CN113833471B - Method for reforming skip well into basic construction mixing well - Google Patents
Method for reforming skip well into basic construction mixing well Download PDFInfo
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- CN113833471B CN113833471B CN202111038403.1A CN202111038403A CN113833471B CN 113833471 B CN113833471 B CN 113833471B CN 202111038403 A CN202111038403 A CN 202111038403A CN 113833471 B CN113833471 B CN 113833471B
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- 238000010276 construction Methods 0.000 title claims abstract description 85
- 238000002156 mixing Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000002407 reforming Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 18
- 230000002787 reinforcement Effects 0.000 claims abstract description 10
- 230000009466 transformation Effects 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 238000009420 retrofitting Methods 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 239000004035 construction material Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000009411 base construction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 15
- 238000005065 mining Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 241001023788 Cyttus traversi Species 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004141 dimensional analysis Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D8/00—Shafts not provided for in groups E21D1/00 - E21D7/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention provides a method for reforming a skip well into a basic construction mixing well, which comprises the following steps: calculating the stress position of a tower building of the skip shaft to be modified, and setting an operation platform at the corresponding height of the tower building according to the calculated stress position; carrying out structural reinforcement treatment on the well tower at the stress position to obtain a reinforced well tower; changing a lifting device of a skip well to be modified into a lifting device of a mixing well, setting the stress position of the lifting device of the mixing well on a stress operation platform of a reinforced well tower, and installing a personnel transportation device and a material transportation device at the lower end of the lifting device of the mixing well to obtain a first modified well; and carrying out the internal construction of the basic building hybrid well on the internal structure of the first transformation well according to the internal structure drawing of the preset basic building hybrid well to obtain the basic building hybrid well. The invention can solve the problems of long construction period, high construction cost and the like of the existing development method of the non-basic-construction hybrid well.
Description
Technical Field
The invention relates to the technical field of mining equipment, in particular to a method for reforming a skip well into a basic building hybrid well.
Background
The current method for developing deep mine roadway in China mainly comprises the following steps: the new shaft or blind shaft near kilometers or more is adopted, then the shaft or blind shaft is subjected to a gallery construction scheme, and in the construction process, the shaft is firstly constructed, and then the gallery is constructed.
When a deep vertical shaft is constructed from the ground, the construction period needs one to two years, even three years, and lifting systems such as a derrick, a lifting machine, a stabilizing car and the like are required to be arranged; if the blind shaft extension method is adopted, construction measures are needed for cave and transportation of various equipment facilities of the blind shaft, secondary transportation of equipment materials is needed, then digging and building of the blind shaft are needed, and finally, construction of a gallery can be carried out; both the two modes have the defects of long construction period and high construction cost.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a method for transforming a skip well into a basic construction hybrid well, so as to solve the problems of long construction period, high construction cost and the like in the existing development method of the basic construction hybrid well.
The invention provides a method for reforming a skip well into a basic construction mixing well, which comprises the following steps:
calculating the stress position of an original tower of a skip well to be modified according to the preset bottom depth of a basic building mixing well and the material transportation weight, and setting a force application operation platform at the corresponding height of the tower according to the calculated stress position to obtain the tower with a stress position reset;
carrying out structural reinforcement treatment on the well tower at the stress resetting position to obtain a reinforced well tower;
replacing the lifting device of the skip well to be modified with a lifting device of a mixing well, arranging the stress end of the lifting device of the mixing well on a stress operation platform of the reinforced well tower, and installing a personnel transportation device and a material transportation device at the lower end of the lifting device of the mixing well to obtain a first modified well;
and carrying out the internal construction of the basic building mixing well on the internal structure of the first transformation well according to the internal structure drawing of the preset basic building mixing well to obtain the basic building mixing well.
