Rotary Kiln Castable

Quality Certification

The product has successfully obtained ISO9001 quality management system certification, earning the trust and acclaim of numerous users in the highly competitive market environment.

Advanced Equipment

The company's technical center is equipped with a variety of experimental and testing facilities for refractory raw materials and products, including a fully automatic dilatometer, flat plate thermal conductivity meter, load-softening tester, thermal shock testing machine, and a reburning test furnace, among others.

Production Capacity

The company operates two fully automated production lines dedicated to unshaped refractory products, with a combined annual output capacity of 100,000 tons.

Before castable construction, the appearance and cleanliness of the equipment to be poured should be strictly checked. Construction machinery and tools in good condition, vibration tools must have good spare parts; The form, dimension, arrangement and welding quality of the anchoring parts, the metal anchoring parts must be compensated for expansion; Measures to prevent water loss of firebrick lining and thermal insulation; Packing and delivery date, and pre-test to see if it is invalid; The construction water must meet the quality of drinking water, qualified before construction. The construction should ensure that there is no power cut and no interruption of the construction.

The form for castable construction may be made of steel or hardwood. The template should have sufficient strength, good rigidity, no deformation, no displacement, no leakage. Steel formwork should be coated with demoulding agent and wood formwork should be painted with waterproof paint. Among them, the amount of water added should be strictly controlled according to the operating instructions. Under the premise of ensuring the construction performance, the amount of water added should be less but not more. Use the forced mixer, first dry mix, and then add 80% of the water to stir, and then depending on the degree of wet and dry, slowly add the remaining water continue to stir, until the appropriate working consistency.

Castables must be used by the whole bucket and bag, and generally used up within 30 minutes after mixing. In the high temperature dry operating environment should also be appropriate to shorten this time. Those that have already coagulated or even agglomerated shall not be poured into the mold frame, and shall not be mixed with water for reuse. When pouring into the mold frame, vibrator should be used for layered vibration immediately. The height of each layer should be no more than 300mm, and the vibration interval should be about 250mm. When shaking, avoid touching the anchoring parts as far as possible, and do not have long and heavy shaking in the same position. The vibrator should be pulled out slowly to avoid segregation and cavity.

Large area of casting, to block construction, each casting area of 1.5m2 or so is appropriate. Expansion joints shall be kept in accordance with the design and shall not be omitted. Expansion joints should be kept at the location of the anchorage parts. After the surface is dry, cover the exposed parts with plastic film or straw bag immediately. After the initial setting arrives, spray water regularly for curing and keep the surface moist. Maintenance time at least two days, the first day to frequent sprinkling. After the final setting of pouring material, the side die can be removed and continue to be watered for curing, but the load-bearing formwork can not be removed until the strength reaches 70%.