CN113898405A - Iron mine tailing filling process - Google Patents
Iron mine tailing filling process Download PDFInfo
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- CN113898405A CN113898405A CN202111164431.8A CN202111164431A CN113898405A CN 113898405 A CN113898405 A CN 113898405A CN 202111164431 A CN202111164431 A CN 202111164431A CN 113898405 A CN113898405 A CN 113898405A
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- slurry
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- tailing
- silo
- filling process
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000005429 filling process Methods 0.000 title claims abstract description 31
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 26
- 239000004576 sand Substances 0.000 claims abstract description 124
- 239000002002 slurry Substances 0.000 claims abstract description 108
- 238000011049 filling Methods 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 27
- 239000000853 adhesive Substances 0.000 claims abstract description 23
- 230000001070 adhesive effect Effects 0.000 claims abstract description 23
- 238000002156 mixing Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000005065 mining Methods 0.000 claims abstract description 10
- 238000005352 clarification Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 8
- 238000005303 weighing Methods 0.000 claims abstract description 7
- 230000010100 anticoagulation Effects 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 33
- 239000007921 spray Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000004744 fabric Substances 0.000 claims description 10
- 230000003139 buffering effect Effects 0.000 claims description 9
- 239000004568 cement Substances 0.000 claims description 9
- 239000008394 flocculating agent Substances 0.000 claims description 6
- 230000004913 activation Effects 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 238000009833 condensation Methods 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004062 sedimentation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/005—Methods or devices for placing filling-up materials in underground workings characterised by the kind or composition of the backfilling material
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/06—Filling-up mechanically
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model discloses an iron mine tailing filling process, which comprises the following process steps: uniformly crushing tailings generated in the process of mining iron ores to prepare tailing slurry; conveying the tailing slurry to a sand silo for overflow settling separation; opening a sand discharge valve at the bottom of the sand silo, and opening a slurry making anti-coagulation device at the bottom of the sand silo to discharge slurry making slurry into a mixing silo; opening an adhesive discharging valve at the bottom of the adhesive storage bin, metering by a metering and weighing device, conveying to a mixing bin, stirring and mixing to prepare filling slurry; and conveying the filling slurry to a mine pit for filling. According to the utility model, through reasonable process layout, the clarification effect of the clarifying solution and the sand sedimentation efficiency are improved, the loss of sand is reduced, the hardening of the sand is avoided through the slurry-making anti-coagulation device, the fluidity of the sand during sand discharge is improved, and the efficiency of the filling process is improved; meanwhile, the quantity of the adhesive is accurately measured by combining the measuring and weighing device, so that the adhesive and the sand material are accurately and uniformly matched, and the filling quality is improved.
Description
Technical Field
The utility model relates to the technical field of mining, in particular to an iron mine tailing filling process.
Background
The cut-and-fill mining method is a mining method in which a gob is filled with a filler along with ore breakage, transportation, and other operations. The purpose of filling is to support two sides of rocks in the goaf and to form a footing bottom plate for continuous upper layer mining. The filling mining method basically adopts a tailing filling method, namely tailings in the mining process are made into slurry, then the tailing slurry is conveyed into a sand silo to be deposited in a pumping mode, the deposited sand is mixed with adhesives such as cement and the like to prepare a filling mixture, and the filling mixture is injected into a mine pit formed by mining to realize the filling of the mine pit.
In the existing tailing filling process, the sedimentation and clarification efficiency of tailing slurry in a sand silo is low in the tailing filling process, the filling process is poor in continuity, and when the tailing slurry is mixed with adhesives such as cement, the mixing uniformity and the material proportion balance are poor, so that the whole filling process is low in efficiency and high in cost.
Disclosure of Invention
The technical problem to be solved by the utility model is as follows: the iron mine tailing filling process improves the settling efficiency of tailing slurry in a sand silo, avoids the interruption of the filling process caused by the blockage of sand in the sand silo, improves the continuity and efficiency of the filling process, simultaneously realizes the reasonable and uniform proportion of the sand and an adhesive, and improves the tailing filling quality.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
an iron mine tailing filling process comprises the following process steps:
s1: uniformly crushing tailings generated in the process of mining iron ores, and preparing tailing slurry;
s2: conveying the iron ore tailing slurry into a sand silo for overflow settling separation; wherein, the sand material is deposited at the bottom of the sand silo, and the clear liquid flows out from an overflow port at the top of the sand silo;
s3: opening a sand discharging valve at the bottom of the sand silo, and opening a slurry making and condensation preventing device at the bottom of the sand silo to discharge sand deposited in the sand silo into a mixed material bin from the sand discharging valve in a slurry form;
s4: opening an adhesive discharging valve at the bottom of the adhesive storage bin, metering by a metering and weighing device, and conveying to a mixing bin to be stirred and mixed with the sand slurry in the step S3 to prepare filling slurry;
s5: conveying and filling the slurry formed after stirring and mixing in the step S3 into a mined pit;
s6: and finishing filling after the filling slurry is solidified.
