CN106478147A - A kind of premixing foam concrete and its preparation technology - Google Patents
A kind of premixing foam concrete and its preparation technology Download PDFInfo
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- CN106478147A CN106478147A CN201610961449.3A CN201610961449A CN106478147A CN 106478147 A CN106478147 A CN 106478147A CN 201610961449 A CN201610961449 A CN 201610961449A CN 106478147 A CN106478147 A CN 106478147A
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- Prior art keywords
- water reducer
- foam concrete
- agent
- premixing
- air entraining
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
-
- 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
- C04B28/16—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 containing anhydrite, e.g. Keene's cement
-
- 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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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 premixing foam concrete and its preparation technology, 5 10 parts of desulfurization oil cinder, 5 10 parts of breeze, 59 parts of water, 0.05 0.1 parts of water reducer, 0.01 0.05 parts of air entraining agent, 0.1 0.5 parts of plasticity-maintaining agent in the composition of every cube of foam concrete.The invention has the beneficial effects as follows：The quality of product of the present invention is guaranteed, and can make foam concrete of the unit weight in 1000 1300kg/m3；28 days intensity of foam concrete are more than 7.5Mpa, and maximum intensity can reach more than 15Mpa；Speed of application is efficient and convenient；The industrial wastes such as desulfurization oil cinder are employed, has significant social benefit；Cement raw material is eliminated, reduces the consumption to natural resources.
Description
Technical field
The present invention relates to technical field of concrete, more particularly to premixing foam concrete and its preparation technology.
Background technology
Light-weight foamed concrete, it is adaptable to the heat-insulation layer of present flooring, equipment protection layer.Existing foam concrete, be
Mixed cement slurry with mixing plant or job site, while pumping using mortar pump, foaming agent is added using scene, with water
Slurry body simultaneously enters the pump housing so that cement slurry injects foaming agent, to obtain light-weight foamed concrete.But foam-in-place,
Gas release is unstable, causes to stir uneven so that slurry air content is also uneven, and intensity and unit weight cannot be effectively ensured.
In addition, foam at the construction field (site), do not allow very much easy to operate, and pollute environment at the scene yet, and production capacity is relatively low.
Furthermore, the difference of the preparing raw material of foam concrete, the effect that is brought are also varied.
Content of the invention
In order to achieve the above object, the invention provides a kind of premixing foam concrete and its preparation technology.
In order to reach illustration purpose, the invention provides a kind of premixing foam concrete, the becoming of every cube of foam concrete
Point in desulfurization oil cinder 5-10 part, breeze 5-10 part, water 5-9 part, water reducer 0.05-0.1 part, air entraining agent 0.01-0.05 part,
Plasticity-maintaining agent 0.1-0.5 part.
Further preferred, described in the composition of every cube of foam concrete, the mass fraction of raw material is：Desulfurization petroleum coke
10 parts of slag, 10 parts of breeze, 8.4 parts of water, 0.1 part of water reducer, 0.02 part of air entraining agent and 0.2 part of plasticity-maintaining agent.
Wherein, the desulfurization oil cinder is obtained after circulating sulfuration bed technique desulfurization by the high sulfur petroleum coke of oil plant
Industrial waste, oil cinder through ultra-fine grinding mill grinding, its specific surface area be more than 800m2/kg.In raw material, desulfurization oil cinder
CaO containing 48%～60% and 33%～43% II type anhydrite.
Further, the water reducer is calcium lignin sulfonate water depressor.Calcium lignosulfonate is a kind of multicomponent high score
Sub- polymer anion surfactant, outward appearance for light yellow to dark brown powder, slightly aromatic odor, molecular weight 800～
Between 10000, with very strong dispersiveness, caking property, sequestering.By the cooking waste liquor of acid polishing, spray-dried form.
Can the reduced sugar containing up to 30%.Water is dissolved in, but insoluble in any common organic solvent.The pH value of its 1% aqueous solution about 4～
6.
Or further, the water reducer by 10-30 part sulfomethylated lignin salt water reducer, 10-30 part naphthalene water reducer,
0.01-0.1 part melamine system water reducer, 20-40 part sulfamate based water reducer, 5-10 part fatty acid series water reducer, 10-
15 parts of polycarboxylate based water reducers and 5-10 part casein are mixed.
