50results about How to "Promote leaching" patented technology

The invention relates to a eutectic microcapsule wrapping technology and application thereof in cosmetics, and belongs to the technical field of cosmetic production. The wall material of the eutectic microcapsule inclusion comprises at least one of hydrogenated lecithin, caprylic / capric triglyceride, sucrose stearate, PEG-8 caprylic / capric glycerides, PEG-40 hydrogenated castor oil, soya bean lecithin, cyclodextrin, ethyl palmitate and troxerutin. The core material is prepared from at least one of salicylic acid, 4-butylresorcinol, glabridin, a kava extract, cortex magnoliae officinalis total phenols, ginseng oil, ganoderma lucidum spore oil, astaxanthin, coenzyme Q-10, a rosemary extract, ceramide and vitamin E. According to the invention, multiple eutectic coating can be formed, the consumption of the wall material can be reduced, the cost is saved, the wall material and the core material are matched for use, so that the excellent effects of permeation, oxidation resistance, soothing, allergy resistance and skin repair can be achieved, and the utilization rate of active substances is increased.

The invention belongs to the technical field of conveying equipment, and particularly relates to safety auxiliary coal conveying equipment for coal mine transportation. Comprising a rack, and a crushing assembly and a smoothing assembly are arranged at the upper end of the rack; the crushing assembly comprises a connecting cylinder, a screen, a guide table, a crushing table and the like, the connecting cylinder and the screen shovel up coal briquettes on the conveying belt, large coal briquettes are screened out, the large coal briquettes are conveyed to the crushing table to be crushed through the guide table, and the crushed coal briquettes fall onto the conveying belt; the smoothing assembly comprises smoothing rollers capable of rotating and revolving, and coal briquettes accumulated on the two sides are pushed into the middle of the conveying belt through the smoothing rollers. And the coal briquettes conveyed by the conveying belt are uniform and are not easy to fall off from the conveying belt, so that the safety and the conveying efficiency of the coal briquettes during conveying are improved.

The invention relates to the technical field of saline-alkali soil improvement, and discloses a saline-alkali soil improvement system and method for combined control of agriculture, forestry, animal husbandry, planting, breeding and breeding, and the saline-alkali soil improvement system for combined control of agriculture, forestry, animal husbandry, planting and breeding comprises a first planting area; a drip irrigation assembly; a water seepage assembly; the drainage channel is arranged below the surface of the saline-alkali soil corresponding to the first planting area; and a first flow guide member. According to the method, salt-tolerant plants are planted in the saline-alkali soil, so that the infiltration capacity of water in the soil can be improved, and absorption and leaching of salt in the soil are promoted; the drip irrigation assembly is adopted to irrigate the salt-tolerant plants, and water molecule movement can bring salt in soil to the deep position of the soil, so that the salt return phenomenon caused by the capillary action of water molecules is avoided; by arranging the water seepage assembly, the movement speed and the conveying effect of saline-alkali water in soil conveyed to the drainage channel can be increased, and infiltration and collection of the saline-alkali water are accelerated; by arranging the drainage channel, saline-alkaline water in the soil can be absorbed and discharged.

The invention provides a method for deeply extracting vanadium from vanadium-containing steel slag, which comprises the following steps: mixing the vanadium-containing steel slag and an oxygen-containing microbubble ammonium bicarbonate solution, and carrying out mechanochemical ball milling activation to carry out leaching reaction to obtain a vanadium extracting solution. According to the method, advanced oxidation is cooperated with mechanochemical ball milling to activate and strengthen deep extraction of vanadium in the vanadium-containing steel slag, wrapping of substances such as calcium silicate and calcium titanium oxide on a vanadium-containing solid solution phase is destroyed through mechanical activation, and O2 microbubbles in an ammonium bicarbonate medium are promoted to generate active oxygen under excitation of mechanical activation energy; exposure reaction and deep oxidation extraction of a vanadium-containing phase under mild conditions are achieved, the content of V2O5 in tailings after vanadium extraction is smaller than or equal to 0.5%, and the vanadium extraction rate is 83% or above.

