1) Coking
[英][kəuk] [美][kok]
生焦
1.
A FCC anticoking additive was compounded with organic lanthanon heteropolyacid salt, free group inhibitor, phenol polymerization inhibitor,anionic surfactant and organic hydrocarbon.
结果表明,该抗焦剂具有较好的提高催化裂化催化剂活性的能力和优良的抑制催化剂生焦的效果,可降低生焦量0。
2.
With the same conversion, different processings gave the different rates of coking as a following order from large to small:thermal cracking,thermal cracking with H donor,hydrocracking with high hydrogen pressure,hydrocracking with low hydrogen pressure an.
实验结果表明 ,辽河减压渣油改质中生焦量和渣油转化率的关系与具体的加工过程有关。
3.
As corrosion and coking mechanism is caused by furfural in lube oil refining facilities,it is worthwhile to introduce organic amine as inhibitor in the technological process,to destroy azeotropic mixture of furfural,furoic acid and water,and hence prevent the returning of furoic acid from recovery tower into facility system.
阐明了润滑油精制装置中的糠醛腐蚀及生焦机理。
2) coke formation
生焦
1.
Blending oils with diverse aromaticities and aromatic distributions can change the phase separation behaviors,e g onset points and morphology of the second liquid phases to different extent and therefore alter the coke formation characteristics of the thermal reaction systems of vacuum residua.
向渣油体系中掺兑具有不同芳香度和芳香性分布的液相掺兑物，能够不同程度地改变渣油热反应体系中第二液相的相分离特性（如相分离点的出现时间，相分离体的形态），从而改变渣油热反应体系的生焦特性。
2.
The results indicated that hydrogen donor and solvent had suppressing action to both cracked and condensed reaction, enhanced the maximum conversion before coke formation,delayed induction period of coke formation.
采用微型反应釜研究了胜利减压渣油、渣油－溶剂（渣油－１－甲基萘）、渣油－供氢剂（渣油－四氢萘）三种体系的热裂化特性，结果表明，供氢剂和溶济对裂化、缩合反应都有抑制作用，延迟生焦诱导期，提高结焦前最大裂化转化率，其中供氢剂对缩合反应的抑制作用大于溶剂作用。
3) coke
[英][kəʊk] [美][kok]
生焦
1.
Effect of fine carbonous particle additives on coke formation of residue oil thermal reaction;
碳质颗粒添加物对渣油热反应生焦的影响
2.
In order to prevent coke formation on the interior surface of furnace tube of delayed-coking process and improve the product distribution, some ethylene tar or distillates with high content of aromatics were taken as additives or co-coking feeds of delayed coking vacuum residue.
本论文首先对减压渣油和乙烯焦油混合原料的性质进行了分析,研究了掺入乙烯焦油后,减压渣油性质的变化规律,为此类混合油料的相关性质预测提供有价值的参考;结合焦化实验、生焦趋势分析以及胶体稳定性研究,考察了掺入不同比例乙烯焦油后减压渣油体系产物分布变化规律、生焦趋势以及热反应过程中的胶体稳定性;实验还讨论了减压渣油体系生焦诱导期变化与掺兑油品种类、比例之间的相互联系,以及胶体稳定性与生焦趋势之间的关系,探讨了将乙烯焦油及其馏分油作为延迟焦化原料的可行性,为乙烯焦油及其馏分油的焦化应用提供了参考。
4) coke-formation
生焦
1.
The study focused mainly on the result of coke-formation.
本论文以辽河常渣(LHAR)为原料,以水溶性CAT-1为渣油悬浮床加氢裂化反应催化剂,以非离子型、阴离子型、阳离子型表面活性剂的单体或复配物作为助剂,在高压釜中考察了助剂的不同复配方式与复配比例对LHAR悬浮床加氢反应的影响,尤其是反应过程中的生焦状况。
2.
The results showed that the SAN/SAP compound additive(SA) with m(SAP)/m(SAN)=1 had best performance on resisting coke-formation.
以辽河常渣(LHAR)为原料,水溶性催化剂Cat1作为悬浮床加氢裂化主催化剂,表面活性剂SAN和SAP以不同质量比(m(SAP)/m(SAN))复配作为助剂进行釜式反应,考察了助剂在渣油中的质量分数为600μg/g时,m(SAP)/m(SAN)对反应产物分布和生焦率的影响。
5) Raw needle coke
针状焦生焦
6) coking cycle
生焦周期
1.
The operation of the delayed coker in SINOPEC Guangzhou Company at a coking cycle of 20 hours in 2005 is described.
介绍了中国石油化工股份有限公司广州分公司延迟焦化装置2005年进行的20 h生焦周期试生产情况,阐述了生焦周期的改变对延迟焦化装置的影响以及需要解决的问题。
2.
The preparations for shortening the coking cycle from 24 hours to 20 hours in a 26700 b/d,de- layed coking unit in SINOPEC Qilu Company and problems as well as corresponding measures in implementa- tion are described.
40Mt/a延迟焦化装置由24h生焦周期运行改为20h生焦周期运行的准备工作、实施后出现的问题及采取的相应措施,并提出了进一步改进的建议。
3.
For this reason,technicians considered shortening the coking cycle of the unit to 20 hours from 24 hours without modifying the existing processes and equipment.
2左右,处理量可增加10%～12%,但受焦炭塔安全空高限制,循环比不能进一步降低,故考虑在装置流程和现有设备不作改动的情况下,将24h生焦周期缩短至20h。
补充资料：生理焦虑
生理焦虑
physiological anxiety
生理焦虑(P hysiologieal anxiety)焦虑时由于交感神经亢奋和肌肉紧张所引起的症状和体征。症状多样。胃肠症状包括口干、吞咽困难、上腹部不适、腹泻、便秘;呼吸症状为胸闷、呼吸困难或换气过度;心血管症状为心悸、心前区不适或疼痛、颈部搏动感;中枢神经症状包括耳鸣、眼花、眩晕、针刺感:泌尿生殖系统症状有尿频、阳痪、性欲减退、女性经期不适、月经紊乱。肌肉紧张可导致头痛、肩背部疼痛或僵直感、双手颤抖。其他症状还有颜面苍白、多汗、失眠、早醒、梦魔等。往往同时伴有心理焦虑如紧张、恐惧、预感不祥和担忧。多见于焦虑症、恐怖症、其他神经症和抑郁症。 (赵亚志撰刘协和审)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条