A long-life oxygen-blowing metal hose
A metal hose, long-life technology, applied in the direction of pipe elements, pipes/pipe joints/pipes, expansion compensation devices for pipelines, etc. Easily damaged, etc.
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[0016] see figure 1 , the long-life oxygen-blowing metal hose of the present invention includes a bellows as a main part, and a first joint 1 and a second joint 10 are arranged at both ends of the bellows, and the outside of the bellows is coated to improve the pressure bearing capacity of the bellows And the metal mesh body 5 that constitutes protective effect to the bellows, the total length of the bellows is 12-16 meters.
[0017] see Figure 1-Figure 3 , the main improvement of the present invention is reflected in the corrugated pipe. According to the use characteristics of the corrugated pipe, the corrugated pipe is designed as a five-stage structure, that is, the bellows are from left to right as the first pressure-resistant section 3 and the first transition section 4. 1. The highly flexible section 6, the second transition section 7 and the second pressure-resistant section 8 are connected by welding, and the nominal diameter of each section is D. Among them, the fi...
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