Chemical cleaning for Bauer Ring packing in the extraction tower of furfural unit on oil refinery 炼油厂糠醛装置抽提塔鲍尔环化学清洗
In this article a new type of glass packing case was introduced, which can reduce unit cost for wood packing case and enhance financial returns. 通过改变玻璃包装木箱设计,降低单位包装木箱消耗,提高经济效益。
Crate machine for packing bottles or cans into crates unit water medicinal bottle packer 瓶子或罐子装箱机器单元式药水瓶包装机
The trough type liquid distributor is the main part of packing tower for large scale refined unit. 槽式液体分配器是大型炼油装置中填料塔中重要组成部分。
Reforming design of BI cigarette packing unit based on PLC and field bus technique 基于PLC与现场总线技术的B1卷烟包装机组主机改造设计
Case study for the use of regular packing and new inner parts in carbon dioxide removal unit and cuprammonia unit, as well as related effectiveness and economical efficiency, are introduced. 介绍用新型塔内件和规整填料改造脱碳塔和铜洗塔的技术方案论证、应用效果和经济效益。
It refers to the net weight without packing weight, the unit is kg. 指不带包装的总净重,用千克表示。
A sales packing is a packing, which is offered as sale unit and with thefinal consumer results. 销售包装指是销售单位提供的,最终消费者使用的一种包装。
By selecting new types of domestic packing with reasonable allocation and optimizing both liquid distributor and packing support bracing design, capacity of the unit has been increased; Both the solvent ratio and the energy consumption were reduced, while significant economic benefit were gained. 经选用国产新型填料进行合理布局、优化液体分布器和填料支承板设计后,提高了装置处理量,降低了溶剂比和能耗,经济效益明显。
At present, all the operations from the control of surface quality, internal quality, packing mark to the rolling defect disposal of special steel products manufactured by domestic steel producers, are done by a single unit. There is no integrated production line. 目前国内特殊钢制品表面质量、内材质量以及包装标志的控制、轧制缺陷的处理一般都是单机操作,没有完整的生产流水线。
In view of the widespread present situation of the three compound heavy packing mem-branes application, developed the plastic co-extrusion blow heavy packing compound membrane unit. 针对三复合重包装膜应用日益广泛的现状,开发了塑料共挤出吹塑重包装复合膜机组。
Study effect of variation in packing height on numbers of transfer unit for cross cooling tower 横流塔填料高度变化对冷却数影响的研究
The effects of three kinds of precipitants, i.e. salt, organic precipitant and PEG on the molecular packing are analyzed with 12 different crystal forms of T4 lysozyme and bovine pancreatic ribonuclease, where there is only one protein molecule in an asymmetric unit. 以不对称单位只有一个分子的牛胰核糖核酸酶和T4溶菌酶晶体为材料,着重研究了无机盐、有机溶剂和PEG三类不同的沉淀剂对晶体分子堆积的影响。
The molecular packing was analyzed with 10 different crystal forms of T4 lysozyme, where there is only one protein molecule in an asymmetric unit. 以不对称单位中只有一个分子的10种不同晶型的T4溶菌酶晶体为材料,对晶体中的分子堆积进行了研究。
The Development and Application of Underground Roadway Waste Packing Unit 井下巷道矸石充填设备的研制与应用
Application of automatic packing unit in production of compound fertilizer 自动包装系统在复混肥生产中的应用
Based on introduction to automatic packing unit controlled by PLC in compound fertilizer production, the principle, advantages and reliability are expounded. 介绍PLC控制下的自动包装系统在复混肥生产中的应用,分析其工作原理,阐明其运行的可靠性及优越性。
In this paper we introduce a new design of the mechatronic integrated "envelop style strip packing machine". We particularly explain the principles of its mechanical configuration, pneumatic system, control unit and control flow. 介绍了全新机电一体化信封式条状包装机的开发设计,详细阐述了所设计包装机的机械系统结构原理、气动系统原理和控制系统原理及控制程序流程。
In the design of parallel huffman encoder, we improved the control logic of the packing unit to avoid the error coursed by data missing. 在设计并行huffman编码方案时通过改善Huffman编码器中变长码流向定长码流转换时的控制逻辑,避免了因数据处理不及时造成数据丢失的可能性,从而保证了编码的正确性。
By researching and analyzing, we founded that the reason of the packing quality problem which appeared in the CH cellophane packer of the GD-X2 packer unit was according to the design bug of the machine configuration or the parts. 本文通过研究和分析,发现GD-X2机组中的CH透明纸包装机出现的一些包装质量问题,其产生的原因是机器的某些结构或部件存在设计缺陷。
A new system for correct positioning of packing film was introduced, the deviation of film position was detected by a detecting unit, computed by a control unit, then corrected via a stepping motor. 介绍了一种包装薄膜正确定位的新装置。该装置由检测单元对包装薄膜的位置偏差进行检测,由控制单元对位置偏差进行运算,再由步进电机纠正薄膜位置偏差。
CFD Simulation of Mixing Behavior of Liquid Phase Flow in Structured Packing Unit 规整填料特征单元内混合过程的计算流体力学
Through regressing experimental data, the correlative expressions of the axial backmixing parameter Pe and the pressure drop of packing layer Δ p/ Z and the height of mass transfer unit H OG were obtained. 通过对实验数据的回归分析得出了轴向返混参数、填料层压降及传质单元高度的关联式。
Through the measures of adopting structured packing in gasoline and LCO section and using segmental downcomer to revamp the structure of ADV tray, production bottleneck has been eliminated and the fractionator capacity increased. Many problems existing in the unit before revamping have been resolved. 通过将主分馏塔汽柴油段更换为规整填料,采用弓型降液管改造ADV塔盘的结构形式等措施,消除了生产瓶颈,提高了塔的处理能力,使改造前的诸多问题得到了解决。
By correlating the experimental data, equations for calculating the pressure drop, packing factor, flooding gas velocity and gas phase overall height of a transfer unit were obtained. The calculated results were in conformity with the experimental data, which maximum deviation was 17%. 通过试验数据处理,得到了计算该填料层压降、填料因子、液泛气速和气相总传质单元高度的关联式,这些关联式的计算结果与实测结果吻合较好,其中最大偏差为(±17%)。
The four-unit model includes conformational entropy into residue and packing effect for the unit, and makes a good compromise between computation consumption and spatial resolution. 四单元模型在计算时间和模型分辨率之间做了比较恰当的折衷,在残基内部引入了构象熵和亚单元的堆积效应。
After improving the overall process, the problems are mainly concentrated in the production and distribution process and packing, for the unit of production and distribution process lack of theoretical basis, this paper sets up a coordinated production distribution model of the packing process. 在总体流程改进后,该单位的问题主要集中在生产配送和装箱的过程中,针对该单位生产配送过程缺少理论依据的问题,本文建立了一个考虑装箱过程的生产配送协同模型。
High efficency packing and proper tower internals were adopted in the design of the rectifying unit. 设计了异丁醇分离物系精馏装置,采用高效填料和合理的塔内构件。