CN106220232A - A kind of high-strength natural volcanic ash air-entrained concrete building block and processing method thereof - Google Patents

A kind of high-strength natural volcanic ash air-entrained concrete building block and processing method thereof Download PDF

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Publication number
CN106220232A
CN106220232A CN201610628665.6A CN201610628665A CN106220232A CN 106220232 A CN106220232 A CN 106220232A CN 201610628665 A CN201610628665 A CN 201610628665A CN 106220232 A CN106220232 A CN 106220232A
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CN
China
Prior art keywords
building block
volcanic ash
waste
entrained concrete
concrete building
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Pending
Application number
CN201610628665.6A
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Chinese (zh)
Inventor
王长富
毛东超
王玉童
刘伟
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ANHUI FUYANG FULONG BUILDING MATERIALS Co Ltd
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ANHUI FUYANG FULONG BUILDING MATERIALS Co Ltd
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Priority to CN201610628665.6A priority Critical patent/CN106220232A/en
Publication of CN106220232A publication Critical patent/CN106220232A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/10Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20Mortars, concrete or artificial stone characterised by specific physical values for the density
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/60Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

Abstract

The invention discloses a kind of high-strength natural volcanic ash air-entrained concrete building block and processing method thereof, the weight portion of its constitutive material is: natural volcanic ash 40 50, cement 24, quick lime 15 20, clay 58, building waste 10 15, waste paper 24, triethylamine 0.1 0.3, additive 12, aluminium powder 12, sugar calcium 0.2 0.4, polyoxyethylene aliphatic alcohol ether 0.01 0.02, triterpenoid saponin 0.2 0.3, zinc stearate 0.01 0.03, BTA 0.02 0.04.The present invention utilizes industry and agricultural residue as raw material, decreases the waste material pollution to surrounding enviroment, it is achieved turn waste into wealth, decrease energy resource consumption;The air-entrained concrete building block drying shrinkage value of the present invention is little, and cracking resistance is good, and the good properties of water-resistance all meets Standard.The relatively existing product intensity that compares is significantly improved.

