CN208814896U - A kind of preparation facilities of filling in mine material - Google Patents
A kind of preparation facilities of filling in mine material Download PDFInfo
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- CN208814896U CN208814896U CN201821579691.5U CN201821579691U CN208814896U CN 208814896 U CN208814896 U CN 208814896U CN 201821579691 U CN201821579691 U CN 201821579691U CN 208814896 U CN208814896 U CN 208814896U
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Abstract
The utility model discloses a kind of preparation facilities of filling in mine material, belong to mining engineering and building material technical field.A kind of preparation facilities of the filling in mine material of the utility model, including slurry mixer, activation library and Tailings Slurry concentrator, the discharge port of slurry mixer is connected by No. 1 slush pump and the first conveyance conduit with the feed inlet in activation library, the discharge gate of the Tailings Slurry concentrator is connected with one end of cyclone pipe, the other end of cyclone pipe is connected to underground goaf by third conveyance conduit, and the discharge port in the activation library is connected in the discharge gate of Tailings Slurry concentrator by No. 2 slush pumps and the second conveyance conduit.It can effectively improve the uniformity mixed between each component in filling in mine material using the technical solution of the utility model, and then improve the intensity of mine filler.
Description
Technical field
The utility model belongs to mining engineering and building material technical field, and in particular to a kind of system of filling in mine material
Standby device.
Background technique
The method of mining by the way of filling has many advantages, such as that loss late is small, the rate of dilution is low, highly-safe, and can be effectively controlled rock pressure
Movable mining methods.With Cut-and-fill Mining Technology, especially cemented filling mining technology is increasingly developed, keeps mine many multiple
Miscellaneous technical problem has obtained very good solution, poor in deep mining, protection earth's surface, " Cai Fubao is poor ", " exploiting under three ", reduction
Rate and loss late prevent breeding fire, slow down that rock burst occurs, effectively control Ground pressure activity etc. has played huge work
With.
The filler that mining filling method uses mainly is made of aggregate and cementing agent, usually with classified tailings, tailings
Adding river sand or crude tailings is filling aggregate, after cementing agent is mixed with filling aggregate and water, physics occurs and chemical reaction forms glue
Filling aggregate is frozen into the Filling Cementation body with some strength by body.Overwhelming majority mine has used mining with stowing at present
Method carries out mining, and cement is current the most widely used cementing agent, including portland cement, ordinary portland cement,
Portland slag cement, Portland fly ash cement etc., or flyash, red mud, stone are properly added on the basis of cement
Ash or chemical admixture, this undoubtedly increases mining filling cost.
The cement special that China is suitable for filling in mine at present, which is not much, to be seen, e.g., number of patent application is
The application case of CN201010129082.1 discloses a kind of tailing cementing material, the mass percent difference of component and each component
Are as follows: sulphate aluminium cement 20%~60%, slag 15%~55%, anhydrous gypsum 5%~15%, quick lime 5%~10%.It presses
According to the cementing material that said ratio is mixed, a certain amount of tailings is added and water stirs evenly use.Number of patent application is
The application case of CN201210008744.9 discloses a kind of filling slurry and preparation method thereof of method of mining by the way of filling, this application
Filling slurry is made of llowing group of materials: tailing, Ultramicro-powder, cement and debris；The tailing is the choosing that concentration is about 20%
The high-concentration tailings for 65% or more concentration are concentrated in mine tailing；The Ultramicro-powder be thermal method manufacture-yellow phosphorus or other to phosphorus ore
Stone calcining after as waste residue outlet phosphorus slag it is finely ground be with the comparable powder of cement fineness, cement and super fine collectively as
Cementing agent；The quarrying waste residue is broken into the particle less than 2cm.The formula of each material by weight is cement: Ultramicro-powder=
(0.8~0.3): (0.2~0.7), aggregate-to-cement ratio are 4~12, and the ratio between debris and tailing are uncertain, and filling slurry concentration is equal to
Or it is greater than 70%.
