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Experimental apparatus and method for stoping slant medium-thick and thick ore bodies with caving method

An experimental instrument and caving method technology, applied in the direction of instruments, educational tools, teaching models, etc., can solve the problems of inability to effectively simulate mining operations on the mine site, inability to guide mining operations, and single function

Inactive Publication Date: 2018-05-25
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current simulation device has a relatively simple structure and a single function, and cannot effectively simulate the mining operations on the mine site, especially for the simulation of the mining process of inclined and steeply inclined (medium-thick) ore bodies, and cannot make effective simulations for mining operations. guide

Method used

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  • Experimental apparatus and method for stoping slant medium-thick and thick ore bodies with caving method
  • Experimental apparatus and method for stoping slant medium-thick and thick ore bodies with caving method
  • Experimental apparatus and method for stoping slant medium-thick and thick ore bodies with caving method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] This embodiment provides a single model, such as figure 1 , figure 2 As shown, the expandable experimental frame is mainly composed of the experimental frame body, the ore outlet formwork, the metal formwork, the wooden formwork, the thickness expansion board of the frame body, the movable side plate bracket and the simulation access.

[0068] In the pillar-less sub-cave mining method, the mine exit roadway is usually called "adventure", and the "simulation entrance" is a steel pipe with a square mine roadway).

[0069] The height of the test frame is 1900mm, the width is 1700mm, the thickness of the base is 1000mm, and the thickness of the frame is 140mm. In order to ensure the filling density of the model and avoid deformation such as side protrusion, the test frame uses No. 10 channel steel as the template (front and back); in order to ensure the installation of the ore-drawing test box and the height adjustment of the ore-drawing section, the test frame uses wood...

Embodiment 2

[0073] Vertical plane model ore drawing experiment box

[0074] like Figure 3 to Figure 6 As shown, the figure includes a metal template 11, a step back plate 12, a movable side plate support 13, a step division plate extraction through groove 14, a plexiglass panel 15, a frame body thickness expansion plate 16, a step division plate 17, and a Mine mouth 18, wooden formwork 19.

[0075] The vertical plane model ore-drawing test box is mainly a box body composed of a test frame, a plexiglass panel 15, a step back plate 12, and a movable side plate support 13.

[0076] The plexiglass panel 15 is fixed on the front of the test box; one side of the box is formed on the test frame with a rectangular opening, and the movable side plate support 13 is installed and fixed on the other side of the box, and the movable side support 13 is connected to the test frame. The body side panels are arranged parallel to each other. The step distance backboard 12 is provided with the step dist...

Embodiment 3

[0092] Horizontal plane model ore drawing experiment box:

[0093] like Figure 7 to Figure 10 As shown, the figure includes: metal template 21, ore outlet 22, plexiglass panel 23, frame body thickness expansion board 24, metal template 25, wooden template 26, ore outlet template 27

[0094] The ore-drawing experiment box of the horizontal plane model is mainly composed of a test frame body, a plexiglass panel 23, a metal template 25, an ore outlet template 27, and a frame body thickness expansion plate 24.

[0095] The ore outlet formwork 27 is fixed on the lower part of the front of the test box, and the plexiglass panel 23 is fixed on it; both sides of the box are made of test racks, or one side is made of open test racks, and the movable side plate bracket is installed and fixed on the other side of the box body, and the movable side bracket and the side panel of the experimental frame are arranged parallel to each other. Table 3 is a list of main components of the ore-d...

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Abstract

The invention provides an experimental apparatus and method for stoping slant medium-thick and thick ore bodies with the caving method, and belongs to the technical field of caving-method simulation experiments. The device comprises an experiment frame and a box, wherein the box is installed on the experiment frame; the experiment frame comprises an experiment frame body, a frame-body thickness expansion plate and an ore simulation inlet way; the box comprises a face plate and a side plate, and the ore simulation inlet way is installed in the box and extends to ore outlets in the surface of the box. In the improved technical scheme, an achieving device of a planar model and a stereoscopic model is arranged, and an experimental method is achieved through the achieving device. According to the experimental apparatus and method, analogue simulation of the mining process of the slant and steeply-slant (medium-thick) ore bodies can be achieved, and a technical support is provided for efficiently and economically exploiting mineral resources of mines with similar ore body existence conditions.

Description

technical field [0001] The invention provides an experimental instrument and an experimental method for mining inclined medium-thick and thick ore bodies by a caving method, and relates to the technical field of caving method simulation experiments. Specifically, it provides an experimental instrument and an experimental method for simulating "the mining process of inclined and sharply inclined medium-thick ore bodies and thick ore bodies". Background technique [0002] Caving mining method is a low-cost, high-efficiency large-scale mining method. It is characterized in that: the entire ore block is used as a mining unit, and the mining is carried out continuously according to a certain mining sequence; during the mining process, the ore is placed under the overburden rock; as the ore collapses, the surrounding rock is forced (or naturally) collapsed Fill gobs to control and manage ground pressure. [0003] For caving mining, a simulation device is usually used to design t...

Claims

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Application Information

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IPC IPC(8): G09B25/02
CPCG09B25/02
Inventor 孙金海明建高永涛张永达
Owner UNIV OF SCI & TECH BEIJING
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