CN108915693B - Construction method for stepped pipeline well on inclined ore body - Google Patents
Construction method for stepped pipeline well on inclined ore body Download PDFInfo
- Publication number
- CN108915693B CN108915693B CN201810660422.XA CN201810660422A CN108915693B CN 108915693 B CN108915693 B CN 108915693B CN 201810660422 A CN201810660422 A CN 201810660422A CN 108915693 B CN108915693 B CN 108915693B
- Authority
- CN
- China
- Prior art keywords
- chamber
- ore body
- boring machine
- ground
- well
- 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.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 30
- 238000005553 drilling Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000005065 mining Methods 0.000 claims abstract description 16
- 239000011148 porous material Substances 0.000 claims abstract description 13
- 239000011435 rock Substances 0.000 claims abstract description 10
- 238000009412 basement excavation Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 11
- 230000005641 tunneling Effects 0.000 claims description 10
- 239000003550 marker Substances 0.000 claims description 3
- 238000005422 blasting Methods 0.000 abstract description 7
- 239000002360 explosive Substances 0.000 abstract description 5
- 238000011112 process operation Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/14—Layout of tunnels or galleries; Constructional features of tunnels or galleries, not otherwise provided for, e.g. portals, day-light attenuation at tunnel openings
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a construction method for a stepped pipeline well on an inclined ore body, which comprises the steps of digging N parallel mining roadways with different relative ground heights on the ore body, excavating a chamber in the mining roadways, excavating an interconnecting roadway by taking the side wall of the chamber as a starting point, and drilling and expanding an interconnecting pore passage by using a raise boring machine by taking the ground of the chamber as the starting point. By adopting the technical scheme of the invention, the stepped pipeline well is dug on the ore body, the communicating pore canal is drilled by using the raise boring machine, the communicating drift is tunneled by using the trackless rock drilling trolley, the work of filling explosive, blasting and the like on the ore body is not needed, the construction process is simplified, the damage to the internal stress balance of the ore body is avoided, the pollution to the environment is also avoided, the construction operation time of the pipeline well is reduced, the raise boring machine is arranged in the specially arranged chamber, the operation personnel does not need to go deep into the underground working face for construction operation, the construction operation safety is improved, and the construction efficiency of the pipeline well is improved.
Description
Technical Field
The invention belongs to the technical field of mine construction, and particularly relates to a construction method of a stepped pipeline well for an inclined ore body.
Background
In the mining construction operation, the mine pipeline well is generally a tunnel for installing mechanical equipment or mining tools such as required compressed air pipes, drain pipes, power supply cables, communication lines and the like, the cross section of the pipeline well is generally small, the conventional diameter is about 3 m × 3.2 m, in the prior art, a common rock drilling method is mostly adopted in the rock stratum mine construction engineering, when the method is used, related workers need to enter a narrow excavation working face with the depth of hundreds of meters for excavation, the excavation needs to use tools such as drilling machines and tools, the complex construction process of multiple processes such as hole drilling, explosive filling, working face blasting and the like is needed, excavated rocks need to be lifted to the ground through tools such as a bucket and the like, the pipelines are laid after the operations such as drainage, support and the like are carried out on the working face, the mechanization level is low, the labor input is large, the working environment is hard, the safety condition is poor, the efficiency is high, meanwhile, the blasting has large disturbance on the integrity, the change of the original stress is large, the supporting is difficult, and the personal safety of operators is endangered, especially for the construction of a pipeline well of a mine with an inclined slope surface, the construction operation is usually carried out along the longitudinal direction of an ore body parallel to the inclined slope surface, only an electric or pneumatic handheld rock drilling and drilling machine is used, the explosive blasting operation is needed, the personal safety of the operators is seriously endangered, and meanwhile, in the construction operation process, harmful gases such as carbon monoxide and the like generated by the blasting are discharged into the air, so that the environmental pollution is large; for example, patent document No. CN103850684A discloses a shaft sinking process for enlarging the shaft of a raise boring machine, which includes the following steps: (a) drilling a pilot well by using a raise boring machine; (b) drilling by using a vertical shaft tunneling machine to enable the shaft guide brush to be large to a vertical shaft with a required diameter; (c) hanging a net and spraying concrete on the wall of a vertical shaft well to form a temporary supporting wall of the well; (d) after a shaft heading machine brush is used for digging a lower roadway in a large scale, gradually removing shaft heading machine components from top to bottom; by adopting the technical scheme of the invention, a shaft with larger diameter is drilled by using the raise boring machine and the shaft boring machine, but the diameter of the pipeline shaft is smaller.
