1072 results about "Iron removal" patented technology

The invention belongs to the field of waste recovery, and particularly relates to a plastic production waste recovery treatment device which comprises a conveying assembly, an iron removal assembly, a smashing assembly and a collecting assembly. The conveying assembly comprises a climbing conveyor; the climbing conveyor is used for lifting and conveying plastic waste; the iron removal assembly comprises an equipment box; a magnet is arranged in the equipment box; one side of the equipment box is fixedly connected with a stand column; the top of the equipment box is fixedly connected with an air cylinder; the output end of the air cylinder is fixedly connected with a mounting frame. Positioning rods are symmetrically and fixedly connected to the two sides of the equipment box; by arranging the equipment box, iron impurities at the bottom of the bottom plate can be desorbed, then the device can remove the iron impurities in the waste materials, the device can conveniently crush the waste materials subsequently, meanwhile, the bottom plate can be driven to desorb the iron impurities by starting the air cylinder, and rapid desorption of the device on the iron impurities is achieved.

The invention belongs to the technical field of magnetite beneficiation, and particularly relates to a method for removing iron impurities in minerals through manual and automatic three-stage combination in magnet beneficiation, a three-stage iron removal system is arranged, the iron impurities and ferromanganese are detected step by step according to the size of the iron impurities and the property of magnets or ferromanganese, and a detected magnetic field is cooperatively calibrated step by step; and iron impurities in the ores are removed in a classified manner. Compared with the prior art, the system has the beneficial effects that a manual and automatic three-stage combined iron removal solution is adopted, large magnetic iron impurities, small magnetic iron impurities and ferromanganese impurities in the process are efficiently classified and removed in a targeted manner, damage of the iron impurities to equipment such as an ore crusher and a belt conveyor is avoided, the operation efficiency of the process is improved, and the production cost is reduced. And the problem of removing iron impurities in magnet beneficiation is solved.

The invention discloses an intelligent iron removal monitoring management method and system for a conveying belt and a storage medium, and the method comprises the steps: obtaining ferromagnetic target information, generating a foreign matter monitoring report according to the ferromagnetic target information, and finally carrying out the iron removal operation according to the foreign matter monitoring report and the state information of an iron removal unit. According to the device, metal foreign matters of different types and positions are sucked and removed, an operation instruction can be sent out in time before the foreign matters reach an iron removal area, timely and accurate actuation of the iron removal unit is ensured, the iron removal efficiency and accuracy of the conveying belt are remarkably improved, the impact risk on coal flow of the conveying belt is reduced, and the service life of the conveying belt is prolonged. And the automation level and the real-time monitoring capability of the system are improved.

The invention relates to ultrapure alpha-alumina powder and a preparation method thereof.The preparation method comprises the steps that aluminum scraps, an anhydrous aluminum chloride catalyst and isopropanol are subjected to a reflux reaction at the temperature of 60-80 DEG C, and aluminum isopropoxide is obtained; adding mixed alcohol of n-caprylic alcohol and isopropanol into the aluminum isopropoxide, continuing the reflux reaction, and then filtering the mixture obtained by the reflux reaction while the mixture is hot to obtain liquid composite aluminum alkoxide; carrying out atmospheric distillation on the composite aluminum alkoxide at 80-100 DEG C to remove free alcohol in the composite aluminum alkoxide to obtain dealcoholized composite aluminum alkoxide; adding high-purity water at 80 DEG C or above into the dealcoholized composite aluminum alkoxide, and carrying out two-step hydrolysis to obtain hydrolyzed slurry; carrying out reduced pressure distillation on the hydrolyzed slurry to recover alcohol in the hydrolyzed slurry so as to obtain dealcoholized hydrolyzed slurry; ,...,.... According to the method, an alcohol-aluminum alkoxide-aluminum oxide path is adopted, acid pickling for iron removal is avoided, and the ultra-pure alpha-aluminum oxide powder with the Fe content smaller than or equal to 0.5 ppm and the adjustable particle size is obtained.

