CN101634540A - Process for alternately detonating bottom of upward deep hole of underground mine and alternate bottom detonation tool - Google Patents
Process for alternately detonating bottom of upward deep hole of underground mine and alternate bottom detonation tool Download PDFInfo
- Publication number
- CN101634540A CN101634540A CN200810012398A CN200810012398A CN101634540A CN 101634540 A CN101634540 A CN 101634540A CN 200810012398 A CN200810012398 A CN 200810012398A CN 200810012398 A CN200810012398 A CN 200810012398A CN 101634540 A CN101634540 A CN 101634540A
- Authority
- CN
- China
- Prior art keywords
- interval
- hole
- detonating
- detonation tool
- underground mine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention relates to the technical filed of processes for alternately detonating the bottom of an upward deep hole, in particular to a process for alternately detonating the bottom of the upward deep hole of an underground mine and an alternate bottom detonation tool. The detonation process comprises the following steps: firstly, assembling the alternate hole bottom detonation tool; before assembling an upward elevation fanned blast hole, inserting alternate columns in the upper part of a top cap; mounting a tail wing on a base; then, sending the alternate detonation tool to the bottom of the hole through an explosive conveying pipe or a blast rod; beginning the charging; after the charging is finished, filling the blast hole by blast mud; finally, detonating a set of 8 to 12 nonelectric detonating tubes remaining outside the hole mouth by a cluster linking method; and carrying out single-row hole blasting and micro-difference blasting between a plurality of rows. The detonation tool consists of an upper connecting sleeve, the top cap, the base, the tail wing, detonated explosive charged in the top cap, the nonelectric detonating tubes and detonating cables. The process reasonably changes the boosting direction of explosive charges and the distribution state of explosive energy, thereby increasing the utilization rate of the explosive energy and improving the blasting quality of the deep hole of the underground mine. The alternate hole bottom detonation tool has the characteristics of simple operation and safe and reliable detonation.
Description
Technical field
The present invention relates to the deep hole bottom technology field of detonating, on particularly a kind of underground mine to deep hole bottom detonate at interval technology and bottom interval detonation tool.
Background technology
Be divided into hole base initiation, direct priming and the full hole three kinds of forms of detonating to the fan-shaped deep hole detonation mode of facade on the underground mine, detonate in direct priming and full hole, part energy when existing problems are explosion in the explosive acts directly in the air, lose big energy, be unfavorable for overcoming clipping and pore-forming deviation at the bottom of the hole.And the backlash effect that off-energy produces is with heavy damage back open wiring.Outstanding top occurs, be easy to generate bulk, not only uneasy golden hidden danger is produced but also is brought in influence.
Summary of the invention
The object of the present invention is to provide on a kind of underground mine to the deep hole bottom technology of detonating at interval and can improve blasting quality, improve demolition effect; Avoid outstanding top, reduce bulk; Reduce by two quick-fried number of times, reduce blasting cost, improve ore removal efficient; Improve operating environment, reduce because of handling the uneasy golden hidden danger that outstanding top and bulk are brought; Reduce the loss and greedyization of ore.Improve resource recovery.
Another object of the present invention is to provide on a kind of underground mine to the deep hole bottom bottom interval detonation tool that technology uses that detonates at interval.
The objective of the invention is to realize by following technical proposals:
To the deep hole bottom technology of detonating at interval, it is characterized in that comprising the steps: on the underground mine of the present invention
1) at first interval detonation tool at the bottom of the hole is assembled,
2) on packing into before facade fan type big gun hole, insert spacer on cap top, top, on base, set up empennage, at the bottom of detonation tool is sent into the hole at interval with grug transportation tube or big gun bar then. begin powder charge again,
3) explosive has been adorned the back and has been clogged the big gun hole with stemming,
4) at last the nonel tube that stays outside the aperture is divided one group of 8-12 bar to detonate with a bunch connection method,
5) blasting method is short-delay blasting between single row of holes explosion and many rows.
