Sludge filter pressing device for sewage

By designing a sludge filter pressing device with inclined filter plates and moving filter pressing rollers in sewage treatment, combined with the use of sludge scraping devices, the problem of poor sludge pressing effect in the prior art is solved, and efficient sludge is achieved Dehydration and resource recycling.

CN222331761UActive Publication Date: 2025-01-10QINGDAO ZHONGYA ENVIRONMENTAL ENG

Patent Information

Application Number
CN202420831849.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-01-10
Estimated Expiration
2034-04-22

AI Technical Summary

Technical Problem

The existing sludge filter pressing device for sewage treatment failed to effectively achieve efficient filtration pressure during the sludge separation process, resulting in a large amount of water remaining in the sludge and a low dehydration rate.

Method used

A sludge filter pressing device for sewage including an inclined filter plate and a moving filter press roller is designed. The sludge is scraped and leveled before filter pressing through a sludge scraping device, and the sludge is scraped off after filter pressing, and the sludge is removed by moving The frame and driving mechanism make the filter pressing roller roll and squeeze on the sludge, thereby filtration of moisture inside the sludge and ensuring the clean state of the filter pressing roller.

Benefits of technology

It improves the filtering effect of the sludge, increases the dehydration rate, ensures the dryness of the sludge, and facilitates the recycling and use of subsequent resources.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222331761U_ABST
    Figure CN222331761U_ABST
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Abstract

The utility model discloses a sludge filter pressing device for sewage, which comprises a filter pressing box, a filter plate is arranged at the upper end of the filter pressing box, the filter plate is obliquely arranged, a filter pressing bin is arranged at the upper end of the filter plate, a rack is arranged at the upper end of the filter pressing bin, a movable frame is arranged on the rack in a sliding manner, and the movable frame is controlled to slide through a driving mechanism. A filter pressing roller is rotationally mounted in the moving frame and is positioned in the filter pressing bin; a mud scraping device is arranged on one side of the movable frame and comprises a fixed plate, a telescopic rod is fixedly mounted at the upper end of the fixed plate, a lifting rod is arranged at the lower end of the telescopic rod, and a first mud scraping plate is arranged at the lower end of the lifting rod; according to the utility model, the sludge can be scraped to be flat through the sludge scraping device before filter pressing and can be shoveled after filter pressing; through translation of the movable frame, the filter pressing roller can roll on the sludge and extrude the sludge while translating, so that water in the sludge is filtered into the filter pressing box through the filter plate.
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Description

Technical Field

[0001] The utility model relates to the technical field of sewage sludge treatment, in particular to a sludge filter press device for sewage. Background Art

[0002] At present, the society has been advocating the scientific development concept of circular development. How to turn waste into treasure, how to reuse waste, and how to maximize the value of goods have always been major problems that have troubled people. Under the background of rapid population growth and increasingly tight material resources, this problem has been continuously magnified and has become a huge obstacle to social development and human progress. Sludge filter press is an important equipment for environmental governance and resource reuse, and plays an important role in social construction and human development.

[0003] A sludge filter press device for sewage treatment is disclosed in the Chinese new utility patent with the announcement number CN 211921281 U, including a filter box, a drainage plate is provided on the left and right sides of the lower part of the filter box, a drainage port is provided at the middle position of the bottom of the filter box, a feed port is provided on the left side of the top of the filter box, and a drive motor is provided on the right wall of the filter box, the output shaft of the drive motor is fixedly connected to the first bevel gear, the first bevel gear is meshed and connected to the second bevel gear, the second bevel gear is fixedly connected to the right end of the screw rod, and the middle part of the screw rod is threadedly connected to the rear end of the slider. Through the left and right movement of the scraper, the sewage and the sludge are separated, and after separation, the sludge can be pushed to the sewage outlets on the left and right sides of the device for discharge, the whole device has a high degree of automation, and the scraper moves continuously, so that the device can operate continuously, and the filtering effect of the whole device is improved. In view of the above-mentioned related technologies, the inventor believes that there are the following defects: the left and right movement of the scraper to separate the sewage and the sludge does not have a good filter pressing effect on the sludge, and there is still a lot of water remaining in the sludge, and the dehydration rate is not high. Utility Model Content

