Construction Technology of Sand Foundation Reinforcement with Sleeve Valve Pipe Double Liquid Grouting of Guangzhou New TV Tower 广州新电视塔袖阀管双液注浆砂层地基加固技术
CTST high efficiency trays was used to revamp float valve type urea desorption tower under the condition of remaining the shape and size of the tower. 在不改变设备外形尺寸的前提下,应用CTST高效塔盘技术对浮阀型尿素解吸塔进行改造。
Study on Thermal Variable Amplitude Fatigue for Nozzle Weld of Block Coke Valve of Coke Tower Caused by Thrust Forces and Moments of Pipe End 管端推力(矩)引起的焦炭塔堵焦阀接管焊缝的变幅值热疲劳研究
Analysis of rectangular float valve tray cracking in atmospheric distillation tower 常压塔条阀塔盘开裂分析
The Reason Analysis and Measures of the Safety Valve Jumping up in the Stabilizer Tower 稳定塔安全阀起跳原因分析及对策
According to the problems which exist in an adsorptive stabilization system of catalytic cracking units, a series of modifications were made by using new technologies and processes like the JF composite float valve tower plank and double feeding process. 针对催化裂化装置吸收稳定系统存在的问题采用JF复合浮阀塔板、双股进料流程等新技术、新工艺对其进行一系列技术改造。
Reason analysis on inlet valve failure for vacuum tower bottom pump 减压塔底泵入口阀失效原因分析
F a 8098 microcomputer to control the valve drived by motor in the NH3 synthetic tower are discussed, and main interface circuits are given, the control equipment has been used in a live system. 文中讨论了运用8098单片机控制氨合成塔电动阀门的原理和实现方法.给出了主要的接口电路,该控制装置已在实际系统中使用。
Application of the HTV boat-shape floating valve tray in the north distillation tower and fractionator of delayed coker of Jingmen General Petrochemical Works were introduced with emphasis on process calculation, operation, unit evaluation and equipment maintenance. 介绍了HTV船型浮阀塔板在荆门石油化工总厂北蒸馏装置常压塔及延迟焦化装置分馏塔上的应用情况。
The design and simulation of valve tower 浮阀塔的设计及模拟计算
Owing to the particular capacity distribution between the 'gas and liquid phases in the recovery tower, floating valve trays should be displaced with tower packings; 因气液相负荷分布特殊,回收塔可采用填料塔代替浮阀塔;
Development of the Computer-aided Course Design of the Alcohol Float Valve Rectifying Tower 浮阀板酒精精馏塔课程设计计算机软件的开发
Microcomputer Controlling of Valve Drived by Motor in NH_3 Synthetic Tower 氨合成塔电动阀门的微机控制
The optimum design of float valve tower using computer 浮阀塔的计算机优化设计
In revamping, the diameter of tower tray, the tower height and the number of tower trays were fixed, while the F_1 floating valve trays were replaced by ADV differential tower tray, the throughput of each fractionation tower was increased by over 40%. 改造中在塔径、塔高、塔盘数不变即塔体利旧的情况下,用ADV微分浮阀塔盘替换原F1型浮阀塔盘,使各个分馏塔的生产能力提高40%以上;
Application of Quick Disconnection Valve to Reflex Pump of Propene Tower of Fractionation Plant 快速切断阀在气体分馏装置丙烯塔回流泵上的应用
As an example, an index method is applied to analyze a float valve tower to determine the variation range of some uncertain parameters. 以浮阀塔板为例,说明如何采用顶点法求解化工装置弹性系数,进行弹性分析,确定不确定参数真实可行的变化范围,比较不同设计的弹性大小;
Failure analysis of the fastening bolt of the valve on the gas tower 储气塔阀门紧固螺栓的断裂分析
The demethanizer for the 300,000 MT/ Y ethylene plant of Qian Jin Chemical Works is converted from a valve tray tower to a packed tower using IMTP. 前进化工厂30万吨乙烯装置中的脱甲烷塔,原来是浮阀塔,改造成Intalox金属填料塔后,塔的压降从浮阀塔的0.42公斤/厘米~2。
Through analysis to caustic scribing tower, the difference of structural design of floating valve tower for atmospheric and pressurized conditions is clearly described. 通过对碱洗塔分析,指出常、加压浮阀塔结构设计的不同。
Thirdly, the three-phase valve tower radiation model is built by using the verified method mentioned above, and its field intensity produced around is obtained. 随后利用前述已验证的方法,建立了三相换流阀塔的辐射模型,得出了其在周围空间产生的场强。
At last the built of valve tower time-varying topology antenna array model is researched fatherly, and the computing result is demonstrated. 最后进一步研究了换流阀塔时变拓扑天线阵模型的建立,并给出了计算结果。