Wastewater treatment sedimentation tank

Abstract

The utility model relates to the technical field of environmental protection engineering, in particular to a wastewater treatment settling pond, which comprises a settling pond, a support plate, a vertical cylinder, a rotary cylinder, a connecting plate and a first filtering device, wastewater is poured into the settling pond by utilizing the structure, sludge and impurities in the wastewater are filtered by utilizing the first filtering device, and after the filtration, the wastewater is discharged from the settling pond. Through cooperation of the vertical air cylinder and the rotary air cylinder, the first filtering device is moved away from the sedimentation tank, then the first filtering device is subjected to sludge and impurity cleaning, and compared with the prior art, sludge in the sedimentation tank can be cleaned at regular intervals.

Description

Technical Field

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

[0002] In the process of industrial wastewater discharge, sedimentation tanks are often needed to purify the industrial wastewater to reduce the pollution of the living environment by industrial wastewater. However, the existing sedimentation tanks for industrial wastewater treatment have the disadvantage of being inconvenient to clean the sludge, which leads to the long-term use of the sedimentation tank, and the sludge is easy to stick to the inner side of the sedimentation tank, which is very inconvenient to use, affecting the effect of the sedimentation tank in purifying industrial wastewater. It is inconvenient to use and reduces the efficiency and effect of the sedimentation tank. Therefore, there is an urgent need for a wastewater treatment sedimentation tank that can regularly clean the sludge in the sedimentation tank. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a wastewater treatment sedimentation tank, which can regularly clean the sludge in the sedimentation tank.

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

[0005] A sedimentation tank, wherein a water outlet pipe is provided below the bottom of the sedimentation tank, and a battery valve is provided on the water outlet pipe;

[0006] A support plate, the support plate is connected to one side of the sediment in the Y direction;

[0007] A vertical cylinder, the vertical cylinder is connected to the connecting plate, and the cylinder body axial direction of the vertical cylinder is in the vertical direction;

[0008] A rotary cylinder, wherein the cylinder body of the rotary cylinder is connected to the piston rod of the vertical cylinder, and the axial direction of the cylinder body of the rotary cylinder is in the vertical direction;

[0009] A connecting plate, one end of which is connected to the piston rod of the rotary cylinder, and the other end of which is located above the sedimentation tank;

[0010] The first filter device is connected to the connecting plate through a connecting column, the first filter device includes a first filter frame and a second filter frame, the first filter frame is connected to the top of the second filter frame, the first filter is connected to the first filter frame, the second filter net is connected to the second filter frame, and the aperture of the filter hole of the first filter net is larger than the aperture of the filter hole of the second filter net.

[0011] Furthermore, a feed pipe is provided on the side wall of the sedimentation tank, and the feed pipe is located below the second filter screen.

[0012] Furthermore, two stirring devices are provided at the bottom of the sedimentation tank, and the two stirring devices are arranged and distributed in the horizontal direction. The two stirring devices are located below the second filter screen. The stirring device includes a driving motor, a stirring shaft and a stirring rod. The driving motor is connected to the bottom outer wall of the sedimentation tank, and the stirring shaft is located in the sedimentation tank. The stirring shaft is transmission-connected to the output shaft of the driving motor. The axial direction of the stirring shaft is the vertical direction, and a plurality of stirring rods are distributed in a circular array along the axial direction of the stirring shaft.

[0013] Furthermore, a second filter device is provided at the water outlet pipe, and the second filter device is located on a side of the battery valve close to the sedimentation tank. The second filter device includes a rectangular connecting portion and a third filter screen. A accommodating cavity is provided in the rectangular connecting portion, and an opening is provided in the accommodating cavity. The third filter screen is detachably connected to the opening. In the connected state, the third filter screen is located on the path of water outflow from the water outlet pipe.

[0014] Furthermore, a handle is provided on the third filter net.

