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先成型后焙烧生产超轻型烧结微孔空心砌块是一种新工艺。采用该工艺生产的砌块除保留轻质、高强、保温隔热、防火、防震等性能外，由于吸水率下降、干缩值变小，解决了先焙烧后成型工艺制作的砌块使用中开裂、渗漏问题。文中叙述了超轻型烧结微孔空心砌块的性能、特点，并与先焙烧后成型的陶粒砌块作了对比；讨论了成型机的选择，降低砌块密度、又不降低强度的措施
The first molding and then baking to produce ultra-light sintered microporous hollow block is a new process. The block produced by this process not only retains the properties of light weight, high strength, thermal insulation, fire prevention, and shockproof, but also reduces the water absorption rate and the shrinkage shrinkage, and solves the cracking during the use of the block after the first baking process. , leakage problems. The properties and characteristics of the ultra-light sintered microporous hollow block are described in this paper, and compared with the ceramsite block formed after roasting; the selection of the forming machine is discussed, the density of the block is reduced, and the strength is not reduced.