lower flammable limit

简明释义

低燃爆限制

英英释义

例句

1.Monitoring the lower flammable limit 下限可燃浓度 is crucial in preventing explosions in industrial settings.

监测lower flammable limit 下限可燃浓度在工业环境中防止爆炸至关重要。

2.The safety data sheet indicates that the lower flammable limit 下限可燃浓度 for ethanol is 3.3% in air.

安全数据表指出，乙醇的lower flammable limit 下限可燃浓度为3.3%。

3.Before starting the experiment, we need to ensure that the concentration of gas is above the lower flammable limit 下限可燃浓度.

在开始实验之前，我们需要确保气体浓度高于lower flammable limit 下限可燃浓度。

4.The technician explained that if the mixture falls below the lower flammable limit 下限可燃浓度, it won't ignite.

技术员解释说，如果混合物低于lower flammable limit 下限可燃浓度，它将不会点燃。

5.In confined spaces, the lower flammable limit 下限可燃浓度 must be carefully managed to avoid fire hazards.

在密闭空间中，必须仔细管理lower flammable limit 下限可燃浓度以避免火灾隐患。

作文

Understanding the concept of the lower flammable limit is crucial in the field of safety and fire prevention. The lower flammable limit, often abbreviated as LFL, refers to the minimum concentration of a substance in the air that can ignite and sustain combustion. This threshold varies for different substances and is an essential factor in assessing the risks associated with flammable materials. For instance, if the concentration of a gas is below its lower flammable limit, it will not ignite even if there is a source of ignition present, such as a spark or an open flame.In practical applications, understanding the lower flammable limit helps industries manage safety protocols effectively. In chemical manufacturing plants, for example, workers must be aware of the LFL of various chemicals they handle. If the concentration of a flammable gas falls below its lower flammable limit, it is considered safe from ignition risks. However, if the concentration rises above this limit, the potential for a fire or explosion increases significantly. Therefore, monitoring and controlling the concentrations of flammable substances are vital for workplace safety.Moreover, the lower flammable limit plays a significant role in emergency response situations. Firefighters and emergency responders need to have a clear understanding of the LFL of substances involved in hazardous incidents. This knowledge allows them to assess the situation accurately and take appropriate action to mitigate risks. For example, if they know that a certain gas has a low lower flammable limit, they may prioritize evacuating the area and implementing measures to disperse the gas before attempting to combat a fire.In addition to industrial and emergency contexts, the lower flammable limit is also relevant in everyday life. Homeowners should be aware of the LFL of common household products, such as cleaning agents or fuels. Proper storage and usage of these products can prevent dangerous situations. For instance, keeping gasoline in a well-ventilated area and away from heat sources ensures that its concentration remains below the lower flammable limit, reducing the risk of accidental ignition.Furthermore, education about the lower flammable limit can empower individuals to make informed choices regarding safety. Schools and community programs can include information about flammability and the importance of understanding LFLs in their curricula. By fostering awareness, we can promote a culture of safety that minimizes the risks associated with flammable materials.In conclusion, the lower flammable limit is a vital concept in fire safety and prevention. Whether in industrial settings, emergency response situations, or everyday life, understanding this threshold helps individuals and organizations manage risks effectively. By maintaining awareness of the lower flammable limit of various substances, we can create safer environments and reduce the likelihood of fire-related incidents. Safety is a shared responsibility, and knowledge about flammable limits is an essential part of our collective effort to prevent fires and protect lives.

理解下限可燃浓度的概念在安全和防火领域至关重要。下限可燃浓度，通常缩写为LFL，指的是空气中某种物质能够点燃并维持燃烧的最低浓度。这一阈值因不同物质而异，是评估易燃材料相关风险的重要因素。例如，如果气体的浓度低于其下限可燃浓度，即使存在点火源，如火花或明火，也不会点燃。在实际应用中，了解下限可燃浓度有助于各行业有效管理安全协议。例如，在化工制造厂，工人必须了解他们所处理的各种化学品的LFL。如果易燃气体的浓度低于其下限可燃浓度，则被认为是安全的，不存在点燃风险。然而，如果浓度超过该限制，火灾或爆炸的潜在风险显著增加。因此，监测和控制易燃物质的浓度对工作场所的安全至关重要。此外，下限可燃浓度在应急响应情况下也发挥着重要作用。消防员和应急响应人员需要清楚了解涉及危险事件的物质的LFL。这一知识使他们能够准确评估情况，并采取适当措施来减轻风险。例如，如果他们知道某种气体的下限可燃浓度较低，他们可能会优先考虑疏散区域并实施措施以扩散气体，然后再尝试扑灭火灾。除了工业和应急环境外，下限可燃浓度在日常生活中也很相关。房主应了解常见家居产品的LFL，例如清洁剂或燃料。这些产品的正确储存和使用可以防止危险情况的发生。例如，将汽油存放在通风良好的区域并远离热源，可以确保其浓度保持在下限可燃浓度以下，从而降低意外点燃的风险。此外，关于下限可燃浓度的教育可以使个人能够做出有关安全的明智选择。学校和社区项目可以在其课程中包括关于易燃性和理解LFL重要性的信息。通过提高意识，我们可以促进一种安全文化，最大限度地减少与易燃材料相关的风险。总之，下限可燃浓度是火灾安全和预防中的一个重要概念。在工业环境、应急响应情况或日常生活中，理解这一阈值有助于个人和组织有效管理风险。通过保持对各种物质的下限可燃浓度的意识，我们可以创造更安全的环境，减少火灾相关事件的可能性。安全是共同的责任，而对可燃极限的了解是我们共同努力预防火灾和保护生命的重要组成部分。