CN105254236B - Water-permeable brick and making method thereof - Google Patents
Water-permeable brick and making method thereof Download PDFInfo
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- CN105254236B CN105254236B CN201510599110.9A CN201510599110A CN105254236B CN 105254236 B CN105254236 B CN 105254236B CN 201510599110 A CN201510599110 A CN 201510599110A CN 105254236 B CN105254236 B CN 105254236B
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- water
- permeable brick
- slag
- activated carbon
- permeable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The invention relates to a water-permeable brick and a making method thereof. Raw materials of the water-permeable brick comprise steel slag, cement, an inorganic mixture, a coloring agent, water and active carbon, a mass ratio of the steel slag to the active carbon is 6.5-28, and the sum of mass percentages of the steel slag and the active carbon is not smaller than 70%. The inorganic mixture can be an FC surfactant, and mainly comprises a calcium ion compound, an alkali metal compound and halogen. The making method of the water-permeable brick comprises the steps of stirring, rolling crushing, pressure molding, and maintaining. The method guarantees the compressive strength of the water-permeable brick and makes the water-permeable brick have very strong water permeability and moisture retention; and the steel slag and the active carbon form a plurality of tiny batteries, so release of iron ions is promoted, and adsorption and separation effects of pollutants in permeable water are reached.
Description
Technical field
The present invention relates to a kind of water-permeable brick and its manufacture method, more particularly to it is a kind of can purifying water body water-permeable brick and its system
Make method.
Background technology
With expanding economy, the quickening of urban modernization pace of construction, most cities occur groundwater resources in succession
Shortage, tropical island effect etc..Research finds that these problems are all with natural soils vegetation in urban construction constantly by building and various
Waterproof covered ground is relevant.The waterproof ground scale in domestic many cities more than 70%, change it is original natively
The attribute of face permeability, greatly destroys ecological environment.
Water-permeable brick is laid on ground there is obvious action to improving environmental quality, reducing scorching, reservation water resource etc..Mesh
Before, road surface water-permeable brick adopts cement with sandstone for base stock mostly, and Jing meterings, the stirring that adds water, molding maintenance are processed.
Although water-permeable brick, Water absorption brick etc. have all been laid in the road surface such as the parking stall in many cities, footpath now, due to technology or aggregate
The problems such as selection, these bricks are caused to be difficult to balance in infiltration, between moisturizing and comprcssive strength.For example：Infiltration effect it is good but intolerant to
Pressure, can not be added to subsoil water in air through water-permeable brick by evaporation when dry season, it is impossible to alleviate " heat island in time
Effect ", moisture retention are very poor etc..
Patent document CN100503505C discloses a kind of concrete permeable brick of utilization steel slag as aggregate, comprising weight hundred
Divide the following component than meter：The crush values of the 70-85% slag that free calcium oxide content is less than 3% simultaneously less than 5%；10-
25% 52.5 low alkali cements；The reinforcing agent of 0.5-6%；The pigment of 0-3%；The water of 3.5-5%.Slag, cement, enhancing
Agent, pigment and water are classified after mixing in two blenders, and using secondary material distributing technique, it is saturating that last molding obtains the concrete
Water brick, ceramic-like water-permeable brick high cost, the power consumption for solving existing junction type are high, and the water penetration and comprcssive strength of cement water-permeable brick are not
The problem that can be taken into account, also uses metallurgical solid waste slag, solves the wasting of resources that slag causes and environmental pollution
Problem, full ecology steel slag concrete water-permeable brick not only excellent water permeability, and also comprcssive strength is very high.It is permeable in the patent document
Although brick has preferable water penetration, water-retaining property is poor, and can not effectively alleviate tropical island effect.
Patent document CN103541288A discloses a kind of high-performance environment-friendly water-permeable brick, including permeable top layer and permeable base
Layer, porous base course is the concrete layer with slag and sludge haydites of book structure as aggregate.Discharge when wherein slag is metal smelt
Industrial residue, output are about the 15%-20% of crude steel yield.The utilization rate of slag is low at present, and the stacking of big steel slag is drawn
Play series of environmental problems.Although the water-permeable brick in the patent document has preferable water penetration, water-retaining property is poor, it is impossible to
It is enough effectively to alleviate tropical island effect.