In addition, preferably, the step of performing structural reinforcement treatment on the tower at the stress resetting position to obtain a reinforced tower includes:
according to the stress position of the well tower with the stress position reset and the material transportation weight, arranging vertical support columns between the girders of each layer of the well tower to obtain a first reinforced well tower;
and arranging truss structures between adjacent support columns on the same layer of the first reinforced well tower to obtain the reinforced well tower.
In addition, the preferable scheme is that the vertical support column is a seamless steel pipe column.
In addition, the lifting device of the mixing well preferably comprises a top wheel platform of a single rope winding type double-drum lifting machine arranged on the stressed operation platform.
Furthermore, preferably, the personnel transportation device is a construction cage; and/or the material conveying device is a bottom-unloading skip.
In addition, preferably, the performing the internal construction of the foundation mixing well on the internal structure of the first transformation well according to the internal structure drawing of the preset foundation mixing well, and obtaining the foundation mixing well includes:
according to the internal structure drawing of the preset basic building hybrid well, respectively transporting the constructors and the construction materials to the to-be-constructed horizontal position in the first reconstruction well through a personnel transporting device and a material transporting device, and obtaining a second reconstruction well after reconstructing the horizontal structure in the first reconstruction well;
performing extension construction on the bottom of the second transformation well according to the internal structure drawing of the preset basic building hybrid well to obtain an extension well section;
and carrying out horizontal structure construction treatment on the extended well section to obtain the basic building hybrid well.
In addition, preferably, the performing a horizontal construction treatment on the extended well section to obtain a basic-construction hybrid well includes:
carrying out horizontal horsehead roadway and ballast discharging pit construction on the extended well section through a sinking system to obtain an extended well section to be horizontally constructed;
installing horizontal construction equipment on the extended well section to be horizontally constructed;
and carrying out horizontal construction on the extended well section to be horizontally constructed through the horizontal construction equipment to obtain a basic building hybrid well.
Furthermore, it is preferable that the horizontal construction equipment includes a loading system, a platform beam, a cradle, a rail, and a pit submersible pump.
According to the technical scheme, the method for reforming the skip well into the basic construction hybrid well is characterized in that the inner structure of the skip well is reformed by the well tower, the lifting device and the inner structure drawing of the basic construction hybrid well on the basis of the original skip well of the mine, so that the basic construction hybrid well is formed, the problem of digging and building construction by the well tower originally used for mining production is solved, the bottleneck of a transportation channel in the existing construction production process is greatly relieved, an efficient solution is provided for solving the production technical problem, production and construction are separated, the interaction with mining production is reduced, the basic construction progress is guaranteed, the construction period is shortened, and the engineering cost is reduced.
To the accomplishment of the foregoing and related ends, one or more aspects of the invention comprise the features hereinafter fully described. The following description and the annexed drawings set forth in detail certain illustrative aspects of the invention. These aspects are indicative, however, of but a few of the various ways in which the principles of the invention may be employed. Furthermore, the invention is intended to include all such aspects and their equivalents.
Drawings
Other objects and attainments together with a more complete understanding of the invention will become apparent and appreciated by referring to the following description taken in conjunction with the accompanying drawings. In the drawings:
FIG. 1 is a flow chart of a method of retrofitting a skip well to a base mix well in accordance with an embodiment of the present invention.
The same reference numerals will be used throughout the drawings to refer to similar or corresponding features or functions.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details.
Aiming at the problems of long construction period, high engineering cost and the like in the existing development method of the basic construction hybrid well, the method for reforming the skip well into the basic construction hybrid well is provided.
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In order to illustrate the method for reforming a skip well into a basic construction mixing well provided by the invention, fig. 1 shows a flow of a method for reforming a skip well into a basic construction mixing well according to an embodiment of the invention.
