CN111410512A - Method for preparing light sintered brick by utilizing basalt solid waste - Google Patents
Method for preparing light sintered brick by utilizing basalt solid waste Download PDFInfo
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- CN111410512A CN111410512A CN202010197991.2A CN202010197991A CN111410512A CN 111410512 A CN111410512 A CN 111410512A CN 202010197991 A CN202010197991 A CN 202010197991A CN 111410512 A CN111410512 A CN 111410512A
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- 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
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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
- C04B33/1328—Waste materials; Refuse; Residues without additional clay
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- C04B33/00—Clay-wares
- C04B33/32—Burning methods
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- 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
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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- 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
- C04B2235/6562—Heating rate
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- 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
- C04B2235/6567—Treatment time
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
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- 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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- 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
- C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
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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
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- 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 relates to the technical field of light sintered brick preparation, in particular to a method for preparing a light sintered brick by utilizing solid basalt waste, which comprises the steps of weighing raw materials according to a certain proportion, putting the raw materials into a pug mill together for stirring and pugging to uniformly mix the raw materials to form pug, forming the pug by a plastic extruding machine, preparing a green brick with a certain specification, putting the green brick into a drying furnace for drying to form a dried green brick, conveying the dried green brick into the kiln for sintering, preserving heat in the kiln for a certain time, cooling to obtain the light sintered brick, preparing by utilizing the solid basalt waste as a main raw material, solidifying heavy metal in the solid basalt waste by high-temperature sintering, realizing the utilization of waste and harmless resource, saving natural mineral resources, being beneficial to environmental protection and improvement, wherein the prepared light sintered brick belongs to an inorganic heat preservation material, has the advantages of light weight, high strength, corrosion resistance, no aging, etc.
Description
Technical Field
The invention relates to the technical field of light sintered brick preparation, in particular to a method for preparing a light sintered brick by utilizing basalt solid waste.
Background
The bricks for building load-bearing and non-load-bearing walls, which are prepared by using clay, shale, coal gangue or fly ash as raw materials through molding and high-temperature roasting, are collectively called as baked bricks. According to different raw materials, the brick is divided into a sintered clay brick, a sintered fly ash brick, a sintered shale brick and the like. The sintered common brick is called as a sintered common brick when the solid or hole rate of the sintered common brick is less than 25%. The production and use of common clay bricks have been in our country for more than 3000 years. Nowadays, common clay bricks still dominate among wall materials used in construction projects. Although the common clay brick has many defects, the common clay brick is still one of the main wall materials for a long time in the future, particularly in rural areas, due to low price, simple process, mature design and construction technology, use inertia of people and the like.
At present, basalt is used as a chemical raw material, the main components of the basalt are silicon dioxide, aluminum oxide, iron oxide, calcium oxide, magnesium oxide and the like, wherein the content of the silicon dioxide is the largest, solid wastes generated after the basalt is produced in chemical production are usually buried after treatment, the utilization rate of the basalt solid wastes is reduced, and meanwhile, certain pollution is caused to the environment. In view of the above, we propose a method for preparing light baked bricks by using basalt solid waste.
Disclosure of Invention
The invention aims to provide a method for preparing a light sintered brick by utilizing basalt solid waste so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for preparing a light sintered brick by utilizing basalt solid waste comprises the following steps:
step 1: preparing raw materials, weighing the raw materials according to a certain proportion, putting the raw materials into a pug mill together for stirring and pugging, and uniformly mixing the raw materials to form pug;
step 2: molding, namely molding the pug by a plastic extruding machine to prepare a green brick with a certain specification;
and step 3: putting the green brick into a drying furnace for drying to form a dried green brick;
and 4, step 4: and (3) sintering the dried brick blank in a kiln, preserving heat in the kiln for a certain time, and cooling to obtain the light sintered brick.
Preferably, in step 1, the raw materials include a main raw material and an auxiliary raw material, the main raw material is basalt solid waste, and the auxiliary raw material is one or a mixture of kaolin, bauxite and clay.
Preferably, the doping proportion of the basalt solid waste is not less than 70%.
Preferably, in step 1, the moisture content of the pug is not more than 19%.
Preferably, in step 2, the green brick is at least one of a solid brick and a perforated brick.
