CN112982529A - Efficient and safe tailing pond radiation well digging device and construction process - Google Patents
Efficient and safe tailing pond radiation well digging device and construction process Download PDFInfo
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- CN112982529A CN112982529A CN202110437700.7A CN202110437700A CN112982529A CN 112982529 A CN112982529 A CN 112982529A CN 202110437700 A CN202110437700 A CN 202110437700A CN 112982529 A CN112982529 A CN 112982529A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/16—Machines for digging other holes in the soil
- E02F5/20—Machines for digging other holes in the soil for vertical holes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/121—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the connection between shaft elements, e.g. of rings forming said shaft
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/125—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the lining of the shaft
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/16—Machines for digging other holes in the soil
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a high-efficiency safe tailing pond radiation well digging device and a construction process, at least comprising a digging device and a plurality of rotary digging shovel plates, wherein the digging device comprises a fixed support arranged at the center of a well and a plurality of rotatable digging shovel plates which are positioned below the fixed support and radiate from the center of the well to the periphery of the well, the digging shovel plates are provided with an underground water inlet pipe and a water jetting hole communicated with the underground water inlet pipe, the center of the well is provided with a sand pumping pipe, the fixed support is fixedly provided with a hydraulic motor at the center position, the plurality of digging shovel plates are fixedly arranged on the periphery of an output shaft of the hydraulic motor, the sand pumping pipe is arranged at the center of the output shaft of the hydraulic motor, the underground water inlet pipe extends out of the center of the output shaft of the hydraulic motor and is arranged along the length direction of the digging shovel plates, and the water jetting hole is positioned at; the invention solves the construction risk caused by the need of workers to work in the well in the prior art, and improves the excavation efficiency.
Description
Technical Field
The invention relates to the field of construction of radiation wells, in particular to a high-efficiency and safe drilling device and a construction process for a radiation well of a tailing pond.
Background
In the early stage, mine tailings such as colored mines, black mines, chemical mines and the like are built by using local materials, the initial dam adopts structural forms such as a clay dam, an earth-rock mixed dam and the like, and the water permeability of the initial dam is poor; the later-stage accumulation dam is mostly built by an upstream method and is formed by filling and rolling tailing sand. In the middle and later periods of operation of the tailing pond, because the seepage discharge arrangement arranged in the tailing pond is lack or invalid, or because of the difference between raw ores and production processes, the tailing has fine granularity, large mud content and poor water permeability, and the seepage line of a dam body is raised along with the continuous rising of a storage dam in a pond area. The overhigh saturation line of the tailing pond dam body is the biggest threat of the safety of the tailing pond, and the dam break risk is easy to occur when the peripheral environment is changed greatly, so that the maintenance of the saturation line of the tailing pond in a normal range is the basic condition for ensuring the safety of the tailing pond.
The problems existing in the manual excavation of the cast-in-place reinforced concrete open caisson are as follows: 1. the well digging construction of the radiation well is the operation in the limited space in the well, and the open caisson depth is generally deeper, there are risks such as falling from high altitude, falling from high altitude objects, etc., in the process of the tail sand digging, if the water content of the tail sand is too high, the pressure of the soil water is large, water and sand gushing phenomena may occur, the constructor has the risk of being submerged, so there is a great potential safety hazard in the manual well digging in the well; 2. chemical agents are generally added in the mineral separation process, harmful gas is generated in the process of digging under tailings, general heavy metal in the tailings and leachate exceeds the standard, and constructors directly contact with the harmful gas and liquid in underground operation, so that the human health is seriously affected.
Disclosure of Invention
The invention aims to provide a high-efficiency and safe tailing pond radiation well digging device and a construction process, so that the construction risk caused by the need of workers for downhole operation in the prior art is solved, and the digging efficiency is improved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a high-efficient safe tailing storehouse radiation well device of digging well, is at least including digging the device, its characterized in that, it is including setting up in the fixed bolster at well center, being located the fixed bolster below and from the well center to the rotatable shovel board of digging of a plurality of well circumferencial direction radiation, it is provided with the hole that penetrates that high-pressure water installations and the inlet tube is linked together in the pit to dig the shovel board, the well center is provided with the sand pumping pipe.
