CN104860560A - Rock-peeling gangue dry-process desliming method - Google Patents
Rock-peeling gangue dry-process desliming method Download PDFInfo
- Publication number
- CN104860560A CN104860560A CN201510237987.3A CN201510237987A CN104860560A CN 104860560 A CN104860560 A CN 104860560A CN 201510237987 A CN201510237987 A CN 201510237987A CN 104860560 A CN104860560 A CN 104860560A
- Authority
- CN
- China
- Prior art keywords
- mine tailing
- desliming
- rock
- rubble
- stripping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a rock-peeling gangue dry-process desliming method. A desliming agent is added into a dug gangue region and is uniformly mixed, and then is subjected to the steps of standing, crushing and sieving. A soil curing principle is applied to exploration and machining of rock-peeling gangues; the desliming agent is added so that the shape and appearance of a crushed stone product can be remarkably improved, and the mud residues can be greatly reduced; the mud content index meets the requirements of II-type products in GB/t14685-2011 and above. The method disclosed by the invention is a dry-process process so that water for washing crushed stones can be greatly reduced and water resources are saved; the method has obvious environmental benefits and social benefits, and has particularly remarkable effects on arid regions lack of the water resources.
Description
Technical field
The invention belongs to solid waste resource recovery and utilize technical field, be specifically related to a kind of stripping rock mine tailing dry method Desliming method.
Background technology
Need in concrete works to use the rubble of various size as coarse aggregate in a large number, and require rubble surface clean, without residual silt.This mainly because, Specific Surface Area of Sediment is larger, when being mixed in concrete mixture, easily react prior to the powder agglutination material in crushed stone aggregate and concrete, Binder Phase is made preferentially to be created between little sand grain, consume a certain amount of agglutination material, cause the generation of Binder Phase between macrobead rough aggregate interface not enough, concrete structural strength and construction quality are had a significant impact.Therefore, need in concrete works to use cleaner rubble, silt content and clod content need meet GB/T14685-2011 related request.Need wash for silt content and clod content rubble resource not up to standard and can use after drying.Therefore, on market, clean rubble specific viscosity exceeds much with the rubble price of earth.
In recent years; persistently overheating along with Real estate industry; need consume a large amount of building stones resources every year; havoc physical environment; country is conservation of nature environment and carries out real estate macro adjustments and controls; limit the exploitation to natural rock resource, at present, a large amount of building stones demand for building turns on seeks secondary resource.
Stripping rock mine tailing is a kind of solid waste produced in opencast mining process.In the open before the exploitated ore of ore deposit, need that layer of rock covered on ore (lean ore that mineral content is less) and the soil on earth's surface to peel off, this process is called stripping rock.The mixture that large-scale mine peels rock and the earth come is piled up as mine tailing, is not used effectively, and defines the stripping rock mine tailing mountain of tens meters high throughout the year, can be used as important building stones secondary resource after accumulation month after month.The existing stripping rock mine tailing production practice usually direct stripping rock mine tailing by excavation carries out fragmentation and screening.Under the impact of mechanical external force adjoint in broken, screening process, most rock can sub-elect rubble product and tail mud with earth natural separation.But practice shows, there is part rubble surface adhesion to have a small amount of earth all the time, be separated not thorough, affect rubble Total Product silt content.Silt content is not up to standard is the important factor restricting rubble product price.
Resale after using large water gaging to be rinsed well by rubble and can improve its price, but can produce a large amount of waste water in flushing process, arrange problem, meanwhile, lacking the production zone at water source outside existing, washing is also difficult to carry out.
Summary of the invention
Object of the present invention is exactly for above-mentioned defect, a kind of stripping rock mine tailing dry method Desliming method is provided, crushing and screening is carried out again by adding a certain amount of desliming agent in stripping rock mine tailing raw material, can obtain the crushed stone material of high-quality under the condition without the need to rinsing with water, silt content meets the above requirement of II class product in GB/t14685-2011.
For achieving the above object, stripping rock mine tailing dry method Desliming method involved in the present invention, comprises the steps:
1) according to rubble total amount and the tail mud total amount of tail end generation in stripping in the early stage rock mine tailing exploitation course of processing, estimate the earth total amount in this excavation mine tailing region, add desliming agent by 5.0% ~ 20.0% of excavation mine tailing region earth total amount to excavation mine tailing region;
2) excavate mine tailing region, and the mine tailing of excavation is mixed with desliming agent;
3) mine tailing that digs out mixed is left standstill 4 ~ 18h at normal temperatures, desliming agent and the mud particles of digging out in mine tailing are fully reacted;
4) after time of repose abundance, will dig out in mine tailing loading crusher and carry out fragmentation;
5) rubble after fragmentation and the mixture of earth enter vibrating screen, the part of diameter <5.0mm is collected as tail mud, the part of diameter >5.0mm further according to demand multistage screening obtain each size and earth removes clean crushed stone material.
Further, the formula of described desliming agent is the one in unslaked lime or digestion lime, or be the mixture that unslaked lime and digestion lime two kinds of arbitrary proportions combine; The weight content of described desliming agent composition is characterized as: calcium oxide CaO% >=80.0%; The grain size characteristic of described desliming agent is: total mass >=80.0% of the following particle of 200 order.
Further, described step 1) in, the tail mud total amount in stripping in early stage rock mine tailing is not more than 25 percent of tail mud and rubble quality summation.
Further, described step 1) in, natural moisture content >=5.0% of tail mud in stripping in early stage rock mine tailing.
Further, described step 1) in, the add-on of desliming agent is 10.0% ~ 15.0% of earth total amount in excavation mine tailing region.
Further, described step 3) in, under normal temperature, time of repose is 6 ~ 8 hours.
The principle of dry method desliming technology utilizes desliming agent to the solidification of soil, hydrated silicate class Binder Phase is produced between soil particle, enhance the structural strength of rock surface dirt bed, rock is easily separated with rock body with consolidation body in screening process in fragmentation.Soil and stone interface mainly physical adsorption interact, and without Chemical bond, its bonding force are designated as σ
1, the bonding force between rock surface dirt bed soil particle is designated as σ simultaneously
2.As shown in Figure 1, when not adding desliming agent, the bonding force between soil particle also based on physisorption, then σ
1with σ
2quite, σ
1≈ σ
2.In external force impact process, surperficial dirt bed self structure intensity is suitable with interface, and fracture can occur in any position of total body, and dirt bed fragmentation, causes earth to be separated not exclusively with rock.As shown in Figure 2, after adding desliming agent, between soil particle, Binder Phase is produced, σ
2change chemical binding force into, and σ
1< σ
2.Because soil and rock interface place are the minimum places of whole material bonding force in external force impact process, the most easily rupture in interface, the soil monoblock sticking to rock surface is come off, and soil is separated comparatively complete with rock.
Compared with prior art, the present invention has the following advantages:
1, the principle of soil solidification is applied to stripping rock mine tailing exploitation processing by the present invention, significantly can improve rubble product appearance looks, significantly reduce earth and remain, and silt content index meeting the above requirement of II class product in GB/t 14685-2011 by adding desliming agent.Laboratory simulation experimental study shows, with natural soil sample for research object, compared with the desliming agent adding earth total mass 10.0% is carried out with the situation of not adding desliming agent, 12 hours are at time of repose, when shock height is identical with number of times, average residual mud rate is reduced to 1.04% by 2.65%, and desliming accepted product percentage brings up to 82.7% by 30.0%.
2, method involved in the present invention is dry process, can reduce rubble wash water in a large number, saving water resource, have obvious environmental benefit and social benefit, and the arid area lacked water resources is particularly remarkable.
Accompanying drawing explanation
Fig. 1 ~ Fig. 2 is that the present invention shells rock mine tailing dry method Desliming method principle schematic;
Fig. 3 is the schema that the present invention shells rock mine tailing dry method Desliming method;
Fig. 4 is stripping rock mine tailing photo figure;
Fig. 5 is the rubble photo figure after Fig. 4 adopts the present invention to shell the screening of rock mine tailing dry method Desliming method removal earth;
Fig. 6 ~ Figure 13 is the impact that in embodiment, desliming agent incorporation distributes on the residual mud rate of rubble;
Figure 14 is the residual mud rate of average rubble in embodiment under different desliming agent incorporation and desliming accepted product percentage graphic representation;
Figure 15 ~ Figure 22 be in embodiment the desliming agent reaction times on the impact of rubble residual mud rate distribution;
Figure 23 is the residual mud rate of average rubble in embodiment under the differential responses time and desliming accepted product percentage graphic representation.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, is convenient to more clearly understand the present invention, but they do not form restriction to the present invention.