Preferably, in step 3, the drying temperature of the drying oven is between 80 and 150 ℃, and the moisture content of the dried green bricks is not more than 1%.
Preferably, in the step 4, the temperature rise rate of the kiln is 2-5 ℃/min, the sintering temperature in the kiln is 1080-.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the method for preparing the light sintered brick by utilizing the solid basalt waste, the solid basalt waste is used as a main raw material for preparation, the proportion of the solid basalt waste is over 70%, the hardness and the compression resistance of the light sintered brick are improved, meanwhile, heavy metal in the solid basalt waste is solidified through high-temperature sintering, so that the recycling and harmless utilization of waste are realized, natural mineral resources are saved, and the environmental protection and improvement are facilitated.
2. According to the method for preparing the light sintered brick by utilizing the basalt solid waste, the prepared light sintered brick belongs to an inorganic heat-insulating material, has the advantages of light weight, high strength, corrosion resistance and no aging, and is a novel self-heat-insulating wall material.
Drawings
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a schematic diagram of the raw material composition in the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a technical solution provided by the present invention is:
a method for preparing a light sintered brick by utilizing basalt solid waste comprises the following steps:
step 1: preparing raw materials, weighing the raw materials according to a certain proportion, putting the raw materials into a pug mill together for stirring and pugging, and uniformly mixing the raw materials to form pug;
step 2: molding, namely molding the pug by a plastic extruding machine to prepare a green brick with a certain specification;
and step 3: putting the green brick into a drying furnace for drying to form a dried green brick;
and 4, step 4: and (3) feeding the dried brick blank into a kiln for sintering, preserving heat in the kiln for a certain time, and cooling to obtain the light sintered brick.
In this embodiment, in step 1, the raw materials include a main raw material and an auxiliary raw material, the main raw material is basalt solid waste, the doping proportion of the basalt solid waste is not less than 70%, and the auxiliary raw material is one or a mixture of kaolin, bauxite and clay.
Specifically, the main raw material and the auxiliary raw material can be weighed according to the following proportion, wherein the proportion of basalt solid waste is 70%, kaolin is 30% or the proportion of basalt solid waste is 95%, bauxite is 5% or the proportion of basalt solid waste is 85%, bauxite is 8%, and clay is 7%.
Further, in the step 1, the moisture of the mud is not more than 19%, and when the basalt solid waste accounts for 70% and the kaolin accounts for 30% of the raw materials, the moisture of the mud is controlled to be 15%; when the basalt solid waste accounts for 95% and bauxite accounts for 5% of the raw materials, the water content of the mud is controlled to be 19%; when the basalt solid waste accounts for 85 percent, the bauxite accounts for 8 percent and the clay accounts for 7 percent of the raw materials, the water content of the mud is controlled at 17 percent.
In addition, in the step 2, the green brick is at least one of a solid brick and a perforated brick, and the solid brick or the perforated brick with different specifications can be manufactured according to the actual use requirement.
It is worth pointing out that in the step 3, the drying temperature of the drying oven is between 80 ℃ and 150 ℃, and the moisture content of the dried green brick is not more than 1%. Ensuring that the dried green brick has stronger hardness.
In addition, in the step 4, the temperature rise rate of the kiln is 2-5 ℃/min, the sintering temperature in the kiln is 1080-3The strength is 10-21.0MPa, and the brick is a high-quality brick material in the fields of heat insulation and water proofing layers of building outer walls, light wall building blocks, indoor partition walls and roofs.
