CN110044223A - A kind of monitoring device and monitoring method of outdoor radioactivity mine blasting displacement - Google Patents
A kind of monitoring device and monitoring method of outdoor radioactivity mine blasting displacement Download PDFInfo
- Publication number
- CN110044223A CN110044223A CN201910324041.9A CN201910324041A CN110044223A CN 110044223 A CN110044223 A CN 110044223A CN 201910324041 A CN201910324041 A CN 201910324041A CN 110044223 A CN110044223 A CN 110044223A
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- ore
- quick
- fried
- grade
- radioactivity
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000005422 blasting Methods 0.000 title claims abstract description 29
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 18
- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 title claims abstract description 16
- 239000011435 rock Substances 0.000 claims abstract description 59
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 238000004880 explosion Methods 0.000 claims abstract description 14
- 238000005474 detonation Methods 0.000 claims abstract description 7
- 230000037452 priming Effects 0.000 claims description 6
- 230000005284 excitation Effects 0.000 claims description 5
- 239000002360 explosive Substances 0.000 claims description 5
- 239000003999 initiator Substances 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 4
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000005065 mining Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229910052770 Uranium Inorganic materials 0.000 description 2
- 239000010438 granite Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 2
- 241000219098 Parthenocissus Species 0.000 description 1
- 241000923606 Schistes Species 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 241000519996 Teucrium chamaedrys Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention discloses the monitoring devices and monitoring method of a kind of outdoor radioactivity mine blasting displacement, utilize the portable gamma detection instrument of the miniature instrument of radioactivity mine indispensability, detection cover is formed after being fixed in the top inner wall of cover, input cost is low, but measurement accuracy is effectively raised, and provides new method for explosion displacement monitoring.When explosion displacement monitoring is implemented, after detonation blasting network, detection cover is placed at the measuring point selected on quick-fried heap, the grade of ore that interior atomic ore is covered in detection can accurately be measured, by the way that the grade of ore of each measuring point is matched with its position coordinates, carrying out space interpolation can get grade data of each point in quick-fried heap and draws out the isogram of quick-fried area's grade of ore according to this, on isogram according to the cutoff grade of ore divide it is quick-fried after ore-rock line of demarcation, ore and barren rock separately shovels into dress and stacking.Explosion displacement monitoring is accurate, is particularly suitable for the exploitation of high value, the rare ore of low reserves, to solve the problems, such as mine depletion loss.
Description
Technical field
The present invention relates to a kind of mine blasting effect control technologies, and in particular to a kind of outdoor radioactivity mine blasting displacement
Monitoring device and monitoring method.
Background technique
Air bench blasting technology is the typical production technology of Open Pit Mines At Home And Abroad, is every year global metal, nonmetallic
Huge contribution is made in exploitation.In mine blasting operation process, rock mass first under the action of explosion energy be crushed, then towards
The movement of scope of freedom direction, is finally piled up in front of the scope of freedom, forms common quick-fried heap.
Obviously for extensive, big thickness, the useless boundary of mine, the quick-fried area of even pure barren rock or pure ore, ore and barren rock
It is easy to distinguish after quick-fried, engineers and technicians can command shovel dress according to apparent boundary line of ore bed and rock.For nugget small scale, thickness
Small, mine, which is given up, is mingled with serious quick-fried area, and ore and barren rock mix seriously in quick-fried heap, and engineers and technicians can not effectively distinguish ore
And barren rock, it can only be transported to refuse dump using quick-fried preceding ore-rock line of demarcation commander shovel dress, a large amount of ores, a large amount of barren rocks are sent to smelting
Workshop is refined, serious ore dilution loss is caused, seriously compromises mine economic profit.
For being worth lower or rich reserves ore, ore and barren rock mixing for mining economy under blasting energy
Influence is smaller, but for the high values such as gold, silver, uranium, the rare ore of low reserves, ore and barren rock mixing under blasting energy will
It will lead to great economic benefit loss.
