Integrated shaft mixed flow pump station with three-proofing device

Abstract

The utility model relates to pump station technical field discloses an integrated shaft mixed flow pump station with three -proof device, include: water pump system in the cylinder, water pump system includes water pump and water pump shaft, water pump is located in water pump shaft, the bottom of water pump is provided with anti -vortex device, water pump top sets up anti -lifting device, anti -lifting device fixes or presses down water pump, cylinder side wall trepanning and sets up water inlet and water outlet respectively, water outlet with water pump shaft intercommunication. The utility model can realize anti -lifting, anti -vortex, anti -reversal, stabilize water pump suction place flow state, reduce pump station cylinder bottom vortex, promote the stability of submersible shaft mixed flow pump, still can realize the risk of avoiding water pump lifting, protect submersible cable, delay the repair cycle, prolong the service life of submersible electric pump.

Description

Technical Field

[0001] This utility model relates to the field of pump station technology, and more specifically, it relates to an integrated axial mixed flow pump station with a three-proof device. Background Technology

[0002] Precast pumping stations, as a new type of rainwater and sewage treatment equipment, differ from traditional concrete pumping stations in terms of structure, installation, and operation and maintenance. They have been widely and successfully applied in fields such as urban rainwater and sewage pipe network upgrading, municipal drainage, underpass drainage, rural sewage discharge, urban river management, landscape water intake, and farmland irrigation.

[0003] Prefabricated pumping stations consist of a cylindrical system, pump units, pressure pipelines, electrical control systems, and other auxiliary components, forming a complex flow system. Current technologies do not adequately address the prevention of pump lift, vortex, and reverse rotation within integrated prefabricated pumping stations, and the protection of submersible cables is often neglected. Therefore, there is an urgent need to provide an integrated axial mixed-flow pumping station with three-proof devices. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides an integrated axial mixed-flow pump station with a three-proof device, which solves the problems that the prevention of lifting, vortexing and reverse rotation of the pumps in the integrated prefabricated pump station is not centrally addressed, and the protection of the submersible cable is also often not considered.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] An integrated axial mixed-flow pump station with a three-proof device includes:

[0007] A water pump system is installed in a cylinder. The water pump system includes a water pump and a water pump well. The water pump is installed in the water pump well. An anti-vortex device is installed at the bottom of the water pump and an anti-lifting device is installed above the water pump. The anti-lifting device fixes or presses down the water pump.

[0008] The cylinder has openings on its side wall and is provided with an inlet and an outlet, respectively. The outlet is connected to the pump well.

[0009] As a further improvement to this utility model, the anti-vortex device is installed at the bottom of the cylinder, below the water pump inlet, the water pump is installed inside the water pump well, and the submersible cable of the water pump passes through a cavity channel above the anti-lift device.

[0010] As a further improvement to this utility model, the cylinder is also equipped with a level gauge, a secondary maintenance platform and a ladder.

[0011] As a further improvement to this utility model, an inspection port is provided at the top of the cylinder, and the inspection port includes a manhole cover and a fall prevention device.

[0012] As a further improvement to this utility model, a ventilation pipe is installed at the top of the cylinder, and the ventilation pipe is inserted into the water pump.

[0013] As a further improvement to this utility model, it also includes an electronic control system, wherein the start and stop of the water pump and the liquid level signal of the level gauge are controlled by the electronic control system.

[0014] As a further improvement to this utility model, the inlet interface is equipped with an inlet flexible joint, the outlet interface is connected to a pipe through an outlet flexible joint, and a flap valve is provided on the pipe connected to the outlet flexible joint.

[0015] As a further improvement to this utility model, a basket grille is provided at the outlet of the water inlet, and the basket grille is installed in the cylinder through a grille guide rail.

[0016] The beneficial technical effects of this utility model are:

[0017] This invention can prevent pump lifting, vortexing, and reverse rotation, stabilize the flow at the pump inlet, reduce vortices at the bottom of the pump station, and improve the stability of the submersible axial mixed-flow pump. It can also avoid the risk of pump lifting, protect the submersible cable, delay the maintenance cycle, extend the service life of the submersible pump, and solve the problems of pump lifting, vortexing, and reverse rotation in integrated prefabricated pump stations, while also taking into account the protection of the submersible cable. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a plan view of the present utility model;

[0020] Figure 3 This is a schematic diagram of the anti-vortex device of this utility model.

[0021] In the diagram: 1. Water pump; 2. Water pump well; 3. Level gauge; 4. Auxiliary support; 5. Anti-lift device; 6. Secondary maintenance platform; 7. Water outlet; 8. Water outlet flexible joint; 9. Flap valve; 10. Electrical control system; 11. Ventilation pipe; 12. Inspection port; 13. Fall protection device; 14. Ladder; 15. Grille guide rail; 16. Basket grille; 17. Water inlet; 18. Water inlet flexible joint; 19. Cylinder body; 20. Anti-vortex device. Detailed Implementation

[0022] In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0023] Combination Figure 1 - Figure 3 The present invention provides the following embodiments:

[0024] An integrated axial mixed-flow pump station with a three-proof device includes a pump system housed in a cylinder 19. The pump system includes a pump 1 and a pump well 2. The pump 1 is a vertical axial mixed-flow pump housed in the pump well 2. An anti-vortex device 20 is provided at the bottom of the pump 1. The anti-vortex device 20 can stabilize the flow at the suction port of the pump 1, reduce vortices at the bottom of the pump station cylinder, and improve the stability of the pump 1. An anti-lifting device 5 is provided above the pump 1. The anti-lifting device 5 fixes or presses down the pump 1. In this embodiment, the anti-lifting device 5 is fixed to the top of the pump 1. The top of the anti-lifting device 5 is connected to the top opening of the pump well 2 through a connector. The anti-lifting device 5 can prevent the pump 1 from lifting, protect the submersible cable, delay the maintenance cycle, and extend the service life of the pump 1. The side wall of the cylinder 19 has openings and is provided with an inlet 17 and an outlet 7 respectively. The outlet 7 is connected to the pump well 2. During operation, the solid-liquid two-phase medium enters through the inlet 17, reaches the bottom of the cylinder 19, and then enters the water pump 1 through the anti-vortex device 20. Powered by the water pump 1, it enters the pipeline connected to the outlet 7 through the water pump well 2.

