CN109608100A - A kind of concrete self-insulating composite lightweight block and its production technology - Google Patents
A kind of concrete self-insulating composite lightweight block and its production technology Download PDFInfo
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- CN109608100A CN109608100A CN201811473160.2A CN201811473160A CN109608100A CN 109608100 A CN109608100 A CN 109608100A CN 201811473160 A CN201811473160 A CN 201811473160A CN 109608100 A CN109608100 A CN 109608100A
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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
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1055—Coating or impregnating with inorganic materials
- C04B20/1077—Cements, e.g. waterglass
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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
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C1/00—Building elements of block or other shape for the construction of parts of buildings
- E04C1/40—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts
- E04C1/41—Building elements of block or other shape for the construction of parts of buildings built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts composed of insulating material and load-bearing concrete, stone or stone-like material
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Inorganic Chemistry (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention provides a kind of concrete self-insulating composite lightweight block and its production technology, it is related to the field of building materials, constituent including following parts by weight: 100-120 parts of high-strength cement, 40-45 parts of mullite hollow spheres, 10-15 parts of sepiolite powder, 5-10 parts of calcium silicate slag, 5-10 parts of pre- involucrum ardealite, 5-10 parts of aluminous fly-ash, 10-16 parts of silicon powder, 1-5 parts of stalk fibre, 1-5 parts of basalt fibre, 0.1-1 parts of sodium carboxymethylcellulose, 15-20 parts of modified epoxy, 4-8 parts of benzoxazine, 0.1-1 parts of water-reducing agent, 0.1-1 parts of surface treating agent, 0.1-0.5 parts of curing agent, 1-3 parts of BRC viscosity improver, 80-120 parts of water, the power of concrete self-insulating composite lightweight block of the present invention Have excellent performance, and thermal coefficient is low, good effect of heat insulation, and density is small, is suitable as construction material use.
Description
Technical field
The present invention relates to the field of building materials, and in particular to a kind of concrete self-insulating composite lightweight block and its production work
Skill.
Background technique
Concrete refers to by cementitious matter (organic, inorganic or organo-mineral complexing), granular aggregat, water and needs
The chemical admixture and mineral admixture to be added have heap by mixture made of proper proportion mixing or hardened rear formed
The composite material (being commonly with cementitious material, water, fine aggregate, coarse aggregate) of poly structure mixes additive when needing and mineral is mixed
Material is closed, is cooperated by proper proportion.
Concrete is one of the present age most important civil engineering material.Concrete has abundant raw material, cheap, production
The characteristics of simple process, thus keep its dosage increasing.Concrete also has compression strength high simultaneously, and durability is good, intensity
The features such as rate range is wide.These features keep its use scope very extensive, not only use in various civil engineerings, exactly make
Ship industry, mechanical industry, the exploitation of ocean, geothermal engineering etc., concrete is also important material.
The present materials for wall in China is transitioned into novel wall material, novel wall material from traditional solid clay brick
Material can be divided into building block, brick and plate three categories from purposes.There is a major class to be in common novel wall material domestic at present
Non-sintered concrete segment mainly has ceramsite concrete blocks, normal concrete building block, lime, cement, slag powders aerating mixed
Solidifying earth building blocks etc..Building block material as large-scale application, it is necessary under the premise of guaranteeing its low cost, consider that it is
It is no to have good mechanical property and higher safety in utilization, moreover, building energy conservation is always the most important thing studied, it is existing
The building block material thermal insulation property that also needs to have certain, to improve the wall insulation performance of building, to play drop
The purpose of low energy expenditure.
Chinese patent CN106064923A discloses a kind of method that printing and dyeing sludge prepares air-entrained concrete building block, is utilized
The leftover pieces of printing and dyeing sludge and textile fabric reduce pollution, while improving the toughness and intensity of building block；Using limewash
First printing and dyeing sludge is pre-processed, the antiseptic property of building block can be promoted；The product raw material sources are extensive, production technology is simple
Single, product quality and performances are obviously improved than traditional building block.
Chinese patent CN108609991A discloses a kind of preparation method of high thermal insulation concrete brick, includes the following steps:
Urea, formaldehyde, water are uniformly mixed, regulation system pH value is 8-8.4, and nano aluminium oxide, silane coupling agent is added, and heating is stirred
It mixes, lecithin is added, n,N-Dimethylformamide stirs evenly, addition polystyrene ultrasonic disperse, filtering, washing, by filter residue
It is dried to obtain prefabricated material；Hard (china) clay, useless brick powder, adopting iron ore tailings, prefabricated material, recycled plastic granules are uniformly mixed, then
Cement, sodium metasilicate, expanded perlite, bamboo charcoal powder, medical stone, gravel, poly- boric acid ester fiber, porous konilite, calcium nitrate is added
It is uniformly mixed, is subsequently added into water and is uniformly mixed, vibration-extrusion molding, demoulding conserves and obtains high thermal insulation concrete brick.Institute of the present invention
Concrete brick it is light, compression strength and flexural strength are excellent, good heat insulating.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of concrete self-insulating composite lightweight block and its production works
Skill.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of concrete self-insulating composite lightweight block, the constituent including following parts by weight:
It is 100-120 parts of high-strength cement, 40-45 parts of mullite hollow spheres, 10-15 parts of sepiolite powder, 5-10 parts of calcium silicate slag, pre-
5-10 parts of involucrum ardealite, 5-10 parts of aluminous fly-ash, 10-16 parts of silicon powder, 1-5 parts of stalk fibre, basalt fibre 1-5
Part, 0.1-1 parts of sodium carboxymethylcellulose, 15-20 parts of modified epoxy, 4-8 parts of benzoxazine, 0.1-1 parts of water-reducing agent, surface
0.1-1 parts of inorganic agent, 0.1-0.5 parts of curing agent, 1-3 parts of BRC viscosity improver, 80-120 parts of water.
