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System for the improvement of reactors for the synthesis of methanol and reactors obtained therefrom
System for the improvement of reactors for the synthesis of methanol and reactors obtained therefrom
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机译:用于改进用于合成甲醇的反应器的系统和由此获得的反应器
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摘要
With the system for the improvement in situ of conventional reactors for the synthesis of methanol the catalytic mass (CT) is divided into several beds in series, each bed having a bottom (FO) and a conical diaphragm (BAF) spaced from the free surface (SS) of the next catalytic bed in such a way as to create a space (SP) to the outer periphery of which the quench gas (Q) is fed so as to achieve in said space the optimum mixing with the partially reacted gas which has run axially through the upper catalytic bed, a tube (TU) is introduced below and central to the upper catalytic bed delimiting internally the catalytic mass of the lower beds from the upper bed; and the lower bed or beds with maximum pressure drop are transformed into a bed (s) with a substantially radial flow by introducing two cylindrical walls (Pe, Pi) coaxial with said tube substantially perforated and forming airspaces with the shell inner wall and with the tube outer wall respectively.
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