CN219931203U

CN219931203U - Sewage lifting device

Info

Publication number: CN219931203U
Application number: CN202321205254.8U
Authority: CN
Inventors: 吴明剑; 蒋丽娟; 马永学; 韩丹
Original assignee: South Venture Tianjin Technology Development Co ltd
Current assignee: South Venture Tianjin Technology Development Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-10-31
Anticipated expiration: 2033-05-18

Abstract

The utility model belongs to the technical field of environmental engineering sewage treatment, and particularly relates to a sewage lifting device, which comprises a water storage tank and a lifting tank; a water inlet is formed in the water storage tank, and a basket grid is arranged below the water inlet in the water storage tank; the lifting box comprises: the bottom of the outer box body is communicated with the water storage tank, the top end of the central cylinder is fixedly connected with the top end of the outer box body, and the bottom end of the central cylinder is fixedly connected and communicated with the bottom end of the outer box body; the lifting box is internally provided with a water outlet lifting pump, the top of the lifting box is provided with a water outlet, and the water outlet is connected with the main water outlet sequentially through a soft connecting piece, a check valve and a regulating valve. According to the utility model, the water storage tank and the lifting tank are arranged independently, and the lifting tank is divided into the water inlet chamber and the lifting chamber, so that not only can the water inlet disturbance be effectively prevented, but also multiple functions of water storage and sewage conveying and lifting can be realized, and the treatment effect of the sewage lifting device is improved.

Description

Sewage lifting device

Technical Field

The utility model belongs to the technical field of environmental engineering sewage treatment, and particularly relates to a sewage lifting device.

Background

The sewage lifting device is generally designed according to the quantity of project requirements, integrates a regulating tank, a pump, a pipeline and a control system, performs prefabricated production in a factory, is used for collecting and conveying sewage, rainwater and the like, and is widely applied to various fields. If sewage directly enters the pump station, the sewage can impact the submersible sewage pump at the lower part, so that mixed flow and cavitation are generated, the working efficiency and the service life of the submersible sewage pump are affected, and even the pipeline, the water pump, the liquid level control system and the like in the pump station are greatly damaged by scouring and vibration. In the prior art, in order to prevent mixed flow and cavitation of a submersible sewage pump caused by sewage directly entering a pump station, an anti-disturbance structure is usually designed at a water inlet. However, although the anti-disturbance structures can play a certain role, the anti-disturbance structures are extremely easy to damage by vibration when the inflow velocity is too large, and the anti-disturbance effect is affected. For this purpose, the present utility model is proposed.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a sewage lifting device.

The technical scheme of the utility model is realized as follows:

a sewage lifting device comprises a water storage tank and a lifting tank which are arranged independently; a water inlet is formed in the water storage tank, and a basket grid is arranged below the water inlet in the water storage tank; the lifting box comprises: the water tank comprises an outer tank body, a central cylinder, a flexible connecting piece, a check valve, a regulating valve and a main water outlet, wherein the central cylinder, the flexible connecting piece, the check valve, the regulating valve and the main water outlet are arranged in the outer tank body; the lifting box is internally provided with a water outlet lifting pump, the top of the lifting box is provided with a water outlet, and the water outlet is connected with the main water outlet sequentially through a soft connecting piece, a check valve and a regulating valve.

Preferably, the periphery of the bottom end of the central cylinder is uniformly provided with three lifting chamber water inlets.

Further preferably, the number of the water outlet lifting pumps is two, two water outlets are arranged corresponding to the two water outlet lifting pumps, each water outlet is correspondingly provided with a soft connecting piece, a check valve and a regulating valve, and each water outlet is connected with the total water outlet through the soft connecting piece, the check valve and the regulating valve in sequence.

Further preferably, the valve box is further included, and the check valve and the regulating valve are both positioned in the valve box.

Further preferably, the top end of the central cylinder is fixedly connected with the top end of the outer box body through a plurality of reinforcing members, and the plurality of reinforcing members are uniformly arranged on the periphery of the top end of the central cylinder in a surrounding manner and are fixed with the top end of the outer box body.

Further preferably, the water storage tank is of a cylindrical structure, the inner surface of the bottom end of the water storage tank is obliquely arranged, the top of the water storage tank is provided with a ventilation cap, and an activated carbon filtering unit is arranged in the ventilation cap.

