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Joda Summarizes The Correct Heating Standards For Vacuum Ladl

2018-11-01 17:58Keywords: Correct Heating Standards For Vacuum Ladle

Joda summarizes the correct heating standards for vacuum ladle.

1. Heating time of vacuum ladle.

The first stage needs to be kept at 50 degrees for 12 hours, the second stage needs to be kept at 100 degrees for 12 hours, the third stage needs to be kept at 150 degrees for 12 hours, the fourth stage needs to be kept at 200 degrees for 12 hours.

The overall heating takes about 15 days.

Two, vacuum ladle heating specific operation steps

1, first, the heater is hoisted into the vacuum bag and sent to the power supply.

2, the first stage 50 degrees need to maintain 12 hours. Set the temperature on the operation table to 50 degrees and set the heating time to 12 hours.

The 3 and second stage 100 degrees need to be maintained for 12 hours. Set the temperature on the operation table to 100 degrees and set the heating time to 12 hours.

The 4 and third stage 150 degrees need to be maintained for 12 hours. Set the temperature on the operation table to 150 degrees and set the heating time to 12 hours.

The 5 and fourth stage 200 degrees need to be maintained for 12 hours. Set the temperature on the operation table to 200 degrees and set the heating time to 12 hours.

The 6 and fifth stage 250 degrees need to be maintained for 120 hours. Set the temperature on the operation table to 250 degrees and set the heating time to 120 hours. From October to April, the fifth stage and 250 degree need to be set for 168 hours.

Three. Test the vacuum ladle after heating.

After the heater is hoisted out, the professional operator uses the strong light lamp to observe the lining from the cover hole to the inside of the package. If there is an abnormal crack on the surface which is longer than 5 cm and the width is more than 5 mm and the depth is more than 5 cm, the maintenance company will be notified to solve the problem. After treatment, the fifth stages of heating were carried out and the records were recorded.

Four. Use of vacuum ladle

After heating, it is better to put into the first aluminum discharging immediately after the inspection. The process of aluminum discharging should be carried out slowly. Pay attention to the steam discharging in the aluminum bag. After inhaling 2-2.5 tons of aluminum liquid, open the pressure cover of the pouring aluminum mouth to discharging steam to prevent accidents.

After lifting the bag for 2 to 3 times, the aluminum will be drawn out according to the normal operation of the ladle.

Joda Summarizes The Correct Heating Standards For Vacuum Ladle

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