CN101066886A - Aerated concrete block and its production process - Google Patents
Aerated concrete block and its production process Download PDFInfo
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- CN101066886A CN101066886A CNA2007101226166A CN200710122616A CN101066886A CN 101066886 A CN101066886 A CN 101066886A CN A2007101226166 A CNA2007101226166 A CN A2007101226166A CN 200710122616 A CN200710122616 A CN 200710122616A CN 101066886 A CN101066886 A CN 101066886A
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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
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- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The aerated concrete block is produced with fly ash 50-65 weight portions, lime 18-22 weight portions, gypsum 6-10 weight portions, cement 7-16 weight portions, composite gas former 4-8 weight portions, efficient fly ash activator 1-2 weight portions, composite stabilizer 1.5-3 weight portions and water in proper quantity; and through the production process including the steps of fly ash pre-treatment, crushing lime and gypsum, pre-activating fly ash, mixing the materials to prepare slurry and pouring, pre-curing, cutting, and steam curing to obtain the product. The production process adopts pre-activating and secondary activating and composite stabilizer, and the aerated concrete block product has low cement consumption, low cost and high strength.
Description
Technical field
The present invention relates to contrary construction material and production method thereof, particularly a kind of air-entrained concrete building block and production method thereof.
Background technology
Traditional air-entrained concrete building block is a kind of light porous material of construction, it is to be raw material with cement, lime, slag, flyash, sand, the material of getting angry etc., make through operations such as levigate, batching, cast, cutting, steam press maintenances, it has light weight, good heat insulating and advantage such as can process, but kind is single, cost is high, intensity is low, and range of application is restricted.
In view of this, in order to overcome above-mentioned shortcoming, this creator is according to oneself practical experience and technical concept, after deliberation, exploitation, and has the present invention to produce eventually.
Summary of the invention
The present invention will provide a kind of air-entrained concrete building block and production method thereof, makes it adopt pre-activating process to reduce cost and improves the technical problem of intensity with solution.
It is such solving the problems of the technologies described above the technical scheme that is adopted:
A kind of air-entrained concrete building block is characterized in that: the composition of raw materials of this concrete segment and weight part thereof are:
Flyash 50～65 weight parts, lime 18～22 weight parts, gypsum 6～10 weight parts, cement 7～16 weight parts, compound foaming agent 4～8 weight parts, fly ash highly activator 1～2 weight part, one package stabilizer 1.5～3 weight parts and suitable quantity of water.
The production method technical process of this air-entrained concrete building block is:
(1) flyash pre-treatment, exactly to water ratio greater than 30% the flyash concentration of dewatering, adopt the dehydration of pulp storage tank natural subsidence, or adopt the vacuum hydroextractor dehydration, the sorting of sieving, fineness requirement is that 0.045mm square hole sieve screen over-size is not more than 30%;
(2) fragmentation of lime and gypsum is carried out break process to block lime, gypsum respectively with crusher, carries out grinding processing with pulverizer, the sorting of sieving, and fineness requirement is that 0.08mm square hole sieve screen over-size is not more than 25%;
(3) the pre-activation of flyash, formulation weight part of flyash, lime and gypsum is added the rolling stirrer together, add 50～60 ℃ of an amount of hot water again, rolling 3～5 minutes, send into then in the activating chamber that temperature remains on 60～90 ℃, keep activation 4～6 hours, relative humidity 95% forms activating fly ash;
(4) batching slurrying and cast comprise the following steps:
1. prepare burden, above-mentioned preactivated flyash is got all the ready with cement, fly ash highly activator, compound foaming agent and one package stabilizer in the prescription sent into e Foerderanlage;
