脱沥青

Zhongyuan vacuum residue and catalytic cracking decant oil propane deasphalting was carried out at the pilot continuous solvent deasphalting equipment.

以中原某炼油厂减压渣油和催化油浆为原料，结合溶剂脱沥青工艺的特点，以丙烷为溶剂对掺兑油浆后的减压渣油进行丙烷脱沥青研究。

The experimental results showed that the product distribution and selectivity of the deasphalted oil from vacuum residuum was better than that from gasoline while the deasphalted oil from FCC slurry oil was worse than gasoline.

研究发现，减压渣油和掺兑催化油浆的减压渣油的丙烷脱沥青油具有较好的产物分布和选择性；而催化油浆的脱沥青油的裂化性能较差。

Several deasphalted oil samples were obtained from vacuum residuum and FCC slurry oil deasphalted at continuous propane deasaphalting pilot equipment.

研究发现，减压渣油和掺兑催化油浆的减压渣油的丙烷脱沥青油具有较好的产物分布和选择性；而催化油浆的脱沥青油的裂化性能较差。

The influence of top temperature of the extraction tower and that of resin tower, solvent rates were studied, and the optimized process conditions were obtained. The correlation between DAO yield and its quality was established. Furthermore, the preliminary explorement was made about the solvent deasphalting process when blending with FCC slurry.

在自行设计的6塔溶剂脱沥青装置上，本文对DHVR混合C〓溶剂脱沥青过程进行了系统的研究，对抽提塔、沉降塔塔顶温度和溶剂比的影响进行了考察，优化了工艺操作条件，建立了预测DAO收率与其质量之间的关系式。

It is of importance in dealing with paraffin asphalts to use the method of solvent de-asphalt and demetals.

本文认为对于石蜡基沥青，渣油溶剂脱沥青脱金属是沥青改质的重要手段之一。

The hard asphalts after SDADM may be modified by using allocation.

经过溶剂脱沥青后的沥青进行调和改质。

The article introduces research and application situation of solvent deasphalting-deoiling asphalt gasification-deasphalting oil FCC group technology.

介绍了渣油溶剂脱沥青-脱油沥青气化-脱沥青油催化裂化组合工艺的研究及应用情况。

SINOPEC luoyang company has developed the combined process of solvent deasphalting and slurry topping, adopting DOA, the by-product from the unit of solvent deasphalting, and the heavy composition of the products from the unit of reducing press distilling catalytic cracked slurry vacuum distillation, to produce heavy-duty road asphalt with high value-added and high performance by blending.

溶剂脱沥青工艺是一种重要的渣油深加工手段，脱油沥青的合理利用成为溶剂脱沥青工艺发展的关键，洛阳分公司开发出&溶剂脱沥青－油浆拔头&组合工艺，利用溶剂脱沥青装置中的副产品脱油硬沥青和催化裂化油浆减压蒸馏装置的产品中的重组分，运用调合法生产重交道路沥青，可获得高附加值和高性能的沥青产品。

SINOPEC luoyang company has developed the combined process of solvent deasphalting and slurry topping ,adopting DOA,the by-product from the unit of solvent deasphalting,and the heavy composition of the products from the unit of reducing press distilling catalytic cracked slurry vacuum distillation,to produce heavy-duty road asphalt wi.

溶剂脱沥青工艺是一种重要的渣油深加工手段，脱油沥青的合理利用成为溶剂脱沥青工艺发展的关键，洛阳分公司开发出&溶剂脱沥青-油浆拔头&组合工艺，利用溶剂脱沥青装置中的副产品脱油硬沥青和催化裂化油浆减压蒸馏装置的产品中的重组分，运用调合法生产重交道路沥青，可获得高附加值和高性能的沥青产品。

It was anti-oxidant and stable that the purpose removed the lubricating oil ideal component of Central Africa, improved oil, improve glueing the warm performance and colour of oil, reduce acid value and incomplete charcoal value.

从蒸馏来的减压二，三，四线和丙烷脱沥青来的残渣油料，首先经过酚精炼，然后经脱蜡，补充精制，调合生产成品润油油。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