Wherein, sulfomethylated lignin salt water reducer is by calcium lignosulfonate and magnesium lignosulfonate according to 1:1 composition of proportions.Its
In, by naphthalene sulfonic acid potassium and the condensation product of formaldehyde, molecular formula is KO to the naphthalene water reducer3S-【C10H8-CH2-C10H8-】N, n=10-
11.Wherein, melamine system water reducer is the sulfonation trimerization that melamine methylolation, then sulfonation condensation is made with formaldehyde
Cyanamide formaldehyde resin, with significant diminishing, enhancing effect, and has sodium sulphate content low and significantly improves the durable of concrete
The features such as property.Wherein, sulfamate based water reducer good dispersion, good endurance.Wherein, fatty acid series water reducer water-reducing rate
High, early strong enhancing effect is obvious.Wherein, polycarboxylate based water reducer is stable, green, stable performance.Wherein, lignin performance
Good, taste has once to stimulate.
Wherein further, the air entraining agent is rosin entraining agent, Chinese honey locust air entraining agent, sodium alkyl sulfonate, alkyl benzene sulphonate
Sodium, sodium alkyl sulfate, the mixture of petroleum sodium sulfonate, wherein, rosin entraining agent be 1-2 part, Chinese honey locust air entraining agent 0.5-1 part,
Sodium alkyl sulfonate 1-2 part, sodium alkyl benzene sulfonate 0.4-1 part, sodium alkyl sulfate 1-2 part and petroleum sodium sulfonate 0.5-1 part.
Wherein further, the plasticity-maintaining agent is the mixture of sodium potassium tartrate tetrahydrate, sodium citrate, propyl alcohol and potassium borate, its
Mass fraction ratio is 1：0.5-1：0.5-1:1-2.
Its premixing preparation technology include for：
The first step, the raw material in addition to air entraining agent, water reducer and plasticity-maintaining agent is proportionally mixed；
In second step, the compound for proportionally adding the first step to obtain air entraining agent, water reducer and plasticity-maintaining agent, stirring is added to
Continuously stirred in car.
The invention has the beneficial effects as follows：Used in the component materials of the present invention to ultra-fine oil cinder and ultrafine slag powder not
It is only capable of every cube of concrete reduces cost 20-30 unit is made, and concrete can be made to have good mechanical property, temperature peak of hydration
Little and postpone, the features such as volume stability is good, 100% instead of the use of cement, reduce using energy source and production cost, profit
Produced with waste material, environmental pollution is reduced, twice laid is improve, with higher social value；Furthermore, according to oil cinder
With the characteristic of breeze, coordinate compound air entraining agent, water reducer and plasticity-maintaining agent, refer to the performances such as lightweight, raising intensity are realized
Mark, improves foam concrete series of physical mechanical property, improves foam concrete early strength and later strength, reduces construction
Expense all has obvious economic benefit；And product quality is stable, consistency of performance.
Specific embodiment
In order to present disclosure is further illustrated, implementation below is specifically enumerated.
Embodiment 1
In the composition of every cube of foam concrete：Desulfurization oil cinder 348.19kg, breeze 348.19kg, water 292.48kg, subtract
Aqua 3.48kg, air entraining agent 0.7kg and plasticity-maintaining agent 6.96kg.
Wherein, the work that desulfurization oil cinder is obtained after circulating sulfuration bed technique desulfurization by the high sulfur petroleum coke of oil plant
Industry waste, through ultra-fine grinding mill grinding, its specific surface area is about 850m to oil cinder2/kg.
Wherein, water reducer is calcium lignin sulfonate water depressor.
Wherein, air entraining agent be 0.16kg rosin entraining agent, 0.08kg Chinese honey locust air entraining agent, 0.16kg sodium alkyl sulfonate,
The mixture of 0.06kg sodium alkyl benzene sulfonate, 0.16kg sodium alkyl sulfate and 0.08kg petroleum sodium sulfonate.
Wherein, plasticity-maintaining agent is 2.32kg sodium potassium tartrate tetrahydrate, 1.16kg sodium citrate, 1.16kg propyl alcohol and 2.32kg potassium borate
Mixture.
Its preparation technology include for：
The first step, the raw material in addition to air entraining agent, water reducer and plasticity-maintaining agent is proportionally mixed；
In second step, the compound for proportionally adding the first step to obtain air entraining agent, water reducer and plasticity-maintaining agent, stirring is added to
Continuously stirred in car obtain premixing foam concrete 1..
Embodiment 2
Desulfurization oil cinder 428.76kg, breeze 428.76kg, water 428.76kg, diminishing in the composition of every cube of foam concrete
Agent 4.29kg, air entraining agent 0.86kg and plasticity-maintaining agent 8.57kg.
