Circulating filtration device for water pollution control

Abstract

The utility model discloses a circulating filtering device for water pollution control, relates to the technical field of water pollution control, and aims to solve the problems that the filtering effect is poor and the post-treatment is tedious because most of the conventional water pollution control filtering is carried out through single-time filtering of a filter and then subsequent water treatment operation is carried out. An upper top cover is arranged at the upper end of the filtering tank, and a blow-off pipe is arranged at the lower end of the filtering tank; the sealing cover is arranged at the upper end of the upper top cover, a first sewer pipe is arranged on one side of the upper end of the sealing cover, and a second sewer pipe is arranged on the other side of the upper end of the sealing cover; the first filter element is arranged below one side of the sealing cover and corresponds to the first sewer pipe in position, a second filter element is arranged below the other side of the sealing cover and corresponds to the second sewer pipe in position, and a first connecting frame is arranged at the upper end of the first filter element.

Description

Technical Field

[0001] The utility model relates to the technical field of water pollution control, in particular to a circulating filtering device for water pollution control. Background Art

[0002] Water pollution is caused by harmful chemicals that reduce or lose the use value of water. Water that pollutes the environment will also affect drinking water sources, so water pollution treatment needs to be carried out in a timely manner;

[0003] For example, the Chinese authorized patent with announcement number CN218687211U (a water pollution filtering device): comprises a filtering device body, a feed funnel is provided on the upper left side of the filtering device body, a feed valve is provided inside the feed funnel, a servo motor is fixed on the left side of the filtering device body by welding, a filter cartridge is fixed to the top inner wall of the filtering device body by bolts, a filter screen is provided inside the filter cartridge, activated carbon is provided inside the filter screen, a water collecting funnel is provided below the filter cartridge, a sewage pipe is provided below the right side of the filter cartridge, a sewage valve is provided at the right end of the sewage pipe, a water collecting valve is provided below the water collecting funnel, baffles are provided on the left and right sides below the water collecting funnel, a water collecting bin is fixed below the water collecting funnel by welding, a drain pipe is fixed below the water collecting bin by welding, a drain valve is provided inside the drain pipe; this water pollution filtering device has the advantages of filtering and purifying water pollution and timely discharging impurities from the filter screen.

[0004] However, most of the existing water pollution control filtration is a single filtration through the filter in and out, and then subsequent water treatment operations are performed. The filtration effect is poor, which leads to cumbersome subsequent processing; therefore, it does not meet the existing needs. In this regard, we propose a circulating filtration device for water pollution control. Utility Model Content

[0005] The purpose of the utility model is to provide a circulating filtration device for water pollution control, so as to solve the problem that most of the existing water pollution control filtration proposed in the above background technology is to perform a single filtration through the filter in and out, and then perform subsequent water treatment operations, resulting in poor filtration effect and cumbersome subsequent treatment.

[0006] To achieve the above object, the utility model provides the following technical solution: a circulating filtration device for water pollution control, comprising: a filter tank, an upper cover is provided at the upper end of the filter tank, and a sewage pipe is provided at the lower end of the filter tank;

[0007] Also includes:

[0008] A sealing cover, which is arranged at the upper end of the upper cover, a first downpipe is arranged on one side of the upper end of the sealing cover, and a second downpipe is arranged on the other side of the upper end of the sealing cover;

[0009] A first filter element is arranged below one side of the sealing cover, and the first filter element corresponds to the position of the first drain pipe. A second filter element is arranged below the other side of the sealing cover, and the second filter element corresponds to the position of the second drain pipe.

[0010] Preferably, a first connecting frame is disposed at the upper end of the first filter element, a second connecting frame is disposed at the upper end of the second filter element, and both the first connecting frame and the second connecting frame are welded to the sealing cover.

[0011] Preferably, a partition plate is provided between the first filter element and the second filter element, and the partition plate is welded to the sealing cover.

[0012] Preferably, a lower sealing plate is provided inside the filter tank, and the lower sealing plate is welded to the inner wall of the filter tank, and a sewage outlet is provided on the surface of the lower sealing plate, and the sewage outlet passes through the lower sealing plate.

[0013] Preferably, a through cavity is provided inside the first connecting frame and the second connecting frame, and the through cavity passes through the first connecting frame and the second connecting frame, a connecting frame is provided between the first connecting frame and the second connecting frame and the partition plate, and the first connecting frame and the second connecting frame are welded to the partition plate through the connecting frame.

[0014] Preferably, a first water outlet is provided on one side of the filter tank, and a second water outlet is provided on the other side of the filter tank. A connecting pipe is provided between the first water outlet and the second drain pipe, and a fixing flange is provided at one end of the connecting pipe. The connecting pipe is threadedly fixed to the second drain pipe by external bolts of the fixing flange.

