Sewage filtering device

Abstract

The utility model discloses a sewage filtering device in the technical field of sewage filtering, which comprises a base, a precipitation filtering mechanism for filtering fine impurities is arranged at the upper end of the base, the precipitation filtering mechanism comprises a second motor, a support plate is arranged at the transmission shaft end of the second motor in a matched manner, and a fixing rod is arranged at the upper end of the support plate in a sliding manner. The upper end of the fixed rod is fixedly connected with an inner main body shell, the side surface of the inner main body shell is cooperatively connected with an outer main body shell, the lower side surface of the outer main body shell is provided with a water outlet hole, and the upper end of the fixed rod is provided with a filter screen filtering mechanism for performing multi-layer filtration on sewage through a filter screen; large impurities are filtered firstly, then small impurities are filtered, the filtering efficiency is improved, a first motor is arranged at the upper end of a fixing rod, the first motor drives a first scraping plate and a second scraping plate to rotate through a rotating body, the first scraping plate and the second scraping plate scrape the impurities on a filtering plate, and the filtering plate is prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage filtration, in particular to a sewage filtration device. Background Art

[0002] With the development of society, a large amount of sewage is generated in cities every day. These sewage are generally transported to special sewage treatment plants through pipelines for purification. Before purifying and disinfecting the sewage, solid impurities in the sewage need to be filtered out first. The existing sewage filtering device includes a fixed barrel with a filter net placed in the fixed barrel. The fixed impurities in the sewage are filtered through the filter net. The filter net of this device is easily blocked during filtration, which affects the efficiency of sewage filtration. The existing equipment cannot filter some impurities with very small fixed particles. The existing sewage filtering device is inconvenient for internal cleaning. Summary of the invention

[0003] The purpose of the utility model is to provide a sewage filtering device to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A sewage filtering device comprises a base, wherein a sedimentation filtering mechanism for filtering fine impurities is arranged at the upper end of the base, wherein the sedimentation filtering mechanism comprises a second motor, wherein a support plate is cooperated with the transmission shaft end of the second motor, a fixing rod is slidably arranged at the upper end of the support plate, an inner main body shell is fixedly connected to the upper end of the fixing rod, an outer main body shell is cooperatedly connected to the side of the inner main body shell, a water outlet hole is opened on the lower side of the outer main body shell, and a filter screen filtering mechanism for filtering sewage through multiple layers of a filter screen is arranged at the upper end of the fixing rod.

[0006] Optionally, a slide groove is provided at the upper end of the base, a support ring is slidably fitted in the slide groove, and the other end of the support ring is fixedly connected to the support plate.

[0007] Optionally, the upper end of the support plate is fixedly connected to a limiting rod, a first limiting groove cooperating with the limiting rod is formed in the fixing rod, a plurality of circumferentially arranged limiting bodies are fixedly provided at the lower end of the inner main body shell, and a second limiting groove cooperating with the limiting body is formed at the upper end of the support plate.

[0008] Optionally, the outer main body shell and the inner main body shell are both arc-shaped rotating body structures, the lower end of the side surface of the outer main body shell is fixedly connected with an upper connecting ring, the upper end of the side surface of the inner main body shell is fixedly connected with a lower connecting ring, and the upper connecting ring and the lower connecting ring are connected by bolts.

[0009] Optionally, the filter screen filtering mechanism includes a first motor, which is placed at the upper end of a fixed rod, and the transmission shaft end of the first motor is fixedly connected to a rotating body that rotates with the inner main body shell, and the side of the rotating body is cooperated with a first filter plate and a second filter plate, and the side of the rotating body is fixedly connected with a first scraper and a second scraper that respectively cooperate with the first filter plate and the second filter plate, and the upper end of the outer main body shell is fixedly connected to a fixed shell, and a water inlet hole is opened at the upper end of the fixed shell.

[0010] Optionally, the cross-section of the first motor is square, and the upper end of the fixing rod is provided with a square groove that matches the first motor.

[0011] Optionally, the aperture of the first filter plate is larger than that of the second filter plate, and two connectors are fixedly connected to the outer sides of the first filter plate and the second filter plate, and the two connectors are fixedly connected to the side surfaces of the outer main body shell.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, a filter screen filtering mechanism is provided, and the filter screen filtering mechanism includes an outer main body shell and an inner main body shell. Two vertically distributed first filter plates and a second filter plate are fixedly connected to the inner side of the outer main body shell. The aperture of the first filter plate is larger than the aperture of the second filter plate. When sewage enters from the water inlet hole, it is filtered through the first filter plate and the second filter plate. Large impurities can be filtered first, and then small impurities can be filtered, and the filtering efficiency is increased. A first motor is provided at the upper end of the fixed rod. The first motor drives the first scraper and the second scraper to rotate through the rotating body. The first scraper and the second scraper scrape the impurities on the filter plate to prevent solid impurities from clogging the filter plate, thereby improving the filtering efficiency of the device.

