CN106242402A - A kind of high strenght flyash quartz sand aerated concrete block and processing method thereof - Google Patents

A kind of high strenght flyash quartz sand aerated concrete block and processing method thereof Download PDF

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Publication number
CN106242402A
CN106242402A CN201610630595.8A CN201610630595A CN106242402A CN 106242402 A CN106242402 A CN 106242402A CN 201610630595 A CN201610630595 A CN 201610630595A CN 106242402 A CN106242402 A CN 106242402A
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China
Prior art keywords
quartz sand
waste
flyash
add
used plastics
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CN201610630595.8A
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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 CN201610630595.8A priority Critical patent/CN106242402A/en
Publication of CN106242402A publication Critical patent/CN106242402A/en
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/14—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • B28B11/245—Curing concrete articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
    • B28C7/04—Supplying or proportioning the ingredients
    • B28C7/0404—Proportioning
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/10—Clay
    • C04B14/102—Attapulgite clay
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/34—Non-shrinking or non-cracking materials
    • C04B2111/343—Crack resistant materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32—Mortars, 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The invention discloses a kind of high strenght flyash quartz sand aerated concrete block and processing method thereof, the weight portion of its constitutive material is: flyash 35 45, quartz sand 10 12, stone powder 8 10, slag 46, red mud 57, attapulgite 12, waste or used plastics 24, sugar calcium 12, cement 68, water are appropriate, tri-n-octyl amine 0.2 0.4, additive 12, aluminium powder 12, flour 0.2 0.4, polyoxyethylene aliphatic alcohol ether 0.01 0.02, triterpenoid saponin 0.2 0.3, sodium stearate 0.01 0.03, BTA 0.02 0.04.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 strenght flyash quartz sand aerated concrete block and processing method thereof
Technical field
The present invention relates to building material field, particularly belong to a kind of high strenght flyash quartz sand aerated concrete block and Its 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 strenght flyash quartz sand aerated concrete block and processing method thereof.
The present invention adopts the following technical scheme that to achieve these goals
A kind of high strenght flyash quartz sand aerated concrete block, it is characterised in that the weight portion of its constitutive material is: Flyash 35-45, quartz sand 10-12, stone powder 8-10, slag 4-6, red mud 5-7, attapulgite 1-2, waste or used plastics 2-4, sugar calcium 1-2, cement 6-8, water are appropriate, tri-n-octyl amine 0.2-0.4, additive 1-2, aluminium powder 1-2, flour 0.2-0.4, Polyoxyethylene fatty Alcohol ether 0.01-0.02, triterpenoid saponin 0.2-0.3, sodium 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 strenght flyash quartz sand aerated concrete block, it is characterised in that include following step Rapid:
(1) each component is weighed by proportioning；
(2) by the flyash weighed, quartz sand, stone powder, slag, red mud, attapulgite, sugar calcium, cement in ball mill It is ground to 180～220 mesh, obtains mixed material；
(3) waste or used plastics is shredded, add the silane coupler of waste or used plastics quality 5%, the calcium carbonate of 3-5%, 1-2% White oil, 0.1-0.3% antioxidant, the bentonite of 20-30%, after being mixed together uniformly, pelletize, obtain waste or used plastics granule, standby With；
(4) aluminium powder, flour, polyoxyethylene aliphatic alcohol ether, triterpenoid saponin, sodium 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 tri-n-octyl amine and stirs 1-2 minute, adds the old plastics that step (3) obtains Grain, after being sufficiently stirred for 2-5 minute, the compound foaming agent adding step (4) prepared is sufficiently stirred for, and obtains slurry；
(6) whipping process arranges Insulation, it is ensured that molding temperature during slip casting is at 42-45 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 attapulgite added in formula had both played potentiation and had played water suction water resistant effect, and prepared aerating mixes Solidifying 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 can meet GB to be wanted Ask.