[0015] Preferably, fixing bolts are arranged around the sealing cover, and the sealing cover is threadedly connected to the upper cover through the fixing bolts.

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

[0017] 1. The utility model arranges a partition plate, a first filter element and a second filter element at the lower end of the sealing cover. Sewage enters the filter tank from the first downpipe and is filtered by the first filter element. The filtered water passes through the first water outlet and the connecting pipe and enters the filter tank along the second downpipe and is filtered by the second filter element. The filtered water is discharged from the second water outlet and the debris is discharged from the sewage pipe. In this way, a filter tank is used for circulation filtration, and the sewage is filtered multiple times, thereby improving the cleanliness. The circulating water is filtered by the second filter element instead of the first filter element, thereby improving the service life of the first filter element, and is not easy to bring out impurities, thereby improving the cleanliness of the circulation filtration.

[0018] 2. By setting a lower sealing plate inside the filter tank, the lower sealing plate and the partition plate are kept in a vertical state. When the sealing cover is installed, the two sides of the partition plate are in contact with the inner wall of the filter tank, and the lower surface is in contact with the lower sealing plate, thereby achieving a sealing effect and dividing the internal space of the filter tank into two parts, which are respectively used for sewage filtering by the first filter element and circulating water filtering by the second filter element, without interfering with each other, thereby improving the service life of the first filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a right side structural schematic diagram of the utility model;

[0021] Figure 3 This is a schematic diagram of the sealing cover structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the top view of the structure of the connection between the filter tank and the partition plate of the utility model;

[0023] In the figure: 1. filter tank; 2. upper cover; 3. sealing cover; 4. fixing bolts; 5. first downpipe; 6. second downpipe; 7. sewage pipe; 8. first water outlet; 9. connecting pipe; 10. second water outlet; 11. fixing flange; 12. first filter element; 13. second filter element; 14. partition plate; 15. first connecting frame; 16. second connecting frame; 17. connecting frame; 18. lower sealing plate; 19. sewage outlet; 20. through cavity. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] See also Figure 1-4 The utility model provides an embodiment: a circulating filtration device for water pollution control, comprising: a filter tank 1, an upper cover 2 is provided at the upper end of the filter tank 1, and a sewage pipe 7 is provided at the lower end of the filter tank 1;

[0026] Also includes:

[0027] A sealing cover 3 is arranged at the upper end of the upper cover 2, a first downpipe 5 is arranged on one side of the upper end of the sealing cover 3, and a second downpipe 6 is arranged on the other side of the upper end of the sealing cover 3;

[0028] A first filter element 12 is disposed below one side of the sealing cover 3 , and the first filter element 12 corresponds to the position of the first drain pipe 5 . A second filter element 13 is disposed below the other side of the sealing cover 3 , and the second filter element 13 corresponds to the position of the second drain pipe 6 .

[0029] Sewage enters the filter tank 1 from the first sewer pipe 5, and is filtered by the first filter element 12. The circulating water is filtered by the second filter element 13, and the filtered water is discharged from the second water outlet 10. In this way, the circulating filtration is performed by a filter tank 1, which improves the cleanliness. The circulating water is filtered by the second filter element 13 instead of the first filter element 12. In this way, the service life of the first filter element 12 is increased, and it is not easy to bring out impurities, thereby improving the cleanliness of the circulating filtration.

[0030] See also Figure 2 , 3 A first connecting frame 15 is provided at the upper end of the first filter element 12, and a second connecting frame 16 is provided at the upper end of the second filter element 13. The first connecting frame 15 and the second connecting frame 16 are welded to the sealing cover 3, and the first filter element 12 and the second filter element 13 are fixed to the first connecting frame 15 and the second connecting frame 16 respectively.

[0031] See also Figure 3 A partition plate 14 is provided between the first filter element 12 and the second filter element 13, and the partition plate 14 is welded to the sealing cover 3 to separate the first filter element 12 and the second filter element 13. After being inserted into the filter tank 1, the internal space of the filter tank 1 is divided into two parts, and the water in the two parts will not interfere with each other.

[0032] See also Figure 4 A lower sealing plate 18 is provided inside the filter tank 1, and the lower sealing plate 18 is welded to the inner wall of the filter tank 1. A sewage outlet 19 is provided on the surface of the lower sealing plate 18, and the sewage outlet 19 penetrates the lower sealing plate 18 and contacts with the lower surface of the partition plate 14 through the lower sealing plate 18, thereby achieving a sealing effect.

[0033] See also Figure 4 A through cavity 20 is provided inside the first connecting frame 15 and the second connecting frame 16, and the through cavity 20 penetrates the first connecting frame 15 and the second connecting frame 16. A connecting frame 17 is provided between the first connecting frame 15 and the second connecting frame 16 and the partition plate 14, and the first connecting frame 15 and the second connecting frame 16 are welded to the partition plate 14 through the connecting frame 17 to fix the first connecting frame 15 and the second connecting frame 16 to the partition plate 14.

