CN110171944A - Ion type rare earth seepage-proofing grouting material and preparation method thereof - Google Patents
Ion type rare earth seepage-proofing grouting material and preparation method thereof Download PDFInfo
- Publication number
- CN110171944A CN110171944A CN201910337715.9A CN201910337715A CN110171944A CN 110171944 A CN110171944 A CN 110171944A CN 201910337715 A CN201910337715 A CN 201910337715A CN 110171944 A CN110171944 A CN 110171944A
- Authority
- CN
- China
- Prior art keywords
- parts
- grouting material
- water
- ion type
- cement
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
- C04B28/065—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
Abstract
The invention discloses an ionic rare earth anti-seepage grouting material and a preparation method thereof, wherein the material comprises the following components in parts by weight: 50-60 parts of fine clay mineral, 15-25 parts of cement, 35-50 parts of water, 3-5 parts of an exciting agent and 2-3 parts of a composite additive; wherein the composite additive comprises 0.1-2 parts of retarder and 0.1-2 parts of water reducing agent. The preparation method of the material comprises the following steps: the method comprises the steps of preparing fine-grain clay mineral ore pulp by taking basic construction soil slag and waste tailings of the ionic rare earth mine as raw materials, gradually adding cement, a composite additive, a water reducing agent and an exciting agent into the ore pulp, and stirring to obtain the grouting material with good fluidity, high stability and low cost. The seepage-proofing grouting material has the advantages of good stability, long storage time, adjustable setting time and compressive strength and the like, and can be popularized and applied as a preferred material for the seepage-proofing grouting engineering of the ionic rare earth mine bedrock baseplate cracks.
Description
Technical field
The invention belongs to in-situ ionic rare earth production technique fields, and in particular to a kind of ion type rareearth antiseepage grouting material
Material and preparation method thereof.
Background technique
Ion type rareearth ore also known as weathered superficial leaching rare-earth ore, be rich in rare earth element granite through long-term external force
Matter acts on lower dissolution, migration, and the kaolin, illiteracy before absorption is deposited under the conditions of proper environment in earth's surface granite weathering crust are de-
Ore body is formed in the clay minerals such as stone, illite.Long-term ion type rareearth ore mining Practice experience have shown that, Situ Leaching technique
Neither overburden removing earthing, does not also excavate ore body, is the mining method of high-efficiency and economic the most.
But during the extensive use of ionic type rare earth ore in-situ extract technology, mass production enterprise is to pursue warp
Ji benefit ignores development degree and the integrality exploration to mine basement rock bottom plate, only between completely decomposed shell and half weathering crust
It constructs simple hydrops pipeline/tunnel (the extremely low false bottom of antiseepage coefficient), a large amount of leachates is caused to leak in recovery process, waste
Also mining area Soil Surrounding and water body are caused seriously to pollute while the rare earth resources of preciousness.Therefore, it is necessary to mining area base
On the basis of the detailed prospecting of the integrality of rock bottom plate, permeability and underground hydrological condition, the construction fracture of basement rock bottom plate is carried out
The manual repair of band and relief joint region, and then Extraction of rare earth resource support socio-economic development.
Slip casting method is by certain curable slurries injections loosely containing sand or aquifer water-bearing stratum, the rock stratum containing crack, solution cavity, broken
Broken band is to improve the method for its physico-mechanical properties.Cementing, ponding is played after slurries condensation cure, reach firm stratum and
The purpose of leakage blocking and seepage-proofing.Common injecting paste material has cement grout, chemical grout and mixed serum, in the anti-of ion rare-earth mining area
Seep the disadvantages of poor using above-mentioned homogenous material there are material utilization amounts big, at high cost and pulp stability in Process of Leaking Stoppage.There is mirror
Contain a large amount of clay mineral in rare-earth mining area, the injecting paste materials dosage such as cement, chemistry can be reduced if it can be used as injecting paste material,
With significant economic advantages.
Summary of the invention
It is the grouting water-tight of basement rock floor crack the purpose of the present invention is utilizing a large amount of clay minerals in ion type rareearth mining area
A kind of ion type rareearth antiseepage grouting material and preparation method thereof is provided, the material flowability is good, stability is high, low in cost,
It can be effective for present ionic type rare earth ore in-situ extract technology.
To solve the problems, such as that above-mentioned utilization clay mineral prepares injecting paste material, technical scheme is as follows:
A kind of ion type rareearth antiseepage grouting material, component and proportion are as follows: 50-60 parts of particulate clay mineral, cement 15-25
Part, 35-50 parts of water, 3-5 parts of exciting agent, 2-3 parts of compound additive；Wherein compound additive is retarder 0.1-2 parts, water-reducing agent
0.1-2 parts.
In above-mentioned injecting paste material component, particulate clay mineral is mainly kaolin, montmorillonite and illitic arbitrary proportion
Mixture is specifically dilute by ionic including can be single kaolin or single montmorillonite or single illite
It is extracted in the capital construction soil slag or discarded tailing in native mining area；Portland cement can be used in cement, and aluminate or sulphur aluminic acid can also be used
Salt cement；Sodium tripolyphosphate can be used in retarder, and hydroxycarboxylate can also be used；Naphthalene sulfonate water-reducing agent can be used in water-reducing agent,
Fatty acid series or polycarboxylate high-efficiency water-reducing agent can also be used；Exciting agent is waterglass of the modulus in 1.0-2.5.
Prepare above-mentioned ion type rareearth antiseepage grouting material the preparation method is as follows:
Step 1, capital construction soil slag or discarded tailing isolate stone and coarse grain sundries under hydraulic blow and shaking-sieving effect；
Dispersing agent is added in mud under sieve to be stirred and size mixing, and isolates vegetation slag, the dispersing agent being added herein is hexa metaphosphoric acid
Sodium；Mud is subjected to Multi-stage spiral classification, separates beading clay mineral and coarse quartz grain, feldspar etc.；
The clay mineral slurries that solid concentration is made in the particulate clay mineral isolated are spare, and overflow water is as flushing water reuse；
Coarse quartz grain, feldspar for isolating etc. are used as plant area's capital construction sand material after being separated by solid-liquid separation, and liquid is as flushing water reuse；
Retarder and water-reducing agent are mixed evenly to prepare by step 2 according to the above ratio (0.1-2 parts of retarder, 0.1-2 parts of water-reducing agent)
Compound additive is spare；
Clay mineral slurries manufactured in step 1 are delivered in multiple stage material compounding mixing plant by step 3, first by described heavy
Amount number proportion is added cement and stirs and evenly mixs, and the compound additive being then added in step 2 simultaneously stirs and evenly mixs, and finally presses institute
It states parts by weight proportion addition exciting agent to stir and evenly mix, i.e. acquisition antiseepage grouting material.
Beneficial effects of the present invention are as follows:
The present invention makes full use of ion rare-earth mining area largely existing clay mineral, using capital construction soil slag and discarded tailing as raw material,
It is processed into the main component of antiseepage grouting material based on the characteristics of clay mineral " fine size, easily dispersion ", reduces cement use
Amount has the characteristics that reduction antiseepage grouting material cost and easy to operate；Meanwhile the antiseepage grouting material being prepared, have
The advantages that stability is good, the resting period is long, setting time and compression strength are adjustable, can be used as ion type rareearth mine basement rock bottom
The preferred material of plate crack antiseepage grouting engineering promotes and applies.
Detailed description of the invention
Fig. 1 is material preparation process flow diagram of the invention；
Wherein, appended drawing reference are as follows: 1- waterpower shaking-sieving equipment, 2- stirring size mixing equipment, 3- Multi-stage spiral classifying equipoment, 4- are solid
Liquid separation equipment, the dense concentrator of 5-, 6- multiple stage material compounding mixing plant, 7- water storage device.
Specific embodiment
It is further elaborated below in conjunction with embodiment, the purpose of the present invention and preparation flow is illustrated more
Add clear.It should be noted that example as described below is not intended to limit the present invention only to illustrate the content of present invention.
As shown in Figure 1, the embodiment for specifically preparing the ion type rareearth antiseepage grouting material is as follows:
Firstly, by ion rare-earth mining area soil slag or tailing clear water rinse, sieve in waterpower shaking-sieving equipment 1, reject
The stone and coarse grain sundries of 5mm or more sieves lower mud and goes to stirring size mixing equipment 2；
Secondly, adding clear water in stirring size mixing equipment 2 and adding dispersing agent, design pressure is pressed by slush pump after stirring 30min
It is delivered in Multi-stage spiral classifying equipoment 3, by the particulate clay mineral and coarse grain stone in mud under centrifugal force and gravity
The separation such as English, feldspar.
Again, the sedimentation concentration in dense concentrator 5 of the slurries after separation based on particulate clay mineral is prepared into solid
The slurries of body content 60%, overflow water are delivered to 7 reuse of water storage device；Slurries after separation based on particulate clay mineral are solid
It is separated in liquid separation equipment 4, obtains the building sand material rich in quartzy feldspar, liquid is delivered to 7 reuse of water storage device.
Finally, the slurries of above-mentioned solid content 60% are delivered to multiple stage material compounding mixing plant 6, gradually unit is added in stirring
20% cement of slurries amount accounting, 2.5% compound additive and 4% exciting agent, that is, obtain for ion type rareearth mine basement rock
Floor crack antiseepage injecting paste material, obtained ion type rareearth antiseepage grouting material, component and proportion are as follows: particulate clay
50-60 parts of mineral, 15-25 parts of cement, 35-50 parts of water, 3-5 parts of exciting agent, 2-3 parts of compound additive；Wherein compound additive
It is 0.1-2 parts of retarder, 0.1-2 parts of water-reducing agent.
In above-mentioned injecting paste material component, particulate clay mineral is mainly kaolin, montmorillonite and illitic mixture, by
It is extracted in the capital construction soil slag or discarded tailing in ion type rareearth mining area；Portland cement can be used in cement, and aluminate can also be used
Or sulphate aluminium cement；Sodium tripolyphosphate can be used in retarder, and hydroxycarboxylate can also be used；Naphthalene sulfonate can be used in water-reducing agent
Fatty acid series or polycarboxylate high-efficiency water-reducing agent can also be used in water-reducing agent；Exciting agent is waterglass of the modulus in 1.0-2.5；
Dispersing agent is calgon.
It should be understood that those skilled in the art can adjust above-mentioned clay slurries solid content and water as needed
The adding proportion of mud, compound additive, exciting agent, to meet resting period length, setting time and the compression strength of requirement of engineering.
Slurries conveying in above-mentioned injecting paste material preparation process is all made of Pulp pump/high head gravity flow, and the waterpower shaking-sieving equipment 1 can
To be the multilayer linear vibration screen with hydrodynamic cleaning, the stirring size mixing equipment 2 can be the agitator of belt scraping plate, the multistage
Cyclone classification equipment 3 is spiral chute or hydrocyclone, and the dense concentrator 5 is settling tank/concentrator, the solid-liquid
Separation equipment 4 is sedimentation basin/filter press, and the water storage device 7 is pond/sink, and the multiple stage material compounding mixing plant 6 is that band adds
Expect the agitator of device.
Claims (8)
1. a kind of ion type rareearth antiseepage grouting material, which is characterized in that component contained by the material and parts by weight proportion are as follows: thin
50-60 parts of clay mineral, 15-25 parts of cement, 35-50 parts of water, 3-5 parts of exciting agent, 2-3 parts of compound additive of grain；It is wherein compound
Additive is retarder 0.1-2 parts, 0.1-2 parts of water-reducing agent.
2. a kind of ion type rareearth antiseepage grouting material according to claim 1, which is characterized in that the particulate clay mine
For object by extracting in the capital construction soil slag or discarded tailing in ion type rareearth mining area, particulate clay mineral is the height mixed in any proportion
Ridge soil, montmorillonite and illitic arbitrary proportion mixture.
3. a kind of ion type rareearth antiseepage grouting material according to claim 1, which is characterized in that the cement is silicic acid
Salt cement or aluminate or sulphate aluminium cement.
4. a kind of ion type rareearth antiseepage grouting material according to claim 1, which is characterized in that the retarder is three
Polyphosphate sodium or hydroxycarboxylate.
5. a kind of ion type rareearth antiseepage grouting material according to claim 1, which is characterized in that the water-reducing agent is naphthalene
Sulfonate water reducer or fatty acid series or polycarboxylate high-efficiency water-reducing agent.
6. a kind of ion type rareearth antiseepage grouting material according to claim 1, which is characterized in that the exciting agent is mould
Waterglass of the number in 1.0-2.5.
7. the method for preparing ion type rareearth antiseepage grouting material described in any one of claim 1-6, it is characterised in that
It comprises the steps of:
Step 1, capital construction soil slag or discarded tailing isolate stone and coarse grain sundries under hydraulic blow and shaking-sieving effect；
Further, dispersing agent is added during stirring is sized mixing and isolates vegetation slag；Further, divide in Multi-stage spiral classification process
From beading clay mineral and coarse quartz grain, feldspar；Further, the quartz of coarse grain, feldspar are used as plant area's base after being separated by solid-liquid separation
It builds with sand material, liquid is as flushing water reuse；Further, the mine of qualified solid concentration is made in particulate clay mineral in concentrator
Starch spare, overflow water is as flushing water reuse；
Step 2, by 0.1-2 parts of retarder, it is spare that the ratio that 0.1-2 parts of water-reducing agent is mixed evenly to prepare compound additive；
Clay mineral slurries manufactured in step 1 are matched by the parts by weight first and cement are added and stirs by step 3
It mixes, the compound additive being then added in step 2 simultaneously stirs and evenly mixs, and exciting agent finally is added by parts by weight proportion
It stirs and evenly mixs, i.e. acquisition antiseepage grouting material.
8. preparation method according to claim 7, it is characterised in that: the dispersing agent is calgon, and dosage is base
Build the 0.5-2% of native slag or discarded tailing weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910337715.9A CN110171944A (en) | 2019-04-25 | 2019-04-25 | Ion type rare earth seepage-proofing grouting material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910337715.9A CN110171944A (en) | 2019-04-25 | 2019-04-25 | Ion type rare earth seepage-proofing grouting material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110171944A true CN110171944A (en) | 2019-08-27 |
Family
ID=67690093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910337715.9A Pending CN110171944A (en) | 2019-04-25 | 2019-04-25 | Ion type rare earth seepage-proofing grouting material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110171944A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110734264A (en) * | 2019-10-10 | 2020-01-31 | 重庆市园林建筑工程（集团）股份有限公司 | Reinforcing material for historic building, preparation method and grouting reinforcement method |
| CN111018417A (en) * | 2019-12-10 | 2020-04-17 | 四川省地质矿产勘查开发局成都综合岩矿测试中心（国土资源部成都矿产资源监督检测中心） | Method for preparing geopolymer finished product by using typical rare earth tailings in Sichuan |
| CN113248209A (en) * | 2021-06-07 | 2021-08-13 | 成都理工大学 | Low-alkalinity cement clay grouting material and preparation method thereof |
| CN116003071A (en) * | 2022-12-06 | 2023-04-25 | 中铁十七局集团有限公司 | Anti-dispersion clay-thioaluminate grouting material for karst tunnel moving water blocking and preparation method thereof |
| WO2023213099A1 (en) * | 2022-05-05 | 2023-11-09 | 广西华锡集团股份有限公司 | Self-cage-breaking anti-seepage agent and anti-seepage method |
| CN117105630A (en) * | 2023-08-25 | 2023-11-24 | 中国地质科学院矿产综合利用研究所 | Preparation method of composite impermeable material, product and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6141949B2 (en) * | 1977-11-28 | 1986-09-18 | Onoda Cement Co Ltd | |
| CN103214217A (en) * | 2013-03-19 | 2013-07-24 | 中国矿业大学 | Composite superfine cement grout slurry and preparation method thereof |
| CN104030659A (en) * | 2014-06-12 | 2014-09-10 | 陕西煤业化工技术研究院有限责任公司 | Coal seam floor waterproofing grouting material by utilizing mining water and preparation method thereof |
| CN105503123A (en) * | 2015-12-10 | 2016-04-20 | 江苏省电力公司连云港供电公司 | Solid waste grouting material and preparation method thereof |
| CN109279829A (en) * | 2018-11-15 | 2019-01-29 | 北京中煤矿山工程有限公司 | A kind of environmentally friendly injecting paste material based on Wumeng Shan Mountain section laterite |
-
2019
- 2019-04-25 CN CN201910337715.9A patent/CN110171944A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6141949B2 (en) * | 1977-11-28 | 1986-09-18 | Onoda Cement Co Ltd | |
| CN103214217A (en) * | 2013-03-19 | 2013-07-24 | 中国矿业大学 | Composite superfine cement grout slurry and preparation method thereof |
| CN104030659A (en) * | 2014-06-12 | 2014-09-10 | 陕西煤业化工技术研究院有限责任公司 | Coal seam floor waterproofing grouting material by utilizing mining water and preparation method thereof |
| CN105503123A (en) * | 2015-12-10 | 2016-04-20 | 江苏省电力公司连云港供电公司 | Solid waste grouting material and preparation method thereof |
| CN109279829A (en) * | 2018-11-15 | 2019-01-29 | 北京中煤矿山工程有限公司 | A kind of environmentally friendly injecting paste material based on Wumeng Shan Mountain section laterite |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110734264A (en) * | 2019-10-10 | 2020-01-31 | 重庆市园林建筑工程（集团）股份有限公司 | Reinforcing material for historic building, preparation method and grouting reinforcement method |
| CN111018417A (en) * | 2019-12-10 | 2020-04-17 | 四川省地质矿产勘查开发局成都综合岩矿测试中心（国土资源部成都矿产资源监督检测中心） | Method for preparing geopolymer finished product by using typical rare earth tailings in Sichuan |
| CN113248209A (en) * | 2021-06-07 | 2021-08-13 | 成都理工大学 | Low-alkalinity cement clay grouting material and preparation method thereof |
| CN113248209B (en) * | 2021-06-07 | 2023-01-31 | 成都理工大学 | Low-alkalinity cement clay grouting material and preparation method thereof |
| WO2023213099A1 (en) * | 2022-05-05 | 2023-11-09 | 广西华锡集团股份有限公司 | Self-cage-breaking anti-seepage agent and anti-seepage method |
| CN116003071A (en) * | 2022-12-06 | 2023-04-25 | 中铁十七局集团有限公司 | Anti-dispersion clay-thioaluminate grouting material for karst tunnel moving water blocking and preparation method thereof |
| CN117105630A (en) * | 2023-08-25 | 2023-11-24 | 中国地质科学院矿产综合利用研究所 | Preparation method of composite impermeable material, product and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110171944A (en) | Ion type rare earth seepage-proofing grouting material and preparation method thereof | |
| CN105776994B (en) | A kind of self-compacting concrete prepared using concrete mixing plant useless slurry | |
| CN101008315B (en) | Paste-like backfill technology used in coal cutting area | |
| US6586497B2 (en) | Transport of solid particulates | |
| CN108979713B (en) | A kind of processing of tailing and placement method | |
| CN109956712B (en) | System and process for filling coal mine goaf with continuous building recycled aggregate | |
| CN105317458B (en) | A kind of metallic ore crude tailings Grading And Zoning Paste-filling System and method | |
| US20200116022A1 (en) | Methods and systems for foam mine fill | |
| CN111042859B (en) | In-situ filling method for coal slime water of deep mine and coal slime water cemented filling material | |
| CN103880372A (en) | Cement-based grouting material used for strengthening repairing as well as preparation method and application thereof | |
| CN1252781A (en) | High pulp density, fast setting and high early strength backfill method and material | |
| Jung et al. | Review of current high density paste fill and its technology | |
| CN107285702B (en) | A kind of filling slurry of coal mine doping discarded concrete aggregate | |
| CN105753422B (en) | Mine solution cavity filling grouting material based on ardealite | |
| CN109456006A (en) | A kind of self-compacting concrete and its application using waste preparation | |
| CN109734379A (en) | A kind of preparation method of Tailing Paste Filling material | |
| CN105601206A (en) | Iron ore waste rock self-compaction concrete | |
| CN108083701A (en) | A kind of early-strength geo-polymer paste filling material and preparation method thereof | |
| CN103130485A (en) | Non-dehydration micro-expansive whole-tailing filling consolidation agent and preparation method thereof | |
| CN111217581B (en) | Mine filling material and preparation method thereof | |
| CN102775105A (en) | Mine paste filling aggregate prepared from building waste materials and preparation method of mine paste filling aggregate | |
| CN113979689B (en) | Controllable low-strength material using engineering slurry and preparation method thereof | |
| CN113929402B (en) | Goaf filling method | |
| CN114315243A (en) | Environment-friendly self-compacting premixed concrete and production process thereof | |
| CN106194257A (en) | A kind of in the method for tailing disposal mastic at the bottom of the open-air pit of activity sedimentation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190827 |