CN112576255A - Semi-continuous process combined bench mining method without open cut - Google Patents
Semi-continuous process combined bench mining method without open cut Download PDFInfo
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- CN112576255A CN112576255A CN202011575978.2A CN202011575978A CN112576255A CN 112576255 A CN112576255 A CN 112576255A CN 202011575978 A CN202011575978 A CN 202011575978A CN 112576255 A CN112576255 A CN 112576255A
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- 238000005065 mining Methods 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000010924 continuous production Methods 0.000 title claims abstract description 14
- 230000005012 migration Effects 0.000 abstract description 6
- 238000013508 migration Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000012546 transfer Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C47/00—Machines for obtaining or the removal of materials in open-pit mines
Abstract
The invention provides a semi-continuous process combined step mining method without an opening notch, wherein a mining breadth is divided on a region to be mined; numbering the digging breadths, wherein each digging group comprises a first breadths, a second breadths and a third breadths; counting a plurality of mining groups from left to right in sequence; mining the first breadth, the second breadth and the third breadth of the first mining group to a first preset depth, then mining the first breadth and the second breadth to a second preset depth, moving a working face belt conveyor to the third breadth of the first mining group, mining the first breadth, the second breadth and the third breadth of the second mining group to the first preset depth, and mining the third breadth of the first mining group, the first breadth and the second breadth of the second mining group to the second preset depth; the steps are repeated, so that the system moving limit during combined bench mining is overcome; the migration period can be effectively prolonged, and the recoverable amount in the migration period is improved; the method is simple and easy to implement and has strong operability; the annual transfer times of the process system are reduced.
Description
Technical Field
The invention relates to the technical field of strip mine mining methods, in particular to a semi-continuous process combined bench mining method without an open cut.
Background
At present, although China has the capacity of combined bench mining in the application of a self-moving crusher semi-continuous process, the prior operation mode has the following defects in the aspects of moving period and mining efficiency:
1. the number of the samplings in the shifting period is small, and the requirement of 'three samplings and one shifting' in design cannot be met; 2. after the third extraction cut is made, a working face belt conveyor needs to be moved, so that the system efficiency is influenced; 3. limited by the height of the steps, single-step operation is mostly adopted.
Disclosure of Invention
In order to solve the technical problems, the invention provides a semi-continuous process combined bench mining method without an open cut, which has the following specific technical scheme:
the embodiment of the invention provides a semi-continuous process combined step mining method without an open cut, which comprises the following steps:
s110, dividing mining breadth on an area to be mined, wherein the width of each mining breadth is equal and every two mining breadths are parallel; s120, numbering the mining breadth, marking three adjacent mining breadths as 1, 2 and 3, and sequentially marking to finish the marking, namely forming a plurality of mining groups, wherein each mining group comprises a first breadth, a second breadth and a third breadth; s130, counting from left to right in sequence to form a first mining group, a second mining group and a third mining group; s140, mining the first breadth, the second breadth and the third breadth of the first mining group to a first preset depth, then mining the first breadth to a second preset depth, and mining the second breadth to the second preset depth, wherein the second preset depth is larger than the first preset depth; s150, moving the working face belt conveyor to a third breadth of the first digging group, mining the first breadth, the second breadth and the third breadth of the second digging group to a first preset depth, and mining the third breadth of the first digging group, the first breadth and the second breadth of the second digging group to a second preset depth; and S160, repeating the step S150 until the mining of the area to be mined is finished.
Further, before step S110, a topographic map of the area to be mined is obtained, the mining breadth is divided on the topographic map, a marking drawing is made, and marking is performed on the area to be mined according to the marking drawing.
The embodiment of the invention provides a semi-continuous process combined step mining method without an open cut, which comprises the following steps: s110, dividing mining breadth on an area to be mined, wherein the width of each mining breadth is equal and every two mining breadths are parallel; s120, numbering the mining breadth, marking three adjacent mining breadths as 1, 2 and 3, and sequentially marking to finish the marking, namely forming a plurality of mining groups, wherein each mining group comprises a first breadth, a second breadth and a third breadth; s130, counting from left to right in sequence to form a first mining group, a second mining group and a third mining group; s140, mining the first breadth, the second breadth and the third breadth of the first mining group to a first preset depth, then mining the first breadth to a second preset depth, and mining the second breadth to the second preset depth, wherein the second preset depth is larger than the first preset depth; s150, moving the working face belt conveyor to a third breadth of the first digging group, mining the first breadth, the second breadth and the third breadth of the second digging group to a first preset depth, and mining the third breadth of the first digging group, the first breadth and the second breadth of the second digging group to a second preset depth; s160, repeating the step S150 until the mining of the area to be mined is finished, wherein the semi-continuous process combined bench mining method without the cut has the following advantages: 1. the system moving limit during combined bench mining is overcome, and multi-mining-amplitude and high-bench mining can be realized; 2. the migration period can be effectively prolonged, and the recoverable amount in the migration period is improved; 3. the method is simple and easy to implement and has strong operability; 4. the annual transfer frequency of the process system is reduced, the pure operation time of the system is prolonged, and the production capacity is improved. Has good economic benefit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a flow chart of a semi-continuous process combined bench mining method without an open cut according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a mining panel division according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 and 2, an embodiment of the present invention provides a semi-continuous combined bench mining method without an open cut, including:
s110, dividing mining breadth on an area to be mined, wherein the width of each mining breadth is equal and every two mining breadths are parallel; s120, numbering the mining breadth, marking three adjacent mining breadths as 1, 2 and 3, and sequentially marking to finish the marking, namely forming a plurality of mining groups, wherein each mining group comprises a first breadth, a second breadth and a third breadth; s130, counting from left to right in sequence to form a first mining group, a second mining group and a third mining group; s140, mining the first breadth, the second breadth and the third breadth of the first mining group to a first preset depth, then mining the first breadth to a second preset depth, and mining the second breadth to the second preset depth, wherein the second preset depth is larger than the first preset depth; s150, moving the working face belt conveyor to a third breadth of the first digging group, mining the first breadth, the second breadth and the third breadth of the second digging group to a first preset depth, and mining the third breadth of the first digging group, the first breadth and the second breadth of the second digging group to a second preset depth; and S160, repeating the step S150 until the mining of the area to be mined is finished.
