CN108623226A - A kind of high water-permeability resistance to compression combined floor and preparation method thereof - Google Patents
A kind of high water-permeability resistance to compression combined floor and preparation method thereof Download PDFInfo
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- CN108623226A CN108623226A CN201810493939.4A CN201810493939A CN108623226A CN 108623226 A CN108623226 A CN 108623226A CN 201810493939 A CN201810493939 A CN 201810493939A CN 108623226 A CN108623226 A CN 108623226A
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- China
- Prior art keywords
- high water
- permeability resistance
- combined floor
- waste
- compression combined
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Classifications
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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
-
- 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
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00284—Materials permeable to liquids
-
- 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
Abstract
The invention discloses a kind of high water-permeability resistance to compression combined floors, are made by the raw material of following weight parts：Dump slag 25-30, cellulose nano-fibrous 10-15, cement 30-35, waste tire rubber powder 8-13, waste plastics 9-12, montmorillonite 3-6, maleic anhydride 2-4, chitosan 3-5, carbon fiber 1-2.The present invention realize by dump slag, cement, montmorillonite mixed once it is uniform after, add modified by maleic acid anhydride graft plastics, waste tire rubber powder, it is cellulose nano-fibrous it is secondary after mixing, it sequentially adds after chitosan, carbon fiber mix high-speed stirred three times and is delivered to the indoor carry out ripening of ageing, mold molding is injected by extrusion, is dried after being cut into adobe and solarization maintenance can be obtained required high water-permeability resistance to compression combined floor.The combined floor has uniform, stabilization, and the advantages such as high intensity, obdurability, water permeability are good, anti-pressure ability is strong, raw material mostly use waste resource, at low cost, environmentally protective, and service life is long, economical and practical.
Description
Technical field
The present invention relates to building material fields more particularly to a kind of high water-permeability resistance to compression combined floor and preparation method thereof.
Background technology
China's building total energy consumption (including production of construction materials and building energy consumption) is huge, accounts for about the 30% of national energy consumption, wherein building
Material energy consumption accounts for about 12% or more of national total energy consumption, and it is to save energy to promote materials for wall innovation thus and promote energy saving building
The effective measures in source.Floor tile belongs to a kind of construction material, is widely used in square road surface, town road etc. in recent years.
Traditional floor tile is only poured into a mould with the mixing of the raw materials such as cement, sandy soil, there are the larger easily loose cracking of brittleness, is resisted
The defects of pressure energy power is weak, water permeable ability is weak, more and more extensive with the application of floor tile, the requirement to its comprehensive performance is also increasingly
Therefore height seeks a kind of substance by a variety of different performances and is combined, learn from other's strong points to offset one's weaknesses, it is stronger to obtain comprehensive performance, have compared with
The combined floor of strong competitiveness is extremely urgent；At the same time dump slag, waste straw, waste tire, waste plastics etc.
The pollution problem of solid waste also troubles always people, how to be turned waste into wealth and realizes that resource circulation utilization then has weight
The meaning wanted.
Invention content
The object of the invention be exactly in order to make up the defect of prior art, provide it is a kind of cheap, it is uniform, stability is high,
Measuring body combined floor of high water-permeability and preparation method thereof.
The present invention is achieved by the following technical solutions：
A kind of high water-permeability resistance to compression combined floor, is made by the raw material of following weight parts：
Dump slag 25-30, cellulose nano-fibrous 10-15, cement 30-35, waste tire rubber powder 8-13, waste plastics 9-
12, montmorillonite 3-6, maleic anhydride 2-4, chitosan 3-5, carbon fiber 1-2.
It is described it is cellulose nano-fibrous for by waste straw after disintegrating apparatus pulverizes and sieves, then with a concentration of 50-
NaOH solution of 60% temperature within the scope of 60-70 DEG C is added in reaction kettle jointly, in a kettle when one section of agitating and heating
Between, removal of impurities is pre-processed to the waste straw after crushing using NaOH solution, it is anti-with NaOH solution that chlorine is so passed through into reaction kettle
Oxidative degradation should be carried out under ul-trasonic irradiation to the waste straw after crushing using NaClO to generate NaClO solution
10-15min, the hydrochloric acid that a concentration of 15%-25% is then added into reaction kettle are neutralized, simultaneously with blocking degradation reaction
Milk-white coloured suspension is obtained, filtration drying simultaneously grinds cellulose nano-fibrous.
The waste tire rubber powder broken, the two-stage magnetic separation that is damaged tire through three-level, level-one selection by winnowing and after milling 30-
The waste Crumb rubber of 40 mesh.