The invention belongs to the field of waste battery positive electrode recovery, and particularly relates to a combined leaching agent which comprises a formula 1 # imgabs 0 # component and a formula 2 # imgabs 1 # catalyst. The invention also comprises application of the combined leaching agent in recovery of the positive electrode material of the waste battery. The combined leaching agent disclosed by the invention can synergistically improve the leaching effect and selectivity, and is beneficial to improving the electrochemical performance of a regenerated material of a leaching solution.

The invention relates to the technical field of electrocatalytic oxidation and water treatment, in particular to a preparation method and application of an electric anode film capable of efficiently breaking and degrading a metal organic complex. The titanium dioxide nanotube array with ordered height grows on the porous foam titanium substrate in situ, so that the specific surface area is increased, and the service life is prolonged; by doping Ti < 3 + >, the defect that a traditional titanium dioxide nano array tube is poor in conductivity is overcome; meanwhile, lead dioxide is loaded to improve oxygen evolution reaction (OER) potential, OH is efficiently generated, and pollutants are thoroughly mineralized; ferric oxide is further introduced as an active doping agent, so that the leaching of Pb < 2 + > can be improved. Continuous flow stable operation is realized by virtue of a porous film-shaped structure of a porous titanium substrate, the contact oxidation efficiency of pollutants on an anode film interface is increased, and the problem of limited mass transfer of the pollutants is solved; the electric anode film can realize complex breaking and degrading effects on a metal organic complex.

The present invention relates to the technical field of preparation of barium hydroxide, and specifically to a process for preparing barium hydroxide octahydrate, comprising the following steps: (1) crushing a raw material of witherite, uniformly mixing the crushed witherite with coal powder, charcoal and silicon dioxide, calcining and keeping warm to obtain crude barium oxide; (2) dispersing the crude barium oxide in water, filtering and washing the residue with deionized water, desulfurizing the obtained filtrate with a desulfurizer, filtering and washing to obtain a barium hydroxide solution, and concentrating, cooling, crystallizing, centrifuging and drying to obtain the barium hydroxide solution. The purpose of the present invention is to provide a process for preparing barium hydroxide octahydrate, aiming to improve the total leaching rate of barium and the purity of the product.

The invention relates to a method for recovering lithium and cobalt in a waste lithium battery positive electrode material by using a deep eutectic solvent, and belongs to the technical field of battery recovery. According to the method, the waste particles are stirred in the eutectic solvent solution and are stirred at a proper constant temperature, so that the steps of leaching lithium and cobalt, drying, adding urea, grinding, roasting and the like are promoted, and lithium and cobalt solid products with relatively high purity can be further extracted from the leachate; the dispersing agent is modified, and graphene oxide, nano silicon dioxide, chitosan and other components in the dispersing agent form a multi-layer structure on the surfaces of positive electrode material particles, so that multiple effects of dispersion, filling, adhesion, protection and the like can be comprehensively exerted, and the dispersity and stability of the positive electrode material in a eutectic solvent solution are remarkably improved; leaching of lithium and cobalt is promoted, and the purity of a final product is improved.

The invention discloses a method for recovering scandium and titanium from Bayer process red mud. The method comprises the following steps: (1) drying the red mud; (2) mixing the dried red mud and phosphoric acid, performing acid leaching reaction, and then filtering and drying to obtain pretreated red mud; (3) carrying out acid leaching on the pretreated red mud by adopting a phosphoric acid-hydrogen peroxide system, and carrying out solid-liquid separation to obtain red mud leachate containing scandium and titanium and iron-rich leaching residues; (4) mixing the red mud lixivium containing scandium and titanium with a P204 extracting agent, stirring, oscillating and carrying out oil-water separation to obtain a scandium-loaded organic phase and a titanium-containing lixivium, and carrying out acid pickling on the organic phase for multiple times; and (5) adding ammonia water into the titanium leachate to adjust the pH value, heating and stirring, standing and precipitating to obtain amorphous titanium phosphate, and carrying out acid pickling after solid-liquid separation. According to the method, scandium and titanium in the red mud are separated and recycled in a two-stage acid leaching-extraction-precipitation combined mode. The selectivity of scandium and titanium is improved. And technical support is provided for recovery of scandium and titanium and comprehensive utilization of red mud.

This invention discloses a method for preparing a heavy metal ion adsorbent, the heavy metal ion adsorbent itself, and its applications. The preparation method includes the following steps: obtaining a mixture of steel slag and red mud; adding water to the mixture obtained in the above step and wet-milling it using a ball mill to obtain slurry 1; introducing CO2 gas into slurry 1 under stirring conditions to carbonize the modified porous framework particles in slurry 1 to obtain slurry 2; and filtering slurry 2 to obtain a solid, washing the solid until the pH is neutral, and drying it to obtain the heavy metal ion adsorbent. This invention uses two industrial solid wastes, steel slag and red mud, as reaction raw materials, resulting in low cost. It prepares a porous adsorbent material loaded with nano-calcium carbonate at room temperature, exhibiting high adsorption efficiency, and realizing high-value utilization of steel slag and red mud for wastewater treatment.

The present invention provides a leaching method for sulfide minerals, which comprises: grinding the sulfide minerals for a second time, adding concentrated sulfuric acid during the second grinding for pre-activation, and obtaining a second-grinded material; adding the second-grinded material into a sulfuric acid solution for normal pressure leaching to obtain a normal pressure leaching slurry; wherein, at least one of stirring, introducing oxygen, and maintaining the normal pressure leaching temperature is performed during the normal pressure leaching process; filtering the normal pressure leaching slurry to obtain normal pressure leaching slag and normal pressure leaching liquid; slurrying the normal pressure leaching slag with sulfuric acid solution, and then performing pressure leaching, and performing at least one of introducing oxygen, adjusting the air pressure, and adjusting the initial temperature of the pressure leaching during the pressure leaching process, filtering after the reaction is complete, and obtaining a pressure leaching liquid and a pressure leaching slag. The method can improve the leaching rate of the target metal in the normal pressure leaching stage, reduce the processing amount of sulfide minerals in the pressure leaching stage, and reduce energy consumption, cost, and safety hazards.

The invention discloses a saline-alkali soil improvement method based on a low-salt organic material. The method comprises six steps of saline-alkali soil detection, organic material selection, organic material pretreatment, organic material application, soil irrigation and soil pH value adjustment. According to the steps of organic material pretreatment and organic material application, it is ensured that the saline-alkali soil fertilization improvement effect is good, the method has the advantage of being good in improvement effect, and the problems that in the using process of an existing saline-alkali soil improvement method, in the using process, low-salt organic materials are inconvenient to efficiently improve the saline-alkali soil, and the soil quality is poor are solved. The problems that if low-salt organic materials cannot be fully utilized, the soil improvement effect may not be obvious, soil salinity cannot be effectively reduced, the soil structure cannot be effectively improved, supplement of the organic materials is lacked, the organic matter content of the soil is difficult to increase, and the fertility and the water and fertilizer retention capacity of the soil are affected are solved.

The invention belongs to a carbon dioxide storage and goaf coal spontaneous combustion prevention and control technology, and particularly relates to a coal spontaneous combustion prevention and control system through coal ash mineralization CO2 and products and an application method of the coal spontaneous combustion prevention and control system. The system comprises a slurry preparation unit, a flue gas pretreatment unit, a mineralization reaction unit and a slurry filling unit; fly ash treatment, CO2 capture and mineralization and mine grouting fire prevention and extinguishing are combined, alkaline earth metal ions in fly ash are promoted to be leached through a pulping stirring tank, CO2 in reaction flue gas is mineralized through calcium and magnesium ions in slurry, CO2 dissolution is promoted through pressurization, an impeller is arranged in a reactor, gas spirally ascends in the ascending process, and the gas is recycled. According to the method, the coal ash slurry serves as a gas inlet, the stroke of the gas in the slurry is increased, the retention time is prolonged, gas, liquid and solid mixing is promoted, meanwhile, the additive is combined to improve the mineralization reaction efficiency, continuous CO2 mineralization of the large-flow coal ash slurry is finally achieved, a product is injected into an underground goaf to be used for preventing and controlling coal spontaneous combustion, and then the multiple effects of coal ash solid waste treatment, CO2 emission reduction and disaster prevention and control are achieved.

The present application relates to the technical field of health, environmental management and resource development, and discloses an alkaline-sulfur oxidizing bacteria and its application in water pollution treatment and bioleaching. The alkaline-sulfur oxidizing bacteria is named 381-2, which has been preserved in the China General Microbiological Culture Collection Center on December 23, 2024, and the preservation number is CGMCC No. 33017; the microbial classification name is Stutzerimonas sp. The present application isolates a new species of Stizolobium strain from a deep-sea hydrothermal area Stutzerimonas sp. . The strain has strong and rapid oxidation ability of thiosulfate ions, and also has the characteristics of producing alkali, so it can be applied to the fields of water pollution treatment and bioleaching.

The invention belongs to the technical field of metal separation, and particularly relates to a deep eutectic solvent, a preparation method and application thereof, and a method for selectively extracting lithium from a lithium battery positive electrode material. According to the deep eutectic solvent provided by the invention, nearly 100% selective leaching of lithium is realized in an extremely short time, and Ni, Co and Mn are almost not leached, so that the bottleneck that the rate and the selectivity are difficult to obtain at the same time in a traditional method is broken through; and the process conditions are mild and efficient, are far superior to the traditional process and are more suitable for practical industrial application, and the energy consumption and material consumption are remarkably reduced.

The utility model relates to food processing technical field discloses a kind of all-around cleaning equipment of chicken claw containing rotary shower head, including cleaning bucket, the side of cleaning bucket is connected with drain pipe, the one end of drain pipe is connected with water-blocking cover, the lower surface of cleaning bucket is fixedly connected with water tank, the side of water tank is connected with inlet pipe, the one end of inlet pipe is connected with blocking cover, the other side of water tank is connected with conveying pipe, the one end of conveying pipe is connected with water pump, the output of water pump is connected with folding pipe.The utility model is gently stirred chicken claw in filter frame under the support of skeleton by the rotating silica gel stirring frame, and the chicken claw in flowing is washed by multi-angle spraying with the synchronous rotation of spray pipe and shower nozzle, and the filter structure of filter frame and filter plate is convenient for all-around cleaning and maintains water flow cleanliness;And filter plate drives chicken claw to rise to the top of cleaning bucket, and it is convenient for discharge.

This invention discloses a method for preparing battery-grade nickel sulfate and iron phosphate using nickel pig iron and ferric phosphate slag as raw materials. The preparation process involves first mixing the ferric phosphate slag with cationic alkyl polyacrylamide to form a uniform mixture. This mixture is then added to dilute acid and stirred to disperse it. Nickel pig iron powder is added, and the mixture is filtered to obtain a leaching solution. The leaching solution is then subjected to nickel-iron separation using resin to obtain an iron-containing solution and a nickel-containing resin. The nickel-containing resin is desorbed to obtain a desorbed solution. A nickel-based pH adjuster is added to this desorbed solution, and the solution is filtered to obtain a nickel sulfate solution. After evaporation and concentration to precipitate crystals, the solution is dried and crushed to obtain battery-grade nickel sulfate. Hydrogen peroxide is added to the iron-containing solution to oxidize ferrous iron to ferric iron. A phosphorus source is added, the pH is adjusted, and the solution is reacted, filtered, and dried to obtain iron phosphate dihydrate. This is then calcined to obtain battery-grade iron phosphate. This invention uses nickel pig iron and ferrophosphate slag as raw materials, and utilizes the ferrophosphate slag to promote the full leaching of iron from nickel pig iron, and nickel pig iron to promote the leaching of phosphate and iron from ferrophosphate. With the addition of cationic alkyl polyacrylamide, it achieves high leaching rates of iron and nickel in a short time, and simultaneously achieves the separation of non-ferrous and nickel metal ions during the acid leaching process, so as to finally obtain high-purity, qualified battery-grade nickel sulfate and ferrophosphate.

