CN104817341A - High-strength lightweight building material and preparation method thereof - Google Patents
High-strength lightweight building material and preparation method thereof Download PDFInfo
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- CN104817341A CN104817341A CN201510271600.6A CN201510271600A CN104817341A CN 104817341 A CN104817341 A CN 104817341A CN 201510271600 A CN201510271600 A CN 201510271600A CN 104817341 A CN104817341 A CN 104817341A
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Abstract
The invention discloses a high-strength lightweight building material and a preparation method thereof. The high-strength lightweight building material is prepared from the following components in parts by weight: 10-30wt% of coal ash, 1-4wt% of an expanding agent, 5-15wt% of acetylene sludge, 6-10wt% of a reinforcing agent, 20-50wt% of quartz powder and 20-50wt% of aluminate cement. The preparation method comprises the steps of pretearting the raw materials and sintering under certain conditions to obtain the high-strength lightweight building material. The obtained building material is low in density and high in strength and conforms to the requirements of modern building materials; in addition, the purposes of energy consumption and emission reduction are achieved.
Description
Technical field
The present invention relates to material of construction preparing technical field, be specifically related to a kind of high-strength light building material with and preparation method thereof.
Background technology
Traditional building concrete makes gelling material with cement, and sand, masonry gather materials, and stir shaping according to a certain ratio with water.The advantages such as intensity is high although it has, good endurance, but it exists mostly, and weight is large, water-intake rate is high, thermal conductivity is large, intensity is not high, make that buildings load-bearing is large, the problem such as insulation and poor seismic behavior, what have also consumes the natural resourcess such as a large amount of clays, do not meet that modern architecture material is high-strength, shockproof, insulation, fire prevention, sound insulation, energy-conservation performance requriements, its range of application is restricted.
Light building material has insulation, sound insulation, advantage that energy-efficient performance is good, and light-weight building and goods affect the important influence factor of building energy conservation one, and the Developing Application of light-weight building is more and more subject to the most attention of countries in the world.The production of external most attention light material and application under construction, make every effort to the consumption significantly reducing the energy, thus reduce environmental pollution and Greenhouse effect.But light building material widely use the technological difficulties remained certain, material of construction intensity as low density, more lightweight is low, improve density with to increase after the strength of materials weight greatly, the problem such as heat-insulating property reduction, seriously constrain effective use of light building material.
Summary of the invention
Not enough for prior art, the invention provides the light building material and preparation method thereof of a kind of low density, high strength, the demand of products obtained therefrom compound modern architecture material, energy-saving and emission-reduction.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of high-strength light-weight building material, it is made up of flyash, carbide slag, silica powder, aluminate cement, swelling agent and toughener, and each Parts by Ingredients ratio is: flyash 10 ~ 30wt%, swelling agent 1 ~ 4wt%, carbide slag 5 ~ 15wt%, toughener 6 ~ 10wt%, silica powder 20 ~ 50wt%, aluminate cement 20 ~ 50wt%.
Described a kind of high-strength light-weight building material, its each constitutive material and weight part ratio thereof are: flyash 15wt%, swelling agent 3wt%, carbide slag 10wt%, toughener 7wt%, silica powder 35wt%, aluminate cement 30wt%.
Described swelling agent is one or more in sodium carbonate, calcium carbonate, Graphite Powder 99, and the order granularity of described swelling agent is 180 ~ 300 orders.
Described toughener is carbon fiber.
The fineness of described flyash is 180 ~ 500 orders, and the fineness of silica powder is 120 ~ 800 orders, and the fineness of described aluminate cement is 100 ~ 800 orders.
The preparation method of described a kind of high-strength light-weight building material, comprises the following steps:
A. mixed by the water of carbide slag with identical weight part, compound is adopted wet ball grinding, drying also crosses 30 mesh sieves, and after sieving, raw material carries out mist projection granulating, and crosses 80 mesh sieves;
B. step a gained carbide slag powder is mixed with all the other raw materials, after fully mixing, obtain compound;
C. step b gained compound is placed in fireproof die and fires, be warming up to 1150 ~ 1200 DEG C according to the temperature rise rate of 30 ~ 60 DEG C/min, and 20 ~ 40min is fired in insulation, is naturally down to room temperature and obtains finished product.
Compared with prior art, the beneficial effect that a kind of high-strength light-weight building of the present invention material possesses is: material of construction of the present invention is foaming and intumescing structure, and great majority are closed pore, void content is high, thermal conductivity is low, heat insulation and preservation effect is remarkable, effectively can reduce the energy consumption of summer air-conditioning and winter heating, have stronger energy-conserving and environment-protective effect; The present invention adds the working strength that toughener contributes to strongthener, and intensity is better than existing light building material; Material prepared by the present invention has that light weight, thermal conductivity are little, ultimate compression strength and tensile strength is large, acoustically effective is good, and acid-fast alkali-proof, Deliquescence-resistant, the physicochemical property that fire-proof high-temperature resistant, "dead" harm etc. are excellent.
