CN112341175A - Low-cost and environment-friendly through white brick and preparation method thereof - Google Patents
Low-cost and environment-friendly through white brick and preparation method thereof Download PDFInfo
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- 239000011449 brick Substances 0.000 title claims abstract description 117
- 238000002360 preparation method Methods 0.000 title description 15
- 238000010304 firing Methods 0.000 claims abstract description 78
- 239000002994 raw material Substances 0.000 claims abstract description 32
- 229910052903 pyrophyllite Inorganic materials 0.000 claims abstract description 31
- NWXHSRDXUJENGJ-UHFFFAOYSA-N calcium;magnesium;dioxido(oxo)silane Chemical compound [Mg+2].[Ca+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O NWXHSRDXUJENGJ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052637 diopside Inorganic materials 0.000 claims abstract description 17
- 239000010427 ball clay Substances 0.000 claims abstract description 14
- 239000010433 feldspar Substances 0.000 claims abstract description 10
- 230000003647 oxidation Effects 0.000 claims abstract description 10
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 48
- 239000000203 mixture Substances 0.000 claims description 38
- 238000005498 polishing Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 26
- 239000000440 bentonite Substances 0.000 claims description 25
- 229910000278 bentonite Inorganic materials 0.000 claims description 25
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 25
- 239000000454 talc Substances 0.000 claims description 25
- 229910052623 talc Inorganic materials 0.000 claims description 25
- 238000004321 preservation Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 20
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 18
- 238000000498 ball milling Methods 0.000 claims description 18
- 238000002791 soaking Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 12
- 239000005995 Aluminium silicate Substances 0.000 claims description 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 11
- 235000012211 aluminium silicate Nutrition 0.000 claims description 11
- 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 description 11
- 229940072033 potash Drugs 0.000 claims description 11
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 11
- 235000015320 potassium carbonate Nutrition 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 11
- 238000004806 packaging method and process Methods 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- 229910052593 corundum Inorganic materials 0.000 claims description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 9
- 238000007873 sieving Methods 0.000 claims description 9
- 238000005245 sintering Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 238000004018 waxing Methods 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 9
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 9
- 238000007654 immersion Methods 0.000 claims 1
- 230000003373 anti-fouling effect Effects 0.000 abstract description 24
- 239000011734 sodium Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- ZFXVRMSLJDYJCH-UHFFFAOYSA-N calcium magnesium Chemical compound [Mg].[Ca] ZFXVRMSLJDYJCH-UHFFFAOYSA-N 0.000 abstract description 8
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 abstract description 6
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000446 fuel Substances 0.000 abstract description 4
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract description 3
- 229910052708 sodium Inorganic materials 0.000 abstract description 3
- 239000007844 bleaching agent Substances 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 description 23
- 239000003638 chemical reducing agent Substances 0.000 description 14
- 230000007613 environmental effect Effects 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 12
- 239000000919 ceramic Substances 0.000 description 11
- 238000012360 testing method Methods 0.000 description 10
- 240000002853 Nelumbo nucifera Species 0.000 description 7
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 7
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 7
- 238000007688 edging Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- 229910052656 albite Inorganic materials 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000002087 whitening effect Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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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
- 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
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
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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
- 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
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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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
- 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
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
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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
- 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
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3232—Titanium oxides or titanates, e.g. rutile or anatase
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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
- 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
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
Abstract
The invention relates to a low-cost and environment-friendly through white brick, which takes pyrophyllite and diopside as main raw materials, and changes a potassium-sodium system into a calcium-magnesium system, so that the use amounts of high-cost ball clay and high-white potash-sodium feldspar are reduced, zirconium silicate whitening agents in the traditional formula are removed, the firing temperature is reduced, the whiteness of the produced product is over 53 ℃, the firing temperature can be reduced due to the melting assistance of the calcium-magnesium system, and the fuel cost is synchronously saved, thereby reducing the production cost; pyrophyllite and diopside are used as main raw materials, the problem that the firing range is narrowed can be solved at the moment, the temperature range of the former high-temperature zone is more than 3 ℃, the temperature range of the current high-temperature zone is within 3 ℃, the oxidation zone is elongated by optimizing the firing curve, gas is exhausted before the brick surface is leveled, pores do not exist on the brick surface of the finished brick obtained at the moment, the brick surface is not easy to store dirt, the antifouling effect of the brick surface of the finished brick is greatly improved, and the problem that the antifouling capacity of the calcium-magnesium through white brick is poor can be effectively solved.
Description
Technical Field
The invention relates to the technical field of building ceramics, in particular to a low-cost and environment-friendly through white brick and a preparation method thereof.
