Ceramic coating burning colorful sand and method for making same
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A technology for ceramic coating and sintering colored sand, applied in the field of sintering colored sand and its preparation, can solve the problems of uneven color, large color difference, rough surface, etc., achieve low curing temperature, reduce energy consumption, and eliminate surface roughness Effect
Active Publication Date: 2008-03-12
江苏欧文斯彩砂科技有限公司
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Problems solved by technology
After lowering the furnace temperature, it can also overcome the shortcomings of existing technology products such as rough surface, large color difference, uneven color and "whitehead" product defects.
Method used
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Embodiment 1
[0029] Embodiment 1, ceramic coating sintered colored sand and preparation method thereof: the steps are as follows,
[0030] (1). Preparation of aluminum dihydrogen phosphate:
[0031] Mix industrial phosphoric acid and industrial aluminum hydroxide with water and react in a reactor. The reaction time is controlled within 2 to 10 hours, the reaction temperature is controlled between 50 and 100 degrees, and finally put into a pool for cooling; the binder The ratio of raw materials is 100 parts of phosphoric acid, 8 parts of aluminum hydroxide and 12 parts of water.
[0032] (2). Preparation of sand aggregate:
[0033] The basalt rock is crushed, and the specification reaches 8-40 mesh sand grains. The chemical composition of the sand grains is: SiO 2 40-60%, Fe 2 o 3 9-13%, AL 2 o 3 13-16%, MgO 9-12%, Na 2 O 3.5-4.5%, CaO 6-8%.
[0034] (3). Color mixing:
[0035] Stir the colorant, binder and co-solvent boric acid with the aggregate evenly, so that the colorant, b...
Embodiment 2
[0041] Embodiment 2 is basically the same as Embodiment 1, but has the following changes:
[0042] In the step (1), the raw material ratio of the binder is 100 parts of phosphoric acid, 10 parts of aluminum hydroxide, and 20 parts of water;
[0043] The mass ratio of each component in steps (3) and (4) is: 1000 parts of sand grains, 20 parts of binder, 3 parts of boric acid and 3 parts of pigment.
Embodiment 3
[0044] Embodiment 3 is basically the same as Embodiment 1, but has the following changes:
[0045] In the step (1), the raw material ratio of the binder is 100 parts of phosphoric acid, 5 parts of aluminum hydroxide, and 8 parts of water;
[0046] The mass ratios of the components in steps (3) and (4) are: 1000 parts of sand, 7 parts of binder, 0.5 part of boric acid, and 9 parts of pigment.
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Abstract
The present invention relates to the sintering color sand with ceramic coating, the aggregates of which are basalt sand grains. The sintering color sand is coated with a color ceramic coating and the color ceramic coating is composed of pigments and adhesives. The present invention is characterized in that the adhesives are aluminium dihydric phosphates; calculated according to the mass ratio, the raw materials are composed of 1000 portion of sand grains, 7 to 20 portion of adhesives and 3 to 20 portion of pigments. The preparation method of the sintering color sand with ceramic coating is that 100 portion of phosphoric acids, 5 to 20 portion of aluminum hydroxides and 8 to 25 portion of water are mixed together and stirred so as to react with each other, thus making the adhesives by cooling the mixtures; the basalt stones are broken up into 8 to 40 order of sand grains; 1000 portion of sand grains, 7 to 20 portion of adhesives and 3 to 20 portion of pigments are stirred uniformly and sintered and the temperature ranges from 300 to 900 Celsius system; cooling is carried out after the sintering to obtain the product. The solidifying temperature of the adhesives of the present invention is low and the sintering is firm; the process is simple and the energy consumption is obviously reduced, thus reducing the cost; the defects that the surface of the products in the prior art is rough, the color difference is large, the color is not uniform, the white head comes into existence for the products, etc are eliminated. The latent solvents are added in the optimization scheme, thus further lowering the sintering temperature.
Description
technical field [0001] The invention relates to a sintered colored sand with a ceramic coating and a preparation method thereof, and aims to provide a kind of sintered colored sand for construction in which the ceramic coating is sintered on the surface of basalt sand grains. Background technique [0002] Colored sand is a kind of decorative sand made of natural stone sand as the base and colored. It is widely used in the field of construction. At present, domestic colored sand is mainly limestone and quartz sand, which are made of resin and organic pigments and dyed. The products are easy to fade and fade, and have a short service life. [0003] No. 200610037985.0 Chinese patent application discloses a kind of colored sand, which is mainly composed of aggregate, colorant and binder. The colorant is evenly adhered to the surface layer of the aggregate through the binder. It is characterized in that the aggregate is It is composed of basalt with a fineness of 12-40 mesh, and...
Claims
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Application Information
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