Summary of the invention
The purpose of the present invention is to provide a kind of input cost is low, but displacement monitoring is easy to operate, result is accurately outdoor
The monitoring device and monitoring method of radioactivity mine blasting displacement.
The monitoring device of this outdoor radioactivity mine blasting displacement provided by the present application, including portable gamma detection instrument
With the detection cover that can completely cut off ray, portable gamma detection instrument is fixed in detection cover.
In a kind of embodiment of above-mentioned monitoring device, the detection cover includes pot cover type cover and is connected to its outer wall
Hook, the portable gamma detection instrument are fixed on the inner wall of pot cover type covering on top.
In a kind of embodiment of above-mentioned monitoring device, the pot cover type cover and hook are all made of material lead and are made.
The method that above-mentioned monitoring device provided by the present application carries out explosion displacement monitoring, comprising the following steps:
(1) the quick-fried preceding ore-rock line of demarcation in the quick-fried area of this separate explosion is determined;
(2) explosive is packed into blasthole after placing igniting primer in the blasthole for having completed drilling, finally using filling
Substance fills blasthole to aperture, with excitation needle or initiator detonation blasting network;
(3) it selectes in quick-fried heap or a fixed point of quick-fried out-pile is as reference point, be arranged on quick-fried heap according to fixed line-spacing
Survey line and measuring point;
(4) each measuring point uses monitoring device as described in claim 1 progress radioactivity monitoring, record prison on quick-fried heap
The three-dimensional coordinate of measuring point and portable gamma detection instrument reading;
(5) reading that gamma detection instrument portable at each measuring point obtains is converted to using its included grade peg model
The grade of ore;
(6) grade of ore for obtaining the two-dimensional coordinate (x and y coordinates) of each measuring point and step (5) inputs computer, to measure
Coordinate and grade data be initial data using numerical interpolation method carry out space interpolation obtain the ore of each point in quick-fried area
Grade data draw the isogram of quick-fried area's grade of ore;
(7) quick-fried rear ore-rock line of demarcation is divided according to ore cut off grade on the isogram of the grade of ore, followed by
Ore-rock line of demarcation carries out the separated shovel dress of ore and barren rock and stacks after quick-fried.
In the above method, when step (1) is implemented, quick-fried preceding ore-rock line of demarcation is logged well according to mine exploration, geological record, blasthole
Radioactivity data determines in the quick-fried area obtained.
In the above method, when step (2) is implemented, igniting primer is made of priming bomb and detonator.
In the above method, when step (2) is implemented, when selecting Nonel detonator, electric cap or excitation needle detonation are selected
Blasting network, when selecting digital electric detonator, by dedicated initiator detonation blasting network.
It is quick-fried since fractured rock will be accumulated under the action of explosion energy when step (4) is implemented in the above method
Heap top rock and lower part rock grade may differ by it is larger, therefore for the eminence in quick-fried heap can be used spade carry out 0.5
The excavation of~1.0m depth, then carries out radioactivity survey again.
In the above method, when step (6) is implemented, numerical interpolation method can select Spline Interpolation Method, Ordinary Kriging Interpolation
Method and invertible matrix formula.
The present invention utilizes the portable gamma detection instrument of miniature instrument of radioactivity mine indispensability, is fixed in the top of cover
Detection cover is formed after portion's inner wall, production is simple, and input cost is low, but effectively raises measurement accuracy, while shifting for explosion
Monitoring provides new method.When explosion displacement monitoring method is implemented, after the blasting network that detonates, detection cover is placed on quick-fried heap and is selected
At fixed measuring point, the grade of ore that interior atomic ore is covered in detection can be accurately measured by portable gamma detection instrument, is led to
It crosses and matches the grade of ore of each measuring point with its position coordinates, then carrying out space interpolation can get the grade of each point in quick-fried heap
Data and the isogram for drawing out quick-fried area's grade of ore according to this, on isogram according to ore cutoff grade divide it is quick-fried after
Ore-rock line of demarcation, and then ore and barren rock are separately shoveled into dress and stacked.Detection cover is placed after quick-fried, it is easy to operate, safe and reliable, it is quick-fried
The division in ore-rock line of demarcation is accurate afterwards, that is to say, that explosion displacement monitoring is accurate, and ore and barren rock can separate shovel dress, separates heap
It puts, is particularly suitable for the exploitation of high value, the rare ore of low reserves, strong solves the problems, such as the depletion loss in mine, is mine
Mountain obtains bigger economic interests and provides approach.