Background
The whole white brick is one of selling points of a plurality of ceramic manufacturers and is also a critical aspect of wide buyers. The formula of the body-through white brick blank excessively depends on chemical auxiliary materials zirconium silicate or a whitening agent to improve whiteness, the zirconium silicate is a key control raw and auxiliary material of the white brick, the blank cost is greatly increased, the environment is not protected, the radioactivity exceeds the standard easily when the addition amount exceeds 2%, and the traditional body-through white brick excessively depends on a potassium-sodium system to cool the blank, so that the blank cost and the fuel cost are both greatly increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a low-cost and environment-friendly through white brick with high whiteness, energy conservation, environmental protection, low production cost and good antifouling property and a preparation method thereof.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the low-cost and environment-friendly through white brick is prepared from the following raw materials in parts by weight: 33-37 parts of pyrophyllite, 8-12 parts of potash feldspar, 28-32 parts of diopside, 4-6 parts of talc, 4-6 parts of kaolin, 8-12 parts of ball clay and 4-6 parts of bentonite;
the soaking whiteness of the bentonite is more than 55 degrees.
Further, the low-cost and environment-friendly through white brick is prepared from the following raw materials in parts by weight: 35 parts of pyrophyllite, 10 parts of potash feldspar, 30 parts of diopside, 5 parts of talc, 5 parts of kaolin, 10 parts of ball clay and 5 parts of bentonite;
the soaking whiteness of the bentonite is more than 55 degrees.
Further, the low-cost and environment-friendly through white brickThe raw materials comprise the following chemical components in percentage by weight: SiO 22:65～68%、Al2O3:19～22%、Fe2O3:0.2～0.3%、TiO2:0.1～0.15%、CaO:5～7%、MgO:2～3%、K2O:1.5～2.5%、Na22-3% of O, loss on ignition: 5 to 7 percent.
Furthermore, the whiteness of the low-cost and environment-friendly through white brick is over 53 degrees.
Furthermore, the soaking whiteness of the bentonite is 56-58 degrees.
The invention also provides a preparation method of the through white brick with low cost and environmental protection, which comprises the following steps:
(1) weighing the raw materials for forming the low-cost and environment-friendly through white brick according to the proportion, adding water, ball-milling, and sieving with a 250-mesh sieve to obtain the mixture, wherein the rest is 0.5-0.8%;
(2) mixing slurry, color matching and spraying powder to prepare a mixture;
(3) pressing and molding the mixture by using a secondary material distributor to obtain the blank body;
(4) feeding the green body into a firing process, adjusting a firing curve, lengthening an oxidation zone, and exhausting gas before the brick surface is leveled to obtain a primary finished product;
(5) and polishing and grading the primary finished product to obtain the low-cost and environment-friendly through white brick.
Further, the water content of the mixture in the step (2) is 6.5-7.2%.
Further, in the step (3), the mixture is pressed and formed by a secondary material distributor, and the green body is obtained; the secondary material distributor has the following technological parameters: the pressure is 3000KN, the speed is 6 times/min, and the thickness is 12.2-12.8 mm.
Further, the firing area of the firing process in the step (4) comprises a preheating area and a firing area, wherein the preheating area comprises 8 areas, the temperature range of the preheating area is 322-914 ℃, the firing area comprises 42 areas, the surface temperature range of the firing area is 881-1227 ℃, and the bottom temperature range of the firing area is 959-1253 ℃; wherein, the 24 th area to the 36 th area of the sintering area are heat preservation areas, the heat preservation areas are 13 areas in total, the surface temperature of the heat preservation areas is 1227 ℃, and the bottom temperature is 1253 ℃.
Further, in the step (5), rough polishing, middle polishing, fine polishing, edge polishing, waxing, grading, packaging and warehousing are carried out.
The invention relates to a low-cost and environment-friendly through white brick, which takes pyrophyllite and diopside as main raw materials, changes potassium-sodium series into calcium-magnesium series, reduces the using amount of high-cost ball clay and high-white potash-sodium feldspar, removes zirconium silicate whitening agents in the traditional formula, reduces the firing temperature, ensures that the whiteness of the produced product is over 53 ℃, reduces the firing temperature due to the melting assistance of the calcium-magnesium series, synchronously saves the fuel cost, reduces the production cost, saves at least 100 yuan/ton of the cost compared with a blank with the same whiteness, is green and environment-friendly, and has higher application value. The general polished white brick produced in the traditional thinking has the main structure of a potassium-sodium system, and pores in the firing process cannot be controlled because the content of calcium and magnesium is too high, so that the antifouling effect of the finished brick is not over-critical; the invention relates to a low-cost and environment-friendly through body white brick and a preparation method thereof, which break through the traditional thinking, pyrophyllite and diopside are taken as main raw materials, the problem that the sintering range is narrowed at the moment can be solved, the temperature range of the former high-temperature region is more than 3 ℃, and the temperature range of the current high-temperature region is within 3 ℃.
Detailed Description
The following examples may help one skilled in the art to more fully understand the present invention, but are not intended to limit the invention in any way.
The soaking whiteness of the bentonite in the invention is as follows: and (3) soaking the cake to be measured for whiteness in clean clear water for 10-20s, and taking out the cake to be wiped clean to measure the whiteness data value, namely the whiteness of soaking.
