CN108821748A - The method for being sintered straight-through water delivery type water-permeable brick using lithium tailing and the production of steel slag tailing - Google Patents
The method for being sintered straight-through water delivery type water-permeable brick using lithium tailing and the production of steel slag tailing Download PDFInfo
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- CN108821748A CN108821748A CN201811070262.XA CN201811070262A CN108821748A CN 108821748 A CN108821748 A CN 108821748A CN 201811070262 A CN201811070262 A CN 201811070262A CN 108821748 A CN108821748 A CN 108821748A
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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
- C04B33/138—Waste materials; Refuse; Residues from metallurgical processes, e.g. slag, furnace dust, galvanic waste
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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
- C04B33/10—Eliminating iron or lime
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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
- C04B33/32—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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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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 discloses a kind of methods for being sintered straight-through water delivery type water-permeable brick using lithium tailing and the production of steel slag tailing, by lithium tailing, the processing of steel slag tailing homogenizing, then by lithium tailing, steel slag tailing, raw clay, water ingredient by a certain percentage, it is packed into ball mill, it was mixed and finely ground and screens out iron, it is put into mud pit, then filters pressing is at mud cake, mud section is squeezed out through pugging, it is again with the wet base of sintering brick permeable to water for being uniformly distributed the straight-through water hole of 5~10mm by mud section extrusion forming, wet base is put on supporting plate through cutting, and it is dry to be sent into tunnel oven；Dry body is by certain calcining system, the obtained water-permeable brick of 1100~1200 DEG C of high temperature firings in energy-saving double-layer tunnel oven.Product of the present invention has good permeable, hydrophobicity, and pollution-free, intensity is high, and corrosion resistance is strong; anti- freeze thawing is good, and long service life is adjustable weather; urban heat land effect is eliminated, the multiple functions such as surface water cycle are kept, meets national energy conservation and emission reduction, protection environment, the requirement for developing low-carbon economy.
Description
Technical field
The invention belongs to solid waste to utilize technical field, and in particular to a kind of to be burnt using lithium tailing and the production of steel slag tailing
The method for tying straight-through water delivery type water-permeable brick.
Background technique
With the Large scale construction of China's rapid economic development, the continuous improvement of living standards of the people and city, city
The earth's surface overwhelming majority covered by building, cement concrete, floor tile etc., these solids are unfavorable for rainwater and penetrate into time
Underground meets torrential rain and is easy to produce waterlogging, brings very big problem to trip, the traffic safety of city people.Annual summer
Generally there is such case in city in all parts of the country, and bitter lesson comes clearly into view.In addition, used road/square brick is generally water
Silt particle is non-burning brick, and substantially without permeability performance, and service life is short, after several years（Fragmentation, dusting）It needs to re-replace.
To solve these problems, city manager is in addition to being transformed underground pipe network（Overstriking pipeline）Outside, development and production are novel
For being laid with ground, acceleration rainwater permeates the ground water brick, imperative.
Lithium tailing is the solid waste after flotation lithium concentrate, and quantum of output is big, and pile up like a mountain.Meanwhile steel plant generate daily
Many steel slag wastes.These solid waste not only occupy soil, but also polluted environment.
The ingredients such as main component is siliceous in lithium tailing, aluminium, potassium, sodium and micro lithium, iron, titanium, are the reasons for producing water-permeable brick
Think material, has sintering temperature low, the characteristics of fineness does not have to ball milling well.
Steel slag tailing is containing there are many useful components：Metallic iron, calcium oxide, magnesia, manganese oxide etc..Its mineral composition is with silicon
Based on sour tricalcium, followed by dicalcium silicate, RO phase, dicalcium ferrite and free calcium oxide.Steel slag be somehow, be remelting phase, fusing
Temperature is low.When refuse, liquid phase forms morning, good fluidity.
Waste utilization is turned waste into wealth, and is the original intention of the invention, meets energy-saving and emission-reduction, waste that country advocates energetically
Using, protection environment policy and Green Development new concept.
It is the permeable brick product of main material production with lithium tailing and steel slag tailing, is a kind of new city ground decoration material
Material, it has good water penetration（Hydrophobicity）, rainwater comparatively fast can penetrate into brick in the following, flowing into sewer when raining in torrents, and become a fine day
When, the moisture penetrated into below brick can be slowly evaporated in atmosphere, play the role of adjusting aerial temperature and humidity；Lithium tail is utilized simultaneously
Mine and the production of steel slag tailing are sintered straight-through water delivery type water-permeable brick, and waste utilization is turned waste into wealth, and meet the energy conservation that country advocates energetically
Emission reduction, waste utilization, protect environment policy and Green Development new concept.