Embodiment
Below in conjunction with specific embodiment, the present invention is described further.
Embodiment 1: a kind of high-strength light-weight building material, its each constitutive material and weight part ratio thereof are: flyash 15wt%, swelling agent 3wt%, carbide slag 10wt%, toughener 7wt%, silica powder 35wt%, aluminate cement 30wt%.
In the present embodiment, described swelling agent is the mixture of sodium carbonate, calcium carbonate, Graphite Powder 99, and the order granularity of described swelling agent is 180 ~ 300 orders; Described toughener is carbon fiber, and described carbon fiber is carbon fiber powder, and its fineness is 80 ~ 1000 orders; The fineness of described flyash is 180 ~ 500 orders, and the fineness of silica powder is 120 ~ 800 orders, and the fineness of described aluminate cement is 100 ~ 800 orders.
The preparation method of described a kind of high-strength light-weight building material, comprises the following steps:
A. mixed by the water of carbide slag with identical weight part, compound is adopted wet ball grinding, drying also crosses 30 mesh sieves, and after sieving, raw material carries out mist projection granulating, and crosses 80 mesh sieves;
B. step a gained carbide slag powder is mixed with flyash, silica powder, aluminate cement, swelling agent and toughener, after fully mixing, obtain compound;
C. step b gained compound is placed in fireproof die and fires, be warming up to 1150 DEG C according to the temperature rise rate of 30 DEG C/min, and 40min is fired in insulation, is naturally down to room temperature and obtains finished product.
The performance index of obtained product are: ultimate compression strength is 17.3Mpa, and thermal conductivity is 0.05W/mk, apparent porosity 16.9%, and volume density is 0.74g/cm
3.
Embodiment 2: a kind of high-strength light-weight building material, its each constitutive material and weight part ratio thereof are: flyash 30wt%, swelling agent 1wt%, carbide slag 5wt%, toughener 9wt%, silica powder 25wt%, aluminate cement 30wt%.
In the present embodiment, described swelling agent is sodium carbonate, and the order granularity of described swelling agent is 180 ~ 300 orders; Described toughener is carbon fiber; The fineness of described flyash is 180 ~ 500 orders, and the fineness of silica powder is 120 ~ 800 orders, and the fineness of described aluminate cement is 100 ~ 800 orders.
The preparation method of described a kind of high-strength light-weight building material, comprises the following steps:
A. mixed by the water of carbide slag with identical weight part, compound is adopted wet ball grinding, drying also crosses 30 mesh sieves, and after sieving, raw material carries out mist projection granulating, and crosses 80 mesh sieves;
B. step a gained carbide slag powder is mixed with all the other raw materials, after fully mixing, obtain compound;
C. step b gained compound is placed in fireproof die and fires, be warming up to 1200 DEG C according to the temperature rise rate of 60 DEG C/min, and 20min is fired in insulation, is naturally down to room temperature and obtains finished product.
The performance index of obtained product are: ultimate compression strength is 17.9Mpa, and thermal conductivity is 0.06W/mk, apparent porosity 16.2%, and volume density is 0.81g/cm
3.
Embodiment 3: a kind of high-strength light-weight building material, its each constitutive material and weight part ratio thereof are: flyash 10wt%, swelling agent 4wt%, carbide slag 15wt%, toughener 6wt%, silica powder 40wt%, aluminate cement 25wt%.
Described swelling agent is calcium carbonate, and the order granularity of described swelling agent is 180 ~ 300 orders; Described toughener is carbon fiber; The fineness of described flyash is 180 ~ 500 orders, and the fineness of silica powder is 120 ~ 800 orders, and the fineness of described aluminate cement is 100 ~ 800 orders.
The preparation method of described a kind of high-strength light-weight building material, comprises the following steps:
A. mixed by the water of carbide slag with identical weight part, compound is adopted wet ball grinding, drying also crosses 30 mesh sieves, and after sieving, raw material carries out mist projection granulating, and crosses 80 mesh sieves;
B. step a gained carbide slag powder is mixed with all the other raw materials, after fully mixing, obtain compound;
C. step b gained compound is placed in fireproof die and fires, be warming up to 1175 DEG C according to the temperature rise rate of 50 DEG C/min, and 30min is fired in insulation, is naturally down to room temperature and obtains finished product.
The performance index of obtained product are: ultimate compression strength is 17.6Mpa, and thermal conductivity is 0.04W/mk, apparent porosity 17.7%, and volume density is 0.69g/cm
3.
Embodiment 4: a kind of high-strength light-weight building material, its each constitutive material and weight part ratio thereof are: flyash 25wt%, swelling agent 2wt%, carbide slag 7wt%, toughener 8wt%, silica powder 32wt%, aluminate cement 26wt%.
