CN106747148A - Slag, carbide slag and haydite high-strength wall insulation material and preparation method thereof - Google Patents

Slag, carbide slag and haydite high-strength wall insulation material and preparation method thereof Download PDF

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Publication number
CN106747148A
CN106747148A CN201611127356.7A CN201611127356A CN106747148A CN 106747148 A CN106747148 A CN 106747148A CN 201611127356 A CN201611127356 A CN 201611127356A CN 106747148 A CN106747148 A CN 106747148A
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China
Prior art keywords
slag
haydite
powder
carbide
insulation material
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Pending
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CN201611127356.7A
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Chinese (zh)
Inventor
刘日鑫
刘文斌
周慧
高淑娟
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Changzhou Vocational Institute of Engineering
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Changzhou Vocational Institute of Engineering
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Priority to CN201611127356.7A priority Critical patent/CN106747148A/en
Publication of CN106747148A publication Critical patent/CN106747148A/en
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    • 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
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/08Slag cements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B11/00Apparatus or processes for treating or working the shaped or preshaped articles
    • B28B11/24Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/003Methods for mixing
    • B28C5/006Methods for mixing involving mechanical aspects
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78Heat insulating elements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/94Protection against other undesired influences or dangers against fire
    • 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
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00017Aspects relating to the protection of the environment
    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • Y02A30/244Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires

Abstract

The invention discloses a kind of slag, carbide slag and haydite high-strength wall insulation material and preparation method thereof.The high-strength wall insulation material is made up of slag powders, calcium carbide ground-slag, haydite, sand, dicalcium powder, latex powder, cellulose ether, water;Its mass percent is respectively:Slag powders:10.0~50.0%;Calcium carbide ground-slag:8.0~40.0%;Haydite:30.0~60.0%;Sand:15.0~30.0%;Dicalcium powder:5.0~20.0%;Latex powder:1.5~5.0%;Cellulose ether:0.5~2.0%;Water:12.0~30.0%.The present invention can provide care action in gelling system;Materials for wall 28d compression strength can reach 25MPa, and shrink small;Replace cement as gelling system by the use of slag carbide slag, both for the recycling of carbide slag provides new way, the high energy consumption needed for production cement is saved again;Not only excellent thermal insulation performance, intensity is high, and easy construction, it is not necessary to individually construction;Material source is extensively, cheap, compared with granular polystyrene polymer thermal insulative material, the low production cost of the materials for wall.

Description

Slag, carbide slag and haydite high-strength wall insulation material and preparation method thereof
Technical field
The present invention relates to a kind of wall heat insulation material and preparation method thereof, more particularly to a kind of high-strength wall material and its system Preparation Method.
Background technology
At present, the substantial amounts of solid waste of the industry such as electric power, cement, steel, aluminium processed generation, and these solid waste, Such as flyash, slag, slag, red mud, and urgently large utilization, the comprehensive regulation, reduce environmental pollution.
The wall fire-retardant heat-insulation material species for mainly using both at home and abroad is various, and organic insulation material causes fire again and again, Flameproof effect is poor, high cost;Mineral-type fire-retardant heat-insulation material and numerous and complicated, often because price war causes high-quality fire-retardant heat-insulation material It is unable to occuping market.Wall heat insulation material is main with the macromolecular material (sheet material that such as granular polystyrene sheet material or its pultrusion are formed Deng), its heat preservation and soundproof effect is good, while light weight, but macromolecule wall heat insulation material has its fatal weakness:(1) it is resistance to High-temperature behavior is poor;(2) low intensity;(3) construct complicated, therefore improve application cost.
The content of the invention
The invention technical problem to be solved is:High for current materials for wall price, fire resistance is poor and constructs numerous and diverse etc. Problem, the present invention provides one kind by the use of inorganic coagulation material as binding agent, and materials for wall is prepared by aggregate of haydite, can solve Certainly problem above.The present invention is intended to provide a kind of preparation method of high-strength wall material.
The technical solution adopted for the present invention to solve the technical problems is:
The present invention provides a kind of slag, carbide slag and haydite high-strength wall insulation material, by slag powders, calcium carbide ground-slag, pottery Grain, sand, dicalcium powder, latex powder, cellulose ether, water composition;Its mass percent is respectively:Slag powders:10.0~50.0%; Calcium carbide ground-slag:8.0~40.0%;Haydite:30.0~60.0%;Sand:15.0~30.0%;Dicalcium powder:5.0~20.0%; Latex powder:1.5~5.0%;Cellulose ether:0.5~2.0%;Water:12.0~30.0%.