As shown in fig. 1, the method for reforming the skip well into the basic construction mixing well provided by the invention comprises the following steps:
s1, calculating the stress position of an original tower of a skip well to be modified according to the preset bottom depth of a basic building mixing well and the material transportation weight, and setting a stress operation platform at the corresponding height of the tower according to the calculated stress position to obtain the tower with the stress position reset;
s2, carrying out structural reinforcement treatment on the well tower to be subjected to the stress position to obtain a reinforced well tower;
s3, replacing a lifting device of the skip well to be modified with a lifting device of the mixing well, arranging a stress end of the lifting device of the mixing well on a stress operation platform of a reinforced well tower, and installing a personnel transportation device and a material transportation device at the lower end of the lifting device of the mixing well to obtain a first modified well;
s4, carrying out internal construction of the foundation mixing well on the internal structure of the first reconstruction well according to the internal structure drawing of the preset foundation mixing well to obtain the foundation mixing well.
Through on the basis of the original skip well of mine, to the well tower of skip well, hoisting device and according to predetermineeing the internal structure drawing of foundation mix well to the internal structure of skip well reform transform, form the foundation mix well, on the one hand solved the difficult problem that utilizes the well tower originally used for mining production to dig the construction of laying bricks or stones, on the other hand also greatly alleviated the bottleneck of the transportation passageway that faces in the present construction production process, provided efficient solution for solving production technical problem, production and construction are separated, reduce and mine production interact to the foundation construction progress has been guaranteed, construction period is shortened, engineering cost is reduced.
As a preferred scheme of the invention, the method for carrying out structural reinforcement treatment on the well tower at the heavy stress position to obtain the reinforced well tower comprises the following steps:
according to the stress position of the well tower with the stress position reset and the material transportation weight, arranging vertical support columns between the girders of each layer of the well tower to obtain a first reinforced well tower;
and arranging truss structures between adjacent support columns on the same layer of the first reinforced well tower to obtain the reinforced well tower.
Specifically, the original tower of the mine is generally built for many years when reaching deep topology, and in order to ensure the stability of the whole structure and the additional load added in the subsequent transformation process, the structure detection, reinforcement and calculation design is required to be carried out on the tower.
In the detection, equipment and instruments such as a nonmetal ultrasonic detector, a concrete rebound instrument, a steel bar scanner, a steel tape, a concrete grinding machine, a vernier caliper, an electric hammer impact drill, a phenolphthalein reagent, a camera and the like are adopted to observe and detect the sizes of components, the carbonization depth of beams and columns, the defects of structures (components), cracks, the compression strength of the beams and columns, main reinforcements of the concrete components and the configuration of stirrups respectively, so that the overall structural performance of a well tower is comprehensively evaluated once, and the current situation of the structure is determined.
After the current state of the structure is determined, the load of the well tower in the using process of different stages is loaded into the well tower structure through a mathematical model. The tower building of the skip well is a shear wall structure, and the structure used at this time consists of a crown block platform beam and a cage guide beam, and is complex in structure, so that the strength, the rigidity and the stability of the tower building are analyzed by adopting a numerical calculation analysis method.
The analysis can adopt YJK building structure design software. Modeling, load arrangement, internal force analysis and section optimization of the related rods and beams are carried out by establishing a structural model of the well tower, and finally a three-dimensional analysis model is formed to obtain a final analysis conclusion.
And reinforcing the structure which cannot meet the requirement of the rope breaking load under the use condition.
As a preferred aspect of the present invention, the vertical support column is a seamless steel pipe column. The seamless steel pipe column is firmer. The reinforcement of the well tower is calculated, four seamless steel pipe columns with large diameters can be arranged at the lower parts of the corresponding horizontal girders, vertical loads born by the upper girders are downwards transferred to the two girders below through the steel pipe columns correspondingly arranged at the upper and lower layers, and the girders of the three layers are utilized to jointly resist the upper loads.
