Ceramic tile production process

1, the ingredients of mud, sand, stone and accessories, according to technological formula ratio, mix. （ Ingredients in feeder) Ceramic tile material 2, ball mill, clay, sand, stone and other materials through the belt conveyor in the ball mill, ball mill by the rotation of the sand clay and stone ball rub against each other and impact extrusion, achieve the refining process. Grinding fineness in general to screen more than 1 & ndash; 2%, ( 250 mesh sieve) In the 30 - mud moisture control 32%. Ball mill ball mill working principle 3, in addition to sift the iron ball mill of the pulp by iron bars, screen, remove the iron impurities and coarse particle inside. Black spots on the surface of the ceramic tile defects most are grey iron impurities without clean, after burnt into black iron oxide, oxide on the surface. （ The use of vibrating screen and general automatic iron machine) 。 4, in addition to iron slurry pool stale out of different ball mill slurry mixing and homogenizing in conserving pool. Each ball size more or less will be a little deviation, ingredients or water, produce error, then by comparing the mixed slurry pool can achieve stable uniform. Stale 5, and spray drying slurry with high temperature flue gas heat transfer in spray drying tower, evaporation of moisture, become the moisture content in 5 - 6% of the granular powder. 6, molding powder spray drying by tile molding machine stamping into block bricks, early use of automatic pressure machine are imported, basically have Italy sacmi, siti, German foreign brands such as rice. Now domestic automatic press already very mature, such as Thailand, keda companies such as production of the compressor has been widely used. Forming is a very important process, if the improper control, will have quite a few defects, such as layering, crack, different thickness and variant. In 5-7, dry moisture content 6% of green pass roller dryer into dry moisture content is below 1%, strength are improved remarkably. Green is not after drying, the back of the process will be unable to complete, and because of poor body strength, can't crossed the line, glazing, printing, all the decoration process can't be. Drying kiln 8, glazing on the surface of dry body spray a thin layer on the glaze, can rise to decorate and protection. Glazing method has a lot of kinds, jilt glaze, glaze, pour glaze, iridescence, etc. , can choose according to the different technique. Pour glaze 9, grinding glaze in dry on the surface of the body spray a thin layer of glaze, can rise to decorate and protection. Glazing method has a lot of kinds, jilt glaze, glaze, pour glaze, iridescence, etc. , can choose according to the different technique. Grinding glaze 10, printed on the surface of the body that has glazing printed on a certain pattern, pattern. Rise to decorate the effect of three methods for printing 1) Silk screen printing screen printing now have less use. Disadvantages: 1, the printing effect, design and color patches of the same screen 2) mechanical The biggest advantage is that rubber roller printing roller printing, printing effect than the silk screen printing, so not drab, and the color difference is smaller than the screen printing. According to the need can use one or more roller printing. Roller (3) Inkjet printing inkjet technology introduced my company in Italy in 2011, is in the computer after processing the image, to transmit information to the printing ink jet printing machine automatically design. Products more vivid and exquisite, use up to 360 dpi ink-jet printing pixel, this is the wire mesh and rubber roller incomparable; By using non-contact printing, making any concave and convex mold can be printed on flowers, this is the silk screen and roller printing incomparable. Without borders printing, unlike screen and roller printing can produce borders; The patterns of the large size of printed products rich in natural; Using digital technology to produce ceramic; Production is more simple and quick, fast production varieties; Reduce the damage rate. Resolution 12 million pixel digital camera photo, can restore the nature of all things, has 108 kinds of colors, is better than roller printing, more real, more natural. 11, sintering the bricks after printing, inkjet through in the high temperature inside the kiln firing ( Generally at about 1200 ℃) Bo changes into a process of porcelain. Sintering process is the most critical phase, the archaize tile production process without the stage in front of all kung fu is in vain, because before into the kiln firing was the palatial billet, as soon as you pull off by hand. After burning into porcelain, became very hard wear-resisting. All the defects are also after burning all show it. Such as pinhole, crack, reducer, the moon, and so on. Kiln head 12, edge grinding burn out from kiln by grinding the edge of semi-finished products to achieve standard of finished products. Of course there are some products is not to need to edge grinding, burn out of the kiln is the finished product. Edge grinding, grading, 13 color grading staff in accordance with the standards of plant to color classification of products, all the defective products. 14, packaging packers for different categories of new products, including color number, different grades of products, respectively, play good packing 15, inventory will finished goods to the warehouse
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