On the other hand, a variety of harmful substances are there are in air, falls earthward with rainwater when raining, and then penetrate into ground
In lower water, so as to pollute to the water quality of subsoil water.However, water-permeable brick of the prior art can not effectively remove infiltration
Harmful substance in subsoil water.
Therefore, need in prior art that a kind of permeable and performance of keeping humidity is good, intensity is high and be capable of the saturating of effective purifying water body
Water brick.
The content of the invention
There is above-mentioned technical problem in solving prior art in the present invention, which contains slag and work in water-permeable brick simultaneously
Property charcoal, define trickle battery, it is achieved thereby that a kind of permeable and performance of keeping humidity is good, intensity is high and being capable of effective purifying water body
Water-permeable brick.
Water-permeable brick of the invention, includes the mass ratio of slag and activated carbon, slag and activated carbon in its raw material components
It is worth for 6.5-28, slag is not less than 70% with the mass percent sum of activated carbon.Preferably, the percentage by weight of slag is
65%-84%, the mass percent of activated carbon is 3-10%.
Further, cement, inorganic intermixture, stain and water are also included in its raw material components, wherein, the weight hundred of cement
Point ratio is 5%-10%, and the percentage by weight of inorganic intermixture is 3%-8%, and the percentage by weight of stain is 0%-4%, water
Percentage by weight be 4%-8%.Preferably, inorganic intermixture is FC surfactants, and main component includes calcium ion chemical combination
Thing, alkali metal compound and halogen, can be fluorocarbon surfactant.
Further, the porosity of water-permeable brick of the invention is the ratio model of the particle diameter of 0.2-0.8, slag and activated carbon
Enclose for 1.25-40.
Preferably, the incline of water-permeable brick is parallel or not parallel；Or, chamfering is provided with the edge corner of water-permeable brick；Or
Person, the end sidewalls and/or lateral side wall of water-permeable brick are provided with depressed part, and depressed part is distributed with the short transverse of water-permeable brick
One is intervally distributed with two or more；Or, the top or bottom of water-permeable brick offer limbers, the height of limbers with
The ratio of the height of water-permeable brick is 1/4-2/3；Or, permeable top layer is provided with the top of water-permeable brick.End sidewalls and lateral side wall
On depressed part can be staggered or alignment.
On the other hand, the present invention relates to a kind of manufacture method of water-permeable brick, comprises the following steps：
(1) it is put in blender after slag, activated carbon, cement, inorganic intermixture, dyeing powder and water being weighed and uniformly stirs
Mix, the material storage 1.2-1.8 hours of mix homogeneously；Blender can be two shaft pugmill mixer；
(2) compound is transported in edge runner mill, and passes through edge runner mill crushed particles surface；
(3) compound after will be broken is put in mould, pressure forming water-permeable brick, and the Stress control of molding is in 500-
600Kg/cm2, the persistent period is 15-20 minutes；Or, first by Stress control in 350-380Kg/cm2, continue to cause for 5 minutes
Compound tentatively consolidates molding, then by pressure rise to 550-600Kg/cm2, continue 10-15 minutes；
(4) water-permeable brick after consolidation is put into into temperature to be supported in 25-35 DEG C, the environment that relative humidity is 90-95% naturally
Shield adopts atmospheric steam curing 7-14 days.
Utilization composite inorganic compound of the present invention makees the water-permeable brick of intermixture compared with the prior art, with as follows
Remarkable advantage：
1) using FC surfactants, even if mix a small amount of cement and can also obtain higher stability, intensity, stretch
Property and durability；
2) FC surfactants can make inorganic compound that compound reaction occurs, and the impact brought to natural environment is few；
3) compared with existing ceramic-like water-permeable brick, with low cost, energy consumption is low；
4) solve the problems, such as that the water penetration and comprcssive strength of cement water-permeable brick can not be taken into account；
5) aggregate used by is mining wastes slag, solves the problems, such as the wasting of resources and environmental pollution that slag causes.
Porous water-permeable brick forms special structure, and not only permeability performance is excellent, also with good moisture retention.
Description of the drawings
Fig. 1 shows a kind of longitudinal sectional view of embodiment of water-permeable brick.
Fig. 2 shows a kind of transverse sectional view of embodiment of water-permeable brick.
