CN107311576A - A kind of low alkalinity ecological concrete and preparation method thereof - Google Patents
A kind of low alkalinity ecological concrete and preparation method thereof Download PDFInfo
- Publication number
- CN107311576A CN107311576A CN201710404785.2A CN201710404785A CN107311576A CN 107311576 A CN107311576 A CN 107311576A CN 201710404785 A CN201710404785 A CN 201710404785A CN 107311576 A CN107311576 A CN 107311576A
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- Prior art keywords
- low alkalinity
- preparation
- ecological concrete
- flyash
- concrete according
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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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous 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
- C04B2111/00017—Aspects relating to the protection of the environment
-
- 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
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00112—Mixtures characterised by specific pH values
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of low alkalinity ecological concrete and preparation method thereof, including sludge ceramsite, sulphate aluminium cement, water reducer, flyash, slag micropowder, plant ash, aluminum sulfate and water, regulate and control the basicity of low alkalinity ecological concrete by aluminum sulfate so that the concrete does not interfere with the normal growth of plant.Benefit of the invention：（1）This technology has been dissolved flyash, slag micropowder, plant ash the like waste, has widened the utilization ways of solid waste material；（2）This technology technique is simple, without large-scale energy consumption equipment；（3）The pH value for the low alkalinity gel material that this technology is obtained is less than 11, and has and normal concrete identical mechanical property, has been provided simultaneously with the unexistent biological applicability of versatile material.
Description
Technical field
The present invention relates to a kind of construction material, and in particular to a kind of low alkalinity ecological concrete and preparation method thereof.
Background technology
Cement-based gelling material（Such as：Concrete）The most artificial engineering materials used at present, it have it is pourable,
The good characteristics such as economic, durable, field fabrication.It brings civilization, while also causing pollution to environment to the mankind.21 century
The developing direction of concrete should be Eco-friendly concrete, therefore, and binder materials should break through the model of traditional building material
Enclose, developing ecology environmentally friendly material walks Sustainable Development Road.It can be reduced using eco-concrete and environment is born
Lotus, can be again that manpower constructs comfortable environment with natural ecosystems coordinated growth.Low alkalinity gel material requires aquation solidification
Later pH value continues do not influenceing the level of plant growth so that root system of plant can grow in great numbers wherein.Nowadays reduce
The method of basicity is mainly nature carbonizatin method and envelope alkaline process, but the former destroys the microstructure inside cement, causes coagulation
Native cementing power is greatly lowered；High-molecular compound strong toxicity used in the latter, is easily decomposed, and construction cost is high, therefore more than
Method all can not fundamentally overcome the too high shortcoming of basicity inside eco-concrete, thus propose a kind of low alkalinity gel material and
Its preparation method.
The content of the invention
The purpose of the present invention is that provides a kind of low alkalinity ecological concrete and preparation method thereof to solve the above problems,
So as to solve the above problems.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：
The invention provides a kind of low alkalinity ecological concrete and preparation method thereof, including sludge ceramsite, sulphate aluminium cement, subtract
Aqua, flyash, slag micropowder, plant ash, aluminum sulfate and water, are formulated by following raw material according to mass percent is flat：
The sludge ceramsite 40% ~ 60%
The sulphate aluminium cement 15% ~ 30%
The water reducer 2% ~ 7.5%
The flyash 10% ~ 20%
The slag micropowder 7% ~ 15%
The plant ash 3% ~ 8%
The aluminum sulfate 1% ~ 5%
The water 10% ~ 25%
As a preferred technical solution of the present invention, the sludge ceramsite is municipal sludge haydite, and particle diameter is 5mm ~ 15mm.
As a preferred technical solution of the present invention, the specific surface area of the sulphate aluminium cement is 400 m2/kg.
As a preferred technical solution of the present invention, the water reducer is naphthalene water reducer, powdered, mass percent
≥92%。
As a preferred technical solution of the present invention, the flyash is I grade of flyash of flyash power plant, w (fineness
(80 μm)) it is 8.5%, loss on ignition is 3.50%.
As a preferred technical solution of the present invention, the slag micropowder loss on ignition be 1.72%, it is levigate after ratio surface
Product is 451m2/kg.
As a preferred technical solution of the present invention, the plant ash be straw electric generation plant plant ash, w (K2O) be 5% ~
12%, w (Cao) are that 5% ~ 20%, w (P2O5) is 0.5% ~ 3.5%.
As a preferred technical solution of the present invention, the aluminum sulfate, Han Liang≤99%.
As a preferred technical solution of the present invention, comprise the following steps：Take the 1/ of the sulphate aluminium cement quality
4,10min is stirred together with the slag micropowder, the flyash, the plant ash and the water reducer, finally again surplus
The sulphate aluminium cement of remaining 3/4 is added in mixer, is stirred 10min, is stirred when adding water, add the sludge
Haydite, stirs 3min.