[0015] The beneficial effect of the utility model is that when waste water is poured into a sedimentation tank, the waste water will accumulate on the top of the first filter device, the waste water will pass through the filter holes of the first filter screen and the filter holes of the second filter screen, and flow to the bottom of the second filter screen, and the sludge and impurities in the waste water will accumulate on the top of the first filter screen and on the top of the second filter screen, thereby achieving the purpose of industrial waste water filtering. When the waste water is filtered, the vertical cylinder drives the connecting plate to move up, so that the first filter device is moved to the top of the sedimentation tank. At this time, the connecting plate is rotated by the rotating cylinder to move the first filter device away from the top of the sedimentation tank, and then the first filter screen and the second filter screen of the first filter device are cleaned to remove the sludge and impurities. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the structure of a wastewater treatment sedimentation tank according to a specific implementation method of the utility model;

[0017] Figure 2 A top view of a wastewater treatment sedimentation tank according to a specific implementation method of the utility model;

[0018] Figure 3 for Figure 2 A-direction cross-sectional view;

[0019] Figure 4 for Figure 3 A magnified view of part A;

[0020] Figure 5 for Figure 3 Enlarged view of part B.

[0021] Description of symbols

[0022] 1. Sedimentation tank; 11. Outlet pipe; 111. Battery valve; 12. Feed pipe;

[0023] 2. Support plate;

[0024] 3. Vertical cylinder;

[0025] 4. Rotating cylinder;

[0026] 5. Connecting plate;

[0027] 6. first filter device; 61. first filter frame; 611. first filter screen; 62. second filter frame; 621. second filter screen;

[0028] 7. stirring device; 71. driving motor; 72. stirring shaft; 73. stirring rod;

[0029] 8. Second filter device; 81. Rectangular connecting portion; 811. Opening; 82. Third filter net; 821. Handle. DETAILED DESCRIPTION

[0030] 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.

[0031] Please refer to Figures 1 to 5 , a wastewater treatment sedimentation tank 1, comprising:

[0032] A sedimentation tank 1, a water outlet pipe 11 is provided below the bottom of the sedimentation tank, and a battery valve 111 is provided on the water outlet pipe 11;

[0033] A support plate 2, the support plate 2 is connected to one side of the sediment in the Y direction;

[0034] A vertical cylinder 3, the vertical cylinder 3 is connected to the connecting plate 5, and the cylinder axial direction of the vertical cylinder 3 is in the vertical direction;

[0035] A rotary cylinder 4, wherein the cylinder body of the rotary cylinder 4 is connected to the piston rod of the vertical cylinder 3, and the axial direction of the cylinder body of the rotary cylinder 4 is in the vertical direction;

[0036] A connecting plate 5, one end of which is connected to the piston rod of the rotary cylinder 4, and the other end of which is located above the sedimentation tank 1;

[0037] The first filter device 6 is connected to the connecting plate 5 through a connecting column. The first filter device 6 includes a first filter frame 61 and a second filter frame 62. The first filter frame 61 is connected to the top of the second filter frame 62. The first filter is connected to the first filter frame 61. The second filter net 621 is connected to the second filter frame 62. The aperture of the filter hole of the first filter net 611 is larger than the aperture of the filter hole of the second filter net 621.

[0038] In the above implementation mode, the waste water is poured into the sedimentation tank 1, and the waste water will accumulate above the first filter device 6. The waste water will pass through the filter holes of the first filter 611 and the filter holes of the second filter and flow to the bottom of the second filter. The sludge and impurities in the waste water will accumulate above the first filter and above the second filter, thereby achieving the purpose of industrial waste water filtration. When the waste water is filtered, the vertical cylinder 3 drives the connecting plate 5 to move upward, so that the first filter device 6 is moved to the top of the sedimentation tank 1. At this time, the connecting plate 5 is rotated by the rotating cylinder 4 to move the first filter device 6 away from the top of the sedimentation tank 1. Then, the first filter 611 and the second filter 621 of the first filter device 6 are cleaned to remove the sludge and impurities.

[0039] As an optional embodiment, a feed pipe 12 is provided on the side wall of the sedimentation tank 1 , and the feed pipe 12 is located below the second filter screen 621 .

[0040] In the above embodiment, the sewage treatment agent is added into the feed pipe 12 to mix and purify the filtered waste water with the sewage treatment machine, and then the battery valve 111 is opened, and the clean water flows out from the outlet pipe 11 .

