分子筛氧气浓缩器多因素退化试验设计

孙宏达; 景博; 章余; 焦晓璇

doi:10.13700/j.bh.1001-5965.2021.0339

分子筛氧气浓缩器多因素退化试验设计

doi: 10.13700/j.bh.1001-5965.2021.0339

孙宏达^{1, 2,},
景博¹,
章余¹,
焦晓璇^1, ,

1.
空军工程大学航空工程学院，西安 710038
2.
中国人民解放军 93032部队，延吉 136200

基金项目: “十三五”专用技术项目(3030507-2)

详细信息

通讯作者:
E-mail：564325155@qq.com

中图分类号: V240.2；R852.82
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- 文章访问数: 198
- HTML全文浏览量: 60
- PDF下载量: 16
- 被引次数: 0
出版历程
- 收稿日期: 2021-06-21
- 录用日期: 2021-12-23
- 网络出版日期: 2022-03-03
- 整期出版日期: 2023-04-30

Multi-factor degradation test design for molecular sieve oxygen concentrator

SUN Hongda^{1, 2
,},
JING Bo¹,
ZHANG Yu¹,
JIAO Xiaoxuan^{1
, ,}

1.
Aviation Engineering School，Air Force Engineering University，Xi’an 710038，China
2.
Unit 93032 of PLA，Yanji 136200，China

Funds: Special Technical Projects for the 13th Five-Year Plan (3030507-2)

More Information

Corresponding author: E-mail：564325155@qq.com

摘要

摘要:
针对分子筛氧气浓缩器（MSOC）退化试验（DT）研究不足及分子筛床（MSB）退化失效影响因素不明确的情况，提出了一种基于正交试验的氧气浓缩器退化试验设计方法。在分析氧气浓缩器工作原理的基础上，确定了造成分子筛床退化失效的主要因素，并搭建了分子筛氧气浓缩器退化试验系统，通过多组对照试验确定并验证了退化试验的最佳试验高度为9 km；基于正交试验思想设计了分子筛氧气浓缩器退化试验方案，采用9组典型试验即可获得各因素的影响结果，减少了试验次数，降低了试验成本，提高了耦合试验的效率。该试验设计可以模拟受试设备的真实工作环境，并可有效降低试验因素变化对试验结果初值的影响。
- 分子筛 /
- 氧气浓缩器 /
- 退化试验 /
- 正交试验 /
- 耦合试验
Abstract:
For lack of research on degradation test (DT) for molecular sieve oxygen concentrator (MSOC) and clear account of the factors causing degradation failure of molecular sieve bed (MSB), a DT design method of MSOC based on orthogonal test was proposed. Based on the working principle of MSOC, the main factors causing degradation failure of MSB were determined, and a DT system of the MSOC was built. The optimal test height for the DT was 9 km, as was determined and verified by several controlled tests. A DT scheme of MSOC was designed based on the orthogonal test idea. The influence of various factors could be obtained through 9 typical tests, which reduced the test times and costs, and improved the efficiency of coupling tests. The test design can simulate the real working environment, and can effectively reduce the impact of test factors on the initial value of the test results.
- molecular sieve /
- oxygen concentrator /
- degradation test /
- orthogonal test /
- coupling test

HTML全文

图 1 某型氧气浓缩器实物图

Figure 1. Physical picture of oxygen concentrator

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图 2 氧气浓缩器原理

Figure 2. Schematic diagram of oxygen concentrator

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图 3 故障实物图

Figure 3. Fault diagram

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图 4 氧气浓缩器故障原因百分比

Figure 4. Percentage of oxygen concentrator failure

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图 5 分子筛氧气浓缩器退化试验系统

Figure 5. Degradation test system of molecular sieve oxygen concentrator

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图 6 试验流程

Figure 6. Test process

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图 7 氧浓度随试验高度和引气压力变化曲线

Figure 7. Curves of oxygen concentration with test height and air pressure

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图 8 氧浓度随试验高度和引气温度变化曲线

Figure 8. Curves of oxygen concentration with test height and air temperature

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图 9 氧浓度随试验高度和含湿量变化曲线

Figure 9. Curves of oxygen concentration with test height and moisture content

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图 10 各因素水平组合下氧浓度值

Figure 10. Oxygen concentration under factors of different levels

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图 11 试验剖面

Figure 11. Test profile

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表 1 各因素水平

Table 1. Factors of different levels

水平等级引气压力/MPa 引气温度/℃ 含湿量/(g·kg⁻¹)

低 0.14 15 8
中 0.8 30 15
高 1.2 50 22

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表 2 正交试验方案

Table 2. Orthogonal test scheme

试验序号引气压力/MPa 引气温度/℃ 含湿量/(g·kg⁻¹)

1 0.14 15 8
2 0.14 30 15
3 0.14 50 22
4 0.8 15 15
5 0.8 30 22
6 0.8 50 8
7 1.2 15 22
8 1.2 30 8
9 1.2 50 15

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