As a further improvement on the present invention, described slag powders are the granulated blast-furnace slag of ironmaking processes formation by powder Powder is formed after mill, its main component is CaO, SiO2、Al2O3And Fe2O3, wherein tricalcium silicate and dicalcium silicate containing part Thing phase, with hydraulic property, its density is 2.7~2.9g/cm3, maximum particle diameter be less than 0.08mm, specific surface area be 400~ 450m2/kg。
As a further improvement on the present invention, described calcium carbide ground-slag is that calcium carbide reacts the product to be formed with water, industrially From the accessory substance that production acetylene gas are produced, white powder, its main component is calcium hydroxide, displays carbide slag for many years In the ingredients calcium carbonate containing part.
As a further improvement on the present invention, described haydite is by including clay, shale, gangue, sludge or red mud Composition by a kind of intensity of grinding, balling-up and sintering agglomerated material high, lightweight, porous, the particle diameter of haydite is 1-5mm or 5-10mm or 10-25mm, color is kermesinus or maroon, and its bulk density is 300-900km/ m3
As a further improvement on the present invention, the sand includes artificial sand and natural sand, and particle diameter is less than 5mm.
As a further improvement on the present invention, the dicalcium powder is heavy calcium carbonate powder, mainly with lime stone as raw material, The white powder to be formed is processed by mechanical powder, particle diameter is 350 mesh.
As a further improvement on the present invention, it can be by high molecular polymerization breast in dispersed latex powder that the latex powder is The powder thermoplastic resin material that liquid is processed.
As a further improvement on the present invention, the cellulose ether is using wood fibre or refines short cotton fiber as main Raw material, it is chemically treated after, the powdered cellulose ether for reacting generated by etherifying agent.
The present invention also provides the preparation method of a kind of slag, carbide slag and haydite high-strength wall insulation material, with slag, electricity Rock ballast, haydite, sand and auxiliary agent are raw material, by the use of inorganic coagulation material as binding agent, institute are prepared from by aggregate of haydite State high-strength wall insulation material.
As a further improvement on the present invention, comprise the following steps:
Step 1:Haydite is pre-processed;
After haydite is soaked into 24h with running water at room temperature, surface moisture is filtered off to saturated dry surface, it is stand-by;
Step 2:Weigh mixing;
In parts by mass, the haydite 30~60 for having pre-processed, slag powders are prepared:8~40, sand 15~30, dicalcium powder 5~ 20, latex powder 1.5~5.0, cellulose ether 0.5~2.0;
The raw material that will be weighed up loads in concrete mixer, 2~6min of mechanical agitation, and rotating speed is 60~80r/min;
Step 3:Add water stirring;
Water 12.0~30.0,6~8min of mechanical agitation are added in above-mentioned stirring siccative, rotating speed is 60~80r/min;
Step 4:Formed product;
The above-mentioned fresh material being stirred is fitted into the metal die of given size, after 5~15s of mechanical oscillation, with modeling Material film covering die surface, temperature be 20 ± 1 DEG C, humidity be 80~95% fog room or curing box in conserve 24h;
Step 5:The demoulding is conserved;
After the product stripping after 24h will be conserved, feeding temperature is 20 ± 1 DEG C of fog room or continues to conserve 28 days in water Can be used afterwards.
Beneficial effects of the present invention are as follows:
High-strength insulation wall material of the invention reaches professional standard JB149-2003 (expansion joints bellows exterior walls Heat-insulation system) specified in heat-insulating property (thermal conductivity factor≤0.041W/ (mk)).
The aggregate of the wall heat insulation material uses haydite, because haydite is porous light-weight material, when it (inhales by pretreatment Water) after, care action in gelling system can be provided, so as to further improve the intensity of materials for wall.Materials for wall 28d resists Compressive Strength can reach 25MPa, and shrink small.Additionally, also having the following advantages that:
(1) with energy-conserving and environment-protective meaning
The invention replaces cement by the use of slag carbide slag as gelling system, both for the recycling of carbide slag is provided New way, the high energy consumption needed for production cement is saved again, therefore with energy-conserving and environment-protective meaning.
