Preheating-free long nozzle carbon-free lining material

The invention discloses a preheating-free long nozzle carbon-free lining material, and belongs to the technical field of refractory materials, the long nozzle lining material comprises the following raw materials by weight: 25-40 parts of zirconium mullite, 15-25 parts of corundum, 12-20 parts of cordierite, 5-15 parts of aluminum hydroxide, 5-10 parts of tungsten steel, 8-12 parts of monoclinic zirconium, 5-15 parts of calcium silicate, and 10-25 parts of a porous material. The zirconium mullite, the corundum and the cordierite are adopted as main materials, the thermal shock resistance effect during use is improved, the tungsten steel and the porous material are added, the thermal stress bearing effect is improved, the effect of direct use without preheating is achieved, molten steel scouring resistance is achieved during use, molten steel cannot be polluted during use, and the service life of the brick is prolonged. The production and use of high-quality molten steel are convenient. 本发明公开了一种免预热长水口无碳内衬材料，属于