When in use, first add water into the LPG high-speed centrifugal spray dryer, then switch on the power supply, the mixing starts to work, then select the temperature, set the required temperature value (^ to 0.1 ℃), set the temperature: press the SET key to set or view the temperature set point. Press the SET key once and the digital tube character will start flashing, indicating that the instrument has entered the set state. Press the △ key to increase the set value, press the ▽ key to decrease the set value. Long press the △ key or ▽ key to quickly change the data. Press the SET key again and the instrument will return to normal working state. The temperature setting is complete. If the temperature controller is an intelligent type, a temperature control manual should be attached. When the set temperature exceeds the water temperature, the heating indicator light will light up, indicating that the heater has started working. At this time, the digital display will display the actual water temperature. When the water temperature reaches the desired water temperature, the constant temperature indicator light will light up, and the heating indicator light will go out. At this point, the heater stops working. After heating and constant temperature conversion, the water temperature can remain constant for a certain period of time.