CN110130977A - A kind of method of coal base solid waste slip casting fill system and slip casting - Google Patents
A kind of method of coal base solid waste slip casting fill system and slip casting Download PDFInfo
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- CN110130977A CN110130977A CN201910409133.7A CN201910409133A CN110130977A CN 110130977 A CN110130977 A CN 110130977A CN 201910409133 A CN201910409133 A CN 201910409133A CN 110130977 A CN110130977 A CN 110130977A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/83—Mixing plants specially adapted for mixing in combination with disintegrating operations
- B01F33/831—Devices with consecutive working receptacles, e.g. with two intermeshing tools in one of the receptacles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B2201/00—Details applicable to machines for screening using sieves or gratings
- B07B2201/04—Multiple deck screening devices comprising one or more superimposed screens
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to coal mine lasting exploit fields, disclose the method for a kind of coal base solid waste slip casting fill system and slip casting, including classification subsystem and slurrying subsystem；Being classified subsystem includes the first grading plant and the second grading plant；At least one sieve is equipped in first grading plant and the second grading plant, the first grading plant and the second grading plant are divided into multiple stage units for stacking gradually arrangement by sieve；At least one stage unit of first grading plant is connect by belt feeder with the uppermost stage unit of the second grading plant, and the first grading plant is left whole stage units in other stage units and the second grading plant and is connect by corresponding feed bin with slurrying subsystem.Coal electricity solid waste is classified by the present invention by classification subsystem, and the product after classification is carried out slurrying respectively or in proportion by slurrying subsystem, is used it as the grouting filling for slowing down ground settlement, is realized the harmless treatment of solid waste.
Description
Technical field
The present invention relates to coal mine lasting exploit field, in particular to a kind of side of coal base solid waste slip casting fill system and slip casting
Method.
Background technique
The exploitation of coal resources will lead to serious ecological environment problem and social concern: on the one hand, the resources such as coal exist
A large amount of solid waste can be generated during production and utilization；On the other hand, caused by the underground mining of the resources such as coal
The series geological disaster such as table depression will also result in serious destruction to ecological environment.
A large amount of stackings of coal base solid waste (gangue, flyash, cinder, drilling core and mud etc.), not only cover soil,
Land resource is wasted, leaching water is also possible to pollute surrounding soil and underground water, in addition, containing in gangue, coal slime
Certain combustible, spontaneous combustion discharge sulfur dioxide, nitrogen oxides, oxycarbide and flue dust etc. can occur under appropriate conditions to be had
Evil gaseous contamination atmospheric environment, destroys ecological environment.
Land subsidence caused by coal mining will also result in destruction to local environment: first is that will affect the matter of earth's surface sandy soil
Amount.Subsidence Area leads to the physical property deterioration of sandy soil due to surface subsidence, makes the reduction of grassland animal husbandry level of agricultural production；Second is that danger
And above ground structure and infrastructure.Surface subsidence not only results in ground building and generates crack or deformation, to highway, railway and
The destruction of the facilities such as power supply communication is also extremely serious.
" the coal mine filling exploitation work of National Energy Board, the Ministry of Finance, Ministry of Land and Resources and Environmental Protection Department in joint publication
Instruction " in propose: Newly-built Coal Mine no longer sets up permanent ground hillock, and the gangue of interim turnover stockpiling will be formulated comprehensive
Utilization plan is closed, underground filling is preferentially used for." the total utilization of PCA of 10 department's joint revisions such as National Development and Reform Commission
Management method " in also clearly establish the guiding theory for adhering to " utility as core ", to total utilization of PCA project investment political affairs
It gives and supports in terms of plan, construction fund, and carry out preferential policy support.
China's coal base solidification disposal of waste approach is mainly divided to two classes at present, and one kind is comprehensive utilization, and another kind of is underground disposition.It is comprehensive
It closes to utilize and predominantly fills out road, land reclamation, power generation, production building materials etc..But with the development of technology, Mei electricity enterprise is raw
The expansion of production scale, traditional method of disposal can not all digest solid waste, especially in China central and west regions, produce building materials and
Land reclamation etc. is less using demand, and solid waste freight is higher, and environmental protection administration checks source responsibility severely to solid waste pollution problem, because
It is very urgent that this explores low-cost super large solidification disposal of waste technology.
