Wastewater primary filtering device for pigment production
By combining the siphon principle with a screening structure, the problems of low treatment efficiency and easy clogging in the primary filtration device for pigment production wastewater are solved, achieving efficient solid-liquid separation and environmentally friendly solid matter discharge, and reducing equipment maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LIAONING HONGGANG CHEM CO LTD
- Filing Date
- 2025-06-04
- Publication Date
- 2026-05-26
AI Technical Summary
Existing primary filtration devices for pigment production wastewater have low treatment efficiency, are prone to clogging, and are difficult to quickly and effectively separate solid substances from liquids in wastewater. Furthermore, the equipment maintenance costs are high.
Employing the siphon principle and screening structure, solid-liquid separation is achieved through a J-type siphon tube, combined with an N-type screening tube and circulating feed blades to prevent clogging. Adjustment components and horn-shaped rubber rings are used to regulate the direction and flow rate of liquid diversion, adapting to different water quality changes.
It improves solid-liquid separation efficiency, prevents pipeline blockage, reduces equipment maintenance costs, avoids secondary pollution caused by traditional pumping, and ensures the stability and environmental friendliness of the treatment effect.
Smart Images

Figure CN224270487U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pigment production technology, specifically to a wastewater pre-filtration device for pigment production. Background Technology
[0002] The pigment production process generates a large amount of wastewater, which typically contains high concentrations of suspended solids (such as pigment particles and resin), heavy metal ions (such as lead and chromium), organic solvents, and acidic or alkaline substances. This results in a heavy filtration load on the initial wastewater filtration stage. However, existing wastewater filtration systems for pigment production suffer from several problems: low treatment efficiency: it is difficult to quickly and effectively separate solids from liquids in the wastewater, leading to a lengthy overall treatment process that cannot meet production demands. Equipment prone to clogging: due to the large amount of impurities in the wastewater, these impurities easily accumulate inside the equipment during treatment, causing pipe blockages, affecting normal equipment operation, and increasing maintenance costs. Therefore, this project was developed to address these issues through in-depth research. Utility Model Content
[0003] To achieve the above objectives, this utility model provides the following technical solution: a primary filtration device for wastewater from pigment production, comprising: a filtration sedimentation tank, a filter support, an N-type sieve pipe, a siphon J-type drain pipe, a sieving structure, and a draining structure. The filtration sedimentation tank is mounted on the filter support, the N-type sieve pipe is inserted into the bottom of the filtration sedimentation tank and connected to the filter support, the siphon J-type drain pipe is inserted into the filtration sedimentation tank, the sieving structure is mounted on the N-type sieve pipe, and the draining structure is connected to the siphon J-type drain pipe. The sieving structure includes: a trumpet-shaped aggregating plate, a circulating feeding shaft, a circulating feeding drive, circulating feeding blades, a partition plate, multiple J-type siphon pipes, a feeding shaft pipe, multiple trumpet-shaped rubber rings, and an adjusting assembly.
[0004] The horn-shaped aggregating plate is installed at the bottom of the filter sedimentation tank. The circulating feeding shaft is inserted into the N-type screening pipe. The driving end of the circulating feeding drive is connected to the circulating feeding shaft. The circulating feeding blades are installed on the circulating feeding shaft. The partition plate is installed inside the filter sedimentation tank. Several J-type siphon tubes are evenly inserted into the partition plate. The feeding shaft tube is inserted into the filter sedimentation tank and the partition plate. Several horn-shaped rubber rings are respectively installed inside the several J-type siphon tubes. The adjusting component is fitted onto the several J-type siphon tubes.
[0005] Preferably, the adjustment assembly includes: multiple circular magnets, multiple adjusting magnetic rings, multiple lifting and adjusting shaft tubes, a lifting ring, a stretching circular magnet, and a stretching circular electromagnet;
[0006] The filter sedimentation tank is provided with a lifting ring groove, the lifting ring slide is inserted into the lifting ring groove, the stretching ring electromagnet is installed on the partition plate, the stretching ring magnet is installed on the lifting ring, multiple ring magnets are respectively installed on multiple horn-shaped rubber rings, multiple lifting adjustment shaft tubes are evenly inserted into the lifting ring, and multiple lifting adjustment shaft tubes are respectively movably fitted onto multiple J-shaped siphon tubes, and multiple adjustment magnet rings are respectively installed on multiple lifting adjustment shaft tubes.
[0007] Preferably, the drainage structure includes: a lifting inner tube, a lifting blocking tube, a lifting limiting stretching ring, a lifting stretching ring, a stretching ring electromagnet, and a stretching ring magnet.
[0008] The lifting inner tube is connected to the siphon J-type drainage tube through the lifting shielding tube. The lifting limiting tension ring is installed on the siphon J-type drainage tube. The lifting tension ring is installed on the lifting inner tube. The tension ring electromagnet is installed on the lifting limiting tension ring. The tension ring magnet is installed on the lifting tension ring.
[0009] Preferably, the filtration sedimentation tank is equipped with a level gauge.
[0010] Preferably, the filter sedimentation tank is equipped with a drain valve.
[0011] Preferably, a flow valve is provided on the feeding shaft tube. Beneficial effects
[0012] This invention provides a primary filtration device for wastewater from pigment production. It offers the following advantages: Utilizing the siphon principle and a screening structure, the upper liquid layer of the wastewater, after settling, is guided through multiple J-shaped siphon tubes to the top of a separator plate, achieving effective solid-liquid separation and significantly improving separation efficiency. Solid matter remains at the bottom of the separator plate, while the liquid is guided through the siphon tubes, effectively reducing the filtration load. The N-shaped screening tube works in conjunction with circulating feed blades; the circulating feed drive rotates the circulating feed shaft and blades, pushing the precipitated solid particles along the inclined pipe for discharge, preventing pipe blockage. The design of the adjustment component and the horn-shaped rubber ring allows for adjustment of the horn-shaped rubber ring direction through the magnetic adsorption of electromagnets and magnets, flexibly controlling the liquid flow direction and flow rate. It can also adaptively adjust according to liquid level changes, ensuring stable treatment results. Furthermore, the siphon flow avoids secondary pollution caused by traditional pumping, and the centralized and controllable discharge of solid matter reduces environmental pollution risks, comprehensively improving the treatment efficiency and environmental friendliness of the primary wastewater filtration process. Attached Figure Description
[0013] Figure 1This is a schematic diagram of the structure of a primary filtration device for wastewater in pigment production according to the present invention.
[0014] Figure 2 This is a partially enlarged structural diagram of position A of the pre-filtration device for wastewater in pigment production according to the present invention.
[0015] Figure 3 This is a partially enlarged structural diagram of position B of the wastewater pre-filtration device for pigment production described in this utility model.
[0016] In the diagram: 1. Filter sedimentation tank; 2. Filter support; 3. N-type screening pipe; 4. Siphon J-type diversion pipe; 5. Horn-shaped aggregating plate; 6. Circulating feeding shaft; 7. Circulating feeding drive motor; 8. Circulating feeding blades; 9. Divider plate; 10. J-type siphon pipe; 11. Feeding shaft tube; 12. Horn-shaped rubber ring; 13. Circular magnet; 14. Adjusting magnet ring; 15. Lifting and adjusting shaft tube; 16. Lifting ring; 17. Stretching ring magnet; 18. Stretching ring electromagnet; 19. Lifting inner tube; 20. Lifting and blocking tube; 21. Lifting and limiting stretching ring; 22. Lifting and stretching ring; 23. Stretching ring electromagnet; 24. Stretching ring magnet. Detailed Implementation
[0017] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0018] Those skilled in the art should connect all electrical components and their compatible power supplies in this case via wires. Appropriate controllers and encoders should be selected according to the actual situation to meet control requirements. The specific connection and control sequence should refer to the working principle described below, where the electrical components are connected in sequence. The detailed connection methods are well-known in the art. The following mainly introduces the working principle and process, and will not describe the electrical control further. Example
[0019] Please see Figure 1-3 This utility model provides an implementation scheme: The existing primary filtration process for pigment production wastewater currently suffers from problems such as low treatment efficiency, easy equipment clogging, frequent filter media replacement, poor adaptability to water quality fluctuations, and insufficient automation. Pigment production wastewater usually contains high concentrations of suspended solids (such as pigment particles and resin), heavy metal ions (such as lead and chromium), organic solvents, and acidic and alkaline substances, which causes the primary filtration process to bear a large filtration load.
