Clinker-free compound-type tailing consolidating agent as well as preparation and application for same

The invention relates to a clinker-free compound-type tailing consolidating agent as well as a preparation and an application for the same, wherein the clinker-free compound-type tailing consolidating agent comprises the following components in percentage by weight: 55-72% of blast furnace water-quenched slag, 20-35% of desulfurization ash, and 2-15% of compound excitant. Via the clinker-free compound-type tailing consolidating agent disclosed by the invention, a new way is opened up for comprehensive utilization for the industrial solid wastes aforementioned, the cemented filling cost of tailing is reduced, and the purpose of treating wastes by using wastes is realized, thus obtaining remarkable, economic, social and environmental benefits.