CN106145865B - Filter-type activated carbon prepared from steel slag for the porous sponge brick that catchments method - Google Patents
Filter-type activated carbon prepared from steel slag for the porous sponge brick that catchments method Download PDFInfo
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- CN106145865B CN106145865B CN201610518494.1A CN201610518494A CN106145865B CN 106145865 B CN106145865 B CN 106145865B CN 201610518494 A CN201610518494 A CN 201610518494A CN 106145865 B CN106145865 B CN 106145865B
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- Prior art keywords
- sponge brick
- catchments
- porous sponge
- slag
- porous
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Links
- 239000011449 brick Substances 0.000 title claims abstract description 54
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000002893 slag Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 title claims description 7
- 239000010959 steel Substances 0.000 title claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000002002 slurry Substances 0.000 claims abstract description 16
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 11
- 235000019795 sodium metasilicate Nutrition 0.000 claims abstract description 11
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 239000004411 aluminium Substances 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000006071 cream Substances 0.000 claims abstract description 7
- 239000010881 fly ash Substances 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 7
- 239000004568 cement Substances 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 238000006703 hydration reaction Methods 0.000 claims abstract description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000013019 agitation Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 238000005245 sintering Methods 0.000 description 10
- 229910001385 heavy metal Inorganic materials 0.000 description 8
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 6
- 239000000292 calcium oxide Substances 0.000 description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 150000001555 benzenes Chemical class 0.000 description 4
- 239000011083 cement mortar Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 4
- 239000011325 microbead Substances 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000005995 Aluminium silicate Substances 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 235000012211 aluminium silicate Nutrition 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910001607 magnesium mineral Inorganic materials 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910006295 Si—Mo Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 238000005213 imbibition Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical compound [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-YPZZEJLDSA-N carbon-10 atom Chemical class [10C] OKTJSMMVPCPJKN-YPZZEJLDSA-N 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- BCAARMUWIRURQS-UHFFFAOYSA-N dicalcium;oxocalcium;silicate Chemical compound [Ca+2].[Ca+2].[Ca]=O.[O-][Si]([O-])([O-])[O-] BCAARMUWIRURQS-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- 229910052622 kaolinite Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000019976 tricalcium silicate Nutrition 0.000 description 1
- 229910021534 tricalcium silicate Inorganic materials 0.000 description 1
- 239000003403 water pollutant Substances 0.000 description 1
Classifications
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
-
- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Filtering Materials (AREA)
- Water Treatment By Sorption (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention provides the method that filter-type activity slag prepares the porous sponge brick that catchments, and comprises the following steps：The dispensing of the porous sponge brick that catchments：10~20wt% of cement, 100~250 μm of 45~65wt% of slag perforate cenosphere of grain size, 5~15wt% of sodium metasilicate of modulus 3.2~3.5, 3~10wt% of flyash of loss on ignition 1.1%, 100~150 μm of 10~30wt% of activated carbon of polyvinyl alcohol 0.5~3.0wt% of high hydroscopic resin fiber and grain size, proportion sample is simultaneously uniformly mixed, mixture is sized mixing with 0.5~0.7 ratio of mud, add the aluminium powder cream that mixture total weight is 0.2~1.0%, aluminium powder cream hydration reaction generates bubble, form porous expansion water suction slurries, the expansion water suction slurries of preparation are stirred evenly and are poured into the die trial of sponge brick press, through striking off, compacting, the demoulding, it dries, the porous sponge brick that catchments is made.
Description
Technical field
The present invention relates to filter-type activated carbon prepared from steel slag for the method for the porous sponge brick that catchments, belong to material technology neck.
Background technology
Due to EI Nino and La Nina Phenomenon, there is extreme variation in the weather in China, and rainfall distributed pole is uneven, south
Northern drought and waterlogging are uneven, and rainfall is also extremely unequal in same area, 1 year, and water shortage has restricted expanding economy and the people
Life, rationally using existing precipitation, by cell road surface, road, the effective precipitation in public leisure square rationally collect, store,
It utilizes, alleviate drought and water shortage season uses water, and the thermal capacity of water is big, and can absorb heat also can heat release.