Summary of the invention
(1) technical problems to be solved
In view of above-mentioned technological deficiency and application demand, the application proposes a kind of coal base solid waste slip casting fill system and slip casting
Method not only can solve solid waste land occupation, environmental pollution, waste the problem of land resource, while can also reduce coal mining and cause
Surface subsidence, control effectively to goaf surface subsidence.
(2) technical solution
To solve the above problems, the present invention provides a kind of coal base solid waste slip casting fill system, comprising: classification subsystem and system
Starch subsystem；For coal electricity solid waste to be classified, the slurrying subsystem is used for classification the classification subsystem
Coal electricity solid waste after system level carries out slurrying；The classification subsystem includes: the first grading plant and the second grading plant；Institute
It states and is equipped at least one sieve in the first grading plant and second grading plant, the sieve fills first classification
It sets and is divided into multiple stage units for stacking gradually arrangement with second grading plant；Wherein, first grading plant
At least one described stage unit connect with the uppermost stage unit of second grading plant by belt feeder, institute
The whole stage unit stated in the remaining other stage units of the first grading plant and second grading plant is equal
It is connect by corresponding feed bin with the slurrying subsystem.
Further, the first sieve and the second sieve are equipped in first grading plant, first sieve and described
First grading plant is separated into the first stage unit, the second stage unit and third for stacking gradually arrangement by the second sieve
Stage unit；Third sieve is equipped in second grading plant, second grading plant is separated by the third sieve
Stack gradually the 4th stage unit and the 5th stage unit of arrangement.
Further, the aperture of first sieve, second sieve and the third sieve is gradually reduced.
Further, first stage unit is connect by the first classifying bunker with the slurrying subsystem；Described
Two stage units are connect by the second classifying bunker with the slurrying subsystem；The third stage unit passes through belt feeder and institute
State the connection of the 4th stage unit；4th stage unit is connect by third classifying bunker with the slurrying subsystem；It is described
5th stage unit is connect by fine coal ash cellar with the slurrying subsystem.
Further, the slurrying subsystem includes: pretreatment unit and agitating device interconnected；Described first point
Grade feed bin, second classifying bunker and the third classifying bunker pass through belt feeder and connect with the pretreatment unit；Institute
Fine coal ash cellar is stated to connect by belt feeder with agitating device.
Further, the pretreatment unit includes the crusher being successively linked in sequence, sand making machine, intermediate bunker, ball milling
Machine and uniform batch bin；First classifying bunker, second classifying bunker and the third classifying bunker pass through belt
Machine is connect with the crusher.
Further, the agitating device includes the first blender, the second blender and grouting pump being successively linked in sequence；
The fine coal ash cellar is connected with first blender, and the grouting pump is for slurry to be delivered in absciss layer.
Further, first grading plant and second grading plant are respectively connected with driving device, the driving
Device is for controlling first grading plant and second grading plant vibration.
Further, first grading plant and second grading plant are respectively connected with shock-damping structure.
To solve the above problems, the present invention proposes a kind of side for carrying out slip casting using above-mentioned coal base solid waste slip casting fill system
Method, described method includes following steps:
After coal electricity solid waste is classified by classification subsystem, slurrying subsystem is utilized to carry out slurrying；
Sampling hole is opened up in earth's surface；
Each rock stratum is sampled by sampling hole, the layer position information to obtain each key stratum；
Before pressing, the injected hole for extending to grouting horizon is opened up in earth's surface, grouting horizon is in working face generating period
The key stratum for closing on top plate and layer position where absciss layer between soft layer below；
Slurries are injected in the corresponding absciss layer of grouting horizon by injected hole.
