| 食用氯化钾生产工艺节能改造 |
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| 引用本文： | 张浩,祝桂林,李明达. 食用氯化钾生产工艺节能改造[J]. 无机盐工业, 2014, 46(2): 51 |
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| 作者姓名： | 张浩 祝桂林 李明达 |
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| 作者单位： | 1.连云港职业技术学院，江苏连云港 222006；2.连云港树人科创食品添加剂有限公司 |
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| 基金项目： | 江苏省科技型企业创新资金项目(BC2011152);连云港市成果转化专项资金项目(CA1304) |
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| 摘 要： | 在蒸发结晶法生产食用氯化钾工艺中，存在高能耗、高碳排放的问题。每生产1 t食用氯化钾需消耗2 t蒸汽，而80%的蒸汽消耗产生在氯化钾的结晶过程中。为了解决这个问题，利用DTB结晶器和MVR蒸汽压缩技术对结晶工艺进行了改造。结果表明：改造后工艺与原工艺相比，结晶工段蒸汽实现零消耗，总的蒸汽消耗降至0.4 t，蒸汽消耗减少80%，每1 t产品成本节约了 280元，以年产1万t食用氯化钾计，生产系统可节约成本 280万元；同时，二氧化碳的排放量也比过去减少80%以上，实现了节能减排的目的。
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| 关 键 词： | 食用氯化钾工艺 节能 改造 |
Energy saving reconstruction for edible potassium chloride production technology |
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| ZHANG Hao,ZHU Gui-Lin,LI Ming-Da. Energy saving reconstruction for edible potassium chloride production technology[J]. Inorganic Chemicals Industry, 2014, 46(2): 51 |
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| Authors: | ZHANG Hao ZHU Gui-Lin LI Ming-Da |
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| Affiliation: | 1.Lianyungang Technical College，Lianyungang 222006，China；2.Lianyungang Shuren Kechuang Food Additives Co.，Ltd. |
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| Abstract: | There are the problems of high energy consumption and high carbon emission in the production technology of edible potassium chloride by evaporation crystallization process.1 t edible potassium chloride product will consume 2 t steam， and 80% of the steam consumption is in the crystallization process of potassium chloride.In order to solve these problems， DTB crystallizer and MVR steam compressor technologies were used on the process.Results showed that: compared with the original technology，crystallization process realized steam zero consumption after the transformation；the total steam consumption was reduced to 0.4 t，and steam consumption reduced by 80%；280 Yuan cost was saved per 1 t product; with an annual output of 10 000 t edible potassium chloride， annual cost savings of production system was up to 2.8 million Yuan；at the same time，carbon dioxide emission also reduced by more than 80%，and therefore the purpose of energy saving and emission reduction was achieved. |
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| Keywords: | edible potassium chloride technology energy saving reconstruction |
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