Further, the constituent including following parts by weight:
106 parts of high-strength cement, 42 parts of mullite hollow spheres, 14 parts of sepiolite powder, 8 parts of calcium silicate slag, pre- involucrum ardealite 6
Part, 0.3 part of sodium carboxymethylcellulose, changes 10 parts of aluminous fly-ash, 13 parts of silicon powder, 5 parts of stalk fibre, 2 parts of basalt fibre
Property 18 parts of epoxy resin, 5 parts of benzoxazine, 0.5 part of water-reducing agent, 1 part of surface treating agent, 0.2 part of curing agent, BRC viscosity improvement
3 parts of agent, 100 parts of water.
Further, the constituent including following parts by weight:
100 parts of high-strength cement, 40 parts of mullite hollow spheres, 14 parts of sepiolite powder, 10 parts of calcium silicate slag, pre- involucrum ardealite 6
Part, 0.5 part of sodium carboxymethylcellulose, changes 10 parts of aluminous fly-ash, 12 parts of silicon powder, 2 parts of stalk fibre, 5 parts of basalt fibre
Property 16 parts of epoxy resin, 5 parts of benzoxazine, 0.8 part of water-reducing agent, 1 part of surface treating agent, 0.2 part of curing agent, BRC viscosity improvement
1 part of agent, 85 parts of water.
Further, the mullite hollow spheres the production method is as follows:
Aluminium hydroxide powder, fly ash float, vanadic anhydride powder, aluminum fluoride, hydroxypropyl cellulose be added to from
In sub- water, poly-vinyl alcohol solution is added dropwise after slurry is made in stirring again, continues to stir 20-30min after completion of dropwise addition, with droplet
Form drying-granulating transfers in microwave high-temperature sintering furnace, and furnace cooling is after Isothermal sinter 2-3h at 1100-1200 DEG C
It can.
Further, the pre- involucrum ardealite the production method is as follows:
Forging dehydration 2-3h at 130-140 DEG C of ardealite is first obtained into half water ardealite, granulating disc is recycled to carry out
Aquation is granulated, and finally carries out involucrum processing to obtained ardealite particle with cement, cement and ardealite particle when involucrum is handled
Mass ratio be 1:3-5.
Further, the stalk fibre is sorghum, rice, corn, fiber obtained by wheat or cotton stalk.
Further, the modified epoxy is with the epoxy resin after liquid nbr carboxyl terminal toughening.
Further, the surface treating agent is silane resin acceptor kh-550 or Silane coupling reagent KH-570.
Further, the curing agent is ethylenediamine, hexamethylene diamine, diethylenetriamine, triethylene tetramine, diethylaminopropylamine
In any one.
The production technology of above-mentioned concrete self-insulating composite lightweight block, comprising the following steps:
(1) surface treating agent is added in suitable quantity of water, 40-50 DEG C is warming up to after stirring and dissolving, then mullite is hollow
Ball, sepiolite powder, calcium silicate slag, pre- involucrum ardealite, aluminous fly-ash, silicon powder, stalk fibre, basalt fibre are added, and stir
It is filtered out after mixing 30-50min, is uniformly mixed after 70-80 DEG C of dry 5-10h with high-strength cement, obtains mixture, mixture is put into
Water-reducing agent is added into remaining water, 500-800r/min mechanical stirring 30-50min obtains slurries；
(2) modified epoxy, benzoxazine are blended, slurries are added after being warming up to 80-90 DEG C of stirring 20-30min,
BRC viscosity improver is added again after 1000-1200r/min mechanical stirring 10-15min, 600-800r/min mechanical stirring 10-
It is poured into mold after 200-500r/min mechanical stirring 3-5min is added in curing agent again after 15min, 0.8-1.5MPa, 40-50
It is pressed into embryo block at DEG C, is heated to the taking-up of embryo block to be again heated to 220-230 DEG C of heat preservation 4- after 150-200 DEG C of heat preservation 2-2.5h
5h, cooled to room temperature.
