Sedimentation tank suction dredger with backwashing function

Abstract

The sedimentation tank suction dredger comprises a suction dredger body, the suction dredger body is installed on a sedimentation tank through a fixing frame, a blow-off pipe is fixedly installed at an outlet of the suction dredger body, and meanwhile a sewage suction pipe is fixedly installed at a sewage inlet of the suction dredger body. The end, away from the suction dredger body, of the sewage suction pipe is movably connected with an adjusting pipe, and connecting columns are fixedly welded to the two sides of the adjusting pipe correspondingly. According to the sedimentation tank suction dredger with the backwashing function, clean water in the washing pipe enters the interior of the blow-off pipe from the one-way pipe, and at the moment, the valve on the blow-off collecting pipe at the end of the blow-off pipe is closed; clean water enters the suction dredger body to clean an impeller in the suction dredger body and clean the inner walls of an adjusting pipe and a sewage suction pipe at the same time, so that backwashing work of the suction dredger body is achieved, and the reliability of the suction dredger body during next work is guaranteed; and blocking is avoided.

Description

Technical Field

[0001] The utility model relates to the field of sludge suction machines, in particular to a sedimentation tank sludge suction machine with backwashing. Background Art

[0002] Pump suction sludge suction machine is mainly used in sedimentation tanks and is widely used in sewage treatment plants and water plants. It is mainly used for advection sedimentation in sewage treatment plants and water plants to scrape the sludge settled at the bottom of the tank to the pump suction port, and discharge the sludge out of the tank through pump suction, which can relieve the pain of cleaning the sludge at the bottom of the tank;

[0003] The length of the sludge suction pipe at the bottom of the sludge suction machine is fixed, that is to say, the depth of the suction pipe inserted into the sludge is fixed. When the sludge height is lower than the height of the bottom of the suction pipe as the adsorption work proceeds, the suction work cannot be carried out, causing the motor to idle, waste electricity, and do useless work; backwashing work cannot be carried out inside the sludge suction machine. After the sludge inside the sludge suction machine dries up, it is easy to blockage, affecting the next use. Utility Model Content

[0004] The utility model aims to provide a sedimentation tank sludge suction machine with backwashing to solve the defects mentioned in the above background technology.

[0005] To achieve the above object, a sedimentation tank suction machine with backwashing is provided, comprising a suction machine body, the suction machine body is mounted on the sedimentation tank through a fixing frame, a sewage discharge pipe is fixedly mounted at the outlet of the suction machine body, a sewage suction pipe is fixedly mounted at the sewage inlet of the suction machine body, and one end of the sewage suction pipe away from the suction machine body is movably connected to an adjusting pipe, and both sides of the adjusting pipe are welded with fixed connecting columns;

[0006] A branch pipe is installed at the bottom of the sewage pipe, and a one-way pipe is fixedly installed on the branch pipe through a flange. At the same time, one end of the one-way pipe away from the branch pipe is fixedly connected to the flushing pipe through a flange.

[0007] Preferably, a transverse plate is fixedly installed on the surface of the sedimentation tank, and a through hole is provided on the transverse plate, and the connecting column passes through the through hole provided on the transverse plate and is locked by two sets of nuts.

[0008] Preferably, the axial cross-section of the regulating pipe and the sewage suction pipe is a concentric circle structure, and the sizes of the regulating pipe and the sewage suction pipe are matched. At the same time, the bottom of the sewage suction pipe is inserted into the inside of the regulating pipe, and a sealing gasket is installed on the outside of the bottom of the sewage suction pipe. The regulating pipe and the sewage suction pipe are sealed by an annular sealing gasket.

[0009] Preferably, the distance between the regulating pipe and the sewage suction pipe is adjusted by a connecting column and a nut, and a threaded structure is provided at the upper end of the connecting column, and the nut is screwed on the upper side of the connecting column.

[0010] Preferably, a valve seat is fixedly installed on the inner lower side of the one-way tube, and a sealing ball is installed on the valve seat, and the valve seat is sealed by the sealing ball.

[0011] Preferably, two sets of limit plates are fixedly installed on the surface of the sealing ball, and the cross-section of the limit plates is "C" shaped. At the same time, the limit plates are inserted into the limit holes opened in the longitudinal plate, and a spring is installed between the longitudinal plate and the sealing ball. The longitudinal plate is fixed on the inner wall of the one-way tube, and arc-shaped water holes are opened on both sides of the longitudinal plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The height of the regulating pipe submerged in the sludge is adjusted by connecting columns, transverse plates and nuts. The insertion depth of the bottom of the regulating pipe is adjusted to adapt to sludge of different depths, avoiding idling of the sludge suction machine and wasting of electric energy.

