洗涤段

结果表明：各组分两相纯度梯度在萃取段和洗涤段存在极值点。

The results show that there are purity gradient maxima in both extraction and scrubbing section for each component in both aqueous and organic phases .

以分馏萃取分离相同数量相同质量产品，萃取段、洗涤段所用萃取槽总体积最小为优化目标，推导出了优化萃取比新方程。

For the purpose of optimizing the counter current extraction process some new equations have been derived for calculating the optimized extraction factors to search the minmum total volume of mixer settler extractor or scrubbing section at the same production capacity and product quality .

分析了问题的原因，指出老厂压入式空调不应盲目改造成吸入式，要保证洗涤段的足够长度，建议喷淋排管与挡水板距离不小于1.8m。

Analyses the cause and suggests that the transform is conditioned by some important factors including the sufficient length of the air washer section , adequate distance between the spraying pipe and the eliminator .

结果表明，当萃取段的理论级数为2，洗涤段的理论级数为4时，CLAs的纯度高达97.2%，回收率为62.5%，实验值与理论值一致。

The experimental results showed that the purity and recovery of CLAs were 97.2 % and 62.5 % when extraction section and washing section were with a number of theoretical stages of two and four , respectively , which were in accordance with the results of theoretical calculation .

洗涤段&制约全网孔润滑油型减压塔正常操作的关键

Wasting Stage-Key Determining the Normal Operation of All-Sieved Lube Type Vacuum Tower

乙醇质量分数、液比和洗涤段数也有一定影响，而洗涤时间对降低卡伯值的作用不明显。

The ratio of liquid-to-feedstock , ethanol concentration and washing stages have less important effect .

新型液体分布器已应用到温度高、液量小、物系脏、易结焦的原油减压蒸馏塔洗涤段的改造中。

The new liquid distributor has been already applied in revamping of the washing zone in crude vacuum distillation tower with high temperature , small flowrate , dirt and easy-coking material .

考察了络合反应温度、反应时间、尿液组成、尿油比以及洗涤段数和洗油比对液蜡收率、液蜡质量和脱蜡油凝点的影响。

The effects of reaction temperature , reaction time , composition of urea solution , ratio of urea to diesel , washing stage number and ratio of solvent to paraffin on the yield and quality of liquid paraffin and the condensation point of the dewaxed diesel were discussed .

环缝洗涤塔下段备用排水系统的改进

Reconstruction of Lower Standby Drainage System in Ring Seam Scrubbing Tower

本文对合成革用纤维素粉的制备和应用，进行了研究。以木材溶解浆为原料，采用疏解备料缓和水解抽滤洗涤低温干燥两段造粉工艺路线，进行了生产性试验。

Preparation of cellulose powder from dissolving wood pulp and application of its products in synthetic leather production were studied .

麦草乙醇浆最佳洗涤条件为：乙醇质量分数70%，液比1∶30，每段洗涤时间30min，洗涤温度145℃，洗涤段数3。

The optimal washing condition is as follows : washing temperature 145 ℃, ethanol concentration 70 % , liquid-to-feedstock ratio 1 ∶ 30 , washing stages 3 and washing time 30 min.

对麦草乙醇浆快速热置换洗涤工艺进行了研究，探讨了洗涤温度、乙醇质量分数、液比、洗涤段数、洗涤时间对纸浆卡伯值及得率的影响。

The rapid heat replacement washing process for ethanol wheat straw pulp washing was studied in the lab , the effects of washing temperature , ethanol concentration , ratio of liquid-to-feedstock , washing stages and washing time on kappa number and screened yield of the pulp were investigated .