vacuum-chamber wall

The problems of traditional hot wall transfer line of vacuum tower, such as more heat displacement of the horizontal pipe at low velocity, large pushing force on the tower support and severe sulfur corrosion, etc., are analyzed.

剖析了传统的热壁减压塔转油线存在的低速段水平直管热位移量大，对减压蒸馏塔和支架的推力大，硫腐蚀严重等问题。

Because of the adsorption of gas molecules to the vacuum wall, the pressure rise characteristic of sealed titanium pump-stainless steel UHV system is very different from that of general vacuum systems.

由于真空器壁对气体分子的吸附作用，钛泵－不锈钢超高真空系统的静态升压特性与普通真空系统有很大不同。

The vacuum differential-pressure casting ( VDPC) technol ogy for thin-wall ed Al alloy was introduced.

介绍了用于薄壁铝合金铸件的真空差压铸造工艺。

The development of cold wall transfer line of vacuum tower and its successful application in a 500 kt/ a atmospheric and vacuum distillation unit are introduced.

详细介绍了冷壁减压塔转油线技术的开发以及成功地用于500kt／a常减压蒸馏装置的情况。

An insulated container used especially to store liquefied gases, having a double wall with a vacuum between the walls and silvered surfaces facing the vacuum.

特别指用于贮藏液态气体的真空容器，有双层壁，壁间为真空，接触真空的表面镀银。