A kind of preparation method of high water-permeability resistance to compression combined floor, includes the following steps：
(1) waste plastics and maleic anhydride are by being delivered to crushing and graft modification in colloid mill after being tentatively uniformly mixed
Obtain modified by maleic acid anhydride graft plastics；
(2) by modified by maleic acid anhydride graft plastics obtained in step (1), waste tire rubber powder, cellulose nano-fibrous
It is added in continuous internal mixer, carries out obtaining mixed material after being fully kneaded under certain condition；
(3) exhaust gas slag, cement, montmorillonite are delivered to mixed once in homogenizer to stir evenly, step is added
(2) mixed material that is obtained in is secondary to be mixed evenly, sequentially add chitosan, carbon fiber mix three times it is defeated after high-speed stirred
It send to the indoor carry out ripening of ageing；
(4) material after ageing is squeezed out into injection die for molding by screw extruder, is then cut into brick through cutting machine
Base；
(5) adobe finally be can be obtained into required high water-permeability resistance to compression combined floor by drying and solarization maintenance.
In the step (1) preliminary mixing speed be 125-146r/min, incorporation time 10-15min, colloid mill
Rotating speed is 365-435r/min, and temperature is controlled at 75-86 DEG C.
The rotating speed of continuous internal mixer is 375-425r/min in the step (2), and temperature is 135-145 DEG C, mixing time
For 30-45min.
Mixed once mixing speed is 320-340r/min, mixing time 5-10min in the step (3), secondary mixed
Conjunction mixing speed is 680-780r/min, mixing time 20-30min, and it is 220-260r/min that speed is mixed three times, when
Between be 35-40min, and the water content of control material, in 6-8wt%, 20-30 DEG C of Aging Temperature, indoor air humidity is maintained at
65-75%, digestion time are 2-3 days.
Screw extruder rotating speed is 182-212r/min in the step (4).
Preferably, preliminary mixing speed is 130r/min in step (1), and the rotating speed of incorporation time 12min, colloid mill are
382r/min, temperature are controlled at 83 DEG C.
Preferably, the rotating speed of continuous internal mixer is 390r/min in step (2), and temperature is 137 DEG C, and mixing time is
36min。
Preferably, mixed once mixing speed is 329r/min, mixing time 8min in step (3), and secondary mixing stirs
It is 702r/min, mixing time 23min to mix speed, and it is 243r/min, time 38min that speed is mixed three times, and is controlled
The water content of material processed is maintained at 69% in 7wt%, 22 DEG C of Aging Temperature, indoor air humidity, and digestion time is 2.5 days.
Preferably, screw extruder rotating speed is 193r/min in step (4).
It is an advantage of the invention that：
The present invention realize by dump slag, cement, montmorillonite mixed once it is uniform after, add modified by maleic acid anhydride graft
Plastics, waste tire rubber powder, it is cellulose nano-fibrous it is secondary after mixing, sequentially add chitosan, carbon fiber mixes three times
Be delivered to the indoor carry out ripening of ageing after closing high-speed stirred, mold molding injected by extrusion, dried after being cut into adobe and
Solarization maintenance can be obtained required high water-permeability resistance to compression combined floor.Wherein modified by maleic acid anhydride graft waste plastics promote its with
Waste tire rubber powder, it is cellulose nano-fibrous between compatibility, the intensity that this three's mixed material enhances combined floor is tough
Property and resilience；Filler is played the role of in montmorillonite；The infiltration ability of the addition enhancing combined floor of chitosan, carbon fiber promote
Its endurance and intensity is set to greatly improve so that drainage speed is accelerated.Therefore, which has uniform, stable, high-strength
The advantages such as degree, obdurability, water permeability are good, anti-pressure ability is strong, raw material mostly use waste resource, at low cost, environmentally protective, make
It is economical and practical with long lifespan.
Specific implementation mode
Embodiment 1
A kind of high water-permeability resistance to compression combined floor, is made by the raw material of following weight parts：
Dump slag 26, cellulose nano-fibrous 12, cement 32, waste tire rubber powder 12, waste plastics 11, montmorillonite 4, horse
Come acid anhydrides 2, chitosan 5, carbon fiber 2.
