714 results about "Nonferrous metal" patented technology

The invention discloses a multi-parameter coupling intelligent regulation and control method and system in a vanadium ore smelting process, relates to the technical field of non-ferrous metal smelting automatic control, and solves the problems of feeding deviation and resource chain scission caused by slow response of an existing heat balance model to ore impurity fluctuation, online sensing lag and process island. The impurity concentration and the dielectric constant are obtained in real time through an LIBS / XRF combined probe and a microwave dielectric spectrum, rheological disturbance is dynamically corrected through extended Kalman filtering, a dynamic coupling response model is input, a thermodynamic interference factor is calculated, and a leaching and precipitation strategy is generated; performing mother liquor tail gas material flow collaborative optimization in parallel, constructing a multi-dimensional control vector U, performing iterative updating through near-end strategy optimization in a digital twin and issuing the multi-dimensional control vector U to an edge PLC (Programmable Logic Controller) in a distributed manner, and finally correcting a model weight through online XRD (X-Ray Diffraction) feedback; according to the method, the adaptive capacity to complex vanadium ore component disturbance, the response precision of online control and the inter-process resource circulation efficiency are remarkably improved.

The invention belongs to the technical field of image processing, and discloses a nonferrous metal target detection method and system for a scraped car. According to the method, through deep coupling of a GAN bimodal fusion network and a double-backbone network, a scraped car nonferrous metal target detection model is constructed, so that nonferrous metals in scraped cars are efficiently and accurately sorted. A bimodal fusion network is introduced into a model input layer, a fusion image with infrared thermal saliency and visible light texture features is generated, and the problem of cross-modal information splitting is solved; according to the dual-backbone network, standard convolution is replaced by a three-branch structure of an MGHCM module, large target contours, middle target semantics and small target details are synchronously captured, and self-adaptive shunting and efficient fusion of multi-scale features are achieved in cooperation with dynamic feature routing of a DHFBlock module; and the detection head network is optimized into a rotating frame prediction and cross-modal cross entropy classification mechanism so as to adapt to the placement scene of the metal fragments at any angle.

The invention relates to the technical field of conductive copper paste, in particular to conductive copper paste prepared by combining liquid nonferrous metal with graphene and a preparation method of the conductive copper paste. The preparation method comprises the following steps: weighing nano-copper coated graphene composite powder, a liquid nonferrous metal, a binder, trifluoropropyltrimethoxysilane, an auxiliary agent and copper powder, and then preparing trifluoropropyltrimethoxysilane into a dilute solution; copper powder and the nano-copper coated graphene composite powder are mixed to obtain composite powder; the liquid nonferrous metal and the composite powder are stirred to obtain metal paste; and adding a resin solution and an auxiliary agent into the metal paste to form printing paste, and then standing and curing. According to the conductive copper paste, the liquid nonferrous metal serves as a main binding phase, the defect that the welding thrust is low due to a traditional resin system is overcome, the problems of dispersion and interface compatibility are solved through cooperation of the nano-copper-coated graphene and the silane coupling agent, and finally the conductive copper paste with extremely low resistance, high stability and ultrahigh welding thrust is obtained.

A radio frequency (RF) feedthrough component having an impedance greater than 20 ohms is disclosed. The feedthrough includes a ceramic body having a flexible non-ferrous conductor adhered to its outer peripheral surface and to an inner peripheral surface of an aperture through the ceramic body. A non-ferrous conductive lead is disposed through the aperture and protrudes from at least one side thereof. A non-ferrous hermetic seal is formed between a portion of the non-ferrous conductive lead disposed in the aperture and the non-ferrous conductor adhered to the surface of the aperture. The RF feedthrough can be assembled in an opening of a conductive housing to form an electromagnetically shielded package for an electrical circuit.

The invention belongs to the technical field of non-ferrous metal processing and materials, and relates to an Al-Mg-Mn series cast aluminum alloy capable of being anodized and a vacuum die-casting process thereof, and the Al-Mg-Mn series cast aluminum alloy capable of being anodized comprises, by weight, 2.5%-4.5% of Mg, 1.6%-2.6% of Mn, 0.4%-0.8% of Si, 0.1%-0.25% of La, 0.2%-0.4% of Ce, less than or equal to 0.15% of Fe, less than or equal to 0.10% of Ti, less than or equal to 0.06% of Cu, less than or equal to 0.05% of single other impurities, less than or equal to 0.15% of total impurities and the balance Al. According to the Al-Mg-Mn series cast aluminum alloy T5 capable of being anodized, after heat treatment, the ultimate tensile strength is 280-320 MPa, the yield strength is 150-180 MPa, the percentage elongation after fracture is 8-14%, and meanwhile the Al-Mg-Mn series cast aluminum alloy T5 has excellent anodizing performance and casting performance and meets the development trend and requirements of light weight, integration and attractiveness in the fields of consumer electronics, automobiles and the like.