Disclosure of Invention
In order to solve the technical problem, the invention provides a construction method for a stepped pipeline well on an inclined ore body.
The invention provides a construction method of a stepped pipeline well on an inclined ore body, which comprises the following steps:
the method comprises the following steps: the method comprises the following steps that an ore body at a certain position on the ground is provided with at least one slope side face, a marker post is vertically arranged on the ground outside the ore body, the ore body is excavated and tunneled along the direction vertical to the slope side face, N parallel excavating well lanes are excavated on the ore body, and the heights of any two excavating well lanes relative to the ground are different;
step two: respectively digging chambers in the mining well roadways by using a full-hydraulic trackless rock drilling trolley, and enabling the vertical distances of the chambers relative to the benchmarks in the step one to be equal;
step three: in the second step, the chamber side wall is taken as a starting point, excavation and tunneling are carried out in the ore body, the tunneling direction and the chamber side wall are intersected to form the same inclination angle, and a plurality of parallel connection drifts are excavated in the ore body;
step four: according to the sequence that the height of the mining roadway relative to the ground is from small to large in the first step, a second mining roadway is taken as a starting point, a raise boring machine is sequentially installed in a corresponding chamber in the mining roadway, a drilling bit is installed on the raise boring machine, the chamber ground is drilled in the vertical downward direction through the raise boring machine until the drilling bit is communicated with the communication roadway, the drilling bit on the raise boring machine is replaced into a drilling bit, the chamber ground is drilled in the vertical upward direction through the raise boring machine, and N-1 communication pore channels are drilled between the chamber ground and the communication roadway.
In the first step, the specifications of the cross section of the excavation roadway are as follows: width × height is 4 × 4.5 m.
And in the step one, the height difference of any two adjacent mining roadways in the vertical direction ranges from 40m to 60 m.
The chamber specification in the step two is as follows: length × width × height is 6m × 6m × 6 m.
And in the third step, the tunneling direction of the connecting roadway is vertical to the chamber side wall.
The cross section specification of the connecting roadway in the third step is as follows: width × height is 4 × 4.5 m.
The drill bit specification in step four is phi 100 mm.
And in the fourth step, the specification of the reaming bit is phi 800mm to phi 2500 mm.
The invention has the beneficial effects that: by adopting the technical scheme provided by the invention, the trackless drilling jumbo is matched with the raise boring machine to drill the pipeline well, the pipeline well is not parallel to the side surface of the slope of the ore body any more, but consists of the vertical pore channel and the plurality of horizontal pore channels, the raise boring machine completes the process operations of drilling, reaming and the like on the vertical pore channels, the trackless drilling jumbo completes the drilling work on the horizontal pore channels, the work of filling explosives, blasting and the like on the ore body is not needed, the construction process is simplified, the damage to the internal stress balance of the ore body is avoided, the pollution to the environment is also avoided, the construction operation time of the pipeline well is reduced, the raise boring machine is installed in a specially arranged underground chamber, and an operator does not need to go deep into the underground working surface for construction operation any more, so that the construction operation safety is improved, and the construction efficiency of the pipeline well is improved.
Drawings
FIG. 1 is a flow chart of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
In the figure: 1-ore body, 2-chamber, 3-connecting gallery, 4-connecting channel and 101-slope side face.
