CN112923860A - Experimental device and method for simulating surface stacking behavior of high-concentration tailing slurry - Google Patents
Experimental device and method for simulating surface stacking behavior of high-concentration tailing slurry Download PDFInfo
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- CN112923860A CN112923860A CN202110120187.9A CN202110120187A CN112923860A CN 112923860 A CN112923860 A CN 112923860A CN 202110120187 A CN202110120187 A CN 202110120187A CN 112923860 A CN112923860 A CN 112923860A
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- peristaltic pump
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- 239000002002 slurry Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000004744 fabric Substances 0.000 claims description 73
- 230000002572 peristaltic effect Effects 0.000 claims description 20
- 238000012545 processing Methods 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims description 2
- 238000004088 simulation Methods 0.000 claims 1
- 238000011160 research Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 5
- 230000002411 adverse Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/03—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring coordinates of points
Abstract
The invention provides an experimental device and method for simulating surface stacking behavior of high-concentration tailing slurry, and belongs to the technical field of mine tailing stacking. The device comprises a horizontal calibration system, a material distribution system and a three-dimensional shape measurement system, wherein paste slurry is discharged in a discharge tank, coordinates of each point on the surface of the pile body are determined through the three-dimensional measurement system, and the shape of the pile body is finally determined. The invention realizes the rapid and accurate measurement of the shape of the high-concentration tailing slurry pile body and provides a research device and method foundation for the surface pile of the high-concentration tailing slurry.
Description
Technical Field
The invention relates to the technical field of mine tailing stockpiling, in particular to an experimental device and method for simulating surface stockpiling behavior of high-concentration tailing slurry.
Background
The safe and effective stockpiling process has the advantages of large tailing yield and high stockpiling requirement in China, and becomes an urgent development direction at present. The technology for piling high-concentration tailing slurry and paste has the obvious advantages of safety and environmental protection, and the technology is taken into consideration in the field of mine piling. The fine-grained tailings are made into high-concentration slurry or even paste and piled on the ground surface, so that the water used in tailing piling can be reduced, the potential safety hazard of the traditional low-concentration tailing dam can be eliminated, the applicability of the piling technology is improved, and the method caters to the current green mining development direction propelled by China.
Compared with the traditional stockpiling technology, the stockpiling of the high-concentration tailing slurry represented by the paste stockpiling technology can form a dry stockpile in the tailings pond, avoid water accumulation in the tailings pond, form a larger stockpiling angle by the stockpiled body, and objectively ensure the utilization rate of the storage capacity of the tailings pond to the maximum extent. In order to realize high utilization rate of the storage capacity, research and analysis on the stacking behavior of the slurry are needed, the stacking angle is determined, and then the discharge parameters are optimized.
The traditional ground surface stockpiling action research only uses a flowing groove flowing in a single direction, the equipment is simple, slurry can be blocked by a side wall, the flowing of the slurry is blocked, adverse effects are caused to the research, and the analysis of the three-dimensional stockpiling action cannot be carried out. The three-dimensional discharge mode avoids the adverse effect of the side wall, but the measurement of the shape of the pile body is difficult, and the experimental analysis is not easy to develop. The invention provides a high-precision measuring device for the stacking morphology with a three-dimensional space measuring function and a related measuring method based on a three-dimensional discharge mode and considering the defect that the stacking morphology of the discharge mode is difficult to measure.
Disclosure of Invention
The invention aims to provide an experimental device and method for simulating surface stacking behavior of high-concentration tailing slurry.
The device comprises a discharge tank, a calibration nut, a stand column, a base, a cloth measuring cross arm, a cloth funnel, a laser ranging unit, a cloth pipeline, a peristaltic pump, a storage tank, a first bubble level meter, a second bubble level meter and a data processing terminal. The discharge tank inlays on the base, the discharge tank, the base is on same horizontal plane, the discharge tank, base and stand, the cloth measures the xarm and constitutes three-dimensional space coordinate reference system jointly for confirm pile body surface coordinate, the base, the calibration nut, bubble level appearance one and bubble level appearance two constitute experimental apparatus's level system of being more jointly, the cloth funnel is installed on the cloth measures the xarm, set up laser rangefinder unit on the cloth measures the xarm, the cloth funnel passes through the cloth pipeline and connects the peristaltic pump, the peristaltic pump connects the storage tank.
Calibration nuts are installed at the bottoms of four corners of the base, a first bubble level meter and a second bubble level meter are arranged on the adjacent sides of the base respectively, the base is adjusted through stretching and retracting of the calibration nuts, the stand column is installed on the slide rail on one side of the base and is perpendicular to the horizontal plane of the base, scales are arranged on the slide rail, and the relative position of the stand column can be read. A cloth measuring cross arm is arranged on the upright post, and a cloth hopper and a cloth pipeline are arranged on the cloth measuring cross arm during cloth; during measurement, a laser distance measuring unit is installed on the cloth measuring cross arm, and the cloth hopper and the laser measuring unit are respectively connected with the cloth measuring cross arm through respective sliders.
Scales are engraved on the surface of the upright post, and the height of the cloth measuring cross arm is accurately determined; the direction of the cloth measuring cross arm is vertical to the motion direction of the upright post, and the relative distance between the cloth funnel or the laser measuring unit and the center of the upright post can be determined by taking the rotation center of the upright post as a zero point and carving scales.
When the distributing pipeline is arranged on the distributing cross arm, the other end of the distributing pipeline is connected with the material storage tank through the peristaltic pump.
The horizontal plane of the base and the plane of the discharge groove are on the same level, and the discharge groove is tightly embedded in the reserved position of the base.
The upright column, the base, the cloth measuring cross arm and the discharge groove form a three-dimensional space coordinate reference system together, a three-dimensional space discharge and measurement reference system is constructed, and the origin of the coordinate system is the intersection point of the central line of the upright column and the horizontal plane of the discharge groove.
The calibration nut, the first bubble level gauge and the second bubble level gauge on the base jointly realize the horizontal adjustment of the plane of the base, and the horizontal plane is leveled by adjusting the height of the calibration nut.
The peristaltic pump controls the speed at which the cloth is pumped.
And the laser ranging unit comprises a laser range finder and a sliding block, during measurement, the laser range finder is started, the sliding block slides to a set position, a measurement button is clicked, after laser ranging is carried out, the vertical distance between the cloth measurement cross arm and the surface of the stack body is read to finish one-time measurement, the measured data is input into the data processing terminal, and the height of each measurement point on the surface of the stack body is converted according to a coordinate system.
The method specifically comprises the following steps:
s1: embedding a cleaned and dried discharge tank on a base, adjusting the height of each calibration nut to enable the horizontal plane of the base to be in a horizontal state, and observing the state of bubbles in a first bubble level meter and a second bubble level meter when the calibration nuts are adjusted until the state of the bubbles reaches the level;
s2: adjusting the position of the upright column on the base, then adjusting the height of the cloth measuring cross arm, and installing a cloth hopper and a cloth pipeline on the cloth measuring cross arm;
s3: injecting the slurry into a material storage tank, presetting the pumping speed of a peristaltic pump, starting the peristaltic pump to start material distribution, and closing the peristaltic pump after the material distribution is finished;
s4: taking down the material distribution funnel and the material distribution pipeline from the material distribution measuring cross arm, installing a laser ranging unit, adjusting the position of the laser ranging unit on a slide rail, reading the vertical distance between the material distribution measuring cross arm and the surface of the pile body at the position, and repeating the step continuously to finish the measurement of all points to be measured; after the point along the direction of the cloth measuring cross arm is measured, the position of the upright post on the base is adjusted, new coordinates are recorded, the position of the laser ranging unit on the cloth measuring cross arm is adjusted, and data are read. Continuously repeating the steps to finish the measurement of all points to be measured;
s5: and after the measurement is finished, taking down the discharge tank, cleaning and airing for later use.
S6: and inputting the collected experimental data into a data processing terminal, and converting the height of the stack in a set coordinate system.
