Sewage grid filtering device with grounding mechanism

Abstract

The utility model provides a sewage grating filtering device with a grounding mechanism. The sewage grating filtering device is used for solving the technical problems that a grounding device of an existing sewage grating filtering device is complex in line connection and poor in connection stability. Comprising a water inlet pool and a water outlet pool, and a plurality of grating pools are arranged between the water inlet pool and the water outlet pool; rectangular grounding rings are arranged on the outer sides of the water inlet tank, the water outlet tank and the plurality of grid tanks, are connected with metal pieces in the water inlet tank, the water outlet tank and the plurality of grid tanks, and are also connected with a grounding wire through a grounding lead-out plate. The rectangular grounding ring and the plurality of connecting steel plates are respectively connected with the plurality of metal pieces, so that the grounding circuit of the device is regular and simple, and the connection stability is high.

Description

Technical Field

[0001] The utility model relates to the field of sewage treatment, in particular to a sewage grid filtering device with a grounding mechanism. Background Art

[0002] The grid filter is a device used to filter water. It separates impurities in the water through a grid machine and a screw conveyor to achieve the purpose of purifying the water. The grid filter is often set up outdoors when in use, so it needs to be aligned and grounded to prevent damage to the equipment caused by lightning strikes.

[0003] Existing grid filter devices all use multiple grounding wires to connect grid machines, screw conveyors, ladders and other equipment with metal parts or casings. Since the above-mentioned equipment is distributed in different positions of the grid filter device, multiple grounding wires make the grounding circuit of the device complicated and difficult to route. In addition, the grounding wires are prone to cause the connection solder joints to fall off during the bending process, resulting in poor connection stability. Utility Model Content

[0004] The purpose of the utility model is to provide a sewage grid filter device with a grounding mechanism. By setting a rectangular grounding ring, a pre-buried steel plate and a plurality of connecting steel plates, the technical problems of complex line connection and poor connection stability of the existing sewage grid filter device grounding device are solved.

[0005] A sewage grid filter device with a grounding mechanism comprises an inlet pool and an outlet pool, wherein a plurality of grid pools are arranged between the inlet pool and the outlet pool;

[0006] Rectangular grounding rings are arranged outside the water inlet pool, the water outlet pool and several grille pools. The rectangular grounding rings are connected to metal parts in the water inlet pool, the water outlet pool and several grille pools. The rectangular grounding rings are also connected to the grounding wire through a grounding lead-out plate.

[0007] Optionally, a rotary screen machine is installed in each of the plurality of screen tanks;

[0008] The bottom of the rotary screen machine is located at the bottom of the screen pool, and the top of the rotary screen machine extends out of the top of the screen pool.

[0009] Optionally, it also includes a screw conveyor arranged across a plurality of the grid pools;

[0010] The screw conveyor is located between the top of the rotary grille machine and the upper end surface of the grille pool, and the feeding direction of the screw conveyor is perpendicular to the water flow direction in the grille pool.

[0011] Optionally, embedded steel plates are provided between adjacent grid pools and between the outermost grid pool and the rectangular grounding ring;

[0012] Both side walls of the rotary grille machines are connected to the embedded steel plates on both sides through the first connecting steel plates, and the outermost embedded steel plates are connected to the rectangular grounding ring through the first connecting steel plates.

[0013] Optionally, both ends of the screw conveyor are connected to the rectangular grounding ring via a second connecting steel plate.

[0014] Optionally, a water inlet is provided on the side wall of the water inlet pool away from the grille pool, and a water outlet is provided on the side wall of the water outlet pool away from the grille pool;

[0015] A plurality of reserved holes are arranged on the side walls of the water inlet pool and the water outlet pool near one end of the grille pool. The plurality of reserved holes on the water inlet pool are respectively connected to one end of the plurality of grille pools, and the plurality of reserved holes on the water outlet pool are respectively connected to the other end of the plurality of grille pools.

