CN107445525A - A kind of conducting concrete for mixing graphite tailing and its preparation method and application - Google Patents
A kind of conducting concrete for mixing graphite tailing and its preparation method and application Download PDFInfo
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- CN107445525A CN107445525A CN201710794093.3A CN201710794093A CN107445525A CN 107445525 A CN107445525 A CN 107445525A CN 201710794093 A CN201710794093 A CN 201710794093A CN 107445525 A CN107445525 A CN 107445525A
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- graphite tailing
- conducting concrete
- diethylenetriamines
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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
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- 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 discloses a kind of conducting concrete for mixing graphite tailing and its preparation method and application, the conducting concrete, includes according to the raw material of parts by weight:5 12 parts of levulic acid, 11 19 parts of graphite tailing, 5 12 parts of tetraethyl orthosilicate, 37 parts of diethylenetriamines, 55 65 parts of cement, 18 26 parts of styrene-acrylic emulsion, 28 36 parts of oyster shell whiting, 13 21 parts of lignin.Graphite tailing is crushed, mixed with levulic acid solution, heating stirring;Add lignin, heating stirring;Then add diethylenetriamines solution heating stirring and mixture A is made;By mixture A, tetraethyl orthosilicate, styrene-acrylic emulsion, oyster shell whiting, cement mixing, stir;Cast, vibrates, conserves and produce.The present invention is to conducting concrete strong with regard to that can obtain high intensity, electric conductivity after graphite tailing processing, and significant effect, technological process is simple, safety and environmental protection, non-secondary pollution, and production cost is low.
Description
Technical field
The present invention relates to building material technical field, specifically a kind of conducting concrete for mixing graphite tailing and its preparation side
Method and application.
Background technology
Conducting concrete is the conductive component material that certain content is added in normal concrete, by binder materials, conduction
The components such as material, dielectric aggregate and water, the novel concrete based composites formed according to certain match ratio condensation by mixing, have rule
Fixed electrical property and the new concrete of certain mechanical property.The characteristics of conducting concrete existing structure material, have again and lead
Electrical and alert and resourceful characteristic so that concrete serves not only as a kind of structural material and used, and in electrician, industrial electrostatic prevention, building
Heating, electric heater, power equipment earth work and great Civil Infrastructure Systems etc. play an important roll.
Graphite is the good inorganic material for being easier to obtain, it not only have good electric conductivity (phosphorus content is more than 80%,
Its resistivity is usually more than 0.5 Ω cm), thermal conductivity, it is also excellent with chemical property stabilization, acid and alkali-resistance, good in oxidation resistance etc.
Point.Therefore, existing conducting concrete generally use graphite makees conductive material.But powdered graphite is needed compared with high additive ability
Make concrete that there is stronger electric conductivity, and the intensity of concrete increases and rapid decrease with the volume of graphite powder.
And graphite tailing takes a large amount of earth's surfaces, soil is destroyed, landslide, mud-rock flow accident also easily occurs, it is existing
Research in technology for graphite tailing in conducting concrete is less, and some effects are poor, it is impossible to reach as graphite
Effect.
The content of the invention
It is an object of the invention to provide a kind of conducting concrete for mixing graphite tailing and its preparation method and application, with solution
The problem of being proposed in certainly above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme:
A kind of conducting concrete for mixing graphite tailing, includes according to the raw material of parts by weight:
Levulic acid 5-12 parts, graphite tailing 11-19 parts, tetraethyl orthosilicate 5-12 parts, diethylenetriamines 3-7 parts, water
Mud 55-65 parts, styrene-acrylic emulsion 18-26 parts, oyster shell whiting 28-36 parts, lignin 13-21 parts.
As the further scheme of the present invention:The conducting concrete for mixing graphite tailing, according to the raw material bag of parts by weight
Include:
Levulic acid 7-10 parts, graphite tailing 13-17 parts, tetraethyl orthosilicate 7-10 parts, diethylenetriamines 4-6 parts, water
Mud 58-62 parts, styrene-acrylic emulsion 20-24 parts, oyster shell whiting 30-34 parts, lignin 15-19 parts.
