CN107814553A - A kind of production method of domestic sewage factory firing sludge clinker bricks in environmental protection - Google Patents
A kind of production method of domestic sewage factory firing sludge clinker bricks in environmental protection Download PDFInfo
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- CN107814553A CN107814553A CN201710887620.5A CN201710887620A CN107814553A CN 107814553 A CN107814553 A CN 107814553A CN 201710887620 A CN201710887620 A CN 201710887620A CN 107814553 A CN107814553 A CN 107814553A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1321—Waste slurries, e.g. harbour sludge, industrial muds
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
-
- 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
- C04B33/135—Combustion residues, e.g. fly ash, incineration waste
- C04B33/1352—Fuel ashes, e.g. fly ash
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/6269—Curing of mixtures
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to clinker bricks in environmental protection technical field,Especially a kind of production method of domestic sewage factory firing sludge clinker bricks in environmental protection,The present invention is with flyash,Domestic sludge,Architecture sediment is as primary raw material brickmaking,Pass through twice laid,Turn waste into wealth,Greatly save land resource,First mixed material is stirred,It is aged for a long time again,Moisture is set uniformly to be mixed with mixed material,And during ageing,Every 3 hours toward regularly adding water in old material pond,Prevent mixed material from solidifying,It is convenient to carry out second of stirring,Clay and cement are added during being stirred at second,Substantially increase the plasticity of mixed material,Brickmaking machine made brick is facilitated to be molded,The intensity of brickmaking finished product is improved simultaneously,Adobe is divided into preheating in brick-baking kiln,Calcining,Cool down three steps,Prevent that adobe is quenched or quenching causes adobe to deform,Substantially increase the aesthetics of brickmaking finished product.
Description
Technical field
The invention belongs to clinker bricks in environmental protection technical field, and more specifically, more particularly to a kind of domestic sewage factory sludge burns
The production method of produced environment friendly fired brick.
Background technology
The species of brick is a lot, by raw materials be divided into clay brick, shale brick, colliery wastes brick, flyash brick, Dinas brickes and
Cinder brick etc.；Can be divided into fired brick and no-firing brick by production technology, wherein no-firing brick can be divided into again pressed brick, steamed brick and
Steam-pressing brisk etc.；It can be divided into common brick, porous brick, hollow brick by hole is whether there is.Fired brick has had more than 2,000 year to go through in China
History, it is still a kind of current very extensive materials for wall.Fired brick has certain intensity, there is preferable heat-insulated, sound insulation property again,
Fired brick can still be used as a kind of main material to be used in masonry project within a period of time from now on.
With the fast development of China's infrastructure, the demand of building brick is also increasing.Fired brick is easy due to raw material
, easy to manufacture, cost is cheap, build by laying bricks or stones flexibly etc. excellent properties, it is many area by as one of main materials for wall, go through
Do not waned through thousands of years, it is still a large amount of in many modern architectures to be generally had to using fired brick with clay or with similar clay
Shale, gangue or the other materials of energy, the plasticity required for producing shaping；Also risen simultaneously with inserts in base substrate
To skeleton function, beneficial to the moisture discharged when drying in base substrate, control the excess shrinkage of product, crackle and assigned in plastic forming
Give the intensity that base substrate is certain.
But the production method of traditional fired brick, generally use excavate soil as brick producing material, cause certain waste,
And the production method of traditional fired brick, complex operation, bake bricks of poor quality, the defects of certain be present, it is therefore desirable to improve.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of domestic sewage factory sludge proposed
Fire the production method of clinker bricks in environmental protection.
To achieve the above object, the present invention provides following technical scheme：
A kind of production method of domestic sewage factory firing sludge clinker bricks in environmental protection, comprises the following steps：
S1, first add water in mixer, then start mixer, then successively by flyash, domestic sludge, building slag
The husky essence of soil, rock, stone nitre are added in mixer, stir 30-50 minutes；
S2, mixer stir 30-50 minutes, stop mixer, then control mixer reverse, mixed material is poured into
In old material pond；
S3, mixed material are aged 7 days in old material pond, are allowed moisture to be fully infiltrated into inside the particle of mixed material, are made moisture
Uniformly mixed with mixed material, increase its plasticity, in the process, every 3 hours toward in old material pond plus water, prevent mixture
Material solidification；
After the completion of S4, mixed material ageing, mixed material is added in mixer and carries out second of stirring, in the mistake of stirring
Clay and cement are added in journey, 40-60 minutes is stirred, mixed material is fully merged；
S5, after the completion of mixed material second stirs, mixed material is transported at brickmaking machine, passes through brickmaking machine supporting brick
Base；
S6 to, adobe is transported to dry indoor seasoning, 120 DEG C~150 DEG C of drying temperature, dried 8 to 12 hours；
After the completion of S7, brick bat drying, adobe to be sent into brick-baking kiln and calcined, adobe is divided into three steps in brick-baking kiln,
First step preheats：For temperature at 200 DEG C -300 DEG C, preheating time is 2-3 hours, and second step is calcined：By the temperature in brick-baking kiln
Degree is gradually increased to 1000 DEG C -1400 DEG C, calcines duration 23-25 hours, third step cooling：Gradually reduce the temperature in brickkiln
Degree, temperature fall time 5-6 hours；
S7, finally the finished product for firing completion is transported to outside brick-baking kiln and piled up.
