CN112456948A - Steel slag-doped powder material - Google Patents
Steel slag-doped powder material Download PDFInfo
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- CN112456948A CN112456948A CN202011471788.6A CN202011471788A CN112456948A CN 112456948 A CN112456948 A CN 112456948A CN 202011471788 A CN202011471788 A CN 202011471788A CN 112456948 A CN112456948 A CN 112456948A
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- China
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- parts
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- steel slag
- cement clinker
- water
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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
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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
- 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
- C04B2111/26—Corrosion of reinforcement resistance
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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)
Abstract
The invention relates to the technical field of steel slag-blended powder materials, in particular to a steel slag-blended powder material, which comprises a cement clinker mixture, gypsum powder, a rust inhibitor, a water reducing agent, fly ash and water, and is characterized in that: the composition comprises the following components in parts by weight: 900-960 parts of cement clinker mixture, 30-40 parts of gypsum powder, 6.2-6.8 parts of rust inhibitor, 5.5-5.8 parts of water reducer, 180-200 parts of fly ash and 400-460 parts of water. According to the invention, the cement clinker mixture, the gypsum powder, the rust inhibitor, the water reducer, the fly ash and the water are added, and the problem that the existing steel slag cement is rusted to reinforcing steel bars or other pre-buried metals in the pouring process can be effectively solved by adding the rust inhibitor, so that the construction difficulty is effectively reduced, the production cost is reduced, the construction period is greatly shortened, and the energy is effectively saved and the environment is effectively protected.
Description
Technical Field
The invention relates to the technical field of steel slag-blended powder materials, in particular to a steel slag-blended powder material.
Background
The existing steel slag cement is a hydraulic cementing material which is prepared by taking open-hearth and converter steel slag as main components, adding a certain amount of other admixtures and a proper amount of gypsum and grinding the mixture, and is called steel slag cement.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a steel slag-doped powder material.
In order to achieve the purpose, the invention adopts the following technical scheme:
a powder material mixed with steel slag comprises a cement clinker mixture, gypsum powder, a rust inhibitor, a water reducing agent, fly ash and water, and is characterized in that: the composition comprises the following components in parts by weight: 900-960 parts of cement clinker mixture, 30-40 parts of gypsum powder, 6.2-6.8 parts of rust inhibitor, 5.5-5.8 parts of water reducer, 180-200 parts of fly ash and 400-460 parts of water.
Preferably, the composition consists of the following components in parts by weight: 900 parts by weight of cement clinker mixture, 30 parts by weight of gypsum powder, 6.2 parts by weight of rust inhibitor, 5.5 parts by weight of water reducer, 180 parts by weight of fly ash and 400 parts by weight of water.
Preferably, the composition consists of the following components in parts by weight: 930 parts of cement clinker mixture, 35 parts of gypsum powder, 6.5 parts of rust inhibitor, 5.65 parts of water reducer, 190 parts of fly ash and 430 parts of water.
Preferably, the composition consists of the following components in parts by weight: 960 parts by weight of cement clinker mixture, 40 parts by weight of gypsum powder, 6.8 parts by weight of rust inhibitor, 5.8 parts by weight of water reducer, 200 parts by weight of fly ash and 460 parts by weight of water.
Preferably, the cement clinker mixture comprises steel slag and silicate cement clinker, and the ratio of the weight parts of the steel slag to the weight parts of the silicate cement clinker is 1: 5.
Preferably, the rust inhibitor is a composite amino alcohol steel bar rust inhibitor.
Preferably, the ratio of the parts by weight of the portland cement clinker to the parts by weight of the rust inhibitor is 100: 3.
