Pipeline structure and method for reducing self-excited vibration of pump system
A self-excited vibration and pump system technology, applied in the water supply main pipeline, water supply pipeline system, instruments, etc., can solve the problems of unclear vibration characteristics and vibration mechanism, large calculation time consumption, loose base bolts, etc.
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[0039] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0040] Such as figure 1 The pipeline structure for reducing the self-excited vibration of the pump system shown in the present invention includes a thin steel pipe 1, a thick steel pipe 2 and a polyethylene pipe 3, the thin steel pipe 1 and the thick steel pipe 2 are welded, and the thick steel pipe 2 and the polyethylene pipe 3 are connected by a flange 4 is connected, the valve 6 is connected with the thin steel pipe 1, and the polyethylene pipe 3 is connected with the outlet pool 5. Among them, the diameter of the thin steel pipe is the diameter of the thick steel pipe times, the length of the thin steel pipe is 2 to 3 times the length of the thick steel pipe.
[0041] When calculating the self-excited vibration of the pump system, the pipeline is divided into several sections with the space step Δx, and the time is divided into...
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