CN110128060A - A kind of porous light type concrete and preparation method thereof - Google Patents
A kind of porous light type concrete and preparation method thereof Download PDFInfo
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- CN110128060A CN110128060A CN201910348743.0A CN201910348743A CN110128060A CN 110128060 A CN110128060 A CN 110128060A CN 201910348743 A CN201910348743 A CN 201910348743A CN 110128060 A CN110128060 A CN 110128060A
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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
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- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of porous light type concrete, including 280~300 parts by weight of cement, 200~250 parts by weight of concrete slag, 40~45 parts by weight of sand, 900~1200 parts by weight of stone, 30~40 parts by weight of flyash, 80~100 parts by weight of water, 2~5 parts by weight of polypropylene fibre, 30~80 parts by weight of fine sand, 4~5.5 parts by weight of adhesive, 2~5 parts by weight of water-reducing agent, 15~22 parts by weight of ferric sulfate, 500~800 parts by weight of reinforcing agent, 3~5 parts by weight of carbonate, 300~400 parts by weight of steel slag, 8~10 parts by weight of diatomite, 150~250 parts by weight of lotus leaf hydrophobing agent, 100~150 parts by weight of active carbon, toughened fiber 320~3 40 parts by weight, also disclose preparation method.Porous light type concrete of the invention, steel slag and concrete slag are added in the preparation process of concrete, the waste materials such as steel slag, concrete slag improve the compression strength of concrete, improve the mechanical properties such as its anti-shearing force, reduce costs, implemented country economize on resources, the techno-economic policy of green production.
Description
Technical field
The present invention relates to a kind of light weight type concrete, and in particular to a kind of light weight type concrete and preparation method thereof.
Background technique
With operating condition production capacity greatly improve and age problem, a large amount of steel slag scrap and broken mixed can be generated
Solidifying soil, traditional processing method are landfill or stack, and not only consume the costs of erection such as a large amount of arable land and refuse collection, but also
Very big pressure is caused to environmental improvement, in order to mitigate above-mentioned pressure, mostly use discarded concrete is directly used as it is more
The aggregate of hole concrete uses, and celluar concrete is a kind of concrete with special pore structure, by the gathering materials of specific gradation,
Cement, water, additive etc. are made through special process, and celluar concrete must have good ventilative, water permeability, answer it extensively
For positions such as the both sides of the road in city, river course slope protection, roof and parking lots, it can occasionally play and improve damp and hot exchange capacity, together
When reduce surface of concrete temperature the effects of however, using discarded concrete as when the aggregate of celluar concrete, often deposit
In the problem that aggregate intensity is low, water absorption rate is big, directly utilizing will lead to celluar concrete low strength, shrinks the problems such as big, from
And the requirement of celluar concrete is not achieved, affect its normal use.In addition to may be used as construction material, city can be also used for
Political affairs construction, the concrete pore rate as greening reaches 20~30% can provide good growing environment for plant.
Summary of the invention
Goal of the invention: in view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of porous light type concrete
And preparation method thereof, it is easy to use.
Technical solution: a kind of porous light type concrete of the present invention, including it is 280~300 parts by weight of cement, mixed
200~250 parts by weight of solidifying soil slag, 40~45 parts by weight of sand, 900~1200 parts by weight of stone, flyash 30~40
Parts by weight, 80~100 parts by weight of water, 2~5 parts by weight of polypropylene fibre, 30~80 parts by weight of fine sand, adhesive 4
~5.5 parts by weight, 2~5 parts by weight of water-reducing agent, 15~22 parts by weight of ferric sulfate, 500~800 parts by weight of reinforcing agent,
3~5 parts by weight of carbonate, 300~400 parts by weight of steel slag, 8~10 parts by weight of diatomite, lotus leaf hydrophobing agent 150~
250 parts by weight, 100~150 parts by weight of active carbon, 320~340 parts by weight of toughened fiber.