Detailed description of the invention
Fig. 1 is the use state diagram of one embodiment of the invention borehole blasting displacement monitoring device.
Fig. 2 is the quick-fried preceding ore-rock line of demarcation and overall situation survey grid elevational schematic view of the present embodiment.
Fig. 3 is the middle-size and small-size quick-fried area filling of the present embodiment treated blasthole schematic diagram.
Fig. 4 is that the ore-rock line of demarcation in the small-sized quick-fried area of the present embodiment changes schematic diagram.
Serial number in figure:
1, cover;1-1- hook;2, portable gamma detection instrument;
3, quick-fried preceding ore-rock line of demarcation;4, quick-fried heap boundary line;
5, explosive;6, priming bomb;7, Nonel detonator;8, filler;9, detonator;
10, the isopleth of the grade of ore;11, quick-fried rear ore-rock line of demarcation.
Specific embodiment
Thinking of the invention is first drilling blasthole and determines quick-fried area according to mine exploration, geological record, log data etc.
Quick-fried preceding ore-rock line of demarcation, then carries out blast hole projectile filling, and the blasthole for completing powder charge is linked to be initiation net, is risen to initiation net
It is quick-fried;Measuring point and survey line are set according to certain distance on the quick-fried heap after detonation again;Use can directly measure this at each measuring point again
The midget plant of the grade of ore of position atomic ore carries out radioactivity survey;Finally by the coordinate and the grade of ore of each measuring point
It is corresponding, the isogram that the global grade of ore draws the grade of ore is obtained by spatial interpolation methods, according to isopleth
Figure can accurately delimit quick-fried rear ore-rock line of demarcation, finally command forklift that ore and barren rock are separately shoveled dress and stacked.
The explosion that the present embodiment is applied to Blasting In The Open Mining area as shown in Figure 2 shifts measurement, which contains ground
Layer includes the Rock Species such as granite, griotte, gneiss, schist, and ore contains complex shape and scale is inconsistent,
The granite of uranium-bearing is often surrounded in the form of isolated island by barren rock.Step height is 7.5m, aperture 165mm, Hole pattern parameters are 4.5 ×
5.0m。
When it is implemented, the present invention utilizes the portable gamma detection instrument of miniature instrument of radioactivity mine indispensability, consolidate
Detection cover as shown in Figure 1 is formed after the top inner wall of cover.
As shown in Figure 1, detection cover mainly includes cover 1 and portable gamma detection instrument 2, cover 1 is the shape of pot cover type,
Portable gamma detection instrument 2 is fixed on the top inner wall of cover 1.It is operated for the ease of the dispensing of cover, outside the top of cover
Wall is provided with hook 1-1.
Cover and hook are all made of metallic lead production, such cover can preferably completely cut off cover external beam, make in cover
Portable gamma detection instrument can accurately measure the radioactive intensity of atomic ore in cover.
Before launching detection cover, it need to perform the following operation:
(1) it is designed according to explosion and is drilled in designated position;
(2) the quick-fried preceding ore-rock line of demarcation in quick-fried area is determined
Radioactivity data determines in quick-fried area in the quick-fried area obtained according to mine exploration, geological record and blasthole radioactivity survey
Quick-fried preceding ore-rock line of demarcation.