But filler in the prior art, although some are early strong higher, some have special specific aim, its cementing agent
In be all mixed with the cement or clinker of more content, or be also mixed with other additives, production cost is higher, and part is specially
CHARACTERISTICS OF TAILINGS SAND uses classification tailing in sharp application case, and filler preparation method is complex.In addition, being filled using existing preparation
It sets when being prepared to filling in mine material, is generally difficult to guarantee in obturation between each component mixing sufficiently and uniformly, thus
Influence filling in mine effect.
Utility model content
1. utility model technical problems to be solved
The purpose of this utility model is that existing filling in mine material preparation is existing above insufficient, a kind of mine is provided
The preparation facilities of filler.Each group in filling in mine material can effectively improve using the technical solution of the utility model and divide it
Between the uniformity that mixes, and then improve the intensity of mine filler.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of preparation facilities of filling in mine material of the utility model, including slurry mixer, activation library and Tailings Slurry
The discharge port of concentrator, slurry mixer is connected by No. 1 slush pump and the first conveyance conduit with the feed inlet in activation library, described
The discharge gate of Tailings Slurry concentrator is connected with one end of cyclone pipe, and the other end of cyclone pipe is connected to well by third conveyance conduit
The discharge port in lower goaf, the activation library is connected to the row of Tailings Slurry concentrator by No. 2 slush pumps and the second conveyance conduit
In material mouth.
Further, the output end of second conveyance conduit is equipped with multithread stock nozzle.
Further, agitating device is equipped in the activation library.
Further, the top of the Tailings Slurry concentrator is equipped with clean water overflow pipe, the clean water overflow pipe and overflow water
Pond is connected.
It further, further include premixing body agitating device, the discharge port of premixing body agitating device is connected to by pipeline
The feed inlet of slurry mixer.
Further, the premixing body agitating device uses strength powder mixer or ball mill.
3. beneficial effect
Using technical solution provided by the utility model, compared with prior art, there is following remarkable result:
(1) preparation facilities of a kind of filling in mine material of the utility model, including slurry mixer, activation library and tailing
Starch concentrator, by slag micropowder, slag micro powder, flyash, cement according to the ratio ingredient mix after, be added in slurry mixer with
Titanium gypsum slurry is stirred together up to tailing cementitious slurry, will be pumped to tailing after the activated storage of tailing cementitious slurry
The discharge gate for starching concentrator, makes tailing cementitious slurry enter cyclone pipe together with Tailings Slurry, under the turbulent condition of rotary course,
The direct convection current mixing for carrying out two kinds of slurries, advantageously ensures that the adequacy and uniformity that each component mixes in obturation.
(2) a kind of preparation facilities of filling in mine material of the utility model, the output end of second conveyance conduit are set
There is multithread stock nozzle, so as to make tailing cementitious slurry high degree of dispersion enter Tailings Slurry by the effect of multithread stock nozzle, makes
Two kinds of slurries carry out the convection current mixing in multiple stream stocks conveyings in cyclone pipe, fill to be conducive to further increase gained mine
The mixing uniformity of filling chock material.
(3) other end of the preparation facilities of a kind of filling in mine material of the utility model, cyclone pipe is conveyed by third
Pipeline is connected to underground goaf, and the convective mass transfer immixture in the rotation turbulent flow of two kinds of slurries can in third conveyance conduit
To carry out always, and gravity flow filling may be implemented in the utility model, and technological operation is simple.
(4) preparation facilities of a kind of filling in mine material of the utility model is equipped with agitating device in the activation library, from
And tailing cementitious slurry can be thoroughly mixed, advantageously ensure that the uniformity mixed between each component；The tailing
The top for starching concentrator is equipped with clean water overflow pipe, which is connected with overflow pond, makes tailing by clean water overflow pipe
The overflow water of slurry concentrator drains into overflow pond.
(5) preparation facilities of a kind of filling in mine material of the utility model further includes premixing body agitating device, premixing body
The discharge port of agitating device is connected to the feed inlet of slurry mixer by pipeline, by premixing body agitating device to flyash,
Steel slag, slag and cement carry out pre- stir process, are then sent to interior be stirred with titanium gypsum slurry of slurry mixer and mix.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the preparation facilities of the filling in mine material of the utility model.
