急冷箱是加氢反应器的重要内件。
The chilled box is the important internal component of hydrogenated reactor.
本发明涉及乙烯急冷装置及压缩节能工艺;
The present invention relates to an ethylene quenching device and a compressing and energy-saving technique;
分析了急冷油雾滴蒸发过程中的热量传递规律;
The heat transfer law ofthe quench oil during its evaporation is also analyzed;
对乙烯装置第二急冷锅炉的管板进行了有限元分析。
Finite element analysis is adopted to calculate secondary quench exchanger tube sheet of ethylene plant.
急冷淬火获得的马氏体记忆效应略低且恢复温度较高。
Martensite obtained by rapid quenching has a slightly lower shape memory effect and a higher recovery temperature.
介绍丙烯腈装置急冷新工艺,并与其他装置进行对比分析。
Introduces new quenching process of acrylonitrile unit, and make comparison and analysis with other units.
结果表明轰击区表面瞬态骤熔急冷,形成了微晶或无序层;
The results showed that metal surface of bombardment region had been melted quickly, cooled and resolidified abruptly, finally became microcrystalline structure or disordered structure.
急冷油循环泵的机械密封频繁泄漏是困扰乙烯生产的老难题。
Frequent leakage of mechanical seal of quenching oil circulating pump was a hard problem in ethylene production.
总结了当前在急冷油粘度变化和减粘剂减粘原理方面的研究进展;
And the research progress of mechanisms of quench oil viscosity changing and mechanisms of anfifoulant were summaned.
所得的数据与急冷熔盐试样的化学分析法的结果有良好的一致性。
The data so obtained well agreed with the result of the chemical analysis of the quenched molten salt samples.
对国内现有丙烯腈装置急冷塔循环液喷淋器的分流流道进行了研究。
The flow manifold system of recycle sprinkler of quenching column in acrylonitrile unit was studied.
急冷器是立式的,以便急冷油注入后经直管自排,以达到良好的混合。
The fitting is vertical to allow for free draining with straight run after quench oil injection for good mixing.
其次计算了急冷过程中标准形状工件的热传递及温度变化的数学规律;
Then the heat conducting and temperature variation of the standard shape workpiece in the cooling process are calculated.
以国内某大型乙烯装置的急冷塔为例,对塔顶蒸汽出口进行了有限元分析。
By the use of taking the quench tower of domestic some large ethylene unit as an example, the finite element analysis on steam outlet pipe of tower top was conducted.
急冷技术日渐在催化裂化中得到广泛应用,国外技术的应用方式也多种多样。
Quenching technology has found extensive application in FCC units. The utilizing patterns of domestic technologies are diversifies.
通过对急冷油和急冷油系统结垢物组成的分析,探讨了急冷油粘度增长的原因。
According to the analysis of components of quench oil and it's fouling, the reasons of viscosity increasing are discussed.
钢化玻璃受一定的急冷温度时,其表面的压应力与张应力方向相反,相互抵消。
When tempered glass suffers rapid cooling of a certain extent, the internal tensile stress and compressive stress on the surface can offset due to opposite stress direction.
或称为密着性测试,方法有弯曲法,胶带法,急冷法,切割法,滚压法,刮磨法等。
Or the gender test called dense, methods have curve method, tape method, nasty cold method, cutting method, rolling method, blow grind method, etc.
提出了在室温急冷的条件下,45钢与20钢异种钢焊接的工艺措施,并取得成功。
With the detailed repairing scheme, a dissimilar steel welding technique about 45 steel and 20 steel under the condition of temperature and sharp cooling is brought forward and gets success.
针对北京东方石化公司东方化工厂乙烯装置急冷油塔汽油填料段堵塞的原因进行分析。
Reasons for the plugging in the packing section of primary fractionator in Dongfang chemical Works of Eastern Petrochemical Company are analyzed.
采用该方案制作的氢气退火炉由气源部分、井式高温炉、炉罐、缓冷炉和急冷槽组成。
The furnace unit is consisted of a hydrogen supply source, a high temperature pit furnace, a furnace pot, a slow-cooling furnace, and a quench tank.
如果磨损过多,必须更换。否则一旦漏水,就会造成炉衬的急冷,直接影响炉衬使用效果。
Change it if the attrition is too much, or once water leaks, it may lead to sudden cooling of the furnace lining, which may directly influence the using effects of the furnace lining.
目前国内乙烯装置急冷系统操作大部分不理想,尤其是急冷油系统的操作参数与设计值偏离很大。
The operation of quench systems in domestic ethylene plants are not very good until now, especially the operating parameters of quench oil system deviate from the design parameters.
与现有技术相比,本发明为了防止急冷油在较高的温度下粘度急剧上升,采用了阻聚与舒展相结合的方法。
Unlike available technology, the present invention adopts the method of combining polymerization inhibiting and extending to avoid the abrupt raising of viscosity of quenching oil.
在所研究的气体流量范围内,示踪剂浓度的平均相对偏差均较小,说明新型急冷混合器具有较好的混合效果。
The small average relative error of tracer concentration in the different range of researched gas flow capacity shows a better quenching effect of the new quench mixer.
在此基础上提出了分流流道的优化方案,从而改善了急冷塔内的操作状况,减少了丙烯腈在急冷塔内的损失。
The optimization of the flow manifold was provided to amend the operation of the quenching column and reduce the loss of acrylonitrile.
在所研究的气体流量范围内,示踪剂浓度的平均相对偏差均较小,说明新型急冷混合器具有较好的混合效果。
The small average relative error of tracer concentration in the different range of researched gas flow capacity shows a better quenching effect of the new quench …
针对大型乙烯装置汽油急冷生产特点和存在的问题,开发了大型乙烯装置汽油急冷高强度三溢流塔盘关键技术。
Aimed at the production characters and problems which exist in gasoline fractionator in large-scale ethylene units, high strength three-pass tray technology is exploited.
针对大型乙烯装置汽油急冷生产特点和存在的问题,开发了大型乙烯装置汽油急冷高强度三溢流塔盘关键技术。
Aimed at the production characters and problems which exist in gasoline fractionator in large-scale ethylene units, high strength three-pass tray technology is exploited.
应用推荐