CN106927774B - Filler for mine enclosed material and preparation facilities - Google Patents
Filler for mine enclosed material and preparation facilities Download PDFInfo
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- CN106927774B CN106927774B CN201710227414.1A CN201710227414A CN106927774B CN 106927774 B CN106927774 B CN 106927774B CN 201710227414 A CN201710227414 A CN 201710227414A CN 106927774 B CN106927774 B CN 106927774B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00724—Uses not provided for elsewhere in C04B2111/00 in mining operations, e.g. for backfilling; in making tunnels or galleries
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to mining materials, it is therefore an objective to provide a kind of filler for mine enclosed material.Technical solution are as follows: it is 2.2 parts of the hydroxypropyl starch ether of 300~600mPas, 1.5 parts of redispersable latex powder of vinyl acetate-ethylene copolymer type that the weight group of material, which becomes 100 parts of water, 50 parts of flyash, 2 parts of gypsum, 12 parts of 42.5R cement, 8 parts of white lime, 1.6 parts of fatty alcohol polyoxyethylene ether, 7 parts of hydroxyethylmethylcellulose, 2.4 parts of lauryl sodium sulfate, 1.4 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 1.8 parts of polyphosphoric acids, viscosity, 8 parts of glass fibre of the length less than 2mm and the silane coupling agent for being enough sized glass fibres.Flame Retardancy of the present invention can be excellent, simple process, low in cost, no to decompose, is nontoxic based on inorganic material, can be largely using will not bring security risk.
Description
Technical field
The present invention relates to a kind of filler for mine enclosed material and preparation facilities.
Background technique
In coal mine driving, stoping operation, inbreak, wall caving are inevitably resulted from, forms hole.These holes are frequent
Methane accumulation is caused, not only increases the risk of gas explosion, and can also cause spontaneous combustion having spontaneously inflammable coal seam
It is under fire.Therefore, these holes are only filled in time, can just be ensured safety in production.China's coal-mine, which is typically employed in, emits pick-up point frame
Grillage the methods of is filled out mortar and is handled, but these methods are time-consuming, laborious, difficulty of construction is big, and cannot be guaranteed really to eliminate thing
Therefore hidden danger.In addition, goaf is not isolated, underground ventilating is influenced, domestic traditional explosion-proof fire dam is mostly brick wall structure, and construction is used
Brick, sand, cement etc. carry out assembling bonding, this method amount of labour is big, low efficiency, with the raising of coal Mechanion degree,
It is difficult to meet modern production requirement using traditional construction technology.Therefore exploitation is used for the novel filling of underground coal mine, closed material
Material seems extremely urgent.
It is external one to grow up at the seventies initial stage that it is backfilled enclosed, which to carry out inbreak hole, for macromolecule chemical material
New technology, technology appearance are rapidly developed in main producing coal country, the world.China begins one's study lane at the nineties initial stage
The closed technology of road inbreak hole chemical material grouting filling, and have been achieved with preferable economic benefit and social benefit.But now
That there is prices is higher, inflammable for polyurethane backfilled enclosed material, reaction temperature is high, reaction when generate a large amount of toxic gases
Disadvantage.
Summary of the invention
Technical problem solved by the invention is to provide one kind and is based on based on inorganic material, and flame retardant property is good, nontoxic, nothing point
The filler for mine enclosed material of solution.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of filler for mine enclosed material, weight group become
100 parts of water, 45~55 parts of flyash, 1~3 part of gypsum, 10~16 parts of cement, 8~12 parts of white lime, fatty alcohol polyoxyethylene ether
1.2~1.8 parts, 5.5~8.0 parts of hydroxyethylmethylcellulose, 2~3 parts of lauryl sodium sulfate, fatty alcohol polyoxyethylene ether sulphur
1~1.5 part of sour sodium, 1.5~2.0 parts of polyphosphoric acids, 2~2.5 parts of hydroxypropyl starch ether, the acetic acid that viscosity is 300~600mPas
1.0~1.5 parts of the redispersable latex powder of ethylene-vinyl copolymer type, glass fibre 8~15 part of the length less than 2mm and
It is enough the silane coupling agent of sized glass fibres.
