vent gas

So often easily design overflow and air vent at inappropriate location, making casting generated gas hole.

所以常常容易因为溢流井与逃气道位置设计不当，使得铸件产生气孔的缺陷。

The technology and principle of vent gas recovery system with paraffin were introduced.

介绍了尾气石蜡回收系统的工艺及工作原理.

This device helps vent gas that boils off from the liquid oxygen tank, and also bathes the top of the tank in warmed nitrogen to prevent ice from forming.

这个装置有助于排除液氧燃料箱蒸发的气体，并且它还可以用加温氮气笼罩箱顶，以防结冰。

The Design and Optimization of Membrane Process for Chloromethane Recovery from the Vent Gas of Organic Silicon

膜法回收有机硅尾气中氯甲烷流程设计与优化质子交换膜燃料电池堆运行参数优化设计

For the purpose of recovering C2H4 from the vent gas of ethylene oxide ( EO) plant, activated carbon ( AC) selected as absorbent has been studied.

以活性炭为吸附剂，对工业环氧乙烷装置排放气中乙烯的回收进行了研究。

The technical calculation of the vice-tower and the innovated technical process are presented, and the mass concentration of hydrogen sul-fide in the vent gas reaches the design index after the innovation.

介绍了浓缩副塔的工艺计算和改进的工艺流程，改造后浓缩塔放空气中硫化氢质量浓度达到了设计要求。

Film Separation Technology of Recovery Gas from the Vent of Glycol Device

采用膜分离技术回收乙二醇装置工艺放空气

The silane and silane mix vent system should be independent of other gas vent systems.

硅烷和硅烷混合物排气系统应该独立于其它气体排气系统.

Extract Instantaneous Vent Rate of Natural Gas Using Graphic Method On Quantity

图解法求天然气瞬时放空量

For environment, do not pollute, reduce the emission of many vent gas and fuel.

而且对环境没有污染, 减少很多尾气和燃料的排放.

Failure analysis and protective countermeasure of PTA oxidation reactor vent gas condenser

PTA装置氧化反应器尾气冷凝器失效分析及对策

The mass concentration of hydrogen sulfide in the vent gas of concentration tower is over-proof due to the increase of shift gas quantity and sulfide compounds content.

由于变换气量及气体中硫含量的增加，导致原浓缩塔放空气中硫化氢质量浓度超标。

A spraying empty tower is adopted to absorb the fluorine in waste gas, its efficiency is high, heat removal is considerable and the fluorine content in vent gas is lower than that required by GBJ 473 Standard.

采用空塔喷淋吸收气体中的氟，吸收效率高，散热好，排放尾气中的氟含量低于GBJ473标准。