CN106758670B - A kind of multilayer silicon substrate automatically cleaning water-permeable brick and preparation method thereof - Google Patents
A kind of multilayer silicon substrate automatically cleaning water-permeable brick and preparation method thereof Download PDFInfo
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- CN106758670B CN106758670B CN201611160235.2A CN201611160235A CN106758670B CN 106758670 B CN106758670 B CN 106758670B CN 201611160235 A CN201611160235 A CN 201611160235A CN 106758670 B CN106758670 B CN 106758670B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/06—Pavings made of prefabricated single units made of units with cement or like binders
- E01C5/065—Pavings made of prefabricated single units made of units with cement or like binders characterised by their structure or component materials, e.g. concrete layers of different structure, special additives
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- Structural Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention belongs to the field of building materials, more particularly to a kind of multilayer silicon substrate self-cleaning type water-permeable brick, the multilayer silicon substrate automatically cleaning water-permeable brick includes: porous base course, quick pervious bed, anti-clogging pervious bed, self-cleaning layer from bottom to top, and the thickness proportion of porous base course, quick pervious bed, anti-clogging pervious bed is 6-12: 2-4: 1-3.The invention further relates to the preparation methods of the multilayer silicon substrate automatically cleaning water-permeable brick.
Description
Technical field
The invention belongs to the field of building materials, and in particular to a kind of multilayer silicon substrate self-cleaning type water-permeable brick and its preparation side
Method.
Background technique
Urban road, square are mostly with material-pavings such as traditional cement, pitches.Due to fluid-tight concrete road surface, drip
The interception face in green road surface and various houses and building and cause rainwater penetrability to be obstructed, each city is opened due to long-term excess in addition
Resource of flooding and year after year arid, urban groundwater resource decays year by year, causes Urban Underground water level sharp fall.Meanwhile with
Being increasing for urban population, the road/square of the continuous expansion of construction area, the layings such as urban architecture and cement again will be exhausted
Most of soil closing, prevent valuable natural precipitation increases the load of municipal drainage system, restrict from penetrating into soil
The sustainable development of urban construction.
Water-permeable brick main material is cement and ceramics in the market.Cement water-permeable brick surface layer has very big gap, short
In time can fast permeable speed, and general dust and silt easily block the hole on its surface leads to lose water permeable ability, make pottery
Porcelain water-permeable brick needs sinter molding, can consume mass energy in the process, while can also discharge exhaust gas, not only causes shadow to environment
It rings, cost of manufacture is also relatively high.Common sand base water-permeable brick is not easy to be blocked by bulk silt, but right since surface duct is smaller
There is no resistance in 100 mesh dust below and organic greasy dirt, water permeable ability will soon be lost, and it is extremely difficult be restored to initially
Water permeability.In addition, the intensity of surface layer sand base will be greatly reduced after general sand base water-permeable brick soaks completely, it is easy quilt
Sharp objects leave scratch, cause surface defect.
Most of existing water-permeable brick is all only focused on improving its mechanical strength and water permeability, although having neat and artistic work
With, but dust-proof, antifouling effect is poor, water-permeable brick surface is easy contaminated object blocking, and only simply makes precipitation through brick
Body permeates the ground, and cannot be removed effectively contained pollutant in water, does not have catharsis to the sewage through brick body.
Chinese public patent application CN103103904A is related to a kind of composite water permeable brick, and the water-permeable brick includes permeable surface layer
And porous base course, permeable surface layer and porous base course are closely as one；Bone has been separately included in permeable surface layer and porous base course
The binder of material and bonding aggregate；The aggregate is quartz sand；It is hydrophilic including at least having in binder in the permeable surface layer
Property binder.The permeable hole of the water-permeable brick is easy to be blocked.
Chinese public patent application CN102535725A is related to a kind of water-permeable brick of embedding nano titanium dioxide, uses spray
TiO 2 precursor suspension is uniformly injected in the hole of water-permeable brick matrix by the mode of leaching, is carried out at calcining after dry
The water-permeable brick to get embedding nano titanium dioxide is managed, uniformly inlays anatase type nano dioxy in the hole of resulting water-permeable brick
Change titanium.The water-permeable brick effectively by the infiltration water pollutant of water-permeable brick and some can be attached to brick body surface by photocatalytic degradation
Organic pollutant, while can be with part polluted gas in photocatalytic degradation air.Although the water-permeable brick has certain degradation
Function, but due to being that titanium dioxide is embedded in water-permeable brick matrix pore, this affects water-permeable brick to a certain extent
Water permeability.
