CN111847942A - Manufacturing process for comprehensively utilizing marble saw mud - Google Patents
Manufacturing process for comprehensively utilizing marble saw mud Download PDFInfo
- Publication number
- CN111847942A CN111847942A CN202010780758.7A CN202010780758A CN111847942A CN 111847942 A CN111847942 A CN 111847942A CN 202010780758 A CN202010780758 A CN 202010780758A CN 111847942 A CN111847942 A CN 111847942A
- Authority
- CN
- China
- Prior art keywords
- marble
- mud
- meshes
- machine
- value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/12—Waste materials; Refuse from quarries, mining or the like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
-
- 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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Dispersion Chemistry (AREA)
- Wood Science & Technology (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a manufacturing process for comprehensively utilizing marble sawing mud, which comprises low value-added products, medium value-added products and high value-added products, wherein the low value-added products are obtained by primarily screening the marble sawing mud, and large-particle waste materials with the particle size of less than 60 meshes are used for manufacturing sand, cement bricks and water permeable bricks; the medium value-added product is finely-grained marble saw mud with the deep processing granularity of more than 60 meshes, and for materials with the granularity of about 200 meshes, the materials are deeply processed into low-grade ceramic glaze with the whiteness of about 50 degrees; the high value-added product is prepared by deep processing marble sawn mud with the granularity of about 200 meshes into potassium-sodium feldspar powder with the whiteness of about 80 degrees, and the potassium-sodium feldspar powder is used as a glaze material and a base material of high-grade ceramic tiles and daily ceramics; the material with about 1000 meshes is used as high-grade coating and water-based paint additive. The manufacturing process for comprehensively utilizing the marble saw mud effectively improves the utilization value of the marble saw mud and is beneficial to environmental protection.
Description
Technical Field
The invention relates to the field of marble processing, in particular to a manufacturing process for comprehensively utilizing marble saw mud.
Background
The stone processing industry promotes economic development, but various leftover materials and waste residues, particularly saw mud, which are produced by stone processing and are measured in trillions of tons are directly aired and dried without any treatment and are randomly stacked outside a stone factory, and are increased at a speed of tens of thousands of tons per month, so that the stone processing industry occupies a large area of good land and becomes the first public enemy of environmental pollution. How to treat and reasonably utilize the saw mud waste materials and turn waste into wealth becomes a difficult problem to be solved urgently in the stone processing industry.
In the prior art, there are methods for further processing and reusing the sawn mud generated by stone processing, such as landfill treatment or sand making by crushing, which are commonly adopted. However, the methods generally have the problems of small size and material with low utilization value, relatively small treatment amount, easy generation of secondary pollution and the like, for example, the land after landfill is not suitable for building or cultivation. Generally, the application of the marble saw mud is not fully developed, the comprehensive utilization is not mentioned, the resource waste phenomenon exists, the saw mud is piled up by waste, but the composition of the saw mud is marble plate material, and the shape of the saw mud is changed into powder due to cutting processing. Therefore, since a large amount of valuable components are contained in such huge waste materials, and technical research on recycling and further processing of the saw sludge generated in marble processing is urgently needed from the viewpoint of environmental protection and resource development and utilization, we have proposed a manufacturing process for comprehensively utilizing the marble saw sludge.
Disclosure of Invention
The invention mainly aims to provide a manufacturing process for comprehensively utilizing marble saw mud, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a manufacturing process for comprehensively utilizing marble sawing mud comprises the following steps of low value-added products, medium value-added products and high value-added products:
the low value-added product is obtained by primarily screening marble saw mud, and using large-particle waste with the particle size of less than 60 meshes for preparing sand, cement bricks and water permeable bricks;
the medium value-added product is finely-grained marble sawn mud with the deep processing granularity of more than 60 meshes, and materials with the granularity of about 200 meshes are deeply processed into low-grade ceramic glaze with the whiteness of about 50 degrees by using an electromagnetic slurry machine;
the high value-added product is prepared by deep processing marble sawn mud with the granularity of about 200 meshes into potassium-sodium feldspar powder with the whiteness of about 80 ℃ by using an electromagnetic slurry machine, a flotation machine, a filter screen and a filter press, and the potassium-sodium feldspar powder is used as a high-grade ceramic tile glaze and a glaze and base material of domestic ceramics; for materials with about 1000 meshes, the materials are processed into potassium-sodium feldspar powder by a micro powder processing set machine (a ball mill, a dust remover and a winnowing machine) and used as high-grade coating and water-based paint additives.
