CN108328992A - A kind of lightweight concrete energy-conserving thermal insulation board and preparation method thereof - Google Patents

A kind of lightweight concrete energy-conserving thermal insulation board and preparation method thereof Download PDF

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Publication number
CN108328992A
CN108328992A CN201810237193.0A CN201810237193A CN108328992A CN 108328992 A CN108328992 A CN 108328992A CN 201810237193 A CN201810237193 A CN 201810237193A CN 108328992 A CN108328992 A CN 108328992A
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powder
grain size
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mixture
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乔生艮
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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
    • C04B28/02—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 containing hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
    • C04B2103/302—Water reducers
    • 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
    • C04B2111/40—Porous or lightweight materials
    • 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

Abstract

A kind of lightweight concrete energy-conserving thermal insulation board of the present invention, is made up of following steps：A, it by Portland cement, desulfurated plaster powder, vermiculite power, multifuel combustion petroleum tar shale recirculating fluidized bed lime-ash, is added in blender and stirs evenly；B, it by chopped carbon fiber, chopped basalt fibre, titanium diboride powder, glutinous rice powder, boron nitride powder, water, alkyl polyglucoside, is stirred 15 minutes at 52~66 DEG C, and with the speed of 400~500 turns/min；C, it by the mixture in pine tar, glycol distearate, high performance water reducing agent of polyocarboxy acid, step a, is stirred evenly in the mixture being added in step b, cocamidopropyl betaine, 35% hydrogen peroxide is then added, stirs evenly；D, it by the mixture of step c, injects in mold, stands 5~10 hours；Demoulding, cutting, is put into fog room and conserves 72~240 hours,.

