Wastewater pretreatment device

Abstract

The utility model relates to the technical field of environmental protection engineering, in particular to a wastewater pretreatment device which comprises a water spraying head, a first filtering device, a second filtering device, a first driving part and a second driving part, and the first filtering device and the second filtering device are driven by the first driving part and the second driving part to be switched back and forth. Therefore, the problem of low wastewater treatment efficiency caused by overlong pause time of wastewater treatment equipment is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental protection engineering, in particular to a wastewater pretreatment device. Background Art

[0002] There are usually a large amount of solid debris in wastewater, such as domestic garbage, sand, leaves, etc. When purifying wastewater, it is necessary to filter out the solid debris in the wastewater in advance. The existing method of filtering solid debris is to place a filter screen. When there are too many debris on the screen, the wastewater will be blocked. The wastewater treatment equipment needs to be suspended, the filter screen is removed, and the impurities on the filter screen are cleaned. Due to the long manual cleaning time, the suspension time of the wastewater treatment equipment is too long, which reduces the wastewater treatment efficiency. Therefore, a wastewater pretreatment device is urgently needed to solve the problem of low wastewater treatment efficiency caused by the long suspension time of the wastewater treatment equipment. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a wastewater pretreatment device to solve the problem of low wastewater treatment efficiency caused by long suspension time of wastewater treatment equipment.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a wastewater pretreatment device, comprising:

[0005] Pedestal;

[0006] A wastewater treatment box is connected to the base, a wastewater inlet is provided at the top of the wastewater treatment box, and a through opening is provided at the side wall of the wastewater treatment box;

[0007] A water spray head, which is connected to the base and is located on both sides of the wastewater treatment tank;

[0008] A first filter device, the first filter device comprises a driving motor, a filter screen and a connecting plate, two connecting plates are respectively connected to two sides of the filter screen, the shape of the connecting plates matches the shape of the opening, the output shaft of the driving motor is connected to the first connecting plate on one side of the filter screen, and the first filter device is connected to the base by moving along the X direction or the reverse direction of the X direction;

[0009] A second filter device, the second filter device is located in the opposite direction of the X direction of the first filter device, the mechanism of the second filter device is the same as the structure of the first filter device, and the second filter device is connected to the base by moving along the X direction or the opposite direction of the X direction;

[0010] A first driving member, the first driving member is used to drive the first filtering device to move;

[0011] A second driving member, the second driving member is used to drive the second filtering device to move;

[0012] The first driving member and the second driving member drive the first filtering device and the second filtering device to switch between the first state and the second state;

[0013] In the first state, the filter screen of the first filter device is located directly below the wastewater inlet in the wastewater treatment tank, the connecting plate of the first filter device covers the opening, and the filter screen of the second filter device is located directly below the X-direction reverse water spray head;

[0014] In the second state, the filter screen of the second filter device is located directly below the wastewater inlet in the wastewater treatment tank, the connecting plate of the second filter device covers the opening, and the filter screen of the first filter device is located directly below the X-direction water spray head.

[0015] Furthermore, the wastewater pretreatment device also includes a first guide rail and a first slider. The first guide rail is connected to the base. The axial direction of the first guide rail is the X direction. The first filtering device is located between the X-direction water spray head and the first guide rail. The first slider is slidably connected to the first guide rail. The driving motor of the first filtering device is connected to the first slider.

[0016] Furthermore, the wastewater pretreatment device also includes a second guide rail and a second slider, the second guide rail is connected to the base, the axial direction of the second guide rail is the X direction, the second filtering device is located between the X-direction reverse water spray head and the second guide rail, the second slider is slidably connected to the second guide rail, and the driving motor of the second filtering device is connected to the second slider.

[0017] Furthermore, the first driving member and the second driving member are both air cylinders, electric push cylinders or hydraulic cylinders.

[0018] Furthermore, it also includes a connecting column and a rotating joint. The connecting plate on one side of the second filter device is connected to the connecting plate on one side of the first filter device through the connecting column, and the rotating joint is connected to the connecting column.

[0019] Furthermore, the connecting plate is in a rectangular shape.

[0020] The beneficial effect of the utility model is that, compared with the prior art, by arranging a water spray head, a first filter device, a second filter device, a first drive member and a second drive member, the first drive member and the second drive member drive the first filter device and the second filter device to switch back and forth, thereby solving the problem of low wastewater treatment efficiency caused by long suspension time of wastewater treatment equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a wastewater pretreatment device according to a specific implementation mode of the utility model;

[0022] Figure 2 A top view of a wastewater pretreatment device according to a specific embodiment of the utility model;

[0023] Figure 3 for Figure 2 A-direction cross-sectional view;

[0024] Figure 4 for Figure 3 A magnified view of part A;

[0025] Figure 5 It is a front view of a wastewater pretreatment device according to a specific embodiment of the utility model;

[0026] Figure 6 for Figure 5 B-direction cross-sectional view.

