CN106187031A - Luminous phosphorous peanut straw extrusion granule of inhaling is prepared porous and is catchmented the method for sponge brick - Google Patents
Luminous phosphorous peanut straw extrusion granule of inhaling is prepared porous and is catchmented the method for sponge brick Download PDFInfo
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- CN106187031A CN106187031A CN201610518572.8A CN201610518572A CN106187031A CN 106187031 A CN106187031 A CN 106187031A CN 201610518572 A CN201610518572 A CN 201610518572A CN 106187031 A CN106187031 A CN 106187031A
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- sponge brick
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- particle diameter
- catchmented
- peanut straw
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/027—Lightweight materials
-
- 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
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
-
- 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
- C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
-
- 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
-
- 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
- E01C5/04—Pavings made of prefabricated single units made of bricks
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00284—Materials permeable to liquids
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/80—Optical properties, e.g. transparency or reflexibility
- C04B2111/807—Luminescent or fluorescent materials
Abstract
nullThe present invention provides luminous phosphorous peanut straw extrusion granule of inhaling to prepare porous and catchment the method for sponge brick，Comprise the following steps: porous is catchmented the dispensing of sponge brick: by cement 15～20wt%、Particle diameter is 250～450 m peanut straw extrusion granules 45～65wt%、The sodium silicate 5～15wt% of modulus 3.2～3.5、Particle diameter is 100～200 m calcium oxide 3～5wt%、Particle diameter is 100～200 m silica flours 5～10wt%、The Maifanitum 15～30wt% of High hydrophilous resin fiber 0.5～5.0wt% and particle diameter 100～200 m samples mix homogeneously，To size mixing with the ratio of mud of 0.4～0.7，Add the aluminium powder cream that compound gross weight is 0.2～1.5%，Aluminium powder cream hydration reaction，Form porous and expand water suction serosity，Serosity stirs in the die trial pouring sponge brick press into，Strike off、Compacting、The demoulding、Dry，Make sponge brick.
Description
Technical field
The present invention relates to luminous phosphorous peanut straw extrusion granule of inhaling prepare porous and catchment the method for sponge brick, belong to material
Technology is led.
Background technology
Due to EI Nino and La Nina Phenomenon, there is extreme change in the weather of China, and rainfall distributed pole is uneven, south
North drought and waterlogging are uneven, and in same area, in 1 year, rainfall is the most unequal, and hydropenia has restricted expanding economy and the people
Life, the existing precipitation of Appropriate application, road surface, community, road, the effective precipitation in public leisure square are rationally collected, store,
Utilize, alleviate the use water in drought and water shortage season, significant.
Summary of the invention
Peanut straw be mainly composed of cellulose, hemicellulose and lignin, content of cellulose is high, modified peanut stems
Stalk can adsorb the phosphate anion in water, and phosphate anion is the key factor causing water eutrophication, and the component of material is not
With, modified chemical property is the most different, and contained N, P, K and ash are different, and bentonite is modifying agent and strong adsorbent, right
Heavy metal ion in water also has adsorption, heavy metal ion adsorbed, substantially in Maifanitum in water of Maifanitum
Cation swaps with the heavy metal cation in water, through ion exchange Maifanitum adsorbed in water heavy metal sun from
Son, the pH value of regulation water, cement is that the porous sponge brick that catchments increases mechanical strength and cementation, the tree of polyvinyl alcohol height water suction
Fat fiber is strong water absorbent, uses dilatant slurry, reduces the density of serosity, and a catchment face of sponge brick of the porous made is swallow
Stern notch shape, porous catchment sponge brick absorb moisture enter dovetail groove, flowed into collector pipe again by the effect of gravity, collector pipe will be many
The hole sponge brick that catchments links together, in rainwater catchment to collecting-tank.