The toughened fiber includes microcrystalline cellulose and ramee, and the microcrystalline cellulose and ramee ratio are 2:
3~6.
The water-reducing agent is polycarboxylate water-reducer.
It further include 15~20 parts by weight of waste old grain.
It further include 10~15 parts by weight of polypropylene film-fibre.
It further include 2~10 parts by weight of organic flocculant.
It further include 30~50 parts by weight of active silica solid particle.
The dimensions of the steel slag are as follows: diameter is the steel slag 18~28% of 5~15mm, and diameter is the steel slag of 5~15mm
30~40%, diameter is the steel slag 37~47% of 15~30mm.
A kind of preparation method of porous light type concrete, comprising the following steps:
Step 1: by water, cement, sand, stone, fine sand, waste old grain, flyash, toughened fiber and lotus leaf hydrophobing agent
It is sufficiently mixed and uniformly obtains the first mixture；
Step 2: polypropylene fibre, adhesive, active silica solid particle, water-reducing agent and reinforcing agent are added to water
In, obtained mixture be uniformly mixed with the first mixture mixture obtained in step 1, obtain the second mixture,
Process control temp is 50 DEG C~60 DEG C；
Step 3: stirring the second mixture while sequentially add ferric sulfate, carbonate, steel slag, machine flocculant, diatomite,
Active carbon, is carried out uniformly mixed, obtains third mixture, process control temp is 40 DEG C~45 DEG C；
Step 4: the third mixture of preparation being imported into injection molding in hopper, through steam precuring, with the speed liter of 26 DEG C/h
Temperature, temperature are controlled at 45 DEG C~50 DEG C, in 8~12h of resting room precuring；
Step 5: removing mold is put into fog room, is passed through steam, heated up with the speed of 18 DEG C/h, until temperature reaches 65
DEG C~75 DEG C, it is taken out after conserving 24~32h, cools down at room temperature, obtain porous light type concrete.
The steel slag raw material is provided by roll forming machine, jaw crusher or lathe, separates impurity through gravity screening machine, is put into clear
It cleans 1 time, then is dried in pond, stop after it is completely dried, the steel slag after drying is put into diffuser, table is added
Face activating agent cleans organic attachment on its surface, is put into clear water reserviors and cleans 2~4 times, and the steel slag after cleaning carries out
Drying, calcines 10min, then with the speed of 45 DEG C/h at 1315~1340 DEG C after the steel slag of drying is mixed with kodalk
Heating cools to 1150~1180 DEG C and keeps the temperature 1~3h, then carries out low temperature quenching, obtains martensite, increases steel slag intensity.
The utility model has the advantages that a kind of porous light type concrete and preparation method thereof of the invention, in the preparation process of concrete
Middle addition steel slag and concrete slag, generate huge frictional force between steel slag and concrete slag, the good mixing effect with cement obtains
To superior in quality strength cellular concrete, the waste materials such as steel slag turning improve that the compression strength of concrete, to improve it anti-
The mechanical properties such as shearing force efficiently solve the problems, such as that common light duty concrete is easy unexpected fragmentation under high pressure, and steel cuttings exists
The wear-resistant effect that inside concrete also acts as while preventing from itself from wearing, also increases frictional force, this porous light type is mixed
The preparation process for coagulating soil simplifies manufacturing procedure, and reduces costs, implemented country economize on resources, the technology of green production
Economic policy.
Specific embodiment
Technical solution of the present invention is described in detail below, but protection scope of the present invention is not limited to the implementation
Example.
A kind of porous light type concrete of the invention, including 280~300 parts by weight of cement, concrete slag 200~
250 parts by weight, 40~45 parts by weight of sand, 900~1200 parts by weight of stone, 30~40 parts by weight of flyash, water
80~100 parts by weight, 2~5 parts by weight of polypropylene fibre, 30~80 parts by weight of fine sand, 4~5.5 parts by weight of adhesive
Number, 2~5 parts by weight of water-reducing agent, 15~22 parts by weight of ferric sulfate, 500~800 parts by weight of reinforcing agent, carbonate 3~5
Parts by weight, 300~400 parts by weight of steel slag, 8~10 parts by weight of diatomite, 150~250 parts by weight of lotus leaf hydrophobing agent,
100~150 parts by weight of active carbon, 320~340 parts by weight of toughened fiber.