Summary of the invention
Straight-through water delivery is sintered using lithium tailing and the production of steel slag tailing the technical problem to be solved in the present invention is to provide a kind of
The method of type water-permeable brick.
In order to solve the above technical problems, the technical solution adopted by the present invention is that：It is a kind of raw using lithium tailing and steel slag tailing
The method for being sintered straight-through water delivery type water-permeable brick is produced, the described method comprises the following steps：
（1）Lithium tailing, the processing of steel slag tailing homogenizing：By lithium tailing, steel slag tailing, homogenizing is handled respectively first, steel slag tailing homogenizing
After crush, the two is sieved respectively；
（2）Ingredient：Lithium tailing, steel slag tailing, raw clay, water are packed into ball mill, 12~15h is mixed and finely ground, crosses 80~100
Mesh removes iron；
（3）It is sintered the preparation of straight-through water delivery type water-permeable brick：Ingredient is put into mud pit after iron being removed, and filters pressing is at mud cake, then through white silk
Mud squeezes out mud section, then mud section extrusion forming is put on supporting plate after wet base cutting, is sent into be sintered the straight-through wet base of water delivery type water-permeable brick
The dry formation dry body of drying alley kiln drying, dry body are burnt by calcining system at 1100~1200 DEG C of high temperature in energy-saving double-layer tunnel oven
At finished product brick.
Step of the present invention（1）In, it crushed 10 meshes after steel slag tailing homogenizing, cross 20 meshes after lithium tailing homogenizing.
Step of the present invention（2）50~60 parts of lithium tailing, 10~25 parts of steel slag tailing, raw clay 30 is added in ingredient
~40 parts, finally plus 40~50 parts of water.
Step of the present invention（3）In, the mud section moisture content 15~20% through pugging extrusion.
Step of the present invention（3）In, it is sintered above the straight-through wet base of water delivery type water-permeable brick and is uniform-distribution with 5~10mm of diameter
Straight-through water hole, the edge spacing of two neighboring water hole is not less than 20mm and is not more than 50mm.
Step of the present invention（3）In, wet base is put on supporting plate, and drying alley kiln dry 8~12h at 60~80 DEG C is sent into
Form dry body.
Step of the present invention（3）In, calcining system is：150 DEG C room temperature~1100 DEG C, heating rate/h, 1100~
1200 DEG C, heat preservation 1h, 75 DEG C 1200 >=T >=900 DEG C, rate of temperature fall/h, 900 T >=700 DEG C >, rate of temperature fall 200 DEG C/h, 700
50 DEG C T >=500 DEG C >, rate of temperature fall/h, 150 DEG C 500 T >=50 DEG C > of kiln discharge temperature, rate of temperature fall/h, wherein T is kiln temperature.
Lithium tailing main chemical compositions and content of the present invention：SiO2：78.01%,Al2O3：14.96%,Fe2O3：
0.35%,CaO：0.28%,K2O：1.87%,Na2O：3.12%；The steel slag tailing main chemical compositions and content：SiO2：
16.73%、Al2O3：5.06%,Fe2O3：2.3%,TiO2：0.86%,CaO：48%,MgO：11.62%,K2O：0.075%,Na2O：
0.17%、SO3：0.57%,MnO2：2.21%,CaF2：2.2%,Fe：0.68%,P2O5 ：1.04%,Loss：2.58%.
" pugging " process of the invention is:What mud cake was put into helical blade stirs mud machine, is stirred, cuts to mud cake,
It is vacuum-treated under -0.095~-0.1Mpa vacuum degree, mud extraction 1~1.5M/min of rate, squeezes out mud section.The purpose of pugging：It is de-
It is good to make pug uniform moisture, plasticity for bubble in pug out, and it is stand-by to squeeze out mud section.
4.2~5.5MPa of the permeable brick product flexural strength of water delivery type, splitting are led directly in the sintering of the method for the invention production
4.2~5.2MPa of tensile strength, coefficient of permeability 3.0~3.5 × 10-2cm/s；Wearability：Mill hole length≤35mm, skid resistance：
BPN >=60, frost resistance is qualified, and index meets and is better than standard GB/T/T 25933-2010《Permeable pavement brick and porous pavement
Plate》.
