Station passage for vacuum pipeline transportation
A technology of vacuum pipes and platforms, applied in the directions of roads, tracks, tunnel systems, etc., can solve the problems of low energy consumption and high energy consumption, and achieve the effect of preventing air leakage and simple structure
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[0009] exist figure 1 Among them, the oval door frame 2 is welded and fixed on the wall of the platform pipeline, the door frame is equipped with a sealed door 1, and the door frame is connected to the inner side of the pipeline with the oval inner shell 3 of the expansion joint, and the inner shell 3 of the expansion joint is set with the outer shell 4 of the expansion joint. An elliptical airtight inner cavity 13 is formed between the inner and outer shells of the telescopic joint, and springs 7 are arranged up, down, left and right in the inner cavity, and the two ends of the spring 7 are connected to the door frame 2 and the telescopic door frame 5 respectively. A telescopic passage 8 is formed between the airtight door and the telescopic door frame, and a vacuum pump station 12 is set near the telescopic passage. After the suction pipe of the pump station is connected, it is divided into three branches. , the third road connects the expansion channel 8 with a valve 10 in ...
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