Label declaration in attached drawing:
1, slurry mixer；2, No. 1 slush pump；3, the first conveyance conduit；4, library is activated；5, No. 2 slush pumps；6, second is defeated
Send pipeline；7, Tailings Slurry concentrator；8, clean water overflow pipe；9, multithread stock nozzle；10, cyclone pipe；11, third conveyance conduit；12,
Underground goaf；13, premixing body agitating device；14, overflow pond.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is made now in conjunction with the drawings and specific embodiments detailed
Description.
Embodiment 1
Using undisturbed industry by-product titanium gypsum, flyash, steel slag, slag, cement, water as the cementing agent slurry of raw material, and
Both Tailings Slurries composed by Total tailing sand, water, which are bound together, constitutes tailing cemented filling material slurry, wherein Total tailing sand
As filling aggregate, the composition of tailing cemented filling material slurry and its cementing agent slurry is specifically as shown in table 1.
Industrial by-product titanium gypsum is sour water treated the excess sludge of titanium dioxide processing enterprise in the present embodiment, through over-voltage
After filter, water content 70%, main component CaSO4.2H2O；Steel slag is the vessel slag that steel mill's basicity factor is 2, by hot splashing slag,
Magnetic separation, broken, ball milling, except iron and RO phase after, the active slag micro powder of acquisition, specific surface area 410m2/kg；Slag micropowder
Specific surface area 410m2/ kg, flyash are levigate III level flyash, specific surface area 450m2/kg；Cement is 42.5PO water
Mud, the specific surface area 350m of cement2/kg.The CHARACTERISTICS OF TAILINGS SAND is metal or nonmetallic ore CHARACTERISTICS OF TAILINGS SAND, including copper tailing sand, iron
CHARACTERISTICS OF TAILINGS SAND, pyrite tailing sand, golden coloured and ferrous metal the CHARACTERISTICS OF TAILINGS SAND such as CHARACTERISTICS OF TAILINGS SAND or Pb-Zn tailings sand and other inorganic non-gold
Belong to the CHARACTERISTICS OF TAILINGS SAND of mine, partial size≤0.1mm accounts for 50% or more in each CHARACTERISTICS OF TAILINGS SAND, including without the pole after classification or other Subdividing Processings
Thin CHARACTERISTICS OF TAILINGS SAND.
As shown in Figure 1, the preparation facilities of the filling in mine material of the present embodiment, including slurry mixer 1, activation library 4 are (interior
Equipped with agitating device) and Tailings Slurry concentrator 7, wherein the discharge port of slurry mixer 1 passes through No. 1 slush pump 2 and the first conveying
Pipeline 3 is connected with the feed inlet in activation library 4, and the discharge gate of the Tailings Slurry concentrator 7 is connected with one end of cyclone pipe 10, eddy flow
The other end of pipe 10 is connected to underground goaf 12 by third conveyance conduit 11, and the discharge port in the activation library 4 passes through No. 2 mud
Stock pump 5 and the second conveyance conduit 6 are connected in the discharge gate of Tailings Slurry concentrator 7, and the output end of the second conveyance conduit 6 is equipped with
The top of multithread stock nozzle 9, Tailings Slurry concentrator 7 is equipped with clean water overflow pipe 8, which is connected with overflow pond 14.
The preparation facilities further includes premixing body agitating device 13, by premixing body agitating device 13 to cement, flyash, slag micropowder,
The premixings powder such as slag micro powder is mixed, and premixing body agitating device 13 uses strength powder mixer in the present embodiment.