[0014] The clean water inside the flushing pipe enters the sewage pipe from the one-way pipe. At this time, the valve on the sewage collecting pipe at the end of the sewage pipe is closed; the clean water enters the interior of the sludge suction machine body to clean the impeller inside the sludge suction machine body, and at the same time cleans the inner wall of the regulating pipe and the sewage suction pipe to achieve backwashing of the sludge suction machine body and ensure the reliability of the sludge suction machine body when it works next time; no blockage will occur. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a schematic diagram of the structure of the structural adjustment pipe and the sewage suction pipe of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the one-way tube of the utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the one-way tube structure of the utility model.

[0019] Numbers in the figure: 1. Mud suction machine body; 2. Drain pipe; 3. Sedimentation tank; 4. Adjusting pipe; 5. Drain pipe; 51. Sealing gasket; 6. Connecting column; 7. Horizontal plate; 8. Nut; 9. Flushing pipe; 10. One-way pipe; 101. Valve seat; 102. Sealing ball; 103. Limiting piece; 104. Spring; 105. Longitudinal plate; 11. Branch pipe. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides a sedimentation tank suction machine with backwashing, comprising a suction machine body 1, the suction machine body 1 is mounted on a sedimentation tank 3 through a fixed frame, and a sewage discharge pipe 2 is fixedly mounted at the outlet of the suction machine body 1, and a sewage suction pipe 5 is fixedly mounted at the sewage inlet of the suction machine body 1, and one end of the sewage suction pipe 5 away from the suction machine body 1 is movably connected to a regulating pipe 4, and both sides of the regulating pipe 4 are welded with fixed connecting columns 6;

[0022] A branch pipe 11 is installed at the bottom of the sewage pipe 2, and a one-way pipe 10 is fixedly installed on the branch pipe 11 through a flange. At the same time, one end of the one-way pipe 10 away from the branch pipe 11 is fixedly connected to the flushing pipe 9 through a flange.

[0023] Working principle: insert the bottom of the regulating pipe 4 into the sludge inside the sedimentation tank 3, start the external switch of the sludge suction machine body 1, and negative pressure is formed inside the regulating pipe 4. The sludge enters the sewage pipe 2 from the regulating pipe 4 and the sewage suction pipe 5, and is discharged and collected from the sewage pipe 2;

[0024] The height of the regulating tube 4 submerged in the sludge is adjusted by the connecting column 6, the transverse plate 7 and the nut 8. The insertion depth of the bottom of the regulating tube 4 is adjusted to adapt to sludge of different depths, thereby avoiding idling of the sludge suction machine body 1 and wasting of electric energy.

[0025] As a preferred embodiment, a transverse plate 7 is fixedly installed on the surface of the sedimentation tank 3, and a through hole is provided on the transverse plate 7. At the same time, the connecting column 6 passes through the through hole provided on the transverse plate 7 and is locked by two sets of nuts 8.

[0026] The axial cross-section of the regulating pipe 4 and the sewage suction pipe 5 is a concentric circle structure, and the sizes of the regulating pipe 4 and the sewage suction pipe 5 are adapted. At the same time, the bottom of the sewage suction pipe 5 is inserted into the inside of the regulating pipe 4, and a sealing gasket 51 is installed on the outside of the bottom of the sewage suction pipe 5. The regulating pipe 4 and the sewage suction pipe 5 are sealed by an annular sealing gasket 51.

[0027] like Figure 1-4 As shown: the connecting column 6 passes through the through hole opened on the horizontal plate 7 and is locked by two sets of nuts 8. After the working height of the adjusting tube 4 is adjusted, the two sets of nuts 8 are used to limit the position to ensure the stability of the adjusting tube 4 when it is stationary.

[0028] As a preferred embodiment, the distance between the regulating pipe 4 and the sewage suction pipe 5 is adjusted by a connecting column 6 and a nut 8 , and a threaded structure is provided at the upper end of the connecting column 6 , and the nut 8 is screwed on the upper side of the connecting column 6 .

[0029] A valve seat 101 is fixedly installed on the lower inner side of the one-way tube 10 , and a sealing ball 102 is installed on the valve seat 101 . The valve seat 101 is sealed by the sealing ball 102 .