2. stirring pulping adds stirrer with above-mentioned batching automatically through e Foerderanlage, and the feeding sequence of stirring is as follows;
Add an amount of magnetization hot water to stirrer, 40 ℃ of water temperatures, the flyash, lime and the gypsum powder that in stirrer, add cement then and activated in advance, stirred 2～3 minutes, utilize heating unit on the stirrer will expect temperature rise to 50 ℃ to drop into fly ash highly activator, compound foaming agent and one package stabilizer then, continue to stir 2 minutes, flyash is carried out re-activation, can pour into a mould;
3. slip casting after stirring is finished, is opened baiting valve, pours into a mould slip in mould, and performs source recording;
(5) quietly stop precuring, after the cast, annotated the mould of slip and sent into 50 ℃～55 ℃ precuring chamber maintenance, quiet stopping 2.5～3 hours, through getting angry, multiviscosisty, initial set and the complicated physicochemical change of a record series of hardening, form material base at last;
(6) cutting of bad body is carried out craft or cut mechanically on demand with the quiet material base that stops after the maintenance in precuring chamber;
(7) steam press maintenance and finished product are put into autoclave with the blank after the above-mentioned cutting and are carried out, and when it heats up, 2～3 hours, thermostat temperature is 180 ℃～190 ℃, pressure is 0.8～1.3MPa, 8～12 hours time, temperature fall time 2 hours, steam press maintenance finishes, and takes out check, and finished product is sent;
Described compound foaming agent is an aluminium powder; Described fly ash highly activator is water glass and sodium lignosulfonate mixed solution, and both weight ratios are 1: 1; Described one package stabilizer is an oleic acid: trolamine: the volume ratio of water is 1: 3: 36 mixing solutions;
This crusher is jaw crusher, hammer mill or vertical impact crusher;
This stirrer is the curved leaf stirrer of turbine type.
The present invention does not use original state flyash, lime, gypsum, and adopt these starting material to activate in advance and re-activation technology, and corresponding adjustment and improvement have all been done at aspects such as prescription, technical process, technical parameters, therefore it is compared with traditional powder ash air-entrained concrete, intensity is higher, cost is lower, density is littler, performance is better, and creative, thereby solved the technical problem that makes it adopt pre-activating process to reduce cost and improve intensity.
The present invention adopts advanced technologies, and its advantage is as follows:
1, the present invention adopts pre-activating process, adopt flyash, lime, the pre-activating process of gypsum, increased their reactive behavior, affinity and contact area between dispersity and each material have been improved, thereby make the hydrated product CSH of gas concrete and ask vigorous mullite to increase greatly, improved product strength and heat insulation property.
2, the present invention adopts fly ash highly activator, flyash is carried out re-activation, excited the activity of flyash, improved the solubility rate of fly vitreous silane agent, the lateral reactivity of flyash is not fully exerted, and this activator has carried out re-activation to flyash on the preactivated basis of flyash, produced the activation synergistic effect, reduce cement consumption, improved intensity.
3, the present invention adopts the slip one package stabilizer, and it stablizes the gas concrete slip significantly, and slip multiviscosisty speed and raising rate are reached unanimity, and more can increase bubble wall intensity than general concrete slurry with suds-stabilizing agent, and phenomenons such as mould prevent to collapse.
Description of drawings
Fig. 1 is a production method process flow sheet of the present invention.
Embodiment
As shown in Figure 1, be production method process flow sheet of the present invention.Composition of raw materials and the weight part thereof of one embodiment of this air-entrained concrete building block are:
Flyash 60kg, lime 20kg, gypsum 8kg, cement 12kg, compound foaming agent 6kg, fly ash highly activator 1.5kg, one package stabilizer 2.5kg and suitable quantity of water.
2, the production method of air-entrained concrete building block according to claim 1 is characterized in that: this production method technical process is:
(1) flyash pre-treatment, exactly to water ratio greater than 30% the flyash concentration of dewatering, adopt the dehydration of pulp storage tank natural subsidence, or adopt vacuum hydroextractor to dewater, the sorting of sieving, fineness requirement is that 0.045mm square hole sieve screen over-size is not more than 30%, and weighs 60kg;
(2) fragmentation of lime and gypsum is carried out break process to block lime, gypsum respectively with crusher, carries out grinding processing with pulverizer, the sorting of sieving, and fineness requirement is that 0.08mm square hole sieve screen over-size is not more than 25%, and weighs lime 20kg, gypsum 8kg;
(3) the pre-activation of flyash, the above-mentioned flyash that weighs, lime and gypsum are added the rolling stirrer together, add 50～60 ℃ of an amount of hot water again, rolling 3～5 minutes, send into then in the activating chamber that temperature remains on 60～90 ℃, keep activation 4～6 hours, relative humidity 95% forms activating fly ash;
(4) batching slurrying and cast comprise the following steps:
1. batching is got all the cement 12kg, compound foaming agent 6kg, fly ash highly activator 1.5kg, one package stabilizer 2.5kg in above-mentioned preactivated flyash and the prescription to send into e Foerderanlage ready;
2. stirring pulping adds stirrer with above-mentioned batching automatically through e Foerderanlage, and the feeding sequence of stirring is as follows;
Add an amount of magnetization hot water to stirrer, 40 ℃ of water temperatures, the flyash, lime and the gypsum powder that in stirrer, add cement then and activated in advance, stirred 2～3 minutes, utilize heating unit on the stirrer will expect temperature rise to 50 ℃ to drop into fly ash highly activator, compound foaming agent and one package stabilizer then, continue to stir 2 minutes, flyash is carried out re-activation, can pour into a mould;
3. slip casting after stirring is finished, is opened baiting valve, pours into a mould slip in mould, and performs source recording;
(5) quietly stop precuring, after the cast, annotated the mould of slip and sent into 50 ℃～55 ℃ precuring chamber maintenance, quiet stopping 2.5～3 hours, through getting angry, multiviscosisty, initial set and the complicated physicochemical change of a record series of hardening, form material base at last;
(6) cutting of bad body is carried out craft or cut mechanically on demand with the quiet material base that stops after the maintenance in precuring chamber;
(7) steam press maintenance and finished product are put into autoclave with the blank after the above-mentioned cutting and are carried out, and when it heats up, 2～3 hours, thermostat temperature is 180 ℃～190 ℃, pressure is 0.8～1.3MPa, 8～12 hours time, temperature fall time 2 hours, steam press maintenance finishes, and takes out check, and finished product is sent;
Described compound foaming agent is an aluminium powder; Described fly ash highly activator is water glass and sodium lignosulfonate mixed solution, and both weight ratios are 1: 1; Described one package stabilizer is an oleic acid: trolamine: the volume ratio of water is 1: 3: 36 mixing solutions;
Water glass in this fly ash highly activator is the very strong binding agent of a kind of cohesive force, sodium lignosulfonate is a kind of high molecular polymer, has very strong dispersion agent, good infiltration, wetting, emulsification, diffusion and lathering property are arranged, both have carried out efficient re-activation to flyash and have handled, excite the activity of flyash, reduced cement consumption, improved intensity;
Oleic acid in this one package stabilizer can be behenic acid, rape oil acid or cotton oil acid, be a kind of emulsifying agent, softening agent and tensio-active agent, and trolamine is a kind of stablizer, cement intensifier and concrete early strength agent, this one package stabilizer reaches unanimity slip multiviscosisty speed and raising rate, can effectively prevent from the mould phenomenon of only collapsing;
This crusher is jaw crusher, hammer mill or vertical impact crusher;
This stirrer is the curved leaf stirrer of turbine type.
In sum, effect of the present invention has tangible lifting, has novelty, practicality, meets each important document of patent of invention, so propose application for a patent for invention in accordance with the law.
Claims (5)
1, a kind of air-entrained concrete building block is characterized in that: the composition of raw materials of this concrete segment and weight part thereof are:
Flyash 50～65 weight parts, lime 18～22 weight parts, gypsum 6～10 weight parts, cement 7～16 weight parts, compound foaming agent 4～8 weight parts, fly ash highly activator 1～2 weight part, one package stabilizer 1.5～3 weight parts and suitable quantity of water.
2, the production method of air-entrained concrete building block according to claim 1 is characterized in that: this production method technical process is:
(1) flyash pre-treatment, exactly to water ratio greater than 30% the flyash concentration of dewatering, adopt the dehydration of pulp storage tank natural subsidence, or adopt the vacuum hydroextractor dehydration, the sorting of sieving, fineness requirement is that 0.045mm square hole sieve screen over-size is not more than 30%;
(2) fragmentation of lime and gypsum is carried out break process to block lime, gypsum respectively with crusher, carries out grinding processing with pulverizer, the sorting of sieving, and fineness requirement is that 0.08mm square hole sieve screen over-size is not more than 25%;
(3) the pre-activation of flyash, formulation weight part of flyash, lime and gypsum is added the rolling stirrer together, add 50～60 ℃ of an amount of hot water again, rolling 3～5 minutes, send into then in the activating chamber that temperature remains on 60～90 ℃, keep activation 4～6 hours, relative humidity 95% forms activating fly ash;
(4) batching slurrying and cast comprise the following steps:
1. prepare burden, above-mentioned preactivated flyash is got all the ready with cement, fly ash highly activator, compound foaming agent and one package stabilizer in the prescription sent into e Foerderanlage;
2. stirring pulping adds stirrer with above-mentioned batching automatically through e Foerderanlage, and the feeding sequence of stirring is as follows;
Add an amount of magnetization hot water to stirrer, 40 ℃ of water temperatures, the flyash, lime and the gypsum powder that in stirrer, add cement then and activated in advance, stirred 2～3 minutes, utilize heating unit on the stirrer will expect temperature rise to 50 ℃ to drop into fly ash highly activator, compound foaming agent and one package stabilizer then, continue to stir 2 minutes, flyash is carried out re-activation, can pour into a mould;
3. slip casting after stirring is finished, is opened baiting valve, pours into a mould slip in mould, and performs source recording;
(5) quietly stop precuring, after the cast, annotated the mould of slip and sent into 50 ℃～55 ℃ precuring chamber maintenance, quiet stopping 2.5～3 hours, through getting angry, multiviscosisty, initial set and the complicated physicochemical change of a record series of hardening, form material base at last;
(6) cutting of bad body is carried out craft or cut mechanically on demand with the quiet material base that stops after the maintenance in precuring chamber;
(7) steam press maintenance and finished product are put into autoclave with the blank after the above-mentioned cutting and are carried out, and when it heats up, 2～3 hours, thermostat temperature is 180 ℃～190 ℃, pressure is 0.8～1.3MPa, 8～12 hours time, temperature fall time 2 hours, steam press maintenance finishes, and takes out check, and finished product is sent.
3, air-entrained concrete building block according to claim 2 is characterized in that: described compound foaming agent is an aluminium powder; Described fly ash highly activator is water glass and sodium lignosulfonate mixed solution, and both weight ratios are 1: 1; Described one package stabilizer is an oleic acid: trolamine: the volume ratio of water is 1: 3: 36 mixing solutions.
4, the production method of air-entrained concrete building block according to claim 2 is characterized in that: this crusher is jaw crusher, hammer mill or vertical impact crusher.
5, the production method of air-entrained concrete building block according to claim 2 is characterized in that: this stirrer is the curved leaf stirrer of turbine type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101226166A CN100540510C (en) | 2007-07-09 | 2007-07-09 | Air-entrained concrete building block and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101226166A CN100540510C (en) | 2007-07-09 | 2007-07-09 | Air-entrained concrete building block and production method thereof |
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| Publication Number | Publication Date |
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| CN101066886A true CN101066886A (en) | 2007-11-07 |
| CN100540510C CN100540510C (en) | 2009-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007101226166A Expired - Fee Related CN100540510C (en) | 2007-07-09 | 2007-07-09 | Air-entrained concrete building block and production method thereof |
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Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863678A (en) * | 2010-06-04 | 2010-10-20 | 西南科技大学 | Circulating fluidized bed sulfur fixation ash aerated concrete and preparation method thereof |
| CN101913902A (en) * | 2010-08-04 | 2010-12-15 | 舟山市宇锦新型墙体材料有限公司 | Powder ash air-entrained concrete building block and preparation method thereof |
| CN101913830A (en) * | 2010-08-16 | 2010-12-15 | 河南省建筑科学研究院有限公司 | Novel autoclaved fly ash self-insulation wall material and production process |
| CN102167619A (en) * | 2011-01-25 | 2011-08-31 | 河海大学 | Low-thermal-conductivity aerated concrete and preparation method thereof |
| CN102515826A (en) * | 2011-12-08 | 2012-06-27 | 河南建益达实业有限公司 | Autoclaved fly ash aerated concrete building block and production method thereof |
| CN102910936A (en) * | 2012-11-09 | 2013-02-06 | 天津大学 | Environment-friendly geopolymer-based foaming material |
| CN102924026A (en) * | 2012-10-19 | 2013-02-13 | 叶香竹 | Preparation method of aerated concrete |
| CN103011881A (en) * | 2012-12-27 | 2013-04-03 | 山东宏艺科技股份有限公司 | Method for increasing quartz sand tailing powder content in aerated concrete product |
| CN103145441A (en) * | 2013-03-14 | 2013-06-12 | 华通路桥集团有限公司 | B05-grade early-strength fly ash aerated concrete |
| CN103214263A (en) * | 2013-05-10 | 2013-07-24 | 德州先科地质聚合物研究所 | Foamed coal ash geopolymer outer-wall thermal-insulation board and manufacturing process thereof |
| CN103601524A (en) * | 2013-11-01 | 2014-02-26 | 天津大学 | Fibre reinforced coal ash based geopolymer foam material and preparation method thereof |
| CN103723939A (en) * | 2013-12-16 | 2014-04-16 | 柳州市华深新型建材有限责任公司 | Preparation method of aerated concrete blocks |
| CN103758274A (en) * | 2014-01-16 | 2014-04-30 | 太原钢铁(集团)有限公司 | Production method of aerated concrete panel |
| CN103964889A (en) * | 2014-04-18 | 2014-08-06 | 东南大学 | Aerated concrete prepared from coal ash-nanosilicon dioxide-silica fume as main siliceous material |
| CN104016704A (en) * | 2014-06-16 | 2014-09-03 | 临沧师范高等专科学校 | Aerated concrete block using germanium-extracting tailings of brown coal as main raw materials and preparation method thereof |
| CN104478465A (en) * | 2014-11-14 | 2015-04-01 | 安徽中龙建材科技有限公司 | Glass fiber autoclaved aerated concrete and preparation method thereof |
| CN104557115A (en) * | 2014-12-29 | 2015-04-29 | 安徽中龙建材科技有限公司 | Asbestos-carbon fiber ALC (autoclaved lightweight concrete) slab and preparation method thereof |
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| CN105198315A (en) * | 2015-09-14 | 2015-12-30 | 河南兴安新型建筑材料有限公司 | Coal fired furnace slag autoclaved aerated concrete building block and preparation method of coal fired furnace slag autoclaved aerated concrete building block |
| CN105236802A (en) * | 2015-10-15 | 2016-01-13 | 霍世金 | Fly ash aerated product synergist and preparation method thereof |
| CN107253268A (en) * | 2017-06-26 | 2017-10-17 | 南安市科体机械科技有限公司 | A kind of concrete segment production system |
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| CN108623234A (en) * | 2018-06-20 | 2018-10-09 | 贵州遵义亚诚建材有限公司 | A kind of novel environment friendly concrete segment and its preparation process |
