It is certified that the structure and size of the anti-vibration bar and loop hoop have notable effect on the natural vibration.

计算表明：防振杆与环箍的结构和尺寸对蒸汽发生器管束的固有振动频率有显著影响。

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Lastly, aiming at the problem lying in hoop-stove chimney, the paper establishes the feasible maintenance and reinforcement scheme and demonstrates potential negative effect.

最后，针对环形炉烟囱存在的问题，研究制定了可行的维修加固方案，对其可能产生的负面效应进行了论证。

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