The invention discloses a fracturing proppant using coal gangue and fly ash and a preparation process thereof, and relates to the field of fracturing proppants, the fracturing proppant comprises coal gangue, fly ash, silica fume, nanometer alumina, a composite pore-forming agent and a fluxing agent, and the preparation process comprises raw material pretreatment, mixing granulation, microwave-gradient sintering and post-treatment. The raw material pretreatment comprises the following steps: removing iron and impurities through carbon thermal reduction-magnetic separation; the composite pore-forming agent is enriched on the surface of the green body during mixed granulation; the microwave-gradient sintering is used for cooperatively regulating and controlling growth of mullite crystals through microwave preheating and resistance heating to form an internal acicular mullite interlaced structure and a surface micro-convex structure; a finished product is obtained through post-treatment grading and surface cleaning. Resource utilization of industrial solid waste is achieved, the strength and flow conductivity of the proppant are improved through raw material synergy, crystal structure regulation and control and surface microstructure design, preparation energy consumption is reduced, and the proppant is suitable for oil and gas field fracturing engineering.

The application discloses a method for preparing auxiliary cementitious material and concrete products by carbonizing steel slag with industrial kiln tail gas, and steps are as follows: original steel slag is crushed, iron is removed, and screening is performed, so that a steel slag coarse-fine aggregate mixture and steel slag fine powder are obtained; the steel slag coarse-fine aggregate mixture is carbonized to obtain carbonized coarse aggregate and carbonized fine aggregate; the steel slag fine powder is ground to obtain steel slag micro-powder, the steel slag micro-powder is made into a cake to obtain a steel slag cake; the steel slag cake is subjected to carbonization treatment, and then is dried and ground to obtain a steel slag-based auxiliary cementitious material; the steel slag-based auxiliary cementitious material, silicate cement clinker powder and gypsum powder are mixed to obtain a new low-carbon cementitious material; the carbonized coarse aggregate, the carbonized fine aggregate, the new low-carbon cementitious material and sand are mixed and pressure-formed, and are subjected to carbonization treatment, so that a steel slag multi-stage carbonized product is obtained. The application effectively improves the carbonization rate and carbonization strength through the multi-stage carbonization technology, and avoids the occurrence of uneven carbonization caused by the fact that CO2 carbonization cannot reach the inside of particles.

A multifunctional construction site cleaning robot and a cleaning method using the same are provided. The robot includes a chassis part; a bottom rotatable function part, including a sweeper unit, an iron remover unit, a leaf remover unit and a cutter unit; a debris treatment part, including a compression unit, a debris container and a pulverizing unit; a container exchange part, including a movable gripper unit and openable containers, the openable containers being configured to contain sundries collected by the sweeper unit and the iron remover unit; a spray part, configured to prewet or dedust a construction site; and a water transfer part, including an extensible water discharging unit and an extensible water pumping unit, the extensible water discharging unit being configured to pump accumulated water, and the extensible water pumping unit being configured to pump accumulated water from a bottom of a pit to the ground.

The invention discloses a high-temperature-resistant inorganic antibacterial ceramic glaze and a preparation process, and relates to the technical field of ceramic glaze preparation, the glaze is composed of a basic glaze and a zinc oxide-doped cerium dioxide inorganic antibacterial agent, and the basic glaze comprises feldspar, quartz, kaolin, calcite and talc. The preparation process comprises the following steps: mixing the raw materials, carrying out wet ball milling, adding the antibacterial agent and the dispergator, stirring at a high speed, sieving to remove iron, aging, glazing and sintering at a high temperature. In the process, an iron removal integrated unit integrating a two-stage vibration screening function and an automatic iron scraping function is adopted, and efficient and continuous iron removal operation is achieved. The obtained glaze can resist high-temperature sintering of 1150-1200 DEG C, the glaze surface is smooth and uniform, the glaze surface has lasting and efficient broad-spectrum antibacterial performance, glaze surface defects caused by iron impurities are effectively avoided, and the product yield and quality stability are improved.