[0004] The purpose of the utility model is to provide a sludge filter press device for sewage to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sludge filter press device for sewage, comprising a filter press box, a filter plate is arranged at the upper end of the filter press box, and the filter plate is arranged in an inclined manner, a filter press chamber is arranged at the upper end of the filter plate, and a first opening is arranged on the left side of the filter press chamber, a frame is arranged at the upper end of the filter press chamber, a movable frame is slidably arranged on the frame, the movable frame is controlled to slide by a driving mechanism, a filter press roller is rotatably installed inside the movable frame, the filter press roller is located inside the filter press chamber, and the outer diameter of the filter press roller is close to the upper end of the filter plate;

[0006] A mud scraping device is provided on one side of the mobile frame, and the mud scraping device includes a fixed plate, a telescopic rod is fixedly installed on the upper end of the fixed plate, a lifting rod is provided on the lower end of the telescopic rod, and a first mud scraping plate is provided on the lower end of the lifting rod;

[0007] A feed pipe is arranged above the filter press bin, and the feed pipe is fixedly mounted on the frame. A distribution pipe is arranged at the lower end of the feed pipe, and two discharge ports are arranged at the bottom of both ends of the distribution pipe.

[0008] Preferably, the driving mechanism includes a screw rod rotatably mounted on the upper end of the frame, the screw rod is driven to rotate by a motor, the motor is fixedly mounted on the outer side of the frame, a nut block is provided on the upper end of the movable frame, and the nut block is connected to the screw rod by threads.

[0009] Preferably, guide rails are provided at the upper ends of both sides of the frame, and sliders matching the guide rails are provided at the lower end of the movable frame, and the sliders are slidably connected to the guide rails.

[0010] Preferably, a second scraper is provided on one side of the movable frame, adjustment holes are provided on both sides of the second scraper, and the second scraper is fixedly mounted on the side of the movable frame through the adjustment holes, and the lower end of the second scraper is close to the outer diameter of the filter press roller.

[0011] Preferably, a guide column is provided at the upper end of the lifting rod, and the guide column is located on both sides of the telescopic rod, and the guide column passes through the fixed plate and is slidably connected to the fixed plate up and down.

[0012] Preferably, a mud guide plate is provided at the lower end of the first opening, and the mud guide plate is arranged to be inclined downward.

[0013] Preferably, a second opening is provided on the left side of the filter box.

[0014] Preferably, a plurality of reinforcing ribs are evenly arranged on the bottom of the filter plate.

[0015] Preferably, the two discharge ports are located on both sides of the screw rod.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model can, through the scraper device, scrape the sludge flat before filtration and shovel the sludge after filtration. When sludge is filtered, the distance between the first scraper plate and the filter plate is set in advance. When the movable frame is translated to the right, the first scraper plate can scrape the sludge flat so that the sludge can be spread flat on the filter plate, which is convenient for the filter roller on the left side of the first scraper plate to filter the sludge from left to right. After the filtration is completed, the telescopic rod drives the first scraper plate downward so that the bottom of the first scraper plate abuts against the upper end of the filter plate, and the driving device drives the first scraper plate to move downward. Move to the left, so that the first scraper blade scrapes the sludge on the filter plate. When the first scraper blade moves to the first opening position on the left, the sludge falls to the outside of the filter press box through the mud guide plate, and the sludge is recycled. The movable frame is driven by the driving mechanism to slide left and right, so that the filter press roller can roll on the sludge and squeeze the sludge while moving horizontally, so that the moisture inside the sludge is filtered into the filter press box through the filter plate; the second scraper blade is used to scrape off the residual sludge on the outer diameter of the filter press roller, so that the filter press roller always remains relatively clean and prevents sludge from accumulating on the filter press roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0019] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0020] Figure 3 It is a front view of the utility model;

[0021] Figure 4 It is a front cross-sectional view of the utility model;

[0022] Figure 5 It is a top view of the utility model.

