CN110700835A - Shallow underground mining, selecting and charging integrated system for lead-zinc ores - Google Patents
Shallow underground mining, selecting and charging integrated system for lead-zinc ores Download PDFInfo
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- CN110700835A CN110700835A CN201911082674.XA CN201911082674A CN110700835A CN 110700835 A CN110700835 A CN 110700835A CN 201911082674 A CN201911082674 A CN 201911082674A CN 110700835 A CN110700835 A CN 110700835A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/22—Methods of underground mining; Layouts therefor for ores, e.g. mining placers
Abstract
The invention discloses a shallow underground mining, selecting and charging integrated system for lead-zinc ores, which comprises an underground mining lifting and waste rock transferring system, an underground crushing system, an underground concentrating mill system, a filling system and an auxiliary production facility, wherein the underground mining lifting and waste rock transferring system, the underground crushing system, the underground concentrating mill system, the filling system and the auxiliary production facility are all arranged in a shallow stratum; the shallow underground mining, selecting and filling integrated system for the lead-zinc ores adopts a combined development transportation system of a mixing well and a slope way, and an underground mining lifting system, an underground concentrating mill system, a filling system and an auxiliary production facility are connected with the ground through the slope way and are provided with an independent ventilation system and a second safety outlet. The system is only provided with a slope way outlet and a return air shaft mouth which are arranged on the earth surface, earth surface facilities such as a mining and selecting industrial field, a tailing pond and the like do not need to be built in a new occupied surface soil area, the earth surface outlet can be designed by combining with the earth surface landscape of a mining area, and the system has better production convenience, safety and environmental protection, and becomes a new mining development mode.
Description
Technical Field
The invention relates to a lead-zinc ore mining and dressing system, in particular to a shallow underground mining, dressing and charging integrated system for lead-zinc ores.
Background
Lead and zinc as important nonferrous metals play a very important role in the development of economy. With the continuous development and utilization of mineral resources, the development and construction conditions of lead-zinc mines are more severe, and the contradiction between the increasingly growing demand for good life and the development of precious lead-zinc resources in society is more obvious. Therefore, the strategic pace of mining must be advanced to the fields of "deep ground" and "green mines", and the underground mining, selection, and charging integrated system must be used as a new mode of "mining development".
In the countries such as the United states, the former Soviet Union, Peru, Sweden, Canada, Italy and the like as early as the eighties and ninety years of the twentieth century, mine development is subject to the severe surface environment and national defense safety of mines, and crushing and ore grinding facilities of a mine concentrating mill are arranged below the surface of the ground or in a mountain; after the 21 st century, crushing and flotation processes are arranged below the surface of a germany and british fluorite mine to process and produce ores; in recent years, a Gekko equipment manufacturer in south Africa researches and develops Python underground mining and selecting integrated system equipment for mineral separation of precious metal gold ores, and the Python underground mining, selecting, filling and integrating system equipment is small in size and can be arranged in an underground mining roadway, but the mineral separation processing capacity is small.
In conclusion, the underground mining, selecting and charging integrated system mainly aims at meeting the requirement of ore processing, attempts are made on mining, selecting and charging in two aspects, and the requirements of chamber group construction difficulty and investment scale, transportation and maintenance convenience of large mineral separation equipment, safety and environmental protection requirements of operators and the like in infrastructure and production operation of the underground mining, selecting and charging integrated system are not fully considered. The underground mining, selecting and charging integrated system disclosed above is difficult to meet the green development requirement of lead-zinc ores.