The green body of the invention can be prepared from known ceramic raw materials by a conventional method, such as sequentially carrying out blank ball milling, powder spraying granulation, green body drying to obtain a dried blank, then firing, polishing, grading and packaging.
The invention can be ball milled by using ingredients in a traditional mode, a 40T ball mill is used, the fineness of raw materials before entering balls is controlled below 8mm, the ball milling fineness is controlled to be 0.5-0.8% of the sieved materials passing through 250 meshes, the water content is controlled to be 35-38%, the specific gravity is controlled to be 1.68-1.72 g/cm3, the flow rate is controlled to be 30-60 s, the materials are sieved for removing iron after being discharged, at least three screens are required to pass, and the mesh number of the screens is 80-120 meshes.
After the ball-milled slurry is obtained, the layout of other colors needs to be adjusted according to the requirements of products except for the white layout, if the yellow layout is needed, the required dry material amount of the slurry needs to be calculated according to a production scheduling plan, color paste is aligned in a paste pool, common pigments of the yellow layout are praseodymium yellow, orange yellow and orange red, the color is adjusted and then the slurry pool and a spray tower need to be cleaned before and after powder spraying, and the pollution of miscellaneous materials is prevented.
The invention needs to be formed by cloth at a press, and requires that the water content is controlled to be 6.8-7.5 percent and the screen residue below 100 meshes is less than or equal to 5 percent.
The invention is dried in the drying kiln after the press is formed, the moisture content before the pressing is fired in the kiln is required to be controlled below 0.5 percent, and the pressing plate can be polished, graded and packed after being taken out of the kiln and cooled.
The firing profile of the present invention is shown in table 1 below:
TABLE 1
Example 1 (example of 600X 600mm production)
The low-cost and environment-friendly through white brick is prepared from the following raw materials in parts by weight: 33 parts of pyrophyllite, 8 parts of potash feldspar, 28 parts of diopside, 4 parts of talc, 4 parts of kaolin, 8 parts of ball clay and 4 parts of bentonite; the soaking whiteness of the bentonite is 56 degrees;
the whole body white with low cost and environmental protectionThe brick comprises the following raw materials in percentage by weight: SiO 22:65～68%、Al2O3:19～22%、Fe2O3:0.2～0.3%、TiO2:0.1～0.15%、CaO:5～7%、MgO:2～3%、K2O:1.5～2.5%、Na22-3% of O, loss on ignition: 5 to 7 percent.
The invention also provides a preparation method of the through white brick with low cost and environmental protection, which comprises the following steps:
(1) weighing the raw materials for forming the low-cost and environment-friendly through white brick according to the proportion, adding water, ball-milling, and sieving with a 250-mesh sieve to obtain the mixture, wherein the rest is 0.5-0.8%;
(2) mixing slurry, color matching and spraying powder to prepare a mixture, wherein the water content of the mixture is 6.5-7.2%;
(3) pressing and molding the mixture by using a secondary material distributor to obtain the blank body; the secondary material distributor has the following technological parameters: pressure of 3000KN, speed of 6 times/min, thickness of 12.2 mm;
(4) feeding the green body into a firing process, adjusting a firing curve, lengthening an oxidation zone, and exhausting gas before the brick surface is leveled to obtain a primary finished product; the firing area of the firing procedure comprises a preheating area and a firing area, wherein the preheating area comprises 8 areas, the temperature range of the preheating area is 322-914 ℃, the firing area comprises 42 areas, the surface temperature range of the firing area is 881-1227 ℃, and the bottom temperature range of the firing area is 959-1253 ℃; wherein, the 24 th area to the 36 th area of the sintering area are heat preservation areas, the number of the heat preservation areas is 13, the surface temperature of the heat preservation areas is 1227 ℃, and the bottom temperature is 1253 ℃;
(5) and (3) roughly polishing, middle polishing, finely polishing, edging, waxing, grading, packaging and warehousing the primary finished product to obtain the low-cost and environment-friendly through white brick.
In the step (1) of the embodiment, a water reducing agent is also added during the water adding and ball milling, and the water reducing agent is a dispergator produced by lotus saint pottery limited company;
the pyrophyllite used in the embodiment is pyrophyllite with dry white of more than 80 degrees, which is produced by Anda ceramics materials Co., Ltd;
the origin of the talc used in this example is Haicheng Liaoning, the loss on ignition of the talc is about 5%, and the whiteness is 90-95 ℃;
the secondary cloth machine that this embodiment used is the secondary cloth press of saxometer, and the tonnage of secondary cloth machine is 3800 KN.
