Lower Explosive Limit

简明释义

爆炸下限

英英释义

The lowest concentration of a gas or vapor in air that can ignite and cause an explosion when exposed to an ignition source.

在空气中能够点燃并引起爆炸的气体或蒸汽的最低浓度,当其接触到点火源时。

例句

1.Before starting the experiment, we need to check the Lower Explosive Limit (下限爆炸极限) of the gas we are using.

在开始实验之前,我们需要检查我们使用的气体的下限爆炸极限

2.The Lower Explosive Limit (下限爆炸极限) is crucial for designing safe industrial processes.

对于设计安全的工业过程来说,下限爆炸极限至关重要。

3.An explosion can occur if the concentration of gas exceeds the Lower Explosive Limit (下限爆炸极限).

如果气体浓度超过下限爆炸极限,可能会发生爆炸。

4.When handling flammable materials, always be aware of the Lower Explosive Limit (下限爆炸极限) to prevent accidents.

在处理易燃材料时,始终要注意下限爆炸极限以防止事故发生。

5.The safety officer reminded everyone that the Lower Explosive Limit (下限爆炸极限) for methane is 5% in air.

安全官提醒大家,甲烷的下限爆炸极限为空气中5%。

作文

The concept of the Lower Explosive Limit (LEL) is critical in the field of safety and hazard management, particularly in industries that handle flammable substances. The Lower Explosive Limit refers to the minimum concentration of a gas or vapor in air that can ignite and cause an explosion when exposed to an ignition source. Understanding this limit is essential for preventing accidents and ensuring the safety of workers and the environment.In many industrial settings, such as oil refineries, chemical plants, and mining operations, various gases and vapors are present. Each of these substances has its own specific Lower Explosive Limit. For instance, methane has an LEL of approximately 5% in air, meaning that if the concentration of methane falls below this level, it will not ignite, regardless of the presence of an ignition source. Conversely, if the concentration exceeds this percentage, the risk of explosion significantly increases.Monitoring the Lower Explosive Limit is crucial for safety protocols. Industries often employ gas detection systems that continuously measure the concentration of flammable gases in the air. These systems are designed to trigger alarms when the concentration approaches the LEL, allowing workers to take immediate action to mitigate risks. It is also important for companies to implement proper ventilation systems to prevent the accumulation of flammable vapors, thereby keeping concentrations below the Lower Explosive Limit.Training employees about the importance of the Lower Explosive Limit is another vital aspect of safety management. Workers must understand how to recognize the signs of potential hazards and the procedures to follow in case of a gas leak. Regular drills and safety meetings can help reinforce this knowledge and ensure that everyone is prepared to respond effectively to emergencies.In addition to its role in workplace safety, the Lower Explosive Limit is also relevant in environmental assessments. When evaluating the impact of industrial activities on surrounding communities, understanding the LEL of emitted gases helps in assessing the potential risks to public health and safety. Regulatory agencies often require companies to report their emissions and demonstrate compliance with safety standards related to explosive limits.Furthermore, advancements in technology have led to improved methods for detecting and measuring the Lower Explosive Limit. Modern gas detectors are more sensitive and can provide real-time data to operators, enhancing their ability to maintain safe working conditions. These innovations contribute to a safer work environment and reduce the likelihood of catastrophic incidents.In conclusion, the Lower Explosive Limit is a fundamental concept in the management of flammable materials. Understanding and monitoring this limit is essential for ensuring workplace safety, protecting the environment, and safeguarding public health. By implementing effective detection systems, training employees, and adhering to regulatory standards, industries can significantly reduce the risks associated with explosive gases and create a safer working environment for all.

“下限爆炸极限”(Lower Explosive Limit,简称LEL)这一概念在安全和危害管理领域至关重要,特别是在处理易燃物质的行业中。“下限爆炸极限”指的是空气中气体或蒸汽能够点燃并在接触到点火源时引起爆炸的最低浓度。理解这一极限对于防止事故和确保工人及环境的安全至关重要。在许多工业环境中,如石油精炼厂、化工厂和矿业作业,各种气体和蒸汽都存在。这些物质每一种都有其特定的“下限爆炸极限”。例如,甲烷的下限爆炸极限约为5%,这意味着如果甲烷的浓度低于这个水平,无论存在何种点火源,都不会发生点燃。相反,如果浓度超过这一百分比,爆炸的风险将显著增加。监测“下限爆炸极限”是安全协议中的关键。在工业中,通常会采用气体检测系统,持续测量空气中易燃气体的浓度。这些系统设计为在浓度接近下限爆炸极限时触发警报,使工人可以立即采取措施以降低风险。公司还应实施适当的通风系统,以防止易燃蒸汽的积聚,从而保持浓度低于“下限爆炸极限”。培训员工了解“下限爆炸极限”的重要性是安全管理的另一个重要方面。工人必须了解如何识别潜在危害的迹象以及在气体泄漏情况下应遵循的程序。定期进行演练和安全会议可以帮助强化这些知识,确保每个人都做好有效应对紧急情况的准备。除了在工作场所安全中的作用外,“下限爆炸极限”在环境评估中也具有相关性。在评估工业活动对周边社区的影响时,了解排放气体的下限爆炸极限有助于评估对公共健康和安全的潜在风险。监管机构通常要求公司报告其排放情况,并证明其遵守与爆炸极限相关的安全标准。此外,技术的进步导致了检测和测量“下限爆炸极限”的方法的改进。现代气体探测器更加敏感,能够向操作员提供实时数据,从而增强他们维护安全工作条件的能力。这些创新有助于创造更安全的工作环境,并减少灾难性事件发生的可能性。总之,“下限爆炸极限”是管理易燃材料的基本概念。理解和监测这一极限对于确保工作场所安全、保护环境和保障公众健康至关重要。通过实施有效的检测系统、培训员工以及遵循监管标准,行业可以显著降低与爆炸性气体相关的风险,为所有人创造一个更安全的工作环境。

相关单词

explosive

explosive详解:怎么读、什么意思、用法