The present invention leads directly to water delivery type water-permeable brick product inspection method using the sintering that lithium tailing and steel slag tailing produce and refers to
Standard GB/T/T 25933-2010《Permeable pavement brick and porous pavement plate》, related request is shown in Table 1.
1 permeable pavement brick of table and porous pavement plate performance indicator
Generated beneficial effect is by adopting the above technical scheme：1, the present invention is using lithium tailing, steel slag tailing as water-permeable brick
Primary raw material is produced straight-through hydrophobic type adobe, is uniform-distribution with the straight of 5~10mm of diameter above adobe using extrusion molding
Logical water hole, through high temperature firing, water-permeable brick intensity obtained is high, permeable, hydrophobic performance is good, and freeze-thaw resistance is qualified, service life
It is long.2, sintering brick permeable to water product made of the present invention, solves the processing handling problems of lithium tailing, steel slag tailing waste thing, subtracts
The occupancy of valuable land resource is lacked；The resource utilization for realizing lithium tailing, steel slag tailing reduces the dirt to natural environment
Dye, turns waste into wealth.3, product of the present invention has good permeable, hydrophobicity, and pollution-free, intensity is high, and corrosion resistance is strong, anti-freeze thawing
Property good, long service life, be adjustable weather, eliminate urban heat land effect, keep the multiple functions such as surface water cycle, meet country
Energy-saving and emission-reduction, protection environment, the requirement for developing low-carbon economy.4, it is permeable to lead directly to water delivery type for the sintering of the method for the invention production
Brick product 4.2~5.5MPa of flexural strength, 4.2~5.2MPa of tensile splitting strength, coefficient of permeability 3.0~3.5 × 10-2cm/s；
Wearability：Mill hole length≤35mm, skid resistance：BPN >=60, frost resistance are qualified；Index meets and is better than standard GB/T/T
25933-2010《Permeable pavement brick and porous pavement plate》.
Specific embodiment
Embodiment 1
A method of it being sintered straight-through water delivery type water-permeable brick using lithium tailing and the production of steel slag tailing, the method includes following steps
Suddenly：
（1）Lithium tailing, the processing of steel slag tailing homogenizing：By lithium tailing, steel slag tailing, homogenizing is handled respectively first, steel slag tailing homogenizing
After crushed 10 meshes, cross 20 meshes after lithium tailing homogenizing；
（2）Ingredient：Lithium tailing 52kg, steel slag tailing 15kg, raw clay 33kg, water 42kg are packed into ball mill, are mixed and finely ground
13h crosses 80 meshes and removes iron；
（3）It is sintered the preparation of straight-through water delivery type water-permeable brick：Will except after iron ingredient be put into mud pit, filters pressing is at mud cake, then pugging,
Through pugging squeeze out mud section, mud section moisture content 17%, then by mud section extrusion forming be be uniformly distributed 8mm lead directly to water hole burning
The wet base of water-permeable brick is tied, is put on supporting plate after wet base cutting, drying alley kiln dry 12h at 80 DEG C is sent into and forms dry body, dry body exists
Calcining system is pressed in energy-saving double-layer tunnel oven：150 DEG C room temperature~1100 DEG C, heating rate/h, in 1100~1200 DEG C, heat preservation
1h, 75 DEG C 1200 >=T >=900 DEG C, rate of temperature fall/h, 200 DEG C 900 T >=700 DEG C >, rate of temperature fall/h, 700 T >=500 DEG C >,
50 DEG C/h of rate of temperature fall, 150 DEG C 500 T >=50 DEG C > of kiln discharge temperature, rate of temperature fall/h, wherein T is kiln temperature, at 1120 DEG C of high temperature
Firing, finished product brick.
Through detecting, the flexural strength 4.5MPa of product, tensile splitting strength 4.2MPa, coefficient of permeability 3.0 × 102Cm/s,
Wearability：Mill hole length 31mm, skid resistance：BPN 71, frost resistance are qualified；Index meets and is better than standard GB/T/T
25933-2010《Permeable pavement brick and porous pavement plate》Requirement.
