CN211080520U

CN211080520U - Anti-sedimentation-silting sewage pump station

Info

Publication number: CN211080520U
Application number: CN201921240081.7U
Authority: CN
Inventors: 李强; 胡宝水; 鲁志彪
Original assignee: Ningbo Yuexing Construction Engineering Co ltd
Current assignee: Ningbo Yuexing Construction Engineering Co ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-07-24
Anticipated expiration: 2029-08-01

Abstract

The utility model discloses a sewage pump station for preventing sedimentation and siltation, which comprises a pump station body, wherein the pump station body comprises a water collecting cavity, the water collecting cavity is provided with a water inlet and a water outlet, and a sewage lifting pump is arranged in the water collecting cavity; the water outlet end of the sewage lifting pump is connected with the water outlet through a water discharge pipe; the bottom of the pump station body is provided with a pressurizing cavity for water injection, the top of the pressurizing cavity is a layer of rubber pad with unidirectional water outlet holes uniformly distributed on the surface, and the water outlet direction of the water outlet holes is upward; a grid support forming the bottom wall of the water collecting cavity is arranged above the rubber pad, and the rubber pad is fixedly connected to the grid support and separates the water collecting cavity from the pressurizing cavity; a supporting frame with a grid structure is arranged below the rubber pad; the sewage lifting pump is arranged on the grid bracket; the water storage tank is arranged on the upper side of the outer wall of the pump station body and is connected with the pressurizing cavity through a pressurizing pipe, and a pressurizing pump and a pressurizing valve are arranged on the pressurizing pipe; the center of the grid support is provided with a stirring device. Adopt the utility model discloses the convenience is cleared up the mud that deposits in the pump station bottom.

Description

Anti-sedimentation-silting sewage pump station

Technical Field

The utility model relates to a sewage pump station especially relates to a sewage pump station of anti sediment siltation.

Background

At present, domestic sewage is mainly discharged to a municipal sewage pipeline and then is conveyed to a sewage treatment plant for treatment, but in some regions with low terrain, the outlet of a sewage pipeline in a residential area is lower than that of the municipal sewage pipeline, sewage cannot automatically flow into the municipal sewage pipeline, and the sewage is generally discharged into the municipal sewage pipeline after being lifted by a small sewage pump station.

In the prior art, chinese patent document with the publication number CN204626623U discloses a novel prefabricated pump station, which comprises a pump station body, wherein a water inlet pipe is arranged on the side surface of the pump station body, a guide rod vertically arranged is fixed inside the pump station body and positioned at the water inlet pipe, a guide sleeve capable of sliding up and down along the guide rod is sleeved on the guide rod, and a grid for blocking solid impurities at the water inlet pipe is fixed on the guide sleeve. In the prior art, a sewage pumping station similar to the sewage pumping station is provided with a grid at a water inlet for blocking large impurities, but can not block smaller suspended matters and sludge. The water pump arranged in the pump station needs to work when the sewage reaches a certain elevation, and when the sewage height does not reach the starting elevation of the water pump, suspended matters and sludge in the sewage can be precipitated under the action of self weight and are accumulated at the bottom of the pump station; when the accumulation time is too long, the sludge and suspended matters are solidified, the viscosity is increased, and the water pump cannot pump.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sewage pump station of anti sediment siltation, the convenience is cleared up the mud that deposits in the pump station bottom.

The above object of the present invention can be achieved by the following technical solutions:

a sewage pump station for preventing sediment deposition comprises a pump station body, wherein the pump station body comprises a water collecting cavity, a water inlet and a water outlet are formed in the water collecting cavity, and a sewage lifting pump is installed in the water collecting cavity; the water outlet end of the sewage lifting pump is connected with the water outlet through a water discharge pipe; the bottom of the pump station body is provided with a pressurizing cavity for water injection, the top of the pressurizing cavity is a layer of rubber pad with unidirectional water outlet holes uniformly distributed on the surface, and the water outlet direction of the water outlet holes is upward; a grid support forming the bottom wall of the water collecting cavity is arranged above the rubber pad, and the rubber pad is fixedly connected to the grid support and separates the water collecting cavity from the pressurizing cavity; a supporting frame with a grid structure is arranged below the rubber pad; the sewage lifting pump is arranged on the grid bracket; the water storage tank is arranged on the upper side of the outer wall of the pump station body and is connected with the pressurizing cavity through a pressurizing pipe, and a pressurizing pump and a pressurizing valve are arranged on the pressurizing pipe; and a stirring device is arranged at the center of the grid support.