As a preferred aspect of the present invention, the lifting device for a hybrid well includes a crown block platform of a single rope winding type double drum hoist disposed on a force-receiving operation platform. The original shaft lifting system of the general skip shaft is formed by lifting a skip and a counterweight by a tower type multi-rope friction type lifter, and the system is not suitable for underground development construction, so that the system needs to be modified. Installing a single rope winding type double-drum winch as main lifting equipment during operation; mounting a stabilizing car as a suspension device; and installing a shaft construction cage and a bottom-dump skip and various supporting facilities. Removing the existing skip counter weight and the head and tail ropes; installing an underground tensioning platform, a wedge-shaped cage guide of an upper skip of a well, unloading a curved rail, a wellhead sealing disc, a wellhead cradle and laying the rails.
As a preferable mode of the invention, the personnel transportation device is a construction cage; and/or the material conveying device is a bottom-unloading skip. The construction cage is used for transporting constructors to a construction position in the well, and the bottom-dump skip is used for transporting construction materials.
As a preferred embodiment of the present invention, performing internal construction of a construction hybrid well on an internal structure of a first modified well according to a preset internal structure drawing of the construction hybrid well, to obtain the construction hybrid well includes:
according to the internal structure drawing of the preset basic building hybrid well, respectively transporting constructors and construction materials to the to-be-constructed horizontal position in the first reconstruction well through a personnel transporting device and a material transporting device, and after the horizontal structure in the first reconstruction well is reconstructed, obtaining a second reconstruction well;
according to the internal structure drawing of the preset basic building hybrid well, performing extension construction on the bottom of the second transformation well to obtain an extension well section;
and carrying out horizontal structure construction treatment on the extended well section to obtain the basic building hybrid well.
Specifically, a horse head gate and a stone gate roadway are added to an existing skip well in the pit, rails are paved, and the existing roadway is brushed to serve as a sand and stone stock ground; the horizontal measure ballast discharging roadway planned to be developed is communicated with the main drop shaft of the existing skip shaft. After adopting the measure tunnel, personnel and materials directly go down to the level of planning development from the earth surface. The ballast is discharged to the main drop shaft of the existing skip shaft to the finished product ore bin, the finished product ore bin is discharged to the skip shaft through the original ore drawing system, a temporary skip is filled, the ground surface is discharged to the tower ore bin of the skip shaft, and the ballast is discharged through the existing ground surface belt ballast discharging system.
As a preferred aspect of the present invention, performing a horizontal construction process on an extended well section to obtain a capital construction hybrid well includes:
carrying out horizontal horsedoor roadway and ballast discharging pit construction on the extended well section through a sinking system to obtain the extended well section to be horizontally constructed;
installing horizontal construction equipment on an extended well section to be horizontally constructed;
and carrying out horizontal construction on the extended well section to be horizontally constructed through horizontal construction equipment to obtain a basic building hybrid well.
Specifically, if development of the lower level is continued, the skip well needs to be deepened to the lower level, and the skip well deepening operation of the second stage is started. The well tower lifting system is modified to lift a bucket, then the original bottom structure is removed, a hanging scaffold is assembled, a gangue turning platform and a gangue turning chute are installed, a wind and water pipeline is installed and communicated with the original pipeline of a shaft, and the shaft is extended.
After the shaft is deepened, the following horizontal construction transformation is started. Firstly, constructing the horizontal horsedoor roadway and the ballast discharging pit by using a well sinking system, then installing a loading system, a bottom-hole tensioning platform and other platform beams, paving a cradle and a track, installing a well pit submersible pump, and dismantling the bottom of a hanging scaffold; then restoring the tower crane platform; finally, the winch changes the rope, and the cage skip is hung again to start the construction of the horizontal engineering.
As a preferred aspect of the present invention, the horizontal construction equipment includes a loading system, a platform beam, a cradle, a rail, and a pit submersible pump.
Through on the basis of the original skip well of mine, to the well tower of skip well, hoisting device and according to predetermineeing the internal structure drawing of foundation mix well to the internal structure of skip well reform transform, form the foundation mix well, on the one hand solved the difficult problem that utilizes the well tower originally used for mining production to dig the construction of laying bricks or stones, on the other hand also greatly alleviated the bottleneck of the transportation passageway that faces in the present construction production process, provided efficient solution for solving production technical problem, production and construction are separated, reduce and mine production interact to the foundation construction progress has been guaranteed, construction period is shortened, engineering cost is reduced.
