What is the operation method of the cement Lei's boiling tank?

After filling the tank with 180 ml of water, the cured test cake or the Rey's clip is taken from the glass plate and placed flat on the test cake rack or the two fingers of the Lei's clip face up, and the test mold is placed on the seesaw. Turn on the power of the electrical control box, start the "automatic" switch, the water in the cement mine boiling tank boils after about 30 minutes, a group of 3 kW electric heater automatically stops working, the indicator light is off. After another three hours of the 1kW electric heater in the three-hour box, the indicator light is automatically stopped. At this time, the number is displayed as 210 minutes, and the buzzer sounds in the electrical control box, indicating that the work is over. After cooking, the water is discharged from the electric hot water nozzle, the lid is opened, the box is cooled to room temperature, and the test piece is taken out for testing. If the water filling temperature in the box is lower than 20 degrees, the manual automatic switch on the electric control box can be placed in the manual position, and the temperature rising thermostat switch is placed in the heating position. Warm the water to about 20 degrees, and switch the manual and automatic switches to the automatic position to run automatically.