As the further scheme of the present invention:The conducting concrete for mixing graphite tailing, according to the raw material bag of parts by weight
Include:
8 parts of levulic acid, 15 parts of graphite tailing, 8 parts of tetraethyl orthosilicate, 5 parts of diethylenetriamines, 60 parts of cement, phenylpropyl alcohol
22 parts of emulsion, 32 parts of oyster shell whiting, 17 parts of lignin.
A kind of preparation method for the conducting concrete for mixing graphite tailing, comprises the following steps:
1) deionized water of 8-10 times of diethylenetriamines and its quality is mixed, diethylenetriamines solution is made;Will
The deionized water of 10-12 times of levulic acid and its quality mixes, and levulic acid solution is made;
2) graphite tailing crushed, cross 100-150 mesh sieves, then mixed with levulic acid solution, be heated to 65-70 DEG C simultaneously
Stir process 1.5-1.8h at such a temperature;Lignin is added, is warming up to 70-72 DEG C, and stir process 45- at such a temperature
50min;Then diethylenetriamines solution is added, and 35-40min is stirred at a temperature of 92-96 DEG C, mixture A is made;
3) by mixture A, tetraethyl orthosilicate, styrene-acrylic emulsion, oyster shell whiting, cement mixing, stir;Cast, vibrates, and supports
Protect and produce.
As the further scheme of the present invention:In step 2), mixing speed 150-180r/min.
As the further scheme of the present invention:In step 2), mixed with levulic acid solution, be heated to 68 DEG C.
As the further scheme of the present invention:In step 2), lignin is added, is warming up to 71 DEG C.
As the further scheme of the present invention:In step 2), diethylenetriamines solution is added, and at a temperature of 94 DEG C
Stir 35-40min.
As the further scheme of the present invention:In step 3), mixing speed 300-350r/min.
Another object of the present invention is to provide application of the conducting concrete in power system ground connection is built.
Compared with prior art, the beneficial effects of the invention are as follows:
The present invention graphite tailing is handled using levulic acid, diethylenetriamines after with other raw materials made from lead
Electric concrete, rupture strength and compression strength are far above the existing effect for directly using graphite tailing, while its resistivity is remote
It is much better than prior art, the present invention is without using graphite, to high intensity, electric conductivity are strong to be led with regard to that can obtain after graphite tailing processing
Electric concrete, the new direction recycled to graphite tailing is not only, and addition is moderate, significant effect, and be not required to
Expensive device, technological process is simple, and safety and environmental protection, non-secondary pollution, production cost is low, is more suitable for popularization and application.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of conducting concrete for mixing graphite tailing, including following raw material:
Levulic acid 5kg, graphite tailing 11kg, tetraethyl orthosilicate 5kg, diethylenetriamines 3kg, cement 55kg, phenylpropyl alcohol
Emulsion 18kg, oyster shell whiting 28kg, lignin 13kg.
8 times of deionized water of diethylenetriamines and its quality is mixed, diethylenetriamines solution is made;By levulinic
Acid mixes with the deionized water of 10 times of its quality, obtained levulic acid solution.Graphite tailing is crushed, crosses 100 mesh sieves, Ran Houyu
Levulic acid solution mixes, and is heated to 65 DEG C and at such a temperature with 150r/min mixing speed stir process 1.5h;Again plus
Enter lignin, be warming up to 70 DEG C, and at such a temperature with 150r/min mixing speed stir process 45min;Then two are added
Ethylenetriamine solution, and 35min is stirred with 150r/min mixing speed at a temperature of 92 DEG C, mixture A is made.Will be mixed
Compound A, tetraethyl orthosilicate, styrene-acrylic emulsion, oyster shell whiting, cement mixing, stirred with 300r/min mixing speed;Cast,
Vibrate, conserve and produce.
