低温工况甲烷最小点火能实验研究

赵翔宇; 李洪波; 李自力; 崔淦; 付阳

doi:10.11883/bzycj-2016-0218

低温工况甲烷最小点火能实验研究

doi: 10.11883/bzycj-2016-0218

赵翔宇^{1, 2, 3},
李洪波^{1, 2, 3, ,},
李自力^{1, 2, 3},
崔淦^{1, 2, 3},
付阳⁴

1.
中国石油大学(华东)，山东青岛 266580
2.
山东省油气储运安全省级重点实验室，山东青岛 266580
3.
青岛市环海油气储运技术重点实验室，山东青岛 266580
4.
中国航空油料有限责任公司山东分公司，山东济南 250107

详细信息

作者简介:
赵翔宇(1991-)，男，硕士研究生

通讯作者:
李洪波，lihongbo@upc.edu.cn

中图分类号: O381
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- 被引次数: 17
出版历程
- 收稿日期: 2016-07-21
- 修回日期: 2016-08-31
- 刊出日期: 2018-03-25

Experimental study on the minimum ignition energy of methane at low temperature

ZHAO Xiangyu^{1, 2, 3},
LI Hongbo^{1, 2, 3
, ,},
LI Zili^{1, 2, 3},
CUI Gan^{1, 2, 3},
FU Yang⁴

1.
China University of Petroleum (East China), Qingdao 266580, Shandong, China
2.
Shandong Provincial Key Laboratory of Oil & Gas Storage and Transportation Safety, Qingdao 266580, Shandong, China
3.
Qingdao Key Laboratory of Circle Sea Oil & Gas Storage and Transportation Technology, Qingdao 266580, Shandong, China
4.
Shandong Branch, China National Aviation Fuel, Jinan 116023, Shandong, China

摘要

摘要: 为探索低温工况下甲烷的爆炸特性，利用自行构建的实验装置，测试了温度为-90~0 ℃、压力为0.1~0.5 MPa的条件下甲烷的最小点火能。研究表明：在研究范围内，随着压力的升高，甲烷的最小点火能减小，且低压时甲烷最小点火能随初始压力的增高减小较快，高压时减小较慢；随着温度的升高，甲烷最小点火能也减小，且低压时甲烷最小点火能随初始温度的增高减小较快，高压时减小较慢；甲烷的最小点火能分别与压力平方的倒数、温度的倒数呈近似线性关系。
- 甲烷 /
- 最小点火能 /
- 低温 /
- 压力
Abstract: In this paper, we tested the minimum ingition energy (MIE) of methane at low temperature using an experimental apparatus fabricated by ourselves to characterize the explosion of methane at a low temperature ranging from -90 to 0 ℃ and under a pressure ranging from 0.1 to 0.5 MPa. It was found that, within the scope of the study, as the pressure increases, the MIE of methane decreases and does so faster with the increase of the initial pressure under low pressure but more slowly under high pressure; as the temperature increases, the MIE of methane also decreases and does so faster with the increase of the initial temperature at low pressure but more slowly under high pressure; the MIE of methane is approximately linear with the reciprocal of the square of the pressure and the that of the temperature.
- methane /
- MIE /
- temperature /
- pressure

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图 1 实验装置示意图

Figure 1. Schematic diagram of the experimental device

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图 2 点火电路

Figure 2. Ignition circuit

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图 3 点火时间-电流-电压曲线

Figure 3. Ignition time-current-voltage curve

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图 4 电极间隙对储存最小点火能的影响

Figure 4. Effect of electrode gap on storage MIE

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图 5 当量比对储存最小点火能的影响

Figure 5. Effect of equivalence ratio on storage MIE

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图 6 甲烷爆炸压力-时间采集曲线

Figure 6. Pressure-time acquisition curve of methane explosion

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图 7 计算结果与积分结果

Figure 7. Calculated value and the integral value

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图 8 压力对于最小点火能的影响

Figure 8. Effect of pressure on MIE

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图 9 压力与最小点火能的关系

Figure 9. Relationship between pressure and MIE

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图 10 温度对于最小点火能的影响

Figure 10. Effect of temperature on MIE

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图 11 温度与最小点火能的关系

Figure 11. Relationship between temperature and MIE

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表 1 本研究结果与其他研究结果对比

Table 1. Comparison of this research result with other research results

来源	E_m/mJ	不确定度	温度/K	压力/MPa	当量比
文献[4]	0.280	\	300	0.1	1
文献[14]	0.500	\	300	0.1	1
文献[13]	0.330	\	300	0.1	1
文献[15]	0.263	\	300	0.1	1
本文	0.49	±0.025	300	0.1	1

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表 2 最小点火能测试结果及标准偏差

Table 2. MIE test results and standard deviation

压力/MPa	E_m/mJ				不确定度
压力/MPa	183 K	213 K	243 K	273 K	183 K	213 K	243 K	273 K
0.1	0.880	0.720	0.650	0.560	0.0160	0.0160	0.0220	0.0280
0.3	0.102	0.080	0.076	0.068	0.0070	0.0080	0.0110	0.0160
0.5	0.037	0.034	0.030	0.026	0.0014	0.0060	0.0100	0.0090

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