Pool filtering device for papermaking production
By introducing a ball valve-controlled filter cartridge cleaning and agitation flocculation system into the papermaking wastewater treatment device, combined with bubble flotation and scraper cleaning, the problem of treatment progress interruption caused by filter cartridge clogging was solved, achieving efficient continuous filtration and cleaning, and improving treatment efficiency.
Patent Information
- Application Number
- CN202520202735.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-10
AI Technical Summary
Existing papermaking wastewater treatment equipment requires stopping filtration when the filter cartridges become clogged, affecting the treatment progress, and filter cartridge replacement is inconvenient.
A filtration device was designed, comprising a water storage tank, baffles, filter cartridges, an inlet tank, a rotating shaft, an agitator, an air pump, and a scraper. The filter cartridges are cleaned and replaced by a ball valve, the agitator mixes the flocculant, the flocculants are floated by air bubbles, and the floating matter is cleaned by the scraper, thus achieving continuous filtration.
This allows for the cleaning and replacement of filter cartridges without stopping the filtration process, improving wastewater treatment efficiency, reducing downtime, and enhancing processing capacity.
Smart Images

Figure CN223852448U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to papermaking wastewater treatment technical field especially, relate to a papermaking production pool filter device. BACKGROUND
[0002] Papermaking industry produces a large amount of wastewater in the production process, and the papermaking wastewater is mainly derived from paper pulp preparation, paper manufacturing and other processes, which contains organic matter, suspended solids, color, chemical oxygen demand (COD) and biological oxygen demand (BOD) and other pollutants. If it is directly discharged into the environment without treatment, it will cause serious pollution to the water body.
[0003] The patent with the authorized announcement number CN218248981U discloses a papermaking wastewater pretreatment pool, which comprises a pool body and multiple sets of filter cartridges. The pool body comprises a first water tank, a second water tank and a third water tank. The first water tank is provided with a water inlet pipe at the front end. The second water tank is provided with a water outlet pipe at the bottom. The third water tank is provided with a water outlet pipe at the rear end. The second water tank is located at the center of the first water tank. The patent proposes to filter out large solid impurities in the papermaking wastewater through the filter cartridges, and then to deposit and gather the papermaking wastewater through the first water tank and the third water tank, so as to achieve the purpose of treating the wastewater. However, there are still some problems in the use of the patent. Since the wastewater contains a large amount of paper pulp and other suspended solids, the filter cartridges are easily clogged when filtering the wastewater. When cleaning and replacing the filter cartridges, the wastewater filtration operation needs to be stopped, which easily affects the progress of wastewater treatment.
[0004] Therefore, it is necessary to design a papermaking production pool filter device that is convenient to clean and replace the filter cartridges. UTILITY MODEL CONTENTS
[0005] In order to overcome the shortcomings of the existing technology, i.e., when the wastewater containing a large amount of paper pulp and other suspended solids enters the second water tank through the filter cartridges, the filter cartridges are easily clogged when filtering the wastewater, and when cleaning and replacing the filter cartridges, the wastewater filtration operation needs to be stopped, which easily affects the progress of wastewater treatment, the utility model provides a papermaking production pool filter device that is convenient to clean and replace the filter cartridges.
[0006] Technical scheme: a paper production pool filter device, including water storage tank, baffle, drain pipe and first ball valve, the baffle is installed in the water storage tank, the baffle is divided into two chambers, a plurality of water grooves are formed in the lower part of the baffle, the water storage tank is connected and communicated with the drain pipe, the first ball valve is installed on the drain pipe, further including water inlet tank, partition, filter element, water inlet pipe, second ball valve, communication pipe and connecting pipe, the water inlet tank is installed on one side of the top of the water storage tank, a plurality of partitions are installed in the water inlet tank, the water inlet tank is divided into a plurality of chambers by the partitions, the filter element is penetrated in each chamber of the water inlet tank, a plurality of water inlet pipes are connected and communicated with the water inlet tank on one side, the second ball valve is installed on the water inlet pipe, the communication pipe is connected and communicated with the water inlet tank on the far end of the plurality of water inlet pipes, and the connecting pipe is connected and communicated with the communication pipe.
