CN108069701A - Water-permeable brick and preparation method thereof - Google Patents

Water-permeable brick and preparation method thereof Download PDF

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Publication number
CN108069701A
CN108069701A CN201711261554.7A CN201711261554A CN108069701A CN 108069701 A CN108069701 A CN 108069701A CN 201711261554 A CN201711261554 A CN 201711261554A CN 108069701 A CN108069701 A CN 108069701A
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CN
China
Prior art keywords
red mud
water
mud slag
weight
permeable brick
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Pending
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CN201711261554.7A
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Chinese (zh)
Inventor
马冬阳
苏双青
李亚奇
陈士朝
孙辉
边妙莲
吴道洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Province Metallurgical Design Institute Co Ltd
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Jiangsu Province Metallurgical Design Institute Co Ltd
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Publication date
Application filed by Jiangsu Province Metallurgical Design Institute Co Ltd filed Critical Jiangsu Province Metallurgical Design Institute Co Ltd
Priority to CN201711261554.7A priority Critical patent/CN108069701A/en
Publication of CN108069701A publication Critical patent/CN108069701A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • C04B33/1322—Red mud
    • 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
    • C04B33/131—Inorganic additives
    • 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
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/0038—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by superficial sintering or bonding of particulate matter
    • C04B38/0041—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by superficial sintering or bonding of particulate matter the particulate matter having preselected particle sizes
    • 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
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • 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

Abstract

The invention discloses a kind of water-permeable bricks and preparation method thereof, and this method includes：(1) hot red mud slag is subjected to water quenching, broken and screening process, to obtain red mud slag glass particle；(2) the red mud slag glass particle is mixed with waterglass, to obtain mixed material；(3) mixed material is injected in grinding tool and is molded and ripening, to obtain adobe；(4) adobe is heat-treated, to obtain water-permeable brick.It using this method can obtain that there is notable water penetration as a result, and compression strength is more than the high intensity water-permeable brick of 50MPa, so as to not only reduce the production cost of water-permeable brick, and realize the recycling of red mud slag.

