变压吸附实验报告

变压吸附实验报告

篇一：分子筛变压吸附研究报告

院级本科生科技创新项目

研究报告

项目名称变压制富氧分子筛延长寿命的研究立项时间XX年10月

计划完成时间 XX年12月项目负责人储万熠

学院与班级冶金与生态工程学院冶金1302班

北京科技大学教务

摘要

变压吸附制氧关键的因素是制氧吸附剂和制氧工艺。制氧吸附剂的性能优劣和使用寿命直接影响产品气的氧浓度和收率，氮吸附容量是评价制氧吸附剂性能优劣的一项重要指标。本课题首先对分子筛进行XRF分析、XRD表征和TEM 表征探究分子筛的物理及化学性质，确定对分子筛造成影响的条件。

ANSYS FLUENT中的多孔介质模型可以模拟多孔介质内的流体流动、“三传一反”。PSA空分吸附床由固体吸附剂颗粒填充而成，气-固两相区可作为多孔介质，因此可基于多孔介质模型对变压吸附空分吸附床进行模拟，从而得到床层内气体的流动状态和组分浓度分布情况。为研究提高分子筛寿

命的研究提供可靠有效的实验数据。

Research of Prolong the Life of

Pressure-Swinging-Oxygen-Making Molecular Sieve Abstract

The keyfactorof thepressure swinging oxygen making is oxygen adsorbentandoxygenprocess. The quality and service life of oxygen adsorbentdirect impact on the oxygenconcentrationandyield of productgas, nitrogen adsorptioncapacity ofthe oxygensorbentperformanceevaluation ofthe meritsofan important indicator.This paperfirstdo XRFanalysis, XRDand

ofmolecular TEMcharacterization sieveinquiryto ofphysicalandchemicalproperties theimpact onmolecular determine

sievesconditions.

The porous medium model in ANSYS FLUENT can simulate fluid flow in porous media. PSA air separation adsorbent bed is filled by a solid sorbent particles, gas - solid two phase region as a porous medium, thus can simulate the pressure swing adsorption air

separation adsorbent bed based on the porous medium model, resulting in the flow state within the bed of gas and component concentration distribution for providing valid and reliable experimental data of improving molecular sieve’s life.

目录

1引言 ................................................ ................................................... (1)

1.1课题研究背景................................................. .. (1)

1.2课题研究目的及意义 ................................................ (1)

2原矿矿物学分析 ................................................ . (2)

2.1分子筛XRF分析 ................................................

(2)

2.2 分子筛XRD表征 ................................................ (3)

2.3 分子筛TEM表征 ................................................ .. (5)

2.4 分子筛孔隙率实验 ................................................ (6)

2.4.1 失活实验 ................................................ . (6)

2.4.2 活化实验 ................................................ . (6)

2.4.3 差热曲线 ................................................ . (7)

3 ANSYS FLUENT模拟 ................................................

(8)

3.1 模型建立 ................................................ (8)

3.2 模拟结果 ................................................ . (11)

.............................................. . (11)

3.2.2 速度云图 ................................................ . (11)

3.2.3 温度云图 ................................................ . (12)

4 FLUENT模拟结论 ................................................ . (12)

参考文献 ................................................ .. (12)