Filling method for mining
A technology for mining and filling slurry, which is applied in the direction of filling, mining equipment, earth drilling and mining, etc. It can solve the problems of low strength, waste of mineral resources, and easy collapse, so as to avoid subsidence, reduce filling costs, and improve economic benefits Effect
Active Publication Date: 2014-03-19
CHINA ENFI ENGINEERING CORPORATION
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Problems solved by technology
However, since the gob in the stope of the second step is filled with filling slurry without cement, the filling body does not contain cement or has a small content, and its strength is low, so it is easy to collapse when mining the stope of the third step. Therefore, when mining the stope of the second step, a part of the ore adjacent to the stope of the third step in the stope of the second step is not mined, and is reserved as an ore pillar, resulting in a large waste of mineral resources
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[0022] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0023] In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.
[0024] In the description of the present invention, it should be noted that...
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The invention discloses a filling method for mining. The filling method includes the first step of mining ore in a first-step mining field in a mine body, the second step of enabling filling slurries containing cementing materials to be filled into a gob of the first-step mining field, the third step of mining ore in a second-step mining field in the mine body, the fourth step of enabling the filling slurries containing the cementing materials to be filled into a gob of the second-step mining field and filling areas adjacent to a third-step mining field in the mine body, and enabling filling slurries without the cementing materials to be filled into other areas of the gob of the second-step mining field, and the fifth step of mining ore in the third-step mining field and enabling the filling slurries without the cementing materials to be filled into a gob of the third-step mining field. According to the filling method for mining, after the ore is mined, the filling areas, adjacent to the third-step mining field, of the second-step mining field are filled with the filling slurries containing the cementing materials, and other positions of the second-step mining field are filled with the filling slurries without the cementing materials. Therefore, according to the filling method for mining, the reasonable distribution of filling strength in the gobs can be guaranteed, the cementing filling proportion of the second-step mining field is reduced, the filling cost is low, and the ore can be mined to the largest degree, so the utilization rate of the resources is improved, and the economical benefits are improved.
Description
technical field [0001] The invention relates to the technical field of metallurgy, in particular to a mining filling method. Background technique [0002] The general steps of the mining filling method in the related art are: divide the ore body into multiple panels, and the panels are divided into multiple stopes (or mining houses), such as the ends or surrounding areas of the multiple stopes of the panels It is the ore pillar (or called the third step stope), and the ore body between the ore pillars is divided into the first step stope and the second step stope arranged alternately in sequence. First, a part of the stope of the first step is mined, and then the goaf of the stope of the first step is filled with filling slurry containing cement, and then, after a predetermined period of time, the stope of the second step around it is mined, and then the stope of the second step without cement is filled. Fill the goaf of the stope of the second step with the filling slurry ...
Claims
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Inventor 施士虎杨志国王鹏飞
Owner CHINA ENFI ENGINEERING CORPORATION