Example 2 (production of 600X 600mm products as an example)
The low-cost and environment-friendly through white brick is prepared from the following raw materials in parts by weight: 37 parts of pyrophyllite, 12 parts of potash feldspar, 32 parts of diopside, 6 parts of talc, 6 parts of kaolin, 12 parts of ball clay and 6 parts of bentonite; the soaking whiteness of the bentonite is 58 degrees;
the low-cost and environment-friendly through white brick comprises the following chemical components in percentage by weight: SiO 22:65～68%、Al2O3:19～22%、Fe2O3:0.2～0.3%、TiO2:0.1～0.15%、CaO:5～7%、MgO:2～3%、K2O:1.5～2.5%、Na22-3% of O, loss on ignition: 5 to 7 percent.
The invention also provides a preparation method of the through white brick with low cost and environmental protection, which comprises the following steps:
(1) weighing the raw materials for forming the low-cost and environment-friendly through white brick according to the proportion, adding water, ball-milling, and sieving with a 250-mesh sieve to obtain the mixture, wherein the rest is 0.5-0.8%;
(2) mixing slurry, color matching and spraying powder to prepare a mixture, wherein the water content of the mixture is 6.5-7.2%;
(3) pressing and molding the mixture by using a secondary material distributor to obtain the blank body; the secondary material distributor has the following technological parameters: the pressure is 3000KN, the speed is 6 times/min, and the thickness is 12.8 mm;
(4) feeding the green body into a firing process, adjusting a firing curve, lengthening an oxidation zone, and exhausting gas before the brick surface is leveled to obtain a primary finished product; the firing area of the firing procedure comprises a preheating area and a firing area, wherein the preheating area comprises 8 areas, the temperature range of the preheating area is 322-914 ℃, the firing area comprises 42 areas, the surface temperature range of the firing area is 881-1227 ℃, and the bottom temperature range of the firing area is 959-1253 ℃; wherein, the 24 th area to the 36 th area of the sintering area are heat preservation areas, the number of the heat preservation areas is 13, the surface temperature of the heat preservation areas is 1227 ℃, and the bottom temperature is 1253 ℃;
(5) and (3) roughly polishing, middle polishing, finely polishing, edging, waxing, grading, packaging and warehousing the primary finished product to obtain the low-cost and environment-friendly through white brick.
In the step (1) of the embodiment, a water reducing agent is also added during the water adding and ball milling, and the water reducing agent is a dispergator produced by lotus saint pottery limited company;
the pyrophyllite used in the embodiment is pyrophyllite with dry white of more than 80 degrees, which is produced by Anda ceramics materials Co., Ltd;
the origin of the talc used in this example is Haicheng Liaoning, the loss on ignition of the talc is about 5%, and the whiteness is 90-95 ℃;
the secondary cloth machine that this embodiment used is the secondary cloth press of saxometer, and the tonnage of secondary cloth machine is 3800 KN.
Example 3 (production of 600X 600mm products as an example)
The low-cost and environment-friendly through white brick is prepared from the following raw materials in parts by weight: 35 parts of pyrophyllite, 10 parts of potash feldspar, 30 parts of diopside, 5 parts of talc, 5 parts of kaolin, 10 parts of ball clay and 5 parts of bentonite; the soaking whiteness of the bentonite is 57 degrees;
the low-cost and environment-friendly through white brick comprises the following chemical components in percentage by weight: SiO 22:65～68%、Al2O3:19～22%、Fe2O3:0.2～0.3%、TiO2:0.1～0.15%、CaO:5～7%、MgO:2～3%、K2O:1.5～2.5%、Na22-3% of O, loss on ignition: 5 to 7 percent.
The invention also provides a preparation method of the through white brick with low cost and environmental protection, which comprises the following steps:
(1) weighing the raw materials for forming the low-cost and environment-friendly through white brick according to the proportion, adding water, ball-milling, and sieving with a 250-mesh sieve to obtain the mixture, wherein the rest is 0.5-0.8%;
(2) mixing slurry, color matching and spraying powder to prepare a mixture, wherein the water content of the mixture is 6.5-7.2%;
(3) pressing and molding the mixture by using a secondary material distributor to obtain the blank body; the secondary material distributor has the following technological parameters: pressure of 3000KN, speed of 6 times/min, thickness of 12.6 mm;
(4) feeding the green body into a firing process, adjusting a firing curve, lengthening an oxidation zone, and exhausting gas before the brick surface is leveled to obtain a primary finished product; the firing area of the firing procedure comprises a preheating area and a firing area, wherein the preheating area comprises 8 areas, the temperature range of the preheating area is 322-914 ℃, the firing area comprises 42 areas, the surface temperature range of the firing area is 881-1227 ℃, and the bottom temperature range of the firing area is 959-1253 ℃; wherein, the 24 th area to the 36 th area of the sintering area are heat preservation areas, the number of the heat preservation areas is 13, the surface temperature of the heat preservation areas is 1227 ℃, and the bottom temperature is 1253 ℃;
(5) and (3) roughly polishing, middle polishing, finely polishing, edging, waxing, grading, packaging and warehousing the primary finished product to obtain the low-cost and environment-friendly through white brick.
