Bidirectional axial flow pump

Abstract

The invention discloses a bidirectional axial flow pump. The bidirectional axial flow pump comprises an axial flow pipe, a driving shaft is rotationally connected in the axial flow pipe in a penetrating manner, axial flow fan blades are fixedly connected to the side wall of the driving shaft, a supporting frame is fixedly connected to the right side end face of the axial flow pipe, the driving shaft is rotationally connected with the supporting frame in a penetrating manner, an outer fixed ring is fixedly connected to the side wall of the axial flow pipe, a mounting groove is formed in the inner side wall of the outer fixed ring, and a first flow stabilizing mechanism used for carrying out flow stabilizing treatment on water discharged out of the axial flow pipe is arranged in the mounting groove. By arranging the first flow stabilizing mechanism and a second flow stabilizing mechanism, the first flow stabilizing mechanism is used for carrying out the speed reduction process on the rotating state of discharged liquid, spiral turbulent flow of the liquid is adjusted, meanwhile, the second flow stabilizing mechanism and vortex fan blades rotate in the opposite directions, the liquid is in a flow stabilizing state when being discharged out of the pipeline, and the situation that crops and steamships are affected by turbulent flow in the water suction process due to direct discharge of liquid in the turbulent flow state is avoided.

Description

technical field [0001] The invention relates to the technical field of axial flow pumps, in particular to a bidirectional axial flow pump. Background technique [0002] Axial flow pumps rely on the force generated by the blades of the rotating impeller on the liquid to transport the liquid along the axial direction. There are several types of vertical, horizontal, inclined and through-flow pumps. [0003] The existing patent (notification number: CN104989667A) is a two-way axial flow pump, which includes an impeller built into the pump body that rotates with the pump shaft. The pump body is in the shape of a curved tube, an inner shaft seat is provided in the cavity at one end, and an outer shaft seat coaxial with the inner shaft seat is provided on the outer wall of the curved section. The two ends of the pump shaft are respectively supported and rotated by the inner shaft seat and the outer shaft seat, and the extended end of the pump shaft is connected to the output shaf...

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Problems solved by technology

[0004] When the two-way axial flow pump in the above invention is in use, since the pump body relies on the pressure to pump the liquid, and then cooperates with the turbine blades to transport the liquid, this process has high requirements for the suction pressure of the axial flow pump, so the axial flow When the pump is in use, the length of the circulation pipe is often short, that is, the delivery distance is relatively short, and when the liquid is pumped and transported in the actual use process, the discharged liquid is mostly in a turbulent state. In ship applications and agricultural applications , turbulent flow has a greater impact on pumping and drainage, and at the same time, when the liquid is discharged, it will cause an impact on the hull, and at the same time affect the growth of crops in agricultural irrigation:

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