| 类型 | 标题 | 发布人 | 发表时间 |
 | 深冷装置全流程自适应自动化系统的设计与实现 <正>1立项背景莱钢12000m3/h深冷装置已经运行十余年,控制系统进入故障高发期。主要原因:原控制系统、控制技术都已落后,大多硬件在市场上已经淘汰;全英文文本操作的监控面板不易掌握,参数无归档 | www_xyj | 2011/11/5 |
| 复叠式深冷机组 <正>温州亚光天宜科技有限公司是专业制造低温制冷机组的厂商。该公司生产的深冷机可广泛用于制药、化工行业的低温合成反应。其特点:(1)采用独特设计,大幅提高了复叠式机组中低温机组的低温回油效率,无需采用庞大的回油装置或外置加热装置,系统性能运行上万小时不衰减,同比其他产品节能5%以上。 | www_xyj | 2011/11/5 |
| 深冷状态下纳米镝铁氧体磁粒子磁性能的研究 The Dy3+-doped Fe3O4 magnetic nanoparticles were prepared by wet chemical method,and lauric acid was used to modify the surface of magnetic nanoparticles.The magnetic properties in room temperature and cryogenic temperature(200.2~56.5 K) were investigated.According to XRD analysis,the crystal struct | www_xyj | 2011/11/5 |
| 合成三氯氢硅深冷过程的计算及影响因素 The cryogenic material quantities before and after compression in synthetic system of trichlorosilane were calculated by using SRK and PR equation respectively,the calculating results were compared with the actual test result,which showed that they coincide with each other and the SRK and PR equatio | www_xyj | 2011/11/5 |
| 焦炉煤气生产液化天然气联产甲醇深冷液化分离部分项目签约 <正>2010年8月12日,哈尔滨深冷气体液化设备有限公司在其制造基地辽宁省开原市举行了与陕西龙门煤化工有限责任公司460×104m3/d焦炉煤气生产液化天然气(LNG)联产甲醇项目深冷液化分离部分项目的签约仪式。辽宁省开原市、陕西省韩城市有关领导及双方代表出席了签约仪式。 | www_xyj | 2011/11/5 |
| 高速钢刀具的深冷与QPQ的复合处理 Cryogenic treatment can improve matrix strength of high speed steel cutting tool while QPQ treatment can increase its wear resistance.If high speed steel cutting tool is firstly QPQ treated and then cryo-treated,its service life will be appreciably prolonged. | www_xyj | 2011/11/5 |
| 便携式斯特林深冷冰箱研制 A cryogenic refrigerator using stirling cooler as cold source has been developed.Its effective cubage is 6L and internal temperature ranges from-60℃ to-160℃.The miniature stirling cooler,uses helium as refrigerant,is driven by a linear motor integrated with compressor.The cold-finger is installed at | www_xyj | 2011/11/5 |
| 环氧氯丙烷装置中馏出物深冷器泄漏失效原因分析 某氯碱厂馏出物深冷器在使用过程中,管板与换热管焊接接头腐蚀,设备泄漏失效。对馏出物深冷器失效问题进行调查分析,找出该设备泄漏失效的原因主要是TA2对于物料中含有的腐蚀介质没有良好的耐腐蚀性能,引起焊接接头腐蚀,并就此提出四点建议。 | www_xyj | 2011/11/5 |
| 贫溶剂深冷器制造 主要从材料检验、制造工艺、产品组装、水压试验等方面介绍了2万t/年顺酐装置贫溶剂深冷器的制造。阐述了贫溶剂深冷器的制造工艺及其要点。 | www_xyj | 2011/11/5 |
| 欢迎订阅2009年《深冷技术》 | www_xyj | 2011/11/5 |
| 《深冷技术》征稿启事 | www_xyj | 2011/11/5 |
| 《深冷技术》世纪光盘出版 | www_xyj | 2011/11/5 |
| 乙烯深冷分离工艺中LNG冷能的利用 In the conventional ethylene cryogenic separation process,the compression refrigeration system consumes a lot of cryogenic energy.In order to solve this problem,the cryogenic energy of liquefied natural gas(LNG) is applied to ethylene cryogenic separation process to reduce the compression refrigerat | www_xyj | 2011/11/5 |
| 欢迎订阅2009年《深冷技术》 | www_xyj | 2011/11/5 |
| 《深冷技术》征稿启事 | www_xyj | 2011/11/5 |
| 《深冷技术》世纪光盘出版 | www_xyj | 2011/11/5 |
