CN1580490A - Open production method for lake bottom copper mine - Google Patents
Open production method for lake bottom copper mine Download PDFInfo
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- CN1580490A CN1580490A CN 200410038078 CN200410038078A CN1580490A CN 1580490 A CN1580490 A CN 1580490A CN 200410038078 CN200410038078 CN 200410038078 CN 200410038078 A CN200410038078 A CN 200410038078A CN 1580490 A CN1580490 A CN 1580490A
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Abstract
An opencast mining method for a lake bottom copper ore includes period of capital constructionand production, among which, the capital construction includes stripping mud, stones and clays and drainage, the production period includes stripping clays, stones, mud, removing pollutant water and mining copper ore characterizing in applying laterla stepped mud stripping way, that is to design the highway develop system at the clay and rock sections of the side wing of the mud section and develop step by step, applying rolling gravity building method, that is to strip clays with digging machines and husk, if underground water influences safety of the dam, many holes should be drilled to pump water to protect the dam and drains the water into the lake.
Description
Technical field
The present invention relates to a kind of exploitation method of copper mine, particularly a kind of mineral deposit buries that lakebed, silt depth are big, the strip mining transformation method of the lakebed copper mine of hydrological engineering geological conditions complexity.
Background technology
Along with fast development of national economy, industry is growing to the demand of copper metal, China's copper metals resources breach is bigger, and need encourage the exploitation copper mine every year from external import therefore, the copper mine exploitation of general ground is comparatively easy, be imbedded in its method complexity of lakebed copper deposit and will exploit, the Gu Yan that will build a dam on dark mud earlier arranges water then, again mud rubbish in the stope is transported and dumped, to the developing mining of former rock stratum.The cofferdam of building a dam of design both at home and abroad is to build a dam with concrete promptly to remove dam foundation bottom sludge and build a dam on the protolith basis.Remove mud dredge boat scheme in the stope.Such exploitation method need drop into substantial contribution and manpower, at the bottom of cost height, the efficient, is difficult to for a long time realize.
In view of this, in order to overcome above-mentioned shortcoming, improve exploitation method, this creator is according to oneself practical experience and technical concept, and comprehensively each subject advanced technology is put into practice after deliberation, and has the present invention to produce eventually.
Summary of the invention
The present invention is the strip mining transformation method that a kind of lakebed copper mine will be provided, with solution make that its stope is peeled off, silt displacement and build a dam and carry out simultaneously, gather materials on the spot, reduce cost, enhance productivity and the technical problem of safety work.
It is such solving the problems of the technologies described above the technical scheme that is adopted:
A kind of strip mining transformation method of lakebed copper mine, include an infrastructure phase and a campaign, this infrastructure phase includes mud and peels off, clay is peeled off, rock is peeled off, and draining, the mud and the rock that wherein separate are sent to waste-rock yard, the water of discharging is sent in the lake water, include clay and peel off this campaign, rock is peeled off, mud is peeled off, sewage is got rid of and the copper mine exploitation, the mud and the rock that wherein separate are sent to waste-rock yard, the sewage of discharging is sent in the lake water after sewerage treatment, copper mine stone is sent to the ore dressing plant, it is characterized in that: the clay that separates in this infrastructure phase and campaign is sent to and is built a dam, this mud is peeled off and is adopted side direction stage mud to peel off method, builds a dam and adopts the rolling gravity method of building a dam;
It promptly is that the highway development system is arranged on flank clay location, mud location and rock location that this side direction stage mud is peeled off method, and carry out stage by stage, each stage developing advances to the mud location from clay location and rock location gradually with excavator and automobile, then stop to advance when mud appears in excavator on bench floor, open up next stage aspect operation again;
This rolling gravity method of building a dam promptly is that peel off with the clay that excavator and automobile carry out in the clay location in stope, and carry out stage by stage, each stage advances to the mud location gradually from rock location and clay location, after clay has been peeled off, open up next stage aspect operation again, and continue to build a dam with the clay layering of excavating plant, this dam body deadweight is dark down, extruding mud makes the dam foundation embed deep, mud location in the lake water, and pushes ahead with roll mode;
In the process of building a dam, if the influence on groundwater safety of dam body then adopts the Gu Ba that draws water that holes, on dam body, be drilled with a plurality of suction eyes, be provided with submersible pump in this suction eye, drawing water enters in the lake water;
Wide 40～50m on this dam body, following wide 80～120m, this dam body exceed the gaolu water surface 2.0～2.5m;
The distance of this base, dam body lower end boundary line apart from the open is greater than 50m;
This dredging operation aspect is stage by stage peeled off, and each stage aspect height is 10～15m, and the side slope in mud location is 20 °～30 °; The side slope in rock location is 45 °;
The highway of this highway development system descends the high 10～15m of stage aspect by 8% the gradient.
