Disclosure of Invention
The invention aims to provide a 3mm ceramic rock plate and a manufacturing method thereof, which can solve the problems that the blank strength and toughness of the ceramic rock plate can not meet the requirements of consumption and application scenes in the production process, the internal stress formed in the firing process is not uniformly distributed, the ceramic rock plate is easy to cut and crack due to the internal stress in the later processing process, the plate is easy to crack due to vibration of a common scraping and rough polishing grinding head, the polishing process cannot be smoothly carried out, and the like, and realize glaze polishing and have the light transmission effect.
The technical scheme of the invention is that the 3mm glazed full-polished ceramic rock plate with the light transmission effect is characterized in that a ceramic rock plate blank body comprises the following components in percentage by weight: 5-10% of rock spar, 15-25% of JY902 kaolin, 5-10% of YZ-8 ball clay, 15-20% of KT85 ball clay, 3-8% of high white potassium stone powder, 38-45% of lithium aluminum silicon glass waste powder, 5-10% of beta-spodumene, 0-3% of blank reinforcing agent and 3-8% of lithium bentonite.
As a priority: the rock spar comprises the following chemical components in percentage by weight: siO 2 2 72.55%、Al 2 O 3 14.42%、Fe 2 O 3 1.79%、CaO 0.98%、MgO 0.18%、K 2 O 5.8%、Na 2 O 3.7%、TiO 2 0.1%、Loss 0.48%。
As a priority: the JY902 kaolin is prepared by a water milling mode, and the chemical components of the JY902 kaolin are composed of the following components in percentage by weight: siO 2 2 49.06%、Al 2 O 3 35.56%、Fe 2 O 3 0.45%、CaO 0.09%、MgO 0.17%、K 2 O 1.35%、Na 2 O 0.25%、TiO 2 0.09%、Loss 12.98%。
As a priority: the YZ-8 ball clay is prepared by adopting a water washing mode, and comprises the following chemical components in percentage by weight: siO 2 2 55.68%、Al 2 O 3 30.22%、Fe 2 O 3 0.47%、CaO 0.07%、MgO 0.19%、K 2 O 0.84%、Na 2 O 0.37%、TiO 2 0.11%、Loss 12.05%。
As a priority: the KT85 ball clay comprises the following chemical components in percentage by weight: siO 2 2 57.45%、Al 2 O 3 31.23%、Fe 2 O 3 0.50%、CaO 0.07%、MgO 0.52%、K 2 O 0.34%、Na 2 O 0.25%、TiO 2 0.17%、Loss 9.47%。
As a priority: the thermal expansion coefficient of the lithium aluminum silicon glass waste powder is as follows: 2.56 is multiplied by 10 at the temperature of 25-450 DEG C -6 At 25-600 deg.C, 3.24 × 10 -6 The chemical components of the alloy comprise the following components in percentage by weight: siO 2 2 63.36%、Al 2 O 3 23.39%、Fe 2 O 3 0.06%、CaO 0.29%、MgO 0.94%、K 2 O 0.13%、Na 2 O 2.28%、TiO 2 0.01%、LiO 4.75%、B 2 O 3 4.01%、ZnO 0.78%。
The other technical scheme of the invention is that the manufacturing method of the 3mm glazed full-polished ceramic rock plate with the light transmission effect is characterized by comprising the following steps of:
firstly, blank processing: proportioning and ball-throwing according to a blank formula of the ceramic rock plate to perform slurry processing;
spray drying, granulating and milling;
performing dry pressing forming: pressing and molding by using a SYSTEM belt type dieless molding press with a maximum pressing pressure of 380Kg/cm 2 And specification of the pressed green body: the length is 2 to 3.2m, the width is 1 to 1.6m, and the thickness is 3mm; the mud blank oil absorption rate of the pressed rock plate blank is 10.2-10.5%;
and fourthly, drying: the drying time is 80 to 90 minutes; the residual water content of the dried green body is less than or equal to 0.5 percent; breaking strength of dried preform: 3.8 to 4.5MPa;
carrying out surface decoration: the light-transmitting ceramic rock plate has a light-transmitting effect of local point, line and surface, and the surface decoration process route is as follows: dry transparent blank → white glaze decoration → pattern decoration of different colors → transparent protective overglaze decoration;
sixthly, burning: the length of a kiln used for firing the transparent ceramic rock plate product is 450m, the width of the kiln is 2.2m, the firing temperature is 1150-1200 ℃, the high-fire heat preservation time is 7-15 minutes, and the firing time is 80-115 minutes;
polishing for ears: the parameters of the polishing process are as follows: the pressure of the polishing machine is 0.1-0.5 Mpa, the polishing speed is 10-15 m/min, and the polishing grinding block is matched as follows: 5-10 groups of 320-mesh elastic grinding blocks, 15-23 groups of 400-mesh elastic grinding blocks, 10-25 groups of 600-mesh elastic grinding blocks, 5-10 groups of 800-mesh elastic grinding blocks, 0-10 groups of 320-mesh fiber grinding blocks, 0-5 groups of 400-mesh fiber grinding blocks, and 0.1-0.3 mm of polishing cutting amount.
