CN101274839A - Light acid-proof brick and preparation thereof - Google Patents
Light acid-proof brick and preparation thereof Download PDFInfo
- Publication number
- CN101274839A CN101274839A CNA2007100138897A CN200710013889A CN101274839A CN 101274839 A CN101274839 A CN 101274839A CN A2007100138897 A CNA2007100138897 A CN A2007100138897A CN 200710013889 A CN200710013889 A CN 200710013889A CN 101274839 A CN101274839 A CN 101274839A
- Authority
- CN
- China
- Prior art keywords
- light weight
- percent
- acid resistant
- granularity
- diatomite
- 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.)
- Pending
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Classifications
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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 relates to a light weight acid resistant brick which is characterized in that: the components of the light weight acid resistant brick comprise by weight percentage 35 to 45 percent of diatomite, 30 to 40 percent of pottery clay aggregate and 25 to 30 percent of pulverized fuel ash. The granularity of the diatomite is 120 to 150 meshes, the granularity of the pottery clay aggregate is 8 to 10 meshes and the pulverized fuel ash is screened by a 12-mesh sieve. The preparation method of the light weight acid resistant brick is characterized in that the raw materials are smashed, screened and added with water to make pug which is then milled, molded, dried (under temperature of 60 to 100 DEG C) and burned under temperature of 1100 plus or minus 10 DEG C to obtain finished products. The light weight acid resistant brick of the invention has reasonable and uniform proportioning, strictly controlled burning temperature and beautiful color of the finished products, light weight (the bulk density is 0.8 to 1.0 g/m <3>) and good heat insulating property (the heat conductivity coefficient is 0.3 to 0.4 W/m question mark k), the cost of which is lowered by 30 percent, compared with the prior art.
Description
Technical field
The present invention relates to a kind of light acid-proof brick and preparation method thereof.
Background technology
Light acid-proof brick is mainly used in insulation positions such as the furnace roof, coke bin of chimney, flue lining and the coking plant of power plant.Present employed light acid-proof brick is mainly made by materials such as potter's clay, coal ash, flint claies, and volume density is generally at 1.6～1.8g/cm
3, weight is big, and heat-insulating property is relatively poor.
Summary of the invention
Technical problem to be solved by this invention provides that a kind of volume density is little, good heat insulating, light acid-proof brick that cost is low and preparation method thereof.
Light acid-proof brick of the present invention is characterized in that according to the weight percentage meter, its raw material consists of:
Diatomite 35～45%, potter's clay aggregate 30～40% and flyash 25～30%.
Described diatomaceous granularity is 120～150 orders, and the granularity of potter's clay aggregate (potter's clay after the burning) is 8～10 orders, and flyash is by 12 mesh sieves.
The method for preparing light acid-proof brick of the present invention be described raw material through pulverize, screening adds water and makes pug, mixes then, moulding, drying (generally under 60～100 ℃), under 1100 ± 10 ℃, burn till.Amount of water is generally 7～7.5% of raw material gross weight.
The present invention adds the light-duty diatomite that expands in a subtle way in batching, solved the problem of raw material difficulty, adopts to do on technology and mixes wet mixing, uses the pressing machine moulding, and strict simultaneously control firing temperature has been simplified production technique, has made things convenient for production.Batching is evenly reasonable, strict control firing temperature, and the products appearance color that obtains is good-looking, in light weight, good heat insulating, and cost reduces about 30% than prior art.Main physical and chemical index is:
Volume density: 0.8～1.0g/cm
3
Cold crushing strength: 30～38MPa
Acid fastness %:＞98
Thermal conductivity W/m.k:0.3～0.4
Embodiment
Below in conjunction with the embodiment explanation, but be not limited to present embodiment.
Embodiment 1:
Raw material weight percentage ratio proportioning: diatomite 40%, potter's clay aggregate 30%, flyash 30%.
Raw material pulverizing, screening, diatomite granularity are 120 orders, and the potter's clay aggregate size is 10 orders, flyash is all by 12 mesh sieves, and raw material mixes the back and adds 7% the water that accounts for its gross weight and make pug, according to the known technology mode mix, moulding, 60～100 ℃ dry down, burns till under 1100 ℃.
The physical and chemical index that records product is:
Volume density: 0.9g/cm
3
Cold crushing strength: 37MPa
Acid fastness %:98.5
Thermal conductivity W/m.k:0.35
Dioxide-containing silica 68.2%
Aluminium sesquioxide 23%
Ferric oxide 7%.
Embodiment 2:
Raw material weight percentage ratio proportioning: diatomite 35%, potter's clay aggregate 37%, flyash 28%.
