Solid waste pyrolysis waste residue sintered brick and preparing method thereof

一种固体废弃物热解废渣烧结砖及其制备方法

Abstract

本发明提供了一种固体废弃物热解废渣烧结砖及其制备方法,所述烧结砖按重量百分比由以下组分制备而成:黏土64~74%、煤矸石15~25%、固体废弃物热解废渣5~15%,水0.5~1.5%,将黏土、煤矸石和固体废弃物热解废渣经颚式破碎机、锤式破碎机、细碎对辊机三级破碎,经双轴搅拌机进行搅拌,然后将混合均匀的物料输送至陈化库进行陈化,使原料充分均化,之后再输送至成型车间,经挤出机挤出成型,得到坯体,最后将坯体送入到隧道干燥室进行干燥,得到成品。本发明采用垃圾处理过程中固体垃圾经热解气化反应后所剩余的废渣作为烧结砖原料,实现了城乡废弃物的资源化利用,保障垃圾无害化、减量化和资源化的处理,同时也大大降低制砖成本,提高了烧结砖的强度。
The invention provides a solid waste pyrolysis waste residue sintered brick and a preparing method of the solid waste pyrolysis waste residue sintered brick. The sintered brick is prepared by the following components of, by weight, 64% to 74% of clay, 15% to 25% of coal gangue, 5% to 15% of solid waste pyrolysis waste residues and 0.5% to 1.5% of water. The clay, the coal gangue and the solid waste pyrolysis waste residues are crushed through a jaw crusher, a hammer crusher and a fine grinding roll crusher in three levels and stirred through a double-shaft mixer, evenly-mixed materials are conveyed to an aging bin to be aged, the raw materials are fully homogenized, then conveyed to a forming workshop and extruded and formed through an extruder, so that a blank is obtained, finally the blank is conveyed to a tunnel drying chamber to be dried, and therefore a finished product is obtained. The waste residues remaining after a solid waste pyrolysis gasification reaction in the waste disposal process serve as the raw materials of the sintered brick, resource utilization of urban and rural waste is achieved, waste harmless, reducing and recycling disposal is guaranteed, meanwhile brick making cost is greatly reduced, and strength of the sintered brick is improved.

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