wanhaorefractory

(1) High-aluminum ramming mass is suitable for the top of electric arc furnace and the outlet of rotary kiln;   (2) Magnesium ramming mass is suitable for the furnace bottom of electric arc furnace, open hearth furnace and converter; (3) Dolomite ramming mass is suitable for the bottom of converter and ferroalloy electric arc furnace; (4) Graphite and silicon carbide ramming mass are suitable for blast furnace and iron trough. Wanhao is a manufacturer who is specialized in designing various kinds of furnace and making refractory products for electric furnace, ladle, tundish, blast furnace, AOD furnace, IF furnace, etc.

1. Add ferronickel or top crops and back end crops to the bottom of the furnace, (the center must be flattened), sintering can be started when the furnace is half full. 2. When sintering, the voltage should start from 100kw. After half an hour of operation, the voltage can be pulled to about 250kw. At the same time, it is necessary to constantly observe whether the forma is cut off due to excessive voltage and the furnace is bulged. If one of them occurs, The voltage should be lowered immediately, and the scrape in the furnace should be red before pouring in molten steel.(It is recommended that the furnace be sintered for no less than 3 hours) 3. The temperature of the molten steel should not be lower than 1600 ℃. After the molten steel is filled, the voltage should be pulled to 800kw. The voltage should be pulled up by 100kw to 150kw every 10 minutes till the temperature reaches 1720 ℃. The holding time should be no less than two hours. (During the heat preservation ...

Refractory materials   generally refers to the degree of fire in the 1580 C or more inorganic non-metallic materials, including natural ore ( refractory raw materials ) and according to a certain purpose and requirements, according to a certain process to produce a variety of products (fire resistance), with a certain degree of high temperature mechanical properties and good volume stability. Refractory materials are steel, nonferrous metals, petrochemical, building materials, machinery, electric power, environmental protection and even national defense and other important basic materials, but also a variety of high temperature industrial furnaces and equipment indispensable support materials. Technological progress of refractory materials plays an important role in the development of high temperature industry. Enterprise organizational structure adjustment, namely to "group" principle, the formation of a number of famous and special products, have complete independent devel...