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| CN101863678B (en) * | 2010-06-04 | 2012-10-10 | 西南科技大学 | Circulating fluidized bed sulfur fixation ash aerated concrete and preparation method thereof |
| CN101863678A (en) * | 2010-06-04 | 2010-10-20 | 西南科技大学 | Circulating fluidized bed sulfur fixation ash aerated concrete and preparation method thereof |
| CN101913902A (en) * | 2010-08-04 | 2010-12-15 | 舟山市宇锦新型墙体材料有限公司 | Powder ash air-entrained concrete building block and preparation method thereof |
| CN101913902B (en) * | 2010-08-04 | 2012-12-19 | 舟山市宇锦新型墙体材料有限公司 | Powder ash air-entrained concrete building block and preparation method thereof |
| CN101913830A (en) * | 2010-08-16 | 2010-12-15 | 河南省建筑科学研究院有限公司 | Novel autoclaved fly ash self-insulation wall material and production process |
| CN102167619B (en) * | 2011-01-25 | 2013-05-08 | 河海大学 | Low-thermal-conductivity aerated concrete and preparation method thereof |
| CN102167619A (en) * | 2011-01-25 | 2011-08-31 | 河海大学 | Low-thermal-conductivity aerated concrete and preparation method thereof |
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| CN102924026B (en) * | 2012-10-19 | 2014-08-06 | 叶香竹 | Preparation method of aerated concrete |
| CN102924026A (en) * | 2012-10-19 | 2013-02-13 | 叶香竹 | Preparation method of aerated concrete |
| CN102910936A (en) * | 2012-11-09 | 2013-02-06 | 天津大学 | Environment-friendly geopolymer-based foaming material |
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| CN103145441A (en) * | 2013-03-14 | 2013-06-12 | 华通路桥集团有限公司 | B05-grade early-strength fly ash aerated concrete |
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| CN103964889A (en) * | 2014-04-18 | 2014-08-06 | 东南大学 | Aerated concrete prepared from coal ash-nanosilicon dioxide-silica fume as main siliceous material |
| CN103964889B (en) * | 2014-04-18 | 2015-07-15 | 东南大学 | Aerated concrete prepared from coal ash-nanosilicon dioxide-silica fume as main siliceous material |
| CN104016704A (en) * | 2014-06-16 | 2014-09-03 | 临沧师范高等专科学校 | Aerated concrete block using germanium-extracting tailings of brown coal as main raw materials and preparation method thereof |
| CN104016704B (en) * | 2014-06-16 | 2015-10-21 | 临沧师范高等专科学校 | Brown coal germanium tailings is air-entrained concrete building block of main raw material and preparation method thereof |
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| CN104557115A (en) * | 2014-12-29 | 2015-04-29 | 安徽中龙建材科技有限公司 | Asbestos-carbon fiber ALC (autoclaved lightweight concrete) slab and preparation method thereof |
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| CN105110675A (en) * | 2015-07-21 | 2015-12-02 | 广东省建筑材料研究院 | Composite foam stabilizer for autoclaved aerated concrete and preparation method thereof |
| CN105198315A (en) * | 2015-09-14 | 2015-12-30 | 河南兴安新型建筑材料有限公司 | Coal fired furnace slag autoclaved aerated concrete building block and preparation method of coal fired furnace slag autoclaved aerated concrete building block |
| CN105236802A (en) * | 2015-10-15 | 2016-01-13 | 霍世金 | Fly ash aerated product synergist and preparation method thereof |
| CN107253268A (en) * | 2017-06-26 | 2017-10-17 | 南安市科体机械科技有限公司 | A kind of concrete segment production system |
| CN107805034A (en) * | 2017-11-25 | 2018-03-16 | 遵义翔辉环保产业有限责任公司 | A kind of non-autoclaved aerated brick |
| CN108623234A (en) * | 2018-06-20 | 2018-10-09 | 贵州遵义亚诚建材有限公司 | A kind of novel environment friendly concrete segment and its preparation process |
| CN109824291A (en) * | 2019-04-03 | 2019-05-31 | 贵阳宏基建材有限公司 | A kind of dry-mixed mortar production method of addition recycling coal ash |
| CN111319133A (en) * | 2020-02-28 | 2020-06-23 | 贵州美可斯建筑工程技术有限公司 | Foaming gypsum block and preparation method thereof |
| CN112606193A (en) * | 2020-12-08 | 2021-04-06 | 惠州市亚巴郎新型建材有限公司 | Short-period production line for environment-friendly aerated bricks and production process thereof |
| CN112606193B (en) * | 2020-12-08 | 2022-02-11 | 惠州市亚巴郎新型建材有限公司 | Short-period production line for environment-friendly aerated bricks and production process thereof |
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