Additionally, adjusting the air flow to achieve a reasonable coke yield also increased the heat of cracking into a region also consistent with residual operation.
另外，调节空气流量以达到一个合理的焦碳收率，还能提高裂化热到与渣油操作相符的范围。
When need long time stop outdoor conditions, the vehicle should avoid direct exposure in the sun, to prevent the door seals, skylight on the edge of the deformation and cracking due to heat.
当遇到需要长时间停靠户外的情况时，车辆应尽量避免直接在阳光底下暴晒，以防止车门、天窗边上的密封圈因受热而发生变形和龟裂。
Creep damage is mainly caused by superheat. Because of superheat, creep cavities are formed inside microstructure, under heat stress condition, growth and join of cavities induce creep cracking.
高温蠕变损伤是由于过热引起的，过热使金相组织内部产生蠕变空洞，在热应力下空洞扩展连接而形成蠕变裂纹。
This invention disclosed systems and methods of producing heat in a fluid catalytic cracking unit.
本发明公开了一种在流化催化裂化单元中生成热量的系统和方法。
Technical measures for increasing heat efficiency and processing capacity of cracking furnace were introduced.
介绍了提高裂解炉热效率和加工能力所采取的技术措施。
The early cracking of concrete is usually caused by dry shrinkage, autogenous shrinkage of cement hydration and thermal-strain by hydration heat of cement.
混凝土的早期开裂主要是由于混凝土失水所产生的干燥收缩、水泥水化所产生的混凝土自收缩以及水泥水化热所产生的温度应变所引起。
The design of a waste heat boiler as well as methods concerning the ash deposit, abrasion and flue gas leakage for the petrochemistrys catalytic cracking process are introduced.
阐述了一台利用石化行业催化裂解装置废气的余热锅炉设计过程，重点介绍解决锅炉积灰、磨损和漏烟问题的方法。
By chemical composition analysis, SEM and other analytical methods, the cause of cracking of plate heat exchanger was investigated.
采用化学成分分析、电镜扫描等方法，对出现裂纹的换热器板片样品进行了逐项分析。
It has been introduced that cracking defect of female die cushion of forging machine has been analysed and its preventive heat treatment technology.
介绍了锻压机垫板的热处理工艺改进措施，从而防止了其开裂缺陷，提高了使用寿命。
Can not heat up too fast, too fast, the floor may be distorted due to the expansion of the phenomenon of cracking.
不能升温太快，太快的话，地板可能会因膨胀发生开裂扭曲现象。
The cracking causes of a U shaped tube heat exchanger were analysed in material compositions, microstructure, properties with the help of optional microscope and SEM.
借助光学和扫描电子显微镜，从材料成分、微观组织和性能角度，分析了U形管换热器开裂原因。
The types of those cracks are summarized as three kinds: plastic shrinkage cracking, dry shrinkage cracking and hydration heat cracking.
将引起混凝土裂缝的类型归纳为塑性收缩开裂 ，干燥收缩开裂 ，水化热开裂三种 ，并对其表象及成因进行了阐述。
Abrasion and corrosion of heating surface, superheater tube cracking and weld leakage are the main cause of waste heat boiler breakdown in sulphuric acid plant.
硫酸废热锅炉故障主要是由受热面管子的磨损、受热面的腐蚀、过热器爆管及焊缝漏水等引起的。
The defects of the traditional bridge deck pavement of poor heat stability, easy cracking and poor fatigue resistance and water resistance.
克服了传统桥面铺装后，热稳定性差，易开裂，抗疲劳、抗水性差等缺陷。
Latest studies on heat transfer enhancement of ethylene cracking furnaces in aspects of experiments and simulations were reviewed.