(3) beneficial effect
The present invention provides a kind of concrete self-insulating composite lightweight block and its production technology, have below beneficial to effect
Fruit:
Homemade mullite hollow spheres have good chemical stability and thermal stability, and mechanical strength in the present invention
Height has lower thermal expansion coefficient, can be used as hollow cavity after addition and improves the sound insulation of building block, thermal insulation property, ardealite valence
Lattice are cheap, can reduce production cost as filler addition, after the processing of pre- involucrum, improve with the compatibility of high-strength cement,
And cement shell can wrap the gypsum nucleus for covering and being firmly precipitated, and prevents from being distorted at nucleus precipitation, influences the water resistance of building block
And the crosslink density that resin can be improved is blended in durability, modified epoxy and benzoxazine, improves building block toughness, the present invention
When production, filler first passes through surface treatment in advance, a certain amount of fine gas bubbles and charge is introduced in filler surface, with cement granules
Between generate electrical repulsion buffer action generated to cement granules, prevent cement granules from agglomerating, and in the ball of bubble and floating support
Under effect, facilitate the opposite sliding between cement, filler, improve the workability and compatibility of building block, water-reducing agent is in pectination knot
There is hydrophilic polyether lateral chain in structure, be stretched in aqueous solution, stalk fibre, basalt fibre are as staggered fiber bone
Frame can adhere to for cement and filler, play the role of similar reinforcing bar, the power of concrete self-insulating composite lightweight block of the present invention
Have excellent performance, and thermal coefficient is low, good effect of heat insulation, and density is small, is suitable as construction material use.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
Embodiment 1:
A kind of concrete self-insulating composite lightweight block, the constituent including following parts by weight:
106 parts of high-strength cement, 42 parts of mullite hollow spheres, 14 parts of sepiolite powder, 8 parts of calcium silicate slag, pre- involucrum ardealite 6
Part, 10 parts of aluminous fly-ash, 13 parts of silicon powder, 5 parts of producing fibre from cotton stalk, 2 parts of basalt fibre, sodium carboxymethylcellulose 0.3
Part, with 0.5 part of 5 parts of 18 parts of epoxy resin, benzoxazine, water-reducing agent, the silane after liquid nbr carboxyl terminal toughening modifying
1 part of coupling agent KH-550,0.2 part of diethylaminopropylamine, 3 parts of BRC viscosity improver, 100 parts of water.
Mullite hollow spheres the production method is as follows:
Aluminium hydroxide powder, fly ash float, vanadic anhydride powder, aluminum fluoride, hydroxypropyl cellulose be added to from
In sub- water, poly-vinyl alcohol solution is added dropwise after slurry is made in stirring again, continues to stir 28min after completion of dropwise addition, with the shape of droplet
Formula drying-granulating transfers in microwave high-temperature sintering furnace, furnace cooling after Isothermal sinter 3h at 1150 DEG C.
Pre- involucrum ardealite the production method is as follows:
Forging dehydration 2.5h at 135 DEG C of ardealite is first obtained into half water ardealite, granulating disc is recycled to carry out aquation
It is granulated, involucrum processing finally is carried out to obtained ardealite particle with cement, the matter of cement and ardealite particle when involucrum is handled
Amount is than being 1:4.
The production technology of above-mentioned concrete self-insulating composite lightweight block, comprising the following steps:
(1) surface treating agent is added in suitable quantity of water, is warming up to 50 DEG C after stirring and dissolving, then by mullite hollow spheres,
Sepiolite powder, calcium silicate slag, pre- involucrum ardealite, aluminous fly-ash, silicon powder, stalk fibre, basalt fibre are added, stirring
It is filtered out after 35min, is uniformly mixed after 70 DEG C of dry 6h with high-strength cement, obtains mixture, mixture is put into remaining water
Water-reducing agent is added, 700r/min mechanical stirring 35min obtains slurries；
(2) modified epoxy, benzoxazine are blended, slurries are added after being warming up to 90 DEG C of stirring 25min, 1000r/
BRC viscosity improver is added again after min mechanical stirring 12min, curing agent is added again after 650r/min mechanical stirring 12min
It is poured into mold after 300r/min mechanical stirring 5min, 1MPa, is pressed into embryo block at 45 DEG C, the taking-up of embryo block is heated to 180 DEG C
230 DEG C of heat preservation 4.5h, cooled to room temperature are again heated to after heat preservation 2.3h.
Embodiment 2:
A kind of concrete self-insulating composite lightweight block, the constituent including following parts by weight:
100 parts of high-strength cement, 40 parts of mullite hollow spheres, 14 parts of sepiolite powder, 10 parts of calcium silicate slag, pre- involucrum ardealite 6
Part, 10 parts of aluminous fly-ash, 12 parts of silicon powder, 2 parts of broomcorn straw fiber, 5 parts of basalt fibre, sodium carboxymethylcellulose 0.5
Part, with 0.8 part of 5 parts of 16 parts of epoxy resin, benzoxazine, water-reducing agent, the silane after liquid nbr carboxyl terminal toughening modifying
1 part of coupling agent kh-570,0.2 part of ethylenediamine, 1 part of BRC viscosity improver, 85 parts of water.