[0023] In the figure: 1. filter press box; 2. filter plate; 3. filter press chamber; 4. frame; 5. mobile frame; 6. filter press roller; 7. first opening; 8. guide rail; 9. slider; 10. fixed plate; 11. telescopic rod; 12. lifting rod; 13. first scraper; 14. guide column; 15. screw rod; 16. motor; 17. nut block; 18. second scraper; 19. adjustment hole; 20. feed pipe; 21. distribution pipe; 22. discharge port; 23. mud guide plate; 24. second opening; 25. reinforcing ribs. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 The utility model provides a technical solution: a sludge filter press device for sewage, comprising a filter press box 1, a filter plate 2 is arranged at the upper end of the filter press box 1, and the filter plate 2 is inclined, a filter press chamber 3 is arranged at the upper end of the filter plate 2, and a first opening 7 is arranged on the left side of the filter press chamber 3, a frame 4 is arranged at the upper end of the filter press chamber 3, a movable frame 5 is slidably arranged on the frame 4, the movable frame 5 is controlled to slide by a driving mechanism, a filter press roller 6 is rotatably installed inside the movable frame 5, the filter press roller 6 is located inside the filter press chamber 3, and the outer diameter of the filter press roller 6 is close to the upper end of the filter plate 2.

[0026] The driving device includes a screw rod 15 rotatably mounted on the upper end of the frame 4. The screw rod 15 is driven to rotate by a motor 16. The motor 16 is fixedly mounted on the outer side of the frame 4. A nut block 17 is provided on the upper end of the mobile frame 5. The nut block 17 is connected to the screw rod 15 by threads.

[0027] Guide rails 8 are provided at the upper ends of both sides of the frame 4 , and sliders 9 matching the guide rails 8 are provided at the lower end of the moving frame 5 , and the sliders 9 are slidably connected to the guide rails 8 .

[0028] A second opening 24 is provided on the left side of the filter press box 1 , and a plurality of reinforcing ribs 25 are evenly provided on the bottom of the filter plate 2 .

[0029] Among them, the filter plate 2 is used to filter the sludge. When the sludge is filtered, the sludge needs to be injected into the filter press bin 3 through the feed pipe 20, so that the sludge is laid on the filter plate 2, and then the sludge is filtered through the filter press roller 6; the movable frame 5 is driven by the driving mechanism to enable the movable frame 5 to slide left and right. First, the motor 16 drives the screw rod 15 to rotate, and the screw rod 15 drives the nut block 17 to move on the screw rod 15, and finally the nut block 17 drives the movable frame 5 to move on the guide rail 8; the filter press roller 6 is rotatably installed on the movable frame 5, so that the filter press roller 6 can roll on the sludge and squeeze the sludge while translating, so that the moisture inside the sludge is filtered into the filter press box 1 through the filter plate 2; the second opening 24 can facilitate the cleaning of the filter plate 2, and can also facilitate the observation of the internal situation of the filter press box 1.

[0030] A feed pipe 20 is provided above the filter press bin 3 and fixedly mounted on the frame 4 . A distribution pipe 21 is provided at the lower end of the feed pipe 20 . Two discharge ports 22 are provided at the bottom of both ends of the distribution pipe 21 . The discharge ports 22 are located on both sides of the screw rod 15 .

[0031] The feed pipe 20 is connected to the sludge conveying pipeline. After the sludge enters the feed pipe 20 , it flows into two discharge ports 22 at both ends of the distribution pipe 21 through the distribution pipe 21 . The two discharge ports 22 output the sludge toward the filter press chamber 3 .

