CN110197318A - Surface mine Grade Model update method - Google Patents
Surface mine Grade Model update method Download PDFInfo
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- CN110197318A CN110197318A CN201910175738.4A CN201910175738A CN110197318A CN 110197318 A CN110197318 A CN 110197318A CN 201910175738 A CN201910175738 A CN 201910175738A CN 110197318 A CN110197318 A CN 110197318A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 13
- 239000011435 rock Substances 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 11
- 238000005065 mining Methods 0.000 claims description 12
- 238000005422 blasting Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention discloses a kind of surface mine Grade Model update methods, comprising the following steps: blasthole is divided into several groups, successively handles each group of blasthole by (1) the quick-fried heap attribute according to belonging to blasthole；(2) quick-fried heap top surface range wire frame is created according to first group of blasthole aperture coordinate；(3) by the mobile duplication of quick-fried heap top surface range wire frame, quick-fried heap bottom surface range wire frame is obtained, the more new range of Grade Model is created according to two muckpile scope wire frames；(4) Grade Model more in new range carries out grade update using blasthole rock powder sample chemical examination information as sample spot；(5) other updates of each group blasthole to Grade Model are completed according to the same principle of upper three steps.Surface mine Grade Model update method provided by the invention can be realized the update that surface mine Grade Model is completed using blasthole aperture coordinate and blasthole rock powder sample the chemical examination information of actual measurement.
Description
Technical field
The present invention relates to Surface Mine surveys and geology field, and in particular to a kind of surface mine Grade Model update side
Method.
Background technique
Grade Model refers to, using the geological prospecting data of mine early stage, the sky for being used to simulate non-homogeneous ore body of foundation
Between be distributed, by differing in size and the cuboid block of non-overlap is constituted, each cuboid block includes each of the block position ore body
Kind element grade information and some other attribute.Due to apart from each other, Grade Model between the geological prospecting borehole of early stage
The preservation situation of ore body can only substantially be embodied, the element grade information in Grade Model often with actually have difference.For outdoor
For mine, when Mining scheme is worked out in mine, it is desirable to be able to there is accurate Grade Model, mine common practice is to pass through
Encryption exploration realization, this method higher cost.At the same time, surface mine exploitation in usually to the blasthole aperture coordinate of explosion into
Accurate measurement is gone, blasthole rock powder sample has also carried out sample examination.For above-mentioned phenomenon, a kind of blasthole using actual measurement is needed
Aperture coordinate and rock powder sample chemically examine information, complete the method that surface mine Grade Model updates, and realization is further accurate to obtain product
While bit model information, production cost is reduced.
Summary of the invention
For the defects in the prior art, the present invention provide it is a kind of using actual measurement blasthole aperture coordinate and rock powder sample chemically examine
Information completes the method that surface mine Grade Model updates, while can be realized further accurate acquisition Grade Model information,
Reduce production cost.
In order to solve the above technical problems, the present invention the following technical schemes are provided:
The present invention provides the blasthole aperture coordinate and rock powder sample chemical examination information of a kind of utilization actual measurement, completes surface mine grade
The method of model modification, comprising the following steps:
(1) the quick-fried heap attribute according to belonging to blasthole, is divided into several groups for blasthole, successively handles each group of blasthole；
(2) quick-fried heap top surface range wire frame is created according to first group of blasthole aperture coordinate；
(3) by the mobile duplication of quick-fried heap top surface range wire frame, quick-fried heap bottom surface range wire frame is obtained, according to two muckpile scope wire frames
Create the more new range of Grade Model；
(4) Grade Model more in new range carries out grade update using blasthole rock powder sample chemical examination information as sample spot；
(5) other updates of each group blasthole to Grade Model are completed according to the same principle of upper three steps.
Further, in the step (1) attribute information of blasthole include the affiliated mining area of blasthole, it is affiliated step, affiliated quick-fried
Heap, hole depth, ultra-deep, chemical examination coding, block encoding, mineral type and element grade chemically examine information, by quick-fried heapinfo belonging to blasthole
Identical blasthole is divided into group.
Further, according to the blasthole aperture coordinate of group actual measurement and safety distance for blasting and buffering in the step (2)
Distance creates quick-fried heap top surface range wire frame using two-dimentional α-Shape method.
It further, will be quick-fried according to ore body azimuth and inclination angle and the update depth of user setting in the step (3)
Heap top surface range wire frame is replicated according to above-mentioned parameter is mobile, obtains quick-fried heap bottom surface range wire frame；Quick-fried heap top surface range wire frame and quick-fried
The heap bottom surface range wire frame internal build triangulation network, constructs triangle between quick-fried heap top surface range wire frame and quick-fried heap bottom surface range wire frame
Net merges all triangulation networks to form more new range.Wherein, the update depth of user setting is generally 2 times of step heights, mesh
Be the Grade Model for both having updated the affiliated step of blasthole, also speculate the Grade Model for updating next step, be mine Mining scheme
Establishment provides more accurate Grade Model.