Mullite hollow spheres the production method is as follows:
Aluminium hydroxide powder, fly ash float, vanadic anhydride powder, aluminum fluoride, hydroxypropyl cellulose be added to from
In sub- water, poly-vinyl alcohol solution is added dropwise after slurry is made in stirring again, continues to stir 22min after completion of dropwise addition, with the shape of droplet
Formula drying-granulating transfers in microwave high-temperature sintering furnace, furnace cooling after Isothermal sinter 2.2h at 1180 DEG C.
Pre- involucrum ardealite the production method is as follows:
Forging dehydration 3h at 138 DEG C of ardealite is first obtained into half water ardealite, recycles granulating disc to carry out aquation and makes
Grain finally carries out involucrum processing to obtained ardealite particle with cement, the quality of cement and ardealite particle when involucrum is handled
Than for 1:3.
The production technology of above-mentioned concrete self-insulating composite lightweight block, comprising the following steps:
(1) surface treating agent is added in suitable quantity of water, is warming up to 48 DEG C after stirring and dissolving, then by mullite hollow spheres,
Sepiolite powder, calcium silicate slag, pre- involucrum ardealite, aluminous fly-ash, silicon powder, stalk fibre, basalt fibre are added, stirring
It is filtered out after 30min, is uniformly mixed after 72 DEG C of dry 10h with high-strength cement, obtains mixture, mixture is put into remaining water
Water-reducing agent is added, 500r/min mechanical stirring 45min obtains slurries；
(2) modified epoxy, benzoxazine are blended, slurries are added after being warming up to 80 DEG C of stirring 30min, 1000r/
BRC viscosity improver is added again after min mechanical stirring 12min, curing agent is added again after 700r/min mechanical stirring 15min
It is poured into mold after 400r/min mechanical stirring 5min, 1.5MPa, is pressed into embryo block at 45 DEG C, the taking-up of embryo block is heated to 150
DEG C heat preservation 2.5h after be again heated to 225 DEG C of heat preservation 5h, cooled to room temperature.
Embodiment 3:
A kind of concrete self-insulating composite lightweight block, the constituent including following parts by weight:
100 parts of high-strength cement, 40 parts of mullite hollow spheres, 10 parts of sepiolite powder, 5 parts of calcium silicate slag, pre- involucrum ardealite 5
Part, 5 parts of aluminous fly-ash, 10 parts of silicon powder, 1 part of broomcorn straw fiber, 1 part of basalt fibre, sodium carboxymethylcellulose 0.1
Part, with 0.1 part of 4 parts of 15 parts of epoxy resin, benzoxazine, water-reducing agent, the silane after liquid nbr carboxyl terminal toughening modifying
0.1 part of coupling agent KH-550,0.1 part of hexamethylene diamine, 1 part of BRC viscosity improver, 80 parts of water.
Mullite hollow spheres the production method is as follows:
Aluminium hydroxide powder, fly ash float, vanadic anhydride powder, aluminum fluoride, hydroxypropyl cellulose be added to from
In sub- water, poly-vinyl alcohol solution is added dropwise after slurry is made in stirring again, continues to stir 20min after completion of dropwise addition, with the shape of droplet
Formula drying-granulating transfers in microwave high-temperature sintering furnace, furnace cooling after Isothermal sinter 2h at 1100 DEG C.
Pre- involucrum ardealite the production method is as follows:
Forging dehydration 2h at 130 DEG C of ardealite is first obtained into half water ardealite, recycles granulating disc to carry out aquation and makes
Grain finally carries out involucrum processing to obtained ardealite particle with cement, the quality of cement and ardealite particle when involucrum is handled
Than for 1:3.
The production technology of above-mentioned concrete self-insulating composite lightweight block, comprising the following steps:
(1) surface treating agent is added in suitable quantity of water, is warming up to 40 DEG C after stirring and dissolving, then by mullite hollow spheres,
Sepiolite powder, calcium silicate slag, pre- involucrum ardealite, aluminous fly-ash, silicon powder, stalk fibre, basalt fibre are added, stirring
It is filtered out after 30min, is uniformly mixed after 70 DEG C of dry 5h with high-strength cement, obtains mixture, mixture is put into remaining water
Water-reducing agent is added, 500r/min mechanical stirring 30min obtains slurries；
(2) modified epoxy, benzoxazine are blended, slurries are added after being warming up to 80 DEG C of stirring 20min, 1000r/
BRC viscosity improver is added again after min mechanical stirring 10min, curing agent is added again after 600r/min mechanical stirring 10min
It is poured into mold after 200r/min mechanical stirring 3min, 0.8MPa, is pressed into embryo block at 40 DEG C, the taking-up of embryo block is heated to 150
DEG C heat preservation 2h after be again heated to 220 DEG C of heat preservation 4h, cooled to room temperature.
