CN106747237A - A kind of novel corrosion-resistant corrosion concrete material and preparation method thereof - Google Patents
A kind of novel corrosion-resistant corrosion concrete material and preparation method thereof Download PDFInfo
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- CN106747237A CN106747237A CN201510864705.2A CN201510864705A CN106747237A CN 106747237 A CN106747237 A CN 106747237A CN 201510864705 A CN201510864705 A CN 201510864705A CN 106747237 A CN106747237 A CN 106747237A
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Abstract
The invention discloses a kind of novel corrosion-resistant corrosion concrete material, it includes following components by weight：90~110 parts of caustic dolomite powder；100~300 parts of sand；100~500 parts of rubble；2~5 parts of additive；Baume degrees is 25~30 100~200 parts of Adlerika；Wherein, the additive is the mixing material of phosphoric acid and citric acid, and phosphoric acid is 1 with the weight ratio of citric acid：0.8~2.3.The preparation method of novel corrosion-resistant corrosion concrete material as described above includes step：S101, by the caustic dolomite powder, sand, rubble and additive according to the components by weight percent stir mix；S102, by magnesium sulfate solid dissolving in water, formed Adlerika；S103, Adlerika is added in the mixing material that step S101 is obtained, be uniformly mixed, obtain novel corrosion-resistant corrosion concrete material.
Description
Technical field
The invention belongs to building material technical field, more particularly to a kind of novel corrosion-resistant corrosion concrete material and
Its preparation method.
Background technology
Magnesium cement is a kind of special kinds cement, because it was sent out in 1867 by Frenchman's Sorel (Sorel)
Bright, so also known as magnesia oxychloride cement.Meanwhile, it with magnesia as main component, people traditionally also known as
It is magnesia cement.In many enterprises, people according to it with two kinds of magnesium compounds of magnesia and magnesium chloride be main
The characteristics of raw material, double magnesium cement are simply referred to as again.Magnesium cement be with the light burnt powder obtained by calcined magnesite stone or
Ashes (main component is MgO) obtained by low temperature calcination dolomite is cementing agent, with magnesium chloride hexahydrate
(MgCl2·6H2) etc. O water-soluble magnesium salt is blender, adds water, the light-burning magnesium powder and six water for being formed
Magnesium chloride as primary raw material, therefore, then generally, magnesium cement refers to just magnesia oxychloride cement.
The hardenite main component that magnesium cement is formed is 5Mg (OH)2·MgCl2·8H2O and
3Mg(OH)2·MgCl2·8H2Magnesia-magnesium chloride that O crystalline phases are constituted-water ternary compound crystalline phase double salt,
In addition, some Mg (OH)2Gel.Magnesium cement can be hardened quickly at normal temperatures and pressures, shape
Into the fragility artificial stone very higher than larger and hardness.Using its this hardening gelling, can be processed into
Various construction materials and ornament materials, have broad application prospects.At present, architectural engineering it
In the magnesium cement generally used all mainly with magnesia and magnesium chloride as main material is prepared from, but
It is that this cement can corrode metal in the halogen that gets damp, surface is easily caused for secondary decoration and is come off,
And this cement water resistance is very poor, and the life-span is shorter.Therefore to magnesia and magnesium chloride as main material system
Standby magnesia oxychloride cement is improved, to adapt to requirement of the modern construction engineering for magnesium cement.
The content of the invention
In order to solve the problems, such as prior art, the invention provides a kind of novel corrosion-resistant corrosion concrete material
Material and preparation method thereof, the concrete material has good corrosion resistance and water-resistance.
For achieving the above object, present invention employs following technical scheme：
A kind of novel corrosion-resistant corrosion concrete material, it includes following components by weight：Causticity white clouds
90~110 parts of stone flour；100~300 parts of sand；100~500 parts of rubble；2~5 parts of additive；Baume degrees is
100~200 parts of 25~30 Adlerika；Wherein, the additive is the mixing material of phosphoric acid and citric acid,
Phosphoric acid is 1 with the weight ratio of citric acid：0.8~2.3.