The invention discloses a high-bismuth slag and precious lead co-processing and efficient recycling method, and belongs to the technical field of non-ferrous metallurgy. High-bismuth slag and precious lead are mixed to obtain impurity-removed precious lead through impurity removal processes such as plug-blow antimony removal, liquation copper removal and tellurium removal by adding agents, and the impurity-removed precious lead is subjected to an oxidation refining process to obtain gold-silver alloy to recover precious metal. Bismuth and lead are similar, silver can be infinitely dissolved in a molten state, and the silver trapping agent has good silver trapping capacity. The high-bismuth slag and the precious lead are mixed to greatly reduce the temperature of a system, volatilization and unknown loss of metal such as Ag are reduced, energy consumption is remarkably reduced, the production cost is reduced, the recovery rate of metal such as bismuth, antimony and silver is increased, and the production efficiency is improved. The obtained molten slag is used for smelting high-bismuth slag, the obtained soot is used for smelting crude antimony, and efficient cyclic utilization of rare and precious metal resources is achieved.

The utility model discloses a fine-grain nanocrystalline homogenization magnetic field stirring crystallizer capable of achieving an ecological cold-water-free accompanying system, and relates to the technical field of non-ferrous metal casting, the fine-grain nanocrystalline homogenization magnetic field stirring crystallizer comprises a fixed stirring assembly and a movable stirring assembly, and the fixed stirring assembly comprises a plurality of fixed coils evenly distributed on the periphery of the crystallizer; the movable stirring assembly comprises a plurality of movable coils evenly distributed on the periphery of the fixed stirring assembly, the movable coils and the fixed coils are distributed in an included angle mode, and the movable stirring assembly is configured to rotate and move relative to the fixed stirring assembly, so that the movable coils can be correspondingly matched with the fixed coils in the local area. Composite magnetic field distribution is formed in a corresponding local area, so that the magnetic field distribution condition of the local area is accurately adjusted, local directional stirring of the melt is achieved, the stirring effect of the melt is accurately controlled, it is ensured that the melt in each area can be uniformly stirred, and therefore the temperature cooling uniformity is improved, and the crystal growth quality and stability are guaranteed.

The invention discloses a non-ferrous metal calendaring defect detection method based on machine vision, and relates to the technical field of machine learning and image data processing, and the method comprises the following steps: S1, aiming at a non-ferrous metal calendaring strip surface defect detection task, systematically collecting training data and constructing a data set by relying on an actual industrial production line; s2, suppressing reflective noise through multi-scale gradient coherence filtering and enhancing a real defect edge to obtain an enhanced image; s3, constructing and training a non-ferrous metal calendaring defect detection model in combination with the multi-scale feature fusion vector; and S4, detecting the preprocessed image based on a non-ferrous metal calendaring defect detection model to obtain a defect detection result. The problems of metal strong reflection interference, large defect scale difference, sample scarcity, category imbalance and the like in the existing detection are solved. And the non-ferrous metal calendaring defect detection precision and robustness can be effectively improved.

The invention relates to the technical field of non-ferrous metal dust treatment, and provides a pneumatic cyclone tower for explosive aluminum magnesium dust treatment and a dust removal method of the pneumatic cyclone tower. The spraying tower is fixedly mounted at the top of the base, and the inner wall of the center of the spraying tower is rotationally connected with a long rod; the windmill blades are fixedly mounted at the top end of the long rod, and a water sprayer is fixedly mounted on the inner wall of the spray tower. The motor drives the long rod to drive the windmill blades to rotate, the windmill blades are matched with the water sprayer to form spiral rotating airflow, and the collision fusion efficiency of dust and liquid drops is improved; the long rod synchronously drives the scraping plate to scrape dust accumulated on the tower wall, multi-stage filtration is achieved in cooperation with the filter screen, and waste water is recycled through the water return pipeline. The scheme solves the problems that existing equipment is low in dust removal efficiency and difficult to clean, and has the advantages of being efficient, low in energy consumption and easy to maintain.

