CN108358609A - A kind of water-permeable brick and preparation method thereof prepared by basalt tailing - Google Patents

A kind of water-permeable brick and preparation method thereof prepared by basalt tailing Download PDF

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Publication number
CN108358609A
CN108358609A CN201810149890.0A CN201810149890A CN108358609A CN 108358609 A CN108358609 A CN 108358609A CN 201810149890 A CN201810149890 A CN 201810149890A CN 108358609 A CN108358609 A CN 108358609A
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parts
water
basalt
permeable brick
mesh
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王习东
王昊
刘丽丽
岳祥华
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Peking University
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Peking University
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • C04B33/132Waste materials; Refuse; Residues
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00Clay-wares
    • C04B33/02Preparing or treating the raw materials individually or as batches
    • C04B33/13Compounding ingredients
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/0038Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by superficial sintering or bonding of particulate matter
    • C04B38/0041Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by superficial sintering or bonding of particulate matter the particulate matter having preselected particle sizes
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00Details of pavings
    • E01C11/22Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
    • E01C11/224Surface drainage of streets
    • E01C11/225Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C5/00Pavings made of prefabricated single units
    • E01C5/04Pavings made of prefabricated single units made of bricks
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54Particle size related information
    • C04B2235/5418Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5427Particle size related information expressed by the size of the particles or aggregates thereof millimeter or submillimeter sized, i.e. larger than 0,1 mm
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/602Making the green bodies or pre-forms by moulding
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656Aspects 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
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656Aspects 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
    • C04B2235/6562Heating rate
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/60Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Road Paving Structures (AREA)

Abstract

The present invention relates to water-permeable brick prepared by a kind of basalt tailing, the water-permeable brick includes face layer and bottom;The face layer is prepared by the raw material of following parts by weight:Granularity is 85~95 parts of the basalt mine tailing of 20~40 mesh, 2~8 parts of molecular sieve dead meal, 2~8 parts of clay;The bottom is prepared by the raw material of following parts by weight:Granularity is 70~80 parts of the basalt mine tailing of 5~20 mesh;Granularity is 10~20 parts of the basalt mine tailing of 20~40 mesh, 2~8 parts of molecular sieve dead meal, 2~8 parts of clay.Using solid waste basalt tailing and molecular sieve dead meal as raw material, the resource recycling for realizing solid waste utilizes the present invention, reduces the place resource occupied by landfill.It is sintered obtained water-permeable brick function admirable, is superior to the index request of national Specification.

Description

A kind of water-permeable brick and preparation method thereof prepared by basalt tailing
Technical field
The invention belongs to basalt comprehensive utilization of tailing fields, and in particular to a kind of to utilize the permeable of basalt tailing preparation Brick.
Background technology
Along with the continuous quickening of urbanization process, the lasting expansion in urban construction area, road hardening degree increases year by year, City development intensity is increasing, and " heat island " " rain island " effect enhances year by year, and original flood stores dead zone and tied up, due to draining The construction of facility lags behind the development of urban construction, in terms of leading to the problem of a series of urban water safeties.Not such as city Pervious surface causes rainwater not ooze down, in addition the aging of original urban underground water drainage pipe road, drainage system is unsound, shortens Urban district flood peak forms the time, and flood volume and flow velocity increase, and urban road becomes main flood path, in hypsography low-lying Northern city is more likely formed waterlogging, leads to the generation of flood.Therefore, we naturally deposit urban construction needs at this stage Product, infiltration and the sponge city purified.A kind of important source control technology in " sponge city " facility is permeable pavement, Also referred to as low influence development technique, and then city Permeable stratum area is reduced, while the runoff of urban rainwater being made to move towards to be able to well Regulation and control, promote the storage of rainwater, infiltration and the effect for purifying water-permeable brick.
