CN106116685B

CN106116685B - The method that absorbent-type medical stone red soil clay microballon prepares the porous sponge brick that catchments

Info

Publication number: CN106116685B
Application number: CN201610518645.3A
Authority: CN
Inventors: 张建阔; 郭志东
Original assignee: Shandong University of Technology
Current assignee: Shandong University of Technology
Priority date: 2016-07-05
Filing date: 2016-07-05
Publication date: 2018-07-10
Anticipated expiration: 2036-07-05
Also published as: CN106116685A

Abstract

The present invention provides the method that absorbent-type medical stone red soil clay microballon prepares the porous sponge brick that catchments, and includes the following steps：The dispensing of the porous sponge brick that catchments：15~20wt% of cement, grain size is 100~250 μm of 60~75wt% of the hollow clay microballon of medical stone red soil trepanning, 5~15wt% of sodium metasilicate of modulus 3.2~3.5, 5~the 10wt% of flyash and polyvinyl alcohol high hydroscopic resin 1.5~5.0wt% of fiber proportion samples of loss on ignition 1.1% are 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, demoulding, it dries, the porous sponge brick that catchments is made.

Description

The method that absorbent-type medical stone red soil clay microballon prepares the porous sponge brick that catchments

Technical field

The present invention relates to the methods that absorbent-type medical stone red soil clay microballon prepares the porous sponge brick that catchments, and belong to material Technology is led.

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, Utilize, alleviate drought and water shortage season use water, the thermal capacity of water is big, can absorb heat also can heat release, improve miniclimate.

Invention content

By the use of the hollow clay microballon of medical stone red soil trepanning of trepanning as base-material, using sodium metasilicate as binding agent, water Mud increases mechanical strength and cementation for the porous sponge brick that catchments, and the resin fibre of flyash and polyvinyl alcohol high water absorption is strong Water absorbing agent, red soil main component belong to clay mineral based on kaolinite, and plasticity is strong, and rich in iron-aluminium oxide, high temperature is burnt Compression strength is big after system, and the smaller specific surface area of medical stone grain size is bigger, and adsorption capacity is stronger, medical stone to the heavy metal in water from Son absorption, the cation substantially in medical stone is swapped with the heavy metal cation in water, by ion exchange wheat meal Stone has adsorbed the heavy metal cation in water, adjusts the pH value of water, using dilatant slurry, reduces the density of slurries, manufactured more Hole catchment sponge brick a face in dovetail channel-shaped, the porous moisture for catchmenting the absorption of sponge brick enters dovetail groove, is made by gravity With collector pipe is flowed into again, collector pipe links together the porous sponge brick that catchments, in rainwater catchment to collecting-tank.

Its technical solution is：The method that absorbent-type medical stone red soil clay microballon prepares the porous sponge brick that catchments, first Step, the dispensing of the porous sponge brick that catchments：15~20wt% of cement, grain size are 100~250 μm of hollow potteries of medical stone red soil trepanning Native 60~75wt% of microballon, 5~15wt% of sodium metasilicate of modulus 3.2~3.5,5~10wt% of flyash of loss on ignition 1.1% and poly- The sum of vinyl alcohol high hydroscopic resin 1.5~5.0wt% of fiber, 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 hollow clay microballons of medical stone red soil trepanning in feed bin, and distributing device, cloth are sent by elevator The hollow clay microballon of medical stone red soil trepanning is evenly distributed on governing belt balance by glassware, and spray thrower is by modulus 3.2~3.5 Sodium metasilicate be uniformly sprayed at the outer surface of the hollow clay microballon of medical stone red soil trepanning, the hollow pottery of medical stone red soil trepanning Native microballon enters inside spin drum agitation device with governing belt balance, makes the outer of the hollow clay microballon of each medical stone red soil trepanning Sodium metasilicate is all uniformly adhered on surface, and sodium metasilicate is inorganic bond, is hydrophilic, and cohesive force is strong, intensity is higher, acid resistance, Heat-resist, hydrophilicity does not influence caking property, and mixture is 15~20wt% of cement, grain size is that 100~250 μm of medical stones are red 60~75wt% of the hollow clay microballon of loam trepanning, 5~15wt% of sodium metasilicate of modulus 3.2~3.5, loss on ignition 1.1% fine coal 5~10wt% of ash and polyvinyl alcohol high hydroscopic resin 1.5~5.0wt% of fiber, then by mixture with 0.5~0.7 ratio of mud tune Slurry, ash are mixture, are eventually adding the aluminium powder cream that mixture total weight is 0.2~1.0%, and hydration reaction generation bubble is formed more The slurries of hole expansion water suction, reduce the weight of sponge brick, and polyvinyl alcohol high hydroscopic resin fiber has extremely strong water imbibition, water suction Sponge brick compression strength afterwards is constant；