Its technical scheme is: luminous phosphorous peanut straw extrusion granule of inhaling is prepared porous and catchmented the method for sponge brick, first
Step, porous are catchmented the dispensing of sponge brick: be peanut straw extrusion modified for 250～450 m by cement 15～20wt%, particle diameter
Grain 45～65wt%, the sodium silicate 5～15wt% of modulus 3.2～3.5, particle diameter are 100～200 m calcium oxide 3～5wt%, particle diameter
It is 100～200 m silica flours 5～10wt%, High hydrophilous resin fiber 0.5～5.0wt% and the Maifanitum 15 of particle diameter 100～200 m
～30wt% sampling, the percentage by weight sum of above each component is 100%；
Second step, porous catchment sponge brick expand water suction serosity preparation: by the first step percentage by weight sample, first by particle diameter
The peanut straw extrusion granule being modified for 250～450 m is put in feed bin, elevator send into distributing device, and distributing device is by modification
Peanut straw extrusion granule be evenly distributed on governing belt balance, the sodium silicate of modulus 3.2～3.5 is uniformly sprayed by spray thrower
At the outer surface of modified peanut straw extrusion granule, entering internal coiling drum agitation device with governing belt balance, sodium silicate is nothing
Machine binding agent, is hydrophilic, and cohesive force is strong, intensity is higher, acid resistance, heat-resist, and hydrophilicity does not affect caking property, mixed
Close and expect that for cement 15～20wt%, particle diameter be peanut straw extrusion granule 45～65wt%, modulus 3.2 modified for 250～450 m
～the sodium silicate 5～15wt% of 3.5, particle diameter be 100～200 m calcium oxide 3～5wt%, particle diameter be 100～200 m silica flours 5～
10wt%, High hydrophilous resin fiber 0.5～5.0wt% and the Maifanitum 15～30wt% of particle diameter 100～200 m, by compound with
The ratio of mud of 0.4～0.7 is sized mixing, and ash is compound, adds the aluminium powder cream that compound gross weight is 0.2～1.5%, and aquation is anti-
Should generate bubble, form porous and expand the serosity of water suction, reduce the weight of sponge brick, polyvinyl alcohol High hydrophilous resin fiber has
Extremely strong water absorption, the sponge brick comprcssive strength after water suction is constant；
3rd step, porous are catchmented the preparation of sponge brick: the expansion water suction serosity prepared by second step stirs and pours sponge brick into
In the die trial of press, by 1.2～2.0:1 volume ratio compactings, ratio 1.2～2.0 is the volume before compacting, and ratio 1 is compacting
After volume, through striking off, suppressing, the demoulding, dry, porous one face of sponge brick of catchmenting is provided with multiple groove, by solar-electricity
Pond plate and LED light emitting diode are placed in groove, and the solar energy of absorption is converted to electrical power storage by solar panel,
LED light emitting diode is luminous by the effect contacting of external force, as lighting installation, uses multiple flexible color, in module
Can also implant different music, by wireless network regular update, when external force disappears, contact disconnects, and porous is catchmented sponge brick
Another face be provided with dovetail channel-shaped, the porous moisture that sponge brick absorbs that catchments enters in dovetail groove, and collector pipe embeds dovetail groove
In, rainwater catchments the collecting of sponge brick through porous, enters in dovetail groove, is flowed into collector pipe, collector pipe again by the effect of gravity
The sponge brick that single porous catchmented links together, and the rainwater that collector pipe collects enters in collecting-tank.
The preparation of modified peanut straw extrusion granule: first peanut straw is pulverized and make particle diameter 200～400 m granule,
Again by peanut straw powder, dimethylformamide, epoxychloropropane and dimethylamine agueous solution by 1～3:12.5～15:8～10:12～
18 sampling mix homogeneously, put into retort, react 3～8 hours at 80～120 DEG C, clean, be dried, and form modified Semen arachidis hypogaeae
Powder of straw, adds particle diameter 100～200 m bentonite, and both by weight percentage 70～85wt%:15～35wt% sampling mixing are all
Even, the percentage by weight sum of two kinds of components is 100%, and compound is pressed the ratio of mud 0.1～0.3 preparation, and compound is modified
Peanut straw granular powder and bentonite, ash is compound, and compound is put in screw mixer and stirred, and enters back into extrusion and makes
Pelletize in grain machine, makes peanut straw extrusion spheroidal particle modified for particle diameter 250～450 m after drying, peanut straw main
Composition is cellulose, hemicellulose and lignin, and content of cellulose is high, and modified peanut straw can adsorb the phosphate radical in water
Ion, phosphate anion is the key factor causing water eutrophication, and bentonite is modifying agent and strong adsorbent, to the weight in water
Metal ion also has adsorption, and the component of material is different, and modified chemical property is the most different, contained N, P, K and ash
Divide also different.
Heavy metal ion adsorbed in water of Maifanitum, the substantially cation in Maifanitum and the heavy metal sun in water
Ion swaps, and has adsorbed the heavy metal cation in water, the pH value of regulation water through ion exchange Maifanitum.
Calcium oxide hydration reaction, produces substantial amounts of heat, and it is as a form of gel for generating calcium hydroxide, with silicon oxide, aluminium oxide life
Becoming calcium silicates, calcium oxide is activator, the activity of excited cement.
A rainwater part for accumulation is pooled in collecting-tank by the porous sponge brick that catchments by collector pipe, and another part penetrates into
In soil, increasing soil water content, in summer high-temperature season, the heat on surface can also be transmitted to by the porous sponge brick that catchments
In soil, sponge brick can reduce the temperature on earth's surface, also can improve surface temperature, and the thermal capacity of water is big, can absorb heat and also can put
Heat.
The present invention has the following advantages.
1, preparation Materials Inorganic environment-friendly materials used by sponge brick, do not result in harm, the recyclable energy of sponge brick to environment
Secondary uses.
2, the resin fibre of the polyvinyl alcohol height water suction of preparation sponge brick is strong water absorbent, can absorb the water on sponge brick surface
Divide and enter inside, when reaching some, fallen to entering in collector pipe by the effect of gravity.
3, in compound, add aluminium powder cream, form the serosity that porous expands, reduce the density of serosity.
4, peanut straw be mainly composed of cellulose, hemicellulose and lignin, content of cellulose is high, modified Semen arachidis hypogaeae
Straw can adsorb the phosphate anion in water, and phosphate anion is the key factor causing water eutrophication.
Accompanying drawing explanation
Fig. 1 is the axle geodesic structure schematic diagram of the sea brick of the embodiment of the present invention.
Fig. 2 is the end TV structure schematic diagram of the sea brick of the embodiment of the present invention.
Fig. 3 is the structural representation that the monolithic sponge brick of the embodiment of the present invention is linked together by collector pipe.
Wherein in figure 1, sponge brick 2, dovetail groove 3, collector pipe 4, LED light emitting diode 5, solaode
Plate.
Detailed description of the invention
Embodiment.
In embodiment as shown in Figures 1 to 3, luminous phosphorous peanut straw extrusion granule of inhaling is prepared porous and is catchmented sponge brick
Method, the first step, the preparation of modified peanut straw extrusion granule: first peanut straw is pulverized and make particle diameter 200 m granular powder,
Peanut straw powder, dimethylformamide, epoxychloropropane and dimethylamine agueous solution are pressed 1:12.5:10:15 and samples mix homogeneously, put
Entering in retort, react 5 hours at 100 DEG C, clean, be dried, form modified peanut straw powder, adding, particle diameter 100 m is swollen
Profit soil, both 80wt%:20wt% by weight percentage sample mix homogeneously, are prepared by the ratio of mud 0.15 by compound, compound
For modified peanut straw granular powder and bentonite, compound is put in screw mixer and is stirred, and enters back into extruding pelletization
Pelletize in machine, makes particle diameter 350 m peanut straw extrusion spheroidal particle after drying.
