tank 6, where the second filter frame 7 removes small particulate matter, further reducing the amount of foreign matter carried by the industrial wastewater. The fully filtered industrial wastewater reacts with chemical reagents in the purification mixing cylinder 12, reducing the heavy metal particles and other metal cations contained therein to metal oxides or other types of precipitates. These substances accumulate in large quantities on the side wall of the purification mixing cylinder 12 or on the settling base 13. When the sediment reaches a certain amount, the sediment can be pushed to the settling outlet 14 by the side scraper 19 and the bottom scraper 21 and flow out. The sediment can be collected, extracted and reused, which can effectively remove metal pollutants carried in the wastewater and improve the wastewater treatment effect.
[0028] Chemical reagents may include heavy metal chelating agents, which are applicable to the treatment of various heavy metal particles, precipitating heavy metal particles carried by heavy industry in wastewater to form precipitates; they may also include reducing agents with good redox properties, such as sulfiding agents and coagulants, which can reduce other metal cations into metal oxides or other types of precipitates, ensuring the treatment effect of particle precipitation; these chemical reagents can be added directly to wastewater, are simple to operate, and have a wide removal range.
[0029] The placement platform 11 is equipped with a replaceable activated carbon adsorption rack in the water passage, which can adsorb existing solid impurities and most pollutants that have not been filtered, reduce the amount of chemical reagents used and the reaction time required for wastewater treatment, and improve treatment efficiency.
[0030] The mounting platform 11 is equipped with multiple reagent addition ports 10 next to the mud guiding motor 9. The guide pipe connected to the reagent addition port 10 extends to the working tank 1 and is set next to the working control terminal 4, which facilitates the direct addition of chemical reagents and disinfectants into the purification mixing cylinder 12. The working control terminal 4 can adjust the wastewater flow rate, the speed of each motor, the amount of reagent added, the addition node, the drainage and exhaust node and the sewage discharge node, so as to realize the automated operation of the purification device.
[0031] See Figure 1 and Figure 3 The first filter frame 2 is a square vertically extending filter device. The four sets of vertical frames and the bottom plate of the first filter frame 2 are all filter plates, which facilitates the use of each vertical frame in conjunction with the bottom plate to complete the preliminary filtration process. In this embodiment, a square filter structure is used as the first filter device. In other embodiments, the specific design structure of the filter frame is not limited.
[0032] See Figures 3 to 5 The second filter frame 7 is a filter plate structure that is inclined from top to bottom to guide the feed pipe 3. The filter tank 6 is provided with a pusher plate 8 at the upper end of the second filter frame 7. In this embodiment, the feed pipe 3 is set in front of the filter tank 6, and the rear end of the second filter frame 7 is set higher than the front end. That is, the foreign objects accumulated on the second filter frame 7 will move forward under the pusher plate 8 and gravity. The feed end of the feed pipe 3 is connected to the bottom of the front end of the filter tank 6, and the front end of the filter tank 6 is provided with two sets of arc-shaped guide frames to guide the foreign objects into the feed end, and the foreign objects are discharged by the feed pipe 3.
[0033] The pusher plate 8 has connecting ears at both ends, which extend into the movable trough 81 of the filter tank 6. The connecting ears are screwed to a set of rotating screws 82. The two sets of rotating screws 82 are equipped with a set of bevel gears 83 at the outer end of the filter tank 6. A bidirectional motor 84 is provided between the two sets of bevel gears 83. The movable trough 81 is set parallel to the second filter frame 7, that is, the rotating screws 82 are also set parallel to the second filter frame 7. When the bidirectional motor 84 rotates, it causes the two sets of bevel gears 83 to rotate at the same frequency, which drives the two sets of rotating screws 82 to rotate synchronously, causing the pusher plate 8 to move back and forth. This pushes the foreign objects on the second filter frame 7 to the feed end of the guide pipe 3. The distance between the movable trough 81 and the second filter frame 7 is relatively far. After filtration, the foreign objects will be pushed out and cleaned immediately, and will not accumulate at the location of the movable trough 81, which will have a negative impact on the moving device.
[0034] See Figure 3The upper end of the guide pipe 3 passes through the working tank 1 and has a discharge port. The bottom of the guide pipe 3 is equipped with a mud-guiding motor 9. The inner cavity of the guide pipe 3 is equipped with a spiral frame. Each set of spiral blades of the spiral frame is infinitely close to the inner wall of the guide pipe 3. The mud-guiding motor 9 is connected to the spiral frame and is equipped with a first bevel gear adjustment box. After the output direction of the mud-guiding motor 9 is adjusted by the first bevel gear adjustment box, it drives the spiral frame to rotate at a constant speed, continuously discharging foreign objects flowing into the guide pipe 3 and outputting them from the discharge port. This allows the cleaning of the second filter frame 7 to be completed without disassembling the working tank 1, ensuring that the second filter frame 7 can work continuously.