Chinese public patent application CN 103132423A is related to a kind of water-permeable brick, the water-permeable brick include porous base course and
It is covered on the permeable surface layer on the porous base course, the porous base course is by the mixing containing the first aggregate and first binder
The cured formation of object, the permeable surface layer be will the cured formation of the mixture containing the second aggregate and the second binder,
Wherein, second binder contains hydrophilic agglomerant, and the water-permeable brick further includes at least one inside porous base course
Two side surfaces of the porous base course are run through in water flow duct, the water flow duct.The design of the water-permeable brick, although permeable base
Layer is internal, and there are water flow ducts, are conducive to permeable, draining, but this will will affect the integral strength of water-permeable brick, be easily damaged.
Chinese public patent application CN 101445340A is related to a kind of self-cleaning water permeable brick, including fabric and base-material, described
Base-material includes rubble or building waste particle or clinker, cement, water, and the fabric includes high-intensitive sand, cement, water, nanoscale
Titanium dioxide, the fabric and one water-permeable brick of base-material composition compacted together are whole, and the self-cleaning water permeable brick is laid with road surface
It can be reduced permeable pore plugging, surface contamination has and lowers pavement temperature and bactericidal effect.But the self-cleaning property of the water-permeable brick
It need to be improved with water permeability.
Chinese utility model patent CN 203530805U is related to a kind of novel water permeable brick, including following porous base course, in
Between permeable surface layer, coating above, it is in fence network structure that permeable surface layer, which is porous and pervious concrete that hole is small,
Porous base course is less porous and the biggish pervious concrete of hole, and the coating in permeable surface layer is coating of titanium dioxide.
In view of the problems of the existing technology, the present invention provides that a kind of intensity is high, permeable speed is fast, can remove itself hole
The water-permeable brick of impurity in road extends the service life of water-permeable brick, reduces influence of the pollutant to ecological environment.The present invention also provides
A kind of preparation method of the water-permeable brick, this method prepare that water-permeable brick process is simple, and production is efficient.
Summary of the invention
The purpose of the present invention is to provide a kind of multilayer silicon substrate automatically cleaning water-permeable bricks.
The present invention is achieved through the following technical solutions.
One aspect of the present invention is related to a kind of multilayer silicon substrate automatically cleaning water-permeable brick, wherein the multilayer silicon substrate automatically cleaning is permeable
Brick includes: from bottom to top
Porous base course,
Quick pervious bed,
Anti-clogging pervious bed, and
Self-cleaning layer；
The porous base course, quick pervious bed, anti-clogging pervious bed thickness proportion be 6-12: 2-4: 1-3, preferably 8-
10:3-4:2-3.Above-mentioned thickness proportion is that inventor obtains by a large number of experiments screening, if quickly pervious bed and anti-clogging
Pervious bed thickness accounting is excessive, then will affect water-permeable brick intensity, compression strength decline；If quick pervious bed and anti-clogging are permeable
Thickness degree accounting is too small, then water-permeable brick will be easy to be blocked, and water penetration can decline.
In multilayer silicon substrate automatically cleaning water-permeable brick of the present invention, wherein the porous base course is by base's aggregate, cement
It is made with water for raw material.
The raw material base aggregate of the porous base course, cement, water weight ratio be 50-200: 5-20: 5-20；Preferably
100-150∶10-15∶7-12。
Base's aggregate is not particularly limited, for example including rubble, building waste, perlite or haydite.
The partial size of base's aggregate is 4-8mm, preferably 5-6mm.
In multilayer silicon substrate automatically cleaning water-permeable brick of the present invention, wherein the quick pervious bed by with surface layer aggregate,
Hydrophilic agglomerant and curing agent are the cylindrical body composition that diameter made from raw material is 1-5mm, length is 5-15mm.The circle
The preferred 2-4mm of the diameter of cylinder, the preferred 8-12mm of length.
The raw material surface layer aggregate of the quick pervious bed, hydrophilic agglomerant, curing agent weight ratio be 30-50: 2-8:
0.5-3, preferably 38-44: 5-7: 1-2.