Basalt is the good raw material for producing " cast stone "." cast stone " is to move back basalt by melt-casting, crystallization treatment Material made of fire.It is harder and wear-resisting than steel alloy, more anticorrosive than lead and rubber.Basalt is also in a kind of cast steel advanced technologies In, play the role of " lubricant ", the casting film service life can be extended.Meanwhile basalt can also be pumped into glass fiber, than general glass Silk cloth alkali resistance is strong, and high temperature resistance is good.Meanwhile basalt be repair it is best in highway, railway, building stones used in airfield runway Material, has that crushing resistance is strong, crush values are low, corrosion resistance is strong, asphalt adhesion Black Warrior stone, and Black Warrior stone is with wear-resisting, draft amount Less, the advantages that electric conductivity is poor, crushing resistance is strong, crush values are low, corrosion resistance is strong, asphalt adhesion, and be hair by international endorsement Open up railway transportation and the best foundation stone of highway transportation.Currently, as the yield of basalt mine is increasing, it is more and more profound Military rock tailing fails to be utilized well.
So how the present situations such as, pollution environment insufficient for basalt Tailings utilization, increase basalt product from failing Added value, the new application for opening up basalt tailing are to work as previous item difficult task.
Invention content
The object of the present invention is to provide water-permeable brick prepared by a kind of basalt tailing, the water-permeable brick includes face layer and bottom Layer;The face layer is prepared by the raw material of following parts by weight:Granularity is 85~95 parts of the basalt mine tailing of 20~40 mesh, point Son 2~8 parts of dead meal of sieve, 2~8 parts of clay;The bottom is prepared by the raw material of following parts by weight:Granularity is 5~20 mesh 70~80 parts of basalt mine tailing;Granularity is 10~20 parts of the basalt mine tailing of 20~40 mesh, molecular sieve dead meal 2~8 Part, 2~8 parts of clay.
Water-permeable brick surface layer both needs have good water permeability, it is also necessary to have higher intensity, in surface layer fabric The larger basalt mine tailing of grain size is added, the water permeability of brick can be improved.But large-sized tailing can lead to the intensity of brick It reduces, therefore, the application is further added to molecular sieve dead meal in the feed, it has been found that addition is a small amount of in the feed Molecular sieve dead meal can effectively improve the intensity on surface layer, this will not cause surface layer water permeability that must be decreased obviously.For into One step enhances the intensity of brick entirety, and applicant is further added to the smaller basalt mine tailing of grain size in bottom raw material. Pass through above-mentioned adjustment, it is ensured that water-permeable brick entirety water penetration and high intensity.
Preferably, the weight ratio of the face layer and bottom raw material is 0.9~1.1:9.
Further preferably, the weight ratio of the face layer and bottom raw material is 1:9.
Preferably, the overall thickness of the water-permeable brick is 5~7cm.Water-permeable brick prepared by raw material of the present invention is in above-mentioned thickness There is ideal thickness and permeability rate in the case of degree.
Preferably, the granularity of the molecular sieve dead meal is 100~200 mesh.
Preferably, the molecular sieve dead meal is the solid waste material generated in process of producing molecular sieve.The solid is useless The molecular sieve that rejected material mainly contains impurity lands the solid waste generated in material and production process.
Preferably, the basalt tailing is the discarded tailing generated in basalt ore recovery process.
As a preferred technical solution, in the face stock of every 100 parts by weight, including granularity is the basalt of 20~40 mesh 90 parts of mine tailing, 2~7 parts of molecular sieve dead meal, 3~8 parts of clay;In the bottom raw material of every 100 parts by weight, including granularity is 5 70~80 parts of the basalt mine tailing of~20 mesh;Granularity is 10~20 parts of the basalt mine tailing of 20~40 mesh, and molecular sieve is discarded 2~7 parts of material, 3~8 parts of clay;And/or the weight ratio of the face stock and bottom raw material is 1:9.
It is a further object of the present invention to provide the preparation methods of herein described water-permeable brick, include the following steps:
1) water spray stirs evenly respectively after mixing face stock and bottom raw material respectively;Two layers of the raw material mixed is put Enter and carry out compression molding in mold, obtains the biscuit of water-permeable brick;
2) biscuit is put into kiln and carries out high temperature sintering, obtain water-permeable brick.
Preferably, the highest temperature of step 2) the high temperature sintering is 1050~1150 DEG C.The study found that highest sintering temperature Degree has very important influence for the molding of water-permeable brick and performance, the water-permeable brick within the scope of above-mentioned temperature obtained by sintering Performance it is more satisfactory.
