分析了聚氯乙烯厂电石法生产PVC原有水洗装置存在的问题与不足。
The existing problems and shortages of original PVC water units by calcium carbide method were analysed.
介绍了电石法乙炔装置清净废液的循环回用工艺技术的开发及应用情况。
The development on the process for the recycling of waste liquid coming from the purification of acetylene was introduced as well as its application situation.
介绍了在电石法PVC生产中利用新技术与新工艺改造传统技术和设备的情况。
The new technology and new process instead of traditional technology and equipment in PVC production by calcium carbide method were introduced.
在电石法pvc生产装置精馏工序和压缩冷凝回收工序排放的尾气中含有VCM。
In the production of PVC by calcium carbide method, tail gas contained VCM could be released from the rectifying process and compression-type condensation recovery process.
综述了电石法生产聚氯乙烯过程中极易出现问题的几道工序,并列举了若干实例。
This paper Discusses some problems existing in procedures of PVC manufacture using calcium carbide as material and cites some examples.
介绍了国内电石法pvc生产企业近年来广泛采用的一些新工艺、新设备和新材料。
Some new process, new units and new materials used broadly in domestic production enterprises of calcium carbide PVC were introduced.
介绍了电石法PV C树脂生产中转化器出口总管处的乙炔含量与触媒使用时间的关系。
The relation of acetylene content in the header outlet pipe of convertor with the service time of catalyst in the production of PVC by calcium carbide method was introduced.
介绍了电石法聚氯乙烯生产过程中水、尾气和电石渣的循环利用及超低含量氯化汞触媒的使用情况。
The reutilization of water, tail gas and carbide slag in PVC production by calcium carbide method, and service condition of super low content mercuric chloride catalyst were introduced.
采用氢化物原子荧光光谱法测定了电石法生产PVC树脂中汞的含量,该方法回收率高,精密度好。
The mercury content in PVC resins produced by carbide method was determined by hydride atom fluorescence spectrum. This method had the characteristics of high recovery and good precision.
叙述了电石法pvc的生产工艺及目前国内电石生产的现状,着重指出电石法生产pvc工艺中需要重视的要点。
PVC production process by calcium carbide method and calcium carbide production present status in domestic were narrated. Key attentive points in PVC production were emphatically pointed.
分析了用电石法生产氯乙烯过程中转化器的腐蚀原因,在设备和工艺方面进行了改进,实践后取得了较好的效果。为解决此类问题提供了参考方法。
Reasons for corrosion of the converter in production of vinyl chloride by using carbide as raw materials are discussed. Measures to solve the corrosion problems are introduced.
分析了用电石法生产氯乙烯过程中转化器的腐蚀原因,在设备和工艺方面进行了改进,实践后取得了较好的效果。为解决此类问题提供了参考方法。
Reasons for corrosion of the converter in production of vinyl chloride by using carbide as raw materials are discussed. Measures to solve the corrosion problems are introduced.
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