[0035] See Figures 6 to 8 The mixing device includes an upper rotating seat 16, with a rotating rod 15 at the bottom of the upper rotating seat 16. Several transverse supports 17 are mounted on the rotating rod 15. A set of side supports 18 is mounted on the outer end of each of the transverse supports 17 on the same side. Multiple sets of side scrapers 19 are mounted on each side support 18. A set of bottom supports 20 is mounted between the side supports 18 and the bottom of the rotating rod 15. Multiple sets of bottom scrapers 21 are mounted at the lower end of each bottom support 20. The upper rotating seat 16 is connected to and fixedly connected to the mounting platform 11. The upper rotating seat 16 is configured with... The rotating bearing is rotatably connected to the rotating rod 15. The rotating rod 15 rotates at a constant speed under the drive of the stirring motor 23, which drives multiple sets of horizontal supports 17 and bottom frame 20 to rotate at the same frequency. This fully stirs the industrial wastewater and chemical reagents added to the purification mixing cylinder 12, accelerating the reaction of various particles dissolved in the wastewater with the chemical reagents to generate metal oxides or other solid substances. When the stirring motor 23 stops rotating for a period of time, the wastewater stops rotating, causing the solid substances in the wastewater to settle and accumulate on the settling base 13.
[0036] The amount of particles carried in the wastewater will affect the amount of sediment. After the wastewater is purified, the sediment may adhere to the inner wall of the purification mixing cylinder 12. The side frame 18 and the bottom frame 20 are set as inclined hard rubber plates. After the purified water is discharged, the control valve is opened and the stirring motor 23 is started again. The side frame 18 and the bottom frame 20 are used to scrape the sediment off and let it flow out from the sediment outlet 14.
[0037] The bottom of the working tank 1 is provided with a bottom rotating mounting frame 22, on which a rotating bracket 25 is provided. At the bottom of the rotating bracket 25 is a stirring motor 23. The output end of the stirring motor 23 is provided with a second bevel gear adjustment box, and the output end of the second bevel gear adjustment box is provided with a rotating shaft 24. The rotating shaft 24 is fixedly connected to the rotating rod 15 through a connecting frame. The bottom rotating mounting frame 22 establishes the setting of the rotating bracket 25 on the working tank 1, thereby completing the installation of the stirring motor 23 and the second bevel gear adjustment box. The stirring motor 23 drives the rotating rod 15 to rotate through the rotating shaft 24. By setting the bottom rotating mounting frame 22, the direct contact between the stirring motor 23 and the purification mixing cylinder 12 is isolated. The bottom rotating mounting frame 22 is connected to the bracket of the working tank 1, which can reduce the negative impact of the vibration of the stirring motor 23 and the mixing device on the purification mixing cylinder 12.
[0038] The working tank 1 is equipped with a water outlet pipe 5, which extends into the working tank 1 and connects to the purification mixing cylinder 12. The outer end of the water outlet pipe 5 is equipped with a connecting end, which connects to an external water guide pipe. The water outlet pipe 5 is located at the lower end of the purification mixing cylinder 12. While leaving sedimentation space for the sediment, it is as close as possible to the lower end of the purified water body, so as to facilitate the extraction of purified water from the purification mixing cylinder 12 as much as possible, thereby reducing the negative impact of stagnant water on the discharge and extraction of sediment.
[0039] A fitting frame is provided at the center of the connection end at the water outlet end. The fitting frame protrudes from the connection end and is a magnetic ring frame. A ring filter seat with a filter membrane is fitted on the fitting frame. An outer ring body is provided on the water guide pipe to wrap around the ring filter seat. The outer ring body is then placed on the ring filter seat to establish a stable installation of the ring filter seat. The ring filter seat is also a magnetic structure, which can work with the magnetic ring frame of the fitting frame to enhance the firmness of the connection with the water outlet pipe 5. The filter membrane can remove fine substances carried in the purified water and improve the purification quality of the water as much as possible.