(2) application value is high
Wall heat insulation material involved by the patent, not only excellent thermal insulation performance, intensity is high, and easy construction, it is not necessary to Individually construction, therefore with application value higher.
(3) low production cost
The Binder Materials that the patent of invention is related to is slag and carbide slag, and its wide material sources is cheap, compared with granular polystyrene Polymer thermal insulative material, the low production cost of the materials for wall.
Specific embodiment
With reference to specific embodiment, the invention will be further described, but the present invention is not limited to following examples.
Raw material used unless otherwise indicated, is building trade versatile material in embodiment, and can be by commercial channel Buy.
The present invention is raw material using slag, carbide slag, haydite, sand and auxiliary agent, produces a kind of wall thermal insulating of high intensity Material, the formula of the materials for wall is as follows:
Described slag powders be ironmaking processes formed granulated blast-furnace slag by forming powder after grinding, its main component It is CaO, SiO2、Al2O3And Fe2O3, wherein the tricalcium silicate containing part and dicalcium silicate thing phase, special with certain hydraulic Property.Its density is 2.7~2.9g/cm3, less than 0.08mm, specific surface area is 400~450m to maximum particle diameter2/kg。
Described calcium carbide ground-slag is that calcium carbide reacts the product to be formed with water, industrial to derive from what production acetylene gas were produced Accessory substance, white powder, its main component is calcium hydroxide, displays the ingredients calcium carbonate containing part in carbide slag for many years.
Described haydite is formed by clay, shale, gangue, sludge or red mud etc. by grinding, balling-up and sintering A kind of intensity agglomerated material high, lightweight, porous, the particle diameter of haydite is 1-5mm or 5-10mm or 10-25mm, Color is kermesinus or maroon, and its bulk density is 300-900km/m3
The sand includes artificial sand and natural sand, and particle diameter is less than 5mm.
The dicalcium powder is heavy calcium carbonate powder, mainly with lime stone as raw material, processes what is formed by mechanical powder White powder, main component is calcium carbonate, and particle diameter is 350 mesh.
The latex powder for can in dispersed latex powder, be by high molecular polymerization emulsion by HTHP, spray drying, The powder thermoplastic resin material that the series of process such as surface treatment are processed, mainly including EVA (vinylacetate and ethene Emulsion copolymer powder), E/VC/VL (ethene and vinyl chloride and vinyl laurate ternary polymerization latex powder) and other types of latex Powder.
Described cellulose ether be using wood fibre or refine short cotton fiber as primary raw material, it is chemically treated after, lead to The powdered cellulose ether that the etherifying agents such as superchlorination ethene, propylene dichloride or ethylene oxide react generated.Mainly include (hydroxypropyl methyl cellulose, viscosity is (22 DEG C, 2% aqueous solution) to HPMC:200000mPa.s), (carboxymethylcellulose calcium glues CMC Spend is (22 DEG C, the surface tension of 2% aqueous solution is 71mn/n)) and other cellulose ethers.
The water is running water.
A kind of slag, carbide slag and haydite high-strength wall insulation material, its preparation method have following steps:
(1) haydite pretreatment
After haydite is soaked into 24h with running water at room temperature, surface moisture is filtered off to saturated dry surface, it is stand-by.
(2) mixing is weighed
In parts by mass, the haydite 30~60 for having pre-processed, slag powders are prepared:8~40, sand 15~30, dicalcium powder 5~ 20, latex powder 1.5~5.0, cellulose ether 0.5~2.0.
The raw material that will be weighed up loads in concrete mixer, 2~6min of mechanical agitation, and rotating speed is 60~80r/min.
(3) add water stirring
Add water 12.0~30.0 (in parts by mass) in above-mentioned stirring siccative, 6~8min of mechanical agitation, rotating speed is 60 ~80r/min.
(4) formed product
The above-mentioned fresh material being stirred is fitted into the metal die of given size, after 5~15s of mechanical oscillation, with modeling Material film covering die surface, temperature be 20 ± 1 DEG C, humidity be 80~95% fog room or curing box in conserve 24h.
(5) demoulding maintenance
After the product stripping after 24h will be conserved, feeding temperature is 20 ± 1 DEG C of fog room or continues to conserve 28 days in water Can be used afterwards.