Furthermore, the fixed support is fixedly provided with a hydraulic motor at the central position, the digging shovel plates are fixedly arranged on the periphery of an output shaft of the hydraulic motor, the sand pumping pipe is arranged at the shaft center of the output shaft of the hydraulic motor, the underground water inlet pipe extends out of the shaft center of the output shaft of the hydraulic motor and is arranged along the length direction of the digging shovel plates, and the water jetting hole is located at the end head of the digging shovel plates.
Furthermore, the water injection holes are provided with a plurality of water injection holes which are separately arranged along the direction of the underground excavating shovel plate.
Furthermore, still include driving system, driving system includes hydraulic pump, sand pump, water pump, the hydraulic pump passes through the hydraulic oil among the hydraulic pressure oil pipe and is connected with the hydraulic motor transmission, the import of sand pump and the export fixed connection of taking out the sand pipe, fixedly connected with sand outlet pipe on the export of sand pump, water pump fixed connection is on the inlet tube.
Furthermore, the bottom of the sand pumping pipe is fixedly connected to the center of an output shaft of the hydraulic motor, and the bottom end of the sand pumping pipe is communicated with the inside of the radiation well.
Further, the power system is fixedly connected to the ground.
Further, the fixed bolster includes support ring and a plurality of bracing piece, bracing piece one end fixed connection is on hydraulic motor's shell, the other end fixed connection of bracing piece is on the inner wall of support ring, the outer wall and the wall of a well looks butt of support ring.
Furthermore, a reserved interface is arranged in the first section of well wall, and the outer wall of the support ring is fixedly connected to the inner wall of the well ring and fixed with the reserved interface through bolts.
A construction process of a high-efficiency safe tailing pond radiation well digging device comprises the following steps:
s1: treating and reinforcing the foundation of a construction area, and leveling the ground;
s2: installing and debugging a lifting system; fixing a lifting and hoisting system in a construction area at the periphery of the radiation well subjected to foundation treatment and reinforcement;
s3: measuring and positioning; measuring the position of a radiation well, and installing a first section of radiation well in place; fixing a well digging device on a reserved joint of a well ring of a first section of a radiation well, and fixing the well digging device by bolts;
s4: starting to dig a well, pumping water into the radiation well by a high-pressure water pump, flushing and loosening tailings in the radiation well by high-pressure water through a water injection hole, simultaneously rotating and downward digging by a rotary digging device, fully mixing the tailings with water into a liquid state by rotary digging and stirring, and starting a sand pumping device to discharge the liquefied tailings with the water from a sand pumping pipe;
s5: a first section of radiation well curb is dug downwards along with tailings and then sinks by using self-weight, a well digging device moves downwards along with the first section of radiation well curb, a second section of radiation well curb is installed at the joint of the upper part of the first section of radiation well curb, perpendicularity measurement is carried out, deviation of the well curb is prevented, and deviation is corrected at any time;
and S6, repeating S4-S5 until the excavation depth is reached.
Compared with the prior art, the invention has the beneficial effects that:
the novel controllable well digging device can control the digging speed of the well digging machine, cooperate with the installation and sinking construction of a well ring of a radiation well, after the preparation work is finished, the installation of the well ring and the well digging can be carried out in parallel, the traditional line production is avoided, the well ring operation and the underground well digging must be separately constructed, the underground one process can be carried out after the previous process is finished, the well digging device is matched with the assembly type radiation well construction, the installation is convenient, the operation of the well digging machine is simple, 4-6 sections of construction can be finished every day, compared with the traditional construction method, the working efficiency can be reduced by one section in 3 days, the production efficiency can be effectively improved, the construction period can be shortened, and the mechanical underground construction can be replaced by the manual underground construction, the time of manual underground operation can be reduced, and the risks of falling at high altitude, object striking, submerging, harmful.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present invention.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figure 1 of the drawings,
the utility model provides a high-efficient safe tailing storehouse radiation well device of digging well, is at least including digging the device, dig the device including set up in the fixed bolster 3 at well center, be located fixed bolster 3 below and from the well center to the rotatable shovel board 4 that excavates of a plurality of well circumferencial direction radiation, it is provided with the hole 41 that penetrates that inlet tube 7 and inlet tube 7 are linked together in the pit to excavate shovel board 4, the well center is provided with sand pumping pipe 9.