Fig. 3 is the schema that the present invention shells rock mine tailing dry method Desliming method.
Embodiment 1
The rubble total amount that in stripping in the early stage rock mine tailing exploitation course of processing, tail end produces and tail mud total amount are about 8:1 (containing soil amount 11.1%), estimate that this excavation mine tailing region (30m × 20m × 1m) earth and rubble total amount are about 900 tons, wherein earth total amount is about 100 tons, adds in the ratio of excavation mine tailing region earth total amount 10% the desliming agent that total amount is 10 tons;
Usage mining machine first excavates the hollow place of a 3m × 3m × 1m in this excavation mine tailing regional center position, 10 tons of desliming agent are added wherein, re-use forklift and excavator to coordinate repeated multiple times the piling up of mine tailing in this excavation mine tailing region is shakeout, until desliming agent mixes with the mine tailing of excavation again;
The mine tailing that digs out mixed is left standstill 6 hours at normal temperatures, desliming agent and the mud particles of digging out in mine tailing are fully reacted;
After time of repose abundance, usage mining machine will dig out in mine tailing loading crusher and carry out fragmentation;
Rubble after fragmentation and the mixture of earth enter vibrating screen by belt, the part of diameter <5.0mm is collected as tail mud, the part of diameter >5.0mm further according to demand multistage screening obtain each size and silt removes clean crushed stone material.
Carry out sampling and testing according to method described in GB/T14685-2011 to the silt content that this produces rubble, silt content is 0.48%, and clod content is 0.0%, meets the requirement of I class product.
Embodiment 2
The rubble total amount that in stripping in the early stage rock mine tailing exploitation course of processing, tail end produces and tail mud total amount are about 6:1 (containing soil amount 14.3%), estimate that this excavation mine tailing region (30m × 30m × 1m) earth and rubble total amount are about 1350 tons, wherein earth total amount is about 193 tons, adds in the ratio of excavation mine tailing region earth total amount 15% the desliming agent that total amount is 29 tons;
Usage mining machine first excavates the hollow place of a 5m × 5m × 1m in this excavation mine tailing regional center position, 29 tons of desliming agent are added wherein, re-use forklift and excavator to coordinate repeated multiple times the piling up of mine tailing in this excavation mine tailing region is shakeout, until desliming agent mixes with the mine tailing of excavation again;
The mine tailing that digs out mixed is left standstill 8 hours at normal temperatures, desliming agent and the mud particles of digging out in mine tailing are fully reacted;
After time of repose abundance, usage mining machine will dig out in mine tailing loading crusher and carry out fragmentation;
Rubble after fragmentation and the mixture of earth enter vibrating screen by belt, the part of diameter <5.0mm is collected as tail mud, the part of diameter >5.0mm further according to demand multistage screening obtain each size and silt removes clean crushed stone material.
Carry out sampling and testing according to method described in GB/T14685-2011 to the silt content that this produces rubble, silt content is 0.62%, and clod content is 0.0%, meets the requirement of II class product.
Embodiment 3:
The rubble total amount that in stripping in the early stage rock mine tailing exploitation course of processing, tail end produces and tail mud total amount are about 4:1 (containing soil amount 20.0%), estimate that this excavation mine tailing region (20m × 20m × 1m) earth and rubble total amount are about 600 tons, wherein earth total amount is about 120 tons, adds in the ratio of excavation mine tailing region earth total amount 20% the desliming agent that total amount is 24 tons;
Usage mining machine first excavates the hollow place of a 5m × 5m × 1m in this excavation mine tailing regional center position, 24 tons of desliming agent are added wherein, re-use forklift and excavator to coordinate repeated multiple times the piling up of mine tailing in this excavation mine tailing region is shakeout, until desliming agent mixes with the mine tailing of excavation again;
The mine tailing that digs out mixed is left standstill 12 hours at normal temperatures, desliming agent and the mud particles of digging out in mine tailing are fully reacted;
After time of repose abundance, usage mining machine will dig out in mine tailing loading crusher and carry out fragmentation;
Rubble after fragmentation and the mixture of earth enter vibrating screen by belt, the part of diameter <5.0mm is collected as tail mud, the part of diameter >5.0mm further according to demand multistage screening obtain each size and silt removes clean crushed stone material.
