The Impregnation Process of Graphite Electrode
Graphite Electrode Impreganation
Impregnation is a process in which the carbon material is placed in a pressure vessel, and the liquid impregnant pitch is immersed into the electrode pores of the product under certain temperature and pressure conditions. The purpose is to reduce the porosity of the product, increase the volume density and mechanical strength of the product, and improve the electrical and thermal conductivity of the product.
The impregnation process and related technical parameters are: baking billet-surface cleaning-preheating (260-380 ℃, 6-10 hours)-into the impregnation tank-vacuum (8-9KPa, 40-50min) ——Inject bitumen (180-200 ℃)——Pressurize (1.2-1.5MPa, 3-4 hours)——Return bitumen——Cooling (in or outside the tank)
Inspection of impregnated products: impregnation weight gain rate G=(W2-W1)/W1×100%
Weight gain rate of one-time impregnation product ≥14%
Weight gain rate of secondary dipping product ≥9%
Weight gain rate of three dipping products ≥5%
- The second largest in the country
- Cumulative supply unit 330+
- Cost-effective than the peer 20%
- 48H rushed to the production site as soon as possible
UHP600X2400MM Graphite Electrode 200 tons in StockComing the end of this year, we have achieved a wonderful sale target even under corona impact. Right now we h.
The electrode paste is burned in a submerged electric furnace (sintered in an electrode barrel made of steel plate) and consumed, so it is also called a continu.
This week, 250 tons cylinder electrode paste 500x1000mm was finished and delivered to our Middle East customer. This customer is a high carbon ferrochrome prod.