The first prior art is as follows:
the traditional underground lead-zinc ore mining, mineral separation, tailing and filling system arranges ore processing facilities, tailing facilities, filling station facilities and auxiliary facilities thereof on the ground surface. The mining system reaches an ore body from the earth surface through a vertical shaft, a slope ramp, an inclined shaft or a adit, and is conveyed to a ground ore dressing system after the procedures of rock drilling, blasting, shovel loading, transportation and the like; the ore dressing system is arranged on the ground surface, ores conveyed by the mining system are processed into concentrate and tailings through the working procedures of crushing, grinding, flotation, thickening, filter pressing and the like, the concentrate is sold for the outside, the tailings are discharged to the tailing system, and part of tailings are used for filling an underground goaf; the filling system is arranged on the ground surface close to the ore dressing system, and the underground goaf is filled through the cement sand bin, the tailing sand bin, the mixing station and the filling material conveying device.
The first prior art has the following defects:
the mining, selecting, tailing and charging are separated in space, and production connection is completed among production systems through large equipment, long-distance pipelines and the like, so that the traditional underground lead-zinc ore mining, selecting, tailing and charging system has the advantages of large occupied area, high land acquisition cost, complex process, long flow, high pollution and high energy consumption. With the increasing demand of people for good life and the higher environmental protection requirement of the country, the traditional mining, selecting, tailing and charging system of underground lead-zinc ore is not suitable for mining development slowly in the area with high environmental protection requirement, especially in the urban mine with high environmental protection requirement and the mine with good natural environment.
The second prior art is:
as in the Chinese patent: CN101775985A, CN101775985B, CN106563553A, CN106563553B, CN205966127U, CN106111303A, CN106111303B, CN206008942U, CN106121715A, CN106121715B, CN205936693U and the like, wherein a main lifting well is arranged, and an underground concentrating mill, an underground filling station and an underground water sump are arranged at the position adjacent to the main lifting well; at least one blind vertical shaft is uniformly arranged on the left side and the right side of the main hoisting shaft, and a main orepass is arranged at the adjacent position of the main hoisting shaft and the blind vertical shaft; a main transportation horizontal roadway is arranged on the footwall side of the top of the ore body, and air shafts are arranged at two ends of the roadway; the underground ore dressing plant comprises a rotary chamber, a conical chamber, a screening chamber, a powder ore chamber, a ball milling chamber, a grading chamber and a product conveying chamber, wherein the chambers are arranged in a stepped manner from top to bottom along the vertical direction of a mining transportation roadway according to the sequence of operation.
The second prior art has the following defects:
the technology relies on deep mineral resource development, an underground mining and separation integrated system is arranged at the deep part of the earth surface and is communicated with the earth surface only through a main lifting well, an underground concentrating mill does not have a separate lifting well or an air shaft which is directly communicated with the earth surface, the underground concentrating mill chamber is difficult to ensure to have two safety outlets, and the safety is poor.
The arrangement of the underground concentrating mill depends on the step arrangement of a roadway of a mining transportation system, the mining and concentrating operations are easy to intersect, and the transportation of personnel and materials, especially the transportation of large concentrating equipment, is difficult.
The underground mining and dressing system shares a ventilation system, the requirement on the ventilation air volume of an underground dressing plant is high, and the management difficulty of the ventilation system is easily caused.
The prior art is three:
python Underground Mining and selecting integrated system equipment (undergarded minor processing-Gekko systems modular Pyrton, undergarded Mining Technology 2017-M Hudyma & Y Potvin (eds)) tries to assemble complete equipment by arranging ore coarse crushing, grinding, screening and gravity selecting or flotation equipment on a movable steel structure foundation in an Underground 5M multiplied by 5M roadway of a part of gold mine in south Africa, completes ore crushing, flotation and other ore dressing operations Underground, and realizes short-distance ore transportation and pipeline transportation of concentrate and tailings.
The third prior art has the following defects:
1. the technology only integrates mineral processing crushing, grinding, gravity separation or flotation equipment, does not integrate concentrate and tailing dense filtering equipment with larger occupied area, does not integrate a filling station and a water treatment facility, and does not calculate a real mining, selection and flotation integrated system;
2. the technical equipment needs equipment installation and mineral separation production in an underground narrow roadway, the maximum production capacity of the existing equipment is 50t/h, and the large-scale production capacity is small.