Preparation step is:
1): in main agitator tank be added water, flyash, fatty alcohol polyoxyethylene ether, hydroxyethylmethylcellulose, gypsum,
Cement, white lime, blender are formed uniformly pulverized fuel ash slurry；
2): adding a small amount of water and polyphosphoric acids, hydroxypropyl starch ether, redispersable latex powder to stir evenly shape in agitator
At epoxy glue mucus；
3): lauryl sodium sulfate, sodium sulfate of polyethenoxy ether of fatty alcohol being dissolved in suitable quantity of water in pill tank and being stirred
Dissolution forms solution；
4): the glass fibre after above-mentioned solution and epoxy glue mucus, silane coupling agent infiltration is mixed into the powder of main agitator tank
Coal ash slurries are slowly stirred uniformly, obtain filler for mine enclosed material.
Preferably, in the step 4), blender with 100 ± 20 revs/min of rotational speeds, mixing time is 6~
8min。
Correspondingly, the preparation facilities of backfilled enclosed material of the present invention, including main agitator tank, the interior setting stirring of main agitator tank
Device, main agitator tank top is open architecture and is provided with mounting rack, and mounting rack is used to install the motor of blender；The device
Including agitator and pill tank, the agitator and pill tank are attached to the side wall on main agitator tank top and by pipeline and valve
It is connected to main agitator tank inner cavity；Agitating paddle is set in the agitator, and agitating paddle is driven by motor.
Beneficial effects of the present invention: the present invention is using fatty alcohol polyoxyethylene ether, hydroxyethylmethylcellulose as surface
Activating agent enables to pulverized fuel ash slurry solid phase particles evenly dispersed, facilitates stable system.Lauryl sodium sulfate and fat
Based on alcohol polyethenoxy ether sodium sulfate, fatty alcohol polyoxyethylene ether, organic surface of hydroxyethylmethylcellulose synergistic effect are living
Property agent system superior foams performance can be provided, can produce sufficient bubble in stirring preparation process.Polyphosphoric acids, hydroxypropyl
Organic gluing system that base starch ether, redispersable latex powder are constituted, which is capable of providing, stablizes quick glueability, can be realized
Stable filling system is quickly formed in 20min at room temperature after seepage flow dispersion.What cement, gypsum, white lime were constituted answers
The hydration reaction that solid system promotes flyash is closed, so that solid matter rapid curing, the physics of specific glass fiber reinforced materials
Performance, foam compressive property are excellent.Significantly reduce the dosages such as gypsum, cement, white lime simultaneously, main use cost is low, quality
Light flyash is main material；It is good in economic efficiency；Ensure foams performance and physical property again simultaneously.
In the prior art because gypsum, cement, white lime dosage increase foaming effect difference later or be difficult to bubble,
Also there is the biggish technical solution of flyash dosage；But flyash dosage directly results in the resistance to compression of material, adhesive property reduces, practice
The Material reinforcement measure for needing to cooperate other complicated in use.And backfilled enclosed material dosage is very big, complex process, it is at high cost all
It influences to promote and use.The present invention is successfully solved in the prior art by the foundation of compound bubble and organic system
This problem.Flame Retardancy can be excellent simultaneously, simple process, low in cost, no to decompose, is nontoxic based on inorganic material,
It can be largely using security risk will not be brought.And aerated fluid permeance property is good, quickly, the time can pass through three kinds of glue for solidification
Viscous material amounts appropriate adjustment.Meet coal mine and other various mining area backfilled enclosed the needs of using.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of preparation facilities of the invention.
Specific embodiment
Filler for mine enclosed material as shown in Figure 1 prepares dedicated unit, including main agitator tank 10, sets in main agitator tank 10
Blender 11, main 10 bottom of agitator tank setting discharge port 14 and valve are set, is open design, top installation at the top of main agitator tank 10
Bead is equipped with mounting rack, and mounting rack is used to install the motor 12 of blender 11.The device includes agitator 20 and ingredient
Cylinder 30, the agitator 20 and pill tank 30 are attached on the side wall on main 10 top of agitator tank and are stirred by pipeline and valve with master
Mix the connection of 10 inner cavity of tank；Agitating paddle 21 is set in the agitator 20, agitating paddle 21 is driven by motor 22.Setting increase is opened wide to stir
It contacts during mixing with air and foams performance.Agitator 20 and pill tank 30 are attached to the side of the side wall on main 10 top of agitator tank
Formula facilitates integration of equipments and use.
Specific preparation process is illustrated below with reference to above-mentioned dedicated unit, so that those skilled in the art are more
Clear implementation and effect of the invention.