The present invention adopts side direction stage mud to peel off method, this method adopts excavator and automobile, arrange the highway development system in mud level selection hard rock location, peel off stage by stage, the highway gradient is 8%, the stage height is 10～15m, because equipment operation on hard rock soil base plate can not sunk, advance to the mud direction gradually, find that in pushing ahead base plate mud occurs and then halts, open up the next stage again toward the propelling of mud direction, the clay of peeling off is used to build a dam, the mud of peeling off is sent to waste-rock yard and dumps, and has so just solved the difficult problem of various degree of depth mud.This rolling gravity is built a dam, promptly the clay of peeling off with excavator, automobile is built a dam for the raw material compaction in layers, rely on dam body to push mud from resedimentation, and promote forward to build a dam with roll mode, this method is to peel off with stope, casting, build a dam to fuse and carry out simultaneously, gather materials on the spot, reduce cost, be the saving substantial contribution of building a dam.Draw water solid dam method of boring adopts boring to draw water, and has reduced hydraulic radius, makes phreatic line be reduced to mud and below the rock contact zones, dam body and side slope is played firm effect; Thereby solved and made that its stope is peeled off, silt displacement and build a dam and carry out simultaneously, gathered materials on the spot, reduced cost, enhance productivity and the technical problem of safety work.
The inventive method is easy, gather materials on the spot, and its advantage is as follows:
1, this method has been started the precedent of domestic lakebed copper mine exploitation, and this rolling gravity is built a dam and side direction stage mud is peeled off and solved the mining circle for a long time to the important subject that the lakebed dyke strengthening is built a dam and mud is peeled off, and the tool advance.
2, this method is gathered materials on the spot, and has replaced the design scheme of domestic and international concrete dam and the scheme that dredge boat is peeled off mud, can save great amount of investment, and tool advance, economy.
3, this method technology is simple, technology is reliable, dam body is firmly impermeable, and small investment, instant effect are applicable to the exploitation of extensive lakebed copper mine and the tool economic and practical.
Description of drawings
Fig. 1 is an exploitation method schematic flow sheet of the present invention.
Fig. 2 is the excavating plant of the present invention and the position plane schematic diagram of building a dam.
Fig. 3 is the A-A sectional view of Fig. 2.