Further, in the step S2, a buffering speed reducer is arranged in the sand silo, so that kinetic energy and speed of the tailing slurry entering the sand silo are reduced, disturbance of clarified liquid in the sand silo is reduced, clarification quality of the clarified liquid is improved, and loss of sand is reduced.
Further, the buffering and decelerating device comprises a device body with a tubular structure and a flange which is arranged on the device body and used for connection; the device body comprises an outer pipe and a filter cloth layer, wherein the outer pipe is composed of a steel wire mesh, the filter cloth layer is arranged in the outer pipe, and water seepage can be achieved.
Further, in the step S2, when the tailing slurry enters the sand silo, a flocculating agent is added to the tailing slurry, so as to improve the settling velocity and the settling efficiency of the tailing slurry in the sand silo; and an isolation device is arranged in the sand silo and is used for isolating the feeding position of the tailing slurry from the upper part of the clarified liquid in the sand silo and reducing the disturbance of the tailing slurry to the clarified liquid.
Further, the slurry making anti-setting device in the step S3 includes a slurry making circular pipe fixed at the bottom of the sand silo, a slurry making ball spray arranged on the slurry making circular pipe, a sand material disturbing device fixed at the bottom of the sand silo and located in the slurry making circular pipe, a high-pressure spray pipe connected to the slurry making circular pipe and the sand material disturbing device, and a slurry making pipe pump connected to the high-pressure spray pipe.
Furthermore, the sand material disturbance device comprises a device main body connected with the high-pressure spray pipe, and a disturbance nozzle and a disturbance spray ball arranged on the device main body.
Further, the binder in the step S4 is cement, and when the mixing is performed in the step S4, the two-stage continuous mixing is performed by using a double horizontal shaft mixer and a high-speed activation mixer.
Further, in the step S2, the supernatant liquid overflowing from the sand silo is recycled to the slurry making water in the preparation of the tailing slurry in the step S1.
Further, a flow meter and a regulating valve are further provided on the sand discharge and discharge line in step S3.
Further, in step S4, when the filling slurry is prepared, a corresponding concentration control flushing line is also provided.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through reasonable process layout and arrangement of the corresponding buffering speed reducer and the corresponding slurry making and condensation preventing device in the sand silo, disturbance of tailing slurry to clear liquid in the sand silo during feeding is reduced, the clarification effect and the sand settling efficiency of the clear liquid are improved, the loss of sand is reduced, slurry making and disturbance are carried out at the bottom of the sand silo through the slurry making and condensation preventing device, the hardening of the sand is avoided, the fluidity of the sand during sand discharging is improved, the continuity of a filling process is ensured, and the efficiency of the filling process is improved; meanwhile, the quantity of the adhesive is accurately measured by combining the measuring and weighing device, so that the adhesive and the sand material are accurately and uniformly matched, and the filling quality is improved.
Drawings
FIG. 1 is a schematic view of the process of the present invention.
Fig. 2 is a schematic structural diagram of the buffering and decelerating device of the utility model.
FIG. 3 is a schematic structural diagram of a slurry perturbation apparatus according to the present invention.
FIG. 4 is a schematic structural diagram of a sand disturbing apparatus according to the present invention.
Wherein, the names corresponding to the reference numbers are:
1-a sand silo, 2-an overflow port, 3-an overflow pipe, 4-a buffering speed reducer, 5-a tailing slurry conveying pipe, 6-a slurry making anti-condensation device, 7-an isolation device, 8-a binder storage bin, 9-a sand discharging pipeline, 10-a mixing bin, 11-a metering weighing device, 12-a double horizontal shaft stirrer, 13-a high-speed activation stirrer, 14-a thickening flushing pipeline, 15-a device body, 16-a flange, 17-an outer pipe, 18-a filter cloth layer, 19-a slurry making ring pipe, 20-a slurry making spray ball, 21-a sand material disturbance device, 22-a device main body, 23-a disturbance nozzle and 24-a disturbance spray ball.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
As shown in FIGS. 1-4:
an iron mine tailing filling process is used for improving tailing filling efficiency and filling quality. The specific process comprises the following steps:
firstly, adding water into the tailings of the iron ore for crushing, preparing the crushed tailings into tailings slurry, and conveying the tailings slurry through a tailings slurry conveying pipe 5.