Further preferably, the outer box body is of a cylindrical structure, the outer box body and the central cylinder are coaxially arranged, the bottom of the lifting box is of a round bottom conical structure, the top of the lifting box is provided with a ventilation cap, and an activated carbon filtering unit is arranged in the ventilation cap.

Further preferably, the top end of the lifting box is provided with a return port and a liquid level meter mounting hole for mounting the liquid level meter.

Further preferably, the top of the water storage tank is provided with an equipment mounting hole A, the top of the lifting tank is provided with an equipment mounting hole B, and the equipment mounting hole A and the equipment mounting hole B are provided with extension joints.

Compared with the prior art, the water storage tank and the lifting tank are arranged independently, the lifting tank is divided into the water inlet chamber and the lifting chamber, so that the water inlet disturbance can be effectively prevented, the cavitation damage of the water outlet lifting pump is reduced, the service life is prolonged, the water storage and sewage conveying and lifting functions can be realized, and the treatment effect of the sewage lifting device is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the lift box of FIG. 1;

fig. 3 is a schematic perspective view of the lifting box in fig. 1.

In the figure: 1. a water inlet; 2. basket grille; 3. an equipment mounting hole A; 4. a water storage tank; 5. a ventilation cap; 6. a water outlet; 7. a main water outlet; 8. a valve box; 9. a flexible connection member; 10. a return port; 11. a level gauge mounting hole; 12. a water outlet lifting pump; 13. an equipment mounting hole B; 14. a lifting box; 15. a check valve; 16. a regulating valve; 17. a water inlet chamber; 18. a lifting chamber; 19. a water inlet chamber cone bottom plate; 20. a central cylinder; 21. a lifting chamber water inlet; 22. a reinforcement; 23. and (5) connecting pipes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order to solve the problems in the background art, the present utility model provides a sewage lifting device, comprising a water storage tank 4 and a lifting tank 14 which are independently arranged;

the water storage tank 4 is provided with a water inlet 1, the basket grid 2 is arranged below the water inlet 1 in the water storage tank 4, the basket grid 2 is preferably made of stainless steel, and the bottom plate of the water storage tank 4 is preferably arranged obliquely so as to realize water outlet of the slope lifting tank 14 and prevent solid sludge accumulation;

the lift box 14 includes: the water tank comprises an outer tank body, a central cylinder 20, a flexible connecting piece 9, a check valve 15, a regulating valve 16 and a total water outlet 7, wherein the central cylinder 20, the flexible connecting piece 9, the check valve 15, the regulating valve 16 and the total water outlet 7 are arranged in the outer tank body; a water outlet lifting pump 12 is arranged in the lifting box 14, a water outlet 6 is arranged at the top of the lifting box 14, and the water outlet 6 is connected with the total water outlet 7 through a flexible connecting piece 9, a check valve 15 and a regulating valve 16 in sequence.

Working principle: sewage enters the water storage tank 4 through the water inlet 1 and is physically filtered through the basket grid 2 (hair, sanitary products and the like are intercepted to prevent the water outlet lifting pump 12 from being blocked to affect the lifting effect and the service life of the water outlet lifting pump), the filtered sewage is inclined to the water outlet and enters the water inlet chamber 17, the sewage with sludge firstly impacts the central cylinder 20 and is uniformly distributed in the water inlet chamber 17, then slowly enters the lifting chamber 18 and is lifted through the water outlet lifting pump 12, and sequentially passes through the soft connecting piece 9, the check valve 15 and the regulating valve 16 from the water outlet 6 to reach the total water outlet 7, and the water outlet lifting pump 12 is preferably a lifting pump with a cutting function.

The utility model sets the water storage tank 4 and the lifting box 14 independently and divides the lifting box 14 into the water inlet chamber 17 and the lifting chamber 18, which not only can effectively prevent water inlet disturbance, avoid direct impact of sewage on the water outlet lifting pump 12, reduce cavitation damage of the water outlet lifting pump 12, prolong the service life of the water outlet lifting pump 12, but also can serve as a regulating tank to regulate water quality and water quantity of the small-sized drainage system and realize lifting and transferring functions to the downstream of water treatment. The utility model can be widely applied to the collection and transportation of sewage in various fields such as domestic sewage, public place sewage, sewage from sewage treatment plants, rainwater in low-lying areas of urban areas, agricultural production sewage, industrial production sewage and the like.