Detailed Description
The technical solution of the present invention is further explained with reference to the accompanying drawings, but the claimed protection scope is not limited thereto;
the invention provides a construction method for a stepped pipeline well on an inclined ore body, which comprises the following steps as shown in figures 1 and 2:
the method comprises the following steps: the method comprises the following steps that an ore body 1 at a certain position on the ground is provided with at least one slope side surface 101, a marker post is vertically arranged on the ground outside the ore body 1, excavating and tunneling are carried out in the ore body 1 along the direction vertical to the slope side surface 101, N parallel excavating well lanes are excavated on the ore body 1, and the heights of any two excavating well lanes relative to the ground are different; further, the specifications of the cross section of the excavation roadway are as follows: width × height is 4 × 4.5 m. The height difference of any two adjacent mining roadways in the vertical direction ranges from 40m to 60 m.
Step two: respectively digging out the chamber 2 in each mining well lane by using a full-hydraulic trackless drilling trolley, and enabling the vertical distances between the chamber 2 and the benchmarks in the step one to be equal; further, the specification of the chamber 2 is as follows: length × width × height is 6m × 6m × 6 m.
Step three: in the second step, the side wall of the chamber 2 is taken as a starting point in the chamber 2, excavation and tunneling are carried out in the ore body 1, the excavation direction and the side wall of the chamber 2 intersect to form the same inclination angle, and a plurality of parallel connection drifts 3 are excavated in the ore body 1; further, the tunneling direction of the communication drift 3 is perpendicular to the side wall of the chamber 2. The cross section specification of the connecting gallery 3 is as follows: width × height is 4 × 4.5 m.
Step four: according to the sequence that the height of the first mining roadway relative to the ground is from small to large, a second mining roadway is taken as a starting point, a raise boring machine is sequentially arranged in a corresponding chamber 2 in the mining roadway, a drilling bit is arranged on the raise boring machine, the drilling is carried out on the chamber 2 ground along the vertical downward direction through the raise boring machine until the drilling is communicated with a communication roadway 3, the drilling bit on the raise boring machine is replaced into a drilling bit, the drilling bit is expanded to the chamber 2 ground along the vertical upward direction through the raise boring machine, and N-1 communication pore channels 4 are drilled between the chamber 2 ground and the communication roadway 3. Further, the drill bit specification is φ 100 mm. The specification of the expanding drill bit is phi 800mm to phi 2500 mm.
The working principle of the raise boring machine is that a hydraulic motor is driven by a motor of the boring machine, the hydraulic motor drives a water faucet, torque is transmitted to a drilling tool system by using hydraulic power, a drill rod and a drill bit are driven to rotate, and a hob on a guide hole drill bit or a reamer bit rolls or slightly slides along a rock working surface at the bottom of a well under the action of drilling pressure. Meanwhile, axial pulling and pressure generated by the oil cylinder of the main engine also act on the pilot hole drill bit or the reaming drill bit through the power head and the drill rod, so that a hob of the pilot hole drill bit rolls under the action of drilling pressure to generate impact load, and hob teeth generate impact, extrusion and shearing actions on rocks to crush the rocks;
by adopting the technical scheme provided by the invention, the trackless drilling jumbo is matched with the raise boring machine to drill the pipeline well, the pipeline well is not parallel to the side surface of the slope of the ore body any more, but consists of the vertical pore channel and the plurality of horizontal pore channels, the raise boring machine completes the process operations of drilling, reaming and the like on the vertical pore channels, the trackless drilling jumbo completes the drilling work on the horizontal pore channels, the work of filling explosives, blasting and the like on the ore body is not needed, the construction process is simplified, the damage to the internal stress balance of the ore body is avoided, the pollution to the environment is also avoided, the construction operation time of the pipeline well is reduced, the raise boring machine is installed in a specially arranged underground chamber, and an operator does not need to go deep into the underground working surface for construction operation any more, so that the construction operation safety is improved, and the construction efficiency of the pipeline well is improved.
