| 摘要 |
<p>A continuous vacuum pan includes a cylindrical housing having a vertical axis; at least one liquid heating pan within the housing; a vertical tube, floating calandria within the liquid heating pan, the vertical tube floating calandria having a downcomer between its periphery and the periphery of the liquid heating pan, with a gap between the bottom of the calandria and the bottom of the liquid heating pan; radially extending baffles in the liquid heating pan defining a plurality of compartments located in series with one another, the compartments ranging from a first upstream compartment to a downstream output compartment; and ports in all of the baffles, except in the baffle between the output compartment and the first compartment, the ports being spaced from the bottom of the liquid heating pan and permitting communication between the compartments.</p> |