Preferably, the low value-added product is used for screening the saw mud, the equipment comprises a crushing screening machine and a filter press, the screened coarse-grained waste is directly used for building sand or the screened coarse-grained waste sand is mixed with cement, and under the action of the filter press, the civil building wall building bricks or the water permeable bricks for urban municipal engineering are prepared.
Preferably, the medium value-added product is used for removing impurities from the screened material, the equipment is an electromagnetic sizing machine, and the low-grade ceramic tile base material with low whiteness requirement is prepared.
Preferably, the high value-added product removes impurities from the screened material, and the equipment is an electromagnetic slurry machine, a flotation machine, a filter sieve and a filter press to prepare the high-grade ceramic tile glaze with high whiteness.
Preferably, the high value-added product is used for removing impurities from the screened material, and the equipment is a ball mill, a dust remover, a winnowing machine, an electromagnetic pulp machine, a flotation machine, a filter screen and a filter press, so that high-grade paint and water-based paint additive with high whiteness can be prepared.
Preferably, the processing process flow of the potassium-sodium feldspar powder is as follows:
step one, screening: screening the marble saw mud to obtain a material with about 200 meshes;
step two, size mixing: performing bar pulp on the material obtained in the step one through an electromagnetic pulp machine to obtain pulp;
step three, demagnetizing and filter pressing: carrying out multistage demagnetization treatment on the slurry obtained in the step two by using a flotation machine, and carrying out filter pressing by using a filter press to remove iron ore powder contained in the slurry;
step four, concentration and dehydration: and concentrating the demagnetized slurry by using a concentrator, and dehydrating by using a dehydrator to obtain the required potassium-sodium feldspar powder.
And the wastewater generated in the filter pressing process in the second step and the wastewater generated in the concentration and dehydration in the third step can be added into the size mixing process in the second step for continuous use after three-stage precipitation.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the marble saw mud is processed in a classified manner, so that sand, cement bricks and water permeable bricks can be manufactured; low-grade ceramic glaze; the utilization value of the marble sawing mud is improved by various different types of materials such as high-grade ceramic tile glaze, household ceramic glaze and base material, high-grade coating and water-based paint additive;
2. according to the invention, the marble saw mud is deeply developed, so that the resource waste rate can be reduced, the pollution of the traditional marble waste material stacking to the environment is reduced, and the water resource reuse rate is high in the marble saw mud processing process.
Drawings
Fig. 1 is a utilization route diagram of a manufacturing process for comprehensively utilizing marble saw mud according to the present invention;
fig. 2 is a process flow diagram of potassium-sodium feldspar powder of the manufacturing process of comprehensively utilizing marble saw mud.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, a manufacturing process for comprehensively utilizing marble sawing mud includes low value-added products, medium value-added products and high value-added products: the low value-added product is obtained by primarily screening marble saw mud, and using large-particle waste with the particle size of less than 60 meshes for preparing sand, cement bricks and water permeable bricks; the medium value-added product is finely-grained marble sawn mud with the deep processing granularity of more than 60 meshes, and materials with the granularity of about 200 meshes are deeply processed into low-grade ceramic glaze with the whiteness of about 50 degrees by using an electromagnetic slurry machine; the high value-added product is prepared by deep processing marble sawn mud with the granularity of about 200 meshes into potassium-sodium feldspar powder with the whiteness of about 80 ℃ by using an electromagnetic slurry machine, a flotation machine, a filter screen and a filter press, and the potassium-sodium feldspar powder is used as a high-grade ceramic tile glaze and a glaze and base material of domestic ceramics; for materials with about 1000 meshes, the materials are processed into potassium-sodium feldspar powder by a micro powder processing set machine (a ball mill, a dust remover and a winnowing machine) and used as high-grade coating and water-based paint additives.
The low value-added product is used for screening the saw mud, the equipment is a crushing screening machine and a filter press, the screened coarse-grained waste is directly used for building sand or the screened coarse-grained waste sand is mixed with cement, and under the action of the filter press, the water permeable brick for civil building wall bricks or urban municipal engineering is prepared.
The medium value-added product is used for removing impurities from the screened materials, the equipment is an electromagnetic sizing machine, and the low-grade ceramic tile base material with low whiteness requirement is prepared.