3. The technology has no filling and water treatment equipment, and the energy consumption of the technical slurry pipeline transportation is large and the water recycling can not be realized.
4. The technology is arranged in an underground roadway without a separate ventilation system, so that a mining ventilation system is difficult.
In conclusion, the traditional ground concentrating mill development mode for the lead-zinc ores occupies too much ground valuable land resources, is not suitable for mines with high environmental protection requirements, and needs to introduce a new mining development mode without occupying ground land. The research and design of the existing underground mining, selecting and filling integrated system stay in the research stage, the requirements of chamber group construction difficulty and investment scale, transportation and maintenance convenience of large mineral processing equipment, safety and convenience of operating personnel, safety and environmental protection requirements and the like in the infrastructure and production operation of the underground mining, selecting and filling integrated system are not fully considered, and the underground mining, selecting and filling integrated system cannot be implemented on the ground. Therefore, a truly integrated system for picking, selecting and filling must be established.
Disclosure of Invention
The invention aims to provide an underground mining, selecting and charging integrated system for a shallow part of lead-zinc ore.
The purpose of the invention is realized by the following technical scheme:
the invention relates to a shallow underground mining, selecting and charging integrated system for lead-zinc ores, which comprises:
the underground mining lifting and waste rock transferring system, the underground crushing system, the underground concentrating mill system, the filling system and the auxiliary production facility are all arranged in the shallow stratum;
the shallow underground mining, selecting and filling integrated system for the lead-zinc ores adopts a hybrid well and slope ramp combined development transportation system, and the underground mining lifting system, the underground concentrating mill system, the filling system and the auxiliary production facility are connected with the ground through the slope ramp and are provided with an independent ventilation system and a second safety outlet;
the shallow underground mining, selecting and charging integrated system for the lead-zinc ores is only provided with a slope way outlet and an air return shaft mouth which are arranged on the earth surface, the earth surface outlet is designed by combining the earth surface landscape of a mining area, and earth surface facilities including a mining and selecting industrial field and a tailing pond are not arranged on earth surface land.
According to the technical scheme provided by the invention, the shallow underground mining, selecting and charging integrated system for the lead-zinc ores, which is provided by the embodiment of the invention, only the slope way outlet and the air return shaft mouth are arranged on the ground, no ground facilities such as mining and selecting industrial fields, tailing ponds and the like need to be built in a new occupied ground surface soil, the ground surface outlet can be designed by combining the ground surface landscape of a mining area, and the system has better production convenience, safety and environmental protection and becomes a new mining development mode.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a shallow underground mining, selecting and charging integrated system for lead-zinc ores provided by an embodiment of the invention.
Fig. 2 is a plan projection view of the shallow underground mining, selecting and charging integrated system for lead-zinc ores provided by the embodiment of the invention.
In the figure:
1. a mixing well, 2, a ramp (underground concentrating mill system), 3, a return air well (underground concentrating mill system), 4, an underground crushing system, 5, an underground concentrating mill system-an ore surge bin, 6, an underground concentrating mill system-a screening fine crushing workshop, 7, an underground concentrating mill system-a grinding workshop, 8, an underground concentrating mill system-a raw ore concentrating workshop, 9, an underground concentrating mill system-a medicament preparation workshop, 10, an underground concentrating mill system-a lead-zinc flotation workshop, 11, an underground concentrating mill system-a zinc tailing concentrating workshop, 12, an underground concentrating mill system-a sulfur manganese separation workshop, 13, an underground concentrating mill system-a concentrate concentrating workshop (one), 14, an underground concentrating mill system-a concentrate filtering workshop (one), 15, an underground concentrating mill system-a concentrate concentrating workshop (two), 16. underground concentrating plant system-concentrate filtering workshop (II), 17, sewage treatment system, 18, filling system (tailing deep cone thickening, cement bin, mixing plant, etc.), 19, underground concentrating plant system-pipeline, 20, waste rock transfer system (narrow rail car factory), 21, comprehensive maintenance workshop, supplies and consumables storehouse, 22 and high-level water bin.