The surface layer aggregate includes quartz sand, high-strength precoated sand and/or ceramic sand, preferably quartz sand.The surface layer bone
The partial size of material is 0.06-0.3mm, preferably 0.08-0.2mm.
In multilayer silicon substrate automatically cleaning water-permeable brick of the present invention, wherein the anti-clogging pervious bed by surface layer aggregate,
Hydrophilic agglomerant and curing agent are made for raw material.
The raw material surface layer aggregate of the anti-clogging pervious bed, hydrophilic agglomerant, curing agent weight ratio be 30-50: 2-8
: 0.5-3, preferably 38-44: 5-7: 1-2.
The surface layer aggregate includes quartz sand, high-strength precoated sand and/or ceramic sand, partial size 0.06-0.3mm, preferably
0.08-0.2mm。
In multilayer silicon substrate automatically cleaning water-permeable brick of the present invention, wherein the self-cleaning layer is by by nanometer titanium dioxide
The dispersion liquid of titanium and nano-stannic oxide is sprayed on the permeable layer surface of anti-clogging and is formed.
In multilayer silicon substrate automatically cleaning water-permeable brick of the present invention, hydrophilic agglomerant used in each layer and/or solidification
Agent can be identical or different.Wherein, the hydrophilic adhesive includes epoxy resin, acrylic resin or polyurethane；The solidification
Agent includes aliphatic polyamine curing agent, alicyclic polyamine curing agent, phenolic aldehyde, acid anhydrides.
Another aspect of the present invention is related to the preparation method of the layer silicon substrate automatically cleaning water-permeable brick, and specific steps include,
(1) base's aggregate, cement and the water for taking formula ratio are mixed and stirred for uniformly, obtaining porous base course material, for use；Its
This fields such as blender conventional stirring equipment can be used in middle whipping process, and mixing time can be 10-30min.
(2) surface layer aggregate, hydrophilic agglomerant and the curing agent for taking formula ratio are mixed and stirred for uniformly, and are extruded into straight
The cylinder of diameter 1-5mm, length 5-15mm obtain quick permeable layered material, for use；Wherein blender etc. can be used originally in whipping process
Field conventional stirring equipment, mixing time can be 10-30min.The extrusion equipments such as banded extruder can be used in extrusion forming process.
(3) surface layer aggregate, hydrophilic agglomerant and the curing agent for taking formula ratio are mixed and stirred for uniformly, obtaining anti-stifled
Permeable layered material is filled in, for use；Wherein this fields such as blender conventional stirring equipment can be used in whipping process, and mixing time can be
10-30min。
(4) porous base course material, quick permeable layered material, the permeable layered material of anti-clogging are successively poured into mold respectively, use hot pressing
Equipment is suppressed 2-5 minutes at a temperature of 40-60 DEG C, and pressure control is 15-25MPa, preferably suppresses 3-4 at a temperature of 45-55 DEG C
Minute, pressure control is 18-22MPa, obtains multilayer silicon substrate automatically cleaning water-permeable brick semi-finished product；The mold is this field routine mould
Tool, can make by oneself or by commercially available acquisition.The hot-press equipment is also this field conventional equipment.
(5) it will be placed in shady place naturally dry after the demoulding of obtained multilayer silicon substrate automatically cleaning water-permeable brick semi-finished product, 3-6 is small
When, after preferably 4-5 hours, in the dispersion liquid of anti-clogging permeable layer surface sprinkling nano-titanium dioxide and nano-stannic oxide, make
For self-cleaning layer, wherein the weight ratio of nano-titanium dioxide and nano-stannic oxide is 2: 1-1: 2, preferably 1: 1, nanometer two
The concentration of titanium oxide is 5-20wt%, and the concentration of nano-stannic oxide is 5-20wt%.Later, by obtained multilayer silicon substrate from clear
Clean water-permeable brick carries out steam curing, finally obtains multilayer silicon substrate automatically cleaning water-permeable brick finished product.
For the dispersion liquid of nano-titanium dioxide and nano-stannic oxide, since water-permeable brick also passes through after spraying dispersion liquid
The step of steam curing, therefore the concentration of nano-titanium dioxide and nano-stannic oxide in water is not crucial, as long as this
Two kinds of nano materials can disperse in water, form suspension for spray.
In the above-mentioned steps of preparation method of the present invention, wherein step (1)-(3) sequence is not particularly limited, can be any
It exchanges.
