高含硫伴生气胺法净化工艺模拟研究

杨凯翔; 张梦娇; 张起华; 刘炳成

doi:10.12434/j.issn.2097-2547.20240473

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高含硫伴生气胺法净化工艺模拟研究

更新时间：2025-05-08

- 高含硫伴生气胺法净化工艺模拟研究
- Study on process simulation of high-sulfur associated gas amine purification
- 低碳化学与化工 2025: 1-9.
- 作者机构：
  
  青岛科技大学机电工程学院，山东青岛 266061
- 作者简介：
  
  杨凯翔（2000—），硕士研究生，研究方向为环保新技术与装备，E-mail：kaixiang03@126.com。
  刘炳成（1975—），博士，教授，研究方向为环保新技术与装备，E-mail：bingchengL@163.com。
- 基金信息：
  
  国家能源集团2030重大项目先导项目(GJNY2030XDXM-19-12.4)
- DOI：10.12434/j.issn.2097-2547.20240473
  中图分类号： TQ028.2
- 收稿日期：2024-12-02，
  
  修回日期：2024-12-30，
  
  网络出版日期：2025-05-07，
- 稿件说明：
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杨凯翔,张梦娇,张起华等.高含硫伴生气胺法净化工艺模拟研究[J].低碳化学与化工,

YANG Kaixiang,ZHANG Mengjiao,ZHANG Qihua,et al.Study on process simulation of high-sulfur associated gas amine purification[J].Low-Carbon Chemistry and Chemical Engineering,
杨凯翔,张梦娇,张起华等.高含硫伴生气胺法净化工艺模拟研究[J].低碳化学与化工, DOI：10.12434/j.issn.2097-2547.20240473.

YANG Kaixiang,ZHANG Mengjiao,ZHANG Qihua,et al.Study on process simulation of high-sulfur associated gas amine purification[J].Low-Carbon Chemistry and Chemical Engineering, DOI：10.12434/j.issn.2097-2547.20240473.

摘要

传统酸气净化技术存在能耗高、羰基硫及H

S净化不达标等问题。利用Aspen工艺流程模拟软件，对添加了羰基硫催化水解装置的净化单元（醇胺法）进行优化，考察了溶液循环量、溶液进塔温度、吸收压力和填料高度等操作参数对气体净化效果和能耗的影响。结果表明，一定程度降低溶液循环量、溶液进塔温度、吸收压力和填料高度可以减少CO

吸收，从而提高商品气产率。在优化条件（溶液循环量262 m

/h、溶液进塔温度40 ℃、吸收压力4.5 MPa和填料高度15.5 m）下，可实现酸气中H

S完全脱除，出口净化气体中CO

含量（物质的量分数）降至2.95%，再生能耗控制在3.4 GJ/t，年节约低压蒸汽28.8 × 10

t，能耗显著降低。

Abstract

Traditional acid gas purification technologies face issues such as high energy consumption and failure to meet the purification standards for carbonyl sulfide (COS) and hydrogen sulfide (H

S). Using Aspen process flow simulation software

a purification unit (alkanolamine process) that incorporates a COS catalytic hydrolysis device was optimized. The effects of operating parameters such as solution circulation rate

solution inlet temperature

absorption pressure and packing height on gas purification efficiency and energy consumption were investigated. The results show that appropriately reducing the solution circulation rate

solution inlet temperature

absorption pressure and packing height can decrease CO

absorption

thereby improving the yield of the purified gas. Under optimize

d conditions (solution circulation rate of 262 m³/h

solution inlet temperature of 40 ℃

absorption pressure of 4.5 MPa and packing height of 15.5 m)

complete removal of H

S from acid gas was achieved. The CO

content (mole fraction) in the purified gas can be reduced to 2.95%

and the regeneration energy consumption can be controlled at 3.4 GJ/t. The annual savings in low-pressure steam amounted to 28.8 × 10⁴ t

leading to a significant reduction in energy consumption.

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references

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