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According to the design of the scale of production, of neutralization tank, the alkali prepared tank, dispersion medium mixing tank, polymerization reaction kettle of the material balance and finishing, obtained in various stages of production process in the process of input and output, the ratio of raw materials and corresponding quality. Also in order to select the optimum operation conditions, develop both economic and reasonable energy consumption scheme, of complex alkali process and neutralization process, polymerization reaction process the input heat and output of heat were heat balance. Finally, we have carried out the calculation and selection of the main equipment, including the height of each kettle, the determination of inner diameter, the size of the jacket, and the separation and drying equipment.. Through investigation, the main types and manufacturers of process equipment and accessories are determined..
According to an annual output of 4000 tons of sodium polyacrylate process design of the
layout design of the workshop, the design workshop features higher monolayer design, and using easy installation and disassembly mobile operating platform steel instead of concrete operation table can better meet the process. This design also takes into account the environmental protection aspects.. In the production process, the waste water and the noise emissions are strict requirements. This design scale for the annual production of sodium polyacrylate 4000 tons, according to the annual 2 days, every day 8 classes, a class of 330 hours of production, a class can produce two batches, each batch of output is 3030.30kg.
This design by the teacher Xu Chunhua, in the whole process design process many teachers made a lot of valuable comments, in this express heartfelt thanks. Through the whole design process of the system training, I have a comprehensive understanding of the production process and application of sodium polyacrylate, which will lay the foundation for the future work.. Because of wide knowledge of polyacrylic acid sodium production process design, and my limited knowledge and experience of, design errors and inappropriate, ask examines teacher criticism and corrections.
KeyWords: Sodium polyacrylate; industrial design; material balance; heat balance; equipment selection
目录
1 文献综述 1
1.1聚丙烯酸钠的性能和应用 1
1.1.1聚丙烯酸钠的性能 1
1.1.2聚丙烯酸钠的应用 2
1.2聚丙烯酸钠的研究现状与发展前景 2
1.2.1聚丙烯酸钠的研究现状 2
1.2.2聚丙烯酸钠的发展前景 3
2 聚丙烯酸钠的生产工艺流程设计 4
2.1聚丙烯酸钠的生产工艺流程概述 4
2.2聚丙烯酸钠的工艺流程确定 5
2.3工艺控制因素及控制条件的设计 6
2.3.1分散剂及分散助剂的选择与设计 6
2.3.2引发体系及引发剂的选择与设计 7
2.3.3单体浓度的选择与设计 7
2.3.4链转移剂的选择与设计 8
2.3.5搅拌速度的选择与设计 8
2.3.6中和度的选择与设计 8
2.4聚丙烯酸钠的生产工艺流程图及流程概述 10
2.5建厂规模及产品规格 10
2.6.1 建厂规模 10
2.6.2 产品规格 10
2.7原料主要技术规格、供应及消耗定额 11
2.7.1原料规格及用量` 11
2.7.2原料消耗定额 11
3物料衡算与热量衡算 12
3.1物料衡算 12
3.2热量衡算 15
3.2.1配碱工序 16
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