Description

A kind of lightweight concrete energy-conserving thermal insulation board and preparation method thereof
Technical field
The invention belongs to building material technical field, specially a kind of lightweight concrete energy-conserving thermal insulation board and its preparation side Method.
Background technology
Foam concrete fireproof heated board is to answer country《Civil buildings outer heat preservation system and the provisional rule of decoration of exterior wall fire prevention It is fixed》And a kind of non-ignitable thermal insulation board of foam concrete fireproof heated board released, basic principle are the non-ignitable and coagulations using cement A large amount of sealed porosity achievees the effect that fire prevention, lightweight, heat preservation in soil.Foam concrete fireproof heated board is prepared with foaming agent Foam, cement, it is anti-through the inorganic foamed concrete of a kind of cement-based lightweight porous made of maintenance after being stirred castable Fire heat preservation board thermal insulation board, A1 grades of combustibility can be applied to external wall fire-blocking belt and exterior-wall heat insulation etc..Coagulation Native thermal insulation board have light-weight, thermal and insulating performance is good, sound absorption sound insulation, the good characteristics such as fire prevention, suitable for exterior-wall heat insulation and its Fire-blocking belt meets the urgent needs to fire safety in exterior insulation market.By research and development for many years, the technology Gradual maturation at present, with the increasing of building fire protection dynamics, this product will be gradually widely applied, and become future and built Build one of the leading products of heat preservation.
Inorganic heat insulation material includes chemical blowing or physical blowing foam concrete heat-preserving plate, foamed ceramics or foam glass Thermal insulation board, rock wool or glass wool thermal insulation board, aerosil, heat insulation building block, haydite, hollow glass micropearl or expansion are precious Zhu Yan makees the foam concrete or concrete plate or thermal insulation mortar of aggregate, Foamed-concrete sandwich concrete segment, wall bubble Foam concrete is cast-in-place etc.；Compound insulating material, which has, to be kept the temperature using aluminium-plastic panel or color steel or nonmetallic materials as the organic foam of facing Plate, or using organic foam as the concrete segment of packing material and styrofoam granule heat-insulating mortar etc..
Organic insulation material has the advantages that density is small, thermal coefficient is low, water imbibition is small, good toughness.It is most outstanding to ask Topic is easy firing, and fire retardant used will often fail after several years, and when burning generates a large amount of toxic black smokes；Followed by use the longevity It orders short, needs within 25 years to reprocess primary, will produce a large amount of difficult rubbish；Third is to generate dirt to environment in production and construction Dye, the organic insulation material and glass fibre especially contained in rubbish are not easy whole recycling, may pollute air and soil repeatedly Earth.
Invention content
Present invention aims to overcome that deficiency in the prior art, a kind of lightweight concrete energy-conserving thermal insulation board and its system are provided Preparation Method.
Lightweight concrete energy-conserving thermal insulation board of the present invention, is made of the component of following parts by weight：Portland cement 65 ~75 parts, 30~37 parts of admixture, 8~10 parts of anti-crack fiber, enhancing 11~14 parts of composite powder, 55~65 parts of water, additive 7.5~9.5 parts, 6~9 parts of foaming agent；
The wherein described admixture is by 10~12 parts of desulfurated plaster, 8~10 parts of vermiculite power, multifuel combustion petroleum tar shale recirculating fluidized bed 12~15 parts of compositions of lime-ash；
The anti-crack fiber is made of 3~4 parts of chopped carbon fiber, 5~6 parts of the basalt fibre that is chopped；
The enhancing composite powder is made of 3~4 parts of titanium diboride, 5~6 parts of glutinous rice, 3~4 parts of boron nitride；
The additive by 1~1.5 part of pine tar, 1.5~2 parts of glycol distearate, high performance water reducing agent of polyocarboxy acid 5~ 6 parts of compositions；
The foaming agent is by 2~3 parts of 2~3 parts of alkyl polyglucoside, 2~3 parts of cocamidopropyl betaine, hydrogen peroxide groups At.
As an optimization, the lightweight concrete energy-conserving thermal insulation board, is prepared from the following raw materials in parts by weight：Normal silicate water 70 parts of mud, 11 parts of desulfurated plaster, 9 parts of vermiculite power, 13 parts of multifuel combustion petroleum tar shale recirculating fluidized bed lime-ash, chopped carbon fiber 3.5 parts, be chopped 5.5 parts of basalt fibre, 3.5 parts of titanium diboride, 5.5 parts of glutinous rice, 3.5 parts of boron nitride, 60 parts of water, pine tar 1.2 parts, 1.8 parts of glycol distearate, 5.8 parts of high performance water reducing agent of polyocarboxy acid, 2.2 parts of alkyl polyglucoside, cocounut oil acyl 2.2 parts of aminocarbonyl propyl glycine betaine, 2.5 parts of hydrogen peroxide.
As an optimization, in the lightweight concrete energy-conserving thermal insulation board admixture by 5~8 μm of grain size powder desulfurization gypsum powder End, the vermiculite power of 30~40 μm of grain size, 10~18 μm of grain size multifuel combustion petroleum tar shale recirculating fluidized bed lime-ash composition；It is described Enhance composite powder by the titanium diboride powder of 1~2 μm of grain size, the nitrogen of 1~2 μm of glutinous rice powder, the grain size of 30~40 μm of grain size Change boron powder composition.Chopped carbon fiber is length 3mm, diameter：7um；The basalt fibre that is chopped is length 6mm, diameter：5um.It is double Oxygen water is 35% hydrogen peroxide of Jinan fine day Chemical Industry Science Co., Ltd；High performance water reducing agent of polyocarboxy acid is Changsha Jiang Lan building materials section Skill Co., Ltd high performance water reducing agent of polyocarboxy acid.Multifuel combustion petroleum tar shale recirculating fluidized bed lime-ash is that petroleum coke and oil shale are pressed Weight ratio 3：Lime-ash after 1 burning.
The method for preparing the lightweight concrete energy-conserving thermal insulation board, includes the following steps：