| 乙烯装置深冷系统模拟与优化 This article analyzes the great ethylene loss in Ethylene Plant at Yangzi Petrochemical Co.,Ltd.,which was caused by the low efficiency of Binary Refrigeration System,insufficient cold energy supply for cryogenic separation system and some unreason-able operation set — points.Process flow of the cry | www_xyj | 2011/11/5 |
| 深冷空分系统的过程模拟、优化及分析 Regarding to the special oxygen demand of the oxy-combustion technology,a conceptual cryogenic air separation system was simulated using ASPEN PLUS.And a design optimization was conducted to the distillation column.Three parameters were chosen to optimize the column: feed stage,total number of stage | www_xyj | 2011/11/5 |
| 深冷净化工艺计算机模拟分析 The engineering software of ASPEN PLUS was applied here to simulate the cryogenic purification process extracted from the C.F.Braun Ammonia Plant Technology.Investigations include the purification capacities for excess-nitrogen,methane and argon,and influences of different-component syn-gas to the f | www_xyj | 2011/11/5 |
| 《深冷技术》世纪光盘出版 | www_xyj | 2011/11/5 |
| 氮氧化物在深冷分离过程中的危险性分析 This article introduces the source of nitrogen oxides in cracked gas,which was produced in light olefins plant based on catalytic cracking technology and steam cracking technology,and its potential explosion risk in cryogenic separation process.And a brief introduction to the prevention and treatmen | www_xyj | 2011/11/5 |
| 《深冷技术》世纪光盘出版 <正>《深冷技术》(1975年以前又名《深冷简报》)世纪光盘是一部集成化全文电子期刊,分A、B两个盘(A盘为1961—1980年;B盘为1981—2001年),它全文收集了自1961年7月创刊至2001年全部期刊共208期及副刊,包括空分方面的综述、设计制造、安装运转、挖潜改进、故障 | www_xyj | 2011/11/5 |
| 低温阀门深冷试验装置的设计 According to engineering cases,a fairly complete design proposal of subzero valve cryogenic testing equipment was provided,and it was discusses the device structure,parameter detection,cryogenic treatment mechanism,subzero test methods and so on. | www_xyj | 2011/11/5 |
| FD/SJ系列深冷机组 <正>在制药原料药及中间体尤其是抗生素合成生产过程中,一些反应需在-40℃～-75℃的低温条件下进行。传统的冰盐水供冷系统供冷温度难以达到要求。目前,国外厂家多采用深冷机组进行降温,国内厂家多以液氮作为冷源,将液氮直接通入反应液或通过内盘管汽化吸热降温。由于使用液氮降温存在工艺温度不易控制、液氮冷量损失大、降温成本高、生产难以上规模及受供应和储存条件的限制等缺点,一些厂家也开始 | www_xyj | 2011/11/5 |
| 真空绝热深冷设备性能试验方法标准修订综述 The revisions of GB/T 18443—2001 Testing Method of Cryo-insulation Pressure Vessels are presented. The background and development can be found out from this paper. | www_xyj | 2011/11/5 |
| 《深冷技术》世纪光盘出版 | www_xyj | 2011/11/5 |
| 《深冷技术》世纪光盘出版 | www_xyj | 2011/11/5 |
| 大型深冷金枪鱼延绳钓典型渔具性能的初步研究 Longline fishing is the main method in the tuna fishery in China.In order to increase the catch rate of tuna,the gear structure and fishing performance,the hooks setting depths and the yield efficiency of a tuna longline were studied,based on the practical fishing operation investigation of a typica | www_xyj | 2011/11/5 |
| 新型弹性管束螺纹缠绕换热器特点及在深冷系统应用 从一种新型弹性管束螺纹缠绕换热器入手,从结构上论述弹性管束可有效补偿热应力破坏及螺旋缠绕湍流换热节能高效性能,认为其已成为制药行业深冷系统的新工艺、新设备。 | www_xyj | 2011/11/5 |
| 复叠式深冷机组故障案例 美国约克(YORK)公司生产的复叠式深冷机组故障案例分析。如:油气分离器油位下降过快、制冷量大幅下降。 | www_xyj | 2011/11/5 |
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