CN101832743A - Winze top-breaking blasting method - Google Patents
Winze top-breaking blasting method Download PDFInfo
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- CN101832743A CN101832743A CN 201010134273 CN201010134273A CN101832743A CN 101832743 A CN101832743 A CN 101832743A CN 201010134273 CN201010134273 CN 201010134273 CN 201010134273 A CN201010134273 A CN 201010134273A CN 101832743 A CN101832743 A CN 101832743A
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Abstract
The invention relates to a winze top-breaking blasting method. The method comprises the following steps: drilling a plurality of blast holes in the cross section of a winze; setting a preset number of the blast holes as explosive-charged holes for charging explosive; charging the explosive-charged holes with the explosive, simultaneously laying full hole detonating cords in the entire holes of the explosive-charged holes, and laying non-electric millisecond delay detonating cords outside the explosive-charged holes; and simultaneously detonating the explosive in the explosive-charged holes in a non-delay simultaneous initiation mode. The winze top-breaking blasting method solves the problem of misfire which can be easily caused in the prior method, and the specifications of the shaped winze mouth can meet the design requirement at a time, thereby greatly reducing the workload for installing winze mouth supports.
Description
Technical field
The present invention relates to a kind of broken Winze top-breaking blasting method, more particularly, relate to a kind of deep hole layering blasting technique of utilizing and excavate in the process of erecting drop shaft, be used to form the top-breaking blasting method of well head.
Background technology
In the construction of perpendicular drop shaft, generally adopt deep hole layering blasting technique, that is, in the section that designs, to have bored after the whole parallel holes in the drop shaft, layering is from bottom to up implemented explosion and is formed well, thereby reaches the designing requirement of drop shaft.In this deep hole layering blasting process, the blasting technique of last one deck, promptly the broken top layer of explosion drop shaft is the critical process of deep hole Cheng Jing.
Fig. 1 is the schematic diagram of the existing Winze top-breaking blasting method of expression; Fig. 2 is the schematic diagram of the big gun pore size distribution position in the existing Winze top-breaking blasting method of expression.As shown in Figures 1 and 2, in the Winze top-breaking blasting method in the past, when cutting had shown in Figure 2 13 big gun holes that distribute according to equally spaced 5 rows, powder charge hole (stain among Fig. 2) quantity that explosive is installed was 8, and use in all the other 5 big gun holes hole by way of compensation.The distributing position in these 8 powder charge holes relation promptly is configured on the diagonal as shown in Figure 2, but is in the hole by way of compensation, big gun hole on the diagonal crosspoint.And, the right and wrong electricity millisecond elementary errors detonator of in the powder charge hole, installing, and, extension hole-by-hole initiation mode in the hole adopted.At this, the order of detonating be begin from slotting big gun hole to peripheral big gun hole in the shape of a spiral shape detonate, promptly as illustrated in fig. 2 from the hole 1 to the hole 8 order detonate successively, what at first detonate is 1,2,3,4 section four keyhole, 5,6,7,8 sections the peripheral big gun hole of detonating then.
In Winze top-breaking blasting method in the past, extension hole-by-hole initiation mode in the hole that is to use non-electricity millisecond elementary errors detonator of employing, and also the explosion thickness of rock stratum is set to 3.5m usually.Therefore, in the blasting process of broken top, blind big gun appears easily, and, it is inhomogeneous and inhomogeneous fractured rock that cause is stuck in the phenomenon in the pass that the rock fragment degree can take place, and causes situations such as well head obstruction, in addition, also form V-arrangement " horn mouth " easily, thereby increased the workload of well head supporting.
For this reason, need a kind of improved Winze top-breaking blasting method, to overcome above-mentioned existing in prior technology problem.
Summary of the invention
The present invention puts in view of the above problems and makes, and its purpose is to provide a kind of Winze top-breaking blasting method, avoids taking place blind big gun phenomenon, simultaneously, makes that the rock fragment degree is even, can not produce V-arrangement " horn mouth ".
Winze top-breaking blasting method provided by the invention may further comprise the steps: the step of digging a plurality of big guns hole in the cross section of drop shaft; The big gun hole of the predetermined number in described a plurality of big guns hole is set at the step in the powder charge hole that explosive is installed; In described powder charge hole, explosive is installed, simultaneously, in the whole hole in described powder charge hole, is laid full hole primacord, outside the hole in powder charge hole, lay the step of non-electricity millisecond elementary errors primacord; And adopt and do not have the step that delay while detonation mode is ignited the explosive in the described powder charge hole simultaneously.
In addition, preferably, in the cross section of drop shaft, dig in the step in a plurality of big guns hole, dig by equally spaced 5 13 big gun holes of arranging and putting, equally spaced dispose each 3 big gun hole respectively the 1st, 3,5 rows, disposing with the drop shaft center line respectively the 2nd, 4 rows is centrosymmetric 2 big gun holes.
In addition, preferably, as the powder charge hole, all the other big gun holes are the hole by way of compensation with each 3 big gun holes of clinodiagonal both sides of laying respectively at big gun pore size distribution face.
Moreover, preferred thing, described explosive adopts the rock paste emulsion explosive.