Detailed Description
The embodiments of the present invention will be described in further detail below. Details which are not described in detail in the embodiments of the invention belong to the prior art which is known to the person skilled in the art.
The invention discloses a shallow underground mining, selecting and charging integrated system for lead-zinc ores, which has the preferred specific implementation mode that:
the method comprises the following steps:
the underground mining lifting and waste rock transferring system, the underground crushing system, the underground concentrating mill system, the filling system and the auxiliary production facility are all arranged in the shallow stratum;
the shallow underground mining, selecting and filling integrated system for the lead-zinc ores adopts a hybrid well and slope ramp combined development transportation system, and the underground mining lifting system, the underground concentrating mill system, the filling system and the auxiliary production facility are connected with the ground through the slope ramp and are provided with an independent ventilation system and a second safety outlet;
the shallow underground mining, selecting and charging integrated system for the lead-zinc ores is only provided with a slope way outlet and an air return shaft mouth which are arranged on the earth surface, the earth surface outlet is designed by combining the earth surface landscape of a mining area, and earth surface facilities including a mining and selecting industrial field and a tailing pond are not arranged on earth surface land.
The mining lifting system and the waste rock transfer system are supported by a mixing well, and a mixing well shaft, equipment of the mixing well shaft and a waste rock transfer yard are arranged;
the surface facilities of the mining lifting system comprise a headframe, a wellhead house, a production water pool, a living water pool and ground narrow-gauge vehicle yard facilities which are all buried and connected with the ground through a ramp.
The underground crushing system is arranged in the underground rock stratum near the bottom of the mixing well, and meets the requirements of ore lifting and feeding of an underground concentrating mill system.
The underground concentrating mill system is arranged in a shallow stratum, a crushed ore buffer bin is tightly attached to a mixed well shaft, a middle and fine crushing workshop and a grinding workshop are arranged close to the buffer ore bin, the rest ore dressing workshops are arranged in a centralized and annular mode, and the middle and fine crushing workshop, the grinding classification workshop, the flotation workshop, the concentration workshop, the filtering workshop and a concentrate bin are sequentially arranged.
The filling system, the medicament preparation workshop, the production water tank, the sewage treatment facility, the power distribution room and the comprehensive machine repairing workshop are divided according to the functions of the auxiliary production facility and are arranged in the underground shallow stratum by depending on the underground concentrating mill system.
The shallow underground mining, selecting and charging integrated system for the lead-zinc ore only has the slope way outlet and the air return shaft mouth arranged on the ground surface, does not need to build surface facilities such as mining and selecting industrial fields, tailing ponds and the like in a newly occupied surface soil area, and the surface outlet can be designed by combining the surface landscape of a mining area, so that the system has better production convenience, safety and environmental protection, and becomes a new mining development mode.
The specific embodiment is as follows:
an underground mining, selecting and charging integrated system for a lead-zinc ore shallow part is shown in figures 1 and 2:
underground mining lifting and crushing system
1) The embodiment system adopts a mixed well as an underground mining lifting system, and the coordinate Y of a wellhead is 3558134.24; x is 40399019.72; z is +22m, the elevation of the well bottom is-747 m, the net diameter of the shaft is phi 6.5m, and the thickness of the support is 400mm by adopting a concrete support. A cage and a skip are arranged in the shaft and are used for transporting ores, waste rocks, equipment and materials and entering and exiting personnel. The mixed well ground surface facility is a semi-buried type well tower, and is connected with the ground surface through a slope way in an underground mode in a mine unloading, waste rock and personnel material yard. A ladder room is arranged in the shaft as a safe outlet.