The invention relates to a preparation method of seaweed oligosaccharide. According to the preparation method disclosed by the invention, the seaweed is firstly soaked in water and sodium chloride, so that the osmotic pressure of the seaweed is improved, subsequent leaching of contents is facilitated, and enzymolysis is performed after crushing and homogenizing treatment by a homogenizer, so that the enzymolysis efficiency is effectively improved, and the enzymolysis extraction efficiency is further improved; the whole preparation process is simplified, the activity of main components cannot be lost in the enzymolysis process, the prepared seaweed oligosaccharide is high in purity and good in water solubility, has good adsorbability and water holding capacity, contains a small amount of cytex chitosan oligosaccharide, amino acid, trace elements and small molecule peptide which are beneficial components, can be applied to the fields of agricultural fertilizer, feed and the like, and has a wide application prospect. The application is wide.

The invention discloses a pure physical separation method for all components of a waste lithium ion battery, which comprises the following steps: mechanically crushing the waste lithium ion battery into a large-size crushed material, removing a diaphragm by winnowing, and removing an iron shell by magnetic separation to obtain a positive and negative electrode mixture; the positive and negative electrode mixture is subjected to water phase stripping of negative electrode powder and primary color sorting separation of copper foil to obtain a positive electrode plate; the positive pole piece is sequentially subjected to rolling pyrolysis, low-speed jet milling and secondary color sorting separation, and then high-purity positive pole powder and aluminum foil are obtained. The positive electrode powder obtained through the method is high in purity, and all the components can be recycled through step-by-step removal.

The utility model relates to the technical field of cell exosomes, in particular to a casing pipe filtering device for separating and purifying cell exosomes at normal temperature, which comprises a pipe body and a pipe cap, a filtering structure is arranged on the inner wall of the pipe body, the filtering structure comprises a circular ring, the circular ring is in sliding connection with the inner wall of the pipe body, one side of the circular ring is communicated with a filtering pipe, and the other side of the circular ring is communicated with the pipe cap. One end of the filter pipe is fixedly connected with a plurality of pieces of filter paper, the arc surface of the circular ring is fixedly connected with a plurality of sealing rings, the sealing rings are rubber rings, the sealing rings are of hollow structures, the inner wall of the filter pipe is fixedly connected with convex blocks, the convex blocks are arc-shaped blocks, and the side, away from the filter pipe, of the circular ring is fixedly connected with two handles. A plurality of anti-skid grooves are formed in the surface of the handle, one end of the filter tube is conical, and the filter paper is fixedly connected to the conical surface. According to the utility model, the problem that the loss of more samples is possibly caused by the use of whole piece type filter paper in the existing sleeve is solved.

The invention discloses a method for extracting tellurium from copper tailings, and belongs to the technical field of metallurgical chemical industry. The method comprises the following steps: dissolving the copper tailings in an alkaline solution, adding sodium peroxide, then carrying out pressure leaching under oxygen pressure, and filtering and separating to obtain a leaching solution and leaching residues; and adding a reducing agent into the leachate for reduction, and filtering and separating to obtain tellurium-enriched slag and filtrate. According to the particularity of the copper tailings, sodium peroxide is used for pressurized alkaline leaching, tellurium leaching can be promoted, and then high recovery of tellurium is achieved in cooperation with a directional reduction process. The method for extracting tellurium from copper tailings has the advantages of being short in technological process, high in recovery rate, high in economic value and the like, and waste of secondary resources can be reduced.

The application discloses a kind of curcuma zedoary and processing technology, it is related to the technical field of traditional Chinese medicine, take raw turmeric piece, join plant impregnation, mix evenly, dampen, take out, fry, cool, and is prepared;The impregnation includes ginger juice;The addition amount of the plant impregnation is 10-15% of the mass of raw turmeric piece;The frying temperature is 160-180 DEG C, and the frying time is 10-15 min.The application is dampened by ginger juice and turmeric, without affecting the active ingredient of raw turmeric, with the function of correcting taste, ginger preparation diffusion and ginger preparation into spleen, to enhance the effect of wetting and appetite, phlegm.

The invention provides a method for producing a high-yield clean aromatic-rich raw material, the clean aromatic-rich raw material and a system for producing the high-yield clean aromatic-rich raw material, in the method, atmospheric and vacuum distillate oil is added into catalytic slurry oil, so that not only can a dilution effect be achieved, but also a dissolution effect can be achieved, and after the catalytic slurry oil is dissolved, the high-yield clean aromatic-rich raw material is obtained. Solid particles adsorbed on aromatic-rich components, colloid and asphaltene in the catalytic slurry oil are dissolved and dispersed, filtering is easy, light components and concentrated aromatic-rich components can be removed through subsequent distillation of solid-removed slurry oil, and the finally obtained clean aromatic-rich raw material is low in solid content and high in aromatic hydrocarbon content by combining the steps of hydrofining and the like. The catalyst can be used as a raw material for producing mesophase pitch or petroleum coke or chemical products. The method for producing the high-yield clean aromatic-rich raw material provided by the invention has no limitation on solid particles and the content of the solid particles in the oil slurry, and also can be used for processing catalytic oil slurry of a high-solid and high-viscosity system.

The invention relates to the technical field of mineral separation processes, in particular to a slurry making process method suitable for comprehensive utilization of gold tailing pond resources, which comprises the following steps: crushing gold tailings containing stones, weeds, impurities and carbon particles; adding water into the crushed materials, and enabling the materials to flow into a strong scrubbing and stirring tank for stirring; wherein stones sink into the bottom of the tank to be cleaned regularly, ore pulp is made into slurry through the high-concentration stirring tank and then pumped to the double-layer linear vibrating screen, and weeds, sundries, pebbles and carbon particles are screened out; the screened and impurity-removed ore pulp enters a first-section hydrocyclone for first-section grading operation; according to the method disclosed by the invention, by adopting the slurry making process of crushing, strong scrubbing and two-section hydrocyclone classification, the gold resources piled in the tailings pond are comprehensively recycled, and the problem that the slurry making concentration is unstable due to the fact that the tailings gold resources are piled into clusters in winter and are difficult to treat is solved; and meanwhile, the structure is simple, the investment cost of the slurry making process is reduced, and subsequent leaching of alloyed gold is facilitated.

The invention relates to the technical field of copper smelting waste slag recovery and treatment, and specifically to a method for preparing sponge copper from copper smelting waste slag. The copper smelting waste slag is crushed and then ground to obtain copper smelting waste slag powder, the copper smelting waste slag powder is added into water and mixed to obtain slurry, a liquid culture medium, thiobacillus ferrooxidans bacterial liquid, alicyclobacillus bacterial liquid, acetylacetone and pentaerythritol are added into the slurry for leaching to obtain a leachate, the leachate is filtered, the filtrate is subjected to qualitative and quantitative element analysis, iron powder is added according to the analysis result, the obtained mixed liquid is subjected to hydrothermal reaction to displace copper, the obtained product is filtered again, washed with water, and then vacuum dried to obtain the sponge copper. The sponge copper prepared by the method of the invention has good morphology, high purity and high recovery rate.

The utility model relates to ultrasonic extraction equipment which comprises an extraction chamber and a collection chamber which are arranged in a cabinet body from top to bottom, the bearing assembly comprises an extraction barrel which is placed on the lifting assembly. The collecting pipe is fixedly arranged at the bottom of the extraction chamber in a penetrating manner; the material disc is fixedly arranged at the upper end part of the collecting pipe; the filtering piece is placed on the material disc; the intercepting disc is fixedly arranged in the extraction barrel, a plurality of groups of second leaking holes are formed in the intercepting disc, and a plurality of groups of second blocking blocks are arranged on the upper surface of the intercepting disc; the device can quickly separate waste residues from an extracting solution, facilitates collecting the extracting solution and cleaning the waste residues, is convenient to operate, saves manpower and material resources, greatly improves the extraction efficiency of materials, and solves the problems that after a traditional ultrasonic extractor extracts materials, the extracting solution and the waste residues need to be manually filtered out, time and labor are wasted, operation is troublesome, and the extraction efficiency is high. And the extraction efficiency of the material is reduced.

