A filtering device for industrial antiseptic processing
By combining a three-layer filtration system with reverse high-pressure water flow cleaning, the problem of slow filtration speed and easy clogging of filter screens in industrial preservative production is solved, achieving efficient impurity removal and online cleaning of filter screens, thereby improving production efficiency and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN TOPRAY BIOTECHNOLOGY CO LTD
- Filing Date
- 2025-08-12
- Publication Date
- 2026-08-04
AI Technical Summary
In the current industrial preservative production process, the filtration speed is slow, the impurity separation effect is poor, and the filter screen is easily clogged, resulting in frequent shutdowns for cleaning, which affects production efficiency and increases costs.
It adopts a three-layer graded filtration structure (coarse filter, fine filter, and high-precision filter) combined with spiral stirring blades and dosing pipes, and uses a water pump to drive reverse high-pressure water flow cleaning to achieve online filter cleaning and avoid downtime for replacement.
It significantly improves the impurity removal rate, extends the service life of the filter screen, reduces production downtime, and enhances the stability and safety of preservatives.
Smart Images

Figure CN224585427U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of filtration equipment technology, and more specifically, to a filtration device for industrial preservative processing. Background Technology
[0002] Filtration is a crucial step in the production and processing of industrial preservatives. This step not only directly affects the purity and quality of the industrial preservatives, but also has a profound impact on the smooth progress of subsequent production processes and the storage and use effects of the products.
[0003] A search revealed that Chinese Patent CN221656043U discloses a filtration device for preparing a special organosilicon emulsion preservative. Addressing the issue that most filtration methods rely on static filtration, which depends on gravity for particle settling, resulting in a slow process, especially in suspensions with small particles or low concentrations, leading to unsatisfactory separation, this device uses a motor to drive a rotating rod and individual circular plates, allowing each filter plate to perform staged filtration. This ultimately solves the problems of slow filtration speed and poor impurity separation in existing filtration equipment.
[0004] When industrial corrosion inhibitors contain a large amount of particulate impurities, the filter screen will quickly become clogged, leading to a sharp drop in filtration efficiency. This necessitates frequent shutdowns for filter cleaning, which not only consumes significant manpower and resources but also severely impacts production schedules and increases production costs. Furthermore, improper operation during filter cleaning can damage the filter screen, further shortening its lifespan and increasing replacement costs. Utility Model Content
[0005] In order to overcome the problems and defects in the prior art, this utility model provides a filtration device for industrial preservative processing to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, the present invention provides the following technical solution: a filtration device for processing industrial preservatives, comprising a first filter tank and a second filter tank, both the top of the first filter tank and the second filter tank being equipped with a cover plate, a feed pipe being fixedly connected to one side of the first filter tank, a filtration cleaning mechanism being provided inside the first filter tank, and a filtration treatment mechanism being provided inside the second filter tank.
[0007] The filtration and cleaning mechanism includes a first fixing plate, which is fixed to the inner wall of the first filter tank. A coarse filter screen, a fine filter screen, and a high-precision filter screen are fixedly installed on the inner wall of the first fixing plate from top to bottom. A liquid extraction pipe is fixedly connected to the bottom of the inner wall of the first filter tank. A water pump is fixedly installed at the top of the liquid extraction pipe. A connecting pipe is fixedly connected to the top of the water pump. An annular pipe is fixedly connected to the top of the connecting pipe. Multiple nozzles are evenly installed at the top of the annular pipe. A sewage discharge pipe is fixedly connected to one side of the first filter tank.
[0008] Preferably, a connecting pipe is fixedly connected between the first filter tank and the second filter tank, and a first valve is installed inside the connecting pipe.
[0009] Preferably, the filtration mechanism includes a second fixing plate, which is fixed to one side of the inner wall of the second filter tank. A motor is fixedly installed at one end of the second fixing plate, and a spiral stirring blade is fixedly connected to the output end of the motor. A dosing pipe is fixedly connected to the top of one of the cover plates.