The preparation step of the filling in mine material slurry of the present embodiment are as follows:
(1) water will be added in titanium gypsum filter cake in slurry mixer 1, is stirred for into titanium gypsum slurry A, water in slurry
Gray scale is 1.5；
(2) by cement, flyash, slag micropowder, slag micro powder according to ingredient metering ratio, in premixing body agitating device 13
In be uniformly mixed into silicon, aluminium, calcareous mixed powder B, mixing plant is strength powder mixer, and the mixing time of every batch of ingredient is not
Less than 5min；
(3) after silicon, aluminium, the calcareous mixed powder B obtained step 2 is weighed according to metering, then in such a way that multiple spot feeds intake
It being added in the titanium gypsum slurry A that step 1 obtains, is stirred, mixing time is no more than 5min, tailing cementitious slurry is obtained, and
By cementitious slurry by storing in the first conveyance conduit 3 and No. 1 slush pump 2 feeding activation library 4, storage time is no more than
30min；
(4) the tailing cementitious slurry in library 4 will be activated with No. 2 slush pumps 5, Tailings Slurry is connected to by the second conveyance conduit 6
At the dense Tailings Slurry entrance of the row of concentrator 7, the clear water on dense rear Tailings Slurry upper layer is used to select after flowing out by overflow pipe 8
Mine production cycle uses, and tailing cementitious slurry is sprayed in a manner of 10 stock streams cementitious slurry multithread stock nozzle 9, imports tail
In the fluid of ore pulp, turbulent flow is rotated after the endless spiral water conservancy diversion in cyclone pipe 10 by cyclone pipe 10 together
In convective mass transfer immixture, the schematic diagram of immixture is as shown in Figure 1, this acts on 11 transmission process of third conveyance conduit
In occur always, and be transported to the goaf of underground by way of gravity flow, carry out the filling of underground tailing solidifying, detected, filled
Core boring sampling unconfined compressive strength after filling out body 28 days be 3.5MPa (the ratio between solid in solid and Tailings Slurry in cementitious slurry,
That is " glue tail ratio ": 1:12).
Specifically, the titanium gypsum slurry and Tailings Slurry of high water-cement ratio are bound together and to form cementing tailing and fill by the present embodiment
Filling chock material, so that mixture homogeneity is while being enhanced, the charge and CHARACTERISTICS OF TAILINGS SAND table of various complicated ingredient institutes band in titanium gypsum
The charge of particle, can be down to isoelectric point by surface charge interaction, and particle is in contact sedimentation in tailing obturation, so that accumulation
Consistency improves, Ca (OH) therein2、SiO2、Al2O3、CaSO4Ingredient will occur to react as follows:
Al2O3+H2O→Al(OH)3 (1)
SiO2+H2O→Si(OH)4 (2)
Ca(OH)2→Ca2++2OH- (3)
Ca2++Si(OH)4→CSH gel (4)
Al(OH)3+CaSO4·2H2O+Ca2+→AFT (5)
CSH=CaSiO3.H2O AFT=3CaOAl (OH)3·3CaSO4·32H2O
Mentioned component cementing fines of energy in the case where stirring evenly, and general-purpose cement is then without this performance.Specifically,
The present embodiment can directly carry out sa, calcareous raw material steel slag, slag, industry by-product gypsum and CHARACTERISTICS OF TAILINGS SAND in slurry pipeline transport
It is stirred, keeps the mixed uniformity higher, it is smaller to mix required power, in addition because titanium gypsum is added in the form of mud
Enter, can adequately be distributed in Tailings Slurry, change the electriferous state of tailings particles, so that the tailing of filling occurs cohesion and sinks
Drop, improves the filling intensity of induration, and after cementing agent slurry and CHARACTERISTICS OF TAILINGS SAND slurry are sufficiently stirred, steel slag, cement provide certain
Basicity and Ca2+Concentration promotes slag, flyash to dissolve aquation, and in the presence of a large amount of titanium gypsums, slag, flyash are continuous
Hydrated product C-S-H gel and entringite are generated, the C-S-H and entringite of formation are filled in the gap between tailing, and mutually
Between overlap joint form network structure, make obturation solidification generate intensity, in the excessive situation of gypsum, entringite is constantly formed,
Since the system ratio of mud is very big, system void is more and big, entringite in gap crystal growth but obturation will not be made to collapse
It is bad, instead it is continuously improved obturation consistency, intensity constantly increases.
Filler aggregate CHARACTERISTICS OF TAILINGS SAND is not limited to single-grade tailing in the present embodiment, and the scope of application is wider, and not only part solves for this
It has determined the accumulation and pollution problem of tailing, has also made other industrial residues such as industrial by-product titanium gypsum, steel slag, slag and fine coal
Ash is able to resource utilization, and ratio of the original state titanium gypsum slurry for especially exempting to be dehydrated in cementitious material slurry ingredient is higher,
Environment protecting highly significant.
