CN111592338A - Stone powder brick making process - Google Patents
Stone powder brick making process Download PDFInfo
- Publication number
- CN111592338A CN111592338A CN202010361799.2A CN202010361799A CN111592338A CN 111592338 A CN111592338 A CN 111592338A CN 202010361799 A CN202010361799 A CN 202010361799A CN 111592338 A CN111592338 A CN 111592338A
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- China
- Prior art keywords
- raw material
- stone powder
- brick
- firing
- brick making
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Classifications
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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
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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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- 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
- C04B33/24—Manufacture of porcelain or white ware
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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 stone powder brick making process, which comprises the following steps: step one, a screening process: sieving the stone powder to remove large particles; step two, batching process: adding water into the raw material a obtained in the step one, and uniformly stirring to obtain a raw material b; step three, a staling process: ageing the raw material b obtained in the step two; step four, a forming procedure: forming the raw material c obtained in the step three to obtain a blank body d; step five, a drying procedure: drying the embryo body d obtained in the step four; step six, a firing process: and (4) firing the green brick e obtained in the fifth step. The invention has the beneficial effects that: 1. the invention uses the aggregate stone powder as the raw material, which is beneficial to reducing the discharge of solid waste in the production of the aggregate and improving the utilization efficiency of resources; 2. the invention does not use the clay raw material required by the traditional brick making, is beneficial to protecting clay resources and farmland protection; 3. the invention has large forming pressure, is beneficial to improving the compressive strength which can reach more than 30 MPa.
Description
Technical Field
The invention relates to the field of inorganic non-metallic materials, in particular to a stone powder brick making process.
Background
The dry method for producing the sandstone aggregate inevitably generates stone powder, a large amount of stone powder is easy to dust, adverse effects are caused to the environment, and precious ore resources are wasted. On the other hand, bricks are an important material in building engineering, the traditional production process needs a large amount of clay, the large amount of clay is used for exploiting precious clay resources or destroying cultivated land, and the resources and the cultivated land protection are adversely affected. If the stone powder can be applied to brick making, the environment protection is facilitated, the waste is changed into valuable, and the precious clay resource and the cultivated land are protected.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a stone powder brick making process.
The purpose of the invention is achieved by the following technical scheme: the invention discloses a stone powder brick making process, which comprises the following steps:
step one, a screening process:
sieving the stone powder to remove large particles to obtain a raw material a;
step two, batching process:
adding water into the raw material a obtained in the step one, and uniformly stirring to obtain a raw material b;
step three, a staling process:
ageing the raw material b obtained in the step two to obtain a raw material c;
step four, a forming procedure:
forming the raw material c obtained in the step three to obtain a blank body d;
step five, a drying procedure:
drying the blank d obtained in the step four to obtain a green brick e;
step six, a firing process:
firing the green brick e obtained in the fifth step to obtain a brick f; and the brick f is a finished product.
Furthermore, the stone powder in the step one is stone powder produced by dry preparation of sandstone aggregate; the diameter of the sieve pores used for sieving is 0.3-1 mm.
Furthermore, the mass percent of water in the raw material b in the step two is 7-15%.
Furthermore, the time of the aging treatment in the third step is 5-48 hours.
Further, the forming pressure in the fourth step is not less than 20 MPa.
Furthermore, in the drying procedure in the fifth step, the drying temperature is not less than 100 ℃, and the drying time is 2-6 hours.
Furthermore, in the sixth step, the sintering temperature in the sintering process is 850-1100 ℃, and the sintering time is 4.5-15 hours.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention uses the aggregate stone powder as the raw material, which is beneficial to reducing the discharge of solid waste in the production of the aggregate and improving the utilization efficiency of resources;
2. the invention does not use the clay raw material required by the traditional brick making, is beneficial to protecting clay resources and farmland protection;
3. the invention has large forming pressure, is beneficial to improving the compressive strength which can reach more than 30 MPa.
Drawings
FIG. 1 is a block diagram of the process flow of the present invention.
Detailed Description
The invention will be further described with respect to specific embodiments in conjunction with the following drawings:
as shown in fig. 1, the stone powder brick making process of the present invention comprises the following steps:
step one, a screening process:
sieving the stone powder to remove large particles to obtain a raw material a; the stone powder is produced by preparing the sandstone aggregate by a dry method; the diameter of the sieve pores used for sieving is 0.3-1 mm.
Step two, batching process:
adding water into the raw material a obtained in the step one, and uniformly stirring to obtain a raw material b; and the mass percent of water in the raw material b is 7-15%.
Step three, a staling process:
ageing the raw material b obtained in the step two to obtain a raw material c; the time of the staling treatment is 5-48 hours.
Step four, a forming procedure:
forming the raw material c obtained in the step three to obtain a blank body d; the molding pressure is not less than 20 MPa.
