CN104326760B - A kind of high-strength high insulation blocks - Google Patents
A kind of high-strength high insulation blocks Download PDFInfo
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- CN104326760B CN104326760B CN201410512936.2A CN201410512936A CN104326760B CN 104326760 B CN104326760 B CN 104326760B CN 201410512936 A CN201410512936 A CN 201410512936A CN 104326760 B CN104326760 B CN 104326760B
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- 238000009413 insulation Methods 0.000 title claims abstract description 31
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 57
- 239000004568 cement Substances 0.000 claims abstract description 34
- 229910052599 brucite Inorganic materials 0.000 claims abstract description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims description 15
- 239000011398 Portland cement Substances 0.000 claims description 14
- 239000002893 slag Substances 0.000 claims description 12
- 239000010881 fly ash Substances 0.000 claims description 6
- 235000007164 Oryza sativa Nutrition 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 5
- 230000000996 additive Effects 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000002956 ash Substances 0.000 claims description 5
- 239000003818 cinder Substances 0.000 claims description 5
- PWZFXELTLAQOKC-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide;tetrahydrate Chemical compound O.O.O.O.[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O PWZFXELTLAQOKC-UHFFFAOYSA-A 0.000 claims description 5
- 229910001701 hydrotalcite Inorganic materials 0.000 claims description 5
- 229960001545 hydrotalcite Drugs 0.000 claims description 5
- 235000009566 rice Nutrition 0.000 claims description 5
- -1 sulfhydryl modified silica Chemical class 0.000 claims description 5
- 229910052902 vermiculite Inorganic materials 0.000 claims description 5
- 239000010455 vermiculite Substances 0.000 claims description 5
- 235000019354 vermiculite Nutrition 0.000 claims description 5
- 239000003638 reducing agent Substances 0.000 claims description 4
- 239000010457 zeolite Substances 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- SMYKVLBUSSNXMV-UHFFFAOYSA-J aluminum;tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Al+3] SMYKVLBUSSNXMV-UHFFFAOYSA-J 0.000 claims description 3
- 229960000892 attapulgite Drugs 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- 229910052625 palygorskite Inorganic materials 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 15
- 239000002184 metal Substances 0.000 abstract description 15
- 150000002500 ions Chemical class 0.000 abstract description 14
- 239000011148 porous material Substances 0.000 abstract description 10
- 239000006004 Quartz sand Substances 0.000 abstract description 7
- 238000010668 complexation reaction Methods 0.000 abstract description 7
- 239000011229 interlayer Substances 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000000377 silicon dioxide Substances 0.000 abstract description 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 239000004570 mortar (masonry) Substances 0.000 description 11
- 239000000843 powder Substances 0.000 description 11
- 229920002379 silicone rubber Polymers 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 241000209094 Oryza Species 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004088 foaming agent Substances 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- LRCFXGAMWKDGLA-UHFFFAOYSA-N dioxosilane;hydrate Chemical compound O.O=[Si]=O LRCFXGAMWKDGLA-UHFFFAOYSA-N 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 206010000269 Abscess Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000295 complement Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000000241 respiratory Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Abstract
The invention discloses a kind of high-strength high insulation blocks, the composition of this building block includes following material: the cement of 20 40 parts by weight, the yellow ground of 5 60 parts by weight and the main exciting agent of 0.1 8 parts by weight；Wherein, described main exciting agent is brucite or houghite.In the formula composition of this building block, the compounding synergy that produces of cement, yellow ground and main exciting agent three: the trace polyvalent metal ion in cement produces complex reaction with main exciting agent, polyvalent metal ion carries out complexation at quartz sand or silicon dioxide water termination again, activated cement and quartz sand surface, change the conventional stacked state of cement, and in system, form huge network chelation structure；Meanwhile, while main exciting agent with polyvalent metal ion generation complexation, the interlayer of main exciting agent is softened, is formed uniformly about about 1 5nm nano-pore；The building block obtained is made to have good strength, heat-insulating property, water-retaining property, application property etc..