Preferably, the concrete operations being sintered in the step 2) are that the biscuit is placed in kiln, with 3 DEG C per minute Rate heating, after temperature reaches 600 DEG C, continue to heat up with 5 DEG C of rates per minute, until temperature reaches the highest temperature, and 30min is kept at the highest temperature, is then naturally cooling to room temperature.
Preferably, the pressure of the compression molding is 750~850KN, pressurize 30~50 seconds.
1) present invention selects basalt tailing for raw material, can with the use of the dead meal generated in process of producing molecular sieve It can promote the strength enhancing of sample in high-temperature sintering process, then by adding clay, the intensity of primary billet can be enhanced, made It obtains and can be good at being molded in sample pressing process, and the dosage by further optimizing each raw material, product can be made to have good Good performance.
2) further, for above-mentioned raw materials, the application optimizes the method for cooking of water-permeable brick, and raw material water spray stirring is mixed The process for closing uniform, compression molding, high temperature sintering molding, obtains the water-permeable brick of function admirable.
The present invention can not only make full use of solid waste basalt tailing, but also solid waste product is greatly improved Added value, the resource recycling for realizing solid waste utilize, and reduce the place resource occupied by landfill.What sintering obtained Water-permeable brick function admirable is superior to the index request of national Specification.Therefore the present invention meets the existing solid waste of country Situation, be conducive to promote in practice, have important economy, society with ecological, environmental protective meaning.
Description of the drawings
Fig. 1:A kind of basalt tailing of the present invention prepares the technology path schematic diagram of the method for water-permeable brick;
Fig. 2:A kind of water-permeable brick provided by the invention.
Specific implementation mode
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Basalt tailing involved in embodiment comes from Jiangsu Province Lianyun Harbour Donghai County, and molecular sieve dead meal comes from company The Donghai Counties Yun Gang, clay come from Shanxi Province's Shuozhou City.
Embodiment 1
The present embodiment is related to a kind of water-permeable brick prepared by basalt tailing,
The total weight of the face stock is 300g, and wherein granularity is the basalt mine tailing 270g of 20~40 mesh, molecule Sieve dead meal 15g, clay 15g.
The total weight of the raw material of the bottom is 2000g, and wherein granularity is the basalt mine tailing 1500g of 5~20 mesh, grain Degree is the basalt mine tailing 300g, molecular sieve dead meal 100g, clay 100g of 20~40 mesh.
The present embodiment further relates to the preparation method (its Technology Roadmap is shown in Fig. 1) of above-mentioned water-permeable brick, includes the following steps:
1) water spray stirs evenly respectively after mixing face stock and bottom raw material respectively;By two layers mixed respectively original Material is put into order in mold is molded 40s under the conditions of pressure 800KN, is molded, obtains the biscuit of water-permeable brick;
2) biscuit is placed in kiln, is heated up with 3 DEG C of rate per minute, it is every with 5 DEG C after temperature reaches 600 DEG C The rate of minute continues to heat up, until temperature reaches 1050 DEG C, keeps 30min, is then naturally cooling to room temperature, obtains water-permeable brick, Its thickness is 5cm.Its outside drawing is shown in Fig. 2.
The water-permeable brick that the present embodiment obtains is tested for the property, performance parameter is as follows:Compression strength is 33MPa, is resisted Folding intensity is 5.8MPa, and permeability rate is 6 × 10-2Cm/s, can be functional after 25 freeze proof cycles.It can reach and be better than The requirement of national standard (GB/T 25993-2010) set quota.
Embodiment 2
The present embodiment is related to a kind of water-permeable brick prepared by basalt tailing,
The total weight of the face stock is 300g, and wherein granularity is the basalt mine tailing 270g of 20~40 mesh, molecule Sieve dead meal 9g, clay 21g.
The total weight of the raw material of the bottom is 2000g, and wherein granularity is the basalt mine tailing 1400g of 5~20 mesh, grain Degree is the basalt mine tailing 400g, molecular sieve dead meal 60g, clay 140g of 20~40 mesh.