Embodiment 2
A method of it being sintered straight-through water delivery type water-permeable brick using lithium tailing and the production of steel slag tailing, the method includes following steps
Suddenly：
（1）Lithium tailing, the processing of steel slag tailing homogenizing：By lithium tailing, steel slag tailing, homogenizing is handled respectively first, steel slag tailing homogenizing
After crushed 10 meshes, cross 20 meshes after lithium tailing homogenizing；
（2）Ingredient：Lithium tailing 55kg, steel slag tailing 20kg, raw clay 35kg, water 45kg are packed into ball mill, are mixed and finely ground
12h crosses 80 meshes and removes iron；
（3）It is sintered the preparation of straight-through water delivery type water-permeable brick：Will except after iron ingredient be put into mud pit, filters pressing is at mud cake, then pugging,
Through pugging squeeze out mud section, mud section moisture content 19%, then by mud section extrusion forming be be uniformly distributed 8mm lead directly to water hole burning
The wet base of water-permeable brick is tied, is put on supporting plate after wet base cutting, drying alley kiln dry 12h at 80 DEG C is sent into and forms dry body, dry body exists
Calcining system is pressed in energy-saving double-layer tunnel oven：150 DEG C room temperature~1100 DEG C, heating rate/h, in 1100~1200 DEG C, heat preservation
1h, 75 DEG C 1200 >=T >=900 DEG C, rate of temperature fall/h, 200 DEG C 900 T >=700 DEG C >, rate of temperature fall/h, 700 T >=500 DEG C >,
50 DEG C/h of rate of temperature fall, 150 DEG C 500 T >=50 DEG C > of kiln discharge temperature, rate of temperature fall/h, wherein T is kiln temperature, at 1150 DEG C of high temperature
Firing, finished product brick.
Through detecting, the flexural strength 5.0MPa of product, tensile splitting strength 4.8MPa, coefficient of permeability 3.2 × 102Cm/s,
Wearability：Mill hole length 30mm, skid resistance：BPN 72, frost resistance are qualified；Index meets and is better than standard GB/T/T
25933-2010《Permeable pavement brick and porous pavement plate》Requirement.
Embodiment 3
A method of it being sintered straight-through water delivery type water-permeable brick using lithium tailing and the production of steel slag tailing, the method includes following steps
Suddenly：
（1）Lithium tailing, the processing of steel slag tailing homogenizing：By lithium tailing, steel slag tailing, homogenizing is handled respectively first, steel slag tailing homogenizing
After crushed 10 meshes, cross 20 meshes after lithium tailing homogenizing；
（2）Ingredient：Lithium tailing 57kg, steel slag tailing 22kg, raw clay 38kg, water 47kg are packed into ball mill, are mixed and finely ground
13h crosses 80 meshes and removes iron；
（3）It is sintered the preparation of straight-through water delivery type water-permeable brick：Will except after iron ingredient be put into mud pit, filters pressing is at mud cake, then pugging,
Through pugging squeeze out mud section, mud section moisture content 18%, then by mud section extrusion forming be be uniformly distributed 8mm lead directly to water hole burning
The wet base of water-permeable brick is tied, is put on supporting plate after wet base cutting, drying alley kiln dry 12h at 80 DEG C is sent into and forms dry body, dry body exists
Calcining system is pressed in energy-saving double-layer tunnel oven：150 DEG C room temperature~1100 DEG C, heating rate/h, in 1100~1200 DEG C, heat preservation
1h, 75 DEG C 1200 >=T >=900 DEG C, rate of temperature fall/h, 200 DEG C 900 T >=700 DEG C >, rate of temperature fall/h, 700 T >=500 DEG C >,
50 DEG C/h of rate of temperature fall, 150 DEG C 500 T >=50 DEG C > of kiln discharge temperature, rate of temperature fall/h, wherein T is kiln temperature, at 1180 DEG C of high temperature
Firing, finished product brick.
Through detecting, the flexural strength 5.5MPa of product, tensile splitting strength 5.2MPa, coefficient of permeability 3.5 × 102Cm/s,
Wearability：Mill hole length 28mm, skid resistance：BPN 75, frost resistance are qualified；Index meets and is better than standard GB/T/T
25933-2010《Permeable pavement brick and porous pavement plate》Requirement.