As a priority: step fifthly further includes:
(5.1) the white glaze decoration is to print white glaze at local positions of points, lines and small areas according to the design effects of patterns, colors and light transmission intensity of the light-transmitting ceramic rock plate, corresponding gray level requirements can be designed according to the light transmission intensity and the pattern colors of the light-transmitting ceramic rock plate product, and the thickness of a glaze layer of the white glaze decoration is controlled to be 0.03-0.5 mm; the white glaze decoration adopts an ink jet device provided with a large ink jet amount spray head to carry out a non-contact ink jet printing process, or adopts an ultra-wide screen printing machine to carry out 2-4 times of printing on a 60-mesh 3-time thickened glue screen, and after each time of printing decoration, the white glaze decoration enters a 30-meter drying box to be dried, wherein the drying temperature is 150-220 ℃;
(5.2) the pattern decorations with different colors are positioned by ink with different colors and are sprayed by adopting 8-12 channels of digital color ink jet equipment according to the patterns and the color effects of the transparent ceramic rock plate product; or an ultra-wide screen printing machine is adopted to carry out positioning printing pattern decoration on fancy glaze with different colors on a screen with 100-140 meshes of 3 times of thickened glue, and after decoration printing is carried out each time, the fancy glaze enters a 30-meter drying box to be dried, wherein the drying temperature is 150-220 ℃;
the different color pattern positioning decoration refers to the fixed point effect of the different color ink or fancy glaze and the white glaze decoration pattern in the step (5.1), namely, black and blue color decoration is carried out on the white glaze decoration, and the covering light transmission effect and the stereoscopic effect are excellent;
(5.3) the transparent protective overglaze decoration adopts high-pressure glaze spraying cabinet equipment to apply the transparent protective overglaze on the surface of the digital pattern decoration, the thickness of the transparent protective overglaze is controlled to be 0.07-0.12 mm, and the transparent protective overglaze comprises the following components in percentage by weight: 25 to 30 percent of albite, 12 to 16 percent of high-aluminum high-calcium transparent clinker powder, 20 to 25 percent of high-silicon high-calcium transparent clinker powder, 15 to 25 percent of lithium-aluminum-silicon waste glass powder, 5 to 8 percent of kaolin, 0 to 5 percent of calcined kaolin, 2 to 5 percent of apatite, 2 to 4 percent of zinc oxide, 7 to 10 percent of dolomite, 0.2 to 0.3 percent of CMC, and 0.3 to 0.5 percent of sodium tripolyphosphate;
the chemical components of the high-aluminum high-calcium transparent clinker powder are as follows by weight percent: siO 2 2 48~50%、Al 2 O 3 25~27%、K 2 O 2~3%、Na 2 O 0.5~1%、CaO 17~19%、MgO 2~3%、ZnO 1.5~2%、Fe 2 O 3 0~0.05%,TiO 2 0~0.03%,B 2 O 3 0~0.1%;
The high-silicon high-calcium transparent clinker powder comprises the following chemical components in percentage by weight: siO 2 2 60~62%、Al 2 O 3 14~16%、K 2 O 0.2~0.5、Na 2 O 0.1~0.3%、CaO 20~21%、MgO 2~3%、ZnO 0~0.01%、Fe 2 O 3 0~0.05%,TiO 2 0~0.01%,B 2 O 3 0~0.1%。
As a priority: the white glaze decoration in the step (5.1) adopts a printing process, the specific gravity of the fancy glaze with different colors is 1.5-1.65, and the fancy glaze comprises the following components in percentage by weight: 30-60% of printing powder, 5-30% of pigments with different colors, 15-30% of water bubble CMC liquid, 5-10% of glycerol, 3-5% of ethylene glycol and 0.2% of preservative;
wherein: the water-soaked CMC liquid is prepared by stirring and mixing CMC powder and water according to the proportion of 1.