Preferably, according to water 70-90 parts, flyash 35-45 parts, domestic sludge 15-25 described in mass component meter in S1
Part, architecture sediment 35-45 parts, the husky smart 3-6 parts of rock, stone nitre 2-4 parts.
Preferably, in S3 according to mass component meter every 3 hours toward added water in the old material pond be 10-15 parts.
Preferably, described clay 10-15 parts, cement 5-10 are added during stirring according to mass component meter in S4
Part.
Preferably, the mixer is JZM350 mixers, and the brickmaking machine is qt10 brickmaking machines.
The technique effect and advantage of the present invention：A kind of domestic sewage factory firing sludge clinker bricks in environmental protection provided by the invention
Production method, compared with conventional art, the present invention passes through using flyash, domestic sludge, architecture sediment as primary raw material brickmaking
Twice laid, turn waste into wealth, greatly save land resource, be first stirred mixed material, then be aged for a long time,
Allow moisture to be fully infiltrated into inside the particle of mixed material, moisture is uniformly mixed with mixed material, increase its plasticity, Er Qie
During ageing, every 3 hours toward water is regularly added in old material pond, prevent mixed material from solidifying, it is convenient to be stirred for the second time
Mix, add clay and cement during being stirred at second, substantially increase the plasticity of mixed material, facilitate brickmaking mechanism
Brick is molded, while improves the intensity of brickmaking finished product, and adobe is divided into three preheating, calcining, cooling steps in brick-baking kiln, prevents
Adobe is quenched or quenching causes adobe to deform, and substantially increases the aesthetics of brickmaking finished product.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example only part of the embodiment of the present invention, rather than whole embodiments.Specific embodiment described herein only to
The present invention is explained, is not intended to limit the present invention.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out under the premise of creative work the every other embodiment obtained, belong to the scope of protection of the invention.
Embodiment 1
A kind of production method of domestic sewage factory firing sludge clinker bricks in environmental protection, comprises the following steps：
S1, first add water in mixer, then start mixer, then successively by flyash, domestic sludge, building slag
The husky essence of soil, rock, stone nitre are added in mixer, stir 30-50 minutes, according to 80 parts of water described in mass component meter, 40 parts of flyash,
20 parts of domestic sludge, 40 parts of architecture sediment, rock husky smart 5 parts, 3 parts of stone nitre；
S2, mixer stir 30-50 minutes, stop mixer, then control mixer reverse, mixed material is poured into
In old material pond；
S3, mixed material are aged 7 days in old material pond, are allowed moisture to be fully infiltrated into inside the particle of mixed material, are made moisture
Uniformly mixed with mixed material, increase its plasticity, in the process, every 3 hours toward 14 parts of water of addition in old material pond, prevented
Mixed material solidifies；
After the completion of S4, mixed material ageing, mixed material is added in mixer and carries out second of stirring, in the mistake of stirring
8 parts of 10 parts of clay and cement are added in journey, 40-60 minutes is stirred, mixed material is fully merged；
S5, after the completion of mixed material second stirs, mixed material is transported at brickmaking machine, passes through brickmaking machine supporting brick
Base；
S6 to, adobe is transported to dry indoor seasoning, 120 DEG C~150 DEG C of drying temperature, dried 8 to 12 hours；
After the completion of S7, brick bat drying, adobe to be sent into brick-baking kiln and calcined, adobe is divided into three steps in brick-baking kiln,
First step preheats：For temperature at 200 DEG C -300 DEG C, preheating time is 2-3 hours, and second step is calcined：By the temperature in brick-baking kiln
Degree is gradually increased to 1000 DEG C -1400 DEG C, calcines duration 23-25 hours, third step cooling：Gradually reduce the temperature in brickkiln
Degree, temperature fall time 5-6 hours；
S7, finally the finished product for firing completion is transported to outside brick-baking kiln and piled up.