The utility model relates to the technical field of non-ferrous metal processing, and discloses a raw material color sorter for non-ferrous metal processing, which comprises a bottom plate, a support fixedly connected to the top end of the bottom plate, a feeding assembly arranged at the top end of the support, a boss fixedly connected to the right end of the support, a plurality of angle iron sheets detachably connected to the top end of the boss through bolts, and a color sorter arranged on the bottom plate, by arranging the feeding hopper, the feeding guide plate and the material guide groove, firstly, a proper amount of raw materials are put into the feeding hopper and then fall to the feeding guide plate, due to the dead weight of the raw materials, the feeding guide plate can incline along the hinged position, the materials enter the material guide groove, and the materials are fed into the feeding guide plate through the feeding guide plate. The materials slide downwards along the inner wall of the material guide groove, when the sorting mechanism detects particles with different colors, the particles with different colors are sorted into the front side storage space of the material storage box, normal particles are sorted into the rear side storage space of the material storage box, and therefore sorting of the materials is completed.

The invention relates to a method for preparing high-purity bismuth by removing impurity lead in refined bismuth through oxidation slagging, and belongs to the technical field of non-ferrous metals. Melting and oxidizing: melting a lead-containing refined bismuth raw material at 300-400 DEG C, adding bismuth oxide into the molten bismuth, and fully stirring to enable the bismuth oxide and lead to generate oxidation reaction to generate lead oxide; slagging reaction: adding boric anhydride (B2O3) into the melt, and enabling the boric anhydride (B2O3) to react with the generated lead oxide to generate lead borate slag; slag salvaging and lead removal: stirring for 30-60 minutes at the temperature of 300-400 DEG C in a heat preservation manner, so that the slagging reaction is fully carried out, generated lead borate slag with lower density floats to the surface of a melt, and a lead-containing slag phase is removed in a mechanical or manual slag salvaging manner; and after the slag salvaging process is finished, cooling the bismuth melt under a protective atmosphere until the bismuth melt is solidified to obtain a lead-removed high-purity bismuth product. According to the method, bismuth oxide and boric anhydride are introduced, metal lead is converted into lead borate slag easy to float, efficient and deep separation of lead and bismuth melt is achieved through the density difference, and the lead content can be reduced to 1 ppm or below.

The invention relates to the technical field of non-ferrous metal hydrometallurgy, in particular to a method for separating molybdenum and rhenium from molybdenum smelting waste acid by using resin, which comprises the following steps: adding a phosphorus source into the molybdenum smelting waste acid, and then adjusting the acidity to an acid environment in which the hydrogen ion concentration is greater than or equal to 1mol / L; molybdenum and rhenium in the molybdenum smelting waste acid with the acidity adjusted are separated through weak-base anion exchange resin, and a rhenium product with the lower molybdenum impurity content is obtained. According to the method, the phosphorus source is added into the molybdenum smelting waste acid, so that phosphate ions are hydrolyzed from the phosphorus source, molybdenum can be effectively prevented from being adsorbed by the alkalescent anion exchange resin, the selectivity of the anion exchange resin to rhenium is greatly improved, and the rhenium recovery rate and the molybdenum-rhenium separation effect are improved; the problems that in the prior art, ion exchange resin is difficult to adapt to molybdenum-rhenium separation under the high molybdenum concentration, the rhenium recovery rate is low, the rhenium-molybdenum separation effect is poor, and a high-molybdenum-concentration solution cannot be treated are solved.

The invention discloses a die-casting die oil cylinder piston rod with a built-in high-pressure air cooling channel, relates to the technical field of automobile non-ferrous metal casting, and aims to solve the technical problem that high-temperature transmission in the piston rod is difficult to solve fundamentally by adopting an external cooling mode. One end of the piston rod body is connected with a driving end connector, the other end of the piston rod body is connected with a tail barrel, the air inlet end of the tail barrel is connected with a vortex cooling pipe, a control frame is arranged on the side of the tail barrel, and an inner cavity of the piston rod body is provided with a direction adjusting unit and an airflow channel. A transfer groove, a plurality of cylinder direction cooling channels and a plurality of die direction cooling channels are formed in an inner cavity of the driving end connector, the direction adjusting unit comprises an adjusting block arranged in the transfer groove in a sliding mode, the side wall of the adjusting block is connected with an adjusting rod, and a driving piece is arranged at the end of the adjusting rod. The piston rod has the advantages that air cooling is conducted on the interior of the piston rod body, and secondary heat exchange is achieved through residual cooling capacity of cold air flow.

