CN110143772A - A kind of formula of bubble slag and its cement - Google Patents
A kind of formula of bubble slag and its cement Download PDFInfo
- Publication number
- CN110143772A CN110143772A CN201910493914.9A CN201910493914A CN110143772A CN 110143772 A CN110143772 A CN 110143772A CN 201910493914 A CN201910493914 A CN 201910493914A CN 110143772 A CN110143772 A CN 110143772A
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- CN
- China
- Prior art keywords
- parts
- slag
- bubble
- cement
- bubble slag
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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
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- C04B7/26—Cements from oil shales, residues or waste other than slag from raw materials containing flue dust, i.e. fly ash
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of bubble slag and its formulas of cement, wherein the composition of bubble slag includes the raw material of following parts by weight: 50-70 parts of silica, 15-25 parts of calcium oxide, 12-20 parts of aluminium oxide, 1-3 parts of magnesia, 6-10 parts of granulated slag；The composition of cement includes the raw material of following parts by weight: 50-70 parts of clinker, 8-15 parts of gypsum, 15-25 parts of bubble slag, 3-5 parts of flyash, 6-10 parts of active addition.Preferably, moderate strength can be applied preferably in cement preparation bubble slag activity of the invention, and the cement quality obtained after proportion is more satisfactory, good strength, and setting time is shortened.
Description
Technical field
The present invention relates to technical field of cement production, and in particular to a kind of bubble slag and its cement formula.
Background technique
Cement is powdery hydraulicity inorganic coagulation material, at slurry after adding water and stirring, can be hardened in air or in water
Middle hardening, and can the materials such as sand, stone are cemented together securely.Currently, in cement production process, usually by clinker, stone
Cream, slag and lime stone simultaneous grinding.And the compression strength of finished cement is mainly influenced by clinker strength, and other compositions meeting
It influences clinker strength to play, and then influences strength of cement.Meanwhile the problem of cement is in the production process, and coal consumption and material consume
It is very serious, to also be increased manufacturing cost in certain degree.Therefore, cost and enhancing strength of cement how to be reduced always
It is problem.
Summary of the invention
In view of the foregoing, it is an object to provide a kind of bubble slag and its cement formula, the water being prepared
Steep slag activity preferably, moderate strength is applied in cement preparation, and the cement quality obtained after proportion is more satisfactory, good strength.
To achieve the goals above, the technical solution adopted by the present invention are as follows: a kind of bubble slag, the original including following parts by weight
Material: 50-70 parts of silica, 15-25 parts of calcium oxide, 12-20 parts of aluminium oxide, 1-3 parts of magnesia, 6-10 parts of granulated slag.
Above-mentioned bubble slag further includes 2-4 parts of melilite.Preferably, addition can increase water to the activity of melilite in bubble slag
Steep the activity of slag.
The weight ratio of the silica and calcium oxide is (3.5-4.5): 1.Silica and calcium oxide are belonging respectively to
Acidic oxide and basic anhydride, it is required that the ratio of acidic oxide and basic anhydride total in bubble slag is not less than 1,
Because if acidic oxide content is higher, then the rate of set of cement and early strength enhancement rate are slack-off, and later strength can be shown
It writes and improves, and the corrosion resistance of cement can be enhanced.
The granulated slag is the mixture of metal granulated slag and nonmetallic granulated slag；Wherein, metal granulated slag and nonmetallic granulated slag
Weight ratio be (5-8): 1.
The metal powder cinder ladle contains following ingredient: 0.6-1 parts of potassium, 0.2-0.5 parts of manganous oxide, 4-7 parts of iron powder and vulcanization
2-4 parts of molybdenum.
The non-metal powder cinder ladle is containing following ingredient: 1.5-3 parts of phosphorus pentoxide.
Cement comprising above-mentioned bubble slag, the raw material including following parts by weight: 50-70 parts of clinker, 8-15 parts of gypsum, bubble
15-25 parts of slag, 3-5 parts of flyash, 6-10 parts of active addition.
The weight ratio of the bubble slag and flyash is (3-8): 1；Bubble slag is similar with the ingredient of flyash, enhances bubble
The reasonable weight ratio of bubble slag and flyash is added in cement after the active constituent of slag, it can be than adding the water of its single component
Mud intensity increases, and slows down being excessively used and bubble slag is become and abandoning to be precious for flyash.
Wherein, the adjustable cement performance of addition one side of active addition, increases yield；It on the other hand can also be with
Reduce cement cost.