In the step (1) of the embodiment, a water reducing agent is also added during the water adding and ball milling, and the water reducing agent is a dispergator produced by lotus saint pottery limited company;
the pyrophyllite used in the embodiment is pyrophyllite with dry white of more than 80 degrees, which is produced by Anda ceramics materials Co., Ltd;
the origin of the talc used in this example is Haicheng Liaoning, the loss on ignition of the talc is about 5%, and the whiteness is 90-95 ℃;
the secondary cloth machine that this embodiment used is the secondary cloth press of saxometer, and the tonnage of secondary cloth machine is 3800 KN.
Example 4 (production of 600X 600mm products as an example)
The low-cost and environment-friendly through white brick is prepared from the following raw materials in parts by weight: 36 parts of pyrophyllite, 9 parts of potash albite, 29 parts of diopside, 5.5 parts of talc, 5 parts of kaolin, 11 parts of ball clay and 5.5 parts of bentonite; the soaking whiteness of the bentonite is 58 degrees;
the raw materials of the low-cost and environment-friendly through white brick are calculated by weight percentage,comprises the following chemical components: SiO 22:65～68%、Al2O3:19～22%、Fe2O3:0.2～0.3%、TiO2:0.1～0.15%、CaO:5～7%、MgO:2～3%、K2O:1.5～2.5%、Na22-3% of O, loss on ignition: 5 to 7 percent.
The invention also provides a preparation method of the through white brick with low cost and environmental protection, which comprises the following steps:
(1) weighing the raw materials for forming the low-cost and environment-friendly through white brick according to the proportion, adding water, ball-milling, and sieving with a 250-mesh sieve to obtain the mixture, wherein the rest is 0.5-0.8%;
(2) mixing slurry, color matching and spraying powder to prepare a mixture, wherein the water content of the mixture is 6.5-7.2%;
(3) pressing and molding the mixture by using a secondary material distributor to obtain the blank body; the secondary material distributor has the following technological parameters: the pressure is 3000KN, the speed is 6 times/min, and the thickness is 12.4 mm;
(4) feeding the green body into a firing process, adjusting a firing curve, lengthening an oxidation zone, and exhausting gas before the brick surface is leveled to obtain a primary finished product; the firing area of the firing procedure comprises a preheating area and a firing area, wherein the preheating area comprises 8 areas, the temperature range of the preheating area is 322-914 ℃, the firing area comprises 42 areas, the surface temperature range of the firing area is 881-1227 ℃, and the bottom temperature range of the firing area is 959-1253 ℃; wherein, the 24 th area to the 36 th area of the sintering area are heat preservation areas, the number of the heat preservation areas is 13, the surface temperature of the heat preservation areas is 1227 ℃, and the bottom temperature is 1253 ℃;
(5) and (3) roughly polishing, middle polishing, finely polishing, edging, waxing, grading, packaging and warehousing the primary finished product to obtain the low-cost and environment-friendly through white brick.
In the step (1) of the embodiment, a water reducing agent is also added during the water adding and ball milling, and the water reducing agent is a dispergator produced by lotus saint pottery limited company;
the pyrophyllite used in the embodiment is pyrophyllite with dry white of more than 80 degrees, which is produced by Anda ceramics materials Co., Ltd;
the origin of the talc used in this example is Haicheng Liaoning, the loss on ignition of the talc is about 5%, and the whiteness is 90-95 ℃;
the secondary cloth machine that this embodiment used is the secondary cloth press of saxometer, and the tonnage of secondary cloth machine is 3800 KN.
Comparative example 1
The low-cost and environment-friendly through white brick is prepared from the following raw materials in parts by weight: 36 parts of pyrophyllite, 9 parts of potash albite, 29 parts of diopside, 5.5 parts of talc, 5 parts of kaolin, 11 parts of ball clay and 5.5 parts of bentonite; the soaking whiteness of the bentonite is 58 degrees;
the low-cost and environment-friendly through white brick comprises the following chemical components in percentage by weight: SiO 22:65～68%、Al2O3:19～22%、Fe2O3:0.2～0.3%、TiO2:0.1～0.15%、CaO:5～7%、MgO:2～3%、K2O:1.5～2.5%、Na22-3% of O, loss on ignition: 5 to 7 percent.
