3) limestone concentration
石灰石浓度
1.
2, the effect of limestone on desulfurization efficiency have relevant to limestone amount in the furnace, the limestone concentration in CFB furnace is an important index for evaluation desulfurization efficiency of limestone and the desulfurization condition on the top.
试验结果发现在钙硫摩尔比为 2 2时可达到 90 %以上的脱硫效率 ,石灰石对脱硫程度的影响与加入炉内的石灰石量大小有关 ,CFB炉内物料石灰石浓度是评价石灰石脱硫效率的重要指标 ,炉膛上部的脱硫状况很大程度可能与SO2 的最终排放浓度有
4) fine limestone powder
微细石灰石粉末
1.
A physical model for the calcination of fine limestone powder using shrinkingcore model under nonsintering conditions was presented.
综合考虑了化学反应速率和二氧化碳扩散的影响,在没有烧结的条件下,采用收缩核模型,建立了微细石灰石粉末分解的物理模型,并利用它进行了数值计算。
5) Ultra-fine limestone powder
超细石灰石粉
1.
Ratio of water demand and mechanical properties of cement-based material containing ultra-fine limestone powder were researched,and mechanism of structure formation during hydration at early age was analyzed by means of electronic resistivity and X-ray diffraction of paste.
研究了超细石灰石粉水泥基胶凝材料需水量、力学性能,从电阻率和X射线衍射试验分析了超细石灰石粉水泥浆体水化初期结构形成机理。
6) ground quick lime
磨细生石灰
1.
From the collection of raw materials,process place and improvement of machining equipment,the paper discussed the ground quick lime process technology of raising efficiency,assuring quality and reducing cost.
从原材料选用、生产场地的选择和加工设备的改进着手 ,阐述了提高效率、保证质量、降低成本的磨细生石灰生产技术。
补充资料：石灰石
主要成分是碳酸钙，是由方解石组成的一种矿石，含有石英、白云石和粘土等杂质。因含有不同的杂质，颜色有灰白色、灰色、灰黑色、浅黄色，褐色或浅红色等，密度为2.2～2.9g/cm3。难溶于水。易溶于含二氧化碳的水中，生成可溶性的酸式碳酸钙。溶于盐酸放出二氧化碳。煅烧时生成生石灰和二氧化碳。用做建筑材料，烧制右灰，制造水泥、玻璃、纯碱和沉淀碳酸钙等。炼铁时用做熔剂。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条