技术交流 › 铸造论坛 › 铸造用铬铁矿砂

HEATS 发表于 2010-9-12 19:08:08

铸造用铬铁矿砂

<DIV align=center><STRONG>铬铁矿砂按物化性能分级</STRONG></DIV>
<DIV align=center>
<TABLE cellSpacing=0 cellPadding=0 align=center border=1>
<TBODY>
<TR>
<TD vAlign=top>
<DIV>等级</DIV></TD>
<TD vAlign=top>
<DIV>ω（Cr<FONT face="Times New Roman">2<FONT size=3> O</FONT>3</FONT>）(%)</DIV></TD>
<TD vAlign=top>
<DIV>ω(SiO2)(%)</DIV></TD>
<TD vAlign=top>
<DIV>ω(CaO)(%)</DIV></TD>
<TD vAlign=top>
<DIV>ω(灼烧减量)（%）</DIV></TD>
<TD vAlign=top>
<DIV>耐火度/℃</DIV></TD>
<TD vAlign=top width=16>
<DIV>ω(水)(%)</DIV></TD></TR>
<TR>
<TD vAlign=top>
<DIV>1</DIV></TD>
<TD vAlign=top>
<DIV>≥45</DIV></TD>
<TD vAlign=top>
<DIV>≤3</DIV></TD>
<TD vAlign=top>
<DIV>≤1</DIV></TD>
<TD vAlign=top>
<DIV>≤0.5</DIV></TD>
<TD vAlign=top rowSpan=2>
<DIV>1600～1800</DIV></TD>
<TD vAlign=top width=16 rowSpan=2>
<DIV>≤0.5</DIV></TD></TR>
<TR>
<TD vAlign=top>
<DIV>2</DIV></TD>
<TD vAlign=top>
<DIV>≥35</DIV></TD>
<TD vAlign=top>
<DIV>≤5</DIV></TD>
<TD vAlign=top>
<DIV>≤2</DIV></TD>
<TD vAlign=top>
<DIV>≤1.0</DIV></TD></TR></TBODY></TABLE></DIV>
<DIV align=center><STRONG></STRONG></DIV>
<DIV align=center><STRONG>铬铁矿砂按粒度分组</STRONG></DIV>
<DIV align=center>
<TABLE cellSpacing=0 cellPadding=0 align=center border=1>
<TBODY>
<TR>
<TD vAlign=top>
<DIV>序号</DIV></TD>
<TD vAlign=top>
<DIV>筛号</DIV></TD>
<TD vAlign=top>
<DIV>筛孔尺寸/mm</DIV></TD>
<TD vAlign=top>
<DIV>3筛余留量之和</DIV>
<DIV>（质量分数，%）</DIV></TD>
<TD vAlign=top>
<DIV>中间筛余留量</DIV>
<DIV>（质量分数，%）</DIV></TD>
<TD vAlign=top>
<DIV>底盘余留量</DIV>
<DIV>（质量分数，%）</DIV></TD></TR>
<TR>
<TD vAlign=top>
<DIV>1</DIV></TD>
<TD vAlign=top>
<DIV>50/100</DIV></TD>
<TD vAlign=top>
<DIV>0.300、0.212、0.150</DIV></TD>
<TD vAlign=top rowSpan=3>
<DIV align=center>≥75</DIV></TD>
<TD vAlign=top rowSpan=3>
<DIV align=center>≥25</DIV></TD>
<TD vAlign=top rowSpan=3>
<DIV align=center><2</DIV></TD></TR>
<TR>
<TD vAlign=top>
<DIV>2</DIV></TD>
<TD vAlign=top>
<DIV>70/140</DIV></TD>
<TD vAlign=top>
<DIV>0.212、0.150、0.106</DIV></TD></TR>
<TR>
<TD vAlign=top>
<DIV>3</DIV></TD>
<TD vAlign=top>
<DIV>100/200</DIV></TD>
<TD vAlign=top>
<DIV>0.150、0.106、0.075</DIV></TD></TR></TBODY></TABLE></DIV>
<DIV align=center><STRONG></STRONG>&nbsp;</DIV>
<DIV align=center><STRONG></STRONG>&nbsp;</DIV>
<DIV align=center><STRONG></STRONG>&nbsp;</DIV>
<DIV align=center><STRONG></STRONG>&nbsp;</DIV>
<DIV align=center><STRONG>国内铬铁矿砂的化学成分（质量分数，%）</STRONG></DIV>
<DIV align=center>
<TABLE cellSpacing=0 cellPadding=0 align=center border=1>
<TBODY>
<TR>
<TD vAlign=top>
<DIV>产&nbsp; 地</DIV></TD>
<TD vAlign=top>
<DIV align=center><FONT face="Times New Roman"><FONT size=3>Cr </FONT>2<FONT size=3> O</FONT>3 </FONT></DIV></TD>
<TD vAlign=top>
<DIV>SiO2</DIV></TD>
<TD vAlign=top>
<DIV>CaO</DIV></TD>
<TD vAlign=top>
<DIV>ΣFe</DIV></TD></TR>
<TR>
<TD vAlign=top>
<DIV>陕西商南（精矿）</DIV></TD>
<TD vAlign=top>
<DIV>50.20</DIV></TD>
<TD vAlign=top>
<DIV>1.50</DIV></TD>
<TD vAlign=top>
<DIV>0.64</DIV></TD>
<TD vAlign=top>
<DIV>26.28</DIV></TD></TR>
<TR>
<TD vAlign=top>
<DIV>陕西商南（原矿）</DIV></TD>
<TD vAlign=top>
<DIV>34.19</DIV></TD>
<TD vAlign=top>
<DIV>6.76</DIV></TD>
<TD vAlign=top>
<DIV>0.91</DIV></TD>
<TD vAlign=top>
<DIV>—</DIV></TD></TR>
<TR>
<TD vAlign=top>
<DIV>西藏东风矿</DIV></TD>
<TD vAlign=top>
<DIV>48.83</DIV></TD>
<TD vAlign=top>
<DIV>3.83</DIV></TD>
<TD vAlign=top>
<DIV>&shy;—</DIV></TD>
<TD vAlign=top>
<DIV>12.48</DIV></TD></TR>
<TR>
<TD vAlign=top>
<DIV>内蒙锡矿</DIV></TD>
<TD vAlign=top>
<DIV>23.62</DIV></TD>
<TD vAlign=top>
<DIV>16.52</DIV></TD>
<TD vAlign=top>
<DIV>0.57</DIV></TD>
<TD vAlign=top>
<DIV>1.40</DIV></TD></TR>
<TR>
<TD vAlign=top>
<DIV>新疆托里</DIV></TD>
<TD vAlign=top>
<DIV>30.91</DIV></TD>
<TD vAlign=top>
<DIV>9.93</DIV></TD>
<TD vAlign=top>
<DIV>1.28</DIV></TD>
<TD vAlign=top>
<DIV>12.99</DIV></TD></TR>
<TR>
<TD vAlign=top>
<DIV>北京密云</DIV></TD>
<TD vAlign=top>
<DIV>34.71</DIV></TD>
<TD vAlign=top>
<DIV>10.45</DIV></TD>
<TD vAlign=top>
<DIV>6.33</DIV></TD>
<TD vAlign=top>
<DIV>28.34</DIV></TD></TR></TBODY></TABLE></DIV>
               

查看完整版本: 铸造用铬铁矿砂