As a priority: the formula of the printing powder comprises the following components in percentage by weight: 17 to 20 percent of albite, 20 to 25 percent of potassium feldspar, 10 to 15 percent of high-alumina high-calcium transparent clinker powder, 5 to 8 percent of crude ore kaolin, 6 to 10 percent of calcined kaolin, 4 to 6 percent of barium carbonate, 2 to 4 percent of zinc oxide, 10 to 15 percent of dolomite, 1 to 3 percent of superfine quartz powder and 1 to 5 percent of superfine alumina powder; the pigments of different colors comprise one or more of sea blue, dark cobalt blue, red zirconium iron, wrapping scarlet, cobalt nickel extra black, vanadium zirconium yellow, praseodymium zirconium yellow, apple green and malachite green.
Wherein the average grain diameter of the superfine quartz powder is 1.2-2.0 μm;
wherein the average grain diameter of the superfine alumina powder is 1.4-2.5 μm.
As a priority: the white glaze decoration in the step (5.1) adopts an ink-jet printing process, and ink-jet equipment provided with a large ink-jet amount spray head carries out non-contact ink-jet printing on milky digital ink according to pattern textures designed by PHOTO SHOP;
the opal digital ink is prepared by calcining the opal glaze basic formula material at 900 ℃, grinding and crushing to 12 mu m, and then ball-milling and mixing with a diluent, a dispersant and an auxiliary agent in a set amount; the solid content of the milky white digital ink is 40 to 43 percent, and the specific surface area is 8.3 to 8.4m 2 The grain diameter is D100.5-0.6 μm, D50.7-0.8 μm, D97.4-1.5 μm.
As a priority: the milky glaze base formula comprises the following components in percentage by weight: 80-85% of superfine zirconium silicate, 13-20% of zirconium oxide and 0-7% of nano silicon, and its expansion coefficient is 6.30-6.71X 10 at 650 deg.C -6 /° c; wherein the particle size of the superfine zirconium silicate is as follows: d50 is less than 1.4 μm, d90 is less than 3.0 μm, refractive index is 1.93-2.01, and radioactivity internal and external irradiation is less than 1.0; wherein the nano silicon is prepared by a gas phase method, and the diameter of the nano silicon is 2-4 nm.
Compared with the prior art, the invention has the following beneficial effects:
the formula of the green body strictly controls the calcium content, effectively improves the cutting crack defect, improves the cutting efficiency of a rock plate product, and is beneficial to improving the later-stage cold processing performance of the product.
The invention also discloses a production method of the 3mm glazed fully-polished ceramic rock plate, and solves the problems that the strength and toughness of a blank cannot meet the requirements of a consumption application scene in the production process of the ceramic rock plate, the distribution of internal stress formed in the firing process is uneven, cutting and cracking are easily caused by the internal stress in the post-processing process, the vibration of a conventional polishing technology in common scraping and rough polishing grinding heads is large, the plate is easily shattered, the polishing process cannot be smoothly carried out, and the like.