The present invention discloses an efficient and environmentally friendly recovery system for valuable metals from waste circuit boards. The environmental protection recovery system includes a waste circuit board disassembly and crushing device, a waste circuit board and copper concentrate mixed smelting device, and a smelting flue gas purification and recovery device. When using the recovery system of the present invention for recovery, first, the waste circuit boards are desnidered, crushed, copper wires removed, iron removed, and aluminum removed. The copper-containing waste circuit boards are extruded into small pieces of materials and mixed with copper concentrate in proportion, and then added to a large-volume smelting furnace, and smelted by spraying with an ultra-rich oxygen spray gun, so that the organic components in the waste circuit boards burn more thoroughly, avoiding the generation of harmful substances. At the same time, the flue gas temperature is higher, and the waste heat boiler can effectively recover the heat generated by the waste circuit boards. The combustion flue gas is recovered through the flue gas purification and recovery device, effectively solving the impact of waste circuit board combustion on sulfuric acid production from flue gas; the recovery system of the present invention is scientifically and reasonably designed and can be widely promoted and used.

The invention relates to the technical field of waste mulching film treatment, in particular to waste mulching film treatment heavy residue separation equipment which comprises a separation box, a conveyor is installed at the front end of the separation box, a feeding hopper is fixedly connected to the front end of the top of the separation box, and a material distribution square box is fixedly connected to the outer side of the separation box. A cyclone dust collector is installed at the rear end of the separation box, the top of the material separation square box is fixedly connected with the cyclone dust collector through a connecting pipe, a centrifugal fan is fixedly installed at the top of the cyclone dust collector, multiple functions of iron removal, smashing, screening, centrifuging, flapping, winnowing, dust removal and the like are integrated, the occupied area of the equipment and the material transfer link are reduced, and the production efficiency is improved. A complete, efficient, automatic and environment-friendly waste mulching film recycling solution is provided, the core innovation point is the composite motion design of the separation assembly and the automatic discharging design of the magnet assembly, the overall practicability is high, and very high market application value is achieved.

The invention discloses a method for preparing electrolytic manganese dioxide from low-grade manganese oxide ore, the electrolytic manganese dioxide and application of the electrolytic manganese dioxide, and belongs to the technical field of battery materials. The method comprises the steps that S1, the low-grade manganese oxide ore is subjected to two-stage countercurrent acid leaching, and a leaching solution is obtained; s2, adjusting the pH value of the leachate, synchronously introducing air, adding a flocculating agent, and settling to remove iron and aluminum; s3, heavy metal is deeply removed, calcium and magnesium are removed through manganese fluoride, and then an oxidizing agent is added for oxygenolysis of polysulfide; s4, anolyte generated in the electrolysis process is added into the purified solution, Mn < 2 + > is subjected to catalytic oxidation through a catalyst, and generated authigenic MnO2 adsorbs residual impurities; and S5, pulse on-off current and periodic reversing are adopted for electrolysis, cathode waste liquid is reused for the leaching procedure in the S1, and electrolytic manganese dioxide is obtained. The electrolytic manganese dioxide with high purity and excellent electrochemical performance is successfully prepared through the specific steps of acid leaching iron removal, heavy metal removal, oxidation reaction, electrolysis and the like.