The preparation of third step, the porous sponge brick that catchments：Expansion water suction slurries prepared by second step, which stir evenly, pours into sea In the die trial of continuous brick press, by 1.2~2.0:1 volume ratio is suppressed, and ratio 1.2~2.0 is the volume before compacting, and ratio 1 is Through striking off, suppressing, demoulding, drying, the porous sponge brick that catchments, a face of the porous sponge brick that catchments is made in pressed volume In dovetail channel-shaped, the porous moisture for catchmenting the absorption of sponge brick enters in dovetail groove, in collector pipe insertion dovetail groove, collector pipe insertion A part of arc surface in dovetail groove is openning shape, and another part arc surface is closed, and rainwater passes through the porous sponge brick that catchments Collect, into dovetail groove, flowed into collector pipe again by the effect of gravity, the single porous sponge brick that catchments is connected to by collector pipe Together, the rainwater that collector pipe collects enters in collecting-tank.

The preparation of the hollow clay microballon of medical stone red soil trepanning：First by 80~200 μm of medical stones of grain size, 200~400 μm Red soil is by weight 20~30:70~85 mixtures stir evenly, and the sum of weight percent of two kinds of components is 100%, mixing Material is sized mixing by 0.5~0.7 ratio of mud, and ash is two kinds of medical stone and red soil into the mixture being grouped as, by centrifugal rotation Injection forms microballon at a high speed, then expands, 1000~1500 DEG C of firings, is quickly cooled down through 800~950 DEG C, forms wall thickness 50~100 μm, grain size is 100~250 μm of the hollow clay microballon of medical stone red soil trepanning, and two kinds of materials of medical stone and red soil mix, By high-temperature firing, modified medical stone and the compound clay resistance to compression microballon of red soil are formd, combination of different materials is modified The chemical property of material is also different, and red soil main component belongs to clay mineral based on kaolinite, and plasticity is strong, rich in iron Aluminum oxide, the iron compound of red soil are red iron and limonite, and compression strength is big after high-temperature firing, the smaller ratio of medical stone grain size Surface area is bigger, and adsorption capacity is stronger, and medical stone is to heavy metal ion adsorbed in water, the cation substantially in medical stone It is swapped with the heavy metal cation in water, the heavy metal cation in water has been adsorbed by ion exchange medical stone, adjusted The pH value of water.

The modulus of sodium metasilicate is most important, and when modulus is more than 3.5, with the increase of modulus, sodium metasilicate, which is hardened, to become fragile, and glues Knot property is deteriorated, and when modulus is less than 3.2, caking property declines.

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 Secondary use.

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 into collector pipe under the action of by gravity.

3rd, aluminium powder cream is added in mixture, forms the slurries of porous expansion, reduces the density of slurries.

4th, the cation in medical stone is swapped with the heavy metal cation in water, is adsorbed by ion exchange medical stone Heavy metal cation in water.

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 1.

In embodiment as shown in Figures 1 to 3, absorbent-type medical stone red soil clay microballon prepares the porous sponge brick that catchments Method, the preparation of the first step, the hollow clay microballon of medical stone red soil trepanning：First by 100 μm of medical stones of grain size, 300 μm it is red Loam is by weight 30:70 mixtures stir evenly, and mixture is sized mixing by 0.6 ratio of mud, are sprayed at a high speed by centrifugal rotation Microballon is formed, then expands, 1250 DEG C of high-temperature firings, be quickly cooled down through 820 DEG C, forms 80 μm of wall thickness, grain size is 150 μm of wheat meal The hollow clay microballon of stone red soil trepanning.

