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The process of liquefying a rich hydrocarbon stream into a closed circuit composed of three refrigerants. The refrigerant mixture in each circuit evaporates under pressure. The heat exchange between the rich hydrocarbon stream and the mixing precursor is carried out in two or more parallel exchangers.
The process of liquefying a rich hydrocarbon stream into a closed circuit composed of three refrigerants. The refrigerant mixture in each circuit evaporates under pressure. The heat exchange between the rich hydrocarbon stream and the mixing precursor is carried out in two or more parallel exchangers.
In this process, the flow is liquefied through three kinds of refrigerant circuits, one kind of pre delivery liquid circuit, two kinds of liquefied liquid circuits and three kinds of refrigerant mixture closed-circuit circuits of overheated circuits. The heat exchange of one circuit is carried out at the same time, and the refrigerant gas of one circuit and two circuits is compressed into a double flow compressor.
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