CN213088071U - Tailing filling system based on mine slope terrain - Google Patents
Tailing filling system based on mine slope terrain Download PDFInfo
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- CN213088071U CN213088071U CN202022105454.9U CN202022105454U CN213088071U CN 213088071 U CN213088071 U CN 213088071U CN 202022105454 U CN202022105454 U CN 202022105454U CN 213088071 U CN213088071 U CN 213088071U
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Abstract
The utility model discloses a tailings filling system based on slope terrain of mine, include: the system comprises a first-order platform high-level water supply system, a second-order platform tailing concentration and dehydration system, a third-order platform leaching tailing storage yard and a fourth-order platform filling slurry preparation system. Arranging a high-level water pool on the first-order platform to supply water to a factory; a thickener and a filter are arranged on the second-order platform to perform concentration and dehydration on the low-concentration tailings; the filtered tailings are put to a three-order platform storage yard by self weight for storage; after the materials are shoveled and loaded by a forklift and measured by a belt, the materials are fed to a four-stage platform filling workshop, stirred and pulped, and then automatically flow to a drilling pit. The utility model discloses make full use of hillside slope terrain has overcome the narrow problem of filling station site selection difficulty in the gentle industrial site in mine earth's surface, reduces and digs down and put up high engineering, practice thrift and dig the fill engineering volume, can realize that the factory flows automatically and supplies water, takes off and strains the positive feed of tailing, fills the ground paste and flows to drilling, is favorable to improving filling system reliability, reduces energy consumption, saving system investment of operation.
Description
Technical Field
The utility model relates to a mine tailings filling technical field, concretely relates to tailings filling system based on slope topography in mine.
Background
With the continuous promotion of the construction process of the green mine, the nonferrous metal underground mine generally starts to construct a tailing filling station, and the goaf is treated by tailing filling, so that the potential safety hazard of the goaf is eliminated, the discharge of solid wastes is reduced, and the surface environment is protected.
At present, most mines are constructed in flat sites (below 5 degrees) or gentle slopes (5-15 degrees) to reduce the workload of the flat sites, but the industrial sites with gentle mine ground surfaces are generally narrow, so that the condition that a tailing filling system is difficult to meet is up to 5000-20000 m2The land requirement of the filling station needs a large amount of excavation and filling engineering quantity, equipment such as a high-level water tank, a thickener and the like still needs to be erected, and engineering such as an overflow water tank, a drilling pit and the like is excavated downwards, so that the conditions of upward pumping of factory water, reverse feeding of filtered tailings and low-pressure pumping of filling slurry to the drilling hole are generated, and the problems of large construction investment, high operation energy consumption, low system reliability and the like of the filling station are caused.
Consider to build the filling station on the slope is greater than 36 sudden and dangerous slopes, can have bank protection construction difficulty, safe risk height, strut the big scheduling problem of the degree of difficulty, the utility model provides a tailings filling system based on slope abrupt slope (16-35) topography of mine. By fully utilizing the terrain of the inclined steep slope of the mine mountain land, the construction of excavation and elevation is reduced to the greatest extent, the engineering quantity of excavation and filling is saved, reverse conveying and feeding are avoided, and the problems of difficult site selection of filling stations, large construction investment, high operation energy consumption and low system reliability are solved.
Disclosure of Invention
In order to solve the technical problems of narrow industrial field, difficult site selection of a filling station, large engineering quantity of flat-field excavation and filling, and reverse water supply and sand conveying of the mine earth surface, the utility model provides a tailings filling system based on the terrain of a mine slope and a steep slope, which has the characteristics of easy site selection of the filling station, less engineering quantity of excavation and filling, small system investment, low operation energy consumption and high reliability.
In order to achieve the technical purpose, the technical proposal of the utility model is that,
the utility model provides a tailings filling system based on slope topography in mine which characterized in that includes: the system comprises a first-order platform high-level water supply system, a second-order platform tailing concentration and dehydration system, a third-order platform leaching tailing storage yard and a fourth-order platform filling slurry preparation system.
