This is a newly-developed urea process based on the author's summarization of basic theory and practical experience in urea production.
本文叙述的尿素生产方法,是作者总结了尿素基础理论和生产实践经验之后新开发的一种低能耗尿素生产工艺流程。
This technology has brought an outstanding result for the optimized operation and energy saving & consumption reduction of urea process.
该技术对尿素工艺的优化操作,节能降耗起到显著效果。
The process flow sheet, technological Characteristics and usage of UTI urea process are briefly introduced. Its superiority is described in this paper.
简单介绍了UTI工艺的流程、技术特点及应用情况,并指出它是一种较为先进的尿素生产工艺。
Introduce the main technical features and process flow of heat-cycle urea process. Also put forward some Suggestions for the expansion of heat-cycle urea plant.
该文介绍了热循环尿素工艺的主要技术特点及工艺流程,并就该工艺的特点对水溶液全循环法尿素生产装置的增产节能改造提出了参考意见。
It gives a brief introduction of dual-tower energy-saving urea process, and emphasizes the recovery and utilization measures of highpressure materials during long-term shutdown.
介绍了双塔节能尿素工艺装置长期停车方法,对双塔节能尿素工艺装置进行了简介,重点介绍了长停过程中高压物料的回收利用措施。
This paper presents the application of ammonia stripping urea process in Hainan Natural Gas Chemical Fertilizer Plant, problems during commissioning run and the improvement measures to be taken.
介绍氨汽提尿素工艺在海南化肥厂的应用,以及试生产过程中存在的问题及采取的改进措施。
The abamectin microcapsules were prepared by in-situ polymerization process in this work, with melamine-formaldehyde resin and urea-formaldehyde resin as wall materials respectively.
采用原位聚合法,分别使用脲醛树脂和蜜胺树脂两种囊壁材料对生物农药-阿维菌素进行了微胶囊包覆。
So water-retaining agents could mix urea and low concentration potassium in process of production, and we can study complex water-retaining agents which compose the nitrogen and potassium too.
因此,在生产过程中可以考虑保水剂与尿素和低浓度的钾肥混合施用,也可以进行赋氮肥、钾肥的复合型保水剂研究。
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ACES 21工艺对尿素装置进行了增产节能技术改造。
Whether the mixture of starch and urea is urea starch, the properties of mixture during cooking process were studied, and urea starch can be synthesized under reaction mechanism.
探讨淀粉加尿素的混合物是否就是尿素淀粉问题,研究了土豆淀粉与尿素机械混合物在煮浆过程中的反应性能,合成了尿素淀粉浆料。
This article introduces the chemical reaction mechanism of urea conversion into melamine. It also describes the optimum reaction conditions for low-pressure Catalytic melamine production process.
介绍了尿素转化成三聚氰胺的化学反应机理及三聚氰胺低压催化法工艺的最佳反应条件。
It briefs advanced urea technology and reviews main characteristic and technical progress of every process.
介绍了目前先进的尿素生产技术,评述了各工艺的主要特点与新技术进展。
The new urea formaldehyde resin for plywood was developed, by using a specifically designed, advanced synthesis process with two modifiers added in its final stage.
此种新开发的脲醛树脂,采用特定的先进合成工艺和加入两种改性剂研制而成。
This article discusses the principal for dust formation and the available measures for dust removal in urea prilling process.
论述尿素喷淋法造粒工艺中尿素粉尘形成的主要原因及如何减少粉尘弥散的可能途径。
The feature of ammonia stripping process is anal-ized based on current condition of urea production. Measures to treat typical problems in real production are put forward.
根据国内现有氨气提工艺尿素装置的生产状况,分析了该工艺的特点,提出了实际应用中典型问题的处理措施。
Summarize and analyze the main characteristics of ACES urea plant of Weihe Chemical Fertilizer plant in theory, so that this should be a reference for the choice of the process of urea plant.
介绍我国第一套aces尿素装置的主要特点,并从理论上进行分析,以供今后选择尿素装置的工艺路线作参考。
The activity of PALP was decreased both during the process and at the termianl stage of denaturation by urea.
PALP在脲变性过程中或变性终态时其活力均降低。
This paper described the synthesis process of Urea-formaldehyde resin adhesive.
介绍了无毒脲醛树脂胶的合成工艺。
Process routes and catalysts for the synthesis of dimethyl carbonate (DMC) from urea are reviewed.
综述了以尿素为原料合成碳酸二甲酯的工艺路线及其催化剂。
Existing problems in new erected urea plant are briefly discussed in the aspects of process, equipment, meters, environment protection and operation etc. Some modification idea is put forward.
从新建尿素装置的工艺、设备、仪表、环保及操作等问题入手,粗浅地讨论了出现的相关问题,并提出了探讨性的观点和措施。
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。
The valve rod (steel 35) is nitrided in the fluid soft nitriding process, the main material being made up of urea.
采用以尿素为主要原料的液体软氨化工艺,对阀杆(35钢)进行了氮化处理。
Through adds formaldehyde in the process of making urea grain, can efficiently increases the strength of urea and raises the particle size for urea.
在尿素中添加甲醛,能有效的增加成品尿素颗粒的强度,提高成品尿素粒度。
Adding amylum or oxidized amylum in the synthesis process of low toxic urea-formaldehyde resin can improve pre-press capability and bonding strength of plywood.
在低毒脲醛树脂胶粘剂合成过程中加入淀粉或氧化淀粉,能有效地改善胶合板板坯的预压性能和胶合板的胶接强度。
The present invention is an improvement of dewaxing process of isopropanol and urea.
本发明是对尿素异丙醇脱蜡过程的改进。
PF resin is modified by use of urea and resorcin to prepare a kind of mid-temperature water-soluble resin, which is suitable for "hot-hot process" in bamboo plywood production.
研制了一种适合“热进-热出”工艺的中温固化水溶性酚醛树脂,该酚醛树脂是在传统的水溶性酚醛树脂合成工艺的基础上,加入一定量的间苯二酚和尿素制成。
Reaction mechanism, technological process, and formulation of a cheap starch and urea-formaldehyde compound adhesive for saw-dust and shaving boards are mainly described in this paper.
本文着重介绍了锯末刨花板用价廉物美的淀粉脲醛复合粘合剂制作的反应机理、工艺流程及配方等。
Ningxia Chemical Works took effective measures in terms of process and equipment to improve the appearance and the granulation of urea product in summer.
介绍宁夏化工厂在夏季为改善尿素产品外观质量、提高尿素产品粒度,从设备、工艺等几个方面所采取的措施及收到的效果。
The formulation and production process of this coatings were given, and factors influencing the film properties, such as level of urea - formaldehyde resin and acid curing catalyst were discussed.
介绍了该涂料的配方和配制工艺。讨论了脲醛树脂用量和酸固化催化剂对涂膜性能的影响。
The formulation and production process of this coatings were given, and factors influencing the film properties, such as level of urea - formaldehyde resin and acid curing catalyst were discussed.
介绍了该涂料的配方和配制工艺。讨论了脲醛树脂用量和酸固化催化剂对涂膜性能的影响。
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