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聚甲醛装置是怎样的?_其他_设计456问答
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聚甲醛装置是怎样的?

浏览:38次 | 提问时间: 08-06 09:43
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3个答案
骚年loveh 08-06 09:44

聚甲醛装置中关键设备主要有:甲醛蒸发器、三聚*成套设备、离心机、三聚结晶冷却器、聚*套设备(属专用设备)、研磨成套设备、粉料干燥器、造粒粉料掺混设备和脱气造粒机(属专用设备),由于该部分设备技术要求高,在装置设备安装中具有举足轻重的位置。

時間都去哪了兒丷 08-06 09:53

技术特点:聚甲醛生产工艺流程长,工艺设备约1000多台以上,大型设备多,其中关键设备9套,具有专用技术的专用设备、有特殊要求的进口设备9套,长超过18米,宽超过3.4米,高超过3.6米,重超过30吨的设备视为超限设备15台,超限设备在现场组对焊接后才能就位。非标设备(普通材质)约为643台,需现场制作设备13台。在单体生产部分,其中多数为非标设备,而在聚合后处理单元多数为处理固体粉料或粒料设备,属于专用设备。对设备、管道系统的严密性要求高,生产过程中的中间产品和成品对清洁度要求高,对装置电气、仪表的防火以及静电接地要求严格。由于生产过程中的中间产品和成品对清洁度要求高,因此所有接触物料的工艺设备均采用不锈钢材质。同时安装工程中还有关键设备、超限设备非标设备和大型重点传动设备。聚甲醛装置中关键设备主要有:甲醛蒸发器、三聚*成套设备、离心机、三聚结晶冷却器、聚*套设备(属专用设备)、研磨成套设备、粉料干燥器、造粒粉料掺混设备和脱气造粒机(属专用设备),由于该部分设备技术要求高,在装置设备安装中具有举足轻重的位置。关键技术:聚甲醛装置关键设备及专有设备的安装技术、管道焊接和内部清洁施工技术为聚甲醛装置安装关键技术。

你的喜帖是我的请帖 08-06 10:01

装置简介      工号:0201      三聚甲醛*及浓缩      本装置由R-210A/B、C-220A/B两套系统组成,工艺流程如下:反应器(R-210A/B)接收从01B送来的浓度为60%的浓甲醛,在硫*催化作用下反应生成15~17%的气相三聚甲醛,再送至浓缩塔(C-220A/B)在负压条件下进行浓缩*作,最终从塔顶产出45%的三聚甲醛送至萃取工段

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