Description

Water-permeable brick and preparation method thereof
Technical field
The invention belongs to water-permeable brick preparation fields, and specifically, the present invention relates to water-permeable bricks and preparation method thereof.
Background technology
Red mud slag mainly contains CaO, SiO2、Al2O3、Na2O、TiO2, residual C and a small amount of FeO, be red mud through " rotary hearth furnace carbon heat Reduction-combustion gas melts point stove and melts office reason red mud " after obtained byproduct.Hot red mud slag becomes amorphous state red mud through water extraction Slag glass particle, significant crystallization can be occurred by carrying out heat treatment by certain technique, and amorphous particle becomes red mud slag Microcrystal grain, compared to amorphous particle, red mud slag microcrystal grain volume-diminished, density increases, and mechanical property dramatically increases, power It is good to learn intensity height, wearability.
The brick body of water-permeable brick is covered with uniformly perforation micropore, is a kind of new building for making rainwater from brick body surface fast strikethrough Material is built, drain off floodwaters to mitigation city burden, alleviation urban heat land effect have significant effect.At present, water-permeable brick is due to manufacturing work The reason for skill generally existing mechanical strength relatively low, the features such as wearability is poor.
Therefore, the technology of preparing of existing water-permeable brick is further improved.
The content of the invention
It is contemplated that it solves at least some of the technical problems in related technologies.For this purpose, the present invention One purpose is to propose a kind of water-permeable brick and preparation method thereof.It can obtain that there is notable water penetration and pressure resistance using this method High intensity water-permeable brick of the degree more than 50MPa, so as to not only reduce the production cost of water-permeable brick, and realizes red mud slag Recycling.
In one aspect of the invention, the present invention proposes a kind of method for preparing water-permeable brick, implementation according to the present invention Example, this method include：
(1) hot red mud slag is subjected to water quenching, broken and screening process, to obtain red mud slag glass particle；
(2) the red mud slag glass particle is mixed with waterglass, to obtain mixed material；
(3) mixed material is injected in grinding tool and is molded and ripening, to obtain adobe；
(4) adobe is heat-treated, to obtain water-permeable brick.
The method for preparing water-permeable brick according to embodiments of the present invention, by the way that red mud slag glass particle and waterglass are carried out Mixing, because red mud slag glass particle be amorphous state, more crisp, mechanical property is poor, mix, be molded with waterglass, be aged after can The adobe with some strength is obtained, adobe is made of red mud slag glass particle at this time, by waterglass between particle and particle Keep adhesion；In heat treatment process, coring reaction occurs for red mud slag glass particle, is generated inside glass particle a large amount of brilliant Core, with the progress of heat treatment, a large amount of nucleus start to grow into small crystal, and red mud slag glass particle is changed into red mud and melts Slag microcrystal grain, volume-diminished, density increase, mechanical strength is promoted therewith, and generate a series of uniform, gas of unicom Hole improves the water penetration of brick body, while the Na in waterglass2O promotes red mud slag microcrystal grain and red mud slag crystallite Sintering reaction at particle contact surface ensure that the bond strength of red mud slag microcrystal grain, and then improve the mechanics of water-permeable brick Performance and wear-resisting property, cool down after heat treatment with stove, you can the high intensity water-permeable brick that compression strength is more than 50MPa is obtained, So as to not only reduce the production cost of water-permeable brick, and realize the recycling of red mud slag.
In addition, the method according to the above embodiment of the present invention for preparing water-permeable brick can also have following additional technology spy Sign：
In some embodiments of the invention, in step (1), the red mud slag includes：The oxidation of 10-30 parts by weight Calcium；The silica of 20-60 parts by weight；The aluminium oxide of 5-20 parts by weight；The sodium oxide molybdena of 1-7 parts by weight；The dioxy of 2-5 parts by weight Change titanium；The ferrous oxide of 0.5-2 parts by weight；And the carbon residue of 0.1-0.5 parts by weight.As a result, by regarding red mud slag as system The raw material of standby water-permeable brick uses, and can not only significantly reduce the cost of material of water-permeable brick, but also can realize the money of red mud slag Sourceization utilizes.
In some embodiments of the invention, in step (1), the temperature of the hot red mud slag is 1400~1600 Degree Celsius.The energy consumption for preparing water-permeable brick technique is advantageously reduced as a result,.
In some embodiments of the invention, in step (1), the grain size of the red mud slag glass particle is 0.5- 1.5mm.Be conducive to improve the grade of water-permeable brick as a result,.
In some embodiments of the invention, in step (2), the red mud slag glass particle and the waterglass Mixing quality ratio is (15-20)：1.It can further improve the grade of water-permeable brick as a result,.
In some embodiments of the invention, in step (4), it is according to the following steps that the adobe is carried out heat treatment It carries out：The adobe is risen into 600~700 degrees Celsius of heat preservations 3~4 from room temperature with the heating rate of 5~10 degrees celsius/minutes Hour, then with the heating rate of 3~5 degrees celsius/minutes rise to 800~950 degrees Celsius heat preservation 2~3 it is small when.It as a result, can be into One step improves the grade of water-permeable brick.