Preferably, the number of the Adlerika is 170~190 parts.
Preferably, the number of the additive is 3 parts.
Preferably, the number of the rubble is 300~400 parts.
Preferably, the particle diameter of the rubble is 1~3cm.
Preferably, in the additive, phosphoric acid is 1 with the weight ratio of citric acid：1.2.
The preparation method of novel corrosion-resistant corrosion concrete material as described above includes step：S101, general are described
Caustic dolomite powder, sand, rubble and additive are stirred according to the components by weight percent and mixed；S102, by sulphur
Sour magnesium solid dissolving forms Adlerika in water；S103, Adlerika is added to step S101
In the mixing material for obtaining, it is uniformly mixed, obtains novel corrosion-resistant corrosion concrete material.
Further, the method also includes the step of preparing the additive：First by the phosphoric acid and lemon
Acid mixing, adds water to remix to form slurry；Then will be milled after the slurry drying, obtained described additional
Agent.
Novel corrosion-resistant corrosion concrete material provided in an embodiment of the present invention and preparation method thereof, the concrete material
Material mainly includes caustic dolomite powder and Adlerika, is MgOMgSO4·H2O ternarys gelling system is constituted
Magnesian, there is better corrosion resistance and water-resistance compared to magnesia oxychloride cement, and wherein
Add phosphoric acid and citric acid as additive, further increase the decay resistance of the concrete material, should
Concrete material, almost without corrosivity, can add reinforcing bar in concrete on a large scale to reinforcing bar, be made
Armored concrete.Intensity is high after other concrete material hardening, easy to use.
Brief description of the drawings
Fig. 1 is the process chart of the preparation method of the novel corrosion-resistant corrosion concrete material of the embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings to of the invention
Specific embodiment is described in detail.The example of these preferred embodiments is illustrated in the accompanying drawings.
What the embodiments of the present invention for describing shown in accompanying drawing and with reference to the accompanying drawings were merely exemplary, and the present invention
It is not limited to these implementation methods.
The embodiment of the present invention provide firstly a kind of novel corrosion-resistant corrosion concrete material, and it is included by weight
The following components of calculation：90~110 parts of caustic dolomite powder；100~300 parts of sand；100~500 parts of rubble；
2~5 parts of additive；Baume degrees is 25~30 100~200 parts of Adlerika；Wherein, the additive
It is phosphoric acid and the mixing material of citric acid, phosphoric acid is 1 with the weight ratio of citric acid：0.8~2.3.
Further, the embodiment of the present invention additionally provides novel corrosion-resistant corrosion concrete material as described above
Preparation method.Specifically, refering to Fig. 1, the method comprising the steps of：S101, by the caustic dolomite powder,
Sand, rubble and additive are stirred according to the components by weight percent and mixed.S102, by magnesium sulfate solid dissolving in
In water, Adlerika is formed.S103, Adlerika is added to the mixing material that step S101 is obtained
In, it is uniformly mixed, obtain novel corrosion-resistant corrosion concrete material.
Wherein, the additive is prepared according to following technique：The phosphoric acid is mixed with citric acid first,
Water is added to remix to form slurry；Then will be milled after the slurry drying, obtain the additive.
Embodiment 1
Using caustic dolomite powder 100kg, sand 150kg, rubble 200kg (particle diameter is between 1~3cm),
(phosphoric acid is 1 according to weight ratio with citric acid to additive 2kg：0.8 ratio mixing), after being well mixed, plus
The Baume degrees for entering 170kg is 25 Adlerika, is well mixed again, obtains novel corrosion-resistant corrosion coagulation
Soil material.
By novel corrosion-resistant corrosion concrete material injection experimentses mould obtained above, the demoulding after 24h, maintenance
After 28 days, test obtains its more than compression strength 43MPa.Phosphoric acid and citric acid are wherein added as additive,
The concrete material of acquisition, almost without corrosivity, can add reinforcing bar in concrete on a large scale to reinforcing bar,
It is made armored concrete.