In a specific embodiment, before step S110, a topographic map of an area to be mined is obtained, a mining breadth is divided on the topographic map, a scribing drawing is made, and scribing is performed on the area to be mined according to the scribing drawing.
The embodiment of the invention provides a semi-continuous process combined step mining method without an open cut, which comprises the following steps: s110, dividing mining breadth on an area to be mined, wherein the width of each mining breadth is equal and every two mining breadths are parallel; s120, numbering the mining breadth, marking three adjacent mining breadths as 1, 2 and 3, and sequentially marking to finish the marking, namely forming a plurality of mining groups, wherein each mining group comprises a first breadth, a second breadth and a third breadth; s130, counting from left to right in sequence to form a first mining group, a second mining group and a third mining group; s140, mining the first breadth, the second breadth and the third breadth of the first mining group to a first preset depth, then mining the first breadth to a second preset depth, and mining the second breadth to the second preset depth, wherein the second preset depth is larger than the first preset depth; s150, moving the working face belt conveyor to a third breadth of the first digging group, mining the first breadth, the second breadth and the third breadth of the second digging group to a first preset depth, and mining the third breadth of the first digging group, the first breadth and the second breadth of the second digging group to a second preset depth; s160, repeating the step S150 until the mining of the area to be mined is finished, wherein the semi-continuous process combined bench mining method without the cut has the following advantages: 1. the system moving limit during combined bench mining is overcome, and multi-mining-amplitude and high-bench mining can be realized; 2. the migration period can be effectively prolonged, and the recoverable amount in the migration period is improved; 3. the method is simple and easy to implement and has strong operability; 4. the annual transfer frequency of the process system is reduced, the pure operation time of the system is prolonged, and the production capacity is improved. Has good economic benefit.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (2)
1. A semi-continuous process combined bench mining method without an open cut is characterized by comprising the following steps:
s110, dividing mining breadth on an area to be mined, wherein the width of each mining breadth is equal and every two mining breadths are parallel;
s120, numbering the mining breadth, marking three adjacent mining breadths as 1, 2 and 3, and sequentially marking to finish the marking, namely forming a plurality of mining groups, wherein each mining group comprises a first breadth, a second breadth and a third breadth;
s130, counting from left to right in sequence to form a first mining group, a second mining group and a third mining group;
s140, mining the first breadth, the second breadth and the third breadth of the first mining group to a first preset depth, then mining the first breadth to a second preset depth, and mining the second breadth to the second preset depth, wherein the second preset depth is larger than the first preset depth;
s150, moving the working face belt conveyor to a third breadth of the first digging group, mining the first breadth, the second breadth and the third breadth of the second digging group to a first preset depth, and mining the third breadth of the first digging group, the first breadth and the second breadth of the second digging group to a second preset depth;
and S160, repeating the step S150 until the mining of the area to be mined is finished.
2. The method for mining a semi-continuous process combined step without an open notch as claimed in claim 1, wherein before the step S110, a topographic map of an area to be mined is obtained, a mining breadth is divided on the topographic map, a scribing drawing is made, and scribing is performed on the area to be mined according to the scribing drawing.
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| CN202011575978.2A CN112576255A (en) | 2020-12-28 | 2020-12-28 | Semi-continuous process combined bench mining method without open cut |
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| CN202011575978.2A CN112576255A (en) | 2020-12-28 | 2020-12-28 | Semi-continuous process combined bench mining method without open cut |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014001513A1 (en) * | 2012-06-29 | 2014-01-03 | Thyssenkrupp Resource Technologies Gmbh | Method for operating a plant in open-cast mining, said plant comprising a mobile crusher |
| CN104847360A (en) * | 2015-04-24 | 2015-08-19 | 华能伊敏煤电有限责任公司 | Combined step milling method of strip mine semi-continuous system |
| CN209239951U (en) * | 2018-11-08 | 2019-08-13 | 华能伊敏煤电有限责任公司 | The attaching/detaching apparatus of removable fluid pressure type turntable bracket |
| CN111411964A (en) * | 2020-04-09 | 2020-07-14 | 华能伊敏煤电有限责任公司 | Wheel bucket excavator mining method for strip mine slope breaking area |
-
2020
- 2020-12-28 CN CN202011575978.2A patent/CN112576255A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014001513A1 (en) * | 2012-06-29 | 2014-01-03 | Thyssenkrupp Resource Technologies Gmbh | Method for operating a plant in open-cast mining, said plant comprising a mobile crusher |
| CN104847360A (en) * | 2015-04-24 | 2015-08-19 | 华能伊敏煤电有限责任公司 | Combined step milling method of strip mine semi-continuous system |
| CN209239951U (en) * | 2018-11-08 | 2019-08-13 | 华能伊敏煤电有限责任公司 | The attaching/detaching apparatus of removable fluid pressure type turntable bracket |
| CN111411964A (en) * | 2020-04-09 | 2020-07-14 | 华能伊敏煤电有限责任公司 | Wheel bucket excavator mining method for strip mine slope breaking area |
Non-Patent Citations (1)
| Title |
|---|
| 张灵童: "伊敏露天矿轮斗全连续系统的引进分析", 《露天采矿技术》 * |
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