Layered precipitation mechanical water decanter

Abstract

The utility model discloses a layering precipitation mechanical water decanter which comprises a wall body, the inner wall of the wall body is fixedly connected with a supporting base, the top end of the supporting base is fixedly connected with a water skimming main pipe, the surface of the water skimming main pipe is provided with a movable connector, the left side and the right side of the water skimming main pipe are fixedly connected with first flanges, and the first flanges are fixedly connected with second flanges. A sealing gasket is arranged on the side, away from the water skimming main pipe, of the first flange. The filling air bag is placed in the mounting cavities of the first flange and the second flange, the position of the filling air bag is fixed through the mounting cavities, the sealing gasket is placed between the first flange and the second flange, the position of the sealing gasket is fixed through the connecting bolts and the fixing nuts, the sealing performance of the connecting position is guaranteed, and meanwhile the air pump is started. And outside air is pumped into the air inlet pipe and enters the filling air bag to increase the volume of the filling air bag, and the filling air bag is in contact with the inner walls of the first flange and the second flange, so that the sealing effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of decanters, in particular to a stratified sedimentation mechanical decanter. Background Art

[0002] A decanter is a mechanical device primarily used to periodically remove clarified water from the SBR process. It plays a crucial role in the SBR process, decanting clarified water from the still tank surface without disturbing the sediment, thereby ensuring high-quality effluent. There are various types of decanters, including siphon decanters, rotary decanters, self-floating decanters, and mechanical decanters. Rotary decanters are the most widely used in China.

[0003] When the decanter is working, clean water is sent into the skimming branch pipe through the skimming trough, and then into the outlet pipe through the skimming main pipe. The outlet pipe and the skimming main pipe are connected by a flange, and a sealing gasket is used to ensure the sealing of the connection. However, after a period of use, the sealing gasket is prone to aging and the connecting flanges become loose, resulting in clean water leaking from the gap. Utility Model Content

[0004] The purpose of the present utility model is to provide a stratified sedimentation mechanical decanter to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stratified sedimentation mechanical decanter, comprising a wall, the inner wall of the wall is fixedly connected to a support base, the top of the support base is fixedly connected to a skimming main pipe, the surface of the skimming main pipe is provided with a movable joint, the left and right sides of the skimming main pipe are fixedly connected with a first flange, the side of the first flange away from the skimming main pipe is provided with a sealing gasket, the side of the sealing gasket away from the first flange is provided with a second flange, the interior of the second flange is provided with a filling air bag, the surface of the filling air bag is fixedly connected to an air inlet pipe, the end of the air inlet pipe away from the filling air bag is fixedly connected to an air pump, the middle part of the second flange is slidably connected to a connecting bolt, the surface of the connecting bolt is threadedly connected to a fixing nut, and the side of the second flange away from the sealing gasket is fixedly connected to a water outlet pipe.

[0006] As a further preferred embodiment of the present technical solution, an installation cavity is provided inside the first flange and the second flange, the filling airbag is located inside the installation cavity, a plurality of connecting bolts are provided, and the plurality of connecting bolts pass through the sealing gasket and the first flange and extend to the outside, the fixing nut is located on the side of the first flange away from the sealing gasket, and the water outlet pipe is fixedly connected to the wall.

[0007] As a further preferred embodiment of the present technical solution, the top of the water-skimming main pipe is fixedly connected to a water-skimming branch pipe, the top of the water-skimming branch pipe is fixedly connected to a water-skimming trough, and the inner wall of the water-skimming trough is fixedly connected to a float.

[0008] As a further preferred embodiment of the present technical solution, a mounting bracket is fixedly connected to the top of the wall, a first connecting plate is fixedly connected to the side of the mounting bracket close to the water-skimming branch pipe, an electric push rod is rotatably connected to the inside of the first connecting plate, an end of the electric push rod away from the first connecting plate is rotatably connected to a first rotating seat, and a first set of plates is fixedly connected to the side of the first rotating seat away from the electric push rod.

