| 摘要 |
<p>Apparatus for discontinuously diluting a liquid in another liquid, to a predetermined level of concentration, comprising a metering container provided with a means for automatically limiting the filling thereof to a predetermined level, a tank for liquid to be diluted, whose lower part is connected to the upper part of the metering container by a conduit, a dilution vessel whose lower part is connected to the lower part of the metering container, a means for permitting transfer of the diluted liquid from the lower part of the dilution vessel to an assembly for using the diluted liquid, a conduit for passing the diluting liquid into the dilution vessel, a valve which is interposed on the conduit carrying the diluting liquid into the dilution vessel, an aspirator means which is disposed on the conduit carrying the diluting liquid to the dilution vessel and positioned downstream of the valve.</p> |