The invention relates to the technical field of ultrasonic leaching, in particular to an ultrasonic-assisted leaching device and method based on production type metal organic source chemical vapor deposition equipment, and the ultrasonic-assisted leaching device comprises a plurality of substrates of the chemical vapor deposition equipment, a leaching barrel for placing the substrates and an ultrasonic generator for emitting ultrasonic waves, a fixing assembly used for fixing a substrate is arranged in the leaching barrel, a driving assembly used for controlling the fixing assembly to move is arranged outside the leaching barrel, and an air inlet assembly is arranged on the left side, close to the top, of the leaching barrel. According to the device, by arranging the fixing assembly, multiple substrates can be leached and cleaned at the same time at a time, reciprocating rotation is conducted under the action of the driving assembly, it is guaranteed that the upper surfaces and the lower surfaces of the substrates can be cleaned, and the cleaning effect is improved; in addition, through the arrangement of the air inlet assembly, air can be introduced during leaching to generate bubbles, the bubbles are broken and impacted through ultrasonic waves to accelerate leaching of residues, and the substrate can be automatically popped out and conveniently taken out after leaching and cleaning are finished.

The utility model discloses a liftable anti-vortex stirring kettle for a laboratory, which comprises a base, a turnover stirring kettle is mounted on the base through a support, a limiting component is arranged on one side of the stirring kettle, a liftable stirrer is erected in the stirring kettle, the stirrer comprises a stirring shaft, and the stirring shaft is provided with an anti-vortex device. Stirring blades with adjustable stirring radiuses are distributed on the two sides of the stirring shaft, spoilers are distributed on the inner walls of the two sides of the stirring kettle, the spoilers on the two sides are oppositely arranged in a staggered mode, and the stirring blades are located between the vertically adjacent spoilers on the corresponding sides respectively; the lifting of the stirrer is driven by a lifting guide assembly of which one side can be accurately positioned. The liftable anti-vortex efficient stirring kettle adopts the lifting type stirring motor, the fan-shaped stirrer and the irregular choked flow baffle, effectively prevents vortex formation, improves efficiency and stirring quality, and is simple in structure, stable in operation, uniform in stirring, high in efficiency, low in cost and convenient for pouring out finished products.

The invention relates to the field of ore processing, and in particular to a method for accurately controlling the directional transformation of spodumene crystal forms, comprising S1, raw material preparation: obtaining spodumene raw materials with a diameter of less than 3 mm; S2, raw material preheating: heating by multiple cyclone separators to quickly make the temperature of spodumene reach 300-500 DEG C; S3, raw material heating: heating the preheated spodumene raw materials to quickly raise the temperature to 900-1000 DEG C; S4, precise temperature control-crystal form transformation: feeding into a dense phase fluidized bed, adding 100-1000g / t of calcium oxide, calcium carbonate or carbide slag at the same time, controlling the insulation time to 5-30min, and realizing precise control of the material temperature by external compensation electromagnetic heating at the same time, and controlling the temperature to between 950-1100 DEG C; S5, waste heat recovery: recovering the residual heat of the spodumene raw materials to cool the materials to 50-200 DEG C. The present invention realizes the directional crystal transformation of α-spodumene to β-spodumene, and has the characteristics of high conversion rate, low energy consumption, high operation rate, easy promotion and application, etc.

The invention discloses a method for extracting metal lithium from lithium-containing glass powder. The method comprises the following steps: stirring and mixing the lithium-containing glass powder, hydrochloric acid and aluminum hydroxide, and reacting to obtain a solid-liquid mixed reaction product; wherein the mass ratio of the lithium-containing glass powder to the hydrochloric acid to the aluminum hydroxide is 1: (0.2-0.6): (0.2-0.5); carrying out solid-liquid separation on the reaction product to obtain filtrate and filter residues; and removing impurities from the filtrate to obtain a lithium-containing solution. According to the method, lithium in the glass powder is leached out through hydrochloric acid and aluminum hydroxide, then the leach liquor is subjected to impurity removal, efficient extraction of the metal lithium in the lithium-containing glass powder can be achieved, the recovery rate of the metal lithium is high, the technical economic feasibility is high, and compared with a traditional process for extracting the metal lithium from the glass powder, the method has the advantages that the cost is low; according to the invention, the glass powder does not need to be calcined at high temperature, the energy consumption is lower, no hazardous waste is generated in the production process, the production water can be self-recycled, and the environment-friendly benefit is excellent.