年产5万吨邻苯二甲酸二辛酯(DOP)生产初步设计

摘要

邻苯二甲酸二辛酯

,

简称

DOP

。分

子

式：

24

H

38

4

是重要的通用型增塑剂，

是目前国内外用量最大的增塑剂之一，

广泛用于橡胶、

塑料和医药工业用途广泛，

在国民经济中占有十分重要的地位。经过分析比较各种生产原 料、合成工艺后，

本设计工艺流程是采用串联多釜反应器连续酯化技术，

催化剂是采用氧化铝与辛

酸亚锡以

1

< br>：

1

比例复配催化剂年产

5

万吨邻苯二甲酸二辛酯，以满足国内需求。

本设计遵循“技术成熟，工艺先进、设备配置科学、环保安全、经济效益”

等原则，< /p>

在比较国内外各种先进生产方法、

工艺流程和设备配置基础上，< /p>

选用是

从苯酐和异辛醇出发经过酯化反应、

脱醇、

精制得到产品的工艺路线生产邻苯二

甲酸二辛酯。

设计的重点是生产工艺设计论证、

工艺计算及设备设计选型，

附有

带控制点的工艺流程图，

主要生产设备结 构尺寸图，

生产车间的设备配置图。

最

后部分考虑环境保护和劳动安全，

以达到减少

“三废”

排放，

加强

“三废”

治 理，

确保安全生产，消除并尽可能减少工厂生产对职工的伤害。

关键词

：

DOP

异辛醇

苯酐

工艺设计

工艺计算

设备选型

1

Abstract

Dioctyl

phthalate

,referred

to

as

DOP,

Molecular

Formula:

C

24

H

38

O

4

.It

is

important

to

general-purpose

plasticizer

and

has

become

the

largest

amount

used

of

plasticizerthe

at

home

and abroad,

now it is

widely used

in rubber, plastics and

pharmaceutical

industry,

plays

an

important

role

in

the

national

economy.

After

analysis

and

comparison

of

various

raw

materials,

synthesis,

the

design

process

is

the

use

of

multi-tank

reactors

in

series

continuous

esterification

technology, the catalyst is alumina with a 1:1 ratio of Sn

catalyst

compound

annual

output

of

100,000

tons

Dioctyl

phthalate, to meet domestic demand.

The

design

follows

the

technology,

advanced

technology,

equipment

configuration

scientific,

environmental

safety, economic efficiency,

After

comparing

domestic

and

foreign

advanced

production

methods,

process

and

equipment

configuration

,

the

choices

are

starting

from

phthalic

anhydride

and

iso-octanol

after

esterification,

de

alcohol,

refined

by

product

line

production

process

octyl

phthalate. Design

for

production

process

design

argument,

the

design

of

facilities

and

process

selection,

with

a

flow

chart

with

control

points,

the

main

production

equipment

2

and size chart,

workshop equipment

configuration diagram.

The

last part is about environmental protection and labor safety,

in

order

to

achieve

reduction

of

the

wastes

emissions,

strengthen

the

wastes

treatment,

to

ensure

safe

production purposes.

Key word:

DOP Ethylhexanol Phthalic Process Design

Process Calculation Equipment Selection

3

目录

一．总论

........................ ...............................

7

1

．概述

. .................................................. .

7

1.1

增塑剂

DOP

的性质

....................................

7

1.2

产品用途

............................................

7

1.3

DOP

在国民经济中的重要性

............................

7

1.4

DOP

的市场需求

......................................

8

2

．设计的目的和意义

........................................

8

3

．设计依据和原则

..........................................

8

3.1

设计依据

............................................

8

3.2

设计原则

............................................

8

4

．设计范围

................................................

9

5

．

DO P

生产能力及产品质量标准

................ ...............

9

5.1