CN213305187U

CN213305187U - Ventilation device of inclined axial flow pump unit motor

Info

Publication number: CN213305187U
Application number: CN202022692111.7U
Authority: CN
Inventors: 陶茂蕾; 江基冰; 黄小玲
Original assignee: Foshan Shunde Water Resources And Hydropower Survey And Design Institute Co ltd
Current assignee: Foshan Shunde Water Resources And Hydropower Survey And Design Institute Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-05-28
Anticipated expiration: 2030-11-19

Abstract

The application relates to a ventilation unit of inclined axial-flow pump unit motor, it includes the ventilation structure, in the hydraulic structure and the building structure of pump station were located to the ventilation structure, the air inlet end of ventilation structure was towards axial-flow pump motor, in the upper portion building structure of ventilation structure extension to pump station, the air-out end of ventilation structure was provided with the water conservancy diversion spare, the air-out end of water conservancy diversion spare was towards the outside of pump station. The ventilation device in the scheme of the application is simple in structure and easy to implement, can effectively realize ventilation and heat dissipation of the axial flow pump motor, and the ventilation structure is hidden in a hydraulic structure and a building structure of a pump station, so that the space can be saved, and the utilization rate of the space of the pump station is improved.

Description

Ventilation device of inclined axial flow pump unit motor

Technical Field

The application relates to the field of hydraulic engineering, in particular to a ventilation device of an inclined axial flow pump unit motor.

Background

The axial flow pump is a pump which transports liquid along the axial direction by the action force of the blades of the rotating impeller on the liquid, and the axial flow pump has various types, such as vertical type, horizontal type, inclined type and through-flow type. The inclined axial flow pump is a pump type between a vertical axial flow pump and a horizontal axial flow pump and is used for a low-lift pump station.

In the related art, the mounting elevation of the motor of the inclined axial flow pump unit is generally low and is not higher than the ground of a main factory building, poor ventilation is easily caused by heat dissipation of the motor in a natural ventilation mode, and overheating accidents of the motor are caused. And the structure of a pumping station factory is limited, the traditional pipeline type motor forced ventilation mode is not easy to arrange, and the air channel is complex to manufacture.

Based on this, the present application provides a ventilation device for an inclined axial flow pump unit motor, so as to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to help to improve the problem that ventilation and heat dissipation of an inclined axial flow pump unit motor are inconvenient, the application provides a ventilation device of the inclined axial flow pump unit motor.

The application provides a ventilation unit of inclined axial compressor pump unit motor adopts following technical scheme:

the utility model provides a ventilation unit of inclined axial-flow pump unit motor, includes the ventilation structure, in the hydraulic structure and the building structure of pump station were located to the ventilation structure, the air inlet end of ventilation structure was towards axial-flow pump motor, the ventilation structure extends to in the upper portion building structure of pump station, the air-out end of ventilation structure is provided with the water conservancy diversion spare, the air-out end of water conservancy diversion spare is towards the outside of pump station.

Through adopting above-mentioned technical scheme, the water conservancy diversion spare is opened, and the outside of pump station is taken out with the heat of axial-flow pump motor through ventilation structure, realizes the heat dissipation to axial-flow pump motor. Compared with the traditional forced ventilation mode of the pipeline type motor, the ventilation device is simple in structure and easy to implement, can effectively realize ventilation and heat dissipation of the axial flow pump motor, is hidden in a hydraulic structure and a building structure of a pump station, can save space, and improves the utilization rate of the space of the pump station.

Optionally, the ventilation structure is including burying the ventilation pipe in pump station lower part hydraulic structure underground and locating the structural well of pump station upper portion building structure, the air inlet end of ventilation pipe is towards axial-flow pump motor, the air-out end and the structural well of ventilation pipe are linked together, the air-out end at the structural well is installed to the water conservancy diversion spare.

Through adopting above-mentioned technical scheme, set up the ventilation pipe in lower part hydraulic structure, can guarantee that the air inlet end of ventilation pipe is towards axial-flow pump motor according to the position adjustment ventilation pipe of axial-flow pump motor, ensure effectively to dispel the heat to axial-flow pump motor, the structural well sets up in upper portion building structure, can effectively utilize the building structure of pump station, saves space. Simultaneously, the ventilation pipe and the structural well are arranged in the building structure, so that the structural strength of the ventilation pipe and the structural well can be improved, and the service life of the ventilation pipe and the structural well can be prolonged. The arrangement can reduce the resistance of wind power, improve the ventilation efficiency and further improve the heat dissipation effect of the axial-flow pump motor.

Optionally, the size of the orifice of the ventilation pipe is not larger than the size of the ventilation opening of the structural well.

Through adopting above-mentioned technical scheme, such setting up partly that makes the air-out end of ventilation pipe can wear to locate in the structure well, improves the velocity of flow of air current, guarantees the smoothness nature of ventilation, and then guarantees its ventilation efficiency.

Optionally, the ventilation structure and the flow guide piece are arranged in a plurality of numbers, and the ventilation structure and the flow guide piece correspond to the axial flow pump motor one to one.