The gradient of the inclined steep slope is uniform and stable, and the gradient is controlled to be between 16 and 35 degrees, wherein about 25 degrees is optimal.
The first-order platform is higher than the second-order platform by more than 5m, and a high-level water tank and a water supply and drainage pipeline are arranged on the platform, so that the self-flowing water supply can be performed to the whole tailing filling system.
The second-order platform is 5-10 m higher than the third-order platform, and tailings concentration and dehydration equipment facilities such as a thickener and a filter are arranged on the platform; the low-concentration tailing slurry produced by the plant selection is conveyed by a pipeline to directly feed to the top of the thickener, and the high-concentration bottom flow produced after the thickener is concentrated flows into the filter by gravity for dehydration.
The three-stage platform is higher than the four-stage platform by 8-15 m, the angle of a retaining wall between the second-stage platform and the three-stage platform is 50-70 degrees, and a tail sand piling shed is built on the platform and is provided with equipment facilities such as a scraper, a discharge hopper, a belt conveyor and the like; the filter tailings generated by the filter are slipped into a three-order platform storage yard by dead weight to be stored, and then are fed into a four-order platform filling workshop after being shoveled and loaded by a forklift and measured by a belt.
The four-step platform is level to the height of a factory road, a filling factory building and a filling pit are built on the platform, and equipment facilities such as a cement bin, a stirring barrel and the like are arranged on the platform; the filter tailings, cement and water are uniformly stirred to prepare ideal filling slurry, and the ideal filling slurry flows into the drilling pit automatically and is conveyed to a goaf through a pipeline for filling.
The tailings filling system plant layout based on the mine slope terrain meets the requirements of factory self-flowing water supply, tailing filtering and forward feeding, and filling slurry self-flowing to drilling.
The technical effect of the utility model lies in, the tailings filling station is built to make full use of mine mountain land slope abrupt slope topography, has overcome the general narrowness in mine earth's surface gentle industrial field, fills the problem of station site selection difficulty, can also reduce down dig and put up high engineering construction, practice thrift and dig the engineering volume of filling to the at utmost. Meanwhile, the layout of a factory building is optimized by utilizing the slope and steep slope terrain, so that the self-flowing water supply in a factory area, the forward feeding of the filtered tailings and the self-flowing of the filling slurry to the drill hole can be realized, the investment of a filling station is saved, the operation energy consumption is reduced, and the system reliability is improved.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of a mine slope excavation and filling project and retaining wall arrangement;
FIG. 2 is a sectional view showing the layout of the construction equipment of the filling station on the multi-stage platform of the inclined and steep slope;
fig. 3 is a plan view of the layout of the construction equipment facilities of the filling station on the slope and steep slope multi-stage platform.
In the figure: 1-mine slope and steep slope; 2-excavation engineering; 3-filling engineering; 4-a first order platform; 5-a second order platform; 6-a third order platform; 7-fourth order platform; 8-first order retaining wall; 9-second order retaining wall; 10-third order retaining wall; 11-a fourth-step retaining wall; 12-fifth order retaining wall; 13-high water pool; 14-a thickener; 15-dehydration workshop; 16-filtering tailings; 17-tailing yard; 18-filling a workshop; 19-drilling a pit; 20-factory road; 21-side slope.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, but the present invention is not limited thereto in any way, and any modification or improvement based on the teaching of the present invention is within the protection scope of the present invention.
The utility model discloses a tailings filling system based on slope topography in mine, a serial communication port, include: the system comprises a first-order platform high-level water supply system, a second-order platform tailing concentration and dehydration system, a third-order platform leaching tailing storage yard and a fourth-order platform filling slurry preparation system.
As shown in fig. 1, a uniform and stable steep incline 1 is selected, the incline being controlled between 16-35 °, with about 25 ° being preferred.
