A filler for the gaps between the coke oven wall bricks and steel plates and a method for preparing the same
By fusing the new filler with coke oven wall bricks and steel plates, the problem of incomplete void filling in the existing technology is solved, achieving a filling effect with high fluidity and high bonding strength, thus extending the service life of the coke oven.
CN118724569BActive Publication Date: 2026-07-03SHANDONG IRON & STEEL CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHANDONG IRON & STEEL CO LTD
- Filing Date
- 2024-06-12
- Publication Date
- 2026-07-03
Abstract
This invention belongs to the field of refractory materials for coke oven repair in the iron and steel industry, specifically relating to a filler for the voids between coke oven wall bricks and steel plates, and its preparation method. By weight percentage, the filler raw material components include: fused silica: 16%–30%, calcined silica: 10%–35%, aluminum powder: 10%–15%, iron powder: 7%–20%, FeO: 5%–20%, ZnO: 5%–15%, CrN: 1%–5%, active α-Al₂O₃: 2%–8%, and water-reducing agent: 0.1%–0.3%. The filler of this invention can achieve bidirectional fusion bonding with the furnace wall refractory bricks and steel plates, exhibiting high bonding strength and long adhesion time.
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