Toughened fiber includes microcrystalline cellulose and ramee, and microcrystalline cellulose and ramee ratio are 2:3~6.
Water-reducing agent is polycarboxylate water-reducer.
It further include 15~20 parts by weight of waste old grain.
It further include 10~15 parts by weight of polypropylene film-fibre.
It further include 2~10 parts by weight of organic flocculant.
It further include 30~50 parts by weight of active silica solid particle.
The dimensions of steel slag are as follows: diameter be 5~15mm steel slag 18~28%, diameter be 5~15mm steel slag 30~
40%, diameter is the steel slag 37~47% of 15~30mm.
A kind of preparation method of porous light type concrete, comprising the following steps:
Step 1: by water, cement, sand, stone, fine sand, waste old grain, flyash, toughened fiber and lotus leaf hydrophobing agent
It is sufficiently mixed and uniformly obtains the first mixture；
Step 2: polypropylene fibre, adhesive, active silica solid particle, water-reducing agent and reinforcing agent are added to water
In, obtained mixture be uniformly mixed with the first mixture mixture obtained in step 1, obtain the second mixture,
Process control temp is 50 DEG C~60 DEG C；
Step 3: stirring the second mixture while sequentially add ferric sulfate, carbonate, steel slag, machine flocculant, diatomite,
Active carbon, is carried out uniformly mixed, obtains third mixture, process control temp is 40 DEG C~45 DEG C；
Step 4: the third mixture of preparation being imported into injection molding in hopper, through steam precuring, with the speed liter of 26 DEG C/h
Temperature, temperature are controlled at 45 DEG C~50 DEG C, in 8~12h of resting room precuring；
Step 5: removing mold is put into fog room, is passed through steam, heated up with the speed of 18 DEG C/h, until temperature reaches 65
DEG C~75 DEG C, it is taken out after conserving 24~32h, cools down at room temperature, obtain porous light type concrete.
Steel slag raw material is provided by roll forming machine, jaw crusher or lathe, is separated impurity through gravity screening machine, is put into clear water reserviors
Middle cleaning 1 time, then dried, stop after it is completely dried, the steel slag after drying is put into diffuser, it is living that surface is added
Property agent, organic attachment on its surface is cleaned, is put into clear water reserviors and cleans 2~4 times, clean after steel slag dried
It is dry, 10min is calcined after the steel slag of drying is mixed with kodalk at 1315~1340 DEG C, then with the speed liter of 45 DEG C/h
Temperature cools to 1150~1180 DEG C and keeps the temperature 1~3h, then carries out low temperature quenching, obtains martensite, increases steel slag intensity
As described above, must not be explained although the present invention has been indicated and described referring to specific preferred embodiment
For the limitation to invention itself.It without prejudice to the spirit and scope of the invention as defined in the appended claims, can be right
Various changes can be made in the form and details for it.
Claims (10)
1. a kind of porous light type concrete, it is characterised in that: including 280~300 parts by weight of cement, concrete slag 200~
250 parts by weight, 40~45 parts by weight of sand, 900~1200 parts by weight of stone, 30~40 parts by weight of flyash, water
80~100 parts by weight, 2~5 parts by weight of polypropylene fibre, 30~80 parts by weight of fine sand, 4~5.5 parts by weight of adhesive
Number, 2~5 parts by weight of water-reducing agent, 15~22 parts by weight of ferric sulfate, 500~800 parts by weight of reinforcing agent, carbonate 3~5
Parts by weight, 300~400 parts by weight of steel slag, 8~10 parts by weight of diatomite, 150~250 parts by weight of lotus leaf hydrophobing agent,
100~150 parts by weight of active carbon, 320~340 parts by weight of toughened fiber.
