CN108120355A - The recognition methods that hole Blasting In Open-pit Mines pack miss-fires - Google Patents
The recognition methods that hole Blasting In Open-pit Mines pack miss-fires Download PDFInfo
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- CN108120355A CN108120355A CN201711387431.8A CN201711387431A CN108120355A CN 108120355 A CN108120355 A CN 108120355A CN 201711387431 A CN201711387431 A CN 201711387431A CN 108120355 A CN108120355 A CN 108120355A
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- miss
- fires
- pack
- tracer
- blasthole
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
- F42D1/18—Plugs for boreholes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
- F42D5/02—Locating undetonated charges
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Image Processing (AREA)
Abstract
The present invention provides the recognition methods that a kind of hole Blasting In Open-pit Mines pack miss-fires, and can simplify operating process, and improves accuracy and the security of pack identification of miss-firing, which is characterized in that comprises the following steps：Tracer setting steps sets the tracer of color clear in the blocking sector hole oral area position of each blasthole, and the color of tracer should there are larger aberration with the color of blasting medium；Is in blasting process for explosion image capturing step, and quick-fried area is imaged using apparatus for making a video recording or unmanned plane, obtains explosion image；The identification step that miss-fires identifies whether the tracer of blasthole top color clear disperses by explosion image, and whether have pack in blasthole miss-fire, then the steel for shot information based on quick-fried area if differentiating in explosion, the blasthole position at the place for the pack that determines to miss-fire.
Description
Technical field
The invention belongs to engineering explosion technical fields, and in particular to the identification side that a kind of hole Blasting In Open-pit Mines pack miss-fires
Method.
Technical background
More and more extensive with the application of blasting technique, the safety problem generated in blasting process also becomes increasingly conspicuous.It refuses
Quick-fried is the greatest problem for endangering shotfiring safety.The identification miss-fired both at home and abroad to surface blasting process pack, relies primarily on explosion
The experience of quick-fried heap form, which compares, after the direct observation and explosion of journey is differentiated.But since the blasting process time is extremely short, it is difficult to logical
It crosses the accurate differentiation of observation to miss-fire, the experience of quick-fried heap form, which compares, after explosion also easily judges by accident.Pack miss-fires to subsequent construction
Great security risk is left, the pack left because ignition previous explosion is likely to miss-fire in subsequent construction causes serious personal
Injures and deaths and equipment property loss.The constantly improve of improvement and management method and blasting technique recently as explosive,
The situation miss-fired makes great progress, but miss-fires and happen occasionally in blasting process.
To the identification that pack miss-fires, there are many new thinkings at present.Chinese patent CN 101858715A are disclosed in a kind of explosion
The identification and its localization method for the pack that miss-fires that pack miss-fires, the phenomenon that using rock blasting Tectonic earthquake ripple, before explosion
In surrounding rock body near quick-fried source or earth's surface arranges vibration detection instrument, and is arrived according to related explosion design parameter and pack center
The range prediction corresponding functioning delay of monitoring point and the vibration amplitude of seismic wave, then itself and rock blasting process are surveyed
It obtains rock seismic wave temporal aspect and amplitude-frequency characteristic is compared, whether have pack miss-fire, Jin Ergen if differentiating in explosion
Determine to miss-fire the position of pack according to the physical layout drawings of pack.This method needs suitable position arrangement monitoring at the scene before explosion
Instrument adds working procedure, complicated for operation, and is easily limited be subject to execution conditions；Blasting medium there may be joint and
Structural plane, the rock seismic wave temporal aspect and amplitude-frequency characteristic for making actual measurement have certain contingency, reduce pack knowledge of miss-firing
Other accuracy.204404922 U of Chinese patent CN are related to a kind of rock gangway photoface exploision bottom eye powder charge and miss-fire quick identification knot
Structure on primer [cartridge], fastens eye-catching red non-flammable adhesive tape, and non-flammable adhesive tape and primer [cartridge] are packed into borehole together, ensure outer
Dew length is no less than 300mm, after explosion 15min, after staff enters working face, is refused according to red flame-retardant rope quick discrimination
Quick-fried (residual quick-fried) whether there is.The structure needs that tamper is controlled not disperse or tamper disperses and do not interfere with flame-retardant rope, and still
It so needs manually to check flame-retardant rope nearby to judge whether pack miss-fires, there are some potential safety problemss.