综述了国内外乙烯裂解炉管强化传热技术的最新研究状况。
This paper analyzes the welding performances of the pipeline steel X80 including softening of heat affected zone, its matching with base material and the possibility of welding cracking. It also de…
文章分析了高强度X80钢管道的热影响区的软化、焊缝金属与母材的匹配及产生焊接裂纹的可能性，介绍了管道环缝焊接工艺，还列举了国外X80钢管道的焊接工程实例。
The results show that the cracking of the pump body resulted from the interaction of phase transformation and heat stress, as well as the poor quality of metallurgy.
结果表明：泵体裂纹为相变应力和热应力以及材质冶金质量不高共同作用而产生。
The frequent cracking in U-tube heat exchanger caused by corrosion at Lanzhou Petrochemical Corporation were analyzed in terms of materials, running conditions, overhaul operation etc.
对哈氏合金U形管换热器频繁出现的腐蚀断裂问题，从材质、运行工况等方面进行了分析，采取了更换材质等防腐技术措施，收到了很好效果。
Several factors leading to quenching crack of dovetail cutters were analyzed. The heat treatment process was designed to prevent dovetail cutters from cracking.
分析了导致鸽尾铣刀产生淬火裂纹的因素，设计了能有效预防鸽尾铣刀淬裂的热处理工艺。
High manganese steel are widely used for its excellent abrasion resistance. However it is difficult to avoid defects of decarburization, grain growth, cracking and deformation during heat treatment.
高锰钢的优良耐磨性能使其有广泛的应用范围，但在热处理过程中却难以保证所要求的显微组织，并容易引起脱碳、晶粒长大、裂纹和变形。
Plate heat exchanger in the process of use, whether plate deformation, crack, perforation, aging, cracking is still the gasket attack, all need timely replacement.
板式换热器在运用过程中，无论是板片发作变形、裂纹、穿孔，仍是垫片发作老化、开裂，都需求及时替换。
The freezing point of heat conductive oil is relatively low and can be used in cold winter. Even if it is solidified, there is no expansion and no danger for cracking equipment.
导热油的凝固点较低，能够在寒冷的冬季使用，即使万一凝固，因为它凝固时不膨胀，所以没有冻裂设备的危险。
The cracking phenomena of heat insulating materials and its solving methods.
保温隔热材料的破裂现象及其解决途径。
We summarize the causes and countermeasures of massive concrete cracking, and propose that crack resistance of massive concrete can be effectively improved by low-heat Portland cement.
总结分析了大体积混凝土易产生裂缝的原因及应对措施，指出使用低热硅酸盐水泥可有效改善大体积混凝土的抗裂性能。
After operation of ethylene cracking furnace for many years, the furnace lining was effloresced seriously. The radiating heat loss of furnace wall was larger.
乙烯裂解炉经多年运行，炉衬粉化严重，炉壁散热损失较大，热效率下降。
Using good heat insulation material for the furnace wall of the radiation section can reduce the heat dissipation in the radiation section of the cracking furnace.
做好辐射段炉墙的隔热保温工作可减少裂解炉辐射段热损失。
The hollow interchange disk can be used to strengthen flows heat transfer under turbulent conditions such as improve working conditions of ethylene cracking furnace, also can be used for flow mixing.
该中空立交盘可用于强化湍流条件下流体传热如改善乙烯裂解炉工况，亦可用于流体混合。
Cracking resistance of ultra-low cabon Cu-bearing age-hardening steels was studied in this paper by computing, maximum hardness in weld heat-affected zone test and Y-groove cracking test.
采用理论计算、热影响区最高硬度试验和小铁研试验方法研究了超低碳含铜时效钢的抗裂性。
Heat produced by burning coke is used to continue the primary reaction as the hot catalyst is circulated back to the reactor and provides the heat of reaction for the cracking reaction.
燃烧的焦炭所产生的热量使主反应持续地进行，同时热的催化剂流通回到反应器并为之提供热量。
Heat produced by burning coke is used to continue the primary reaction as the hot catalyst is circulated back to the reactor and provides the heat of reaction for the cracking reaction.
燃烧的焦炭所产生的热量使主反应持续地进行，同时热的催化剂流通回到反应器并为之提供热量。
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