Wherein, the work that desulfurization oil cinder is obtained after circulating sulfuration bed technique desulfurization by the high sulfur petroleum coke of oil plant
Industry waste, through ultra-fine grinding mill grinding, its specific surface area is about 900m to oil cinder2/kg.
Wherein, water reducer is by 0.71kg sulfomethylated lignin salt water reducer, 0.71kg naphthalene water reducer, 7.15*10-4kgMelamine
Amine system water reducer 1.43kg sulfamate based water reducer, 0.36kg fatty acid series water reducer, 0.71kg polycarboxylate system's diminishing
Agent and 0.37kg casein are mixed.
Wherein, air entraining agent is rosin entraining agent, Chinese honey locust air entraining agent, sodium alkyl sulfonate, sodium alkyl benzene sulfonate, fatty alcohol sulphuric acid
Sodium, the mixture of petroleum sodium sulfonate, wherein, rosin entraining agent 0.172kg, Chinese honey locust air entraining agent 0.086kg, sodium alkyl sulfonate
0.172kg, sodium alkyl benzene sulfonate 0.172kg, sodium alkyl sulfate 0.172kg and petroleum sodium sulfonate 0.086kg.
Wherein, plasticity-maintaining agent is 2.86kg sodium potassium tartrate tetrahydrate, 1.425kg sodium citrate, 1.425kg propyl alcohol and 2.86kg boric acid
The mixture of potassium.
Its preparation technology include for：
The first step, the raw material in addition to air entraining agent, water reducer and plasticity-maintaining agent is proportionally mixed；
In second step, the compound for proportionally adding the first step to obtain air entraining agent, water reducer and plasticity-maintaining agent, stirring is added to
Continuously stirred in car obtain premixing foam concrete 2..
Embodiment 3
Desulfurization oil cinder 388.52kg, breeze 388.52kg, water 291.39kg, diminishing in the composition of every cube of foam concrete
Agent 4.86kg, air entraining agent 2.43kg and plasticity-maintaining agent 24.28kg.
Wherein, the work that desulfurization oil cinder is obtained after circulating sulfuration bed technique desulfurization by the high sulfur petroleum coke of oil plant
Industry waste, through ultra-fine grinding mill grinding, its specific surface area is about 900m to oil cinder2/kg.
Wherein, water reducer is by 1kg sulfomethylated lignin salt water reducer, 1kg naphthalene water reducer, 0.005kg melamine series diminishing
Agent, 1.5kg sulfamate based water reducer, 0.35kg fatty acid series water reducer, 0.6kg polycarboxylate based water reducer and
0.405kg casein is mixed.
Wherein, air entraining agent is rosin entraining agent, Chinese honey locust air entraining agent, sodium alkyl sulfonate, sodium alkyl benzene sulfonate, fatty alcohol sulphuric acid
Sodium, the mixture of petroleum sodium sulfonate, wherein, rosin entraining agent 0.405kg, Chinese honey locust air entraining agent 0.405kg, sodium alkyl sulfonate
0.81kg, sodium alkyl benzene sulfonate 0.2kg, sodium alkyl sulfate 0.405kg and petroleum sodium sulfonate 0.2kg.
Wherein, the plasticity-maintaining agent is 5.4kg sodium potassium tartrate tetrahydrate, 2.7kg sodium citrate, 5.4kg propyl alcohol and 10.78kg boric acid
The mixture of potassium.
Its preparation technology include for：
The first step, the raw material in addition to air entraining agent, water reducer and plasticity-maintaining agent is proportionally mixed；
In second step, the compound for proportionally adding the first step to obtain air entraining agent, water reducer and plasticity-maintaining agent, stirring is added to
Continuously stirred in car obtain premixing foam concrete 3..
Performance measurement is tested
The intensity, dry density of the premixing foam concrete through obtaining to embodiment 1-3, water absorption rate, thermal conductivity factor and dry receipts
Contracting value is measured, and draws values below：
| Embodiment | 28 days intensity kmp | Maximum intensity kmp | Unit weight kg/m3 | Thermal conductivity factor W/m.k |
| Embodiment 1 | 12.1 | 15.5 | 1000 | 0.11 |
| Embodiment 2 | 19.9 | 23.3 | 1300 | 0.1 |
| Embodiment 3 | 16.6 | 21.9 | 1100 | 0.11 |
Presently preferred embodiments of the present invention is the foregoing is only, not in order to limit the present invention, all in the spirit and principles in the present invention
Within, any modification, equivalent substitution and improvement that is made etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of premixing foam concrete, it is characterised in that desulfurization oil cinder 5-10 in the composition of every cube of foam concrete
Part, breeze 5-10 part, water 5-9 part, water reducer 0.05-0.1 part, air entraining agent 0.01-0.05 part and plasticity-maintaining agent 0.1-0.5 part.