The invention also provides a preparation method of the through white brick with low cost and environmental protection, which comprises the following steps:
(1) weighing the raw materials for forming the low-cost and environment-friendly through white brick according to the proportion, adding water, ball-milling, and sieving with a 250-mesh sieve to obtain the mixture, wherein the rest is 0.5-0.8%;
(2) mixing slurry, color matching and spraying powder to prepare a mixture, wherein the water content of the mixture is 6.5-7.2%;
(3) pressing and molding the mixture by using a secondary material distributor to obtain the blank body; the secondary material distributor has the following technological parameters: the pressure is 3000KN, the speed is 6 times/min, and the thickness is 12.4 mm;
(4) feeding the green body into a firing process, adjusting a firing curve, lengthening an oxidation zone, and exhausting gas before the brick surface is leveled to obtain a primary finished product; the firing area of the firing procedure comprises a preheating area and a firing area, wherein the preheating area comprises 8 areas, the temperature range of the preheating area is 322-914 ℃, the firing area comprises 41 areas, the surface temperature range of the firing area is 881-1227 ℃, and the bottom temperature range of the firing area is 959-1253 ℃; wherein, the 24 th area to the 35 th area of the sintering area are heat preservation areas, the number of the heat preservation areas is 12, the surface temperature of the heat preservation areas is 1227 ℃, and the bottom temperature is 1253 ℃;
(5) and (3) roughly polishing, middle polishing, finely polishing, edging, waxing, grading, packaging and warehousing the primary finished product to obtain the low-cost and environment-friendly through white brick.
In the step (1) of the embodiment, a water reducing agent is also added during the water adding and ball milling, and the water reducing agent is a dispergator produced by lotus saint pottery limited company;
the pyrophyllite used in the embodiment is pyrophyllite with dry white of more than 80 degrees, which is produced by Anda ceramics materials Co., Ltd;
the origin of the talc used in this example is Haicheng Liaoning, the loss on ignition of the talc is about 5%, and the whiteness is 90-95 ℃;
the secondary cloth machine that this embodiment used is the secondary cloth press of saxometer, and the tonnage of secondary cloth machine is 3800 KN.
Comparative example 2
The low-cost and environment-friendly through white brick is prepared from the following raw materials in parts by weight: 36 parts of pyrophyllite, 9 parts of potash albite, 29 parts of diopside, 5.5 parts of talc, 5 parts of kaolin, 11 parts of ball clay and 5.5 parts of bentonite; the soaking whiteness of the bentonite is 58 degrees;
the low-cost and environment-friendly through white brick comprises the following chemical components in percentage by weight: SiO 22:65～68%、Al2O3:19～22%、Fe2O3:0.2～0.3%、TiO2:0.1～0.15%、CaO:5～7%、MgO:2～3%、K2O:1.5～2.5%、Na22-3% of O, loss on ignition: 5 to 7 percent.
The invention also provides a preparation method of the through white brick with low cost and environmental protection, which comprises the following steps:
(1) weighing the raw materials for forming the low-cost and environment-friendly through white brick according to the proportion, adding water, ball-milling, and sieving with a 250-mesh sieve to obtain the mixture, wherein the rest is 0.5-0.8%;
(2) mixing slurry, color matching and spraying powder to prepare a mixture, wherein the water content of the mixture is 6.5-7.2%;
(3) pressing and molding the mixture by using a secondary material distributor to obtain the blank body; the secondary material distributor has the following technological parameters: the pressure is 3000KN, the speed is 6 times/min, and the thickness is 12.4 mm;
(4) feeding the green body into a firing process, adjusting a firing curve, lengthening an oxidation zone, and exhausting gas before the brick surface is leveled to obtain a primary finished product; the firing area of the firing procedure comprises a preheating area and a firing area, wherein the preheating area comprises 8 areas, the temperature range of the preheating area is 322-914 ℃, the firing area comprises 40 areas, the surface temperature range of the firing area is 881-1227 ℃, and the bottom temperature range of the firing area is 959-1253 ℃; wherein, the 24 th area to the 34 th area of the sintering area are heat preservation areas, the number of the heat preservation areas is 11, the surface temperature of the heat preservation areas is 1227 ℃, and the bottom temperature is 1253 ℃;
(5) and (3) roughly polishing, middle polishing, finely polishing, edging, waxing, grading, packaging and warehousing the primary finished product to obtain the low-cost and environment-friendly through white brick.
In the step (1) of the embodiment, a water reducing agent is also added during the water adding and ball milling, and the water reducing agent is a dispergator produced by lotus saint pottery limited company;
the pyrophyllite used in the embodiment is pyrophyllite with dry white of more than 80 degrees, which is produced by Anda ceramics materials Co., Ltd;
the origin of the talc used in this example is Haicheng Liaoning, the loss on ignition of the talc is about 5%, and the whiteness is 90-95 ℃;
the secondary cloth machine that this embodiment used is the secondary cloth press of saxometer, and the tonnage of secondary cloth machine is 3800 KN.
Comparative example 3
The low-cost and environment-friendly through white brick is prepared from the following raw materials in parts by weight: 36 parts of pyrophyllite, 9 parts of potash albite, 29 parts of diopside, 5.5 parts of talc, 5 parts of kaolin, 11 parts of ball clay and 5.5 parts of bentonite; the soaking whiteness of the bentonite is 58 degrees;
the low-cost and environment-friendly through white brick comprises the following chemical components in percentage by weight: SiO 22:65～68%、Al2O3:19～22%、Fe2O3:0.2～0.3%、TiO2:0.1～0.15%、CaO:5～7%、MgO:2～3%、K2O:1.5～2.5%、Na22-3% of O, loss on ignition: 5 to 7 percent.