[0027] Description of symbols

[0028] 1. Base;

[0029] 2. Wastewater treatment tank; 21. Wastewater inlet;

[0030] 3. Sprinkler head;

[0031] 4. first filter device; 41. connecting plate; 42. filter screen; 43. drive motor;

[0032] 5. Second filtering device;

[0033] 6. A first driving member;

[0034] 7. A second driving member;

[0035] 8. first guide rail; 81. first slider;

[0036] 9. second guide rail; 91. second slide block;

[0037] 10. Connecting column;

[0038] 11. Rotary joint. DETAILED DESCRIPTION

[0039] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0040] Please refer to Figures 1 to 6 , a wastewater pretreatment device, comprising:

[0041] Base 1;

[0042] A wastewater treatment box 2, the wastewater treatment box 2 is connected to the base 1, a wastewater inlet 21 is provided at the upper portion of the wastewater treatment box 2, and a through opening is provided at the side wall of the wastewater treatment box 2;

[0043] A water spray head 3, which is connected to the base 1 and is located on both sides of the wastewater treatment tank 2;

[0044] The first filter device 4 includes a driving motor 43, a filter screen 42 and a connecting plate 41. The two connecting plates 41 are respectively connected to the two sides of the filter screen 42. The shape of the connecting plate 41 matches the shape of the opening. The output shaft of the driving motor 43 is connected to the first connecting plate 41 on one side of the filter screen 42. The first filter device 4 moves along the X direction or the reverse direction of the X direction and is connected to the base 1.

[0045] The second filter device 5 is located in the opposite direction of the first filter device 4 in the X direction. The mechanism of the second filter device 5 is the same as that of the first filter device 4. The second filter device 5 is connected to the base 1 by moving along the X direction or the opposite direction of the X direction;

[0046] A first driving member 6, the first driving member 6 is used to drive the first filtering device 4 to move;

[0047] A second driving member 7, the second driving member 7 is used to drive the second filtering device 5 to move;

[0048] The first driving member 6 and the second driving member 7 drive the first filtering device 4 and the second filtering device 5 to switch between the first state and the second state;

[0049] In the first state, the filter screen 42 of the first filter device 4 is located directly below the wastewater inlet 21 in the wastewater treatment tank 2, the connecting plate 41 of the first filter device 4 covers the opening, and the filter screen 42 of the second filter device 5 is located directly below the X-direction reverse water spray head 3;

[0050] In the second state, the filter screen 42 of the second filter device 5 is located directly below the wastewater inlet 21 in the wastewater treatment box 2, the connecting plate 41 of the second filter device 5 covers the opening, and the filter screen 42 of the first filter device 4 is located directly below the X-direction water spray head 3.

[0051] In the above embodiment, the first filter device 4 is switched to the first state, so that the filter screen 42 of the first filter device 4 is located directly below the wastewater inlet 21 of the wastewater treatment box 2, and the filter screen 42 of the second filter device 5 is located directly below the X-direction reverse water spray head 3, and then the wastewater is passed into the wastewater treatment box 2 from the wastewater inlet 21, and impurities fall on the filter screen 42 of the first filter device 4. When it is necessary to clean the filter screen 42 of the first filter device 4, it only takes a while to clean the filter screen 42 of the first filter device 4. By switching the first filter device 4 to the second state, the filter screen 42 of the second filter device 5 is located at the wastewater treatment box 2. Directly below the wastewater inlet 21 in the box 2, the connecting plate 41 of the second filter device 5 covers the opening, and the filter screen 42 of the first filter device 4 is located directly below the X-direction water spray head 3. The first drive motor 43 drives the connecting plate 41 of the first filter device 4 to rotate 180°, driving the filter of the first filter device 4 to rotate 180°, and the water spray head 3 performs high-pressure spraying on the filter screen 42 of the first filter device 4, and the filter screen 42 of the second filter device 5 continues to filter garbage impurities. Compared with the prior art, the problem of low wastewater treatment efficiency caused by the long suspension time of the wastewater treatment equipment is solved.

[0052] As an optional embodiment, the wastewater pretreatment device also includes a first guide rail 8 and a first slider 81. The first guide rail 8 is connected to the base 1. The axial direction of the first guide rail 8 is the X direction. The first filtering device 4 is located between the water spray head 3 and the first guide rail 8. The first slider 81 is slidably connected to the first guide rail 8. The driving motor 43 of the first filtering device 4 is connected to the first slider 81.