[0020] Therefore, this application protects a primary filtration device for wastewater from pigment production. Through a screening structure, the wastewater is guided by a siphon principle. The siphon principle guides the settled liquid upwards along multiple J-shaped siphon pipes 10 to the top of a partition plate 9, thereby filtering and retaining solid matter at the bottom of the partition plate 9. Utilizing the siphon principle and screening structure, effective separation of solid matter and liquid in the wastewater is achieved. Solid matter is filtered and retained at the bottom of the partition plate 9, while the liquid is guided by the siphon pipes, improving solid-liquid separation efficiency. The filter sedimentation tank is then filtered by a funnel-shaped aggregating plate. The solid matter inside the screen 1 is deposited and guided to the inside of the N-type screen pipe 3. The circulating feed drive 7 on the N-type screen pipe 3 rotates, driving the circulating feed shaft 6 on its drive end. The circulating feed shaft 6 then drives the circulating feed blades 8. The rotation of the circulating feed blades 8 pushes the deposited solid particles along the inclined path of the N-type screen pipe 3, thus filtering and discharging the solid matter. The design of the N-type screen pipe 3 and the circulating feed blades 8 effectively prevents the accumulation and blockage of solid matter within the pipe. The rotating feed blades 8 push the settled solid particles along the inclined pipe, ensuring smooth discharge of the solid matter. Similarly, the adjusting component guides the pre-filtered liquid through a siphon flow in the middle layer of the liquid. Multiple horn-shaped rubber rings 12 guide the liquid unidirectionally inside the J-shaped siphon tube 10. The stretching ring electromagnet 23 is energized, which magnetically attracts the stretching ring magnet 24. The stretching ring magnet 24 drives the lifting ring 16 on it, causing the lifting ring 16 to move along the lifting ring. The inner side of the ring 16 groove is stably raised and lowered. The raising and lowering ring 16 drives multiple raising and lowering adjustment shaft tubes 15 on it to stably raise and lower. The raising and lowering adjustment shaft tubes 15 drive the adjustment magnet ring 14 on it. The magnetic field of the adjustment magnet ring 14 drives the ring magnet 13 on it to stably raise and lower. The ring magnet 13 drives the horn-shaped rubber ring 12 on it, thereby changing the direction of the horn-shaped rubber ring 12 for adjustment. Through the design of the adjustment components and the horn-shaped rubber ring 12, the device can flexibly adjust the direction and flow of liquid to adapt to different water qualities and treatment needs.Meanwhile, the lifting ring 16 and the lifting adjustment shaft tube 15 enable the device to adaptively adjust according to changes in the wastewater level, maintaining a stable treatment effect. When the tension ring electromagnet 23 on the lifting limit tension ring 21 of the siphon J-type drainage pipe 4 is energized, the magnetism of the tension ring electromagnet 23 attracts the tension ring magnet 24. The tension ring magnet 24 drives the lifting tension ring 22, which in turn drives the lifting inner tube 19 and the lifting shielding tube 20 to move stably up and down. The lifting inner tube 19 is inserted into the middle layer of the liquid inside the partition plate 9. Similarly, the lifting shielding tube 20 prevents liquid from entering the gap between the lifting inner tube 19 and the siphon J-type drainage pipe 4. Liquid is diverted through the siphon principle, avoiding the secondary pollution problems that may occur with traditional pumping methods. At the same time, the filtration and discharge of solid substances are more centralized and controllable, reducing the risk of environmental pollution.