Embodiment 4
A method of it being sintered straight-through water delivery type water-permeable brick using lithium tailing and the production of steel slag tailing, the method includes following steps
Suddenly：
（1）Lithium tailing, the processing of steel slag tailing homogenizing：By lithium tailing, steel slag tailing, homogenizing is handled respectively first, steel slag tailing homogenizing
After crushed 10 meshes, cross 20 meshes after lithium tailing homogenizing；
（2）Ingredient：Lithium tailing 50kg, steel slag tailing 10kg, raw clay 30kg, water 40kg are packed into ball mill, are mixed and finely ground
12h crosses 90 meshes and removes iron；
（3）It is sintered the preparation of straight-through water delivery type water-permeable brick：Will except after iron ingredient be put into mud pit, filters pressing is at mud cake, then pugging,
Through pugging squeeze out mud section, mud section moisture content 15%, then by mud section extrusion forming be be uniformly distributed 5mm lead directly to water hole burning
The wet base of water-permeable brick is tied, is put on supporting plate after wet base cutting, drying alley kiln dry 8h at 60 DEG C is sent into and forms dry body, dry body is saving
Calcining system can be pressed in double-layer tunnel kiln：150 DEG C room temperature~1100 DEG C, heating rate/h, 1100~1200 DEG C, heat preservation 1h,
75 DEG C 1200 >=T >=900 DEG C, rate of temperature fall/h, 200 DEG C 900 T >=700 DEG C >, rate of temperature fall/h, 700 T >=500 DEG C >, drop
Warm 50 DEG C/h of rate, 150 DEG C 500 T >=50 DEG C > of kiln discharge temperature, rate of temperature fall/h, wherein T is kiln temperature, is burnt at 1100 DEG C of high temperature
At finished product brick.
Through detecting, the flexural strength 4.2MPa of product, tensile splitting strength 4.2MPa, coefficient of permeability 3.2 × 102Cm/s,
Wearability：Mill hole length 32mm, skid resistance：BPN 68, frost resistance are qualified；Index meets and is better than standard GB/T/T
25933-2010《Permeable pavement brick and porous pavement plate》Requirement.
Embodiment 5
A method of it being sintered straight-through water delivery type water-permeable brick using lithium tailing and the production of steel slag tailing, the method includes following steps
Suddenly：
（1）Lithium tailing, the processing of steel slag tailing homogenizing：By lithium tailing, steel slag tailing, homogenizing is handled respectively first, steel slag tailing homogenizing
After crushed 10 meshes, cross 20 meshes after lithium tailing homogenizing；
（2）Ingredient：Lithium tailing 60kg, steel slag tailing 25kg, raw clay 40kg, water 50kg are packed into ball mill, are mixed and finely ground
15h is sieved with 100 mesh sieve except iron；
（3）It is sintered the preparation of straight-through water delivery type water-permeable brick：Will except after iron ingredient be put into mud pit, filters pressing is at mud cake, then pugging,
Through pugging squeeze out mud section, mud section moisture content 20%, then by mud section extrusion forming be be uniformly distributed 10mm lead directly to water hole burning
The wet base of water-permeable brick is tied, is put on supporting plate after wet base cutting, drying alley kiln dry 12h at 80 DEG C is sent into and forms dry body, dry body exists
Calcining system is pressed in energy-saving double-layer tunnel oven：150 DEG C room temperature~1100 DEG C, heating rate/h, in 1100~1200 DEG C, heat preservation
1h, 75 DEG C 1200 >=T >=900 DEG C, rate of temperature fall/h, 200 DEG C 900 T >=700 DEG C >, rate of temperature fall/h, 700 T >=500 DEG C >,
50 DEG C/h of rate of temperature fall, 150 DEG C 500 T >=50 DEG C > of kiln discharge temperature, rate of temperature fall/h, wherein T is kiln temperature, at 1200 DEG C of high temperature
Firing, finished product brick.
Through detecting, the flexural strength 4.8MPa of product, tensile splitting strength 4.6MPa, coefficient of permeability 3.1 × 102Cm/s,
Wearability：Mill hole length 25mm, skid resistance：BPN 78, frost resistance are qualified；Index meets and is better than standard GB/T/T
25933-2010《Permeable pavement brick and porous pavement plate》Requirement.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that：Still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (9)
1. a kind of method for being sintered straight-through water delivery type water-permeable brick using lithium tailing and the production of steel slag tailing, which is characterized in that described
Method includes the following steps：
（1）Lithium tailing, the processing of steel slag tailing homogenizing：By lithium tailing, steel slag tailing, homogenizing is handled respectively first, steel slag tailing homogenizing
After crush, the two is sieved respectively；
（2）Ingredient：Lithium tailing, steel slag tailing, raw clay, water are packed into ball mill, 12~15h is mixed and finely ground, crosses 80~100
Mesh removes iron；
（3）It is sintered the preparation of straight-through water delivery type water-permeable brick：Ingredient is put into mud pit after iron being removed, and filters pressing is at mud cake, then through white silk
Mud squeezes out mud section, then mud section extrusion forming is put on supporting plate after wet base cutting, is sent into be sintered the straight-through wet base of water delivery type water-permeable brick
The dry formation dry body of drying alley kiln drying, dry body are burnt by calcining system at 1100~1200 DEG C of high temperature in energy-saving double-layer tunnel oven
At finished product brick.