Embodiment one
Design of a kind of utilization slag, carbide slag and haydite production high-strength wall material and preparation method thereof, the preparation side Method has following steps:
(1) haydite pretreatment
After haydite is soaked into 24h with running water under room temperature (temperature is 20 ± 1 DEG C), excess surface moisture to saturation is filtered off Surface dry condition, it is stand-by.
(2) mixing is weighed
In parts by mass, the haydite 40 for having pre-processed, slag powders are prepared:15, sand 25, dicalcium powder 13, latex powder 2.0, Cellulose ether 1.2.
The raw material that will be weighed up loads in concrete mixer, and mechanical agitation 4min, rotating speed is 70r/min.
(3) add water stirring
Add water 25 (in parts by mass) in above-mentioned stirring siccative, mechanical agitation 8min, rotating speed is 70r/min.
(4) formed product
The above-mentioned fresh material being stirred is fitted into the metal die of given size, it is thin with plastics after mechanical oscillation 5s Film cover die surface, temperature be 20 ± 1 DEG C, humidity be 85% fog room or curing box in conserve 24h.
(5) demoulding maintenance
After the product stripping after 24h will be conserved, feeding temperature is 20 ± 1 DEG C of fog room or continues to conserve 28 days in water Can be used afterwards.
Embodiment two
Design of a kind of utilization slag, carbide slag and haydite production high-strength wall material and preparation method thereof, the preparation side Method has following steps:
(1) haydite pretreatment
After haydite is soaked into 24h with running water at room temperature, surface moisture is filtered off to saturated dry surface, it is stand-by.
(2) mixing is weighed
In parts by mass, the haydite 30 for having pre-processed, slag powders are prepared:30, sand 25, dicalcium powder 15, latex powder 2.0, Cellulose ether 1.2.
The raw material that will be weighed up loads in concrete mixer, and mechanical agitation 4min, rotating speed is 60r/min.
(3) add water stirring
Add water 20 (in parts by mass) in above-mentioned stirring siccative, mechanical agitation 5min, rotating speed is 60r/min.
(4) formed product
The above-mentioned fresh material being stirred is fitted into the metal die of given size, it is thin with plastics after mechanical oscillation 7s Film cover die surface, temperature be 20 ± 1 DEG C, humidity be 85% fog room or curing box in conserve 24h.
(5) demoulding maintenance
After the product stripping after 24h will be conserved, feeding temperature is 20 ± 2 DEG C of fog room or continues to conserve 28 days in water Can be used afterwards.
Embodiment three
Design of a kind of utilization slag, carbide slag and haydite production high-strength wall material and preparation method thereof, the preparation side Method has following steps:
(1) haydite pretreatment
After haydite is soaked into 24h with running water at room temperature, surface moisture is filtered off to saturated dry surface, it is stand-by.
(2) mixing is weighed
In parts by mass, the haydite 35 for having pre-processed, slag powders are prepared:25, sand 16, dicalcium powder 13, latex powder 2.1, Cellulose ether 1.2.
The raw material that will be weighed up loads in concrete mixer, and mechanical agitation 5min, rotating speed is 70r/min.
(3) add water stirring
Add water 20 (in parts by mass) in above-mentioned stirring siccative, mechanical agitation 7min, rotating speed is 80r/min.
(4) formed product
The above-mentioned fresh material being stirred is fitted into the metal die of given size, it is thin with plastics after mechanical oscillation 6s Film cover die surface, temperature be 20 ± 1 DEG C, humidity be 90% fog room or curing box in conserve 24h.
(5) demoulding maintenance
After the product stripping after 24h will be conserved, feeding temperature is 20 ± 1 DEG C of fog room or continues to conserve 28 days in water Can be used afterwards.
Comparative example one
A kind of preparation of materials for wall, its preparation method has following steps:
(in order to be contrasted with embodiment one, in the formula of the materials for wall, the haydite unlike embodiment one is unique Without by pre-processing, other proportionings are all identical.)
(1) stirring is weighed
In parts by mass, untreated haydite 35, slag powders are prepared:25, sand 16, dicalcium powder 13, latex powder 2.1 is fine The plain ether 1.2 of dimension.
The raw material that will be weighed up loads in concrete mixer, and mechanical agitation 5min, rotating speed is 70r/min.
(2) add water mixing
Add water 20 (in parts by mass) in above-mentioned stirring siccative, mechanical agitation 7min, rotating speed is 80r/min.
