1) steam corrosion strikes
汽蚀冲刷
1.
The impeller of 32SA-19A circulation pump is vulnerable to steam corrosion strikes in operation,which is likely to lower pump output and directly compromise vacuum of generating unit, In the paper possible causes of steam corrosion strikes are analysed,some relevant countermeasures are proposed and test data of the improved pump are analysed as well.
32SA-19A型循环水泵在运行中,叶轮受汽蚀冲刷的现象非常严重,往往使泵的出力降低,直接影响了机组的真空。
2) erosion corrosion
冲刷腐蚀
1.
The results showed that uniform corrosion,pitting,erosion corrosion and their interaction are the main causes of the failure of the PTA oxidation equipments in the environment containing acetic acid,Br~- and fluid steam and liquid.
结果表明,氧化设备发生的腐蚀失效是由于其在醋酸、Br-、流动的汽/液腐蚀环境下发生了均匀腐蚀、点蚀、冲刷腐蚀和汽蚀以及他们的交互作用所致。
2.
The heating tubes in the 1st section mainly suffer from corrosion of dissolved oxygen while those in the 2nd section suffer from erosion corrosion of high-temperature steam.
其中第一、二节热器管内主要为溶解氧腐蚀 ,而盘管内主要为高温蒸汽的冲刷腐蚀。
3) erosion-corrosion
冲刷腐蚀
1.
Study on Erosion-Corrosion Behavior of Stainless Steel in Acidic Liquid-Solid Two-phase Flow;
酸性液固两相流中不锈钢冲刷腐蚀行为的研究
2.
In Field Electrochemical Detection and Erosion-corrosion Investigation of Metallic Materials in Marine Environment;
海洋环境中金属材料现场电化学检测及冲刷腐蚀研究
3.
The influences of tungsten and carbon content on microstructure,hardness,impact toughness and erosion-corrosion resistance of these cast irons were investigated by metalloscope,image analyzer,X-ray diffraction,electron probe analyzer,mechanical properties test and low angle erosion-corrosion test in salt water sand slurry in this paper.
通过金相组织观察、X射线衍射相结构分析、图像分析仪定量金相测试、电子探针微区成分分析、力学性能检测和盐水砂浆中的低角度冲刷腐蚀试验,研究了含碳量和含钼量对高铬钼钨耐磨铸铁组织、结构、硬度、冲击韧性和抗冲刷腐蚀性能的影响规律。
4) erosion
[英][i'rəuʒən] [美][ɪ'roʒən]
冲刷腐蚀
1.
Using selfmade simulation test stand for copper tubes in condenser of turbines,simulated test of tube erosion for NiP and NiW plated coating and brass HSn 701A has been carried out.
利用自制的汽轮机凝汽器铜管模拟试验装置,进行Ni P、Ni W镀层与黄铜HSn70 1A模拟管端冲刷腐蚀试验。
2.
The resistance to erosion and cavitation-abrasion of the two steels were evaluated by mass-loss method,and corrosion surface morphologies were observed by SEM.
5%NaCl溶液中的冲刷腐蚀和磨蚀性能分别进行测试,用失重法评价了2种材料的抗冲刷腐蚀和磨蚀性能,并利用扫描电镜观察了其腐蚀形貌。
3.
With the self-made erosion test device,the erosion test of HSn70-1A brass and HA177-2A brass was carried out,and the right experiment data were matched into curves.
利用自制的冲刷腐蚀装置,对HSn70-1A、HA177-2A黄铜管进行冲刷试验,对实验数据进行曲线拟合。
5) scouring action
冲刷;侵蚀
6) steam impingement
蒸汽冲蚀
补充资料：泵的汽蚀
分子式：
分子量：
CAS号：
性质：是离心泵运行时常发性的严重问题。其产生机理是：液体在泵叶轮中流动时，由于受叶轮流道形状的约束和高速旋转的影响，使压力不能均匀分布，当低压区的压力下降到与液体温度所对应的饱和蒸汽压力时，局部液体会立即汽化而形成气泡，使泵的性能突然下降甚至产生严重的振动和噪声，长期结果会使叶轮流道表面受到破坏，形成呈海绵或蜂窝状的汽蚀痕迹。可通过改善泵的吸入条件，提高泵的汽蚀余量，改进泵的吸入安装高度 ，改进泵自身的结构以及增设进口诱导轮等措施来解决。
分子量：
CAS号：
性质：是离心泵运行时常发性的严重问题。其产生机理是：液体在泵叶轮中流动时，由于受叶轮流道形状的约束和高速旋转的影响，使压力不能均匀分布，当低压区的压力下降到与液体温度所对应的饱和蒸汽压力时，局部液体会立即汽化而形成气泡，使泵的性能突然下降甚至产生严重的振动和噪声，长期结果会使叶轮流道表面受到破坏，形成呈海绵或蜂窝状的汽蚀痕迹。可通过改善泵的吸入条件，提高泵的汽蚀余量，改进泵的吸入安装高度 ，改进泵自身的结构以及增设进口诱导轮等措施来解决。
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