CN107226678A - A kind of ecological garden environmental protection brick prepared using full waste material and its method - Google Patents
A kind of ecological garden environmental protection brick prepared using full waste material and its method Download PDFInfo
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- CN107226678A CN107226678A CN201710391284.5A CN201710391284A CN107226678A CN 107226678 A CN107226678 A CN 107226678A CN 201710391284 A CN201710391284 A CN 201710391284A CN 107226678 A CN107226678 A CN 107226678A
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1328—Waste materials; Refuse; Residues without additional clay
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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
- C04B33/00—Clay-wares
- C04B33/32—Burning methods
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6562—Heating rate
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- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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Abstract
The invention belongs to the technical field of environmental protection brick, a kind of ecological garden environmental protection brick prepared using full waste material and its method are disclosed.Methods described is:(1) waste glass powder, dredged mud and water are placed in ball mill and carry out ball milling, dried, obtain mixed powder;Mixed powder is well mixed with waste ceramic particle and water, mixed slurry is obtained;(2) mixed slurry is put into mould, be press-formed, drying obtains molded samples;(3) molded samples are carried out burning till processing, then cools down, obtain pervious environment protection brick i.e. ecological garden environmental protection brick.The environmental protection brick is prepared from using waste material, and raw material sources enrich;The environmental protection brick has the advantages that good water permeability, intensity are high, lightweight, environmentally friendly, ageing-resistant;And it is with short production cycle, need not excessively prolonged curing period.Environmental protection brick prepared by the full waste material of the present invention can alleviate urban waterlogging, tropical island effect, with sound absorption qualities.
Description
Technical field
The invention belongs to the technical field of environmental protection brick, it is related to a kind of method for preparing ecological garden environmental protection brick using full waste material
And environmental protection brick prepared by this method, tile work of the ecological garden environmental protection brick for road.
Background technology
Over time, the shortcoming of the hardened ground such as seawater mud, pitch gradually exposes, for example:Hardened ground is obstructed
Rainwater in depth under, cause city " waterlogging " situation to occur repeatedly;Underground water is difficult to supply in time, causes level of ground water to be difficult to
Go up and produce urban ground and sink;There is hardened ground reflection effect can absorb and discharge solar energy, cause hardening ground
Face temperature is general higher than nature ground 8 DEG C so that urban heat land effect exacerbation etc..If a kind of high stomata can be prepared
The occurrence of rate, the environmental protection brick of excellent water permeability can not only alleviate urban heat island environment and waterlogging, moreover it is possible in time addedly
Lower water, and because the shaggy structure of environmental protection brick increases coefficient of friction, improve the security of road.
And or existing floor tile is required original various, preparation process is complicated;Water permeability is poor, does not alleviate heat island
The occurrence of environment and waterlogging;Insufficient strength, floor tile destructible.The present invention utilizes dredged mud, waste ceramic particle, waste glass powder
This three's discarded object, prepares ecological garden pervious environment protection brick, can not only increase the utilization to discarded object, meets now " secondary
Using " theory;And these three discarded objects are all very big in the annual yield of China, and feeding is simple.By this three's discarded object system
Standby ecological garden pervious environment protection brick water permeability out can reach 1cm/s, and intensity may be up to 300MPa.
The content of the invention
In order to overcome the disadvantages mentioned above of prior art with it is not enough, it is an object of the invention to provide a kind of production cost it is low,
Water permeability is excellent, the preparation method of the preferable environment protecting ceramic brick of intensity is that the side of ecological garden environmental protection brick is prepared using full waste material
Method.The raw material of the environmental protection brick of the present invention is prepared by discarded object entirely, without adding other chemical addition agents.
Another object of the present invention is to provide the ecological garden environmental protection brick prepared by the above method.The permeable ring
Protecting brick is used for the tile work of road.