(3) sample shaping
The above-mentioned fresh material being stirred is fitted into the metal die of given size, it is thin with plastics after mechanical oscillation 6s Film cover die surface, temperature be 20 ± 1 DEG C, humidity be 90% fog room or curing box in conserve 24h.
(4) demoulding maintenance
After the product stripping after 24h will be conserved, feeding temperature is 20 ± 1 DEG C of fog room or continues to conserve 28 days in water Can be used afterwards.
Knowable to embodiment one, two, three and the gained end properties of comparative example one are contrasted, three heat conduction systems of embodiment Number is satisfied by the thermal conductivity factor required by professional standard JB149-2003, and the compression strength of all embodiments reaches 25MPa;By Comparative example one and the contrast of embodiment one understand that the materials for wall 180d shrinkages formed by pre-processing haydite are embodiments one 4 times, 28d self-constriction amounts are 5 times of embodiment one, therefore, haydite by the amount of contraction of materials for wall can be reduced after pretreatment, The intensity of materials for wall is improved simultaneously.
The measured data contrast of the embodiment one, two, three of table 1 and comparative example
Inspection project Comparative example one Embodiment one Embodiment two Embodiment three
180d is dry to shrink (%) 400×10-6 100×10-6 120×10-6 110×10-6
28d self-constrictions (%) 100×10-6 20×10-6 22×10-6 21×10-6
28d compression strength (MPa) 25.3 28.2 25.7 26.3
Thermal conductivity factor (W/ (mk)) 0.036 0.036 0.040 0.041
As seen from the above table:Embodiment one, two, three and the product thermal conductivity factor of comparative example production meet professional standard The requirement of JB149-2003 defineds.
Slag used by the present invention is granulated blast-furnace slag, is the waste residue melted in ironmaking processes by shape after Water Quenching Into shot-like particle.Slag used by the present invention refers to the slag powders that foregoing granulated blast-furnace slag is formed after grinding.Its Main component is silica, calcium oxide and iron oxide etc.;Because the formation of slag is due to being formed in high temperature ironmaking processes, Therefore there be substantial amounts of tricalcium silicate and dicalcium silicate isoreactivity hydraulicity thing phase in its inside, and the material assigns slag powders has water Rigid feature.
The industrial residue produced after calcium carbide hydrolysis during carbide slag production acetylene gas, main component is calcium hydroxide, Belong to trade waste.Invention has both saved cost by the use of slag and carbide slag both industrial wastes as Binder Materials, and Environment is effectively protected, while producing a kind of materials for wall of function admirable again, it may be said that achieve many things at one stroke.
In invention, Binder Materials is slag and carbide slag.By carbide slag activated slag activity, hydraulic cement material is formed Material.
Invent the main aggregate by the use of haydite as materials for wall.Haydite is clay, shale, gangue, sludge, red mud etc. By a kind of intensity of grinding, balling-up and sintering material high, lightweight, porous, the particle diameter of haydite is 1-5mm, 5- 10mm.
The Main Function of haydite is used by of the invention:(1) as the main aggregate of materials for wall;(2) due to haydite weight Gently, the deadweight of materials for wall can be mitigated;(3) intensity of materials for wall is improved using maintenance mechanism in haydite;(4) due to haydite It is hollow porous, can assign materials for wall good heat preservation and soundproof performance.
Therefore by the use of slag, carbide slag and haydite as the main raw material(s) of materials for wall, will reduce production cost, together When assign materials for wall multifunctional high-performance characteristic.
Materials for wall involved in the present invention, is purely prepared from using inorganic material, and its fire resistance is excellent;Due to pottery Grain intensity is high, and with interior care action, solves the high-strength low shortcoming of materials for wall;The materials for wall is easy to use simultaneously, It is easy to cutting, it is not necessary to individually construction.Additionally, the present invention produces materials for wall by the use of red mud and slag as main raw material(s), The two can be solved and bring huge environmental pollution.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention.It is all in essence of the invention Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.

Claims (10)

1. slag, carbide slag and haydite high-strength wall insulation material, it is characterised in that:By slag powders, calcium carbide ground-slag, haydite, sand Son, dicalcium powder, latex powder, cellulose ether, water composition;Its mass percent is respectively:Slag powders:10.0~50.0%;Calcium carbide Ground-slag:8.0~40.0%;Haydite:30.0~60.0%;Sand:15.0~30.0%;Dicalcium powder:5.0~20.0%;Latex Powder:1.5~5.0%;Cellulose ether:0.5~2.0%;Water:12.0~30.0%.