Permeable surface layer, is layered by multilayer silicon substrate self-cleaning water permeable brick of the present invention in original structure, for from clearly
The adjustment of clean layer, anti-clogging pervious bed and quick pervious bed, the structure enhances the intensity on water-permeable brick surface layer, and increases it
The performance of fast permeable speed.In addition, addition titanium dioxide and stannic oxide, the two in the sun being capable of catalyzing organics in the feed
Degradation generates carbon dioxide and water, will not pollute environment while restoring water-permeable brick performance, be environment truly
Friendly ecological brick.
Implementing various raw materials, device and/or equipment used in the present invention is known in the art, art technology
Personnel can be readily by commercially available acquisition, or is provided by laboratory where inventor.
[beneficial effect]
The beneficial effects of the present invention are embodied in:
1. the permeable surface layer of multilayer silicon substrate automatically cleaning water-permeable brick of the invention is divided into self-cleaning layer, anti-clogging pervious bed and fast
Permeable speed layer, Multi-layers distributing have better effect, had not only enhanced the intensity on water-permeable brick surface layer, but also increase its fast permeable speed
Performance.
2. the quick pervious bed of multilayer silicon substrate automatically cleaning water-permeable brick of the invention, using sand as raw material, by being extruded into item again
Pervious bed is made, improves water penetration.
3. the self-cleaning layer of multilayer silicon substrate automatically cleaning water-permeable brick of the invention can be in sunlight using photocatalyst as raw material
Irradiation under decompose duct in the presence of pollutant.
4. using heat pressing process when multilayer silicon substrate automatically cleaning water-permeable brick compression moulding of the invention, promote rapid shaping solid
Change, is conducive to brick and improves body intensity.
5. multilayer silicon substrate automatically cleaning water-permeable brick intensity of the invention is high, permeable speed is fast, long service life, reach using year
Processing again can also be recycled after limit to utilize.
Specific embodiment
It will be better understood that the present invention by following embodiments, but the present invention is not limited by following embodiments.
Used equipment, instrument are provided by laboratory in following embodiments, and operating method is those skilled in the art
Known to member.
Embodiment 1
Taking partial size is that perlite 120kg, cement 12kg and the water 10kg of 5mm is obtained permeable with blender mixing 30min
Base's material；
Taking partial size is quartz sand 40kg, bisphenol A type epoxy resin 6kg, the aliphatic polyamine curing agent 2kg of 0.1mm, with stirring
Machine mixing 30min is mixed, the cylinder of average diameter 3mm, length 10mm are then squeezed into banded extruder, obtains quick permeable layered material；
Taking partial size is quartz sand 40kg, bisphenol A type epoxy resin 6kg, the aliphatic polyamine curing agent 2kg of 0.1mm, with stirring
Machine mixing 30min is mixed, the permeable layered material of anti-clogging is obtained；
Successively porous base course material obtained above, quick permeable layered material, the permeable layered material of anti-clogging are poured into mold respectively, made
It is suppressed at 50 °C with hot press 2 minutes, pressure is controlled in 20MPa, multilayer silicon substrate automatically cleaning water-permeable brick semi-finished product are obtained,
Wherein control materials make porous base course, quick pervious bed, anti-clogging pervious bed thickness proportion be 9: 3: 3；
It will be placed in shady place naturally dry after the demoulding of obtained multilayer silicon substrate automatically cleaning water-permeable brick semi-finished product, after 4 hours,
The nano-titanium dioxide and nano-stannic oxide dispersion liquid for being 1:1 in the permeable layer surface sprinkling weight ratio of anti-clogging, as from clearly
Clean layer, and obtained multilayer silicon substrate automatically cleaning water-permeable brick is subjected to steam curing, multilayer silicon substrate of the invention is finally obtained from clear
Clean water-permeable brick finished product.
