6 results about "Sodium zirconate" patented technology

The invention discloses a novel antibacterial environment-friendly ceramic and a preparation method thereof, and belongs to the technical field of ceramics, the method comprises the following steps: dissolving aluminum chloride, barium nitrate and ferric nitrate in a solvent, and stirring and mixing to prepare a first mixed solution; adding kaolin and carbon powder into the first mixed solution, and stirring and mixing to obtain a second mixed solution; boron, carbon, aluminum, boron oxide, zirconium dioxide and barium carbonate are dispersed in a dispersing agent to be mixed to prepare a third mixed solution; boron oxide, aluminum hydroxide, titanium boride, zirconium, silicon, sodium zirconate, sodium carbonate, calcium tungstate and zirconium dioxide are added into the second mixed solution to be stirred and mixed, and mixed slurry is prepared; the mixed slurry is used for preparing a blank body, the blank body is placed in a sintering furnace to be sintered in different temperature stages and sintering environments, and the prepared ceramic has high strength, is not prone to cracks in the environment where the temperature changes rapidly and is good in corrosion resistance.

The utility model discloses a tunnel kiln for producing sodium zirconate, which solves the problems of intermittent production, low automation degree, high labor intensity and the like of a kiln in the prior art, and is characterized in that a liquid caustic soda feeding device is arranged in a preheating zone, and smoke exhaust ports are arranged at the lower parts of kiln walls on two sides. The heating zone is provided with a kiln bottom straight flame burner, the kiln top of the high-temperature zone is provided with a zircon sand feeding device, the kiln walls on the two sides are provided with side wall straight flame burners and observation holes, and the heating zone and the kiln top of the high-temperature zone are provided with reaction gas waste discharge pipelines. Cooling devices are arranged on the kiln walls on the two sides of the cooling zone and used for cooling the charging bucket and the sodium zirconate product contained in the charging bucket. A kiln car track is arranged on the upper portion of the kiln wall, wheels arranged at the bottom of the kiln car are placed on the kiln car track, and the charging bucket is hung in a round hole formed in the middle of a kiln car frame. The device has the advantages of yield increase, energy consumption reduction, automatic control, convenience in loading and unloading, no pollution discharge, low labor intensity and the like, and can be widely applied to industries needing liquid calcination and heating.

The invention provides a preparation method of a sodium zirconate doped material and application of the sodium zirconate doped material in thermochemical energy storage, and relates to the technical field of energy storage material preparation. The sodium zirconate doped material is prepared through solid-phase reaction of Na2ZrO3, Fe2O3 and / or K2CO3, the doping amount of Fe and K in Na2ZrO3 can be regulated and controlled by regulating and controlling the adding amount of all the raw materials, the light absorption and CO2 adsorption performance of the Na2ZrO3-based heat carrier can be enhanced under the specific doping amount, the sodium zirconate doped material is endowed with excellent circulating energy storage capacity, sunlight absorption capacity and high CO2 capture efficiency, and the sodium zirconate doped material has the advantages of being simple in preparation method, low in cost and high in application value. Experiments show that when the doping amount of Fe is 10%, the doping amount of Fe is 10% and the doping amount of K is 3%, the prepared doped material shows excellent cyclic energy storage performance.

The application discloses a high-voltage lithium cobaltate composite material and a preparation method thereof, and the preparation method comprises the following steps: uniformly mixing tricobalt tetroxide, sodium carbonate and nano zirconium dioxide to obtain mixed raw materials; after sintering and crushing, the mixed raw materials are used to obtain tricobalt tetroxide powder coated with sodium zirconate; the tricobalt tetroxide powder coated with sodium zirconate is uniformly mixed with lithium carbonate, and then calcination is carried out; air is introduced during the calcination; and after the calcination is completed, the obtained material is crushed to obtain the target product. According to the application, the zirconium dioxide is reacted with the sodium carbonate to form a sodium zirconate coating layer on the surface of the tricobalt tetroxide, the sodium zirconate can absorb carbon dioxide, the contact between the material and oxygen in the reaction is indirectly improved, so that the oxygen is not needed to be additionally introduced, and the production cost of the material is reduced; meanwhile, the doping of the sodium zirconate can improve the cycle performance and the rate performance of the material, and the lithium cobaltate composite material with stable performance in a high-voltage environment is prepared.

The invention discloses a circulating hydrogen production and light condensation heat storage integrated method and system based on multifunctional catalysis-adsorbent sodium zirconate, and relates to the technical field of charcoal gasification circulating hydrogen production and light condensation heat storage. The method comprises the following steps: introducing Na2ZrO3, charcoal and water vapor into a hydrogen production reactor; reacting to generate a zirconium oxide-sodium carbonate compound, and recovering hydrogen by condensing water vapor; the method comprises the following steps: introducing a zirconium oxide-sodium carbonate compound into a heat storage reactor, providing energy by utilizing concentrated solar energy in a carrier gas atmosphere, and simultaneously realizing separation of CO2 and regeneration of Na2ZrO3 through a carrier gas separation device; and circularly introducing the regenerated Na2ZrO3 into the hydrogen production reactor, and repeating the steps to complete continuous hydrogen production and heat storage circulation. According to the method, the catalysis-adsorption hydrogen production performance and the heat storage performance of Na2ZrO3 are ingeniously coupled, an efficient circulating system is constructed, high-valued utilization of biochar resources and efficient conversion and storage of concentrated solar energy are achieved, and the method has remarkable resource utilization value and environmental protection significance.

The invention discloses an antibacterial and environmentally friendly ceramic and a preparation method thereof, belonging to the technical field of ceramics. The method comprises: dissolving aluminum chloride, barium nitrate and ferric nitrate in a solvent and stirring and mixing them to prepare a first mixed liquid; adding kaolin and carbon powder to the first mixed liquid and stirring and mixing them to obtain a second mixed liquid; dispersing boron, carbon, aluminum, boron oxide, zirconium dioxide and barium carbonate in a dispersant and mixing them to prepare a third mixed liquid; adding boron oxide, aluminum hydroxide, titanium boride, zirconium, silicon, sodium zirconate, sodium carbonate, calcium tungstate and zirconium dioxide to the second mixed liquid and stirring and mixing them to prepare a mixed slurry; using the mixed slurry to prepare an embryo body, placing the embryo body in a sintering furnace and performing sintering treatment at different temperature stages and sintering environments. The prepared ceramic has high strength, is not prone to cracking in an environment with rapid temperature changes, and has good corrosion resistance.