extraction hood

简明释义

排气罩

英英释义

例句

1.Make sure the extraction hood is functioning properly before starting any experiments.

在开始任何实验之前，请确保排气罩正常工作。

2.The extraction hood helps maintain air quality in the workshop.

这台排气罩有助于维持车间的空气质量。

3.The chef installed an extraction hood above the stove to eliminate smoke and odors.

厨师在炉子上方安装了一个排气罩以消除烟雾和气味。

4.When working with volatile chemicals, always use an extraction hood for your safety.

在处理挥发性化学品时，务必使用排气罩以确保安全。

5.The laboratory is equipped with an extraction hood to safely remove harmful fumes.

实验室配备了一个排气罩以安全去除有害烟雾。

作文

In modern laboratories and industrial settings, safety is a paramount concern. One of the essential pieces of equipment that contributes to a safe working environment is the extraction hood. An extraction hood (排风罩) is a ventilation device that helps to remove harmful fumes, vapors, and particles from the air, ensuring that workers are not exposed to hazardous substances. This equipment is particularly crucial in environments where chemicals are handled or where there is a risk of airborne contaminants. The design of an extraction hood is quite sophisticated. It typically consists of a hood that is placed over the area where hazardous materials are used. The hood is connected to a ventilation system that draws air away from the user and filters out dangerous particles. This process not only protects the health of the workers but also improves the overall air quality in the workspace. In addition to providing safety, an extraction hood also enhances productivity. When workers feel safe and are not distracted by unpleasant odors or potential health risks, they can focus better on their tasks. This is particularly important in research labs where precision and concentration are key to successful outcomes. Moreover, the presence of an extraction hood can help in compliance with health and safety regulations, which often mandate specific measures to protect employees from exposure to toxic substances. There are various types of extraction hoods, each designed for specific applications. For example, some hoods are designed for chemical fume extraction, while others may be used for dust collection or biological safety. The choice of an appropriate extraction hood depends on the nature of the work being performed and the specific hazards present. Installing an extraction hood is not merely a matter of placing it in a corner of the lab; it requires careful planning and consideration of airflow dynamics. The effectiveness of an extraction hood is influenced by its size, placement, and the speed of the airflow. A well-positioned hood will capture contaminants before they can disperse into the laboratory environment. Regular maintenance of an extraction hood is also vital to ensure its functionality. Filters need to be replaced periodically, and the entire system should be inspected to prevent any blockages or malfunctions. Inadequate maintenance can lead to reduced efficiency, putting workers at risk. Therefore, organizations must establish a routine maintenance schedule to keep their extraction hoods in optimal condition. In conclusion, the extraction hood (排风罩) is an indispensable tool in ensuring workplace safety in environments dealing with hazardous materials. Its ability to effectively remove harmful substances from the air not only protects the health of workers but also fosters a more productive work environment. As industries continue to evolve and the handling of chemicals becomes more common, the importance of extraction hoods will only increase. Investing in high-quality extraction hoods and ensuring their proper use and maintenance is essential for any organization committed to safeguarding its employees' health and well-being.