Embodiment 2
In the embodiment of the present invention, a kind of conducting concrete for mixing graphite tailing, including following raw material:
Levulic acid 12kg, graphite tailing 19kg, tetraethyl orthosilicate 12kg, diethylenetriamines 7kg, cement 65kg, benzene
Acrylic emulsion 26kg, oyster shell whiting 36kg, lignin 21kg.
10 times of deionized water of diethylenetriamines and its quality is mixed, diethylenetriamines solution is made;By acetyl
The deionized water of 12 times of propionic acid and its quality mixes, and levulic acid solution is made.Graphite tailing is crushed, crosses 150 mesh sieves, then
Mixed with levulic acid solution, be heated to 70 DEG C and at such a temperature with 180r/min mixing speed stir process 1.8h;Again
Lignin is added, is warming up to 72 DEG C, and at such a temperature with 180r/min mixing speed stir process 50min;Then add
Diethylenetriamines solution, and 40min is stirred with 180r/min mixing speed at a temperature of 96 DEG C, mixture A is made.Will
Mixture A, tetraethyl orthosilicate, styrene-acrylic emulsion, oyster shell whiting, cement mixing, stirred with 350r/min mixing speed;Pour
Note, vibrates, conserves and produce.
Embodiment 3
In the embodiment of the present invention, a kind of conducting concrete for mixing graphite tailing, including following raw material:
Levulic acid 7kg, graphite tailing 13kg, tetraethyl orthosilicate 7kg, diethylenetriamines 4kg, cement 58kg, phenylpropyl alcohol
Emulsion 20kg, oyster shell whiting 30kg, lignin 15kg.
9 times of deionized water of diethylenetriamines and its quality is mixed, diethylenetriamines solution is made;By levulinic
Acid mixes with the deionized water of 11 times of its quality, obtained levulic acid solution.Graphite tailing is crushed, crosses 150 mesh sieves, Ran Houyu
Levulic acid solution mixes, and is heated to 68 DEG C and at such a temperature with 180r/min mixing speed stir process 1.8h;Again plus
Enter lignin, be warming up to 71 DEG C, and at such a temperature with 180r/min mixing speed stir process 50min;Then two are added
Ethylenetriamine solution, and 40min is stirred with 180r/min mixing speed at a temperature of 94 DEG C, mixture A is made.Will be mixed
Compound A, tetraethyl orthosilicate, styrene-acrylic emulsion, oyster shell whiting, cement mixing, stirred with 350r/min mixing speed;Cast,
Vibrate, conserve and produce.
Embodiment 4
In the embodiment of the present invention, a kind of conducting concrete for mixing graphite tailing, including following raw material:
Levulic acid 10kg, graphite tailing 17kg, tetraethyl orthosilicate 10kg, diethylenetriamines 6kg, cement 62kg, benzene
Acrylic emulsion 24kg, oyster shell whiting 34kg, lignin 19kg.
9 times of deionized water of diethylenetriamines and its quality is mixed, diethylenetriamines solution is made;By levulinic
Acid mixes with the deionized water of 11 times of its quality, obtained levulic acid solution.Graphite tailing is crushed, crosses 150 mesh sieves, Ran Houyu
Levulic acid solution mixes, and is heated to 68 DEG C and at such a temperature with 180r/min mixing speed stir process 1.8h;Again plus
Enter lignin, be warming up to 71 DEG C, and at such a temperature with 180r/min mixing speed stir process 50min;Then two are added
Ethylenetriamine solution, and 40min is stirred with 180r/min mixing speed at a temperature of 94 DEG C, mixture A is made.Will be mixed
Compound A, tetraethyl orthosilicate, styrene-acrylic emulsion, oyster shell whiting, cement mixing, stirred with 350r/min mixing speed;Cast,
Vibrate, conserve and produce.
Embodiment 5
In the embodiment of the present invention, a kind of conducting concrete for mixing graphite tailing, including following raw material:
Levulic acid 8kg, graphite tailing 15kg, tetraethyl orthosilicate 8kg, diethylenetriamines 5kg, cement 60kg, phenylpropyl alcohol
Emulsion 22kg, oyster shell whiting 32kg, lignin 17kg.