Description
Technical field
The present invention relates to construction material, be specifically related to a kind of high-strength high insulation blocks, be the structural material of a kind of body of wall that can not only be used for weighing, again can be as the Multi-functional building block of insulation material.
Background technology
Common building block includes that building-block is many with cinder, gangue, Pumex haydite as coarse aggregate, and with flyash, slag etc. as fine aggregate, with Portland cement as adhesive, the stirring that adds water, molding, maintenance form.
Wherein, in the design of insulation blocks, on the one hand it is to be arranged by the structure of insulation blocks, some voided layers is such as set, extends the modes such as heat bridge to improve the heat-proof quality of insulation blocks；On the other hand it is by improving its heat-proof quality in terms of the material, formula of insulation blocks.In terms of the formula of insulation blocks, it can be common that add some foaming agent in base material mortar and/or some are with the light weight filler of micropore, micropore can be produced after making mortar molding, reduce the dry density of mortar so that it is there is the function of insulation.Such as Authorization Notice No. is that the Chinese patent of CN103274756B discloses a kind of cement fireproof heated board, and it carries out physical blowing by adding foaming agent in mortar, forms closed pore bubble, thus realizes heat-insulating property.Inorganic heat insulation mortar disclosed in the Chinese patent application of the most such as Publication No. CN103011719A is through adding the nanometer vermiculite powder with microcellular structure in mortar and having the flyash of certain porosity, so that this building block has excellent heat-insulating property.
But this two classes insulation blocks or obtain hole by physical blowing or by adding apertures filler, and hole is all micron order, the most all has a following common fault:
One, dry density and heat-proof quality and mechanical strength conflict body: dry density and heat-proof quality increase with the increase of micro content contained by the frothing percentage of building block and Qi Nei, mechanical strength declines with mortar frothing percentage and the increase of micro content, and the micron order hole particularly included is bigger to the intensity effect of building block.This two classes insulation blocks dry density is low, and heat conductivity is little, but comprcssive strength etc. also only have about the 1/4 of conventional insulation blocks comprcssive strength.
Two, building block water retention is low, and water retention is uneven, and the local of building block easily accumulates moisture, breaks out at macrovoid, causes insulation blocks easily because the environment reason such as aqueous vapor produce localized cracks etc..
It is necessary to develop one not only to have there is heat preservation and insulation for this, but also there is good mechanical strength building block.
Summary of the invention
It is an object of the invention to provide one not only to have there is heat preservation and insulation, but also there is good mechanical strength building block.
For achieving the above object, the technical scheme is that a kind of high-strength high insulation blocks, the composition of described building block includes following material: the cement of 20-40 parts by weight, the yellow ground of 5-60 parts by weight and the main exciting agent of 0.1-8 parts by weight；Wherein, described main exciting agent is brucite or houghite.
Compared with prior art, the present invention on the formula of building block, by by cement, yellow ground and main exciting agent three with the use of, three produces synergy.
Wherein brucite or houghite are a kind of metal-oxides with positive charge, and its interlayer is associated by hydrogen bond and the electrostatic force of hydroxyl.When main exciting agent and cement and yellow ground being coordinated, the trace metal ion in cement, as the polyvalent metal ions such as calcium, aluminum, magnesium, ferrum produce complex reaction with main exciting agent.Meanwhile, polyvalent metal ion carries out complexation at quartz sand or silicon dioxide-water termination again, makes cement and quartz sand surface activation.Owing to main exciting agent has powerful adsorption of metal ions effect, each main exciting agent granule can adsorb thousands of polyvalent metal ion, each polyvalent metal ion complexation again silica surface in yellow ground surface and cement, thus in making building block, forming huge network chelation structure, this is that this building block has one of good reason of mechanical strength.
Meanwhile, while main exciting agent with polyvalent metal ion generation complexation, the interlayer distance of main exciting agent is softened, thus in building block, form the nano-pore of about about 1-5nm, and this nano-pore is generally evenly distributed in network chelation structure, it is highly uniform, so that material has uniform and stable heat-insulating property.