In this embodiment, the fixed bolster 3 is provided with the hydraulic motor 2 at the fixed central point of putting department, and a plurality of excavates shovel board 4 and fixes and set up on the output shaft periphery of hydraulic motor 2, the axle center department of taking out sand pipe 9 setting at hydraulic motor output 2 axle, the inlet tube 7 stretches out along the length direction setting of excavating shovel board 4 from the axle center department of hydraulic motor 2 output shaft in the pit, penetrate hole 41 and be located the end of excavating shovel board 4.
In this embodiment, the plurality of water injection holes 41 are separately arranged along the length direction of the downhole water inlet pipe 7.
In this embodiment, still include driving system 1, driving system 1 includes hydraulic pump, sand pump, water pump (not drawn in the figure), the hydraulic pump passes through the hydraulic oil in the hydraulic pressure oil pipe 8 and is connected with the transmission of hydraulic motor 2, the import of sand pump and the export fixed connection of taking out sand pipe 9, fixedly connected with sand outlet pipe 10 on the export of sand pump, water pump fixed connection is on inlet tube 7.
In this embodiment, the bottom of the sand pumping pipe 9 is fixedly connected to the center of the output shaft of the hydraulic motor 2, and the bottom end of the sand pumping pipe 9 is communicated with the inside of the radiant well.
In this embodiment, the power system 1 is fixedly connected to the ground 6.
In this embodiment, the fixed bracket 3 includes a support ring 31 and a plurality of support rods 32, one end of each support rod 32 is fixedly connected to the housing of the hydraulic motor 2, the other end of each support rod 32 is fixedly connected to the inner wall of the support ring 31, and the outer wall of the support ring 31 abuts against the well wall 5.
In this embodiment, the borehole wall 5 is provided with a well ring 51 inside, and the outer wall of the support ring 31 is fixedly connected to the inner wall of the well ring 51.
In this embodiment, still be provided with the controller in driving system 1, the controller respectively with hydraulic pump, sand pump, water pump electric connection for control hydraulic pump, sand pump, the work of water pump.
A construction process of a high-efficiency safe tailing pond radiation well digging device comprises the following steps:
s1: treating and reinforcing the foundation of a construction area, and leveling the ground;
s2: installing and debugging a lifting system; fixing a lifting and hoisting system in a construction area at the periphery of the radiation well subjected to foundation treatment and reinforcement;
s3: measuring and positioning; measuring the position of a radiation well, and installing a first section of radiation well in place; fixing a well digging device on a reserved joint of a well ring of a first section of a radiation well, and fixing the well digging device by bolts;
s4: starting to dig a well, pumping water into the radiation well by a high-pressure water pump, flushing and loosening tailings in the radiation well by high-pressure water through a water injection hole, simultaneously rotating and downward digging by a rotary digging device, fully mixing the tailings with water into a liquid state by rotary digging and stirring, and starting a sand pumping device to discharge the liquefied tailings with the water from a sand pumping pipe;
s5: a first section of radiation well curb is dug downwards along with tailings and then sinks by using self-weight, a well digging device moves downwards along with the first section of radiation well curb, a second section of radiation well curb is installed at the joint of the upper part of the first section of radiation well curb, perpendicularity measurement is carried out, deviation of the well curb is prevented, and deviation is corrected at any time;
and S6, repeating S4-S5 until the excavation depth is reached.