[0016] Optionally, the water inlet pool and the water outlet pool are both provided with a hoist for controlling the opening and closing of the reserved holes;

[0017] The top end of the gate hoist extends out of the upper end surface of the water inlet pool or the water outlet pool, and the gate hoist is connected to the rectangular grounding ring through a third connecting steel plate.

[0018] Optionally, ladders are provided in the water inlet pool, the water outlet pool and the plurality of grille pools in the vertical direction, and the ladders are connected to the rectangular grounding ring via a fourth connecting steel plate.

[0019] Optionally, an electric control cabinet is further provided at one end of the water outlet pool away from the grid pool, and the shell of the electric control cabinet is connected to the rectangular grounding ring through a fifth connecting steel plate.

[0020] Optionally, the number of the grid pools is two.

[0021] Due to the adoption of the above technical solution, the utility model has the following advantages:

[0022] The present application solves the technical problem that the existing sewage treatment device needs to set up multiple grounding wires to connect different metal components respectively, resulting in complex connection of the grounding device and poor connection stability, by setting up a rectangular grounding ring and the first, second, third, fourth and fifth connecting steel plates respectively connected to the rotary screen machine, screw conveyor, opening and closing machine, ladder and the outer wall of the electric control cabinet. The grounding line in the present application is regular and simple, and the connection is highly stable.

[0023] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and will be apparent to those skilled in the art based on the following examination and research, or can be taught from the practice of the present invention to some extent. The objectives and other advantages of the present invention can be achieved and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The accompanying drawings of the present utility model are described as follows.

[0025] Figure 1 It is a structural schematic diagram of a sewage grid filtering device with a grounding mechanism according to the utility model.

[0026] Figure 2 For this utility model Figure 1 Cross-sectional view at AA in the middle.

[0027] Figure 3 For this utility model Figure 1 Cross-sectional view at BB in the middle.

[0028] In the figure: 1-water inlet pool; 2-water outlet pool; 3-grid pool; 4-rectangular grounding ring; 5-grounding lead-out plate; 6-grounding wire; 7-rotary grille machine; 8-screw conveyor; 9-embedded steel plate; 10-first connecting steel plate; 11-second connecting steel plate; 12-water inlet; 13-water outlet; 14-reserved holes; 15-gate opening machine; 16-third connecting steel plate; 17-ladder; 18-fourth connecting steel plate; 19-electric control cabinet; 20-fifth connecting steel plate. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0030] Example:

[0031] like Figure 1 A sewage grid filter device with a grounding mechanism shown includes an inlet pool 1 and an outlet pool 2, characterized in that a plurality of grid pools 3 are arranged between the inlet pool 1 and the outlet pool 2;

[0032] A rectangular grounding ring 4 is arranged on the outside of the water inlet pool 1, the water outlet pool 2 and the plurality of grille pools 3. The rectangular grounding ring 4 is connected to the metal parts inside the water inlet pool 1, the water outlet pool 2 and the plurality of grille pools 3. The rectangular grounding ring 4 is also connected to the grounding wire 6 through a grounding lead-out plate 5.

[0033] like Figure 1 , Figure 2 and Figure 3As shown, a water inlet 12 is provided on the side wall of the water inlet pool 1 away from the grille pool 3, and a water outlet 13 is provided on the side wall of the water outlet pool 2 away from the grille pool 3;

[0034] A plurality of reserved holes 14 are provided on the side walls of the water inlet pool 1 and the water outlet pool 2 near one end of the grille pool 3. The plurality of reserved holes 14 on the water inlet pool 1 are respectively connected to one end of the plurality of grille pools 3, and the plurality of reserved holes 14 on the water outlet pool 2 are respectively connected to the other end of the plurality of grille pools 3.

[0035] like Figure 1 , Figure 2 and Figure 3 As shown, a rotary screen machine 7 is installed in each of the screen pools 3;

[0036] The bottom of the rotary screen machine 7 is located at the bottom of the screen pool 3 , and the top of the rotary screen machine 7 extends out of the top of the screen pool 3 .

