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Carbon dioxide stripping urea plant with a natural-circulation synthesis loop and a method for retrofitting such plant
Carbon dioxide stripping urea plant with a natural-circulation synthesis loop and a method for retrofitting such plant
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机译:具有自然循环合成回路的二氧化碳汽提尿素装置及其改造方法
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摘要
A plant for synthesis of urea with a CO2-stripping process, comprising a natural-circulation synthesis loop, said loop including at least a urea reactor (1), a carbon dioxide stripper (2) and a condenser (3), said reactor, stripper and condenser operating substantially at the same elevated pressure, said loop comprising also a reactor effluent flow line (5), connecting said urea reactor to said stripper, which comprises means (15) for directly or indirectly detecting the flow rate and/or the direction of the flow through said reactor effluent flow line (5).
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