According to aforesaid Winze top-breaking blasting method, can solve the blind big gun phenomenon that occurs easily in the explosion in the past, make that the catalase lumpiness after the explosion is even, be not easy to take place rock and be stuck in the interior phenomenon of pass, avoid causing the obstruction of well head.And the well head moulding specification of drop shaft can once reach designing requirement, avoids forming " horn mouth " of V-arrangement, has significantly reduced the workload that the well head supporting is installed.
Description of drawings
Fig. 1 is the schematic diagram of the existing Winze top-breaking blasting method of expression.
Fig. 2 is the schematic diagram of the big gun pore size distribution position in the existing Winze top-breaking blasting method of expression.
Fig. 3 is the schematic diagram of the Winze top-breaking blasting method that the present invention relates to of expression.
Fig. 4 is the schematic diagram of the big gun pore size distribution position in the Winze top-breaking blasting method of representing the present invention relates to.
Reference numeral:
1: non-electricity millisecond elementary errors primacord
2: full hole primacord
The specific embodiment
Below, the Winze top-breaking blasting method that present invention will be described in detail with reference to the accompanying relates to.
At first, during other parts beyond the broken top layer that utilizes deep hole layering blasting method explosion drop shaft, utilize existing deep hole layering blasting method.When implementing this deep hole layering explosion, the distribution in big gun hole is identical with Fig. 2, for example is being a bit larger tham 4m
2The drop shaft cross section in dig 13 deep holes as the big gun hole arranged, and, these 13 big gun holes are divided into equally spaced 5 arranges and puts, and equally spaced disposes 3 big gun holes on the 1st, 3,5 rows, and being equipped with the drop shaft center line in the 2nd, 4 deployings is centrosymmetric 2 big gun holes.Wherein, be configured in 8 big gun holes on the diagonal, except that the crosspoint, center as the powder charge hole, all the other 5 big gun holes are the hole by way of compensation.Then, non-electricity millisecond elementary errors detonator is installed in the powder charge hole, and, according to the explosive in 1,2,3,4,5,6,7,8 section firing order (being extension hole-by-hole initiation mode in the hole) the ignition powder charge hole.By repeating said process, can hierarchically make an opening through brokenly the following pass of top layer.
Then, when utilizing after deep hole layering blasting method gets through part beyond the broken top layer of drop shaft, the Winze top-breaking blasting method that can implement the present invention relates to just.In the Winze top-breaking blasting method of invention, the distribution in big gun hole for example is being a bit larger tham 4m as shown in Figures 3 and 4
2The drop shaft cross section in dig 13 deep holes as the big gun hole arranged, and, these 13 big gun holes are divided into equally spaced 5 arranges and puts, and equally spaced disposes 3 big gun holes on the 1st, 3,5 rows, and being equipped with the drop shaft center line in the 2nd, 4 deployings is centrosymmetric 2 big gun holes.Wherein, as shown in Figure 4, each 3 the big gun holes of clinodiagonal both sides that lay respectively at big gun pore size distribution face are as powder charge hole (black color dots), and use in all the other 7 big gun holes hole (white point) by way of compensation.At this, the distance that for example is set between the adjacent big gun hole on arbitrary row is about 1 meter.
In addition, compare with existing Winze top-breaking blasting method, the broken top thickness degree in the Winze top-breaking blasting method that the present invention relates to is set at less about 2.5 meters.
Then, for example rock paste emulsion explosive is installed in above-mentioned powder charge hole, then, in the whole hole in above-mentioned powder charge hole, lay full hole primacord 2, outside the hole in powder charge hole, lay non-electricity millisecond elementary errors primacord 1, afterwards, detonation mode detonates the explosive in these powder charge holes simultaneously to adopt nothing to postpone simultaneously.
According to the above-mentioned Winze top-breaking blasting method that the present invention relates to, because the mode that has adopted the primacord in the hole, powder charge hole to detonate simultaneously without delay, and, designed the distribution that the powder charge hole of explosive is installed preferably, therefore, solved the blind big gun phenomenon that occurs easily in the method for broken in the past top, and made that the shot rock breaking size is even, be not easy to take place shot rock and be stuck in the interior phenomenon of pass, thereby avoided the obstruction of well head.In addition, also be not easy to form " horn mouth " of V-arrangement, significantly reduced the workload that the well head supporting is installed.
It should be noted that, though utilize the technical characterictic identical and the embodiment and the figure of qualification that the present invention has been described with concrete structural element etc., but this is just in order to help more fully to understand the present invention, the present invention is not limited to the foregoing description, all can carry out numerous variations and distortion by above-mentioned record one of ordinary skill in the art of the present invention.
Therefore; thought of the present invention is not limited to the embodiment of above explanation, and thought category of the present invention not only comprises the scope of claims record, also comprises with claim being equal to or distortion of equal value; any change and distortion in this scope all drops within protection scope of the present invention.