Embodiment 2
A kind of production method of domestic sewage factory firing sludge clinker bricks in environmental protection, comprises the following steps：
S1, first add water in mixer, then start mixer, then successively by flyash, domestic sludge, building slag
The husky essence of soil, rock, stone nitre are added in mixer, stir 30-50 minutes, according to 90 parts of water described in mass component meter, 45 parts of flyash,
25 parts of domestic sludge, 45 parts of architecture sediment, rock husky smart 5 parts, 3 parts of stone nitre；
S2, mixer stir 30-50 minutes, stop mixer, then control mixer reverse, mixed material is poured into
In old material pond；
S3, mixed material are aged 7 days in old material pond, are allowed moisture to be fully infiltrated into inside the particle of mixed material, are made moisture
Uniformly mixed with mixed material, increase its plasticity, in the process, every 3 hours toward addition 15 parts of water of water in old material pond, prevented
Only mixed material solidifies；
After the completion of S4, mixed material ageing, mixed material is added in mixer and carries out second of stirring, in the mistake of stirring
8 parts of 10 parts of clay and cement are added in journey, 40-60 minutes is stirred, mixed material is fully merged；
S5, after the completion of mixed material second stirs, mixed material is transported at brickmaking machine, passes through brickmaking machine supporting brick
Base；
S6 to, adobe is transported to dry indoor seasoning, 120 DEG C~150 DEG C of drying temperature, dried 8 to 12 hours；
After the completion of S7, brick bat drying, adobe to be sent into brick-baking kiln and calcined, adobe is divided into three steps in brick-baking kiln,
First step preheats：For temperature at 200 DEG C -300 DEG C, preheating time is 2-3 hours, and second step is calcined：By the temperature in brick-baking kiln
Degree is gradually increased to 1000 DEG C -1400 DEG C, calcines duration 23-25 hours, third step cooling：Gradually reduce the temperature in brickkiln
Degree, temperature fall time 5-6 hours；
S7, finally the finished product for firing completion is transported to outside brick-baking kiln and piled up.
Embodiment 3
A kind of production method of domestic sewage factory firing sludge clinker bricks in environmental protection, comprises the following steps：
S1, first add water in mixer, then start mixer, then successively by flyash, domestic sludge, building slag
The husky essence of soil, rock, stone nitre are added in mixer, stir 30-50 minutes, according to 70 parts of water described in mass component meter, 35 parts of flyash,
15 parts of domestic sludge, 35 parts of architecture sediment, rock husky smart 3 parts, 2 parts of stone nitre；
S2, mixer stir 30-50 minutes, stop mixer, then control mixer reverse, mixed material is poured into
In old material pond；
S3, mixed material are aged 7 days in old material pond, are allowed moisture to be fully infiltrated into inside the particle of mixed material, are made moisture
Uniformly mixed with mixed material, increase its plasticity, in the process, every 3 hours toward addition 15 parts of water of water in old material pond, prevented
Only mixed material solidifies；
After the completion of S4, mixed material ageing, mixed material is added in mixer and carries out second of stirring, in the mistake of stirring
8 parts of 10 parts of clay and cement are added in journey, 40-60 minutes is stirred, mixed material is fully merged；
S5, after the completion of mixed material second stirs, mixed material is transported at brickmaking machine, passes through brickmaking machine supporting brick
Base；
S6 to, adobe is transported to dry indoor seasoning, 120 DEG C~150 DEG C of drying temperature, dried 8 to 12 hours；
After the completion of S7, brick bat drying, adobe to be sent into brick-baking kiln and calcined, adobe is divided into three steps in brick-baking kiln,
First step preheats：For temperature at 200 DEG C -300 DEG C, preheating time is 2-3 hours, and second step is calcined：By the temperature in brick-baking kiln
Degree is gradually increased to 1000 DEG C -1400 DEG C, calcines duration 23-25 hours, third step cooling：Gradually reduce the temperature in brickkiln
Degree, temperature fall time 5-6 hours；
S7, finally the finished product for firing completion is transported to outside brick-baking kiln and piled up.