Raw material pulverizing, screening, diatomite granularity are 150 orders, and the potter's clay aggregate size is 8 orders, flyash is all by 12 mesh sieves, and raw material mixes the back and adds 7.5% the water that accounts for its gross weight and make pug, according to the known technology mode mix, moulding, 60～100 ℃ dry down, burns till under 1100 ℃.
The physical and chemical index that records product is:
Volume density: 0.8g/cm
3
Cold crushing strength: 35MPa
Acid fastness %:98.5
Thermal conductivity W/m.k:0.35
Embodiment 3:
Raw material weight percentage ratio proportioning: diatomite 45%, potter's clay aggregate 30%, flyash 25%.
Raw material pulverizing, screening, diatomite granularity are 150 orders, and the potter's clay aggregate size is 8 orders, flyash is all by 12 mesh sieves, and raw material mixes the back and adds 7% the water that accounts for its gross weight and make pug, according to the known technology mode mix, moulding, 60～100 ℃ dry down, burns till under 1110 ℃.
The physical and chemical index that records product is:
Volume density: 1.0g/cm
3
Cold crushing strength: 37MPa
Acid fastness %:98.5
Thermal conductivity W/m.k:0.4
Claims (4)
1. light acid-proof brick is characterized in that according to the weight percentage meter, its raw material consists of:
Diatomite 35～45%, potter's clay aggregate 30～40% and flyash 25～30%.
2. light acid-proof brick according to claim 1 is characterized in that described diatomaceous granularity is 120～150 orders, and the granularity of potter's clay aggregate is 8～10 orders, and flyash is by 12 mesh sieves.
3. method for preparing claim 1 or 2 described light acid-proof bricks, it is characterized in that described raw material through pulverize, screening adds water and makes pug, mixes then, moulding, drying, under 1100 ± 10 ℃, burn till.
4. preparation method according to claim 1 is characterized in that described amount of water is 7～7.5% of a raw material gross weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100138897A CN101274839A (en) | 2007-03-29 | 2007-03-29 | Light acid-proof brick and preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100138897A CN101274839A (en) | 2007-03-29 | 2007-03-29 | Light acid-proof brick and preparation thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101274839A true CN101274839A (en) | 2008-10-01 |
Family
ID=39994750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100138897A Pending CN101274839A (en) | 2007-03-29 | 2007-03-29 | Light acid-proof brick and preparation thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101274839A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086111A (en) * | 2010-11-23 | 2011-06-08 | 江苏瑞诚非金属材料有限公司 | Acid-resistant high-temperature-resistant high-pressure-resistant ceramic tile and preparation method thereof |
| CN103113087A (en) * | 2013-01-11 | 2013-05-22 | 杨登云 | Method for processing and manufacturing light brick by utilizing household garbage |
| CN107473705A (en) * | 2017-09-19 | 2017-12-15 | 常州朋悦纺织品有限公司 | A kind of vitrified tile and preparation method thereof |
| CN108975867A (en) * | 2018-08-10 | 2018-12-11 | 河南弘盛再生资源利用有限公司 | The formula and preparation method of diatomite composite material based on oil-containing waste diatomite |
-
2007
- 2007-03-29 CN CNA2007100138897A patent/CN101274839A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086111A (en) * | 2010-11-23 | 2011-06-08 | 江苏瑞诚非金属材料有限公司 | Acid-resistant high-temperature-resistant high-pressure-resistant ceramic tile and preparation method thereof |
| CN102086111B (en) * | 2010-11-23 | 2012-07-04 | 江苏瑞诚非金属材料有限公司 | Acid-resistant high-temperature-resistant high-pressure-resistant ceramic tile and preparation method thereof |
| CN103113087A (en) * | 2013-01-11 | 2013-05-22 | 杨登云 | Method for processing and manufacturing light brick by utilizing household garbage |
| CN103113087B (en) * | 2013-01-11 | 2014-06-18 | 杨登云 | Method for processing and manufacturing light brick by utilizing household garbage |
| CN107473705A (en) * | 2017-09-19 | 2017-12-15 | 常州朋悦纺织品有限公司 | A kind of vitrified tile and preparation method thereof |
| CN107473705B (en) * | 2017-09-19 | 2020-09-11 | 肇庆市信和陶瓷有限公司 | Vitrified tile and preparation method thereof |
| CN108975867A (en) * | 2018-08-10 | 2018-12-11 | 河南弘盛再生资源利用有限公司 | The formula and preparation method of diatomite composite material based on oil-containing waste diatomite |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20081001 |