Fig. 3 shows the longitudinal sectional view of the first variant of water-permeable brick.
Fig. 4 shows the transverse sectional view of the first variant of water-permeable brick.
Fig. 5 shows the schematic diagram after water-permeable brick of the top edge with top chamfer is laid side by side.
Fig. 6 shows the longitudinal sectional view of second variant of water-permeable brick.
Fig. 7 shows the transverse sectional view of second variant of water-permeable brick.
Fig. 8 shows the longitudinal sectional view of the third variant of water-permeable brick.
Fig. 9 shows the longitudinal sectional view of the 4th kind of variant of water-permeable brick.
Figure 10 shows the longitudinal sectional view of the 5th kind of variant of water-permeable brick.
Figure 11 shows the transverse sectional view of the 5th kind of variant of water-permeable brick.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing to the present invention
Embodiment be described in detail.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutual combination in any.
Term is defined：
Particle diameter：Particle diameter in the application refers to the scope of particle diameter of the weight/mass percentage composition more than 95%, i.e. granule
Diameter is less than the mass percent of particle size range minima and particle diameter more than the total material of particle size range maximum 5%
Below.
Water-permeable brick of the invention, includes slag and activated carbon, the wherein matter of slag and activated carbon in its raw material components
Amount ratio is that the mass percent sum of 6.5-28, slag and activated carbon is not less than 70%.For example, the percentage by weight of slag can
Think 65%-84%, the mass percent of activated carbon can be 3-10%.Water-permeable brick of the invention, with slag as aggregate,
Activated carbon is included in space between aggregate.Preferably, aggregate and the ratio range of the particle diameter of activated carbon are 1.25-40.For example,
The particle diameter of slag can be 2.5-10mm；The particle diameter of activated carbon can be 0.25-2mm.Include slag and work in water-permeable brick simultaneously
Property charcoal, has potential difference and defines countless trickle batteries between such ferrum-carbon granule, and these trickle batteries are with current potential
Low ferrum is anode, and the high carbon of current potential is negative electrode.With rainwash, there is electrochemistry in water-permeable brick in the surface water of slant acidity
Reaction so that ferrum is become the iron ion of bivalence by corrosion, the pollutant reaction in these iron ions and water body is reached to infiltration
The absorption of pollutant and separating effect in water body.Present invention firstly provides include slag and activated carbon in water-permeable brick simultaneously, with
Trickle battery is formed in-between so that the pollutant in the water body of water-permeable brick are decomposed, having bio-refractory
Machine thing is converted into degradable material, it is easy to which biochemical treatment to the pollutant in water body is directly degraded into harmless small molecule
Compound, so as to realizing purifying water body and removing the technique effect of pollutant.Moreover, water-permeable brick of the invention also achieves good
Good moisture retention, on the one hand depends on the hole in brick body, on the other hand depends on the water suction energy-absorbing that activated carbon is excellent.
Preferably, cement, inorganic intermixture, stain can also be included in the raw material components of water-permeable brick of the invention
And water.The percentage by weight of such as cement can be 5%-10%, and the percentage by weight of inorganic intermixture can be 3%-8%,
The percentage by weight of stain can be 0%-4%, and the percentage by weight of water can be 4%-8%.
It is highly preferred that the percentage by weight of slag is 70%-80%, the mass percent of activated carbon is 4-8%.