(3) beneficial effect
The present invention provides the method for a kind of coal base solid waste slip casting fill system and slip casting, the coal base solid waste slip casting fill system
It first passes through classification subsystem to be classified coal electricity solid waste, respectively to the gangue and coal ash of the different-grain diameter in coal electricity solid waste
Classify, then the product after classification is carried out respectively or in proportion by slurrying by slurrying subsystem, final product is made can
It is used as the mine overlying strata separation layer grouting filling for slowing down ground settlement, increases substantially the treatment effeciency of coal electricity solid waste, reach
The harmless treatment of coal electricity solid waste is realized in solid waste no pollution zero-emission.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of coal base solid waste slip casting fill system provided in an embodiment of the present invention；
Wherein, 1: the first grading plant；2: the second grading plants；3: sieve；4: driving device；5: the first classifying bunkers；
6: the second classifying bunkers；7: third classifying bunker；8: fine coal ash cellar；9: crusher；10: sand making machine；11: intermediate bunker；12: ball
Grinding machine；13: uniform batch bin；14: the first blenders；15: the second blenders；16: grouting pump.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of coal base solid waste slip casting fill system, as shown in Figure 1, comprising: classification subsystem and
Slurrying subsystem；For coal electricity solid waste to be classified, slurrying subsystem is used for the classification subsystem point classification subsystem
Coal electricity solid waste after grade carries out slurrying.Being classified subsystem includes: the first grading plant 1 and the second grading plant 2；First classification dress
Set 1 and second and be equipped at least one sieve 3 in grading plant 2, sieve 3 by the first grading plant 1 and the second grading plant 2
It is divided into multiple stage units for stacking gradually arrangement.Wherein, at least one stage unit of the first grading plant 1 passes through belt
Machine is connect with the uppermost stage unit of the second grading plant 2, the remaining other stage units of the first grading plant 1 and
Whole stage units in two grading plants 2 are connect by corresponding feed bin with slurrying subsystem.
During the work time, coal electricity solid waste is by classification subsystem, in the first grading plant 1 and for the grouting filling system
It is successively screened in two grading plants 2, can be classified the gangue of different-grain diameter in coal electricity solid waste and coal ash after screening,
Into in different feed bins.After classification, can sequentially or simultaneously enter slurrying subsystem according to the product after classification, carry out slurrying or
Slurrying is carried out, in proportion to produce the slurries for completing different size according to actual needs.Finally slurries can be injected grouting horizon
In corresponding absciss layer.
It should be noted that since, according to the difference of coal mine and combustion case, each workshop coal is electric in actual production process
Impurity contained in solid waste is distinct.Therefore, classification dress can be increased or decreased in actual production process according to actual needs
Set the quantity with sieve 3 in each grading plant.
The embodiment of the present invention provides a kind of coal base solid waste slip casting fill system, which first passes through
Coal electricity solid waste is classified by classification subsystem, is divided respectively the gangue and coal ash of the different-grain diameter in coal electricity solid waste
Class, then the product after classification is carried out by slurrying subsystem by slurrying respectively or in proportion, final product, which can be used as, to be slowed down
The mine overlying strata separation layer grouting filling of ground settlement uses, and increases substantially the treatment effeciency of coal electricity solid waste, and it is dirty to reach solid waste zero
Zero-emission is contaminated, realizes the harmless treatment of coal electricity solid waste.
According to one embodiment of present invention, as shown in Figure 1, the first grading plant 1 and the second grading plant 2 connect
It is connected to driving device 4, driving device 4 is by driving transmission eccentric flywheel rotation, for controlling the first grading plant 1 and second point
Stage arrangement 2 vibrates.First grading plant 1 and the second grading plant 2 are respectively connected with shock-damping structure.In the present embodiment, the first classification
Device 1 and the second grading plant 2 are located on four rigidity springs, to guarantee the first grading plant 1 and the second grading plant 2
Vibration in classification process.
According to one embodiment of present invention, as shown in Figure 1, being equipped with the first sieve and the in the first grading plant 1
First grading plant 1 is separated into the first stage unit for stacking gradually arrangement, second by two sieves, the first sieve and the second sieve
Stage unit and third stage unit.It is equipped with third sieve in second grading plant 2, third sieve divides the second grading plant 2
It is divided into the 4th stage unit and the 5th stage unit for stacking gradually arrangement.Wherein, the first sieve, the second sieve and third sieve
Aperture be gradually reduced.
In the present embodiment, the first stage unit is connect by the first classifying bunker 5 with slurrying subsystem.Second stage unit
It is connect by the second classifying bunker 6 with slurrying subsystem.Third stage unit is connect by belt feeder with the 4th stage unit.The
Four stage units are connect by third classifying bunker 7 with slurrying subsystem.5th stage unit passes through fine coal ash cellar 8 and slurrying
System connection.