9 times of deionized water of diethylenetriamines and its quality is mixed, diethylenetriamines solution is made;By levulinic
Acid mixes with the deionized water of 11 times of its quality, obtained levulic acid solution.Graphite tailing is crushed, crosses 150 mesh sieves, Ran Houyu
Levulic acid solution mixes, and is heated to 68 DEG C and at such a temperature with 180r/min mixing speed stir process 1.8h;Again plus
Enter lignin, be warming up to 71 DEG C, and at such a temperature with 180r/min mixing speed stir process 50min;Then two are added
Ethylenetriamine solution, and 40min is stirred with 180r/min mixing speed at a temperature of 94 DEG C, mixture A is made.Will be mixed
Compound A, tetraethyl orthosilicate, styrene-acrylic emulsion, oyster shell whiting, cement mixing, stirred with 350r/min mixing speed;Cast,
Vibrate, conserve and produce.
Comparative example 1
In addition to levulic acid is not contained, its material composition is consistent with embodiment 5 with preparation technology.
Comparative example 2
In addition to diethylenetriamines is not contained, its material composition is consistent with embodiment 5 with preparation technology.
Comparative example 3
Each raw material is directly mixed to prepare mixture A, by mixture A, tetraethyl orthosilicate, styrene-acrylic emulsion, oyster shell whiting, cement
Mixing, is stirred with 350r/min mixing speed;Cast, vibrates, conserves and produce.Its material composition is consistent with embodiment 5.
3 test specimens are respectively prepared for comparative example 1-3 and embodiment 1-5.Measurement result is as shown in table 1.
Table 1
As can be seen from the above table, conducting concrete resistance rate of the present invention is smaller than 0.5 Ω m, and rupture strength reaches
More than 11.2MPa is up to 18.9MPa, and compression strength reaches more than 35.8MPa, up to 57.6MPa.The present invention uses acetyl
Propionic acid, diethylenetriamines graphite tailing is handled after with other raw materials made from conducting concrete, rupture strength and anti-
Compressive Strength is far above the existing effect for directly using graphite tailing, while its resistivity is but far superior to comparative example 3.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (10)
1. a kind of conducting concrete for mixing graphite tailing, it is characterised in that include according to the raw material of parts by weight:
Levulic acid 5-12 parts, graphite tailing 11-19 parts, tetraethyl orthosilicate 5-12 parts, diethylenetriamines 3-7 parts, cement 55-
65 parts, styrene-acrylic emulsion 18-26 parts, oyster shell whiting 28-36 parts, lignin 13-21 parts.
2. the conducting concrete according to claim 1 for mixing graphite tailing, it is characterised in that according to the raw material bag of parts by weight
Include:
Levulic acid 7-10 parts, graphite tailing 13-17 parts, tetraethyl orthosilicate 7-10 parts, diethylenetriamines 4-6 parts, cement 58-
62 parts, styrene-acrylic emulsion 20-24 parts, oyster shell whiting 30-34 parts, lignin 15-19 parts.
3. the conducting concrete according to claim 1 for mixing graphite tailing, it is characterised in that according to the raw material bag of parts by weight
Include:
8 parts of levulic acid, 15 parts of graphite tailing, 8 parts of tetraethyl orthosilicate, 5 parts of diethylenetriamines, 60 parts of cement, styrene-acrylic emulsion
22 parts, 32 parts of oyster shell whiting, 17 parts of lignin.
A kind of 4. preparation method of conducting concrete for mixing graphite tailing as described in claim 1-3 is any, it is characterised in that
Comprise the following steps:
1) deionized water of 8-10 times of diethylenetriamines and its quality is mixed, diethylenetriamines solution is made;By acetyl
The deionized water of 10-12 times of propionic acid and its quality mixes, and levulic acid solution is made;
2) graphite tailing crushed, cross 100-150 mesh sieves, then mixed with levulic acid solution, be heated to 65-70 DEG C and at this
At a temperature of stir process 1.5-1.8h;Lignin is added, is warming up to 70-72 DEG C, and stir process 45- at such a temperature
50min;Then diethylenetriamines solution is added, and 35-40min is stirred at a temperature of 92-96 DEG C, mixture A is made;
3) by mixture A, tetraethyl orthosilicate, styrene-acrylic emulsion, oyster shell whiting, cement mixing, stir;Cast, vibrates, maintenance is
.