Interval detonation tool assembling process is at the bottom of the described hole: primacord and on-electric detonator are tied up with insulating tape, pack into then in the top cap of detonation tool at interval, add ignition charge to top cap and base respectively again, top cap, base, empennage are pegged graft successively finish assembling.
Described ignition charge is the 2# rock explosive.
Described going up to facade fan type blasthole diameter is Ф 62～100mm, and the hole deviation rate is not more than 1%, and the detonator maximum length is no more than 90mm.
The gap length of elementary errors between described many rows: adopt the shortest powder column method to determine that gap length is 0.2mm, diameter is Ф 20mm.
A kind of being used on the described underground mine to detonate the at interval bottom interval detonation tool of technology of deep hole bottom, it is characterized in that by last coupling sleeve, go up the top cap that coupling sleeve plugs therewith, the base that plugs of top cap therewith, the empennage that plugs of base and ignition charge, nonel tube and the primacord that is contained in the cap of described top are formed therewith.
Described primacord grows on-electric detonator 100 ± 10mm, the long 1000 ± 20mm of primacord, and the primacord bending that grows is come, and nonel tube and primacord are surveyed the ditch from base two respectively and are drawn.
Technology of the present invention according to the hole at the bottom of the at interval theoretical and propagation of explosion directive effect mechanism of air column, in conjunction with underground mine deep hole blasting specified conditions, determine its proportional spacing length, and develop bottom interval detonation tool at the bottom of rational in infrastructure, easy and simple to handle, the safe and reliable hole of detonating, the purpose of at the bottom of the fan-shaped deep hole of facade hole, detonating at interval in the realization.
Design base empennage is at the bottom of detonation tool is steadily sent into the hole at interval with grug transportation tube.
Technology of the present invention has following advantage:
Under the prerequisite that does not change blasting parameter, the interval detonating technique has reasonably changed the distribution of cartridge bag propagation of explosion direction and explosive energy, thereby has improved the explosive energy utilization rate at the bottom of the employing hole, has improved underground mine deep hole blasting quality.At the bottom of the hole at interval detonation tool have simple to operate, the safe and reliable characteristics of detonating.
Description of drawings
Fig. 1 is the bottom interval of the present invention structural representation that detonates.
Fig. 2 is a bottom interval detonation tool structural representation of the present invention.
Fig. 3 is a bottom interval detonation tool internal charge structural representation of the present invention.
The specific embodiment
Further specify the specific embodiment of the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, 2, 3, to the deep hole bottom technology of detonating at interval, it is characterized in that comprising the steps: on the underground mine of the present invention
1) at first interval detonation tool at the bottom of the hole is assembled,
2) on packing into before facade fan type big gun hole, insert spacer 1 on top cap 6 tops, on base 7, set up empennage 8, at the bottom of detonation tool is sent into the hole at interval with grug transportation tube or big gun bar then. begin blasting charge 3 again,
3) explosive has been adorned the back and has been clogged big gun hole 4 with stemming,
4) at last one group of 13 fens 8-12 bar of the nonel tube that stays outside the aperture is detonated with a bunch connection method,
5) blasting method is short-delay blasting between single row of holes explosion and many rows.
Interval detonation tool assembling process is at the bottom of the described hole: primacord 11 and on-electric detonator 12 usefulness insulating tapes are tied up, pack into then in the top cap 6 of detonation tool at interval, add ignition charge 10 to top cap 6 and base 7 respectively again, top cap 6, base 7, empennage 9 are pegged graft successively finish assembling.
Described ignition charge 10 is the 2# rock explosive.
Described going up to facade fan type blasthole diameter is Ф 62～100mm, and the hole deviation rate is not more than 1%, and the detonator maximum length is no more than 90mm.
The gap length of elementary errors between described many rows: adopt the shortest powder column method to determine that gap length is 0.2mm, diameter is Ф 20mm.
A kind of being used on the described underground mine to detonate the at interval bottom interval detonation tool of technology of deep hole bottom, it is characterized in that by last coupling sleeve 5, go up the top cap 6 that coupling sleeve 5 plugs therewith, the base 7 that plugs of top cap 6 therewith, the lower link cover that plugs of base 7 therewith, the lower link cover plugs therewith, and the empennage that plugs of base and ignition charge, nonel tube and the primacord that is contained in the cap of described top are formed therewith.