The invention relates to the technical field of battery recovery, and particularly discloses a recovery method of waste lithium iron phosphate and a lithium ion secondary battery. The recovery method of the waste lithium iron phosphate comprises the following steps: leaching acid liquor, and carrying out solid-liquid separation to obtain acid leaching liquor and a regenerated negative electrode material; cooling and crystallizing, and carrying out solid-liquid separation to obtain first iron-removed slag and first iron-removed liquid; oxidizing, adjusting pH, removing iron, and carrying out solid-liquid separation to obtain second iron-removed slag and second iron-removed liquid; adjusting the pH to precipitate lithium phosphate, and carrying out solid-liquid separation to obtain first lithium phosphate slag and lithium precipitation mother liquor; adding a lithium source into the lithium precipitation mother solution, and carrying out solid-liquid separation after reaction to obtain second lithium phosphate slag and a phosphorus removal solution; and evaporating and concentrating the dephosphorized solution to obtain a by-product salt. By implementing the invention, the recovery of each useful component can be realized.

The invention provides a copper powder purification and iron removal control method based on multi-parameter monitoring, and belongs to the technical field of copper powder processing. The method comprises the following steps that basic information of copper powder to be treated is obtained, and the theoretical dosage Qall of acid liquor is calculated; stirring and mixing the copper powder and pure water; setting a preset batch number n of adding the acid liquor in batches, generating an addition amount Q1 of adding the acid liquor in the first batch and an addition amount Q2 of adding the acid liquor in the second batch, and setting the interval time as t1; monitoring parameters of the mixed system are obtained, and the adding process of the acid liquor in the next batch is dynamically adjusted; and repeating until the concentration of the iron ions in the mixed system tends to be constant, thereby completing iron purification and impurity removal. Accurate iron removal through an acid leaching method can be achieved, the corrosion loss of the copper powder is reduced, and the purity and yield of the copper powder are improved; meanwhile, the addition amount of the acid liquor is accurately controlled, and the subsequent wastewater treatment cost is reduced.

The invention belongs to the technical field of metal material regeneration, and particularly relates to a secondary aluminum alloy multistage gradient iron removal method which comprises the following steps: pretreating waste aluminum to remove impurities on the surface of the waste aluminum; the method comprises the following steps: pretreating waste aluminum, placing the pretreated waste aluminum at 775-785 DEG C to form molten aluminum, and standing the molten aluminum to enable a crude iron phase with the particle size of more than 50 microns to sink; the temperature is controlled to be 715-725 DEG C, a composite iron removal agent is added, medium-fine iron phases with the particle size being 10-50 microns and low-density slag phases with the density being smaller than or equal to 4.8 g / cm < 3 > are adsorbed to float, and the composite iron removal agent is a mixture of Na2B4O7 and K2TiF6; and performing electromagnetic separation to complete iron removal. The method realizes efficient iron removal, is low in cost, environment-friendly and pollution-free, and does not introduce Mn / Cr and other impurities.

The invention provides an acid mine wastewater comprehensive treatment method, and belongs to the field of mine wastewater treatment.The method treats wastewater through three stages of iron removal pretreatment, replacement copper collection and neutralization treatment in sequence, firstly, the pH value of the wastewater is adjusted in an iron removal reaction tank for reaction, after solid-liquid separation, part of underflow flows back, and the rest enters a filter pressing system; then the liquid subjected to iron removal is guided into a copper recovery reaction tank, copper recovery is conducted through a reducing agent and an iron powder system, and underflow backflow and filter pressing treatment are conducted; and finally, adjusting the pH value of the liquid after copper collection in a neutralization reaction tank, oxidizing, carrying out solid-liquid separation and underflow reflux, and finally discharging after reaching the standard, thereby realizing deep purification of the acid mine wastewater. The slag generated by the method provided by the invention is common industrial solid waste, the environmental risk of waste slag stockpiling is reduced, the reaction efficiency is optimized through underflow reflux in the whole process, and efficient recovery of copper and stable standard treatment of wastewater are realized.