Carry out sampling and testing according to method described in GB/t14685-2011 to the silt content that this produces rubble, silt content is 0.77%, and clod content is 0.0%, meets the requirement of II class product.
Be illustrated in figure 4 surface mine stripping rock mine tailing photo figure, Fig. 5 shells the rubble photo figure after the screening of rock mine tailing dry method Desliming method removal earth through the present invention, and as seen from Figure 5, its silt content can reach the above standard of II class in GB/t 14685-2011.
Therefore, apply the rubble that dry method Desliming method involved in the present invention is produced, its silt content can reach the above standard price of II class in GB/t 14685-2011 can reach 50 ~ 70 yuan/ton.In cost, in stripping rock mine tailing, the ratio of Soil and Rock changes along with the change of production zone, Bao Yan mining tailing wasteland, the lime ore deposit generally rock/native weight ratio of certain practical application method involved in the present invention is about 8 ︰ 1, use desliming agent per ton can produce about 80 tons of high-quality rubbles, then desliming agent application increase production cost is about 2 ~ 4 yuan/ton.Calculate with this, for the Bao Yan mine tailing source mill producing high-quality rubble for building 200,000 tons per year, effect about 400 ~ 6,000,000 yuan can be created every year, remarkable in economical benefits.
Laboratory simulation research below in conjunction with dry method desliming process is described in further detail principle of the present invention, is convenient to science and the technical characteristic of more clearly understanding method involved in the present invention.
The basic scientific basis of dry method Desliming method involved in the present invention is the solidification of desliming agent to soil.Desliming agent is a kind of alkaline matter of calcium base, and it can with the SiO in soil
2and Al
2o
3deng material and moisture content react generate hydrosilicate, aluminate, these newly-generated compounds form Binder Phase between soil particle.For these chemical reactions, the volume (concentration) of alkaline matter and reaction times are that the key of carrying out is reacted in impact, are the crucial Con trolling index of Binder Phase formation volume.In addition, the moisture in soil is that reaction provides necessary medium.Generally, outdoor stripping rock mine tailing mountain naturally will keep certain water content in its soil when rainy, except area arid especially, generally there will not be the situation that soil is dry especially.For the sand of complete drying, present method is inapplicable, therefore, the present invention to the natural moisture content of tail mud in stripping rock mine tailing be defined as >=5.0%.
In the lab, with the earth in certain random site brown natural soil sample simulation mine tailing mountain in our unit, with the rock in the common building rubble that market is bought simulation mine tailing mountain, simulate the external impacts in broken and screening process by the method for drop impact, research desliming agent volume and reaction times are on the impact of desliming effect.
1. desliming agent volume is tested the impact of desliming effect
Get about 50, rubble sample, quality is 10.0 ± 2.0g, and rubble sample quality is consistent as far as possible.Rubble water cleaned up and is placed in 105 DEG C of baking ovens, drying to constant weight, after cooling, recording the quality w of every rubble
0.
Got natural soil sample is crossed 3.0mm mesh screen, is separated the impurity such as handstone wherein and tree root.
Get the lower pedotheque of sieve and separate 7 parts by 300.0g/ part, add desliming agent 0g and 150mL water furnishing mud respectively.Rubble is dropped in mud, make mud slurry uniform be wrapped in rubble surface, take out, leave standstill, natural air drying 12h under normal temperature.Record air-dry rear every quality w wrapping up in mud rubble sample
1.
At overhead 1.8m place, will wrap up in mud rubble sample and freely fall, fall within the metal bucket of ground, carry out drop impact experiment, number of shocks is fixed as 5 times, the quality w of every rubble after record impacts
2.
Every is wrapped up in mud rubble sample to impact successively, and record all experimental datas.
After experiment terminates, rubble is carefully rinsed well, and be placed in 105 DEG C of baking ovens and dry to constant weight, reuse.Unspent mud discards.
Other condition experiment condition is constant, and changing desliming agent add-on is 7.5g, 15.0g, 22.5g, 30.0g, 45.0g, 60.0g, 90.0g, repeats above step, records all experimental datas.
From describing above, be wrapped in the earth quality of rubble sample surfaces for (w
1-w
0), the earth quality come off is (w
1-w
2), residual earth quality is (w
2-w
0), following judgement criteria is defined for experiment effect:
For earth amount residual in rubble after treatment, the concept of residual mud rate is used in this experiment, it is different from the testing method of silt content described in GB/t14685-2011, therefore distinguished, the definition of desliming accepted product percentage with reference to silt content amount III class standard in this GB, and these two concepts are for single research object.
