Views: 0 Author: Site Editor Publish Time: 2026-07-13 Origin: Site
Adopt hydraulic impact rotary drilling & reaming to break worn sleeve bricks, residual steel nodules and tapping mud sintered and cracked by molten steel and slag.
Push crushed waste bricks, cold steel and slag blocks entirely out of the taphole passage.
Blow and clean residual debris on the inner wall of the hole, repair deformed, eccentric and flared hole walls to restore a standard straight circular passage.
The hydraulic clamping mechanism grabs new sleeve bricks and feeds them accurately coaxially into the inner cavity of the taphole seating brick.
Uniform axial compression ensures tight fit and perfect concentricity between sleeve bricks and seating bricks, eliminating risks of steel penetration, leakage and breakout through gaps.
Compatible with sleeve bricks of various outer diameters and lengths without manual tool adjustment.
Before replacing sleeve bricks, bore and reshape worn, offset and enlarged tapholes to form smooth and straight passages. This stabilizes steel flow, reduces slag entrapment and mitigates eddy erosion on refractories, extending the service life of sleeve bricks by 30%~50%.
Greatly shorten downtime: The whole process including reaming, old brick removal and new brick installation only takes 10 to 20 minutes, saving 20 to 30 minutes per operation compared with manual overhead crane work. It reduces converter idle time and boosts heat throughput.
Guarantee continuous production: Fast taphole maintenance avoids disruption to steelmaking schedules and minimizes losses caused by delayed refining and continuous casting stoppages.
Multi-functional single unit: Capable of daily reaming, tapping mud cleaning, periodic full sleeve brick replacement and emergency rush repair, with no need for multiple equipment for alternate operation.
Long-distance wireless remote control keeps operators far away from high-temperature furnaces, splashing molten steel, dust and scalding areas, eliminating risks of burns, impact injuries and flue gas poisoning during close-range manual brick removal.
Mechanized breaking replaces manual chiseling with sledgehammers and crowbars, removing high-risk hazards such as flying bricks and collisions from overhead crane lifting.
Fully hydraulic controllable impact delivers stable breaking force to avoid excessive damage to intact surrounding seating bricks and furnace linings, cutting extra refractory consumption.
Lower refractory consumption: Precise installation and regular hole geometry lessen erosion from molten steel flow, extend the service heats of sleeve bricks, reduce replacement frequency and cut refractory purchasing costs.
Minimize steel breakout accidents: Tight brick fitting and standard hole geometry prevent molten steel seepage through brick gaps which would burn through furnace shells and slide gate mechanisms, avoiding severe equipment damage and production halts.
Stable tapping quality: Uniform and steady steel flow reduces slag carryover, improves molten steel cleanliness and raises the qualification rate of finished steel products.
Cut labor costs: Only one operator with remote control can finish the full brick replacement process, replacing manual teams of 3–5 workers and reducing staffing for high-temperature posts.
