| 窑法磷酸生产的旋窑制气试验研究 |
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| 引用本文： | 邱礼有 江礼科. 窑法磷酸生产的旋窑制气试验研究[J]. 化学反应工程与工艺, 1993, 9(1): 90-97 |
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| 作者姓名： | 邱礼有 江礼科 |
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| 作者单位： | 成都科技大学化工系，成都科技大学化工系 成都 610065，成都 610065 |
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| 摘 要： | 以清平和中低品位金河磷矿为原料，研究了窑法制磷酸磷矿炭热还原过程的规律。在小型旋窑内进行了旋窑制气试验，弄清了在同一旋窑内磷矿还原与磷蒸气氧化时，分别要求还原和氧化气 氛的矛盾，以及型料熔结产生窑圈的实质。找到了解决的途径和方法，考查了旋窑制气工艺，测定了有关工艺和设备设计参数。
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| 关 键 词： | 还原 磷酸 回转窑 |
INVESTIGATION ON KILN GAS PRODUCTION IN A ROTARY KILN FOR THE KPA PROCESS |
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| Qiu Liyou Jiang Like. INVESTIGATION ON KILN GAS PRODUCTION IN A ROTARY KILN FOR THE KPA PROCESS[J]. Chemical Reaction Engineering and Technology, 1993, 9(1): 90-97 |
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| Authors: | Qiu Liyou Jiang Like |
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| Abstract: | The thermal reduction processes of the Qing Ping phosphate ore and the Jin He Low- and midquality phosphate ore by carbon in rotary kiln for the production of phosphoric acid (the KPA protess) were investigated. The test of gas production was carried out in a small rotary kiln. More details about different atmosphere requirements of the reduction of phosphorate and the oxidation of phosphorous vapor in the same kiln were revealed. The reason for the clinkering and ring-formation during the melting of shaped solid feed were clarified, and the for solving methods these problems were suggested. At last, the technology of producing kiln gas was explored and the design parameters for the process and installation were measured. |
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| Keywords: | Rotary kiln Phosphate ore reduction Phosphoric acid |
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