lower explosive limit

简明释义

低爆炸限制

英英释义

例句

1.Workers must wear protective gear when operating in areas where the lower explosive limit (下限爆炸极限) might be exceeded.

工人在可能超过下限爆炸极限的区域作业时必须穿戴防护装备。

2.Regular monitoring of air quality is essential to ensure it remains below the lower explosive limit (下限爆炸极限).

定期监测空气质量至关重要，以确保其保持在下限爆炸极限以下。

3.The safety manual states that any flammable gas should not be present in quantities exceeding the lower explosive limit (下限爆炸极限).

安全手册指出，任何可燃气体的存在量不得超过下限爆炸极限。

4.Before starting the gas leak detection process, we must ensure that the concentration is above the lower explosive limit (下限爆炸极限).

在开始气体泄漏检测过程之前，我们必须确保浓度高于下限爆炸极限。

5.The incident report highlighted that the gas concentration reached the lower explosive limit (下限爆炸极限) before the alarm was triggered.

事故报告强调，气体浓度在警报触发之前达到了下限爆炸极限。

作文

Understanding the concept of the lower explosive limit is crucial in various industries, especially those dealing with flammable substances. The lower explosive limit (LEL) refers to the lowest concentration of a gas or vapor in air that can ignite and cause an explosion when exposed to an ignition source. It is a critical parameter in ensuring safety in workplaces where hazardous materials are present. For instance, in the oil and gas industry, workers must be aware of the LEL of gases like methane to prevent potential explosions. When the concentration of a flammable substance is below the lower explosive limit, there is not enough fuel present to sustain combustion, which means that even if there is an ignition source, an explosion will not occur. Conversely, if the concentration exceeds the LEL, the mixture becomes explosive, and any spark can trigger a catastrophic event. Therefore, understanding this limit helps in implementing proper safety measures, such as ventilation, to keep gas concentrations below the LEL.In addition to industrial applications, the concept of the lower explosive limit is also relevant in emergency response scenarios. Firefighters and emergency responders need to know the LEL of various chemicals to assess risks during hazardous material incidents. For example, if a chemical leak occurs, responders must quickly determine the LEL to evaluate the potential for an explosion and take appropriate action to mitigate the risks.Moreover, the lower explosive limit is not a static number; it can vary depending on several factors, including temperature, pressure, and the presence of other substances. This variability makes it essential for professionals to continuously monitor conditions and adjust their safety protocols accordingly. In many workplaces, gas detection systems are installed to provide real-time monitoring of gas concentrations, ensuring that they remain below the LEL.In conclusion, the lower explosive limit is a vital concept in safety management across various sectors. By understanding the implications of the LEL, industries can better protect their workers and facilities from the dangers of explosive atmospheres. It is imperative for professionals to stay informed about the characteristics of the substances they handle and to implement effective safety measures to maintain concentrations below the LEL, thus preventing potential disasters. Through education and awareness, we can foster a culture of safety that prioritizes the well-being of individuals and the integrity of our environments.

理解“下限爆炸极限”这一概念在多个行业中至关重要，尤其是在处理易燃物质的行业中。“下限爆炸极限”（LEL）是指空气中气体或蒸气的最低浓度，当其暴露于点火源时可以引发爆炸。这是确保在存在危险材料的工作场所安全的重要参数。例如，在石油和天然气行业，工人必须了解甲烷等气体的LEL，以防止潜在的爆炸。当易燃物质的浓度低于下限爆炸极限时，燃料不足以维持燃烧，这意味着即使有点火源，也不会发生爆炸。相反，如果浓度超过了LEL，混合物就会变得具有爆炸性，任何火花都可能引发灾难性事件。因此，理解这个极限有助于实施适当的安全措施，例如通风，以保持气体浓度低于LEL。除了工业应用外，“下限爆炸极限”的概念在应急响应场景中也很重要。消防员和应急响应人员需要了解各种化学品的LEL，以评估危险材料事件中的风险。例如，如果发生化学泄漏，响应人员必须迅速确定LEL，以评估爆炸的潜在风险并采取适当的行动来减轻风险。此外，“下限爆炸极限”不是一个静态数字；它可能因温度、压力和其他物质的存在而有所不同。这种变化性使得专业人员必须不断监测条件，并相应调整他们的安全协议。在许多工作场所，安装了气体检测系统，以提供气体浓度的实时监测，确保其保持在LEL以下。总之，“下限爆炸极限”是各个行业安全管理中的一个重要概念。通过理解LEL的影响，行业可以更好地保护工人和设施免受爆炸性气氛的危险。专业人员必须保持对他们所处理物质特性的了解，并实施有效的安全措施，以保持浓度低于LEL，从而防止潜在的灾难。通过教育和意识，我们可以培养一种安全文化，优先考虑个人的福祉和我们环境的完整性。