Through adopting above-mentioned technical scheme, before sewage elevator pump work, accessible control booster valve and booster pump are with the water injection pressure boost chamber in the cistern, under hydraulic effect, the apopore of the water of pressure boost intracavity through the rubber pad upwards pours into the chamber of catchmenting into, on the one hand to deposiing in the silt on net support and rubber pad dilute, simultaneously under water pressure, the water of pouring into in the chamber of catchmenting forms the vortex, with sedimentary silt break away to under agitating unit's stirring effect, form the flow state. Therefore, after the sewage lifting pump is started, the sewage lifting pump can smoothly lift sewage and sludge to the water outlet and discharge the sewage and the sludge into a municipal sewage pipe.

The utility model discloses further set up to: the water storage tank is arranged at a position close to the water outlet, the drain pipe penetrates through the water storage tank and comprises a filter pipe located in the water storage tank, and the pipe wall of the filter pipe is provided with filter holes.

By adopting the technical scheme, when the drainage pipe discharges sewage into the municipal sewage pipe, the filter pipe can filter partial sewage and supply the water storage tank through the filter holes, and the water storage tank does not need to be supplemented with water specially, so that water resources are saved, and the water storage tank is more energy-saving and environment-friendly.

The utility model discloses further set up to: the stirring device comprises a shell, a motor and a stirring shaft, wherein the shell is hermetically arranged in the pressurizing cavity, the motor is arranged in the shell, the stirring shaft is connected with the output end of the motor and extends into the water collecting cavity, and the stirring shaft is connected with a stirring paddle.

Through adopting above-mentioned technical scheme, can separate out partly in the chamber that catchments through the casing and be used for the power supply machine to install for agitating unit's setting is comparatively convenient.

The utility model discloses further set up to: the upper surface of the rubber pad is uniformly provided with arc-shaped convex points, the center of each convex point is provided with a water outlet hole, and the lower side of the rubber pad is provided with an extrusion groove which is sunken towards the convex points in the direction opposite to the position of the center hole.

Through adopting above-mentioned technical scheme, the material of rubber pad itself has elasticity, and when pressure increase in the pressure boost chamber, the extrusion groove is injected to the water in the pressure boost chamber, because the extrusion groove is sunken to the bump direction for pressure concentrates on water outlet department, thereby makes the water in pressure boost chamber pour into the chamber that catchments through the apopore. The convex point is circular-arc, and the apopore is located the center department of convex point, and when the pressure boost chamber no longer increased pressure, the convex point received the pressure effect of catchmenting chamber sewage or silt around the water injection hole and makes the apopore seal.

The utility model discloses further set up to: the rubber pad is fixedly connected to the grid support through a screw.

Through adopting above-mentioned technical scheme for have reliable joint strength between rubber pad and the net support, and combine the supporting role of support frame, provide the reliable fixed effect of rubber pad.

The utility model discloses further set up to: the top of pump station body is equipped with the access hole, and the inner wall in chamber that catchments is close to the access hole position and is equipped with downwardly extending's cat ladder.

Through adopting above-mentioned technical scheme, through the convenient maintainer entering chamber that catchments of access hole maintains equipment.

The utility model discloses further set up to: the water collecting cavity is provided with a filtering grid at a water inlet, the top wall of the water collecting cavity is provided with a guide rod extending downwards, and the filtering grid is connected to the guide rod in a sliding mode.

Through adopting above-mentioned technical scheme, filter the grid and can filter the great rubbish that gets into the chamber of catchmenting from the water inlet.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a partial schematic structural view of the present embodiment;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a pump station body; 2. a water collection cavity; 3. an access hole; 4. climbing a ladder; 5. a water inlet; 6. a water outlet; 7. filtering the grating; 8. a guide bar; 9. cleaning the opening; 10. a pressurizing cavity; 11. a rubber pad; 12. a water outlet hole; 13. salient points; 14. extruding a groove; 15. a grid support; 16. a support frame; 17. a water storage tank; 18. a pressure increasing pipe; 19. a pressure increasing valve; 20. a booster pump; 21. a sewage lift pump; 22. a drain pipe; 23. a filter tube; 24. a stirring device; 25. a housing; 26. a motor; 27. a stirring shaft; 28. a stirring paddle; 29. a wire inlet; 30. and (7) a supporting plate.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, the sewage pump station for preventing sedimentation and siltation in this embodiment includes a pump station body 1, the pump station body 1 is a cylindrical structure, and the pump station body 1 includes an internal water collecting chamber 2, an upper end wall and a bottom wall. The end wall on pump station body 1 upper portion is equipped with the access hole 3 that can open to catchment chamber 2 and be equipped with downwardly extending's cat ladder 4 in the position that is close to access hole 3.

