Cemented filling method of anti-corrosion silicon ash cementing materials in metal mine

Abstract

The invention discloses a cemented filling method of anti-corrosion silicon ash cementing materials in a metal mine. The cemented filling method of anti-corrosion silicon ash cementing materials in the metal mine comprises the following steps of (1) preparation of filling sites; (2) preparation of the anti-corrosion silicon ash cementing materials; (3) preliminary mixing of filling slurry; (4) secondary stirring of the filling slurry; and (5) filling. Long-term stability of a filling body can be ensured and collapsing is not prone to occuring. According to the cemented filling method of anti-corrosion silicon ash cementing materials in a metal mine, continuous filling can be realized, and the stability of the mining site pressure is beneficial to be ensured, the occurrence probability of geological disasters is reduced, and the method is safe and reliable.

Description

technical field [0001] The invention relates to a method for cementing and filling metal mines with an anti-corrosion silica fume gel material. Background technique [0002] my country is a big producer and consumer of mineral resources. There are more than 110,000 non-coal mines alone, with an annual output of nearly 5 billion tons of ore and an annual output value of more than 500 billion yuan. Mining is the basis for the development and utilization of mineral resources, but while mining provides raw materials for human beings, it will inevitably destroy the surface environment. With the rapid development of industry, the demand for minerals is increasing rapidly, but mineral resources are becoming increasingly exhausted. The safety and environmental problems caused by resource development and utilization are quite prominent. However, most mining enterprises in my country have small production scales, backward technology, and blind production. The nature and passivity are ...