[0034] See also Figure 1 , 2A first water outlet 8 is provided on one side of the filter tank 1, and a second water outlet 10 is provided on the other side of the filter tank 1. A connecting pipe 9 is provided between the first water outlet 8 and the second downpipe 6. A fixing flange 11 is provided at one end of the connecting pipe 9, and the connecting pipe 9 is threadedly fixed to the second downpipe 6 by external bolts of the fixing flange 11. The first water outlet 8 and the second downpipe 6 are connected by a connecting pipe 9 equipped with a circulating water pump to realize water circulation.

[0035] See also Figure 1 The sealing cover 3 is provided with fixing bolts 4 around it, and the sealing cover 3 is threadedly connected with the upper cover 2 through the fixing bolts 4 to fix the sealing cover 3 and the upper cover 2.

[0036] Working principle: when in use, the sealing cover 3 is covered on the upper end of the upper cover 2 and fixed by the fixing bolts 4. The interior of the filter tank 1 is divided into two parts by the partition plate 14, one part contains the first filter element 12, and the other part contains the second filter element 13. The first water outlet 8 and the second downpipe 6 are connected by a connecting pipe 9 equipped with a circulating water pump. The sewage enters the filter tank 1 from the first downpipe 5 and is filtered by the first filter element 12. The filtered water passes through the first water outlet 8 and the connecting pipe 9 and enters the filter tank 1 along the second downpipe 6 and is filtered by the second filter element 13. The filtered water is discharged from the second water outlet 10 and the debris is discharged from the sewage pipe 7. In this way, the filter tank 1 is relied on for circulation filtration, and the sewage is filtered multiple times, which improves the cleanliness. The circulating water is filtered by the second filter element 13, not by the first filter element 12. In this way, the service life of the first filter element 12 is increased, and it is not easy to bring out impurities, thereby improving the cleanliness of the circulation filtration.

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A circulating filtration device for water pollution control, comprising a filter tank (1), wherein an upper cover (2) is arranged at the upper end of the filter tank (1), and a sewage discharge pipe (7) is arranged at the lower end of the filter tank (1); Features: Also includes: A sealing cover (3) is arranged at the upper end of the upper cover (2), a first downpipe (5) is arranged on one side of the upper end of the sealing cover (3), and a second downpipe (6) is arranged on the other side of the upper end of the sealing cover (3); A first filter element (12) is arranged below one side of the sealing cover (3), and the first filter element (12) corresponds to the position of the first downpipe (5); a second filter element (13) is arranged below the other side of the sealing cover (3), and the second filter element (13) corresponds to the position of the second downpipe (6).

2. A circulating filtration device for water pollution control according to claim 1, characterized in that: A first connecting frame (15) is provided at the upper end of the first filter element (12), a second connecting frame (16) is provided at the upper end of the second filter element (13), and the first connecting frame (15) and the second connecting frame (16) are both welded to the sealing cover (3).

3. A circulating filtration device for water pollution control according to claim 1, characterized in that: A partition plate (14) is provided between the first filter element (12) and the second filter element (13), and the partition plate (14) is welded to the sealing cover (3).

4. A circulating filtration device for water pollution control according to claim 1, characterized in that: A lower sealing plate (18) is provided inside the filter tank (1), and the lower sealing plate (18) is welded to the inner wall of the filter tank (1), and a sewage outlet (19) is provided on the surface of the lower sealing plate (18), and the sewage outlet (19) passes through the lower sealing plate (18).

5. A circulating filtration device for water pollution control according to claim 2, characterized in that: A through cavity (20) is provided inside the first connecting frame (15) and the second connecting frame (16), and the through cavity (20) passes through the first connecting frame (15) and the second connecting frame (16), and a connecting frame (17) is provided between the first connecting frame (15) and the second connecting frame (16) and the partition plate (14), and the first connecting frame (15) and the second connecting frame (16) are welded to the partition plate (14) via the connecting frame (17).

6. A circulating filtration device for water pollution control according to claim 1, characterized in that: A first water outlet (8) is provided on one side of the filter tank (1), and a second water outlet (10) is provided on the other side of the filter tank (1); a connecting pipe (9) is provided between the first water outlet (8) and the second downpipe (6); a fixing flange (11) is provided at one end of the connecting pipe (9), and the connecting pipe (9) is threadedly fixed to the second downpipe (6) via external bolts of the fixing flange (11).

7. A circulating filtration device for water pollution control according to claim 1, characterized in that: The sealing cover (3) is provided with fixing bolts (4) on all four sides, and the sealing cover (3) is threadedly connected to the upper cover (2) via the fixing bolts (4).

Images