[0037] like Figure 1 , Figure 2 and Figure 3 As shown, it also includes a screw conveyor 8 arranged across the plurality of grid pools 3;

[0038] The screw conveyor 8 is located between the top of the rotary grille machine 7 and the upper end surface of the grille pool 3 , and the feeding direction of the screw conveyor 8 is perpendicular to the water flow direction in the grille pool 3 .

[0039] In this embodiment, sewage enters the water inlet 12 into the water inlet pool 1, and then enters the grid pool 3 through a plurality of reserved holes 14. Impurities in the sewage are filtered by the inclined rotary grid machine 7 and transmitted to the top of the rotary grid machine 7, and then fall into the screw conveyor 8. The screw conveyor 8 transmits the filtered impurities to one side of the sewage grid filter device for collection. The filtered sewage enters the water outlet pool 2 through the reserved holes 14 at the other end, and is discharged to the next treatment process through the water outlet 13.

[0040] In this embodiment, the number of the grid pools 3 is two, and the angle between the rotary grid machine 7 and the horizontal plane is 70°. Two feed ports are arranged above the screw conveyor 8, and the two feed ports are respectively located directly below the two rotary grid machines 7.

[0041] like Figure 1 , Figure 2 and Figure 3 As shown, embedded steel plates 9 are provided between adjacent grid pools 3 and between the outermost grid pool 3 and the rectangular grounding ring 4;

[0042] Both side walls of the rotary grille machines 7 are connected to the embedded steel plates 9 on both sides through the first connecting steel plates 10 , and the outermost embedded steel plates 9 are connected to the rectangular grounding ring 4 through the first connecting steel plates 10 .

[0043] like Figure 1 , Figure 2 and Figure 3 As shown, both ends of the screw conveyor 8 are connected to the rectangular grounding ring 4 through a second connecting steel plate 11.

[0044] like Figure 1 , Figure 2 and Figure 3 As shown, the water inlet pool 1 and the water outlet pool 2 are both provided with a gate hoist 15 for controlling the opening and closing of the reserved hole 14;

[0045] The top end of the gate hoist 15 extends out of the upper end surface of the water inlet pool 1 or the water outlet pool 2 , and the gate hoist 15 is connected to the rectangular grounding ring 4 through a third connecting steel plate 16 .

[0046] like Figure 1 , Figure 2 and Figure 3 As shown, ladders 17 are arranged in the water inlet pool 1 , the water outlet pool 2 and the plurality of grille pools 3 along the vertical direction, and the ladders 17 are connected to the rectangular grounding ring 4 through a fourth connecting steel plate 18 .

[0047] like Figure 1 , Figure 2 and Figure 3 As shown, an electric control cabinet 19 is also provided at one end of the water outlet pool 2 away from the grid pool 3 , and the shell of the electric control cabinet 19 is connected to the rectangular grounding ring 4 through a fifth connecting steel plate 20 .

[0048] In this embodiment, a plurality of embedded steel plates 9 are provided, and the plurality of embedded steel plates 9 and the rotary screen machine 7 are connected through a first connecting steel plate 10, and one end of the first connecting steel plate 10, the second connecting steel plate 11, the third connecting steel plate 16, the fourth connecting steel plate 18 and the fifth connecting steel plate 20 are respectively connected to the rectangular grounding ring 4, thereby solving the technical problem that the existing sewage treatment device needs to set up a plurality of grounding wires to connect different metal components respectively, resulting in complex connection of the grounding device and poor connection stability. In this application, the grounding line is regular and simple, and the connection stability is high.

[0049] In this embodiment, the electric control cabinet 19 includes an AC control cabinet and an AR control cabinet.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or replaced by equivalents, and any modification or equivalent replacement that does not depart from the spirit and scope of the utility model should be included in the scope of protection of the claims of the utility model.