Embodiment 4:
A kind of concrete self-insulating composite lightweight block, the constituent including following parts by weight:
120 parts of high-strength cement, 45 parts of mullite hollow spheres, 15 parts of sepiolite powder, 10 parts of calcium silicate slag, pre- involucrum ardealite 10
Part, 10 parts of aluminous fly-ash, 16 parts of silicon powder, 5 parts of corn stalk fiber, 5 parts of basalt fibre, 1 part of sodium carboxymethylcellulose,
With 1 part of 8 parts of 20 parts of epoxy resin, benzoxazine, water-reducing agent, the silane coupling agent after liquid nbr carboxyl terminal toughening modifying
1 part of KH-570,0.5 part of diethylenetriamine, 3 parts of BRC viscosity improver, 120 parts of water.
Mullite hollow spheres the production method is as follows:
Aluminium hydroxide powder, fly ash float, vanadic anhydride powder, aluminum fluoride, hydroxypropyl cellulose be added to from
In sub- water, poly-vinyl alcohol solution is added dropwise after slurry is made in stirring again, continues to stir 30min after completion of dropwise addition, with the shape of droplet
Formula drying-granulating transfers in microwave high-temperature sintering furnace, furnace cooling after Isothermal sinter 3h at 1200 DEG C.
Pre- involucrum ardealite the production method is as follows:
Forging dehydration 3h at 140 DEG C of ardealite is first obtained into half water ardealite, recycles granulating disc to carry out aquation and makes
Grain finally carries out involucrum processing to obtained ardealite particle with cement, the quality of cement and ardealite particle when involucrum is handled
Than for 1:5.
The production technology of above-mentioned concrete self-insulating composite lightweight block, comprising the following steps:
(1) surface treating agent is added in suitable quantity of water, is warming up to 50 DEG C after stirring and dissolving, then by mullite hollow spheres,
Sepiolite powder, calcium silicate slag, pre- involucrum ardealite, aluminous fly-ash, silicon powder, stalk fibre, basalt fibre are added, stirring
It is filtered out after 50min, is uniformly mixed after 80 DEG C of dry 10h with high-strength cement, obtains mixture, mixture is put into remaining water
Water-reducing agent is added, 800r/min mechanical stirring 50min obtains slurries；
(2) modified epoxy, benzoxazine are blended, slurries are added after being warming up to 90 DEG C of stirring 30min, 1200r/
BRC viscosity improver is added again after min mechanical stirring 15min, curing agent is added again after 800r/min mechanical stirring 15min
It is poured into mold after 500r/min mechanical stirring 5min, 1.5MPa, is pressed into embryo block at 50 DEG C, the taking-up of embryo block is heated to 200
DEG C heat preservation 2.5h after be again heated to 230 DEG C of heat preservation 5h, cooled to room temperature.
Embodiment 5:
A kind of concrete self-insulating composite lightweight block, the constituent including following parts by weight:
100 parts of high-strength cement, 45 parts of mullite hollow spheres, 10 parts of sepiolite powder, 10 parts of calcium silicate slag, pre- involucrum ardealite 5
Part, 10 parts of aluminous fly-ash, 10 parts of silicon powder, 5 parts of wheat straw fiber, 1 part of basalt fibre, 1 part of sodium carboxymethylcellulose,
It is even with 1 part of 4 parts of 15-20 parts of epoxy resin, benzoxazine, water-reducing agent, the silane after liquid nbr carboxyl terminal toughening modifying
Join 0.1 part of agent KH-550,0.1 part of triethylene tetramine, 3 parts of BRC viscosity improver, 80 parts of water.
Mullite hollow spheres the production method is as follows:
Aluminium hydroxide powder, fly ash float, vanadic anhydride powder, aluminum fluoride, hydroxypropyl cellulose be added to from
In sub- water, poly-vinyl alcohol solution is added dropwise after slurry is made in stirring again, continues to stir 20min after completion of dropwise addition, with the shape of droplet
Formula drying-granulating transfers in microwave high-temperature sintering furnace, furnace cooling after Isothermal sinter 2h at 1200 DEG C.
Pre- involucrum ardealite the production method is as follows:
Forging dehydration 2h at 140 DEG C of ardealite is first obtained into half water ardealite, recycles granulating disc to carry out aquation and makes
Grain finally carries out involucrum processing to obtained ardealite particle with cement, the quality of cement and ardealite particle when involucrum is handled
Than for 1:5.
The production technology of above-mentioned concrete self-insulating composite lightweight block, comprising the following steps:
(1) surface treating agent is added in suitable quantity of water, is warming up to 40 DEG C after stirring and dissolving, then by mullite hollow spheres,
Sepiolite powder, calcium silicate slag, pre- involucrum ardealite, aluminous fly-ash, silicon powder, stalk fibre, basalt fibre are added, stirring
It is filtered out after 50min, is uniformly mixed after 70 DEG C of dry 10h with high-strength cement, obtains mixture, mixture is put into remaining water
Water-reducing agent is added, 500r/min mechanical stirring 50min obtains slurries；
(2) modified epoxy, benzoxazine are blended, slurries are added after being warming up to 80 DEG C of stirring 30min, 1000r/
BRC viscosity improver is added again after min mechanical stirring 15min, curing agent is added again after 600r/min mechanical stirring 15min
It is poured into mold after 200r/min mechanical stirring 5min, 0.8MPa, is pressed into embryo block at 50 DEG C, the taking-up of embryo block is heated to 150
DEG C heat preservation 2.5h after be again heated to 220 DEG C of heat preservation 5h, cooled to room temperature.
