CN210948688U - Artificial false lane - Google Patents
Artificial false lane Download PDFInfo
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- CN210948688U CN210948688U CN201921681816.XU CN201921681816U CN210948688U CN 210948688 U CN210948688 U CN 210948688U CN 201921681816 U CN201921681816 U CN 201921681816U CN 210948688 U CN210948688 U CN 210948688U
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Abstract
The utility model discloses an artifical false lane, including artifical sill, vein-penetrating haulage way and security personnel pillar, artifical sill sets up on vein-penetrating haulage way's both sides, and security personnel pillar sets up in vein-penetrating haulage way's top, and artifical sill divides when mining for the ore body, and the back comprises reinforcing bar and cemented filling body, and thickness is 3~6m the vein-penetrating haulage way is vein-penetrating haulage way of ore body exploitation stope, also vein-penetrating haulage way, and the size is 1.8 × 1.8.8 m ~2.2 × 2.2.2 m according to the ore body exploitation demand still including setting up manway drainage well and the ore pass in security personnel pillar, and manway drainage well and ore pass through security personnel pillar.
Description
Technical Field
The utility model relates to a mine exploitation engineering technical field, more specifically say, especially relate to an artifical false lane in the mining process.
Background
In the mining of underground mines, when an ore body which is high in mining grade, high in economic value and not allowed to sink on the earth surface is mined, the mining is usually carried out by a filling method, when the mining is carried out by the filling method, in order to improve the recovery rate of the ore and reduce the dilution loss rate, a bottom column is recovered, then an artificial bottom column is constructed by reinforced concrete, and an artificial false roadway is constructed in the artificial bottom column to ensure the follow-up work.
The artificial false lane is an important ring in the filling mining process, the mining efficiency is directly influenced by the construction speed, and the construction method of the artificial false lane mainly comprises the steps of pouring concrete artificial construction, red brick or stone chip and concrete artificial combined construction and the like. However, in actual work, in order to increase the lane forming speed, a mode of constructing an artificial false lane by using a wood board, a cross beam and filling slurry is also provided. In any mode, a large amount of time is needed for erecting a mould, manually maintaining and the like, the defects of low efficiency, high cost and the like are overcome, the construction cost of the type of the false lane is 10000 yuan/m according to related engineering experience, the construction period of a 5m false lane is about 10 days, and the recovery efficiency of a stope is greatly reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the problem that above-mentioned prior art exists, provide a simple structure, security height, build the time limit for a project weak point, and low cost and engineering material economize artifical false lane.
The utility model adopts the technical proposal that: an artificial false lane comprises artificial bottom pillars, a vein-penetrating transport lane and security ore pillars, wherein the artificial bottom pillars are arranged on two sides of the vein-penetrating transport lane, the security ore pillars are arranged above the vein-penetrating transport lane, the artificial bottom pillars are divided during ore body extraction, and then are composed of reinforcing steel bars and cemented filling bodies, and the thickness of the artificial bottom pillars is 3-6 m.
The vein-crossing transport lane is a vein-crossing transport lane of an ore body mining room and is also a vein-crossing ore prospecting lane, and the size of the vein-crossing transport lane is 1.8 × 1.8.8 m-2.2 × 2.2.2 m according to the ore body mining requirement.
The safety pillar comprises a safety pillar and a pedestrian drainage well arranged in the safety pillar, wherein the pedestrian drainage well and the sliding well penetrate through the safety pillar.
Still include the ventilation shaft, the ventilation shaft setting is in the top of artifical foundation, is connected to artifical foundation.
The width of the security pillar is the width of an ore body, and the thickness of the security pillar is 2-3 m.
The artificial foundation pile is characterized by further comprising a filling retaining wall, wherein the filling retaining wall is arranged between the drift-through transportation roadway and the artificial foundation pile.
The artificial bottom pillar is formed by arranging the water filtering pipes on the filling retaining wall, hanging the filling pipes at the top, gradually filling the filling retaining wall from two ends, pulling the filling pipes outwards while filling until the whole space is full of water, and maintaining the water filtering to reach certain strength.
