查询词典 fractionator

For the condensation system of gas from top outlet of fractionator, severe corrosion remains happen if the proportion of neutralizer and corrosion inhibitor is not well and the quantity of which is not sufficient.

抑制装置腐蚀的发生还要从腐蚀的机理出发，从各个对腐蚀有影响的环节入手，如电脱盐注水和加热炉注水的质量特别是盐含量，以及电脱盐的操作等。

The operation and control interaction analysis between main fractionator and stabilizer of FCCU is given.

stabilizer control ； system design ；分析了催化裂化装置稳定塔的先进控制问题，讨论了主分馏塔与稳定塔之间操作控制的关联性，基于状态反馈预测控制，根据装置的操作运行情况及关联性分析，使用现有的测点，对稳定塔建立了用于实时控制的简化状态空间数学模型，以在线计算稳定汽油饱和蒸汽压作为被控变量，设计了稳定塔先进控制系统。

The industrial application showed that the key process parameters, such as the regenerator dense phase temperature and the temperature under the first tray of the fractionator bottom, etc.

工业实践表明，应用此控制明显地改善了对再生催化剂温度、分馏塔底第一层板下温度等关键工艺参数的控制，提高了装置的转化率与轻油收率。

A fast simulation system for FCC main fractionator was developed by using the distillation data of oil product,experiential charts and correlations in petroleum refining industry.

基于油品的蒸馏数据，利用炼油工业中已积累的一整套经验图表和经验关联式，开发了一个快捷的催化裂化主分馏塔模拟系统。

The feasibility of recovering low-temperature heat in aromatic fractionator and debottlenecking unit operation through technical revamping is discussed.

通过深入分析后提出了对歧化、异构化和连续重整等芳烃装置进行类热高分改造方案，并对回收低温热的潜力进行科学评估。

Serious coking occured at the fractionator oil and gas inlet in FCC unit of the No.

中国石油天然气股份有限公司原长庆油田第一助剂厂催化裂化装置分馏塔反应油气入口结焦严重。

The proposed method has been evaluated by a nonlinear function example and applied to a practical case of modeling product quality of hydrocracking fractionator. The obtained results demonstrate the promise of this approach for improving nonlinear soft sensing modeling.

此算法通过一个复杂非线性函数的仿真建模和一个分馏塔柴油倾点软测量建模的工业实例研究，结果表明比其它算法具有更好的泛化结果和预报精度，具有良好的在线应用潜力。

Catalytic cracking ; fractionator ; naphtha ; end point ; computer application ; prediction

催化裂化；分馏塔；汽油；干点；计算机应用；预测

Based on the BP network, RBF network and PLS algorithm the model of soft sensor for the dry point of jet fuel in hydrocracking fractionator has been developed.

基于BP网络、RBF网络、PLS算法建立了加氢裂化分馏塔航空煤油干点软测量模型。

With regard to the practical problems of estimating product quality on-line in hydrocracking fractionator, the soft-sensing engineering implementation strategy, which combines several soft sensors by weights for product quality estimating, is proposed to improve robustness of on-line estimation.

运用此控制策略对Shell公司重油常压塔和Wood-Berry精馏塔进行了仿真研究，通过与直接针对实际对象的基于RNNARX模型的多变量约束预测控制策略的仿真结果相比较，显示了PLS-MPC控制策略的有效性。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。