The mixing time of the sewage mixer can be adjusted in the following ways:

1. Timer adjustment:

- Most mixers are equipped with a timer, and the desired mixing time can be set by turning the knob of the timer.

- If the mixer has a digital display function, the required mixing time can be entered directly.

- Some advanced mixers may offer a variety of timing methods, such as automatic timing, voice control timing or manual timing, the specific operation needs to refer to the mixer instructions.

2. Adjust according to processing needs:

- The setting of the mixing time should be determined according to the nature of the sewage, the purpose of treatment, and the type and speed of the mixer selected.

- For example, when treating sewage containing a large number of solid particles, it may be necessary to extend the stirring time to ensure an even distribution of particles.

3. Real-time monitoring and adjustment:

- During the mixing process, the mixing effect should be monitored in real time, and the mixing time should be adjusted according to the actual situation.

- If it is found that the mixing effect is not good, the mixing time can be extended appropriately; On the contrary, if the mixing effect is good, the mixing time can also be appropriately shortened to improve efficiency.

4. Instructions and manufacturer's suggestions:

- Refer to the instructions of the mixer for the recommended mixing time range.

- When used for the first time, it can be set according to the mixing time suggested by the manufacturer, and adjusted according to the actual effect.

5. Combination of experience and experiment:

- Determine the optimal mixing time based on the operator's experience and experimental data.

- The most suitable mixing time can be found by comparing the treatment effect under different mixing times through experiments.

In general, the adjustment of the mixing time of the sewage mixer requires comprehensive consideration of many factors, including the nature of the sewage, the purpose of treatment, the model and speed of the mixer, and the real-time monitoring effect. By adjusting the mixing time reasonably, the sewage treatment effect can be optimized and the treatment efficiency can be improved.