The technical scheme of the invention has the following beneficial effects:
in the above scheme, the device can measure the stack height of different positions fast and accurately, and is simple and convenient to operate.
Drawings
FIG. 1 is a schematic structural diagram of an experimental apparatus according to the present invention.
Wherein: the method comprises the following steps of 1-a discharge groove, 2-a calibration nut, 3-a stand column, 4-a base, 5-a cloth measuring cross arm, 6-a cloth funnel, 7-a laser ranging unit, 8-a cloth pipeline, 9-a peristaltic pump, 10-a material storage tank, 11-a first bubble level meter, 12-a second bubble level meter and 13-a data processing terminal.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
The invention provides an experimental device and method for simulating surface stacking behavior of high-concentration tailing slurry.
As shown in FIG. 1, the device comprises a discharge tank 1, a calibration nut 2, a stand column 3, a base 4, a cloth measuring cross arm 5, a cloth funnel 6, a laser ranging unit 7, a cloth pipeline 8, a peristaltic pump 9, a storage tank 10, a first bubble level gauge 11, a second bubble level gauge 12 and a data processing terminal 13. The discharge groove 1 and the base 4 are on the same horizontal plane, the discharge groove 1, the base 4, the upright post 3 and the cloth measuring cross arm 5 jointly form a three-dimensional space coordinate reference system for determining the surface coordinates of the pile, and the base 4, the calibration nut 2, the first bubble level gauge 11 and the second bubble level gauge 12 jointly form a horizontal calibration system of the experimental device; the cloth funnel 6 is installed on the cloth measuring cross arm 5, the laser ranging unit 7 is arranged on the cloth measuring cross arm 5, the cloth funnel 6 is connected with the peristaltic pump 9 through a cloth pipeline 8, and the peristaltic pump 9 is connected with the storage tank 10. The discharge tank 1 is embedded on a base 4, a calibration nut 2 is installed on the lower portion of the base 4, a first bubble level meter 11 and a second bubble level meter 12 are installed in the middle of two adjacent sides of the base 4 respectively, the base 4 is adjusted to be horizontal by changing the extension and retraction of the calibration nut 2, a stand column 3 is installed on the base 4, the stand column 3 is perpendicular to the horizontal plane of the base 4, a cloth measuring cross arm 5 is installed on the stand column 3, and the cloth measuring cross arm 5 is perpendicular to the moving direction of the stand column 3.
Discharge tank 1 is squarely, and interior plane and base 4 are in the coplanar, and discharge tank 1 can be dismantled, and installation back bottom and base 4 closely interlock can not take place relative displacement.
The upright post 3, the base 4 (the side where the upright post is installed) and the cloth measuring cross arm 5 are all provided with scales, wherein the origin of coordinates of the cloth measuring cross arm 5 is the axis of the upright post 3, and the origin of coordinates on the upright post 3 is on the horizontal plane of the base 4. The cloth measuring cross arm 5 is vertical to the upright post and the motion direction of the upright post. The cloth measuring cross arm 5 is provided with a fastening screw at the position connected with the upright post 3, the connection between the cross arm and the upright post 3 can be fixed and loosened by adjusting the tightness degree of the fastening screw, and the installation position is determined according to the scale on the upright post 3 when the height of the cloth measuring cross arm 5 is adjusted every time.
The peristaltic pump 9 is capable of regulating the pumping speed.
The laser ranging unit 7 is installed on the lower side of the cloth measuring cross arm 5 through a sliding block, the sliding block can horizontally move along a sliding rail on the cloth measuring cross arm 5, and the horizontal distance between the laser ranging unit 7 and the upright post 3 can be read out by combining scales on the cloth measuring cross arm 5. The laser direction of the laser range finder unit 7 is vertically downward, and the precision of the laser range finder is +/-1 mm.
The measurement data obtained by the laser measurement unit 7 is input to the data processing terminal 13, and the stack height of each measurement point in the current coordinate system is calculated.