Embodiment 2
Taking partial size is that rubble 100kg, cement 10kg and the water 8kg of 6mm obtains porous base course with blender mixing 25min
Material；
Taking partial size is quartz sand 38kg, aqueous polyurethane 5kg, the isocyanates 1.5kg of 0.15mm, is mixed with blender
Then 25min is squeezed into the cylinder of average diameter 4mm, length 12mm with banded extruder, obtain quick permeable layered material；
Taking partial size is quartz sand 38kg, aqueous polyurethane 5kg, the isocyanates 1.5kg of 0.15mm, is mixed with blender
25min obtains the permeable layered material of anti-clogging；
Successively porous base course material obtained above, quick permeable layered material, the permeable layered material of anti-clogging are poured into mold respectively, made
It is suppressed 3 minutes at a temperature of 45 DEG C with hot press, pressure is controlled in 19MPa, multilayer silicon substrate automatically cleaning water-permeable brick semi-finished product are obtained,
Wherein control materials make porous base course, quick pervious bed, anti-clogging pervious bed thickness proportion be 10: 4: 3；
It will be placed in shady place naturally dry after the demoulding of obtained multilayer silicon substrate automatically cleaning water-permeable brick semi-finished product, after 4 hours,
The nano-titanium dioxide and nano-stannic oxide dispersion liquid (nano material for being 1:2 in the permeable layer surface sprinkling weight ratio of anti-clogging
Total concentration be 15wt%), as self-cleaning layer, and by obtained multilayer silicon substrate automatically cleaning water-permeable brick carry out steam curing, most
Multilayer silicon substrate automatically cleaning water-permeable brick finished product of the invention is obtained eventually.
Embodiment 3
Taking partial size is that haydite 150kg, cement 14kg and the water 11kg of 5.5mm is obtained permeable with blender mixing 20min
Base's material；
Taking partial size is quartz sand 44kg, carboxy-modified acrylic resin 7kg, the alicyclic polyamine curing agent 2kg of 0.08mm,
With blender mixing 20min, it is then squeezed into the cylinder of average diameter 2mm, length 8mm with banded extruder, obtains quick pervious bed
Material；
Taking partial size is quartz sand 44kg, carboxy-modified acrylic resin 7kg, the alicyclic polyamine curing agent 2kg of 0.08mm,
With blender mixing 20min, the permeable layered material of anti-clogging is obtained；
Successively porous base course material obtained above, quick permeable layered material, the permeable layered material of anti-clogging are poured into mold respectively, made
It is suppressed 4 minutes at a temperature of 55 DEG C with hot press, pressure is controlled in 22MPa, multilayer silicon substrate automatically cleaning water-permeable brick semi-finished product are obtained,
Wherein control materials make porous base course, quick pervious bed, anti-clogging pervious bed thickness proportion be 8: 3: 2；
It will be placed in shady place naturally dry after the demoulding of obtained multilayer silicon substrate automatically cleaning water-permeable brick semi-finished product, after 4 hours,
The nano-titanium dioxide and nano-stannic oxide dispersion liquid (nano material for being 2:1 in the permeable layer surface sprinkling weight ratio of anti-clogging
Total concentration be 5wt%), as self-cleaning layer, and by obtained multilayer silicon substrate automatically cleaning water-permeable brick carry out steam curing, finally
Obtain multilayer silicon substrate automatically cleaning water-permeable brick finished product of the invention.
Embodiment 4
Taking partial size is that building waste 200kg, cement 18kg and the water 16kg of 7mm is obtained with blender mixing 30min
Water base layered material；
Taking partial size is quartz sand 30kg, bisphenol-A epoxy resin 4kg, the aromatic polyamine curing agent of 0.2mm
Then 0.8kg is squeezed into the cylinder of average diameter 3mm, length 9mm with blender mixing 25min with banded extruder, obtain quickly
Permeable layered material；
Taking partial size is quartz sand 30kg, bisphenol-A epoxy resin 4kg, the aromatic polyamine curing agent of 0.2mm
0.8kg obtains the permeable layered material of anti-clogging with blender mixing 25min；
Successively porous base course material obtained above, quick permeable layered material, the permeable layered material of anti-clogging are poured into mold respectively, made
It is suppressed 5 minutes at a temperature of 60 DEG C with hot press, pressure is controlled in 18MPa, multilayer silicon substrate automatically cleaning water-permeable brick semi-finished product are obtained,
Wherein control materials make porous base course, quick pervious bed, anti-clogging pervious bed thickness proportion be 12: 4: 3；
It will be placed in shady place naturally dry after the demoulding of obtained multilayer silicon substrate automatically cleaning water-permeable brick semi-finished product, after 4 hours,
It is that the nano-titanium dioxide of 1:1 and nano-stannic oxide mixed liquor dispersion liquid (are received in the permeable layer surface sprinkling weight ratio of anti-clogging
Rice material total concentration 20wt%), steam curing is carried out as self-cleaning layer, and by obtained multilayer silicon substrate automatically cleaning water-permeable brick,
Finally obtain multilayer silicon substrate automatically cleaning water-permeable brick finished product of the invention.