In one embodiment, three lifting chamber water inlets 21 are uniformly formed in the periphery of the bottom end of the central cylinder 20, the water inlet chamber 17 is communicated with the lifting chamber 18 through the lifting chamber water inlets 21, a water inlet is formed in the side face of the bottom of the outer box body, the lifting chamber water inlets 21 and the water inlet are staggered, the central cylinder 20 can function like a baffle, the water inlet is communicated with the water storage tank 4 through a connecting pipe 23, sewage in the water storage tank 4 enters the water inlet chamber 17 through the connecting pipe 23, is uniformly distributed in the water inlet chamber 17 after being blocked by the central cylinder 20, then enters the lifting chamber 18 under the guidance of the three lifting chamber water inlets 21 which are uniformly arranged, and finally is lifted through the water outlet lifting pump 12, so that the problems that air bubbles are brought into the water outlet lifting pump 12 by directly flushing sewage to cause cavitation and possibly cause misoperation are solved. Moreover, the central cylinder 20 provided with the lifting chamber water inlet 21 forms an anti-disturbance structure capable of effectively preventing water from being disturbed, and the anti-disturbance structure is not easy to damage seriously due to too fast water inflow velocity, is not easy to damage even if used for a long time, and does not influence the anti-disturbance effect.

As a preferred technical solution, in another embodiment of the present utility model, two water outlet lift pumps 12 are provided, two water outlets 6 are provided corresponding to two water outlet lift pumps 12, each water outlet 6 is correspondingly provided with a flexible connecting piece 9, a check valve 15 and a regulating valve 16, and each water outlet 6 is respectively connected with the total water outlet 7 through the flexible connecting piece 9, the check valve 15 and the regulating valve 16 in sequence; the flexible connection 9 is in particular a flexible connection pipe.

Preferably two lifting units are provided, each comprising an outlet lift pump 12, a water outlet 6, a flexible connection 9, a check valve 15 and a regulating valve 16. Generally, the two lifting units can be used alternately, so that long-time operation is avoided, the service life is influenced, and the two lifting units can be used together in series; of course, a greater number of lifting units is also possible to achieve different capacity requirements for the project.

Illustratively, the valve box 8 is also included, the check valve 15 and the regulating valve 16 are all positioned in the valve box 8, and the valve box 8 is preferably arranged independently of the main body of the utility model and is preferably installed on the ground so as to be convenient for operation and maintenance personnel to operate; the main body of the present utility model may be designed as an above-ground structure, or may be designed as an underground structure, and when it is designed as an underground structure, an anti-floating device for preventing the main body of the present utility model from floating up due to the rise of the underground water level may be further configured according to actual needs (the specific structure is not limited, and the prior art capable of satisfying this function may be provided).

As a preferred embodiment of the present utility model, the top end of the central tube 20 is fixedly connected with the top end of the outer box body through a plurality of reinforcing members 22, and the plurality of reinforcing members 22 are uniformly arranged around the top end periphery of the central tube 20 and are fixed with the top end of the outer box body.

The concrete example, storage water tank 4 is cylindrical structure, PP material, and cylindrical structure atress compares rectangular structure more stable, and the PP material is more corrosion-resistant and easy processing preparation, and cylindrical, PP material's storage water tank not only makes things convenient for the mill to make, and light easy transportation, on-the-spot installation are simple moreover, and is low to transportation and constructor's ability requirement, helps long-term use. The water storage tank 4 can meet the intermittent water inflow of domestic sewage and regulate homogenization, so that the problem of sewage overflow caused by insufficient lifting of the water outlet lifting pump 12 due to large water volume impact and overload water inflow is prevented; the internal surface slope setting and the top of storage water tank 4 bottom are provided with ventilation cap 5, prevent that the sewage in the storage water tank 4 from depositing for a long time and producing poisonous gas and appear casualties when leading to the maintainer to get into, are provided with activated carbon filter unit in the ventilation cap 5, adsorb the filtration to the foul smell, prevent that it from causing danger or polluting surrounding environment to fortune dimension personnel.

As a preferred technical scheme, in still another embodiment of the utility model, the outer box body is of a cylindrical structure, the bottom of the outer box body is provided with a water inlet chamber cone bottom plate 19, one end of the water inlet chamber cone bottom plate 19 is fixedly connected with the bottom wall of the outer box body, the other end of the water inlet chamber cone bottom plate is fixedly connected with the side wall of the outer box body, so that the water inlet chamber 17 is in a cone bottom, the outer box body and the central cylinder 20 are coaxially arranged, the water outlet lifting pump 12 is arranged in the central cylinder 20, and sludge accumulated at the bottom of the water inlet chamber 17 is almost completely lifted away from the lifting box 14 under the suction effect of the water outlet lifting pump 12 and the driving of water flow in the water inlet chamber 17, thereby reducing dredging work of operation and maintenance personnel; the top of the lifting box 14 is provided with a ventilation cap, an activated carbon filter unit is arranged in the ventilation cap, and the ventilation cap and the activated carbon filter unit are designed for the same purpose.