The nano silicon used in the basic formula of the milky glaze has large surface area and high surface activity, is easy to wrap other materials to form a rapid reaction, and ensures that the milky glaze has excellent covering effect.
Detailed Description
The invention will be further described in detail with reference to the following examples:
the 3mm glazed fully-polished ceramic rock plate with the light transmission effect is characterized in that a ceramic rock plate blank body comprises the following components in percentage by weight: 5% of rock crystal, 18% of JY902 kaolin, 5% of YZ-8 ball clay, 12% of KT85 ball clay, 5% of high white potassium stone powder, 41% of lithium aluminum silicon glass waste powder, 9% of beta-spodumene, 1% of green body reinforcing agent and 4% of lithium-based bentonite.
In the embodiment, the rock spar comprises the following chemical components in percentage by weight: siO 2 2 72.55%、Al 2 O 3 14.42%、Fe 2 O 3 1.79%、CaO 0.98%、MgO 0.18%、K 2 O 5.8%、Na 2 O 3.7%、TiO 2 0.1%、Loss 0.48%;
In the embodiment, JY902 kaolin is prepared by a water milling mode, and the chemical components of the JY902 kaolin comprise the following components in percentage by weight: siO 2 2 49.06%、Al 2 O 3 35.56%、Fe 2 O 3 0.45%、CaO 0.09%、MgO 0.17%、K 2 O 1.35%、Na 2 O 0.25%、TiO 2 0.09%、Loss 12.98%;
In the embodiment, the YZ-8 ball clay is prepared by adopting a water washing mode, and the chemical components of the ball clay comprise the following components in percentage by weight: siO 2 2 55.68%、Al 2 O 3 30.22%、Fe 2 O 3 0.47%、CaO 0.07%、MgO 0.19%、K 2 O 0.84%、Na 2 O 0.37%、TiO 2 0.11%、Loss 12.05%;
In the embodiment, the KT85 ball clay comprises the following chemical components in percentage by weight: siO 2 2 57.45%、Al 2 O 3 31.23%、Fe 2 O 3 0.50%、CaO 0.07%、MgO 0.52%、K 2 O 0.34%、Na 2 O 0.25%、TiO 2 0.17%、Loss 9.47%
In this embodiment, the thermal expansion coefficient of the lithium aluminosilicate glass waste powder is as follows: 2.56 is multiplied by 10 at the temperature of 25-450 DEG C -6 At 25-600 deg.C, 3.24 × 10 -6 The chemical components of the alloy comprise the following components in percentage by weight: siO 2 2 63.36%、Al 2 O 3 23.39%、Fe 2 O 3 0.06%、CaO 0.29%、MgO 0.94%、K 2 O 0.13%、Na 2 O 2.28%、TiO 2 0.01%、LiO 4.75%、B 2 O 3 4.01%、ZnO 0.78%。
The manufacturing method of the 3mm glazed full-polished ceramic rock plate with the light transmission effect comprises the following steps:
firstly, blank processing: proportioning and ball-throwing according to a blank formula of the ceramic rock plate to perform slurry processing;
spray drying, granulating and pulverizing;
performing dry pressing forming: pressing and molding by using a SYSTEM belt type dieless molding press with a maximum pressing pressure of 380Kg/cm 2 And specification of the pressed green body: the length is 2.6m, the width is 1.2m, and the thickness is 3mm; the oil absorption rate of the mud blank of the rock plate blank obtained by pressing is 10.2 percent;
and fourthly, drying: drying time 82 minutes; the residual water content of the dried green body is 0.45 percent; breaking strength of dried preform: 4.2MPa;
carrying out surface decoration: the light-transmitting ceramic rock plate has a light-transmitting effect of local point-line surface, and the surface decoration process route is as follows: drying light-transmitting blank → white glaze decoration → pattern decoration of different colors → transparent protective overglaze decoration;
