Temperature shock test box leak detection calibration

Temperature shock test box leak detection calibration

1. Leakage detection in electric arc furnace: open the front oxygen and back control with the temperature shock test box closed and close the crucible, press the outlet pipe above the sulfur cup of the analysis box with your finger for a while, turn off the front oxygen, and see if the float of the sulfur cup floats up For example, if floating indicates that the electric arc furnace is leaking, then it is necessary to thoroughly check the sealing ring and pipeline interface of the furnace body and the dust chamber, as well as the interface of the solenoid valve in the box and all pipeline interfaces.

2. Leak detection in the analysis box: press the temperature shock test box to reset it again, press and hold the zero key to make the measuring cylinder liquid level at the zero scale position of the scale cylinder, if there is no drop in the liquid level after 1 minute, it means there is no leakage, otherwise the leakage gas.

3. The method to check whether the pipeline is leaking: First, see if it is cracked; Second, listen for any leakage; Third, use soapy water to wipe the interface to see if there are bubbles.

4. Always check whether the electrode of the level bottle is corroded. If corrosion should be replaced in time. The long electrode of the leveling flask reaches the bottom of the bottle; the short electrode is the level of the measuring cylinder at the neck of the cylinder, and the short electrode just touches the level of the leveling flask.

5. If the iodine burette is not filled, press the reset button immediately to check whether the iodine bottle has iodine solution. If there is no iodine solution, add iodine solution in time; check whether the water stop clip behind the solenoid valve is too tight. It is necessary to loosen it properly.

6. The low analysis result is generally insufficient combustion or the absorption capacity of the potassium hydroxide solution is poor; for the specific phenomenon of the temperature shock test box, see the faults and treatment methods after the electric arc furnace instruction manual or replace the potassium hydroxide solution, the analysis result is generally high In order to calibrate incorrectly, it should be calibrated again.

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