[0030] like Figure 1-4 As shown: when the sludge suction machine body 1 is used up, the clean water in the flushing pipe 9 enters the inside of the sewage pipe 2 from the one-way pipe 10, and the valve on the sewage collection pipe at the end of the sewage pipe 2 is closed; the clean water enters the inside of the sludge suction machine body 1, cleans the impeller inside the sludge suction machine body 1, and cleans the inner wall of the regulating pipe 4 and the sewage suction pipe 5 at the same time, realizes the backwashing of the sludge suction machine body 1, and ensures the reliability of the sludge suction machine body 1 when it works next time; no blockage occurs;

[0031] like Figure 3-4 As shown: the working mode of the one-way tube 10 is: the cleaning impact is on the sealing ball 102, the bottom of the sealing ball 102 is pressed, the spring 104 is compressed, and the sealing ball 102 is separated from the valve seat 101, so that the fluid inside the one-way tube 10 can move from bottom to top, and cannot move from top to bottom.

[0032] As a preferred embodiment, two sets of limit plates 103 are fixedly installed on the surface of the sealing ball 102, and the cross-section of the limit plates 103 is "C" shaped. At the same time, the limit plates 103 are inserted into the limit holes opened on the longitudinal plate 105, and a spring 104 is installed between the longitudinal plate 105 and the sealing ball 102. The longitudinal plate 105 is fixed on the inner wall of the one-way tube 10, and arc-shaped water holes are opened on both sides of the longitudinal plate 105.

[0033] When the sewage pipe 2 is discharging sewage, the one-way pipe 10 is provided to prevent sludge from entering the interior of the flushing pipe 9 .

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sedimentation tank sludge suction machine with backwashing, comprising a sludge suction machine body (1), characterized in that: The sludge suction machine body (1) is mounted on the sedimentation tank (3) via a fixing frame, and a sewage discharge pipe (2) is fixedly mounted at the outlet of the sludge suction machine body (1), while a sewage suction pipe (5) is fixedly mounted at the sewage inlet of the sludge suction machine body (1), and one end of the sewage suction pipe (5) away from the sludge suction machine body (1) is movably connected to the regulating pipe (4), and both sides of the regulating pipe (4) are welded with fixed connecting columns (6); A branch pipe (11) is installed at the bottom of the sewage pipe (2), and a one-way pipe (10) is fixedly installed on the branch pipe (11) via a flange, while an end of the one-way pipe (10) away from the branch pipe (11) is fixedly connected to the flushing pipe (9) via a flange.

2. The sedimentation tank sludge suction machine with backwashing according to claim 1, characterized in that: A transverse plate (7) is fixedly mounted on the surface of the sedimentation tank (3), and a through hole is provided on the transverse plate (7). At the same time, the connecting column (6) passes through the through hole provided on the transverse plate (7) and is locked by two sets of nuts (8).

3. The sedimentation tank sludge suction machine with backwashing according to claim 1, characterized in that: The axial cross-sections of the regulating pipe (4) and the sewage suction pipe (5) are concentric circles, and the sizes of the regulating pipe (4) and the sewage suction pipe (5) are matched. At the same time, the bottom of the sewage suction pipe (5) is inserted into the inside of the regulating pipe (4), and a sealing gasket (51) is installed on the outside of the bottom of the sewage suction pipe (5). The regulating pipe (4) and the sewage suction pipe (5) are sealed by the annular sealing gasket (51).

4. The sedimentation tank sludge suction machine with backwashing according to claim 1, characterized in that: The distance between the regulating pipe (4) and the sewage suction pipe (5) is adjusted by means of a connecting column (6) and a nut (8), and a threaded structure is provided at the upper end of the connecting column (6), and the nut (8) is screwed onto the upper side of the connecting column (6).

5. The sedimentation tank sludge suction machine with backwashing according to claim 1, characterized in that: A valve seat (101) is fixedly mounted on the inner lower side of the one-way tube (10), and a sealing ball (102) is mounted on the valve seat (101), and the valve seat (101) is sealed by the sealing ball (102).

6. The sedimentation tank sludge suction machine with backwashing according to claim 5, characterized in that: Two groups of limiting plates (103) are fixedly mounted on the surface of the sealing ball (102), and the limiting plates (103) have a "C"-shaped cross section. The limiting plates (103) are inserted into limiting holes provided on the longitudinal plate (105), and a spring (104) is installed between the longitudinal plate (105) and the sealing ball (102). The longitudinal plate (105) is fixedly mounted on the inner wall of the one-way tube (10), and arc-shaped water holes are provided on both sides of the longitudinal plate (105).

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