The present embodiment further relates to the preparation method of above-mentioned water-permeable brick, includes the following steps:
1) water spray stirs evenly respectively after mixing face stock and bottom raw material respectively;By two layers of the raw material mixed point It is not put into mold and is molded 40s under the conditions of pressure 800KN, be molded, obtain biscuit;
2) biscuit is placed in kiln, is heated up with 3 DEG C of rate per minute, it is every with 5 DEG C after temperature reaches 600 DEG C The rate of minute continues to heat up, until temperature reaches 1050 DEG C, keeps 30min, is then naturally cooling to room temperature, obtains water-permeable brick, Its thickness is 5cm.
The water-permeable brick that the present embodiment obtains is tested for the property, performance parameter is as follows:Compression strength is 38MPa, is resisted Folding intensity is 4.6MPa, and permeability rate is 4.2 × 10-2Cm/s, can be functional after 25 freeze proof cycles, can reach and excellent In the requirement of national standard (GB/T25993-2010) set quota.
Embodiment 3
The present embodiment is related to a kind of water-permeable brick prepared by basalt tailing,
The total weight of the face stock is 300g, and wherein granularity is the basalt mine tailing 270g of 20~40 mesh, molecule Sieve dead meal 21g, clay 9g.
The total weight of the raw material of the bottom is 2000g, and wherein granularity is the basalt mine tailing 1600g of 5~20 mesh, grain Degree is the basalt mine tailing 200g, molecular sieve dead meal 140g, clay 60g of 20~40 mesh.
The present embodiment further relates to the preparation method of above-mentioned water-permeable brick, includes the following steps:
1) water spray stirs evenly respectively after mixing face stock and bottom raw material respectively;By two layers of the raw material mixed point It is not put into mold and is molded 40s under the conditions of pressure 800KN, be molded, obtain biscuit;
2) biscuit is placed in kiln, is heated up with 3 DEG C of rate per minute, it is every with 5 DEG C after temperature reaches 600 DEG C The rate of minute continues to heat up, until temperature reaches 1050 DEG C, keeps 30min, is then naturally cooling to room temperature, obtains water-permeable brick, Its thickness is 6cm.
The water-permeable brick that the present embodiment obtains is tested for the property, performance parameter is as follows:Compression strength is 42MPa, is resisted Folding intensity is 4.9MPa, and permeability rate is 5.1 × 10-2Cm/s, can be functional after 25 freeze proof cycles, can reach and excellent In the requirement of national standard (GB/T25993-2010) set quota.
Embodiment 4
The present embodiment is related to a kind of water-permeable brick prepared by basalt tailing,
The total weight of the face stock is 300g, and wherein granularity is the basalt mine tailing 270g of 20~40 mesh, molecule Sieve dead meal 6g, clay 24g.
The total weight of the raw material of the bottom is 2000g, and wherein granularity is the basalt mine tailing 1500g of 5~20 mesh, grain Degree is the basalt mine tailing 300g, molecular sieve dead meal 40g, clay 160g of 20~40 mesh.
The present embodiment further relates to the preparation method of above-mentioned water-permeable brick, includes the following steps:
1) water spray stirs evenly respectively after mixing face stock and bottom raw material respectively;By two layers of the raw material mixed point It is not put into mold and is molded 40s under the conditions of pressure 800KN, be molded, obtain biscuit;
2) biscuit is placed in kiln, is heated up with 3 DEG C of rate per minute, it is every with 5 DEG C after temperature reaches 600 DEG C The rate of minute continues to heat up, until temperature reaches 1150 DEG C, keeps 30min, is then naturally cooling to room temperature, obtains water-permeable brick, Its thickness is 7cm.
The water-permeable brick that the present embodiment obtains is tested for the property, performance parameter is as follows:Compression strength is 36MPa, is resisted Folding intensity is 6.4MPa, and permeability rate is 5.2 × 10-2Cm/s, can be functional after 25 freeze proof cycles, can reach and excellent In the requirement of national standard (GB/T25993-2010) set quota.
