12 results about "Fluorite" patented technology

The invention provides a method for producing a transparent clinker capable of being compounded with a colored glaze ceramic blank and relates to the technical field of building materials. The method comprises the following steps: taking quartz, potash feldspar, soda feldspar, calcite, soapstone, dolomite, barium carbonate, sodium carbonate, potassium carbonate, sodium borate and boracic acid, which are all 80-700kg and less than 100 meshes, and taking 100kg sodium chloride, sodium sulfate or fluorite, which is less than 100 meshes, as a clarifying agent; uniformly mixing the raw materials of the clinker, and then placing into a glass tank furnace for melting at 1520-1600 DEG C; and performing water-quenching, drying, crushing and screening on the melt material, thereby obtaining 20-200 mesh transparent clinker dry grains containing 50-70% of SiO2, 5-20% of Al2O3, 0-10% of CaO, 0-10% of MgO, 2-8% of K2O+Na2O, 0-8% of BaO, 0-8% of B2O3, 1-10% of clarifying agent and less than 0.5% of water. The method is used for producing the clinker; materials are selected within a preset component scope of the products; and the technology is standardized.

The invention discloses a double-alkali neutralization treatment method of heavy metal-containing acidic wastewater. According to the double-alkali neutralization treatment method, sodium hydroxide is mainly used for adjusting a pH value so that metal ions in acidic wastewater form precipitates, the precipitates are recovered, the recovered metal sludge is treated and then can be used as metal oxides for next use, through lime use, fluorine ions in the wastewater form precipitates, and the precipitates do not contain heavy metals and can be treated by a common sludge treatment method. The sludge treated by the double-alkali neutralization treatment method is not used as dangerous waste or can be used as a fluorite-like accessory material, and the rest of the wastewater satisfies discharge standards by slight treatment.

A composite desulfurizing agent for iron and steel is prepared from calcium carbonate (10-45 wt.%), fluorspar (2-10 wt.%), lime (10-45 wt.%), carbon-bearing substance (0-10 wt.%) and assistant through low-temp sintering and mixing. Its advantages are high desulfurizing speed and effect and low cost.

The invention relates to a traditional Chinese medicine composition for treating infertility. The traditional Chinese medicine composition is characterized in that the traditional Chinese medicine composition is prepared from the following pharmaceutical raw materials in parts by weight: 10-20 parts of rhizoma curculiginis, 15-25 parts of fluorite, 6-12 parts of moor besom, 10-15 parts of rhizoma acori graminei and 6-12 parts of fructus cnidii. The invention also provides application of the traditional Chinese medicine composition to preparation of medicine for treating infertility. The traditional Chinese medicine composition disclosed by the invention is few in number of herbal medicine and rich in raw materials, the preparation technology is simple and environmentally friendly, and the traditional Chinese medicine composition has good application prospect in the treatment of sterility of ovulation disturbance. The composition and proportioning are screened and obtained through a plurality of experiments, different raw materials and proportioning thereof have obvious synergistic effect, and the composition has the advantage of good curative effect.

The invention discloses a high-efficiency floatation method for beryllium ore. In the high-efficiency floatation method, a process flow of reverse beryllium floatation-direct beryllium floatation-re-reverse beryllium floatation is adopted to conduct mineral processing on the beryllium ore containing fluorite; firstly, the reverse beryllium floatation is used for floatation of gangue with better floatability to remove most of harmful element F and major impurity mineral (calcite) to improve the feeding quality of the direct beryllium floatation; secondly, the direct beryllium floatation is used for floatation of beryllium mineral to allow the beryllium mineral to be separated from the gangue difficult to float; and at last, the re-reverse beryllium floatation is used to remove little gangue from rough beryllium concentrate and ensure that F content in the beryllium concentrate meet the requirement of industrial production. The process flow of the floatation method fully conforms to the characteristic of floatability of various minerals; a flow structure and a reagent system are simple; the adaptability to water temperature and water quality is high; the production operation is easy to control; the index of mineral processing is good; and the resource utilization rate is high.

The invention discloses a low-aluminum and low-silicon welding wire steel low-sulfur-control smelting method. After an electric furnace steelmaking is completed, alloying is carried out, the tapping quantity is controlled during the electric furnace tapping, and the electric furnace retains steel; stirring is carried out after tapping, and slags are poured out after stirring; the slags are placedin a refining furnace, after active lime and fluorite are added in batches, power supply slugging refining is carried out, after refining is carried out, active lime and fluorite are re-added, a deoxidizing slag-forming agent is added for diffusion deoxidation, metal manganese is added for supplementary for adjusting manganese content after sampling and analysis are carried out, after the power supply heating is carried out, the deoxidizing slag-forming agent is used to continue to diffuse and deoxidize to maintain white slag, when the temperature reaches 1615-1630 DEG C, sampling and analysisare carried out, when the mass percentage content of aluminum is small than or equal to 0.010%, the mass percentage content of silicon is small than or equal to 0.05, the mass percentage content of sulfur is small than or equal to 0.003%, and the manganese content is qualified, pure calcium rod cored wires are fed, and after the calcium is fed, static stirring is carried out for more than or equal to 15min; and after the temperature reaches 1595-1610 DEG C, continuous pouring is carried out, and thus low-aluminum and low-silicon welding wire steel is obtained.

The invention relates to alkali-free glass fiber yarn, which is prepared from the following raw materials in percentage by weight: 20 to 40 percent of pyrophyllite, 15 to 23 percent of borocalcite, 7to 13 percent of limestone, 2 to 5 percent of feldspar, 4 to 8 percent of kaolinite, 3 to 7 percent of dickite, 2 to 6 percent of fluorite, 3 to 9 percent of borax, 1 to 3 percent of fluorite, 1 to 4percent of mirabilite, 0.2 to 1.0 percent of pure alkali, 3 to 12 percent of aluminum oxide, 2 to 6 percent of waste glass fiber yarn and 0.3 to 0.7 percent of a composite clarifying agent. The alkali-free glass fiber yarn disclosed by the invention has the characteristics of high acid-alkali resistance, high mechanical strength, high rigidity, aging resistance, high electric insulation property and high stability.

The invention discloses a method for recovering powdery calcium fluoride products from calcium fluoride sludge resources, which aims to solve the problem that calcium fluoride sludge cannot be reasonably and effectively utilized. According to the technical scheme, the method is characterized by comprising the following steps of (1) collecting and storing calcium fluoride wet sludge, (2) performing steam drying to obtain granular calcium fluoride, (3) carrying out micronization by flash evaporation equipment to obtain powdery calcium fluoride, and (4) collecting and storing the powdery calcium fluoride product. According to the method, the calcium fluoride wet sludge is dried to form granular calcium fluoride, the moisture content of the granular calcium fluoride is reduced to 1-3% through the flash evaporation equipment, the granular calcium fluoride is micronized to obtain powdery calcium fluoride, the effective content of the calcium fluoride can reach 70-90%, the use standard of fluorite mineral powder is met, and the calcium fluoride can be used for replacing the fluorite mineral powder.

The invention discloses a cyclic granulation method of a KR desulfurizing agent. The cyclic granulation method of the KR desulfurizing agent comprises the following steps that firstly, powder particlelime and fluorite are mixed according to a mixture ratio; then, granulation is performed after rolling pressing; next, sieving is performed; and the KR desulfurizing agent is obtained. By the cyclicgranulation provided by the invention, more than 99.5 percent of the KR desulfurizing agent can be produced into qualified products conforming to the granularity requirements, so that the utilizationrate is improved; and the consumption is reduced.