The cemented filling of the artificial bottom pillar adopts graded tailings or paste for filling, and the water-cement ratio within 40-50 mm of the bottom is 1: 4 or 1: 6, the water-cement ratio of the filling slurry at the upper part of the furnace is 1: 8.
compared with the prior art, the utility model has the advantages of it is following:
the utility model takes the existing pulse-through transportation lane as the basis to carry out the extraction of the bottom pillar of the ore body; after recovery, retaining walls are constructed on two sides of the through transport lane, then artificial bottom pillars are constructed by adopting reinforcing steel bars and cemented filling bodies, security pillars with a certain size are reserved on the upper part of the lane forming position when mining the ore body on the upper part, the bottom pillars are recovered by utilizing the security pillars and the through transport lane, and the recovery rate of the ore is improved; in addition, the existing through-drift transport lane, the artificial bottom pillar, the filling retaining wall and the security mine pillar reserved at the upper part of the lane forming position are fully utilized, and the artificial false lane with good safety performance is quickly and simply constructed.
To sum up, the utility model discloses simple structure, security are high, and build the time limit for a project short, and low cost, engineering material province construct cost 5000 yuan/m, can constitute fast along with the back mining, need not almost to reserve special engineering time, and compare in traditional construction method, hardly consume engineering material, the artifical tunnel intensity of false of construction completion is high, the security performance is good, the specially adapted ore rock stability is better, the ore value is higher, thin to the structure of the artifical tunnel of false in the exploitation of the thick inclined ore body of middling.
Drawings
The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of i-i in fig. 1.
Fig. 3 is a side view ii-ii of fig. 1.
Fig. 4 is a side view iii-iii of fig. 1.
In the figure: 1. the artificial false roadway comprises an artificial false roadway, a drift transport roadway, a drift 3, an ore body, a filling body, a sliding mine, a safety pillar, a pedestrian drainage well, a filling retaining wall, a surrounding rock, an extravein transport roadway, a ventilation well, a manual bottom pillar and 7.
Detailed Description
The artificial false lane 1 is further described with reference to the accompanying drawings and the embodiment, the artificial false lane 1 comprises artificial pillars 12, a vein-penetrating transport lane 2 and security pillars 6, the artificial pillars 12 are arranged on two sides of the vein-penetrating transport lane 2, the security pillars 6 are arranged above the vein-penetrating transport lane 2, the artificial pillars 12 are divided during mining of an ore body 3, and then are composed of reinforcing steel bars and cemented filling bodies 4, and the thickness of the artificial false lane 1 is 3-6 m.
Further, vein-penetrating haulage roadway 2 is vein-penetrating haulage roadway 2 of ore body 3 mining room, also is vein-penetrating prospecting roadway, and the size is 1.8 × 1.8m ~2.2 × 2.2.2 m according to ore body 3 mining demand.
As a further improvement, the utility model discloses still including setting up people's bank of china drainage well 7 and the ore pass 5 in security personnel's pillar 6, people's bank of china drainage well 7 and ore pass through security personnel's pillar 6 with ore pass 5.
As a further improvement, the artificial bottom pillar comprises a ventilation shaft 11, wherein the ventilation shaft 11 is arranged above the artificial bottom pillar 12 and is connected to the artificial bottom pillar 12.
Furthermore, the width of the security pillar 6 is the width of the ore body 3, and the thickness is 2-3 m.
As another embodiment, the present invention further includes a filling retaining wall 8 on the basis of satisfying the above conditions, and the filling retaining wall 8 is disposed between the vein-through transportation roadway 2 and the artificial bottom pillar 12.
The filling retaining wall 8 is constructed by adopting reinforced concrete, and the thickness, the type of the reinforcing steel bars and the reinforcing steel bar distribution condition are calculated and obtained according to the field condition.
