Water rock combined grouting filling stope sedimentation control and water control method

A stope and grouting technology, applied in drainage, filling, mining equipment, etc., can solve the problems of surface subsidence, water resources waste, water hazards, etc., to reduce harm, save water resources, and reduce production costs.

CN108518241AActive Publication Date: 2018-09-11NORTHEASTERN UNIV LIAONING
9 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2018-09-11

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a water rock combined grouting filling stope sedimentation control and water control method. The method comprises the steps that an overlying strata is born by depending on a combined structure formed by water, slurry and falling rocks; in the exploitation process of mineral resources in stope, accumulated water is pumped into a temporary water warehouse with certain strength in the stope; after exploitation, a roof strata collapses, stope strata gravel is settled around the temporary water warehouse, slurry grouting is conducted, and the gravel is coagulated together to form a similar dome-shaped supporting body. Accordingly, the accumulated water in the exploitation process is stored for application specially for the condition that a water-bearing stratum is destroyed; meanwhile, by means of the bearing capacity of the water and the temporary water warehouse, the similar dome structure is formed in the strata gravel collapsing space, and the sedimentation control effect on the earth surface is achieved. Accordingly, the method has the effects of water retention, water proofing, sedimentation reducing and the like, filling materials are low in dosage, the cost is low, operation is easy, the engineering effect is significant, the method is suitable for the stratum with the small inclined angle, and the method can be applicable to west water retention exploitation and anti-settlement exploitation of a mining area.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to a method for controlling surface subsidence, processing stope water, and secondary utilization of mining area water in mineral mining, in particular to a water-rock combined grouting filling stope method for controlling subsidence and controlling water, belonging to the field of mine safety and green mining. Background technique

[0002] After the mining of mineral resources, due to the instability of the rock formation, the impact on the surface begins to appear, and this impact is destructive, causing large-scale surface subsidence accidents, destroying the surface ecological environment, and endangering the safety of people's lives and property.

[0003] Furthermore, in the process of mining mineral resources, the impact on groundwater and surface water is also great. The excavation of the stratum destroys the water flow channels in the rock formation or induces the evolution of channels to intensify, resulting in the loss of...

Examples

Embodiment Construction

[0038] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0039] A water-rock combined grouting filling stope water control method of the present invention comprises the following steps:

[0040] Step 1: measure the water content in the engineering area in the early stage of mining, and estimate the parameters of the stope; and calculate the estimated total drainage volume in the stope according to the water content of the mine, and design a single temporary water tank 7 and its volume and level group number , to ensure that the temporary water tank 7 is in a fully expanded state after the water is pressurized and pumped into the stagnant water;

[0041] Step 2: Fix the lower surface of the temporary water tank to the bottom plate with a diaphragm 10 and ensure full contact with the bottom plate. A layer of thin diaphragm 15 is also laid on the outside of the inner surface layer 5. At the same time, the inner surface layer ...