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The temperature of molten steel and high temperature molten metal is used to measure the temperature of the molten steel. The working principle is based on the thermoelectric effect of metal, and the temperature of molten steel and molten metal is measured by the temperature difference between the two ends of the thermocouple.
working principle
The temperature of molten steel and high temperature molten metal is used to measure the temperature of the molten steel. The principle of the work is based on the thermoelectric effect of metal D, and the temperature of molten steel and molten metal is measured by the temperature difference between the two ends of the thermocouple. The structure of the speed thermocouple is mainly composed of a thermocouple head and a large paper tube. My head mainly has the positive and negative even wire welding on the compensation wire, the compensation wire is embedded in the bracket, the bracket is sheathed with a small paper tube, and even wire is supported and protected by quartz. The equipped with anti slag cap, all components in the concentrated load dump and refractory filler is glued into a whole and non removable, so for one-time use.
Using method
1, according to the measurement of the object and scope, choose the appropriate length of the protective paper tube and suitable temperature measuring gun.
2, the fast thermocouple installed in the temperature gun, and the two meter pointer (or digital display) back to zero, then the contact is good, can be measured.
3, fast thermocouple insertion depth of the molten steel in the 300 - 400 mm is appropriate, measurements do not test to the furnace wall or scum, do: fast, steady, accurate, when the secondary instrument should be immediately put the gun, fast thermocouple in molten steel, dipping time shall not be more than 5 seconds, or easy to burn the temperature measuring gun.
4, temperature gun from the furnace, take off the used thermocouple, and put on a new, stop for a few minutes, to prepare the next measurement. May not even open, or cause temperature fluctuations.
Specification model and performance
name | model | Index number | Tolerance | Applicable temperature | Measuring time | |
optimum | upper limit | |||||
Platinum and rhodium 30-Platinum and rhodium6 | KB-602P | B | ±5 | 1500-1700 | 1750 | 4～6s |
Platinum and rhodium10-platinum | KS-602P | S | ±5 | 1400-1600 | 1650 | 4～6s |
Platinum and rhodium13-platinum | KR-602P | R | ±5 | 1400-1600 | 1650 | 4～6s |
Tungsten rhenium3-Tungsten rhenium25 | KW-602P | W | ±7 | 1500-1700 | 1800 | 4～6s |