Beneficial effects of the present invention: preferably, moderate strength can preferably be applied in cement system bubble slag activity of the invention
In standby, the cement quality obtained after proportion is more satisfactory, good strength, and setting time is shortened；And cement is in manufacturing process
In, the problem of substituting most flyash and other fillers using bubble slag, coal consumption and material consumption can be reduced, thus also certain
Degree on reduce manufacturing cost.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Clinker, gypsum and active addition simultaneous grinding are first shaped ripe material by cement provided in an embodiment of the present invention
Powder, then bubble slag and flyash are individually ground and form filler material；Later by chamotte powder and filler material and by weight mixing.
In this way, avoiding grinding unevenness and undercompounding, clinker strength performance is influenced, and then influence strength of cement.
Embodiment 1
A kind of bubble slag, the raw material including following parts by weight: 62 parts of silica, 18 parts of calcium oxide, 16 parts of aluminium oxide, magnesia
2 parts, 8 parts of granulated slag, 3 parts of melilite；
The granulated slag is the mixture of metal granulated slag and nonmetallic granulated slag；Wherein, metal powder cinder ladle contains following ingredient: potassium 0.8
Part, 0.3 part of manganous oxide, 5 parts of iron powder and 3 parts of molybdenum sulfide；Non-metal powder cinder ladle is containing following ingredient: 2 parts of phosphorus pentoxide.
Cement comprising above-mentioned bubble slag, the raw material including following parts by weight: 60 parts of clinker, 11 parts of gypsum, bubble slag 18
Part, 4 parts of flyash, 8 parts of active addition.
Embodiment 2
A kind of bubble slag, the raw material including following parts by weight: 65 parts of silica, 20 parts of calcium oxide, 18 parts of aluminium oxide, magnesia
2 parts, 8 parts of granulated slag, 3 parts of melilite；
The granulated slag is the mixture of metal granulated slag and nonmetallic granulated slag；Wherein, metal powder cinder ladle contains following ingredient: potassium 0.9
Part, 0.4 part of manganous oxide, 6 parts of iron powder and 3 parts of molybdenum sulfide；Non-metal powder cinder ladle is containing following ingredient: 2 parts of phosphorus pentoxide.
Cement comprising above-mentioned bubble slag, the raw material including following parts by weight: 60 parts of clinker, 13 parts of gypsum, bubble slag 20
Part, 4 parts of flyash, 8 parts of active addition.
Embodiment 3
A kind of bubble slag, the raw material including following parts by weight: 66 parts of silica, 22 parts of calcium oxide, 20 parts of aluminium oxide, magnesia
2.6 parts, 10 parts of granulated slag, 4 parts of melilite；
The granulated slag is the mixture of metal granulated slag and nonmetallic granulated slag；Wherein, metal powder cinder ladle contains following ingredient: potassium 0.9
Part, 0.4 part of manganous oxide, 6 parts of iron powder and 4 parts of molybdenum sulfide；Non-metal powder cinder ladle is containing following ingredient: 2.5 parts of phosphorus pentoxide.
Cement comprising above-mentioned bubble slag, the raw material including following parts by weight: 64 parts of clinker, 13 parts of gypsum, bubble slag 22
Part, 5 parts of flyash, 10 parts of active addition.
Comparative example 1
A kind of bubble slag, the raw material including following parts by weight: 65 parts of silica, 20 parts of calcium oxide, 18 parts of aluminium oxide, magnesia
2 parts, 8 parts of granulated slag, 3 parts of melilite；
The granulated slag is the mixture of metal granulated slag and nonmetallic granulated slag；Wherein, metal powder cinder ladle contains following ingredient: potassium 0.9
Part, 0.4 part of manganous oxide, 6 parts of iron powder and 3 parts of molybdenum sulfide；Non-metal powder cinder ladle is containing following ingredient: 2 parts of phosphorus pentoxide.
Cement comprising above-mentioned bubble slag, the raw material including following parts by weight: 60 parts of clinker, 13 parts of gypsum, bubble slag 24
Part, 8 parts of active addition.
Comparative example 2
A kind of bubble slag, the raw material including following parts by weight: 65 parts of silica, 20 parts of calcium oxide, 18 parts of aluminium oxide, magnesia
2 parts, 8 parts of granulated slag, 3 parts of melilite；
The granulated slag is the mixture of metal granulated slag and nonmetallic granulated slag；Wherein, metal powder cinder ladle contains following ingredient: potassium 0.9
Part, 0.4 part of manganous oxide, 6 parts of iron powder and 3 parts of molybdenum sulfide；Non-metal powder cinder ladle is containing following ingredient: 2 parts of phosphorus pentoxide.
