CN107573028B - Method for preparing acid-resistant brick from waste powder tailings of building and daily-use porcelain - Google Patents
Method for preparing acid-resistant brick from waste powder tailings of building and daily-use porcelain Download PDFInfo
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- 239000000843 powder Substances 0.000 title claims abstract description 88
- 239000002699 waste material Substances 0.000 title claims abstract description 65
- 239000011473 acid brick Substances 0.000 title claims abstract description 22
- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000011449 brick Substances 0.000 claims abstract description 27
- 239000000203 mixture Substances 0.000 claims abstract description 25
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 21
- 238000000498 ball milling Methods 0.000 claims abstract description 20
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 239000004576 sand Substances 0.000 claims abstract description 10
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 239000011777 magnesium Substances 0.000 claims abstract description 9
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 9
- 238000007873 sieving Methods 0.000 claims abstract description 9
- 239000010453 quartz Substances 0.000 claims abstract description 8
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 7
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 7
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052681 coesite Inorganic materials 0.000 claims description 13
- 229910052906 cristobalite Inorganic materials 0.000 claims description 13
- 229910052682 stishovite Inorganic materials 0.000 claims description 13
- 229910052905 tridymite Inorganic materials 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000000395 magnesium oxide Substances 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 229910000366 copper(II) sulfate Inorganic materials 0.000 claims description 4
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000002253 acid Substances 0.000 description 7
- 239000002994 raw material Substances 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
- KYARBIJYVGJZLB-UHFFFAOYSA-N 7-amino-4-hydroxy-2-naphthalenesulfonic acid Chemical compound OC1=CC(S(O)(=O)=O)=CC2=CC(N)=CC=C21 KYARBIJYVGJZLB-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000001309 chloro group Chemical class Cl* 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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
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- Compositions Of Oxide Ceramics (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a method for preparing acid-proof bricks by using waste powder and tail powder of building and daily-use porcelain, which comprises the following steps of mixing and ball-milling collected building and daily-use porcelain waste materials to prepare waste powder for component detection, wherein the waste powder is divided into the following components according to the content of silicon dioxide: the invention relates to a method for producing acid-resistant bricks, which comprises the steps of mixing 5-15 parts of Guangdong mud, 10-15 parts of quartz powder, 5-15 parts of semimountain mud, 10-15 parts of Yichun kaolin, 10-15 parts of Jiepai mud, 5-10 parts of Chenzhou mud, 5-15 parts of low-temperature sand, 5-15 parts of Daling greenstone and 2-5 parts of magnesium mud in a ball milling manner, and sieving the mixture through a sieve of 150 meshes and 200 meshes.
Description
Technical Field
The invention relates to a preparation method of industrial acid-resistant bricks, in particular to a method for preparing acid-resistant bricks by using waste porcelain.
Background
The acid-resistant brick is made up by using quartz, feldspar and clay as main raw materials and adopting high-temp. firing process in kiln, and its main components are silicon dioxide and aluminium trioxide, and it possesses the characteristics of pressure-resistant, corrosion-resistant, easy to clean, high acid-resistant, low water absorption, not easy to oxidize at normal temp. and not easy to be polluted by medium. Besides hydrofluoric acid and hot phosphoric acid, it has excellent anticorrosion effect on acids such as warm chlorine salt water, hydrochloric acid, sulfuric acid and nitric acid, and alkalis of any concentration at normal temperature. And can exert the corrosion resistance in working places such as underground sewage channels, open ground and the like. With the increase of the application range of the acid-resistant bricks and the increase of raw materials, labor hour, transportation and other cost, small-scale production enterprises are difficult to maintain normal operation, large and medium-sized production enterprises also face great challenges, and if the management intensity of the enterprises is not increased, on the premise of ensuring the quality, the enterprises do not try to innovate to reduce the material cost, even the large and medium-sized production enterprises also face economic crisis, so that the production enterprises are in trouble, and even the enterprises break down the production.