The invention also provides a preparation method of the through white brick with low cost and environmental protection, which comprises the following steps:
(1) weighing the raw materials for forming the low-cost and environment-friendly through white brick according to the proportion, adding water, ball-milling, and sieving with a 250-mesh sieve to obtain the mixture, wherein the rest is 0.5-0.8%;
(2) mixing slurry, color matching and spraying powder to prepare a mixture, wherein the water content of the mixture is 6.5-7.2%;
(3) pressing and molding the mixture by using a secondary material distributor to obtain the blank body; the secondary material distributor has the following technological parameters: the pressure is 3000KN, the speed is 6 times/min, and the thickness is 12.4 mm;
(4) sending the blank into a firing process, and obtaining a primary finished product by using a firing curve of the potassium-sodium series full body white brick;
(5) and (3) roughly polishing, middle polishing, finely polishing, edging, waxing, grading, packaging and warehousing the primary finished product to obtain the low-cost and environment-friendly through white brick.
In the step (1) of the embodiment, a water reducing agent is also added during the water adding and ball milling, and the water reducing agent is a dispergator produced by lotus saint pottery limited company;
the pyrophyllite used in the embodiment is pyrophyllite with dry white of more than 80 degrees, which is produced by Anda ceramics materials Co., Ltd;
the origin of the talc used in this example is Haicheng Liaoning, the loss on ignition of the talc is about 5%, and the whiteness is 90-95 ℃;
the secondary cloth machine that this embodiment used is the secondary cloth press of saxometer, and the tonnage of secondary cloth machine is 3800 KN.
The following table 1 shows the performance measurement results of the through white bricks which are prepared in the examples 1 to 4 and the comparative examples 1 to 3 and have low cost and environmental protection.
The test method comprises the following steps:
water absorption: measuring the water absorption of the product by adopting the method for measuring the water absorption in the No. 3 ceramic tile detection method of GB/T3810.3-2006;
breaking strength: detecting the breaking strength by using a force measuring controller with the model of KSF 003;
| serial number | Percent pass of product (%) | Flexural strength (MPa) | Water absorption (%) | Whiteness (degree) of product |
| Example 1 | 92.5 | 38.48 | 0.018-0.030 | 53 |
| Example 2 | 92.8 | 39.59 | 0.025-0.028 | 53 |
| Example 3 | 93.5 | 42.01 | 0.019-0.027 | 53 |
| Example 4 | 92.0 | 42.23 | 0.017-0.025 | 53 |
| Comparative example 1 | 86.5 | 36.43 | 0.026-0.031 | 53 |
| Comparative example 2 | 87.6 | 34.05 | 0.018-0.024 | 53 |
| Comparative example 3 | 88.3 | 35.43 | 0.021-0.029 | 53 |
The antifouling test is carried out on the through body white bricks which are prepared in the examples 1 to 4 and the comparative examples 1 to 3 and have low cost and environmental protection, and the antifouling test method comprises the following steps: respectively taking 20 whole-body white bricks which are prepared in the embodiments 1-4 and the comparative examples 1-3 and have low cost and environmental protection, performing tests, smearing cement on the brick surface, wiping the brick surface with cloth, comparing the brick surface with the brick surface, and if the cleanliness of the brick surface does not change obviously, proving that the antifouling property is qualified;
the results are summarized below:
all 20 through white bricks prepared in example 1 pass the antifouling test, and therefore, the through white bricks prepared in example 1 are qualified in antifouling performance;
all 20 through white bricks prepared in example 2 pass the antifouling test, and therefore, the through white bricks prepared in example 1 are qualified in antifouling performance;
all 20 through white bricks prepared in example 3 pass the antifouling test, and therefore, the through white bricks prepared in example 1 are qualified in antifouling performance;
all 20 through white bricks prepared in example 4 pass the antifouling test, and therefore, the through white bricks prepared in example 1 are qualified in antifouling performance;
the 20 through white bricks prepared in the comparative example 1 failed the antifouling test, and thus it can be seen that the through white bricks prepared in the example 1 failed in antifouling performance;
the 20 through white bricks prepared in the comparative example 2 failed the antifouling test, and thus it can be seen that the through white bricks prepared in the example 1 failed in antifouling performance;
in the 20 through white bricks prepared in comparative example 3, none of them passed the antifouling test, and it was found that the through white brick prepared in example 1 failed in antifouling property.