Claims (7)
1. A construction method for a stepped pipeline well on an inclined ore body is characterized in that: the method comprises the following steps:
the method comprises the following steps: an ore body (1) at a certain position on the ground is provided with at least one slope side surface (101), a marker post is vertically arranged on the ground at the outer side of the ore body (1), excavating and tunneling are carried out in the ore body (1) along the direction vertical to the slope side surface (101), N parallel excavating well lanes are excavated on the ore body (1), wherein the heights of any two excavating well lanes relative to the ground are different;
step two: respectively digging out a chamber (2) in each mining well lane by using a full-hydraulic trackless rock drilling trolley, and enabling the vertical distances between the chamber (2) and the benchmarks in the step one to be equal;
step three: within the chamber (2) in the step two, taking the side wall of the chamber (2) as a starting point, excavating and tunneling into the ore body (1), wherein the excavating direction and the side wall of the chamber (2) are intersected to form the same inclination angle, and a plurality of parallel connection drifts (3) are excavated in the ore body (1); in the third step, the tunneling direction of the connecting drift (3) is vertical to the side wall of the chamber (2);
step four: according to the sequence that the height of the excavation roadway relative to the ground is from small to large in the first step, a second excavation roadway is taken as a starting point, a raise boring machine is sequentially installed in a corresponding chamber (2) in the excavation roadway, a boring bit is installed on the raise boring machine, the chamber (2) is drilled on the ground along the vertical downward direction through the raise boring machine until the raise boring machine is communicated with the communication roadway (3), the boring bit on the raise boring machine is replaced into a reaming bit, the boring bit is reamed to the chamber (2) on the ground along the vertical upward direction through the raise boring machine, and N-1 communication pore passages (4) are chiseled between the chamber (2) on the ground and the communication roadway (3).
2. A method of constructing a stepped pipe well for use in inclined ore bodies according to claim 1, wherein: in the first step, the specifications of the cross section of the excavation roadway are as follows: width × height is 4 × 4.5 m.
3. A method of constructing a stepped pipe well for use in inclined ore bodies according to claim 1, wherein: and in the step one, the height difference of any two adjacent mining roadways in the vertical direction ranges from 40m to 60 m.
4. A method of constructing a stepped pipe well for use in inclined ore bodies according to claim 1, wherein: in the second step, the specification of the chamber (2) is as follows: length × width × height is 6m × 6m × 6 m.
5. A method of constructing a stepped pipe well for use in inclined ore bodies according to claim 1, wherein: in the third step, the cross section specification of the connecting roadway (3) is as follows: width × height is 4 × 4.5 m.
6. A method of constructing a stepped pipe well for use in inclined ore bodies according to claim 1, wherein: the drill bit specification in step four is phi 100 mm.