The content of the invention
Slag is common slag, and prepared from steel slag is for perforate cenosphere, containing free calcium oxide and magnesia ore deposit in slag
Object generates expansion in cement mortar later stage process of setting, increases porosity, and activated carbon uses 100~150 μm of grain size, grain size
Smaller specific surface area is bigger, and the activated carbon of filter-type refers to the powerful adsorption function of activated carbon, and activated carbon has adsorptivity and catalysis
Performance has stronger suction to organic pollution such as benzene class chemical combination phenolic compound, oil and the oil product etc. dissolved in water
Attached ability effectively removes the ability of the heavy metal and heavy metal ion in water, also has foreign odor, the peculiar smell removed in water, to thin
Bacterium also has fabulous filtration, and by the use of the slag cenosphere of perforate as base-material, using sodium metasilicate as binding agent, cement is
The porous sponge brick that catchments increases mechanical strength and cementation, and the resin fibre of polyvinyl alcohol high water absorption is strong water absorbent, is used
Dilatant slurry reduces the density of slurries, and a face of the manufactured porous sponge brick that catchments is in dovetail channel-shaped, the porous sponge brick that catchments
The moisture of absorption enters dovetail groove, is flowed into collector pipe again by the effect of gravity, the porous sponge brick that catchments is connected to one by collector pipe
It rises, rainwater catchment is into collecting-tank.
Its technical solution is：Filter-type activated carbon prepared from steel slag for the method for the porous sponge brick that catchments, porous catchment by the first step
The dispensing of sponge brick：10~20wt% of cement, 100~250 μm of 45~65wt% of slag perforate cenosphere of grain size, modulus 3.2~
3.5 5~15wt% of sodium metasilicate, 3~10wt% of flyash of loss on ignition 1.1%, polyvinyl alcohol high hydroscopic resin fiber 0.5~
The sum of 100~150 μm of 10~30wt% of activated carbon of 3.0wt% and grain size, weight percent of the above components are 100%；
The preparation of second step, the porous sponge brick expansion water suction slurries that catchment：It samples by the weight percent of the first step, first will
Grain size is put into for 100~250 μm of slag perforate cenospheres in feed bin, is sent into distributing device by elevator, distributing device opens slag
Hole cenosphere is evenly distributed on governing belt balance, and the sodium metasilicate of modulus 3.2~3.5 is uniformly sprayed at slag and opened by spray thrower
The outer surface of hole cenosphere, slag perforate cenosphere enter in inside spin drum agitation device with governing belt balance, make each
Sodium metasilicate is all uniformly adhered in the outer surface of slag perforate cenosphere, and sodium metasilicate is inorganic bond, is hydrophilic, cohesive force
By force, intensity is higher, acid resistance, heat-resist, and hydrophilicity does not influence caking property, and mixture is 10~20wt% of cement, grain size
100~250 μm of 45~65wt% of slag perforate cenosphere, 5~15wt% of sodium metasilicate of modulus 3.2~3.5, loss on ignitions 1.1%
3~10wt% of flyash, polyvinyl alcohol 0.5~3.0wt% of high hydroscopic resin fiber and 100~150 μm of activated carbon 10 of grain size~
30wt%, then mixture is sized mixing with 0.5~0.7 ratio of mud, ash are mixture, be eventually adding mixture total weight for 0.2~
1.0% aluminium powder cream, hydration reaction generation bubble form the slurries that porous expansion absorbs water, and reduce the weight of sponge brick, polyethylene
Alcohol high hydroscopic resin fiber has extremely strong water imbibition, and the sponge brick compression strength after water suction is constant；
The preparation of the porous sponge brick that catchments of 3rd step, filter-type：Expansion water suction slurries prepared by second step stir evenly
It pours into the die trial of sponge brick press, by 1.2~2.0：1 volume ratio is suppressed, and ratio 1.2~2.0 is the volume before compacting, than
Example 1 is pressed volume, through striking off, suppress, demould, dry, is made the porous sponge brick that catchments, porous to catchment the one of sponge brick
A face is in dovetail channel-shaped, and the porous moisture for catchmenting the absorption of sponge brick enters in dovetail groove, in collector pipe insertion dovetail groove, collector pipe
A part of arc surface in embedded dovetail groove is openning shape, and another part arc surface is closed, and rainwater passes through porous sea of catchmenting
Continuous brick collects, and into dovetail groove, is flowed into collector pipe again by the effect of gravity, collector pipe connects the single porous sponge brick that catchments
It is connected together, the rainwater that collector pipe collects enters in collecting-tank.
The preparation of slag perforate cenosphere：Slag is first processed into 200~400 μm of solid microbeads of grain size, then by grain size
150~300 μm 100~200 μm of kaolin three 65~75wt% by weight percentage of glass micro mist and grain size：10~
25wt%：20~35wt% is uniformly mixed, and the sum of three's weight percent is 100%, is put into forcing press and makes blank and dry, puts
Enter 20~40min of heat preservation sintering in 1000~1500 DEG C of Si-Mo rod high temperature furnace sintering, form agglomerate, glass micro mist increases strong
Degree reduces sintering temperature, and kaolin is strong binding agent, by high temperature modified sintering, containing free calcium oxide and oxidation in slag
Magnesium mineral generates expansion in cement mortar later stage process of setting, increases porosity, calcium oxide hydration generation hydroxide
Pozzolanic reaction can occur under the excitation of the calcium hydroxide of generation for calcium, generate low calcium gel, and the hole of hardened paste is tied
Structure has improved effect, and agglomerate is crushed, and the modified slag solid microbeads of 250~350 μm of grain size is made, by 0.5~0.7
The ratio of mud is sized mixing, and by centrifugal rotation, injection forms microballon at a high speed, then through 800~950 DEG C of expansions, 1000~1500 DEG C fire,
It is quickly cooled down, forms 100~250 μm of 50~100 μm of wall thickness, grain size slag perforate cenospheres.