[0014] 2. In the utility model, a sedimentation and filtering mechanism is provided, which includes a support plate. The second motor drives the support plate to rotate. The support plate drives the inner main body shell to rotate through the cooperation of the limit body and the second limit groove. The inner main body shell is fixedly connected to the outer main body shell, and the side surface of the outer main body shell is a smooth arc surface structure. When fine impurities in the sewage cannot be filtered by the filter plate, the inner main body shell and the outer main body shell drive the sewage to rotate, and the sewage impacts the outer main body shell. The fine solid impurities are precipitated below under the action of gravity and impact force. When the precipitation is completed, the water outlet is opened to discharge the completely filtered sewage as much as possible, ensuring that the fine impurities in the sewage can also be filtered.

[0015] 3. In the utility model, the sides of the outer main body shell and the inner main body shell are fixedly connected with an upper connecting ring and a lower connecting ring, and the upper connecting ring and the lower connecting ring are fixed by bolts. The inner main body shell is connected with the support plate through the cooperation of the limiting body and the second limiting groove and the cooperation of the limiting rod and the first limiting groove. When it is necessary to clean the inside of the device, it is only necessary to loosen the bolts at the upper connecting ring and the lower connecting ring, and then lift the outer main body shell upwards to clean the inside of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the upper part of the utility model;

[0018] Figure 3 It is a cross-sectional schematic diagram of the upper part of the utility model;

[0019] Figure 4 A cross-sectional schematic diagram of the lower part of the utility model

[0020] Figure 5 for Figure 3 A magnified image of point A;

[0021] Figure 6 for Figure 3 Enlarged view of point B.

[0022] In the figure: 1. base; 2. filter screen filtering mechanism; 3. sedimentation filtering mechanism; 4. water outlet; 5. water inlet; 21. first filter plate; 22. second filter plate; 23. fixed shell; 24. rotating body; 25. first scraper; 26. second scraper; 27. first motor; 28. square groove; 29. ​​connecting body; 31. outer main body shell; 32. inner main body shell; 33. lower connecting ring; 34. upper connecting ring; 35. limiting body; 36. fixing rod; 37. first limiting groove; 38. supporting ring; 39. supporting plate; 310. second limiting groove; 311. limiting rod; 312. slide groove; 313. second motor. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-6In an embodiment of the utility model, a sewage filtering device comprises a base 1, wherein a sedimentation filtering mechanism 3 for filtering fine impurities is arranged at the upper end of the base 1, wherein the sedimentation filtering mechanism 3 comprises a second motor 313, wherein a support plate 39 is provided at the transmission shaft end of the second motor 313, wherein a fixing rod 36 is slidably provided at the upper end of the support plate 39, wherein an inner main body shell 32 is fixedly connected to the upper end of the fixing rod 36, wherein an outer main body shell 31 is connected to the side surface of the inner main body shell 32, wherein a water outlet 4 is provided at the lower side surface of the outer main body shell 31, wherein a slide groove 312 is provided at the upper end of the base 1, wherein a support ring 38 is slidably provided in the slide groove 312, wherein the support ring 38 The other end is fixedly connected to a support plate 39, the upper end of the support plate 39 is fixedly connected to a limiting rod 311, the fixing rod 36 is provided with a first limiting groove 37 cooperating with the limiting rod 311, the lower end of the inner main body shell 32 is fixedly provided with a plurality of circumferentially arranged limiting bodies 35, the upper end of the support plate 39 is provided with a second limiting groove 310 cooperating with the limiting body 35, the outer main body shell 31 and the inner main body shell 32 are both arc-shaped rotating body structures, the lower end of the side surface of the outer main body shell 31 is fixedly connected with an upper connecting ring 34, the upper end of the side surface of the inner main body shell 32 is fixedly connected with a lower connecting ring 33, and the upper connecting ring 34 and the lower connecting ring 33 are connected by bolts.

[0025] The upper end of the fixed rod 36 is provided with a filter mechanism 2 for filtering sewage through multiple layers of the filter mesh. The filter mechanism 2 includes a first motor 27, which is placed on the upper end of the fixed rod 36. The transmission shaft end of the first motor 27 is fixedly connected with a rotating body 24 that rotates with the inner main body shell 32. The side of the rotating body 24 is provided with a first filter plate 21 and a second filter plate 22. The side of the rotating body 24 is fixedly connected with first scrapers that respectively cooperate with the first filter plate 21 and the second filter plate 22. The upper end of the outer main body shell 31 is fixedly connected with the fixed shell 23, and the upper end of the fixed shell 23 is provided with a water inlet hole 5. The cross section of the first motor 27 is square, and the upper end of the fixed rod 36 is provided with a square groove 28 matched with the first motor 27. The aperture of the first filter plate 21 is larger than the aperture of the second filter plate 22. The outer sides of the first filter plate 21 and the second filter plate 22 are fixedly connected with two connectors 29, and the two connectors 29 are fixedly connected to the side of the outer main body shell 31.