Specifically, mining geology model file is opened using three-dimensional mining software Datemine, is mark with the grade of ore
Standard carries out color allocation, and the barren rock of no mine will be presented apparent color difference from the nugget of different grades, and thereby determine that initial mine
Rock line of demarcation, the initial ore-rock line of demarcation 3 of division is with inner region for quick-fried area's ore region, and initial ore-rock line of demarcation 3 is with outskirt
The area Yu Weigaibao barren rock region, the upper area of quick-fried heap boundary line 4 are that the quick-fried area rear portion retains rock mass region, quick-fried heap boundary line 4
Lower zone be the flat site exploited, as shown in Figure 2.
(3) it is packed into explosive 5 in the blasthole completed, places the priming being made of priming bomb 6 and Nonel detonator 7
Packet fills blasthole using filling substance 8, as shown in Figure 3.
Specifically, two hairs are delayed into the time to use detonator 9 in the insertion priming bomb 6 of Nonel detonator 7 of 500ms
Igniting primer is lifted to the position apart from blasthole bottom hole about 1m, injects the mixed loading emulsion explosive to specified dress using blasting agent mixing vehicle
Medicine height, engineers and technicians are harrowed drilling cuttings into blasthole and by blast hole stemming to aperture using creeper.
(4) blasting network, and the blasting network that detonates are connected.
Specifically, using between the hole outlet of 75ms Nonel detonator connection 42ms hole exit orifice between Nonel detonator,
The starting point of blasting network detonator 9 is closed into tip cut-off.By in the detonator for exciting needle insertion opening, detonate with initiator
Needle is excited, the excitation work of blasting network is completed.
(5) it selectes in quick-fried heap and is a little used as reference point, survey line and measuring point are set according to fixed line-spacing in burst region,
And it is identified on each measuring point using red paint.
So far, it can start to launch detection cover, carry out radioactivity survey using detection cover at each measuring point marked,
The reading for recording portable gamma detection instrument, the three-dimensional coordinate of each measuring point is obtained using GPS positioning instrument.In the process, measuring point
The acquisition of three-dimensional coordinate is mutually matched with radioactivity survey need of work, in order to the processing and analysis of later data.This implementation
Example preferably Trimble R10 intelligence receiving instrument is as GPS positioning instrument.The reading that each portable gamma detection instrument obtains is passed through again
Its included grade peg model is converted to the grade of ore.But the grade peg model of portable gamma detection instrument has to pass through school
It is right, and match with used portable gamma detection instrument.
Next operation is exactly that the two-dimensional coordinate combination grade of ore of each measuring point is inputted computer, utilizes space interpolation side
Method obtains the grade of ore data of each point in quick-fried heap, draws the isopleth 10 of quick-fried area's grade of ore, as shown in Figure 4.Specifically
For, the present embodiment carries out interpolation to two-dimensional coordinate and grade of ore data by Kriging regression method, with Surfer software
Draw the isogram of quick-fried area's grade of ore.
In mining practice, ore and barren rock are distinguished with cutoff grade, and the rock higher than cutoff grade is
Ore needed for mining production, lower than the barren rock that the rock of cutoff grade does not have extraction value as.Based on the grade of ore
Isogram, Mining Engineer divide quick-fried rear ore-rock line of demarcation 11 according to ore cut off grade in the isogram of the grade of ore,
Wherein 11 interior zone of ore-rock line of demarcation is ore region, and 11 perimeter of ore-rock line of demarcation is barren rock region, then using quick-fried
Shovel fills ore and barren rock to ore-rock line of demarcation commander shovel dress respectively afterwards.
Claims (9)
1. a kind of monitoring device of outdoor radioactivity mine blasting displacement, it is characterised in that: it includes portable gamma detection instrument
With the detection cover that can completely cut off ray, portable gamma detection instrument is fixed in detection cover.