Step five, a drying procedure:
drying the blank d obtained in the step four at the drying temperature of not less than 100 ℃ for 2-6 hours to obtain a green brick e;
step six, a firing process:
firing the green brick e obtained in the fifth step, wherein in the firing process, the firing temperature is 850-1100 ℃, and the firing time is 4.5-15 hours; and obtaining the brick f, wherein the brick f is a finished product.
Example 1: the stone powder brick making process comprises the following steps:
step one, a screening process:
screening stone powder generated by preparing the sandstone aggregate by the dry method by using a sieve with a sieve hole of 1mm, and removing large particles to obtain a raw material a;
step two, batching process:
adding water into the raw material a obtained in the step one, and uniformly stirring to obtain a raw material b with the water content of 8% by mass;
step three, a staling process:
ageing the raw material b obtained in the step two for 24 hours to obtain a raw material c;
step four, a forming procedure:
molding the raw material c obtained in the step three under the pressure of 20MPa to obtain a blank body d;
step five, a drying procedure:
drying the blank d obtained in the fourth step for 3 hours at the temperature of 200-250 ℃ to obtain a green brick e;
step six, a firing process:
firing the green brick e obtained in the fifth step at 850-980 ℃ for 10 hours to obtain a brick f; the brick f is a finished product;
the invention has large forming pressure, is beneficial to improving the compressive strength, and the compressive strength reaches 31.4 MPa.
Example 2: the stone powder brick making process comprises the following steps:
step one, a screening process:
screening stone powder generated by preparing the sandstone aggregate by a dry method by using a screen with a screen hole of 0.5mm, and removing large particles to obtain a raw material a;
step two, batching process:
adding water into the raw material a obtained in the step one, and uniformly stirring to obtain a raw material b with the water content of 10% by mass;
step three, a staling process:
ageing the raw material b obtained in the step two for 12 hours to obtain a raw material c;
step four, a forming procedure:
molding the raw material c obtained in the step three under the pressure of 25MPa to obtain a blank body d;
step five, a drying procedure:
drying the blank d obtained in the fourth step for 4 hours at the temperature of 200-250 ℃ to obtain a green brick e;
step six, a firing process:
firing the green brick e obtained in the fifth step for 8 hours at 850-980 ℃ to obtain a brick f; the brick f is a finished product;
the invention has large forming pressure, is beneficial to improving the compressive strength, and the compressive strength reaches 33.8 MPa.
Example 3: the stone powder brick making process comprises the following steps:
step one, a screening process:
screening stone powder generated by preparing the sandstone aggregate by a dry method by using a screen with a screen hole of 0.5mm, and removing large particles to obtain a raw material a;
step two, batching process:
adding water into the raw material a obtained in the step one, and uniformly stirring to obtain a raw material b with the water content of 12% by mass;
step three, a staling process:
ageing the raw material b obtained in the step two for 8 hours to obtain a raw material c;
step four, a forming procedure:
molding the raw material c obtained in the step three under the pressure of 30MPa to obtain a blank body d;
step five, a drying procedure:
drying the blank d obtained in the fourth step for 3 hours at the temperature of 250-300 ℃ to obtain a green brick e;
step six, a firing process:
firing the green brick e obtained in the fifth step at 900-950 ℃ for 6 hours to obtain a brick f; the brick f is a finished product;
the invention has large forming pressure, is beneficial to improving the compressive strength, and the compressive strength reaches 35.1 MPa.
Example 4: the stone powder brick making process comprises the following steps:
step one, a screening process:
screening stone powder generated by preparing the sandstone aggregate by a dry method by using a screen with a screen hole of 0.75mm, and removing large particles to obtain a raw material a;
step two, batching process:
adding water into the raw material a obtained in the step one, and uniformly stirring to obtain a raw material b with the water content of 15% by mass;
step three, a staling process:
ageing the raw material b obtained in the step two for 24 hours to obtain a raw material c;
step four, a forming procedure:
molding the raw material c obtained in the step three under the pressure of 30MPa to obtain a blank body d;
step five, a drying procedure:
drying the blank d obtained in the step four for 5 hours at the temperature of 250-300 ℃ to obtain a green brick e;
step six, a firing process:
firing the green brick e obtained in the fifth step for 5 hours at the temperature of 950-1000 ℃ to obtain a brick f; the brick f is a finished product;
the invention has large forming pressure, is beneficial to improving the compressive strength, and the compressive strength reaches 36.6 MPa.