2. premixing foam concrete according to claim 1, it is characterised in that institute in the composition of every cube of foam concrete
The mass fraction for stating raw material is：10 parts of desulfurization oil cinder, 10 parts of breeze, 8.4 parts of water, 0.1 part of water reducer, 0.02 part of air entraining agent
With 0.2 part of plasticity-maintaining agent.
3. premixing foam concrete according to claim 1 and 2, it is characterised in that the desulfurization oil cinder is by refining oil
The industrial waste that the high sulfur petroleum coke of factory is obtained after circulating sulfuration bed technique desulfurization, oil cinder through ultra-fine grinding mill grinding,
Its specific surface area is more than 800m2/kg.
4. according to the arbitrary described premixing foam concrete of claim 1-3, it is characterised in that the water reducer is sulfomethylated lignin
Sour calcium water reducer.
5. the premixing foam concrete according to any one of claim 1-4, it is characterised in that the water reducer is by 10-30
Part sulfomethylated lignin salt water reducer, 10-30 part naphthalene water reducer, 0.01-0.1 part melamine system water reducer, 20-40 part amino sulphur
Hydrochlorate based water reducer, 5-10 part fatty acid series water reducer, 10-15 part polycarboxylate based water reducer and 5-10 part casein mixing and
Become.
6. the premixing foam concrete according to any one of claim 1-5, it is characterised in that the air entraining agent draws for rosin
Gas agent, Chinese honey locust air entraining agent, sodium alkyl sulfonate, sodium alkyl benzene sulfonate, sodium alkyl sulfate, the mixture of petroleum sodium sulfonate, wherein,
Mass fraction is rosin entraining agent 1-2 part, Chinese honey locust air entraining agent 0.5-1 part, sodium alkyl sulfonate 1-2 part, sodium alkyl benzene sulfonate 0.4-1
Part, sodium alkyl sulfate 1-2 part and petroleum sodium sulfonate 0.5-1 part.
7. according to the arbitrary described premixing foam concrete of claim 1-6, it is characterised in that the plasticity-maintaining agent is potassium tartrate
The mixture of sodium, sodium citrate, propyl alcohol and potassium borate, its mass fraction ratio are 1：0.5-1：0.5-1：1-2.
8. according to the arbitrary described premixing foam concrete of claim 1-7, it is characterised in that its preparation technology include for：
The first step, the raw material in addition to air entraining agent, water reducer and plasticity-maintaining agent is proportionally mixed；
In second step, the compound for proportionally adding the first step to obtain air entraining agent, water reducer and plasticity-maintaining agent, stirring is added to
Continuously stirred in car.
9. a kind of preparation technology of the premixing foam concrete according to any one of claim 1-8, it is characterised in that its bag
Include following steps：
The first step, the raw material in addition to air entraining agent, water reducer and plasticity-maintaining agent is proportionally mixed；
In second step, the compound for proportionally adding the first step to obtain air entraining agent, water reducer and plasticity-maintaining agent, stirring is added to
Continuously stirred in car.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910215586.6A CN109942269B (en) | 2016-10-28 | 2016-10-28 | Green ultralight high-performance foam concrete and preparation process thereof |
| CN201610961449.3A CN106478147B (en) | 2016-10-28 | 2016-10-28 | A kind of premixing foam concrete and its preparation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610961449.3A CN106478147B (en) | 2016-10-28 | 2016-10-28 | A kind of premixing foam concrete and its preparation process |
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| CN201910215586.6A Division CN109942269B (en) | 2016-10-28 | 2016-10-28 | Green ultralight high-performance foam concrete and preparation process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110342870A (en) * | 2019-06-20 | 2019-10-18 | 广州和裕建材有限公司 | Air-entrained concrete building block |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111484341B (en) * | 2020-03-13 | 2021-01-15 | 苏州盛曼特新材料有限公司 | Retarding composite water reducing agent for silica-free refractory self-flowing castable and preparation method thereof |
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| CN106478147B (en) | 2019-04-19 |
| CN109942269B (en) | 2021-05-25 |
| CN109942269A (en) | 2019-06-28 |
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