The high value-added product removes impurities from the screened material, and the equipment comprises an electromagnetic slurry machine, a flotation machine, a filter sieve and a filter press, so that the high-grade ceramic tile glaze with higher whiteness is prepared.
The high value-added product removes impurities from the screened materials, and the equipment comprises a ball mill, a dust remover, a winnowing machine, an electromagnetic slurry machine, a flotation machine, a filter sieve and a filter press, so that high-grade paint and water-based paint additive with high whiteness can be prepared.
The processing process flow of the potassium-sodium feldspar powder is as follows:
step one, screening: screening the marble saw mud to obtain a material with about 200 meshes;
step two, size mixing: performing bar pulp on the material obtained in the step one through an electromagnetic pulp machine to obtain pulp;
step three, demagnetizing and filter pressing: carrying out multistage demagnetization treatment on the slurry obtained in the step two by using a flotation machine, and carrying out filter pressing by using a filter press to remove iron ore powder contained in the slurry;
step four, concentration and dehydration: and concentrating the demagnetized slurry by using a concentrator, and dehydrating by using a dehydrator to obtain the required potassium-sodium feldspar powder.
And the wastewater generated in the filter pressing process in the second step and the wastewater generated in the concentration and dehydration in the third step can be added into the size mixing process in the second step for continuous use after three-stage precipitation.
In conclusion, the marble sawn mud is classified, processed and treated, so that sand, cement bricks and water permeable bricks can be manufactured; low-grade ceramic glaze; the glaze of high-grade ceramic tiles, the glaze and base material of domestic ceramics, high-grade paint and water-based paint additive are various different types of materials, so that the use value of the marble sawing mud is improved; carry out degree of depth development to marble saw mud, can reduce the unrestrained rate of resource, alleviate the pollution that traditional marble waste material pile caused the environment, and in the marble saw mud course of working, the waste water of production can reuse, the water economy resource after tertiary sediment.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A manufacturing process for comprehensively utilizing marble sawing mud comprises low value-added products, medium value-added products and high value-added products, and is characterized in that:
the low value-added product is obtained by primarily screening marble saw mud, and using large-particle waste with the particle size of less than 60 meshes for preparing sand, cement bricks and water permeable bricks;
the medium value-added product is finely-grained marble sawn mud with the deep processing granularity of more than 60 meshes, and materials with the granularity of about 200 meshes are deeply processed into low-grade ceramic glaze with the whiteness of about 50 degrees by using an electromagnetic slurry machine;
the high value-added product is prepared by deep processing marble sawn mud with the granularity of about 200 meshes into potassium-sodium feldspar powder with the whiteness of about 80 ℃ by using an electromagnetic slurry machine, a flotation machine, a filter screen and a filter press, and the potassium-sodium feldspar powder is used as a high-grade ceramic tile glaze and a glaze and base material of domestic ceramics; for materials with about 1000 meshes, the materials are processed into potassium-sodium feldspar powder by a micro powder processing set machine (a ball mill, a dust remover and a winnowing machine) and used as high-grade coating and water-based paint additives.
2. The process for manufacturing marble saw mud comprehensively utilized according to claim 1, wherein: the low value-added product is used for screening the saw mud, the equipment is a crushing screening machine and a filter press, the screened coarse-grained waste is directly used for building sand or the screened coarse-grained waste sand is mixed with cement, and under the action of the filter press, the water permeable brick for civil building wall bricks or urban municipal engineering is prepared.
3. The process for manufacturing marble saw mud comprehensively utilized according to claim 1, wherein: the medium value-added product is used for removing impurities from the screened materials, the equipment is an electromagnetic sizing machine, and the low-grade ceramic tile base material with low whiteness requirement is prepared.
4. The process for manufacturing marble saw mud comprehensively utilized according to claim 1, wherein: the high value-added product removes impurities from the screened material, and the equipment comprises an electromagnetic slurry machine, a flotation machine, a filter sieve and a filter press, so that the high-grade ceramic tile glaze with higher whiteness is prepared.
5. The process for manufacturing marble saw mud comprehensively utilized according to claim 1, wherein: the high value-added product removes impurities from the screened materials, and the equipment comprises a ball mill, a dust remover, a winnowing machine, an electromagnetic slurry machine, a flotation machine, a filter sieve and a filter press, so that high-grade paint and water-based paint additive with high whiteness can be prepared.
