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  • 蒸发器是工作的步骤
  • 本站编辑:杭州宏力制冷配件厂发布日期:2019-10-23 17:21 浏览次数:

蒸发器主要是由加热室和蒸发室两个部分组成的。加热室主要是负责向液体提供蒸发的热量,来促使液体沸腾汽化。蒸发室主要是负责让气体和液体两项完全分离出来。蒸发器是制冷四大件中很重要的一个部件,低温的冷凝液体通过蒸发器,与外界的空气进行热交换,气化吸热,达到制冷的效果。
蒸发器的主要工作步骤:
1.液体冷媒通过送料口进入,同时加热蒸汽对加热室内部的加热管束进行加热,加热室内中间的较粗的管子由于受热面积不如加热管束面积大,故加热管束汽化的冷媒上升进入蒸发室。
2.而中央循环管的液体冷媒下降,继续进行循环。(中央循环管的横截面积约为加热管束总横截面积的40%-100%左右,这也直接影响到了蒸发器的效率) 蒸发器在新风换热机组、风机盘管中的应用主要是在制冷过程中提供冷水,在制热过程中提供加热后的冷媒。
3.它在地源热泵系统中的应用于冷凝器相反,在地源热泵机组进行供热过程中,蒸发器属于地源侧设备,对地源侧的循环水进行加热,再通过机组换热,将热水传至冷凝器,由冷凝器将热水中的热量排放出去。
4.在机组进行制冷过程中,蒸发器属于末端设备,由地源侧的冷凝器对地源侧水进行冷凝,并供给蒸发器对外吸热,从而达到对外界制冷的效果

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The evaporator is mainly composed of heating chamber and evaporation chamber. The heating chamber is mainly responsible for providing the evaporation heat to the liquid to make the liquid boil and vaporize. The evaporation chamber is mainly responsible for the complete separation of gas and liquid. Evaporator is one of the four important parts of refrigeration. The low-temperature condensed liquid exchanges heat with the outside air through the evaporator, vaporizes and absorbs heat to achieve the refrigeration effect.            Main working steps of evaporator:            1. The liquid refrigerant enters through the feeding port, and the heating steam heats the heating tube bundle inside the heating chamber. Because the heating area of the coarser tube in the middle of the heating chamber is not as large as that of the heating tube bundle, the vaporized refrigerant of the heating tube bundle rises into the evaporation chamber.            2. The liquid refrigerant in the central circulation pipe drops and continues to circulate. (the cross-sectional area of the central circulation pipe is about 40% - 100% of the total cross-sectional area of the heating tube bundle, which also directly affects the efficiency of the evaporator). The application of the evaporator in the fresh air heat exchange unit and fan coil is mainly to provide cold water in the refrigeration process and the heated refrigerant in the heating process.            3. Its application in the ground source heat pump system is opposite to that in the condenser. In the heating process of the ground source heat pump unit, the evaporator belongs to the equipment on the ground source side, which heats the circulating water on the ground source side, and then transfers the hot water to the condenser through the heat exchange of the unit, which discharges the heat in the hot water.            4. In the refrigeration process of the unit, the evaporator belongs to the terminal equipment. The condenser at the ground source side condenses the water at the ground source side and supplies the evaporator with external heat absorption, so as to achieve the effect of external refrigeration.

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