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21. 发明申请

WO99023417A1 DEAERATED FEEDWATER SUPPLY SYSTEM FOR A BOILER SYSTEM AND METHOD FOR DEAERATING BOILER FEEDWATER 审中-公开
标题翻译：用于锅炉系统的排水给水系统和用于加热锅炉给水的方法
公开(公告)号：WO99023417A1
公开(公告)日：1999-05-14
申请号：PCT/US1998/023585
申请日：1998-11-05
IPC分类号： B01D19/00 , F22D11/00 , F22D5/26
CPC分类号： F22D11/00 , B01D19/0047 , B01D19/0068
摘要： A deaerated feedwater supply system (110) for a boiler system includes a water supply conduit (124) configured to provide a supply of water to deaerator tank (115), and a deaerated makeup water conduit (148) configured to convey deaerated makeup water from the deaerator tank to a surge tank (146) at an elevation in the surge tank below the surface of deaerated feedwater contained therein. A heat exchanger (120) is provided for exchanging heat from deaerated makeup water in the deaerated makeup water conduit to the water in the water supply conduit so that the water is heated prior to entering the deaerator tank, and the deaerated makeup water is cooled upon entry into the surge tank. Polypropylene (158) spheres are provided within the surge tank for reducing oxygen absorption into deaerated feedwater. A deaerated feedwater conduit is configured to convey deaerated feedwater from the surge tank to the boiler (166). A condensate return conduit (152) is configured to convey condensate return from the boiler to the surge tank at an elevation in the surge tank below the surface of deaerated feedwater contained therein.
摘要翻译：用于锅炉系统的脱气给水供应系统（110）包括被配置为向除气罐（115）提供水供应的供水管道（124），以及排气补水管道（148），其被配置为将排气的补充水从除气器箱到达缓冲罐的高度处的缓冲罐（146），其在其中包含的除气给水的表面下方。提供了一种热交换器（120），用于将脱气补充水管道中的脱气补充水的热量与供水管道中的水进行交换，使得在进入除气罐之前加热水，并将脱气的补充水冷却进入缓冲罐。聚丙烯（158）球体设置在缓冲罐内，用于减少氧气吸入脱气给水中。排气给水管道被构造成将脱气的给水从缓冲罐输送到锅炉（166）。冷凝水返回管道（152）构造成将冷凝物从锅炉返回到缓冲罐，其中缓冲罐的高度位于容纳在其中的脱气给水表面下方。

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