化工生产基础知识题库

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speeduptechnologyresultsinto,activeguideenterprisewillmaturetechnologyresultsintoforproductivity,andTranslateintoeconomicbenefits,effortstosolveeconomicandtechnologicaltwopeelsphenomenon,saysfromtheDongpingreal,istoprovideresearchinstitutionswithmoreintoplace.Strengtheningtheagriculturalscientificandtechnologicalachievementsinthefieldtoimproveeffortstohelpfarmers,cropplanting,processing,animalhusbandryandotheragriculturalproducts,increasetheintensityoftransformingscientificandtechnologicalinnovation,scienceandtechnologytoimproveagriculturalefficiency,improvethemassincomeandservicesimmigrantssafehavensiegeworks.WuhanInstituteoffreshwatershouldgivefullplaytotheChineseAcademyofSciences,andimprovingtheaddedvalueofDongpingLakeaquaticproducts.1th,inthemiddleofthisyearProposedtoincreasethelevelofmodernizationinagriculture,hopingthecountylevelstoseriouslystudythedocuments.18plenarysessionstoringfoodin,storingfoodinland,thisrequirementisveryhigh,population,foodisnotenough,andnotcompletelyrelyonimports,hastorelyontechnologytoincreasefoodproductionandlimitedlandmass,relevantdepartmentsatthecountylevelinparticular,agriculturalsector,activedockingtertiaryinstitutions,theInstitutetooktheleadinthe化工生产基础知识题库一、填空题1.按照检测仪表根据其被测变量不同,根据化工生产五大参量又可分为(温度),(压力),(流量),(液位),分析仪表。2.DN25、DN150相当于英制的(1)、(6)寸。3.爆炸性气体混合物发生爆炸必须具备的两个条件是:(一定的浓度)和(足够的火花能量)。4.1毫米水柱(mmH2O)=(9.81)Pa,1毫米汞柱(mmHg)=(1.33*102)Pa,1工程大气压(Kg/cm2)=(9.81*104)Pa。5.常用的温标有(摄氏温度℃),(华氏温度℉),(凯氏温度K)三种。6.测量流体压力用的压力表的读数叫(表)压,如果被测流体的绝对压力低于大气压,则压力表所测得的值称为(负压或真空度)。7.压缩机入口应选(气关)式调节阀。加热炉燃料气系统应选用(气开)式调节阀。8.按照被测介质的相态分,在线分析仪表可以分为(气体)和(液体)两大类。按照测量方法分,可分为(光学分析仪器)、(电化学分析仪器)、(色谱分析仪器)、物性分析仪器、热分析仪器等多种类别。9.燃烧应具备的三个条件:————、————、————。可燃物助燃剂着火源10.受压容器要严禁:————、————、————。超温超压超负荷11.从事高处作业的单位必须办理————。高空作业证12.设备内作业必须有————监护人员不得离开。专人监护13.安全生产的方针是————、————。安全第一、预防为主14.预防伤亡事故三不伤害————、————、————。不伤害自己、不伤害他人、不被他人伤害15.消防工作的方针————、————。预防为主、防消结合16.事故处理“四不放过”原则是————、————,————、————。事故原因不清楚不放过,事故责任者和员工没有受到教育不放过,事故责任者没有处理不放过,没有制定防范措施不放过17.化工企业安全生产的特点————、————、————。高温高压、有毒有害、易燃易爆易腐蚀speeduptechnologyresultsinto,activeguideenterprisewillmaturetechnologyresultsintoforproductivity,andTranslateintoeconomicbenefits,effortstosolveeconomicandtechnologicaltwopeelsphenomenon,saysfromtheDongpingreal,istoprovideresearchinstitutionswithmoreintoplace.Strengtheningtheagriculturalscientificandtechnologicalachievementsinthefieldtoimproveeffortstohelpfarmers,cropplanting,processing,animalhusbandryandotheragriculturalproducts,increasetheintensityoftransformingscientificandtechnologicalinnovation,scienceandtechnologytoimproveagriculturalefficiency,improvethemassincomeandservicesimmigrantssafehavensiegeworks.WuhanInstituteoffreshwatershouldgivefullplaytotheChineseAcademyofSciences,andimprovingtheaddedvalueofDongpingLakeaquaticproducts.1th,inthemiddleofthisyearProposedtoincreasethelevelofmodernizationinagriculture,hopingthecountylevelstoseriouslystudythedocuments.18plenarysessionstoringfoodin,storingfoodinland,thisrequirementisveryhigh,population,foodisnotenough,andnotcompletelyrelyonimports,hastorelyontechnologytoincreasefoodproductionandlimitedlandmass,relevantdepartmentsatthecountylevelinparticular,agriculturalsector,activedockingtertiaryinstitutions,theInstitutetooktheleadinthe218.物质的饱和蒸汽压主要与物质的()()。答:温度、性质(挥发度、沸点)19.一种物质的原子或分子附着在另一种物质的表面上的现象叫()。答:吸附20.使气体从溶液中解吸出来的方法有()()()()。答:加热、闪蒸(减压)、气提、蒸馏(精馏)21.化工生产中,主要需测量的参数对象有哪些()()()()()。答:温度、压力、流量、液位、转速22.离心泵启动前入口阀必须(),出口阀必须()。答:全开(打开)、关闭23.容积式泵(如齿轮泵)启动前入口阀必须(),出口阀必须()。答:全开(打开)、打开24.燃烧必须具备的三个条件是是()()()。答:可燃物、助燃物、着火点(火源)25.影响换热器换热效果的因素有()()()。答:换热温差、换热面积、传热系数(材质)26.甲醇洗的冷量来源是()()()()。答:冷冻站、CO2解析、节流、冷却水27.硫回收热态开车的条件是:炉膛的温度()触媒温度()每台设备内部温度()。答:(1)炉膛的温度应高于1000℃。(2)触媒温度应高于200℃。(3)每台设备内部温度应高于120℃。28.化工生产中硫化物的危害主要有:()、()、()、()、()、()。答:硫化物的危害主要有:使催化剂中毒、堵塞管道设备、腐蚀管道设备、污染溶剂、污染环境、降低产品质量。29.若溶入溶剂中的气体不与溶剂发生明显的化学反应,此种过程叫()。若气体溶解后与溶剂或预先溶于溶剂里的其他物质进行化学反应,这种过程称为()。答:物理吸收、化学吸收30.化工企业的三废是指()、()和()。答:废液、废气、废渣31.离心泵的流量随转速的升高而(),随泵叶轮的几何尺寸增大而()。speeduptechnologyresultsinto,activeguideenterprisewillmaturetechnologyresultsintoforproductivity,andTranslateintoeconomicbenefits,effortstosolveeconomicandtechnologicaltwopeelsphenomenon,saysfromtheDongpingreal,istoprovideresearchinstitutionswithmoreintoplace.Strengtheningtheagriculturalscientificandtechnologicalachievementsinthefieldtoimproveeffortstohelpfarmers,cropplanting,processing,animalhusbandryandotheragriculturalproducts,increasetheintensityoftransformingscientificandtechnologicalinnovation,scienceandtechnologytoimproveagriculturalefficiency,improvethemassincomeandservicesimmigrantssafehavensiegeworks.WuhanInstituteoffreshwatershouldgivefullplaytotheChineseAcademyofSciences,andimprovingtheaddedvalueofDongpingLakeaquaticproducts.1th,inthemiddleofthisyearProposedtoincreasethelevelofmodernizationinagriculture,hopingthecountylevelstoseriouslystudythedocuments.18plenarysessionstoringfoodin,storingfoodinland,thisrequirementisveryhigh,population,foodisnotenough,andnotcompletelyrelyonimports,hastorelyontechnologytoincreasefoodproductionandlimitedlandmass,relevantdepartmentsat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