[0021] In summary, after the wastewater settles in the filtration sedimentation tank 1, the upper liquid is guided to the top of the partition plate 9 through the J-type siphon pipe 10. This process utilizes the siphon principle; when the liquid forms a column of a certain height in the pipe, it will automatically flow from high to low due to gravity. The circulating feed drive 7 operates, driving the circulating feed shaft 6 on its drive end to rotate. The circulating feed blades 8 on the circulating feed shaft 6 rotate accordingly, pushing the solid particles settled at the bottom of the partition plate 9 along the inclined pipe of the N-type screen pipe 3, ultimately achieving the filtration and discharge of solid matter. The lifting and stretching ring 22 drives the lifting inner pipe 19 and the lifting shielding pipe 20 to rise and fall stably. The lifting inner pipe 19 is inserted into the middle layer of liquid inside the partition plate 9 to achieve further siphon flow of the liquid after preliminary filtration. The lifting shielding pipe 20 is used to prevent liquid from entering the gap between the lifting inner pipe 19 and the siphon J-type guide pipe 4, ensuring the normal operation of the device.
[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A waste water primary filtering device for pigment production, comprising: The filter settling box comprises a filter support, an N-type sieve tube, a J-type siphon drain pipe, a screening structure, and a drainage structure. The filter settling box is mounted on the filter support. The N-type sieve tube is inserted into the bottom end of the filter settling box and connected to the filter support. The J-type siphon drain pipe is inserted into the filter settling box. The screening structure is mounted on the N-type sieve tube and the drainage structure is connected to the J-type siphon drain pipe. The screening structure includes: a trumpet-shaped aggregating plate, a circulating feeding shaft, a circulating feeding drive, circulating feeding blades, a partition plate, multiple J-type siphon tubes, a feeding shaft tube, multiple trumpet-shaped rubber rings, and an adjustment assembly. The horn-shaped aggregating plate is installed at the bottom of the filter sedimentation tank. The circulating feeding shaft is inserted into the N-type screening pipe. The driving end of the circulating feeding drive is connected to the circulating feeding shaft. The circulating feeding blades are installed on the circulating feeding shaft. The partition plate is installed inside the filter sedimentation tank. Several J-type siphon tubes are evenly inserted into the partition plate. The feeding shaft tube is inserted into the filter sedimentation tank and the partition plate. Several horn-shaped rubber rings are respectively installed inside the several J-type siphon tubes. The adjusting component is fitted onto the several J-type siphon tubes.
2. The waste water primary filtering device for pigment production according to claim 1, characterized in that, The adjustment assembly includes: multiple circular magnets, multiple adjusting magnetic rings, multiple lifting and adjusting shaft tubes, a lifting ring, a stretching circular magnet, and a stretching circular electromagnet; The filter sedimentation tank is provided with a lifting ring groove, the lifting ring slide is inserted into the lifting ring groove, the stretching ring electromagnet is installed on the partition plate, the stretching ring magnet is installed on the lifting ring, multiple ring magnets are respectively installed on multiple horn-shaped rubber rings, multiple lifting adjustment shaft tubes are evenly inserted into the lifting ring, and multiple lifting adjustment shaft tubes are respectively movably fitted onto multiple J-shaped siphon tubes, and multiple adjustment magnet rings are respectively installed on multiple lifting adjustment shaft tubes.
3. The waste water primary filtering device for pigment production according to claim 2, characterized in that, The drainage structure includes: a lifting inner tube, a lifting blocking tube, a lifting limiting stretching ring, a lifting stretching ring, a stretching ring electromagnet, and a stretching ring magnet. The lifting inner tube is connected to the siphon J-type drainage tube through the lifting shielding tube. The lifting limiting tension ring is installed on the siphon J-type drainage tube. The lifting tension ring is installed on the lifting inner tube. The tension ring electromagnet is installed on the lifting limiting tension ring. The tension ring magnet is installed on the lifting tension ring.
4. The waste water primary filtering device for pigment production according to claim 3, characterized in that, The filtration sedimentation tank is equipped with a level gauge.
5. The waste water primary filtering device for pigment production according to claim 4, characterized in that, The filter sedimentation tank is equipped with a drain valve.
6. The waste water primary filtering device for pigment production according to claim 5, characterized in that, A flow valve is installed on the feeding shaft tube.