2. a kind of side for being sintered straight-through water delivery type water-permeable brick using lithium tailing and the production of steel slag tailing according to claim 1
Method, which is characterized in that the step（1）In, it crushed 10 meshes after steel slag tailing homogenizing, cross 20 meshes after lithium tailing homogenizing.
3. a kind of side for being sintered straight-through water delivery type water-permeable brick using lithium tailing and the production of steel slag tailing according to claim 1
Method, which is characterized in that the step（2）50~60 parts of lithium tailing, 10~25 parts of steel slag tailing, raw clay 30 is added in ingredient
~40 parts, finally plus 40~50 parts of water.
4. a kind of produced using lithium tailing and steel slag tailing according to claim 1 to 3 is sintered straight-through water delivery type
The method of water-permeable brick, which is characterized in that the step（3）In, the mud section moisture content 15~20% through pugging extrusion.
5. a kind of produced using lithium tailing and steel slag tailing according to claim 1 to 3 is sintered straight-through water delivery type
The method of water-permeable brick, which is characterized in that the step（3）In, it is sintered above the straight-through wet base of water delivery type water-permeable brick and is uniform-distribution with
The edge spacing of the straight-through water hole of 5~10mm of diameter, two neighboring water hole not less than 20mm and is not more than 50mm.
6. a kind of produced using lithium tailing and steel slag tailing according to claim 1 to 3 is sintered straight-through water delivery type
The method of water-permeable brick, which is characterized in that the step（3）In, wet base is put on supporting plate, is sent into drying alley kiln at 60~80 DEG C
Dry 8~12h forms dry body.
7. a kind of produced using lithium tailing and steel slag tailing according to claim 1 to 3 is sintered straight-through water delivery type
The method of water-permeable brick, which is characterized in that the step（3）In, calcining system is：Room temperature~1100 DEG C, 150 DEG C of heating rate/
H, in 1100~1200 DEG C, heat preservation 1h, 75 DEG C 1200 >=T >=900 DEG C, rate of temperature fall/h, 900 T >=700 DEG C >, rate of temperature fall
200 DEG C/h, 50 DEG C 700 T >=500 DEG C >, rate of temperature fall/h, 150 DEG C 500 T >=50 DEG C > of kiln discharge temperature, rate of temperature fall/h,
Middle T is kiln temperature.
8. a kind of produced using lithium tailing and steel slag tailing according to claim 1 to 3 is sintered straight-through water delivery type
The method of water-permeable brick, which is characterized in that the lithium tailing main chemical compositions and content：SiO2：78.01%,Al2O3：14.96%,
Fe2O3：0.35%,CaO：0.28%,K2O：1.87%,Na2O：3.12%；The steel slag tailing main chemical compositions and content：SiO2：
16.73%、Al2O3：5.06%,Fe2O3：2.3%,TiO2：0.86%,CaO：48%,MgO：11.62%,K2O：0.075%,Na2O：
0.17%、SO3：0.57%,MnO2：2.21%,CaF2：2.2%,Fe：0.68%,P2O5 ：1.04%,Loss：2.58%.
9. a kind of produced using lithium tailing and steel slag tailing according to claim 1 to 3 is sintered straight-through water delivery type
The method of water-permeable brick, which is characterized in that the sintering of the method production lead directly to the permeable brick product flexural strength of water delivery type 4.2~
5.5MPa, 4.2~5.2MPa of tensile splitting strength, coefficient of permeability 3.0~3.5 × 10-2cm/s；Wearability：Mill hole length≤
35mm, skid resistance：BPN >=60, frost resistance are qualified.
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| CN112279626A (en) * | 2020-11-13 | 2021-01-29 | 咸阳陶瓷研究设计院有限公司 | Method for preparing sintered ceramic water permeable brick by using steel slag |
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| CN109824345A (en) * | 2019-01-29 | 2019-05-31 | 唐山燕山钢铁有限公司 | Using vessel slag and lithium tailing as the preparation method of the ceramic water-permeable brick of raw material |
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| CN113716939A (en) * | 2021-09-30 | 2021-11-30 | 五莲宏邦资源循环科技有限公司 | Multi-mixing amount sawn mud square brick and preparation method thereof |
| CN117142837A (en) * | 2023-10-30 | 2023-12-01 | 山东恒远利废技术股份有限公司 | Method for manufacturing water filtering material by using lithium slag |
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