在我国已有几千年历史的秦砖汉瓦和近年来推广应用的20孔粘土空心砖,所建造的房屋在耐久性、经济性和使用功能等方面确实具有其他制品所不可替代的许多优点,在人类生存和居住方面作出了巨大贡献。但是,随着全国城市化进程的加快,对建造房屋的粘土砖需求量正在急剧增大,从而导致了土地资源的进一步严重短缺,生态环境遭受严重破坏。据悉,我国现有砖瓦企业12万个,每年烧砖近7000亿块,取土14亿m~3,相当于毁田8万hm~2。而 In our country, thousands of years of Qin brick Hanwa and in recent years to promote the use of 20-hole hollow clay brick, the construction of housing in the durability, economy and the use of functions and other products do have many irreplaceable advantages, He has made great contributions to human existence and living. However, with the acceleration of the national urbanization process, the demand for clay bricks for housing construction is rapidly increasing, resulting in further serious shortage of land resources and serious ecological damage. It is reported that China’s existing 120,000 brick and tile enterprises, burning nearly 700 billion pieces of brick a year, earth 1.4 billion m ~ 3, equivalent to destruction Tian 80,000 hm ~ 2. and