The purpose of the present invention is achieved through the following technical solutions:
A kind of method for preparing ecological garden environmental protection brick using full waste material, comprises the following steps:
(1) waste glass powder, dredged mud and water are placed in ball mill and carry out ball milling, dried, obtain mixed powder;Will mixing
Powder is well mixed with waste ceramic particle and water, obtains mixed slurry;
(2) mixed slurry is put into mould, be press-formed, drying obtains molded samples;
(3) molded samples are carried out burning till processing, then cools down, obtain pervious environment protection brick i.e. ecological garden environmental protection brick;Institute
State and burn till the condition of processing and be:First rise to 200 DEG C from normal temperature with 2.5~3 DEG C/min heating rate, then with 7~7.5 DEG C/
Min heating rate rises to 600 DEG C from 200 DEG C, then is incubated 20~40min, preferably 30min at 600 DEG C;Then with 5.5 DEG C
~6 DEG C/min heating rate rises to 950 DEG C from 600 DEG C, then is risen to 5 DEG C~5.5 DEG C/min heating rate from 950 DEG C
1100 DEG C, finally it is incubated 20~60min at 1100 DEG C.
The pressure being press-formed described in step (2) is 5~15MPa, and the time of the extrusion forming is 1~2 minute;
The temperature of the drying is 100~120 DEG C;The water content of the molded samples is less than 1wt%.
The rate of temperature fall cooled down described in step (3) is not more than 5 DEG C/min, and the cooling refers to certain rate of temperature fall
It is cooled to room temperature.
0.05~1.08cm/s of permeability rate of pervious environment protection brick described in step (3), compression strength is more than 25MPa.
The firing of environmental protection brick is determined according to the heat analysis of dredged mud.
Waste ceramic particle described in step (1), waste glass powder and dredged mud are with magnitude relation:The content of useless porcelain powder is three things
The 60~80% of matter gross mass, the content of waste glass powder is the 10~20% of three material gross masses, and the content of dredged mud is three things
The 10~20% of matter gross mass;When the waste glass powder, dredged mud and water are placed in progress ball milling in ball mill, the consumption of water is useless
The 60%~200% of glass dust and dredged mud gross mass, preferably 100%;The rotating speed of the ball milling is 250~300 revs/min,
Ball-milling Time is 1~3 hour, preferably 2 hours;The temperature of the drying is 80~105 DEG C, preferably 100 DEG C;The mixing
The consumption of slurry reclaimed water is the 8~10% of waste ceramic particle, waste glass powder and dredged mud gross mass;
Particle diameter≤0.546mm of dredged mud described in step (1);The particle diameter of waste ceramic particle is 1.237~3.53mm;The glass
The particle diameter of glass powder is 0.131~0.197mm.
Dredged mud described in step (1) is training of channel mud, and dry dredged mud, the water content of dry dredged mud is less than 1%.
The dredged mud is to be dried the dredged mud of selection, and ball milling, sieving is obtained;The drying is 70~105 DEG C
Dried, particle diameter≤0.546mm of the dredging pug of the ball milling;Ash content, moisture content, a huge sum of money are carried out to the dredged mud of selection
Belong to content etc. and determine i.e. progress heat analysis.The rotating speed of the ball milling is 250~300 revs/min, and Ball-milling Time is 1~3h.
The waste ceramic particle is to be crushed useless ceramic tile, and ball milling, sieving is obtained.The particle diameter of waste ceramic particle be 1.237~
3.53mm.The broken rotating speed is 500~600 revs/min, and the broken time is 1~2 minute;The rotating speed of the ball milling be 250~
300 revs/min, Ball-milling Time is 60~90 minutes;Useless ceramic tile is put into disintegrating machine and crushed, waste ceramic particle is typically sheet,
Edge is more sharp;Obtained waste ceramic particle is put into ball milling in ball mill again, the edge of waste ceramic particle can be polished whole.
The waste glass powder is to be crushed the waste glass powder of selection, and ball milling, sieving is obtained.The rotating speed of the ball milling is
250~300 revs/min, Ball-milling Time is 5~7h.