Embodiment 2
Using undisturbed industry by-product titanium gypsum, flyash, steel slag, slag, cement, water as the cementing agent slurry of raw material, and
Both Tailings Slurries composed by Total tailing sand, water, which are bound together, constitutes tailing cemented filling material slurry, wherein Total tailing sand
As filling aggregate, the composition of tailing cemented filling material slurry is as shown in table 1.
Wherein industrial by-product titanium gypsum is sour water treated the excess sludge of titanium dioxide processing enterprise, after filters pressing,
Water content 80%, main component CaSO4.2H2O；Steel slag is the vessel slag that steel mill's basicity factor is 2, by hot splashing slag, magnetic separation,
Broken, roll mill, except iron and RO phase after, the steel slag fine powder of acquisition, slag is blast furnace slag, and flyash is III level fine coal
Ash, cement are 52.5 clinkers.
The preparation facilities of the filling in mine material of the present embodiment, structure is the same as embodiment 1, the filling in mine material of the present embodiment
The preparation step of material are as follows:
(1) water will be added in titanium gypsum filter cake in slurry mixer 1, is stirred for into titanium gypsum slurry A, water in slurry
Gray scale is 1.5；
(2) by clinker, flyash, slag, steel-making slag powder according to ingredient metering ratio, in open type micro medium tubular type ball
Levigate in grinding machine is silicon, aluminium, calcareous mixed powder B, the surface area 400m of powder2/kg；
(3) step 2 is obtained after silicon, aluminium, calcareous mixed powder B weigh according to metering, then added in such a way that multiple spot feeds intake
It in the titanium gypsum slurry A for entering step 1 acquisition, is stirred, mixing time is no more than 5min, obtains tailing cementitious slurry, and will
By being stored in the first conveyance conduit 2 and No. 1 slush pump 3 feeding activation library 4, storage time is no more than cementitious slurry
30min；
(4) the tailing cementitious slurry in library will be activated with No. 2 slush pumps 5, it is dense that Tailings Slurry is connected to by the second conveyance conduit 6
At the dense Tailings Slurry entrance of the row of close machine 7, the clear water on dense rear Tailings Slurry upper layer is used for ore dressing after flowing out by overflow pipe 8
Production cycle uses, and tailing cementitious slurry is sprayed in a manner of 10 stock streams cementitious slurry multithread stock nozzle 9, imports tailing
In the fluid of slurry, rotated in turbulent flow after the endless spiral water conservancy diversion in cyclone pipe 10 by cyclone pipe 10 together
Convective mass transfer immixture, the schematic diagram of immixture is as shown in Figure 1, this is acted in 11 transmission process of third conveyance conduit
Occur always, and be transported to the goaf of underground by way of gravity flow, the filling of underground tailing solidifying is carried out, after obturation 28 days
Core boring sampling unconfined compressive strength be 1.5MPa (glue tail ratio 1:16).
3~embodiment of embodiment 5
The filling in mine material of embodiment 3~5 and its composition and quality proportioning of cementing agent for filling slurry are specifically shown in Table
1, the preparation facilities structure and preparation process of the filling in mine material are the same as embodiment 1.Different zones pair when due to filling in mine
The intensity requirement of obturation is different, and according to table 1 as can be seen that passing through the component proportion and glue tail ratio to each component in cementing agent
Etc. optimizing, so as to meet the performance requirement of different zones obturation.
The composition and quality proportioning of mine filler and its cementing agent for filling slurry in 1 embodiment 1-5 of table
In conclusion the utility model is optimized by component to cementing agent slurry and proportion, in each component
Collective effect under, on the one hand can effectively improve gained obturation intensity and compactness, on the other hand relative to existing glue
Knot agent material can be used in cementing fines, while the cementing agent raw material is essentially technique waste residue, and lower production costs are realized
The rationalization of resource recycles.The Tailings Slurry and above-mentioned cementing agent slurry formed using Total tailing sand and water is stirred as raw material
Mixture prepared filling in mine material, may be implemented the filling of Total tailing sand, and without carrying out classification processing, and gained fills
Intensity and the compactness for filling out body are higher, while cost is relatively low for each component in the filler.