Description

A kind of high-strength natural volcanic ash air-entrained concrete building block and processing method thereof
Technical field
The present invention relates to building material field, particularly belong to a kind of high-strength natural volcanic ash air-entrained concrete building block and Processing method.
Background technology
Air-entrained concrete building block is that one is light porous, insulation, fire protecting performance good, can follow closely, can saw, can dig and have There are the New Building Materials of certain shock resistance.The production principle of air-entrained concrete building block is to utilize siliceous material, calcareous material, Be additionally incorporated appropriate regulation material and a small amount of material admixture foaming agent (aluminium powder) of getting angry, by dispensing, stir, pour into a mould, precuring, The light porous silicate product that the technical processs such as cutting, steam pressure, maintenance are made.Because it contains the most uniform and thin after getting angry Little pore, therefore named air entrained concrete.Pore in air-entrained concrete building block accounts for the 60%-75% of its volume.Therefore, pore Shape, size, quantity and distribution almost affect all properties of air-entrained concrete building block, such as intensity, unit weight, absorb water, protect Warm, heat insulation and sound insulation etc..
At present, air-entrained concrete building block has an insoluble technical problem in producing, and aerated blocks mould rate of collapsing is higher, leads Causing aerated blocks qualification rate about 80%, the insufficient strength of the finished product processed, cause collapsing mould and inadequate main of product intensity Reason be exactly existing foaming agent get angry weak effect, get angry uneven, pore in irregular shape, size is uneven, distribution not Uniformly.Therefore studying how by scientific matching and the adjustment of technique of adjuvant of getting angry, final production goes out to get angry uniformly, aperture shape The air-entrained concrete building block that shape, size, quantity and distribution are the most more satisfactory, is that current air entrained concrete researchers are anxious to be studied Problem.
Summary of the invention
It is an object of the invention to provide a kind of high-strength natural volcanic ash air-entrained concrete building block and processing method thereof.
The present invention adopts the following technical scheme that to achieve these goals
A kind of high-strength natural volcanic ash air-entrained concrete building block, it is characterised in that the weight portion of its constitutive material is: sky So volcanic ash 40-50, cement 2-4, quick lime 15-20, clay 5-8, building waste 10-15, waste paper 2-4, triethylamine 0.1- 0.3, additive 1-2, aluminium powder 1-2, sugar calcium 0.2-0.4, polyoxyethylene aliphatic alcohol ether 0.01-0.02, triterpenoid saponin 0.2-0.3, Zinc stearate 0.01-0.03, BTA 0.02-0.04,
Described additive has the component raw material of following weight portion to be mixed to prepare: air-entrained concrete building block waste material 10-20, three Ethanolamine 0.2-0.4, hexamethylenamine 0.1-0.3, rosin acid sodium 0.02-0.03, sodium lignin sulfonate 0.01-0.015, acid-sludge 1- 2, in right amount, high-speed stirred is obtained by mixing for quick lime 2-3, Borax 0.5-0.8, DBSA 0.2-0.4, water.
The processing method of described high-strength natural volcanic ash air-entrained concrete building block, it is characterised in that include following step Rapid:
(1) each component is weighed by proportioning;
(2) natural volcanic ash weighed, cement, quick lime, clay, building waste are carried out pulverizing extremely in ball mill 180~220 mesh, obtain mixed material;
(3) it is added to waste paper in the hot water of 60-70 DEG C soak 1-2 hour, after processing with aqueous slkali, calcium salt soln, Carrying out defibrination, refining concentration is about 15%~20%, obtains pulp material, standby;
(4) aluminium powder, sugar calcium, polyoxyethylene aliphatic alcohol ether, triterpenoid saponin, zinc stearate, BTA are added appropriate Water stir, obtain pulpous state and be combined foaming agent, standby;
(5) mixed material that step (2) obtains is joined in blender, under stirring, add additional while add waterside Agent, after being then sufficiently stirred for 1-2 minute, adds the pulp material that step (3) obtains, and after being sufficiently stirred for 2-5 minute, adds step (4) the compound foaming agent prepared is sufficiently stirred for, and obtains slurry;
(6) whipping process arranges Insulation, it is ensured that molding temperature during slip casting is at 41-45 DEG C;Slurry is watered Note to aero-concrete mould, be warming up to 55-70 DEG C and get angry 25-40 minute, pre-at a temperature of 50~70 DEG C after having got angry Supporting 2~4 hours, after blank strength reaches 0.8~1.1MPa, specification as required is cut;
(7) carrying out steam-cured in the complete base substrate of cutting being delivered to still kettle, the method for maintenance is: heat up 2~3 hours to greatly Air pressure reaches 0.9~1.2MPa, constant temperature and pressure 6-8 hour, then decrease temperature and pressure 2~3 hours are to room temperature, get product.
The present invention has the following advantages and beneficial effect:
1, the present invention uses utilization industry and agricultural residue as raw material, decreases the waste material pollution to surrounding enviroment, real Now turn waste into wealth so that resource is maximally utilized.In adjuvant, add homemade compound additive to improve concrete and stir Water-resistance, frost resistance and durability after mobility when mixing, hardening, with the addition of the pulpous state base material of additive adds again compound After foaming agent is sufficiently stirred for, it is poured in mould and gets angry, the aluminium powder in compound foaming agent and the acidic activator vinegar in additive Under the exciting of slag and alkali-activator Borax, gas forming amount increases reaction fully, sodium lignin sulfonate, polyoxyethylene aliphatic alcohol ether, Under the mutually coordinated effect of triterpenoid saponin, the regular shape of the pore of finished product building block, size uniformly and are evenly distributed.Finished product porosity Reaching 65%-75%, the pulp material added in formula not only plays potentiation but also play water suction water resistant effect, prepared aerating coagulation Earth building blocks drying shrinkage value is little, and cracking resistance is good, and water-resistance is good, and particularly intensity is high, and properties all meets Standard.
2, the building block unit weight that prepared by the present invention is at about 600kg/m3, and intensity is high, and drying shrinkage is little, and technique is simple.
3, the air-entrained concrete building block thermal and insulating performance that prepared by the present invention is good, and energy-saving effect is obvious.
Detailed description of the invention
Embodiment 1: a kind of high-strength natural volcanic ash air-entrained concrete building block, the weight (kg) of its constitutive material is: sky So volcanic ash 45, cement 3, quick lime 18, clay 7, building waste 13, waste paper 3, triethylamine 0.2, additive 2, aluminium powder 1.5, sugar Calcium 0.3, polyoxyethylene aliphatic alcohol ether 0.01, triterpenoid saponin 0.2, zinc stearate 0.02, BTA 0.03,
Described additive has the component raw material of following weight (kg) to be mixed to prepare: air-entrained concrete building block waste material 15, three Ethanolamine 0.3, hexamethylenamine 0.2, rosin acid sodium 0.025, sodium lignin sulfonate 0.012, acid-sludge 2, quick lime 3, Borax 0.6, DBSA 0.3, water are appropriate, and high-speed stirred is obtained by mixing.
The processing method of high-strength natural volcanic ash air-entrained concrete building block, comprises the following steps:
(1) each component is weighed by proportioning;
(2) natural volcanic ash weighed, cement, quick lime, clay, building waste are carried out pulverizing extremely in ball mill 180~220 mesh, obtain mixed material;
(3) it is added to waste paper in the hot water of 60-70 DEG C soak 1-2 hour, after processing with aqueous slkali, calcium salt soln, Carrying out defibrination, refining concentration is about 15%~20%, obtains pulp material, standby;
(4) aluminium powder, sugar calcium, polyoxyethylene aliphatic alcohol ether, triterpenoid saponin, zinc stearate, BTA are added appropriate Water stir, obtain pulpous state and be combined foaming agent, standby;
(5) mixed material that step (2) obtains is joined in blender, under stirring, add additional while add waterside Agent, after being then sufficiently stirred for 1-2 minute, adds the pulp material that step (3) obtains, and after being sufficiently stirred for 2-5 minute, adds step (4) the compound foaming agent prepared is sufficiently stirred for, and obtains slurry;
(6) whipping process arranges Insulation, it is ensured that molding temperature during slip casting is at 41-45 DEG C;Slurry is watered Note to aero-concrete mould, be warming up to 55-70 DEG C and get angry 25-40 minute, pre-at a temperature of 50~70 DEG C after having got angry Supporting 2~4 hours, after blank strength reaches 0.8~1.1MPa, specification as required is cut;
(7) carrying out steam-cured in the complete base substrate of cutting being delivered to still kettle, the method for maintenance is: heat up 2~3 hours to greatly Air pressure reaches 0.9~1.2MPa, constant temperature and pressure 6-8 hour, then decrease temperature and pressure 2~3 hours are to room temperature, get product.
The intensity of the building block that the present embodiment 1 processes is high, and quality stability is good, and yield rate is high.Its performance test results is shown in Table 1 below.
The block performance testing result of table 1 present invention

