<font size="4"><font style="BACKGROUND-COLOR: #00ffff;"> <span style="COLOR: black;">防止油中进水的措施</span></font></font><font color="#ffffff"><font size="4"><font style="BACKGROUND-COLOR: #00ffff;"><span style="COLOR: black;">
<br/> (1) </span><span style="COLOR: black;">合理调整轴封间隙,以转子热膨胀的胀幅与转子最大振幅之和为基准,既可避免机组运行时因轴封间隙过大而漏汽,又可避免机组启动过临界转速时因振动发生磨擦,使轴封尖齿倒伏。</span></font></font></font><font color="#ffffff"><font style="BACKGROUND-COLOR: #00ffff;"><font size="4"><span style="COLOR: black;">
<br/><br/> (2) </span><span style="COLOR: black;">合理调整轴封供汽压力,避免轴封漏汽。</span></font></font></font><font color="#ffffff"><font style="BACKGROUND-COLOR: #00ffff;"><font size="4"><span style="COLOR: black;">
<br/> (3) </span><span style="COLOR: black;">缩小轴承油挡间隙。更换轴承座台板润滑脂,减小膨胀阻力,把机组启动时轴承座的前仰或后仰控制在最小,以轴承座变形造成的抬起或降低的变幅与机组振幅为基准,把油档间隙调整到最小允许值。</span></font></font></font><font color="#ffffff"><font style="BACKGROUND-COLOR: #00ffff;"><font size="4"><span style="COLOR: black;">
<br/><br/> (4) </span><span style="COLOR: black;">保持轴封抽汽压力,加大抽汽管道截面积,避免抽汽管堵塞,保持管道畅通。</span></font></font></font><font color="#ffffff"><font style="BACKGROUND-COLOR: #00ffff;"><font size="4"><span style="COLOR: black;">
<br/> (5) </span><span style="COLOR: black;">消除或降低轴承箱内负压,在轴承箱上部加装带滤网的压力调整器,以平衡轴承箱内部压力。</span></font></font></font><font color="#ffffff"><font size="4" style="BACKGROUND-COLOR: #00ffff;"><span style="COLOR: black;">
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