Comparative example 1
Compared with Example 1, difference lies in, do not add molecular sieve dead meal, the total weight of the face stock is 300g, Wherein granularity is basalt the mine tailing 270g, clay 30g of 20~40 mesh.
The total weight of the raw material of the bottom is 2000g, and wherein granularity is the basalt mine tailing 1500g of 5~20 mesh, grain Degree is the basalt 300g, clay 200g of the mesh of 20 mesh~40.
Its compression strength is 31MPa, and flexural strength 3.1MPa, permeability rate is 1.1 × 10-2Cm/s can pass through 25 times and resist Freeze functional after recycling.
As can be seen from the above results, if not adding molecular sieve dead meal in the feed, the anti-folding of gained water-permeable brick is strong Degree and permeability rate are decreased obviously.
Comparative example 2
Compared with Example 1, difference lies in,
Clay is not added, the total weight of the face stock is 300g, and wherein granularity is the basalt tailing of 20~40 mesh Powder 270g, molecular sieve dead meal 30g.
The total weight of the raw material of the bottom is 2000g, and wherein granularity is the basalt mine tailing 1500g of 5~20 mesh, grain Degree is the basalt 300g, molecular sieve dead meal 200g of the mesh of 20 mesh~40.
Its compression strength is 43MPa, and flexural strength 7.1MPa, permeability rate is 0.7 × 10-2Cm/s can pass through 25 times and resist Freeze functional after recycling.
As can be seen from the above results, if not adding clay in the feed, although the compression strength of water-permeable brick and anti-folding are strong Degree increases, but itself and permeability rate are decreased obviously, and cannot be satisfied the needs of application.
Comparative example 3
Compared with Example 1, difference lies in, change the dosage of each raw material, the total weight of the face stock is 300g, Wherein granularity is the basalt mine tailing 285g, molecular sieve dead meal 8g, clay 7g of 20~40 mesh.
The total weight of the raw material of the bottom is 2000g, and wherein granularity is the basalt mine tailing 1000g of 5~20 mesh, grain Degree is the basalt mine tailing 500g, molecular sieve dead meal 250g, clay 250g of 20~40 mesh.
Its compression strength is 21MPa, and flexural strength 3.1MPa, permeability rate is 0.92 × 10-2Cm/s can pass through 25 times and resist Freeze functional after recycling.
Found out by data above, even change the dosage of various raw materials, compression strength, flexural strength and permeability rate also can Generation significantly declines.
Comparative example 4
Compared with Example 4, the maximum temperature for changing sintering improves the maximum temperature of the sintering, until 1200 DEG C.
Its compression strength is 43MPa, and flexural strength 12MPa, permeability rate is 0.32 × 10-2Cm/scm/s can pass through 25 It is functional after secondary freeze proof cycle.
As can be seen from the above data, the temperature of sintering has very important influence to the performance of water-permeable brick, if will sintering Maximum temperature improve 50 DEG C, permeability rate can be decreased obviously.
Comparative example 5
Compared with Example 1, the maximum temperature of the sintering is reduced to 1000 DEG C by the maximum temperature for changing sintering.
Its compression strength is 19MPa, and flexural strength 1.2MPa, permeability rate is 3.1 × 10-2Cm/s cm/s can pass through 25 Performance drastically declines after secondary freeze proof cycle.
As can be seen from the above data, the temperature of sintering has very important influence to the performance of water-permeable brick, if will sintering Maximum temperature improve 50 DEG C, permeability rate can be decreased obviously.
As can be seen from the above data, the temperature of sintering has very important influence to the performance of water-permeable brick, if will sintering Maximum temperature reduce by 50 DEG C, compression strength, flexural strength and permeability rate can be decreased obviously.
Although above having used general explanation, specific implementation mode and experiment, the present invention is made to retouch in detail It states, but on the basis of the present invention, it can be made some modifications or improvements, this is apparent to those skilled in the art 's.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to claimed Range.

