| 热法磷酸水化塔热平衡及热利用效率分析计算 |
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| 引用本文： | 王政伟,李晓博,梁慧力,李佩萤. 热法磷酸水化塔热平衡及热利用效率分析计算[J]. 无机盐工业, 2020, 52(11): 95-98. DOI: 10.11962/1006-4990.2019-0645 |
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| 作者姓名： | 王政伟 李晓博 梁慧力 李佩萤 |
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| 作者单位： | 常州大学,江苏常州 213164 |
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| 基金项目： | 江苏省研究生科研与实践创新计划项目(SJX18_0966) |
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| 摘 要： | 针对现有热法磷酸二步法水化塔存在余热未被利用的问题,提出水化塔余热利用方案及装置。根据能量平衡得到水化塔的能流图,建立水化塔的热平衡方程式,得到水化塔的热效率正反平衡、塔内换热量、产汽量和各项热损失的计算式,分析了提高水化塔热利用效率的技术措施,并进行实例计算。
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| 关 键 词： | 热法磷酸 水化塔 热平衡 热利用效率 |
| 收稿时间： | 2020-05-18 |
Analysis and calculation of heat balance and heat utilization efficiency in hydration tower of thermal phosphoric acid |
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| Wang Zhengwei,Li Xiaobo,Liang Huili,Li Peiying. Analysis and calculation of heat balance and heat utilization efficiency in hydration tower of thermal phosphoric acid[J]. Inorganic Chemicals Industry, 2020, 52(11): 95-98. DOI: 10.11962/1006-4990.2019-0645 |
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| Authors: | Wang Zhengwei Li Xiaobo Liang Huili Li Peiying |
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| Affiliation: | Changzhou University,Changzhou 213164,China |
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| Abstract: | Aiming at the problem that the waste heat of the hydration tower of two-step thermal phosphoric acid process was notutilized,a waste heat utilization scheme and device for the hydration tower was proposed.According to the energy balance,the energy flow chart of the hydration tower was obtained,and the heat balance equation of the hydration tower was established.The calculation formula of the thermal efficiency positive and negative balance of the hydration tower,the heat exchange amount in the tower,the steam production and various heat losses were obtained.Technical measures to im-prove the heat utilization efficiency of the hydration tower were analyzed and an example calculation was conducted. |
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| Keywords: | thermal process phosphoric acid hydration tower heat balance heat utilization efficiency |
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