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["¿Es confiable el intercambiador de calor plista de la destiladora catalítica - placa de intercambio de calor?", "Ayuda: El flujo es gas gas y vapor de la cimapresa de destilación catalítica → intercambiador de calor pl pérdida de agua) → → aire frío ... ¿El intercambiador de calor placa es fácil de usar? ¿Es es fácil de limpiar? ¿La presión caa es alta?", "Antes, en la unidad de reforma y alcalinización, me di cuenta de que los intercambiadores de calor placa son eficaces" "La baja pres es una de las características de los intercambiadores de calor placa.", "No hay problemas técnicos básicos, el principal es que la operaciónación de la destiladora debe controlarse para evitar la sobrecarga" "y reducir la cantidad de gas de gas y vapor quecon catalizador" que se llevan a la cama de destilación de la camala de gas y vapor.sistema, en la operación "de la cañer "de la laedimento" sees más delicado." "Los intercambiadores de calor placa son adecuados para medios limpios "pero temen la obstrstración "pero tienen un buen eficicencia térmica." "[La unidad de destilación de de " "ton de " "ton de " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " "a " kuk

2017-04-13View Original

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求助:流程是催化分馏塔顶油气→板式换热器(产热水)→空冷……,板式换热器好用吗?好不好清洗、压降高吗?
Reply #22017-04-13
我以前在重整歧化装置时,接触过板式换热器,效果不错,压降小是板式换热器的特点之一.
Reply #32017-04-15
本身技术上没有什么问题,主要是分馏塔操作要控制不要冲塔,减少反应油气催化剂携带到分馏塔顶油气系统,沉降器跑剂时操作更要小心。
Reply #42017-04-16
板式换热器适合清洁的介质,怕堵,但是换热效果好点。
Reply #52017-06-26
分馏塔顶油气-热水板式换热器四川石化投用快3年了。热水应为闭式循环,一次处理好后水质比较干净,水侧结构可能性较小;看油气侧洁净程度了。100万吨的催化装置塔顶油气-热水大概只需要一台全焊板换,管壳式一般5台并联;油气侧压降可控制在10kPa以内

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