The well digging principle of the invention is as follows: the power system drives an excavating shovel plate in the rotary excavating device to excavate downwards, a synchronous high-pressure water pump jets water to the bottom of the well through a water inlet pipeline and a water jet hole, loose tailings are uniformly liquefied through high-pressure water flow and rotary excavating stirring, a sand pump is started, and the tailings with water are pumped out of the sand basin outside the well through a sand outlet pipe; the excavating device is a movable device, the hoisting rotary excavating device is hoisted by hoisting equipment before construction, the hoisting rotary excavating device is fixed on a reserved connector on the wall of a well ring and fixed by bolts, after the excavating device is started, the well ring sinks along with the bottom sand discharge, the water level in the well keeps the water level balance state in the well by controlling the flow of a water pump, the upper prefabricated well ring is installed while the well is excavated and descends along with the sinking well, the well ring sinks to the designed elevation by the self weight, after the design depth of the radiation well is completed, the hoisting equipment is hoisted out of the rotary excavating device, and after the inverted filter layer and the pressure reducing pipe are installed at the bottom of the radiation well, reinforced.
The invention can control the digging speed of the well digging machine, cooperate with the well ring installation and sinking construction of the radiant well, after the preparation work is finished, the well ring installation and the well digging can be constructed in parallel, carry on at the same time, has avoided the traditional line production, the well ring operation must be constructed separately with the well digging in the pit, can be one process in the pit after finishing the last process, the well digging device cooperates with the construction of the assembled radiant well, easy to install, the well digging machine operates simply, can finish 4-6 sections of construction every day, compared with traditional construction method, a section of work efficiency in 3 days, this method can raise the productivity effectively, shorten the construction period, and the invention uses machinery to replace the artificial construction in the pit, can reduce the time of artificial operation in the pit, avoid risks such as falling from high altitude, object striking, submerging, harmful gas, etc.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a high-efficient safe tailing storehouse radiation well device of digging well, its characterized in that is at least including digging the device, its characterized in that, dig the device including set up in the fixed bolster at well center, be located the fixed bolster below and from the well center to the rotatable shovel board of digging of a plurality of well circumferencial direction radiation, it is provided with the hole that penetrates that the inlet tube in the pit is linked together with the inlet tube in the pit to dig the shovel board, the well center is provided with the sand pumping pipe.
2. The efficient and safe radial well digging device for the tailings pond according to claim 1, wherein the fixed support is fixedly provided with a hydraulic motor at a central position, the plurality of digging shovels are fixedly arranged on the periphery of an output shaft of the hydraulic motor, the sand pumping pipe is arranged at the shaft center of the output shaft of the hydraulic motor, the underground water inlet pipe extends out of the shaft center of the output shaft of the hydraulic motor and is arranged along the length direction of the digging shovels, and the water jetting holes are positioned at the ends of the digging shovels.
3. The efficient and safe radial well digging device for the tailings pond according to claim 2, wherein the water injection holes are arranged in a plurality of numbers and are separated along the length direction of the underground water inlet pipe.
4. The efficient and safe drilling device for the radiant wells of the tailing pond according to claim 1, further comprising a power system, wherein the power system comprises a hydraulic pump, a sand pump and a water pump, the hydraulic pump is in transmission connection with a hydraulic motor through hydraulic oil in a hydraulic oil pipe, an inlet of the sand pump is fixedly connected with an outlet of the sand pump, a sand outlet pipe is fixedly connected to an outlet of the sand pump, and the water pump is fixedly connected to a water inlet pipe.
5. The efficient and safe tailing pond radiation well digging device according to claim 1, characterized in that the bottom of the sand pumping pipe is fixedly connected to the center of the output shaft of the hydraulic motor, and the bottom end of the sand pumping pipe is communicated with the inside of the radiation well.
6. The efficient and safe tailing pond radiant well digging device according to claim 1, wherein the power system is fixedly connected to the ground.
7. The efficient and safe radial well digging device for the tailings pond according to claim 1, wherein the fixing support comprises a support ring and a plurality of support rods, one end of each support rod is fixedly connected to the outer shell of the hydraulic motor, the other end of each support rod is fixedly connected to the inner wall of the support ring, and the outer wall of the support ring is abutted against the wall of a well.
8. The efficient and safe radial well digging device for the tailings pond according to claim 7, wherein a well ring is sleeved in the well wall, and the outer wall of the support ring is fixedly connected to the inner wall of the well ring.