In the method for preparing the light sintered brick by utilizing the basalt solid waste, the raw materials are weighed according to a certain proportion, the raw materials are jointly loaded into a pug mill for stirring and pugging, so that the raw materials are uniformly mixed to form pug, the pug is molded by a plastic extruding machine and made into green bricks with certain specifications, and the green bricks are put into a drying furnace for drying to form dried green bricks; the dried brick blanks are sent into a kiln for sintering, and are cooled after being kept warm for a certain time in the kiln to obtain light sintered bricks, the solid waste of basalt is used as a main raw material for preparation, the proportion of the solid waste of basalt is more than 70%, the hardness and the compressive capacity of the light sintered bricks are improved, meanwhile, heavy metal in the solid waste of basalt is solidified through high-temperature sintering, so that the recycling and harmless utilization of wastes are realized, natural mineral resources are saved, the environment protection and improvement are facilitated, the prepared light sintered bricks belong to inorganic heat-insulating materials, and have the advantages of light weight, high strength, corrosion resistance and no aging, and the light sintered bricks are novel self-heat-insulating wall body materials and are convenient to popularize and popularize.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A method for preparing a light sintered brick by utilizing basalt solid waste is characterized by comprising the following steps: the method comprises the following steps:
step 1: preparing raw materials, weighing the raw materials according to a certain proportion, putting the raw materials into a pug mill together for stirring and pugging, and uniformly mixing the raw materials to form pug;
step 2: molding, namely molding the pug by a plastic extruding machine to prepare a green brick with a certain specification;
and step 3: putting the green brick into a drying furnace for drying to form a dried green brick;
and 4, step 4: and (3) sintering the dried brick blank in a kiln, preserving heat in the kiln for a certain time, and cooling to obtain the light sintered brick.
2. The method for preparing the light baked brick by utilizing the basalt solid waste according to claim 1, characterized by comprising the following steps: in the step 1, the raw materials comprise a main raw material and an auxiliary raw material, wherein the main raw material is basalt solid waste, and the auxiliary raw material is one or a mixture of kaolin, bauxite and clay.
3. The method for preparing the light baked brick by utilizing the basalt solid waste according to claim 2, characterized by comprising the following steps: the doping proportion of the basalt solid waste is not less than 70%.
4. The method for preparing the light baked brick by utilizing the basalt solid waste according to claim 1, characterized by comprising the following steps: in the step 1, the moisture of the pug is not more than 19%.
5. The method for preparing the light baked brick by utilizing the basalt solid waste according to claim 1, characterized by comprising the following steps: in step 2, the green brick is at least one of a solid brick and a perforated brick.
6. The method for preparing the light baked brick by utilizing the basalt solid waste according to claim 1, characterized by comprising the following steps: in the step 3, the drying temperature of the drying furnace is between 80 and 150 ℃, and the moisture content of the dried green bricks is not more than 1 percent.
7. The method for preparing the light baked brick by utilizing the basalt solid waste according to claim 1, characterized by comprising the following steps: in the step 4, the temperature rise rate of the kiln is 2-5 ℃/min, the sintering temperature in the kiln is 1080-.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010197991.2A CN111410512A (en) | 2020-03-19 | 2020-03-19 | Method for preparing light sintered brick by utilizing basalt solid waste |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010197991.2A CN111410512A (en) | 2020-03-19 | 2020-03-19 | Method for preparing light sintered brick by utilizing basalt solid waste |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2162254A1 (en) * | 1971-12-15 | 1973-07-05 | Didier Werke Ag | Process for the production of heat storage stones |
| CN1706767A (en) * | 2004-06-07 | 2005-12-14 | 威海华元节能建筑材料有限公司 | Light heat-insulating sintered composite brick, building block and production method |
| CN109053142A (en) * | 2018-09-12 | 2018-12-21 | 上海环辉智能科技有限公司 | A kind of method and its Lightweight clinker brick preparing Lightweight clinker brick using oily sludge |
| CN109180149A (en) * | 2018-09-12 | 2019-01-11 | 上海环辉智能科技有限公司 | A kind of method and its plate preparing light-weight sintering plate using building solid waste |
-
2020
- 2020-03-19 CN CN202010197991.2A patent/CN111410512A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2162254A1 (en) * | 1971-12-15 | 1973-07-05 | Didier Werke Ag | Process for the production of heat storage stones |
| CN1706767A (en) * | 2004-06-07 | 2005-12-14 | 威海华元节能建筑材料有限公司 | Light heat-insulating sintered composite brick, building block and production method |
| CN109053142A (en) * | 2018-09-12 | 2018-12-21 | 上海环辉智能科技有限公司 | A kind of method and its Lightweight clinker brick preparing Lightweight clinker brick using oily sludge |
| CN109180149A (en) * | 2018-09-12 | 2019-01-11 | 上海环辉智能科技有限公司 | A kind of method and its plate preparing light-weight sintering plate using building solid waste |
Non-Patent Citations (1)
| Title |
|---|
| 于漧: "膨润土等六种非金属矿在烧结砖中的应用", 《砖瓦世界》 * |
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