The method of retrofitting a skip well according to the invention to a base-built hybrid well is described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications may be made to the method of retrofitting a skip well as set forth in the present invention to a base mix well without departing from the teachings of the present invention. Accordingly, the scope of the invention should be determined from the following claims.
Claims (7)
1. A method for reforming a skip well into a basic construction mixing well, comprising the steps of:
calculating the stress position of an original tower of a skip well to be modified according to the preset bottom depth of a basic building mixing well and the material transportation weight, and setting a stress operation platform at the corresponding height of the tower according to the calculated stress position to obtain the tower with a stress position reset;
carrying out structural reinforcement treatment on the well tower at the stress resetting position to obtain a reinforced well tower;
replacing the lifting device of the skip well to be modified with a lifting device of a mixing well, arranging the stress end of the lifting device of the mixing well on a stress operation platform of the reinforced well tower, and installing a personnel transportation device and a material transportation device at the lower end of the lifting device of the mixing well to obtain a first modified well;
according to an internal structure drawing of a preset basic building hybrid well, respectively transporting constructors and construction materials to a horizontal position to be constructed in the first reconstruction well through a personnel transporting device and a material transporting device, and obtaining a second reconstruction well after reconstructing the horizontal structure in the first reconstruction well;
performing extension construction on the bottom of the second transformation well according to the internal structure drawing of the preset basic building hybrid well to obtain an extension well section;
and carrying out horizontal structure construction treatment on the extended well section to obtain the basic building hybrid well.
2. The method of reforming a skip well into a base construction hybrid well according to claim 1, wherein the performing structural reinforcement treatment on the tower at the stress resetting position to obtain a reinforced tower comprises:
according to the stress position of the well tower with the stress position reset and the material transportation weight, arranging vertical support columns between the girders of each layer of the well tower to obtain a first reinforced well tower;
and arranging truss structures between adjacent support columns on the same layer of the first reinforced well tower to obtain the reinforced well tower.
3. The method of retrofitting a skip shaft to a capital mix well of claim 2,
the vertical support column is a seamless steel pipe column.
4. The method of retrofitting a skip shaft to a capital mix well of claim 1,
the lifting device of the mixing well comprises a head sheave platform of a single rope winding type double-drum lifting machine arranged on the stress operation platform.
5. The method of retrofitting a skip shaft to a capital mix well of claim 1,
the personnel transportation device is a construction cage; and/or the number of the groups of groups,
the material conveying device is a bottom-unloading skip.
6. The method of retrofitting a skip well to a capital mix well of claim 1, wherein said performing a horizontal construction process on said extended reach to create a capital mix well comprises:
carrying out horizontal horsehead roadway and ballast discharging pit construction on the extended well section through a sinking system to obtain an extended well section to be horizontally constructed;
installing horizontal construction equipment on the extended well section to be horizontally constructed;
and carrying out horizontal construction on the extended well section to be horizontally constructed through the horizontal construction equipment to obtain a basic building hybrid well.
7. The method of retrofitting a skip shaft to a capital mix well of claim 6,
the horizontal construction equipment comprises a loading system, a platform beam, a cradle, a track and a well submersible pump.
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SU1301974A1 (en) * | 1985-05-07 | 1987-04-07 | Всесоюзный Научно-Исследовательский Институт Горной Механики Им.М.М.Федорова | Method of reconstructing rigid reinforcement of vertical mine shaft |
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2021
- 2021-09-06 CN CN202111038403.1A patent/CN113833471B/en active Active
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SU1301974A1 (en) * | 1985-05-07 | 1987-04-07 | Всесоюзный Научно-Исследовательский Институт Горной Механики Им.М.М.Федорова | Method of reconstructing rigid reinforcement of vertical mine shaft |
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