[0009] As a further preferred embodiment of the present technical solution, there are two mounting brackets, both ends of the electric push rod are provided with rotating blocks, and the first set of plates and the water-skimming branch pipe are fixedly connected.

[0010] As a further preferred embodiment of the present technical solution, a second connecting plate is fixedly connected to the side of the wall close to the water-skimming branch pipe, the interior of the second connecting plate is rotatably connected to the first rotating plate, the bottom end of the first rotating plate is rotatably connected to the second rotating plate, the bottom end of the second rotating plate is rotatably connected to the second rotating seat, the side of the second rotating seat away from the second rotating plate is fixedly connected to the second set plate, and the side of the second rotating plate close to the first rotating plate is fixedly connected to a connecting spring.

[0011] As a further preferred embodiment of the present technical solution, there are two second connecting plates, the second set plate is fixedly connected to the water-skimming branch pipe, and the connecting spring is fixedly connected to the first rotating plate.

[0012] The utility model provides a stratified sedimentation mechanical decanter, which has the following beneficial effects:

[0013] (1) The utility model places the filling airbag in the installation cavity of the first flange and the second flange, fixes its position through the installation cavity, places the sealing gasket between the first flange and the second flange, fixes its position with connecting bolts and fixing nuts, and ensures the sealing of the connection. At the same time, the air pump is started to pump external air into the intake pipe and into the filling airbag to increase its volume. The filling airbag contacts the inner walls of the first flange and the second flange, thereby improving the sealing effect.

[0014] (2) The utility model is that when the electric push rod is working, the water-skimming main pipe rotates through the movable joint, and the water-skimming branch pipe is tilted. At the same time, the first rotating plate rotates in the second connecting plate, and the first rotating plate and the second rotating plate rotate relative to each other, and the connecting spring is squeezed and contracted, thereby adapting to the rotation of the water-skimming branch pipe and ensuring stability during operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the bottom-up structure of the present invention;

[0017] Figure 3 This is a schematic diagram of the structure of the water-skimming main pipe and water-skimming branch pipe of the utility model;

[0018] Figure 4 This is a schematic diagram of the filling airbag structure of the present utility model.

[0019] In the figure: 1. Wall; 2. Support base; 3. Water-skimming main pipe; 4. Movable joint; 5. First flange; 6. Sealing gasket; 7. Second flange; 8. Filling airbag; 9. Air inlet pipe; 10. Air pump; 11. Connecting bolt; 12. Fixing nut; 13. Water outlet pipe; 14. Water-skimming branch pipe; 15. Water-skimming trough; 16. Float; 17. Mounting frame; 18. First connecting plate; 19. Electric push rod; 20. First rotating seat; 21. First set of plates; 22. Second connecting plate; 23. First rotating plate; 24. Second rotating plate; 25. Second rotating seat; 26. Second set of plates; 27. Connecting spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0021] The utility model provides a technical solution: Figure 1 and Figure 4 As shown, in this embodiment, a stratified sedimentation mechanical decanter includes a wall 1, the inner wall of the wall 1 is fixedly connected to a support base 2, the top of the support base 2 is fixedly connected to a skimming pipe 3, the surface of the skimming pipe 3 is provided with a movable joint 4, the left and right sides of the skimming pipe 3 are fixedly connected with a first flange 5, the side of the first flange 5 away from the skimming pipe 3 is provided with a sealing gasket 6, the side of the sealing gasket 6 away from the first flange 5 is provided with a second flange 7, the interior of the second flange 7 is provided with a filling air bag 8, the surface of the filling air bag 8 is fixedly connected to an air inlet pipe 9, the end of the air inlet pipe 9 away from the filling air bag 8 is fixedly connected to an air pump 10, the middle of the second flange 7 is slidably connected to a connecting bolt 11, the surface of the connecting bolt 11 is threadedly connected to a fixing nut 12, and the side of the second flange 7 away from the sealing gasket 6 is fixedly connected to a water outlet pipe 13.