Claims

1. A sewage screen filter device with a grounding mechanism, comprising an inlet pool (1) and an outlet pool (2), characterized in that: A plurality of grid pools (3) are arranged between the water inlet pool (1) and the water outlet pool (2); A rectangular grounding ring (4) is provided on the outside of the water inlet pool (1), the water outlet pool (2) and the plurality of grille pools (3); the rectangular grounding ring (4) is connected to metal parts inside the water inlet pool (1), the water outlet pool (2) and the plurality of grille pools (3); the rectangular grounding ring (4) is also connected to a grounding wire (6) via a grounding lead-out plate (5).

2. A sewage grid filter device with a grounding mechanism according to claim 1, characterized in that: A rotary screen machine (7) is installed in each of the screen pools (3); The bottom of the rotary screen machine (7) is located at the bottom of the screen pool (3), and the top of the rotary screen machine (7) extends out of the top of the screen pool (3).

3. A sewage grid filter device with a grounding mechanism according to claim 2, characterized in that: It also includes a screw conveyor (8) arranged across the plurality of grid pools (3); The screw conveyor (8) is located between the top end of the rotary screen machine (7) and the upper end surface of the screen pool (3), and the feeding direction of the screw conveyor (8) is perpendicular to the water flow direction in the screen pool (3).

4. A sewage grid filter device with a grounding mechanism according to claim 3, characterized in that: Embedded steel plates (9) are provided between adjacent grid pools (3) and between the outermost grid pool (3) and the rectangular grounding ring (4); Both side walls of the plurality of rotary grille machines (7) are respectively connected to the embedded steel plates (9) on both sides via first connecting steel plates (10), and the outermost embedded steel plate (9) is connected to the rectangular grounding ring (4) via the first connecting steel plate (10).

5. A sewage grid filter device with a grounding mechanism according to claim 4, characterized in that: Both ends of the screw conveyor (8) are connected to the rectangular grounding ring (4) via a second connecting steel plate (11).

6. A sewage grid filter device with a grounding mechanism according to claim 5, characterized in that: A water inlet (12) is provided on a side wall of the water inlet pool (1) at one end away from the grille pool (3), and a water outlet (13) is provided on a side wall of the water outlet pool (2) at one end away from the grille pool (3); A plurality of reserved holes (14) are provided on the side walls of the water inlet pool (1) and the water outlet pool (2) near one end of the grille pool (3); the plurality of reserved holes (14) on the water inlet pool (1) are respectively connected to one end of the plurality of grille pools (3); and the plurality of reserved holes (14) on the water outlet pool (2) are respectively connected to the other end of the plurality of grille pools (3).

7. A sewage grid filter device with a grounding mechanism according to claim 6, characterized in that: The water inlet pool (1) and the water outlet pool (2) are both provided with a gate hoist (15) for controlling the opening and closing of the reserved hole (14); The top end of the gate hoist (15) extends out of the upper end surface of the water inlet pool (1) or the water outlet pool (2), and the gate hoist (15) is connected to the rectangular grounding ring (4) via a third connecting steel plate (16).

8. A sewage grid filter device with a grounding mechanism according to claim 7, characterized in that: The water inlet pool (1), the water outlet pool (2) and the plurality of grille pools (3) are all provided with ladders (17) in the vertical direction, and the ladders (17) are all connected to the rectangular grounding ring (4) via a fourth connecting steel plate (18).

9. A sewage grid filter device with a grounding mechanism according to claim 8, characterized in that: An electric control cabinet (19) is also provided at one end of the water outlet pool (2) away from the grid pool (3), and the outer shell of the electric control cabinet (19) is connected to the rectangular grounding ring (4) via a fifth connecting steel plate (20).

10. A sewage grid filter device with a grounding mechanism according to claim 1, characterized in that: The number of the grid pools (3) is two.

Images