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Keywords urea plant;revamp;summary; 尿素装置;改造;总结;
Keywords urea plant;CO2 stripping process;pool type condensator; 尿素装置;二氧化碳汽提法;池式冷凝器;
Keywords urea plant;evaporation Primary and Secondary separators;biuret;fouling;acoustics anti-fouling technology;technical revam; 尿素;蒸发分离器;缩二脲;结垢;声学防垢技术;
This article introduces the quality control during urea plant contruction,which can ensure long service life. 介绍了尿素装置工程建设阶级工程质量特点和各阶段的质量控制。
The urea plant was revamped to a large extent,and the actual operation effect was appraised after revamping. 对装置进行了较大规模的技术改造,评价了装置改造后的实际运行效果。
This paper describes modification design for louvers of prilling tower of urea plant with a capacity of 520000t/a. 介绍年产52万t尿素装置造粒塔的百叶窗改造设计情况，改进后的百叶窗使用情况良好，尿素颗粒的外观质量有明显提高。
This article briefly introduces the damage of check valve at the oulet of the HP liquid ammonia pump in the urea plant, and put forward the solution. 简要介绍了尿素装置高压液氨泵出口止回阀的损坏情况,并提出了解决办法。
This paper briefly introduces the damage of check valve of the HP liquid ammonia pump in the urea plant, and put forward the solution. 介绍了尿素装置高压液氨泵出口止回阀的损坏情况,并提出了解决办法。
Analyzes the design defects of ammonia condenser in SNAM ammonia stripping process urea plant and provides the improvement methods. 剖析斯那姆氨汽提法尿素生产装置中氨冷凝器的设计缺陷,提出改进措施。
The author thinks that the application of thermodynamic hydrolysis processin treating the effluent from desorber of urea plant is feasible. 认为选用热力水解法处理尿素解吸废水是可行的。
This article presents the leakage,reasons,repairing methods and protection of urea reactor lining in Jianfeng Ammonia Urea Plant. 介绍尿素合成塔衬里泄漏情况、原因分析、修理方法及对策。
The urea plant was revamped with ACES21 process to expand capacity and save energy in the second chemical fertilizer plant of Chuanhua Co. 川化股份有限公司第二化肥厂采用ACES21工艺对尿素装置进行了增产节能技术改造。
Briefly presents the operation and overhaul of ammonia stripper of urea plant over the years, especially sums up the turnover of the stripper during its overhaul in2004. 简要介绍尿素装置汽提塔历年来运行及检修情况,特别针对2004年汽提塔调头检修的情况作了总结。
Briefly presents the operation and overhaul of ammonia stripper of urea plant over the years, especially sums up the turnover of the stripper during its overhaul in 2004. 简要介绍尿素装置汽提塔历年来运行及检修情况,特别针对2004年汽提塔调头检修的情况作了总结。
The selection of the control schema for CO2 compressor which fits to 130 kt/a urea plant is introduced. A list of control points is given for this purpose. 介绍与年产13万吨尿素相配套的往复式CO_2压缩机控制方案的选择,并以控制点一览表形式给出了整套控制方案。
Keywords urea;low load production;biuret;control; 尿素;低负荷生产;缩二脲;控制;
This paper introduced the reformation of ammonia recovery system and influence on the environment in urea plant ,the process is the energy-saving and easy to operation. 介绍新尿素装置中压氨系统停车排放过程中氨回收的改造及所取得的效果,对环境的影响,达到操作优化、节能降耗的目的。
Keywords urea hydrolytic method;whisker;CaCO3; 尿素水解法;晶须;碳酸钙;
Keywords urea diacetyl monoxime analysis inquiry; 尿素;二乙酰单肟;分析;探讨;
Keywords Urea;production;pelleting cooler; 尿素;产品;冷却系统;