In another aspect of the invention, the present invention proposes a kind of water-permeable brick.According to an embodiment of the invention, it is described de- Water brick is prepared using the above-mentioned method for preparing water-permeable brick.It can obtain that there is notable water penetration and compression strength as a result, High intensity water-permeable brick more than 50MPa.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description It obtains substantially or is recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment Substantially and it is readily appreciated that, wherein：
Fig. 1 is the method flow schematic diagram according to an embodiment of the invention for preparing water-permeable brick.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In one aspect of the invention, the present invention proposes a kind of method for preparing water-permeable brick, implementation according to the present invention Example, with reference to figure 1, this method includes：
S100：Hot red mud slag is subjected to water quenching, broken and screening process
In the step, hot red mud slag is subjected to water quenching, broken and screening process, to obtain red mud slag glass Grain.Specifically, hot red mud slag is obtained by " rotary hearth furnace carbon thermal reduction-combustion gas melts a point stove and melts office reason red mud " technique, It quenches through normal-temperature water, can obtain the red mud slag glass particle that granularity differs, then through broken and screening, you can it obtains granularity and meets It is required that red mud slag glass particle.
According to one embodiment of present invention, red mud slag can include：The calcium oxide of 10-30 parts by weight；20-60 weight The silica of part；The aluminium oxide of 5-20 parts by weight；The sodium oxide molybdena of 1-7 parts by weight；The titanium dioxide of 2-5 parts by weight；0.5-2 weights Measure the ferrous oxide of part；And the carbon residue of 0.1-0.5 parts by weight.Thus, it is possible to water-permeable brick is prepared using the red mud slag.
According to still a further embodiment, the temperature of hot red mud slag can be 1400~1600 degrees Celsius.By This, by the way that hot red mud slag at this temperature is directly carried out room temperature water quenching, can allow the stress inside red mud slag short It is significantly improved in time, so as to obtain the relatively small red mud slag glass particle of granularity, reduces the energy consumption of follow-up crushing process.
According to still another embodiment of the invention, the grain size of red mud slag glass particle can be 0.5-1.5mm.Inventor It was found that if the grain size of red mud slag glass particle is excessive, contact area is smaller between particle, it is difficult to larger combination power is generated, The mechanical strength of water-permeable brick will be significantly reduced；And if the grain size of red mud slag glass particle is too small, the porosity of water-permeable brick It will reduce, and significantly affect the permeable effect of water-permeable brick.
S200：Red mud slag glass particle is mixed with waterglass
In the step, red mud slag glass particle is mixed with waterglass, to obtain mixed material.Be conducive to as a result, The shaping of subsequent mixtures material and ripening.
According to one embodiment of present invention, the mixing quality of red mud slag glass particle and waterglass ratio can be (15- 20)：1.Inventor has found, if the mixing quality of red mud slag glass particle and waterglass, than excessively high, waterglass content is relatively not Sufficient, the bond strength between red mud slag particles is difficult to ensure that, can cause the reduction of water-permeable brick mechanical strength；And if red mud slag glass The mixing quality of glass particle and waterglass is than too low, the content relative surplus of waterglass, and waterglass can be caused to be full of in water-permeable brick Gap in, reduce its permeability rate.
S300：Mixed material is injected in grinding tool and is molded and ripening
In the step, mixed material is injected in grinding tool and is molded and ripening, to obtain adobe.Invention human hair Existing, red mud slag glass particle is amorphous state, and more crisp, mechanical property is poor, is mixed with waterglass, injects die for molding, is old Change a period of time after can obtain the adobe with some strength, adobe is made of red mud slag glass particle at this time, particle with Adhesion is kept by waterglass between grain.
S400：Adobe is heat-treated
In the step, adobe is heat-treated, to obtain water-permeable brick.Inventor has found, red in heat treatment process Coring reaction occurs for mud slag glass particle, a large amount of nucleus is generated inside glass particle, with the progress of heat treatment, a large amount of nucleus Start to grow into small crystal, red mud slag glass particle is changed into red mud slag microcrystal grain, and volume-diminished, density increase Add, mechanical strength is promoted therewith, and generates a series of uniform, stomatas of unicom, improve the water penetration of brick body, while water Na in glass2O promotes red mud slag microcrystal grain and the sintering reaction at red mud slag microcrystal grain contact surface, ensure that The bond strength of red mud slag microcrystal grain, cools down after heat treatment with stove, you can obtains the height that compression strength is more than 50MPa Intensity water-permeable brick.