The invention relates to the technical field of plasma thermal spraying processing, in particular to an automatic thermal spraying robot for die-casting die maintenance, which comprises a bottom frame, a driving component, a driven screw rod, a moving component, a spray gun, an adjusting block, an adjusting component, a synchronous block, a synchronous component, a cooling system and a re-spraying positioning component, spiral spraying of the die-casting die is achieved in the mode that rotation of the die-casting die is combined with movement of the spraying gun, the adjusting component and the transmission are arranged, the spraying distance of the spraying gun to the die-casting die can be adjusted, meanwhile, the movement speed of the spraying gun can be synchronously adjusted, and cooling can be stopped at any time by arranging the cooling system and the re-spraying positioning component; and after cooling, it is guaranteed that the spray gun can be aligned to the position of the die-casting die before cooling, the quality of plasma thermal spraying is guaranteed, the maintenance effect of the die-casting die is improved, and then the quality of non-ferrous metal parts produced by the die-casting die is improved.

The invention discloses a distributed heterogeneous flexible flow shop batch processing scheduling method and system, relates to the technical field of distributed production scheduling in the manufacturing industry, and aims to solve the problems that an existing scheduling method is not comprehensive in constraint consideration, poor in energy consumption optimization and low in algorithm efficiency. According to the method, a mixed integer linear programming model containing multiple constraints such as release time and sequence-related preparation time is constructed, a learning-assisted dual-objective co-evolution framework is established, and the maximum completion time and the total energy consumption are synchronously optimized by combining mixed initialization, global-local search collaboration, decision reinforcement learning operator selection and a collaborative energy-saving strategy. The release time, the sequence-related preparation time, the inter-stage transportation time and the batch processing scheduling are simultaneously considered in the distributed heterogeneous flexible flow shop scheduling for the first time, the established mixed integer linear programming model better fits the actual production scene, and the method fits the actual production scene, is good in energy consumption optimization effect and can be adapted to the non-ferrous metal metallurgy aluminum production process.

The invention relates to the technical field of wire drawing devices, and discloses a non-ferrous metal alloy material wire drawing device and method.The wire drawing device comprises a metal wire drawing machine, the metal wire drawing machine comprises a machine cabinet, a water tank is installed on the machine cabinet, and driving shafts are arranged on the two sides of the interior of the water tank; the modularized cone pulley unit comprises a spline sleeve arranged on the driving shaft, and a cone pulley module is arranged on the spline sleeve; the cone pulley module comprises multiple sets of cone pulley individuals arranged on the spline sleeve, and the multiple sets of cone pulley individuals are connected in a clamped mode. The modular cone pulley unit is adopted, the cone pulley is designed into the multiple sets of cone pulley bodies connected in the clamped mode, when one set of cone pulley body is abraded, only the abraded cone pulley body needs to be replaced, the whole cone pulley does not need to be replaced, the maintenance cost is greatly reduced, the replacement time is greatly shortened, and the utilization rate and the production efficiency of equipment are improved.

The invention relates to the technical field of flue gas treatment and waste heat utilization in the non-ferrous metal smelting process, and discloses a multi-kiln flue gas multi-target collaborative intelligent dynamic allocation method and system.The method comprises the steps that original data are collected in real time, and a multi-source flue gas time sequence data set is generated through processing; establishing a multi-furnace flue gas mixing mechanism model, and fusing the data driving model to carry out deviation correction to form a prediction model; and a comprehensive multi-objective optimization function is constructed, safety constraint conditions are defined, the opening degree of each baffle, the rotating speed of an induced draft fan and the optimal set value of a flow dividing valve are calculated in real time through a prediction model prediction control algorithm, and dynamic allocation of stable acid making inlet flue gas parameters and efficient waste heat recovery is achieved. The system comprises a data preprocessing module, a prediction model construction module and a constraint condition construction module. Efficient, stable and low-carbon emission of the smelting flue gas is achieved, and the energy utilization efficiency and production benefits of the whole metallurgical process are improved.