Fig. 4 ~ Figure 11 is that whole eight groups of experiment all samples residual mud rate distribution situations gather, and from Fig. 3 ~ Figure 10, along with the increase of desliming agent incorporation, the distribution of rubble residual mud rate is moved to low remaining rate direction gradually, and the rubble quantity of residual mud rate≤1.5% increases gradually.
The residual mud rate of average rubble under table 1. different desliming agent incorporation and desliming accepted product percentage
| Numbering | Desliming agent volume | The residual mud rate/% of average rubble | Desliming accepted product percentage/% |
| 1 | 0:100 | 2.65％ | 30.0％ |
| 2 | 2.5:100 | 1.86％ | 53.8％ |
| 3 | 5:100 | 1.38％ | 73.6％ |
| 4 | 7.5:100 | 1.29％ | 75.5％ |
| 5 | 10:100 | 1.05％ | 82.7％ |
| 6 | 15:100 | 0.88％ | 90.4％ |
| 7 | 20:100 | 0.70％ | 94.0％ |
| 8 | 30:100 | 0.47％ | 95.6％ |
Average residual mud rate and the desliming accepted product percentage of each group of experiment the results are shown in table 1 and Figure 12 (the residual mud rate of average rubble under different desliming agent incorporation and desliming accepted product percentage graphic representation).Desliming agent incorporation is increased in the process of 30:100 by 0:100, and average residual mud rate is reduced to 0.47% by 2.65%, and desliming accepted product percentage brings up to 95.6% by 30.0%.When desliming agent volume≤10.0%, average residual mud rate and the change of desliming accepted product percentage index are comparatively fast, increase desliming agent usage quantity and can effectively improve desliming effect, and when desliming agent volume >=15.0%, average residual mud rate and desliming accepted product percentage index change milder, continue to improve desliming agent consumption and can not significantly improve desliming effect, therefore reasonably desliming agent incorporation should between 10% ~ 15%.
2. the desliming agent reaction times tests the impact of desliming effect
Get about 50, rubble sample, quality is 10.0 ± 2.0g, and rubble sample quality is consistent as far as possible.Rubble water cleaned up and is placed in 105 DEG C of baking ovens, drying to constant weight, after cooling, recording the quality w of every rubble
0.
Got natural soil sample is crossed 3.0mm mesh screen, is separated the impurity such as handstone wherein and tree root.
Get the lower pedotheque 300.0g of sieve, add desliming agent 45.0g and 150mL water furnishing mud.Rubble is dropped in mud, make mud slurry uniform be wrapped in rubble surface, take out, leaving standstill 0.5h, when the question response time just reaches, being placed in wrapping up in mud rock sample the baking oven rapid drying 1h (termination reaction) being heated to 105 DEG C in advance immediately.The quality w of mud rubble sample is wrapped up in for every after record is dry
1.
At overhead 1.8m place, will wrap up in mud rubble sample and freely fall, fall within the metal bucket of ground, carry out drop impact experiment, number of shocks is fixed as 5 times, the quality w of every rubble after record impacts
2.
Every is wrapped up in mud rubble sample to impact successively, and record all experimental datas.
After experiment terminates, rubble is carefully rinsed well, and be placed in 105 DEG C of baking ovens and dry to constant weight, reuse.Unspent mud discards.
Other condition experiment condition is constant, changes time of repose 1h, 2h, 3h, 4h, 6h, 12h, 24h, repeats above step, record all experimental datas.
Figure 13 ~ Figure 20 is that all experiments all samples residual mud rate distribution situation gathers, and from Figure 12 ~ Figure 19, along with the increase in reaction times, the distribution of rubble residual mud rate is moved to low remaining rate direction gradually, and the rubble quantity of residual mud rate≤1.5% increases gradually.