[0022] By placing the filling airbag 8 in the installation cavity of the first flange 5 and the second flange 7, fixing its position through the installation cavity, placing the sealing gasket 6 between the first flange 5 and the second flange 7, fixing its position with the connecting bolts 11 and the fixing nuts 12, and ensuring the sealing of the connection, the air pump 10 is started at the same time to pump the outside air into the intake pipe 9 and into the filling airbag 8 to increase its volume. The filling airbag 8 contacts the inner walls of the first flange 5 and the second flange 7, thereby improving the overall sealing effect.

[0023] The first flange 5 and the second flange 7 are both provided with installation cavities, the filling air bag 8 is located inside the installation cavity, and there are multiple connecting bolts 11. The multiple connecting bolts 11 pass through the sealing gasket 6 and the first flange 5 and extend to the outside. The fixing nut 12 is located on the side of the first flange 5 away from the sealing gasket 6, and the water outlet pipe 13 is fixedly connected to the wall 1.

[0024] The top of the water skimming main pipe 3 is fixedly connected to a water skimming branch pipe 14 , the top of the water skimming branch pipe 14 is fixedly connected to a water skimming trough 15 , and the inner wall of the water skimming trough 15 is fixedly connected to a float 16 .

[0025] The top of the wall 1 is fixedly connected to a mounting bracket 17, and the side of the mounting bracket 17 close to the water-skimming branch pipe 14 is fixedly connected to a first connecting plate 18. The inside of the first connecting plate 18 is rotatably connected to an electric push rod 19, and the end of the electric push rod 19 away from the first connecting plate 18 is rotatably connected to a first rotating seat 20, and the side of the first rotating seat 20 away from the electric push rod 19 is fixedly connected to a first set plate 21.

[0026] There are two mounting brackets 17 , and both ends of the electric push rod 19 are provided with rotating blocks. The first set of plates 21 and the water-skimming branch pipe 14 are fixedly connected.

[0027] A second connecting plate 22 is fixedly connected to one side of the wall 1 close to the water-skimming branch pipe 14, the interior of the second connecting plate 22 is rotatably connected to the first rotating plate 23, the bottom end of the first rotating plate 23 is rotatably connected to the second rotating plate 24, the bottom end of the second rotating plate 24 is rotatably connected to the second rotating seat 25, the side of the second rotating seat 25 away from the second rotating plate 24 is fixedly connected to the second set plate 26, and the side of the second rotating plate 24 close to the first rotating plate 23 is fixedly connected to a connecting spring 27.

[0028] When the electric push rod 19 is working, the water-skimming main pipe 3 rotates through the movable joint 4, and the water-skimming branch pipe 14 is tilted. At the same time, the first rotating plate 23 rotates in the second connecting plate 22, and the first rotating plate 23 and the second rotating plate 24 rotate relative to each other. The connecting spring 27 is squeezed and contracted, thereby adapting to the rotation of the water-skimming branch pipe 14 and ensuring stability during operation.

[0029] There are two second connecting plates 22 , the second set plate 26 is fixedly connected to the water-skimming branch pipe 14 , and the connecting spring 27 is fixedly connected to the first rotating plate 23 .

[0030] The utility model provides a stratified sedimentation mechanical decanter, the specific working principle of which is as follows:

[0031] When in use, place the filling airbag 8 in the installation cavity of the first flange 5 and the second flange 7, fix its position through the installation cavity, place the sealing gasket 6 between the first flange 5 and the second flange 7, use the connecting bolts 11 and the fixing nuts 12 to fix its position, and ensure the sealing of the connection. At the same time, start the air pump 10 to pump the outside air into the air inlet pipe 9 and into the filling airbag 8 to increase its volume. The filling airbag 8 contacts the inner wall of the first flange 5 and the second flange 7, thereby sealing the connection internally. During operation, the electric push rod 19 is started. Due to its length change, it rotates inside the first connecting plate 18 and the first rotating seat 20, and pushes the skimming branch pipe 14 to move downward in the longitudinal direction. The first rotating plate 23 and the second rotating plate 24 rotate relative to each other, and the connecting spring 27 is squeezed and contracted. At the same time, the skimming main pipe 3 rotates through the movable joint 4. After rotating to a certain angle, the clean water from the upper layer of the sedimentation tank enters the skimming branch pipe 14 through the skimming trough 15, and flows through the skimming main pipe 3 and out of the outlet pipe 13, thereby realizing the solid-liquid separation of sewage.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stratified sedimentation mechanical decanter, comprising a wall (1), characterized in that: The inner wall of the wall (1) is fixedly connected to a support base (2), the top of the support base (2) is fixedly connected to a water-skimming main pipe (3), the surface of the water-skimming main pipe (3) is provided with a movable joint (4), the left and right sides of the water-skimming main pipe (3) are fixedly connected to a first flange (5), a sealing gasket (6) is provided on the side of the first flange (5) away from the water-skimming main pipe (3), a second flange (7) is provided on the side of the sealing gasket (6) away from the first flange (5), a filling air bag (8) is provided inside the second flange (7), the surface of the filling air bag (8) is fixedly connected to an air inlet pipe (9), the end of the air inlet pipe (9) away from the filling air bag (8) is fixedly connected to an air pump (10), the middle part of the second flange (7) is slidably connected to a connecting bolt (11), the surface of the connecting bolt (11) is threadedly connected to a fixing nut (12), and the side of the second flange (7) away from the sealing gasket (6) is fixedly connected to a water outlet pipe (13).

2. The stratified sedimentation mechanical decanter according to claim 1, characterized in that: The first flange (5) and the second flange (7) are both provided with an installation cavity, the filling air bag (8) is located inside the installation cavity, a plurality of the connecting bolts (11) are provided, and the plurality of connecting bolts (11) penetrate the sealing gasket (6) and the first flange (5) and extend to the outside, the fixing nut (12) is located on a side of the first flange (5) away from the sealing gasket (6), and the water outlet pipe (13) is fixedly connected to the wall (1).

3. The stratified sedimentation mechanical decanter according to claim 1, characterized in that: The top of the water-skimming main pipe (3) is fixedly connected to a water-skimming branch pipe (14), the top of the water-skimming branch pipe (14) is fixedly connected to a water-skimming trough (15), and the inner wall of the water-skimming trough (15) is fixedly connected to a buoy (16).

4. The stratified sedimentation mechanical decanter according to claim 1, characterized in that: The top of the wall (1) is fixedly connected to a mounting frame (17), a side of the mounting frame (17) close to the water-skimming branch pipe (14) is fixedly connected to a first connecting plate (18), an electric push rod (19) is rotatably connected inside the first connecting plate (18), an end of the electric push rod (19) away from the first connecting plate (18) is rotatably connected to a first rotating seat (20), and a side of the first rotating seat (20) away from the electric push rod (19) is fixedly connected to a first set plate (21).

5. The stratified sedimentation mechanical decanter according to claim 4, characterized in that: There are two mounting frames (17), both ends of the electric push rod (19) are provided with rotating blocks, and the first sleeve (21) and the water-skimming branch pipe (14) are fixedly connected.

6. The stratified sedimentation mechanical decanter according to claim 1, characterized in that: A second connecting plate (22) is fixedly connected to a side of the wall (1) close to the water-skimming branch pipe (14); a first rotating plate (23) is rotatably connected to the interior of the second connecting plate (22); a second rotating plate (24) is rotatably connected to the bottom end of the first rotating plate (23); a second rotating seat (25) is rotatably connected to the bottom end of the second rotating plate (24); a second sleeve plate (26) is fixedly connected to the side of the second rotating seat (25) away from the second rotating plate (24); and a connecting spring (27) is fixedly connected to the side of the second rotating plate (24) close to the first rotating plate (23).

7. The stratified sedimentation mechanical decanter according to claim 6, characterized in that: The number of the second connecting plates (22) is two, the second sleeve plate (26) is fixedly connected to the water-skimming branch pipe (14), and the connecting spring (27) is fixedly connected to the first rotating plate (23).

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