7. A method of constructing a stepped pipe well for use in inclined ore bodies according to claim 1, wherein: and in the fourth step, the specification of the reaming bit is phi 800mm to phi 2500 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810660422.XA CN108915693B (en) | 2018-06-25 | 2018-06-25 | Construction method for stepped pipeline well on inclined ore body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810660422.XA CN108915693B (en) | 2018-06-25 | 2018-06-25 | Construction method for stepped pipeline well on inclined ore body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108915693A CN108915693A (en) | 2018-11-30 |
| CN108915693B true CN108915693B (en) | 2020-09-01 |
Family
ID=64420755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810660422.XA Active CN108915693B (en) | 2018-06-25 | 2018-06-25 | Construction method for stepped pipeline well on inclined ore body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108915693B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113123792A (en) * | 2019-12-31 | 2021-07-16 | 宝钢集团新疆八一钢铁有限公司 | Improved underground mine short shaft tunneling method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011000687A1 (en) * | 2011-02-14 | 2012-08-16 | Aker Wirth Gmbh | A process for expanding a drill string segment of a drill string of a raise-boring machine and a raise-boring machine |
| RU2495245C1 (en) * | 2012-05-05 | 2013-10-10 | Федеральное государственное бюджетное учреждение науки ИНСТИТУТ ПРОБЛЕМ КОМПЛЕКСНОГО ОСВОЕНИЯ НЕДР РОССИЙСКОЙ АКАДЕМИИ НАУК (ИПКОН РАН) | Method for development of ore deposits |
| CN105697018A (en) * | 2016-02-23 | 2016-06-22 | 中国水利水电第十工程局有限公司 | Shaft excavation construction technology |
| CN105888551B (en) * | 2016-05-13 | 2018-11-06 | 国家电网公司 | Anti- well method is once drilled to long inclined shaft sinking shaft technique |
| CN205638458U (en) * | 2016-05-24 | 2016-10-12 | 河北钢铁集团矿业有限公司 | Accelerate construction structures of broken system construction speed of underground swift current |
| CN107461208B (en) * | 2017-09-22 | 2019-04-19 | 贵州开磷有限责任公司 | A kind of contact pipeline well and construction method on inclined orebody |
| CN107461205A (en) * | 2017-09-25 | 2017-12-12 | 中国华冶科工集团有限公司 | A kind of construction method for expanding brush day drop shaft |
| CN107905837A (en) * | 2017-11-22 | 2018-04-13 | 临沂矿业集团菏泽煤电有限公司 | A kind of underground coal mine bastard coal total system |
-
2018
- 2018-06-25 CN CN201810660422.XA patent/CN108915693B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108915693A (en) | 2018-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103835661B (en) | A kind of local excavation pre support mine shaft rising boring technique | |
| CN105649012A (en) | Construction method for bored pile of subway station enclosure structure of upper-soft lower-hard ground | |
| CN108035730B (en) | Long-distance coal mine roadway pipe jacking tunneling method | |
| Liu et al. | Key technologies of drilling process with raise boring method | |
| CN108343455A (en) | Binary channels underground chamber construction method | |
| CN104947690A (en) | Grooving construction method for embedding underground continuous wall into rock | |
| CN113431575B (en) | Construction method for assisting stone cutting excavation by plunger type rock hydraulic splitter | |
| CN203584301U (en) | Hole guide equipment | |
| CN102135005A (en) | Method for supporting roof of roadway under coal pillar and gob transition section | |
| CN110656947A (en) | Method for tunneling raised section of seabed bedrock | |
| CN114320313B (en) | Air-pushing traction type push bench escaping construction method | |
| CN108915693B (en) | Construction method for stepped pipeline well on inclined ore body | |
| CN106089216B (en) | Rock tunnel broken rock construction method | |
| CN107461208B (en) | A kind of contact pipeline well and construction method on inclined orebody | |
| RU2493367C1 (en) | Method to construct vertical mine by blasting and drilling method with tubing lining and tunnelling complex for method realisation | |
| CN113266283B (en) | Well-guiding type shaft heading machine starting process | |
| CN111425664A (en) | Large-diameter concrete pipeline jacking pipe construction method | |
| CN206071589U (en) | A kind of multifunctional numerical control shaft sinking device | |
| CN114645715A (en) | Interval shield launching and receiving construction method | |
| CN110144903B (en) | Construction method for foundation pit support in air defense cavity | |
| Katuwal et al. | Challenges associated with the construction of vertical and inclined shafts in the Himalayan Region | |
| RU2059815C1 (en) | Method for mining of steeply dipping underground formations | |
| CN112031738A (en) | Construction method of vertical shaft slag sliding well raise boring machine with diameter of 4-6 m | |
| CN112324441A (en) | Construction method for removing underground shield segments by full-slewing drilling machine | |
| RU2770531C1 (en) | Trenchless pipeline laying method and pipe for trenchless pipeline laying |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |