CN104591642A - Preparation method of heat insulation anti-noise foamed cement products - Google Patents

Preparation method of heat insulation anti-noise foamed cement products Download PDF

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Publication number
CN104591642A
CN104591642A CN201410808429.3A CN201410808429A CN104591642A CN 104591642 A CN104591642 A CN 104591642A CN 201410808429 A CN201410808429 A CN 201410808429A CN 104591642 A CN104591642 A CN 104591642A
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solution
preparation
ferrite
foaming
raw material
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CN104591642B (en
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马瑞廷
苏辉
位灿
蒋丹
赵海涛
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Shenyang Ligong University
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Shenyang Ligong University
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    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

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Abstract

The invention relates to a preparation method of heat insulation anti-noise foamed cement products. The method takes ordinary Portland cement as base cementing material, coal gangue and nano nickel-zinc ferrite as doping material and straw an additive; the method comprises the steps of preparing a foaming agent water solution by adopting a physical foaming method, evenly mixing the raw materials, then putting the mixture into a foaming machine, foaming and casting to obtain the products. After the technical scheme is adopted, the foamed cement products which are light in weight, high in strength, good in fire-proof property and heat insulation performance and anti-noise can be provided; the foamed cement products can be widely applied to the building industry and related industries, and are capable of effectively improving the fire-proof property and the noise resistance of the inside wall and the outside wall of a building.

Description

The preparation method of a kind of insulation and antinoise foam cement product
Technical field
The present invention relates to a kind of foam cement preparation method technical field with light-weight refractory heat-insulating property, be specifically related to buildings external and internal wall and use.
Background technology
China's architecture exterior wall insulating materials about 90% is organic insulation material, and resistivity against fire is poor, does not reach the requirement of fire-fighting; Electromagnetic pollution has simultaneously become large public hazards, and day by day disturbs the orthobiosis of people.The foam cement product of the present invention's development has the superperformance of light thermal insulation fire-resistant and electromagnetism interference, can be good at solving the problem, can be used as lagging material for buildings external and internal wall.
To in the research and practice process of this method, the present inventor finds: nano nickel Zn ferrite can electromagnetic wave absorption, it is changed into heat energy, has stronger noise resistance performance.
Summary of the invention
The invention provides a kind of preparation method of foam cement product with lightweight, fire-resistant, noise resistance jamming performance.
The preparation method of a kind of insulation of the present invention and antinoise foam cement product, comprises the steps:
Silicate cement, coal gangue, stalk and nano nickel Zn ferrite join in mixer by step 1. in order successively, batch mixing at least 4h obtains mixing raw material, and mixing raw material is silicate cement 55 ~ 65% by mass percentage, coal gangue 25 ~ 35%, stalk 5 ~ 10%, nano nickel Zn ferrite 1 ~ 5%;
The raw material mixed is put in foaming machine by step 2., adds foaming agent water solution, foaming 12h-24h, producing foamed body;
Foam is cast into goods by step 3. in a mold.
Described foaming agent water solution is the sherwood oil aqueous solution, the hexanaphthene aqueous solution or hydrogen peroxide, the mass ratio of sherwood oil aqueous solution PetroChina Company Limited.'s ether and water is 1:15, the mass ratio of hexanaphthene aqueous solution cyclohexane and water is 1:15, the mass concentration of hydrogen peroxide is that 30%, 30g mixing raw material adds 20mL foaming agent water solution.
Described nano nickel Zn ferrite, preparation method is as follows:
Step 1), take 14g ~ 21g citric acid, be dissolved in 60mL ~ 90mL distilled water, be heated to 80 DEG C, temperature constant magnetic stirring 15 min ~ 30min, ultrasonic disperse 15min ~ 30min, obtain citric acid solution;
Step 2), according to Ni 2+: Zn 2+: Fe 3+mol ratio is 0.5:0.5:2.0, and measuring 30mL ~ 60mL concentration is respectively 0.1856 molL -1ni (NO 3) 2solution, 30mL ~ 60mL concentration is 0.1856 molL -1zn (NO 3) 2solution and 30mL ~ 60mL concentration are 0.7424molL -1fe (NO 3) 3solution, puts into beaker and adds water and make 500mL metal ion solution;
Step 3), citric acid solution is joined in 500mL metal ion solution, ultrasonic disperse 15min ~ 30min, then constant temperature stirs 15min ~ 30min, slowly drip ammoniacal liquor regulator solution pH value in the process, stop dripping when solution ph reaches 7;
Step 4), beaker is put into heating jacket transpiring moisture, when liquor capacity is 1/3 of original volume, is poured in crucible and continues to be heated to occur self-propagating combustion phenomenon, burning terminates to generate the loose meal expanded;
Step 5), meal is put into chamber type electric resistance furnace, at 600 DEG C, is incubated 2h, nano nickel Zn ferrite (Ni 0.5zn 0.5fe 2o 4).
Adopt above-mentioned technical scheme, the present invention has the following advantages:
1. product high insulating effect of the present invention, owing to adding nickel-zinc ferrite absorbing material in raw material, can be converted into heat energy by electromagnetic wave energy, can improve skin heat insulation effect significantly.
2. product refractory ability of the present invention is good, belongs to the non-flammable lagging material of A level, meets " covil construction outer heat preservation system and decoration of exterior wall fire prevention temporary provisions " requirement to lagging material completely.
3. product anti-pressure ability of the present invention is strong, owing to have employed ordinary Portland cement as matrix, can improve body of wall anti-pressure ability significantly.
Accompanying drawing explanation
Be illustrated in figure 1 the process flow sheet of foam cement product;
Be illustrated in figure 2 the XRD spectra of nano nickel Zn ferrite;
Be illustrated in figure 3 the TEM photo of nano nickel Zn ferrite.
Embodiment
Adopt the performance of " People's Republic of China's building industry industry standard (JG/T 266-2011) " test foam cement product.
Embodiment mesosilicic acid salt cement, coal gangue, stalk, the sherwood oil aqueous solution, the hexanaphthene aqueous solution, hydrogen peroxide, citric acid and ammoniacal liquor are commercial products.
embodiment 1
The preparation method of a kind of insulation of the present invention and antinoise foam cement product, comprises the steps: as shown in Figure 1,
Step 1, with 425# ordinary Portland cement, flyash, nano nickel Zn ferrite and stalk are raw material, and its mass percent is respectively 57%, 35%, 1%, 7%;
Step 2., the raw material prepared is put into mixer, put into after batch mixing 4h in foaming machine, sherwood oil and water are mixed and made into foaming agent water solution by 1:15, join in foaming machine the 12h that foams;
Step 3., foam is cast into goods in a mold, natural curing is shaping.
Nano nickel Zn ferrite in raw material is self-control, and detailed preparation method is as follows: as shown in Figures 2 and 3,
Step 1), take 14g citric acid, be dissolved in 60mL distilled water, be heated to 80 DEG C, temperature constant magnetic stirring 15 min, ultrasonic disperse 15min, obtain citric acid solution;
Step 2), according to Ni 2+: Zn 2+: Fe 3+mol ratio is 0.5:0.5:2.0, and measuring 30mL concentration is respectively 0.1856 molL -1ni (NO 3) 2solution, 30mL concentration is 0.1856 molL -1zn (NO 3) 2solution and 30mL concentration are 0.7424molL -1fe (NO 3) 3solution, puts into beaker and adds water and make 500mL metal ion solution;
Step 3), citric acid solution is joined in 500mL metal ion solution, ultrasonic disperse 15min, then constant temperature stirs 15min, slowly drip ammoniacal liquor regulator solution pH value in the process, stop dripping when solution ph reaches 7;
Step 4), beaker is put into heating jacket transpiring moisture, when liquor capacity is 1/3 of original volume, is poured in crucible and continues to be heated to occur self-propagating combustion phenomenon, burning terminates to generate the loose meal expanded;
Step 5), meal is put into chamber type electric resistance furnace, at 600 DEG C, is incubated 2h, nano nickel Zn ferrite (Ni 0.5zn 0.5fe 2o 4).
The performance test results of prepared foam cement product is: anti-intensity is 5.89Mpa, and dry density is 198Kg/m 3, the maximum value of microwave absorbing property is-5.4dB.
embodiment 2
The preparation method of a kind of insulation of the present invention and antinoise foam cement product, comprises the steps:
Step 1., with 425# ordinary Portland cement, flyash, nano nickel Zn ferrite and stalk are raw material, and its mass percent is respectively 65%, 25%, 3%, 7%.
Step 2., the raw material prepared is put into mixer, puts into after batch mixing 5h in foaming machine, sherwood oil and water are mixed and made into foaming agent water solution by 1:20, join in foaming machine the 20h that foams,
Step 3., foam is cast into goods in a mold, natural curing is shaping.
Nano nickel Zn ferrite in raw material is self-control, and detailed preparation method is as follows:
Step 1), take 21g citric acid, be dissolved in 90mL distilled water, be heated to 80 DEG C, temperature constant magnetic stirring 30min, ultrasonic disperse 30min, obtain citric acid solution;
Step 2), according to Ni 2+: Zn 2+: Fe 3+mol ratio is 0.5:0.5:2.0, and measuring 60mL concentration is respectively 0.1856 molL -1ni (NO 3) 2solution, 60mL concentration is 0.1856 molL -1zn (NO 3) 2solution and 60mL concentration are 0.7424molL -1fe (NO 3) 3solution, puts into beaker and adds water and make 500mL metal ion solution;
Step 3), citric acid solution is joined in 500mL metal ion solution, ultrasonic disperse 30min, then constant temperature stirs 30min, slowly drip ammoniacal liquor regulator solution pH value in the process, stop dripping when solution ph reaches 7;
Step 4), beaker is put into heating jacket transpiring moisture, when liquor capacity is 1/3 of original volume, is poured in crucible and continues to be heated to occur self-propagating combustion phenomenon, burning terminates to generate the loose meal expanded;
Step 5), meal is put into chamber type electric resistance furnace, at 600 DEG C, is incubated 2h, nano nickel Zn ferrite (Ni 0.5zn 0.5fe 2o 4).
The performance test results of prepared foam cement product is: anti-intensity is 6.02Mpa, and dry density is 192Kg/m 3, the maximum value of microwave absorbing property is-6.6dB.
embodiment 3
The preparation method of a kind of insulation of the present invention and antinoise foam cement product, comprises the steps:
Step 1., with 425# ordinary Portland cement, flyash, nano nickel Zn ferrite and stalk are raw material, and its mass percent is respectively 65%, 27%, 3%, 5%;
Step 2, the raw material prepared is put into mixer, put into after batch mixing 6h in foaming machine, hexanaphthene and water are mixed and made into foaming agent water solution by 1:15, join in foaming machine the 15h that foams;
Step 3., foam is cast into goods in a mold, natural curing is shaping.
Nano nickel Zn ferrite in raw material is self-control, and detailed preparation method is as follows:
Step 1), take 17g citric acid, be dissolved in 70mL distilled water, be heated to 80 DEG C, temperature constant magnetic stirring 20min, ultrasonic disperse 20min, obtain citric acid solution;
Step 2), according to Ni 2+: Zn 2+: Fe 3+mol ratio is 0.5:0.5:2.0, and measuring 20mL concentration is respectively 0.1856 molL -1ni (NO 3) 2solution, 40mL concentration is 0.1856 molL -1zn (NO 3) 2solution and 40mL concentration are 0.7424molL -1fe (NO 3) 3solution, puts into beaker and adds water and make 500mL metal ion solution;
Step 3), citric acid solution is joined in 500mL metal ion solution, ultrasonic disperse 20min, then constant temperature stirs 20min, slowly drip ammoniacal liquor regulator solution pH value in the process, stop dripping when solution ph reaches 7;
Step 4), beaker is put into heating jacket transpiring moisture, when liquor capacity is 1/3 of original volume, is poured in crucible and continues to be heated to occur self-propagating combustion phenomenon, burning terminates to generate the loose meal expanded;
Step 5), meal is put into chamber type electric resistance furnace, at 600 DEG C, is incubated 2h, nano nickel Zn ferrite (Ni 0.5zn 0.5fe 2o 4).
The performance test results of prepared foam cement product is: anti-intensity is 7.49Mpa, and dry density is 214Kg/m 3, the maximum value of microwave absorbing property is-7.3dB.
embodiment 4
The preparation method of a kind of insulation of the present invention and antinoise foam cement product, comprises the steps:
Step 1, with 425# ordinary Portland cement, flyash, nano nickel Zn ferrite and stalk are raw material, and its mass percent is respectively 55%, 30%, 5%, 10%;
Step 2., the raw material prepared is put into mixer, put into after batch mixing 7h in foaming machine, using hydrogen peroxide (mass concentration 30%) as whipping agent, join in foaming machine the 12h that foams;
Step 3., foam is cast into goods in a mold, natural curing is shaping.
Nano nickel Zn ferrite in raw material is self-control, and detailed preparation method is as follows:
Step 1), take 20g citric acid, be dissolved in 80mL distilled water, be heated to 80 DEG C, temperature constant magnetic stirring 25min, ultrasonic disperse 25min, obtain citric acid solution;
Step 2), according to Ni 2+: Zn 2+: Fe 3+mol ratio is 0.5:0.5:2.0, and measuring 50mL concentration is respectively 0.1856 molL -1ni (NO 3) 2solution, 50mL concentration is 0.1856 molL -1zn (NO 3) 2solution and 50mL concentration are 0.7424molL -1fe (NO 3) 3solution, puts into beaker and adds water and make 500mL metal ion solution;
Step 3), citric acid solution is joined in 500mL metal ion solution, ultrasonic disperse 25min, then constant temperature stirs 25min, slowly drip ammoniacal liquor regulator solution pH value in the process, stop dripping when solution ph reaches 7;
Step 4), beaker is put into heating jacket transpiring moisture, when liquor capacity is 1/3 of original volume, is poured in crucible and continues to be heated to occur self-propagating combustion phenomenon, burning terminates to generate the loose meal expanded;
Step 5), meal is put into chamber type electric resistance furnace, at 600 DEG C, is incubated 2h, nano nickel Zn ferrite (Ni 0.5zn 0.5fe 2o 4).
The performance test results of prepared foam cement product is: anti-intensity is 5.26Mpa, and dry density is 186Kg/m 3, the maximum value of microwave absorbing property is-8.8dB.

Claims (3)

1. a preparation method for insulation and antinoise foam cement product, is characterized in that, comprise the steps:
Silicate cement, coal gangue, stalk and nano nickel Zn ferrite join in mixer by step 1. in order successively, batch mixing at least 4h obtains mixing raw material, and mixing raw material is silicate cement 55 ~ 65% by mass percentage, coal gangue 25 ~ 35%, stalk 5 ~ 10%, nano nickel Zn ferrite 1 ~ 5%;
The raw material mixed is put in foaming machine by step 2., adds foaming agent water solution, foaming 12h-24h, producing foamed body;
Foam is cast into goods by step 3. in a mold.
2. the preparation method of insulation according to claim 1 and antinoise foam cement product, it is characterized in that: described foaming agent water solution is the sherwood oil aqueous solution, the hexanaphthene aqueous solution or hydrogen peroxide, the mass ratio of sherwood oil aqueous solution PetroChina Company Limited.'s ether and water is 1:15, the mass ratio of hexanaphthene aqueous solution cyclohexane and water is 1:15, the mass concentration of hydrogen peroxide is that 30%, 30g mixing raw material adds 20mL foaming agent water solution.
3. the preparation method of insulation according to claim 1 and antinoise foam cement product, is characterized in that: described nano nickel Zn ferrite, and preparation method is as follows:
Step 1), take 14g ~ 21g citric acid, be dissolved in 60mL ~ 90mL distilled water, be heated to 80 DEG C, temperature constant magnetic stirring 15 min ~ 30min, ultrasonic disperse 15min ~ 30min, obtain citric acid solution;
Step 2), according to Ni 2+: Zn 2+: Fe 3+mol ratio is 0.5:0.5:2.0, and measuring 30mL ~ 60mL concentration is respectively 0.1856 molL -1ni (NO 3) 2solution, 30mL ~ 60mL concentration is 0.1856 molL -1zn (NO 3) 2solution and 30mL ~ 60mL concentration are 0.7424molL -1fe (NO 3) 3solution, puts into beaker and adds water and make 500mL metal ion solution;
Step 3), citric acid solution is joined in 500mL metal ion solution, ultrasonic disperse 15min ~ 30min, then constant temperature stirs 15min ~ 30min, slowly drip ammoniacal liquor regulator solution pH value in the process, stop dripping when solution ph reaches 7;
Step 4), beaker is put into heating jacket transpiring moisture, when liquor capacity is 1/3 of original volume, is poured in crucible and continues to be heated to occur self-propagating combustion phenomenon, burning terminates to generate the loose meal expanded;
Step 5), meal is put into chamber type electric resistance furnace, at 600 DEG C, is incubated 2h, nano nickel Zn ferrite.
CN201410808429.3A 2014-12-23 2014-12-23 A kind of insulation and the preparation method of antinoise foam cement product Expired - Fee Related CN104591642B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105672557A (en) * 2016-02-29 2016-06-15 柳州市够旺贸易有限公司 Making method of sound insulation wall brick
CN115043666A (en) * 2022-06-16 2022-09-13 神州建邦(北京)科贸发展有限公司 Coal gangue-based self-temperature-adjusting wall and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
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JPH05132379A (en) * 1991-11-12 1993-05-28 Yoshiyuki Ogushi Coating material for absorbing electric wave
CN1664240A (en) * 2005-04-11 2005-09-07 中国建筑材料科学研究院 Cement-based composite sound absorption material, method for manufacturing the same and sound barrier acoustic board
CN101941849A (en) * 2010-08-11 2011-01-12 东南大学 Straw cement based compound porous self-heat-insulating material and preparation method thereof
CN102888900A (en) * 2012-09-11 2013-01-23 宿州市皖安新型环保建材有限公司 Light heat preservation silicon and calcium compound plate
CN103467028A (en) * 2013-09-16 2013-12-25 安方高科电磁安全技术(北京)有限公司 Thermal-insulation mortar
CN103646744A (en) * 2013-12-03 2014-03-19 南昌航空大学 Method for preparing carbon-coated nickel zinc iron magnetic nano-particles with starch as raw materials

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05132379A (en) * 1991-11-12 1993-05-28 Yoshiyuki Ogushi Coating material for absorbing electric wave
CN1664240A (en) * 2005-04-11 2005-09-07 中国建筑材料科学研究院 Cement-based composite sound absorption material, method for manufacturing the same and sound barrier acoustic board
CN101941849A (en) * 2010-08-11 2011-01-12 东南大学 Straw cement based compound porous self-heat-insulating material and preparation method thereof
CN102888900A (en) * 2012-09-11 2013-01-23 宿州市皖安新型环保建材有限公司 Light heat preservation silicon and calcium compound plate
CN103467028A (en) * 2013-09-16 2013-12-25 安方高科电磁安全技术(北京)有限公司 Thermal-insulation mortar
CN103646744A (en) * 2013-12-03 2014-03-19 南昌航空大学 Method for preparing carbon-coated nickel zinc iron magnetic nano-particles with starch as raw materials

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105672557A (en) * 2016-02-29 2016-06-15 柳州市够旺贸易有限公司 Making method of sound insulation wall brick
CN115043666A (en) * 2022-06-16 2022-09-13 神州建邦(北京)科贸发展有限公司 Coal gangue-based self-temperature-adjusting wall and preparation method thereof

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