Therefore, the recognition methods that a kind of safe and reliable, simple and practicable hole Blasting In Open-pit Mines pack miss-fires is found, to replace
Existing miss-fire knows method for distinguishing, has a very important significance.
The content of the invention
The present invention is to carry out to solve the above-mentioned problems, and it is an object of the present invention to provide a kind of suitable hole Blasting In Open-pit Mines pack
The recognition methods miss-fired can simplify operating process, and improve accuracy and the security of pack identification of miss-firing.
The present invention to achieve these goals, employs following scheme：
The present invention provides the recognition methods that a kind of hole Blasting In Open-pit Mines pack miss-fires, which is characterized in that comprises the following steps：
Tracer setting steps sets the powder tracer of color clear in the blocking sector hole oral area position of each blasthole, the tracer
Color should be with the color of blasting medium there are larger aberration, and used tracer can be with white powder, black powder or colour
Powder (for example, red, yellow, purple, blueness, green etc.)；Is in blasting process for explosion image capturing step, using camera shooting
Equipment or unmanned plane image quick-fried area, obtain explosion image；The identification step that miss-fires identifies blasthole top by explosion image
Whether the tracer of color clear disperses, and whether have pack in blasthole miss-fire, then the blasthole cloth based on quick-fried area if differentiating in explosion
Confidence ceases, the blasthole position at the place for the pack that determines to miss-fire.
Further, the recognition methods that hole Blasting In Open-pit Mines pack provided by the invention miss-fires can also have following characteristics：
It blocks segment length and determines the characteristics of step is not dispersed outward using tamper in the blast hole to miss-fire, rational blocking section is set
Length enables Partial Blocking object to be rushed out blasthole：Tentatively selected blocking segment length Ls first is carried out with formula 1 and 2, is then showed
Field experiment, if tamper seriously disperses, appropriate increase blocks segment length, and tamper seriously disperses, refers to：Tamper base
This whole flies out, comprising well cuttings in flying, generally with flame；It is appropriate to reduce if tamper hardly disperses
Block segment length；It with this determines that the tracer of blocking sector hole oral area position can be made to disperse and does not influence the blocking segment length of demolition effect
Degree；Wherein, tamper includes plugging material and tracer.
Ls=(20-25) d formula 1
Ls >=0.7Wp formula 2
In formula：Ls is tentatively selected blocking segment length, and d is blasthole diameter, and Wp is toe burden.
Further, the recognition methods that hole Blasting In Open-pit Mines pack provided by the invention miss-fires can also have following characteristics：
In tracer setting steps, the tracer color inequality that is set in adjacent shot hole.
Further, the recognition methods that hole Blasting In Open-pit Mines pack provided by the invention miss-fires can also have following characteristics：
In explosion image capturing step, the apparatus for making a video recording or the quantity of unmanned plane that use are subject to image pickup scope and all cover quick-fried areas.
Further, the recognition methods that hole Blasting In Open-pit Mines pack provided by the invention miss-fires can also have following characteristics：
It is by checking explosion image with the display device of apparatus for making a video recording or unmanned plane phase telecommunication in the identification step that miss-fires.It takes the photograph
As equipment information.General observation of occupying a commanding position, is erected at the high position of comparison.
Further, the recognition methods that hole Blasting In Open-pit Mines pack provided by the invention miss-fires can also have following characteristics：
In the identification step that miss-fires, steel for shot information includes blasthole location information and blasthole cope level information before detonation.
The effect of invention
The present invention is miss-fired phenomenon for often occurring explosive during hole Blasting In Open-pit Mines, in multiple-row blasting sector hole oral area position
The tracer of color clear is set, in blasting process, quick-fried area is imaged using apparatus for making a video recording or unmanned plane, passes through identification
Whether the tracer on blasthole top disperses, and the pack whether differentiate has blasthole in explosion miss-fires, and the explosion for combining quick-fried area designs
And detonation Qian Bao areas form, the position for the pack that determines to miss-fire can remotely identify the pack that miss-fires, it is easy to operate, securely and reliably.
Description of the drawings
Fig. 1 is the structure diagram before the detonation of Zhong Bao of embodiment of the present invention areas；
Fig. 2 is blasthole floor plan in the embodiment of the present invention；
Fig. 3 is the observation schematic diagram in Zhong Bao of embodiment of the present invention areas blasting process.