The residual mud rate of average rubble under the table 2. differential responses time and desliming accepted product percentage
| Numbering | Reaction times | The residual mud rate/% of average rubble | Desliming accepted product percentage/% |
| 1 | 0.5h | 1.64％ | 51.0％ |
| 2 | 1h | 1.40％ | 68.6％ |
| 3 | 2h | 1.28％ | 72.0％ |
| 4 | 3h | 1.06％ | 80.4％ |
| 5 | 4h | 0.98％ | 84.3％ |
| 6 | 6h | 0.88％ | 86.3％ |
| 7 | 12h | 0.87％ | 90.4％ |
| 8 | 24h | 0.82％ | 94.1％ |
Average residual mud rate and the desliming accepted product percentage of each group of experiment the results are shown in table 2 and Figure 21 (the residual mud rate of the average rubble under the differential responses time and desliming accepted product percentage graphic representation).Reaction times is increased in the process of 24h by 0.5h, and average residual mud rate is reduced to 0.82% by 1.64%, and desliming accepted product percentage brings up to 94.1% by 51.0%.< 6 hours when reacted, average residual mud rate and the change of desliming accepted product percentage index are comparatively fast, the increase reaction times can effectively improve desliming effect, and reaction times >=6 hours, comparatively gently, therefore reasonably the reaction times is greater than 6 hours for average residual mud rate and the change of desliming accepted product percentage index.
Claims (6)
1. shell a rock mine tailing dry method Desliming method, it is characterized in that: described dry method Desliming method comprises the steps:
1) according to rubble total amount and the tail mud total amount of tail end generation in stripping in the early stage rock mine tailing exploitation course of processing, estimate the earth total amount in this excavation mine tailing region, add desliming agent by 5.0% ~ 20.0% of excavation mine tailing region earth total amount to excavation mine tailing region;
2) excavate mine tailing region, and the mine tailing of excavation is mixed with desliming agent;
3) mine tailing that digs out mixed is left standstill 4 ~ 18h at normal temperatures, desliming agent and the mud particles of digging out in mine tailing are fully reacted;
4) after time of repose abundance, will dig out in mine tailing loading crusher and carry out fragmentation;
5) rubble after fragmentation and the mixture of earth enter vibrating screen, the part of diameter <5.0mm is collected as tail mud, the part of diameter >5.0mm further according to demand multistage screening obtain each size and earth removes clean crushed stone material.
2. stripping rock mine tailing dry method Desliming method according to claim 1, is characterized in that: the formula of described desliming agent is the one in unslaked lime or digestion lime, or be the mixture that unslaked lime and digestion lime two kinds of arbitrary proportions combine; The weight content of described desliming agent composition is characterized as: calcium oxide CaO% >=80.0%; The grain size characteristic of described desliming agent is: total mass >=80.0% of the following particle of 200 order.
3. stripping rock mine tailing dry method Desliming method according to claim 1 and 2, is characterized in that: described step 1) in, the tail mud total amount in stripping in early stage rock mine tailing is not more than 25 percent of tail mud and rubble quality summation.
4. stripping rock mine tailing dry method Desliming method according to claim 1 and 2, is characterized in that: described step 1) in, natural moisture content >=5.0% of tail mud in stripping in early stage rock mine tailing.
5. stripping rock mine tailing dry method Desliming method according to claim 1 and 2, is characterized in that: described step 1) in, the add-on of desliming agent is 10.0% ~ 15.0% of earth total amount in excavation mine tailing region.
