6results about How to "Fully dissociated" patented technology

The invention relates to the technical field of batteries, in particular to a wide-temperature-range high-rate lithium battery ester-based electrolyte and application. The electrolyte comprises soluble lithium salt and a liquid component, the liquid component is a solvent; the solvent comprises at least three of propylene carbonate, fluoroethylene carbonate, isopropyl trifluoroacetate, ethyl trifluoroacetate, ethyl acetate, methyl acetate and methyl trifluoroacetate; the lithium salt lithium battery comprises at least two of common lithium salts. The electrolyte developed by the invention is used in the lithium battery and can stably work at 40-60 DEG C, the specific discharge capacity of the battery is still 62.83% of the specific discharge capacity of the battery at room temperature even at 30 DEG C and 4C multiplying power, and the electrolyte has excellent wide-temperature fast charge performance. In addition, the electrolyte effectively inhibits the growth of lithium dendrites and the side reaction of an electrode-electrolyte interface at low temperature, and promotes the formation of a solid interface film which is rich in inorganic matters and low in interface impedance. The invention has the advantages of reasonable component design and excellent product performance, and is convenient for industrial application.

The invention provides a method for detecting large particles in fine talcum powder, and belongs to the technical field of talcum powder particle size detection.The detection method comprises the following steps that talcum powder is added into an ethanol solution and stirred, and a mixed solution is obtained; a dissociation agent is added into the mixed solution, the dissociation agent is a mixture of a low-foam penetrant, sodium bicarbonate and a synergistic aid, the mixture is heated to 40-45 DEG C and stirred, then the mixture is heated to 60-70 DEG C and stirred, and dispersion liquid is obtained; and preparing a to-be-tested sample from the dispersion liquid, and detecting and analyzing the content of large particles. The detection method provided by the invention focuses on the difficult problem of accurate detection of large particles in the fine talcum powder, can effectively improve the dispersion performance of the talcum powder, and avoids the misjudgment of aggregates on the content of large particles, thereby efficiently and accurately detecting the content of large particles in the fine talcum powder.

This application provides a method for upgrading bauxite after grinding with mother liquor, belonging to the field of mineral processing. The method includes: grinding a mixed slurry of bauxite to be upgraded and circulating mother liquor to obtain an alkaline slurry with fully liberated aluminum and gangue minerals; using the circulating mother liquor as both a separation and auxiliary medium throughout the process, performing mineral processing and upgrading on the alkaline slurry to separate iron and silicon impurities in the circulating mother liquor medium, obtaining a concentrate slurry and a tailings slurry; sending the concentrate slurry to an alumina leaching process; and separating the tailings slurry to obtain circulating mother liquor and tailings byproducts. This application, through systematic process reengineering and closed-loop media design, successfully develops a bauxite pretreatment method that can be deeply coupled and seamlessly integrated with the Bayer process main process, avoiding interference from external media, and achieving efficient impurity removal under fully liberated mineral conditions.

The invention discloses a machine-column combined copper-nickel rough concentrate regrinding and sorting method for copper-nickel sulfide ore. The method comprises the following steps that S1, first-stage ore grinding is conducted, specifically, raw ore is subjected to first-stage ore grinding and grading; s2, first-stage roughing, wherein water is added into a raw ore product obtained after first-stage grinding and grading in a stirring tank for size mixing; s3, rough concentrate regrinding is conducted, specifically, concentrate obtained after first-stage roughing is conveyed to a regrinding ball mill grading cyclone to be graded; s4, finely selecting the first four tanks in one section once; s5, performing one-section and one-time fine selection for six grooves; s6, first-stage secondary fine selection; s7, one-stage and one-time fine scavenging; s8, second-stage ore grinding; s9, second-stage roughing is conducted; s10, first four tanks are finely selected for the first time in the second section; s11, carrying out second-section primary fine selection on the rear 6 tanks; s12, carrying out second-stage secondary fine selection; s13, second-stage primary fine scavenging is carried out; s14, second-section primary flotation column fine selection is carried out; s15, two-stage primary scavenging is carried out; s16, second-stage secondary scavenging is carried out; and S17, second-section secondary flotation column fine selection is carried out.

The invention discloses a waste lithium battery recycling and sorting system based on resource cyclic utilization, and relates to the technical field of waste lithium battery recycling, the waste lithium battery recycling and sorting system comprises a base frame, and the top surface of the base frame is provided with an operation unit capable of conducting preliminary sorting after waste batteries are decomposed; the output end of the operation unit is provided with a flotation unit capable of re-sorting the preliminarily sorted materials, and the operation unit comprises a base fixedly mounted on the top surface of the base frame, a material conveying barrel arranged on the top surface of the base and used for separating magnetic materials and non-magnetic materials, and a liquid separation bin arranged at the input end of the material conveying barrel and used for collecting electrolyte; a waste battery to be disassembled is placed on the chain plate type conveying mechanism of the conveying belt bin, the conveying belt bin directionally conveys the battery to the position above the crushing rollers, the battery naturally falls to the top faces of the two sets of crushing rollers which are meshed with each other, and extrusion and shearing composite crushing is achieved through opposite-direction rotation of the crushing rollers; and sufficient dissociation of the waste battery shell and internal components such as metal, electrode materials and diaphragms is ensured.

The application discloses a kind of lead-zinc ore beneficiation method and system in polymetallic ore, it is related to the technical field of beneficiation, including the following steps: S1, crushing;S2, grinding;S3, lead flotation: the ore pulp after grinding is sent to lead flotation tank, flotation reagent includes 25# black medicine, butyl xanthate, foaming agent and zinc inhibitor, using 1 rough 2 sweep 3 precise flotation, and output lead concentrate and lead tailings;S4, zinc flotation: lead tailings are sent to zinc flotation tank, and flotation reagent includes copper sulfate, butyl xanthate and foaming agent, using 1 rough 2 sweep 3 precise flotation, and output zinc concentrate and zinc tailings;S5, tailings, wastewater treatment: the fluorite tailings produced by flotation are subjected to solid-liquid separation, and the liquid phase is sent to a sewage treatment station for treatment, and the treated water is recycled to the beneficiation section;Solid phase is sent to mine for filling treatment or used as building material, solve the problem that there is no efficient, environmentally friendly, economic lead-zinc ore comprehensive recovery beneficiation process suitable for the ore properties in Sichuan Mabian area in the prior art.