Example 5: the stone powder brick making process comprises the following steps:
step one, a screening process:
screening stone powder generated by preparing the sandstone aggregate by the dry method by using a sieve with a sieve hole of 1mm, and removing large particles to obtain a raw material a;
step two, batching process:
adding water into the raw material a obtained in the step one, and uniformly stirring to obtain a raw material b with the water content of 9% by mass;
step three, a staling process:
ageing the raw material b obtained in the step two for 36 hours to obtain a raw material c;
step four, a forming procedure:
molding the raw material c obtained in the step three under the pressure of 35MPa to obtain a blank body d;
step five, a drying procedure:
drying the blank d obtained in the fourth step for 6 hours at the temperature of 250-300 ℃ to obtain a green brick e;
step six, a firing process:
firing the green brick e obtained in the fifth step for 4.5 hours at the temperature of 960-1020 ℃ to obtain a brick f; the brick f is a finished product;
the invention has large forming pressure, is beneficial to improving the compressive strength, and the compressive strength reaches 37.8 MPa.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (7)
1. A stone powder brick making process is characterized in that: the process comprises the following steps:
step one, a screening process:
sieving the stone powder to remove large particles to obtain a raw material a;
step two, batching process:
adding water into the raw material a obtained in the step one, and uniformly stirring to obtain a raw material b;
step three, a staling process:
ageing the raw material b obtained in the step two to obtain a raw material c;
step four, a forming procedure:
forming the raw material c obtained in the step three to obtain a blank body d;
step five, a drying procedure:
drying the blank d obtained in the step four to obtain a green brick e;
step six, a firing process:
firing the green brick e obtained in the fifth step to obtain a brick f; and the brick f is a finished product.
2. The stone powder brick making process according to claim 1, which is characterized in that: step one, the stone powder is produced by dry preparation of sandstone aggregate; the diameter of the sieve pores used for sieving is 0.3-1 mm.
3. The stone powder brick making process according to claim 1, which is characterized in that: and in the second step, the mass percent of water in the raw material b is 7-15%.
4. The stone powder brick making process according to claim 1, which is characterized in that: and step three, the time of the ageing treatment is 5-48 hours.
5. The stone powder brick making process according to claim 1, which is characterized in that: and fourthly, the forming pressure is not less than 20 MPa.
6. The stone powder brick making process according to claim 1, which is characterized in that: and fifthly, in the drying procedure, the drying temperature is not less than 100 ℃, and the drying time is 2-6 hours.
7. The stone powder brick making process according to claim 1, wherein in the sixth step, the firing temperature in the firing procedure is 850-1100 ℃, and the firing time is 4.5-15 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010361799.2A CN111592338A (en) | 2020-04-30 | 2020-04-30 | Stone powder brick making process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010361799.2A CN111592338A (en) | 2020-04-30 | 2020-04-30 | Stone powder brick making process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111592338A true CN111592338A (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010361799.2A Pending CN111592338A (en) | 2020-04-30 | 2020-04-30 | Stone powder brick making process |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101077829A (en) * | 2006-05-25 | 2007-11-28 | 陈龙山 | Lightweight wall brick and preparation method thereof |
| CN101786288A (en) * | 2010-02-09 | 2010-07-28 | 武汉理工大学 | Method for preparing split bricks by utilizing tailings of high phosphorus hematite |
| CN103833321A (en) * | 2014-02-28 | 2014-06-04 | 湖北工业大学 | Method for preparing shale brick by utilizing clay sand wet reclaimed sludge used for casting |
| CN106365603A (en) * | 2015-07-23 | 2017-02-01 | 中国科学院过程工程研究所 | Fly ash-based porcelain brick preparation method |
| WO2019119825A1 (en) * | 2017-12-22 | 2019-06-27 | 广东科达洁能股份有限公司 | Sintered water-permeable brick produced using crushed aggregate and preparation method therefor |
| CN110204284A (en) * | 2019-06-26 | 2019-09-06 | 华新新型建筑材料有限公司 | Aggregate waste residue brickmaking technology |
-
2020
- 2020-04-30 CN CN202010361799.2A patent/CN111592338A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101077829A (en) * | 2006-05-25 | 2007-11-28 | 陈龙山 | Lightweight wall brick and preparation method thereof |
| CN101786288A (en) * | 2010-02-09 | 2010-07-28 | 武汉理工大学 | Method for preparing split bricks by utilizing tailings of high phosphorus hematite |
| CN103833321A (en) * | 2014-02-28 | 2014-06-04 | 湖北工业大学 | Method for preparing shale brick by utilizing clay sand wet reclaimed sludge used for casting |
| CN106365603A (en) * | 2015-07-23 | 2017-02-01 | 中国科学院过程工程研究所 | Fly ash-based porcelain brick preparation method |
| WO2019119825A1 (en) * | 2017-12-22 | 2019-06-27 | 广东科达洁能股份有限公司 | Sintered water-permeable brick produced using crushed aggregate and preparation method therefor |
| CN110204284A (en) * | 2019-06-26 | 2019-09-06 | 华新新型建筑材料有限公司 | Aggregate waste residue brickmaking technology |
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| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20200828 |