Studies on the Performances of the Steam Injectors with Different Diffuser Throat Diameter from each other in the Case of Changing its Nozzle Position

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  • 蒸気ボイラ給水用インゼクタのノズル位置とディフューザのど部直径が性能に及ぼす影響について
  • ジョウキ ボイラ キュウスイヨウ インゼクタ ノ ノズル イチ ト ディフューザノドブ チョッケイ ガ セイノウ ニ オヨボス エイキョウ ニ ツイテ

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Experiments were performed on steam injectors with different diffuser throat diameter with each other. 1) The larger the diffuser throat diameter of the injector of commercial use we make, the lower the maximum delivery pressure we obtain. 2) The larger the diffuser throat diameter of the injector, the more the suction water vacuum we can obtain. 3) To obtain a higher delivery pressure than the boiler pressure, we must adjust the steam quantities at the injector's diffuser throat precisely. For this purpose, the diffuser throat diameter does not increase by 1 mm over that of steam injector of commercial use.

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