Embodiment 6:
A kind of concrete self-insulating composite lightweight block, the constituent including following parts by weight:
105 parts of high-strength cement, 42 parts of mullite hollow spheres, 14 parts of sepiolite powder, 8 parts of calcium silicate slag, pre- involucrum ardealite 6
Part, 5 parts of aluminous fly-ash, 16 parts of silicon powder, 5 parts of producing fibre from cotton stalk, 2 parts of basalt fibre, sodium carboxymethylcellulose 0.5
Part, with 0.5 part of 5 parts of 16 parts of epoxy resin, benzoxazine, water-reducing agent, the silane after liquid nbr carboxyl terminal toughening modifying
0.2 part of coupling agent KH-550,0.3 part of ethylenediamine, 2 parts of BRC viscosity improver, 100 parts of water.
Mullite hollow spheres the production method is as follows:
Aluminium hydroxide powder, fly ash float, vanadic anhydride powder, aluminum fluoride, hydroxypropyl cellulose be added to from
In sub- water, poly-vinyl alcohol solution is added dropwise after slurry is made in stirring again, continues to stir 25min after completion of dropwise addition, with the shape of droplet
Formula drying-granulating transfers in microwave high-temperature sintering furnace, furnace cooling after Isothermal sinter 2h at 1150 DEG C.
Pre- involucrum ardealite the production method is as follows:
Forging dehydration 3h at 140 DEG C of ardealite is first obtained into half water ardealite, recycles granulating disc to carry out aquation and makes
Grain finally carries out involucrum processing to obtained ardealite particle with cement, the quality of cement and ardealite particle when involucrum is handled
Than for 1:3.5.
The production technology of above-mentioned concrete self-insulating composite lightweight block, comprising the following steps:
(1) surface treating agent is added in suitable quantity of water, is warming up to 50 DEG C after stirring and dissolving, then by mullite hollow spheres,
Sepiolite powder, calcium silicate slag, pre- involucrum ardealite, aluminous fly-ash, silicon powder, stalk fibre, basalt fibre are added, stirring
It is filtered out after 50min, is uniformly mixed after 75 DEG C of dry 8h with high-strength cement, obtains mixture, mixture is put into remaining water
Water-reducing agent is added, 600r/min mechanical stirring 35min obtains slurries；
(2) modified epoxy, benzoxazine are blended, slurries are added after being warming up to 80 DEG C of stirring 30min, 1100r/
BRC viscosity improver is added again after min mechanical stirring 14min, curing agent is added again after 600r/min mechanical stirring 12min
It is poured into mold after 300r/min mechanical stirring 5min, 1.2MPa, is pressed into embryo block at 45 DEG C, the taking-up of embryo block is heated to 180
DEG C heat preservation 2h after be again heated to 225 DEG C of heat preservation 5h, cooled to room temperature.
Embodiment 7:
A kind of concrete self-insulating composite lightweight block, the constituent including following parts by weight:
120 parts of high-strength cement, 40 parts of mullite hollow spheres, 15 parts of sepiolite powder, 5 parts of calcium silicate slag, pre- involucrum ardealite 10
Part, 5 parts of aluminous fly-ash, 16 parts of silicon powder, 1 part of rice straw fiber, 5 parts of basalt fibre, sodium carboxymethylcellulose 0.1
Part, 1 part of 4 parts of 20 parts of epoxy resin, benzoxazine, water-reducing agent with after liquid nbr carboxyl terminal toughening modifying, silane idol
Join 0.1 part of agent KH-570,0.5 part of diethylenetriamine, 1 part of BRC viscosity improver, 120 parts of water.
Mullite hollow spheres the production method is as follows:
Aluminium hydroxide powder, fly ash float, vanadic anhydride powder, aluminum fluoride, hydroxypropyl cellulose be added to from
In sub- water, poly-vinyl alcohol solution is added dropwise after slurry is made in stirring again, continues to stir 30min after completion of dropwise addition, with the shape of droplet
Formula drying-granulating transfers in microwave high-temperature sintering furnace, furnace cooling after Isothermal sinter 3h at 1100 DEG C.
Pre- involucrum ardealite the production method is as follows:
Forging dehydration 3h at 135 DEG C of ardealite is first obtained into half water ardealite, recycles granulating disc to carry out aquation and makes
Grain finally carries out involucrum processing to obtained ardealite particle with cement, the quality of cement and ardealite particle when involucrum is handled
Than for 1:5.