The invention has the beneficial effects that:
according to the invention, the cement clinker mixture, the gypsum powder, the rust inhibitor, the water reducer, the fly ash and the water are added, and the problem that the existing steel slag cement is rusted to reinforcing steel bars or other pre-buried metals in the pouring process can be effectively solved by adding the rust inhibitor, so that the construction difficulty is effectively reduced, the production cost is reduced, the construction period is greatly shortened, and the energy is effectively saved and the environment is effectively protected.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
The steel slag-doped powder material consists of the following components in parts by weight:
900 parts by weight of cement clinker mixture, 30 parts by weight of gypsum powder, 6.2 parts by weight of rust inhibitor, 5.5 parts by weight of water reducer, 180 parts by weight of fly ash and 400 parts by weight of water;
specifically, in the embodiment, the powdered carbon ash can effectively reduce the hydration heat of subsequent concrete, the using amount of cement clinker is reduced under the condition of ensuring the strength of the concrete, the production cost is saved, the practicability is improved, the self-shrinkage rate of the concrete and the central temperature of the concrete are also reduced, the cement clinker mixture comprises steel slag and silicate cement clinker, and the ratio of the weight parts of the steel slag to the weight parts of the silicate cement clinker is 1: 5;
in addition, the rust inhibitor is a composite amino alcohol steel bar rust inhibitor, the weight ratio of the Portland cement clinker to the rust inhibitor is 100:3, and the rust inhibitor can effectively solve the problem that the existing steel slag cement rusts steel bars or other embedded metals in the pouring process, and the rust inhibitor is adsorbed to the surfaces of the steel bars or other embedded metals in an ionic state or a gaseous state and reacts to form a chemical film similar to rust, so that the service life of the steel bars and the embedded metals is prolonged, and meanwhile, the practical performance is greatly improved.
Example two
The steel slag-doped powder material consists of the following components in parts by weight:
930 parts of cement clinker mixture, 35 parts of gypsum powder, 6.5 parts of rust inhibitor, 5.65 parts of water reducer, 190 parts of fly ash and 430 parts of water;
specifically, in the embodiment, the powdered carbon ash can effectively reduce the hydration heat of subsequent concrete, the using amount of cement clinker is reduced under the condition of ensuring the strength of the concrete, the production cost is saved, the practicability is improved, the self-shrinkage rate of the concrete and the central temperature of the concrete are also reduced, the cement clinker mixture comprises steel slag and silicate cement clinker, and the ratio of the weight parts of the steel slag to the weight parts of the silicate cement clinker is 1: 5;
in addition, the rust inhibitor is a composite amino alcohol steel bar rust inhibitor, the weight ratio of the Portland cement clinker to the rust inhibitor is 100:3, and the rust inhibitor can effectively solve the problem that the existing steel slag cement rusts steel bars or other embedded metals in the pouring process, and the rust inhibitor is adsorbed to the surfaces of the steel bars or other embedded metals in an ionic state or a gaseous state and reacts to form a chemical film similar to rust, so that the service life of the steel bars and the embedded metals is prolonged, and meanwhile, the practical performance is greatly improved.
EXAMPLE III
The steel slag-doped powder material consists of the following components in parts by weight:
960 parts by weight of cement clinker mixture, 40 parts by weight of gypsum powder, 6.8 parts by weight of rust inhibitor, 5.8 parts by weight of water reducer, 200 parts by weight of fly ash and 460 parts by weight of water;
specifically, in the embodiment, the powdered carbon ash can effectively reduce the hydration heat of subsequent concrete, the using amount of cement clinker is reduced under the condition of ensuring the strength of the concrete, the production cost is saved, the practicability is improved, the self-shrinkage rate of the concrete and the central temperature of the concrete are also reduced, the cement clinker mixture comprises steel slag and silicate cement clinker, and the ratio of the weight parts of the steel slag to the weight parts of the silicate cement clinker is 1: 5;
in addition, the rust inhibitor is a composite amino alcohol steel bar rust inhibitor, the weight ratio of the Portland cement clinker to the rust inhibitor is 100:3, and the rust inhibitor can effectively solve the problem that the existing steel slag cement rusts steel bars or other embedded metals in the pouring process, and the rust inhibitor is adsorbed to the surfaces of the steel bars or other embedded metals in an ionic state or a gaseous state and reacts to form a chemical film similar to rust, so that the service life of the steel bars and the embedded metals is prolonged, and meanwhile, the practical performance is greatly improved.
