What are the three principles of light on brick production equipment. The aerated concrete blocks (each brick 10) immersed in water at 20 ± 5 ℃ for 12 hours, wiped to remove surface moisture of the specimen, and then in an oven at 60 ℃ dry bake 12 hours, such as a wet cycle, the test proceeds to the last cycle, the specimen was removed from the oven and cooled to room temperature, then soaked in water for 48 hours, the compressive strength was measured in the water-saturated state. Ten years of production practice makes Henan HongTong recognize that the production of aerated concrete blocks, aerated concrete equipment is relatively simple, easily processed, can soil the soil, Tuyangjiehe can plant side, the production side, launched faster, while the production is also the climate, and the technical and economic effect is good. For new aerated concrete plant residue to find out the source of the first to consider the "three on" principle: local materials, local production, local use. In the "crude, indigenous methods" principle, in order to build small and medium aerated concrete plant equipment is appropriate. Should be set in the factory laboratory strengthening process control and quality management. (Liu)