Embodiment one
By following weight form stock up: 100 parts of water, particle particle size range be 0.5~300 μm 45 parts of flyash, stone
3 parts of cream, 10 parts of 42.5R cement, 12 parts of white lime, 1.2 parts of fatty alcohol polyoxyethylene ether, 6.5 parts of hydroxyethylmethylcellulose, ten
2 parts of sodium dialkyl sulfate, 1 part of sodium sulfate of polyethenoxy ether of fatty alcohol, 1.5 parts of polyphosphoric acids, viscosity are 300~600mPas's
2 parts of hydroxypropyl starch ether, 1.2 parts of the redispersable latex powder of vinyl acetate-ethylene copolymer type, length are less than the glass of 2mm
12 parts of glass fiber and the silane coupling agent for being enough sized glass fibres.
Preparation step is:
1): 80 parts of water being added in main agitator tank and whole flyash, fatty alcohol polyoxyethylene ether, hydroxyethyl methyl are fine
Element, gypsum, cement, white lime are tieed up, blender is formed uniformly pulverized fuel ash slurry, 1000 turns/min of speed of agitator；
2): in agitator plus 15 parts of water equal with whole polyphosphoric acids, hydroxypropyl starch ether, redispersable latex powder stirring
Even formation epoxy glue mucus, 200 turns/min of speed of agitator；
3): lauryl sodium sulfate, sodium sulfate of polyethenoxy ether of fatty alcohol being dissolved in 5 parts of water in pill tank and being stirred manually
It mixes dissolution and forms solution；
4): the glass fibre after above-mentioned solution and epoxy glue mucus, silane coupling agent infiltration is mixed into the powder of main agitator tank
Coal ash slurries, blender obtain filler for mine enclosed material with 100 ± 20 revs/min of rotational speeds, mixing time 6min.
Embodiment two
By following weight form stock up: 100 parts of water, particle particle size range be 0.5~300 μm 55 parts of flyash, stone
1 part of cream, 15 parts of 42.5R cement, 10 parts of white lime, 1.8 parts of fatty alcohol polyoxyethylene ether, 8 parts of hydroxyethylmethylcellulose, 12
2.5 parts of sodium alkyl sulfate, 1.2 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 2 parts of polyphosphoric acids, viscosity are 300~600mPas's
1.2 parts of redispersable latex powder of 2.2 parts of hydroxypropyl starch ether, vinyl acetate-ethylene copolymer type, length is less than 2mm's
10 parts of glass fibre and the silane coupling agent for being enough sized glass fibres.
Preparation step is:
1): 80 parts of water being added in main agitator tank and whole flyash, fatty alcohol polyoxyethylene ether, hydroxyethyl methyl are fine
Element, gypsum, cement, white lime are tieed up, blender is formed uniformly pulverized fuel ash slurry, 1000 turns/min of speed of agitator；
2): in agitator plus 15 parts of water equal with whole polyphosphoric acids, hydroxypropyl starch ether, redispersable latex powder stirring
Even formation epoxy glue mucus, 300 turns/min of speed of agitator；
3): lauryl sodium sulfate, sodium sulfate of polyethenoxy ether of fatty alcohol be dissolved in 5 parts of water in pill tank stir it is molten
Solution forms solution；
4): the glass fibre after above-mentioned solution and epoxy glue mucus, silane coupling agent infiltration is mixed into the powder of main agitator tank
Coal ash slurries, blender obtain filler for mine enclosed material with 100 ± 20 revs/min of rotational speeds, mixing time 7min.
Embodiment three
By following weight form stock up: 100 parts of water, particle particle size range be 0.5~300 μm 50 parts of flyash, stone
2 parts of cream, 12 parts of 42.5R cement, 8 parts of white lime, 1.6 parts of fatty alcohol polyoxyethylene ether, 7 parts of hydroxyethylmethylcellulose, 12
2.4 parts of sodium alkyl sulfate, 1.4 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 1.8 parts of polyphosphoric acids, viscosity are 300~600mPas
2.2 parts of hydroxypropyl starch ether, 1.5 parts of redispersable latex powder of vinyl acetate-ethylene copolymer type, length is less than 2mm
8 parts of glass fibre and be enough the silane coupling agents of sized glass fibres.
Preparation step is:
1): 82 parts of water being added in main agitator tank and whole flyash, fatty alcohol polyoxyethylene ether, hydroxyethyl methyl are fine
Element, gypsum, cement, white lime are tieed up, blender is formed uniformly pulverized fuel ash slurry, 1000 turns/min of speed of agitator；
2): in agitator plus 12 parts of water equal with whole polyphosphoric acids, hydroxypropyl starch ether, redispersable latex powder stirring
Even formation epoxy glue mucus, 400 turns/min of speed of agitator；
3): lauryl sodium sulfate, sodium sulfate of polyethenoxy ether of fatty alcohol be dissolved in 6 parts of water in pill tank stir it is molten
Solution forms solution；
4): the glass fibre after above-mentioned solution and epoxy glue mucus, silane coupling agent infiltration is mixed into the powder of main agitator tank
Coal ash slurries, blender obtain filler for mine enclosed material with 100 ± 20 revs/min of rotational speeds, mixing time 8min.