The practical application process of the device is as follows:
s1: the discharge tank 1 is installed on the base 4, the state changes of the first bubble level gauge 11 and the second bubble level gauge 12 are observed, and the calibration nut 2 is adjusted to level the base 4. Adjusting the position of the upright post 3 on the base 4 and the height of the cloth measuring cross arm 5, and adjusting the positions of the cloth funnel 6 and the cloth pipeline 8 on the cloth measuring cross arm 5 to ensure that the discharge point is positioned near the center of the discharge groove;
s2: a material distribution hopper 6 and a material distribution pipeline 8 are arranged on the material distribution measuring cross arm, slurry is poured into a material storage tank 10, and then the slurry is discharged into a discharge groove through a peristaltic pump 9 and the material distribution hopper 6;
s3: after the discharging is finished, the distributing hopper 6 and the distributing pipeline 8 are removed, the laser ranging unit 7 is installed, and the position of the laser ranging unit 7 on the distributing measuring cross arm 5 is adjusted;
s4: opening the laser ranging unit 7, and measuring the vertical distance between the stockpile body at each point to be measured and the laser ranging unit 7; after the measurement of the point in the direction of the cloth measuring cross arm 5 is completed, the horizontal position of the upright post 3 on the base 4 is adjusted, and the data of each point on the cloth measuring cross arm 5 is measured again. And repeating the steps until the measurement is completed.
S5: after the experiment is completed, the discharge tank 1 is detached and cleaned for the next use.
S6: the collected experimental data are input to the data processing terminal 14, and the stack height is calculated in the set coordinate system.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (4)
1. The utility model provides an experimental apparatus of simulation high concentration tailings ground paste earth surface pile up action which characterized in that: the device comprises a discharge groove (1), a calibration nut (2), a stand column (3), a base (4), a cloth measuring cross arm (5), a cloth hopper (6), a laser ranging unit (7), a cloth pipeline (8), a peristaltic pump (9), a storage tank (10), a first bubble level meter (11), a second bubble level meter (12) and a data processing terminal (13), wherein the discharge groove (1) and the base (4) are on the same horizontal plane, the discharge groove (1), the base (4), the stand column (3) and the cloth measuring cross arm (5) jointly form a three-dimensional space coordinate reference system for determining the surface coordinates of a stack body, and the base (4), the calibration nut (2), the first bubble level meter (11) and the second bubble level meter (12) jointly form a horizontal calibration system of an experimental device; the cloth funnel (6) is installed on the cloth measuring cross arm (5), the laser ranging unit (7) is arranged on the cloth measuring cross arm (5), the cloth funnel (6) is connected with the peristaltic pump (9) through a cloth pipeline (8), and the peristaltic pump (9) is connected with the storage tank (10).
2. The experimental device for simulating the surface stockpiling behavior of the high-concentration tailings according to claim 1, wherein: four angle bottoms of base (4) set up calibration nut (2), set up bubble spirit level (11) and bubble spirit level two (12) on the adjacent side of base (4) respectively.
3. The experimental device for simulating the surface stockpiling behavior of the high-concentration tailings according to claim 1, wherein: the laser distance measuring unit (7) comprises a laser distance measuring instrument and a sliding block, during measurement, the laser distance measuring instrument is started, the sliding block slides to a set position, a measuring button is clicked, after laser distance measurement, the vertical distance between the cloth measuring cross arm (5) and the surface of the stack body is read to complete one-time measurement, measured data are input into the data processing terminal (13), and the height of each measuring point on the surface of the stack body is converted according to a coordinate system.