The artificial bottom pillar 12 is formed by arranging a water filtering pipe on the filling retaining wall 8, hanging the filling pipe at the top, gradually filling the filling retaining wall 8 from two ends, pulling the filling pipe outwards while filling until the whole space is full of water, and performing water filtering maintenance to reach certain strength. The mining of the upper ore body 3 can be carried out;
the cemented filling of the artificial bottom pillar 12 adopts graded tailings or paste for filling, and the water-cement ratio within 40-50 mm of the bottom is 1: 4 or 1: 6, the water-cement ratio of the filling slurry at the upper part of the furnace is 1: 8.
the utility model discloses a theory of operation: the ore body 3 is divided into an upper part and a lower part, the lower part is a chamber, the upper part is an ore pillar, firstly, an external vein transport lane 10 is perpendicular to the ore body 3 to construct a vein-through transport lane 2, then, bottom pillars are stoped from the vein-through transport lane 2 to two sides of the chamber, then, filling retaining walls 8 are constructed at two sides of the vein-through transport lane 2, and artificial bottom pillars 12 of a reinforcing mesh and a cemented filling body 4 are constructed.
After the water filtering and maintenance of the filling body 4 is finished and certain strength is achieved, the stoping of the upper ore body 3 is carried out, when the upper ore body 3 is mined, a safety pillar 6 with a certain size is reserved above the position to be tunneled, then a manway drainage shaft 7 and a chute shaft 5 are constructed in the safety pillar 6, and finally, a ventilation shaft 11 is constructed at a proper position. The security pillars 6 and the chamber form an artificial false lane 1.
The construction method of the artificial false lane 1 is further explained in the following, and comprises the following steps:
the method comprises the following steps: extracting the bottom pillar of the ore body 3 through the drift 2;
vein-penetrating transport lane 2 for ore body 3 exploit this stope vein-penetrating transport lane 2, also vein-penetrating exploration lane, the size is according to ore body 3 exploitation demand, preferably 1.8 × 1.8m ~2.2 × 2.2.2 m.
Step two: after the bottom pillar extraction is finished, filling retaining walls 8 are constructed on two sides in the drift-through transportation lane 2;
the filling retaining wall 8 is constructed by reinforced concrete. Of course, other construction modes having equivalent functions may be adopted.
And the filling retaining wall 8 in the step two is constructed by adopting reinforced concrete, and the thickness, the type of the reinforcing steel bars and the reinforcing steel bar distribution condition are calculated and obtained according to the field condition.
Step three: arranging reinforcing meshes at the original positions of the bottom pillars on the two sides, performing cemented filling, and forming an artificial bottom pillar 12 after the water filtration and maintenance of the filling body 4 reach certain strength, namely mining the upper ore body 3;
the method for forming the artificial bottom pillar 12 in the third step is that the water filter pipe is arranged on the filling retaining wall 8, the filling pipe is hung at the top, the filling retaining wall 8 is gradually filled from two ends of the stope, and the filling pipe is pulled outwards during filling until the whole space is filled.
The strength of the reinforcing mesh and the type of the used reinforcing steel bars in the third step are determined according to the actual situation and calculation on site;
and filling the three steps of cemented filling by using graded tailings or paste, wherein the water-cement ratio within 40-50 mm of the bottom is 1: 4 or 1: 6, the water-cement ratio of the filling slurry at the upper part of the furnace is 1: 8.
step four: when the upper ore body 3 is mined, a security pillar 6 with a certain size is reserved at the upper part of the roadway forming position, a manway drainage well 7 and a chute 5 are constructed in the security pillar 6, and the security pillar 6, a filling retaining wall 8 and an artificial bottom pillar 12 form an artificial false roadway 1;
the utility model discloses on the basis that satisfies above-mentioned condition, 6 widths of security personnel pillar are 3 widths of ore body, and length is the length in false lane, and thickness is 1~3 m.