And be uniform nano-pore due to formed, therefore the intensity of building block is also much higher than the block strength that routine only produces micrometer grade hole containing the aglite of micrometer grade hole or physical blowing, and this is the second reason that this Self-insulation mortar has good mechanical strength.
In addition, being nanoaperture due to formed, therefore this building block has good water-retaining property and application property, and the metope of formation has good respiratory, compared to containing micro-void, easily the metope that Local Property is uneven occurs, this building block is difficult to the problems such as Local Cracking occur.
In order to improve the mechanical strength of building block, it is preferable that described main exciting agent is nano hydrotalcite.The nanostructured of nano hydrotalcite produces network chelation structure huger, evenly, and then the intensity of raising building block, particularly water-retaining property in allowing to building block.It is further preferred that the particle diameter of described nano hydrotalcite is 5-100 nanometer, advantageously form the compounding of various particle sizes in building block mortar.
In order to improve the nanometer expansion effect of brucite, improve the heat-insulating property of building block, it is preferable that described brucite is the brucite below 500 DEG C after calcining.Select the brucite after calcining below 500 DEG C, this is because this brucite has memory effect, can discharge the aquation of substantial amounts of hydroxyl, beneficially cement and the activation of quartz sand surface while its reminiscence, improve the intensity of building block；Meanwhile while brucite is returned to layer structure by random stacking, volume contraction, also can make the increase in nano-scale range of the building block inner pore, thus improve the heat-insulating property of building block.
For realizing more dominance energy, on formula, it is further preferred that the composition of described building block includes: the cement of 20-30 parts by weight, the yellow ground of 50-60 parts by weight and the main exciting agent of 2-5 parts by weight.
Additionally, in building block forms, may also include the auxiliary exciting agent of 1-3 parts by weight, described auxiliary exciting agent is inorganic silicon rubber powder or the modified organic silicon rubber powder with nanoaperture.Here inorganic silicon rubber powder is a kind of high activity adsorbing material, amorphous substance, while main exciting agent discharges hydroxyl, the hydroxyl of release can produce physical cross-linked network with inorganic silica gel, and this physical cross-linked network is different from network chelation structure mentioned above, thus forms two kinds of heterogeneity network structures in the building block after aquation, both varying environment and stably under performance different, thus both complement each other so that the performance of building block is more stable, is not easily affected by environmental factors.
Preferably, described modified organic silicon rubber powder is sulfhydryl modified silica white.Here sulfhydryl modified silica white can produce good adsorption to the trace polyvalent metal in cement, can effectively improve the intensity of building block.
In order to reduce cost, improve heat-insulating property, in the composition of described building block, the most preferably comprising the aglite of the apertures of 1-20 parts by weight, described aglite can be one or more in vermiculite power, cenosphere, slag, slag, cinder, rice hull ash, attapulgite, kieselguhr, zeolite and flyash.
Described cement can be the one in portland cement, aluminate cement, sulphate aluminium cement, alkali slag cement.
Additionally, in the composition of described building block, also can comprise additive, described additive can be one or more in water reducer, water-retaining agent and retarder.
Advantage of the present invention and having the beneficial effects that:
1, the high-strength high insulation blocks of the present invention is on formula, compounded by cement, yellow ground and main exciting agent three, generation synergy: the trace metal ion in cement, as the polyvalent metal ions such as calcium, aluminum, magnesium, ferrum produce complex reaction with main exciting agent, polyvalent metal ion carries out complexation at quartz sand or silicon dioxide-water termination again, activated cement and quartz sand surface, change the conventional stacked state of cement, and form huge network chelation structure in system；Meanwhile, while main exciting agent with polyvalent metal ion generation complexation, the interlayer distance of main exciting agent is softened, thus is formed uniformly the nano-pore of about about 1-5nm after mortar solidifies in building block.