Described primacord grows on-electric detonator 100 ± 10mm, the long 1000 ± 20mm of primacord, and the primacord bending that grows is come, and nonel tube and primacord are surveyed the ditch from base two respectively and are drawn.
Technology of the present invention has following advantages:
Under the prerequisite that does not change blasting parameter, interval detonating technique at the bottom of the employing hole has reasonably changed The distribution of cartridge bag propagation of explosion direction and explosive energy, thus the explosive energy utilization rate improved, improve Underground mine deep hole blasting quality. The interval detonation tool has simple to operately at the bottom of the hole, and it is safe and reliable to detonate Characteristics.
Claims (7)
1, on a kind of underground mine to the deep hole bottom technology of detonating at interval, it is characterized in that comprising the steps:
1) at first interval detonation tool at the bottom of the hole is assembled,
2) on packing into before facade fan type big gun hole, insert spacer on cap top, top, on base, set up empennage, at the bottom of detonation tool is sent into the hole at interval with grug transportation tube or big gun bar then. begin powder charge again,
3) explosive has been adorned the back and has been clogged the big gun hole with stemming,
4) at last the nonel tube that stays outside the aperture is divided one group of 8-12 bar to detonate with a bunch connection method,
5) blasting method is short-delay blasting between single row of holes explosion and many rows.
2, on the underground mine according to claim 1 to the deep hole bottom technology of detonating at interval, interval detonation tool assembling process is at the bottom of it is characterized in that described hole: primacord and on-electric detonator are tied up with insulating tape, pack into then in the top cap of detonation tool at interval, add ignition charge to top cap and base respectively again, top cap, base, empennage are pegged graft successively finish assembling.
3, on the underground mine according to claim 2 to the deep hole bottom technology of detonating at interval, it is characterized in that described ignition charge is the 2# rock explosive.
4, on the underground mine according to claim 1 to the deep hole bottom technology of detonating at interval, it is characterized in that described going up to facade fan type blasthole diameter is Φ 62～100mm, the hole deviation rate is not more than 1%, the detonator maximum length is no more than 90mm.
5, on the underground mine according to claim 1 to the deep hole bottom technology of detonating at interval, it is characterized in that the gap length of elementary errors between described many rows: adopt the shortest powder column method to determine that gap length is 0.2mm, diameter is Φ 20 ± 2mm.
6, a kind of being used on the described underground mine of claim 1 to detonate the at interval bottom interval detonation tool of technology of deep hole bottom, it is characterized in that by last coupling sleeve, go up the top cap that coupling sleeve plugs therewith, the base that plugs of top cap therewith, the empennage that plugs of base and be contained in the cap of described top ignition charge, nonel tube and primacord and form therewith.