In summary：The production method of a kind of domestic sewage factory firing sludge clinker bricks in environmental protection provided by the invention, with biography
System technology is compared, and the present invention, by twice laid, becomes useless using flyash, domestic sludge, architecture sediment as primary raw material brickmaking
For treasured, land resource is greatlyd save, is first stirred mixed material, then be aged for a long time, allow moisture fully to ooze
Enter inside the particle of mixed material, moisture is uniformly mixed with mixed material, increase its plasticity, and in the process of ageing
In, every 3 hours toward water is regularly added in old material pond, prevent mixed material from solidifying, it is convenient to carry out second and stir, at second
Clay and cement are added during stirring, substantially increases the plasticity of mixed material, facilitates brickmaking machine made brick to be molded, simultaneously
Improve the intensity of brickmaking finished product, adobe is divided into three preheating, calcining, cooling steps in brick-baking kiln, prevent adobe be quenched or
Quenching causes adobe to deform, and substantially increases the aesthetics of brickmaking finished product.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic,
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (5)
1. a kind of production method of domestic sewage factory firing sludge clinker bricks in environmental protection, comprises the following steps：
S1, first add water in mixer, then start mixer, then successively by flyash, domestic sludge, architecture sediment, rock
Husky essence, stone nitre are added in mixer, stir 30-50 minutes；
S2, mixer stir 30-50 minutes, stop mixer, then control mixer reverse, mixed material is poured into old material
In pond；
S3, mixed material are aged 7 days in old material pond, allow moisture to be fully infiltrated into inside the particle of mixed material, make moisture with mixing
Compound material uniformly mixes, and increases its plasticity, in the process, every 3 hours toward in old material pond plus water, prevents mixed material from coagulating
Gu；
After the completion of S4, mixed material ageing, mixed material is added in mixer and carries out second of stirring, during stirring
Clay and cement are added, 40-60 minutes is stirred, mixed material is fully merged；
S5, after the completion of mixed material second stirs, mixed material is transported at brickmaking machine, adobe is supported by brickmaking machine；
S6 to, adobe is transported to dry indoor seasoning, 120 DEG C~150 DEG C of drying temperature, dried 8 to 12 hours；
After the completion of S7, brick bat drying, adobe to be sent into brick-baking kiln and calcined, adobe is divided into three steps in brick-baking kiln, and first
Step preheats：For temperature at 200 DEG C -300 DEG C, preheating time is 2-3 hours, and second step is calcined；By the temperature in brick-baking kiln by
1000 DEG C -1400 DEG C are gradually increased to, is calcined duration 23-25 hours, third step cooling；Gradually reduce the temperature in brickkiln, drop
Warm time 5-6 hours；
S7, finally the finished product for firing completion is transported to outside brick-baking kiln and piled up.
2. a kind of production method of domestic sewage factory firing sludge clinker bricks in environmental protection according to claim 1, its feature exist
In：According to water 70-90 parts, flyash 35-45 parts, domestic sludge 15-25 parts, architecture sediment described in mass component meter in S1
35-45 parts, the husky smart 3-6 parts of rock, stone nitre 2-4 parts.
3. a kind of production method of domestic sewage factory firing sludge clinker bricks in environmental protection according to claim 1, its feature exist
In：In S3 according to mass component meter every 3 hours toward added water in the old material pond be 10-15 parts.
4. a kind of production method of domestic sewage factory firing sludge clinker bricks in environmental protection according to claim 1, its feature exist
In：Described clay 10-15 parts, cement 5-10 parts are added during stirring according to mass component meter in S4.
5. a kind of production method of domestic sewage factory firing sludge clinker bricks in environmental protection according to claim 1, its feature exist
In：The mixer is JZM350 mixers, and the brickmaking machine is qt10 brickmaking machines.
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| CN201710887620.5A CN107814553A (en) | 2017-09-27 | 2017-09-27 | A kind of production method of domestic sewage factory firing sludge clinker bricks in environmental protection |
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| CN201710887620.5A CN107814553A (en) | 2017-09-27 | 2017-09-27 | A kind of production method of domestic sewage factory firing sludge clinker bricks in environmental protection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041052A (en) * | 2019-05-31 | 2019-07-23 | 张华艳 | A kind of water-permeable brick and its manufacturing method of rapid infiltrated |
| CN110668788A (en) * | 2019-10-17 | 2020-01-10 | 湖北玉鑫新型墙材有限公司 | Method for making bricks by using sludge wastewater |
| CN113979724A (en) * | 2021-10-28 | 2022-01-28 | 青岛农业大学 | Sintered brick and preparation method and application thereof |
| CN114180909A (en) * | 2021-12-10 | 2022-03-15 | 深圳市文浩环保再生有限公司 | Regenerated environment-friendly water purifying brick and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041052A (en) * | 2019-05-31 | 2019-07-23 | 张华艳 | A kind of water-permeable brick and its manufacturing method of rapid infiltrated |
| CN110668788A (en) * | 2019-10-17 | 2020-01-10 | 湖北玉鑫新型墙材有限公司 | Method for making bricks by using sludge wastewater |
| CN113979724A (en) * | 2021-10-28 | 2022-01-28 | 青岛农业大学 | Sintered brick and preparation method and application thereof |
| CN113979724B (en) * | 2021-10-28 | 2022-10-28 | 青岛农业大学 | Sintered brick and preparation method and application thereof |
| CN114180909A (en) * | 2021-12-10 | 2022-03-15 | 深圳市文浩环保再生有限公司 | Regenerated environment-friendly water purifying brick and preparation method thereof |
| CN114180909B (en) * | 2021-12-10 | 2022-09-27 | 深圳市文浩环保再生有限公司 | Regenerated environment-friendly water purifying brick and preparation method thereof |
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Application publication date: 20180320 |