CN215888543U - Self-cleaning sewage lifting machine - Google Patents

Abstract

The utility model discloses a self-cleaning sewage lifting machine, which comprises a sewage tank, a water inlet pipe, drain pipes, a back flushing pipe and a sewage lifting pump, wherein at least two drain pipes are arranged and are communicated with the water inlet pipe through connecting pipes, the end part of each drain pipe is communicated with a collecting pipe, the back flushing pipe is arranged corresponding to the drain pipes, one end of the back flushing pipe extends into the sewage tank, the end part of the back flushing pipe is provided with the sewage lifting pump positioned in the sewage tank, a residue filter positioned outside the sewage tank can be detachably connected between the back flushing pipe and the drain pipes, the residue filter comprises a shell, the two ends of the shell are respectively and hermetically connected with the back flushing pipe and the drain pipes, a first filter screen and a second filter screen are sequentially arranged in the shell from the position close to the drain pipes to the position far away from the drain pipes, a blade assembly capable of rotating under the action of water flow is rotatably connected between the first filter screen and the second filter screen, and drives a first cleaning brush and a second cleaning brush to synchronously rotate, the first cleaning brush and the second cleaning brush are respectively abutted against the first filter screen and the second filter screen.

Description

Self-cleaning sewage lifting machine

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to a self-cleaning type sewage lifting machine.

Background

With the prosperous development of society, the construction of various underground buildings is increased day by day, but the matched sewage lifting facilities are relatively lagged, the traditional method generally adopted at present is to dig a sewage pool underground, but the maintenance of the underground sewage pool is very inconvenient, once the problem of sealing occurs, the problems of peculiar smell overflow and mosquito, fly and bacteria breeding are difficult to find out and solve, and the method is quite inappropriate for advocating and constructing an environment-friendly society by the country. The sewage lifting machine is a set of system consisting of a sewage pump, a water collecting tank, a control device and related pipe fitting valves and used for lifting and conveying waste sewage lower than a sewer municipal pipe network, and the problem existing in a traditional water collecting pit is effectively solved or avoided. The sewage lifting machine theory of operation is that waste sewage flows in through the entry, realizes the separation of sediment water through the residue filter, and the residue gets into the residue filter, and water then flows into the header tank, and when the water level reached the assigned position, start the dredge pump and carry out the back flush, discharge water and residue from the export, realize sewage lifting. The existing residue filter is usually arranged in the water collecting tank, residue accumulation often occurs on a filter screen in the existing residue filter, and the residue on the filter screen cannot be flushed completely even in the process of back flushing, so that blockage is easily realized in the past for a long time.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a self-cleaning sewage lifting machine, which can utilize water flow to drive a cleaning brush to clean a filter screen of a residue filter while backflushing so as to prevent the filter screen from being blocked.

In order to achieve the above purposes, the utility model adopts the technical scheme that: the utility model provides a self-cleaning formula sewage lifting machine, includes sewage case, inlet tube, drain pipe, backwash pipe and sewage elevator pump, its characterized in that: the number of the drain pipes is at least two, the drain pipes are communicated with the water inlet pipe through connecting pipes, the end part of each drain pipe is communicated with a vertically arranged collecting pipe, the backwash pipe is arranged corresponding to the drain pipe, one end of the backwash pipe extends into the sewage tank, the end part of the backwash pipe is provided with a sewage lifting pump positioned in the sewage tank, a residue filter positioned outside the sewage tank can be detachably connected between the back washing pipe and the drain pipe, the residue filter comprises a shell, two ends of the shell are respectively connected with the back washing pipe and the drain pipe in a sealing way, a first filter screen and a second filter screen are sequentially arranged in the shell from the position close to the drain pipe to the position far away from the drain pipe, a blade component which can rotate under the action of water flow is rotatably connected between the first filter screen and the second filter screen, the blade subassembly drives first cleaning brush and the synchronous rotation of second cleaning brush, first cleaning brush and second cleaning brush support with first filter screen and second filter screen respectively and lean on.