5. the preparation method of the conducting concrete according to claim 4 for mixing graphite tailing, it is characterised in that step 2)
In, mixing speed 150-180r/min.
6. the preparation method of the conducting concrete according to claim 4 for mixing graphite tailing, it is characterised in that step 2)
In, mixed with levulic acid solution, be heated to 68 DEG C.
7. the preparation method of the conducting concrete according to claim 4 for mixing graphite tailing, it is characterised in that step 2)
In, lignin is added, is warming up to 71 DEG C.
8. the preparation method of the conducting concrete according to claim 4 for mixing graphite tailing, it is characterised in that step 2)
In, diethylenetriamines solution is added, and 35-40min is stirred at a temperature of 94 DEG C.
9. the preparation method of the conducting concrete according to claim 4 for mixing graphite tailing, it is characterised in that step 3)
In, mixing speed 300-350r/min.
10. application of the conducting concrete in power system ground connection is built as described in claim 1-3 is any.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107445526A (en) * | 2017-09-11 | 2017-12-08 | 上海鸣与信息科技发展有限公司 | A kind of conducting concrete of high intensity and its preparation method and application |
CN107540287A (en) * | 2017-09-11 | 2018-01-05 | 上海鸣与信息科技发展有限公司 | It is a kind of using conducting concrete of graphite tailing and its preparation method and application |
CN109574601A (en) * | 2019-02-03 | 2019-04-05 | 黑龙江工业学院 | A kind of building Graphite concrete and preparation method thereof |
CN110482963A (en) * | 2019-09-18 | 2019-11-22 | 黑龙江大学 | A kind of high-strength cement base composite photocatalyst material and preparation method thereof |
CN112441791A (en) * | 2020-07-23 | 2021-03-05 | 南京航空航天大学 | Novel conductive polymer composite material and preparation method thereof |
CN114057437A (en) * | 2020-08-07 | 2022-02-18 | 五矿勘查开发有限公司 | Electric heating and heat preservation integrated plate and preparation method thereof |
-
2017
- 2017-09-06 CN CN201710794093.3A patent/CN107445525A/en active Pending
Non-Patent Citations (1)
Title |
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张大双: "石墨尾矿混凝土受力和导电性能研究", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107445526A (en) * | 2017-09-11 | 2017-12-08 | 上海鸣与信息科技发展有限公司 | A kind of conducting concrete of high intensity and its preparation method and application |
CN107540287A (en) * | 2017-09-11 | 2018-01-05 | 上海鸣与信息科技发展有限公司 | It is a kind of using conducting concrete of graphite tailing and its preparation method and application |
CN109574601A (en) * | 2019-02-03 | 2019-04-05 | 黑龙江工业学院 | A kind of building Graphite concrete and preparation method thereof |
CN109574601B (en) * | 2019-02-03 | 2021-09-24 | 黑龙江工业学院 | Building graphite concrete and preparation method thereof |
CN110482963A (en) * | 2019-09-18 | 2019-11-22 | 黑龙江大学 | A kind of high-strength cement base composite photocatalyst material and preparation method thereof |
CN112441791A (en) * | 2020-07-23 | 2021-03-05 | 南京航空航天大学 | Novel conductive polymer composite material and preparation method thereof |
CN114057437A (en) * | 2020-08-07 | 2022-02-18 | 五矿勘查开发有限公司 | Electric heating and heat preservation integrated plate and preparation method thereof |
CN114057437B (en) * | 2020-08-07 | 2022-12-30 | 五矿勘查开发有限公司 | Electric heating and heat preservation integrated plate and preparation method thereof |
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