As shown in fig. 1 and 3, constructing a winding plant area road 20 from the bottom of the inclined steep slope 1 to pass through the steps at the upper part; backfilling the excavation project 2 of the first-order platform 4, the second-order platform 5 and the third-order platform 6 to be used as a filling project 3 of the third-order platform 6 and the fourth-order platform 7; a first-order retaining wall 8, a second-order retaining wall 9, a third-order retaining wall 10, a fourth-order retaining wall 11, and a fifth-order retaining wall 12 are constructed.
As shown in fig. 2, a tailing dewatering factory building 15 is built on a second-order platform 5, a tailing storage yard 17 is built on a third-order platform 6, a filling factory building 18 is built on a fourth-order platform 7, and a drilling pit 19 is constructed; a high-level water tank 13 is constructed and installed on the first-order platform 4, a thickener 14 and a filter are constructed and installed on the second-order platform 5, and feeding, stirring and conveying equipment facilities are constructed and installed on the fourth-order platform 7;
as shown in fig. 2 and fig. 3, the layout of the factory building is optimized, a high-level water pool 13 is formed to automatically flow from a first-order platform 4 to supply production and fire-fighting water to a lower platform, low-concentration tailings are concentrated and dehydrated from a second-order platform 5 and then are discharged to a tailing yard 17 of a third-order platform 6 by self-weight to be stocked, and the filtered tailings 16 are fed to a factory building 18 filled with a lower fourth-order platform 7 and then automatically flow to a drilling pit 19 after being uniformly stirred and pulped;
as shown in fig. 3, the combined test run of flood-cut drainage ditch construction, slope 21 soil covering and greening, auxiliary room construction, power distribution and illumination construction, instrument and meter installation, mechanical equipment debugging, automatic integrated control and filling system is carried out.
Taking a gold mine in Henan as an example, the mining area is deep in Qinling mountain Funiu mountain, the surface of the mining area is wavy, the available industrial field is narrow, and the site selection of a filling station is difficult. The utility model discloses the method is selected the abrupt slope topography of slope to build energy-concerving and environment-protective tailings filling station.
Firstly, site selection of a filling station: selecting a steep slope with a slope stable at about 25 degrees at the +974m elevation of a mining area, wherein the top of the steep slope is free of a dangerous slope and dangerous rock mass, the bottom of the steep slope is free of mining disturbance and fracture structure influence, the transportation is convenient, the water supply and power supply are convenient, the engineering geology and hydrogeology conditions are simple, the sand supply and water return line is short, and the pipeline layout is convenient;
secondly, station site tee bend one is flat with pile foundation retaining wall construction: the highway of the winding plant area with the construction gradient of 15% is communicated with a +980m first-order platform, a +974m second-order platform, a +964m third-order platform and a +954m fourth-order platform. Carrying out excavation and filling engineering construction on each step, wherein the total excavation and filling amount is basically equal, erecting water supply and drainage pipes and cables to each step, and achieving water passage, electric passage, channel passage and field leveling conditions on a construction site; designing and constructing main equipment facilities of the filling station and pile foundation engineering of the factory building according to the geotechnical engineering investigation report and the bearing conditions of all steps; according to the form of the wall body and the bearing condition of the base, the engineering design and construction of the first-order to fifth-order retaining wall are respectively carried out;
then, equipment installation and plant building: high-level water tank with the installation volume of 200m is planted on the first-order platform, a high-efficiency thickener with the diameter of 12m and two high-efficiency thickeners with the filtration area of 80m are installed on the second-order platform in a construction mode2The ceramic filter and the construction of a filtration plant are carried out, a tailing yard with the volume of 1350m is constructed on a third-order platform, a suspension type vibrating feeder, a belt conveyor with the length of 16m, a cement bin with the volume of 60t, a stirring barrel with the diameter of phi 2000mm and other equipment are constructed and installed on a fourth-order platform, and a filling plant and a drilling pit are constructed;
and finally, constructing public and auxiliary facilities: after the installation of main equipment facilities and the construction of a factory building are finished, the combined test operation of a flood interception drainage ditch construction, slope soil covering and greening, auxiliary room construction, power distribution and illumination construction, instrument and meter installation, mechanical equipment debugging, automatic integrated control and filling system is carried out.
