化工生产

• Plate and frame filter presses have been in use for over 100 years for the clarification of foods , beverages , pharmaceuticals , chemicals , and cosmetics
  厢式板框压滤机是典型的加压过滤机，它于18世纪初就应用于化工生产，至今仍在化工生产领域中广泛使用。
• Properties and difference of three control system dcs , plc and fcs in the chemical production process are analyzed , source and developing trends are pointed out
  摘要分析了化工生产过程控制系统? dcs 、 plc 、 fcs三大控制系统的特点和差异，指出了3种控制系统之间的渊源及发展方向。
• Based on the action and the capability need of polymer gear pump in oil chemical engineering , the idea of whole profile meshing of polymer gear pump is advanced for the first time
  基于聚合物齿轮泵在石油化工生产中的作用和性能要求，本文首次提出聚合物齿轮泵的全封闭齿廓啮合型面的概念。
• The paper introduces importance of the fault diagnosis technique and its economic benefit , as well as several methods of fault diagnosis and problem to be paid attention in chemical operation
  阐述故障诊断技术的重要性及所带来的经济效益，介绍故障诊断技术的几种方法及在化工生产应用中应注意的问题。
• Jintan star chemical co . , ltd . is a professional fine chemical production enterprise which has rich experience in diazo reaction , friedel - crafts and reducing reaction
  我公司是一家专业化、科研型化工生产企业，在重氮化反应、傅克反应、还原反应、缩合反应、霍夫曼反应等方面有丰富的经验。热忱欢迎您的光临指导！
• Drying is a basic operation unit of chemical production . drying operation methods are varies , fluidized bed drier is an ideal operation device for drying pvc particulate material
  干燥过程是化工生产的基本操作单元，干燥的操作方式是多种多样的，流化床干燥器对聚氯乙烯等粒状物料的干燥，是一种十分理想的操作装置。
• In order to solve the polution problem of the toluene contained waste gas produced by the organic chemistry production process , a toluene purified recycle system based on plc and hmi is proposed
  摘要为了解决有机化工生产过程中排放的甲苯废气对环境的污染问题，设计了一套由plc 、 hmi 、智能仪表构成的甲苯净化回收控制系统。
• Trace water in organic solvents was determined rapidly by gas chromatography . the results of the experiment were satisfactory . this method is easy , convenient and suitable for the quality control in practical production line
  用气相色谱法快速测定多种有机溶剂中的痕量水分，取得了满意的结果.该方法简便易行，宜用于化工生产中的产品质量控制