The beneficial effect that is reached of the present invention is：A kind of low alkalinity ecological concrete and preparation method thereof, passes through aluminum sulfate
To regulate and control the basicity of low alkalinity ecological concrete so that the concrete does not interfere with the normal growth of plant, benefit of the invention：
（1）This technology has been dissolved flyash, slag micropowder, plant ash the like waste, has widened the utilization ways of solid waste material；
（2）This technology technique is simple, without large-scale energy consumption equipment；
（3）The pH value for the low alkalinity gel material that this technology is obtained is less than 11, and has and normal concrete identical mechanics
Performance, has been provided simultaneously with the unexistent biological applicability of versatile material.
Embodiment
The preferred embodiments of the present invention are illustrated below, it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment 1
The present invention provides a kind of low alkalinity ecological concrete and preparation method thereof, including sludge ceramsite, sulphate aluminium cement, diminishing
Agent, flyash, slag micropowder, plant ash, aluminum sulfate and water, are formulated by following raw material according to mass percent is flat：
Sludge ceramsite 40% ~ 60%
Sulphate aluminium cement 15% ~ 30%
Water reducer 2% ~ 7.5%
Flyash 10% ~ 20%
Slag micropowder 7% ~ 15%
Plant ash 3% ~ 8%
Aluminum sulfate 1% ~ 5%
Water 10% ~ 25%
Sludge ceramsite is municipal sludge haydite, and particle diameter is 5mm ~ 15mm.
The specific surface area of sulphate aluminium cement is 400 m2/kg.
Water reducer is naphthalene water reducer, powdered, mass percent >=92%.
Flyash is I grade of flyash of flyash power plant, and w (fineness (80 μm)) is 8.5%, and loss on ignition is 3.50%.
Slag micropowder loss on ignition be 1.72%, it is levigate after specific surface area be 451m2/kg.
Plant ash is straw electric generation plant plant ash, w (K2O) be 5% ~ 12%, w (Cao) be 5% ~ 20%, w (P2O5) be 0.5% ~
3.5%。
Aluminum sulfate, Han Liang≤99%.
The 1/4 of sulphate aluminium cement quality is taken, is stirred together with slag micropowder, flyash, plant ash and water reducer
10min, is finally added to remaining 3/4 sulphate aluminium cement in mixer again, stirs 10min, is stirred when adding water, then
Sludge ceramsite is added, 3min is stirred.
The invention provides a kind of low alkalinity ecological concrete, formed by following raw material according to mass percent configuration：
Sludge ceramsite 45%
Sulphate aluminium cement 20%
Water reducer 5%
Flyash 15%
Slag micropowder 10%
Plant ash 4%
Aluminum sulfate 3%
Water 16%
It is preferred that, described sludge ceramsite is municipal sludge haydite, and particle diameter is 5mm ~ 15mm.
It is preferred that, the described m2/kg of sulphate aluminium cement specific surface area 400.
It is preferred that, described water reducer is naphthalene water reducer, powdered, mass percent >=92%.
It is preferred that, described I grade of flyash of flyash power plant, w (fineness (80 μm)) is 8.5%, and loss on ignition is 3.50%.
It is preferred that, described slag micropowder loss on ignition 1.72%, it is levigate after specific surface area be 451m2/kg.
It is preferred that, described plant ash is straw electric generation plant plant ash, and w (K2O) is that 5% ~ 12%, w (CaO) is 5% ~ 20%, w
(P2O5) it is 0.5% ~ 3.5%.
It is preferred that, described aluminum sulfate, Han Liang≤99%.
Low alkalinity gel material provided by the present invention and preparation method thereof is comprised the following steps that：Take sulphate aluminium cement
The 1/4 of quality, stirs 10min together with slag micropowder, flyash, plant ash, water reducer, finally again remaining 3/4
Sulphate aluminium cement is added in mixer, is stirred 10min, is stirred when adding water, and adds sludge ceramsite, and stirring 3min is
Can.
The beneficial effect that is reached of the present invention is：A kind of low alkalinity ecological concrete and preparation method thereof, passes through aluminum sulfate
To regulate and control the basicity of low alkalinity ecological concrete so that the concrete does not interfere with the normal growth of plant, benefit of the invention：
（1）This technology has been dissolved flyash, slag micropowder, plant ash the like waste, has widened the utilization ways of solid waste material；
（2）This technology technique is simple, without large-scale energy consumption equipment；
（3）The pH value for the low alkalinity gel material that this technology is obtained is less than 11, and has and normal concrete identical mechanics
Performance, has been provided simultaneously with the unexistent biological applicability of versatile material.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (9)
1. a kind of low alkalinity ecological concrete and preparation method thereof, including sludge ceramsite, sulphate aluminium cement, water reducer, fine coal
Ash, slag micropowder, plant ash, aluminum sulfate and water, it is characterised in that by following raw material according to flat prepare of mass percent
Into：
The sludge ceramsite 40% ~ 60%
The sulphate aluminium cement 15% ~ 30%
The water reducer 2% ~ 7.5%
The flyash 10% ~ 20%
The slag micropowder 7% ~ 15%
The plant ash 3% ~ 8%
The aluminum sulfate 1% ~ 5%
The water 10% ~ 25%.
2. a kind of low alkalinity ecological concrete according to claims 1 and preparation method thereof, it is characterised in that the dirt
Mud haydite is municipal sludge haydite, and particle diameter is 5mm ~ 15mm.