Second step, porous are catchmented the dispensing of sponge brick: cement 15wt%, particle diameter are peanut straw extrusion modified for 350 m
Grain 45wt%, the sodium silicate 14wt% of modulus 3.2, particle diameter are 150 m calcium oxide 3wt%, particle diameter is 150 m silica flour 5wt%, high suction
Water-resin fiber 3.0wt% and particle diameter are 100 m Maifanitum 15wt%.
3rd step, porous catchment sponge brick expand water suction serosity preparation: by the first step percentage by weight sample, first will
The peanut straw extrusion granule that particle diameter is modified for 350 m is put in feed bin, elevator send into distributing device, and distributing device is by modification
Peanut straw extrusion granule is evenly distributed on governing belt balance, and the sodium silicate of modulus 3.2 is uniformly sprayed at modification by spray thrower
Peanut straw extrusion granule outer surface, with governing belt balance enter internal coiling drum agitation device, by compound with 0.55
The ratio of mud is sized mixing, and adds the aluminium powder cream that compound gross weight is 0.8%, and hydration reaction generates bubble, forms the slurry that porous expands
Liquid, reduces the weight of sponge brick, and polyvinyl alcohol High hydrophilous resin fiber has extremely strong water absorption, the sponge brick resistance to compression after water suction
Intensity is constant.
4th step, porous are catchmented the preparation of sponge brick: the expansion water suction serosity prepared by second step stirs and pours sea into
In the die trial of continuous brick press, suppress by the volume ratio of 1.3:1, through striking off, suppressing, the demoulding, dry, make porous and catchment sponge
Brick 1, porous 1 one faces of sponge brick of catchmenting are provided with groove, solar panel 5 and LED light emitting diode 4 are placed in groove
In, the solar energy of absorption is converted to electrical power storage by solar panel 5, and LED light emitting diode 4 is acted on by external force
Contact point connects luminescence, and catchment another face of sponge brick 1 of porous is provided with dovetail groove 2 shape, and porous is catchmented the water that sponge brick 1 absorbs
In point entrance dovetail groove 2, being installed with collector pipe 3 in dovetail groove 2, rainwater catchments the collecting of sponge brick 1 through porous, enters swallow
In stern notch 2, being flowed into collector pipe 3 again by the effect of gravity, the collector pipe 3 sponge brick 1 that single porous catchmented links together, and catchments
The rainwater that pipe 3 collects enters in collecting-tank, through precipitation, filters, reuses.
The above, be only presently preferred embodiments of the present invention, is not the restriction that the present invention makees other form, appoints
What those skilled in the art changed possibly also with the technology contents of the disclosure above or be modified as equivalent variations etc.
Effect embodiment, every without departing from technical solution of the present invention content, according to the technical spirit of type of the present invention, above example is made
Any simple modification, equivalent variations and remodeling, still fall within the protection domain of type technical scheme of the present invention.