[0032] A scraper device is provided on one side of the mobile frame 5, and the scraper device includes a fixed plate 10, a telescopic rod 11 is fixedly installed on the upper end of the fixed plate 10, a lifting rod 12 is provided at the lower end of the telescopic rod 11, and a first scraper plate 13 is provided at the lower end of the lifting rod 12;

[0033] A guide post 14 is disposed at the upper end of the lifting rod 12 , and the guide posts 14 are located at both sides of the telescopic rod 11 . The guide posts 14 penetrate the fixing plate 10 and are slidably connected to the fixing plate 10 up and down.

[0034] A mud guide plate 23 is disposed at the lower end of the first opening 7 , and the mud guide plate 23 is tilted downward.

[0035] Among them, the scraper device can, on the one hand, scrape the sludge flat before filtration, and on the other hand, remove the sludge after filtration; when the sludge is filtered, the driving device drives the movable frame 5 to translate, and the movable frame 5 drives the first scraper plate 13 to translate through the lifting rod 12. By setting the distance between the first scraper plate 13 and the filter plate 2 in advance, when the movable frame 5 translates to the right, the first scraper plate 13 can scrape the sludge flat, so that the sludge can be spread flat on the filter plate 2, which is convenient for the left side of the first scraper plate 13 The filter roller 6 filters the sludge from left to right; after the filtration is completed, the telescopic rod 11 drives the lifting rod 12 downward, and the lifting rod 12 drives the first scraper plate 13 downward, so that the bottom of the first scraper plate 13 abuts against the upper end of the filter plate 2, and the driving device drives the first scraper plate 13 to move to the left, so that the first scraper plate 13 scrapes the sludge on the filter plate 2. When the first scraper plate 13 moves to the first opening 7 position on the left side, the sludge falls to the outside of the filter press box 1 through the mud guide plate 23, and the sludge is recycled.

[0036] A second scraper blade 18 is provided on one side of the movable frame 5 , and adjustment holes 19 are provided on both sides of the second scraper blade 18 . The second scraper blade 18 is fixedly mounted on the side of the movable frame 5 through the adjustment holes 19 , and the lower end of the second scraper blade 18 is close to the outer diameter of the filter press roller 6 .

[0037] The second scraper blade 18 is used to scrape off the residual sludge on the outer diameter of the filter press roller 6 , so that the filter press roller 6 is always kept relatively clean and the sludge is prevented from being accumulated on the filter press roller 6 .

[0038] The working principle and use process of this utility model:

[0039] The feed pipe 20 is connected to the sludge conveying pipeline. After the sludge enters the feed pipe 20, it flows into the two discharge ports 22 at both ends of the distribution pipe 21 through the distribution pipe 21. The two discharge ports 22 output the sludge to the filter press chamber 3, so that the sludge is laid on the filter plate 2, and then the sludge is filtered by the filter press roller 6; the movable frame 5 is driven by the driving mechanism to enable the movable frame 5 to slide left and right. First, the motor 16 drives the screw rod 15 to rotate, and the screw rod 15 drives the nut block 17 to move on the screw rod 15, and finally the nut block 17 drives the movable frame 5 to move on the guide rail 8; the filter press roller 6 is rotatably installed on the movable frame 5, so that the filter press roller 6 can roll on the sludge and squeeze the sludge while translating, so that the moisture inside the sludge is filtered into the filter press box 1 through the filter plate 2; the sludge scraping device can flatten the sludge before filtration on the one hand, and can clean the sludge after filtration on the other hand. Shovel; when the sludge is filtered, the driving device drives the movable frame 5 to move horizontally, and the movable frame 5 drives the first scraper 13 to move horizontally through the lifting rod 12. By setting the distance between the first scraper 13 and the filter plate 2 in advance, when the movable frame 5 moves horizontally to the right, the first scraper 13 can scrape the sludge flat, so that the sludge can be spread flat on the filter plate 2, which is convenient for the filter press roller 6 on the left side of the first scraper 13 to filter the sludge from left to right; after the filtration is completed, the telescopic rod 11 drives the lifting rod 12 downward, and the lifting rod 12 drives the first scraper 13 downward, so that the bottom of the first scraper 13 abuts against the upper end of the filter plate 2, and the driving device drives the first scraper 13 to move to the left, so that the first scraper 13 scrapes the sludge on the filter plate 2. When the first scraper 13 moves to the first opening 7 position on the left, it falls to the outside of the filter press box 1 through the mud guide plate 23, and the sludge is recycled.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sludge filter press device for sewage, comprising a filter press box (1), characterized in that: The filter press box (1) has a filter plate (2) at the upper end, and the filter plate (2) is arranged in an inclined manner; the filter press chamber (3) is provided at the upper end of the filter plate (2), and a first opening (7) is provided on the left side of the filter press chamber (3); a frame (4) is provided at the upper end of the filter press chamber (3); a movable frame (5) is slidably provided on the frame (4), and the movable frame (5) is controlled to slide by a driving mechanism; a filter press roller (6) is rotatably installed inside the movable frame (5); the filter press roller (6) is located inside the filter press chamber (3), and the outer diameter of the filter press roller (6) is close to the upper end of the filter plate (2); A mud scraping device is provided on one side of the movable frame (5), the mud scraping device comprising a fixed plate (10), a telescopic rod (11) being fixedly mounted on the upper end of the fixed plate (10), a lifting rod (12) being provided at the lower end of the telescopic rod (11), and a first mud scraping plate (13) being provided at the lower end of the lifting rod (12); A feed pipe (20) is provided above the filter press bin (3), the feed pipe (20) being fixedly mounted on the frame (4), a distribution pipe (21) being provided at the lower end of the feed pipe (20), and two discharge ports (22) being provided at the bottom of both ends of the distribution pipe (21).

2. A sludge filter press device for sewage according to claim 1, characterized in that: The driving mechanism comprises a screw rod (15) rotatably mounted on the upper end of the frame (4); the screw rod (15) is driven to rotate by a motor (16); the motor (16) is fixedly mounted on the outer side of the frame (4); a nut block (17) is provided on the upper end of the movable frame (5); the nut block (17) is connected to the screw rod (15) by a thread.

3. A sludge filter press device for sewage according to claim 1, characterized in that: Guide rails (8) are provided at the upper ends of both sides of the frame (4), and sliding blocks (9) matching the guide rails (8) are provided at the lower ends of the movable frame (5), and the sliding blocks (9) are slidably connected to the guide rails (8).

4. The sludge filter press device for sewage according to claim 1, characterized in that: A second scraper plate (18) is provided on one side of the movable frame (5), and adjustment holes (19) are provided on both sides of the second scraper plate (18). The second scraper plate (18) is fixedly mounted on the side of the movable frame (5) through the adjustment holes (19), and the lower end of the second scraper plate (18) is close to the outer diameter of the filter press roller (6).

5. The sludge filter press device for sewage according to claim 1, characterized in that: A guide column (14) is provided at the upper end of the lifting rod (12), and the guide columns (14) are located on both sides of the telescopic rod (11). The guide columns (14) penetrate the fixing plate (10) and are slidably connected to the fixing plate (10) up and down.

6. The sludge filter press device for sewage according to claim 1, characterized in that: A mud guide plate (23) is provided at the lower end of the first opening (7), and the mud guide plate (23) is arranged to be inclined downward.

7. The sludge filter press device for sewage according to claim 1, characterized in that: The left side of the filter press box (1) is provided with a second opening (24).

8. The sludge filter press device for sewage according to claim 1, characterized in that: A plurality of reinforcing ribs (25) are evenly arranged on the bottom of the filter plate (2).

9. The sludge filter press device for sewage according to claim 2, characterized in that: The two discharge ports (22) are located on both sides of the screw rod (15).

Citation Information

Patent Citations

  • Sludge filter pressing device for sewage treatment

    CN211921281U

Cited By

  • Automatic device for efficiently treating sludge and sewage

    CN120136240A

  • An automated device for efficient treatment of sludge and sewage

    CN120136240B