The so-called oven is a kind of operation that adopts the heating method to make the lining and electrode gradually adapt to the feeding and melting. Its main p

The so-called oven is a kind of operation that adopts the heating method to make the lining and electrode gradually adapt to the feeding and melting. Its main purpose is to dry the lining and roast the electrode. The quality of the oven not only affects the service life of the lining, but also directly affects the smooth operation of the electric furnace. Therefore, the oven schedule should be formulated in detail and strictly implemented.

Coke oven
In the first stage of the oven process, there are three methods of wood baking, oil baking and coke baking, this article focuses on focus drying. As the name implies, coke baking is a method of using the heat of combustion of coke to burn. A large piece of metallurgical coke with less ash content should be used to make fuel (granularity> 150 mm). During the baking process of the electrode, the coke should be ensured to burn against the electrode Add it in time. To help the coke burn, you can use a blower to help it burn. No matter which type of oven is used, the purpose is to burn the electrode, so that the electrode has a certain ability to withstand current and prepare for the next electric oven. Therefore, the sintering state of the electrode and the height of the electrode paste should be constantly observed to determine whether the conditions of the electric oven are available in time. The coke oven time in the previously formed process is longer (72-96 hours for the 10000KVA electric furnace). In production, according to The actual situation can be shortened appropriately, thereby reducing the waste of coke.

Electric oven
The purpose of the electric oven is the same as that of coke baking, and its main purpose is still to increase the furnace temperature and to roast the electrode electrode so that the electric furnace has the conditions for positive production. The electric power of the electric oven depends on the electric furnace capacity and the material of the furnace lining. A low-voltage oven should be used in the electric oven to ensure the stability of the arc and minimize the movement of the electrodes so that the load of the three-phase electrodes remains uniform. Should strictly follow the power supply system of the electric oven. The electric oven determines the speed of the furnace temperature increase and the electrode sintering speed and sintering quality. Therefore, the scientific power supply system should be based on the characteristics of electrode sintering.

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