[0007] In a preferred embodiment of the present application, the water storage tank is rotatably provided with two rotating shafts at the bottom, a stirring paddle is installed at one end of the rotating shaft inside the water storage tank, a first servo motor is installed on one side of the bottom of the water storage tank, the output shaft of the first servo motor is connected to one of the rotating shafts through a shaft coupling, and the two rotating shafts are driven through a belt pulley assembly.
[0008] In a preferred embodiment of the present application, the water storage tank is rotatably provided with two rotating shafts at the bottom, a stirring paddle is installed at one end of the rotating shaft inside the water storage tank, a first servo motor is installed on one side of the bottom of the water storage tank, the output shaft of the first servo motor is connected to one of the rotating shafts through a shaft coupling, and the two rotating shafts are driven through a belt pulley assembly.
[0009] In a preferred embodiment of the present application, the water storage tank is rotatably provided with two rotating shafts at the bottom, a stirring paddle is installed at one end of the rotating shaft inside the water storage tank, a first servo motor is installed on one side of the bottom of the water storage tank, the output shaft of the first servo motor is connected to one of the rotating shafts through a shaft coupling, and the two rotating shafts are driven through a belt pulley assembly.
[0010] In a preferred embodiment of the present application, the water storage tank is rotatably provided with two rotating shafts at the bottom, a stirring paddle is installed at one end of the rotating shaft inside the water storage tank, a first servo motor is installed on one side of the bottom of the water storage tank, the output shaft of the first servo motor is connected to one of the rotating shafts through a shaft coupling, and the two rotating shafts are driven through a belt pulley assembly.
[0011] In a preferred embodiment of the present application, the water storage tank is rotatably provided with two rotating shafts at the bottom, a stirring paddle is installed at one end of the rotating shaft inside the water storage tank, a first servo motor is installed on one side of the bottom of the water storage tank, the output shaft of the first servo motor is connected to one of the rotating shafts through a shaft coupling, and the two rotating shafts are driven through a belt pulley assembly.
[0012] The utility model discloses beneficial effect is: 1, sewage enters the water inlet tank through the connecting pipe and waste water drain pipe, and the filter core filters the large volume impurity in papermaking waste water, when needing to clean and replace one of filter cores, through the second ball valve corresponding to it is closed, and then the sliding filter core is cleaned, thereby need not stop sewage filtration operation, reach the purpose of convenient filter core dismounting cleaning simultaneously, improve the efficiency of sewage filtration treatment.
[0013] 2, through the start of first servo motor, the rotating shaft drives the stirring paddle to rotate, thereby making flocculating agent and waste water fully mix.
[0014] 3, through the start of air pump, the bubble combines with flocculating material, thereby making flocculating material float on the water surface under the buoyancy of bubble, and the flocculating material is cleaned conveniently. DRAWINGS
[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0016] Figure 2 It is the three-dimensional structure schematic diagram of the utility model water inlet tank, inlet pipe and first communication pipe.
[0017] Figure 3 It is the three-dimensional structure schematic diagram of the utility model water inlet tank, baffle and filter core.
[0018] Figure 4 It is the three-dimensional structure schematic diagram of the utility model reservoir, baffle and protective cover.
[0019] Figure 5 It is the three-dimensional structure schematic diagram of the utility model reservoir, baffle and stirring paddle.
[0020] Figure 6 It is the three-dimensional structure schematic diagram of the utility model air pump, gas pipe and gas guide pipe.
[0021] Figure 7 It is the three-dimensional structure schematic diagram of the utility model reservoir, screw rod and guide rod.
[0022] Figure 8 It is the three-dimensional structure schematic diagram of the utility model guide rod, connecting plate and scraper.
[0023] Figure 9 It is the three-dimensional structure schematic diagram of the utility model reservoir, filter plate and clamping rod.