Claims (2)

1. a high-strength natural volcanic ash air-entrained concrete building block, it is characterised in that the weight portion of its constitutive material is: natural Volcanic ash 40-50, cement 2-4, quick lime 15-20, clay 5-8, building waste 10-15, waste paper 2-4, triethylamine 0.1-0.3, Additive 1-2, aluminium powder 1-2, sugar calcium 0.2-0.4, polyoxyethylene aliphatic alcohol ether 0.01-0.02, triterpenoid saponin 0.2-0.3, tristearin Acid zinc 0.01-0.03, BTA 0.02-0.04,
Described additive has the component raw material of following weight portion to be mixed to prepare: air-entrained concrete building block waste material 10-20, three ethanol Amine 0.2-0.4, hexamethylenamine 0.1-0.3, rosin acid sodium 0.02-0.03, sodium lignin sulfonate 0.01-0.015, acid-sludge 1-2, life Calx 2-3, Borax 0.5-0.8, DBSA 0.2-0.4, water are appropriate, and high-speed stirred is obtained by mixing.
The processing method of high-strength natural volcanic ash air-entrained concrete building block the most according to claim 1, it is characterised in that Comprise the following steps:
(1) each component is weighed by proportioning;
(2) natural volcanic ash weighed, cement, quick lime, clay, building waste are carried out in ball mill pulverizing to 180~ 220 mesh, obtain mixed material;
(3) it is added to waste paper in the hot water of 60-70 DEG C soak 1-2 hour, after processing with aqueous slkali, calcium salt soln, carries out Defibrination, refining concentration is about 15%~20%, obtains pulp material, standby;
(4) aluminium powder, sugar calcium, polyoxyethylene aliphatic alcohol ether, triterpenoid saponin, zinc stearate, BTA are added appropriate water Stir, obtain pulpous state and be combined foaming agent, standby;
(5) mixed material that step (2) obtains is joined in blender, under stirring, while add waterside to add additive, so After be sufficiently stirred for 1-2 minute after, add the pulp material that step (3) obtains, after being sufficiently stirred for 2-5 minute, add step (4) system The compound foaming agent obtained is sufficiently stirred for, and obtains slurry;
(6) whipping process arranges Insulation, it is ensured that molding temperature during slip casting is at 41-45 DEG C;By slurry cast extremely In aero-concrete mould, be warming up to 55-70 DEG C and get angry 25-40 minute, after having got angry at a temperature of 50~70 DEG C precuring 2~ 4 hours, after blank strength reaches 0.8~1.1MPa, specification as required was cut;
(7) carrying out steam-cured in the complete base substrate of cutting being delivered to still kettle, the method for maintenance is: heat up 2~3 hours to atmospheric pressure Reach 0.9~1.2MPa, constant temperature and pressure 6-8 hour, then decrease temperature and pressure 2~3 hours are to room temperature, get product.
CN201610628665.6A 2016-08-03 2016-08-03 A kind of high-strength natural volcanic ash air-entrained concrete building block and processing method thereof Pending CN106220232A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108395152A (en) * 2018-04-23 2018-08-14 合肥市晨雷思建筑材料科技有限公司 A kind of baking-free heat preservation resistance to compression brick and preparation method thereof
CN108484091A (en) * 2018-04-23 2018-09-04 合肥市晨雷思建筑材料科技有限公司 A kind of non-evaporating cement insulation board and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102875067A (en) * 2012-08-25 2013-01-16 马鞍山豹龙新型建材有限公司 Modified nano mineral powder-containing aerated brick

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102875067A (en) * 2012-08-25 2013-01-16 马鞍山豹龙新型建材有限公司 Modified nano mineral powder-containing aerated brick

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108395152A (en) * 2018-04-23 2018-08-14 合肥市晨雷思建筑材料科技有限公司 A kind of baking-free heat preservation resistance to compression brick and preparation method thereof
CN108484091A (en) * 2018-04-23 2018-09-04 合肥市晨雷思建筑材料科技有限公司 A kind of non-evaporating cement insulation board and preparation method thereof

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