According to the performance test result and the antifouling test result, the low-cost and environment-friendly through white brick and the preparation method thereof have the advantages that the qualification rate is more than 90%, the breaking strength is more than 35MPa, the water absorption is less than 0.05%, the whiteness of the product is more than 53 ℃, and the product meets the national and internal control standards; pyrophyllite and diopside are used as main raw materials, a potassium-sodium system is changed into a calcium-magnesium system, the consumption of high-cost ball clay and high-white potash-sodium feldspar is reduced, a zirconium silicate whitening agent in the traditional formula is removed, the firing temperature is reduced, the whiteness of the produced product is over 53 ℃, due to the melting assistance effect of the calcium-magnesium system, the firing temperature can be reduced, the fuel cost is synchronously saved, the production cost is reduced, the cost is saved by at least 100 yuan/ton compared with a green body with the same whiteness, and the green environmental protection is realized; the invention relates to a low-cost and environment-friendly through body white brick and a preparation method thereof, which break through the traditional thinking, take pyrophyllite and diopside as main raw materials, adjust a firing curve, elongate an oxidation zone, exhaust gas before the brick surface is melted, have no pores on the brick surface of the finished brick, are not easy to store dirt and deposit on the brick surface, greatly improve the antifouling effect of the brick surface of the finished brick, and effectively solve the problem of poor antifouling capability of the calcium-magnesium through body white brick.
Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The low-cost and environment-friendly through white brick is characterized by comprising the following raw materials in parts by weight: 33-37 parts of pyrophyllite, 8-12 parts of potash feldspar, 28-32 parts of diopside, 4-6 parts of talc, 4-6 parts of kaolin, 8-12 parts of ball clay and 4-6 parts of bentonite;
the soaking whiteness of the bentonite is more than 55 degrees.
2. The low-cost and environment-friendly all-in-one white brick according to claim 1, characterized in that the low-cost and environment-friendly all-in-one white brick is composed of the following raw materials in parts by weight: 35 parts of pyrophyllite, 10 parts of potash feldspar, 30 parts of diopside, 5 parts of talc, 5 parts of kaolin, 10 parts of ball clay and 5 parts of bentonite;
the soaking whiteness of the bentonite is more than 55 degrees.
3. The low-cost and environment-friendly all-in-one white brick according to claim 1, characterized in that the raw materials of the low-cost and environment-friendly all-in-one white brick comprise the following chemical components in percentage by weight: SiO 22:65～68%、Al2O3:19～22%、Fe2O3:0.2～0.3%、TiO2:0.1～0.15%、CaO:5～7%、MgO:2～3%、K2O:1.5～2.5%、Na22-3% of O, loss on ignition: 5 to 7 percent.
4. The low-cost environment-friendly all-in-one white brick according to claim 1, wherein the whiteness of the low-cost environment-friendly all-in-one white brick is over 53 degrees.
5. The low-cost and environment-friendly all-body white brick as claimed in claim 1, wherein the bentonite has a water immersion whiteness of 56-58 degrees.
6. The method for preparing the low-cost and environment-friendly all-in-one white brick according to any one of claims 1 to 5, which is characterized by comprising the following steps of:
(1) weighing the raw materials for forming the low-cost and environment-friendly through white brick according to the proportion, adding water, ball-milling, and sieving with a 250-mesh sieve to obtain the mixture, wherein the rest is 0.5-0.8%;
(2) mixing slurry, color matching and spraying powder to prepare a mixture;
(3) pressing and molding the mixture by using a secondary material distributor to obtain the blank body;
(4) feeding the green body into a firing process, adjusting a firing curve, lengthening an oxidation zone, and exhausting gas before the brick surface is leveled to obtain a primary finished product;
(5) and polishing and grading the primary finished product to obtain the low-cost and environment-friendly through white brick.
7. The low-cost and environment-friendly all-in-one white brick according to claim 6, characterized in that the water content of the mixture in the step (2) is 6.5-7.2%.
8. The low-cost and environment-friendly through white brick according to claim 6, characterized in that the mixture is pressed and formed by a secondary material distributor in the step (3) to obtain the green body; the secondary material distributor has the following technological parameters: the pressure is 3000KN, the speed is 6 times/min, and the thickness is 12.2-12.8 mm.
9. The low-cost and environment-friendly all-in-one white brick according to claim 6, wherein the firing zone of the firing process in the step (4) comprises a preheating zone and a firing zone, the preheating zone comprises 8 zones, the temperature of the preheating zone is in the range of 322 ℃ to 914 ℃, the firing zone comprises 42 zones, the surface temperature of the firing zone is in the range of 881 ℃ to 1227 ℃, and the bottom temperature of the firing zone is in the range of 959 ℃ to 1253 ℃; wherein, the 24 th area to the 36 th area of the sintering area are heat preservation areas, the heat preservation areas are 13 areas in total, the surface temperature of the heat preservation areas is 1227 ℃, and the bottom temperature is 1253 ℃.
10. The low-cost and environment-friendly full-body white brick according to claim 6, characterized in that in the step (5), the brick is subjected to rough polishing, middle polishing, fine polishing, edge polishing, waxing, grading, packaging and warehousing.
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Application publication date: 20210209 |