A kind of preparation method of high water-permeability resistance to compression combined floor, includes the following steps：
(1) after waste plastics and maleic anhydride are by being tentatively uniformly mixed, wherein preliminary mixing speed is 130r/min,
Incorporation time is 12min, is delivered to crushing in colloid mill and graft modification obtains modified by maleic acid anhydride graft plastics, wherein colloid
The rotating speed of mill is 382r/min, and temperature is controlled at 83 DEG C；
(2) by modified by maleic acid anhydride graft plastics obtained in step (1), waste tire rubber powder, cellulose nano-fibrous
It is added in continuous internal mixer, wherein rotating speed 390r/min, temperature are 137 DEG C, mixing time 36min, under certain condition
It carries out obtaining mixed material after being fully kneaded；
(3) exhaust gas slag, cement, montmorillonite are delivered to mixed once in homogenizer to stir evenly, wherein stirring
Speed is 329r/min, mixing time 8min, is added that the mixed material obtained in step (2) is secondary to be mixed evenly,
Middle mixing speed is 702r/min, mixing time 23min, sequentially adds chitosan, after carbon fiber mixes high-speed stirred three times,
Wherein mixing speed is 243r/min, time 38min, and it is indoor to be delivered to ageing in 7wt% for the water content of control material
It carries out ageing to handle for 2.5 days, wherein 22 DEG C of Aging Temperature, indoor air humidity is maintained at 69%；
(4) material after ageing being squeezed out into injection die for molding by screw extruder, wherein rotating speed is 193r/min,
Then it is cut into adobe through cutting machine；
(5) adobe finally be can be obtained into required high water-permeability resistance to compression combined floor by drying and solarization maintenance.
High water-permeability resistance to compression combined floor performance obtained above is as follows：
Axial compressive strength 17.6MPa；
Pressure-proof elasticity modulus 15.3GPa；
Density 821kg/m3
Seepage rate is 45-55L/h
Embodiment 2
A kind of high water-permeability resistance to compression combined floor, is made by the raw material of following weight parts：
Dump slag 29, cellulose nano-fibrous 15, cement 34, waste tire rubber powder 13, waste plastics 10, montmorillonite 5, horse
Come acid anhydrides 4, chitosan 3, carbon fiber 1.
A kind of preparation method of high water-permeability resistance to compression combined floor, includes the following steps：
(1) after waste plastics and maleic anhydride are by being tentatively uniformly mixed, wherein preliminary mixing speed is 130r/min,
Incorporation time is 12min, is delivered to crushing in colloid mill and graft modification obtains modified by maleic acid anhydride graft plastics, wherein colloid
The rotating speed of mill is 382r/min, and temperature is controlled at 83 DEG C；
(2) by modified by maleic acid anhydride graft plastics obtained in step (1), waste tire rubber powder, cellulose nano-fibrous
It is added in continuous internal mixer, wherein rotating speed 390r/min, temperature are 137 DEG C, mixing time 36min, under certain condition
It carries out obtaining mixed material after being fully kneaded；
(3) exhaust gas slag, cement, montmorillonite are delivered to mixed once in homogenizer to stir evenly, wherein stirring
Speed is 329r/min, mixing time 8min, is added that the mixed material obtained in step (2) is secondary to be mixed evenly,
Middle mixing speed is 702r/min, mixing time 23min, sequentially adds chitosan, after carbon fiber mixes high-speed stirred three times,
Wherein mixing speed is 243r/min, time 38min, and it is indoor to be delivered to ageing in 7wt% for the water content of control material
It carries out ageing to handle for 2.5 days, wherein 22 DEG C of Aging Temperature, indoor air humidity is maintained at 69%；
(4) material after ageing being squeezed out into injection die for molding by screw extruder, wherein rotating speed is 193r/min,
Then it is cut into adobe through cutting machine；
(5) adobe finally be can be obtained into required high water-permeability resistance to compression combined floor by drying and solarization maintenance.
High water-permeability resistance to compression combined floor performance obtained above is as follows：
Axial compressive strength 18.3MPa；
Pressure-proof elasticity modulus 16.1GPa；
Density 786kg/m3
Seepage rate is 35-42L/h.
Claims (8)
1. a kind of high water-permeability resistance to compression combined floor, which is characterized in that it is made by the raw material of following weight parts：
Dump slag 25-30, cellulose nano-fibrous 10-15, cement 30-35, waste tire rubber powder 8-13, waste plastics 9-12,
Montmorillonite 3-6, maleic anhydride 2-4, chitosan 3-5, carbon fiber 1-2.
2. high water-permeability resistance to compression combined floor according to claim 1, which is characterized in that described cellulose nano-fibrous for general
Waste straw is molten after disintegrating apparatus pulverizes and sieves, then with the NaOH of the temperature of a concentration of 50-60% within the scope of 60-70 DEG C
Liquid is added in reaction kettle jointly, in a kettle agitating and heating for a period of time, using NaOH solution to the waste straw after crushing
Pretreatment removal of impurities is so passed through chlorine into reaction kettle and is reacted with NaOH solution to generate NaClO solution, using NaClO to crushing
Waste straw afterwards carries out oxidative degradation 10-15min under ul-trasonic irradiation, is then added into reaction kettle a concentration of
The hydrochloric acid of 15%-25% is neutralized, and with blocking degradation reaction and obtains milk-white coloured suspension, and filtration drying is simultaneously ground
It is cellulose nano-fibrous.
