What do you feel when looking at giant constructions? We'll see some of them today.
A blast furnace is the most impressive construction met on the former Soviet territory. Flamboyancy, beauty and strength of these giant monsters can be compared only with one of a Gothic cathedral.
A blast furnace without any additional elements like tubes. They are equal even in size. This post is devoted to furnaces which are mere Gothic cathedrals of the 20th century.
This tube is 35 meters long. Tubes are mainly used for iron smelting or final dressing of extremely rich ore.
Method of their work is quite simple and is as follows: charge material is thrown up and hot gas is supplied from beneath.
The inside of a blast furnace. It has to work continuously. It takes several months to make such a furnace work. In case it's stopped a solid mass that is impossible to remove is formed inside.
Furnaces made in the 18th and 17th centuries are well-preserved in Europe. The oldest Russian furnace built in 1840 is the only construction in the world which is in a good condition till now.