2. porous light type concrete according to claim 1, it is characterised in that: the toughened fiber includes microcrystalline cellulose
Element and ramee, the microcrystalline cellulose and ramee ratio are 2:3~6.
3. porous light type concrete according to claim 1, it is characterised in that: the water-reducing agent is polycarboxylic acids diminishing
Agent.
4. porous light type concrete according to claim 1, it is characterised in that: further include 15~20 weight of waste old grain
Measure number.
5. porous light type concrete according to claim 1, it is characterised in that: further include polypropylene film-fibre 10~
15 parts by weight.
6. porous light type concrete according to claim 1, it is characterised in that: further include 2~10 weight of organic flocculant
Measure number.
7. porous light type concrete according to claim 1, it is characterised in that: further include active silica solid
30~50 parts by weight of grain.
8. porous light type concrete according to claim 1, it is characterised in that: the dimensions of the steel slag are as follows: straight
Diameter is the steel slag 18~28% of 5~15mm, and diameter is the steel slag 30~40% of 5~15mm, and diameter is the steel slag 37 of 15~30mm
~47%.
9. a kind of preparation method of porous light type concrete, which comprises the following steps:
Step 1: water, cement, sand, stone, fine sand, waste old grain, flyash, toughened fiber and lotus leaf hydrophobing agent is abundant
It is uniformly mixed and obtains the first mixture；
Step 2: polypropylene fibre, adhesive, active silica solid particle, water-reducing agent and reinforcing agent are added to the water,
Obtained mixture be uniformly mixed with the first mixture mixture obtained in step 1, obtain the second mixture, process
Controlled at 50 DEG C~60 DEG C；
Step 3: sequentially adding ferric sulfate, carbonate, steel slag, machine flocculant, diatomite, activity while the second mixture of stirring
Charcoal, is carried out uniformly mixed, obtains third mixture, process control temp is 40 DEG C~45 DEG C；
Step 4: the third mixture of preparation is imported into injection molding in hopper, through steam precuring, is heated up with the speed of 26 DEG C/h, temperature
Degree control is at 45 DEG C~50 DEG C, in 8~12h of resting room precuring；
Step 5: removing mold is put into fog room, is passed through steam, heated up with the speed of 18 DEG C/h, until temperature reach 65 DEG C~
It 75 DEG C, is taken out after conserving 24~32h, cools down at room temperature, obtain porous light type concrete.
10. the preparation method of porous light type concrete according to claim 9, it is characterised in that: the steel slag raw material
It is provided by roll forming machine, jaw crusher or lathe, separates impurity through gravity screening machine, be put into clear water reserviors and clean 1 time, then carry out
Drying, stops after it is completely dried, the steel slag after drying is put into diffuser, surfactant is added, to its surface
Organic attachment is cleaned, and is put into clear water reserviors and is cleaned 2~4 times, clean after steel slag dried, by the steel slag of drying with
10min is calcined at 1315~1340 DEG C after kodalk mixing, then 1150 are cooled to the heating of the speed of 45 DEG C/h~
1180 DEG C and 1~3h of heat preservation, low temperature quenching is then carried out, martensite is obtained, increases steel slag intensity.
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| CN117383896A (en) * | 2023-10-13 | 2024-01-12 | 新疆研科节能科技有限公司 | Low-clinker solid waste-based cementing material and preparation method thereof |
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| CN117383896A (en) * | 2023-10-13 | 2024-01-12 | 新疆研科节能科技有限公司 | Low-clinker solid waste-based cementing material and preparation method thereof |
| CN117383896B (en) * | 2023-10-13 | 2024-05-24 | 新疆研科节能科技有限公司 | Low-clinker solid waste-based cementing material and preparation method thereof |
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Application publication date: 20190816 |