Steamed and pressed coal ash tailing brick

The invention discloses a steamed and pressed coal ash tailing brick. The brick is prepared with the following raw materials by weight: 50-60 parts of coal ash, 20-25 parts of tailing, 13-16 parts of calcium carbide, 25-30 parts of gypsum, 6-8 parts of zeolite, and 2-4 parts of compound modified mineral powder. The compound modified mineral powder can increase strength and service life of the brick obviously, and make the brick not easy to break. The steamed and pressed coal ash tailing brick is of high tailing utilization rate, and can effectively drive the tailing to use in the field of the steamed and pressed brick.