山东新纹矿业集团公司近日研制成功真空双级全硬塑挤砖机设备 ,从根本上解决了传统煤矸石制砖成型难、质量不稳定的问题 ,为我国煤矸石资源的综合利用开辟了更加广阔的前景。目前 ,这一新技术已通过国家建材局等部门主持的鉴定 ,取得国家实用新型专利。专家们认为 ,这种设备处 Shandong Xinwen Mining Group Co., Ltd. has successfully developed a vacuum double-stage full-hard plastic extrusion brick machine equipment, which fundamentally solves the problems of difficult molding and unstable quality of traditional coal gangue brick making, and has opened up even more opportunities for the comprehensive utilization of coal gangue resources in China. Broad prospects. At present, this new technology has passed the appraisal presided over by the National Building Materials Bureau and other departments and has obtained national utility model patents. Experts believe that such equipment