經濟傳熱阻 的英文怎麼說
中文拼音 [jīngjìzhuànrèzǔ]
經濟傳熱阻
英文
economic resistance of heat tra fer-
The original design was intermediate vapor 42t / h, but the actual output is 30 - 35t / h, at the same time the temperature and pressure of the vapor are unstable, it affects the economic efficiency, the reason were the collecting dust on the heat area and serious corrision, they led to the decrease of the boiler load, and need stop to washing the dust, the article deals with the reform of the exhaust gas boiler, at the basic of the design condition, after thermo calculation, flute gas, resistence calculationand strenth calculation, the structure of the heat surface had been rearranged, then the proof calculation was done
原設計產中壓蒸汽42噸時，但投運后只產30 - 35噸時，並且蒸汽溫度和壓力均不穩定，影響到經濟效益。其原因是受熱面積灰和腐蝕嚴重，影響傳熱使鍋爐負荷下降，不能長時間運行，需停產清理積灰。本論文針對此余熱鍋爐的技術改造，在給定設計條件基礎上，通過熱力計算，煙氣阻力計算和強度計算，對鍋爐受熱面結構重新布置，然後再作校核計算。Its main function is to complete heat exchange in technological process and reuse remaining heat, and its quality plays an important role in the investment in industrial process, power consumption and safe economic operation etc. as a new energy - saving equipment, the tubular heat exchanger with longitudinal flow of the shellside fluid ( thelfsf ) has many remarkable advantages
其主要作用是完成工藝過程的熱量交換和余熱利用，其性能的優劣對工業過程的投資、能耗及安全經濟運行等起著重要作用。縱流殼程換熱設備作為新一代節能降耗設備，具有優良的防流體誘導振動性能、傳熱性能好、流體流動阻力小、抗結垢能力強、使用壽命長、重量輕、節約材料等顯著優點。
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