According to one embodiment of present invention, it can be carried out according to the following steps adobe to be carried out heat treatment：By brick Base from room temperature with the heating rate of 5~10 degrees celsius/minutes rise to 600~700 degrees Celsius heat preservation 3~4 it is small when, then with 3~5 The heating rate of degrees celsius/minute rise to 800~950 degrees Celsius heat preservation 2~3 it is small when.Inventor find, by adobe from room temperature with The heating rate of 5~10 degrees celsius/minutes rise to 600~700 degrees Celsius of heat preservations 3~4 it is small when, red mud slag glass particle at this time Generation coring is reacted, and a large amount of nucleus are generated inside glass particle；Afterwards 800 are risen to the heating rate of 3~5 degrees celsius/minutes When~950 degrees Celsius of heat preservations 2~3 are small, a large amount of nucleus start to grow into small crystal, and red mud slag glass particle is changed into red Mud slag microcrystal grain, volume-diminished, density increase, mechanical strength is promoted therewith, and generate a series of uniform, unicom Stomata improves the water penetration of brick body, while the Na in waterglass2O promotes red mud slag microcrystal grain and red mud slag is micro- Sintering reaction at brilliant particle contact surface, ensure that the bond strength of red mud slag microcrystal grain.It is dropped after heat treatment with stove Temperature, you can obtain the high intensity water-permeable brick that compression strength is more than 50MPa.
The method for preparing water-permeable brick according to embodiments of the present invention, by the way that red mud slag glass particle and waterglass are carried out Mixing, because red mud slag glass particle be amorphous state, more crisp, mechanical property is poor, mix, be molded with waterglass, be aged after can The adobe with some strength is obtained, adobe is made of red mud slag glass particle at this time, by waterglass between particle and particle Keep adhesion；In heat treatment process, coring reaction occurs for red mud slag glass particle, is generated inside glass particle a large amount of brilliant Core, with the progress of heat treatment, a large amount of nucleus start to grow into small crystal, and red mud slag glass particle is changed into red mud and melts Slag microcrystal grain, volume-diminished, density increase, mechanical strength is promoted therewith, and generate a series of uniform, gas of unicom Hole improves the water penetration of brick body, while the Na in waterglass2O promotes red mud slag microcrystal grain and red mud slag crystallite Sintering reaction at particle contact surface ensure that the bond strength of red mud slag microcrystal grain, and then improve the mechanics of water-permeable brick Performance and wear-resisting property, cool down after heat treatment with stove, you can the high intensity water-permeable brick that compression strength is more than 50MPa is obtained, So as to not only reduce the production cost of water-permeable brick, and realize the recycling of red mud slag.
In another aspect of the invention, the present invention proposes a kind of water-permeable brick.According to an embodiment of the invention, it is described de- Water brick is prepared using the above-mentioned method for preparing water-permeable brick.It can obtain that there is notable water penetration and compression strength as a result, High intensity water-permeable brick more than 50MPa.It is it should be noted that above-mentioned for the described feature of method for preparing water-permeable brick and excellent Point is equally applicable to the water-permeable brick, and details are not described herein again.
Below with reference to specific embodiment, present invention is described, it is necessary to which explanation, these embodiments are only to describe Property, without limiting the invention in any way.
Embodiment 1
Select the hot red mud slag obtained by through " rotary hearth furnace reduction-combustion gas melt point stove melt point " processing red mud, it is chemical into It is divided into：16 parts by weight of CaO, Al2O38 parts by weight, SiO250 parts by weight, Na25 parts by weight of O, TiO24 parts by weight, 2 weights of FeO Measure part, 0.3 parts by weight of residual C.The hot red mud slag water quenching, the red mud for crushing, granularity 0.8mm or so being obtained after screening are melted Slag glass particle；The glass particle and waterglass are pressed 15：1 quality is injected in mold, ageing 12 obtains red than mixing when small Mud slag glass adobe；The adobe is kept the temperature under 670 degrees Celsius 2 it is small when carry out coring reaction, then be warming up under 930 degrees Celsius Keep the temperature 2 it is small when carry out crystallization and sintering reaction, cool down afterwards with stove, obtained the red mud slag crystallite brick of appearance nattierblue Base, compression strength are more than 50MPa, and water permeability is good.
Embodiment 2
Select the hot red mud slag obtained by through " rotary hearth furnace reduction-combustion gas melt point stove melt point " processing red mud, it is chemical into It is divided into：17 parts by weight of CaO, Al2O312 parts by weight, SiO245 parts by weight, Na24 parts by weight of O, TiO25 parts by weight, FeO 1.5 parts by weight, 0.2 parts by weight of residual C.The red of granularity 0.8mm or so will be obtained after the hot red mud slag water quenching, broken, screening Mud slag glass particle；The glass particle and waterglass are pressed 18：1 quality is injected in mold, ageing 10 obtains when small than mixing To red mud slag glass adobe；The adobe is kept the temperature under 650 degrees Celsius 2 it is small when carry out coring reaction, then to be warming up to 950 Celsius The lower heat preservation 2 of degree carries out crystallization and sintering reaction when small, cools down afterwards with stove, the red mud slag for having obtained appearance nattierblue is micro- Brilliant adobe, compression strength are more than 56MPa, and water permeability is good.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms is not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It is combined in an appropriate manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field Art personnel can tie the different embodiments described in this specification or example and different embodiments or exemplary feature It closes and combines.
Although the embodiment of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (7)