The preparation method comprises the following steps: mixing a lithium source, an iron source, a phosphorus source, a first carbon source and a first metal doping agent according to a preset proportion, carrying out primary high-temperature sintering, carrying out first-layer carbon coating and metal doping, and obtaining a primary sintered material; mixing the primary sintered material with a second carbon source and a second metal doping agent by a solid phase dry method, performing secondary sintering, performing secondary carbon coating and metal doping to obtain a target product, and finally crushing, sieving and deironing the target product to obtain the double-layer carbon-coated lithium iron phosphate material. A lithium source, an iron source, a phosphorus source, a carbon source and a metal doping agent are mixed and sintered by adopting a solid-phase mixing method and a simple carbon coating process to obtain a target product. The double-layer carbon-coated lithium iron phosphate material prepared by the method has high compaction density and high capacity, the coating uniformity of the carbon layer on the surface of the material is improved, and the conductivity is improved.

The invention relates to the technical field of magnetic separation, in particular to a roasting activation magnetic separation combined iron removal system which comprises a pretreatment module, a magnetic characteristic dynamic detection module, a magnetic field parameter self-adaptive matching module, a dynamic magnetic compensation module, a separation path optimization module and a cross-module cooperative control module. The sorting process is rehearsed through a virtual twinborn model, parameters are triggered to be reset synchronously, and particle agglomeration interference is restrained in combination with dynamic partition of a sorting cavity and a flexible electrode array. The modules achieve magnetic field dynamic adaptation, magnetic attenuation compensation and sorting path optimization through closed-loop cooperation, the problem that a static magnetic field is mismatched with non-uniform magnetic particles is effectively solved, and the medium magnetic particle capture efficiency, the iron element recovery rate and the concentrate grade are remarkably improved.

The invention provides a method for preparing a ceramic material from lithium slag obtained by extracting lithium through a spodumene acid method, and relates to the technical field of energy conservation and environmental protection. The method for preparing the ceramic material by extracting the lithium slag through the spodumene acid method comprises the following steps: S1, component analysis: carrying out comprehensive component analysis on the lithium slag; s2, magnetic separation iron removal: enabling the lithium slag to pass through a magnetic field by using a magnetic separator, so that magnetic iron impurities in the lithium slag are adsorbed and separated; s3, particle size adjustment is conducted, and mechanical equipment is adopted for conducting particle size grading and grinding treatment on the lithium slag; step S4, mixing and ball-milling: according to a preset formula proportion, adding the lithium slag, kaolin, feldspar, quartz and an additive into a ball mill in proportion, adding a proper amount of water, and carrying out ball-milling and mixing for 2-4 hours, so that the raw materials are fully and uniformly mixed to obtain uniform ceramic blank slurry; finally, the problems that the lithium slag is difficult to treat, the requirement for ceramic materials is large, the preparation cost is high and the performance needs to be improved are solved, and energy-saving and environment-friendly treatment and resource recycling of lithium slag resources are achieved.

The present application relates to the technical field of impurity removal and quality improvement of non-ferrous metals, and in particular to a method for decarbonization and iron removal of high-sulfur bauxite; the method comprises: crushing the high-sulfur bauxite and screening it with a preset particle size to obtain fine-grained high-sulfur bauxite; wet coarse grinding the fine-grained high-sulfur bauxite to obtain a coarse-ground slurry; adjusting the pH value of the coarse-ground slurry, and then adding a flotation agent to the coarse-ground slurry for flotation to obtain a desulfurized aluminum concentrate; finely grinding the desulfurized aluminum concentrate and performing strong magnetic separation to obtain a low-carbon and low-iron aluminum concentrate and a high-carbon and high-iron tailings, respectively; the flotation agent comprises an inhibitor, an activator, a composite desulfurization collector and a frother; the preset particle size is 6 mm to 9 mm; and adopts a "stage grinding-flotation magnetic combined stage separation technology" with the characteristics of low energy consumption, low production cost, high recovery rate, strong process adaptability, stable production, and high comprehensive utilization rate.

