Rapid sand setting device for sewage

Abstract

The utility model discloses a sewage rapid sand setting device which comprises a bottom plate, one side of the upper end of the bottom plate is connected with a frame body, one side of the lower end of the inner wall of the frame body is connected with a supporting block, and a sludge pump is arranged above the supporting block. According to the rapid sand setting device for the sewage, the sewage is pumped into the frame body through the sludge pump, sand grains contained in the sewage are better filtered through the C-shaped plate, the first filter screen, the second filter screen and the third filter screen, and the filtered sewage is discharged through the water outlet pipe for next treatment. According to the utility model, during continuous collision of separated stones, organic matters on sand grains can be effectively reduced, and odor is not released during operation, so that the operation environment is not influenced, and the occupied area is small and the working efficiency is high compared with a grit chamber.

Description

Technical Field

[0001] The utility model relates to the field of sewage treatment, in particular to a sewage rapid sand settling device. Background Art

[0002] Urban sewage contains some inorganic particles with high density - sand. If a sand settling device is not set up to remove it, a large amount of sand will enter the subsequent treatment unit, bringing many hidden dangers to the production and operation of the sewage treatment plant. Sand entering the primary sedimentation tank will accelerate the wear of the scraper, cause the sludge discharge pipe to be blocked, and increase the difficulty of gravity sludge discharge; gravel sand entering the sludge dewatering system will aggravate the wear of the filter cloth and the centrifugal dewatering machine; and at the same time have an adverse effect on the aerator. The commonly used sand settling device is the sand settling tank. The sand removal effect of the horizontal flow sand settling tank is unstable, and it cannot separate the organic matter on the sand particles; the aerated sand settling tank will affect the operating environment. In addition to the above problems, the sand settling tank generally occupies a large area and takes a long time to settling. Utility Model Content

[0003] The main purpose of the utility model is to provide a sewage rapid sand settling device, which can effectively solve the problems of unstable sand removal effect, inability to separate organic matter on sand particles, large floor space and long sand settling time.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A sewage rapid sand settling device comprises a bottom plate, one side of the upper end of the bottom plate is connected to a frame, one side of the lower end of the inner wall of the frame is connected to a support block, the upper end of the support block is connected to a mud pump, the middle of the lower end of the inner wall of the frame is connected to a partition, the upper end of the partition is connected to the upper end of the inner wall of the frame, the output end of the mud pump is connected to a fixed pipe, one end of the fixed pipe extends through one side of the partition, the middle of one side of the partition and the middle of one side of the inner wall of the frame are both provided with a slide groove, and a filter component is slidably connected inside the slide groove.

[0006] Preferably, the filter assembly includes C-type plates, and the number of the C-type plates is two groups. A first motor is connected to the lower part of one side of the partition, and the output end of the first motor extends through and extends to one side of the partition and is connected to a cam. The upper end of the cam contacts one side of the lower end of one of the C-type plates, and a first filter is slidably connected to the upper part between the two C-type plates, a second filter is connected below the first filter, and a third filter is connected below the second filter, and both ends of the second filter and the third filter are respectively located on one side of the two C-type plates and are slidably connected.

[0007] Preferably, the mesh size of the second filter screen is smaller than that of the first filter screen, and the mesh size of the third filter screen is smaller than that of the second filter screen.

[0008] Preferably, the upper end and the lower end of the inner walls of the two slide grooves are connected with buffer springs, and the buffer springs are respectively connected to the upper end and the lower end of the two C-shaped plates.

[0009] Preferably, a slanted block is connected to one side of the lower end of the inner wall of the frame, and a water outlet pipe is connected to the lower part of one side of the frame corresponding to the upper end of the slanted block.

[0010] Preferably, a water inlet pipe is connected to the lower end of the mud pump, and the water inlet pipe passes through the support block, the frame and the bottom plate in sequence and extends to the lower end of the bottom plate.

[0011] Preferably, a mud outlet pipe is connected to the lower portion of one side of the frame corresponding to the partition.

[0012] Preferably, a connecting door is provided on an upper portion of one side of the frame corresponding to the mud outlet pipe.

[0013] Beneficial Effects

[0014] Compared with the prior art, the utility model provides a sewage rapid sand settling device, which has the following features:

[0015] Beneficial effects:

[0016] 1. The sewage rapid sand settling device can separate sand from sewage faster and better through the C-type plate, the first filter screen, the second filter screen and the third filter screen, and can directly discharge the separated sewage to the subsequent treatment unit.

[0017] 2. The sewage rapid sand settling device, through the set chute, C-shaped plate, first motor and cam, can always drive the C-shaped plate to slide up and down inside the chute, drive the first filter screen, the second filter screen and the third filter screen to shake up and down, and prevent silt from clogging multiple filter screens. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a cross-sectional view of the utility model;

[0020] Figure 3 This utility model Figure 2 Schematic diagram of the enlarged structure of A;