As shown in fig. 1, the side wall of the water collecting chamber 2 is provided with a water inlet 5 having a low height and a water outlet 6 having a high height. A filter grating 7 is arranged at the water inlet 5, a guide rod 8 extending downwards is arranged on the top wall of the water collecting cavity 2, and the filter grating 7 is connected with the guide rod 8 in a sliding way. The filter grill 7 is a cage-shaped structure in the shape of a rectangular parallelepiped, and the grill holes of the side of the filter grill 7 facing the water inlet 5 are large, so that large garbage can be flushed into the filter grill 7 along with sewage and be trapped by the other grill holes of the filter grill 7 having small side walls. The guide bar 8 is provided with a support plate 30 for supporting the filter grill 7 at a position below the water inlet 5. The roof of the water collecting cavity 2 is provided with a cleaning opening 9 corresponding to the position of the filter grid 7, and the filter grid 7 can be lifted to the cleaning opening 9 through the lifting hook and the lifting rope for cleaning.

As shown in fig. 1 and 2, a pressurizing cavity 10 for water injection is arranged at the bottom of a pump station body 1, a layer of rubber pad 11 with unidirectional water outlet holes 12 uniformly distributed on the surface is arranged at the top of the pressurizing cavity 10, and the water outlet direction of the water outlet holes 12 is upward; a grid support 15 forming the bottom wall of the water collecting cavity 2 is arranged above the rubber pad 11, and the rubber pad 11 is fixedly connected to the grid support 15 through screws and separates the water collecting cavity 2 from the pressurizing cavity 10; a supporting frame 16 with a grid structure is arranged below the rubber pad 11; the grid support 15 and the support frame 16 are made of steel materials, and the edges of the grid support 15 and the support frame 16 are fixedly connected with the inner side wall of the pump station body 1, such as welded and fixed.

As shown in figure 1, the upper side of the outer wall of the pump station body 1 is provided with a water storage tank 17, the water storage tank 17 is connected with the pressurizing cavity 10 through a pressurizing pipe 18, and the pressurizing pipe 18 is provided with a pressurizing pump 20 and a pressurizing valve 19.

As shown in fig. 3, arc-shaped bumps 13 are uniformly distributed on the upper surface of the rubber pad 11, a water outlet hole 12 is formed in the center of the bump 13, and a pressing groove 14 recessed toward the bump 13 is formed in the center of the lower side of the rubber pad 11.

Under the working state: by opening the booster valve 19 and the booster pump 20, water in the water storage tank 17 can be injected into the booster cavity 10, and the booster cavity 10 is pressurized under the action of the booster pump 20, so that the water in the booster cavity 10 is injected into the water collecting cavity 2 from the water injection holes upwards through the grid support 15, and a turbulent flow is formed at the bottom of the water collecting cavity 2.

As shown in FIG. 1, as an embodiment, the water storage tank 17 is disposed near the water outlet 6, the water discharge pipe 22 passes through the water storage tank 17, the water discharge pipe 22 includes a filter pipe 23 disposed in the water storage tank 17, and the wall of the filter pipe 23 is provided with a filter hole. By arranging a section of filter pipe 23 on the drain pipe 22, and arranging the filter pipe 23 in the water storage tank 17; when the drain pipe 22 discharges sewage, the incoming water filtered from the filter pipe 23 can be used for supplementing the water storage tank 17, so that the water-saving and environment-friendly effects are achieved. In other embodiments, the water storage tank 17 may be supplemented by an external water source by providing a water inlet.

As shown in fig. 1 and 2, a sewage lifting pump 21 is installed on the grid support 15, and the water outlet end of the sewage lifting pump 21 is connected with the water outlet 6 through a water outlet pipe 22; a stirring device 24 is arranged at the center of the grid support 15; the stirring device 24 comprises a shell 25 which is hermetically arranged in the pressurizing cavity 10, a motor 26 which is arranged in the shell 25, and a stirring shaft 27 which is connected with the output end of the motor 26 and extends into the water collecting cavity 2, wherein a stirring paddle 28 is connected on the stirring shaft 27. The bottom plate of the housing 25 is provided with a wire inlet 29 for necessary wiring.