Embodiment 5
Taking partial size is that perlite 180kg, cement 15kg and the water 12kg of 8mm is obtained permeable with blender mixing 30min
Base's material；
Taking partial size is quartz sand 45kg, glycidyl amine type epoxy resin 7kg, the phthalic anhydride 2.6kg of 0.18mm,
With blender mixing 30min, it is then squeezed into the cylinder of average diameter 5mm, length 15mm with banded extruder, obtains quick pervious bed
Material；
Taking partial size is quartz sand 45kg, glycidyl amine type epoxy resin 7kg, the phthalic anhydride 2.6kg of 0.18mm,
With blender mixing 30min, the permeable layered material of anti-clogging is obtained；
Successively porous base course material obtained above, quick permeable layered material, the permeable layered material of anti-clogging are poured into mold respectively, made
It is suppressed 3 minutes at a temperature of 48 DEG C with hot press, pressure is controlled in 20MPa, multilayer silicon substrate automatically cleaning water-permeable brick semi-finished product are obtained,
Wherein control materials make porous base course, quick pervious bed, anti-clogging pervious bed thickness proportion be 8: 2: 2；
It will be placed in shady place naturally dry after the demoulding of obtained multilayer silicon substrate automatically cleaning water-permeable brick semi-finished product, after 4 hours,
The nano-titanium dioxide and nano-stannic oxide dispersion liquid for being 2:1 in the permeable layer surface sprinkling weight ratio of anti-clogging, as from clearly
Clean layer, and obtained multilayer silicon substrate automatically cleaning water-permeable brick is subjected to steam curing, multilayer silicon substrate of the invention is finally obtained from clear
Clean water-permeable brick finished product.
Embodiment 6
Taking partial size is that haydite 80kg, cement 7kg and the water 6kg of 5mm obtains porous base course with blender mixing 30min
Material；
Taking partial size is quartz sand 30kg, polyurethane 4kg, the biuret polyisocyanate 0.7kg of 0.09mm, mixed with blender
25min is closed, the cylinder of average diameter 2mm, length 8mm are then squeezed into banded extruder, obtains quick permeable layered material；
Taking partial size is quartz sand 30kg, polyurethane 4kg, the biuret polyisocyanate 0.7kg of 0.09mm, mixed with blender
30min is closed, the permeable layered material of anti-clogging is obtained；
Successively porous base course material obtained above, quick permeable layered material, the permeable layered material of anti-clogging are poured into mold respectively, made
It is suppressed 4 minutes at a temperature of 46 DEG C with hot press, pressure is controlled in 22MPa, multilayer silicon substrate automatically cleaning water-permeable brick semi-finished product are obtained,
Wherein control materials make porous base course, quick pervious bed, anti-clogging pervious bed thickness proportion be 7: 3: 2；
It will be placed in shady place naturally dry after the demoulding of obtained multilayer silicon substrate automatically cleaning water-permeable brick semi-finished product, after 4 hours,
The nano-titanium dioxide and nano-stannic oxide dispersion liquid for being 1:1 in the permeable layer surface sprinkling weight ratio of anti-clogging, as from clearly
Clean layer, and obtained multilayer silicon substrate automatically cleaning water-permeable brick is subjected to steam curing, multilayer silicon substrate of the invention is finally obtained from clear
Clean water-permeable brick finished product.
Comparative example 1
Compared with the present invention, lack quick pervious bed, specific as follows with materials with embodiment 1:
Taking partial size is that perlite 120kg, cement 12kg and the water 10kg of 5mm is obtained permeable with blender mixing 30min
Base's material；
Taking partial size is quartz sand 40kg, bisphenol A type epoxy resin 6kg, the aliphatic polyamine curing agent 2kg of 0.1mm, with stirring
Machine mixing 30min is mixed, permeable surface layer material is obtained；
Porous base course material obtained above, permeable surface layer material are successively poured into mold respectively, using hot press in 50 DEG C of temperature
The lower compacting of degree 2 minutes, pressure is controlled in 20MPa, obtains water-permeable brick semi-finished product, wherein control materials make porous base course, permeable
The thickness proportion on surface layer is 3: 1；
It will be placed in shady place naturally dry after the demoulding of obtained water-permeable brick semi-finished product, after 4 hours, in anti-clogging pervious bed
Surface sprays weight ratio and is the nano-titanium dioxide and nano-stannic oxide dispersion liquid of 1:1, and obtained water-permeable brick is steamed
Vapour maintenance, finally obtains a kind of automatically cleaning water-permeable brick finished product.
