1、 Preparation work:

1. Place the ceramic crucible in a muffle furnace and heat it up to 1000 ℃ for 4 hours before cooling it down. Place it in a dryer for later use;

2. Standard sample, flux;

3. Crucible pliers, sample spoon;

4. Oxygen for analysis (pressure adjusted to 0.18MPa);

5. Preheat the infrared detection pool for 1 hour and the high-frequency furnace for 30 minutes.

2、 Instrument startup:

1Turn on the power of the computer monitor and the host (enter the computer)Windows）

2. Double click on the "XY-1HWT" software

3. Turn on the infrared detection power supply

4. Turn on the high-frequency induction furnace switch

5. Open the oxygen main valve and adjust the oxygen pressure to 0.18-0.20MPa;

6. Press the "lift switch" on the XY-1HW high-frequency induction furnace to lift the cylinder, open the "diagnosis", sequentially open valves 1, 2, 3, 5, and 6, adjust the oxygen loading pressure to about 0.08MPa, the top oxygen flow rate to about 1.5L/min, and analyze the gas flow rate to about 3.0L/min (must be constant). Attention: Do not turn on 4 and 8 in the "Switch Diagnosis" section. After completion, press Esc to close all valves.

7. Open the balance and check its level.

3、 Parameter adjustment: (set by Xinyao technician)

1. ElectronicThe default baud rate of the balance is 2400HertzModify 9600Hertz

2Adjust the pressure to 0.18-0.2MPa and feed it into the instrument for combustion purposes;High frequency induction furnaceOxygen carrying pressure 0.08mpa

3Analysis gas 1.5-2.0L/h

4Oxygen flow rate 0.08-0.1

4、 Calibration method

1. Weigh within 0.5g of the sample on the balance (0.1g for high content samples). Print by scale

2. Add approximately 1.5 grams of tungsten particles to the ceramic crucible in sequence.

3. Place the porcelain crucible into the high-frequency induction furnace and click the "Analyze" button in the software for automatic analysis. Continuously make two waste samples

4. Repeat the above three steps for the standard sample 3-5 times, click on "Calibration" in the operating software to select the satisfactory result, fill in the corresponding standard sample content, and then click on "Calibration" below.

5、 Operation method:

1. Weigh within 0.5g of the sample on the balance (0.1g for high content samples). Print by scale

2. Add approximately 1.5 grams of tungsten particles to the ceramic crucible in sequence.

3. Place the porcelain crucible into the high-frequency induction furnace and click the "Analyze" button in the software for automatic analysis.

5、 InstrumentShut down：

Shutdown sequence: High frequency furnace----infrared detection----computer----Electronic balance

When closing the oxygen valve, close the main valve, remove the skin tube for exhaust, and then insert the skin tube.