| 摘要 |
<p>A coil heat exchanger is provided, comprising a closed vessel (20) having an inlet (21 ) for receiving heat transfer media and an outlet (22) for discharging heat transfer media, a tubular conduit (30) extending helically within said vessel (20) from a lower part (23) to an upper part (24) of said vessel (20) for transporting liquid products to be heated by said heat transfer media, and an inner housing (40) enclosed by loops (32) of said tubular conduit (30) and sealed against the heat transfer media, wherein said inner housing (40) comprises an open passageway (42) to the environment outside said coil heat exchanger (10).</p> |