Test case
The side according to as defined in Section 6.6 in the People's Republic of China building material industry standard JC/T 945-2005 " water-permeable brick "
Method measures the water permeability of 1-6 of the embodiment of the present invention and 1 water-permeable brick of comparative example,
According to resistance to compression as defined in appendix A in the People's Republic of China building material industry standard JC/T 945-2005 " water-permeable brick "
Strength Testing Methods measure the compression strength of 1-6 of the embodiment of the present invention and 1 water-permeable brick of comparative example.
Measurement result see the table below 1.
1 water-permeable brick performance measurement of table
| Sample | Compression strength | Coefficient of permeability (15 DEG C of water temperature) |
| Embodiment 1 | 50.2MPa | 8.5×10-2cm/s |
| Embodiment 2 | 48.7MPa | 8.1×10-2cm/s |
| Embodiment 3 | 47.5MPa | 7.9×10-2cm/s |
| Embodiment 4 | 46.8MPa | 7.8×10-2cm/s |
| Embodiment 5 | 47.0MPa | 7.5×10-2cm/s |
| Embodiment 6 | 46.5MPa | 7.7×10-2cm/s |
| Comparative example 1 | 45.1MPa | 3.5×10-2cm/s |
* 5 pieces of water-permeable bricks are measured, are averaged.
The above results can be seen that the present invention comprising porous base course material, quickly permeable layered material, anti-clogging pervious bed and from
The multilayer silicon substrate self-cleaning type water-permeable brick of clean layer, relative to the biography only containing porous base course, permeable surface layer and self-cleaning layer
It unites for water-permeable brick, compression strength is suitable, or is increased slightly, but coefficient of permeability greatly increases, and can obviously increase water penetration.
The present invention is described by specific embodiment.But examples detailed above is only to of the invention further
It explains, is not limitation of the invention, by the way that above scheme progress is simply adjusted the scheme obtained from, be not detached from
Spirit of the invention is regarded as being included within the scope of the present invention.
Claims (7)
1. a kind of multilayer silicon substrate automatically cleaning water-permeable brick, it is characterised in that the multilayer silicon substrate automatically cleaning water-permeable brick wraps from bottom to top
It includes: porous base course, quick pervious bed, anti-clogging pervious bed, self-cleaning layer, and porous base course, quick pervious bed, anti-clogging are permeable
The thickness proportion of layer is 6-12: 2-4: 1-3；
The porous base course is made by base's aggregate, cement and water for raw material, and raw material base aggregate, the water of the porous base course
Mud, water weight ratio be 50-200: 5-20: 5-20；The quick pervious bed is by with surface layer aggregate, hydrophilic agglomerant and solid
Agent is diameter made from raw material is 1-5mm, length is 5-15mm cylindrical body composition, and the raw material of the quick pervious bed
Surface layer aggregate, hydrophilic agglomerant, curing agent weight ratio be 30-50: 2-8: 0.5-3；The anti-clogging pervious bed is by surface layer
Aggregate, hydrophilic agglomerant and curing agent are made for raw material, and the raw material surface layer aggregate of the anti-clogging pervious bed, hydrophily
Binder, curing agent weight ratio be 30-50: 2-8: 0.5-3；The self-cleaning layer is by by nano-titanium dioxide and nano-silica
The dispersion liquid for changing tin is sprayed on the permeable layer surface of anti-clogging and is formed；
The preparation method of the multilayer silicon substrate automatically cleaning water-permeable brick the following steps are included:
(1) base's aggregate, cement and the water for taking formula ratio are mixed and stirred for uniformly, obtaining porous base course material, for use；
(2) surface layer aggregate, hydrophilic agglomerant and the curing agent for taking formula ratio are mixed and stirred for uniformly, and are extruded into diameter 1-
The cylinder of 5mm, length 5-15mm obtain quick permeable layered material, for use；
(3) surface layer aggregate, hydrophilic agglomerant and the curing agent for taking formula ratio are mixed and stirred for uniformly, it is saturating obtaining anti-clogging
Water layer material, for use；
(4) porous base course material, quick permeable layered material, the permeable layered material of anti-clogging are successively poured into mold respectively, use hot-press equipment
Suppressed 2-5 minutes at a temperature of 40-60 DEG C, pressure control is 15-25MPa, obtain multilayer silicon substrate automatically cleaning water-permeable brick half at
Product；
(5) shady place naturally dry will be placed in after the demoulding of obtained multilayer silicon substrate automatically cleaning water-permeable brick semi-finished product, 3-6 hours
Afterwards, the dispersion liquid of surface sprinkling nano-titanium dioxide and nano-stannic oxide, as self-cleaning layer, later, the multilayer that will be obtained
Silicon substrate automatically cleaning water-permeable brick carries out steam curing, finally obtains multilayer silicon substrate automatically cleaning water-permeable brick finished product.