The production technology of above-mentioned concrete self-insulating composite lightweight block, comprising the following steps:
(1) surface treating agent is added in suitable quantity of water, is warming up to 50 DEG C after stirring and dissolving, then by mullite hollow spheres,
Sepiolite powder, calcium silicate slag, pre- involucrum ardealite, aluminous fly-ash, silicon powder, stalk fibre, basalt fibre are added, stirring
It is filtered out after 50min, is uniformly mixed after 80 DEG C of dry 8h with high-strength cement, obtains mixture, mixture is put into remaining water
Water-reducing agent is added, 500r/min mechanical stirring 30min obtains slurries；
(2) modified epoxy, benzoxazine are blended, slurries are added after being warming up to 80 DEG C of stirring 20min, 1000r/
BRC viscosity improver is added again after min mechanical stirring 12min, curing agent is added again after 700r/min mechanical stirring 12min
It is poured into mold after 500r/min mechanical stirring 3min, 0.8MPa, is pressed into embryo block at 40 DEG C, the taking-up of embryo block is heated to 150
DEG C heat preservation 2h after be again heated to 220 DEG C of heat preservation 4h, cooled to room temperature.
Embodiment 8:
A kind of concrete self-insulating composite lightweight block, the constituent including following parts by weight:
105 parts of high-strength cement, 40 parts of mullite hollow spheres, 10 parts of sepiolite powder, 8 parts of calcium silicate slag, pre- involucrum ardealite 6
Part, 10 parts of aluminous fly-ash, 12 parts of silicon powder, 2 parts of producing fibre from cotton stalk, 5 parts of basalt fibre, sodium carboxymethylcellulose 0.8
Part, with 0.1 part of 5 parts of 16 parts of epoxy resin, benzoxazine, water-reducing agent, the silane after liquid nbr carboxyl terminal toughening modifying
0.1 part of coupling agent KH-550,0.2 part of diethylaminopropylamine, 2 parts of BRC viscosity improver, 100 parts of water.
Mullite hollow spheres the production method is as follows:
Aluminium hydroxide powder, fly ash float, vanadic anhydride powder, aluminum fluoride, hydroxypropyl cellulose be added to from
In sub- water, poly-vinyl alcohol solution is added dropwise after slurry is made in stirring again, continues to stir 30min after completion of dropwise addition, with the shape of droplet
Formula drying-granulating transfers in microwave high-temperature sintering furnace, furnace cooling after Isothermal sinter 3h at 1200 DEG C.
Pre- involucrum ardealite the production method is as follows:
Forging dehydration 3h at 140 DEG C of ardealite is first obtained into half water ardealite, recycles granulating disc to carry out aquation and makes
Grain finally carries out involucrum processing to obtained ardealite particle with cement, the quality of cement and ardealite particle when involucrum is handled
Than for 1:5.
The production technology of above-mentioned concrete self-insulating composite lightweight block, comprising the following steps:
(1) surface treating agent is added in suitable quantity of water, is warming up to 40 DEG C after stirring and dissolving, then by mullite hollow spheres,
Sepiolite powder, calcium silicate slag, pre- involucrum ardealite, aluminous fly-ash, silicon powder, stalk fibre, basalt fibre are added, stirring
It is filtered out after 30min, is uniformly mixed after 70 DEG C of dry 5h with high-strength cement, obtains mixture, mixture is put into remaining water
Water-reducing agent is added, 500r/min mechanical stirring 30min obtains slurries；
(2) modified epoxy, benzoxazine are blended, slurries are added after being warming up to 90 DEG C of stirring 30min, 1200r/
BRC viscosity improver is added again after min mechanical stirring 15min, curing agent is added again after 800r/min mechanical stirring 10min
It is poured into mold after 200r/min mechanical stirring 3min, 1.2MPa, is pressed into embryo block at 45 DEG C, the taking-up of embryo block is heated to 180
DEG C heat preservation 2.2h after be again heated to 220 DEG C of heat preservation 5h, cooled to room temperature.
The following table 1 is the performance test results of concrete self-insulating composite lightweight block prepared by 1-3 of the embodiment of the present invention:
Table 1:
After the following table 2 is 15 Frozen-thawed cycled of concrete self-insulating composite lightweight block prepared by 1-3 of the embodiment of the present invention
The performance test results:
Table 2:
The excellent in mechanical performance of concrete self-insulating composite lightweight block of the present invention, thermal coefficient known to upper table 1, table 2
It is low, good effect of heat insulation, and also density is small, is suitable as construction material use.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of concrete self-insulating composite lightweight block, which is characterized in that the constituent including following parts by weight:
100-120 parts of high-strength cement, 40-45 parts of mullite hollow spheres, 10-15 parts of sepiolite powder, 5-10 parts of calcium silicate slag, pre- involucrum
5-10 parts of ardealite, 5-10 parts of aluminous fly-ash, 10-16 parts of silicon powder, 1-5 parts of stalk fibre, 1-5 parts of basalt fibre, carboxylic
0.1-1 parts of sodium carboxymethylcellulose pyce, 15-20 parts of modified epoxy, 4-8 parts of benzoxazine, 0.1-1 parts of water-reducing agent, surface treatment
0.1-1 parts of agent, 0.1-0.5 parts of curing agent, 1-3 parts of BRC viscosity improver, 80-120 parts of water.