After normal operation, the capacity of the filling system is 60m3Production and fire-fighting water can be automatically supplied to a lower platform from a first-order platform, low-concentration tailing slurry can automatically flow to a drilling pit to enter a goaf after concentration and dehydration of a second-order step, stacking and storage of a third-order platform and stirring and pulping of a fourth-order platform, the total investment of a filling system is only 1500 ten thousand yuan, and the energy consumption of operation and operation is extremely low.
The foregoing description is only exemplary of the preferred embodiments of the present invention, and is not intended to limit the invention in any way. Although the present invention has been described in terms of the preferred embodiments, it is not intended to limit the present invention, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and all those equivalent embodiments do not depart from the technical spirit of the present invention.
Claims (7)
1. The utility model provides a tailings filling system based on slope topography in mine which characterized in that includes: the system comprises a first-order platform high-level water supply system, a second-order platform tailing concentration and dehydration system, a third-order platform leaching tailing storage yard and a fourth-order platform filling slurry preparation system.
2. The mine slope-terrain-based tailings filling system of claim 1, wherein the slope of the slope is relatively uniform and stable, and the slope is controlled to be between 16-35 °.
3. The mine slope terrain-based tailings filling system of claim 1, wherein the first-order platform is higher than the second-order platform by more than 5m, and a high-level water tank and a water supply and drainage pipeline are arranged on the first-order platform, so that the water can be automatically supplied to the whole tailings filling system.
4. The mine slope-slope terrain-based tailings filling system according to claim 1, wherein the second-order platform is 5-10 m higher than the third-order platform, and a thickener and a filter are arranged on the second-order platform for tailings concentration and dehydration; the low-concentration tailing slurry produced by the plant selection is conveyed by a pipeline to directly feed to the top of the thickener, and the high-concentration bottom flow produced after the thickener is concentrated flows into the filter by gravity for dehydration.
5. The mine slope-slope terrain-based tailing filling system according to claim 1, wherein the third-order platform is 8-15 m higher than the fourth-order platform, the angle of a retaining wall between the second-order platform and the third-order platform is 50-70 degrees, and a tailing piling shed is built on the third-order platform and is provided with a scraper, a discharge hopper and a belt conveyor; the filter tailings generated by the filter are slipped into a three-order platform storage yard by dead weight to be stored, and then are fed into a four-order platform filling workshop after being shoveled and loaded by a forklift and measured by a belt.
6. The mine slope-slope terrain-based tailing filling system according to claim 1, wherein the four-step platform is level with the height of a factory road, a filling factory building and a filling pit are built on the four-step platform, and a cement bin and a stirring barrel are arranged; the filter tailings, cement and water are uniformly stirred to prepare ideal filling slurry, the ideal filling slurry flows into the drilling pit automatically, and the ideal filling slurry is conveyed to fill the goaf through a pipeline.
7. The mine slope terrain-based tailings filling system of claim 1, wherein the tailings filling system plant layout meets the requirements of self-flowing water supply, tail sand removal and filtration forward feeding, and self-flowing filling slurry to the drill hole in a factory.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022105454.9U CN213088071U (en) | 2020-09-23 | 2020-09-23 | Tailing filling system based on mine slope terrain |
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| CN202022105454.9U CN213088071U (en) | 2020-09-23 | 2020-09-23 | Tailing filling system based on mine slope terrain |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012788A (en) * | 2020-09-23 | 2020-12-01 | 中南大学 | Tailing filling system based on mine slope and steep slope terrain and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012788A (en) * | 2020-09-23 | 2020-12-01 | 中南大学 | Tailing filling system based on mine slope and steep slope terrain and construction method |
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