3. high water-permeability resistance to compression combined floor according to claim 1, which is characterized in that the waste tire rubber powder is useless wheel
Tire broken, two-stage magnetic separation, level-one selection by winnowing and waste Crumb rubber that 30-40 mesh is obtained after milling through three-level.
4. the preparation method of high water-permeability resistance to compression combined floor according to claim 1, which is characterized in that including following step
Suddenly：
(1) waste plastics and maleic anhydride are crushed and graft modification obtains by being delivered to after being tentatively uniformly mixed in colloid mill
Modified by maleic acid anhydride graft plastics；
(2) the modified by maleic acid anhydride graft plastics, waste tire rubber powder, cellulose nano-fibrous addition that will be obtained in step (1)
In continuous internal mixer, carry out obtaining mixed material after being fully kneaded under certain condition；
(3) exhaust gas slag, cement, montmorillonite are delivered to mixed once in homogenizer to stir evenly, are added in step (2)
Obtained mixed material is secondary to be mixed evenly, and is sequentially added after chitosan, carbon fiber mix high-speed stirred three times and is delivered to
The indoor carry out ripening of ageing；
(4) material after ageing is squeezed out into injection die for molding by screw extruder, is then cut into adobe through cutting machine；
(5) adobe finally be can be obtained into required high water-permeability resistance to compression combined floor by drying and solarization maintenance.
5. the preparation method of high water-permeability resistance to compression combined floor according to claim 4, which is characterized in that the step
(1) preliminary mixing speed is 125-146r/min in, and the rotating speed of incorporation time 10-15min, colloid mill are 365-435r/
Min, temperature are controlled at 75-86 DEG C.
6. the preparation method of high water-permeability resistance to compression combined floor according to claim 4, which is characterized in that the step
(2) rotating speed of continuous internal mixer is 375-425r/min in, and temperature is 135-145 DEG C, mixing time 30-45min.
7. the preparation method of high water-permeability resistance to compression combined floor according to claim 4, which is characterized in that the step
(3) mixed once mixing speed is 320-340r/min in, and mixing time 5-10min, secondary mixing speed is 680-
Speed is mixed as 220-260r/min, time 35-40min in 780r/min, mixing time 20-30min three times, and
The water content of control material is maintained at 65-75%, digestion time in 6-8wt%, 20-30 DEG C of Aging Temperature, indoor air humidity
It is 2-3 days.
8. the preparation method of high water-permeability resistance to compression combined floor according to claim 4, which is characterized in that the step
(4) screw extruder rotating speed is 182-212r/min in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810493939.4A CN108623226A (en) | 2018-05-22 | 2018-05-22 | A kind of high water-permeability resistance to compression combined floor and preparation method thereof |
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| CN201810493939.4A CN108623226A (en) | 2018-05-22 | 2018-05-22 | A kind of high water-permeability resistance to compression combined floor and preparation method thereof |
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| CN108623226A true CN108623226A (en) | 2018-10-09 |
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| CN201810493939.4A Pending CN108623226A (en) | 2018-05-22 | 2018-05-22 | A kind of high water-permeability resistance to compression combined floor and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950612A (en) * | 2019-12-25 | 2020-04-03 | 成都新豪鼎盛建材有限公司 | Colored pervious concrete and preparation process thereof |
| CN113896464A (en) * | 2021-10-14 | 2022-01-07 | 广东省科学院资源利用与稀土开发研究所 | Method for preparing regenerated cement-based water-permeable pavement brick from organic artificial stone processing waste and waste rubber and plastic powder |
-
2018
- 2018-05-22 CN CN201810493939.4A patent/CN108623226A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950612A (en) * | 2019-12-25 | 2020-04-03 | 成都新豪鼎盛建材有限公司 | Colored pervious concrete and preparation process thereof |
| CN110950612B (en) * | 2019-12-25 | 2021-07-16 | 成都新豪鼎盛建材有限公司 | Colored pervious concrete and preparation process thereof |
| CN113896464A (en) * | 2021-10-14 | 2022-01-07 | 广东省科学院资源利用与稀土开发研究所 | Method for preparing regenerated cement-based water-permeable pavement brick from organic artificial stone processing waste and waste rubber and plastic powder |
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Application publication date: 20181009 |