[0024] The figure label name: 1, water storage tank, 2, baffle, 3, water channel, 4, drain pipe, 5, first ball valve, 6, water inlet tank, 7, partition, 8, filter element, 9, water inlet pipe, 10, second ball valve, 11, communication pipe, 12, connecting pipe, 13, rotating shaft, 14, stirring paddle, 15, first servo motor, 16, pulley assembly, 17, air pump, 18, gas pipe, 19, air guide pipe, 20, spray head, 21, first support frame, 22, second support frame, 23, guide rod, 24, screw rod, 25, second servo motor, 26, connecting plate, 27, scraper, 28, clamping groove, 29, hinge, 30, filter plate, 31, clamping rod, 32, protective cover. DETAILED DESCRIPTION
[0025] The present application will now be described more fully hereinafter with reference to the accompanying drawings, in which currently preferred embodiments of the application are shown. The application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided by way of example so that this disclosure will be thorough and complete, and fully convey the scope of the application to those skilled in the art.
[0026] Embodiment 1: a water tank filtering device for papermaking production, as shown in Figures 1-4 As shown, it comprises a water storage tank 1, a baffle 2, a drain pipe 4 and a first ball valve 5, the baffle 2 is installed in the water storage tank 1, the baffle 2 divides the inside into two front and rear chambers, 11 water channels 3 are formed in the lower part of the baffle 2, the drain pipe 4 is connected and communicated with the bottom of the water storage tank 1, the first ball valve 5 is installed on the drain pipe 4, the water inlet tank 6 is installed on the top rear side of the water storage tank 1 by bolt connection, three partition plates 7 are installed in the water inlet tank 6, the partition plates 7 divide the water inlet tank 6 into multiple chambers, the filter element 8 penetrates each chamber of the water inlet tank 6, multiple water inlet pipes 9 are connected and communicated with one side of the water inlet tank 6, the second ball valve 10 is installed on the water inlet pipe 9, the multiple water inlet pipes 9 are connected and communicated with the communication pipe 11 at the end away from the water inlet tank 6, and the connecting pipe 12 is connected and communicated with the communication pipe 11.
[0027] When the papermaking wastewater needs to be filtered, the second ball valve 10 is opened, the first ball valve 5 is closed, then the connecting pipe 12 is connected with the wastewater drain pipe 4, the papermaking wastewater enters the water inlet pipe 9 through the connecting pipe 12 and the communicating pipe 11, and then enters the water inlet tank 6, the wastewater seeps from the outside of the filter core 8 into the inside, the filter core 8 filters out the large-volume impurities in the papermaking wastewater, the filtered wastewater flows into the chamber at the back side of the water storage tank 1 through the filter core 8, then the flocculating agent is added into the water storage tank 1, the flocculating agent is dissolved into the sewage, the sewage and the flocculating agent enter the chamber at the back side of the water storage tank 1 through the water channel 3, the suspended matter of the sewage in the water storage tank 1 floats upwards, then the first ball valve 5 is opened, the suspended wastewater is discharged through the drain pipe 4, when one of the filter cores 8 needs to be cleaned and replaced, the corresponding second ball valve 10 is closed, the wastewater does not enter the chamber, and the remaining filter cores 8 in the chamber of the water inlet tank 6 still perform the sewage filtering operation, then the filter core 8 is slid upwards, and the filter core 8 is cleaned, so that the sewage filtering operation is not stopped, and the purpose of conveniently disassembling and cleaning the filter core 8 is achieved, and the efficiency of the sewage filtering treatment is improved.
[0028] Example 2: Based on example 1, refer to Figure 5 As shown in the figure, it also comprises a rotating shaft 13, a stirring paddle 14, a first servo motor 15 and a belt pulley assembly 16, two rotating shafts 13 are rotatably arranged at the bottom of the water storage tank 1, the stirring paddle 14 is installed on one end of the rotating shaft 13 in the water storage tank 1 through a key connection, the first servo motor 15 is installed on one side of the bottom of the water storage tank 1, the output shaft of the first servo motor 15 is connected with the right rotating shaft 13 through a shaft coupling, the two rotating shafts 13 are driven through the belt pulley assembly 16, the belt pulley assembly 16 is composed of two belt pulleys and a flat belt, the two rotating shafts 13 are both installed with the belt pulleys, the flat belt is sleeved between the two belt pulleys, two protective covers 32 are installed at the bottom of the water storage tank 1, the protective cover 32 covers the adjacent stirring paddle 14, and the protective cover 32 prevents foreign matters from being wrapped into the stirring paddle 14.