Through adopting above-mentioned technical scheme, every axial-flow pump motor uses one set of ventilation structural system alone, makes it can carry out effectual extraction to the heat of axial-flow pump motor, improves the cooling effect to the axial-flow pump, guarantees the normal operating of axial-flow pump.

Optionally, the diversion part comprises a diversion fan, the diversion fan is installed in the side wall of the structural well, and the air outlet end of the diversion fan faces the outer side of the pump station.

By adopting the technical scheme, the diversion fan is started to enable the ventilation pipe to form negative pressure at the air inlet end, heat generated by the axial flow pump motor enters the ventilation structure and is extracted to the outer side of the pump station from the ventilation structure by the diversion fan, and heat dissipation of the axial flow pump motor is achieved.

Optionally, an air outlet end of the flow guide fan is provided with a rain cover.

Through adopting above-mentioned technical scheme, the setting up of rain-proof cover can reduce the rainwater and take place from the condition that guiding fan department got into the ventilation structure in, avoids the rainwater to block up the ventilation structure and causes the unable normal use of ventilation structure.

Optionally, the rain cover is detachably mounted on the outer side wall of the structural well.

Through adopting above-mentioned technical scheme, when needs overhaul the guiding fan, the accessible is dismantled rain-proof cover and is overhauld again, and the detachable setting of rain-proof cover has improved the convenience that the maintainer overhauld.

Optionally, the rain cover is made of stainless steel materials.

Through adopting above-mentioned technical scheme, such setting can prolong the life of rain-proof cover, avoids frequently changing the rain-proof cover and causes the condition that work efficiency reduces to maintain reduce cost.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the diversion piece is opened, and the heat of the axial-flow pump motor is extracted to the outer side of the pump station through the ventilation structure, so that the heat dissipation of the axial-flow pump motor is realized. Compared with the traditional forced ventilation mode of the pipeline type motor, the ventilation device has a simple structure, is easy to implement, can effectively realize ventilation and heat dissipation of the axial-flow pump motor, and can save space and improve the utilization rate of the space of the pump station because the ventilation structure is hidden in the building structure of the pump station;

2. set up the ventilation pipe in lower part hydraulic structure, can guarantee that the air inlet end of ventilation pipe is towards axial-flow pump motor according to the position adjustment ventilation pipe's of axial-flow pump motor position, ensure effectively to dispel the heat to axial-flow pump motor, the structural well sets up in upper portion building structure, can effectively utilize the building structure of pump station, saves space. Meanwhile, the ventilation pipe and the structural well are arranged in the hydraulic structure and the building structure, so that the structural strength of the ventilation pipe and the structural well can be improved, and the service life of the ventilation pipe and the structural well can be prolonged. The arrangement can reduce the resistance of wind power, improve the ventilation efficiency and further improve the heat dissipation effect of the axial-flow pump motor.

Drawings

Fig. 1 is a top view of the overall structure of an example of the present application.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Description of reference numerals: 10. a pump station; 11. an axial flow pump motor; 2. a ventilation structure; 21. a vent pipe; 22. a structural well; 221. a vent; 31. mounting holes; 32. a flow guiding fan; 4. rain-proof cover.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a ventilation device of an inclined axial flow pump unit motor. Referring to fig. 1 and 2, an axial flow pump motor 11 is arranged in a pump station 10, a ventilation device comprises a ventilation structure 2 arranged in a hydraulic structure and a building structure of the pump station 10, an air inlet end of the ventilation structure 2 faces the axial flow pump motor 11, an air outlet end of the ventilation structure 2 extends to the outer side of the upper building structure of the pump station 10, and a flow guide piece is arranged at the air outlet end of the ventilation structure 2 and used for extracting heat generated by the axial flow pump motor 11 to the outer side of the pump station 10.

The ventilation structure 2 comprises a ventilation pipe 21 and a structural well 22, the ventilation pipe 21 is buried in a hydraulic structure at the lower part of the pump station 10, an air inlet end of the ventilation pipe 21 faces the axial flow pump motor 11, and the axial direction of the air inlet end of the ventilation pipe 21 is perpendicular to the inclined direction of the axial flow pump motor 11, so that the ventilation pipe 21 is in butt joint with the axial flow pump motor 11, and heat generated by the axial flow pump motor 11 is extracted conveniently.

The structure well 22 is arranged in a building structure on the upper portion of the pump station 10 and serves as a wall to separate the pump station 10 from an external environment, the structure well 22 is formed by pouring concrete, a vent 221 is formed in the structure well 22, and the size of the vent 221 of the structure well 22 is larger than that of the pipe orifice of the vent pipe 21, so that one end, extending to a building on the upper portion of the pump station 10, of the vent pipe 21 penetrates through the vent 221 and is communicated with the vent 221, and connection of the vent pipe 21 and the structure well 22 is guaranteed. Meanwhile, the shape of the pipe orifice of the ventilation pipe 21 and the shape of the ventilation opening 221 of the structural well 22 can be square, circular or rhombic, and the like, and the ventilation pipe orifice is displayed in a square shape in the embodiment, and the shape of the pipe orifice of the ventilation pipe 21 is only required to be consistent with the shape of the ventilation opening 221 of the structural well 22 in the actual construction process.

Referring to fig. 2, the diversion member includes a diversion fan 32, a mounting hole 31 is formed in a side wall of the structural well 22 facing the outside of the pump station 10, the mounting hole 31 is communicated with a vent 221, the diversion fan 32 is installed in the mounting hole 31, an air outlet end of the diversion fan 32 faces the outside of the pump station 10, and when the diversion fan 32 is opened, heat generated by the axial flow pump motor 11 is extracted to the outside of the pump station 10 along the vent pipe 21 and the structural well 22, so that ventilation, heat dissipation and cooling of the axial flow pump motor 11 are realized, and normal operation of the axial flow pump motor 11 is ensured.

In this embodiment, the axial flow fan is selected as the guiding fan 32, the air volume of the axial flow fan is large, the unit energy consumption is low, the rapid heat extraction of the axial flow pump motor 11 can be realized, and energy saving can be realized, and meanwhile, the guiding fan 32 can also be selected from different fans, such as an oblique flow fan, so as to achieve the purpose of rapidly extracting heat generated by the axial flow pump motor 11. Meanwhile, the ventilation structures 2 and the guide fans 32 are arranged in a plurality of numbers, and the ventilation structures 2 and the guide fans 32 correspond to the axial flow pump motors 11 one by one, so that the axial flow pump motors 11 are guaranteed to be cooled.

In order to prevent that the rainwater from getting into structure well 22 in the mounting hole 31 and causing the jam of structure well 22, the air-out end of water conservancy diversion fan 32 is provided with rain-proof cover 4, rain-proof cover 4 is detachable installs on the lateral wall of structure well 22, the air-out end of water conservancy diversion fan 32 communicates mutually with the air inlet end of rain-proof cover 4, the air-out end of rain-proof cover 4 is buckled and is set up downwards, rain-proof cover 4 adopts stainless steel material to make simultaneously, can effectively prolong the life of rain-proof cover 4, reduce the manual maintenance cost.

The implementation principle of the ventilation device of the motor of the inclined axial flow pump unit in the embodiment of the application is as follows: when the diversion fan 32 is turned on, heat generated by the axial-flow pump motor 11 is extracted into the ventilation pipe 21 along with air and is extracted to the outer side of the pump station 10 along the ventilation pipe 21 and the structural well 22, so that ventilation and heat dissipation of the axial-flow pump motor 11 are realized. The ventilation device is simple in structure, few in corner times, smooth in ventilation, small in resistance to air and high in ventilation efficiency, and the ventilation pipe 21 and the structural well 22 are completely hidden in the hydraulic structure and the upper building structure of the pump station 10, so that the space can be effectively saved, and the structural strength of the ventilation device is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A ventilation device of an inclined axial flow pump unit motor is characterized in that: including ventilation structure (2), ventilation structure (2) are located in the hydraulic structure and the building structure of pump station (10), the air inlet end of ventilation structure (2) is towards axial-flow pump motor (11), ventilation structure (2) extend to in the upper portion building structure of pump station (10), the air-out end of ventilation structure (2) is provided with the water conservancy diversion spare, the air-out end of water conservancy diversion spare is towards the outside of pump station (10).

2. The ventilation device of an inclined axial flow pump unit motor according to claim 1, characterized in that: ventilation structure (2) are including burying ventilation pipe (21) in pump station (10) lower part hydraulic structure underground and locating pump station (10) upper portion building structure's structural well (22), the air inlet end of ventilation pipe (21) is towards axial-flow pump motor (11), the air-out end and the structural well (22) of ventilation pipe (21) are linked together, the air-out end at structural well (22) is installed to the water conservancy diversion spare.

3. The ventilation device of an inclined axial flow pump unit motor according to claim 2, characterized in that: the size of the nozzle of the ventilation pipe (21) is not larger than that of the ventilation opening (221) of the structural well (22).

4. A ventilating device of an electric motor of an oblique axial flow pump unit according to claim 3, characterized in that: the ventilating structure (2) and the flow guide piece are arranged in a plurality of numbers, and the ventilating structure (2) and the flow guide piece correspond to the axial flow pump motor (11) one by one.

5. The ventilation device of an inclined axial flow pump unit motor according to claim 2, characterized in that: the flow guide piece comprises a flow guide fan (32), the flow guide fan (32) is installed in the side wall of the structural well (22), and the air outlet end of the flow guide fan (32) faces the outer side of the pump station (10).

6. The ventilation device of an inclined axial flow pump unit motor according to claim 5, characterized in that: and a rain cover (4) is arranged at the air outlet end of the diversion fan (32).

7. The ventilation device of an inclined axial flow pump unit motor according to claim 6, characterized in that: rain-proof cover (4) detachable installation is on the lateral wall of structure well (22).

8. The ventilation device of an electric motor of an oblique axial flow pump unit according to claim 7, characterized in that: the rain cover (4) is made of stainless steel materials.