Further, the Grade Model in the step (4) in more new range with blasthole rock powder sample chemical examination information (blasthole
Attribute information) it is sample spot, using the geostatistics methods such as Inverse Distance Weighted Method or Krieger technique of estimation, calculate after updating
Grade value；According to the threshold value of user setting, if updated grade is set and the difference of current grade value is less than threshold value, with more
Grade after new sets the current grade value of covering；If updated grade is set and the difference of current grade value is greater than threshold value, pop up
Prompted dialog frame prompts user to select to cancel or all cover.
Compared with prior art, the invention has the following beneficial effects: surface mine grades provided in an embodiment of the present invention
Model update method solves blasthole aperture coordinate and rock powder sample the chemical examination information using actual measurement, updates surface mine grade mould
Type reduces production cost while realizing further accurate acquisition Grade Model information.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 shows the flow chart of surface mine Grade Model update method provided in an embodiment of the present invention；
Fig. 2 shows the schematic diagrames of strip mining transformation status stepped line and three groups of actual measurement blastholes；
Fig. 3 shows the quick-fried heap top surface wire frame created according to the blasthole aperture coordinate of actual measurement；
Fig. 4 shows ore body azimuth, inclination angle, and updates depth parameter schematic diagram；
Fig. 5 shows Grade Model and updates range effect figure；
Fig. 6 shows the effect picture before Grade Model updates；
Fig. 7 shows Grade Model according to first group of updated effect picture of blasthole；
Fig. 8 shows Grade Model according to three groups of updated effect pictures of blasthole.
Specific embodiment
With reference to the accompanying drawing and specific embodiment, the present invention will be further described.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 shows the flow chart of surface mine Grade Model update method provided by the invention.
Surface mine Grade Model update method provided in an embodiment of the present invention includes the following steps:
A1: mine has successively carried out perforated blasting operation three times, and blasthole data are divided by the quick-fried heapinfo according to belonging to blasthole
Three groups, first group of affiliated mining area of blasthole is the mining area N, and affiliated step is 085-100 step, and affiliated quick-fried heap is N201812-08513；
Second group of affiliated mining area of blasthole is the mining area N, and affiliated step is 100-115 step, and affiliated quick-fried heap is N201812-10008；Third
The group affiliated mining area of blasthole is the mining area N, and affiliated step is 100-115 step, and affiliated quick-fried heap is N201812-10009.Fig. 2 shows
Have an opencast mining of the schematic diagram of status stepped line and three groups of actual measurement blastholes.
A2: first group of blasthole of first processing, this group of safety distance for blasting are 2m, and caching distance is 4m, according to the big gun of actual measurement
Hole aperture coordinate and safety distance for blasting and buffer distance create quick-fried heap top surface wire frame using two-dimentional α-Shape method, such as Fig. 3 institute
Show.
A3: ore body azimuth is 165 ° 12 ' 27 ", inclination angle is -71 ° 36 ' 05 ", update depth and be set as 30m, such as Fig. 4 institute
Show, quick-fried heap top surface range wire frame is replicated according to above-mentioned parameter is mobile, obtains quick-fried heap bottom surface range wire frame；Quick-fried heap top surface range line
Frame and the quick-fried heap bottom surface range wire frame internal build triangulation network, construct between quick-fried heap top surface range wire frame and quick-fried heap bottom surface range wire frame
The triangulation network merges all triangulation networks to form more new range, as shown in Figure 5.
A4: the Grade Model in more new range is using blasthole rock powder sample chemical examination information as sample spot, using apart from power inverse ratio
The geostatistics methods such as method or Krieger technique of estimation calculate updated grade value；According to the threshold value of user setting, if updating
Grade afterwards is set and the difference of current grade value is less than threshold value, then sets the current grade value of covering with updated grade；If updating
Grade afterwards is set and the difference of current grade value is greater than threshold value, then pops up prompted dialog frame, and user is prompted to select cancellation or whole
Covering.Effect before Grade Model update is as shown in fig. 6, Grade Model is chemically examined according to first group of blasthole aperture coordinate and rock powder sample
Effect after information update is as shown in Figure 7.
A5: completing other updates of two groups of blastholes to Grade Model according to the same principle of above three step, updated
Effect is as shown in Figure 8.
The above embodiments are merely a preferred embodiment of the present invention, and cannot limit interest field of the invention with this, because
This is still within the scope of the present invention according to modification, equivalent variations, improvement etc. made by scope of the present invention patent.
