CN101967974B - Method for crossed operation of vertical shaft backward-excavation deepening and exploitation projects - Google Patents
Method for crossed operation of vertical shaft backward-excavation deepening and exploitation projects Download PDFInfo
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- CN101967974B CN101967974B CN2010102796366A CN201010279636A CN101967974B CN 101967974 B CN101967974 B CN 101967974B CN 2010102796366 A CN2010102796366 A CN 2010102796366A CN 201010279636 A CN201010279636 A CN 201010279636A CN 101967974 B CN101967974 B CN 101967974B
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Abstract
The invention belongs to the technical field of mine exploitation and discloses a method for crossed operation of vertical shaft backward-excavation deepening and exploration and exploitation projects, which comprises: firstly, constructing transverse drift projects to the bottom of an original vertical shaft in the middle phase of an exploitation project and the middle phase of an exploration project; and secondly, excavating backward to construct a vertical shaft from top down in the middle phase of the exploration project and the middle phase of the exploitation project respectively, communicating the vertical shaft with the original vertical shaft, and mounting to construct the shaft. In the whole construction process, the operation of the original exploration and exploitation projects are performed normally, the ore rock produced in the construction in the middle phases and the waste rock produced in the excavation of the vertical shaft are transported from a corresponding middle inclined shaft to the middle section of the place with the lowest elevation of the original vertical shaft and then lifted to the outside of the shaft. The method of the invention can ensure the smooth deepening of the vertical shaft and the normal operation of a dressing plant, so technical improvement and production are performed at the same time and the technical improvement does not influence the production. When the method of the invention is used for deepening the vertical shaft, neither work quantity nor construction cost is increased, so indirect economic benefit is created.
Description
Technical field
The invention belongs to the mining technique field, be specifically related to the anti-method of digging deepening and the cross-operation of exploration engineering of a kind of vertical shaft.
Background technology
Along with progressively going deep into of exploration engineering; The face of mining area vertical shaft and mineral exploration engineering face progressively descend and concentrate; In mining activity stage casing and the mineral exploration engineering intersegmental each along the pulse engineering mainly be connected lifting by inclined shaft; Production capacity is greatly affected, and has a strong impact on later deep mineral exploration engineering layout.So vertical shaft is carried out deepening, improves production capacity and become the task of top priority.Be head it off, most of those skilled in the art's way is basic identical: be about to vertical shaft and stop production, according to traditional vertical shaft pick block program, progressively the construction deepening is to the mineral exploration engineering stage casing from the mining activity stage casing, and the duration is lasted the several months.Yet vertical shaft certainly will cause the ore dressing plant to stop as the main confession ore deposit mine in ore dressing plant completely if stop production, and has a strong impact on the ordinary production operation of whole company.So, how should guarantee the smooth deepening of vertical shaft, will guarantee that also the ore dressing plant runs well, be the difficulty of demanding urgently overcoming.
Summary of the invention
For overcoming the weak point that exists in the prior art, the object of the present invention is to provide the anti-method of digging deepening and the cross-operation of exploration engineering of a kind of vertical shaft, both can guarantee the smooth deepening of vertical shaft, can guarantee that also the ore dressing plant runs well.
For realizing above-mentioned purpose, the technical scheme that the present invention takes is following:
The anti-method of digging deepening and the cross-operation of exploration engineering of a kind of vertical shaft: at first from the mining engineering stage casing, the mineral exploration engineering stage casing constructs respectively and wears the arteries and veins engineering to former vertical shaft shaft bottom; Then respectively from the bottom to top from the mineral exploration engineering stage casing, the anti-construction shaft of digging in mining engineering stage casing communicates with former vertical shaft, is mounted to well at last; In whole construction course, former exploration engineering ordinary production after the barren rock that produces in ore deposit rock that each stage casing construction is produced and the shaft sinking is transported to the stage casing of former vertical shaft lowest bid eminence from corresponding stage casing inclined shaft, is carried to well.
For guaranteeing that normal exploration promotes operation and do not receive the anti-construction infection of digging, the anti-pick during the construction shaft sealed vertical shaft in the downward 10 meters scopes in the stage casing of former vertical shaft lowest bid eminence.
In order to reduce the loss as far as possible, guarantee to supply the ore deposit, belong to work high above the ground according to installation personnel, the characteristics of unsuitable continuous operation are mounted to during the well, adopt the shaft equipment installation to intersect with the exploration engineering and carry out.