The invention relates to a data fusion and updating method for soil and groundwater pollution, and the method comprises the steps: obtaining historical four-dimensional data which comprises historical industry production data, historical pollution monitoring data, historical policy and regulation data, and historical literature research data; constructing a metadata blood relationship graph based on historical four-dimensional data; obtaining pollution prevention and control result information based on the metadata blood relationship graph; obtaining current four-dimensional data, wherein the current four-dimensional data comprises current industry production data, current pollution monitoring data, current policy and regulation data and current literature research data; and updating the pollution prevention and control result information based on the current four-dimensional data and metadata blood relationship graph to obtain target pollution prevention and control result information. The whole process of soil and groundwater pollution in the non-ferrous metal smelting industry can be analyzed, prevented and controlled by combining multi-modal data, so that the scientificity and effectiveness of pollution prevention and control are improved.

The invention relates to the technical field of non-ferrous metal die-casting, and discloses a die-casting device for non-ferrous metal production, which comprises a die-casting machine table, an injection mechanism is arranged on the side surface of the die-casting machine table, and a die closing mechanism is fixedly connected to the side surface, far away from the injection mechanism, of the top end of the die-casting machine table; the side face, close to the injection mechanism, of the die closing mechanism is movably connected with a die-casting movable die, the side face, away from the die closing mechanism, of the die-casting movable die is provided with a die-casting fixed die, a detection injection mechanism is arranged above the die-casting movable die and the die-casting fixed die, and the side face of the die-casting movable die is provided with an absorption mechanism. Before die casting, the moving plate drives the spray head to move into the die cavity of the die casting movable die and the injection mechanism, the spray head makes contact with the interior of the die cavity, so that the spray head drives the limiting shaft to move towards the moving plate through the release agent pipeline, at the moment, the spray head makes contact with the pressure sensor and compresses the pressure sensor, and the structure of the die cavity can be known according to the pressure value of the pressure sensor.

The invention relates to the technical field of nonferrous metal beneficiation intelligent control, and discloses a lead zinc ore flotation process state evolution modeling method. The method comprises the following steps: collecting multi-source heterogeneous data of a flotation process, preprocessing the multi-source heterogeneous data, then obtaining a plurality of key features, and constructing a feature matrix according to the plurality of key features; constructing a hidden Markov model based on the hidden state of the flotation process, inputting the feature matrix to the hidden Markov model, optimizing parameters of the hidden Markov model through a Baum-Welch algorithm, and screening evolution models in a training process in combination with a Bayesian information criterion; and acquiring real-time multi-source heterogeneous data of the flotation process and acquiring a corresponding feature matrix, inputting the feature matrix into the evolution model, and acquiring an optimal process state sequence in combination with a dimensional bit algorithm. The problem that an existing beneficiation model cannot effectively and accurately predict the flotation process state is solved.

The invention provides a non-ferrous metal recovery method and an aluminum electrolyte carbon residue comprehensive utilization process, and relates to the technical field of metal recovery and utilization. A non-ferrous metal recycling method comprises the following steps that S1, pretreatment of raw materials is conducted, specifically, aluminum electrolyte is crushed and screened through a crusher to prepare carbon residue powder, the carbon residue powder and an alkaline compound are mixed according to the mass ratio and then put into a muffle furnace to be roasted, fluoride is converted into calcium fluoride, cyanide is converted into calcium cyanate, and roasted residues are generated; and S2, leaching treatment is conducted, specifically, the roasting slag in the step S1 is put into a constant-temperature water bath pot through a sulfuric acid solution to be leached. According to the scheme, enrichment of valuable metals such as aluminum and lithium can be finally achieved by leaching the roasting slag through sulfuric acid, impurities such as iron and aluminum are accurately separated from the leachate through a fractional precipitation method, calcium ions are selectively precipitated through oxalic acid, a high-purity lithium solution is finally obtained, a battery-grade lithium carbonate product is prepared after lithium precipitation, effective recovery and utilization of non-ferrous metals are achieved, and the method is suitable for industrial production. The energy is saved.