[0010] Preferably, a drain pipe is fixedly connected to the bottom of the second filter tank, and a second valve is fixedly installed at one end of the drain pipe.
[0011] Preferably, a pressure gauge is fixedly connected to the top of one of the cover plates, and a pressure relief valve is installed on the top of the cover plate.
[0012] Preferably, a drain pipe is fixedly connected to one side of the first filter tank, and an electromagnetic valve is installed inside the drain pipe.
[0013] Preferably, threaded posts are hinged to both sides of the first and second filter tanks, and slots are provided on both sides of the cover plate. The threaded posts are movably engaged with the slots, and a threaded sleeve is threadedly connected to the outside of the threaded posts. A pull ring is fixedly connected to the top of the threaded sleeve.
[0014] The technical effects and advantages of this utility model are as follows:
[0015] 1. Through the three-layer graded filtration structure of coarse filter, fine filter and high-precision filter in the first filter tank, impurities from large particles to extremely fine impurities are intercepted step by step. After primary filtration, the impurity removal rate of industrial preservatives is significantly improved. In the second filter tank, the spiral stirring blades and the dosing pipe work together to further agglomerate residual tiny impurities through the addition and uniform mixing of additives, achieving deep purification and effectively improving the stability and safety of preservatives. When the filter screen is clogged, the water pump drives the nozzle on the ring pipe to spray high-pressure water to backwash the three layers of filter screen. The impurity mixture is directly discharged through the drain pipe. The whole process does not require stopping the machine to replace the filter screen, which greatly reduces the production interruption time.
[0016] 2. The cover plate enables quick assembly and disassembly through the snap-fit structure of the threaded post and threaded sleeve. Combined with the labor-saving design of the pull ring, it facilitates the inspection and replacement of internal components such as filter screens and stirring blades, reducing maintenance difficulty. The backwashing through the annular pipe and nozzle uses high-pressure water flow to regularly clean impurities on the filter screen surface, reducing the wear and corrosion caused by long-term adhesion of impurities and extending the replacement cycle of coarse, fine, and high-precision filters. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0018] Figure 2 This is a schematic diagram of the rear view structure of this utility model.
[0019] Figure 3 For the present utility model Figure 1 Enlarged structural diagram at point A in the middle.
[0020] Figure 4 This is a schematic diagram of the internal structure of the first filter tank of this utility model.
[0021] Figure 5 This is a schematic diagram of the internal structure of the second filter tank of this utility model.
[0022] The attached diagram is labeled as follows: 1. First filter tank; 2. Second filter tank; 3. Cover plate; 4. Feed pipe; 5. First fixing plate; 6. Coarse filter screen; 7. Fine filter screen; 8. High-precision filter screen; 9. Liquid extraction pipe; 10. Water pump; 11. Connecting pipe; 12. Ring pipe; 13. Nozzle; 14. Connecting pipe; 15. First valve; 16. Second fixing plate; 17. Motor; 18. Spiral agitator blade; 19. Drain pipe; 20. Second valve; 21. Pressure gauge; 22. Pressure relief valve; 23. Sewage pipe; 24. Dosing pipe; 25. Threaded column; 26. Threaded sleeve; 27. Pull ring; 28. Bayonet; 29. Solenoid valve. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] As attached Figure 1-5The filter equipment shown includes a first filter tank 1 and a second filter tank 2. Both the first filter tank 1 and the second filter tank 2 are equipped with a cover plate 3 on the top. A feed pipe 4 is fixedly connected to one side of the first filter tank 1. A filter cleaning mechanism is provided inside the first filter tank 1, and a filter treatment mechanism is provided inside the second filter tank 2.