In the first step and the second step of the utility model, the bottom pillars are divided during the stoping of the ore body 3, and the thickness of the bottom pillars is different according to the different mining methods and is generally 3-6 m;
in the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless otherwise expressly stated or limited, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "over" a second feature may be directly or diagonally over the first feature or may simply mean that the first feature is at a higher level than the second feature. A first feature "under" a second feature may be that the first feature is directly under or obliquely under the second feature, or simply that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the terms "embodiment," "specific embodiment," "example" or "specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (8)
1. An artificial false lane is characterized in that: the mining safety mining method comprises artificial bottom pillars, a vein-penetrating transportation lane and safety pillars, wherein the artificial bottom pillars are arranged on two sides of the vein-penetrating transportation lane, the safety pillars are arranged above the vein-penetrating transportation lane, the artificial bottom pillars are divided when an ore body is mined, and then the artificial bottom pillars are composed of reinforcing steel bars and cemented filling bodies, and the thickness of the artificial bottom pillars is 3-6 m.
2. The artificial false lane of claim 1, wherein the drift transport lane is a drift transport lane of a mineral mining chamber and a drift prospecting lane, and the size of the drift transport lane is 1.8 × 1.8.8 m to 2.2 × 2.2.2 m according to the mineral mining requirement.
3. The artificial false lane of claim 1, wherein: the safety pillar comprises a safety pillar and a pedestrian drainage well arranged in the safety pillar, wherein the pedestrian drainage well and the sliding well penetrate through the safety pillar.
4. The artificial false lane of claim 1, wherein: still include the ventilation shaft, the ventilation shaft setting is in the top of artifical foundation, is connected to artifical foundation.
5. The artificial false lane of claim 1, wherein: the width of the security pillar is the width of an ore body, and the thickness of the security pillar is 2-3 m.
6. The artificial false lane of claim 1, wherein: the artificial foundation is characterized by further comprising a filling retaining wall, wherein the filling retaining wall is arranged between the drift-through transportation roadway and the artificial bottom pillar and is constructed by reinforced concrete.
7. The artificial false lane of claim 6, wherein: the artificial foundation pillar is characterized in that the water filter pipes are arranged on the filling retaining wall, the filling pipes are hung at the top of the artificial foundation pillar, the filling pipes are gradually filled in the filling retaining wall from two ends, the filling pipes are pulled outwards when the artificial foundation pillar is filled until the artificial foundation pillar is full of the whole space, and the artificial foundation pillar is formed after water filtering maintenance reaches certain strength.
8. An artificial false lane as claimed in any one of claims 1 to 7, wherein: the cemented filling of the artificial bottom pillar adopts graded tailings or paste for filling, and the water-cement ratio within 40-50 mm of the bottom is 1: 4 or 1: 6, the water-cement ratio of the filling slurry at the upper part of the furnace is 1: 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921681816.XU CN210948688U (en) | 2019-10-10 | 2019-10-10 | Artificial false lane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921681816.XU CN210948688U (en) | 2019-10-10 | 2019-10-10 | Artificial false lane |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847029A (en) * | 2021-09-09 | 2021-12-28 | 江西省修水香炉山钨业有限责任公司 | Surrounding column mining method for high and large point column of underground mine |
| CN114060082A (en) * | 2021-11-08 | 2022-02-18 | 中南大学 | Method for constructing artificial ore pillar by using reinforcement filling body |
| CN114592868A (en) * | 2022-03-09 | 2022-06-07 | 长沙矿山研究院有限责任公司 | Ore mining structure and method under extremely-broken ore body condition |
-
2019
- 2019-10-10 CN CN201921681816.XU patent/CN210948688U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847029A (en) * | 2021-09-09 | 2021-12-28 | 江西省修水香炉山钨业有限责任公司 | Surrounding column mining method for high and large point column of underground mine |
| CN113847029B (en) * | 2021-09-09 | 2023-12-08 | 江西省修水香炉山钨业有限责任公司 | Surrounding column extraction method for underground mine high and large point column |
| CN114060082A (en) * | 2021-11-08 | 2022-02-18 | 中南大学 | Method for constructing artificial ore pillar by using reinforcement filling body |
| CN114592868A (en) * | 2022-03-09 | 2022-06-07 | 长沙矿山研究院有限责任公司 | Ore mining structure and method under extremely-broken ore body condition |
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