Preferably, anti-when digging construction shaft, at first from the mineral exploration engineering stage casing, the mining engineering stage casing simultaneously or the short courtyard of section construction light section connect with last stage casing, expand again after omnidistance the perforation group extremely with the suitable pit shaft of former vertical shaft diameter.In order to reduce inclined shaft hoisting pressure, guarantee that daily exploration operation is unaffected, preferably segmented form of construction work.
Preferably, construction is when wearing the arteries and veins engineering, and it is consistent with the ingate parameter of the former vertical shaft of construction to guarantee to wear arteries and veins specification of works, the gradient, turn radius, so that transform each stage casing ingate use later on as.
The inventive method both can guarantee the smooth deepening of vertical shaft, can guarantee that also the ore dressing plant runs well, and had reached technological transformation limit, limit and had produced, and technological transformation does not influence the purpose of production; When adopting the inventive method to carry out shaft deeping, each stage casing wear the arteries and veins engineering can be used as after each stage casing ingate use, so do not increase engineering quantity newly; During shaft deeping, no matter adopt construction from the top down or anti-pick from bottom to top, the unit price of " gold industry engineering construction norm for detailed estimates " defined is identical, does not therefore also increase engineering cost; But the exploration operation can normally be carried out during owing to employing the inventive method, has brought indirect economic effect to company.
Description of drawings
Fig. 1: before adopting the inventive method construction, bridge is attend mining area, stockaded village structure diagram;
Fig. 2: when adopting the inventive method construction to wear the arteries and veins engineering, bridge is attend mining area, stockaded village structure diagram;
Fig. 3: when adopting the inventive method construction light section weak point courtyard, bridge is attend mining area, stockaded village structure diagram;
Fig. 4: when adopting the inventive method to expand group, bridge is attend mining area, stockaded village structure diagram;
Wherein, 1-vertical shaft, 2-400 stage casing, 3-340 stage casing, 4-290 stage casing, 5-260 stage casing, 6-230 stage casing, 7-wellbore centre line, 8-inclined shaft, the short courtyard of 9-light section.
The specific embodiment
Below in conjunction with specific embodiment technical scheme of the present invention is done into a ground and introduce in detail, but protection scope of the present invention is not limited thereto:
Construction plant and basic document thereof:
Bridge is attend the mining area, stockaded village, is subordinate to the applicant, and measures for western rising tone ore dressing plant provides the ore deposit.Its structure diagram is as shown in Figure 1 before adopting the inventive method construction: about 3.8 meters of vertical shaft 1 diameter, and 696 meters of opening absolute altitudes, 340 meters of minimum absolute altitudes are established 3 two ingates in 400 stage casings 2 and 340 stage casings; Along with the exploration engineering progressively deeply, face progressively descends and concentrates, from 2008 year-to-date, 80% mining engineering concentrates on 290 stage casings 4, mineral exploration engineering concentrates on 260 stage casings 5 and 230 stage casings 6; Respectively engineering is mainly by inclined shaft 8 connection liftings along the pulse in 6 in 3 to 230 stage casings, 340 stage casings, and production capacity is greatly affected, and has a strong impact on later deep mineral exploration engineering layout in 2009.
Adopt the concrete steps of the inventive method construction:
(1), engineering survey: at first former measurement achievement is checked comprehensively; On this basis comprehensive measurement and positioning is carried out in existing vertical shaft 1 shaft bottom, 5,230 stage casings 6,4,260 stage casings, 290 stage casings, accurately lock the particular location of vertical shaft 1 wellbore centre line 7 in each stage casing.
(2), the arteries and veins engineering is worn in construction as shown in Figure 2: wear arteries and veins engineering to wellbore centre line 7 positions in 4,260 stage casing 5,230 stage casings, 6 each construction of 290 stage casings; It is consistent with construction shaft 1 ingate parameter request to wear parameters such as arteries and veins specification of works, the gradient, turn radius, uses so that transform each stage casing ingate later on as.
(3), the short courtyard of construction light section as shown in Figure 3: the short courtyard 9 of the light section of upwards constructing from 4 wellbore centre lines, 7 positions, 5,290 stage casings, 6,260 stage casings, 230 stage casings respectively (2 meters * 2 meters) connects with last stage casing, and sequence of construction can be carried out simultaneously, also sectional construction.In this work progress,, guarantee that daily exploration operation is unaffected, adopted the section construction mode in order to reduce inclined shaft 8 adherence pressures.In addition; In 4 to 340 stage casings 3, construction 290 stage casings during last 10 meters courtyards; In order to guarantee 340 stage casings, 3 each post staff's safety, when carrying out shot firing operation, temporarily the sealing of 340 stage casings, 3 ingates, vertical shaft 1 are suspended and promote, treat the bursting work continued normal operation that finishes.The barren rock that produces in each staged construction process is transported to each stage casing inclined shaft 8 shaft bottom earlier, is promoted to 340 stage casings, 3 ingates after organizing into groups with the operating mine rock, is promoted to outside the hole by vertical shaft 1.