(5.1) the white glaze decoration is to print white glaze at local positions of points, lines and small areas according to the design effects of patterns, colors and light transmission intensity of the light-transmitting ceramic rock plate, corresponding gray level requirements are designed according to the light transmission intensity and the pattern colors of the light-transmitting ceramic rock plate product, and the thickness of a glaze layer of the white glaze decoration is controlled to be 0.4mm; the white glaze decoration adopts an ink jet device provided with a large ink jet amount spray head to carry out a non-contact ink jet printing process, and the ink jet device carries out non-contact ink jet printing on milky digital ink according to pattern textures designed by PHOTO SHOP;
the opal digital ink is prepared by calcining the opal glaze basic formula material at 900 ℃, grinding and crushing to 12 mu m, and then ball-milling and mixing with a diluent, a dispersant and an auxiliary agent in a set amount; the solid content of the opal digital ink is 43 percent, the specific surface area is 8.3m2/g, and the particle size is D10 of 0.5 μm, D50 of 0.8 μm and D97 of 1.4 μm; the milky glaze basic formula comprises the following components in percentage by weight: 82% of superfine zirconium silicate, 14% of zirconium oxide and 4% of nano silicon, and its expansion coefficient is 6.42X 10 at 650 deg.C -6 /° c; wherein the particle size of the superfine zirconium silicate is as follows: d50 is 1.5 μm, d90 is 3.2 μm, refractive index is 1.97, radioactivity internal irradiation is 0.4, radioactivity external irradiation is 0.6; wherein the nano silicon is prepared by a gas phase method, and the diameter of the nano silicon is 2.5nm;
(5.2) the pattern decorations with different colors are ink-jet pattern decorations with different color ink positioning by adopting 12-channel digital color ink-jet equipment according to the patterns and the color effects of the transparent ceramic rock plate product, namely black and blue color decorations are carried out on the white glaze decoration, and the covering transparent effect and the stereoscopic effect are excellent;
(5.3) the transparent protective overglaze decoration adopts high-pressure glaze spraying cabinet equipment to apply the transparent protective overglaze on the surface of the digital pattern decoration, the thickness of the transparent protective overglaze is controlled to be 0.11mm, and the transparent protective overglaze comprises the following components in percentage by weight: 26% of albite, 12% of high-aluminum high-calcium transparent clinker powder, 21% of high-silicon high-calcium transparent clinker powder, 17% of lithium-aluminum-silicon waste glass powder, 6% of kaolin, 2% of calcined kaolin, 5% of apatite, 3% of zinc oxide, 7.5% of dolomite, 0.2% of CMC and 0.3% of sodium tripolyphosphate;
the chemical components of the high-aluminum high-calcium transparent clinker powder are as follows by weight percent: siO 2 2 48.52%、Al 2 O 3 26.84%、K 2 O 2.5%、Na 2 O 0.5%、CaO 18%、MgO 2%、ZnO 1.5%、Fe 2 O 3 0.01%、TiO 2 0.03%、B 2 O 3 0.1%;
The high-silicon high-calcium transparent clinker powder comprises the following chemical components in percentage by weight: siO 2 2 61.2%、Al 2 O 3 14.15%、K 2 O 0.2、Na 2 O 0.3%、CaO 21%、MgO 2%、ZnO 0.01%、Fe 2 O 3 0.03%,TiO 2 0.01%,B 2 O 3 0.1%;
Sixthly, burning: the length of a kiln used for firing the transparent ceramic rock plate product is 450m, the width of the kiln is 2.2m, the firing temperature is 1178 ℃, the high-fire heat preservation time is 9 minutes, and the firing time is 87 minutes;
polishing for ears: the parameters of the polishing process are as follows: the pressure of the polishing machine is 0.2Mpa, the polishing speed is 13.5m/min, and the matching of polishing grinding blocks is as follows: 10 groups of 320-mesh elastic grinding blocks, 20 groups of 400-mesh elastic grinding blocks, 20 groups of 600-mesh elastic grinding blocks, 10 groups of 800-mesh elastic grinding blocks, 4 groups of 320-mesh fiber grinding blocks and 4 groups of 400-mesh fiber grinding blocks, wherein the polishing cutting amount is 0.1mm;
the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.