OVERHAUL OF AIR HEATER № 10 OF BLAST FURNACE № 4 OF “CHMK”, PJSC
In April 2022, “Refracon Installations”, LLC, specialists carried out a complete renovation of the air heater combuster № 10 of DP4 of “ChMK”, PJSC, using a shotcreting method.
In this project, our company carried out the following works:limited dismantling of brickwork and monolithic refractory lining, cleaning and surface preparation of refractory masonry, installation of anchors, as well as mechanized shotcrete on damaged or missing sections of brickwork. The total volume of the applied shotcrete amounted to more than 20 tons.
The work was supervised by specialists from “Seven Refractories”, who had made an expert assessment of the refractory lining condition and developed a technical project for complete renovation.
Implementation of this project has a number of advantages:
– restoration of the refractory lining consistency
– short installation time
– absence of seams and reduced gas permeability
– high resistance to thermal changes, moisture and dust
– resistance to abrasive wear.