Thermal-insulation ceramic and thermal-insulation ceramic coating
A ceramic and pink technology, applied in the direction of reflection/signal coating, coating, application, etc., can solve the problems of unfavorable product quality stability, high cost, etc., achieve obvious heat insulation effect, simple production formula, and no safety hazards.
Active Publication Date: 2013-09-18
PINGXIANG TONG YU SPECIAL PAINT
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Problems solved by technology
CN1075101C has announced a kind of water-based anti-radiation coating, and this coating uses filler kind more, except main filler, also needs to add other fillers such as calcium carbonate, clay, talcum powder, is unfavorable for the stability of product quality, and main filler is hollow ceramics Micro-beads, the cost is high, and the temperature difference of heat insulation is only 10-15°C
Method used
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[0035] Table 3: The weight percent of each component of heat-insulating ceramics and the sintering temperature and time for Examples 1-3
[0036]
[0037] According to the process ratio in Table 3, mix Jiepai peach red mud, Donghu mud and Changfeng kaolin in proportion, stir, then gradually add alumina powder, rare earth oxides, mineralizers in order, fully stir and mix to make porcelain mud, After passing through an extruder, it is extruded into mud sticks, dried, put into a sagger and put into a kiln. At a temperature of 1050-1400°C, it is continuously heat-preserved and sintered for 40-80 hours, and then naturally cooled out of the kiln. After leaving the kiln, the porcelain sticks Grinding and processing into 300-mesh powder can make heat-insulating ceramic powder.
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The invention discloses thermal-insulation ceramic coating, which comprises, by weight, 40-60 parts of thermal-insulation ceramic powder, 50-100 parts of acrylate copolymer resin emulsion, 25-40 parts of pigment, 4-10 parts of auxiliaries and 60-80 parts of water, and is prepared according to the steps: adding water into a stirring vessel according to the parts by weight, then adding dispersing agent and defoaming agent, sucking the pigment and the thermal-insulation ceramic powder by means of a vacuum pump, and stirring and dispersing for 30-60 minutes at a high speed (800-1000 revolutions/minute) so that slurry is prepared; and then adjusting the rotational speed of the stirring vessel to the medium and low speed of 400-600 revolutions/minute, sucking the emulsion by means of the vacuum pump, then sequentially adding coalescing agent, bactericide and ammonia water, fully and uniformly stirring, slowly adding thickening agent to achieve dilution of coating four cups in 32-36 seconds, and then filtering so that the canned coating is prepared. The thermal-insulation ceramic coating is high in adhesion, not easy to be pulverized and high in pressure resistance and ductility, and can be directly used for the surface of an object needing thermal insulation, and the service life of the thermal-insulation ceramic coating is as long as ten years.
Description
technical field [0001] The present invention relates to ceramics and coatings, in particular to insulating ceramics and coatings made of insulating ceramics. Background technique [0002] Domestic oil can only meet 1 / 2 of the market demand, and the rest depends on imports. By 2050, my country will become the world's largest energy-consuming country. According to the domestic demand forecast in the future, petrochemical energy resources will tend to be exhausted in 50 years. The country has put forward the goal of energy saving and emission reduction. The present invention is mainly aimed at refined oil storage tanks, propylene storage spherical tanks, heating furnaces, etc. in oil refining enterprises. The operation of these equipments consumes a large amount of electricity, water, and coal. , the surface temperature of the tank will rise above the ambient temperature. When silver powder paint is applied, the temperature of the tank wall often reaches above 60°C, which wi...
Claims
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IPC IPC(8): C04B33/13C09D133/04C09D125/14C09D7/12C09D5/33C09D5/02
Inventor 潜伟清
Owner PINGXIANG TONG YU SPECIAL PAINT
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