[0053] In the above embodiment, by providing the first slider 81 and the first guide rail 8, not only can the first filter device 4 be ensured to stably move in the X direction or the X reverse direction, but also the drive motor 43 of the first filter device 4 can be supported to increase the overall stability.

[0054] As an optional embodiment, the wastewater pretreatment device also includes a second guide rail 9 and a second slider 91, the second guide rail 9 is connected to the base 1, the axial direction of the second guide rail 9 is the X direction, the second filtering device 5 is located between the water spray head 3 and the second guide rail 9, the second slider 91 is slidably connected to the second guide rail 9, and the driving motor 43 of the second filtering device 5 is connected to the second slider 91.

[0055] In the above embodiment, by providing the second slider 91 and the second guide rail 9, not only can the second filter device 5 be ensured to stably move in the X direction or the X reverse direction, but also the drive motor 43 of the second filter device 5 can be supported to increase the overall stability.

[0056] As an optional implementation, the first driving member 6 and the second driving member 7 are both air cylinders, electric push cylinders or hydraulic cylinders.

[0057] As an optional embodiment, it also includes a connecting column 10 and a rotating joint 11. The connecting plate 41 on one side of the second filter device 5 is connected to the connecting plate 41 on one side of the first filter device 4 through the connecting column 10, and the rotating joint 11 is connected to the connecting column 10.

[0058] In the above embodiment, by connecting the first filtering device 4 and the second filtering device 5 , the stability of the entire device can be increased.

[0059] As an optional implementation, the connecting plate 41 is rectangular.

[0060] In the above embodiment, by setting the connecting plate 41 in a rectangular shape, it can be ensured that when the first filter device 4 rotates, the connecting plate 41 of the second filter device 5 will not rotate at the opening due to inertia.

[0061] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A wastewater pretreatment device, characterized in that: include: Pedestal; A wastewater treatment box is connected to the base, a wastewater inlet is provided at the top of the wastewater treatment box, and a through opening is provided at the side wall of the wastewater treatment box; A water spray head, which is connected to the base and is located on both sides of the wastewater treatment tank; A first filter device, the first filter device comprises a driving motor, a filter screen and a connecting plate, two connecting plates are respectively connected to two sides of the filter screen, the shape of the connecting plates matches the shape of the opening, the output shaft of the driving motor is connected to the first connecting plate on one side of the filter screen, and the first filter device is connected to the base by moving along the X direction or the reverse direction of the X direction; A second filter device, the second filter device is located in the opposite direction of the X direction of the first filter device, the mechanism of the second filter device is the same as the structure of the first filter device, and the second filter device is connected to the base by moving along the X direction or the opposite direction of the X direction; A first driving member, the first driving member is used to drive the first filtering device to move; A second driving member, the second driving member is used to drive the second filtering device to move; The first driving member and the second driving member drive the first filtering device and the second filtering device to switch between the first state and the second state; In the first state, the filter screen of the first filter device is located directly below the wastewater inlet in the wastewater treatment tank, the connecting plate of the first filter device covers the opening, and the filter screen of the second filter device is located directly below the X-direction reverse water spray head; In the second state, the filter screen of the second filter device is located directly below the wastewater inlet in the wastewater treatment tank, the connecting plate of the second filter device covers the opening, and the filter screen of the first filter device is located directly below the X-direction water spray head.

2. The wastewater pretreatment device according to claim 1, characterized in that: The wastewater pretreatment device also includes a first guide rail and a first slider. The first guide rail is connected to the base. The axial direction of the first guide rail is the X direction. The first filtering device is located between the X direction water spray head and the first guide rail. The first slider is slidably connected to the first guide rail. The driving motor of the first filtering device is connected to the first slider.

3. The wastewater pretreatment device according to claim 1, characterized in that: The wastewater pretreatment device also includes a second guide rail and a second slider. The second guide rail is connected to the base. The axial direction of the second guide rail is the X direction. The second filtering device is located between the X direction reverse water spray head and the second guide rail. The second slider is slidably connected to the second guide rail. The driving motor of the second filtering device is connected to the second slider.

4. The wastewater pretreatment device according to claim 1, characterized in that: The first driving member and the second driving member are both air cylinders, electric push cylinders or hydraulic cylinders.

5. The wastewater pretreatment device according to claim 1, characterized in that: It also includes a connecting column and a rotating joint. The connecting plate on one side of the second filter device is connected to the connecting plate on one side of the first filter device through the connecting column, and the rotating joint is connected to the connecting column.

6. The wastewater pretreatment device according to claim 5, characterized in that: The connecting plate is rectangular in shape.

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