In the course of work, coal electricity solid waste passes sequentially through the first grading plant 1 and the second grading plant 2, single in the first classification
After member, the second stage unit, third stage unit, the 4th stage unit and the screening of the 5th stage unit, first point is respectively enterd
Grade feed bin 5, the second classifying bunker 6, third classifying bunker 7 and fine coal ash cellar 8.It, can basis after coal electricity solid waste classification processing
Product after classification sequentially or simultaneously enters slurrying subsystem, directly carries out slurrying or carries out slurrying in proportion, also or carries out
Coal electricity solid waste is carried out harmless treatment by other processing.
According to one embodiment of present invention, as shown in Figure 1, slurrying subsystem includes: pretreatment interconnected
Device and agitating device.First classifying bunker 5, the second classifying bunker 6 and third classifying bunker 7 pass through belt feeder and pretreatment
Device connection.Fine coal ash cellar 8 is connect by belt feeder with agitating device.
Wherein, pretreatment unit includes the crusher 9 being successively linked in sequence, sand making machine 10, intermediate bunker 11, ball mill 12
With uniform batch bin 13.First classifying bunker 5, the second classifying bunker 6 and third classifying bunker 7 pass through belt feeder and crusher
9 connections.When pretreatment unit works, gangue in the first classifying bunker 5, the second classifying bunker 6 or third classifying bunker 7 into
Enter crusher 9, crusher 9 crushes gangue, and smashed gangue enters sand making machine 10 and crushed again, then
Enter intermediate bunker 11 by belt feeder.Ball mill 12 is entered by belt feeder after the distribution of intermediate bunker 11, is crushed
And slurries are formed, the gangue for forming slurry, which enters in uniform batch bin 13, to be uniformly mixed.
Wherein, agitating device includes the first blender 14, the second blender 15 and grouting pump 16 being successively linked in sequence.Powder
Coal ash storehouse 8 is connected with the first blender 14, and grouting pump 16 is for slurry to be delivered in absciss layer.Grouting pump 16 is variable frequency pump.Note
The grouting pressure of stock pump 16 is not less than the pressure of grouting horizon overlying rock.When agitating device works, in uniform batch bin 13
Slurries enter the first blender 14, while the coal ash in fine coal ash cellar 8 enters the first blender 14 by belt feeder, then will stirring
Mixed serum afterwards enters back into the second blender 15 and is stirred again.It can be selected according to the state for the gangue for forming slurry
Mixing time after stirring, can finally be injected slurries in the corresponding absciss layer of grouting horizon by grouting pump 16.
The system can reduce to mine and draw while solving the problems, such as solid waste land occupation, environmental pollution, waste land resource
The surface subsidence risen, can control effectively to goaf surface subsidence.
The embodiment of the present invention also provides a kind of method for carrying out slip casting using coal base solid waste slip casting fill system, coal base solid waste
Slip casting fill system is as shown in Figure 1, comprising: classification subsystem and slurrying subsystem；Being classified subsystem includes: the first grading plant
1 and second grading plant 2；It is equipped at least one sieve 3 in first grading plant 1 and the second grading plant 2, sieve 3 is by
One grading plant 1 and the second grading plant 2 are divided into multiple stage units for stacking gradually arrangement.Wherein, the first classification dress
It sets 1 at least one stage unit connect by belt feeder with the uppermost stage unit of the second grading plant 2, first is classified and fills
Set 1 and the remaining other stage units of the second grading plant 2 connect by corresponding feed bin with slurrying subsystem.More
Specific structure please refers to the relevant verbal description of above-mentioned Fig. 1, and details are not described herein.
The method of slip casting includes the following steps:
S1: after coal electricity solid waste is classified by classification subsystem, slurrying subsystem is utilized to carry out slurrying.
S2: sampling hole is opened up in earth's surface.
S3: each rock stratum is sampled by sampling hole, the layer position information to obtain each key stratum.
S4: before pressing, the injected hole for extending to grouting horizon, grouting horizon are opened up in earth's surface in working face generating period
For the key stratum for closing on top plate and layer position where absciss layer between soft layer below.