[0025] The filtration and cleaning mechanism includes a first fixing plate 5, which is fixed to the inner wall of the first filter tank 1. From top to bottom, a coarse filter screen 6, a fine filter screen 7, and a high-precision filter screen 8 are fixedly installed on the inner wall of the first fixing plate 5. A liquid extraction pipe 9 is fixedly connected to the bottom of the inner wall of the first filter tank 1. A water pump 10 is fixedly installed at the top of the liquid extraction pipe 9. A connecting pipe 11 is fixedly connected to the top of the water pump 10. An annular pipe 12 is fixedly connected to the top of the connecting pipe 11. Multiple nozzles 13 are evenly installed at the top of the annular pipe 12. A sewage discharge pipe 23 is fixedly connected to one side of the first filter tank 1.
[0026] As attached Figure 1 , 2 As shown in Figure 4, a connecting pipe 14 is fixedly connected between the first filter tank 1 and the second filter tank 2. A first valve 15 is installed inside the connecting pipe 14. During the backwashing process, the first valve 15 is closed to ensure that water can enter the water pump 10 through the liquid extraction pipe 9 to achieve rinsing.
[0027] As attached Figure 5 As shown, the filtration mechanism includes a second fixed plate 16, which is fixed to one side of the inner wall of the second filter tank 2. A motor 17 is fixedly installed at one end of the second fixed plate 16, and a spiral stirring blade 18 is fixedly connected to the output end of the motor 17. A dosing pipe 24 is fixedly connected to the top of one of the cover plates 3 to facilitate the addition of chemicals for stirring and further improve the filtration effect.
[0028] As attached Figure 1 , 2 As shown in Figure 5, a drain pipe 19 is fixedly connected to the bottom of the second filter tank 2, and a second valve 20 is fixedly installed at one end of the drain pipe 19 to facilitate the discharge of filtered sewage.
[0029] As attached Figure 1 , 2 As shown in Figure 4, a pressure gauge 21 is fixedly connected to the top of one of the cover plates 3, and a pressure relief valve 22 is installed on the top of the cover plate 3 to prevent excessive pressure inside the first filter tank 1.
[0030] As attached Figure 2 , 4 As shown, a drain pipe 23 is fixedly connected to one side of the first filter tank 1. An electromagnetic valve 29 is installed inside the drain pipe 23 to facilitate the discharge of dirt from the coarse filter screen 6.
[0031] As attached Figure 1-3As shown, threaded posts 25 are hinged to both sides of the first filter tank 1 and the second filter tank 2. The cover plate 3 has slots 28 on both sides. The threaded posts 25 are movably engaged with the slots 28. A threaded sleeve 26 is threadedly connected to the outside of the threaded posts 25. A pull ring 27 is fixedly connected to the top of the threaded sleeve 26, which facilitates the disassembly and assembly of the cover plate 3 and the cleaning and maintenance of the inside of the first filter tank 1 and the second filter tank 2.
[0032] The working principle of this utility model is as follows: Industrial preservative raw materials enter the first filter tank 1 through the feed pipe 4. Under the action of gravity, the raw materials flow from top to bottom through the three-layer filter screen fixedly installed on the first fixed plate 5. First, the coarse filter screen 6 intercepts larger particle impurities and undissolved lumps in the raw materials. Then, the fine filter screen 7 further filters out tiny particles and some colloids. Finally, the high-precision filter screen 8 removes extremely fine impurities and bacterial residues, completing the primary fine filtration. During this process, the cover plate 3 seals the top of the first filter tank 1 to ensure that the raw materials flow only through the filter screen path. When too many impurities adhere to the filter screen, causing the filtration efficiency to decrease, the water pump 10 draws the clear liquid or external clean water from the bottom of the first filter tank 1 through the liquid extraction pipe 9, and transports it to the annular pipe 12 through the connecting pipe 11. Then, the nozzles 13 evenly distributed at the top of the annular pipe 12 spray high-pressure water upwards to backwash the three-layer filter screen, washing away the attached impurities from the filter screen surface. The impurity mixture generated during rinsing is discharged from the first filter tank 1 through the drain pipe 23, realizing online cleaning of the filter screen without stopping the machine for replacement.