Each part numbers are as follows in figure：
1- blastholes；2- powder charge sections；3- plugging materials；4- tracers；5- unmanned planes；6- detonation products.
Specific embodiment
Below in conjunction with the specific embodiment party for the recognition methods that attached drawing miss-fires to hole Blasting In Open-pit Mines pack of the present invention
Case is described in detail.
<Embodiment>
Guangzhou Zhujiang River cement plant limestone mine, belongs to umbilicate type surface mine, and mine lithology is grey is thin, middle grain rock
Consider long sandstone and light green-gray in color siltstone to be worth doing, mine is exploited using combined type step, and blasting parameter is：Bore diameter ф 102mm, hole
Away from a=0.4m, array pitch b=3.5m, toe burden Wp=3.0m.
In the present embodiment, the method being identified of miss-firing to above-mentioned mine deep hole blasting pack specifically includes following steps：
Step 1., which is set, blocks section
Step 1-1. determines to block segment length
First, preliminary select is carried out using following equation 1 and 2 and blocks segment length Ls, it is tentatively selected to block in the present embodiment
Length is 2.4m；
Ls=(20-25) d (formula 1)
Ls >=0.7Wp (formula 2)
In formula：Ls is tentatively selected blocking segment length, and d is blasthole diameter, and Wp is toe burden；
Then, field test is carried out, filling tamper in the powder charge section 2 in blasthole 1 (contains plugging material 3 and tracer
4) blocked, then detonated, if tamper seriously disperses, appropriate increase blocks segment length；If tamper is hardly
Disperse, then appropriate reduce blocks segment length, finally determine to make through test of many times the tracer 4 of blocking sector hole oral area position disperse and
The blocking segment length of demolition effect is not influenced；In the present embodiment, the first field test that carries out finds that tamper hardly disperses, so
Appropriate reduce blocks segment length afterwards, final to determine that the tracer 4 of blocking sector hole oral area position be made to disperse and do not influence demolition effect
Blocking segment length for 2.2m, wherein the length of tracer part is 0.2~0.5m；
Step 1-2. sets tamper
Plugging material 3 is filled to each blasthole 1 according to the blocking segment length determined in step 1-1 and tracer 4 blocks up
Plug, is shown in Fig. 1 and 2, and the powder tracer 4 of sector hole oral area position setting color clear is blocked in blasthole 1, in order to be situated between with this engineering explosion
The color of the long sandstone of matter and siltstone is formed strongly, in the present embodiment, tracer 4 by mountain flour and the mixing of red coloring agent and
Into；Plugging material 3 can be：The common plugging material such as clay, sand, landwaste, rubble and sand mixture, mud.
Step 3. networking prepares detonation.
Step 4. explosion image capturing
As shown in figs. 1 and 3, unmanned plane 5 is operated, unmanned plane 5 is made to fly to above quick-fried area, and is directed at quick-fried area and starts to image, is taken the photograph
As scope should cover entire quick-fried area, then detonate, obtain the image of explosion overall process；
Step 5. is miss-fired identification
By watching quick-fried area's explosion image with the computer of 5 phase telecommunication of unmanned plane, identification 1 top of blasthole shows operator
The situation of dispersing of track agent 4, is shown in Fig. 2, can differentiate that two blasthole of explosion middle left and right, 1 pack detonates, 1 pack of intermediate hole miss-fires；
Then, with reference to the explosion design in quick-fried area and detonation Qian Bao areas form, the position for the pack that determines to miss-fire.Here, may be used
It, also can be according to coordinate representation method, as shown in figure 3, with lower-left blasthole 1 to be numbered according to blasthole floor plan in advance
Angle is origin, and abscissa represents blasthole row sequence number, and ordinate represents blasthole row sequence number, and such as (3,3) represent the third line from bottom to top,
3rd blasthole 1 from left to right.In the present embodiment, three blastholes 1 shown in Fig. 1 and 3 are represented sequentially as from left to right with coordinate
(3,3), (4,3), (5,3), according to blasthole floor plan, with reference to 1 cope level of blasthole before detonation and quick-fried heap elevation after detonation
Comparison synthesis is determined as intermediate hole 1 and miss-fires, and coordinate representation is (4,3), so that it is determined that the position of missed hole 1.
