The box-shaped electric furnace is a relatively common mechanical device. Do you know how to maintain the more common devices?
Some users may think that maintenance is not required. This is a misconception that regular maintenance is required regardless of instrument and equipment.
If we don't do regular maintenance, the life of equipment and instruments will be greatly shortened, and serious problems will lead to ordinary box-type electric furnace failures. Finally, what work should be done? What do we do to service and maintain the box-shaped electric furnace?
The shape of the box-shaped electric oven is cuboid. The studio is made of carbon capsule-filled silicon refractory material. The furnace shell is made of cold-rolled steel sheet and welded with a small particle machine. The insulating material is called Iinsulating layer used between the furnace and the furnace shell.
Box furnaces are widely used in various laboratories, industrial and mining enterprises and scientific research units. To increase heat loss at the furnace mouth and improve temperature uniformity in the furnace, a heat shield made of refractory material.
Maintenance and maintenance of the box-shaped electric furnace
In the case of the silicon carbide rod furnace, if the silicon carbide rod is found to be damaged, it should be damaged by a with opposite specification and similar resistance value. New silicon carbide rods.
When replacing, first remove the protective cover and the silicon carbide rod chuck on both ends, and then take out the damaged silicon carbide rod. Since the silicon carbide rod is easy to break, be careful when installing. The inner part of the exposedof the furnace shell should be equal and the chuck must be tightened to make good contact with the silicon carbide rod.
If the chuck is badly oxidized, it should be replaced with a new one. The gaps at the device holes at both ends of the silicon carbide rods are closed with asbestos ropes. The furnace temperature must not exceed the maximum working temperature of 1350 °C.
The silicon-carbon V-mixer rod is allowed to work continuously at temperature for 4 hours. If the electric furnace has been used for a very long time, and the heating power adjustment knob is adjusted clockwise to the position, the heating current still cannot be increased.
The distance from the rating of the small labeling machine is far, and the required heating capacity cannot be achieved, which means the silicon carbide rod is aged.
The box-type resistance furnace, when changing theConnection method do not install silicon carbide rods. It only needs to change the connection method, and after changing the connection method, care must be taken to slowly adjust the heating power setting when using the muffle furnace button, the heating current value must not exceed the additional value.