Analysis of Typical Troubles of Intelligent Valve Locator in Urea Unit 尿素装置智能阀门定位器典型故障分析
Dynamic analysis and optimizing operation of urea unit under circulating evaporation Evaluation of the microcirculation and its clinical applications in diabetes mellitus 尿素装置蒸发打循环的动态分析及操作优化微循环功能的检测方法及其在糖尿病中的应用
The Application of Poisonous Medium Leakage and Diffusion Model on Safety Evaluation of Urea Unit 有毒介质泄漏扩散模型在尿素装置安全评价中的应用
The system is used in the ammonia synthesis section and the urea unit at Guizhou Chishui Natural Gas Chemical Group Co., Ltd with good results. 该系统在贵州赤天化集团有限责任公司合成、尿素装置中应用,效果良好。
Analysis and calibration of complex control system in urea unit 尿素装置复杂控制系统简析与仪表调试
Development of Special Chemical Cleaning Agent for Stripper of Urea Unit 尿素汽提塔专用化学清洗剂的研制
A Study on Cleaner Production/ Process Optimization& Control for De-Adsorption Column at Urea Unit 尿素解吸塔清洁生产/工艺优化及控制研究
Design and synthesis of chiral diphenic acid-based molecular tweezers containing unsymmetrically disubstituted urea unit 手性不对称脲联苯二甲酸分子钳的设计合成一系列二茂铁二取代物的合成和表征
Outlines the automatic instrument of urea unit and its test run and summarizes the technical revamping during the test run. Years of production practice proves that the revamping is effective, and provide the conditions for smooth commissioning and stable operation of the unit. 介绍尿素装置自动化仪表的概况及试运行情况,总结了试运行过程中进行的技术改造,经过几年的生产实践,证明这些改造是富有成效的,为装置顺利开车及稳定运行创造了条件。
The reformation scheme of big granule urea unit is briefly introduced and summarization is made for executing effect of the technical reformation. 介绍了大颗粒尿素装置改造方案,对技术改造的实施效果进行了总结。
Control measures for decreasing urea unit consumption of cyanamide process 三聚氰胺工艺降低尿素单耗的调控对策
Presents feasible controlling measures for decreasing urea unit consumption of gas quenching process for cyanamide production, in order to decrease production cost, perfect process design, optimize process operation and stabilize production. 对气相淬冷法三聚氰胺工艺降低尿素单耗提出可行性的调控对策,以期降低生产成本,完善工艺设计,优化工艺操作,稳定装置生产。
General appraisal is also made for the instrument system of the urea unit. 对尿素装置仪表系统作了总体评价。
A presentation is given on the use for the first time of the horizontal multi-stage high-pressure centrifugal ammonia pump and dry-gas seals for pumps in the large urea unit based on the ammonia stripping process. 介绍卧式多级离心式高压氨泵及泵用干气密封首次应用于大化肥氨气提法尿素装置的情况。
Corrosion and protection of high pressure equipment in strip urea unit 汽提法尿素装置高压设备的腐蚀与防护
Use of CENTUM XL DCS in a Large Ammonia Plant for Synthesis and its Urea Unit CENTUM-XL集散控制系统在大型氨厂合成、尿素装置中的应用
The existing problems and treating measures in the desorption system for NH 3 air-lift urea unit and low pressure system are discussed. 介绍赤天化NH3汽提尿素装置解吸系统与低压系统存在的问题及处理措施。
Presents the multi stage medium speed centrifugal HP ammonia pumps in the Snam urea unit of Inner Mongolia Chemical Fertilizer Plant. 介绍内蒙古化肥厂Snam尿素装置采用的多级中速离心式高压氨泵。
Influence of external water admission on urea unit 外来加水对尿素系统的影响
The retrofit is given of the prilling basket, second stage evaporation separator and control valve for pressure in the hydrolysis system in a urea unit based on the ammonia stripping process. 介绍氨气提法尿素装置的造粒喷头、二段蒸发水离器及分解系统压力控制阀的改造情况。
Summary of Experience of Urea Unit Test Run for Baoji Nitrogen Fertilizer Plant 宝鸡氮肥厂尿素装置试车经验总结
Analysis of Causes for Rupture of Explosion Proof Plate in High-Pressure Scrubber of Urea Unit and Measures for its Solution 尿素装置高压洗涤器防爆板爆破原因分析及解决措施
Feasibility Study of Real-Time Measuring Technology for Liquid Phase Concentration in Urea Unit 尿素装置液相浓度实时测量技术的可行性研究
Recovering carbon dioxide from methanol plant and using it as feedstock of urea unit 甲醇装置二氧化碳回收做尿素原料
Use of Low-Pressure Start-Up in Urea Unit by CO_2-Stripping Process 低压开车法在CO2气提法尿素装置的应用
Application of U 3 steel in urea unit U3钢在尿素生产中的应用
First of all, failure analysis which includes failure mode and reason is carried on the compressors and pumps in the urea unit. 首先对尿素装置机泵设备进行失效分析,深入分析了CO2压缩机和泵的失效形式及失效原因。
The visual risk analysis software is designed, which is a constituent part of the risk analysis system of urea unit. 编制了可视化的风险分析软件,该软件是尿素装置风险分析系统的重要组成部分。