The utility model has the beneficial effects that: the filter residue ware all sets up in the outside of sewage case, and the erection joint is easier, is convenient for clean. Simultaneously add in the dregs filter and can rotate under rivers promotion blade subassembly, and then drive the first cleaning brush and the second cleaning brush rotation that lean on with first filter screen and second filter screen, accomplish the cleanness to first filter screen and second filter screen, prevent that the residue from blockking up two filter screens.

Further, blade subassembly includes that both ends rotate the bull stick of being connected with first filter screen and second filter screen respectively, the bull stick is on a parallel with rivers flow direction, be fixed with pivoted initiative blade under the rivers effect on the bull stick, first cleaning brush and second cleaning brush are located initiative blade both sides respectively. First cleaning brush and second cleaning brush all include with bull stick fixed connection's fixed plate with fix the brush hair on the fixed plate, the brush hair supports with first filter screen and second filter screen and leans on.

Further, the casing includes cylindric filter house and the connecting portion that are located the filter house both ends, connecting portion pass through the flange respectively with backwash pipe and drain pipe connection, first filter screen and second filter screen set up in the filter house.

Further, the first filter screen is of a circular truncated cone structure, the second filter screen is of a circular plate structure, and the diameter of filter meshes on the first filter screen is larger than that of filter meshes on the second filter screen. The centers of the first filter screen and the second filter screen are provided with sealing bearing seats for the rotation of the rotating rod.

Further, each connecting pipe is provided with a first check valve for preventing sewage in the drain pipe from flowing into the drain pipe towards the water inlet pipe, and each drain pipe is provided with a second check valve for preventing sewage in the confluence pipe from flowing into the drain pipe.

Furthermore, a manual ball valve for controlling the on-off of the collecting pipe is arranged on the collecting pipe.

Further, the sewage lift pump is installed on a backwash pipe in the sewage tank through a coupler.

Further, the sewage lifting pump is installed on the side wall of the sewage tank through the guide rail, a fixed chain capable of pulling the sewage lifting pump is further arranged on the upper cover of the sewage tank, and the lower end of the fixed chain is fixedly connected with the sewage lifting pump.

Furthermore, the upper cover of the sewage tank is provided with the vent pipe, so that the excessive pressure in the sewage tank is prevented.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a residue filter according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an embodiment of the present invention.

In the figure:

1. a sewage tank; 2. a water inlet pipe; 3. a drain pipe; 4. a backwash pipe; 5. a sewage lift pump; 6. a connecting pipe; 7. a collector pipe; 8. a residue filter; 81. a housing; 82. a first filter screen; 83. a second filter screen; 84. a first cleaning brush; 85. a second cleaning brush; 86. a rotating rod; 87. a driving blade; 9. a first check valve; 10. a second check valve; 11. a manual ball valve; 12. a coupler; 13. and (4) ventilating the pipes.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Examples

Referring to the attached drawings 1 and 3, the self-cleaning sewage lifting machine of the utility model comprises a sewage tank 1, a water inlet pipe 2, a water outlet pipe 3, a back flushing pipe 4 and a sewage lifting pump 5, wherein at least two water outlet pipes 3 are arranged and are communicated with the water inlet pipe 2 through connecting pipes 6, and the two water outlet pipes are used alternately in the embodiment. The tip of every drain pipe 3 all communicates with a collecting pipe 7 of perpendicular setting, and the back flush pipe 4 corresponds the setting with drain pipe 3 and one end extends like in sewage case 1, and the tip of back flush pipe 4 is provided with the sewage elevator pump 5 that is located sewage case 1. A filter residue device 8 positioned outside the sewage tank 1 can be detachably connected between the backwashing pipe 4 and the water discharge pipe 3, and the filter residue device 8 is positioned between the water discharge pipe 3 and the connected joint and the water discharge pipe 3.