[0040] The working tank 1 is equipped with an exhaust pipe 26 at the rear end. The exhaust pipe 26 is connected to the top of the inner cavity of the purification mixing cylinder 12, which can exhaust the gas generated by the reaction of the added chemical reagents. Next to the exhaust pipe 26, there is an upper drain outlet 27, which can collect water containing suspended matter and remove the suspended matter contained in the purified water.
[0041] This utility model provides a composite purification device for industrial wastewater treatment, which integrates physical filtration devices such as a first filter frame 2 and a second filter frame 7 to remove large particles carried in the wastewater, and chemical reaction devices such as a purification mixing cylinder 12 for chemical reaction, as well as various reagent addition devices, mixing devices, and discharge devices. It can oxidize or directly generate precipitates in the filtered wastewater to extract heavy metals or other pollutants, remove target substances carried in the wastewater, and disinfect it to meet discharge standards, resulting in non-toxic and harmless purified water that can be discharged or reused in production, thus avoiding environmental pollution and resource waste.
[0042] Although the disclosure is as stated above, the scope of protection of this disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of this disclosure, and all such changes and modifications will fall within the protection scope of this utility model.
Claims
1. A composite purification device for industrial wastewater treatment, characterized in that, The system includes a purification mixing cylinder (12), a first filter frame (2), and a second filter frame (7). The purification mixing cylinder (12) is installed inside the working tank (1). The top of the purification mixing cylinder (12) is provided with a mounting platform (11), and a filter groove (6) is provided on the mounting platform (11). The second filter frame (7) is installed on the bottom panel of the filter groove (6). The first filter frame (2) is fixedly installed at the center of the top of the working tank (1) and is suspended above the filter groove (6). The inner cavity of the purification mixing cylinder (12) A mixing device is provided, which is electrically connected to the working control terminal (4). The bottom of the purification mixing cylinder (12) is provided with a settling base (13). During operation, industrial wastewater is discharged from the first filter frame (2) into the purification device, and after primary filtration through the first filter frame (2), it falls into the filter tank (6) and is subjected to secondary filtration by the second filter frame (7). Finally, it falls into the purification mixing cylinder (12), where chemical reagents are added and stirred to settle and accumulate the heavy metal particles and unfiltered floating matter carried by the water on the settling base (13).
2. The composite purification device for industrial wastewater treatment according to claim 1, characterized in that, The first filter frame (2) is a square vertically extending filter device, and the four sets of vertical frames and the bottom plate of the first filter frame (2) are all filter plates.
3. The composite purification device for industrial wastewater treatment according to claim 1, characterized in that, The second filter frame (7) is configured as a filter plate structure that is inclined from top to bottom to guide the feed tube (3), and the filter tank (6) is provided with a mud pusher (8) at the upper end of the second filter frame (7).
4. The composite purification device for industrial wastewater treatment according to claim 3, characterized in that, The pusher plate (8) has connecting ears at both ends. The connecting ears extend into the movable groove (81) of the filter tank (6). The connecting ears are respectively connected to a set of rotating screws (82). The two sets of rotating screws (82) are respectively provided with a set of bevel gears (83) at the outer end of the filter tank (6). A set of bidirectional motors (84) is provided between the two sets of bevel gears (83).
5. The composite purification device for industrial wastewater treatment according to claim 3, characterized in that, The upper end of the guide pipe (3) passes through the working tank (1) and is provided with a discharge port. The bottom of the guide pipe (3) is provided with a mud-guiding motor (9), and the inner cavity of the guide pipe (3) is provided with a spiral frame.
6. The composite purification device for industrial wastewater treatment according to claim 1, characterized in that, The mixing device includes an upper rotating seat (16), a rotating rod (15) at the bottom of the upper rotating seat (16), a plurality of horizontal supports (17) on the rotating rod (15), a set of side supports (18) at the outer end of the horizontal supports (17) on the same side, a plurality of side scrapers (19) on the side supports (18), a set of bottom supports (20) between the side supports (18) and the bottom of the rotating rod (15), and a plurality of bottom scrapers (21) at the lower end of the bottom supports (20).
7. The composite purification device for industrial wastewater treatment according to claim 6, characterized in that, The bottom of the working tank (1) is provided with a bottom rotating mounting frame (22), and a rotating bracket (25) is provided on the bottom rotating mounting frame (22). A stirring motor (23) is provided at the bottom of the rotating bracket (25). A second bevel gear adjustment box is provided at the output end of the stirring motor (23). A rotating shaft (24) is provided at the output end of the second bevel gear adjustment box. The rotating shaft (24) is fixedly connected to the rotating rod (15) through a connecting frame.