氧化皮
- 名oxide skin
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综合考虑机组效率及管壁温度对氧化皮生成速度的影响,通过安全和经济校核,得到了超(超)临界锅炉经济运行的高温受热面的温度控制线(B线)。
Considering the unit efficiency and wall temperature the influence on the oxide skin generating speed , through checking the security and economy , the temperature control line ( B line ) of high temperature heating surfaces of the ( ultra - ) supercritical boiler under economic operation is got .
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氧化皮脱落导致的过热器管爆管分析
Analysis of superheater 's tube-burst caused by falling-away of oxide skin
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试验结果表明,该系统清除氧化皮的效率达6~7m2/h,射流的能耗仅为6kWh。
The result shows that its efficiency reaches 6 ~ 7m 2 / h , energy consumption of jet stream is only 6kW · h.
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CSP热轧钢板氧化皮与表面粗糙度的研究
Investigation on Oxide Scale and Surface Roughness of Strip Steel Hot-rolled in CSP
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CSP流程薄板坯及热轧板卷氧化皮组织演变
Oxide Scale Microstructure Evolution of Thin Slab and Strip Coil Hot Rolled by CSP
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CSP板卷的氧化皮较传统热连轧的薄,其厚度对板厚也不太敏感。
The thickness of scale on CSP rolled coil is thinner and less sensitive to strip thickness .
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采用激光拉曼光谱并结合SEM和XRD等手段对高碳钢盘条表面氧化皮进行了研究,同时,对不同冷却条件下形成的氧化皮机械剥离性能进行了评价。
The three-layer structure of oxide scale formed on high carbon steel wire was confirmed by laser Raman spectroscopy ( LRS ), together with SEM and XRD .
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稀土对Fe-Cr-Al合金氧化皮形貌的影响
Effect of rare earth additions on the scale morphology of an Fe-Cr-Al alloy
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氧化皮-碳钢电偶体系中MoO4~(2-)的缓蚀机理
Behavior and Mechanism of MoO_4  ̄( 2 - ) Inhibitor in Scale / Carbon Steel Galvanic System
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老顶头鼻都二次氧化皮由粘钢层和FeO层组成,它对防止粘钢有利;
The secondary oxide layer consisted of stuck steel layer and FeO layer , being of benefit to prevent sticking weld ;
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结果表明:高温过热器管内氧化皮为Fe3O4或Fe2O3结构,并呈多孔疏松状;
Results show that the scales mainly consist of Fe_3O_4 or Fe_2O_3 in the form of porous loose structure ;
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研究了CSP热轧SPHC单张板和板卷的氧化皮厚度,并与传统热连轧产品进行了比较。
The scale thickness distribution on SPHC strip rolled by CSP process is investigated and compared with that by traditional hot rolling mill .
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借助磁力显微镜的抬高模式测量氧化皮的磁畴图,获得了氧化皮内Fe3O4的分布形态及冷却速率对其变化的影响.结果表明:快速冷却时氧化皮中Fe2O3的含量减少;
Ssbauer spectroscopy . The distribution of Fe_3O_4 in the oxide scale was obtained using Magnetic Force Microscope ( MFM ), through which the influence of the cooling rate on the distribution of Fe_3O_4 was stud - ied .
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研究发现,从CSP板卷宽度中心至边部氧化皮厚度逐渐增加,且中心到1/4宽处的增加趋势比1/4宽到边部的强;
The following results are obtained : the scale thickness increases from width center to edge of strip , however the increasing tendency from center to quarter is stronger than that from quarter to edge ;
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采用金相显微镜和背散射电子衍射(EBSD)技术,从氧化皮结构出发,对低碳钢热轧板氧化皮的结构与热轧板酸洗效果之间的关系进行了研究。
The effect of microstructure of oxide scales on pickling of hot rolled strips was investigated by optical microscopy ( OM ) and electron backscattered diffraction ( EBSD ) .
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硅钢氧化皮SXC-B酸洗促进剂的应用
Application of SXC-B Acid Pickling Accelerant for Descaling of Silicon Steel Sheet
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化学计量的FeO含量和Fe3O4的缺陷程度也随冷却速率的变化而变化.氧化皮的相组成和氧化皮内Fe3O4的分布形态是影响氧化皮性能的主要因素。
At the same time , the content of stoichiometric FeO and the defect concentration of Fe_3O_4 can also change with different cooling rates . The phase composition of the oxide scale and the distribution of Fe_3O_4 are the main factors that affect the properties of the oxide scale .
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结果表明,十二烷基硫酸钠、OP-10、含羧酸的有机添加剂、磷酸都有利于提高酸洗速度,最佳配方的氧化皮清除速度比盐酸酸洗提高了约4倍。
The result indicates that sodium dodecyl sulphate , OP-10 , additives , phosphoric acid all can promote the pickling rate . The iron scale removal rate using the optical formula is about four times higher than hydrochloric acid cleaning .
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结果表明,除乌洛托品外,十二烷基硫酸钠、草酸、OP-10、添加剂、磷酸均有利于酸洗速度的增加,且优化出的最佳配方的氧化皮清除速度约是盐酸酸洗的3倍。
Results demonstrate that sodium dodecyl sulfate , oxalic acid , OP-10 , additive , and phosphoric acid except urotropine are beneficial to the increase of scaling rate . The scaling rate based the optimal formula is about three times as high as that of hydrochloric acid pickling .
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焊接氧化皮对奥氏体不锈钢孔蚀性能的影响
Effects of welds scale on pitting resistance of austenitic stainless steels
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高碳钢氧化皮的形成及其机械剥离性能
Oxide scale formation on high-carbon steel and its mechanical descaling property
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氧化皮对气体渗碳的影响及解决办法
The Effect of Scale on Gas Carburization and Its Elimination
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基于氧化皮测量的过热器寿命诊断分析
The lifetime diagnosis of superheater based on oxide skin measurement
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你们该怎样除去这些氧化皮?
How can you get rid of this oxide coating ?
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超厚氧化皮铜及铜合金零件的表面处理
Surface treatments for copper and copper alloy parts with super-thick oxide films
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高频超声波在氧化皮中传播性能标定
Calibration of the propagation properties of high-frequency ultrasonic waves in steel scales
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对球墨铸铁热处理氧化皮的观察
An Observation on Oxide Film of Ductile Iron Formed during Heat Treatment
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随着振动频率的增加,界面处存在的氧化皮减少;
With frequency rising , the remained oxide film in interface decreases ;
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热轧带钢氧化皮结构及耐腐蚀性能研究
Research on Structure and Corrosion Resistance of Oxide Scale of Hot-strip Steel
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汽车制造用钢材采用化学酸洗去除氧化皮。
Oxide scale of steel used for automobile manufacture was removed with pickling .