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This paper covers the developing history of liquid ammonia finish, the characteristics of liquid ammonia, as well as the difference between the liquid ammonia treatment and alkali mercerization. 简要回顾液氨整理的发展历程,分析了液氨的特性和液氨处理与碱液丝光的差别。
It also supplies liquid oxygen, liquid nitrogen, acetylene, carbon dioxide, hydrogen, propane, freon,liquid ammonia,and rare element gas. 还兼营液氧、液氮、液氩、乙炔气、二氧化碳、氢气、丙烷气、氟里昂、液氨及其他高纯和稀有气体。
The transfer medium in this pipeline is liquid ammonia (process air, soft water, alkali liquor, acidic gas). 这条管线的输送介质为液氨(工艺空气、软水、碱液、酸性气体)。
A protective gas generation system is adopted with dissociation of liquid ammonia to get hydrogen and air separation to get nitrogen. 采用保护气体生产系统,用液氨分解制氢,用空分系统制氮。
Such as water, liquid ammonia, naphtha and liquefied petroleum gas, such as the ideal medium measurement equipment. 如水、液氨、轻油、液化气等介质测量的理想设备。
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。
The selectivity of allylamine was remarkably improved when the reaction was carried out in ethanol instead of liquid ammonia, and the catalysis of CuCl was better than KI. 乙醇的引入可大大提高烯丙基伯胺的选择性,并且氯化亚铜的催化效果明显比碘化钾的催化效果好。
Status: Green or black powder, insoluble in acids and ammonia, soluble in hot perchloric acid and vitriol, insoluble in water and liquid ammonia. 性状：灰黑色或绿色粉末，溶于酸和氨水，溶于热的过氯酸和热硫酸，不溶于水和液氨。
Among industrial damage was the collapse of two chemical plants, spilling 80 tonnes of liquid ammonia, according to Xinhua news agency. 据新华社报道，地震对工业造成的破坏包括两家化工厂坍塌，导致80吨液氨泄漏。
We use liquid ammonia instead of ammonia solution to the synthesis of acidamide by acyl chloride, and developed purifying method of acidamide. 对酰氯生成酰胺的反应，利用液氨气化后气体导入代替氨水，并对酰胺的纯化进行实验，找到了合理的纯化方法。
Calcium ammine catalyst was prepared with metal calcium,dehydrated liquid ammonia as raw materials,nano-silica as a carrier and acetonitrile and propylene epoxide as modifiers. 采用金属钙、脱水液氨、载体纳米二氧化硅及改性剂乙腈与环氧丙烷制备出氨钙体系催化剂。
The liquid ammonia with oil can produced biuret scale on the urea system in chemical fertilizer plant.The efficiency of heat exchanger and producing capacity of urea were reduced. 化肥厂原料液氨带油进入尿素系统,尿素设备的换热段高温部位产生一定量的缩二脲垢,导致换热效率和产品产量下降。
This article analyzes the influence of liquid ammonia entraining oil on the stripping efficiency of carbon dioxide stripper,and gives corresponding process solutions. 针对液氨带油对二氧化碳汽提效率的影响进行分析,提出相应的工艺处理方案。
The new technics of producing p-tolunitrile by using p-tolunic acid,p-tolunitrile solvent and liquid ammonia through two dehydrating steps were researched. 本文研究了对甲基苯甲酸在对甲基苯甲腈溶剂作用下;与液氨反应;两步脱水成腈的新工艺;收率达94.;05%25;且产品纯度好;反应全过程安全、清洁、环保。
Liquid ammonia is transferred from tank lorry to the ammonia storage tank by unloading compressor. Ammonia in the storage tank is transferred to the vaporizer by self pressure. 液氨通过卸料压缩机从槽车输送到储氨罐中。液氨由储罐中靠本身的压力输送到蒸发槽中。
This paper covers the liquid ammonia treatment, resin finish, sanding, softening and coating processes and equipments, practical applications are listed as examples. 阐述液氨整理、合成树脂整理、磨毛整理、柔软整理和涂层整理的工艺条件,并介绍应用参考实例。
The principle of liquid ammonia finish and moist crosslinking DP finish, the reasonable arrangement of process and the key facts to be noticed are analyzed. 分析了液氨整理和潮交联整理的机理、工艺路线的安排,以及生产过程中应注意的要点。
Jianfeng Chemical Ammonia Plant is designed with capability output 1000t liquid ammonia per day, adopted American energy-saved type Braun technology and the primary reformer is the ladle and stag type one supplied by French Fostee Wheeler Co. . 建峰化肥厂合成氨装置设计能力为日产1000吨液氨，采用节能型美国布朗工艺，一段炉为法国FOSTEE WHEELER公司提供的梯台型炉。
In the design of ammonia - methanol united plant, ammonia bicarbonate, liquid ammonia and methanol are the final products.How to edit a gas balance table in time-is one of the first step. 在氨醇联合生产中,其最终产品为碳酸氢铵、商品液氨及精甲醇等,如何及时和准确地编制出全厂工艺气体平衡表是指导工程设计和生产实践的重要环节。