The prepared tailing slurry is conveyed to a sand silo 1 to be settled, solid-liquid separation of the slurry is realized, solid-phase sand is deposited at the bottom of the sand silo 1, supernatant liquid on the upper layer is discharged from an overflow port 2 of the sand silo 1 through an overflow pipe 3, and in order to better realize cyclic utilization of water resources, the supernatant liquid overflowing through the overflow pipe 3 is directly returned to a tailing slurry manufacturing process to be used as raw material water for tailing crushing and pulping, so that cyclic utilization of the water resources is realized.
Because the tailing thick liquids when getting into sand silo 1, can produce the effort of impact to the clarified liquid in the sand silo 1, thereby form the disturbance to the clarified liquid, in order to reduce the influence of this kind of disturbance to the clarified liquid, promote the clarification effect of clarified liquid, set up corresponding buffering decelerator 4 in sand silo 1, speed and kinetic energy when being used for reducing the tail sand thick liquids and getting into sand silo 1, reduce its disturbance influence to the clarified liquid, also promote the effect of sand material clarification simultaneously, reduce the loss of tiny sand material in the clarified liquid. Specifically, the buffering reduction gear 4 includes a device body 15 of a tubular structure, and a flange 16 provided on the device body 15 for connection; the device body 15 includes an outer tube 17 formed by a steel wire mesh, and a filter cloth layer 18 disposed in the outer tube 17 and capable of realizing water seepage. After the feeding slurry enters the outer pipe, part of the slurry flows out from the filter cloth layer in a seepage way, and part of the slurry pushes the sand material to move continuously. Meanwhile, for better design, the thickness of the filter cloth layer 18 is gradually reduced along the liquid flowing direction, and the filter cloth is gradually reduced along the liquid flowing direction, so that reasonable distribution of the flowing speed of the slurry can be realized, and the speed and the kinetic energy of sand grains in the slurry can be reduced to the maximum extent while enough kinetic energy of the sand grains in the slurry is ensured to completely flow through the filter cloth, thereby further improving the design rationality of the utility model.
In order to further improve the sedimentation rate of sand grains in the tailing slurry, a flocculating agent is added into the fed tailing sand, a dropping adding mode is adopted when the flocculating agent is added, a proper flocculating agent adding amount is set according to the conveying flow of the tailing slurry, a metering pump quantitative adding mode is adopted, the flocculating agent is continuously added into the tailing slurry entering the sand silo 1, the sedimentation rate of the tailing slurry is improved, and the clarification effect of the tailing slurry is improved. Meanwhile, in order to further avoid the influence of the tailing slurry on the clarifying solution, an isolating device 7 is arranged in the sand silo 1 and used for isolating the feeding position of the tailing slurry from the upper part of the clarifying solution in the sand silo 1 and reducing the disturbance of the tailing slurry on the clarifying solution.
The sand material of deposit in sand silo 1 bottom is as the raw materials that the ore filled, and the bottom of sand silo 1 is provided with thick liquid anti-coagulation device 6, through making thick liquid anti-coagulation device 6 realize the thick liquid of making to the deposit sand material, forms the disturbance to the sedimentary sand material simultaneously, prevents it and hardens, promotes the mobility of sand material. Specifically, the slurry making and anti-coagulation device 6 comprises a slurry making ring pipe 19 fixed at the bottom of the sand silo 1, a slurry making spray ball 20 arranged on the slurry making ring pipe 19, a sand material disturbance device 21 fixed at the bottom of the sand silo 1 and positioned in the slurry making ring pipe 19, a high-pressure spray pipe connected with the slurry making ring pipe 19 and the sand material disturbance device 21, and a slurry making pipe pump connected with the high-pressure spray pipe; the sand material disturbing device 21 comprises a device main body 22 connected with the high-pressure spray pipe, and a disturbing nozzle 23 and a disturbing spray ball 24 which are arranged on the device main body 22. Sand material disturbance device and thick liquid ball spout make, after the thick liquid pipe pump is made in the start-up, highly compressed fluid spouts the ball from the disturbance nozzle and the disturbance of disturbance device to and make and spout in the thick liquid ball spout, carry out the disturbance and erode the sand charge of sand silo 1 bottom, when forming the thick liquid material of making, also avoided the hardening of sand charge of sand silo 1 bottom, thereby promoted the mobility of sand charge, guaranteed the concentration and the homogeneity that the sand charge filled, promoted the quality of filling.