2, softened due to the interlayer distance of main exciting agent, and the nano-pore formed is different from the conventional micron order hole for aglite contained in mortar, also different from the micron order abscess formed by the foaming of foaming agent material；The nano-pore formed in building block of the present invention is fine and close, uniform, and therefore building block has uniform and stable heat-insulating property.
3, due to huge network chelation structure, and the nano-pore of even compact so that insulation blocks of the present invention has good mechanical strength.
4, being nanoaperture due to formed, therefore this building block is piled up the body of wall of formation and can be gone up glue in advance, directly carry out body of wall post processing, and does not worries coating shedding.
5, owing to being the point of contact using nano level main exciting agent as network structure, the metope piled up with building block of the present invention has well, even breathing；It is difficult to that the problems such as Local Cracking occur.
Above-mentioned five aspects make building block have good mechanical performance, heat-insulating property, water-retaining property, workability etc..
Detailed description of the invention
Below in conjunction with detailed description of the invention, the detailed description of the invention of the present invention is further described.Following example are only used for clearly illustrating technical scheme, and can not limit the scope of the invention with this.
What the present invention produced is a kind of high-strength high insulation blocks.Component and the proportioning of this building block include the following:
(1) cement of 20-40 parts by weight, can select the one in portland cement, aluminate cement, sulphate aluminium cement, alkali slag cement；
(2) yellow ground of 5-60 parts by weight；
(3) the main exciting agent of 0.1-8 parts by weight, can select brucite or houghite (nanometer or micron)；
(4) the auxiliary exciting agent of 0-3 parts by weight, can select inorganic silicon rubber powder or the organically-modified silica white (sulfhydryl modified silica white) with nanoaperture；
(5) the apertures aglite of 0-20 parts by weight, can select one or more in vermiculite power, cenosphere, slag, slag, cinder, rice hull ash, attapulgite, kieselguhr, zeolite and flyash；
(6) additive, can select one or more in water reducer, water-retaining agent and retarder.
During manufacture, some or all of in aforementioned proportion material is proportionally weighed, the most just by uniform to main exciting agent and cement elder generation mix, it is subsequently adding yellow ground and carries out mix, then add other respective components and carry out mix, and add water, can carry out after stirring wiping one's face or pouring into building block.Following block performance is that above-mentioned formula carrys out molded heat insulation brick after following adjustment, by tradition brickmaking technology and carries out the result that performance detection obtains.
Embodiment 1
Adjustment proportioning is as follows:
The portland cement of (1) 40 parts by weight；
The common yellow ground of (2) 5 parts by weight；
(3) the 0.1 main exciting agents of parts by weight, the brucite selecting particle diameter to be 5-100 nanometer.
Building block main performance is: water retention 99.3%, heat conductivity 0.29W/m.K, and comprcssive strength is 17.6MPa, and dry density is 1.751g/cm3。
Embodiment 2
Adjustment proportioning is as follows:
The portland cement of (1) 20 parts by weight；
The common yellow ground of (2) 60 parts by weight；
(3) the 5 main exciting agents of parts by weight, the brucite selecting particle diameter to be 5-100 nanometer.
Building block main performance is: water retention 99.4%, heat conductivity 0.27W/m.K, and comprcssive strength is 16.5MPa, and dry density is 1.721g/cm3。
Embodiment 3
Adjustment proportioning is as follows:
The portland cement of (1) 30 parts by weight；
The common yellow ground of (2) 50 parts by weight；
The main exciting agent of (3) 8 parts by weight, the brucite selecting particle diameter to be 5-100 nanometer.
Building block main performance is: water retention 99.6%, heat conductivity 0.25W/m.K, and comprcssive strength is 13.1MPa, and dry density is 1.668g/cm3。
Embodiment 4
Being with the difference of embodiment 3, in the present embodiment, main exciting agent selects particle diameter to be the houghite of about 100 ~ 200nm, and each composition weight number is constant.
