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normal style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; mso-outline-level: 1" align=center>表11 原矿矿物组成
normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>矿物 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>主要矿物 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>铁钛矿物 | ||||
normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>高岭石 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>埃洛石 normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>水云母 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>长石 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>石英 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>白云母 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>赤铁矿、褐铁矿、菱铁矿 normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>白钛矿、钛铁矿、金红石 | |
normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>含量,% | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>32~33 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>10 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>5 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>43 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>6.5~7 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>小量 |
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normal style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; mso-outline-level: 1" align=center>表12 原矿化学组成
normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>项目 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>Al2O3 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>SiO2 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>Fe2O3 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>TiO2 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>CaO | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>MgO | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>K2O | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>Na2O | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>灼减 |
normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>含量,% | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>19.53 normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>~20.04 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>65.47 normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>~69.06 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>0.40 normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>~1.30 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>0.25 normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>~0.58 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>0.08 normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>~0.17 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>0.057 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>0.18 normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>~5.10 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>0.08 normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>~0.15 | normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>5.85 normal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center; mso-outline-level: 1" align=center>~6.93 |
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normal style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; TEXT-INDENT: 26.25pt; mso-outline-level: 1"> (2)工艺流程和设备
normal style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; TEXT-INDENT: 26.25pt">矿石经捣浆分散、筛分、水力旋流器除砂,获得—20μm产品,再经离心分级、剥片、漂白、洗涤、浓缩脱除小于0.2μm微粒,然后过滤、干燥、磨粉,获得刮刀涂布级和填料级高岭土粉状产品。
normal style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; TEXT-INDENT: 26.25pt">为了保证产品质量,提高涂布级产品产率。流程中采用了剥片、离心分级等新技术。从国外引进了剥片机、卧式螺旋离心分级机、喷嘴喋片离心机、鼓式滚筒卸料真空过滤机、喷雾干燥机等先进设备。选矿厂主要工艺设备见表13。
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normal style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; TEXT-INDENT: 26.25pt; mso-outline-level: 1">(3)技术经济指标
normal style="MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; TEXT-INDENT: 26.25pt">因未正常生产,现将设计技术经济指标列于表14。中试产品质量列于表15。
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