2. concrete self-insulating composite lightweight block as described in claim 1, which is characterized in that including following parts by weight
Constituent:
106 parts of high-strength cement, 42 parts of mullite hollow spheres, 14 parts of sepiolite powder, 8 parts of calcium silicate slag, 6 parts of pre- involucrum ardealite, height
10 parts of aluminium powder coal ash, 13 parts of silicon powder, 5 parts of stalk fibre, 2 parts of basalt fibre, 0.3 part of sodium carboxymethylcellulose, modified ring
18 parts of oxygen resin, 5 parts of benzoxazine, 0.5 part of water-reducing agent, 1 part of surface treating agent, 0.2 part of curing agent, BRC viscosity improver 3
Part, 100 parts of water.
3. concrete self-insulating composite lightweight block as described in claim 1, which is characterized in that including following parts by weight
Constituent:
100 parts of high-strength cement, 40 parts of mullite hollow spheres, 14 parts of sepiolite powder, 10 parts of calcium silicate slag, 6 parts of pre- involucrum ardealite, height
10 parts of aluminium powder coal ash, 12 parts of silicon powder, 2 parts of stalk fibre, 5 parts of basalt fibre, 0.5 part of sodium carboxymethylcellulose, modified ring
16 parts of oxygen resin, 5 parts of benzoxazine, 0.8 part of water-reducing agent, 1 part of surface treating agent, 0.2 part of curing agent, BRC viscosity improver 1
Part, 85 parts of water.
4. concrete self-insulating composite lightweight block as described in claim 1, which is characterized in that the mullite hollow spheres
The production method is as follows:
Aluminium hydroxide powder, fly ash float, vanadic anhydride powder, aluminum fluoride, hydroxypropyl cellulose are added to deionized water
In, poly-vinyl alcohol solution is added dropwise after slurry is made in stirring again, continues to stir 20-30min after completion of dropwise addition, in the form of droplet
Drying-granulating transfers in microwave high-temperature sintering furnace, furnace cooling after Isothermal sinter 2-3h at 1100-1200 DEG C.
5. concrete self-insulating composite lightweight block as described in claim 1, which is characterized in that the pre- involucrum ardealite
The production method is as follows:
Forging dehydration 2-3h at 130-140 DEG C of ardealite is first obtained into half water ardealite, granulating disc is recycled to carry out aquation
It is granulated, involucrum processing finally is carried out to obtained ardealite particle with cement, the matter of cement and ardealite particle when involucrum is handled
Amount is than being 1:3-5.
6. concrete self-insulating composite lightweight block as described in claim 1, which is characterized in that the stalk fibre is height
Fiber obtained by fine strain of millet, rice, corn, wheat or cotton stalk.
7. concrete self-insulating composite lightweight block as described in claim 1, which is characterized in that the modified epoxy is
With the epoxy resin after liquid nbr carboxyl terminal toughening.
8. concrete self-insulating composite lightweight block as described in claim 1, which is characterized in that the surface treating agent is silicon
Alkane coupling agent KH-550 or Silane coupling reagent KH-570.
9. concrete self-insulating composite lightweight block as described in claim 1, which is characterized in that the curing agent is second two
Amine, hexamethylene diamine, diethylenetriamine, triethylene tetramine, any one in diethylaminopropylamine.
10. the production technology of concrete self-insulating composite lightweight block as claimed in any one of claims 1-9 wherein, feature exist
In, comprising the following steps:
(1) surface treating agent is added in suitable quantity of water, is warming up to 40-50 DEG C after stirring and dissolving, then by mullite hollow spheres, sea
Afrodite powder, calcium silicate slag, pre- involucrum ardealite, aluminous fly-ash, silicon powder, stalk fibre, basalt fibre are added, and stir 30-
It is filtered out after 50min, is uniformly mixed after 70-80 DEG C of dry 5-10h with high-strength cement, obtains mixture, mixture is put into surplus
Yu Shuizhong adds water-reducing agent, and 500-800r/min mechanical stirring 30-50min obtains slurries；
(2) modified epoxy, benzoxazine are blended, slurries are added after being warming up to 80-90 DEG C of stirring 20-30min,
BRC viscosity improver is added again after 1000-1200r/min mechanical stirring 10-15min, 600-800r/min mechanical stirring 10-
It is poured into mold after 200-500r/min mechanical stirring 3-5min is added in curing agent again after 15min, 0.8-1.5MPa, 40-50
It is pressed into embryo block at DEG C, is heated to the taking-up of embryo block to be again heated to 220-230 DEG C of heat preservation 4- after 150-200 DEG C of heat preservation 2-2.5h
5h, cooled to room temperature.
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| CN113087858A (en) * | 2021-05-12 | 2021-07-09 | 北京金隅水泥节能科技有限公司 | Shrinkage-reducing polycarboxylate superplasticizer and preparation method thereof |
| CN113929387A (en) * | 2021-10-22 | 2022-01-14 | 昆明理工大学 | Solid waste base high-performance water permeable brick and preparation method thereof |
| CN114133266A (en) * | 2021-11-22 | 2022-03-04 | 三峡大学 | Preparation method of phosphogypsum cavity mould particles and hollow building blocks |
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