2. multilayer silicon substrate automatically cleaning water-permeable brick according to claim 1, it is characterised in that base's aggregate include rubble,
Building waste, perlite or haydite, partial size 4-8mm.
3. multilayer silicon substrate automatically cleaning water-permeable brick according to claim 1, it is characterised in that the surface layer aggregate includes quartz
Sand, high-strength precoated sand and/or ceramic sand, partial size 0.06-0.3mm.
4. multilayer silicon substrate automatically cleaning water-permeable brick according to claim 1, which is characterized in that
The hydrophilic agglomerant of the quick pervious bed and the hydrophilic agglomerant of the anti-clogging pervious bed are identical or different.
5. multilayer silicon substrate automatically cleaning water-permeable brick according to claim 1, which is characterized in that the solidification of the quick pervious bed
Agent and the curing agent of the anti-clogging pervious bed are identical or different.
6. multilayer silicon substrate automatically cleaning water-permeable brick according to claim 4, it is characterised in that the hydrophilic adhesive includes ring
Oxygen resin, acrylic resin or polyurethane.
7. multilayer silicon substrate automatically cleaning water-permeable brick according to claim 5, it is characterised in that the curing agent includes aliphatic
Polyamine curing agent, alicyclic polyamine curing agent, phenolic aldehyde or acid anhydrides.
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| CN107503261B (en) * | 2017-08-10 | 2019-07-02 | 长安大学 | A kind of combined type pitch cooling road surface and its construction method |
| CN107759132A (en) * | 2017-10-31 | 2018-03-06 | 同济大学 | A kind of novel high-performance sand base automatically cleaning water-permeable brick and preparation method thereof |
| CN110130176A (en) * | 2018-02-08 | 2019-08-16 | 清远市美邦陶瓷实业有限公司 | A kind of preparation process of porcelain water-permeable brick |
| CN108715524A (en) * | 2018-06-08 | 2018-10-30 | 长春玛莎建材有限公司 | A kind of the permeable of complex sand base blocks dirty slot and the preparation method and application thereof |
| CN109608101A (en) * | 2018-12-19 | 2019-04-12 | 阜阳市鑫源建材有限公司 | A kind of self-cleaning water-permeable brick in road surface |
| CN110028293B (en) * | 2019-05-24 | 2021-08-27 | 河北麦森钛白粉有限公司 | Amorphous nano titanium dioxide sandwich pavement brick and preparation method thereof |
| CN110590283A (en) * | 2019-09-26 | 2019-12-20 | 重庆大学 | Preparation method of thin-layer blockage-dredging water-permeable product |
| CN112979240A (en) * | 2021-02-07 | 2021-06-18 | 重庆大学 | High-reflectivity water permeable brick |
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| CN1966861B (en) * | 2006-09-30 | 2012-03-28 | 北京仁创科技集团有限公司 | Composite water permeable brick |
| KR20090126365A (en) * | 2008-06-04 | 2009-12-09 | (주)휴먼네이쳐텍 | A high elasticity footway block mat having marble pattern and manufacturing method the same |
| CN101445340B (en) * | 2008-12-30 | 2011-06-08 | 程卫国 | Self-cleaning water permeable brick and preparation method thereof |
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| CN202031260U (en) * | 2011-04-27 | 2011-11-09 | 浙江舜杰建筑集团股份有限公司 | Roofing waterproofing plate |
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