A, the Portland cement of the parts by weight, desulfurated plaster, vermiculite power, multifuel combustion petroleum tar shale is ciculation fluidized Bed lime-ash, is added in blender and stirs evenly；
B, by the chopped carbon fiber of the parts by weight, be chopped basalt fibre, titanium diboride, glutinous rice, boron nitride, water,
Alkyl polyglucoside stirs 15 minutes at 52~66 DEG C, and with the speed of 400~500 turns/min；
It c, will be mixed in the pine tar of the parts by weight, glycol distearate, high performance water reducing agent of polyocarboxy acid, step a Object is closed, is stirred evenly in the mixture being added in step b, the Cocamidopropyl beet of the parts by weight is then added Alkali, hydrogen peroxide, stir evenly；
D, it by the mixture of step c, injects in mold, stands 5~10 hours；Demoulding, cutting, be put into fog room maintenance 72~ 240 hours,.
Lightweight concrete energy-conserving thermal insulation board of the present invention is prepared using special formula and technique, and over dry is apparent close Degree is 170~180kg/m3, and compression strength is 1.0~1.2MPa, and inside is closed honeycomb structure, and rate of closed hole is high；Thermal coefficient 0.040~0.050W/m.k, tensile strength are 0.14~0.15MPa；There is closed pore outstanding relative to the similar product present invention Rate and excellent mechanical property and unexpected heat insulating ability, comprehensive performance are splendid.With high yield rate, fire prevention, light The characteristics of matter, heat preservation, energy-saving and emission-reduction；It can be applied to external wall fire-blocking belt and exterior-wall heat insulation etc..With styrofoam with And regular-type foam coagulation thermal insulation board is compared, related performance indicators inspection result is tested, and is specifically shown in Table 1.
Specific implementation mode
The embodiments given below are intended to further illustrate the invention, but is not to be construed as to the scope of the present invention Limitation, some the nonessential modifications and adaptations of those skilled in the art according to the content of present invention to the present invention still fall within this The protection domain of invention.
Embodiment 1：A, by 70 kilograms of Portland cement, 11 kilograms of desulfurated plaster powder, the grain size of 5~8 μm of grain size 30~40 μm of 9 kilograms of vermiculite power, 13 kilograms of the multifuel combustion petroleum tar shale recirculating fluidized bed lime-ash of 10~18 μm of grain size are added It is stirred evenly in blender；
B, by length 3mm, diameter：3.5 kilograms of chopped carbon fiber, length 6mm, the diameter of 7um：The chopped basalt fibre of 5um 5.5 kilograms, 5.5 kilograms of the glutinous rice powder of 30~40 μm of 3.5 kilograms of titanium diboride powder, the grain size of 1~2 μm of grain size, grain size 1~ 2 μm of 3.5 kilograms of boron nitride powder, 60 kilograms of water, 2.2 kilograms of alkyl polyglucoside, at 52~66 DEG C, and with 400~500 Turn/speed of min stirs 15 minutes；
C, by 1.2 kilograms of pine tar, 1.8 kilograms of glycol distearate, the poly- carboxylic of Changsha Jiang Lan building materials Science and Technology Ltd. Mixture in 5.8 kilograms of sour high-performance water reducing agent, step a stirs evenly in the mixture being added in step b, then plus Enter 2.2 kilograms of cocamidopropyl betaine, 2.5 kilograms of 35% hydrogen peroxide of Jinan fine day Chemical Industry Science Co., Ltd, stirring is equal It is even；
D, it by the mixture of step c, injects in mold, stands 5~10 hours；Demoulding, cutting, be put into fog room maintenance 72~ 240 hours,.
Embodiment 2：A, by 65 kilograms of Portland cement, 10 kilograms of desulfurated plaster powder, the grain size of 5~8 μm of grain size 30~40 μm of 8 kilograms of vermiculite power, 12 kilograms of the multifuel combustion petroleum tar shale recirculating fluidized bed lime-ash of 10~18 μm of grain size are added It is stirred evenly in blender；
B, by length 3mm, diameter：3 kilograms of chopped carbon fiber, length 6mm, the diameter of 7um：The chopped basalt fibre 5,000 of 5um Gram, the nitridation of 1~2 μm of 5 kilograms of glutinous rice powder, the grain size of 30~40 μm of 3 kilograms of titanium diboride powder, the grain size of 1~2 μm of grain size 3 kilograms of boron powder, 55 kilograms of water, 2 kilograms of alkyl polyglucoside, at 52~66 DEG C, and with the speed of 400~500 turns/min Stirring 15 minutes；
C, by 1 kilogram of pine tar, 1.5 kilograms of glycol distearate, Changsha Jiang Lan building materials Science and Technology Ltd. polycarboxylic acids Mixture in 5 kilograms of high-performance water reducing agent, step a stirs evenly in the mixture being added in step b, coconut palm is then added 2 kilograms of oleamidopropyl betaine, 2 kilograms of 35% hydrogen peroxide of Jinan fine day Chemical Industry Science Co., Ltd, stir evenly；
D, it by the mixture of step c, injects in mold, stands 5~10 hours；Demoulding, cutting, be put into fog room maintenance 72~ 240 hours,.
Embodiment 3：A, by 75 kilograms of Portland cement, 12 kilograms of desulfurated plaster powder, the grain size of 5~8 μm of grain size 30~40 μm of 10 kilograms of vermiculite power, 15 kilograms of the multifuel combustion petroleum tar shale recirculating fluidized bed lime-ash of 10~18 μm of grain size, add Enter in blender, is stirred 15 minutes with the speed of 400~500 turns/min；
B, by length 3mm, diameter：4 kilograms of chopped carbon fiber, length 6mm, the diameter of 7um：The chopped basalt fibre 6,000 of 5um Gram, the nitridation of 1~2 μm of 6 kilograms of glutinous rice powder, the grain size of 30~40 μm of 4 kilograms of titanium diboride powder, the grain size of 1~2 μm of grain size 4 kilograms of boron powder, 65 kilograms of water, 3 kilograms of alkyl polyglucoside, at 52~66 DEG C, and with the speed of 400~500 turns/min Stirring 15 minutes；
C, by 1.5 kilograms of pine tar, 2 kilograms of glycol distearate, Changsha Jiang Lan building materials Science and Technology Ltd. polycarboxylic acids Mixture in 6 kilograms of high-performance water reducing agent, step a is added in the mixture in step b, with 400~500 turns/min's Speed stirs 15 minutes, and 3 kilograms of cocamidopropyl betaine, Jinan fine day Chemical Industry Science Co., Ltd 35% is then added 3 kilograms of hydrogen peroxide is stirred 1 minute or so with the speed of 500~600 turns/min；
D, it by the mixture of step c, injects in mold, stands 5~10 hours；Demoulding, cutting, be put into fog room maintenance 72~ 240 hours,.

