CN101244919B - Technique for producing loess foaming light brick - Google Patents
Technique for producing loess foaming light brick Download PDFInfo
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- CN101244919B CN101244919B CN2007100458185A CN200710045818A CN101244919B CN 101244919 B CN101244919 B CN 101244919B CN 2007100458185 A CN2007100458185 A CN 2007100458185A CN 200710045818 A CN200710045818 A CN 200710045818A CN 101244919 B CN101244919 B CN 101244919B
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- loess
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Abstract
The invention provides a preparation technology of loess foamed lightweight bricks and is characterized by adding water to the loess to prepare the loess into jatex, and obtaining foamed loess slurry by firstly adding water-soluble polymers into the loess slurry, then adding Portland cement and then adding foaming agent and making high speed disperse foaming for 10 to 30 minutes and pouring the foamed loess slurry into a die and obtaining the loess foamed lightweight bricks after the foamed loess slurry is dried. The foamed loess prepared by the technology can be used in the padding of grounds, floors and walling bodies and can achieve the functions of sound and heat insulation.
Description
Technical field
The present invention relates to a kind of preparation method of loess foaming light brick, specifically, is a kind of building packing material, and the Technology for preparing this material.
Background technology
Loess is the mineral-type oxide compound, and aboundresources is inexhaustible, cheap and easy to get.As it being manufactured the building cellular material, have that density is little, ultimate compression strength is high, do not chap, the sound absorption sound insulation is good, can alleviate load of buildings, again insulation and multi-efficiency such as heat insulation.The size of the viscosifying power of its quality product and base material, the intensity of base material, abscess, the pore size distribution of abscess and porosity etc. are relevant, and key factor is to choose the kind of suitable base material prescription, whipping agent and foam process, method.
Chinese patent CN1173475 discloses a kind of preparation method of light cellular partition board, make filler with flyash, magnesium oxide, Portland cement, carry out emulsification modification processing with industrial glue, magnesium chloride saltwater brine and make gelifying agent, make puffing foaming liquid with rosin, industrial gelatine, sodium hydroxide, puffing foaming agent, water, again above-mentioned three kinds of compositions are dropped into by metering and make the foaming mashed prod, lay aggregate on cast limit, mould top then and imbed pipe, the final curing demoulding, trimming fly hair and form.
Chinese patent CN1217304 discloses a kind of magnesium chloride cement water-proof foaming agent and preparation method thereof.Ratio in the water of (volume ratio) gelatine 0.8-2%, urea-formaldehyde resin 0.8-2%, Sodium dodecylbenzene sulfonate (solids content 20%) 5-10%, trolamine (solids content 20%) 0.8-2.5% and surplus is got raw material ready, earlier gelatine, urea-formaldehyde resin are mixed and add 10 times water, heating is 20-30 minute under 65-75 ℃ of temperature, make glue, mix with Sodium dodecylbenzene sulfonate, trolamine again, heating is 5-10 minute under 65-75 ℃ of temperature, and last thin up is made product.
Chinese patent CN1272420 discloses a kind of method of continuously producing light wall panel; it is in two steps: the first step; the method for making of middle master batch; with water, cement flour in proportion on the expanded polystyrene beads in going into the vibrating disk tablets press; form one deck cement sheath; in single-lead-screw extruding briquetting machine, mix again, become Light trabs through perforation, extruding cut-out with grout.
Chinese patent CN1313259 discloses a kind of manufacture method of light building blocks of powdered coal ash for wall, its basic material cement, flyash, middle calcined lime, limestone powder, gypsum are formed by proportioning, add aluminium powder, water again and add certain mark admixture iron powder, fiber, air entrapment agent, add light logging material at last.Its technology is flyash, middle calcined lime and the common grinding of gypsum, drop into stirrer with other base material and iron powder by recipe ratio, the outer reinforced back adding stirrer that mixes with water, add aluminium powder, light-weight aggregate stirring, pouring foaming more successively, base substrate is quiet stop, cut after maintenance become goods.
Chinese patent CN1321619 discloses a kind of energy-saving environment-protecting light wall material, it is the hardenite that mixes together by material of main part and water, the component of material of main part and volumn concentration are, light component 5-70%, the strong component 10-50% of bone, enhancement component 10-60%, glued component 0-30%, above-mentioned light component is foaming plastic block and expanded beads, can form through pulverizing by the depleted foam plastic product, the strong component of bone is cement or plaster stone or magnesium compound, enhancement component be staple fibre or/paper pulp, can be by treated the forming of the various fibre products of depleted.
Chinese patent CN1343643 discloses a kind of light heat insulation material, and described material is mixed together by wollastonite powder, sepiolite, perlite, powdery lime, cement, instant glue, the whipping agent of Different Weight.
Chinese patent CN1351979 discloses a kind of prescription and manufacture craft thereof of heat insulation sound-proof light block, and it is filled a prescription by weight percentage.Flyash 32-42%, stone face 30-46%, cement 10-18%, glue 0.12-0.30% foamed polystyrene body 0.05-0.1%, water 5.8-17.6%, its manufacture craft, at first select materials, take by weighing flyash, stone face, cement, glue, water by recipe ratio, be poured in the stirrer and stir, toward its big railway carriage or compartment loose tool cast pressure of shaking, put into four swage tires again, surrounding cast is shaken to press and is proposed the swage tire, puts into the oval body of the foamed polystyrene that makes in advance, again casting mixture, the pressure of shaking in the above.Big railway carriage or compartment loose tool is mentioned in form removal immediately, and maintenance gets final product after a couple of days.
Chinese patent CN2381691 discloses a kind of inorganic polymer foaming sandwich wall board, be to mix and add the whipping agent aluminium powder with flyash with cement, natural foaming moulding at normal temperatures and pressures, as laminboard layer, and be skeleton with woven fiber glass or woven wire or thin bamboo fence, assist on foaming inorganic high score material two sides, smear cement mortar again or gypsum forms.
Summary of the invention
A kind of preparation method of loess foaming light brick, it is characterized in that, loess is added water make underflow, in the loess underflow, add the water-soluble polymers aqueous solution earlier, add silicate cement then, add whipping agent again, carry out the high speed dispersion foaming then, the loess underflow that obtained foaming in high speed dispersion 10-30 minute is poured the loess underflow of foaming into mould, after the loess underflow drying to be foamed, obtain loess foaming light brick.
Describedly loess is added water make underflow, the concentration of making underflow is 40-80% (wt).
Described water-soluble polymers can be one or more the mixture in polyvinyl alcohol, polyoxyethylene, polyvinylpyrrolidone, the polyacrylamide; The concentration of the water-soluble polymers aqueous solution is 1-8%, and the add-on that water-soluble polymers is converted into dry weight is the 0.1-1% of loess weight.
Described silicate cement can be at present commercially available No. 325, No. 425, No. 525 cement one or more; The add-on of silicate cement is the 5-30% of loess weight.
Described whipping agent can be one or more the mixture in higher fatty acid salt, sulphosuccinates, fatty alcohol sulfate salt, Viscotrol C sulfuric acid, the sulfonated alkyl naphathalene; The add-on of whipping agent is the 0.1-5% of loess weight.
Described preparation method, the density of the loess light cinder brick that wherein foams is 300-1000g/cm3; Compressive strength is 0.3-1.2MPa.
The purposes of described loess foaming light brick can be used for the filling of ground, floor, body of wall, can play sound insulation, heat insulation effect.
Because the cohesive force between the loess particle is lower, the simple loess foaming of using, the sample strength of preparation is very low, the contriver finds, after in loess, adding water-soluble polymers such as polyvinyl alcohol, polyethylene oxide, polyvinylpyrrolidone, polyacrylamide, can increase substantially the cohesive force between the loess particle, make the light cinder brick density of preparation low, intensity is high.
The test of sample compressive strength is referring to GB/T 1964-1996.
Embodiment
Embodiment 1
In the reactor that 1 cubic metre of band stirs, add 100kg water, open and stir, the loess powder of 450kg is joined in the reactor, make the loess underflow.With 20kg concentration is that 3% polyvinyl alcohol water solution adds in the loess slurry, No. 525 cement of 30kg are added in the loess slurry, again the 0.5kg sodium stearate is added in the slurry, then with slurry with dispersion on 800 rev/mins the high speed dispersor 20 minutes, the loess underflow that obtains foaming.The loess underflow is poured in the mould that is of a size of long 40cm, wide 30cm, high 10cm, and drying is 4 hours under 105 ℃, and the loess foaming light brick density that obtains is 456kg/m
3Compressive strength is 0.5MPa.
Embodiment 2
In the reactor that 1 cubic metre of band stirs, add 150kg water, open and stir, the loess powder of 550kg is joined in the reactor, make the loess underflow.With 50kg concentration is that 1% the polyvinylpyrrolidone aqueous solution adds in the loess slurry, No. 425 cement of 50kg are added in the loess slurry, again the 1.5kg dioctyl sodium sulfosuccinate is added in the slurry, then with slurry with disperseing the loess underflow that obtains foaming on 800 rev/mins the high speed dispersor 13 minutes.The loess underflow is poured in the mould that is of a size of long 40cm, wide 30cm, high 10cm, and drying is 5 hours under 105 ℃, and the loess foaming light brick density that obtains is 522kg/m
3Compressive strength is 0.7MPa.
Embodiment 3
In the reactor that 1 cubic metre of band stirs, add 120kg water, open and stir, the loess powder of 350kg is joined in the reactor, make the loess underflow.With 40kg concentration is that 5% polyoxyethylene aqueous solution adds in the loess slurry, No. 325 cement of 40kg are added in the loess slurry, again 1.5kg lauric monoglyceride sodium sulfate is added in the slurry, then with slurry with disperseing the loess underflow that obtains foaming on 800 rev/mins the high speed dispersor 18 minutes.The loess underflow is poured in the mould that is of a size of long 40cm, wide 30cm, high 10cm, and drying is 2 hours under 115 ℃, and the loess foaming light brick density that obtains is 636kg/m
3Compressive strength is 1.1MPa.
Embodiment 4
In the reactor that 1 cubic metre of band stirs, add 160kg water, open and stir, the loess powder of 380kg is joined in the reactor, make the loess underflow.With 40kg concentration is that 5% the polyvinylpyrrolidone aqueous solution adds in the loess slurry, No. 425 cement of 60kg are added in the loess slurry, again 2.5kg Viscotrol C sulfuric ester sodium salt is added in the slurry, then with slurry with disperseing the loess underflow that obtains foaming on 800 rev/mins the high speed dispersor 30 minutes.The loess underflow is poured in the mould that is of a size of long 40cm, wide 30cm, high 10cm, and drying is 3.5 hours under 100 ℃, and the loess foaming light brick density that obtains is 691kg/m
3Compressive strength is 0.98MPa.
Embodiment 5
In the reactor that 1 cubic metre of band stirs, add 200kg water, open and stir, the loess powder of 600kg is joined in the reactor, make the loess underflow.With 80kg concentration is that 5% polyacrylamide solution adds in the loess slurry, No. 425 cement of 100kg are added in the loess slurry, again 8kg di-isopropyl naphthene sulfonic acid is added in the slurry, then with slurry with dispersion on 800 rev/mins the high speed dispersor 25 minutes, the loess underflow that obtains foaming.The loess underflow is poured in the mould that is of a size of long 40cm, wide 30cm, high 10cm, and drying is 4.5 hours under 100 ℃, and the loess foaming light brick density that obtains is 618kg/m
3Compressive strength is 0.77MPa.
Embodiment 6
In the reactor that 1 cubic metre of band stirs, add 160kg water, open and stir, the loess powder of 380kg is joined in the reactor, make the loess underflow.With 40kg concentration is that 8% polyvinyl alcohol water solution adds in the loess slurry, No. 425 cement of 60kg are added in the loess slurry, again the 6kg sodium dibutyl naphthalene sulfonate is added in the slurry, then with slurry with disperseing on 800 rev/mins the high speed dispersor 15 minutes, the loess underflow that obtains foaming, the loess underflow of foaming was descended dry 4 hours at 95 ℃, and the foaming loess density that obtains is 354kg/m
3Compressive strength is 0.58MPa.
Claims (3)
1. the preparation method of a loess foaming light brick, it is characterized in that, loess is added water make underflow, in the loess underflow, add the water-soluble polymers aqueous solution earlier, add silicate cement then, add whipping agent again, carry out the high speed dispersion foaming then, the loess underflow that obtained foaming in high speed dispersion 10-30 minute is poured the loess underflow of foaming into mould, after the loess underflow drying to be foamed, obtain loess foaming light brick;
Describedly loess is added water make underflow, be meant that loess concentration is the water slurry of 40-80% (wt);
Described water-soluble polymers is selected from one or more the mixture in polyvinyl alcohol, polyvinylpyrrolidone, the polyacrylamide; The concentration of the water-soluble polymers aqueous solution is 1-8%, and it is the 0.1-1% of loess weight that water-soluble polymers is converted in heavy add-on;
Described silicate cement is selected from No. 325, No. 425, No. 525 cement one or more; The add-on of silicate cement is the 5-30% of loess weight;
Described whipping agent is selected from one or more the mixture in higher fatty acid salt, sulphosuccinates, fatty alcohol sulfate salt, Viscotrol C sulfuric acid, the sulfonated alkyl naphathalene; The add-on of whipping agent is the 0.1-5% of loess weight.
2. the described preparation method of claim 1, the density of the loess light cinder brick that wherein foams is 300-1000g/cm3; Compressive strength is 0.3-1.2MPa.
3. the purposes of the described loess foaming light brick of claim 1 is used for the filling of ground, floor, body of wall, can play sound insulation, heat insulation effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100458185A CN101244919B (en) | 2007-09-11 | 2007-09-11 | Technique for producing loess foaming light brick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100458185A CN101244919B (en) | 2007-09-11 | 2007-09-11 | Technique for producing loess foaming light brick |
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| Publication Number | Publication Date |
|---|---|
| CN101244919A CN101244919A (en) | 2008-08-20 |
| CN101244919B true CN101244919B (en) | 2011-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100458185A Expired - Fee Related CN101244919B (en) | 2007-09-11 | 2007-09-11 | Technique for producing loess foaming light brick |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103588436A (en) * | 2013-11-27 | 2014-02-19 | 重庆民生建材厂 | High-molecular thermal insulation board and manufacture method |
| CN105060802B (en) * | 2015-07-24 | 2017-12-08 | 天津市宇乐科技有限公司 | A kind of light cellular partition board and preparation method thereof |
| CN105110812A (en) * | 2015-09-11 | 2015-12-02 | 湖北大学 | Method for preparing foam light soil through silt and prepared foam light soil |
| CN109320147A (en) * | 2018-11-12 | 2019-02-12 | 兰州大学 | A kind of loess solidifies the preparation method for hitting real brick |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1065650A (en) * | 1991-09-29 | 1992-10-28 | 济南市建筑材料设计科学研究所 | The prescription of yellow or red soil and pulverized coal ash brick |
| CN1156703A (en) * | 1996-12-24 | 1997-08-13 | 张勤社 | Briquette and its making method |
-
2007
- 2007-09-11 CN CN2007100458185A patent/CN101244919B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1065650A (en) * | 1991-09-29 | 1992-10-28 | 济南市建筑材料设计科学研究所 | The prescription of yellow or red soil and pulverized coal ash brick |
| CN1156703A (en) * | 1996-12-24 | 1997-08-13 | 张勤社 | Briquette and its making method |
Non-Patent Citations (2)
| Title |
|---|
| 赵彦旭.黄土砖力学特性室内试验研究.甘肃科技22 6.2006,22(6),151-153. |
| 赵彦旭.黄土砖力学特性室内试验研究.甘肃科技22 6.2006,22(6),151-153. * |
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Granted publication date: 20110323 Termination date: 20130911 |