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二段萃取
相关语句
  two-stage extraction
     TWO-STAGE EXTRACTION TECHNOLOGY AND CALCULATION FOR LUBE-STOCK FURFURAL REFINING
     润滑油糠醛精制二段萃取工艺及计算
短句来源
     The new technology of two-stage extraction was adopted in technical revamping of lube-stock furfuralrefining unit in the refinery of Shanghai Gaoqiao Petrochendcal Company.
     上海高桥石化公司炼油厂润滑油糠醛精制装置的技术改造采取了二段萃取新工艺。
短句来源
     Undergoing internal driving disc,external driving disc,short distance ladder ring packing,QH-1 flat ring packing and two-stage extraction,the extractive efficiency are continuously improving in lube oil furfural refining unit in Shanghai Refinery.
     上海炼油厂润滑油糠醛精制装置萃取塔经历了从内驱动转盘、外驱动转盘、短矩阶梯环填料、QH 1扁环填料、二段萃取等阶段的发展 ,萃取塔效率不断提高。
短句来源
     It is difficult to improve the extractive efficiency of single column due to the column’s height. So,two-stage extraction of double column is effective way for improving the efficiency of extraction column.
     单塔萃取效率由于受塔高的限制 ,很难再有所提高 ,双塔二段萃取是进一步提高萃取塔效率的有效途径。
短句来源
     Now the development of the two-stage extraction technology,the use of the new packing technology,the design of inlet distributer are widely used inside and outside China. The application of the double solvents will replace other extracting solvents in the future because of little investment and good refining effect.
     目前,国内外糠醛精制萃取系统的二段萃取技术、新填料的开发应用、入口分布器的设计选型日趋成熟并得到广泛应用,而双溶剂技术因其投资少、效果显著,将是装置技术改造的发展趋势。
短句来源
  “二段萃取”译为未确定词的双语例句
     Improvement and Design of Extraction Equipment for Two Refining Stages of Lubricant and Furfural
     润滑油糠醛精制二段萃取装置的改造及设计
短句来源
  相似匹配句对
     二.
     .
短句来源
     Two.
     .
短句来源
     PROCESS PROCEDURE FOR THE BAKING OF SECONDARY REFORMER
     转化炉烘炉工艺过程
短句来源
     COMPREHENSIVE UTILIZATION OF TWO\|STAGE PURIFIED RESIDUE
     净化渣综合利用
短句来源
     TWO-STAGE EXTRACTION TECHNOLOGY AND CALCULATION FOR LUBE-STOCK FURFURAL REFINING
     润滑油糠醛精制萃取工艺及计算
短句来源
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  two-stage extraction
Two-stage extraction preconcentration and HPLC determination of phenol and 1-naphthol in aqueous solutions
      
All blocks with individual background intensity values in a document image are first extracted using a two-stage extraction procedure.
      
After two-stage extraction separation, chemical yield of 90Y in the final aqueous phase was roughly 80%, while 90Sr radionuclide impurity in this phase containing carrier-free 90Y was 10-6%.
      
A two-stage extraction process for regenerating zinc from wash water in the manufacture of viscose fibres has been worked out on a pilot set-up.
      
Determination of Solute-Polymer Interaction Properties via Two-Stage Extraction
      
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The new technology of two-stage extraction was adopted in technical revamping of lube-stock furfuralrefining unit in the refinery of Shanghai Gaoqiao Petrochendcal Company. Before revamping, detailed calculations,including material balance, liquid flooding velocity in extractor, blowing out velocity in liquid distributor andextractor pressure drop were separately catried out for the two-stage extraction. The product quality has beenupgraded and the processing capacity increased by one percentage point since...

The new technology of two-stage extraction was adopted in technical revamping of lube-stock furfuralrefining unit in the refinery of Shanghai Gaoqiao Petrochendcal Company. Before revamping, detailed calculations,including material balance, liquid flooding velocity in extractor, blowing out velocity in liquid distributor andextractor pressure drop were separately catried out for the two-stage extraction. The product quality has beenupgraded and the processing capacity increased by one percentage point since startup.

上海高桥石化公司炼油厂润滑油糠醛精制装置的技术改造采取了二段萃取新工艺。改造前分别对二段萃取的物料平衡、萃取塔的液泛速度、液体分布器的喷出速度以及萃取塔压力降等进行了详细计算。投产一年来,产品质量提高,加工能力增加1个百分点,取得了显著的经济效益。

The new extraction process of two stages for lubricant and furfural refining was analyzed in this paper. On the basis of design calculation, the equilibrium of the contents in two stages extraction, the velocity of the liquid in the extraction column, the spray velocity of the content from the distributor and pressure loss of the column were discussed also in the paper.

本文对润滑油糠醛精制采用二段萃取新工艺进行分析,从设计计算角度出发,分别对二段萃取的物料平衡、萃取塔的液泛速度、液体分布器的喷出速度以及萃取塔压力降等方面进行讨论。

Undergoing internal driving disc,external driving disc,short distance ladder ring packing,QH-1 flat ring packing and two-stage extraction,the extractive efficiency are continuously improving in lube oil furfural refining unit in Shanghai Refinery. Through discussion of how to improve the extractive efficiency,pointed that whether the rotary disc is turning or not has no effect on extractive efficiency.It is trend of lube oil furfural refining extraction tower to replace rotary disc column by packed column along...

Undergoing internal driving disc,external driving disc,short distance ladder ring packing,QH-1 flat ring packing and two-stage extraction,the extractive efficiency are continuously improving in lube oil furfural refining unit in Shanghai Refinery. Through discussion of how to improve the extractive efficiency,pointed that whether the rotary disc is turning or not has no effect on extractive efficiency.It is trend of lube oil furfural refining extraction tower to replace rotary disc column by packed column along with the development of new type high effective packing material.It is difficult to improve the extractive efficiency of single column due to the column’s height.So,two-stage extraction of double column is effective way for improving the efficiency of extraction column.

上海炼油厂润滑油糠醛精制装置萃取塔经历了从内驱动转盘、外驱动转盘、短矩阶梯环填料、QH 1扁环填料、二段萃取等阶段的发展 ,萃取塔效率不断提高。通过对提高萃取塔效率技术措施的讨论 ,指出转盘萃取塔的转盘“转与不转”对萃取效率没有影响。随着新型高效填料的发展 ,填料塔取代转盘塔是润滑油糠醛精制萃取塔的发展趋向。单塔萃取效率由于受塔高的限制 ,很难再有所提高 ,双塔二段萃取是进一步提高萃取塔效率的有效途径。

 
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