[0041] As an optional embodiment, two stirring devices 7 are provided at the bottom of the sedimentation tank 1. The two stirring devices 7 are arranged in a horizontal direction and are located below the second filter screen 621. The stirring device 7 includes a driving motor 71, a stirring shaft 72 and a stirring rod 73. The driving motor 71 is connected to the bottom outer wall of the sedimentation tank, the stirring shaft 72 is located in the sedimentation tank, the stirring shaft 72 is connected to the output shaft of the driving motor 71, the axial direction of the stirring shaft 72 is in a vertical direction, and a plurality of stirring rods 73 are distributed in a circular array along the axial direction of the stirring shaft 72.

[0042] In the above embodiment, by providing two stirring devices 7, the mixing of the sewage treatment agent and the filtered wastewater can be accelerated, thereby improving the purification efficiency of the wastewater.

[0043] As an optional embodiment, a second filter device 8 is provided at the outlet pipe 11, and the second filter device 8 is located on the side of the battery valve 111 close to the sedimentation tank 1. The second filter device 8 includes a rectangular connecting portion 81 and a third filter screen 82. A accommodating cavity is provided in the rectangular connecting portion 81, and an opening 811 is provided in the accommodating cavity. The third filter screen 82 is detachably connected to the opening 811. In the connected state, the third filter screen 82 is located on the path of water outflow from the outlet pipe 11.

[0044] In the above embodiment, a third filter screen 82 is provided on the water outlet pipe 11 to prevent some sludge and impurities from flowing out with the water, thereby improving the purification effect of the wastewater. Then, the third filter screen 82 is detachably connected to the water outlet pipe 11, and the third filter screen 82 can be cleaned regularly to avoid blockage and affect the purification effect.

[0045] As an optional implementation, a handle 821 is provided on the third filter screen 82 .

[0046] In the above embodiment, the third filter screen 82 can be easily removed from the rectangular connecting portion 81 for cleaning.

[0047] 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 treatment sedimentation tank, characterized in that: include: A sedimentation tank, wherein a water outlet pipe is provided below the bottom of the sedimentation tank, and a battery valve is provided on the water outlet pipe; A support plate, the support plate is connected to one side of the sediment in the Y direction; A vertical cylinder, the vertical cylinder is connected to the connecting plate, and the cylinder body axial direction of the vertical cylinder is in the vertical direction; A rotary cylinder, the cylinder body of the rotary cylinder is connected to the piston rod of the vertical cylinder, and the axial direction of the cylinder body of the rotary cylinder is in the vertical direction; A connecting plate, one end of which is connected to the piston rod of the rotary cylinder, and the other end of which is located above the sedimentation tank; The first filter device is connected to the connecting plate through a connecting column, the first filter device includes a first filter frame and a second filter frame, the first filter frame is connected to the top of the second filter frame, the first filter is connected to the first filter frame, the second filter net is connected to the second filter frame, and the aperture of the filter hole of the first filter net is larger than the aperture of the filter hole of the second filter net.

2. The wastewater treatment sedimentation tank according to claim 1, characterized in that: A feed pipe is arranged on the side wall of the sedimentation tank, and the feed pipe is located below the second filter screen.

3. The wastewater treatment sedimentation tank according to claim 2, characterized in that: Two stirring devices are provided at the bottom of the sedimentation tank. The two stirring devices are arranged in a horizontal direction and are located below the second filter screen. The stirring device includes a driving motor, a stirring shaft and a stirring rod. The driving motor is connected to the bottom outer wall of the sedimentation tank. The stirring shaft is located in the sedimentation tank. The stirring shaft is transmission-connected to the output shaft of the driving motor. The axial direction of the stirring shaft is in a vertical direction. A plurality of stirring rods are distributed in a circular array along the axial direction of the stirring shaft.

4. The wastewater treatment sedimentation tank according to claim 1, characterized in that: A second filter device is provided at the water outlet pipe. The second filter device is located on a side of the battery valve close to the sedimentation tank. The second filter device includes a rectangular connecting portion and a third filter screen. A accommodating cavity is provided in the rectangular connecting portion. The accommodating cavity is provided with an opening. The third filter screen is detachably connected to the opening. In the connected state, the third filter screen is located on the path of water outflow from the water outlet pipe.

5. The wastewater treatment sedimentation tank according to claim 4, characterized in that: The third filter is provided with a handle.

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