The working state of the embodiment is as follows: before the sewage lift pump 21 works, water in the water storage tank 17 can be injected into the pressurizing cavity 10 by controlling the pressurizing valve 19 and the pressurizing pump 20, under the action of water pressure, the water in the pressurizing cavity 10 is upwards injected into the water collecting cavity 2 through the water outlet hole 12 of the rubber pad 11, on one hand, sludge deposited on the grid support 15 and the rubber pad 11 is diluted, and meanwhile, under the action of water pressure, the water injected into the water collecting cavity 2 forms turbulent flow, so that deposited sludge is dispersed, and under the stirring action of the stirring device 24, a flowing state is formed. So that the sewage lift pump 21 can smoothly lift the sewage and sludge together to the water outlet 6 and discharge them into the municipal sewage pipe after the sewage lift pump 21 is activated. As a preferable control mode, a liquid level sensor can be arranged on the inner wall of the water collecting cavity 2 and used for outputting signals to the starting of the booster pump 20, the booster valve 19 and the stirring device 24; and the sewage lifting pump 21 can be started in a delayed mode through a delay circuit or a delay switch. If the sewage overflows the liquid level sensor, the booster valve 19, the booster pump 20 and the stirring device 24 are started, if the sewage overflows the liquid level sensor, the sewage lifting pump 21 starts to work after 5 minutes, and the booster pump 20, the booster valve and the stirring device 24 stop. The above control mode is intended to more clearly illustrate the working process of the embodiment, and is not used to specifically limit the protection range of the scheme, and the manual control can still be used under the non-electrical control condition.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A sewage pump station capable of resisting sediment deposition comprises a pump station body (1), wherein the pump station body (1) comprises a water collecting cavity (2), a water inlet (5) and a water outlet (6) are formed in the water collecting cavity (2), and a sewage lifting pump (21) is installed in the water collecting cavity (2); the water outlet end of the sewage lifting pump (21) is connected with the water outlet (6) through a water outlet pipe (22); the method is characterized in that: the pump station comprises a pump station body (1), wherein a pressurizing cavity (10) for water injection is formed in the bottom of the pump station body (1), a layer of rubber pad (11) with unidirectional water outlet holes (12) uniformly distributed in the surface is arranged at the top of the pressurizing cavity (10), and the water outlet direction of the water outlet holes (12) is upward; a grid support (15) forming the bottom wall of the water collecting cavity (2) is arranged above the rubber pad (11), and the rubber pad (11) is fixedly connected to the grid support (15) and separates the water collecting cavity (2) from the pressurizing cavity (10); a supporting frame (16) with a grid structure is arranged below the rubber pad (11); the sewage lifting pump (21) is arranged on the grid bracket (15); the water storage tank (17) is arranged on the upper side of the outer wall of the pump station body (1), the water storage tank (17) is connected with the pressurizing cavity (10) through a pressurizing pipe (18), and a pressurizing pump (20) and a pressurizing valve (19) are arranged on the pressurizing pipe (18); and a stirring device (24) is arranged at the center of the grid support (15).

2. The sewage pumping station of claim 1, which is resistant to sedimentation fouling, and comprises: the water storage tank (17) is arranged at a position close to the water outlet (6), the drain pipe (22) penetrates through the water storage tank (17), the drain pipe (22) comprises a filter pipe (23) located in the water storage tank (17), and the pipe wall of the filter pipe (23) is provided with filter holes.

3. The sewage pumping station of claim 1, which is resistant to sedimentation fouling, and comprises: the stirring device (24) comprises a shell (25) which is hermetically arranged in the pressurizing cavity (10), a motor (26) which is arranged in the shell (25) and a stirring shaft (27) which is connected with the output end of the motor (26) and extends into the water collecting cavity (2), wherein a stirring paddle (28) is connected onto the stirring shaft (27).

4. The sewage pumping station of claim 1, which is resistant to sedimentation fouling, and comprises: circular-arc convex points (13) are uniformly distributed on the upper surface of the rubber pad (11), a water outlet hole (12) is formed in the center of each convex point (13), and an extrusion groove (14) which is sunken towards the convex points (13) is formed in the position, aligned with the central hole, of the lower side of the rubber pad (11).

5. The sewage pumping station of claim 4, which is resistant to sedimentation fouling, and comprises: the rubber pad (11) is fixedly connected to the grid support (15) through screws.

6. The sewage pumping station of claim 1, which is resistant to sedimentation fouling, and comprises: the top of pump station body (1) is equipped with access hole (3), and the inner wall that catchments chamber (2) is close to access hole (3) position and is equipped with downwardly extending's cat ladder (4).

7. The sewage pumping station of claim 6, which is resistant to sedimentation fouling, and comprises: the water collecting cavity (2) is provided with a filtering grid (7) at the water inlet (5), the top wall of the water collecting cavity (2) is provided with a guide rod (8) extending downwards, and the filtering grid (7) is connected to the guide rod (8) in a sliding mode.