The service life of a sewage mixer is affected by a variety of factors, including but not limited to equipment quality, maintenance, use environment and operation mode. According to publicly released information, the service life of sewage mixers is generally between 5 and 15 years. To be specific:

1. Equipment quality and materials: sewage mixer is usually made of stainless steel or carbon steel and other materials, stainless steel mixer corrosion resistance is better, relatively long service life. Although the price of carbon steel is low, it is easy to rust, which affects the service life.

2. Maintenance: Regular maintenance is essential to extend the service life of the sewage mixer. This includes cleaning, oil changes, inspection of mechanical parts such as bearings and gears, and timely replacement of worn parts.

3. Use environment: The environmental conditions under which the mixer operates will also have an impact on its service life. Avoid exposing the mixer to harsh environments such as moisture, easy corrosion or water, which can effectively extend its service life.

4. Operation mode: Correct use and operation method are equally important. Avoiding excessive load use for a long time and following the operating guidelines of the equipment can reduce the occurrence of failures, thus extending the service life of the mixer.

In summary, although the exact service life can not be given, the service life of the sewage mixer can be effectively extended by purchasing high-quality equipment, regular maintenance, paying attention to the use of the environment and correct operation. In practical applications, it is recommended to evaluate and manage according to the specific situation to ensure the best performance and longest service life of the equipment.