2) The ore primary crushing chamber of the system of the embodiment is arranged in a stratum near the bottom of the mixing well, the feeding granularity is less than or equal to 500mm, the crushing granularity is less than or equal to 200mm, and the ore is initially crushed and then loaded into the mixing well skip to be lifted to an underground concentrating mill system.
Underground concentrating mill system
1) Arranging a slope way of the underground concentrating mill system close to the south of the mixing well and at a distance of about 50m from the mouth of the mixing well; the opening coordinates are as follows: y: 3558197.64, X: 40399143.31, Z: +22m, the average slope of the ramp is about-10%, the cross section is a three-center arch of 5m multiplied by 4.5m, and the car-crossing underground chambers are arranged every 100-150 m. The ramp is a passage for entering and exiting an underground concentrating mill, a filling station, a waste rock transfer system and a comprehensive maintenance workshop, is used for carrying the tasks of personnel, equipment and waste rock transportation, and is used as an air inlet duct.
2) The return air shaft of the underground concentrating mill system is arranged on the east side of the mixing shaft, and the opening coordinates of the return air shaft are as follows: y: 3558189.06, X: 40399226.33, Z: +22 m. Although the air is arranged on the upper air side of the mixing well and the slope way, the return air of the return air well can be built after a purification measure is adopted; a well head: +22m, the bottom elevation is-210 m, the diameter of the return air shaft is 4m, and a ladder room is arranged in the return air shaft and serves as a second safety outlet; and a tail and waste gas centralized treatment device is arranged.
3) In view of the requirements for raw ore storage and transportation, mill shop ventilation and pulp gravity flow, the system of the embodiment takes the form of annular arrangement of mill chambers around the mixing well. The raw ore unloading level is arranged at-90 m level, the raw ore is directly unloaded to a raw ore buffer bin by a skip, and the volume of the raw ore buffer bin is 2500 t; arranging a raw ore belt conveyor horizontally at-130 m, and connecting the raw ore buffer bin with a grinding workshop chamber horizontally at-130 m; respectively arranging a screening fine crushing chamber, an ore grinding chamber and auxiliary chambers thereof, a raw ore concentration chamber and auxiliary chambers thereof, a flotation chamber and auxiliary chambers thereof, a tailing concentration chamber and a concentrate filtering and storing chamber at-130 m, -141.5m, -150m, -160m, -170m, -180m, -190m, -200m, -205m and-210 m; the laboratory chamber is arranged on the earth surface near a shaft tower, is considered together with a mining central control room, and is used for landscape arrangement.
2) The underground chamber pipelines of each workshop of the ore dressing plant pass through a slope ramp-slope ramp workshop communicating channel (channel 1), the elevation of the wellhead of the slope ramp is +22m, the length of the slope ramp is about 2400m, the section of the slope ramp is 5m multiplied by 4.5m, and the underground ore dressing plant underground communicating channel is used as an access channel for personnel, materials and equipment of an underground ore dressing plant system and is also used as a waste rock transportation channel.
The return air shaft connecting channel is connected with a special pipe channel (channel 2), the gradient of the channel 1 is about-10%, and the gradient of the channel 2 is less than-26.8%, so that the slurry self-flowing requirement is met. The diameter of the return air shaft is 4m, the elevation of the well head is +30m, the elevation of the well bottom is-210 m, and the return air shaft is used as a return air channel and a second safety outlet of the underground concentrating mill system.
3) The factory selection accident pool is arranged on one side of a deep cone concentration chamber of an underground filling station, the elevation of an opening is 210m below zero, the gradient is 15 percent below zero, the length is 70m, and the effective volume is 750m3. And performing anti-seepage treatment in the accident pool.