Disclosure of Invention
Aiming at the problems of acid-proof brick production enterprises in the prior art, the invention provides the method for preparing the acid-proof brick by using the waste powder and the tail powder of the building and daily porcelain with low price, which can ensure the quality of the acid-proof brick and reduce the production cost of the acid-proof brick.
A lot of defective products and waste powder are generated in the production process of the existing architectural ceramics and daily-use ceramics, and are poured outwards as garbage for a long time, so that the environment is seriously influenced. Some enterprises also use sand making or select a small part for recycling, and a large amount of waste materials and most of processing tailings are only treated as waste materials. The invention utilizes a lot of defective products, waste powder and tail powder generated in the production process of building ceramics and daily-use ceramics, and improves the manufacturing method by a lot of tests and assays and by adjusting the process formula, thereby producing the method which not only meets the use technical standard of the acid-resistant ceramic tile, but also can greatly reduce the cost of raw materials.
The invention relates to a method for preparing acid-proof bricks by using waste powder tailings of construction and daily-use porcelain, which comprises the following steps:
a. firstly crushing and ball-milling the collected building and household porcelain waste to obtain powder particles, mixing and ball-milling the powder particles and the ceramic polishing waste residue tail powder in turn according to a quantitative batch, sieving the mixture by a sieve of 150 plus 200 meshes to obtain waste powder, storing the waste powder in batches, carrying out component detection in batches,
b. according to component detection, the waste powder is divided into the following components according to the content of silicon dioxide: first grade waste powder, SiO2More than or equal to 60 percent; second grade waste powder, SiO245-60% (including 45%); tertiary waste powder, SiO230-45% (including 30%);
c. ball-milling 5-15 parts of Guangdong mud, 10-15 parts of quartz powder, 5-15 parts of semimountain mud, 10-15 parts of Yichun kaolin, 10-15 parts of Jiepai mud, 5-10 parts of Chenzhou mud, 5-15 parts of low-temperature sand, 5-15 parts of Daling greenstone and 2-5 parts of magnesium mud, mixing, sieving with a 150-mesh and 200-mesh sieve to prepare a mixture,
d. mixing 50-60wt% of first-grade waste powder and 40-50wt% of mixture; or 40-50wt% of the second-level waste powder and 50-60wt% of the mixture, or 35-40wt% of the third-level waste powder and 60-70wt% of the mixture, adding a proper amount of water and an inorganic adhesive accounting for 3-8% of the weight of the mixture respectively, ball-milling and mixing to prepare wet semi-viscous powder,
e. iron-removing and spraying the powder, then aging the powder for more than 24 hours,
f. pressing the aged powder into green bricks by using a brick press, drying the green bricks in a drying furnace at the temperature of 150 ℃ and 200 ℃ for 4-5 hours,
g. and (3) putting the dried green brick into a burning forming furnace, preserving the heat for 4-6 hours at the temperature of 1400 ℃ and 1550 ℃, and cooling along with the furnace to obtain the acid-resistant brick.
The method comprises the steps of e to g, properly adjusting the method, preparing pug by pugging and ageing powder, extruding and molding the pug by an extruder, drying and firing at high temperature to prepare the acid-resistant porcelain plate.
The semimountain mud is produced in southern pit Zhenchangfeng (semimountain waist) in Pingxi province, Pingxiang city, and is mainly characterized in that: good viscosity and small shrinkage.
The Dongxiang mud is produced in Dongxiang (Wangxiangxiang) of carignane city in Hunan province and is mainly characterized in that: the plasticity is good.
The Yichun kaolin is produced in the high-yield cities of Jiangxi province and is mainly characterized in that: the plasticity is good.
The boundary sludge is produced in Hunan Hengyang and Jiepai Zhengguo mine, and is mainly characterized in that: good forming performance, strong high-temperature support and function as a framework.
Chenzhou mud, produced in Chenzhou city, Hunan province, has the main characteristics: high Al content, high viscosity and high formability.
The low-temperature sand is produced in Henan City of Hunan province and is mainly characterized in that: the firing temperature of the product is reduced.