Useless porcelain is one of primary ceramic waste material, in dispensing slurrying, injection forming, repaired biscuit, drying, burns till, the production such as carries
During, any quality control is bad or technological operation defect etc. may all cause waste product to give up the generation of porcelain.Annual useless ceramic tile
Yield is huge, by the use of useless ceramic tile as the aggregate of environmental protection brick, accumulates to form macropore by the aggregate between useless ceramic tile.With China
Economic development, the amount for the dredged mud that a large amount of dredging works are produced is huge, and the utilization currently for dredged mud is main in rubbish
Landfill, fill material, three aspects of ocean dumping.We should utilize with carrying out recycling to it.The composition of dredged mud is main
It is the materials such as aluminum oxide, silica, organic matter, be able to can also be degraded heavy metal by the way that environmental protection brick is made as low temperature bonding agent
Pollution, the burning of organic matter can form substantial amounts of aperture in dredged mud.Environmental protection is formed using the method for aperture combination macropore
Intercommunicating pore structure in brick.Waste glass powder connection aggregate is added simultaneously, strengthens the intensity of environmental protection brick.Utilize useless ceramic tile, cullet
These three discarded objects of powder, dredged mud, can not only secondary recovery can also save the raw materials such as clay using these materials, symbol completely
Close the theory of the development of green ecological.
The dredged mud is the dredged mud that produces during rivers and creeks, ocean or port dredging.
Compared with prior art, the present invention has advantages below and beneficial effect:
(1) its shape of the environmental protection brick of full waste material of the invention preparation, structure and big I are adjusted according to actual requirement, are met
Different application requirements.
(2) environmental protection brick prepared by full waste material of the invention, compared to Cement Environment Protection brick it is with short production cycle, do not need long when
Between curing period, and sinter out environmental protection brick strength ratio Cement Environment Protection brick intensity it is big.
(3) environmental protection brick prepared by full waste material of the invention has good water permeability, intensity high, lightweight, environmentally friendly, ageing-resistant
Advantage.
(4) environmental protection brick prepared by full waste material of the invention can alleviate urban waterlogging, tropical island effect, with sound absorption qualities.
Embodiment
The present invention is done with reference to embodiment and is further described in detail, but the implementation of the present invention is not limited to this.
Dredged mud, waste ceramic particle and waste glass powder are obtained by the following method in embodiment:
The dredged mud is that 260 revs/min of ball milling 2h sieve in being dried 24 hours at 100 DEG C by the training of channel mud of selection
Arrive.
The waste ceramic particle is to be crushed useless ceramic tile, and ball milling, sieving is obtained.The broken rotating speed is 550 revs/min, is broken
The broken time is 2 minutes;The rotating speed of the ball milling is 300 revs/min, and Ball-milling Time is 60 minutes.
The waste glass powder is to be crushed the waste glass powder of selection, and ball milling, sieving is obtained.The rotating speed of the ball milling is
260 revs/min, Ball-milling Time is 6h.
Embodiment 1
1) 60wt% 2.675~3.53mm waste ceramic particles, 20wt% 0.154~0.197mm waste glass powders, 20wt% are taken
Training of channel mud, the dry dredged mud less than 0.546mm;
2) waste glass powder and training of channel mud are added in ball mill according to proportioning, add distilled water (with glass dust and
Dredge sludge mixed material equal mass), ball milling 1 hour, rotational speed of ball-mill is 300 revs/min, rear to take out 100 DEG C of drying in an oven, is obtained
To mixed powder;By mixed powder, waste ceramic particle and distilled water, (consumption of distilled water is mixed powder and waste ceramic particle gross mass
8%) (stirring mixing 3 minutes) is uniformly mixed, dredged mud and glass dust is uniformly wrapped in the surface of useless aggregate, obtains
To mixed slurry;
3) mixed slurry is put into mould, is pressurized to 10MPa, pressurize 1min, the sample being molded;
4) sample moisture content is made to be less than 1wt% in being dried more than 6 hours at 100 DEG C molded samples;
5) dried sample is burnt till in high temperature firing furnace, wherein in normal temperature~200 DEG C temperature range, heating
Speed is 3 DEG C/min;200~600 DEG C of temperature ranges, programming rate is 7 DEG C/min;30min is incubated at 600 DEG C;600~950
DEG C temperature range, 5.5 DEG C/min of programming rate;In 950 DEG C~1100 DEG C, 5 DEG C/min of programming rate, in 1100 DEG C of insulations
20min, is then cooled down, and the speed that cools is not more than 5 DEG C/min, is cooled to room temperature and environment friendly pervious brick i.e. ecological park is made
Woods environmental protection brick.