The specific embodiment
As shown in Figure 1, be exploitation method schematic flow sheet of the present invention, this lakebed copper mine 10 is (as Fig. 2, shown in 3) the strip mining transformation method, include an infrastructure phase and a campaign, this infrastructure phase includes mud and peels off, clay is peeled off, rock is peeled off, and draining, the mud and the rock that wherein separate are sent to waste-rock yard, the water of discharging is sent in the lake water, include clay and peel off this campaign, rock is peeled off, mud is peeled off, sewage is got rid of and the copper mine exploitation, the mud and the rock that wherein separate are sent to waste-rock yard, the sewage of discharging is sent in the lake water after sewerage treatment, copper mine stone is sent to the ore dressing plant, and wherein, the clay that separates in this infrastructure phase and campaign is sent to and built a dam, this mud is peeled off and is adopted side direction stage mud to peel off method, builds a dam and adopts the rolling gravity method of building a dam;
Shown in Fig. 2,3, it promptly is that highway development system 80 is arranged on 40 flank clay location 30 and rock locations 20, mud location that this side direction stage mud is peeled off method, and carry out stage by stage, each stage developing advances to mud location 40 from clay location 30 and rock location 20 gradually with excavator and automobile, then stop to advance when mud appears in excavator on bench floor, open up the next stage operation again;
This rolling gravity method of building a dam promptly is that peel off with the clay that excavator and automobile carry out in the clay location in stope, and carry out stage by stage, each stage advances to mud location 40 gradually from rock location 20 and clay location 30, after clay has been peeled off, open up next stage aspect operation again, and continue to build a dam with the clay layering of excavating plant, these dam body 50 deadweights are dark down, extruding mud makes the dam foundation embed 40 deeps, mud location in the lake water, and pushes ahead with roll mode;
In the process of building a dam, if influence on groundwater is built body safety, then adopt the Gu Ba that draws water that holes, on dam body 50, be drilled with a plurality of suction eyes 51, be provided with the submersible pump (not shown) in this suction eye 51, drawing water enters in the lake water 60;
Wide 40～50m on this dam body 50, following wide 80～120m, this dam body 50 exceed the gaolu water surface 2.0～2.5m;
The distance of this base, dam body 50 lower end boundary line 70 apart from the open is greater than 50m;
This dredging operation is peeled off stage by stage, and each level interval is 10～15m, and the side slope in mud location 40 is 20 °～30 °; The side slope in rock location 20 is 45 °;
The highway of this highway development system descends the high 10～15m of stage aspect by 8% the gradient.
This method is peeled off stope mud, clay, rock, and casting and building a dam fuses, and finishes simultaneously.This dam width reaches 40m, if subsiding appears in any location of dam body, all can not influence dam body collapses, leak, the raw material of building a dam is to use the stope internal clay entirely, need not to buy in addition, saved great amount of investment, its side direction mud is peeled off method and has been prevented excavating equipment generation of sinkage during operation on mud, technology of the present invention is simple, technology is reliable, dam body is firmly impermeable, small investment, instant effect, be applicable to the exploitation of extensive lakebed copper mine and the tool economic and practical, the small-scale test embodiment of the lakebed copper mine exploitation method of the inventive method is as follows: lakebed copper mine exploitation scene is a long 400m, wide 300m, the excavating plant of dark 75m, adopt the rolling gravity method of the building a dam 800m that builds a dam, its year is peeled off total amount 40～500,000 m
3, mud 150,000 m wherein
3, clay 50,000 m
3, rock 200,000 m
3, can year extracted ore 160,000 tons, wherein 100,000 tons in copper mine stone, 60,000 tons in sulphur ore, gross annual output value can reach 3,000 ten thousand yuan, saves 1,000 ten thousand yuan of the investments of building a dam.
In sum, exploitation method of the present invention is easy, cost is low, efficient is high, has economic and practical, meets each important document of patent of invention, so propose application for a patent for invention in accordance with the law.
Claims (5)
1, a kind of strip mining transformation method of lakebed copper mine, include infrastructure phase and campaign, this infrastructure phase includes mud and peels off, clay is peeled off, rock is peeled off, and draining, the mud and the rock that wherein separate are sent to waste-rock yard, the water of discharging is sent in the lake water, include clay and peel off this campaign, rock is peeled off, mud is peeled off, sewage is got rid of and the copper mine exploitation, the mud and the rock that wherein separate are sent to waste-rock yard, the sewage of discharging is sent in the lake water after sewerage treatment, copper mine stone is sent to the ore dressing plant, it is characterized in that: the clay that separates in this infrastructure phase and campaign is sent to and is built a dam, this mud is peeled off and is adopted side direction stage mud to peel off method, builds a dam and adopts the rolling gravity method of building a dam;
It promptly is that the highway development system is arranged on flank clay location, mud location and rock location that this side direction stage mud is peeled off method, and carry out stage by stage, each stage developing advances to the mud location from clay location and rock location gradually with excavator and automobile, then stop to advance when mud appears in excavator on bench floor, open up next stage aspect operation again;
This rolling gravity method of building a dam promptly is that peel off with the clay that excavator and automobile carry out in the clay location in stope, and carry out stage by stage, each stage advances to the mud location gradually from rock location and clay location, after clay has been peeled off, open up next stage aspect operation again, and continue to build a dam with the clay layering of excavating plant, this dam body deadweight is dark down, extruding mud makes the dam foundation embed deep, mud location in the lake water, and pushes ahead with roll mode;
In the process of building a dam, if the influence on groundwater safety of dam body then adopts the Gu Ba that draws water that holes, on dam body, be drilled with a plurality of suction eyes, be provided with submersible pump in this suction eye, drawing water enters in the lake water.