(III) filling system
The underground filling system facilities of the embodiment scheme all adopt an underground arrangement scheme, namely a deep cone concentration chamber, a cement bin chamber and a stirring chamberThe chambers were all arranged at-210 m level. The tail sand slurry enters the gravity flow man-made deep cone concentration chamber from the concentration chamber through a pipe channel, and the filling material reaching the specified concentration directly reaches each horizontal shaft bottom yard in the well from the filling drill hole through the stirring chamber. The factory selection accident pool is arranged on one side of a deep cone concentration chamber of an underground filling station, the elevation of an opening is 210m below zero, the gradient is 15 percent below zero, the length is 70m, and the effective volume is 750m3. And performing anti-seepage treatment in the accident pool.
(IV) waste rock transfer system
According to the embodiment scheme, a waste rock transfer yard is horizontally arranged at the position of-100 m of a mixed well, the direction of a ingate is 320 degrees and 0', and an air door is arranged in the yard; arranging a side dump chamber and a waste rock buffer bin at the end of the train yard, wherein the bottom of the buffer bin is provided with an ore drawing machine; a truck loading chamber is horizontally arranged at 130m below zero, and an automatic opening air door is arranged in the chamber; and dust removing devices are arranged in the side dumping chamber and the loading chamber. The waste rock is discharged out of the ground surface through a slope of an underground concentrating mill system and sold.
(V) auxiliary production facility
1) The storage chamber designed by the embodiment scheme is only used for storing oil, spare parts and production consumption parts which are necessary for ensuring smooth production in a short term, and does not store labor protection sundries. The machine maintenance facilities comprise a comprehensive maintenance chamber, an electric locomotive maintenance chamber, a trackless equipment maintenance chamber, an oil storage chamber, a spare part warehouse and a consumable part warehouse.
2) In order to ensure that the mine is mined without waste, the embodiment scheme arranges the sewage treatment workshop at the level of-210 m, is close to the thickening and filtering workshop of an underground concentrating mill system, and ensures 100 percent of recycling of production wastewater.
3) According to the scheme of the embodiment, facilities such as power utilization and automatic control of the underground concentrating mill system are arranged nearby and are uniformly distributed in the ear chamber of the underground concentrating mill system chamber.
The technical scheme of the invention has the functions of the whole process of developing lead-zinc ore resources, such as ore lifting, ore coarse crushing, ore grinding, ore flotation, ore thickening, ore filtering, waste rock transferring, tailing treatment and filling, sewage treatment, auxiliary facilities and the like, in an underground mining, selecting and charging system, is a real mining, selecting and charging integrated system, and solves the contradiction between the increasingly-growing beautiful life needs of people and the development of precious lead-zinc resources.
The technical scheme of the invention is arranged on the shallow underground bedrock, no new land surface facilities such as mining and selecting industrial fields, tailing ponds and the like need to be built in the surface soil, and the surface outlet can be designed by combining the surface landscape of the mining area, so that the invention has better social property and environmental protection property.
According to the technical scheme, the underground chamber group is connected with the ground surface through the slope and the return air shaft is used as a second safety outlet, so that the problems of high construction difficulty, high investment scale, difficulty in transportation and maintenance of large mineral separation equipment, difficulty in access of operating personnel, safety in operation, environmental protection and the like of the underground chamber group are solved.
The technical scheme of the invention is that the mining, selecting and charging systems of the underground mining, selecting and charging system are closely connected and relatively independent, and the mining, selecting and charging system is provided with an independent ventilation system, so that the mining, selecting and charging system has good ventilation effect, small ventilation resistance and low system energy consumption.
The underground concentrating mill system of the technical scheme of the invention fully considers the self-flow of the slurry and reduces the energy consumption of concentrating.
And a buried mining, selecting and charging integrated system can solve the problems that the earth surface cannot be occupied, the chamber group construction difficulty is high, the investment scale is high, large piece of mineral processing equipment is difficult to transport and maintain, and operating personnel is difficult to come in and go out. However, the buried mining, selecting and charging integrated system is too close to the earth surface, and has the advantage of improving the earth surface landscape compared with the traditional ground concentrating mill, the buried mining, selecting and charging integrated system has large excavation scale and great damage to the original environment of the earth surface in the process of capital construction, and the problem that the earth surface cannot be occupied cannot be fundamentally solved.