[0025] As another preferred embodiment of this utility model, the anti-vortex device 20 is installed at the bottom of the cylinder 19, below the water inlet of the water pump 1. The water pump 1 is installed inside the water pump well 2, and the submersible cable of the water pump 1 passes through a cavity channel above the anti-lift device 5. Specifically, the anti-vortex device 20 is fixedly installed at the bottom of the cylinder 19. The solid-liquid two-phase medium enters the water pump well 2 from the water inlet of the water pump 1 through the anti-vortex device 20. The anti-lift device 5 can protect the submersible cable and also play an anti-lift role. During operation, it will not be washed away, which strengthens the protection of the cable and solves the problems that may be caused by the pump lifting phenomenon due to reversed phase sequence connection and reversed flow return water, such as pump coupling tilting and lifting cable entanglement.

[0026] As another preferred embodiment of this utility model, the cylinder 19 is also equipped with a level gauge 3, a secondary maintenance platform 6, and a ladder 14. Referring to the attached drawings, an auxiliary support 4 can also be designed to facilitate maintenance and repair work within the pump station, ensuring smooth operation of the pump station. An inspection port 12 is provided at the top of the cylinder 19, including a manhole cover and a fall arrestor 13, for enhanced safety. As another preferred embodiment of this utility model, a ventilation pipe 11 is installed at the top of the cylinder 19, and the ventilation pipe 11 is inserted into the water pump 1. This enhances ventilation within the cylinder 19; an axial flow fan can be designed into the ventilation pipe 11.

[0027] As another preferred embodiment of this utility model, it also includes an electrical control system 10, which controls the start and stop of the water pump 1 and the liquid level signal of the level gauge 3. The control is convenient and the operation is simple. The axial flow fan of the ventilation duct 11 can also be controlled by the electrical control system 10. In this embodiment, the cylinder 19, water pump system, electrical control system 10, and other auxiliary components are all prefabricated by the equipment manufacturer, and the complete set of equipment is transported to the site for installation.

[0028] As another preferred embodiment of this utility model, the inlet 17 is equipped with an inlet flexible joint 18, and the outlet 7 is connected to a pipeline via an outlet flexible joint 8. A flap valve 9 is provided on the pipeline connected to the outlet flexible joint 8. Specifically, referring to the accompanying drawings, the inlet 17 is connected to the external pipeline of the pumping station via the inlet flexible joint 18, and the outlet 7 is connected to the external pipeline of the pumping station via the outlet flexible joint 8. A flap valve 9 is also provided at the end of the outlet pipeline to prevent backflow of the medium.

[0029] As another preferred embodiment of this utility model, a basket grille 16 is provided at the outlet of the inlet 17, and the basket grille 16 is installed in the cylinder 19 via a grille guide rail 15. The basket grille 16 serves a filtering function, and the designed grille guide rail 15 facilitates the disassembly and replacement of the basket grille 16.

[0030] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. An integrated shaft mixed flow pumping station with a three-proofing device, characterized in that, include: A water pump system is provided in the cylinder (19), the water pump system includes a water pump (1) and a water pump well (2), the water pump (1) is provided in the water pump well (2), the bottom of the water pump (1) is provided with an anti-vortex device (20), and the top of the water pump (1) is provided with an anti-lifting device (5), the anti-lifting device (5) fixes or presses down the water pump (1); The side wall of the cylinder (19) has openings and is provided with an inlet (17) and an outlet (7) respectively. The outlet (7) is connected to the pump well (2).

2. The integrated shaft mixed flow pump station with a tri-proof device according to claim 1, characterized in that, The anti-vortex device (20) is installed at the bottom of the cylinder (19) and below the water inlet of the water pump (1). The water pump (1) is installed inside the water pump well (2). The submersible cable of the water pump (1) passes through a cavity channel above the anti-lift device (5).

3. The integrated shaft mixed flow pump station with a tri-proof device according to claim 1, characterized in that, The cylinder (19) is also equipped with a level gauge (3), a secondary maintenance platform (6) and a ladder (14).

4. The integrated shaft mixed flow pump station with a tri-proof device according to claim 1, characterized in that, The top of the cylinder (19) is provided with an inspection port (12), which includes a well cover and a fall prevention device (13).

5. The integrated shaft mixed flow pump station with a tri-proof device according to claim 1, characterized in that, A ventilation pipe (11) is installed on the top of the cylinder (19), and the ventilation pipe (11) is inserted into the water pump (1).

6. The integrated shaft mixed flow pump station with a tri-proof device according to claim 1, characterized in that, It also includes an electronic control system (10), which controls the start and stop of the water pump (1) and the level signal of the level gauge (3).

7. The integrated shaft mixed flow pump station with a tri-proof device according to claim 1, characterized in that, The inlet (17) is equipped with an inlet flexible connector (18), and the outlet (7) is connected to a pipe through an outlet flexible connector (8). A flap valve (9) is provided on the pipe connected to the outlet flexible connector (8).

8. The integrated shaft mixed flow pump station with a tri-proof device according to claim 1, characterized in that, A basket grille (16) is provided at the outlet of the water inlet (17), and the basket grille (16) is installed in the cylinder (19) via a grille guide rail (15).

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