Activated carbon uses 100~150 μm of grain size, and the smaller specific surface area of grain size is bigger, and the activated carbon of filter-type refers to activated carbon
Powerful adsorption function, activated carbon has adsorptivity and catalytic performance, to the organic pollution such as benzene class hindered phenol dissolved in water
Class compound, oil and oil product etc. have stronger adsorption capacity, effectively remove the heavy metal and heavy metal ion in water
Ability, also have remove water in foreign odor, peculiar smell, also have fabulous filtration to bacterium.
The main ingredient of slag is silica, calcium oxide, iron oxide, dicalcium silicate, tricalcium silicate, and slag can improve slurries
Mobility, compression strength, frost resistance, the contract with dry rate for reducing test block, improve the durability of test block.
Flyash is strong water absorbent, by high temperature sintering, there is higher activity.
A rainwater part for accumulation is pooled to by collector pipe in collecting-tank by the porous sponge brick that catchments, and another part penetrates into
Into soil, increase 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, the temperature on sponge tile floor surface is reduced, the thermal capacity of water is big, and can absorb heat also can heat release.
The present invention has the following advantages.
1st, the Materials Inorganic environment-friendly materials used in sponge brick are prepared, will not be damaged to environment, the recyclable energy of sponge brick
It is used for multiple times.
2nd, it is strong water absorbent to prepare sponge brick flyash and the resin fibre of polyvinyl alcohol high water absorption, can absorb sponge brick table
The moisture in face enters inside, when reaching certain amount, is dropped under the action of by gravity in collector pipe.
3rd, aluminium powder cream is added in mixture, forms the slurries of porous expansion, reduces the density of slurries.
4th, expansion is generated in cement mortar later stage process of setting containing free calcium oxide and oxidation magnesium mineral in slag,
Increase porosity.
5th, activated carbon has adsorptivity and catalytic performance, is the organic pollution such as benzene class chemical combination phenol generalization to being dissolved in water
Closing object, oil and oil product etc. has stronger adsorption capacity, effectively removes the energy of the heavy metal and heavy metal ion in water
Power also has foreign odor, the peculiar smell removed in water, also there is good filtration to bacterium.
Description of the drawings
Fig. 1 is the axis geodesic structure schematic diagram of the sea brick of the embodiment of the present invention.
Fig. 2 is that the bottom of the sea brick of the embodiment of the present invention regards structure diagram.
Fig. 3 is the structure diagram that the monolithic sponge brick of the embodiment of the present invention is linked together by collector pipe.
Wherein 1 in figure, sponge brick 2, dovetail groove 3, collector pipe.
Specific embodiment
Embodiment.
In embodiment as shown in Figures 1 to 3, filter-type activated carbon prepared from steel slag for the porous sponge brick that catchments method,
Slag is first processed into 350 μm of solid microbeads of grain size by one step, then 140 μm of kaolin of glass micro mist and grain size by 200 μm of grain size
Three 65wt% by weight percentage：15wt%：20wt% is uniformly mixed, and is put into forcing press and is made blank and dry, is put into 1200 DEG C
Heat preservation sintering 30min in the sintering of Si-Mo rod high temperature furnace forms agglomerate, and glass micro mist increases intensity, reduces sintering temperature, kaolinite
Soil is strong binding agent, by high temperature modified sintering, displacement reaction, by high temperature modified sintering, containing free calcium oxide in slag
With oxidation magnesium mineral, expansion is generated in cement mortar later stage process of setting, increases porosity, agglomerate is crushed, grain is made
The modified slag solid microbeads in 200 μm of footpath, size mixing by by 0.55 ratio of mud, and by centrifugal rotation, injection forms microballon at a high speed,
Again through 820 DEG C of expansions, 1250 DEG C of high-temperature firings, be quickly cooled down, it is hollow micro- to form 250 μm of 100 μm of wall thickness, grain size slag perforates
Pearl.
The dispensing of second step, the porous sponge brick that catchments：Take 250 μm of cement 15wt%, grain size slag perforate cenospheres
55wt%, the sodium metasilicate 13wt% of modulus 3.5, the flyash 3.0wt% of loss on ignition 1.1% and polyvinyl alcohol high hydroscopic resin fiber
150 μm of activated carbon 12wt% of 2.0wt% and grain size.