The raw material components percentage ratio of water-permeable brick is listed below by way of the mode of preferred embodiment：
Embodiment one
| Component | Percentage composition (%) |
| Slag | 74 |
| Activated carbon | 8 |
| Cement | 8 |
| Inorganic intermixture | 5 |
| Stain | 0 |
| Water | 5 |
Embodiment two
| Component | Percentage composition (%) |
| Slag | 76 |
| Activated carbon | 6 |
| Cement | 6 |
| Inorganic intermixture | 4 |
| Stain | 3 |
| Water | 5 |
Embodiment three
| Component | Percentage composition (%) |
| Slag | 68 |
| Activated carbon | 9 |
| Cement | 9 |
| Inorganic intermixture | 5.5 |
| Stain | 2.5 |
| Water | 6 |
Example IV
| Component | Percentage composition (%) |
| Slag | 80 |
| Activated carbon | 3 |
| Cement | 5 |
| Inorganic intermixture | 7 |
| Stain | 1 |
| Water | 4 |
Embodiment five
| Component | Percentage composition (%) |
| Slag | 65 |
| Activated carbon | 10 |
| Cement | 8 |
| Inorganic intermixture | 8 |
| Stain | 3 |
| Water | 6 |
Preferably, heretofore described inorganic intermixture is FC surfactants, and main component includes calcium ion chemical combination
Thing, alkali metal compound, halogen, which forms the aqueous solution rich in calcium ion, alkali metal ion etc. after being dissolved in water.The mechanism of action
For：FC agent is attached on aggregate particles, by humic acidss when hindering cement and aggregate particles generation curing reaction, lignin sulfonic acid
Etc. being decomposed into the low molecular compounds such as alcohol and carboxylic acid so that contained SiO in cement and aggregate particles2、Al2O3With calcium ion
Direct reaction becomes more easy.The activation aggravation of cement, promotes the acicular crystal of entringite, declines in moisture content
Meanwhile, the cementing of aggregate particles becomes simple, defines the solid with high intensity.
It is for instance possible to use fluorocarbon surfactant, wherein as fluorine atom radius is little, have great electronegativity again,
Enhance the affinity interaction of fluorine and carbon.As fluorocarbon chain has an extremely strong hydrophobicity and relatively low molcohesion, thus its table
Face aqueous surfactant solutions are presented strong surface activity under very low concentrations.Again as the carbon fluorine chain in fluorocarbon chain has higher bond energy
(116 kcal/mol), hence it is evident that increased the stability of fluorinated organic compound, thus fluorocarbon surfactant shows heat surely
Qualitative and chemical stability.
The method of the water-permeable brick of the manufacture present invention is comprised the following steps：
(1) it is put in blender after slag, activated carbon, cement, inorganic intermixture, dyeing powder and water being weighed and uniformly stirs
Mix, reach and be sufficiently mixed, moisten, permeating, form the basically identical material core of moisture content, the material resting period of mix homogeneously is with 1.2-
1.8 hours (preferably 1.5 hours) left and right is advisable, overlong time or the too low comprcssive strength that can all reduce mould brick.Preferably, stir
The machine of mixing can be two shaft pugmill mixer.
(2) compound is transported in edge runner mill, and passes through edge runner mill crushed particles surface so as to granule almost spherical,
Corner angle are not sharp, to increase activity.There is free undersaturated chemical valence and crystallization in the newly-generated surface of these granules
Grid deforms, and makes to be easy to that solid state reaction occurs between granule, increases the aquation depth of material particles, improves the intensity of product and resistance to
Long performance.
(3) compound after will be broken is put in mould, pressure forming water-permeable brick, and the Stress control of molding is in 500-
600Kg/cm2, the persistent period, control was in 15-20 minutes.The method that transfer pressure control can also be adopted is compressing, i.e., first
By Stress control in 350-380Kg/cm2, continue to enable within 5 minutes compound tentatively to consolidate molding, then by pressure rise
To 550-600Kg/cm2, continue 10-15 minutes.
(4) water-permeable brick after consolidation is put into into temperature to be supported in 25-35 DEG C, the environment that relative humidity is 90-95% naturally
Shield adopts atmospheric steam curing 7-14 days.
As shown in figure 1, which show a kind of longitudinal sectional view of embodiment of water-permeable brick profile of the invention；
As shown in Fig. 2 which show a kind of transverse sectional view of embodiment of water-permeable brick profile of the invention.
Water-permeable brick includes activated carbon 2 with slag 1 as aggregate, in the space between aggregate, and its porosity is 0.2-0.8.Make
Used time, by polylith water-permeable brick is laid side by side on road surface, form environmental porous pavement.Selectively, the shape of water-permeable brick
Can be prism or terrace with edge, its incline is parallel or not parallel.It should be noted that the shape shown in accompanying drawing is the enforcement
A kind of graphical representation of exemplary of mode, does not constitute the uniqueness to its shape and limits (similarly hereinafter).