This invention relates to the field of mine wastewater treatment technology, particularly wastewater treatment equipment for non-ferrous metal mines. The equipment includes a wastewater sedimentation unit, a deep electrolysis unit, and a chemical dosing and purification unit. A sedimentation inlet pipe with a power pump and a sludge discharge pipe are spaced apart on the lower outer wall of the wastewater sedimentation unit. A first pipeline is installed at a primary supernatant pipe joint located in the middle of the wastewater sedimentation unit. The outlet end of the first pipeline is connected to the inlet end of the deep electrolysis unit. A second pipeline is connected to the outlet end of the deep electrolysis unit, and the outlet end of the second pipeline is connected to the inlet end of the chemical dosing and purification unit. This equipment can efficiently perform sedimentation, filtration, and electrolytic removal of heavy metals from wastewater with high heavy metal content, effectively ensuring the treatment effect during wastewater treatment. It effectively combines physical sedimentation, electrolysis, and biological chemical dosing to achieve the main purification treatment of wastewater.

The utility model discloses an anode scrap crusher, which relates to the technical field of non-ferrous metal electrolysis equipment, and comprises a rack, a driving roller and a driven roller which are arranged in an inner cavity of the rack, and a belt wheel arranged on a driving roller shaft, two inclined guide grooves are respectively and symmetrically arranged on the left side wall and the right side wall of the rack, a shaft of the driving roller and a shaft of the driven roller are arranged in the two inclined guide grooves respectively, teeth are arranged on the driving roller and the driven roller, and the belt wheel is arranged on the portion, on the outer side of the rack, of the driving roller shaft. According to the utility model, the double rollers roll to drive the teeth on the rollers to be meshed to cut off the anode scrap, so that the toughness of the anode scrap is overcome, the crushing effect is good, and the noise is lower.

The invention provides an aluminum material purification refining furnace for non-ferrous metal remanufacturing, and belongs to the technical field of aluminum melting equipment, the aluminum material purification refining furnace comprises a furnace shell and a heat insulation bottom plate, an aluminum melting unit and a heat insulation layer are installed on the heat insulation bottom plate, and the heat insulation layer is arranged on the outer side of the aluminum melting unit in a sleeving mode. Wherein a heat insulation gap is formed between the aluminum melting unit and the heat insulation layer, an annular bracket is installed in the heat insulation gap, and a traction unit is installed on the furnace shell. The heat insulation gap is formed between the aluminum melting unit and the heat insulation layer, aluminum raw materials are put into the heat insulation gap, waste heat dissipated outwards by the aluminum melting unit is used for drying the aluminum raw materials, the aluminum raw materials are preheated, energy consumption is reduced, meanwhile, the aluminum raw materials can be gradually lifted to the top of the heat insulation gap through the lifting annular bracket, and the heat insulation effect is improved. And when the aluminum raw materials do not need to be added, the aluminum raw materials are always in a dry heat preservation state in the heat insulation gaps, and the situation that the surfaces of the aluminum raw materials adsorb moisture again due to the fact that the transferring time is too long is avoided.

The application provides a method for separating selenium tellurium from high-selenium tellurium dioxide through multistage conversion, and belongs to the technical field of non-ferrous metallurgy. The method comprises the following steps: a, material preparation; b, primary conversion leaching: selectively reducing selenium in a solution containing a reducing agent at pH 8-11 to obtain a selenium tellurium-containing residue and a primary leaching solution; c, secondary conversion leaching: selectively leaching tellurium in a strong alkaline solution containing a reducing agent to obtain elemental selenium and a secondary leaching solution; and d, neutralization treatment: combining the two leaching solutions and adding acid to obtain high-purity tellurium dioxide. The method is simple to operate, short in production cycle, and realizes efficient separation of selenium tellurium. The purity of the obtained elemental selenium is greater than or equal to 95%, the purity of the obtained tellurium dioxide meets the requirements of electrodeposition for producing 4N tellurium, and the method is suitable for large-scale production.

The utility model provides a sponge zirconium production passivation device, which relates to the field of non-ferrous metal sponge zirconium production smelting and comprises a box body, an air inlet pipe is fixedly mounted at one end of the box body, an air outlet pipe is fixedly mounted at the other end of the box body, and first drainage plates are fixedly mounted at the top of the inner wall of the box body at equal intervals; second drainage plates are fixedly installed at the bottom of the inner wall of the box body at equal intervals, and a closing plate is installed on one side of the box body through bolts. According to the drying box, air enters the box body through the air inlet pipe and is exhausted through the air outlet pipe fixedly installed at the other end of the box body after being dried, and the first drainage plates and the second drainage plates installed in the box body are alternately installed one by one, so that the air entering the box body can make more sufficient contact with a drying agent, and the air drying effect is better; and the sealing plate is taken down, the electric telescopic rod is started to push the drying agent out of the push plate, and then a new drying agent is added, so that the drying agent is more convenient to replace.