[0033] The industrial preservative filtered by the first filter tank 1 enters the second filter tank 2 through the connecting pipe 14. Inside the second filter tank 2, the motor 17 drives the spiral stirring blade 18 to rotate, and at the same time, the additives are added into the tank through the dosing pipe 24. The spiral stirring blade 18 fully mixes the preservative and the additives to achieve deep purification. After the industrial preservative meets the standard after secondary treatment, the second valve 20 is opened and discharged through the drain pipe 19.
[0034] The top cover 3 of the two tanks is engaged with the snap 28 of the cover 3 by the threaded post 25, and the threaded sleeve 26 is tightened to achieve a seal. When disassembling, the cover 3 can be opened by loosening the threaded sleeve 26 by the pull ring 27, which facilitates the inspection and replacement of internal components.
[0035] In conclusion, the above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.
Claims
1. A filtration device for processing industrial preservatives, comprising a first filter tank (1) and a second filter tank (2), characterized in that: The first filter tank (1) and the second filter tank (2) are both equipped with a cover plate (3) on the top. The first filter tank (1) is fixedly connected to a feed pipe (4) on one side. The first filter tank (1) is equipped with a filter cleaning mechanism, and the second filter tank (2) is equipped with a filter processing mechanism. The filtration and cleaning mechanism includes a first fixing plate (5), which is fixed to the inner wall of the first filter tank (1). From top to bottom, a coarse filter screen (6), a fine filter screen (7), and a high-precision filter screen (8) are fixedly installed on the inner wall of the first fixing plate (5). A liquid extraction pipe (9) is fixedly connected to the bottom of the inner wall of the first filter tank (1). A water pump (10) is fixedly installed at the top of the liquid extraction pipe (9). A connecting pipe (11) is fixedly connected to the top of the water pump (10). An annular pipe (12) is fixedly connected to the top of the connecting pipe (11). Multiple nozzles (13) are evenly installed at the top of the annular pipe (12). A sewage pipe (23) is fixedly connected to one side of the first filter tank (1).
2. The filtration equipment for industrial preservative processing according to claim 1, characterized in that: A connecting pipe (14) is fixedly connected between the first filter tank (1) and the second filter tank (2), and a first valve (15) is installed inside the connecting pipe (14).
3. The filtration equipment for industrial preservative processing according to claim 1, characterized in that: The filtration mechanism includes a second fixing plate (16), which is fixed to one side of the inner wall of the second filter tank (2). A motor (17) is fixedly installed at one end of the second fixing plate (16), and a spiral stirring blade (18) is fixedly connected to the output end of the motor (17). A dosing pipe (24) is fixedly connected to the top of one of the cover plates (3).
4. The filtration equipment for industrial preservative processing according to claim 1, characterized in that: The bottom of the second filter tank (2) is fixedly connected to a drain pipe (19), and a second valve (20) is fixedly installed at one end of the drain pipe (19).
5. The filtration equipment for industrial preservative processing according to claim 1, characterized in that: One of the cover plates (3) has a pressure gauge (21) fixedly connected to its top, and a pressure relief valve (22) is installed on the top of the cover plate (3).
6. The filtration equipment for industrial preservative processing according to claim 1, characterized in that: The first filter tank (1) is fixedly connected to a drain pipe (23) on one side, and an electromagnetic valve (29) is installed inside the drain pipe (23).
7. The filtration equipment for industrial preservative processing according to claim 1, characterized in that: Both sides of the first filter tank (1) and the second filter tank (2) are hinged with threaded columns (25), and both sides of the cover plate (3) are provided with slots (28). The threaded columns (25) are movably engaged with the slots (28). The threaded columns (25) are threadedly connected to the outside of the threaded columns (25) with threaded sleeves (26), and the top of the threaded sleeves (26) is fixedly connected with pull rings (27).