S5: slurries are injected in the corresponding absciss layer of grouting horizon by injected hole.
In a specific embodiment, as shown in Figure 1, coal electricity solid waste passes sequentially through the first grading plant 1 and second point
Stage arrangement 2 is sieved in the first stage unit, the second stage unit, third stage unit, the 4th stage unit and the 5th stage unit
After choosing, the first classifying bunker 5, the second classifying bunker 6, third classifying bunker 7 and fine coal ash cellar 8 are respectively enterd.By coal electricity solid waste
After classification processing, slurrying subsystem can sequentially or simultaneously be entered according to the product after classification, directly carry out slurrying or in proportion
Slurrying is carried out, also or other processing is carried out, coal electricity solid waste is subjected to harmless treatment.When pretreatment unit works, first point
Gangue in grade feed bin 5, the second classifying bunker 6 or third classifying bunker 7 enters crusher 9, and crusher 9 carries out gangue
It crushes, smashed gangue enters sand making machine 10 and crushed again, then enters intermediate bunker 11 by belt feeder.By
Ball mill 12 is entered by belt feeder after the distribution of intermediate bunker 11, is crushed and is formed slurries, form the gangue of slurry
It enters in uniform batch bin 13 and is uniformly mixed.When agitating device works, the slurries in uniform batch bin 13 enter the first stirring
Machine 14, at the same the coal ash in fine coal ash cellar 8 by belt feeder enter the first blender 14, then by the mixed serum after stirring again into
Enter the second blender 15 to be stirred again, i.e. completion slurrying.Then sampling hole is opened up in earth's surface, by sampling hole to each rock
Layer be sampled, the layer position information to obtain each key stratum.In working face generating period before pressing, extension is opened up in earth's surface
To the injected hole of grouting horizon, grouting horizon is the key stratum and layer where absciss layer between soft layer below for closing on top plate
Position.Slurries can finally be injected in the corresponding absciss layer of grouting horizon by grouting pump 16.
Wherein, before pressing, the injected hole for extending to grouting horizon is opened up in earth's surface, specially in working face generating period
When the advance distance of working face is equal to 0.5~1 periodic weighting step pitch, the slip casting for extending to grouting horizon is opened up in earth's surface
Hole.
In the present embodiment, additive, such as antifreezing agent, accelerator, slow setting can be added in slurries according to the state of slurries
Agent and/or thickener etc..
The method of slip casting provided in an embodiment of the present invention first passes through classification subsystem and is classified coal electricity solid waste, respectively
Classify to the gangue and coal ash of the different-grain diameter in coal electricity solid waste, then passes through slurrying subsystem for the product after classification
Slurrying is carried out respectively or in proportion, and final product can make as the mine overlying strata separation layer grouting filling for slowing down ground settlement
With increasing substantially the treatment effeciency of coal electricity solid waste, reach solid waste no pollution zero-emission, realize the innoxious place of coal electricity solid waste
Reason.
In conclusion the method for coal base solid waste slip casting fill system and slip casting provided by the invention, implements Industrial Solid Waste
Grouting filling, what is taken gives it, return one's own department or unit, really realize the energy " wherefrom come, where " Green Development.It is scientific and reasonable
Fixed-end forces problem is solved using coal mine underground space, environment protection significance is great.Overlying strata " key stratum will be formed after grouting filling
Structure-filling is compacted supporting region-section isolated coal pillar " composite support bearing structure, to realize to mined out surface subsidence
Effectively control, the support bearing body of generation can also effectively control cover hard-and-thick strata be broken suddenly generation energy release,
Meanwhile slip casting water barrier will be formed after bed separation space grouting, slow down supply of the water-bearing layer to stope.The implementation of the technology can be by work
Industry fixed-end forces cost substantially reduces, while the treatment in situ of solid waste reduces the cumbersome work such as transport.In addition, the technology at
It is ripe rationally to be easy to replicate, it is low in cost, original place harmless treatment can be carried out to large solid waste of big moulded coal electricity enterprise, realize coal
Electric enterprise's solid waste no pollution zero-emission, service Mei electricity enterprise produce overall process.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of coal base solid waste slip casting fill system characterized by comprising
It is classified subsystem and slurrying subsystem；The classification subsystem is for coal electricity solid waste to be classified, the slurrying subsystem
It unites for the coal electricity solid waste after the classification subsystem classification to be carried out slurrying；The classification subsystem includes: the first classification dress
It sets and the second grading plant；
It is equipped at least one sieve in first grading plant and second grading plant, the sieve is by described first
Grading plant and second grading plant are divided into multiple stage units for stacking gradually arrangement；Wherein, described first point
At least one of stage arrangement stage unit passes through belt feeder and the uppermost stage unit of second grading plant
It connects, the whole classification in the remaining other stage units of the first grading plant and second grading plant
Unit is connect by corresponding feed bin with the slurrying subsystem.