As shown in Figures 3 and 4, which show a kind of variant (respectively longitudinal sectional view of embodiment as above
And transverse sectional view).Wherein, the top edge in water-permeable brick is provided with top chamfer 3.As shown in figure 5, which show in whole
Edge carries the schematic diagram after the water-permeable brick of top chamfer is laid side by side.Be interconnected recessed is formed between two pieces of water-permeable bricks
Groove 4.So, water-permeable brick surface can be enabled to leave more moisture Sometimes When It Rains, while can also play anti-skidding
With effect attractive in appearance.It should be noted that, although four top edges of the water-permeable brick shown in Fig. 3 and 4 are equipped with top chamfer,
It is to be understood that, it is also feasible that the part of top edge or top edge less than four is provided with the situation of top chamfer.
As shown in Figures 6 and 7, which show another kind of variant (respectively longitudinal section view of embodiment as above
Figure and transverse sectional view).Wherein, depressed part 5 is provided with the end sidewalls and/or lateral side wall of water-permeable brick, depressed part 5 is along saturating
One is distributed with the short transverse of water brick or two or more is intervally distributed with.Preferably, in end sidewalls and lateral side wall
Depressed part be staggered or alignment.So, in polylith water-permeable brick laid out in parallel, can be formed between adjacent water-permeable brick
There is the receiving portion of water, more moisture can be stored.At the same time it can also the use for reducing material on the basis of proof strength
Amount, to save manufacturing cost.
As shown in figure 8, which show the longitudinal sectional view of another kind of variant of embodiment as above.Wherein,
Limbers 6 is offered in the bottom of water-permeable brick, be its role is to enable water-permeable brick to keep more moisture, improved its moisturizing
Property, can largely alleviate " tropical island effect ".It is also possible to 6 (figure of limbers is offered at the top of water-permeable brick
Not shown in).Preferably, the height of limbers and the ratio of the height of water-permeable brick are 1/4-2/3.
As shown in figure 9, which show the longitudinal sectional view of another kind of variant of embodiment as above.Wherein,
Permeable top layer 7 is additionally provided with the top of water-permeable brick.Permeable top layer can for example be pervious asphalt layer, be exempted from playing protection water-permeable brick
Frayed effect.
As shown in FIG. 10 and 11, another kind of variant which show embodiment as above is (respectively longitudinal to cut open
View and transverse sectional view).Wherein, the bottom margin in water-permeable brick is provided with bottom chamfer 8.With the situation class in above-mentioned Fig. 3 and 4
Seemingly, the set-up mode of bottom chamfer 8 can be arranged as required to.
It should be noted that above-mentioned various variants can be to be mutually combined to make on the premise of not clashing each other
.
Using the water-permeable brick of the present invention while its comprcssive strength is ensured so which has very strong water penetration and moisturizing
Property, and as slag therein and activated carbon define countless trickle batteries, promote the release of iron ion, reach to infiltration
The absorption of pollutant and separating effect in water body.
Although disclosed herein embodiment as above, described content only to facilitate understand the present invention and adopt
Embodiment, is not limited to the present invention.Technical staff in any the technical field of the invention, without departing from this
On the premise of the disclosed spirit and scope of invention, any modification and change can be made in the formal and details implemented,
But the scope of patent protection of the present invention, still must be defined by the scope of which is defined in the appended claims.
Claims (9)
1. a kind of water-permeable brick, it is characterised in that include slag and activated carbon in its raw material components, the mass ratio of slag and activated carbon
Be worth for 6.5-28, slag is not less than 70% with the mass percent sum of activated carbon, the water-permeable brick with slag as aggregate, aggregate
Between space in include activated carbon, its porosity be 0.2-0.8.
2. water-permeable brick according to claim 1, it is characterised in that the percentage by weight of slag is 65%-84%, activated carbon
Mass percent be 3-10%.
3. water-permeable brick according to claim 1 and 2, it is characterised in that cement, inorganic mixing are also included in its raw material components
Agent and water.
4. water-permeable brick according to claim 3, it is characterised in that stain is also included in its raw material components, wherein, cement
Percentage by weight be 5%-10%, the percentage by weight of inorganic intermixture is 3%-8%, and the percentage by weight of stain is
0%-4%, the percentage by weight of water is 4%-8%.
5. water-permeable brick according to claim 3, it is characterised in that inorganic intermixture is FC surfactants, main component
Including ionic calcium cpd, alkali metal compound and halogen.