The green bluestone is produced in the green of Changfeng village in Pingxiang city, and is mainly characterized in that: after molding, the drying and draining properties are good, and the firing temperature is low.
The magnesium mud (magnesium clay) is produced from Luo Jia bent magnesium soil ore in Yichun city in Jiangxi province. Mainly contains 25.76wt% of magnesium oxide, 62wt% of silicon dioxide, 0.61wt% of calcium oxide, 0.64wt% of iron and 2.31wt% of aluminum.
The Guangdong mud is produced in the Boluo county of Guangdong province and is mainly characterized in that: the adhesive has good viscosity and strong insulativity, and is mainly used for brick making, clay carving and the like.
The inorganic adhesive is water glass, ZS-1071 high-temperature resistant adhesive, silicic acid glue, or the like.
The acid-resistant brick of the invention has the following main technical indexes (national standard):
water absorption rate I grade: less than or equal to 0.5 percent, grade II: not more than 2 percent, not more than 4 percent of grade III, the bending strength I grade is not less than 40 MPa, the bending strength II grade is not less than 30 MPa, the bending strength III grade is not less than 20MPa, and the following I-III grades are: the acid resistance is more than or equal to 99.8 percent, the volume density is 2.2-2.4g/cm3, the compressive strength is more than or equal to 120MPa, and the thermal stability is as follows: the cracking and peeling phenomena are avoided at least once at 130-20 ℃.
The main chemical components (%) of the acid-resistant brick are as follows:
SiO260-70， MgO 0.1-0.8，Al2O320-30，Na2O 0.5-3，FeO 0.5-3， K2o0.5-2 and CaO0.3-1. Wherein, the I stage: SiO 22(65-70%), stage II: SiO 22(60-65%), grade III: SiO 22（50-60%）。
The grade III acid-resistant brick is a qualified product, the grade II acid-resistant brick is a high-quality product, and the grade I acid-resistant brick is a super high-quality product.
The invention aims to better utilize building and household porcelain waste materials, and the waste powder is prepared by crushing, ball-milling into powder particles and mixing and ball-milling waste residue and tail powder in turn according to quantitative batches, so that the waste materials are fully utilized, the cost of raw materials is reduced, and the use technical requirement of acid-resistant bricks can be met.
The invention uses the waste powder processed by the waste material to replace part (30-70%) of the quartz powder raw material to prepare the acid-resistant brick, because the cost of the waste powder processed by the waste material is only 10-20% (150 meshes) of the cost of the quartz powder in the market, on the premise of ensuring that the use technical requirement of the acid-resistant brick is not lower than III grade, the cost of the raw material is reduced by more than 30-50%, and meanwhile, the building and daily porcelain waste materials are fully utilized, thereby being beneficial to environmental protection and saving mineral resources.
Detailed Description
Example 1, the method for preparing the acid-proof brick by using the waste powder of the construction and daily-use porcelain comprises the following steps:
a. firstly crushing and ball-milling the collected building and household porcelain waste to obtain powder particles, mixing and ball-milling the powder particles and the ceramic polishing waste residue tail powder in turn according to a quantitative batch, sieving the mixture by a sieve of 150 plus 200 meshes to obtain waste powder, storing the waste powder in batches, carrying out component detection in batches,
b. according to component detection, the waste powder is divided into the following components according to the content of silicon dioxide: first grade waste powder, SiO2More than or equal to 60 percent; second grade waste powder, SiO245-60% (including 45%); tertiary waste powder, SiO230-45% (including 30%);
c. ball-milling 10 parts of Guangdong mud, 13 parts of quartz powder, 10 parts of half-mountain mud, 12 parts of Yichun kaolin, 13 parts of Jipai mud, 7 parts of Chenzhou mud, 10 parts of low-temperature sand, 10 parts of Daling bluestone and 3 parts of magnesium mud in a weight ratio, mixing, sieving with a 150-sand 200-mesh sieve to prepare a mixture,
d. mixing 45wt% of secondary waste powder, 55wt% of mixture, a proper amount of water (water which can be twisted into a flocculent shape by being held by hands) and ZS-1071 high-temperature resistant adhesive accounting for 5wt% of the mixture by ball milling to prepare wet semi-viscous powder,
e. iron-removing and spraying the powder, then aging the powder for more than 24 hours,
f. pressing the aged powder into green bricks by using a brick press, drying the green bricks in a drying furnace at the temperature of 150 ℃ and 200 ℃ for 4-5 hours,
g. and (3) putting the dried green brick into a burning forming furnace, preserving the heat for 4-6 hours at the temperature of 1400 ℃ and 1550 ℃, and cooling along with the furnace to obtain the acid-resistant brick.