The utility model relates to the technical field of chain plate conveyors, in particular to a chain plate conveyor with an automatic iron removal function, which comprises a material receiving box and a support plate, the outer side of the material receiving box is attached to the outer side of the support plate, the inner side of the support plate is fixedly connected with a first slope block, the inner side of the support plate is rotatably connected with a rotating roller, and a containing groove is formed outside the rotating roller. The outer side of the rotating roller is sleeved with a chain plate assembly, the inner side of the chain plate assembly is slidably connected with an iron removal assembly, the chain plate assembly comprises chain plate pieces, storage holes are formed in the inner sides of the chain plate pieces, and rectangular limiting blocks are fixedly connected to the inner sides of the storage holes formed in the chain plate pieces; according to the material conveying device, the collecting uniformity of iron materials in materials is effectively improved, dust generated in the material conveying process is reduced, and therefore pollution to the environment is reduced, and the requirement for sustainable development is met.

The invention discloses a return oil filter device and a hydraulic system, and relates to the technical field of return oil filter equipment in the hydraulic system, the return oil filter device comprises a supporting assembly, an outer shell is rotatably connected to the supporting assembly, and a plurality of spreading filter assemblies and magnetic adsorption assemblies are arranged on the inner left side face and the inner right side face of the outer shell at intervals; the magnetic adsorption assembly comprises an outer clamping block, a connecting plate and a magnetic plate; the spreading and filtering assembly comprises a central shaft, an end shaft, a spreading plate and a hook-shaped filter screen; a plurality of notches are uniformly formed in the top surface of the spreading plate; the spreading plate is obliquely arranged downwards, and the inclination angle of the spreading plate is adjusted and fixed through the locking assembly. According to the device, scrap iron is firstly removed from hydraulic oil and then filtered, blockage of the hook-shaped filter screen is delayed, meanwhile, the hydraulic oil doped with impurities is successfully subjected to multiple scrap iron removal and then filtered, the flexibility is high, the speed of treating the hydraulic oil doped with the impurities is increased to the maximum extent, and the scrap iron removal and refiltering efficiency is greatly improved.

The invention discloses a preparation method of a high-compaction-density lithium iron phosphate positive electrode material, the high-compaction-density lithium iron phosphate positive electrode material is obtained by premixing, homogenizing, coarse grinding, fine grinding, drying, sintering, crushing, batch mixing, screening and iron removal of raw materials for preparing the lithium iron phosphate positive electrode material, the raw materials comprise a lithium source, a phosphorus source, an iron source and a carbon source, the iron source is iron phosphate, and the iron phosphate is composed of 70-80% of pure iron process iron phosphate and 20-30% of ammonia process iron phosphate. According to the preparation method of the high-compaction-density lithium iron phosphate positive electrode material, through optimization of a production process, on the premise that the compaction density of the obtained high-compaction-density lithium iron phosphate positive electrode material is larger than 2.55 g / cc, the magnetic MI is smaller than or equal to 7.3 ppm, and the resistivity is smaller than or equal to 10.5 omega.cm.

The invention discloses a method for efficiently removing iron from a regenerated Al-Si alloy, which is characterized in that by controlling the content of Si, the mass percent of the Si is in a range of 10.0-12.6%, the heat preservation temperature of iron removal is reduced, the sedimentation efficiency of an iron-rich phase is improved, the mass ratio of (Mn + Cr) / Fe is controlled to be 0.5-1.0, the proportion of components and the sedimentation temperature are optimized, and the iron removal efficiency is improved. And the iron removal efficiency and the production efficiency are further improved. Besides, secondary aluminum with high Fe content is added through a step-by-step method, an electromagnetic stirring system is combined, melting of the secondary aluminum with high content is effectively accelerated, the production efficiency is improved, the Al-Sr-RE composite alterant with a specific proportion is added, sedimentation of an iron-rich phase can be further accelerated, the iron removal rate and the production efficiency are improved, and a subsequent refining agent with a specific proportion is combined, so that the iron removal efficiency is improved. And castings or regenerated aluminum alloy ingots with few impurities and excellent mechanical properties are obtained, the balance of the iron removal rate and the production efficiency is achieved on the whole, and the comprehensive performance of the regenerated aluminum alloy is remarkably improved.

