| 摘要 |
<p>PURPOSE:To exceedingly improve heat-recovering efficiency and prevent corrosion or adhesion of dust by providing a circulating piping path of heating medium between a first heat exchanger installed in a circulating gas duct and a second heat exchanger installed in a boiler water-supplying piping path. CONSTITUTION:A first heat exchanger 21 is installed in a circulating gas duct connecting a waste heat recovering boiler 3 and cooling tower 1 and a second heat exchanger 22 is installed in a boiler water-supplying piping path. A closed type circulating piping path 23 containing sealed heating medium is provided between the both heat exchangers to construct a heat recovering device in a coke dry hydration equipment.</p> |