  1. A kind of 1. method for preparing water-permeable brick, which is characterized in that including：
    (1) hot red mud slag is subjected to water quenching, broken and screening process, to obtain red mud slag glass particle；
    (2) the red mud slag glass particle is mixed with waterglass, to obtain mixed material；
    (3) mixed material is injected in grinding tool and is molded and ripening, to obtain adobe；
    (4) adobe is heat-treated, to obtain water-permeable brick.
  2. 2. according to the method described in claim 1, it is characterized in that, in step (1), the red mud slag includes：
    The calcium oxide of 10-30 parts by weight；
    The silica of 20-60 parts by weight；
    The aluminium oxide of 5-20 parts by weight；
    The sodium oxide molybdena of 1-7 parts by weight；
    The titanium dioxide of 2-5 parts by weight；
    The ferrous oxide of 0.5-2 parts by weight；And
    The carbon residue of 0.1-0.5 parts by weight.
  3. 3. method according to claim 1 or 2, which is characterized in that in step (1), the temperature of the hot red mud slag It spends for 1400~1600 degrees Celsius.
  4. 4. according to the method described in claim 3, it is characterized in that, in step (1), the grain of the red mud slag glass particle Footpath is 0.5-1.5mm.
  5. 5. according to the method described in claim 1, it is characterized in that, in step (2), the red mud slag glass particle and institute The mixing quality ratio for stating waterglass is (15-20)：1.
  6. 6. according to the method described in claim 1, it is characterized in that, in step (4), by the adobe carry out heat treatment be by It is carried out according to the following steps：
    It is 3~4 small that the adobe from room temperature is risen into 600~700 degrees Celsius of heat preservations with the heating rate of 5~10 degrees celsius/minutes When, then with the heating rate of 3~5 degrees celsius/minutes rise to 800~950 degrees Celsius heat preservation 2~3 it is small when.
  7. 7. a kind of water-permeable brick, which is characterized in that the dehydration brick is prepared into using the method any one of claim 1-6 It arrives.
CN201711261554.7A 2017-12-04 2017-12-04 Water-permeable brick and preparation method thereof Pending CN108069701A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711261554.7A CN108069701A (en) 2017-12-04 2017-12-04 Water-permeable brick and preparation method thereof

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Application Number Priority Date Filing Date Title
CN201711261554.7A CN108069701A (en) 2017-12-04 2017-12-04 Water-permeable brick and preparation method thereof

Publications (1)

Publication Number Publication Date
CN108069701A true CN108069701A (en) 2018-05-25

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Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN108069701A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110342905A (en) * 2019-06-26 2019-10-18 商洛学院 High-performance water permeable brick and preparation method thereof
CN111908925A (en) * 2019-05-08 2020-11-10 山东理工大学 Red mud permeable brick and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111908925A (en) * 2019-05-08 2020-11-10 山东理工大学 Red mud permeable brick and preparation method thereof
CN110342905A (en) * 2019-06-26 2019-10-18 商洛学院 High-performance water permeable brick and preparation method thereof
CN110342905B (en) * 2019-06-26 2022-05-13 商洛学院 High-performance water permeable brick and preparation method thereof

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