صفحه محصول - پاورپوینت شیرهای کنترلی

پاورپوینت شیرهای کنترلی (pptx) 28 اسلاید

دسته بندی : پاورپوینت

نوع فایل : PowerPoint (.pptx) ( قابل ویرایش و آماده پرینت )

تعداد اسلاید: 28 اسلاید

قسمتی از متن PowerPoint (.pptx) :

بنام خدا شیرهای کنترلی Hamed Rafat & mostafa ….. 2008 University of khorasan Edit by : adept : Excellency engineer , Shakeri Control Valve Throttle valve Throttle valve Throttle valve tips : Highly reliable for flow control & emergency shut - off Regulate flow of gas & steam in high pressure turbine The valve rapidly shut down flow to protect valuable equipment Manually or automatically 1 Reduce pressure for well below inlet line pressure to ease opening of the main disk Reduce load on disk for smooth opennig Reduce distortion ① place First throttle -- reducing piece ② place Second level of throttle single seated throttle ( main throttle )Sing seat valve structure , approximately composes 30% of the total pressure drop. ③ place Third level of throttle – Cage throttle Cage structure, approximately composes 60% of the total pressure drop. ③ ③ ② ① Counter- steam eclipse structure analysis Counter- steam eclipse structure analysis ① Place : reduce ② Place : 30 % ③ place : 60 % steam eclipse : Plug cclipse Stem cclipse