Core Viewpoint - The article discusses the stringent regulations and challenges faced by manufacturing enterprises in managing welding fume emissions, emphasizing the need for effective collection and treatment measures to comply with environmental laws [1]. Regulatory Environment - National regulations, such as the Air Pollution Prevention and Control Law, require enterprises to enhance management and implement measures for controlling dust and gaseous pollutant emissions [1]. - Local regulations, like the Beijing Air Pollution Prevention and Control Ordinance, mandate the installation of purification devices to prevent pollution [1]. - Increased government scrutiny and penalties for non-compliance have intensified the focus on welding fume management in the manufacturing sector [1]. Current Practices - Most large manufacturing enterprises are implementing fume collection measures, particularly state-owned enterprises, which are investing significantly in fume management technologies [1]. - For instance, China Communications Construction Group's subsidiary, Shanghai Zhenhua Heavy Industries, has installed over a thousand mobile fume collection devices and is actively pursuing technological innovations [1]. Challenges in Fume Management - Balancing product quality and fume collection efficiency is difficult, as high negative pressure can disrupt the welding process and affect product quality [2]. - Many small mobile fume collection devices are ineffective, often serving merely as compliance tools rather than functional equipment [2]. - Changing the operational habits of frontline workers is challenging, as many do not recognize the importance of fume collection, and additional procedures may reduce their income [3]. - Outdoor welding poses significant challenges for fume collection, especially for large structures that cannot be welded indoors [3]. Optimization Strategies - The article suggests four optimization strategies to enhance fume collection efficiency: 1. **Optimize Production Processes**: Reduce welding steps in product design and utilize robotic welding and automated fume collection systems [4]. 2. **Optimize Collection Techniques**: Implement differentiated collection methods based on production environments, such as using mobile fume collection canopies for outdoor welding [4]. 3. **Optimize Equipment Management**: Regular maintenance and timely replacement of consumables are essential to ensure the effectiveness of fume collection devices [4]. 4. **Optimize Behavioral Drivers**: Training and incentivizing workers to adhere to fume collection protocols can improve compliance and efficiency [4].