
基本信息:
- 专利标题: 尿素醇解法生产碳酸二甲酯反应精馏塔
- 专利标题(英):Reaction rectifying tower for producing dimethyl carbonate by using urea alcoholysis method
- 申请号:CN200610089278.6 申请日:2006-08-15
- 公开(公告)号:CN1919400A 公开(公告)日:2007-02-28
- 发明人: 董满祥 , 田勇 , 李成贵 , 漆爱平 , 雍瑞生 , 蒙军 , 杨吉红 , 魏伟
- 申请人: 中国石油天然气股份有限公司
- 申请人地址: 北京市东城区安德路16号洲际大厦
- 专利权人: 中国石油天然气股份有限公司
- 当前专利权人: 中国石油天然气股份有限公司
- 当前专利权人地址: 北京市东城区安德路16号洲际大厦
- 代理机构: 北京市中实友知识产权代理有限责任公司
- 代理人: 李玉明
- 主分类号: B01D3/32
- IPC分类号: B01D3/32 ; B01J8/04 ; C07C68/00 ; C07C69/96
The invention discloses a reacting rectifying tower of dimethyl carbonate through urea alcoholysis method, which is composed of reacting segment and rectifying segment, wherein the insulating fixing bed is set on the upper end of reacting segment, the gas-phase carbinol inlet is set on the bottom of shell-and-tube fixing bed is gas phase carbinol inlet, which is liquid phase control area, one layer of liquid distributor is set on the shell-and-tube fixing bed, the circulating inlet is distributor, the upper part of circulating material inlet is carbinol inlet, whose upper part is insulating fixing bed and liquid distributor, the liquid distributor possesses liquid urea inlet, the lower end of separated segment is board-typed rectifying tower, which contains 20 blocks of tower ring, the twentieth, eighteenth and sixteenth blocks on the bottom of separating segment possess three outlets on the crude dimethyl carbonate side, the reflux is opened on the first tower board, the whole-condenser is set on the upper end of separating segment, whose top possesses ammonia gas outlet.
公开/授权文献:
- CN100404096C 尿素醇解法生产碳酸二甲酯反应精馏塔 公开/授权日:2008-07-23
IPC结构图谱:
B | 作业;运输 |
--B01 | 一般的物理或化学的方法或装置 |
----B01D | 分离 |
------B01D3/00 | 蒸馏或相关的在液体同气体介质相接触的过程中发生交换的方法,例如汽提 |
--------B01D3/14 | .分馏 |
----------B01D3/32 | ..分馏塔的其他特征 |