Patent ID: 6833106
Filing Date: 2004-12-21
Classification: C21B

Abstract:
Blast furnace installation, comprising: a blast furnace in a shaft furnace configuration and of a free-standing construction; a hot blast generating device; a burdening; and a pouring bay, for continuous smelting of at least partially treated iron ore to hot metal, the blast furnace (10) having a frame diameter of between 5 and 10 m and the features:(a) a self-supporting blast furnace armor construction wherein an entire upper blast furnace construction of the blast furnace (10) is supported on the blast furnace armor (12), the upper blast furnace construction including a top closing device (14) configured as a revolving chute with a fixedly installed slant angle without tilting mechanism and in working connection with a radially movable throat armor (17) arranged at a throat of the blast furnace, a gas removal pipe (15), and safety valves (16) including pressure compensation; b) in a region of the frame, in zones of a belly of the blast furnace, a waist of the blast furnace, and a lower shaft, water-cooled cooling elements of a material having high thermal conductivity are arranged between the refractory furnace wall (11) and the blast furnace armor (12); c) for tapping of the hot metal only one tap hole (18) is installed on the furnace (10).