After the deposited sand material is manufactured into slurry, a sand discharging valve at the bottom of a sand silo 1 is opened, the slurry is discharged into a mixing silo 10 to be mixed with adhesives such as cement and the like, so as to form filling slurry, and when the slurry is discharged, a flow meter and an adjusting valve are arranged on a sand discharging pipeline 9 of the slurry discharging pipeline, so that the discharging amount of the slurry can be accurately controlled; cement and other adhesives are placed in the adhesive storage bin 8, an adhesive discharge valve and a metering and weighing device 11 are arranged at the bottom of the adhesive storage bin 8, the adhesive discharge valve is opened, and discharged cement and other adhesives are weighed to ensure the accurate addition amount of the cement and other adhesives.
The adhesive such as cement and the mortar making sand material enter the mixing bunker to be mixed, when mixing, the mode of two-stage mixing can be adopted to ensure the mixing uniformity, namely, the double horizontal shaft mixer 12 and the high-speed activation mixer 13 are arranged, so that the mixed filling slurry sequentially passes through the double horizontal shaft mixer 12 and the high-speed activation mixer 13, and the mixing uniformity is ensured through the two-stage mixing. Meanwhile, in order to adjust the concentration of the filling slurry in time, the corresponding concentration adjusting flushing pipeline 14 can be arranged, the concentration adjusting flushing pipeline 14 is connected with a water pipe, and the control valve on the water pipe is opened, so that the concentration of the filling slurry can be conveniently adjusted to adapt to the whole filling process.
And after filling slurry with proper concentration is prepared, conveying the filling slurry into a mine pit, and finishing the tailing filling process after the filling slurry is solidified and air-dried.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, but all the insubstantial modifications or changes made within the spirit and scope of the main design of the present invention, which still solve the technical problems consistent with the present invention, should be included in the scope of the present invention.
Claims (10)
1. An iron mine tailing filling process is characterized in that: the method comprises the following process steps:
s1: uniformly crushing tailings generated in the process of mining iron ores, and preparing tailing slurry;
s2: conveying the iron ore tailing slurry into a sand silo for overflow settling separation; wherein, the sand material is deposited at the bottom of the sand silo, and the clear liquid flows out from an overflow port at the top of the sand silo;
s3: opening a sand discharging valve at the bottom of the sand silo, and opening a slurry making and condensation preventing device at the bottom of the sand silo to discharge sand deposited in the sand silo into a mixed material bin from the sand discharging valve in a slurry form;
s4: opening an adhesive discharging valve at the bottom of the adhesive storage bin, metering by a metering and weighing device, and conveying to a mixing bin to be stirred and mixed with the sand slurry in the step S3 to prepare filling slurry;
s5: conveying and filling the slurry formed after stirring and mixing in the step S3 into a mined pit;
s6: and finishing filling after the filling slurry is solidified.
2. The iron mine tailing filling process according to claim 1, characterized in that: in step S2, a buffering speed reducer is arranged in the sand silo, so that kinetic energy and speed of tailing slurry entering the sand silo are reduced, disturbance of clarified liquid in the sand silo is reduced, clarification quality of the clarified liquid is improved, and loss of sand is reduced.
3. The iron mine tailing filling process according to claim 2, characterized in that: the buffering speed reducer comprises a device body with a tubular structure and a flange which is arranged on the device body and used for connection; the device body comprises an outer pipe and a filter cloth layer, wherein the outer pipe is composed of a steel wire mesh, the filter cloth layer is arranged in the outer pipe, and water seepage can be achieved.
4. The iron mine tailing filling process according to claim 1 or 3, wherein: in the step S2, when the tailing slurry enters the sand silo, a flocculating agent is added to the tailing slurry, so as to improve the settling velocity and the settling efficiency of the tailing slurry in the sand silo; and an isolation device is arranged in the sand silo and is used for isolating the feeding position of the tailing slurry from the upper part of the clarified liquid in the sand silo and reducing the disturbance of the tailing slurry to the clarified liquid.