The invention discloses a beneficiation method for recovering micro-fine particle cassiterite and fluorite from cassiterite tailings, and belongs to the technical field of beneficiation. The method comprises the steps that cassiterite tailings are subjected to reselection, obtained reselected bulk concentrate is subjected to ore grinding and then sequentially subjected to magnetic separation iron removal and flotation desulfurization, and the desulfurized tailings are subjected to cassiterite flotation with metal ion modified water glass with the valence higher than bivalent as an inhibitor and a metal-based multi-ligand organic complex as a collecting agent, so that cassiterite concentrate and flotation tailings are obtained; and the flotation tailings and the gravity separation tailings are combined, water glass or acidified water glass serves as an inhibitor, aliphatic carboxylic acid and heavy alkyl benzene sulfonate serve as a composite collecting agent, fluorite flotation is conducted, and fluorite concentrate is obtained. According to the method, the technological process is simple, the ore grinding and agent cost can be remarkably reduced, and selective separation of cassiterite and fluorite is achieved while efficient recycling of micro-fine particle cassiterite is achieved.

The invention discloses a material iron removal device and a control method of the material iron removal device. The material iron removal device comprises a feeding channel, an iron removal cavity and a discharging channel which communicate with one another in sequence. The magnetic disk assembly is rotatably arranged in the iron removal cavity, the magnetic disk assembly is used for sucking iron impurities in the materials, and the magnetic disk assembly is provided with a material passing area for the materials to pass through; the driving motor is connected with the magnetic disk assembly to drive the magnetic disk assembly to rotate; the first detection module is used for detecting the material flow in the feeding channel; the first detection module and the driving motor are in communication connection with the control module, and the control module is configured to control the rotating speed of the driving motor according to the flow information obtained by the first detection module. According to the material iron removal device, the magnetic disk assembly can rotate, the risk of material blockage caused by excessive material discharging is reduced, and the risk of material blockage is further greatly reduced through real-time monitoring of the first detection module and dynamic adaptation of the rotating speed.

The invention provides a low-consumption wet smelting process for flotation zinc oxide concentrate, which comprises the steps of pretreatment, low-acid leaching and post-treatment, and specifically comprises the following steps: adjusting the mass concentration of the raw material flotation zinc oxide concentrate to be 15-45%, adding an ultrasonic-synergistic stripping agent, and stirring uniformly; reacting for 5-45 minutes under an ultrasonic stirring condition to obtain ore pulp a; the ultrasonic-synergistic stripping agent is prepared from alkylbenzene sulfonate, octylphenol polyoxyethylene ether and persulfate; a decarburizing agent and a particle enhancer are added into the ore pulp a, the pH value is adjusted to 8.5-9.5, fine air is introduced for 5-10 min, and zinc oxide concentrate b is obtained through solid-liquid separation; waste electrolyte and / or waste acid are / is added into the zinc oxide concentrate b for a leaching reaction, and leaching liquid c is obtained; and the leaching solution c is subjected to neutralization iron removal and zinc powder replacement impurity removal, and then a zinc ingot is obtained.

The application provides a beryllium glass leaching solution purification method, and belongs to the technical field of hydrometallurgy, and comprises the following steps: the beryllium glass leaching solution is heated to a preset temperature, and an alkaline calcium-based ore slurry is added to carry out pre-neutralization reaction to obtain a pre-neutralized solution; the pre-neutralized solution is subjected to first liquid-solid separation treatment to obtain a pre-neutralized liquid and a filter residue; the pre-neutralized liquid is subjected to deep iron and aluminum removal treatment according to a first deep iron and aluminum removal route or a second deep iron and aluminum removal route to obtain a beryllium-containing leaching solution and an iron and aluminum-containing leaching residue, so as to complete the purification of the beryllium glass leaching solution; the first deep iron and aluminum removal route comprises neutralization reaction treatment, second liquid-solid separation treatment and first pressure leaching treatment; the second deep iron and aluminum removal route comprises oxidation neutralization reaction treatment and second pressure leaching treatment. The application can solve the problems of existing technologies, such as the introduction of impurities, strict control, complex process and large beryllium loss.