6. water-permeable brick according to claim 3, it is characterised in that inorganic intermixture is fluorocarbon surfactant.
7. water-permeable brick according to claim 1 and 2, it is characterised in that slag with the ratio range of the particle diameter of activated carbon is
1.25-40。
8. water-permeable brick according to claim 1 and 2, it is characterised in that the incline of the water-permeable brick is parallel or not parallel；
Or, chamfering is provided with the edge corner of the water-permeable brick；Or, in the end sidewalls and/or lateral side wall of the water-permeable brick
Depressed part is provided with, the depressed part is distributed with one in the short transverse of water-permeable brick or is intervally distributed with two or more；Or
Person, the top or bottom of the water-permeable brick offer limbers, and the height of the limbers with the ratio of the height of water-permeable brick is
1/4-2/3；Or, permeable top layer is provided with the top of the water-permeable brick.
9. a kind of manufacture method of water-permeable brick as claimed in claim 1, comprises the following steps：
(1) uniform stirring in blender is put into after slag, activated carbon, cement, inorganic intermixture, dyeing powder and water being weighed, mix
Close uniform material storage 1.2-1.8 hours；
(2) compound is transported in edge runner mill, and passes through edge runner mill crushed particles surface；
(3) compound after will be broken is put in mould, pressure forming water-permeable brick, and the Stress control of molding is in 500-600Kg/
cm2, the persistent period is 15-20 minutes；Or, first by Stress control in 350-380Kg/cm2, continue to cause compound in 5 minutes
Preliminary consolidation molding, then by pressure rise to 550-600Kg/cm2, continue 10-15 minutes；
(4) by the water-permeable brick after consolidation be put into temperature for 25-35 DEG C, relative humidity for 90-95% environment in natural curing or
Person adopts atmospheric steam curing 7-14 days.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510599110.9A CN105254236B (en) | 2015-09-17 | 2015-09-17 | Water-permeable brick and making method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510599110.9A CN105254236B (en) | 2015-09-17 | 2015-09-17 | Water-permeable brick and making method thereof |
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| CN105254236A CN105254236A (en) | 2016-01-20 |
| CN105254236B true CN105254236B (en) | 2017-04-26 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106380120A (en) * | 2016-08-31 | 2017-02-08 | 马鞍山市广立方彩砖有限公司 | High-water permeability self-cleaning permeable brick and production method thereof |
| CN107399936B (en) * | 2017-07-31 | 2020-01-07 | 河南工程学院 | Preparation method of sludge biochar water permeable brick for water purification |
| CN107324710B (en) * | 2017-07-31 | 2020-01-21 | 河南工程学院 | Preparation method of sludge biochar water permeable brick with high adsorption performance |
| CN108285297A (en) * | 2018-01-25 | 2018-07-17 | 广西亿品投资有限公司 | Artificial granite pavior brick and preparation method thereof |
| CN108178565A (en) * | 2018-01-25 | 2018-06-19 | 广西亿品投资有限公司 | Parian pavior brick and preparation method thereof |
| CN108505673A (en) * | 2018-04-03 | 2018-09-07 | 济南大学 | Activated carbon building block and the processing method of harmful substance can be adsorbed |
| CN109796172A (en) * | 2019-02-20 | 2019-05-24 | 陕西朗正环保科技有限公司 | It is a kind of using waterworks sludge as brick of raw material and the preparation method and application thereof |
| CN116253555B (en) * | 2023-05-11 | 2023-07-07 | 天津杰臻环保技术有限公司 | Industrial sludge-based full-solid waste water permeable brick and preparation method thereof |
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| CN101704563B (en) * | 2009-11-19 | 2011-09-28 | 杨祺 | Method for treating sewage by industrial solid wastes |
| CN103253741B (en) * | 2013-05-10 | 2014-01-01 | 山东大学 | Method for preparing anti-hardening granular ceramic iron-carbon micro-electrolysis filler from industrial wastes |
| CN103553448B (en) * | 2013-09-27 | 2015-05-20 | 北京仁创科技集团有限公司 | Ceramsite water permeable brick and preparation method thereof |
| CN104402388A (en) * | 2014-11-28 | 2015-03-11 | 无锡晨驰环保科技股份有限公司 | Water-permeable water-holding brick and preparation method thereof |
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