Building block main performance is: water retention 99.3%, heat conductivity 0.25W/m.K, and comprcssive strength is 12.3MPa, and dry density is 1.618g/cm3。
Embodiment 5
Being with the difference of embodiment 3, in the present embodiment, main exciting agent selects the particle diameter after less than 500 DEG C calcinings to be about 5 ~ 100nm brucite, and each composition weight number is constant.
Building block main performance is: water retention 99.7%, heat conductivity 0.23W/m.K, and comprcssive strength is 13.6MPa, and dry density is 1.631g/cm3。
Embodiment 6
Adjustment proportioning is as follows:
The portland cement of (1) 25 parts by weight；
The common yellow ground of (2) 40 parts by weight；
The main exciting agent of (3) 5 parts by weight, the brucite selecting particle diameter to be 5-100 nanometer；
Building block main performance is: water retention 99.7%, heat conductivity 0.25W/m.K, and comprcssive strength is 13.2MPa, and dry density is 1.669g/cm3。
Embodiment 7
Adjustment proportioning is as follows:
The portland cement of (1) 25 parts by weight；
The common yellow ground of (2) 40 parts by weight；
The main exciting agent of (3) 5 parts by weight, the brucite selecting particle diameter to be 5-100 nanometer；
The auxiliary exciting agent of (4) 1 parts by weight, selects the inorganic silicon rubber powder with nanoaperture.
Building block main performance is: water retention 99.8%, heat conductivity 0.24W/m.K, and comprcssive strength is 13.5MPa, and dry density is 1.668g/cm3。
Embodiment 8
Adjustment proportioning is as follows:
The portland cement of (1) 25 parts by weight；
The common yellow ground of (2) 40 parts by weight；
The main exciting agent of (3) 5 parts by weight, the brucite selecting particle diameter to be 5-100 nanometer；
The auxiliary exciting agent of (4) 3 parts by weight, selects sulfhydryl modified silica white；
Building block main performance is: water retention 99.9%, heat conductivity 0.23W/m.K, and comprcssive strength is 13.5MPa, and dry density is 1.665g/cm3。
Embodiment 9
Adjustment proportioning is as follows:
The portland cement of (1) 25 parts by weight；
The common yellow ground of (2) 40 parts by weight；
The main exciting agent of (3) 5 parts by weight, the brucite selecting particle diameter to be 5-100 nanometer；
The auxiliary exciting agent of (4) 2 parts by weight, selects the inorganic silicon rubber powder with nanoaperture.
Building block main performance is: water retention 99.8%, heat conductivity 0.21W/m.K, and comprcssive strength is 13.8MPa, and dry density is 1.663g/cm3。
Embodiment 10
Adjustment proportioning is as follows:
The portland cement of (1) 25 parts by weight；
The common yellow ground of (2) 40 parts by weight；
The main exciting agent of (3) 5 parts by weight, the brucite selecting particle diameter to be 5-100 nanometer；
The auxiliary exciting agent of (4) 2 parts by weight, selects the inorganic silicon rubber powder with nanoaperture；
(5) 1 parts by weight cenospheres.
Building block main performance is: water retention 99.8%, heat conductivity 0.20W/m.K, and comprcssive strength is 13.0MPa, and dry density is 1.654g/cm3。
Embodiment 11
Adjustment proportioning is as follows:
The portland cement of (1) 25 parts by weight；
The common yellow ground of (2) 40 parts by weight；
The main exciting agent of (3) 5 parts by weight, the brucite selecting particle diameter to be 5-100 nanometer；
The auxiliary exciting agent of (4) 2 parts by weight, selects the inorganic silicon rubber powder with nanoaperture；
(5) 3 parts by weight cenospheres；
(6) 3 parts by weight vermiculite powers；
(7) 1 parts by weight flyash；
(8) 2 parts by weight slags；
(9) 2 parts by weight slags；
(10) 2 parts by weight cinders；
(11) 5 parts by weight rice hull ash；
(12) 2 parts by weight attapulgites.