6. stripping rock mine tailing dry method Desliming method according to claim 1 and 2, is characterized in that: described step 3) in, under normal temperature, time of repose is 6 ~ 8 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510237987.3A CN104860560B (en) | 2015-05-12 | 2015-05-12 | Stripping rock mine tailing dry method Desliming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510237987.3A CN104860560B (en) | 2015-05-12 | 2015-05-12 | Stripping rock mine tailing dry method Desliming method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104860560A true CN104860560A (en) | 2015-08-26 |
| CN104860560B CN104860560B (en) | 2016-09-14 |
Family
ID=53906802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510237987.3A Expired - Fee Related CN104860560B (en) | 2015-05-12 | 2015-05-12 | Stripping rock mine tailing dry method Desliming method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104860560B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045359A (en) * | 2016-05-31 | 2016-10-26 | 武汉钢铁股份有限公司 | Stripping rock tailing dry-method desliming method |
| CN106746827A (en) * | 2016-11-18 | 2017-05-31 | 武汉钢铁股份有限公司 | A kind of method of modifying of dry method desliming tail mud and its application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323516A (en) * | 2008-07-14 | 2008-12-17 | 北京航空航天大学 | Rubber modified solidified soil, and preparing and construction method |
| CN101948275A (en) * | 2010-08-26 | 2011-01-19 | 宁波高新区围海工程技术开发有限公司 | Quick sea coating mud consolidation agent |
| CN103058625A (en) * | 2013-01-28 | 2013-04-24 | 陈国坚 | Method for producing environment-friendly building stones by using waste stone powder |
-
2015
- 2015-05-12 CN CN201510237987.3A patent/CN104860560B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323516A (en) * | 2008-07-14 | 2008-12-17 | 北京航空航天大学 | Rubber modified solidified soil, and preparing and construction method |
| CN101948275A (en) * | 2010-08-26 | 2011-01-19 | 宁波高新区围海工程技术开发有限公司 | Quick sea coating mud consolidation agent |
| CN103058625A (en) * | 2013-01-28 | 2013-04-24 | 陈国坚 | Method for producing environment-friendly building stones by using waste stone powder |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045359A (en) * | 2016-05-31 | 2016-10-26 | 武汉钢铁股份有限公司 | Stripping rock tailing dry-method desliming method |
| CN106045359B (en) * | 2016-05-31 | 2018-01-16 | 武汉钢铁有限公司 | One kind stripping rock mine tailing dry method Desliming method |
| CN106746827A (en) * | 2016-11-18 | 2017-05-31 | 武汉钢铁股份有限公司 | A kind of method of modifying of dry method desliming tail mud and its application |
| CN106746827B (en) * | 2016-11-18 | 2019-05-24 | 武汉钢铁有限公司 | A kind of method of modifying of dry method desliming tail mud and its application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104860560B (en) | 2016-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105598143B (en) | Resource mine repairing method | |
| CN108298898A (en) | A kind of method of metal tail slag production dry-mixed mortar | |
| CN104692720B (en) | A kind of copper tailing is non-burning brick and preparation method thereof | |
| CN103801548B (en) | A kind of stepped utilization method of high-sulfur Low-silica iron ore tailings | |
| CN102775084B (en) | A kind of flyash, slag and utilization of coal gangue Application way | |
| CN105601206A (en) | Iron ore waste rock self-compaction concrete | |
| CN104860560A (en) | Rock-peeling gangue dry-process desliming method | |
| CN103193424A (en) | Method for producing pervious concrete through comprehensive utilization of coal gangues | |
| Sabat et al. | Efficacy of dolime fine stabilized red mud-fly ash mixes as subgrade material | |
| CN106187002A (en) | A kind of mine discarded tailing gravity flowing levelling mortar and preparation method thereof | |
| CN102924053B (en) | Attapulgite shale ceramsite sintering porous building block | |
| CN102924115B (en) | Attapulgite, shale and flyash sintered heat-preserving brick | |
| CN102775105A (en) | Mine paste filling aggregate prepared from building waste materials and preparation method of mine paste filling aggregate | |
| Stoops et al. | Micromorphological features and their relation to processes and classification: general guidelines and keys | |
| CN102898181B (en) | Attapulgite-shale construction waste sintered insulating brick | |
| CN111069261A (en) | Process flow for industrially preparing soil through water filtration and purification | |
| CN102863256B (en) | Attapulgite fly ash insulating brick | |
| Mitchell et al. | Minerals from Waste: recent BGS and Tarmac experience in finding uses for mine and quarry waste | |
| CN107352963A (en) | The method of ceramic is made using shale minerals as ceramic material of primary raw material and preparation method thereof and with it | |
| CN107857525A (en) | One kind filling water protection mining filler and its application | |
| CN102924102B (en) | Attapulgite and shale sintered refractory heat-preserving brick | |
| CN106045359B (en) | One kind stripping rock mine tailing dry method Desliming method | |
| CN102924101B (en) | Attapulgite and shale sintered refractory heat-preserving block | |
| CN102951910B (en) | Attapulgite-volcaniclastic-rock schamotte brick | |
| CN102863237B (en) | Argillaceous refractory attapulgite volcaniclastic-rock aggregate sand |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170802 Address after: 430083, Hubei Wuhan Qingshan District Factory No. 2 Gate joint stock company organs Patentee after: WUHAN IRON AND STEEL Co.,Ltd. Address before: 430080 Wuchang, Hubei Friendship Road, No. A, block, floor 999, 15 Patentee before: WUHAN IRON AND STEEL (GROUP) Corp. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 |