Example IV
By following weight form stock up: 100 parts of water, particle particle size range be 0.5~300 μm 55 parts of flyash, stone
2 parts of cream, 15 parts of 42.5R cement, 10 parts of white lime, 1.5 parts of fatty alcohol polyoxyethylene ether, 6 parts of hydroxyethylmethylcellulose, 12
2.4 parts of sodium alkyl sulfate, 1.2 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 1.6 parts of polyphosphoric acids, viscosity are 300~600mPas
2 parts of hydroxypropyl starch ether, 1.5 parts of redispersable latex powder of vinyl acetate-ethylene copolymer type, length is less than 2mm's
13 parts of glass fibre and the silane coupling agent for being enough sized glass fibres.
Preparation step is:
1): 82 parts of water being added in main agitator tank and whole flyash, fatty alcohol polyoxyethylene ether, hydroxyethyl methyl are fine
Element, gypsum, cement, white lime are tieed up, blender is formed uniformly pulverized fuel ash slurry, 1000 turns/min of speed of agitator；
2): in agitator plus 12 parts of water equal with whole polyphosphoric acids, hydroxypropyl starch ether, redispersable latex powder stirring
Even formation epoxy glue mucus, 200 turns/min of speed of agitator；
3): lauryl sodium sulfate, sodium sulfate of polyethenoxy ether of fatty alcohol be dissolved in 6 parts of water in pill tank stir it is molten
Solution forms solution；
4): the glass fibre after above-mentioned solution and epoxy glue mucus, silane coupling agent infiltration is mixed into the powder of main agitator tank
Coal ash slurries, blender obtain filler for mine enclosed material with 100 ± 20 revs/min of rotational speeds, mixing time 6min.
The material of aforementioned four embodiment is examined after maintenance 7 days with reference to the mode of GB50107-2010 concrete strength inspection
Survey the performance indicators such as compression strength.The testing result of four embodiments is as shown in the table:
| Project | Embodiment one | Embodiment two | Embodiment three | Example IV |
| Firm time/min | 16 | 18 | 17 | 17 |
| Dry density/g/cm3 | 0.85 | 1.00 | 0.64 | 0.79 |
| Compression strength/MPa | 6.0 | 5.8 | 9.0 | 5.9 |
It is almost suitable with concrete by above structure as it can be seen that backfilled enclosed material bearing capacity of the invention is strong.Material is dry
Weight inorganic component reaches 90% or more, non-ignitable not decompose, and meets fire resistance rating A grade standard, and without adding fire retardant.
Claims (7)
1. a kind of filler for mine enclosed material, it is characterised in that: weight group becomes 100 parts of water, 45~55 parts of flyash, gypsum 1
~3 parts, 10~16 parts of cement, 8~12 parts of white lime, 1.2~1.8 parts of fatty alcohol polyoxyethylene ether, hydroxyethylmethylcellulose
5.5~8.0 parts, 2~3 parts of lauryl sodium sulfate, 1~1.5 part of sodium sulfate of polyethenoxy ether of fatty alcohol, polyphosphoric acids 1.5~
2.0 parts, viscosity be 2~2.5 parts of the hydroxypropyl starch ether of 300~600mPas, vinyl acetate-ethylene copolymer type can be again
1.0~1.5 parts of dispersed latex powder, length is less than 8~15 parts of the glass fibre of 2mm and is enough the silane coupled of sized glass fibres
Agent.
2. filler for mine enclosed material according to claim 1, it is characterised in that: preparation step is:
1): in main agitator tank be added water, flyash, fatty alcohol polyoxyethylene ether, hydroxyethylmethylcellulose, gypsum, cement,
White lime stirs evenly to form pulverized fuel ash slurry；
2): in agitator plus a small amount of water and polyphosphoric acids, hydroxypropyl starch ether, redispersable latex powder stir evenly to be formed it is mixed
Close gluing liquid；
3): lauryl sodium sulfate, sodium sulfate of polyethenoxy ether of fatty alcohol being dissolved in stirring and dissolving in suitable quantity of water in pill tank
Form solution；
4): the glass fibre after above-mentioned solution and epoxy glue mucus, silane coupling agent infiltration is mixed into the flyash of main agitator tank
Slurries are slowly stirred uniformly, obtain filler for mine enclosed material.
