The result show that, the improved technique is applied in the equipment of cord fabric products department Baling corporation increase the design load of ZIMMA & from 1300t/a to 1700t/a successfully controlled the react time in 10 hours By adjusting the temperature of biphenyl, vacuum degree, decrease the increase the initial viscosity from 3.10-3.15 to 3.00-3.05. By changing extract water temperature, the volume of water decrease the consumption of desalted water and vapor, the content of extraction in the slice is subtract 0.1%.
结果表明:缩短聚合反应时间的改进工艺应用于巴陵公司帘子布产品部聚合装置后,将德国ZIMMA公司设计负荷的13千吨/年提高至17千吨/年,前后聚反应时间缩短至10小时左右;通过前后聚联苯温度、真空度的工艺调整,将切片的初始粘度由3.10-3.15降至3.0-3.05;通过调整萃取水温和水量,降低了脱盐水及蒸汽用量,并使切片中可萃取物的含量下降了0.1wt%;通过控制循环N_2的流量和温度,进行固相增粘后,切片的粘度仍然能稳定在3.45左右;切片的单耗由1.038吨/吨降至1.030吨/吨,在单耗最低的情况下,切片的产量和质量在国内同行业中均处于领先地位。
参考来源 - 缩短己内酰胺聚合反应时间及改进萃取干燥工艺的研究·2,447,543篇论文数据,部分数据来源于NoteExpress
The process flow of regeneration system of desalted water station is described and the corrosion problems are analyzed.
介绍了除盐水站再生系统流程,对除盐水站存在的酸、碱腐蚀问题进行了分析。
The insurance of the normal operation of vacuum degassing system and sealing performance of the desalted water drum was the important measure to control the corrosion.
确保真空除气系统正常运行和二级除盐水箱的密封效果是控制腐蚀的主要手段。
PLC control scheme of cation exchanger, which has application in the desalted water process, is presented in this paper. The design of software and hardware is also described.
从工程角度介绍可编程控制器(PLC)用于脱盐水处理中阳离子交换器的控制方案,并给出了有关硬件及软件的设计要点。
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