Claims (1)
1. luminous phosphorous peanut straw extrusion granule of inhaling is prepared porous and is catchmented the method for sponge brick, comprises the following steps:
The first step, porous are catchmented the dispensing of sponge brick: be peanut stems modified for 250～450 m by cement 15～20wt%, particle diameter
Stalk extrusion granule 45～65wt%, the sodium silicate 5～15wt% of modulus 3.2～3.5, particle diameter be 100～200 m calcium oxide 3～
5wt%, particle diameter are 100～200 m silica flours 5～10wt%, High hydrophilous resin fiber 0.5～5.0wt% and particle diameter 100～200 m
Maifanitum 15～30wt% samples, and the percentage by weight sum of above each component is 100%；
Second step, porous catchment sponge brick expand water suction serosity preparation: by the first step percentage by weight sample, first by particle diameter
The peanut straw extrusion granule being modified for 250～450 m is put in feed bin, elevator send into distributing device, and distributing device is by modification
Peanut straw extrusion granule be evenly distributed on governing belt balance, the sodium silicate of modulus 3.2～3.5 is uniformly sprayed by spray thrower
At the outer surface of modified peanut straw extrusion granule, modified peanut straw extrusion granule enters internal coiling with governing belt balance
Drum agitation device, sizes mixing compound with the ratio of mud of 0.4～0.7, adds the aluminium powder that compound gross weight is 0.2～1.5%
Cream stirs, and aluminium powder cream hydration reaction generates bubble, forms porous and expands the serosity of water suction；
3rd step, porous are catchmented the preparation of sponge brick: the expansion water suction serosity prepared by second step stirs and pours sponge brick into
In the die trial of press, through striking off, suppressing, the demoulding, drying, make porous and catchment sponge brick (1), porous is catchmented sponge brick (1)
One face is provided with groove, solar panel (5) and LED light emitting diode (4) is placed in groove, solar panel
(5) solar energy of absorption being converted to electrical power storage, LED light emitting diode (4) is connected luminescence by the effect of external force, many
Catchment another face of sponge brick (1), hole is provided with dovetail groove (2) shape, and collector pipe (3) embeds in dovetail groove (2), and rainwater is through too much
Catchmenting the collecting of sponge brick (1) in hole, enters in dovetail groove (2), then flow into collector pipe (3), and single porous is catchmented by collector pipe (3)
Sponge brick (1) links together, and the rainwater that collector pipe (3) collects enters in collecting-tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518572.8A CN106187031B (en) | 2016-07-05 | 2016-07-05 | It shines and inhales the method that phosphorous peanut straw squeezes out the porous sponge brick that catchments of particle preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518572.8A CN106187031B (en) | 2016-07-05 | 2016-07-05 | It shines and inhales the method that phosphorous peanut straw squeezes out the porous sponge brick that catchments of particle preparation |
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| Publication Number | Publication Date |
|---|---|
| CN106187031A true CN106187031A (en) | 2016-12-07 |
| CN106187031B CN106187031B (en) | 2018-07-13 |
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| CN201610518572.8A Expired - Fee Related CN106187031B (en) | 2016-07-05 | 2016-07-05 | It shines and inhales the method that phosphorous peanut straw squeezes out the porous sponge brick that catchments of particle preparation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630395A (en) * | 2017-10-20 | 2018-01-26 | 齐齐哈尔大学 | A kind of maize straw regenerates the permeable Footpath brick of lightweight aggregate concrete |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330318A (en) * | 2015-10-29 | 2016-02-17 | 合肥正拓装饰材料有限公司 | Multi-pore high-strength sintering permeable floor brick |
| CN105367042A (en) * | 2015-10-29 | 2016-03-02 | 合肥正拓装饰材料有限公司 | Environment-friendly permeable floor tile capable of purifying air |
| CN105367126A (en) * | 2015-10-29 | 2016-03-02 | 合肥正拓装饰材料有限公司 | Urban road surface water-permeable brick having sound absorption function |
-
2016
- 2016-07-05 CN CN201610518572.8A patent/CN106187031B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105330318A (en) * | 2015-10-29 | 2016-02-17 | 合肥正拓装饰材料有限公司 | Multi-pore high-strength sintering permeable floor brick |
| CN105367042A (en) * | 2015-10-29 | 2016-03-02 | 合肥正拓装饰材料有限公司 | Environment-friendly permeable floor tile capable of purifying air |
| CN105367126A (en) * | 2015-10-29 | 2016-03-02 | 合肥正拓装饰材料有限公司 | Urban road surface water-permeable brick having sound absorption function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630395A (en) * | 2017-10-20 | 2018-01-26 | 齐齐哈尔大学 | A kind of maize straw regenerates the permeable Footpath brick of lightweight aggregate concrete |
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| CN106187031B (en) | 2018-07-13 |
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