3. filler for mine enclosed material according to claim 2, it is characterised in that: in the step 4), blender with
100 ± 20 revs/min of rotational speeds, mixing time are 6~8min.
4. filler for mine enclosed material according to claim 1, it is characterised in that: the weight composition are as follows: 100 parts of water,
55 parts of flyash, 1 part of gypsum, 15 parts of 42.5R cement, 10 parts of white lime, 1.8 parts of fatty alcohol polyoxyethylene ether, hydroxyethyl methyl
8 parts of cellulose, 2.5 parts of lauryl sodium sulfate, 1.2 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 2 parts of polyphosphoric acids, viscosity are
1.2 parts of redispersable latex powder of 2.2 parts of the hydroxypropyl starch ether of 300~600mPas, vinyl acetate-ethylene copolymer type,
10 parts of glass fibre of the length less than 2mm and the silane coupling agent for being enough sized glass fibres.
5. filler for mine enclosed material according to claim 1, it is characterised in that: the weight composition are as follows: 100 parts of water,
50 parts of flyash, 2 parts of gypsum, 12 parts of 42.5R cement, 8 parts of white lime, 1.6 parts of fatty alcohol polyoxyethylene ether, hydroxyethyl methyl are fine
7 parts of dimension element, 2.4 parts of lauryl sodium sulfate, 1.4 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, 1.8 parts of polyphosphoric acids, viscosity are
1.5 parts of redispersable latex powder of 2.2 parts of the hydroxypropyl starch ether of 300~600mPas, vinyl acetate-ethylene copolymer type,
8 parts of glass fibre of the length less than 2mm and the silane coupling agent for being enough sized glass fibres.
6. filler for mine enclosed material according to claim 2, it is characterised in that: the step 1) water consumption be 80 ±
2 parts, step 2) water consumption is 12~15 parts；Step 3) water consumption is 5~6 parts.
7. filler for mine enclosed material according to claim 2, it is characterised in that: the preparation step utilizes dedicated unit
It carries out, dedicated unit includes main agitator tank, and blender is arranged in main agitator tank, is open architecture at the top of main agitator tank and is provided with
Mounting rack, mounting rack are used to install the motor of blender；The device includes agitator and pill tank, the agitator and is matched
Material cylinder is attached to the side wall on main agitator tank top and is connected to by pipeline and valve with main agitator tank inner cavity；It is set in the agitator
Agitating paddle is set, agitating paddle is driven by motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710227414.1A CN106927774B (en) | 2017-04-10 | 2017-04-10 | Filler for mine enclosed material and preparation facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710227414.1A CN106927774B (en) | 2017-04-10 | 2017-04-10 | Filler for mine enclosed material and preparation facilities |
Publications (2)
| Publication Number | Publication Date |
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| CN106927774A CN106927774A (en) | 2017-07-07 |
| CN106927774B true CN106927774B (en) | 2019-03-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114213073A (en) * | 2021-12-31 | 2022-03-22 | 绍兴绿态环境科技股份有限公司 | Manufacturing method of porous finished well |
| CN115109601B (en) * | 2022-06-30 | 2023-06-13 | 广东电网有限责任公司 | Environment-friendly flame retardant, and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101723636B (en) * | 2009-12-19 | 2012-07-25 | 山西大学 | Coal mine underground coal bed waterproof paint |
| CN104703941B (en) * | 2012-09-28 | 2017-03-08 | 罗门哈斯公司 | The redispersible polymer powder mixture being applied to the dry type mixing preparation for improving characteristic |
| CN103396075B (en) * | 2013-07-17 | 2015-03-18 | 中国矿业大学 | Flame-retardant paste material for coal mine underground air leakage stoppage and preparation method thereof |
| CN104402506B (en) * | 2014-11-12 | 2016-12-07 | 河南理工大学 | A kind of underground coal mine Collapsed zone isolation fire prevention filler |
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Effective date of registration: 20191204 Address after: Cao Xi Zhen Qi Lai Cun 364000 Longyan city Fujian District of Xinluo Province Patentee after: Fujian Ma Keng mining industry limited company Address before: 364000 Longyan University, 1 Xiao Dong Road, Xinluo District, Fujian, Longyan Patentee before: longyan university |