Described swelling agent is the mixture of sodium carbonate and calcium carbonate, and the order granularity of described swelling agent is 180 ~ 300 orders; Described toughener is carbon fiber; The fineness of described flyash is 180 ~ 500 orders, and the fineness of silica powder is 120 ~ 800 orders, and the fineness of described aluminate cement is 100 ~ 800 orders.
The preparation method of described a kind of high-strength light-weight building material, comprises the following steps:
A. mixed by the water of carbide slag with identical weight part, compound is adopted wet ball grinding, drying also crosses 30 mesh sieves, and after sieving, raw material carries out mist projection granulating, and crosses 80 mesh sieves;
B. step a gained carbide slag powder is mixed with all the other raw materials, after fully mixing, obtain compound;
C. step b gained compound is placed in fireproof die and fires, be warming up to 1155 DEG C according to the temperature rise rate of 45 DEG C/min, and 35min is fired in insulation, is naturally down to room temperature and obtains finished product.
The performance index of obtained product are: ultimate compression strength is 18.4Mpa, and thermal conductivity is 0.05W/mk, apparent porosity 16.8%, and volume density is 0.76g/cm
3.
Claims (6)
1. a high-strength light-weight building material, it is characterized in that: be made up of flyash, carbide slag, silica powder, aluminate cement, swelling agent and toughener, each Parts by Ingredients ratio is: flyash 10 ~ 30wt%, swelling agent 1 ~ 4wt%, carbide slag 5 ~ 15wt%, toughener 6 ~ 10wt%, silica powder 20 ~ 50wt%, aluminate cement 20 ~ 50wt%.
2. a kind of high-strength light-weight building material according to claim 1, is characterized in that: its each constitutive material and weight part ratio thereof are: flyash 15wt%, swelling agent 3wt%, carbide slag 10wt%, toughener 7wt%, silica powder 35wt%, aluminate cement 30wt%.
3. a kind of high-strength light-weight building material according to claim 1 and 2, is characterized in that: described swelling agent is one or more in sodium carbonate, calcium carbonate, Graphite Powder 99, the order granularity of described swelling agent is 180 ~ 300 orders.
4. a kind of high-strength light-weight building material according to claim 1 and 2, is characterized in that: described toughener is carbon fiber.
5. a kind of high-strength light-weight building material according to claim 1 and 2, is characterized in that: the fineness of described flyash is 180 ~ 500 orders, and the fineness of silica powder is 120 ~ 800 orders, and the fineness of described aluminate cement is 100 ~ 800 orders.
6. the preparation method of a kind of high-strength light-weight building material described in claim 1 or 2, is characterized in that, comprise the following steps:
A. mixed by the water of carbide slag with identical weight part, compound is adopted wet ball grinding, drying also crosses 30 mesh sieves, and after sieving, raw material carries out mist projection granulating, and crosses 80 mesh sieves;
B. step a gained carbide slag powder is mixed with all the other raw materials, after fully mixing, obtain compound;
C. step b gained compound is placed in fireproof die and fires, be warming up to 1150 ~ 1200 DEG C according to the temperature rise rate of 30 ~ 60 DEG C/min, and 20 ~ 40min is fired in insulation, is naturally down to room temperature and obtains finished product.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188535A (en) * | 2017-06-19 | 2017-09-22 | 广东盖特奇新材料科技有限公司 | Porous structure material and its preparation method and application |
| CN107337459A (en) * | 2017-06-30 | 2017-11-10 | 长兴泓矿炉料有限公司 | A kind of fiber reinforced refractory material raw powder's production technology |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101244582A (en) * | 2008-01-21 | 2008-08-20 | 胡舜钦 | Novel technique for producing autoclaved air entrainment building block |
| CN103265305A (en) * | 2013-02-25 | 2013-08-28 | 陈廷武 | Concrete cement foaming insulation brick and manufacturing method thereof |
-
2015
- 2015-05-25 CN CN201510271600.6A patent/CN104817341A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101244582A (en) * | 2008-01-21 | 2008-08-20 | 胡舜钦 | Novel technique for producing autoclaved air entrainment building block |
| CN103265305A (en) * | 2013-02-25 | 2013-08-28 | 陈廷武 | Concrete cement foaming insulation brick and manufacturing method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188535A (en) * | 2017-06-19 | 2017-09-22 | 广东盖特奇新材料科技有限公司 | Porous structure material and its preparation method and application |
| CN107188535B (en) * | 2017-06-19 | 2019-08-16 | 广东盖特奇新材料科技有限公司 | Porous structure material and its preparation method and application |
| CN107337459A (en) * | 2017-06-30 | 2017-11-10 | 长兴泓矿炉料有限公司 | A kind of fiber reinforced refractory material raw powder's production technology |
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Application publication date: 20150805 |