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- The pyrolysis furnace tube ruptured on the welding seam along vertical lines was investigated. 对在焊缝处纵向开裂的裂解炉管进行了研究。
- The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied. 研究了乙烯裂解炉服役炉管材料内部的组织损伤程度与焊接性的关系。
- The paper makes and exploratory investigation on welding and heat treatment for duriment furnace tube of hydrofining furnace in hydrofining unit. 本文对加氢精制装置中加氢精制炉奥氏体不锈钢炉管的焊接及热处理进行了探讨。
- The whole geometric structures of combustor,combustion chamber and furnace tube in delayed coking furnace were accurately calculated by the whole-coupling method. 采用分区耦合的计算方法,实现了对工业焦化炉从燃烧器、炉膛、炉管整体几何结构的仿真,并且对焦化炉内流动、燃烧和传热全部工艺过程进行了模拟。
- The analysis showed that overside of parameter in furnace tube joint welding,and unsuitable choices of the welding material were the main reason of the joint failure. 分析结果表明,炉管接头焊接工艺参数过大,焊接材料选择不当,是引起炉管焊接接头失效的主要原因。
- Causes of coker furnace tube coking during the processing of Tahe atmospheric residue have been pointed out together with the countermeasures for the start-up process. 指出用延迟焦化装置加工塔河常压渣油时容易造成焦化炉炉管结焦的原因,提出了塔河常压渣油的开工过程中延缓结焦的措施。
- The problem of drawer oil furnace tube perforation in furfural refining unit is analyzed. An urgent need the measure and effective settlement scheme are proposed. 针对润滑油糠醛精制装置抽出液加热炉系统中出现的炉管穿孔问题进行分析,提出了切实可行的应急措施和有效的解决办法。
- Through compare and analysis the microstructure of HK40 and HP40,the effect of tissue and element on its properties were studied. All these will be helpful to develop new material of furnace tube. 通过对HK40和HP40裂解炉管微观组织的对比分析,研究了材料显微和微观组织变化及成分对其抗氧化性、抗蠕变性、高温强度等性能的影响,对开发和研制新的炉管材料有一定的借鉴作用。
- The heating furnace tube is monitored by using the infrared.The trouble of tube is identified and diagnosed by analyzing the infrared thermogram, the temperature distributing and overheat appearance. 摘要利用红外技术对加热炉炉管进行监测,通过红外热图分析温度分布及过热形态,对炉管的热故障进行识别、判断。
- In the long-term operation of atmospheric and vacuum heat furnace that use vacuum heavy oil as fuel,thesurface of nailhead furnace tube in the convection chamber was seriously deposited. 以减压渣油为燃料的常减压加热炉在长期生产运行过程中,对流室钉头炉管表面结垢严重。
- The plant supplies heat-resistant alloy furnace tubes, elbows, furnace rolls, radiant tubes, glasses transfer rolls, skid riders and so on. 我厂主要生产耐高温合金炉管、弯头、炉辊、辐射管、玻璃输送辊、垫块等产品。
- This eliminates the solids material from building up and eroding the furnace tubes where the lower furnace refractory ends. 这消除了固体对炉膛下部的耐火材料末端的炉壁管子的堵塞或腐蚀。
- In petrochemical industry,the ash accumulation and fouling of furnace tubes have a serious negative impact on furnace thermal efficiency. 石化行业加热炉炉管的积灰结垢会严重影响加热炉的热效率。
- By material and crystal analysis of the swollen and cracked pyrolysis furnace tubes,summarizes reasons for the failure of the tubes,and proposes preventive measures. 通过对其鼓包及开裂的裂解炉炉管进行材质和晶相组织分析,找出了炉管故障发生的原因,并提出了具体的预防措施。
- The paramagnetism of HP furnace tubes will transform into ferromagnetism after carburization.The degree of carburization can be determined according to the changes of magnetism. HP材料裂解炉管内层渗碳后,由顺磁性转变为铁磁性,测其磁性变化可确定其渗碳程度。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- The fire( furnace) has burnt itself out. 炉火因燃料烧尽而熄灭了。
- Keywords defect;furnace tube;finned tube;furnace; 缺陷;炉管;翅片管;加热炉;
- I must buy a tube of toothpaste. 我必须买一支牙膏。