6. The process for manufacturing marble saw mud comprehensively utilized according to claim 1, wherein: the processing process flow of the potassium-sodium feldspar powder is as follows:
step one, screening: screening the marble saw mud to obtain a material with about 200 meshes;
step two, size mixing: performing bar pulp on the material obtained in the step one through an electromagnetic pulp machine to obtain pulp;
step three, demagnetizing and filter pressing: carrying out multistage demagnetization treatment on the slurry obtained in the step two by using a flotation machine, and carrying out filter pressing by using a filter press to remove iron ore powder contained in the slurry;
step four, concentration and dehydration: and concentrating the demagnetized slurry by using a concentrator, and dehydrating by using a dehydrator to obtain the required potassium-sodium feldspar powder.
7. The process for manufacturing marble saw mud comprehensively utilized according to claim 2, wherein: and the wastewater generated in the filter pressing process in the second step and the wastewater generated in the concentration and dehydration in the third step can be added into the size mixing process in the second step for continuous use after three-stage precipitation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010780758.7A CN111847942A (en) | 2020-08-06 | 2020-08-06 | Manufacturing process for comprehensively utilizing marble saw mud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010780758.7A CN111847942A (en) | 2020-08-06 | 2020-08-06 | Manufacturing process for comprehensively utilizing marble saw mud |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111847942A true CN111847942A (en) | 2020-10-30 |
Family
ID=72972216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010780758.7A Withdrawn CN111847942A (en) | 2020-08-06 | 2020-08-06 | Manufacturing process for comprehensively utilizing marble saw mud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111847942A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112974469A (en) * | 2021-02-04 | 2021-06-18 | 中兴惠和(山东)环保科技有限公司 | Resourceful treatment process for saw mud |
-
2020
- 2020-08-06 CN CN202010780758.7A patent/CN111847942A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112974469A (en) * | 2021-02-04 | 2021-06-18 | 中兴惠和(山东)环保科技有限公司 | Resourceful treatment process for saw mud |
| CN112974469B (en) * | 2021-02-04 | 2022-03-08 | 中兴惠和(山东)环保科技有限公司 | Resourceful treatment process for saw mud |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101033066B (en) | Method of recovering silicon carbide micro-powder | |
| CN100569381C (en) | The iron-removing concentrating process of potassic feldspar | |
| CN102120576A (en) | Method for recycling silicon carbide micropowder from waste mortar produced by cutting silicon wafer | |
| CN112828002A (en) | Construction waste recycling method | |
| CN101666129A (en) | Construction waste sintering brick and production method thereof | |
| CN109111208B (en) | Iron tailing baked brick and preparation method thereof | |
| CN105837067B (en) | A kind of red mud and flyash geology polymer material formula and preparation method thereof | |
| CN110328047B (en) | Method for preparing ceramic raw material from granite stone sawn mud stone powder | |
| CN111499138A (en) | Recycling treatment method for river sludge | |
| CN109231897A (en) | A kind of shield dregs is innoxious, recycling processing method | |
| CN104291539B (en) | One utilizes CO2method with spent acid Combined Treatment Bayer process red mud dealkalize | |
| CN101935203A (en) | Household ceramic produced by comprehensively utilizing various tailings and manufacturing method thereof | |
| CN103664137A (en) | Method for preparing ceramic by mainly taking kaolin tailing as raw material | |
| CN111482256A (en) | Construction waste recycling process | |
| CN112759293A (en) | Concrete admixture, concrete product and preparation method thereof | |
| CN111153664A (en) | Road base material produced by stabilizing waste concrete building waste aggregate with lime red mud | |
| CN111847942A (en) | Manufacturing process for comprehensively utilizing marble saw mud | |
| CN103193424A (en) | Method for producing pervious concrete through comprehensive utilization of coal gangues | |
| CN110757618A (en) | Method for producing baking-free bricks by comprehensively utilizing furnace slag | |
| CN109695059B (en) | Preparation method of gypsum whisker | |
| CN102642854A (en) | Treatment method of red mud in Bayer process production flow of aluminum oxide | |
| CN103864306A (en) | Full-solid waste high-strength glass ceramic as well as preparation method and application thereof | |
| CN215355292U (en) | Slag recycling device of household garbage incinerator | |
| CN109320207A (en) | Production line is prepared using the haydite of mud class waste | |
| CN102699013B (en) | Pulverized fuel ash comprehensive treatment technique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201030 |