| 摘要 |
PURPOSE:To deaerate condensate retained in a condenser in a short time period by a method wherein two-stage pressure reducing type deaerator nozzles are furnished under tube bundles of the condenser to stimulate deaeration of condensate using the effect of agitating condensate with steam generated by flashing of the heated condensate, and baffle plates are provided above the liquid outlet constrictions of the deaeration nozzles. CONSTITUTION:A condensate heater 7 is installed midway on a condensate circulation circuit 11, and two-stage pressure reducing type deaerator nozzles 6 are provided under tube bundles 5 of a condenser 2. Thereby, the effect of agitating condensate with steam generated by flashing of the treated condensate is stimulated. In addition, baffle plates 8 are provided above fluid outlet constrictions of the deaerator nozzles 6. Therefore, the condensate is atomized through the deaerator nozzles 6, resulting in an improvement in deaeration performance. That is, the installation of the two-stage pressure reducing type deaeration nozzles 6 can cause an improvement in deaeration performance under any vacuum condition due to an effective rise in liquid temperature and bubbling effect, leading to a considerable reduction in deaeration time period. |
