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关于紧固件备品备件数量的确定问题? 你要是说相应的规范规定类的 貌似我是没看见 待大神解答。一般我们都是按照一定比例走的 管子小于dn40的10% ... 这是采购时候需要的备料吧。谢谢啦~你们交货的时候紧固件的备件是怎么确定的呢?查看更多
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进料温度对反应温度及床温的影响? 进料温度,理论上讲如果高对反应有利。但是温度高了会形成浪费。 同时必然对反应平衡有所影响,因为毕竟温度条件变了么! 所以每一个反应在实际操作中都是有一个温度范围的, 在这个温度范围内对反应是有利的,无论是高了还是低了 对反应都是不利的!查看更多
求多效蒸发海水淡化Aspen模拟指导!!!? 貌似有文献资料 查看更多
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SW6计算? 是office有问题,重装了个office,已解决查看更多
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关于甲醇精馏脱除杂质的问题? 你可以学习一下萃取精馏,找找萃取精馏的资料。预塔还有个萃取槽,想想他的作用。查看更多
煤油加氢问题? 送酸性水汽提装置查看更多
如何添加设备的滞后模块? hysys中有一个传递函数模块,可以增加自己设定延迟 还请高手指教,我是想让压缩机的高压变化的慢一点,传递函数应该选择delay ,但是我实在没看懂t 与k的含义,或者说是加上这两个参数之后具体的函数是什么呢?谢谢查看更多
求助2010年知识上午52、53、54、55、61题? 4.下列有关物理性质的叙述那些事不正确的?(我想知道b选项说法是否正确) a.水沸腾的温度总是100 ℃ ... b正确,纯物质三项平衡,体系自由度为0,f=c(组分数)-p(相数)+2,体系状态已经确定 查看更多
防爆视孔灯? 森本的就不错查看更多
英语及专业英语的学习方法探讨? 觉得最好的办法还是去用,只有用了才能结合实际,才能知道自己的不足,才能把他作为个交流的工具,才能回归语言的本质。查看更多
看看国外的同事们的“怎样做一个好的工艺工程师”? 我看到一个国外论坛的帖子,感觉很好。这是一个讨论技术的帖子,我原来的想法是给盖德技术板块的一个相似中文帖子找反向灵感的,使浮躁的心情得到一点提示。现在没有那些想法了,贴在这里让大家读一下时下和我们一样的外国同事们的观点。 有兴趣的网友希望你们跟贴翻译一下,建议版主给译者加分,我每天只能加6分。 valene : i graduated from chemical eng back in 1986 but ended up doing instrumentation sales specializing in control valves/psv's with the fisher/emerson organization for 15 years then moved on to become a instrument engineer with an engineering company for 5 years. the opportunity came & i decided to take up the offer to become a process engineer after 20 years from graduation. i figured this will be something i want to do before the sun sets. it has been a struggle espcially on hysys but other than that it is fun! i would greatly appreciate some guidance from my peers here in this forum what steps should i take to help turn me into a jedi of process engineering or at least a good student....thks johnboyd : valene, big question; here are some general pointers, no particular order: - bone up on the processes you're responsible for; learn as much as you can re process chemistry, op conditions, etc. - study the pfd's and p&id's. walk the plant/area and notate the difference between design/as-built/existing. you've got to know how your area is laid out. - get tight with production engineers and operators; they know the process like the back of their hands. ask questions; why do they do what they do? - crawl around/inspect equipment during turnarounds. - spend time in the control room/bone up on the dcs. learn what's monitored and where. get proficient at extracting process data. - get tight with maintenance/instrument tech folks; you'll need sensors calibrated at some point. - get proficient doing mass and energy balances for every unit op in the area; you've got to be able to quantify operations and changes/options, etc. - locate/extract performance data/equipment specs for all equipment; you'll need them for the m&e bals. - pay close attention to physical property data and models; without good/applicable data your sim runs are fantasy. - don't neglect the little things; impurities/byproducts can cause headaches even in small amounts. - keep as current as you can with the technical literature. a good start is chem eng progress, hydrocarbon processing and aiche journal. and of course whatever applies to your specific units. - a zillion other things (or seems like it), safety,hazard analyses, environmental regs/permits; you'll know it when it hits you in the face. hope this helps, at least it's a start. good luck. john boyd, pe owg : johnboyd has provided an excellent list. i would just add one thing. learn some quick methods like those described in chemical engineering magazine "rules of thumb" march 16, 1987. that way when some of the people you are going to be spending time with ask you a question, you can provide an answer without them having to write an engineering work order and wait 6 months. unclesyd : you have very enviable position in that your experience can be tremendous benefit once you get orientated. you will find that the majority of the people at the new job will be suffering from inside the fence syndrome. the majority of their knowledge would have been developed at on site and most of it by evolutionary steps. there will also be a lot of the nih people, believing that our way is the best way. this is hard to overcome but with the proper timing and actions it can create great opportunities for you. as stated above keeps your eyes and ears open.查看更多
脱硫冷却塔塔底水出口设安全水封的问题? 请问这种调节阀控制方法用的厂家多吗 与制作水封槽相比较,采用调节阀投资更大,且还需要进行人员的操作、维护及维修,因此采用调节阀的方案较少采用。 查看更多
Aspen怎么求以下这个工序的能量衡算,跪求大神指点!? 求各路大神给点意见 查看更多
净化系统冷量不足怎么办? 此问题太复杂,要根据具体的流程和情况分析,能否提供具体的流程?查看更多
天天向上——2010.01.10? 不了解,学习一下查看更多
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全国烧碱行业技术年会论文集? 2007和2010年的哦,谁有哦?麻烦共享个或者发我个查看更多
跪求大神指教!!!? 果断回帖,如果沉了就是我弄沉的很有成就感查看更多
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降血脂药市场研究报告_2006年_? 怎么是红叉叉呢? 查看更多
焦化厂塔前硫化氢含量怎么计算? 楼主要用什么条件计算?用配煤种的硫含量吗?那可不好说,只能取样化验,或在线监测。查看更多
学ASPEN的不二选择,《化工过程及数值模拟软件》值得拥 ...? 楼主 下载下了看看 谢谢查看更多
简介
职业:安徽省宿州市贯华化工有限公司 - 人事职员/行政职员
学校:茂名学院 - 化工与环境工程学院
地区:山东省
个人简介:人生贵知心,定交无暮早。查看更多
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