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马弗炉缓慢灰化法操作步骤

发布时间:2017-05-31 23:06:39 分类:行业新闻 来源: 点击:次

马弗炉缓慢灰化法操作步骤 马弗炉缓慢灰化法操作步骤   马弗炉缓慢灰化法操作步骤  1、在预先灼烧至质量恒定的灰皿中,称取粒度小于0.2mm的空气干燥煤样(1±0.1g);  2、将灰皿送入炉温不超过100℃的马弗炉恒温区中,关上炉门并使炉门留有15mm左右的缝隙。在很多于30min的时间内将炉温缓慢升至500℃,并在此温度下保持30min。继续升温到(815±10℃),并在此温度下保持1h;  3、从炉中取出灰皿,放在空气中冷却5min左右,移入干燥器中冷却至室温(约20min)后称量;  4、进行检查性灼烧,每次20min,直到连续两次灼烧后的质量变化不超过0.0010g为止。以最后1次灼烧后的质量为计算根据。灰分低于15.00%时,没必要进行检查性灼烧。  结果的计算  Aad=m1/m×100  式中:  Aad&

  MAFULUHUANMANHUIHUAFACAOZUOBUZHOU

  1、ZAIYUXIANZHUOSHAOZHIZHILIANGHENGDINGDEHUIMINZHONG,CHENGQULIDUXIAOYU0.2mmDEKONGQIGANZAOMEIYANGWENDUXUNHUANLENGRECHONGJISHIYANJI(1±0.1g);

  2、JIANGHUIMINSONGRULUWENBUCHAOGUO100℃DEMAFULUHENGWENQUZHONG,GUANSHANGLUMENBINGSHILUMENLIUYOU15mmZUOYOUDEFENGXI。ZAIHENDUOYU30minDESHIJIANNEIJIANGLUWENHUANMANSHENGZHI500℃XIANGJIAOSAICHUANCILISHIYANJI,BINGZAICIWENDUXIABAOCHI30min。JIXUSHENGWENDAO(815±10℃),BINGZAICIWENDUXIABAOCHI1h;

  3、CONGLUZHONGQUCHUHUIMIN,FANGZAIKONGQIZHONGLENGQUE5minZUOYOU,YIRUGANZAOQIZHONGZHIGUANJIANCESHIYANJILENGQUEZHISHIWEN(YUE20min)HOUCHENGLIANG;

  4、JINXINGJIANCHAXINGZHUOSHAO,LIANTIAOPILAOSHIYANJIMEICI20min,ZHIDAOLIANSULIAOLASHENQIANGDUSHIYANJIXULIANGCIZHUOSHAOHOUDEZHILIANGBIANHUABUCHAOGUO0.0010gWEIZHI。YIZUIHOU1CIZHUOSHAOHOUDEZHILIANGWEIJISUANGENJU。HUIFENDIYU15.00%WANNIUSHIYANJISHI,MEIBIYAOJINXINGJIANCHAXINGZHUOLIXINGZHIBOLISHIYANJISHAO。

爱拼彩票平台  JIEGUODEYEYAWANNENGSHIYANJIJISUAN

爱拼彩票平台  Aad=m1/m&tNAIFUSHIYANWULASHENGANGJIAOXIANSONGCHISHIYANJIZHIBANBOLIQIANGDUSHIYANJISHIYANJIimes;100

  SHIZHONG:

  Aad—&mjz888YANWUSHIYANJIdash;KONGQITINGDUSHIYANJIGANZAOMEIYANGDEHUIFEN,DANWEIWEIBAIFENSHU(﹪);

  m&why800YALISHIYANJImdash;—CHENGQUDEKONGQIGANZAOMEIYANGDEZHILIANG,DANWEIWEIKE(g);

爱拼彩票平台  m1——ZHUOSHAOHOUCANLIUWUDEZHILIANG,DANWEIWEIKE(g)。CHABOSHIYANJI

马弗炉缓慢灰化法操作步骤