Claims (6)
1. a kind of surface mine Grade Model update method, which comprises the following steps:
(1) the quick-fried heap attribute according to belonging to blasthole, is divided into several groups for blasthole, successively handles each group of blasthole；
(2) quick-fried heap top surface range wire frame is created according to first group of blasthole aperture coordinate；
(3) by the mobile duplication of quick-fried heap top surface range wire frame, quick-fried heap bottom surface range wire frame is obtained, is created according to two muckpile scope wire frames
The more new range of Grade Model；
(4) Grade Model more in new range carries out grade update using blasthole rock powder sample chemical examination information as sample spot；
(5) other updates of each group blasthole to Grade Model are completed according to the same principle of upper three steps.
2. surface mine Grade Model update method according to claim 1, which is characterized in that big gun in the step (1)
The attribute information in hole includes the affiliated mining area of blasthole, affiliated step, affiliated quick-fried heap, hole depth, ultra-deep, chemical examination coding, block encoding, mine
Seed type and element grade chemically examine information.
3. surface mine Grade Model update method according to claim 1, which is characterized in that root in the step (2)
According to the blasthole aperture coordinate and safety distance for blasting and buffer distance of group actual measurement, quick-fried heap top is created using two-dimentional α-Shape method
Face range wire frame.
4. surface mine Grade Model update method according to claim 1, which is characterized in that root in the step (3)
It is according to ore body azimuth and inclination angle and the update depth of user setting, quick-fried heap top surface range wire frame is mobile multiple according to aforementioned parameters
System, obtains quick-fried heap bottom surface range wire frame；Quick-fried heap top surface range wire frame and the quick-fried heap bottom surface range wire frame internal build triangulation network, quick-fried heap
The triangulation network is constructed between top surface range wire frame and quick-fried heap bottom surface range wire frame, all triangulation networks are merged to form more new range.
5. surface mine Grade Model update method according to claim 4, which is characterized in that used in the step (3)
The update depth of family setting is generally 2 times of step heights.
6. surface mine Grade Model update method according to claim 1, which is characterized in that in the step (4) more
Grade Model in new range utilizes Inverse Distance Weighted Method or Krieger valuation using blasthole rock powder sample chemical examination information as sample spot
The geostatistics methods such as method calculate updated grade value；According to the threshold value of user setting, if updated grade is set and is worked as
The difference of preceding grade value is less than threshold value, then sets the current grade value of covering with updated grade；If updated grade is set and is worked as
The difference of preceding grade value is greater than threshold value, then pops up prompted dialog frame, and user is prompted to select cancellation or all covering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910175738.4A CN110197318A (en) | 2019-03-08 | 2019-03-08 | Surface mine Grade Model update method |
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| CN201910175738.4A CN110197318A (en) | 2019-03-08 | 2019-03-08 | Surface mine Grade Model update method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20200089823A1 (en) * | 2018-03-26 | 2020-03-19 | OrePro Holdings LLC | 3d block modelling of a resource boundary in a post-blast muckpile to optimize destination delineation |
| CN113743020A (en) * | 2021-09-17 | 2021-12-03 | 中铁十九局集团矿业投资有限公司 | Method and system for establishing displacement field migration path in explosive stack |
| CN113791190A (en) * | 2021-07-30 | 2021-12-14 | 云南黄金矿业集团股份有限公司 | Novel method for carrying out blast hole measurement, grouping and sampling based on RTK |
| CN113833468A (en) * | 2021-05-28 | 2021-12-24 | 北京工业大学 | Metal strip mine blasting pile grade distribution measuring and calculating system and accurate shoveling and loading method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200089823A1 (en) * | 2018-03-26 | 2020-03-19 | OrePro Holdings LLC | 3d block modelling of a resource boundary in a post-blast muckpile to optimize destination delineation |
| US11681837B2 (en) * | 2018-03-26 | 2023-06-20 | Orica Usa Inc. | 3D block modelling of a resource boundary in a post-blast muckpile to optimize destination delineation |
| CN113833468A (en) * | 2021-05-28 | 2021-12-24 | 北京工业大学 | Metal strip mine blasting pile grade distribution measuring and calculating system and accurate shoveling and loading method |
| CN113791190A (en) * | 2021-07-30 | 2021-12-14 | 云南黄金矿业集团股份有限公司 | Novel method for carrying out blast hole measurement, grouping and sampling based on RTK |
| CN113743020A (en) * | 2021-09-17 | 2021-12-03 | 中铁十九局集团矿业投资有限公司 | Method and system for establishing displacement field migration path in explosive stack |
| CN113743020B (en) * | 2021-09-17 | 2024-05-24 | 中铁十九局集团矿业投资有限公司 | Method and system for establishing migration path of displacement field in detonation reactor |
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Application publication date: 20190903 |