“千锤万凿出深山,烈火焚烧若等闲。粉身碎骨浑不怕,要留清白在人间”。这是明代诗人于谦在《咏石灰》中写的著名诗篇,他用寥寥数笔勾画出了人们所熟悉的建筑材料——石灰。生产石灰的原料丰富,工艺简单,成本低廉,从古至今一直被广泛地应用于建筑工程中,起着胶结作用,像3:7灰土、混合砂浆、无熟料水泥等,除此以外它还具有吸潮、杀菌、增白等许多特点,在我们日常生活中也应用繁多: “Thousands of hammers are cut out of the mountains. If the fire burns, wait. It’s not afraid to get rid of the bones. Let’s stay in the world.” This is a famous poem written by Yu Qian, a poet in the Ming Dynasty, in “Lian Lime”. He used a few pens to sketch out the familiar building material—lime. Lime is rich in raw materials, simple in process, and low in cost. It has been widely used in construction projects since ancient times and has played a cementing role, such as 3:7 lime soil, mixed mortar, non-clinker cement, etc. It has many characteristics such as moisture absorption, sterilization, whitening, etc. It is also used in our daily life: