CN106499435A - A kind of placement method of underground goaf and filling system - Google Patents
A kind of placement method of underground goaf and filling system Download PDFInfo
- Publication number
- CN106499435A CN106499435A CN201611075233.3A CN201611075233A CN106499435A CN 106499435 A CN106499435 A CN 106499435A CN 201611075233 A CN201611075233 A CN 201611075233A CN 106499435 A CN106499435 A CN 106499435A
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- Prior art keywords
- sand
- cement
- grassland
- underground goaf
- feed unit
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- 238000011049 filling Methods 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000004576 sand Substances 0.000 claims abstract description 100
- 239000004568 cement Substances 0.000 claims abstract description 70
- 239000002002 slurry Substances 0.000 claims abstract description 35
- 238000000227 grinding Methods 0.000 claims abstract description 5
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000007873 sieving Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 4
- 244000025254 Cannabis sativa Species 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000007664 blowing Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000011398 Portland cement Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910020218 Pb—Zn Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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
- E21F15/08—Filling-up hydraulically or pneumatically
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)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
A kind of placement method and filling system of underground goaf that the present invention is provided, by grinding after grassland sand and classified tailingses and cement according to following proportional arrangement into filling slurry：Grassland sand：Classified tailingses：Cement=1～2:4:1；Filling slurry is filled in underground goaf, and cured formation obturator.The filling system of underground goaf includes cement supply unit, grassland sand feed unit and tailings feed unit；Cement supply unit, grassland sand feed unit and tailings feed unit are communicated with high concentration agitator jointly；Cement supply unit is used for providing cement for high concentration agitator；Grassland sand feed unit includes laboratory sifter；Tailings feed unit includes sand storehouse and hydrocyclone.By forming new filling slurry, make the filling slurry fill underground goaf to solve the problems, such as that tailings is not enough.
Description
Technical field
The present invention relates to goaf filling technique field, more particularly, to a kind of placement method of underground goaf and fills
Fill out system.
Background technology
Mineral are the important foundation materials of country's production, and as economic develops rapidly, the demand of Ore rapidly increases.
In general mineral products, such as Xilinguole League's mountain gold Arhada Pb-Zn deposit is relied in back production always using empty
Field method carries out back production, and the goafs for defining many for many years need to administer, and this substantial amounts of filler of needs is filled.
But, the ore mining number of fields mesh is relatively fewer at present, and circulation is more difficult, showing for tailings deficiency often occurs
As, so, the problem for filling that dynamic equilibrium is difficult to effective control of adopting can be easily caused, the improvement in later stage goaf is affected.
Content of the invention
It is an object of the invention to provide a kind of placement method of underground goaf and filling system, to solve existing skill
Present in art not enough to underground goaf tailings and cause fill the technical problem that dynamic equilibrium is difficult to effective control.
A kind of placement method of underground goaf that the present invention is provided, by grinding after grassland sand and classified tailingses and cement
According to following proportional arrangement into filling slurry：
Grassland sand：Classified tailingses：Cement=1～2:4:1；
The filling slurry is filled in underground goaf, and cured formation obturator.
Further, in an embodiment of the present invention, water and flocculant are added when the filling slurry is configured.
Further, in an embodiment of the present invention, the granularity that the grassland sand is ground into is 400 mesh.
Further, in an embodiment of the present invention, by 12 to 18 points of the grassland sand, classified tailingses and cement mixing
Clock.
Present invention also provides a kind of filling system of underground goaf, single including cement supply unit, the supply of grassland sand
Unit and tailings feed unit；
The cement supply unit, grassland sand feed unit and tailings feed unit are communicated with high concentration agitator jointly；
The cement supply unit is used for providing cement for the high concentration agitator；
The grassland sand feed unit includes laboratory sifter, for before grassland sand enters the high concentration agitator
Shaking-sieving is carried out to grassland sand；
The tailings feed unit includes sand storehouse and hydrocyclone, for tailings enter the high concentration agitator it
Front tailings is classified and concentration.
Further, in an embodiment of the present invention, the cement supply unit includes cement bin and rigid impeller feed
Machine；
The rigid impeller feeding machine is used for for the cement in the cement bin being supplied to the high concentration agitator.
Further, in an embodiment of the present invention, the grassland sand feed unit also includes one-level disintegrating machine and two grades
Disintegrating machine, for being ground to the grassland sand after the laboratory sifter shaking-sieving；
Conveyer device is connected between the one-level disintegrating machine and secondary breaker.
Further, in an embodiment of the present invention, the cement supply unit, grassland sand feed unit and tailings supply
Electromagnetic flowmeter is provided between unit and the high concentration agitator.
Further, in an embodiment of the present invention, the cement supply unit and grassland sand feed unit and the electricity
Screw(-type) feeder is provided between magnetic flowmeter.
Further, in an embodiment of the present invention, also include water source, the water source is connected with the high concentration agitator
Logical.
Further, in an embodiment of the present invention, the water source includes head-tank；
For providing press water for the high concentration agitator.
Further, in an embodiment of the present invention, the press water is pressurizeed by pump or the form of flow by gravity is formed.
Further, in an embodiment of the present invention, the high concentration agitator is connected with delivered downhole pipe network, for inciting somebody to action
The filling slurry that configuration is finished is transported to stope.
Further, in an embodiment of the present invention, the conveyer device includes conveyer belt and transport tube.
Further, in an embodiment of the present invention, cement passes through blowing pipe wind model to cement via bulk cement carrier
Storehouse.
In above-mentioned technical proposal, in order to solve to underground goaf tailings, but tailings is not enough and filling of causing
Dynamic equilibrium is difficult to the technical problem of effective control, there is provided a kind of new charges, that is, pass through grassland sand and classified tailingses
Mixed with cement, form new filling slurry, underground goaf is filled by the filling slurry.
In the technical scheme, the characteristic that make use of grassland sand and classified tailingses to be extremely close in nature in every respect, institute
To have selected grassland sand to replace the scheme filled by classified tailingses.
But, although grassland sand is extremely close in every respect in nature with classified tailingses, can be worked as grassland sand and is mixed into ratio mistake
When many, pipeline jam accident still can be easily produced, and then affects production, so, grassland sand is merely able to replace classification tail by part
Sand is forming new filling slurry, and can not replace completely.
In the technical scheme of the application, define with grassland sand：Classified tailingses：Cement=1～2:4:1 ratio is carried out
Mixed preparing, and also needed to grind grassland sand in advance before mixed preparing, ground to granularity suitable after just mixed
Configuration.
Filling slurry after preparing by the way may be adapted to self-flowing pastefill filling underground goaf.Filling slurry is solid
After change, strength of filling mass can reach requirement, and more preferably, mining equiment and personnel's solidification obturator effect than it without grassland sand exist
In obturator, operation is safer, and economical, societal benefits significantly, provide experience for identical mine.
And simultaneously as typically set up Tailings Dam at the mine initial stage, the spoil produced during excavation, i.e. grassland Sha Dui
Product need to be taken over a large amount of soils for use and be piled up, and produce a large amount of airborne dusts when blowing in Tailings Dam, waste land resource, pollute environment,
And the charges for passing through sand conversion in grassland can be filled underground goaf for preparation, it is also possible to while solving waste soil money
Source and the problem of pollution environment.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
Needed for embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
The flow chart of the placement method of the underground goaf that Fig. 1 is provided for one embodiment of the invention；
The structural representation one of the filling system of the underground goaf that Fig. 2 is provided for one embodiment of the invention；
The structural representation two of the filling system of the underground goaf that Fig. 3 is provided for one embodiment of the invention；
The structural representation three of the filling system of the underground goaf that Fig. 4 is provided for one embodiment of the invention.
Reference：
4- high concentration agitators；5- electromagnetic flowmeters；6- screw(-type) feeders；
7- water sources；11- cement bins；12- rigid impeller feeding machines；
13- bulk cement carriers；21- laboratory sifters；22- one-level disintegrating machines；
23- secondary breakers；24- conveyer devices；25- trackless equipments；
26- Tailings Dams；31- sand storehouse；32- selects factory's tailings.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described enforcement
Example is a part of embodiment of the invention, rather than whole embodiments.Embodiment in based on the present invention, ordinary skill
The every other embodiment obtained under the premise of creative work is not made by personnel, belongs to the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation of instruction such as " level ", " interior ", " outward " or position relationship be based on orientation shown in the drawings or position relationship, merely to
Be easy to description the present invention and simplify description, rather than indicate or hint indication device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The flow chart of the placement method of the underground goaf that Fig. 1 is provided for one embodiment of the invention；As shown in figure 1, this
Embodiment provide a kind of underground goaf placement method, by grinding after grassland sand with classified tailingses and cement according to as follows
Proportional arrangement is into filling slurry：
Grassland sand：Classified tailingses：Cement=1～2:4:1；
The filling slurry is filled in underground goaf, and cured formation obturator.
In the particular embodiment, in order to solve to underground goaf tailings, and tailings is not enough and filling of causing
State balance is difficult to the technical problem of effective control, there is provided a kind of new charges, that is, pass through by grassland sand and classified tailingses with
Cement is mixed, and is formed new filling slurry, underground goaf is filled by the filling slurry.
In the technical scheme, the characteristic that make use of grassland sand and classified tailingses to be extremely close in nature in every respect, institute
To have selected grassland sand to replace the scheme filled by classified tailingses.
But, although grassland sand is extremely close in every respect in nature with classified tailingses, can be worked as grassland sand and is mixed into ratio mistake
When many, pipeline jam accident still can be easily produced, and then affects production, so, grassland sand is merely able to replace classification tail by part
Sand is forming new filling slurry, and can not replace completely.
In the technical scheme of the application, define with grassland sand：Classified tailingses：Cement=1～2:4:1 ratio is carried out
Mixed preparing, and also needed to grind grassland sand in advance before mixed preparing, ground to granularity suitable after just mixed
Configuration, so, the filling slurry configured by aforementioned proportion just can be good at realizing filling underground goaf, without causing
The problem of plugging, it is ensured that the effect of filling, makes construction be on the ground of a safety, improves the safety of construction.
The above-mentioned cement for using is generally portland cement, and the filling slurry after preparing by the way may be adapted to certainly
Stream conveying filling underground goaf.
And simultaneously as typically set up Tailings Dam at the mine initial stage, the spoil produced during excavation, i.e. grassland Sha Dui
Product need to be taken over a large amount of soils for use and be piled up, and produce a large amount of airborne dusts when blowing in Tailings Dam, waste land resource, pollute environment,
And the charges for passing through sand conversion in grassland can be filled underground goaf for preparation, it is also possible to while solving waste soil money
Source and the problem of pollution environment.
Further, water and flocculant are added when the filling slurry is configured.
During the filling slurry is configured, add in grassland sand, classified tailingses and cement appropriate water with
And flocculant, after thickening the filling slurry, it is suitable for being filled in underground goaf.
Further, the granularity that the grassland sand is ground into is 400 mesh.
After grassland sand is ground is 400 mesh for granularity, the mixing that just can be adapted to classified tailingses and cement is made
Filling slurry can be adapted to fill underground goaf.
Further, by the grassland sand, classified tailingses and cement mixing 12 to 18 minutes.
In one embodiment, it is preferred that being just can to carry out putting sand operation after 15min clock pulpings.
The structural representation one of the filling system of the underground goaf that Fig. 2 is provided for one embodiment of the invention；Such as Fig. 2 institutes
Show, present invention also offers a kind of filling system of underground goaf, including cement supply unit, grassland sand feed unit and tail
Sand feed unit；
The cement supply unit, grassland sand feed unit and tailings feed unit are communicated with high concentration agitator 4 jointly；
The cement supply unit is used for providing cement for the high concentration agitator 4；
The grassland sand feed unit includes laboratory sifter 21, for entering the high concentration agitator 4 in grassland sand
Shaking-sieving is carried out to grassland sand before；
The tailings feed unit includes sand storehouse 31 and hydrocyclone, for entering the high concentration agitator in tailings
Tailings was classified and concentration before 4.
In the particular embodiment, in order to solve to underground goaf tailings, and tailings is not enough and filling of causing
State balance is difficult to the technical problem of effective control, there is provided a kind of new charges, that is, pass through by grassland sand and classified tailingses with
Cement is mixed, and is formed new filling slurry, underground goaf is filled by the filling slurry.And the filling
Slip is prepared from by the filling system of the underground goaf, while being filled by the filling system of underground goaf
To underground goaf, the filling of underground goaf is realized.
From the foregoing, it will be observed that in the technical scheme, make use of grassland sand to be extremely close in nature with classified tailingses in every respect
Characteristic, so having selected grassland sand to replace the scheme filled by classified tailingses.
But, although grassland sand is extremely close in every respect in nature with classified tailingses, can be worked as grassland sand and is mixed into ratio mistake
When many, pipeline jam accident still can be easily produced, and then affects production, so, grassland sand is merely able to replace classification tail by part
Sand is forming new filling slurry, and can not replace completely.
In the technical scheme of the application, define with grassland sand：Classified tailingses：Cement=1～2:4:1 ratio is carried out
Mixed preparing, and also needed to grind grassland sand in advance before mixed preparing, ground to granularity suitable after just mixed
Configuration, so, the filling slurry configured by aforementioned proportion just can be good at realizing filling underground goaf, without causing
The problem of plugging, it is ensured that the effect of filling, makes construction be on the ground of a safety, improves the safety of construction.
By the collocation method of above-mentioned filling slurry, in the filling system of underground goaf, pass through the grassland first
Grassland sand is once sieved by the laboratory sifter 21 of sand feed unit, and granularity reaches the grassland sand of 400 mesh just can be direct
It is transported in high concentration agitator 4 and is configured.
And the tailings for pre-setting then can be processed through sand storehouse 31 and hydrocyclone, by hydrocyclone to tail
After sand is classified, then by classification after classified tailingses concentrated by natural subsidence in sand storehouse 31, concentration a period of time
High concentration agitator 4 is fed into afterwards according still further to what the ratio and cement and grassland sand for configuring coordinated.
The structural representation two of the filling system of the underground goaf that Fig. 3 is provided for one embodiment of the invention；Such as Fig. 3 institutes
Show, further, the cement supply unit includes cement bin 11 and rigid impeller feeding machine 12；
The rigid impeller feeding machine 12 is used for for the cement in the cement bin 11 being supplied to the high concentration agitator
4.
And in the feed of the cement, operated by rigid impeller feeding machine 12, by default cement bin 11
Cement be supplied to the high concentration agitator 4, wherein, cement be usually adopt portland cement.
Further, the grassland sand feed unit also includes one-level disintegrating machine 22 and secondary breaker 23, for warp
The grassland sand that crosses after 21 shaking-sieving of the laboratory sifter is ground；
Conveyer device 24 is connected between the one-level disintegrating machine 22 and secondary breaker 23.
As grassland sand can first pass around 21 shaking-sieving of laboratory sifter, granularity reaches the grassland sand of 400 mesh can be by elder generation
It is transported in high concentration agitator 4 and is configured, and the grassland sand that granularity does not reach requirement will be thick via one-level disintegrating machine 22
23 fine grinding of secondary breaker is transported to by conveyer device 24 again after broken, after granularity reaches 400 mesh, will be transported to highly concentrated
Configured in degree agitator 4, the granularity of grassland sand when so ensuring that configuration can reach the requirement of 400 mesh.
Further, the cement supply unit, grassland sand feed unit and tailings feed unit are stirred with the high concentration
Mix and between bucket 4, be provided with electromagnetic flowmeter 5.
As cement, grassland sand and classified tailingses need to form filling slurry through strict proportional arrangement, so, it is
Cement, grassland sand and classified tailingses are fed respectively when, the ratio of adaptation is ensure that, so just passing through in feed
Electromagnetic flowmeter 5 is directly configured in high concentration agitator 4 with facilitating measuring the amount of adaptation.
Further, it is respectively provided between the cement supply unit and grassland sand feed unit and the electromagnetic flowmeter 5
There is screw(-type) feeder 6.
When cement and grassland sand are fed, it is fed by screw(-type) feeder 6, for controlling feeding coal, Ran Houzai
Through electromagnetic flowmeter 5.
The structural representation three of the filling system of the underground goaf that Fig. 4 is provided for one embodiment of the invention；Such as Fig. 4 institutes
Show, further, also include water source 7；
The water source 7 is connected with the high concentration agitator 4.By arranging water source 7, the concentration of filling slurry can be entered
Row adjustment, water source 7 is communicated in high concentration agitator 4, and when needing to be added water, the adjustment that just directly can add water is dense
Degree；Moreover, when not using, can also be used to flushing device or dredging pipeline.
Wherein, the water source includes head-tank；
For providing press water for the high concentration agitator.
By the water with pressure, the effect of flushing device or dredging pipeline just can be improved.
Meanwhile, the press water is pressurizeed by pump or the form of flow by gravity is formed.
Further, in an embodiment of the present invention, the high concentration agitator 4 is connected with delivered downhole pipe network, is used for
The filling slurry that configuration is finished is transported to stope.
Further, in an embodiment of the present invention, the conveyer device 24 includes conveyer belt.But, the application is only
There is provided limited embodiment, the including but not limited to conveyer belt of the conveyer device 24, any technical scheme based on the application,
In the new technical scheme obtained without creative work, it is all contained within the protection domain of technical scheme.
Further, in an embodiment of the present invention, cement is to pass through blowing pipe wind model extremely via bulk cement carrier 13
Cement bin 11.
Grassland sand is then to take and be offloaded to laboratory sifter 21, one-level disintegrating machine by trackless equipment 25 from the fortune of Tailings Dam 26
22 and secondary breaker 23.
Tailings is from selecting factory's tailings 32 to be delivered to sand storehouse 31 by pipeline.
Finally it should be noted that：Various embodiments above only in order to technical scheme to be described, rather than a limitation；To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of placement method of underground goaf, it is characterised in that the grassland sand after by grinding is pressed with classified tailingses and cement
According to following proportional arrangement into filling slurry：
Grassland sand：Classified tailingses：Cement=1～2:4:1；
The filling slurry is filled in underground goaf, and cured formation obturator.
2. the placement method of underground goaf according to claim 1, it is characterised in that when the filling slurry is configured
Add water and flocculant.
3. the placement method of underground goaf according to claim 2, it is characterised in that the grassland sand is ground into
Granularity is 400 mesh.
4. the placement method of underground goaf according to claim 3, it is characterised in that by the grassland sand, classification tail
Sand and cement mixing 12 to 18 minutes.
5. a kind of filling system of underground goaf, it is characterised in that including cement supply unit, grassland sand feed unit and tail
Sand feed unit；
The cement supply unit, grassland sand feed unit and tailings feed unit are communicated with high concentration agitator (4) jointly；
The cement supply unit is used for providing cement for described high concentration agitator (4)；
The grassland sand feed unit includes laboratory sifter (21), for entering high concentration agitator (4) in grassland sand
Shaking-sieving is carried out to grassland sand before；
The tailings feed unit includes sand storehouse (31) and hydrocyclone, for entering the high concentration agitator in tailings
(4) tailings is classified and concentration before.
6. the filling system of underground goaf according to claim 5, it is characterised in that the cement supply unit includes
Cement bin (11) and rigid impeller feeding machine (12)；
Described rigid impeller feeding machine (12) are used for for the cement in the cement bin (11) being supplied to the high concentration agitator
(4).
7. the filling system of underground goaf according to claim 5, it is characterised in that the grassland sand feed unit is also
Including one-level disintegrating machine (22) and secondary breaker (23), for the grass after the laboratory sifter (21) shaking-sieving
Roughing sand is ground；
Conveyer device (24) is connected between one-level disintegrating machine (22) and secondary breaker (23).
8. the filling system of the underground goaf according to claim 6 or 7, it is characterised in that the cement supply unit,
Electromagnetic flowmeter (5) is provided between grassland sand feed unit and tailings feed unit and high concentration agitator (4).
9. the filling system of underground goaf according to claim 8, it is characterised in that the cement supply unit and grass
Screw(-type) feeder (6) is provided between roughing sand feed unit and the electromagnetic flowmeter (5).
10. the filling system of the underground goaf according to claim 6 or 7, it is characterised in that also include water source (7)；
Water source (7) are connected with high concentration agitator (4).
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| CN201611075233.3A CN106499435A (en) | 2016-11-29 | 2016-11-29 | A kind of placement method of underground goaf and filling system |
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| CN201611075233.3A CN106499435A (en) | 2016-11-29 | 2016-11-29 | A kind of placement method of underground goaf and filling system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019236A (en) * | 2017-12-04 | 2018-05-11 | 玉溪矿业有限公司 | A kind of digging rubble-ultra-fine crude tailings pipeline self conveying filling system and placement method |
| CN108252734A (en) * | 2017-12-18 | 2018-07-06 | 金川集团股份有限公司 | A kind of placement method of Desending slicing Drift stoping underground goaf |
| CN111775337A (en) * | 2020-07-29 | 2020-10-16 | 中钢集团马鞍山矿山研究总院股份有限公司 | Combined type dry material hauling accurate conveying and filling station suitable for mine filling system |
| CN111852550A (en) * | 2020-06-02 | 2020-10-30 | 中钢集团山东富全矿业有限公司 | Tailing paste filling equipment group and filling process |
| CN114856689A (en) * | 2022-05-09 | 2022-08-05 | 重庆大学 | Fly ash and CO 2 Mineralization and storage and goaf filling integrated method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108019236A (en) * | 2017-12-04 | 2018-05-11 | 玉溪矿业有限公司 | A kind of digging rubble-ultra-fine crude tailings pipeline self conveying filling system and placement method |
| CN108252734A (en) * | 2017-12-18 | 2018-07-06 | 金川集团股份有限公司 | A kind of placement method of Desending slicing Drift stoping underground goaf |
| CN111852550A (en) * | 2020-06-02 | 2020-10-30 | 中钢集团山东富全矿业有限公司 | Tailing paste filling equipment group and filling process |
| CN111775337A (en) * | 2020-07-29 | 2020-10-16 | 中钢集团马鞍山矿山研究总院股份有限公司 | Combined type dry material hauling accurate conveying and filling station suitable for mine filling system |
| CN114856689A (en) * | 2022-05-09 | 2022-08-05 | 重庆大学 | Fly ash and CO 2 Mineralization and storage and goaf filling integrated method |
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