The acid-proof brick prepared in example 1 was tested for properties and components, and the results were as follows:
water absorption rate II: 1.82%, bending strength class II: 28.11MPa, acid resistance 99.9%, bulk density 2.29g/cm3, compressive strength: 126MPa, thermal stability: the cracking and peeling phenomena are avoided at 130-20 ℃ for one time.
Example 1 acid-resistant brick main chemical composition (%):
SiO267.6，Al2O323.5，MgO 0.65，Na2O 1.3，FeO 2.1， K2o1.1, CaO 2.3 and the balance of impurities.
Example 2, the method for preparing the acid-proof brick by using the waste powder of the construction and daily-use porcelain comprises the following steps:
a. firstly crushing and ball-milling the collected building and household porcelain waste to obtain powder particles, mixing and ball-milling the powder particles and the ceramic polishing waste residue tail powder in turn according to a quantitative batch, sieving the mixture by a sieve of 150 plus 200 meshes to obtain waste powder, storing the waste powder in batches, carrying out component detection in batches,
b. according to component detection, the waste powder is divided into the following components according to the content of silicon dioxide: first grade waste powder, SiO2More than or equal to 60 percent; second grade waste powder, SiO245-60% (including 45%); tertiary waste powder, SiO230-45% (including 30%);
c. ball-milling 7 parts of Guangdong mud, 15 parts of quartz powder, 6 parts of semimountain mud, 10 parts of Yichun kaolin, 11 parts of Jipai mud, 9 parts of Chenzhou mud, 6 parts of low-temperature sand, 6 parts of green bluestone and 5 parts of magnesium mud in a weight ratio, mixing, sieving with a 150-sand 200-mesh sieve to prepare a mixture,
d. mixing the third-class waste powder 40wt% with the mixture 60wt%, adding appropriate amount of water (water when the mixture is twisted into flocculent shape by hand) and silicic acid glue 7 wt% of the mixture, ball milling to obtain wet semi-viscous powder,
e. iron-removing and spraying the powder, then aging the powder for more than 24 hours,
f. pressing the aged powder into green bricks by using a brick press, drying the green bricks in a drying furnace at the temperature of 150 ℃ and 200 ℃ for 4-5 hours,
g. and (3) putting the dried green brick into a burning forming furnace, preserving the heat for 4-6 hours at the temperature of 1400 ℃ and 1550 ℃, and cooling along with the furnace to obtain the acid-resistant brick.
The acid-proof brick prepared in example 2 is tested for performance and components, and the results are as follows:
water absorption III level: 2.18%, flexural strength grade III: 28.6MPa, acid resistance 99.9%, bulk density 2.29g/cm3, compressive strength: 126MPa, thermal stability: the cracking and peeling phenomena are avoided at 130-20 ℃ for one time.
Example 2 acid-resistant brick main chemical composition (%):
SiO262.6，Al2O327.5，MgO 1.85，Na2O 1.6，FeO 2.3， K2o1.7, CaO 2.1 and the balance of impurities.