3. a kind of low alkalinity ecological concrete according to claims 1 and preparation method thereof, it is characterised in that the sulphur
The specific surface area of aluminate cement is 400 m2/kg.
4. a kind of low alkalinity ecological concrete according to claims 1 and preparation method thereof, it is characterised in that described to subtract
Aqua is naphthalene water reducer, powdered, mass percent >=92%.
5. a kind of low alkalinity ecological concrete according to claims 1 and preparation method thereof, it is characterised in that the powder
Coal ash is I grade of flyash of flyash power plant, and w (fineness (80 μm)) is 8.5%, and loss on ignition is 3.50%.
6. a kind of low alkalinity ecological concrete according to claims 1 and preparation method thereof, it is characterised in that the ore deposit
Slag micro mist loss on ignition be 1.72%, it is levigate after specific surface area be 451m2/kg.
7. a kind of low alkalinity ecological concrete according to claims 1 and preparation method thereof, it is characterised in that the grass
Wood ash is straw electric generation plant plant ash, and w (K2O) is that 5% ~ 12%, w (Cao) is that 5% ~ 20%, w (P2O5) is 0.5% ~ 3.5%.
8. a kind of low alkalinity ecological concrete according to claims 1, it is characterised in that the aluminum sulfate, Han Liang≤
99%。
9. a kind of low alkalinity ecological concrete according to claims 1 and preparation method thereof, it is characterised in that including with
Lower step：The 1/4 of the sulphate aluminium cement quality is taken, with the slag micropowder, the flyash, the plant ash and institute
State water reducer and stir 10min together, finally remaining 3/4 sulphate aluminium cement is added in mixer again, stirred
10min is mixed, is stirred when adding water, the sludge ceramsite is added, 3min is stirred.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710404785.2A CN107311576A (en) | 2017-06-01 | 2017-06-01 | A kind of low alkalinity ecological concrete and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710404785.2A CN107311576A (en) | 2017-06-01 | 2017-06-01 | A kind of low alkalinity ecological concrete and preparation method thereof |
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| CN107311576A true CN107311576A (en) | 2017-11-03 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108640630A (en) * | 2018-05-29 | 2018-10-12 | 宁波联城住工科技有限公司 | Anticracking grout mixed type dry powder |
| CN110317008A (en) * | 2019-07-17 | 2019-10-11 | 华新水泥股份有限公司 | A kind of plant cover concrete and the preparation method and application thereof |
| CN112079609A (en) * | 2020-09-23 | 2020-12-15 | 天津水泥工业设计研究院有限公司 | Low-alkalinity fertilizer efficiency slow-release type ceramsite plant-growing concrete and preparation method thereof |
| CN112645669A (en) * | 2021-01-08 | 2021-04-13 | 马鞍山十七冶工程科技有限责任公司 | Construction solid waste regeneration plant-growing low-alkalinity concrete and manufacturing method thereof |
| CN115700231A (en) * | 2022-11-11 | 2023-02-07 | 杭州汉特建材有限公司 | Porous ecological concrete and preparation process thereof |
| WO2023207125A1 (en) | 2022-04-24 | 2023-11-02 | 核工业北京地质研究院 | Low-ph-value cementing material and preparation method therefor |
| JP7514054B2 (en) | 2020-01-22 | 2024-07-10 | 太平洋セメント株式会社 | Cement admixture and cement composition |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108640630A (en) * | 2018-05-29 | 2018-10-12 | 宁波联城住工科技有限公司 | Anticracking grout mixed type dry powder |
| CN110317008A (en) * | 2019-07-17 | 2019-10-11 | 华新水泥股份有限公司 | A kind of plant cover concrete and the preparation method and application thereof |
| CN110317008B (en) * | 2019-07-17 | 2021-09-14 | 华新水泥股份有限公司 | Vegetation concrete and preparation method and application thereof |
| JP7514054B2 (en) | 2020-01-22 | 2024-07-10 | 太平洋セメント株式会社 | Cement admixture and cement composition |
| CN112079609A (en) * | 2020-09-23 | 2020-12-15 | 天津水泥工业设计研究院有限公司 | Low-alkalinity fertilizer efficiency slow-release type ceramsite plant-growing concrete and preparation method thereof |
| CN112079609B (en) * | 2020-09-23 | 2022-08-23 | 天津水泥工业设计研究院有限公司 | Low-alkalinity fertilizer efficiency slow-release type ceramsite plant-growing concrete and preparation method thereof |
| CN112645669A (en) * | 2021-01-08 | 2021-04-13 | 马鞍山十七冶工程科技有限责任公司 | Construction solid waste regeneration plant-growing low-alkalinity concrete and manufacturing method thereof |
| WO2023207125A1 (en) | 2022-04-24 | 2023-11-02 | 核工业北京地质研究院 | Low-ph-value cementing material and preparation method therefor |
| CN115700231A (en) * | 2022-11-11 | 2023-02-07 | 杭州汉特建材有限公司 | Porous ecological concrete and preparation process thereof |
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