Present invention implementation is madeEnvironmental protection brick, is put into electric furnace and boils 2~3 hours, taking-up is put
Quality m of the sample in water is weighed in electronic balance scale1, environmental protection brick surface moisture is then dried, when weighing saturated dry surface
The weight m of sample2, then environmental protection brick is put into 100 DEG C of baking oven drying weighs within more than 24 hours environmental protection brick quality m3, then to ring
Protect brick and carry out cubing V, surface area is A, then carry out performance test, porosity calculation formula is P=1- (m2-m1)/V, is obtained
It is 7.022% to go out porosity, and water-retaining property calculation formula is (m2-m1)/A, it is 0.072g/cm to draw water-retaining property2, volume density meter
Calculation formula is ρ=m3/(m2-m1), it is 1.965g/cm to draw volume density3.Prepared according to operation above stepEnvironmental protection brick, environmental protection brick is put into normal-temperature water more than 24 hours, using permeability rate instrument is measured, first measured
Environmental protection brick thickness bottom l is taken, then carefully seam fills up the water permeability so that measuring by the edge of environmental protection brick by butter and preservative film
It is more accurate.Environmental protection brick is put into instrument, after good seal, opening water valve makes water enter in instrumentation tube, and fixed same water level is high
The water Q of outflow in h, record water-head, and required time t are spent, according to coefficient of permeability calculation formula K=Q*l/ (A*h*t)
It is 0.052cm/s to measure coefficient of permeability.Environmental protection brick is put into the compression strength that sample is measured in universal testing machine, measured anti-
Compressive Strength is 361.9MPa.
Embodiment 2
1) 70wt% 2.675~3.53mm waste ceramic particles, 15wt% 0.154~0.197mm waste glass powders, 15wt% are taken
Training of channel mud, the dry dredged mud less than 0.546mm;
2) waste glass powder and training of channel mud are added in ball mill according to proportioning, add distilled water (with glass dust and
Dredge sludge mixed material equal mass), ball milling 1 hour, rotational speed of ball-mill is 300 revs/min, rear to take out 100 DEG C of drying in an oven, is obtained
To mixed powder;By mixed powder, waste ceramic particle and distilled water, (consumption of distilled water is mixed powder and waste ceramic particle gross mass
8%) (stirring mixing 3 minutes) is uniformly mixed, dredged mud and glass dust is uniformly wrapped in the surface of useless aggregate, obtains
To mixed slurry;
3) mixed slurry is put into mould, is pressurized to 10MPa, pressurize 1min, the sample being molded;
4) sample moisture content is made to be less than 1wt% in being dried more than 6 hours at 100 DEG C molded samples;
5) dried sample is burnt till in high temperature firing furnace, wherein in normal temperature~200 DEG C temperature range, heating
3 DEG C/min of speed;200~600 DEG C of temperature ranges, 7 DEG C/min of programming rate;30min is incubated at 600 DEG C;600~950 DEG C of temperature
Degree is interval, 5.5 DEG C/min of programming rate;At 950 DEG C~1100 DEG C, 5 DEG C/min of programming rate is incubated 20min, so at 1100 DEG C
Cooled down afterwards, the speed that cools is not more than 5 DEG C/min, be cooled to room temperature and the i.e. ecological garden environmental protection of environment friendly pervious brick is made
Brick.
Present invention implementation is madeEnvironmental protection brick, is put into electric furnace and boils 2~3 hours, taking-up is put
Quality m of the environmental protection brick in water is weighed in electronic balance scale1, environmental protection brick surface moisture is then dried, saturated dry surface is weighed
When environmental protection brick weight m2, then sample is put into 100 DEG C of baking oven drying weighs within more than 24 hours environmental protection brick quality m3.It is right again
Environmental protection brick carries out cubing V, and surface area is A, then carries out performance test, porosity calculation formula be P=1- (m2-m1)/
V, it is 10.243% to draw porosity, and water-retaining property calculation formula is &=(m2-m1)/A, and water-retaining property is 0.063g/cm2, volume density
Calculation formula is ρ=m3/ (m2-m1), and volume density is 1.9g/cm3.Prepared according to operation above stepEnvironmental protection brick is put into normal-temperature water more than 24 hours by environmental protection brick sample, using measuring permeability rate instrument,
Environmental protection brick thickness bottom l is first measured, then carefully seam is filled up so that measures is permeable by the edge of environmental protection brick by butter and preservative film
Performance is more accurate.Environmental protection brick is put into instrument, after good seal, opening water valve makes water enter in instrumentation tube, fixed same water
The water Q of outflow in position height h, record water-head, and required time t, according to coefficient of permeability calculation formula K=Q*l/ (A*
H*t), coefficient of permeability is measured for 0.378cm/s.Environmental protection brick is put into the compression strength that sample is measured in universal testing machine, surveyed
Go out compression strength for 215.9MPa.