During operation, sewage enters from the water inlet pipe 2, enters the sewage tank 1 from the two connecting pipes 6 through the water discharge pipe 3 and the backwashing pipe 4, and in the flowing process, the sewage is subjected to solid-liquid separation through the residue filter 8, so that liquid entering the sewage tank 1 is ensured, and solid is remained in the residue filter 8. When the water level in the water tank is too high, a sewage lifting pump 5 is started to pump the water in the sewage tank 1 into a backwashing pipe 4, the water flows into a collecting pipe 7 through a corresponding drain pipe 3 to flow into an external sedimentation tank, and the solids in a residue filter 8 are taken away in the backwashing process. The other drain pipe 3 and the backwash pipe 4 are still used as feed water in the process. The two sewage lifting pumps 5 work alternately, and sewage can be continuously lifted and conveyed without stopping the machine.

Referring to fig. 2, the residue filter 8 includes a housing 81 having two ends respectively connected to the backwash pipe 4 and the drain pipe 3 in a sealing manner, a first filter screen 82 and a second filter screen 83 are sequentially disposed in the housing 81 from the position close to the drain pipe 3 to the position far away from the drain pipe 3, a blade assembly capable of rotating under the action of water flow is rotatably connected between the first filter screen 82 and the second filter screen 83, the blade assembly drives the first cleaning brush 84 and the second cleaning brush 85 to rotate synchronously, and the first cleaning brush 84 and the second cleaning brush 85 are respectively abutted to the first filter screen 82 and the second filter screen 83. The residue filter 8 is arranged outside the sewage tank 1, so that the installation and the connection are easier, and the cleaning is convenient. Simultaneously add in residue filter 8 and can rotate the blade subassembly that rotates under rivers promotion, and then drive first cleaning brush 84 and the rotation of second cleaning brush 85 that support against with first filter screen 82 and second filter screen 83, accomplish the cleaning to first filter screen 82 and second filter screen 83, prevent that the residue from blockking up two filter screens.

The blade assembly comprises a rotating rod 86 with two ends respectively rotatably connected with the first filter screen 82 and the second filter screen 83, the rotating rod 86 is parallel to the flowing direction of the water flow, a driving blade 87 rotating under the action of the water flow is fixed on the rotating rod 86, and the first cleaning brush 84 and the second cleaning brush 85 are respectively positioned at two sides of the driving blade 87. The first cleaning brush 84 and the second cleaning brush 85 each include an elongated fixed plate fixedly connected to the rotating rod 86 and bristles fixed to the fixed plate, and the bristles abut against the first filter screen 82 and the second filter screen 83. The first filter screen is of a circular truncated cone structure, the second filter screen is of a circular plate structure, and the diameter of a filter mesh on the first filter screen is larger than that of a filter mesh on the second filter screen. The first filter screen carries out primary filtration, and the second filter screen secondary filtration reduces in the solid gets into sewage case 1. The centers of the first filter screen and the second filter screen are provided with sealing bearing seats for the rotating rod 86 to rotate after the sewage enters.

The housing 81 includes a cylindrical filtering portion and connecting portions at both ends of the filtering portion, the connecting portions are connected to the back-flushing pipe 4 and the drain pipe 3 through flanges, respectively, and the first strainer 82 and the second strainer 83 are disposed in the filtering portion.

Every is provided with on 6 connecting pipe and prevents that sewage from flowing into the first check valve 9 of inlet tube 2 in drain pipe 3, all is provided with on 3 every drain pipe and prevents that sewage from flowing into the second check valve 10 in its drain pipe 3 in the collecting pipe 7. And a manual ball valve 11 for controlling the on-off of the collecting pipe 7 is arranged on the collecting pipe.

A sewage lift pump 5 is mounted on the backwash pipe 4 in the sewage tank 1 through a coupler 12. The sewage lift pump 5 is installed on the side wall of the sewage tank 1 through a guide rail, the upper cover of the sewage tank 1 is further provided with a fixed chain capable of pulling the sewage lift pump 5, and the lower end of the fixed chain is fixedly connected with the sewage lift pump 5 so as to extract the sewage lift pump 5 during maintenance.