2. slag according to claim 1, carbide slag and haydite high-strength wall insulation material, it is characterised in that:Described Slag powders be ironmaking processes formed granulated blast-furnace slag by forming powder after grinding, its main component be CaO, SiO2、 Al2O3And Fe2O3, wherein the tricalcium silicate containing part and dicalcium silicate thing phase, with hydraulic property, its density is 2.7~ 2.9g/cm3, less than 0.08mm, specific surface area is 400~450m to maximum particle diameter2/kg。
3. slag according to claim 1, carbide slag and haydite high-strength wall insulation material, it is characterised in that:Described Calcium carbide ground-slag is that calcium carbide reacts the product to be formed with water, the industrial accessory substance produced from production acetylene gas, white powder End, its main component is calcium hydroxide, displays the ingredients calcium carbonate containing part in carbide slag for many years.
4. slag according to claim 1, carbide slag and haydite high-strength wall insulation material, it is characterised in that:Described Haydite is strong by one kind of grinding, balling-up and sintering by the composition including clay, shale, gangue, sludge or red mud High, lightweight, the porous agglomerated material of degree, the particle diameter of haydite is 1-5mm or 5-10mm or 10-25mm, and color is Kermesinus or maroon, its bulk density are 300-900km/m3
5. slag according to claim 1, carbide slag and haydite high-strength wall insulation material, it is characterised in that:The sand Attached bag includes artificial sand and natural sand, and particle diameter is less than 5mm.
6. slag according to claim 1, carbide slag and haydite high-strength wall insulation material, it is characterised in that:It is described heavy Calcium powder is heavy calcium carbonate powder, mainly with lime stone as raw material, the white powder to be formed is processed by mechanical powder, and particle diameter is 350 mesh.
7. slag according to claim 1, carbide slag and haydite high-strength wall insulation material, it is characterised in that:The breast It can be the powder thermoplastic resin material processed by high molecular polymerization emulsion in dispersed latex powder that rubber powder is.
8. slag according to claim 1, carbide slag and haydite high-strength wall insulation material, it is characterised in that:The fibre The plain ether of dimension is using wood fibre or refines short cotton fiber as primary raw material, it is chemically treated after, reacted by etherifying agent The powdered cellulose ether for being generated.
9. the preparation method of slag, carbide slag and haydite high-strength wall insulation material, it is characterised in that:With slag, carbide slag, pottery Grain, sand and auxiliary agent are raw material, by the use of inorganic coagulation material as binding agent, the high-strength wall with haydite as aggregate is prepared from Body insulation material.
10. the preparation method of slag according to claim 9, carbide slag and haydite high-strength wall insulation material, its feature It is:Comprise the following steps:
Step 1:Haydite is pre-processed;
After haydite is soaked into 24h with running water at room temperature, surface moisture is filtered off to saturated dry surface, it is stand-by;
Step 2:Weigh mixing;
In parts by mass, the haydite 30~60 for having pre-processed, slag powders are prepared:8~40, sand 15~30, dicalcium powder 5~20, Latex powder 1.5~5.0, cellulose ether 0.5~2.0;
The raw material that will be weighed up loads in concrete mixer, 2~6min of mechanical agitation, and rotating speed is 60~80r/min;
Step 3:Add water stirring;
Water 12.0~30.0,6~8min of mechanical agitation are added in above-mentioned stirring siccative, rotating speed is 60~80r/min;
Step 4:Formed product;
The above-mentioned fresh material being stirred is fitted into the metal die of given size, it is thin with plastics after 5~15s of mechanical oscillation Film cover die surface, temperature be 20 ± 1 DEG C, humidity be 80~95% fog room or curing box in conserve 24h;
Step 5:The demoulding is conserved;
After the product stripping after 24h will be conserved, feeding temperature for 20 ± 1 DEG C fog room or after continuing to conserve 28 days in the water i.e. Can be used.
CN201611127356.7A 2016-12-09 2016-12-09 Slag, carbide slag and haydite high-strength wall insulation material and preparation method thereof Pending CN106747148A (en)

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Application publication date: 20170531