9. A construction process of a high-efficiency safe tailing pond radiation well digging device is characterized by comprising the following steps:
s1: treating and reinforcing the foundation of a construction area;
s2: installing and debugging a lifting system; fixing a lifting and hoisting system in a construction area subjected to foundation treatment and reinforcement;
s3: measuring and positioning; measuring the position of a radiation well, and positioning a lifting and hoisting system to the position of the radiation well; firstly, excavating a certain depth, the depth does not exceed the height of a section of radiant well
S4: manufacturing a first section of radiation well and positioning; fixing a well digging device on the first section of the radiation well;
s5: starting to dig a well, and discharging a mixture of soil and water in the well through a sand pumping pipe;
s6: sinking the first section of radiation well, sinking the well digging device along with the first section of radiation well, manufacturing a second section of radiation well, installing the second section of radiation well at the top of the first section of radiation well, and performing measurement and deviation correction;
and S7, repeating S5-S6 until the excavation depth is reached.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110437700.7A CN112982529A (en) | 2021-04-22 | 2021-04-22 | Efficient and safe tailing pond radiation well digging device and construction process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110437700.7A CN112982529A (en) | 2021-04-22 | 2021-04-22 | Efficient and safe tailing pond radiation well digging device and construction process |
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| CN112982529A true CN112982529A (en) | 2021-06-18 |
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| CN202110437700.7A Pending CN112982529A (en) | 2021-04-22 | 2021-04-22 | Efficient and safe tailing pond radiation well digging device and construction process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622445A (en) * | 2021-09-01 | 2021-11-09 | 安徽地矿建设工程有限责任公司 | Controllable differential pressure open caisson method in tailing warehouse |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AU8778782A (en) * | 1981-09-18 | 1983-05-12 | Santa Fe International Corp. | Drilling large diameter mine shaft |
| CN108222944A (en) * | 2018-02-28 | 2018-06-29 | 武汉理工大学 | A kind of improved drop shaft sinking driving shaft construction method |
| CN109469082A (en) * | 2018-11-22 | 2019-03-15 | 国家电网有限公司 | A kind of open caisson construction equipment and construction method |
| CN109487843A (en) * | 2018-12-13 | 2019-03-19 | 中铁工程装备集团有限公司 | A kind of underwater open caisson development machine and its construction method |
| CN109881658A (en) * | 2019-02-15 | 2019-06-14 | 湖南中天青鼎工程科技有限公司 | A kind of radial construction technology for red mud consolidation draining |
| CN211950317U (en) * | 2020-03-26 | 2020-11-17 | 齐齐哈尔璞世科技有限公司 | Open caisson excavation construction mechanism |
| CN214784305U (en) * | 2021-04-22 | 2021-11-19 | 湖南中天青鼎工程科技股份有限公司 | High-efficient safe tailing storehouse radiation well device of digging a well |
-
2021
- 2021-04-22 CN CN202110437700.7A patent/CN112982529A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU8778782A (en) * | 1981-09-18 | 1983-05-12 | Santa Fe International Corp. | Drilling large diameter mine shaft |
| CN108222944A (en) * | 2018-02-28 | 2018-06-29 | 武汉理工大学 | A kind of improved drop shaft sinking driving shaft construction method |
| CN109469082A (en) * | 2018-11-22 | 2019-03-15 | 国家电网有限公司 | A kind of open caisson construction equipment and construction method |
| CN109487843A (en) * | 2018-12-13 | 2019-03-19 | 中铁工程装备集团有限公司 | A kind of underwater open caisson development machine and its construction method |
| CN109881658A (en) * | 2019-02-15 | 2019-06-14 | 湖南中天青鼎工程科技有限公司 | A kind of radial construction technology for red mud consolidation draining |
| CN211950317U (en) * | 2020-03-26 | 2020-11-17 | 齐齐哈尔璞世科技有限公司 | Open caisson excavation construction mechanism |
| CN214784305U (en) * | 2021-04-22 | 2021-11-19 | 湖南中天青鼎工程科技股份有限公司 | High-efficient safe tailing storehouse radiation well device of digging a well |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622445A (en) * | 2021-09-01 | 2021-11-09 | 安徽地矿建设工程有限责任公司 | Controllable differential pressure open caisson method in tailing warehouse |
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