Cement comprising above-mentioned bubble slag, the raw material including following parts by weight: 60 parts of clinker, 13 parts of gypsum, flyash 24
Part, 8 parts of active addition.
The strength of cement (being reference object with embodiment 2) of embodiment 1-3 and comparative example 1-2 are detected, as a result
It is as follows:
From upper table it can be seen that: embodiment 1-3 provide cement compression strength and flexural strength and control group cement resistance to compression
Intensity is compared with flexural strength, and compression strength improves 4.2~5.7MPa within 3 days, and flexural strength improves 1.3~1.6MPa；
Its 28 days compression strength improve 6~8.2MPa, and flexural strength improves 1.6~2.4MPa；Show bubble slag and flyash
Rational proportion, which is added in cement, makes the strength of cement than adding single component increase.
In conclusion it is anti-to add the 3 days compression strength of cement of bubble slag and flyash formation, flexural strength and 28 days simultaneously
Compressive Strength, flexural strength have preferable promotion.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of bubble slag, which is characterized in that the raw material including following parts by weight: 50-70 parts of silica, calcium oxide 15-25
Part, 12-20 parts of aluminium oxide, 1-3 parts of magnesia, 6-10 parts of granulated slag.
2. a kind of bubble slag according to claim 1, which is characterized in that further include 2-4 parts of melilite.
3. a kind of bubble slag according to claim 1, which is characterized in that the weight ratio of the silica and calcium oxide
For (3.5-4.5): 1.
4. a kind of bubble slag according to claim 1, which is characterized in that the granulated slag is metal granulated slag and non-metal powder
The mixture of slag；Wherein, the weight ratio of metal granulated slag and nonmetallic granulated slag is (5-8): 1.
5. a kind of bubble slag according to claim 4, which is characterized in that the metal powder cinder ladle contains following ingredient: potassium
0.6-1 parts, 0.2-0.5 parts of manganous oxide, 4-7 parts of iron powder and 2-4 parts of molybdenum sulfide.
6. a kind of bubble slag according to claim 4, which is characterized in that the non-metal powder cinder ladle is containing following ingredient: five
Aoxidize 1.5-3 parts of two phosphorus.
7. a kind of cement comprising bubble slag as claimed in any one of claims 1 to 6, which is characterized in that including following parts by weight
Raw material: 50-70 parts of clinker, 8-15 parts of gypsum, 15-25 parts of bubble slag, 3-5 parts of flyash, 6-10 parts of active addition.
8. a kind of bubble slag according to claim 1, which is characterized in that the weight ratio of the bubble slag and flyash is
(3-8): 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493914.9A CN110143772A (en) | 2019-06-08 | 2019-06-08 | A kind of formula of bubble slag and its cement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493914.9A CN110143772A (en) | 2019-06-08 | 2019-06-08 | A kind of formula of bubble slag and its cement |
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| Publication Number | Publication Date |
|---|---|
| CN110143772A true CN110143772A (en) | 2019-08-20 |
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| CN201910493914.9A Pending CN110143772A (en) | 2019-06-08 | 2019-06-08 | A kind of formula of bubble slag and its cement |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102351472A (en) * | 2011-07-08 | 2012-02-15 | 山西太钢不锈钢股份有限公司 | Method for preparing building standard brick with water granulated slag and fly ash |
| CN103274639A (en) * | 2013-05-07 | 2013-09-04 | 新疆德坤建材有限责任公司 | Composite insulation board cement-based formula |
| US20160272545A1 (en) * | 2015-03-20 | 2016-09-22 | Solidia Technologies, Inc. | Composite materials and bonding elements from carbonation of calcium silicate and methods thereof |
-
2019
- 2019-06-08 CN CN201910493914.9A patent/CN110143772A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102351472A (en) * | 2011-07-08 | 2012-02-15 | 山西太钢不锈钢股份有限公司 | Method for preparing building standard brick with water granulated slag and fly ash |
| CN103274639A (en) * | 2013-05-07 | 2013-09-04 | 新疆德坤建材有限责任公司 | Composite insulation board cement-based formula |
| US20160272545A1 (en) * | 2015-03-20 | 2016-09-22 | Solidia Technologies, Inc. | Composite materials and bonding elements from carbonation of calcium silicate and methods thereof |
Non-Patent Citations (2)
| Title |
|---|
| 刘邦军等: "高炉水渣的性能特征及应用途径", 《河南冶金》 * |
| 周洪燕: "《土木工程材料》", 31 August 2018, 北京理工大学出版社 * |
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Application publication date: 20190820 |