Above example is only the illustration done to technical solution of the present invention.Surface longhole according to the present invention
The recognition methods that explosion pack miss-fires not merely is defined in described content in the embodiment above, but with claim
Subject to limited range.Any modification or supplement that those skilled in the art of the invention are made on the basis of the embodiment
Or equivalence replacement, all in the claimed scope of the claim of the present invention.
Claims (6)
1. the recognition methods that a kind of hole Blasting In Open-pit Mines pack miss-fires, which is characterized in that comprise the following steps：
Tracer setting steps sets the tracer of color clear in the blocking sector hole oral area position of each blasthole, tracer
Color should there are larger aberration with the color of blasting medium；
Is in blasting process for explosion image capturing step, and quick-fried area is imaged using apparatus for making a video recording or unmanned plane, obtains explosion
Image；
The identification step that miss-fires identifies whether the tracer of blasthole top color clear disperses by explosion image, differentiates in explosion
Whether there is the pack in blasthole to miss-fire, then the steel for shot information based on quick-fried area, the blasthole position at the place for the pack that determines to miss-fire.
2. the recognition methods that hole Blasting In Open-pit Mines pack according to claim 1 miss-fires, which is characterized in that further include：
It blocks segment length and determines that step first carries out tentatively selected blocking segment length Ls with formula 1 and 2, then carry out field test,
If tamper seriously disperses, appropriate increase blocks segment length, if tamper hardly disperses, appropriate reduce blocks section
Length with this determines that the tracer of blocking sector hole oral area position can be made to disperse and does not influence the blocking segment length of demolition effect；Wherein,
Tamper includes plugging material and tracer；
Ls=(20-25) d formula 1
Ls >=0.7Wp formula 2
In formula：Ls is tentatively selected blocking segment length, and d is blasthole diameter, and Wp is toe burden.
3. the recognition methods that hole Blasting In Open-pit Mines pack according to claim 1 miss-fires, it is characterised in that：
Wherein, in tracer setting steps, the tracer color inequality that is set in adjacent shot hole.
4. the recognition methods that hole Blasting In Open-pit Mines pack according to claim 1 miss-fires, it is characterised in that：
Wherein, in explosion image capturing step, the apparatus for making a video recording or the quantity of unmanned plane that use all are covered with image pickup scope
Subject to quick-fried area.
5. the recognition methods that hole Blasting In Open-pit Mines pack according to claim 1 miss-fires, it is characterised in that：
Wherein, it is quick-fried by being checked with the display device of apparatus for making a video recording or unmanned plane phase telecommunication in the identification step that miss-fires
Broken image.
6. the recognition methods that hole Blasting In Open-pit Mines pack according to claim 1 miss-fires, it is characterised in that：
Wherein, in the identification step that miss-fires, steel for shot information includes blasthole location information and blasthole cope level before detonation
Information.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387431.8A CN108120355A (en) | 2017-12-20 | 2017-12-20 | The recognition methods that hole Blasting In Open-pit Mines pack miss-fires |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711387431.8A CN108120355A (en) | 2017-12-20 | 2017-12-20 | The recognition methods that hole Blasting In Open-pit Mines pack miss-fires |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111483604A (en) * | 2020-04-17 | 2020-08-04 | 桂林理工大学 | Static blasting dangerous rock management method and device based on unmanned aerial vehicle |
| CN113091546A (en) * | 2021-04-23 | 2021-07-09 | 安徽理工大学 | Device for monitoring whether explosive in blast hole is completely detonated |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598523A (en) * | 2009-03-30 | 2009-12-09 | 中水东北勘测设计研究有限责任公司 | The method of blasting network reliability test tracer |
-
2017
- 2017-12-20 CN CN201711387431.8A patent/CN108120355A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598523A (en) * | 2009-03-30 | 2009-12-09 | 中水东北勘测设计研究有限责任公司 | The method of blasting network reliability test tracer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111483604A (en) * | 2020-04-17 | 2020-08-04 | 桂林理工大学 | Static blasting dangerous rock management method and device based on unmanned aerial vehicle |
| CN113091546A (en) * | 2021-04-23 | 2021-07-09 | 安徽理工大学 | Device for monitoring whether explosive in blast hole is completely detonated |
| CN113091546B (en) * | 2021-04-23 | 2022-08-23 | 安徽理工大学 | Device for monitoring whether explosive in blast hole is completely detonated |
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Application publication date: 20180605 |