The upper cover of the sewage tank 1 is provided with the vent pipe 13 to prevent the pressure in the sewage tank 1 from being overlarge.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims (9)

1. The utility model provides a self-cleaning formula sewage lifting machine, includes sewage case (1), inlet tube (2), drain pipe (3), backwash pipe (4) and sewage elevator pump (5), its characterized in that: the drainage pipe (3) is provided with at least two drainage pipes which are communicated with the water inlet pipe (2) through a connecting pipe (6), the end part of each drainage pipe (3) is communicated with a vertical collecting pipe (7), the backwashing pipe (4) is correspondingly arranged with the drainage pipe (3) and one end of the backwashing pipe extends into the sewage tank (1), the end part of the backwashing pipe (4) is provided with a sewage lifting pump (5) positioned in the sewage tank (1), a residue filter (8) positioned outside the sewage tank (1) can be detachably connected between the backwashing pipe (4) and the drainage pipe (3), the residue filter (8) comprises a shell (81) with two ends respectively connected with the backwashing pipe (4) and the drainage pipe (3) in a sealing way, a first filter screen (82) and a second filter screen (83) are sequentially arranged in the shell (81) from the position close to the drainage pipe (3) to the position far away from the drainage pipe (3), rotate between first filter screen (82) and second filter screen (83) and be connected with the blade subassembly that can rotate under the rivers effect, the blade subassembly drives first cleaning brush (84) and second cleaning brush (85) synchronous rotation, first cleaning brush (84) and second cleaning brush (85) lean on with first filter screen (82) and second filter screen (83) respectively.

2. The self-cleaning sewage elevator of claim 1, characterized in that: the blade subassembly includes that both ends rotate bull stick (86) of being connected with first filter screen (82) and second filter screen (83) respectively, bull stick (86) are on a parallel with rivers flow direction setting, be fixed with pivoted driving blade (87) under the rivers effect on bull stick (86), first cleaning brush (84) and second cleaning brush (85) are located driving blade (87) both sides respectively.

3. The self-cleaning sewage elevator of claim 1, characterized in that: casing (81) include cylindric filter house and the connecting portion that are located the filter house both ends, connecting portion pass through the flange and are connected with backwash pipe (4) and drain pipe (3) respectively, first filter screen (82) and second filter screen (83) set up in the filter house.

4. The self-cleaning sewage elevator of claim 1, characterized in that: the first filter screen is of a circular table structure, the second filter screen is of a circular plate structure, and the diameter of the filtering meshes on the first filter screen is larger than that of the filtering meshes on the second filter screen.

5. The self-cleaning sewage elevator of claim 1, characterized in that: every all be provided with on connecting pipe (6) and prevent that sewage from flowing into towards inlet tube (2) first check valve (9) in drain pipe (3), every all be provided with on drain pipe (3) and prevent that sewage from flowing into second check valve (10) in its drain pipe (3) in collector pipe (7).

6. The self-cleaning sewage elevator of claim 1, characterized in that: and a manual ball valve (11) for controlling the on-off of the collecting pipe (7) is arranged on the collecting pipe.

7. The self-cleaning sewage elevator of claim 1, characterized in that: the sewage lifting pump (5) is arranged on a back flushing pipe (4) in the sewage tank (1) through a coupler (12).

8. The self-cleaning sewage elevator of claim 1, characterized in that: the sewage lifting pump (5) is installed on the side wall of the sewage tank (1) through a guide rail, a fixed chain capable of pulling the sewage lifting pump (5) is further arranged on the upper cover of the sewage tank (1), and the lower end of the fixed chain is fixedly connected with the sewage lifting pump (5).

9. The self-cleaning sewage elevator of claim 1, characterized in that: the upper cover of the sewage tank (1) is provided with a vent pipe (13).

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