Building block main performance is: water retention 99.7%, heat conductivity 0.14W/m.K, and comprcssive strength is 11.8MPa, and dry density is 1.581g/cm3。
Embodiment 12
Adjustment proportioning is as follows:
The portland cement of (1) 25 parts by weight；
The common yellow ground of (2) 40 parts by weight；
The main exciting agent of (3) 5 parts by weight, the brucite selecting particle diameter to be 5-100 nanometer；
The auxiliary exciting agent of (4) 2 parts by weight, selects the inorganic silicon rubber powder with nanoaperture；
(5) 3 parts by weight cenospheres；
(6) 3 parts by weight kieselguhr；
(7) 5 parts by weight rice hull ash；
(8) 2 parts by weight zeolites；
(9) general concrete admixture, including 0.3 parts by weight water reducer, 0.3 parts by weight water-retaining agent, 0.4 parts by weight retarder.
Building block main performance is: water retention 99.7%, heat conductivity 0.21W/m.K, and comprcssive strength is 12.1MPa, and dry density is 1.621g/cm3。
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, on the premise of without departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (7)
1. a high-strength high insulation blocks, it is characterised in that the composition of described building block includes following material: the cement of 20-40 parts by weight, the yellow ground of 5-60 parts by weight and the main exciting agent of 0.1-8 parts by weight；Wherein, described main exciting agent is brucite or houghite；Described brucite is the brucite below 500 DEG C after calcining；In the composition of described building block, also include the auxiliary exciting agent of 1-3 parts by weight；Described auxiliary exciting agent is the organically-modified silica white with nanoaperture；Organically-modified silica white is sulfhydryl modified silica white.
High-strength high insulation blocks the most as claimed in claim 1, it is characterised in that described main exciting agent is nano hydrotalcite.
High-strength high insulation blocks the most as claimed in claim 2, it is characterised in that the particle diameter of described nano hydrotalcite is 5-100 nanometer.
High-strength high insulation blocks the most as claimed in claim 1, it is characterised in that the composition of described building block includes: the cement of 20-30 parts by weight, the yellow ground of 50-60 parts by weight and the main exciting agent of 2-5 parts by weight.
5. the high-strength high insulation blocks as described in Claims 1-4 any one, it is characterized in that, in the composition of described building block, also comprising the aglite of the apertures of 1-20 parts by weight, described aglite is one or more in vermiculite power, cenosphere, slag, slag, cinder, rice hull ash, attapulgite, kieselguhr, zeolite and flyash.
High-strength high insulation blocks the most as claimed in claim 5, it is characterised in that described cement is the one in portland cement, aluminate cement, sulphate aluminium cement, alkali slag cement.
High-strength high insulation blocks the most as claimed in claim 5, it is characterised in that in the composition of described building block, also comprises additive, and described additive is one or more in water reducer, water-retaining agent and retarder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410512936.2A CN104326760B (en) | 2014-09-29 | A kind of high-strength high insulation blocks |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410512936.2A CN104326760B (en) | 2014-09-29 | A kind of high-strength high insulation blocks |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104326760A CN104326760A (en) | 2015-02-04 |
| CN104326760B true CN104326760B (en) | 2017-01-04 |
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| CN1335277A (en) * | 2000-07-21 | 2002-02-13 | 陶祖华 | Light heat insulating mortar |
| CN103641386A (en) * | 2013-11-08 | 2014-03-19 | 许炜 | Inorganic insulation mortar for building lightweight insulation brick |
| CN103641388A (en) * | 2013-11-08 | 2014-03-19 | 许炜 | Adhesive polystyrene granule exterior wall insulation powder material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1335277A (en) * | 2000-07-21 | 2002-02-13 | 陶祖华 | Light heat insulating mortar |
| CN103641386A (en) * | 2013-11-08 | 2014-03-19 | 许炜 | Inorganic insulation mortar for building lightweight insulation brick |
| CN103641388A (en) * | 2013-11-08 | 2014-03-19 | 许炜 | Adhesive polystyrene granule exterior wall insulation powder material |
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