unit tube

Research on Mechanical Properties and Structure Design of Petroleum Tube and Casing Hydrostatic Test Unit

上下活动套管的装置油套管水压试验装置结构设计及力学性能研究

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Design of Main Technology Parameters of Polishing Unit for External Surface of Steel Tube

钢管外表面磨光机组主要技术参数的设计

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This unit is mainly comprised of oil processing house, oil storage house, filtering unit, separation unit, tube reeler and oil gun.

这种处理机主要由处理油箱、储备油箱、滤清器、聚结分离器、收管卷筒和油枪组成。

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The welding process of nickel base welding wire for tube to tube sheet used in HP heater of330 MW and above power unit has been described in the article.

本文依据工程实践经验，介绍了镍基合金、石墨、钢衬聚四氟乙烯三种材料的应用防腐情况、使用条件，对于氟化选材有指导意义。

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The system consisted of vacuum tube collectors, one adsorption chiller, hot water tank, cooling ceiling, fan coil and independent dehumidification unit. The system provided air-condition to the 50 m2 test room.

该系统主要包括U型管式真空管太阳能集热器、吸收式制冷机组、蓄热水箱、辐射吊顶、风机盘管和独立除湿机组等，此系统为50m~2的测试房间提供夏季空调。

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The injection pressure and gas flow uniformity of the injection tube in injection unit have significant effects on cleaning of filter-bag, which is one of the main technologies that need to be dealt with in large bag filter design process.

喷吹装置喷吹管喷吹气压和气量的均匀性对滤袋清灰效果影响显著，是大型袋式除尘器设计过程中需要解决的主要技术之一。

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Foreign Triple-Horizontal Tube Spraying-Film Evaporating Unit and Development of Domestic Production

卧管喷淋式降膜蒸发装置浓缩制浆黑液的国产化研制

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Stress Analysis of the High pressure Spiral tube Heater Head of a 100 MW Unit

100MW螺管高压加热器底封头应力分析

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The study background of this thesis is according to the feedback of practice assembly from US customers, the perpendicularity of welded support tube need under controlled to resolve the issue that seat frame could not fit to the power unit base.

研究课题根据实际装配误差数据的反馈，要求对电动轮椅座椅支撑管的垂直度进行控制以解决座椅不能安装的问题。

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The thermal unit involves a triplex concentric tube with phase filling in the middle channel.

通过数值模拟与实验,研究了三重同心套管内的相变传热过程.

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