Claims (4)
1. a Winze top-breaking blasting method is characterized in that, may further comprise the steps:
In the cross section of drop shaft, dig the step in a plurality of big guns hole;
The big gun hole of the predetermined number in described a plurality of big guns hole is set at the step in the powder charge hole that explosive is installed;
In described powder charge hole, explosive is installed, simultaneously, in the whole hole in described powder charge hole, is laid full hole primacord, outside the hole in powder charge hole, lay the step of non-electricity millisecond elementary errors primacord; And
Adopt not have and postpone the step that the while detonation mode is ignited the explosive in the described powder charge hole simultaneously.
2. Winze top-breaking blasting method as claimed in claim 1 is characterized in that,
In the cross section of drop shaft, dig in the step in a plurality of big guns hole, cutting is by equally spaced 5 13 big gun holes of arranging and putting, equally spaced dispose each 3 big gun hole respectively the 1st, 3,5 rows, disposing with the drop shaft center line respectively the 2nd, 4 rows is centrosymmetric 2 big gun holes.
3. Winze top-breaking blasting method as claimed in claim 2 is characterized in that,
As the powder charge hole, all the other big gun holes are the hole by way of compensation with each 3 big gun holes of clinodiagonal both sides of laying respectively at big gun pore size distribution face.
4. Winze top-breaking blasting method as claimed in claim 1 is characterized in that,
Described explosive adopts the rock paste emulsion explosive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010134273 CN101832743B (en) | 2010-03-29 | 2010-03-29 | Winze top-breaking blasting method |
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| CN 201010134273 CN101832743B (en) | 2010-03-29 | 2010-03-29 | Winze top-breaking blasting method |
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| CN101832743A true CN101832743A (en) | 2010-09-15 |
| CN101832743B CN101832743B (en) | 2013-04-03 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061743A (en) * | 2012-12-10 | 2013-04-24 | 酒泉钢铁(集团)有限责任公司 | High-depth winze shaft blocking state observation monitoring method |
| CN103306679A (en) * | 2013-05-21 | 2013-09-18 | 马钢(集团)控股有限公司 | '|'-shaped free surface holing one-step well completion technology |
| CN103967518A (en) * | 2014-05-15 | 2014-08-06 | 中国新型建材设计研究院 | Screw type draw shaft blockage and leakage disposal method |
| CN104864783A (en) * | 2015-05-21 | 2015-08-26 | 南京梅山冶金发展有限公司 | Underground jack shaft uncovering method |
| CN110793408A (en) * | 2019-10-18 | 2020-02-14 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Blasting method for treating chute accumulated ore |
-
2010
- 2010-03-29 CN CN 201010134273 patent/CN101832743B/en active Active
Non-Patent Citations (2)
| Title |
|---|
| 《云南冶金》 20010630 杨明春 高程溜井揭盖爆破 1-4 第30卷, 第3期 * |
| 《爆破理论及其应用》 20080630 费鸿禄等编著 深孔爆破 北京：煤炭工业出版社 1-4 , * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061743A (en) * | 2012-12-10 | 2013-04-24 | 酒泉钢铁(集团)有限责任公司 | High-depth winze shaft blocking state observation monitoring method |
| CN103306679A (en) * | 2013-05-21 | 2013-09-18 | 马钢(集团)控股有限公司 | '|'-shaped free surface holing one-step well completion technology |
| CN103306679B (en) * | 2013-05-21 | 2015-11-18 | 马钢(集团)控股有限公司 | " ︱ type " scope of freedom slotting simultaneous shaft sin king technique |
| CN103967518A (en) * | 2014-05-15 | 2014-08-06 | 中国新型建材设计研究院 | Screw type draw shaft blockage and leakage disposal method |
| CN103967518B (en) * | 2014-05-15 | 2015-12-09 | 中国新型建材设计研究院 | The method of spiral disposal drop shaft leak stopping |
| CN104864783A (en) * | 2015-05-21 | 2015-08-26 | 南京梅山冶金发展有限公司 | Underground jack shaft uncovering method |
| CN110793408A (en) * | 2019-10-18 | 2020-02-14 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Blasting method for treating chute accumulated ore |
| CN110793408B (en) * | 2019-10-18 | 2021-12-14 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Blasting method for treating chute accumulated ore |
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| CN101832743B (en) | 2013-04-03 |
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Owner name: CHINA HUAYE TECHNOLOGY AND INDUSTRY GROUP CO., LTD Free format text: FORMER OWNER: MCC HUAYE RESOURCES DEVELOPMENT CO., LTD. Effective date: 20101206 |
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Effective date of registration: 20101206 Address after: 100176 block B2, 1 Kangding street, Beijing economic and Technological Development Zone Applicant after: China Huaye Technology and Industry Group Co., Ltd. Address before: 100176, No. 1, Kangding street, Beijing economic and Technological Development Zone, B2 Applicant before: MCC Huaye Resources Development Co., Ltd. |
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Effective date of registration: 20191009 Address after: 816299 Dachaidan travel Committee of Haixi Mongolian and Tibetan Autonomous Prefecture, Qinghai Province Patentee after: Qinghai Dachaidan Mining Co., Ltd. Address before: 100176 block B2, 1 Kangding street, Beijing economic and Technological Development Zone Patentee before: China Huaye Technology and Industry Group Co., Ltd. |