[0029] When the sewage enters the chamber at the back side of the water storage tank 1, the flocculating agent is added into the chamber at the back side of the water storage tank 1, then the first servo motor 15 is started, the first servo motor 15 drives one of the rotating shafts 13 to rotate, the two rotating shafts 13 are driven through the belt pulley assembly 16, the rotating shaft 13 drives the stirring paddle 14 to rotate, so that the flocculating agent and the wastewater are fully mixed.
[0030] Refer to Figure 5 and Figure 6As shown, it also includes air pump 17, gas pipe 18, gas pipe 19 and nozzle 20, the bottom of the pool 1 front side is installed by bolt connection air pump 17, the output end of air pump 17 is connected and communicated with two gas pipe 18, the end of gas pipe 18 away from air pump 17 is connected and communicated with gas pipe 19, the end of gas pipe 19 close to the pool 1 is installed with six nozzles 20, the nozzle 20 penetrates the pool 1.
[0031] When the wastewater containing flocculant enters the chamber on the back side of the pool 1 through the water channel 3, start the air pump 17, the air pump 17 sends air into the pool 1 through the gas pipe 18, the gas pipe 19 and the nozzle 20, so that a large number of bubbles are generated in the pool 1, the bubbles combine with the flocculation, so that the flocculation floats on the water surface under the action of the buoyancy of the bubble, which is convenient for cleaning the flocculation.
[0032] Referring to Figure 7 and Figure 8 As shown, it also includes first support frame 21, second support frame 22, guide rod 23, screw rod 24, second servo motor 25, connecting plate 26 and scraper 27, the first support frame 21 is installed on the left side of the pool 1, two second support frames 22 are installed on the right side of the pool 1 by bolt connection, the guide rod 23 is fixedly connected between the two second support frames 22 by welding, the second servo motor 25 is installed on the side of the pool 1 away from the second support frame 22 by bolt connection, the output shaft of the second servo motor 25 is connected with the screw rod 24 through the coupling, the screw rod 24 is rotatably connected with the first support frame 21, the connecting plate 26 is slidably arranged on the guide rod 23, the connecting plate 26 is threadedly arranged on the screw rod 24, the scraper 27 is installed between the two connecting plates 26, and the scraper 27 is located above the pool 1.
[0033] When the flocculation floating in the pool 1 needs to be cleaned, the second servo motor 25 is started, the output shaft of the second servo motor 25 drives the screw rod 24 to rotate, the screw rod 24 drives the scraper 27 to move forward through the connecting plate 26, so that the flocculation floating in the pool 1 is scraped out by the scraper 27, thereby the flocculation is cleaned without manual operation.
[0034] Referring to Figure 9 As shown, it also includes hinge 29, filter plate 30 and clamping rod 31, the hinge 29 is installed on the side of the pool 1 away from the water tank 6, the filter plate 30 is installed between the hinges 29, the pool 1 and the filter plate 30 are provided with a clamping groove 28 on each side, and the clamping groove 28 between the filter plate 30 and the pool 1 is clamped by the clamping rod 31.
[0035] The scraper 27 scrapes the flocculation floating in the water storage pool 1 forward out of the water storage pool 1, the flocculation falls in the filter plate 30, the filter plate 30 filters the flocculation, when the flocculation in the filter plate 30 needs to be taken out and transferred, the clamping rod 31 is slid upward, the water storage pool 1 is not fixed with the filter plate 30, and the filter plate 30 is rotated downward, so that the flocculation in the filter plate 30 is taken out.
