High-temperature atmosphere furnace is mainly in a vacuum state, through different atmospheres to the object or material sintering, in the metal annealing, high temperature sintering, organic material ashing detection, quality testing in the use of more, high-temperature sintering furnace temperature control is very good, you can work in the exact temperature, then how to maintain the high-temperature atmosphere furnace? No matter how good with the equipment is the need for maintenance in order to better operation and use, today I came to tell you about the high temperature atmosphere furnace maintenance methods.
High temperature atmosphere furnace maintenance methods:
1, do not exceed the use of power
Use shall not exceed the rated power, atmosphere furnace temperature shall not exceed the use of the temperature marked on the equipment, prohibit the wet workpiece loaded into the furnace chamber, containing too much water heated workpiece should be pre-dried.
2、Keep the furnace clean
Furnace, instrumentation and control cabinets should always be kept clean, the furnace metal oxides, slag and impurities should be removed in a timely manner, loading and unloading of workpieces should be careful to prevent damage to the silicon molybdenum rods, to check the heating element linkage line is clamped in time to tighten.
3, try not to alkali at high temperatures
Silicon molybdenum rod alkali, alkali metals, silicic acid and boron compounds at high temperatures it can play a corrosive role, water vapor has a strong oxidizing effect on it, hydrogen and gases containing a large amount of hydrogen at high temperatures will decompose silicon molybdenum rods, the use of which must be paid close attention.
4、Control the outlet temperature
By investigating the flow and control the outlet temperature at about 40 ℃, the workshop shall be equipped with 12 tubes to the water source after the force of 0.2MPa, shall not have corrosive substances and water workpiece into the furnace heating.
5、Keep a good inflatable
Connected to the inflatable port filled with CO2 and other protective gases, when the atmosphere furnace pressure gauge indicates in 0.02 ~ 0.04MPa, stop inflating, in the atmosphere furnace in use, the furnace chamber must maintain a positive pressure, in order to prevent the furnace outside the air into the furnace chamber.
6、Regular inspection
Regularly check whether the contact of each junction is good, regularly repair and improve the sealing measures of the furnace mouth, according to the process of setting the temperature, power heating, insulation, regular lubrication of mechanical transmission parts
7、Appropriate release of pressure
When the furnace temperature rises, should always pay attention to the pressure in the furnace, if the pressure is too large, you can intermittently open the bleeder valve, so that the pressure in the furnace gallbladder in the following 0.1MPa, when the gallbladder of the soot and other impurities can be discharged, the implementation of bright annealing, in the warming up of the bleeder valve, followed by filling the protective gas, the flow rate of the flow rate of a small to a large, when the pressure in the atmosphere furnace for the pressure of the furnace, that is, to close all the valves, the process to be carried out by skilled workers. This process should be carried out by skilled workers.