The present application relates to non-ferrous metallurgy and energy-saving and environment-protecting technical field, specifically relates to a copper electrolytic refining heat preservation-cooling-heat energy recycling integrated energy-saving system, central control unit is respectively connected with electrolytic cell composite heat preservation module, electrolyte intelligent cooling module, heat energy recycling module electricity, tank body heat preservation assembly is arranged on the outer wall of electrolytic cell, the tank surface sealing heat preservation assembly covers on the electrolytic cell liquid surface, circulating tank cooling assembly is communicated with electrolyte circulating pipeline of electrolytic cell, temperature monitoring unit is arranged in electrolyte circulating pipeline and circulating tank, heat energy recycling module includes heat energy capture assembly, heat energy transmission assembly and heat energy reuse assembly, heat energy transmission assembly is connected with heat energy capture assembly and heat energy reuse assembly respectively, the present application realizes the automation dynamic balance control of heat preservation-cooling-heating, controls electrolyte temperature fluctuation in a small range, effectively guarantees the crystallization quality of cathode copper.

The utility model discloses a kind of non-ferrous metal wastewater detection processing devices of hydrometallurgy, it is related to metal wastewater treatment technical field.The utility model includes liquid storage barrel, the inside of the liquid storage barrel is provided with cleaning mechanism.The utility model is provided with cleaning mechanism, after detecting wastewater solution, when driving motor drives rotating rod rotation, it will drive connecting sleeve and multiple scrapers to carry out synchronous rotation, and then make three scrapers to the dirt on the inner wall of liquid storage barrel is washed, ensure that the neatness of the environment in liquid storage barrel and the clarity of liquid solution, prevent the wastewater solution to be detected subsequently received pollution, in the process of connecting sleeve rotation, it will drive three sliding rods to carry out synchronous rotation, sliding rod drives internal screw block to rotate, so that internal screw block will move upwards or downwards when rotating, so that the inner wall of liquid storage barrel is washed by the cleaning brush on three connecting rods, cooperate three scrapers to further improve the cleaning effect of overall device.

This invention relates to the field of catalyst technology, specifically to an iron-based catalyst, its preparation method and application, and the FTO reaction. The catalyst comprises a support and an active component. The active component, expressed as an oxide, has the following general chemical formula: Fe 100 Mn a Nb b Cs c A d B e O x A is selected from Group VIII nonferrous metals and / or Group VIB elements; B is selected from La series elements; the value of a ranges from 30.0 to 130.0; the value of b ranges from 1.0 to 20.0; the value of c ranges from 0.1 to 10.0; the value of d ranges from 1.0 to 60.0; the value of e ranges from 0.1 to 10.0; x is the total number of oxygen atoms required to satisfy the oxidation states of each element in the catalyst. The iron-based catalyst of this invention exhibits excellent resistance to carbon deposition during use, and when used in the FTO reaction, it can achieve high CO feedstock conversion and C2-C4 olefin selectivity.

The invention belongs to the technical field of non-ferrous metal material preparation, and particularly relates to an AlMgSi optical reflector material and a preparation method and application thereof.The AlMgSi optical reflector material comprises, by weight, 0.4%-0.7% of Si, smaller than or equal to 0.08% of Fe, 0.15%-0.30% of Cu, 0.8%-1.1% of Mg, smaller than or equal to 0.01% of Cr, smaller than or equal to 0.001% of Ti and the balance Al and inevitable impurities; the preparation method of the AlMgSi optical reflector material comprises the following steps that soaking, extrusion forming, solid solution treatment and aging treatment are sequentially conducted on an AlMgSi alloy ingot, and the AlMgSi optical reflector material is obtained; the soaking temperature ranges from 480 DEG C to 520 DEG C, and the extrusion temperature of extrusion forming ranges from 300 DEG C to 350 DEG C; the AlMgSi optical reflector material disclosed by the invention has high hardness and low surface roughness at the same time.