4. The method for applying the experimental device for simulating the surface stacking behavior of the high-concentration tailing slurry, which is described in claim 1, is characterized in that: the method comprises the following steps:
s1: embedding a cleaned and dried discharge tank (1) on a base (4), adjusting the height of each calibration nut (2) to enable the plane of the base (4) to be in a horizontal state, and observing the bubble states in a first bubble level meter (11) and a second bubble level meter (12) when the calibration nuts (2) are adjusted until the bubble states reach the horizontal state;
s2: adjusting the position of the upright post (3) on the base (4), then adjusting the height of the cloth measuring cross arm (5), and installing the cloth funnel (6) and the cloth pipeline (8) on the cloth measuring cross arm (5);
s3: injecting the slurry into a material storage tank (10), presetting the pumping speed of a peristaltic pump (9), starting the peristaltic pump (9) to start material distribution, and closing the peristaltic pump (9) after the material distribution is finished;
s4: taking down the distributing hopper (6) and the distributing pipeline (8) from the distributing measuring cross arm (5), installing the laser ranging unit (7), adjusting the position of the laser ranging unit (7) on the distributing measuring cross arm (5), and reading the vertical distance between the distributing measuring cross arm (5) and the surface of the stack body at the corresponding position; after the point measurement along the direction of the cloth measuring cross arm (5) is finished, adjusting the position of the upright post (3) on the base (4), recording a new coordinate, adjusting the position of the laser ranging unit (7) on the cloth measuring cross arm (5), reading data, and continuously repeating the step to finish the measurement of all points to be measured;
s5: after the measurement is finished, taking down the discharge tank (1), cleaning and airing for later use;
s6: the collected experimental data are inputted to a data processing terminal (13), and the height of the stack is calculated in a set coordinate system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110120187.9A CN112923860B (en) | 2021-01-28 | 2021-01-28 | Experimental device and method for simulating surface stacking behavior of high-concentration tailing slurry |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110120187.9A CN112923860B (en) | 2021-01-28 | 2021-01-28 | Experimental device and method for simulating surface stacking behavior of high-concentration tailing slurry |
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| CN112923860A true CN112923860A (en) | 2021-06-08 |
| CN112923860B CN112923860B (en) | 2022-04-08 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944509A (en) * | 2012-11-09 | 2013-02-27 | 北京科技大学 | Testing device for testing corrosion of rainwater to stockpiling body of tailing paste |
| CN103938576A (en) * | 2014-05-05 | 2014-07-23 | 重庆大学 | Tailing pond dam model test and dynamics simulation test device |
| CN108941146A (en) * | 2018-07-02 | 2018-12-07 | 北京科技大学 | A kind of barren rock and crude tailings mixing stacked arrangement |
| CN109459345A (en) * | 2018-11-19 | 2019-03-12 | 华北科技学院 | A kind of test device of tailings paste angle of dump slope |
| CN110702061A (en) * | 2019-09-06 | 2020-01-17 | 山东科技大学 | Three-dimensional moving deformation measurement system and application thereof in three-dimensional simulation experiment |
| US10837757B1 (en) * | 2019-05-17 | 2020-11-17 | Keyence Corporation | Three-dimensional coordinate measuring device |
| CN112129917A (en) * | 2020-08-10 | 2020-12-25 | 山东工商学院 | High-concentration tailing rheological and flow characteristic testing system and using method thereof |
-
2021
- 2021-01-28 CN CN202110120187.9A patent/CN112923860B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944509A (en) * | 2012-11-09 | 2013-02-27 | 北京科技大学 | Testing device for testing corrosion of rainwater to stockpiling body of tailing paste |
| CN103938576A (en) * | 2014-05-05 | 2014-07-23 | 重庆大学 | Tailing pond dam model test and dynamics simulation test device |
| CN108941146A (en) * | 2018-07-02 | 2018-12-07 | 北京科技大学 | A kind of barren rock and crude tailings mixing stacked arrangement |
| CN109459345A (en) * | 2018-11-19 | 2019-03-12 | 华北科技学院 | A kind of test device of tailings paste angle of dump slope |
| US10837757B1 (en) * | 2019-05-17 | 2020-11-17 | Keyence Corporation | Three-dimensional coordinate measuring device |
| CN110702061A (en) * | 2019-09-06 | 2020-01-17 | 山东科技大学 | Three-dimensional moving deformation measurement system and application thereof in three-dimensional simulation experiment |
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Non-Patent Citations (1)
| Title |
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| 吴爱祥 等: "超细全尾膏体处置技术现状与趋势", 《采矿技术》 * |
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