5. The iron mine tailing filling process according to claim 4, wherein the iron mine tailing filling process comprises the following steps: the slurry making and anti-coagulation device in the step S3 comprises a slurry making ring pipe fixed at the bottom of the sand silo, a slurry making ball spray arranged on the slurry making ring pipe, a sand material disturbance device fixed at the bottom of the sand silo and positioned in the slurry making ring pipe, a high-pressure spray pipe connected with the slurry making ring pipe and the sand material disturbance device, and a slurry making pipe pump connected with the high-pressure spray pipe.
6. The iron mine tailing filling process according to claim 5, wherein the iron mine tailing filling process comprises the following steps: the sand material disturbing device comprises a device main body connected with the high-pressure spray pipe, and a disturbing nozzle and a disturbing spray ball arranged on the device main body.
7. The iron mine tailing filling process according to claim 1 or 6, wherein: the adhesive in the step S4 is cement, and when the mixing is performed in the step S4, the two-stage continuous mixing is performed by using a double horizontal shaft mixer and a high-speed activation mixer.
8. The iron mine tailing filling process according to claim 1 or 6, wherein: in the step S2, the supernatant liquid overflowing from the sand silo is recycled to the slurry making water in the preparation of the tailing slurry in the step S1.
9. The iron mine tailing filling process according to claim 8, wherein the iron mine tailing filling process comprises the following steps: the sand discharge and discharge pipeline in the step S3 is further provided with a flow meter and a regulating valve.
10. The iron mine tailing filling process according to claim 9, wherein: in step S4, when the filling slurry is prepared, a corresponding concentration-adjusting flushing line is also provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111164431.8A CN113898405B (en) | 2021-09-30 | 2021-09-30 | Iron mine tailing filling process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111164431.8A CN113898405B (en) | 2021-09-30 | 2021-09-30 | Iron mine tailing filling process |
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| CN113898405A true CN113898405A (en) | 2022-01-07 |
| CN113898405B CN113898405B (en) | 2022-09-06 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204034334U (en) * | 2014-08-20 | 2014-12-24 | 中冶北方（大连）工程技术有限公司 | Filling system sand storehouse material feeding system |
| CN204738840U (en) * | 2015-04-01 | 2015-11-04 | 巴彦淖尔西部铜业有限公司 | Thick liquid device is made to underground mine consolidated fill |
| CN105525945A (en) * | 2016-01-18 | 2016-04-27 | 河北钢铁集团矿业有限公司 | High-concentration full-tailing cementing continuous filling device and method |
| CN206092059U (en) * | 2016-10-19 | 2017-04-12 | 浙江富冶集团有限公司 | Vertical sand silo with clarification structure |
| CN210289798U (en) * | 2019-08-12 | 2020-04-10 | 贵州紫金矿业股份有限公司 | Grouting system |
| CN112756103A (en) * | 2020-11-27 | 2021-05-07 | 泗水惠丰农业开发工程有限公司 | Method for processing fine sand by mixing iron tailings and crusher-made sand |
-
2021
- 2021-09-30 CN CN202111164431.8A patent/CN113898405B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204034334U (en) * | 2014-08-20 | 2014-12-24 | 中冶北方（大连）工程技术有限公司 | Filling system sand storehouse material feeding system |
| CN204738840U (en) * | 2015-04-01 | 2015-11-04 | 巴彦淖尔西部铜业有限公司 | Thick liquid device is made to underground mine consolidated fill |
| CN105525945A (en) * | 2016-01-18 | 2016-04-27 | 河北钢铁集团矿业有限公司 | High-concentration full-tailing cementing continuous filling device and method |
| CN206092059U (en) * | 2016-10-19 | 2017-04-12 | 浙江富冶集团有限公司 | Vertical sand silo with clarification structure |
| CN210289798U (en) * | 2019-08-12 | 2020-04-10 | 贵州紫金矿业股份有限公司 | Grouting system |
| CN112756103A (en) * | 2020-11-27 | 2021-05-07 | 泗水惠丰农业开发工程有限公司 | Method for processing fine sand by mixing iron tailings and crusher-made sand |
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| Publication number | Publication date |
|---|---|
| CN113898405B (en) | 2022-09-06 |
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