Claims (10)

1. water-permeable brick prepared by a kind of basalt tailing, which is characterized in that the water-permeable brick includes face layer and bottom;The face layer It is prepared by the raw material of following parts by weight:Granularity is 85~95 parts of the basalt mine tailing of 20~40 mesh, molecular sieve dead meal 2 ~8 parts, 2~8 parts of clay;The bottom is prepared by the raw material of following parts by weight:Granularity is the basalt tailing of 5~20 mesh 70~80 parts of powder;Granularity is 10~20 parts of the basalt mine tailing of 20~40 mesh, 2~8 parts of molecular sieve dead meal, clay 2~8 Part.
2. water-permeable brick according to claim 1, which is characterized in that the weight ratio of face layer and bottom raw material for 0.9~ 1.1:9;It is preferred that 1:9.
3. water-permeable brick according to claim 1 or 2, which is characterized in that the thickness of the water-permeable brick is 5~7cm.
4. water-permeable brick according to claim 2 or 3, which is characterized in that the granularity of the molecular sieve dead meal is 100-200 Mesh.
5. water-permeable brick according to claim 1 or 3, which is characterized in that the molecular sieve dead meal is that molecular sieve produced The solid waste material generated in journey;
And/or the basalt tailing is the discarded tailing generated in basalt ore recovery process.
6. according to Claims 1 to 5 any one of them water-permeable brick, which is characterized in that in the face stock of every 100 parts by weight, Including 90 parts of the basalt mine tailing that granularity is 20~40 mesh, 2~7 parts of molecular sieve dead meal, 3~8 parts of clay;Every 100 weight In the bottom raw material of part, including granularity is 70~80 parts of the basalt mine tailing of 5~20 mesh;Granularity is the basalt of 20~40 mesh 10~20 parts of mine tailing, 2~7 parts of molecular sieve dead meal, 3~8 parts of clay;And/or the weight of the face stock and bottom raw material Amount is than being 1:9.
7. the preparation method of any one of claim 1~6 water-permeable brick, which is characterized in that include the following steps:
1) water spray stirs evenly respectively after mixing face stock and bottom raw material respectively;Two layers of the raw material mixed respectively is put Enter and carry out compression molding in mold, obtains the biscuit of water-permeable brick;
2) biscuit is put into kiln and carries out high temperature sintering, obtain water-permeable brick.
8. preparation method according to claim 7, which is characterized in that the highest temperature of step 2) high temperature sintering is 1050~1150 DEG C.
9., will be described according to the method described in claim 8, it is characterized in that, the concrete operations being sintered in the step 2) are Biscuit is placed in kiln, is heated up with 3 DEG C of rate per minute, after temperature reaches 600 DEG C, with 5 DEG C of rates per minute after of continuing rising Temperature until temperature reaches the highest temperature, and keeps 30min at the highest temperature, is then naturally cooling to room temperature.
10. according to claim 7~9 any one of them method, which is characterized in that the pressure of the compression molding be 750~ 850KN, pressurize 30~50 seconds in mold process.
CN201810149890.0A 2018-02-13 2018-02-13 A kind of water-permeable brick and preparation method thereof prepared by basalt tailing Pending CN108358609A (en)

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CN105645896A (en) * 2015-12-31 2016-06-08 文登蓝岛建筑工程有限公司 Floor tile prepared by using waste and old tyres and preparation method thereof
CN106518032A (en) * 2016-11-25 2017-03-22 贵州欧玛陶瓷有限责任公司 Water-permeable brick and preparation method thereof
CN107176847A (en) * 2017-05-26 2017-09-19 四川乔丰新材料科技有限公司 A kind of Novel fireproof brick and preparation method thereof
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CN1605691A (en) * 2004-08-26 2005-04-13 干文虎 Brick production method using basalt for substitution of clay
CN1600729A (en) * 2004-10-13 2005-03-30 威海华元节能建筑材料有限公司 Basalt baked brick
CN105399397A (en) * 2015-12-09 2016-03-16 文登蓝岛建筑工程有限公司 Building external wall fireproof and thermal insulation material and preparation method thereof
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108863327A (en) * 2018-07-31 2018-11-23 河北睿索固废工程技术研究院有限公司 It is a kind of using Total tailing as the ceramic base water-permeable brick and preparation method of raw material

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