The dispensing of second step, the porous sponge brick that catchments：It is 150 μm of medical stone red soil trepannings to take cement 20wt%, grain size Hollow clay microballon 60wt%, the sodium metasilicate 12wt% of modulus 3.5, the flyash 6wt% of loss on ignition 1.1% and polyvinyl alcohol height are inhaled Water-resin fiber 2.0wt%.

The preparation of third 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 150 μm of hollow clay microballons of medical stone red soil trepanning in feed bin, is sent into distributing device by elevator, distributing device will The hollow clay microballon of medical stone red soil trepanning is evenly distributed on governing belt balance, and spray thrower is equal by the sodium metasilicate of modulus 3.5 The even outer surface for being sprayed at the hollow clay microballon of medical stone red soil trepanning, enters inside spin drum agitation with governing belt balance Device sizes mixing mixture with 0.6 ratio of mud, adds the aluminium powder cream that mixture total weight is 0.5%, hydration reaction generation gas Bubble forms the slurries of porous expansion water suction, reduces the weight of sponge brick, and polyvinyl alcohol high hydroscopic resin fiber has extremely strong suction Aqueous, the sponge brick compression strength after water suction is constant, and medical stone is to heavy metal ion adsorbed in water, substantially in medical stone Cation with water in heavy metal cation carry out ion exchange, the heavy metal in water has been adsorbed by ion exchange medical stone Cation adjusts the pH value of water.

The preparation of the porous sponge brick that catchments of 4th step, absorbent-type：Expansion water suction slurries prepared by second step stir evenly It pours into the die trial of sponge brick press, by 1.5:1 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 of type makees above example according to the present invention Any simple modification, equivalent variations and remodeling, still fall within the protection domain of type technical solution of the present invention.

Claims

1. the method that absorbent-type medical stone red soil clay microballon prepares the porous sponge brick that catchments, includes the following steps：

The dispensing of the first step, the porous sponge brick that catchments：15~20wt% of cement, grain size are opened for 100~250 μm of medical stone red soils Hole 60~75wt% of hollow clay microballon, 5~15wt% of sodium metasilicate of modulus 3.2~3.5, loss on ignition 1.1% flyash 5~ 10wt% and the sum of polyvinyl alcohol high hydroscopic resin 1.5~5.0wt% of fiber, the weight percent of the above components is 100%, wheat The preparation of the hollow clay microballon of meal stone red soil trepanning：First by 80~200 μm of medical stones of grain size, 200~400 μm of red soils by weight Measure ratio 20~30:70~85 mixtures stir evenly, and the sum of weight percent of two kinds of components is 100%, mixture by 0.5~ 0.7 ratio of mud is sized mixing, and ash is two kinds of medical stone and red soil into the mixture being grouped as, by centrifugal rotation injection shape at a high speed It fires, be quickly cooled down into microballon, then through 800~950 DEG C of expansions, 1000~1500 DEG C, form 50~100 μm of wall thickness, grain size is 100~250 μm of the hollow clay microballon of medical stone red soil trepanning；

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 feed bin for 100~250 μm of hollow clay microballons of medical stone red soil trepanning, distributing device, distributing device is sent by elevator The hollow clay microballon of medical stone red soil trepanning is evenly distributed on governing belt balance, spray thrower is by the silicon of modulus 3.2~3.5 Sour sodium is uniformly sprayed at the outer surface of the hollow clay microballon of medical stone red soil trepanning, and the hollow clay of medical stone red soil trepanning is micro- Pearl enters inside spin drum agitation device, then mixture is sized mixing with 0.5~0.7 ratio of mud with governing belt balance, is eventually adding The aluminium powder cream that mixture total weight is 0.2~1.0% stirs evenly, and aluminium powder cream hydration reaction generation bubble forms porous expansion and inhales The slurries of water；

The preparation of third step, the porous sponge brick that catchments：The slurries that porous expansion prepared by second step absorbs water, which stir evenly, to be poured into In the die trial of sponge brick press, through striking off, suppressing, demoulding, drying, the porous sponge brick that catchments is made（1）, porous sponge of catchmenting Brick（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）It is interior A part of arc surface for openning shape, another part arc surface is closed, and rainwater passes through the porous sponge brick that catchments（1）Remittance Collection, into 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 links together, collector pipe（3）The rainwater collected enters in collecting-tank.