[0021] In the figure: 1, bottom plate; 2, frame; 3, support block; 4, mud pump; 5, partition; 6, fixed pipe; 7, slide groove; 8, C-type plate; 9, first motor; 10, cam; 11, first filter screen; 12, second filter screen; 13, third filter screen; 14, inclined block; 15, water outlet pipe; 16, mud outlet pipe; 17, connecting door. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1-3 As shown, a sewage rapid sand settling device comprises a bottom plate 1, one side of the upper end of the bottom plate 1 is connected to a frame 2, the lower end of the frame 2 is connected to one side of the upper end of the bottom plate 1, one side of the lower end of the inner wall of the frame 2 is connected to a support block 3, the upper end of the support block 3 is connected to a mud pump 4, the middle part of the lower end of the inner wall of the frame 2 is connected to a partition 5, the end of the partition 5 is connected to the upper end of the inner wall of the frame 2, and the output end of the mud pump 4 is connected to a fixed pipe 6 for convenient sewage transportation, one end of the fixed pipe 6 extends through and extends to one side of the partition 5, the middle part of one side of the partition 5 and the middle part of one side of the inner wall of the frame 2 are both provided with a slide groove 7, which drives the filter assembly to shake, and the filter assembly is slidably connected inside the slide groove 7, and the filter assembly comprises a C-type plate 8, and the number of C-type plates 8 is two groups, a first motor 9 is connected to the lower part of one side of the partition 5, and the output end of the first motor 9 extends through and extends to one side of the partition 5 and is connected to a cam 10, which drives the C-type plate 8 to move up and down, and the upper end of the cam 10 is connected to the One side of the lower end of a C-shaped plate 8 is in contact, and a first filter screen 11 is slidably connected to the upper part between the two C-shaped plates 8, a second filter screen 12 is connected below the first filter screen 11, and a third filter screen 13 is connected below the second filter screen 12. Two ends of the second filter screen 12 and two ends of the third filter screen 13 are respectively located on one side of the two C-shaped plates 8 and are slidably connected. The mesh of the second filter screen 12 is smaller than that of the first filter screen 11, and the mesh of the third filter screen 13 is smaller than that of the second filter screen 12. Buffer springs are connected to the upper and lower ends of the inner walls of the two chutes 7 to buffer the two C-shaped plates 8. Multiple buffer springs are respectively connected to the upper and lower ends of the two C-shaped plates 8. An inclined block 14 is connected to one side of the lower end of the inner wall of the frame 2, and a water outlet pipe 15 is connected to the upper end of the inclined block 14 corresponding to the lower part of one side of the frame 2. A mud outlet pipe 16 is connected to the lower part of one side of the frame 2 corresponding to the partition 5, and a connecting door 17 is provided on the upper part of one side of the frame 2 corresponding to the mud outlet pipe 16.

[0024] It should be noted that the utility model is a sewage rapid sand settling device. When in use, the mud pump 4 works, the sewage enters one side of the partition 5 through the fixed pipe 6, and the sewage falls into the upper end of the first filter screen 11. The sewage moves downward through the first filter screen 11, the second filter screen 12 and the third filter screen 13, and is discharged through the outlet pipe 15. The first motor 9 drives the cam 10 to rotate, and the cam 10 collides with the C-type plate 8 to avoid blockage of the first filter screen 11, the second filter screen 12 and the third filter screen 13. Finally, by opening the connecting door 17, the first filter screen 11, the second filter screen 12 and the third filter screen 13 are taken out in turn to clean the sand on their upper ends, and the sand and gravel in the sewage are separated more stably and quickly. The separated stones can effectively reduce the organic matter on the sand particles in the continuous collision. The device will not release odor during operation, so it will not affect the operating environment. At the same time, the device has a small footprint and high work efficiency compared to the sand settling tank.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A sewage rapid sand settling device, comprising a bottom plate (1), characterized in that: One side of the upper end of the bottom plate (1) is connected to a frame (2), one side of the lower end of the inner wall of the frame (2) is connected to a support block (3), the upper end of the support block (3) is connected to a mud pump (4), the middle of the lower end of the inner wall of the frame (2) is connected to a partition (5), the upper end of the partition (5) is connected to the upper end of the inner wall of the frame (2), the output end of the mud pump (4) is connected to a fixed pipe (6), one end of the fixed pipe (6) extends through one side of the partition (5), the middle of one side of the partition (5) and the middle of one side of the inner wall of the frame (2) are both provided with a slide groove (7), and a filter component is slidably connected inside the slide groove (7).

2. A sewage rapid sand settling device according to claim 1, characterized in that: The filter assembly comprises a C-shaped plate (8), wherein the number of the C-shaped plates (8) is two groups, a first motor (9) is connected to the lower part of one side of the partition plate (5), an output end of the first motor (9) extends through and is connected to a cam (10) on one side of the partition plate (5), an upper end of the cam (10) contacts one side of the lower end of one of the C-shaped plates (8), a first filter screen (11) is slidably connected to the upper part between the two C-shaped plates (8), a second filter screen (12) is connected below the first filter screen (11), a third filter screen (13) is connected below the second filter screen (12), and two ends of the second filter screen (12) and two ends of the third filter screen (13) are slidably connected to one side of the two C-shaped plates (8) respectively.

3. A sewage rapid sand settling device according to claim 2, characterized in that: The mesh size of the second filter screen (12) is smaller than that of the first filter screen (11), and the mesh size of the third filter screen (13) is smaller than that of the second filter screen (12).

4. A sewage rapid sand settling device according to claim 2, characterized in that: The upper and lower ends of the inner walls of the two slide grooves (7) are both connected with buffer springs, and the buffer springs are respectively connected to the upper and lower ends of the two C-shaped plates (8).

5. A sewage rapid sand settling device according to claim 1, characterized in that: A sloping block (14) is connected to one side of the lower end of the inner wall of the frame (2), and a water outlet pipe (15) is connected to the lower part of one side of the frame (2) corresponding to the upper end of the sloping block (14).

6. A sewage rapid sand settling device according to claim 1, characterized in that: The mud pump (4) passes through the support block (3), the frame (2) and the bottom plate (1) in sequence, and extends to the lower end of the bottom plate (1).

7. A sewage rapid sand settling device according to claim 1, characterized in that: A mud discharge pipe (16) is connected to the lower part of one side of the frame (2) corresponding to the partition (5).

8. A sewage rapid sand settling device according to claim 1, characterized in that: A connecting door (17) is provided on the upper portion of one side of the frame (2) corresponding to the mud outlet pipe (16).

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