第94章 改进方案,真是怪物

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    不过想到林言搞出来的汽轮机、转炉、可乐、塑料、猪鬃分离、凝胶,横跨了多少行业。自己这点蒸汽机车的领域,说破天也就是全国铁路运输的一环。
    林言这种全能型的顶尖宝贝疙瘩,就应该放在统筹全局的位置上,要是专攻他一个铁道部的话,对于他们部门来说确实是喜从天降,但从全国范围来说就是暴殄天物。
    只是注意到自己身后学生们那清澈愚蠢的目光,以及林言那神采奕奕的眼神里透出来的那种说不清的灵性,翟旭就忍不住地长长叹息,摇头无奈。
    虽然最后这个念头还是打消,但和林言继续沟通交流的念头却没有丝毫减弱。
    进入包间吃饭后,翟旭只是扒了几筷子填饱肚子,和场内的领导们寒暄过后,又侧身到林言旁边,压低嗓门询问各种技术上的问题:
    “小林,你刚才说的那个锥形套筒,我刚刚吃饭的时候又琢磨了一下,如果我在套筒内壁焊几道螺旋导流片,让乏汽在喷出前先旋转起来,会不会抽力更均匀?“
    赵司长刚举着杯子的手悬在半空,看着两人又凑到一起津津有味讨论的模样,白眼忍不住地翻了好几翻,无奈地摇头叹气后,压低声音的同时,又跑到后面叮嘱林言和翟旭的学生,告诫他们照顾好自己的老师。
    而林言刚咽下口水里的饮料,听到问题后,脑海想了想便回答:“螺旋导流片可以,但有个问题,高温高速蒸汽冲刷下,焊点容易疲劳开裂。不如换个思路,在烟箱两侧外壁焊散热肋片。“
    “散热肋片?“
    翟旭放下筷子,手指蘸了点茶水在桌面上画起来。
    林言点头:“对,烟箱外壁温度高,尤其是在长时间满负荷运行的时候,局部过热会导致钢板变形,影响喷口和烟箱之间的间隙配合。焊上肋片之后,散热面积增大,外壁温度能降下来不少。而且肋片本身还能起到加强筋的作用,烟箱刚度更好,不容易在震动中开裂。“
    翟旭眼睛微微一亮,手指在桌面上画了几道竖线:
    “肋片间距多少合适?“
    “这个要试。“林言说,“太密了影响检修,太疏了散热效果不够。我的想法是先按每隔一百毫米焊一道,肋片高度五十毫米左右,厚度六到八毫米,用边角料就能轧出来。焊完之后做一次热态试验,看温度分布再调整。“
    聊着聊着,现场又热闹起来。
    甚至林言和翟旭的学生见到两人讨论的情况后,连饭都没怎么扒完,赶紧跑到一旁,各种摊开笔记记录,哪怕听不懂,记下三言两语,等以后琢磨都行,看得一旁的赵司长直嘬牙花子——
    好好一顿接风宴,硬是又变成了技术研讨会不说,说好的让这些学生好好照顾自己的老师,别让他们两个太过操劳,怎么现在又变成跟屁虫了?
    他刚想插嘴劝林言好好休息,翟旭已经迫不及待地继续追问:“那小林,你还有其他奇思妙想吗?咱们这些老家伙思维有些固化,想听听你这个小年轻的建议,看能不能让我们开动些灵感?“
    林言掰着手指头给他数:“除了那些外,燃料本身也得改。咱们现在烧的貌似都是原煤块,大小不一,孔隙不均,扔进炉膛里有的烧透了有的还是黑的。我建议把煤加工成蜂窝砖。“
    “蜂窝砖?“翟旭一愣。
    “对,用模具压成方块,大概十五厘米见方,中间竖着留一排圆孔。“
    林言用手指在桌上比划着,“孔隙均匀之后,空气能从孔道里均匀穿过,燃烧比原煤块充分得多,至少能提高两成效率。而且这东西土窑就能烧,不需要复杂设备——找几个铁匠铺打一批模具,让煤场那边组织人压制晾干就行。等以后有条件了,再上机械化压砖机,产量还能翻。“
    翟旭连连点头,又追问道:“那锅炉本身呢?你之前说水循环要改?“
    林言拿出纸笔在草稿纸上涂涂改改
    :“现在的锅炉管子是等间距排列的对吧?上中下都一样密。但炉膛里火最猛的地方在底层,越往上火焰温度越低。等间距的管子,底层吸热面积不够,上层又浪费了。“
    他又在图上画了几道横线:“改成上疏下密。底层管子排得密一些,吸热面积大,火最猛的时候能迅速把水加热;上层管子排得疏一些,因为火焰到上面已经弱了,排太密反而阻碍烟气流通。这么一改,水循环从自然对流变成强制干扰,蒸汽产量至少还能再提两成。“
    翟旭听得手都痒了,恨不得现在就回办公室画图纸。
    “第三,“林言接着说,“过热管清洗。正常情况下蒸汽过热器用久了,管内壁会结水垢,传热效率直线下降。现在清洗是不是得拆整个锅炉?“
    翟旭苦着脸点头:“可不是嘛,每清一次要停炉好几天,拆得七零八落,工人累得半死。“
    “不用那么麻烦。“林言说,“在过热管两端各加一个带螺纹的丝堵法兰盘,清
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