The preparation of 3rd step, the porous sponge brick expansion water suction slurries that catchment：It samples by the weight percent of the first step, first will
Grain size is put into for 250 μm of slag perforate cenospheres in feed bin, is sent into distributing device by elevator, distributing device is hollow by slag perforate
Microballon is evenly distributed on governing belt balance, and the sodium metasilicate of modulus 3.5 is uniformly sprayed at slag perforate cenosphere by spray thrower
Outer surface, enter inside spin drum agitation device with governing belt balance, mixture with 0.55 ratio of mud sized mixing, is added mixed
The aluminium powder cream that material total weight is 0.7% is closed, hydration reaction generation bubble forms the slurries of porous expansion water suction, reduces sponge brick
Weight, polyvinyl alcohol high hydroscopic resin fiber have extremely strong water imbibition, and the sponge brick compression strength after water suction is constant, filter-type
Activated carbon refer to the powerful adsorption function of activated carbon, activated carbon has adsorptivity and catalytic performance, is organic to what is dissolved in water
Pollutant such as benzene class chemical combination phenolic compound, oil and oil product etc. have stronger adsorption capacity, effectively remove in water
The ability of heavy metal and heavy metal ion removes foreign odor, peculiar smell in water, also has good filtration to bacterium, using changing
The activated carbon of property enhances the performance of activated carbon.
The preparation of the porous sponge brick that catchments of 4th step, filter-type：Expansion water suction slurries prepared by second step stir evenly
It pours into the die trial of sponge brick press, by 1.6:1 volume ratio compacting, through striking off, suppressing, demoulding, drying, is made porous
Catchment sponge brick 1, and in 2 shape of dovetail groove, the porous moisture for catchmenting the absorption of sponge brick 1 enters in a face of the porous sponge brick 1 that catchments
In dovetail groove 2, collector pipe 3 is installed in dovetail groove 2, rainwater collects by the porous sponge brick 1 that catchments, into dovetail groove 2
It is interior, collector pipe 3 is flowed into again by the effect of gravity, and collector pipe 3 links together the single porous sponge brick 1 that catchments, and collector pipe 3 converges
The rainwater of collection enters in collecting-tank, by precipitating, filtering, reuses.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Embodiment is imitated, every without departing from technical solution of the present invention content, the technical spirit according to type of the present invention makees above example
Any simple modification, equivalent variations and remodeling, still fall within the protection domain of type technical solution of the present invention.
Claims (1)
1. filter-type activated carbon prepared from steel slag comprises the following steps for the method for the porous sponge brick that catchments：
The dispensing of the first step, the porous sponge brick that catchments：100~250 μm of 10~20wt% of cement, grain size slag perforate cenospheres
45~65wt%, 5~15wt% of sodium metasilicate of modulus 3.2~3.5,3~10wt% of flyash of loss on ignition 1.1%, polyvinyl alcohol are high
100~150 μm of 10~30wt% of activated carbon of 0.5~3.0wt% of water-absorbing resin fiber and grain size, the weight percent of the above components
The sum of be 100%；
The preparation of second step, the porous sponge brick expansion water suction slurries that catchment：It is sampled by the weight percent of the first step, first by grain size
It is put into for 100~250 μm of slag perforate cenospheres in feed bin, distributing device is sent by elevator, distributing device is empty by slag perforate
Heart microballon is evenly distributed on governing belt balance, and the sodium metasilicate of modulus 3.2~3.5 is uniformly sprayed at slag perforate sky by spray thrower
The outer surface of heart microballon, slag perforate cenosphere, which enters with governing belt balance in inside spin drum agitation device, to stir evenly, then
Mixture with 0.5~0.7 ratio of mud is sized mixing, it is equal to be eventually adding the aluminium powder cream stirring that mixture total weight is 0.2~1.0%
Even, aluminium powder cream hydration reaction generation bubble forms the slurries that porous expansion absorbs water；
The preparation of 3rd step, the porous sponge brick that catchments：Expansion water suction slurries prepared by second step, which stir evenly, pours into sponge brick
In the die trial of press, through striking off, suppressing, demoulding, drying, the porous sponge brick that catchments is made（1）, the porous sponge brick that catchments（1）
A face be in dovetail groove（2）Shape, collector pipe（3）Embedded dovetail groove（2）It is interior, collector pipe（3）Embedded dovetail groove（2）Interior one
Cyclotomy cambered surface is openning shape, and another part arc surface is closed, and rainwater passes through the porous sponge brick that catchments（1）Collect, enter
Dovetail groove（2）It is interior, entered collector pipe by the effect of gravity（3）, collector pipe（3）By the single porous sponge brick that catchments（1）It is connected to
Together, collector pipe（3）The rainwater collected enters in collecting-tank.
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| CN106145865B true CN106145865B (en) | 2018-06-05 |
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