5万吨年苯乙烯氧化制苯甲醛工艺设计+精馏塔计算(2)
Duty origin
This design aimed at acrylic Benzaldehyde requiring us to design a reasonable process and choose the corresponding process equipments based on the study of professional basic course. Its purpose is to improve the ability of solving practical problem of the chemical products production workshop design ability and master the basic methods and procedures through chemical process design, material constant calculate, heat balance calculation，equipment selection and calculation . Through this course design, we can also improve the ability of using the design drawing of the computer.
Principle of design and main design standard
Principle: Safe、Ease of operation:、Investment province、Be advantageous for the installment
Main design standard:
(1) data of small scale experimental
the conversion of styrene 83%
the volume ratio of CHP and styrene 2:1
benzaldehyde conversion rate 74.94%
selectivity of benzaldehyde 87%
(2) standard of the calculation
Makes the datum by 1 day, according to 100% purity for computation basis.
(3) Feeding conditions
sample C8H8 CHP H2O
Feeding ratio /mol 1 1.5 1.5
Key word：Styrene ；Benzaldehyde ；design ; Catalytic oxidation
目录
1 概述 1
1.1 苯甲醛的理化性质和应用 1
1.2 苯甲醛生产工艺简介 1
1.2.1 苄氯联合水解法 1
1.2.2 甲苯氧化法 2
1.3 市场需求及推广前景分析 3
1.4 我国苯甲醛生产现状 4
1.5 原料的性质 5
1.5.1 苯乙烯 5
1.5.2 过氧化氢异丙苯 6
1.6 本设计的主要任务和目标 8
1.6.1 设计的任务 8
1.6.2 设计的目标 8
1.6.3 生产工艺条件 8
2 工艺流程设计 9
2.1 工艺路线及其基本原理 9
2.1.1 工艺路线 9
2.1.2 基本原理 9
2.2 主要反应方程式 10
2.2.1 氧化反应 10
2.2.2 脱水反应 10
2.2.3 加氢反应 10
2.2.4 氧化反应 11
2.3 生产制说明及控制项目 11
2.4 工业安全 11
2.5 车间定员 12
3 物料衡算 13
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