(4), after short courtyard 9 omnidistance perforations of light section, check vertical shaft 1 wellbore centre line 7 once more.
(5), the group that expands as shown in Figure 4: with vertical shaft 1 wellbore centre line 7 is the center of circle, with the circular pit shaft of the disposable expansion of the short courtyard of 2 meters * 2 meters light sections group for 3.8 meters of diameters.Vertical shaft 1 pit shaft is sealed at 3 downward 10 meters, 340 stage casings with mine timber during this period, guarantee that normal exploration lifting operation is not expanded helper's journey and influenced.
(6), vertical shaft 1 deepening section is carried out gunite and shaft equipment installation: between the shaft equipment installation period, in order to guarantee underground operators safety, must well head be sealed, thus, all exploration operations must stop.In order to reduce the loss as far as possible, guarantee to supply the ore deposit, belong to work high above the ground according to installation personnel, the characteristics of unsuitable continuous operation have taked shaft equipment to install and the exploration operation intersects the method for carrying out, and are arranged in the operation on daytime to installation work that is:, and well head seals temporarily; Open well head night, begins normal exploration operation.Both guaranteed normal confession ore deposit, guaranteed again that installation exercise normally carried out.
Above-mentioned project begins construction (inner practice, externally not open) in June, 2008, finishes to go into operation in January, 2009, and the whole duration is 7 months.Bridge is attend the mining area, stockaded village and was adopted altogether in 2008 and join to go down the hill the ore deposit and measure 14.97 ten thousand tons, tunnels 4822.5 meters, has accomplished the annual responsibility target that company assigns, and has reached technological transformation limit, limit and has produced, and technological transformation does not influence the purpose of production.Wherein: 2008 10,11, December are dug up mine 37539.94 tons altogether, tunnel 1120.2 meters, have guaranteed that western rising tone ore dressing plant runs well, and produces 1189.63 ten thousand yuan of profits taxes indirectly.
The economic benefit computational methods:
When adopting the inventive method to carry out shaft deeping, each stage casing wear the arteries and veins engineering can be used as after each stage casing ingate use, so do not increase engineering quantity newly.During shaft deeping, no matter adopt construction from the top down or anti-pick from bottom to top, the unit price of " gold industry engineering construction norm for detailed estimates " defined is identical, does not therefore also increase engineering cost.But, when adopting the inventive method construction, increased the difficulty of construction of installing engineering, also increased expense simultaneously.This increase expense is gross investment, and computational methods are: ten thousand yuan of project gross investment=work day quantity * unit price * degree-of-difficulty factor=1583 work day * 80 yuan/work day * 0.45=5.62.
New output value computational methods: if adopt normal job practices (pick down); The driving of shaft deeping (length overall is greater than 400 meters) and installation need 3 months durations so; Be that the mining area must stop production 3 months (2008 10 to December); In these 3 middle of the month, this vertical shaft westwards rising tone ore dressing plant provides the output value of ore deposit amount to should be the indirect output value of this project:
The output value=3 a month mining amount * selected grade * recovery rate in ore-dressing * gold containing material unit price=37539.94 ton * 3.62 gram/tons * 90% * 200 yuan/restrain=2446.1 ten thousand yuan.
Newly-increased profits tax computational methods: newly-increased profits tax=output value-cost-project investment=2446.1 ten thousand yuan-1250.85 ten thousand yuan-5.62 ten thousand yuan=1189.63 ten thousand yuan.
Wherein the driving expense+mining expense of cost=3 month+transport, select expense+company management's expense=239.89 ten thousand yuan+327.73 ten thousand yuan+75 yuan/ton * 37539.94 tons+107 yuan/ton * 37539.94=1250.85 are ten thousand yuan.
Claims (5)
1. anti-method of digging deepening and the cross-operation of exploration engineering of vertical shaft; It is characterized in that: at first from the mining engineering stage casing, the mineral exploration engineering stage casing constructs respectively and wears the arteries and veins engineering to former vertical shaft shaft bottom; Then respectively from the bottom to top from the mineral exploration engineering stage casing, the anti-construction shaft of digging in mining engineering stage casing communicates with former vertical shaft, is mounted to well at last; In whole construction course, former exploration engineering ordinary production after the barren rock that produces in ore deposit rock that each stage casing construction is produced and the shaft sinking is transported to the stage casing of former vertical shaft lowest bid eminence from corresponding stage casing inclined shaft, is carried to well.
