게시판 > 질답게시판 > 보일러 스팀 이젝터 문의

스테파노 Stefano

10-10-22 19:35

(0) 정전시 보일러 드럼에 Water를 주입하는 장치는 Ejector가 아니고 Injector라고 부르는 것이 적당합니다. 보일러드럼에 물을 주입한다는 의미가 들어있어서 흔히 그리 부르지만 원리는 동일합니다.

(1) 원리는 스팀드럼에 걸려있는 스팀의 압력으로 Ejector에 Steam을 불어넣어주면 Steam이 대기중으로 분출되면서 물이 따라 올라오고 관성이 커지면 Ejector 하부에 달려있는 Check Valve 형태의 밸브를 밀고 물이 보일러 드럼에 주입되는 것이지요.

(2) 처음부터 스팀이 Ejector를 통해 보일러 드럼에 들어가는 것이 아니고 스팀을 이젝타를 통해 대기중에 방출하면 베르뉴이의 원리에 의해 물의 따라올라오고 이 물의 유속이 빨라져 관성이 커지게되면 이젝타 밑에 달려있는 Check Valve를 밀도 드럼에 들어가는 원리입니다. 질문에서 10 bar의 스팀인데 Steam이 Steam Drum에서 나와 다시 Steam 드럼에 들어가는 것이라고 생각하면 궁금증이 풀리지 않습니다. 핵심적 키워드는 "관성" 그리고 "Check Vave"이지요.

(3) 이곳에 영문으로 소개된 자료가 있습니다. http://www.gutenberg.org/files/28553/28553-h/28553-h.htm

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