2, the strip mining transformation method of lakebed copper mine according to claim 1 is characterized in that: wide 40～50m on this dam body, following wide 80～120m, this dam body exceed the gaolu water surface 2.0～2.5m.
3, the strip mining transformation method of lakebed copper mine according to claim 1 is characterized in that: the distance of this base, dam body lower end boundary line apart from the open is greater than 50m.
4, the strip mining transformation method of lakebed copper mine according to claim 1, it is characterized in that: this dredging operation is peeled off stage by stage, and each level interval is 10～15m, and the side slope in mud location is 20 °～30 °; The side slope in rock location is 45 °.
5, the strip mining transformation method of lakebed copper mine according to claim 1 is characterized in that: the highway of this highway development system descends high 10～15m of stage by 8% the gradient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100380789A CN100339555C (en) | 2004-05-19 | 2004-05-19 | Open production method for lake bottom copper mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100380789A CN100339555C (en) | 2004-05-19 | 2004-05-19 | Open production method for lake bottom copper mine |
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| Publication Number | Publication Date |
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| CN1580490A true CN1580490A (en) | 2005-02-16 |
| CN100339555C CN100339555C (en) | 2007-09-26 |
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| CNB2004100380789A Expired - Fee Related CN100339555C (en) | 2004-05-19 | 2004-05-19 | Open production method for lake bottom copper mine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913246A (en) * | 2012-10-30 | 2013-02-06 | 中国科学院地质与地球物理研究所 | Solid potash ore open-pit mining method under condition of tropical monsoon climate |
| CN103790590A (en) * | 2014-01-22 | 2014-05-14 | 中钢集团马鞍山矿山研究院有限公司 | Technology for preventing and controlling underground floods in transitional period from surface mine to underground mine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3443744A1 (en) * | 1984-11-30 | 1986-06-05 | Jürgen Dr.-Ing. 2820 Bremen Gollenbeck | Method and equipment for the underwater extraction of solid mineral raw materials, in particular brown coal |
| DE4039016A1 (en) * | 1990-12-04 | 1992-08-27 | Tholl Juergen Dipl Ing | Freezing dam-water feed protection for open-cast mining - uses freezing body introduced via freezing holes in mining edge with circulating cold medium in drill bars |
| CN1063518C (en) * | 1995-12-26 | 2001-03-21 | 张朝喜 | Drainage cut-off (deep ditch high-building method) drainage and supplying optimization combination for preventing and harnessing groud water |
| DE19961243A1 (en) * | 1999-12-18 | 2001-07-05 | Wolfgang Rabe | Process for de-acidifying of lakes from mining and open-cast mining after closing of the mines |
| US7011756B2 (en) * | 2000-10-03 | 2006-03-14 | Harrington Joseph G | In situ immobilization of metals within density variant bodies of water |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913246A (en) * | 2012-10-30 | 2013-02-06 | 中国科学院地质与地球物理研究所 | Solid potash ore open-pit mining method under condition of tropical monsoon climate |
| CN102913246B (en) * | 2012-10-30 | 2014-10-08 | 中国科学院地质与地球物理研究所 | Solid potash ore open-pit mining method under condition of tropical monsoon climate |
| CN103790590A (en) * | 2014-01-22 | 2014-05-14 | 中钢集团马鞍山矿山研究院有限公司 | Technology for preventing and controlling underground floods in transitional period from surface mine to underground mine |
| CN103790590B (en) * | 2014-01-22 | 2015-09-09 | 中钢集团马鞍山矿山研究院有限公司 | Transitional period down-hole, open air trestle mine flood prevention and controls |
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| CN100339555C (en) | 2007-09-26 |
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