2. the anti-method of digging deepening and the cross-operation of exploration engineering of vertical shaft as claimed in claim 1 is characterized in that: the anti-pick during the construction shaft, in the downward 10 meters scopes in the stage casing of former vertical shaft lowest bid eminence, vertical shaft is sealed.
3. according to claim 1 or claim 2 the anti-method of digging deepening and the cross-operation of exploration engineering of vertical shaft is characterized in that: be mounted to during the well, shaft equipment is installed to intersect with the exploration engineering and is carried out.
4. the anti-method of digging deepening and the cross-operation of exploration engineering of vertical shaft as claimed in claim 3; It is characterized in that: anti-when digging construction shaft; At first from the mineral exploration engineering stage casing, the mining engineering stage casing simultaneously or the short courtyard of section construction light section connect with last stage casing, expand again after omnidistance the perforation group extremely with the suitable pit shaft of former vertical shaft diameter.
5. the anti-method of digging deepening and the cross-operation of exploration engineering of vertical shaft as claimed in claim 4 is characterized in that: construction is when wearing the arteries and veins engineering, and it is consistent with the ingate parameter of the former vertical shaft of construction to guarantee to wear arteries and veins specification of works, the gradient, turn radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102796366A CN101967974B (en) | 2010-09-13 | 2010-09-13 | Method for crossed operation of vertical shaft backward-excavation deepening and exploitation projects |
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| CN2010102796366A CN101967974B (en) | 2010-09-13 | 2010-09-13 | Method for crossed operation of vertical shaft backward-excavation deepening and exploitation projects |
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| CN101967974A CN101967974A (en) | 2011-02-09 |
| CN101967974B true CN101967974B (en) | 2012-07-25 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103046931B (en) * | 2012-12-03 | 2015-01-14 | 云南建工水利水电建设有限公司 | Method for forming holes of vertical shaft/pilot shaft through impact type drilling machine in impacting mode |
| CN104110261A (en) * | 2014-06-13 | 2014-10-22 | 中国水利水电第十二工程局有限公司 | Construction method for expanding excavation of shaft at one time in reverse mode |
| CN104964625B (en) * | 2015-05-27 | 2016-09-07 | 中钢集团马鞍山矿山研究院有限公司 | Anti-pick through blasting method harmless to existing pit shaft during a kind of Shaft extension |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU7003481A (en) * | 1980-05-01 | 1981-11-05 | Ingersoll-Rand Co. | Roof support over mining machine |
| CN1176337A (en) * | 1996-07-13 | 1998-03-18 | 鲁阿科勒股份公司 | Process for planning working panels taking account of prevention and counteraction of rock bursts, especially in hard coal deposit |
| CN1333858A (en) * | 1998-11-20 | 2002-01-30 | Cdx天然气有限公司 | Method and system for accessing substerranean deposits from the surface |
| CN101749018A (en) * | 2010-01-31 | 2010-06-23 | 山西晋城无烟煤矿业集团有限责任公司 | Coal mining method with direct coal pillar recovery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3750043B2 (en) * | 1998-06-10 | 2006-03-01 | 清水建設株式会社 | Large section underground hollow quarry |
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- 2010-09-13 CN CN2010102796366A patent/CN101967974B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU7003481A (en) * | 1980-05-01 | 1981-11-05 | Ingersoll-Rand Co. | Roof support over mining machine |
| CN1176337A (en) * | 1996-07-13 | 1998-03-18 | 鲁阿科勒股份公司 | Process for planning working panels taking account of prevention and counteraction of rock bursts, especially in hard coal deposit |
| CN1333858A (en) * | 1998-11-20 | 2002-01-30 | Cdx天然气有限公司 | Method and system for accessing substerranean deposits from the surface |
| CN101749018A (en) * | 2010-01-31 | 2010-06-23 | 山西晋城无烟煤矿业集团有限责任公司 | Coal mining method with direct coal pillar recovery |
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Address after: 472500, Jincheng Road, Lingbao City, Henan Province, No. 20 Applicant after: Lingbao Jinyuan Mining Co.,Ltd. Address before: 472500, Jincheng Road, Lingbao City, Henan Province, No. 20 Applicant before: Lingbao City Jinyuan Mining Co., Ltd. |
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