With the acceleration of industrialization, the problem of exhaust gas emissions is becoming more and more serious, posing a serious threat to the environment and human health. As an efficient gas purification equipment, scrubbers play an increasingly important role in the environmental protection industry. This paper will discuss the application status and development trend of the first scrubber in the environmental protection industry, in order to provide reference for the development of related industries. 
First, the application status of scrubbers in the environmental protection industry.
Scrubbers are widely used in chemical, electric power, pharmaceutical, metallurgical and other industries, mainly used to treat the waste gas generated in the production process. Through scrubber treatment, it can effectively remove pollutants such as particulate matter and harmful gases in the exhaust gas, so that the emitted gas meets the environmental protection standards. This not only helps to improve the quality of the environment, but also improves the environmental image of the enterprise and enhances the market competitiveness.
In the environmental protection industry, scrubbers are used in a variety of forms. According to different exhaust gas composition and treatment requirements, different types of scrubbers can be selected, such as spray type, packing type, cyclone type, etc. At the same time, the scrubber can also be combined with other waste gas treatment equipment to form a complete waste gas treatment system to achieve comprehensive treatment of waste gas.
Second, the development trend of scrubbers.
Technological innovation: With the continuous improvement of environmental protection requirements, scrubber technology is also constantly innovating. The new scrubber improves the efficiency of exhaust gas purification with more efficient scrubbing liquid, a more advanced spray system and smarter control technology. At the same time, the application of new materials also makes the scrubber have better corrosion resistance and high temperature resistance, and prolong the service life. Intelligent development: With the popularization of technologies such as the Internet of Things and big data, the intelligent development of scrubbers has also become a trend. Through the introduction of intelligent sensors and control systems, the operating status of the scrubber can be monitored in real time, and remote control and automatic adjustment can be realized. This not only improves the operational efficiency of the scrubber, but also reduces maintenance costs and improves management. Combined applications: A single scrubber is often difficult to meet complex exhaust gas treatment needs. Therefore, in the future, the development of scrubbers will pay more attention to the combined application with other exhaust gas treatment technologies. By combining with other technologies, the advanced treatment and resource utilization of waste gas can be realized, and the overall treatment effect can be improved. Green development: The environmental protection industry itself aims to protect the environment and promote sustainable development. Therefore, the green development of scrubbers is also an inevitable trend. This includes the use of environmentally friendly materials, reduced energy consumption, reduced wastewater discharge, etc. Through green development, a win-win situation can be achieved in terms of economic and environmental benefits of the scrubber. 
III. Conclusion. Scrubbers play an important role in the environmental protection industry, and their application prospects are broad. With the development of technological innovation and intelligence, the scrubber will continuously improve the efficiency and management level of exhaust gas purification, and provide strong support for the development of the environmental protection industry. At the same time, we should also pay attention to the green development of scrubbers and promote the coordinated development of economic and environmental benefits.