2. the monitoring device of outdoor radioactivity mine blasting displacement as described in claim 1, it is characterised in that: the detection cover
Including pot cover type cover and the hook for being connected to its outer wall, the portable gamma detection instrument is fixed on pot cover type covering on top
Inner wall.
3. the monitoring device of outdoor radioactivity mine blasting displacement as claimed in claim 2, it is characterised in that: the pot cover type
Cover and hook are all made of material lead and are made.
4. a kind of method for carrying out outdoor radioactivity mine blasting displacement using monitoring device described in claim 1, including it is following
Step:
(1) the quick-fried preceding ore-rock line of demarcation in the quick-fried area of this separate explosion is determined;
(2) explosive is packed into blasthole after placing igniting primer in the blasthole for having completed drilling, finally using filling substance
Blasthole is filled to aperture, with excitation needle or initiator detonation blasting network;
(3) it selectes in quick-fried heap or a fixed point of quick-fried out-pile is as reference point, survey line is set according to fixed line-spacing on quick-fried heap
And measuring point;
(4) each measuring point records monitoring point using monitoring device as described in claim 1 progress radioactivity monitoring on quick-fried heap
Three-dimensional coordinate and portable gamma detection instrument reading;
(5) reading that gamma detection instrument portable at each measuring point obtains is converted into ore using its included grade peg model
Grade;
(6) grade of ore for obtaining the two-dimensional coordinate (x and y coordinates) of each measuring point and step (5) inputs computer, with the seat measured
Mark and grade data carry out space interpolation using numerical interpolation method for initial data and obtain the grade of ore of each point in quick-fried area
Data draw the isogram of quick-fried area's grade of ore;
(7) quick-fried rear ore-rock line of demarcation is divided according to ore cut off grade on the isogram of the grade of ore, after quick-fried
Ore-rock line of demarcation carries out the separated shovel dress of ore and barren rock and stacks.
5. method as claimed in claim 4, it is characterised in that: be directed to step (1), quick-fried preceding ore-rock line of demarcation is surveyed according to mine
Radioactivity data determines in the quick-fried area that spy, geological record, blasthole radioactivity survey obtain.
6. method as claimed in claim 4, it is characterised in that: be directed to step (2), igniting primer includes priming bomb and detonator.
7. method as claimed in claim 4, it is characterised in that: be directed to step (2), when using Nonel detonator, use electricity
Detonator or excitation needle detonation blasting network use dedicated initiator initiation net when using digital electric detonator.
8. method as claimed in claim 4, it is characterised in that: when step (4) is implemented, since fractured rock will be in explosion energy
Under the action of accumulated, quick-fried heap top rock and lower part rock grade may differ by it is larger, therefore for the eminence in quick-fried heap
The excavation that spade carries out 0.5~1.0m depth can be used, then carry out radioactivity survey again.
9. method as claimed in claim 4, it is characterised in that: when step (6) is implemented, numerical interpolation method can select batten
Interpolation method, ordinary Kriging and invertible matrix formula.
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CN201910324041.9A CN110044223B (en) | 2019-04-22 | 2019-04-22 | Monitoring device and monitoring method for open-air radioactive mine blasting displacement |
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CN110044223B CN110044223B (en) | 2021-06-22 |
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CN111678975A (en) * | 2020-05-06 | 2020-09-18 | 武汉科技大学 | Method for testing ore grade distribution |
CN112462404A (en) * | 2020-11-18 | 2021-03-09 | 武汉理工大学 | Strip mine bench blasting and blasting pile positioning device and grade measuring method |
WO2024060532A1 (en) * | 2022-09-19 | 2024-03-28 | 鞍钢集团矿业有限公司 | Inertial navigation-based method and system for acquiring ore rock motion trajectory in blasting |
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WO2024060532A1 (en) * | 2022-09-19 | 2024-03-28 | 鞍钢集团矿业有限公司 | Inertial navigation-based method and system for acquiring ore rock motion trajectory in blasting |
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