BF Maintenance Engineering

 Blast furnace maintenance procedures: 1, the cooling device in the repair cycle: 4 to 5 years, more than replacing the hearth cooling equipment. 2, cooling equipment overhaul cycle: 8 to 10 years, to replace the bulk of all cooling equipment. 3, smooth stave: ① before cooling wall installation, first install air big sets. ② first install perforated stave stave and air, minimum gap taphole frame flange is not greater than 10 mm. ③ stave vertical slit between the uniform deviation is less than 10 mm. ④ each stave has two parallel sides should finally be installed. After cooling wall installation ⑤ inner radius and furnace core deviation is less than 10 mm. ⑥ cut opening on the furnace shell, water wells do not exceed 1.3 to 1.5 times the diameter of the bolt holes is not more than 1.2 to 1.5 times the diameter. More blast furnace maintenance contents concern: http: //www.weilongjianshe.com/Product/Show.asp ID = 748 & cID = 1?