[0036] It should be understood that the embodiments are only used for illustrating the present application and are not used for limiting the scope of the present application. In addition, it should be understood that after reading the content taught by the present application, those skilled in the art can make various changes or modifications to the present application, and these equivalent forms also fall within the scope defined by the claims of the present application.
Claims
1. A papermaking production water pool filtering device, comprising a water storage pool (1), a baffle (2), a drain pipe (4) and a first ball valve (5), the baffle (2) is installed in the water storage pool (1), the baffle (2) divides the inside into two chambers, a plurality of water through grooves (3) are formed in the lower part of the baffle (2), the drain pipe (4) is connected and communicated with the bottom of the water storage pool (1), the first ball valve (5) is installed on the drain pipe (4), characterized in that, It also includes the water inlet tank (6), partition (7), filter element (8), water inlet pipe (9), second ball valve (10), communication pipe (11) and connecting pipe (12), the water storage tank (1) top side is installed with water inlet tank (6), water inlet tank (6) is installed with multiple partition (7), partition (7) divides water inlet tank (6) into multiple chambers, water inlet tank (6) is connected and communicated with multiple water inlet pipe (9) on one side, water inlet pipe (9) is installed with second ball valve (10), the far end of multiple water inlet pipe (9) is connected and communicated with communication pipe (11) in water inlet tank (6), communication pipe (11) is connected and communicated with connecting pipe (12).
2. A filter device for a papermaking production tank according to claim 1, characterized in that It also includes the shaft (13), stirring paddle (14), first servo motor (15) and pulley assembly (16), the water storage tank (1) bottom rotatablely provided with two shafts (13), the shaft (13) is located at the end of the water storage tank (1) inside and is installed with stirring paddle (14), the water storage tank (1) bottom side is installed with first servo motor (15), the output shaft of first servo motor (15) is connected with one of the shafts (13) through a shaft coupling, the two shafts (13) are driven through pulley assembly (16).
3. A filter device for a papermaking production tank according to claim 2, characterized in that It also includes the air pump (17), gas pipe (18), gas guide pipe (19) and spray head (20), the water storage tank (1) bottom is installed with air pump (17), the output end of air pump (17) is connected and communicated with two gas pipes (18), the end of gas pipe (18) away from air pump (17) is connected and communicated with gas guide pipe (19), the end of gas guide pipe (19) close to the water storage tank (1) is installed with multiple spray heads (20), the spray head (20) penetrates the water storage tank (1).
4. A filter device for a papermaking production tank according to claim 3, characterized in that It also includes the first support frame (21), second support frame (22), guide rod (23), screw rod (24), second servo motor (25), connecting plate (26) and scraper (27), the water storage tank (1) side is installed with first support frame (21), the water storage tank (1) other side is installed with two second support frames (22), the guide rod (23) is fixedly connected between the two second support frames (22), the water storage tank (1) side away from the second support frame (22) is installed with second servo motor (25), the output shaft of second servo motor (25) is connected with screw rod (24) through a shaft coupling, the screw rod (24) is rotatably connected with the first support frame (21), the connecting plate (26) is slidably arranged on the guide rod (23), the connecting plate (26) is threadedly arranged on the screw rod (24), the scraper (27) is installed between the two connecting plates (26), and the scraper (27) is located above the water storage tank (1).
5. A filter device for a papermaking production tank according to claim 4, characterized in that Also include the hinge (29), filter plate (30) and card bar (31), the water storage pool (1) away from the side of the water inlet tank (6) is installed with a plurality of hinge (29), a plurality of hinge (29) between the common installation of filter plate (30), the water storage pool (1) and filter plate (30) both sides are provided with a clamping groove (28), the filter plate (30) and water storage pool (1) between the clamping groove (28) is connected through the clamping rod (31).
6. A filter device for a papermaking production tank according to claim 5, characterized in that Also include the protective cover (32), the water storage pool (1) bottom is installed with two protective cover (32), the protective cover (32) covers the adjacent stirring paddle (14).
Citation Information
Patent Citations
Papermaking wastewater pretreatment pool
CN218248981U