[0026] The working principle of the utility model is as follows: when the device is in use, sewage is discharged from the water inlet 5 and the water outlet 4 is blocked. Two vertically distributed first filter plates 21 and second filter plates 22 are fixedly connected to the inner side of the outer main body shell 31. The aperture of the first filter plate 21 is larger than that of the second filter plate 22. When sewage enters from the water inlet 5, it is filtered through the first filter plate 21 and the second filter plate 22. Large impurities can be filtered first, and then smaller impurities can be filtered, thereby increasing the filtering efficiency. A first motor 27 is provided at the upper end of the fixed rod 36. The first motor 27 drives the first scraper 25 and the second scraper 26 to rotate through the rotating body 24. The first scraper 25 and the second scraper 26 scrape the impurities on the filter plate. The second motor 313 drives the support plate 39 to rotate. The support plate 39 drives the inner through the cooperation of the limiting body 35 and the second limiting groove 310. The main body shell 32 rotates, the inner main body shell 32 is fixedly connected to the outer main body shell 31, and the side surface of the outer main body shell 31 is a smooth arc structure. When fine impurities in the sewage cannot be filtered by the filter plate, the inner main body shell 32 and the outer main body shell 31 drive the sewage to rotate, and the sewage impacts the outer main body shell 31. Fine solid impurities are settled below under the action of gravity and impact force. The upper connecting ring 34 and the lower connecting ring 33 are fixed by bolts, and the inner main body shell 32 is connected to the support plate 39 through the cooperation of the limiting body 35 and the second limiting groove 310 and the cooperation of the limiting rod 311 and the first limiting groove 37. When it is necessary to clean the inside of the device, it is only necessary to loosen the bolts at the upper connecting ring 34 and the lower connecting ring 33, and then lift the outer main body shell 31 upwards, and place the outer main body shell 31 upside down, so that the filter plate can be cleaned with water flow, which is very convenient.

[0027] 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 sewage filtering device, comprising a base (1), characterized in that: The upper end of the base (1) is provided with a sedimentation filtering mechanism (3) for filtering fine impurities, the sedimentation filtering mechanism (3) comprising a second motor (313), a transmission shaft end of the second motor (313) being provided with a support plate (39), a fixing rod (36) being slidably provided at the upper end of the support plate (39), the upper end of the fixing rod (36) being fixedly connected to an inner main body shell (32), the side surface of the inner main body shell (32) being provided with an outer main body shell (31), a water outlet hole (4) being provided at the lower side surface of the outer main body shell (31), and a filter screen filtering mechanism (2) for filtering sewage through multiple layers of a filter screen being provided at the upper end of the fixing rod (36).

2. A sewage filtering device according to claim 1, characterized in that: A slide groove (312) is provided at the upper end of the base (1), a support ring (38) is slidably fitted in the slide groove (312), and the other end of the support ring (38) is fixedly connected to a support plate (39).

3. A sewage filtering device according to claim 1, characterized in that: The upper end of the support plate (39) is fixedly connected to a limiting rod (311), a first limiting groove (37) cooperating with the limiting rod (311) is provided in the fixing rod (36), a plurality of circumferentially arranged limiting bodies (35) are fixedly provided at the lower end of the inner main body shell (32), and a second limiting groove (310) cooperating with the limiting bodies (35) is provided at the upper end of the support plate (39).

4. A sewage filtering device according to claim 1, characterized in that: The outer main body shell (31) and the inner main body shell (32) are both arc-shaped rotating body structures; an upper connecting ring (34) is fixedly connected to the lower end of the side surface of the outer main body shell (31); and a lower connecting ring (33) is fixedly connected to the upper end of the side surface of the inner main body shell (32); the upper connecting ring (34) and the lower connecting ring (33) are connected by bolts.

5. A sewage filtering device according to claim 1, characterized in that: The filter screen filtering mechanism (2) comprises a first motor (27), the first motor (27) being placed on the upper end of a fixing rod (36), the transmission shaft end of the first motor (27) being fixedly connected to a rotating body (24) which is rotatably matched with an inner main body shell (32), the side surface of the rotating body (24) being provided with a first filter plate (21) and a second filter plate (22), the side surface of the rotating body (24) being fixedly connected to a first scraper (25) and a second scraper (26) which are matched with the first filter plate (21) and the second filter plate (22), respectively, the upper end of the outer main body shell (31) being fixedly connected to a fixing shell (23), the upper end of the fixing shell (23) being provided with a water inlet hole (5).

6. A sewage filtering device according to claim 5, characterized in that: The cross section of the first motor (27) is square, and the upper end of the fixing rod (36) is provided with a square groove (28) that matches the first motor (27).

7. A sewage filtering device according to claim 5, characterized in that: The aperture of the first filter plate (21) is larger than the aperture of the second filter plate (22); two connectors (29) are fixedly connected to the outer sides of the first filter plate (21) and the second filter plate (22); the two connectors (29) are fixedly connected to the side surfaces of the outer main body shell (31).

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