Embodiment 3
1) 80wt% 2.675~3.53mm waste ceramic particles, 10wt% 0.154~0.197mm waste glass powders, 10wt% are taken
Training of channel mud, the dry dredged mud less than 0.546mm;
2) waste glass powder and training of channel mud are added in ball mill according to proportioning, add distilled water (with glass dust and
Dredge sludge mixed material equal mass), ball milling 1 hour, rotational speed of ball-mill is 300 revs/min, rear to take out 100 DEG C of drying in an oven, is obtained
To mixed powder;By mixed powder, waste ceramic particle and distilled water, (consumption of distilled water is mixed powder and waste ceramic particle gross mass
8%) (stirring mixing 3 minutes) is uniformly mixed, dredged mud and glass dust is uniformly wrapped in the surface of useless aggregate, obtains
To mixed slurry;
3) mixed slurry is put into mould, is pressurized to 10MPa, pressurize 1min, the sample being molded;
4) sample moisture content is made to be less than 1wt% in being dried more than 6 hours at 100 DEG C molded samples;
5) dried sample is burnt till in high temperature firing furnace, wherein in normal temperature~200 DEG C temperature range, heating
Speed is 3 DEG C/min;200~600 DEG C of temperature ranges, programming rate is 7 DEG C/min;30min is incubated at 600 DEG C;600~950
DEG C temperature range, 5.5 DEG C/min of programming rate;In 950 DEG C~1100 DEG C, 5 DEG C/min of programming rate, in 1100 DEG C of insulations
20min, is then cooled down, and the speed that cools is not more than 5 DEG C/min, is cooled to room temperature and environment friendly pervious brick i.e. ecological park is made
Woods environmental protection brick.
The φ 50mm*10mm environmental protection bricks that present invention implementation is made, are put into electric furnace and boil 2~3 hours, and taking-up is placed on electricity
Sub- balance weighing apparatus weighs quality m of the environmental protection brick in water1, environmental protection brick surface moisture is then dried, is tried when weighing saturated dry surface
The weight m of sample2, then environmental protection brick is put into 100 DEG C of baking oven drying weighs sample quality m within more than 24 hours3.Then progressive
It can test, then cubing V is carried out to environmental protection brick, surface area is A, then carry out performance test, porosity calculation formula is P=
1- (m2-m1)/V, porosity is 10.33%, and water-retaining property calculation formula is &=(m2-m1)/A, and water-retaining property is 0.054g/cm2,
Volume density calculation formula is ρ=m3/ (m2-m1), and volume density is 1.898g/cm3.φ is prepared according to operation above step
100mm*70mm environmental protection bricks, environmental protection brick is put into normal-temperature water more than 24 hours, using permeability rate instrument is measured, environmental protection is first measured
Brick thickness bottom l, then by butter and preservative film, by the edge of environmental protection brick, carefully seam is filled up so that the water permeability measured is more accurate
Really.Environmental protection brick is put into instrument, after good seal, opening water valve makes water enter in instrumentation tube, fixed same height of water level h, note
The water Q of outflow in water-head, and required time t are recorded, according to coefficient of permeability calculation formula K=Q*l/ (A*h*t).Measure
Coefficient of permeability is 1.087cm/s.Environmental protection brick is put into the compression strength that sample is measured in universal testing machine, measuring compression strength is
29.6MPa。
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not limited by examples detailed above
System, it is other it is any without departing from spirit of the invention and the change made under principle, modification, replacement, combine, simplification is
Effect.
Claims (9)
1. a kind of method for preparing ecological garden environmental protection brick using full waste material, it is characterised in that:Comprise the following steps:
(1) waste glass powder, dredged mud and water are placed in ball mill and carry out ball milling, dried, obtain mixed powder;By mixed powder
It is well mixed with waste ceramic particle and water, obtains mixed slurry;
(2) mixed slurry is put into mould, be press-formed, drying obtains molded samples;
(3) molded samples are carried out burning till processing, then cools down, obtain pervious environment protection brick i.e. ecological garden environmental protection brick;It is described to burn
Condition into processing is:200 DEG C first are risen to from normal temperature with 2.5~3 DEG C/min heating rate, then with 7~7.5 DEG C/min's
Heating rate rises to 600 DEG C from 200 DEG C, then is incubated 20~40min, preferably 30min at 600 DEG C;Then with 5.5 DEG C~6 DEG C/
Min heating rate rises to 950 DEG C from 600 DEG C, then rises to 1100 DEG C from 950 DEG C with 5 DEG C~5.5 DEG C/min heating rate,
It is last to be incubated 20~60min at 1100 DEG C.
2. the method for ecological garden environmental protection brick is prepared using full waste material according to claim 1, it is characterised in that:Step (1)
Described in waste ceramic particle, waste glass powder and dredged mud be with magnitude relation:The content of useless porcelain powder for three material gross masses 60~
80%, the content of waste glass powder is the 10~20% of three material gross masses, the content of dredged mud for three material gross masses 10~
20%;
When the waste glass powder, dredged mud and water are placed in progress ball milling in ball mill, the consumption of water is waste glass powder and dredged mud
The 60%~200% of gross mass.
3. the method for ecological garden environmental protection brick is prepared using full waste material according to claim 1, it is characterised in that:The mixing
The consumption of slurry reclaimed water is the 8~10% of waste ceramic particle, waste glass powder and dredged mud gross mass.
4. the method for ecological garden environmental protection brick is prepared using full waste material according to claim 1, it is characterised in that:Step (1)
Described in dredged mud particle diameter≤0.546mm;The particle diameter of waste ceramic particle is 1.237~3.53mm;The particle diameter of the glass dust is
0.131~0.197mm.
5. the method for ecological garden environmental protection brick is prepared using full waste material according to claim 1, it is characterised in that:Step (1)
Described in ball milling rotating speed be 250~300 revs/min, Ball-milling Time be 1~3 hour;The temperature of the drying is 80~105 DEG C.
6. the method for ecological garden environmental protection brick is prepared using full waste material according to claim 1, it is characterised in that:Step (2)
Described in the pressure that is press-formed be 5~15MPa, the time of the extrusion forming is 1~2 minute;
The temperature dried described in step (2) is 100~120 DEG C;The water content of the molded samples is less than 1wt%;Step (3)
Described in the rate of temperature fall that cools down be not more than 5 DEG C/min.
7. the method for ecological garden environmental protection brick is prepared using full waste material according to claim 1, it is characterised in that:
The dredged mud is to be dried the dredged mud of selection, and ball milling, sieving is obtained;
The waste ceramic particle is to be crushed useless ceramic tile, and ball milling, sieving is obtained;
The waste glass powder is to be crushed the waste glass powder of selection, and ball milling, sieving is obtained.
8. the method for ecological garden environmental protection brick is prepared using full waste material according to claim 7, it is characterised in that:The drying
Dried for 70~105 DEG C;The rotating speed of the ball milling is 250~300 revs/min, and Ball-milling Time is 1~3h;
It is 500~600 revs/min that rotating speed is crushed described in waste ceramic particle, and the broken time is 1~2 minute;The rotating speed of the ball milling is
250~300 revs/min, Ball-milling Time is 60~90 minutes;
The rotating speed of ball milling described in waste glass powder is 250~300 revs/min, and Ball-milling Time is 5~7h.
9. the ecological garden environmental protection brick that a kind of method as described in any one of claim 1~8 is obtained.
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Cited By (1)
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CN109020488A (en) * | 2018-07-25 | 2018-12-18 | 清远市简陶瓷有限公司 | A kind of environment friendly pervious brick and preparation method thereof |
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