And judging whether the corrosion degree is qualified or not by adopting a sample experiment method. (refer to the fact that the degree of surface originality of an uncoated steel material is classified into four grades in terms of the degree of scale coverage and the degree of corrosion according to ISO 8501-1: 1988, which are respectively represented by A, B, C, D:
A. covering a large area with adherent scale, with little rust;
B. rust has started to rust and the scale has started to flake off;
C. the scale had peeled off or could be scraped off by rust, but only a small amount of pitting was seen under normal visual observation;
D. the scale had peeled off by tarnishing and a large number of rusts were visible under normal visual inspection.
TABLE 1 relationship between the content of the rust inhibitor and the powder material of the steel slag
According to the invention, the cement clinker mixture, the gypsum powder, the rust inhibitor, the water reducer, the fly ash and the water are added, and the problem that the existing steel slag cement is rusted to reinforcing steel bars or other pre-buried metals in the pouring process can be effectively solved by adding the rust inhibitor, so that the construction difficulty is effectively reduced, the production cost is reduced, the construction period is greatly shortened, and the energy is effectively saved and the environment is effectively protected.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A powder material mixed with steel slag comprises a cement clinker mixture, gypsum powder, a rust inhibitor, a water reducing agent, fly ash and water, and is characterized in that: the composition comprises the following components in parts by weight: 900-960 parts of cement clinker mixture, 30-40 parts of gypsum powder, 6.2-6.8 parts of rust inhibitor, 5.5-5.8 parts of water reducer, 180-200 parts of fly ash and 400-460 parts of water.
2. The steel slag-doped powder material as claimed in claim 1, which is prepared from the following components in parts by weight:
900 parts by weight of cement clinker mixture, 30 parts by weight of gypsum powder, 6.2 parts by weight of rust inhibitor, 5.5 parts by weight of water reducer, 180 parts by weight of fly ash and 400 parts by weight of water.
3. The steel slag-doped powder material as claimed in claim 1, which is prepared from the following components in parts by weight:
930 parts of cement clinker mixture, 35 parts of gypsum powder, 6.5 parts of rust inhibitor, 5.65 parts of water reducer, 190 parts of fly ash and 430 parts of water.
4. The steel slag-doped powder material as claimed in claim 1, which is prepared from the following components in parts by weight:
960 parts by weight of cement clinker mixture, 40 parts by weight of gypsum powder, 6.8 parts by weight of rust inhibitor, 5.8 parts by weight of water reducer, 200 parts by weight of fly ash and 460 parts by weight of water.
5. The steel slag-doped powder material as recited in claim 1, wherein the cement clinker mixture comprises steel slag and portland cement clinker, and the ratio of the weight parts of the steel slag to the weight parts of the portland cement clinker is 1: 5.
6. The steel slag-doped powder material as recited in claim 1, wherein the corrosion inhibitor is a composite amino alcohol steel bar corrosion inhibitor.
7. The steel slag-doped powder material as recited in claim 5, wherein the ratio of the parts by weight of the portland cement clinker to the rust inhibitor is 100: 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011471788.6A CN112456948A (en) | 2020-12-15 | 2020-12-15 | Steel slag-doped powder material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011471788.6A CN112456948A (en) | 2020-12-15 | 2020-12-15 | Steel slag-doped powder material |
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| Publication Number | Publication Date |
|---|---|
| CN112456948A true CN112456948A (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011471788.6A Pending CN112456948A (en) | 2020-12-15 | 2020-12-15 | Steel slag-doped powder material |
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| Country | Link |
|---|---|
| CN (1) | CN112456948A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1065849A (en) * | 1991-04-17 | 1992-11-04 | 文铁生 | Steel slag cement |
| CN109336474A (en) * | 2018-09-30 | 2019-02-15 | 颍上县永军建材有限责任公司 | A kind of cement additive |
-
2020
- 2020-12-15 CN CN202011471788.6A patent/CN112456948A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1065849A (en) * | 1991-04-17 | 1992-11-04 | 文铁生 | Steel slag cement |
| CN109336474A (en) * | 2018-09-30 | 2019-02-15 | 颍上县永军建材有限责任公司 | A kind of cement additive |
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Application publication date: 20210309 |
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