7, on the underground mine according to claim 6 to detonate the at interval bottom interval detonation tool of technology of deep hole bottom, it is characterized in that described primacord grows on-electric detonator 100 ± 10mm, long 1000 ± the 20mm of primacord, the primacord bending that grows is come, and nonel tube and primacord are surveyed the ditch from base two respectively and drawn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810012398A CN101634540A (en) | 2008-07-22 | 2008-07-22 | Process for alternately detonating bottom of upward deep hole of underground mine and alternate bottom detonation tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810012398A CN101634540A (en) | 2008-07-22 | 2008-07-22 | Process for alternately detonating bottom of upward deep hole of underground mine and alternate bottom detonation tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101634540A true CN101634540A (en) | 2010-01-27 |
Family
ID=41593800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810012398A Pending CN101634540A (en) | 2008-07-22 | 2008-07-22 | Process for alternately detonating bottom of upward deep hole of underground mine and alternate bottom detonation tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101634540A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557757A (en) * | 2013-11-11 | 2014-02-05 | 中南大学 | Testing method for determining slotted hole charging gap length and blocking length |
| CN109238060A (en) * | 2018-10-31 | 2019-01-18 | 唐山冀东启新水泥有限责任公司 | Airspace structure and method for mine blasting |
| CN110145980A (en) * | 2019-04-24 | 2019-08-20 | 本钢板材股份有限公司 | A kind of medium-length hole blasting hole inner cushion layer support device |
| CN114199091A (en) * | 2021-12-13 | 2022-03-18 | 攀钢集团工程技术有限公司 | Detonation cartridge device for upward medium-length hole and charge construction method |
| CN114526652A (en) * | 2022-03-11 | 2022-05-24 | 长沙矿山研究院有限责任公司 | Upward medium-length hole non-coupling charging structure and application method |
-
2008
- 2008-07-22 CN CN200810012398A patent/CN101634540A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557757A (en) * | 2013-11-11 | 2014-02-05 | 中南大学 | Testing method for determining slotted hole charging gap length and blocking length |
| CN103557757B (en) * | 2013-11-11 | 2015-11-18 | 中南大学 | Determine the test method of keyhole powder charge gap length and stemming length |
| CN109238060A (en) * | 2018-10-31 | 2019-01-18 | 唐山冀东启新水泥有限责任公司 | Airspace structure and method for mine blasting |
| CN110145980A (en) * | 2019-04-24 | 2019-08-20 | 本钢板材股份有限公司 | A kind of medium-length hole blasting hole inner cushion layer support device |
| CN114199091A (en) * | 2021-12-13 | 2022-03-18 | 攀钢集团工程技术有限公司 | Detonation cartridge device for upward medium-length hole and charge construction method |
| CN114526652A (en) * | 2022-03-11 | 2022-05-24 | 长沙矿山研究院有限责任公司 | Upward medium-length hole non-coupling charging structure and application method |
| CN114526652B (en) * | 2022-03-11 | 2023-03-14 | 长沙矿山研究院有限责任公司 | Upward medium-length hole non-coupling charging structure and application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102878876B (en) | Mine roadway advancing and undermining method and main blasting parameters | |
| CN103940309B (en) | A kind of method of underground blasting Cheng Jing | |
| CN101634540A (en) | Process for alternately detonating bottom of upward deep hole of underground mine and alternate bottom detonation tool | |
| CN103486910B (en) | A kind of collaborative blast charging structure and loading method thereof | |
| CN108132005B (en) | A kind of method of short-delay blasting in medium-length hole upward hole | |
| CN104048570A (en) | Deep hole blasting filling method | |
| CN101832743B (en) | Winze top-breaking blasting method | |
| CN107289826B (en) | Explosion bulge test device and blasting method | |
| CN102620612A (en) | Underground mine medium-length hole blasting method | |
| CN202255143U (en) | Spaced loading structure of blasthole | |
| CN102261874A (en) | Method for blasting large section of rock roadway at one time | |
| CN104897015B (en) | Hole filling method by blasting | |
| CN102927863B (en) | A kind of new method of total rock tunnel blasting construction | |
| CN115727728A (en) | Energy-gathering structure and spaced charging energy-gathering blasting method | |
| CN218155793U (en) | Open-air deep hole blasting initiating explosive cartridge placing structure | |
| CN103105099A (en) | Exciter for detonating tube | |
| CN104863551A (en) | Superhigh-temperature bi-directional booster used for oil-gas well | |
| CN113188385A (en) | Tunnel blasting composite cut method | |
| CN201600091U (en) | Blasting cap used for detonating tube detonation system | |
| CN212362994U (en) | Explosive loading device for deep hole blasting and deep hole blasting structure | |
| CN210892892U (en) | Single-hole single-sound blasting tube network structure | |
| CN204729070U (en) | The two-way detonating primer of a kind of Oil/gas Well superhigh temperature | |
| CN210892891U (en) | Cable-stayed hole-by-sound detonating tube network structure | |
| CN210892890U (en) | Line-by-line and sound-by-sound explosion conducting pipe network structure | |
| CN104422353B (en) | Excavation explosion straight line expands wing slotting method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100127 |