| 摘要 |
<p>A method and a device for feeding polymerization liquid capable of stably feeding polymerization liquid without producing any trouble with a mechanical seal for a long period, the method comprising the step of feeding the polymerization liquid by a pump having a flushing liquid line for feeding flushing liquid to a mechanical seal with seal faces (11) and (24) and a flushing liquid inlet (30) for the mechanical seal; the device wherein a strainer, a polymerization inhibitor adding device or a flushing liquid cooling device is installed in the flushing liquid line.</p> |