The utility model discloses a novel special carbon black granulator outlet material iron removal device, relates to the technical field of carbon black production, and mainly aims to improve the efficiency of removing iron powder in carbon black by magnetic separation. According to the main technical scheme, the novel special carbon black granulator outlet material deironing device comprises a main conveying belt conveyor, an auxiliary conveying belt conveyor and a material receiving chute, the auxiliary conveying belt conveyor is arranged above the main conveying belt conveyor, the conveying direction of the auxiliary conveying belt conveyor is opposite to that of the main conveying belt conveyor, the auxiliary conveying belt conveyor comprises a magnetic roller, a non-magnetic roller and a magnetic plate, the magnetic roller is located at the conveying starting end of the auxiliary conveying belt conveyor, and the non-magnetic roller is located at the conveying tail end of the auxiliary conveying belt conveyor. The magnetic plate is located between the upper conveying face and the lower conveying face of the auxiliary belt conveyor and is close to the lower conveying face of the auxiliary belt conveyor. The material receiving chute is located at the conveying tail end of the auxiliary belt conveyor and extends in the width direction of the conveying face of the auxiliary belt conveyor.

The application discloses a method and a reaction device for synchronously and efficiently removing iron and organic matters, and belongs to the technical field of hydrometallurgy. The method comprises the following steps: taking a leaching solution of a zinc hydrometallurgy purification process, adjusting the pH by using a neutralizing agent a, maintaining the pH between 3.6-4.0, then conveying the solution to a leaching solution storage tank for preheating and stirring, after reaching a set temperature of 50-95 DEG C, injecting the solution into an iron removal reactor, adjusting the pH to be 4.0-5.0, introducing an oxidizing agent, controlling the flow rate to be 10-300 L / h, deeply removing the organic matters and iron ions in the solution, and after the reaction is finished, aging for 1-4 h, and then performing solid-liquid separation. The reaction device comprises a leaching solution storage tank, an iron removal reactor, an oxidizing agent supply system and the like. The application can efficiently and synchronously remove the iron ions and the organic matters in the solution, can greatly reduce the iron removal time, can reduce the catalyst and oxidizing agent consumption, has a good removal effect, and has a good application prospect.

The utility model belongs to the technical field of iron removal equipment, and particularly relates to an automatic wet iron remover, which comprises a shell with a front opening and a rear opening, a working bin is arranged in the shell, a front cover plate covers the front opening of the shell, a rear cover plate covers the rear opening of the shell, a plurality of sleeves and a support plate for supporting the sleeves are arranged in the shell, and the sleeves are sleeved on the support plate. The front end of the sleeve is closed, the rear end of the sleeve is open, the rear end of the sleeve is fixed to the rear cover plate through welding, the outer side of the rear cover plate is fixedly connected with an air cylinder seat plate, an air cylinder is installed on the air cylinder seat plate, a magnetic rod seat plate is arranged between the rear cover plate and the air cylinder seat plate, and a piston rod of the air cylinder is connected to the magnetic rod seat plate. Bare magnetic bar assemblies arranged in the corresponding sleeves in a sliding mode are arranged on the magnetic bar base plate, each bare magnetic bar assembly comprises a supporting shaft and a plurality of pieces of magnetic steel arranged on the supporting shaft in a sleeving mode, and the rear end of each supporting shaft is connected to the magnetic bar base plate. The iron removal device is strong in magnetic force, capable of adsorbing iron impurities with small particles and good in iron removal effect.