Embodiment 2
Using caustic dolomite powder 100kg, sand 100kg, rubble 500kg (particle diameter is between 1~3cm),
(phosphoric acid is 1 according to weight ratio with citric acid to additive 5kg：1.2 ratio mixing), after being well mixed, plus
The Baume degrees for entering 200kg is 28 Adlerika, is well mixed again, obtains novel corrosion-resistant corrosion coagulation
Soil material.
By novel corrosion-resistant corrosion concrete material injection experimentses mould obtained above, the demoulding after 24h, maintenance
After 28 days, test obtains its more than compression strength 39MPa.
Embodiment 3
Using caustic dolomite powder 90kg, sand 250kg, rubble 300kg (particle diameter is between 1~3cm),
(phosphoric acid is 1 according to weight ratio with citric acid to additive 3kg：2.3 ratio mixing), after being well mixed, plus
The Baume degrees for entering 190kg is 30 Adlerika, is well mixed again, obtains novel corrosion-resistant corrosion coagulation
Soil material.
By novel corrosion-resistant corrosion concrete material injection experimentses mould obtained above, the demoulding after 24h, maintenance
After 28 days, test obtains its more than compression strength 39MPa.
Embodiment 4
Using caustic dolomite powder 110kg, sand 300kg, rubble 100kg (particle diameter is between 1~3cm),
(phosphoric acid is 1 according to weight ratio with citric acid to additive 3kg：1.2 ratio mixing), after being well mixed, plus
The Baume degrees for entering 100kg is 28 Adlerika, is well mixed again, obtains novel corrosion-resistant corrosion coagulation
Soil material.
By novel corrosion-resistant corrosion concrete material injection experimentses mould obtained above, the demoulding after 24h, maintenance
After 28 days, test obtains its more than compression strength 44MPa.
In sum, novel corrosion-resistant corrosion concrete material provided in an embodiment of the present invention and preparation method thereof,
The concrete material mainly includes caustic dolomite powder and Adlerika, is MgOMgSO4·H2O ternary glue
The magnesian of solidifying system composition, has better corrosion resistance and water-resistance compared to magnesia oxychloride cement,
And wherein add phosphoric acid and citric acid as additive, further increase the corrosion-resistant of the concrete material
Performance, the concrete material, almost without corrosivity, can add steel in concrete on a large scale to reinforcing bar
Muscle, is made armored concrete.Intensity is high after other concrete material hardening, easy to use.
In the vast west area of China and coastal area, there is the salt of large area due to special location distribution
Stain soil, the salinity of salinized soil mainly has chloride and sulfate type, highway of these salts substances to this area
Bridges and culverts has obvious corrosivity with house foundation etc..Novel corrosion-resistant corrosion concrete provided in an embodiment of the present invention
Material, applies in these areas, and its advantage becomes apparent.
The above is only the specific embodiment of the application, it is noted that common for the art
For technical staff, on the premise of the application principle is not departed from, some improvements and modifications can also be made,
These improvements and modifications also should be regarded as the protection domain of the application.
Claims (8)
1. a kind of novel corrosion-resistant corrosion concrete material, it is characterised in that including by weight with the following group
Point：
90~110 parts of caustic dolomite powder；
100~300 parts of sand；
100~500 parts of rubble；
2~5 parts of additive；
Baume degrees is 25~30 100~200 parts of Adlerika；
Wherein, the additive is the mixing material of phosphoric acid and citric acid, and phosphoric acid is 1 with the weight ratio of citric acid：
0.8~2.3.
2. novel corrosion-resistant corrosion concrete material according to claim 1, it is characterised in that the sulphur
The number of sour magnesium solution is 170~190 parts.
3. novel corrosion-resistant corrosion concrete material according to claim 1, it is characterised in that described outer
Plus the number of agent is 3 parts.