The underground mining, selecting and charging system has the functions of the whole lead-zinc ore resource development process such as ore lifting, ore coarse crushing, ore grinding, ore flotation, ore thickening, ore filtering, waste rock transferring, tailing treatment and filling, sewage treatment and auxiliary facilities and the like, and is a real mining, selecting and charging integrated system.
The system is arranged in a shallow stratum, only a limited outlet is arranged to be communicated with the ground surface, the mining, selecting and filling systems are relatively independent, and an independent ventilation system is arranged, so that the problems of high construction difficulty, high investment scale, difficulty in transportation and maintenance of large mineral separation equipment, difficulty in access of operating personnel, safety in operation, environmental protection and the like of the underground chamber group are solved.
The underground concentrating mill system has low energy consumption.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides a shallow portion of lead-zinc ore underground adopts selects to select fills integration system which characterized in that includes:
the underground mining lifting and waste rock transferring system, the underground crushing system, the underground concentrating mill system, the filling system and the auxiliary production facility are all arranged in the shallow stratum;
the shallow underground mining, selecting and filling integrated system for the lead-zinc ores adopts a hybrid well and slope ramp combined development transportation system, and the underground mining lifting system, the underground concentrating mill system, the filling system and the auxiliary production facility are connected with the ground through the slope ramp and are provided with an independent ventilation system and a second safety outlet;
the shallow underground mining, selecting and charging integrated system for the lead-zinc ores is only provided with a slope way outlet and an air return shaft mouth which are arranged on the earth surface, the earth surface outlet is designed by combining the earth surface landscape of a mining area, and earth surface facilities including a mining and selecting industrial field and a tailing pond are not arranged on earth surface land.
2. The shallow underground mining, selecting and charging integrated system for lead-zinc ores as claimed in claim 1, wherein the mining lifting system and the waste rock transporting system are supported by a mixing well, and a mixing well shaft and equipment thereof and a waste rock transporting truck yard are arranged;
the surface facilities of the mining lifting system comprise a headframe, a wellhead house, a production water pool, a living water pool and ground narrow-gauge vehicle yard facilities which are all buried and connected with the ground through a ramp.
3. The lead-zinc ore shallow underground mining, dressing and charging integrated system according to claim 2, wherein the underground crushing system is arranged in an underground rock stratum near the bottom of the mixing well to meet ore lifting and underground dressing plant system feeding requirements.
4. The shallow underground mining, selecting and charging integrated system for lead-zinc ores according to claim 2, wherein the underground concentrating mill system is arranged in a shallow stratum, the crushed ore buffer bin is tightly attached to a mixing well shaft, the middle fine crushing workshop and the grinding workshop are arranged close to the buffer ore bin, the rest ore dressing workshops are arranged in a centralized and annular mode, and the middle fine crushing workshop, the grinding classification workshop, the flotation workshop, the concentration workshop, the filtering workshop and the concentrate bin are sequentially arranged.
5. The shallow part underground mining, selecting and filling integrated system for lead-zinc ores according to claim 4, wherein the filling system, a medicament preparation workshop, a production water tank, a sewage treatment facility, a power distribution room and a comprehensive machine repair workshop are divided according to the functions of an auxiliary production facility and are arranged in the underground shallow part stratum by depending on an underground concentrating mill system.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114790914A (en) * | 2022-05-06 | 2022-07-26 | 山东黄金矿业科技有限公司充填工程实验室分公司 | Underground space-based mining, selecting, filling and water recycling method and control system |
| CN115055265A (en) * | 2022-06-30 | 2022-09-16 | 中钢石家庄工程设计研究院有限公司 | Large-scale iron ore deposit underground mining selects to select fills integration system |
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