Solid-liquid separation device for wastewater treatment

Abstract

The utility model discloses a solid-liquid separation device for wastewater treatment, which comprises a tank body, and a water inlet and a water outlet which are symmetrically arranged on the side wall of the tank body, a driving mechanism is arranged on the side wall of the tank body, the output end of the driving mechanism extends into the tank body and is connected with a rotating frame, and one end of the rotating frame close to the driving mechanism is of a closed structure. One end of the rotating frame is open, the other end of the rotating frame is of an open structure, the open structure is supported through a supporting structure, the rotating frame is covered with a filtering roller, and a waste discharging assembly is arranged in the filtering roller. Wastewater enters from the water inlet, is filtered and then is discharged from the water outlet, solids in the wastewater enter the filtering roller and rotate along with the scraper, and when the solids rotate to a high point, the flushing pipe is externally connected with a pump body, and the solids attached to the scraper are flushed down, fall into the waste discharge groove and finally are discharged from the waste discharge pipe through the spray head to the filtering roller. And solids in the wastewater are separated, so that solid-liquid separation is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to a solid-liquid separation device for wastewater treatment. Background Art

[0002] Wastewater can be divided into two categories: domestic sewage and industrial wastewater. Domestic sewage: wastewater generated by people in daily life. Industrial wastewater: wastewater discharged during industrial production. The types of pollutants in wastewater can be roughly divided into the following categories: solid pollutants, organic pollutants, nutritional pollutants, acid-base pollutants, toxic pollutants, oil pollutants, biological pollutants, sensory pollutants and thermal pollution, etc. Before purifying wastewater, it is necessary to separate the solid matter in the wastewater, that is, it is necessary to achieve continuous solid-liquid separation of wastewater. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a solid-liquid separation device for wastewater treatment.

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

[0005] A solid-liquid separation device for wastewater treatment comprises a tank body and a water inlet and a water outlet symmetrically arranged on its side wall, wherein a driving mechanism is installed on the side wall of the tank body, and the output end of the driving mechanism extends to the inside of the tank body and is connected to a rotating frame, wherein one end of the rotating frame close to the driving mechanism is a closed structure, and the other end is an open structure, and the open structure is supported by a supporting structure, and a filter drum is covered on the rotating frame, a waste discharge assembly is arranged inside the filter drum, and a plurality of inclined scrapers are arranged on the inner wall of the filter drum.

[0006] Preferably, the waste discharge assembly comprises a waste discharge groove installed on the side wall of the pool body, one end of the waste discharge groove extends to the inside of the filter drum, and the groove is arranged upward, and the other end is connected to the waste discharge pipe.

[0007] Preferably, a flushing pipe is installed on the side wall of the pool body, and nozzles are evenly distributed on the flushing pipe. The flushing pipe is located outside the filter drum and directly above the waste discharge tank.

[0008] Preferably, the support structure comprises a vertical plate installed on the inner wall of the tank body, and support rollers are installed on the vertical plate through connecting plates, and the support rollers are located inside the open structure of the rotating frame.

[0009] Preferably, a filtering structure is provided at the water outlet.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: in the utility model, wastewater enters from the water inlet, is discharged from the water outlet after filtration, solids in the wastewater enter the filter drum, and rotate with the scraper. When it rotates to the highest point, the flushing pipe is connected to the pump body, and the filter drum is flushed through the nozzle, so that the solids attached to the scraper are washed down and fall into the waste discharge tank, and finally discharged from the waste discharge pipe, so that the solids in the wastewater are separated to achieve solid-liquid separation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more specifically and intuitively illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0012] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0013] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0014] Figure 3 The structure of the utility model is shown in FIG. Figure 3 ;

[0015] Figure 4 for Figure 3 Schematic diagram of the middle AA section;

[0016] Figure 5 This is a schematic diagram of the structure after the filter drum is removed according to the utility model;

[0017] Figure 6 for Figure 5 Another direction view;

[0018] Figure 7 This is a schematic structural diagram of the filter drum proposed by the utility model.

[0019] In the figure: pool body 1, water outlet 2, driving mechanism 3, flushing pipe 4, vertical plate 5, nozzle 6, filter drum 7, water inlet 8, waste discharge trough 9, waste discharge pipe 10, connecting plate 11, scraper 12, support roller 13, rotating frame 14. DETAILED DESCRIPTION

[0020] 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.

[0021] Reference Figure 1-7A solid-liquid separation device for wastewater treatment comprises a tank body 1 and a water inlet 8 and a water outlet 2 symmetrically arranged on its side wall. A driving mechanism 3 is installed on the side wall of the tank body 1. The output end of the driving mechanism 3 extends to the inside of the tank body 1 and is connected to a rotating frame 14. One end of the rotating frame 14 close to the driving mechanism 3 is a closed structure, and the other end is an open structure, and the open structure is supported by a supporting structure. A filter drum 7 is covered on the rotating frame 14, and a waste discharge assembly is arranged inside the filter drum 7. The inner wall of the filter drum 7 is provided with a plurality of inclined scrapers 12.

[0022] Wastewater enters from the water inlet 8 and is discharged from the water outlet 2 after filtration. The solids in the wastewater enter the filter drum 7 and rotate with the scraper 12. When it reaches the highest point, the flushing pipe 4 is connected to the pump body and the filter drum 7 is flushed through the nozzle 6 to flush the solids attached to the scraper 12 and drop them into the waste discharge tank 9. Finally, the solids are discharged from the waste discharge pipe 10 to separate the solids in the wastewater and realize solid-liquid separation.

[0023] In this embodiment, the waste discharge component includes a waste discharge trough 9 installed on the side wall of the pool body 1. One end of the waste discharge trough 9 extends to the inside of the filter drum 7, and the notch is set upward. The other end is connected to a waste discharge pipe 10. The flushing pipe 4 is externally connected to the pump body, and the filter drum 7 is flushed through the nozzle 6 to flush the solids attached to the scraper 12 down and fall into the waste discharge trough 9, and finally discharged from the waste discharge pipe 10, so as to separate the solids in the wastewater and realize solid-liquid separation.

[0024] In this embodiment, a flushing pipe 4 is installed on the side wall of the pool body 1, and nozzles 6 are evenly distributed on the flushing pipe 4. The flushing pipe 4 is located outside the filter drum 7 and directly above the waste discharge trough 9. The flushing pipe 4 is externally connected to the pump body, and the filter drum 7 is flushed through the nozzle 6 to flush down the solid matter attached to the scraper 12.

[0025] In this embodiment, the support structure includes a vertical plate 5 installed on the inner wall of the tank body 1 , and a support roller 13 is installed on the vertical plate 5 through a connecting plate 11 . The support roller 13 is located inside the open structure of the rotating frame 14 .

[0026] In this embodiment, a filtering structure is provided at the water outlet 2 to retain the solid matter in the wastewater in the tank body 1 for treatment.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A solid-liquid separation device for wastewater treatment, comprising a tank body (1) and a water inlet (8) and a water outlet (2) symmetrically arranged on its side wall, characterized in that: A driving mechanism (3) is installed on the side wall of the tank body (1); the output end of the driving mechanism (3) extends into the interior of the tank body (1) and is connected to a rotating frame (14); one end of the rotating frame (14) close to the driving mechanism (3) is a closed structure, and the other end is an open structure, and the open structure is supported by a supporting structure; a filter drum (7) is covered on the rotating frame (14); a waste discharge assembly is arranged inside the filter drum (7); and a plurality of inclined scrapers (12) are arranged on the inner wall of the filter drum (7).

2. A solid-liquid separation device for wastewater treatment according to claim 1, characterized in that: The waste discharge assembly comprises a waste discharge groove (9) installed on the side wall of the tank body (1), one end of the waste discharge groove (9) extends to the inside of the filter drum (7), and the groove is arranged upward, and the other end is connected to a waste discharge pipe (10).

3. A solid-liquid separation device for wastewater treatment according to claim 2, characterized in that: A flushing pipe (4) is installed on the side wall of the pool body (1), and nozzles (6) are evenly distributed on the flushing pipe (4). The flushing pipe (4) is located outside the filter drum (7) and directly above the waste discharge tank (9).

4. A solid-liquid separation device for wastewater treatment according to claim 3, characterized in that: The support structure comprises a vertical plate (5) mounted on the inner wall of the tank body (1), a support roller (13) being mounted on the vertical plate (5) via a connecting plate (11), and the support roller (13) being located inside the open structure of the rotating frame (14).

5. A solid-liquid separation device for wastewater treatment according to claim 4, characterized in that: A filtering structure is provided at the water outlet (2).

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