company news about Use dry masonry arch refractory brick

With arch refractory bricks dry masonry, its requirements and wet masonry is similar, finally should be 2mm after steel wedge. Steel plate should be smooth, no bump, no burr, no rust, head of application of grinding wheel to grind out less than 60 wedge angle, in order to wedge. A brick joints can only be wedged into a piece of steel plate, the prohibition of a brick joints wedge two pieces of steel plate. Plate should not wedge lock stitch brick brick joints, should be separated by 1 ~ 2 brick joints.
Industrial furnace refractory material for chemical composition and physical structure is different, and different building method and masonry materials, volume expansion after heated also have certain difference. The large volume of refractory material expansion joints, should be based on the above factors to determine the. Usually the expansion joint spacing should be between 1.5 ~ 2m. Working temperature lower than 800 DEG C Class III fire clay brick masonry, brick masonry and diatomite brick masonry, because expansion is smaller, its strong absorption capacity, within the length of the 4m, not to set expansion joints. In general, expansion joints shall be taken as the width of the heating surface at the maximum temperature 50% ~ 100% of the theoretical amount of expansion.

With arch refractory bricks dry masonry, its requirements and wet masonry is similar, finally should be 2mm after steel wedge. Steel plate should be smooth, no bump, no burr, no rust, head of application of grinding wheel to grind out less than 60 wedge angle, in order to wedge. A brick joints can only be wedged into a piece of steel plate, the prohibition of a brick joints wedge two pieces of steel plate. Plate should not wedge lock stitch brick brick joints, should be separated by 1 ~ 2 brick joints.
Industrial furnace refractory material for chemical composition and physical structure is different, and different building method and masonry materials, volume expansion after heated also have certain difference. The large volume of refractory material expansion joints, should be based on the above factors to determine the. Usually the expansion joint spacing should be between 1.5 ~ 2m. Working temperature lower than 800 DEG C Class III fire clay brick masonry, brick masonry and diatomite brick masonry, because expansion is smaller, its strong absorption capacity, within the length of the 4m, not to set expansion joints. In general, expansion joints shall be taken as the width of the heating surface at the maximum temperature 50% ~ 100% of the theoretical amount of expansion.