4. novel corrosion-resistant corrosion concrete material according to claim 1, it is characterised in that described broken
The number of stone is 300~400 parts.
5. novel corrosion-resistant corrosion concrete material according to claim 1, it is characterised in that described broken
The particle diameter of stone is 1~3cm.
6. novel corrosion-resistant corrosion concrete material according to claim 1, it is characterised in that described outer
Plus in agent, phosphoric acid is 1 with the weight ratio of citric acid：1.2.
7. the preparation method of a kind of novel corrosion-resistant corrosion concrete material as described in claim 1-6 is any,
Characterized in that, the method comprising the steps of：
S101, the caustic dolomite powder, sand, rubble and additive are stirred according to the components by weight percent
Mixing；
S102, by magnesium sulfate solid dissolving in water, formed Adlerika；
S103, Adlerika is added in the mixing material that step S101 is obtained, is uniformly mixed,
Obtain novel corrosion-resistant corrosion concrete material.
8. the preparation method of novel corrosion-resistant corrosion concrete material according to claim 7, its feature exists
In the method also includes the step of preparing the additive：The phosphoric acid is mixed with citric acid first, plus
Enter water to remix to form slurry；Then will be milled after the slurry drying, obtain the additive.
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Citations (7)
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|---|---|---|---|---|
| CN87103530A (en) * | 1987-05-12 | 1987-11-25 | 中国科学院青海盐湖研究所 | Anticorrosive magnesia cement |
| KR101014868B1 (en) * | 2009-11-26 | 2011-02-15 | 전남대학교산학협력단 | Alkali-activated binder including magnesium with no cement, mortar, concrete, and concrete products using the same |
| CN102010175A (en) * | 2010-11-12 | 2011-04-13 | 中国科学院青海盐湖研究院 | Baking-free and steaming-free brick and building block and preparation method thereof |
| CN102060490A (en) * | 2010-11-22 | 2011-05-18 | 中国科学院青海盐湖研究所 | Unburned and non-autoclaved caustic calcined dolomite brick and building block |
| CN102924038A (en) * | 2012-12-04 | 2013-02-13 | 中国科学院青海盐湖研究所 | Modified magnesium oxy-sulfur cement |
| CN103288415A (en) * | 2013-06-04 | 2013-09-11 | 北京航空航天大学 | Anti-corrosion concrete applied to sulfate bittern environment as well as preparation and construction technology thereof |
| CN104529377A (en) * | 2014-12-03 | 2015-04-22 | 中国科学院青海盐湖研究所 | Water-resistant magnesium oxychloride cement, preparation method and application thereof |
-
2015
- 2015-11-30 CN CN201510864705.2A patent/CN106747237A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103530A (en) * | 1987-05-12 | 1987-11-25 | 中国科学院青海盐湖研究所 | Anticorrosive magnesia cement |
| KR101014868B1 (en) * | 2009-11-26 | 2011-02-15 | 전남대학교산학협력단 | Alkali-activated binder including magnesium with no cement, mortar, concrete, and concrete products using the same |
| CN102010175A (en) * | 2010-11-12 | 2011-04-13 | 中国科学院青海盐湖研究院 | Baking-free and steaming-free brick and building block and preparation method thereof |
| CN102060490A (en) * | 2010-11-22 | 2011-05-18 | 中国科学院青海盐湖研究所 | Unburned and non-autoclaved caustic calcined dolomite brick and building block |
| CN102924038A (en) * | 2012-12-04 | 2013-02-13 | 中国科学院青海盐湖研究所 | Modified magnesium oxy-sulfur cement |
| CN103288415A (en) * | 2013-06-04 | 2013-09-11 | 北京航空航天大学 | Anti-corrosion concrete applied to sulfate bittern environment as well as preparation and construction technology thereof |
| CN104529377A (en) * | 2014-12-03 | 2015-04-22 | 中国科学院青海盐湖研究所 | Water-resistant magnesium oxychloride cement, preparation method and application thereof |
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