The magnesium iron spinel brick is a new product for cement kilns successfully manufactured by Henan Hongtai Kiln Refractory. It is a new generation of basic refractories with better technical content at present. Mainly used in the firing zone of large-scale new dry cement kiln: MgO-Fe2O3-Al2O3 spinel and periclase are the main crystal phases. 

Features of magnesium iron spinel brick

(1) Magnesium iron spinel brick during the use process, the hot surface of the brick forms a layer of calcium iron or calcium-aluminum-iron-oxide with high viscosity, which improves the performance of the hanging kiln skin and the firmness of the kiln skin, and is suitable for protecting the lining brick. Period extension.

(2) The spinel content is high, which not only has high strength but also has excellent thermal shock resistance, and can effectively resist the chemical erosion of cement clinker liquid phase and alkali, sulfur, and other gases.

(3) Spinel and periclase have inconsistent thermal expansion during firing and cooling, and the micro-cracks formed between them can buffer the stress impact caused by temperature changes and avoid brittle bursting of lining bricks.

(4) Chromium-free and environmentally friendly.

Product model: B620/B320, B622/B322

Specifications of magnesium iron spinel brick