Claims (1)

1. a kind of lightweight concrete energy-conserving thermal insulation board, it is characterised in that be made up of following steps：
A, by 65 parts of Portland cement, the vermiculite power 8 of 30~40 μm of 10 parts of desulfurated plaster powder, the grain size of 5~8 μm of grain size Part, 12 parts of the multifuel combustion petroleum tar shale recirculating fluidized bed lime-ash of 10~18 μm of grain size, be added in blender and stir evenly；
B, by length 3mm, chopped basalt fibre 5 part, of 3 parts of the chopped carbon fiber of diameter 7um, length 6mm, diameter 5um 3 parts of the titanium diboride powder that 1~2 μm of diameter, 30~40 μm of grain size 1~2 μm of 5 parts of glutinous rice powder, grain size boron nitride powder 3 Part, 55 parts of water, 2 parts of alkyl polyglucoside stir 15 minutes at 52~66 DEG C, and with the speed of 400~500 turns/min；
C, by the mixing in 1 part of pine tar, 1.5 parts of glycol distearate, 5 parts of high performance water reducing agent of polyocarboxy acid, step a Object stirs evenly in the mixture being added in step b, and 2 parts of cocamidopropyl betaine, 35% hydrogen peroxide 2 is then added Part, it stirs evenly；
D, it by the mixture of step c, injects in mold, stands 5~10 hours；Demoulding, cutting, be put into fog room maintenance 72~ 240 hours,.
CN201810237193.0A 2015-12-17 2015-12-17 A kind of lightweight concrete energy-conserving thermal insulation board and preparation method thereof Withdrawn CN108328992A (en)

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FR3093109A1 (en) * 2019-02-27 2020-08-28 Sarl Chabbert Chimie Composition, insulating material and method of insulation

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Application publication date: 20180727