APPARATUS FOR MEASURING DEPTH OF BRICK OF DOME IN BLAST FURNACE HOT STOVE

摘要

PURPOSE: A brick depth measuring apparatus for continuously measuring whether brick of dome shaped connection pipe in the upper part of combustion chamber and checker chamber is damaged or not in hot stove facility is provided. CONSTITUTION: The apparatus for measuring depth of brick of dome in blast furnace hot stove comprises an ultrasonic depth measuring means(16) installed at one end part of a hollow pipe to measure depth of brick(1c) of dome in the blast furnace hot stove; a connection means installed at the other end part of the hollow pipe to connect the hollow pipe to the dome; two cutout valves installed in series between the connection means and measuring means to shield the depth measuring means from the dome or connect the depth measuring means to the dome through the pipe; a cleaning means installed in series between the two cutout valves to discharge foreign materials inside the pipe; a control part(50) for controlling operation of the cutout valves and cleaning means; and an operation part(40) for extracting depth variation of the brick of the dome by signals from the depth measuring means, wherein the cleaning means comprises nitrogen purge valve(15), and a vent valve(12), wherein the apparatus further comprises storage means, alarm generation part, and sleeve flange means(14).