Claims (6)
1. a kind of preparation facilities of filling in mine material, it is characterised in that: including slurry mixer (1), activation library (4) and tailing
It starches concentrator (7), the discharge port of slurry mixer (1) passes through No. 1 slush pump (2) and the first conveyance conduit (3) and activation library (4)
Feed inlet be connected, the discharge gate of the Tailings Slurry concentrator (7) is connected with one end of cyclone pipe (10), cyclone pipe (10) it is another
One end is connected to underground goaf (12) by third conveyance conduit (11), and the discharge port of activation library (4) passes through No. 2 mud
Pump (5) and the second conveyance conduit (6) are connected in the discharge gate of Tailings Slurry concentrator (7).
2. a kind of preparation facilities of filling in mine material according to claim 1, it is characterised in that: second delivery pipe
The output end in road (6) is equipped with multithread stock nozzle (9).
3. a kind of preparation facilities of filling in mine material according to claim 1, it is characterised in that: the activation library (4)
It is interior to be equipped with agitating device.
4. a kind of preparation facilities of filling in mine material according to any one of claim 1-3, it is characterised in that: described
The top of Tailings Slurry concentrator (7) is equipped with clean water overflow pipe (8), which is connected with overflow pond (14).
5. a kind of preparation facilities of filling in mine material according to any one of claim 1-3, it is characterised in that: also wrap
Premixing body agitating device (13) is included, the discharge port of premixing body agitating device (13) is connected to slurry mixer (1) by pipeline
Feed inlet.
6. a kind of preparation facilities of filling in mine material according to claim 5, it is characterised in that: the premixing body stirs
Device (13) are mixed using strength powder mixer or ball mill.
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| CN201821579691.5U CN208814896U (en) | 2018-09-27 | 2018-09-27 | A kind of preparation facilities of filling in mine material |
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| CN201821579691.5U CN208814896U (en) | 2018-09-27 | 2018-09-27 | A kind of preparation facilities of filling in mine material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814733A (en) * | 2021-02-03 | 2021-05-18 | 烟台驰龙建筑节能科技有限公司 | Mining lightweight concrete fills construction equipment |
| CN114772963A (en) * | 2022-06-07 | 2022-07-22 | 安徽省融工博大环保技术材料研究院有限公司 | Tailing curing and filling method, filling material, cementing agent, preparation method and preparation system thereof |
-
2018
- 2018-09-27 CN CN201821579691.5U patent/CN208814896U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112814733A (en) * | 2021-02-03 | 2021-05-18 | 烟台驰龙建筑节能科技有限公司 | Mining lightweight concrete fills construction equipment |
| CN112814733B (en) * | 2021-02-03 | 2022-07-08 | 烟台驰龙建筑节能科技有限公司 | Mining lightweight concrete fills construction equipment |
| CN114772963A (en) * | 2022-06-07 | 2022-07-22 | 安徽省融工博大环保技术材料研究院有限公司 | Tailing curing and filling method, filling material, cementing agent, preparation method and preparation system thereof |
| CN114772963B (en) * | 2022-06-07 | 2023-09-12 | 安徽省融工博大环保技术材料研究院有限公司 | Tailing solidification filling method, filling material, cementing agent, preparation method and preparation system thereof |
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| CB03 | Change of inventor or designer information |
Inventor after: Fan Chuangang Inventor after: Lu Tinggui Inventor after: Fan Xi Inventor after: Zhang Lei Inventor after: Gao Yuanbao Inventor after: Wang Zongwen Inventor after: Liu Yibo Inventor after: Jiang Shaojun Inventor before: Fan Chuangang Inventor before: Lu Tinggui Inventor before: Fan Xi Inventor before: Zhang Lei Inventor before: Gao Yuanbao Inventor before: Wang Zongwen Inventor before: Liu Yibo Inventor before: Jiang Shaojun |