Claims (1)
1. The method for preparing the acid-resistant brick by using the waste powder tailings of the building and daily-use porcelain is characterized by comprising the following steps of: the steps are as follows:
a. firstly crushing and ball-milling the collected building and household porcelain waste to obtain powder particles, mixing and ball-milling the powder particles and the ceramic polishing waste residue tail powder in turn according to a quantitative batch, sieving the mixture by a sieve of 150 plus 200 meshes to obtain waste powder, storing the waste powder in batches, carrying out component detection in batches,
b. according to component detection, waste powder is divided into the following components according to the content of silicon dioxide: first grade waste powder, SiO2More than or equal to 60 percent; secondary waste powder, SiO 45% or less2Less than 60 percent; three-stage waste powder, SiO 30% or less2＜45%；
c. Ball-milling 5-15 parts of Guangdong mud, 10-15 parts of quartz powder, 5-15 parts of Seshan mud, 10-15 parts of Yichun kaolin, 10-15 parts of Jipai mud, 5-10 parts of Chenzhou mud, 5-15 parts of low-temperature sand, 5-15 parts of Daling greenstone and 2-5 parts of magnesium mud in a weight ratio, and sieving the mixture with a 150-plus-200-mesh sieve to prepare a mixture, wherein the Guangdong mud is produced in the Prolo county of Guangdong province; the half-mountain mud is produced in southern pits of Pingxi Pingxiang city of Jiangxi province and Changfeng; the Yichun kaolin is produced in Fengyu cities in Jiangxi province; the boundary mud is produced in Hunan Hengyang boundary Zhengguo mine; chenzhou mud, produced in Chenzhou city, Hunan province; the low-temperature sand is produced in Henan City of Hunan province; green bluestone, the green of the Pingxiang city, Changfeng village and great ridge; the magnesium mud is produced from Rojia bent magnesia in Yichun city in Jiangxi province and mainly contains 25.76wt% of magnesium oxide, 62wt% of silicon dioxide, 0.61wt% of calcium oxide, 0.64wt% of iron and 2.31wt% of aluminum;
d. respectively adding a proper amount of water and an inorganic adhesive which accounts for 3-8% of the weight of the mixture into 50-60wt% of the first-stage waste powder and 40-50wt% of the mixture or 40-50wt% of the second-stage waste powder and 50-60wt% of the mixture or 35-40wt% of the third-stage waste powder and 60-70wt% of the mixture, ball-milling and mixing to prepare wet semi-viscous powder,
e. iron-removing and spraying the powder, then aging the powder for more than 24 hours,
f. pressing the aged powder into green bricks by using a brick press, drying the green bricks in a drying furnace at the temperature of 150 ℃ and 200 ℃ for 4-5 hours,
g. and (3) putting the dried green brick into a burning forming furnace, preserving the heat for 4-6 hours at the temperature of 1400 ℃ and 1550 ℃, and cooling along with the furnace to obtain the acid-resistant brick.
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| SU1079637A1 (en) * | 1983-01-12 | 1984-03-15 | Комплексный Научно-Исследовательский Институт Строительных Материалов "Грузниистром" | Ceramic composition for making tiles |
| IT1243828B (en) * | 1990-10-11 | 1994-06-28 | Consiglio Nazionale Ricerche | PROCESS FOR THE REMOVAL OF IRON FROM CONCENTRATES OF CAOLINE, QUARTZ AND OTHER MATERIALS OF INDUSTRIAL INTEREST. |
| CN101555129A (en) * | 2009-05-12 | 2009-10-14 | 潮州市联源陶瓷制作有限公司 | Household strengthen porcelain containing bone substances and production technology thereof |
| CN101786868B (en) * | 2010-01-20 | 2012-01-04 | 湖南科技大学 | Preparation method of burn-free acid resistant ceramics |
| CN103922698B (en) * | 2014-02-27 | 2015-07-15 | 东莞市屹城环境技术有限公司 | Ceramsite prepared by using smelting wastes, and preparation method thereof |
| CN106518099A (en) * | 2016-10-10 | 2017-03-22 | 马鞍山豹龙新型建材有限公司 | Acid/alkali-corrosion-resistant refractory brick and preparation method thereof |
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