Calcium carbide, from which he later obtains acetylene, first made by German chemist Friedrich Wohler.
德国化学家弗里德里希·维勒首次制备出碳化钙，随后他以此获得乙炔。
We analyse a mass of data of experiments and conclude that calcium carbide dust can be used in place of lime completely.
经过室内的大量试验和试验路的试验数据分析，电石灰完全可以替代石灰。
This paper Discusses some problems existing in procedures of PVC manufacture using calcium carbide as material and cites some examples.
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。
It was formerly made by the action of water on calcium carbide and is now made from cracking petroleum products.
以前由水与碳化钙作用制造。现在由石油产品裂解生产。
Through the drying, pulverizing and classifying test of the slag, a set of drying equipment for calcium carbide slag as desulfurizer was developed and put into practice.
通过电石渣干燥、粉碎和分级试验研究，开发了电石渣烟气脱硫剂的干燥装置并应用于工业实践。
Carbon nanospheres were synthesized by an inorganic chemical reaction with calcium carbide and chloroform as carbon sources in a sealed autoclave.
以碳化钙和四氯化碳为碳源，反应物通过无机化学反应在密封高压釜中制备了纳米碳球。
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.
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 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 traditional dry ethylene process, calcium carbide broken generally adopt two-stage jaw broken way to finish the crushing grain size, calcium carbide is larger.
传统的干法乙烯工艺中，电石的破碎一般采用两级颚破的方式完成，电石的破碎粒度比较大。
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.
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。
Detailed methods and the results are introduced. The importance of "technological management in calcium carbide production" for "electric energy consumption cutting" is described.
介绍了技术改进具体方法及取得的效果，说明了电石生产技术管理在降低电能消耗上的重要性。
Calcium carbide, widely applied in synthesis of organic chemical products, such as benzene, rubber, polyvinyl chloride, and polyacetylene, is a main intermediate product of clean coal utilization.
电石作为煤炭清洁化的一个主要中间产品，广泛应用于合成苯、橡胶、聚氯乙烯、聚乙炔等有机化工产品。
Secondly, calcium carbide easy and moisture from the air after the compounds produced inflammable and explosive gas, this is generally acetylene stave machinery more no problems in.
其次，电石容易与空气中的水分化合后产生易燃易爆的乙炔气体，这是一般破碎机械中更没有遇到的问题。
Some new process, new units and new materials used broadly in domestic production enterprises of calcium carbide PVC were introduced.
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。
The new technology and new process instead of traditional technology and equipment in PVC production by calcium carbide method were introduced.
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。
Treatment on acid-bearing wastewater from sulphonamide manufacturing was studied, taking calcium carbide dregs as neutralizer in this paper.
选择以电石渣作为中和剂，对磺胺生产过程的含酸废水处理进行了试验研究。
Treatment on acid-bearing wastewater from sulphamide manufacturing was studied, taking calcium carbide dregs as neutralizer in this paper.
选择以电石渣作为中和剂，对磺胺生产过程的含酸废水处理进行了试验研究。
Acetylene is manufactured by the reaction of water with calcium carbide. It is also manufactured by thermal cracking of hydrocarbons, or by partial combustion of methane with oxygen.
通过水同电石的反应生产乙炔。还可以通过碳氢化合物的热裂解或甲烷同氧的不完全燃烧来生产乙炔。
In the production of PVC resin by calcium carbide-acetylene process, how to treat the large amount of carbide slag slurry is a matter of great urgency.
在采用电石-乙炔工艺生产pvc树脂的过程中，如何处理所产生的大量电石渣是企业迫在眉睫的问题。
In order to coordinate the smooth implementation of dry acetylene process, it is necessary to traditional wet process calcium carbide crushing process improvement.
为了配合干法乙炔工艺的顺利实施，必须对传统的湿法工艺中电石的破碎工艺进行改进。
Manufacturing: industrial silicon, metal magnesium, calcium carbide, high - carbon ferrochrome, silicon chromium alloys, low carbon ferrochrome China.
制造：工业硅、金属镁、电石、高碳铬铁、硅铬合金、中低微碳铬铁。
It is produced by reaction of water with calcium carbide, passage of a hydrocarbon through an electric arc, or partial combustion of methane.
乙炔的制法有三种︰水与碳化钙反应、烃经电弧的作用和甲烷的不完全燃烧。
The raw material is dry acetylene technology of artificial synthesis, and calcium carbide contains certain metal components, this is generally not appear stave machinery.
干法乙炔工艺中的原料是人工合成的电石，而且电石中含有一定的金属成分，这是一般破碎机械中没有出现的问题。
Importance of electrode shell making and jointing to sealed calcium carbide furnace is introduced.
叙述了电极壳的制作和对接对密闭型电石炉正常运行的重要性。
Based on the slaking curve and thermo-gravimetric curve of calcium lime, the rational cold compression molding techniques of calcium carbide were given.
通过分析生石灰的消化曲线和热失重曲线，提出了合理的电石成型工艺。
The sulfur removal process of calcium carbide waste water is a chemical reaction between sulfur dioxide and sodium hydroxide.
电石废水脱硫过程是二氧化硫与氢氧化钠发生化学反应生成亚硫酸钠。
The test of LF-80 deoxidizer on ladle furnace is analyzed, which shows that it can replace aluminum shot and calcium carbide from deoxidization result.
本文主要对LF- 80脱氧剂在包钢钢包炉上的试验情况进行了总结。从试验结果看，其完全可以替代铝粒和电石的脱氧效果。
Manufacturing: industrial silicon, metal magnesium, calcium carbide, high-carbon ferrochrome, silicon chromium alloys, low carbon ferrochrome China.
制造：工业硅、金属镁、电石、高碳铬铁、硅铬合金、中低微碳铬铁。
Lime activity is enhanced and output of calcium carbide is increased.
提高了石灰的活性，增加了电石的产量。
Lime activity is enhanced and output of calcium carbide is increased.
提高了石灰的活性，增加了电石的产量。
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