2, the building block unit weight that prepared by the present invention is at about 620kg/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 strenght flyash quartz sand aerated concrete block, the weight (kg) of its constitutive material is: Flyash 40, quartz sand 11, stone powder 9, slag 5, red mud 6, attapulgite 2, waste or used plastics 3, sugar calcium 1, cement 7, water is appropriate, three 1-Aminooctane 0.3, additive 2, aluminium powder 1, flour 0.3, polyoxyethylene aliphatic alcohol ether 0.02, triterpenoid saponin 0.2, sodium stearate 0.02, BTA 0.03,
Wherein additive has the component raw material of following weight (kg) to be mixed to prepare: air-entrained concrete building block waste material 15, three second Hydramine 0.3, hexamethylenamine 0.2, rosin acid sodium 0.025, sodium lignin sulfonate 0.012, acid-sludge 2, quick lime 3, Borax 0.6, ten Dialkyl benzene sulfonic acids 0.3, water are appropriate, and high-speed stirred is obtained by mixing.
The processing method of high strenght flyash quartz sand aerated concrete block, comprises the following steps:
(1) each component is weighed by proportioning；
(2) by the flyash weighed, quartz sand, stone powder, slag, red mud, attapulgite, sugar calcium, cement in ball mill It is ground to 180～220 mesh, obtains mixed material；
(3) waste or used plastics is shredded, add the silane coupler of waste or used plastics quality 5%, the calcium carbonate of 3-5%, 1-2% White oil, 0.1-0.3% antioxidant, the bentonite of 20-30%, after being mixed together uniformly, pelletize, obtain waste or used plastics granule, standby With；
(4) aluminium powder, flour, polyoxyethylene aliphatic alcohol ether, triterpenoid saponin, sodium 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 tri-n-octyl amine and stirs 1-2 minute, adds the old plastics that step (3) obtains Grain, after being sufficiently stirred for 2-5 minute, the compound foaming agent adding step (4) prepared is sufficiently stirred for, and obtains slurry；
(6) whipping process arranges Insulation, it is ensured that molding temperature during slip casting is at 42-45 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 strenght flyash quartz sand aerated concrete block, it is characterised in that the weight portion of its constitutive material is: powder Coal ash 35-45, quartz sand 10-12, stone powder 8-10, slag 4-6, red mud 5-7, attapulgite 1-2, waste or used plastics 2-4, sugar calcium 1- 2, cement 6-8, water is appropriate, tri-n-octyl amine 0.2-0.4, additive 1-2, aluminium powder 1-2, flour 0.2-0.4, polyoxyethylene fatty alcohol Ether 0.01-0.02, triterpenoid saponin 0.2-0.3, sodium 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 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 strenght flyash quartz sand aerated concrete block the most according to claim 1, its feature exists In comprising the following steps:
(1) each component is weighed by proportioning；
(2) flyash weighed, quartz sand, stone powder, slag, red mud, attapulgite, sugar calcium, cement are carried out in ball mill It is ground to 180～220 mesh, obtains mixed material；
(3) by waste or used plastics shred, add waste or used plastics quality 5% silane coupler, the calcium carbonate of 3-5%, 1-2% white oil, 0.1-0.3% antioxidant, the bentonite of 20-30%, after being mixed together uniformly, pelletize, obtain waste or used plastics granule, standby；
(4) aluminium powder, flour, polyoxyethylene aliphatic alcohol ether, triterpenoid saponin, sodium 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 tri-n-octyl amine stir 1-2 minute, add the old plastic grain that step (3) obtains, fill After dividing stirring 2-5 minute, the compound foaming agent adding step (4) prepared is sufficiently stirred for, and obtains slurry；
(6) whipping process arranges Insulation, it is ensured that molding temperature during slip casting is at 42-45 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.
CN201610630595.8A 2016-08-03 2016-08-03 A kind of high strenght flyash quartz sand aerated concrete block and processing method thereof Pending CN106242402A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111298908A (en) * 2019-12-27 2020-06-19 江苏融达新材料股份有限公司 Production process for mixing and grinding steel slag, lithium slag, furnace slag and stone powder
CN111995340A (en) * 2020-08-26 2020-11-27 盐城工学院 Regenerated fine aggregate aerated building block with electromagnetic wave absorption performance 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
CN111298908A (en) * 2019-12-27 2020-06-19 江苏融达新材料股份有限公司 Production process for mixing and grinding steel slag, lithium slag, furnace slag and stone powder
CN111995340A (en) * 2020-08-26 2020-11-27 盐城工学院 Regenerated fine aggregate aerated building block with electromagnetic wave absorption performance and preparation method thereof

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