In some examples, the top end of the lifting box 14 is provided with a return port 10 and a liquid level meter mounting hole 11, and the liquid level meter is mounted through the liquid level meter mounting hole 11, so that in actual use, the linkage operation of the water outlet lifting pump 12 and the upstream and downstream system of the utility model can be realized.

As a preferred technical solution, in a further embodiment of the present utility model, a device mounting hole A3 is provided at the top of the water tank 4, a device mounting hole B13 is provided at the top of the lifting box 14, extension sections are provided on the device mounting hole A3 and the device mounting hole B13, and a manhole is installed through the device mounting hole A3 and the device mounting hole B13, and the manhole ground setting can be realized no matter how much the main body of the present utility model is buried through the extension sections, so as to facilitate access; the concrete structure of the extension section is not limited, and any prior art that can satisfy the extension of the manhole to the ground may be used.

It should be noted that, the materials of the various parts in the embodiments of the present utility model may be any materials that can make them have higher strength in the present or future.

In the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A sewage lifting device, characterized in that: comprises a water storage tank (4) and a lifting tank (14) which are arranged independently of each other;

a water inlet (1) is formed in the water storage tank (4), and a basket grid (2) is arranged below the water inlet (1) in the water storage tank (4);

the lift box (14) comprises: the water tank comprises an outer tank body, a central cylinder (20), a flexible connecting piece (9), a check valve (15), a regulating valve (16) and a total water outlet (7), wherein the central cylinder (20), the flexible connecting piece (9), the check valve (15), the regulating valve (16) and the total water outlet (7) are arranged in the outer tank body; a water outlet lifting pump (12) is arranged in the lifting box (14), a water outlet (6) is arranged at the top of the lifting box (14), and the water outlet (6) is connected with the total water outlet (7) through a soft connecting piece (9), a check valve (15) and a regulating valve (16) in sequence.

2. The sewage lifting device of claim 1, wherein: three lifting chamber water inlets (21) are uniformly formed in the periphery of the bottom end of the central cylinder (20).

3. The sewage lifting device of claim 2, wherein: the number of the water outlet lifting pumps (12) is two, two water outlets (6) are arranged corresponding to the two water outlet lifting pumps (12), each water outlet (6) is correspondingly provided with a soft connecting piece (9), a check valve (15) and a regulating valve (16), and each water outlet (6) is respectively connected with the total water outlet (7) through the soft connecting pieces (9), the check valves (15) and the regulating valves (16) in sequence.

4. A sewage lifting device according to claim 3, wherein: the valve box (8) is further included, and the check valve (15) and the regulating valve (16) are both positioned in the valve box (8).

5. The sewage lifting device of claim 1, wherein: the top of the central cylinder (20) is fixedly connected with the top of the outer box body through a plurality of reinforcing members (22), and the plurality of reinforcing members (22) are uniformly arranged on the periphery of the top of the central cylinder (20) in a surrounding mode and are fixed with the top of the outer box body.

6. The sewage lifting device of claim 1, wherein: the water storage tank (4) is of a cylindrical structure, the inner surface of the bottom end of the water storage tank (4) is obliquely arranged, the top of the water storage tank is provided with a ventilation cap (5), and an activated carbon filtering unit is arranged in the ventilation cap (5).

7. The sewage lifting device of claim 1, wherein: the outer box body is cylindrical structure, outer box body and central section of thick bamboo (20) coaxial setting, lifting box (14) bottom are round bottom toper structure and top are provided with the ventilation cap, be provided with the active carbon filter unit in the ventilation cap.

8. The sewage lifting device of claim 1, wherein: the top end of the lifting box (14) is provided with a return port (10) and a liquid level meter mounting hole (11).

9. The sewage lifting device of claim 1, wherein: the top of the water storage tank (4) is provided with an equipment mounting hole A (3), the top of the lifting box (14) is provided with an equipment mounting hole B (13), and the equipment mounting hole A (3) and the equipment mounting hole B (13) are provided with extension joints.