China Zhengzhou Zhongyue Silicon Carbide Electric Heating Element Manufacturer
TEL:+86 13523030448
Email:xy9962@163.com
How to calculate the electric heating power of silicon carbide rod high-temperature element is a topic of concern for users of industrial electric furnace heating with silicon carbide rod high-temperature element. Let's briefly introduce this situation to silicon carbide rod users, hoping to be helpful to silicon carbide rod users.
the electric heating calculation of silicon carbide rod mainly has a mathematical formula, which is:
{insulation coefficient X (furnace surface area) 0.9x (furnace temperature) 1.55 ÷ 1000} kw
through this formula, it can be found that its thermal power mainly depends on the above factors, so the furnace area is generally fixed, so what to do is to improve the furnace temperature and achieve higher and better insulation coefficient. So how can we better improve the furnace temperature? Very simply, we wrote in yesterday's article that in different gas atmospheres, silicon carbide rods can withstand different temperatures, the highest of which can reach 1800 degrees in oxygen and other atmospheres, such as the common 1800 degree silicon molybdenum rods.
in addition, there is also a method to improve the furnace temperature. At present, the zero crossing control mode of the secondary side of the transformer and silicon carbide rod transformer is used. When the silicon carbide rod is aging, it can shift and adjust the voltage, prolong the service life of the silicon carbide rod and reduce the operation cost. The disadvantage is that increasing the transformer has high initial investment, great impact on the power grid, large swing of ammeter pointer and large current of solid-state relay, Large line wiring is increased during installation.
in addition, in the process of daily use, it is also necessary to pay attention to the rod breakage of silicon carbide rod, which is mainly due to 1. Possible wear due to too long service time; 2. Because the diameter of the hole is 1.5 times the diameter of the installed silicon carbide rod, the gap is blocked with asbestos or aluminum silicate fiber; 3. When the silicon carbide rod is installed, the wiring is not firm, resulting in poor contact, resulting in arc phenomenon, resulting in the scrapping of the whole silicon carbide rod.
let's stop here today about some problems in the use of silicon carbide rods. If you need to know anything else, please call us and we will serve you wholeheartedly.