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    板換與螺旋纏繞管式換熱器相同和不同之處

    小易為你介紹一下板換與螺旋纏繞管式換熱器相同和不同之處

    相同之處:換熱效率高,冷凝效果好,適用于化工、石油、醫藥、食品、熱電力、造紙、印刷等行業。
     
    不同之處:1)對介質的要求:板換不適用于流速高、粘度大的工況,易結垢,清洗不方便,螺旋管式換熱器對工況沒有要求,節省了維修費用;
                    2)高溫情況下:板換由于密封墊的緣故,不耐高溫,即使在承受的范圍內,也需要不定期更換密封墊,這樣后期的維護費用就高了,螺旋管式換熱器因內部獨特的雙螺紋纏繞形式,耐高溫耐高壓,無需后期維護;
                    3)換熱領域:板換只適用于液液領域,因不耐高壓,不適用氣液領域;而螺旋管式適用于氣液、液液領域。
                    4)體積:在相同換熱效率時、板換的體積是螺旋管式換熱器的3倍.
                    5)溫度差:板換從-10℃ —80℃ ;螺旋板式換熱器可以從-30℃—400℃;
                    6)壽命:板換一般1-6年的使用,最高也就6年;螺旋管式換熱器的設計壽命為40年,在正常使用條件下,如有任何問題,8年內免費維修,一般壽命可達20年以上,節省了后期維護費用。
      英文:

    Xiaoyi will introduce the similarities and differences between plate exchange and spiral wound tube heat exchanger for you.


    Similarities: High heat transfer efficiency, good condensation effect, suitable for chemical industry, petroleum, medicine, food, thermal power, paper making, printing and other industries.


    The differences are as follows: 1) Requirements for medium: plate replacement is not suitable for high flow rate and high viscosity conditions, easy to scale, inconvenient cleaning, spiral tube heat exchanger has no requirements for working conditions, saving maintenance costs;

    2) Under high temperature conditions: plate replacement is not resistant to high temperature because of the sealing gasket. Even in the range of bearing, it is necessary to change the sealing gasket periodically, so that the later maintenance cost is high. Because of the unique twin-thread winding form inside, the spiral tube heat exchanger is resistant to high temperature and high pressure, and does not need later maintenance.

    3) Heat transfer field: plate replacement is only suitable for liquid-liquid field, because it can not withstand high pressure, it is not suitable for gas-liquid field; while spiral tube type is suitable for gas-liquid and liquid-liquid field.

    4) Volume: At the same heat transfer efficiency, the volume of plate exchange is three times that of spiral tube heat exchanger.

    5) Temperature difference: plate replacement from - 10 C to 80 C; spiral plate heat exchanger from - 30 C to 400 C;

    6) Life: plate replacement is generally used for 1-6 years, the maximum is 6 years; the design life of spiral tube heat exchanger is 40 years. Under normal conditions, if there are any problems, free maintenance within 8 years, the general life can reach more than 20 years, saving later maintenance costs.

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