2. coal base solid waste slip casting fill system according to claim 1, which is characterized in that set in first grading plant
There are the first sieve and the second sieve, first grading plant is separated into successively layer by first sieve and second sieve
The first stage unit, the second stage unit and the third stage unit of folded arrangement；Third is equipped in second grading plant to sieve
Net, second grading plant is separated into the 4th stage unit for stacking gradually arrangement by the third sieve and the 5th classification is single
Member.
3. coal base solid waste slip casting fill system according to claim 2, which is characterized in that first sieve, described
The aperture of two sieves and the third sieve is gradually reduced.
4. coal base solid waste slip casting fill system according to claim 2, which is characterized in that first stage unit passes through
First classifying bunker is connect with the slurrying subsystem；Second stage unit passes through the second classifying bunker and slurrying
System connection；The third stage unit is connect by belt feeder with the 4th stage unit；4th stage unit is logical
Third classifying bunker is crossed to connect with the slurrying subsystem；5th stage unit passes through fine coal ash cellar and the slurrying subsystem
System connection.
5. coal base solid waste slip casting fill system according to claim 4, which is characterized in that the slurrying subsystem includes:
Pretreatment unit and agitating device interconnected；First classifying bunker, second classifying bunker and the third point
Grade feed bin passes through belt feeder and connect with the pretreatment unit；The fine coal ash cellar is connected by belt feeder and the agitating device
It connects.
6. coal base solid waste slip casting fill system according to claim 5, which is characterized in that the pretreatment unit include according to
Crusher, sand making machine, intermediate bunker, ball mill and the uniform batch bin of secondary sequential connection, first classifying bunker, described
Two classifying bunkers and the third classifying bunker pass through belt feeder and connect with the crusher.
7. coal base solid waste slip casting fill system according to claim 5, which is characterized in that the agitating device includes successively
The first blender, the second blender and the grouting pump being linked in sequence, the fine coal ash cellar is connected with first blender, described
Grouting pump is for slurry to be delivered in absciss layer.
8. coal base solid waste slip casting fill system according to claim 1, which is characterized in that first grading plant and institute
It states the second grading plant and is all connected with driving device, the driving device is for controlling first grading plant and second point described
Stage arrangement vibration.
9. coal base solid waste slip casting fill system according to claim 8, which is characterized in that first grading plant and institute
It states the second grading plant and is all connected with shock-damping structure.
10. a kind of method for carrying out slip casting using the described in any item coal base solid waste slip casting fill systems of such as claim 1-9,
It is characterized in that, described method includes following steps:
After coal electricity solid waste is classified by classification subsystem, slurrying subsystem is utilized to carry out slurrying；
Sampling hole is opened up in earth's surface；
Each rock stratum is sampled by sampling hole, the layer position information to obtain each key stratum；
The injected hole for extending to grouting horizon before pressing, is opened up in earth's surface in working face generating period, grouting horizon is to close on
Layer position where absciss layer between the key stratum of top plate and below soft layer；
Slurries are injected in the corresponding absciss layer of grouting horizon by injected hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409133.7A CN110130977A (en) | 2019-05-16 | 2019-05-16 | A kind of method of coal base solid waste slip casting fill system and slip casting |
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| CN111794799A (en) * | 2020-07-16 | 2020-10-20 | 中煤天津设计工程有限责任公司 | Solid waste treatment technology for ground drilling, grouting and filling of old goaf |
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Application publication date: 20190816 |