804results about "Charge treatment type" patented technology

The invention provides a performance optimization and regulation method for a high-temperature sintering furnace, and belongs to the technical field of intelligent regulation, and the performance optimization and regulation method comprises the following steps: arranging sensors in each heating area of the high-temperature sintering furnace, and monitoring the heating areas in real time; constructing a heating area operation state database, comparing the collected real-time data with a preset sintering process parameter range, and analyzing to obtain a performance analysis set of each heating area; establishing a three-dimensional heat conduction model, simulating heat flow distribution of each heating area under different heating powers and temperature settings, determining a thermal coupling effect of each heating area in different stages, and determining a heat transfer coefficient between adjacent heating areas; and an initial strategy of the high-temperature sintering furnace is determined, the initial strategy is optimized based on the auxiliary parameters of all the heating areas, and all the heating areas of the high-temperature sintering furnace are regulated and controlled according to the optimization strategy. The problems of inaccurate temperature control, single parameter analysis, insufficient thermal coupling effect processing and the like in the traditional regulation and control technology are effectively solved.

The invention belongs to the technical field of cement production, and particularly discloses a cement decomposing furnace temperature field simulation method based on digital twinning, and the method comprises the steps: firstly, carrying out the preliminary selection of input parameters according to a cement clinker sintering technology, and then building a time sequence data set from a decomposing furnace; secondly, data preprocessing is carried out through mean filtering and homogenization, and a time sequence data set is divided into a training set, a verification set and a test set; establishing a deep learning model for training to obtain a digital twin virtual model layer, and establishing a decomposition furnace geometric model for training to obtain a prediction model; and carrying out anomaly detection and prediction simulation on the input decomposition furnace variables by using the two trained models. According to the method, the decomposition furnace digital twinborn model is established through the decomposition furnace mechanism model and the data driving model, so that the method has the advantages of prediction capability, operation optimization, decision support and the like, temperature distribution and dynamic change in the decomposition furnace can be reflected in real time, and abnormal conditions in operation can be found.

The invention is suitable for the technical field of advanced powder metallurgy and ceramic material sintering, and provides an assembly line type flash sintering system and a sintering method. The system comprises a powder loading and pre-pressing module, a first automatic graphite paper pressing, paving and replacing module, a sintering module, a demolding and sampling module and a second automatic graphite paper pressing, paving and replacing module which are sequentially arranged in the material flowing direction, all the modules are connected through the vacuum switching module to form a continuous vacuum environment; the system further comprises a conveying system which is used for driving the sintering units bearing materials to sequentially flow among the modules. The continuous flash sintering device is suitable for carrying out efficient and full-automatic continuous flash sintering treatment on powder materials in a vacuum or protective atmosphere environment, the platform overturning risk can be fundamentally avoided, and the stability and safety of the sintering process are ensured.

The invention belongs to the technical field of circuit board metal smelting control, and discloses a circuit board metal smelting energy-saving parameter self-adaptive control system and method. The method comprises the following steps: carrying out real-time monitoring and fluctuation analysis on heating circuit voltage collected in unit time in the metal smelting process of the circuit board to obtain a voltage fluctuation level; processing the smelting state data acquired in unit time in the metal smelting process of the circuit board to obtain a smelting state characteristic data set, and identifying a current smelting stage; when the voltage fluctuation grade is greater than or equal to a preset voltage fluctuation grade threshold value, generating an energy-saving strategy control identifier in combination with the current smelting stage and the predicted smelting stage of the next unit time; dynamically adjusting energy-saving control parameters based on the voltage fluctuation grade, the smelting state characteristic data set and the energy-saving strategy control identifier; the intelligent self-adaptive control level of the circuit board metal smelting energy-saving parameters is enhanced, and energy-saving control is changed from passive execution to look-ahead response.

The invention relates to the technical field of zirconia ceramic sintering, and discloses a zirconia ceramic microwave single-die-cavity rapid sintering system and an intelligent temperature control method.The system comprises a high-temperature-resistant metal cavity, a microwave generation unit, a temperature detection and control unit, a coil base assembly and an auxiliary structure, and centralized control is achieved through an intelligent touch control computer. A microwave single-mode resonance mode is adopted, a silicon carbide wave absorbing layer is used for enhancing microwave absorption, materials are evenly heated from inside to outside, an intelligent temperature control method is used for monitoring the temperature in real time based on a short-wave infrared thermometer, a PI D control algorithm is combined, the power of a magnetron is dynamically adjusted through an adjustable power source, the temperature control precision reaches + / -2 DEG C, and the temperature control precision reaches + / -2 DEG C; the problems of non-uniform temperature, high energy consumption, high rejection rate, long sintering time and the like in a traditional zirconia ceramic sintering process are effectively solved, the production efficiency can be greatly improved, the cost is reduced, the product quality is improved, the equipment also supports multiple process modes, and diversified production requirements are met.

The invention relates to the technical field of aluminum melting furnaces, in particular to an aluminum ingot melting device which comprises a gas system and a melting system. The fuel gas system comprises a first gas cylinder, and compressed natural gas is contained in the first gas cylinder. The melting system comprises a melting furnace, the melting furnace is provided with a melting space, and a plurality of first combustion ports are formed in the side wall, corresponding to the melting space, of the melting furnace; when the aluminum ingot melting device works, an aluminum ingot in the melting space is rapidly heated to a first temperature, the aluminum ingot is in an unmelted state when the first temperature is reached, and after the first temperature is reached, unburnt compressed natural gas is directly blown to the aluminum ingot through the first burning port, so that the aluminum ingot is cooled and cracked or an oxide layer is cracked; after cooling for a preset time, heating the aluminum ingot with the cracked surface until the aluminum ingot is molten; according to the method, the aluminum ingot is rapidly heated to the non-molten state, then through rapid cooling and thermal expansion and cold contraction, an oxide layer is cracked or broken, the aluminum ingot is cracked and even broken, and the heating effect is improved through reduction of a subsequent heating oxide film or increase of the contact area.

The invention is suitable for the technical field of powder metallurgy and advanced ceramic material sintering equipment, and provides an integrated flash sintering device for vacuum and a sintering method. The device comprises a power supply module, a high vacuum module, a first servo hydraulic machine, a second servo hydraulic machine, a third servo hydraulic machine, a mold rotation switching module, a vacuum feeding module, a green body pressing module, a demolding and mold cleaning module and a mold transfer module. According to the invention, an integrated gear tray design is adopted to integrate the functions of die installation, graphite paper treatment and green body pressing, and online synchronous cleaning of an electrode and a die is realized through die fixation and a cleaning brush arranged in a cleaning drum; therefore, full-automatic, high-efficiency and high-stability continuous production of flash sintering from powder filling to finished product collection is realized.

The invention discloses a device and a method for preparing silicon nitride powder with high sintering activity by a self-propagating method. The method comprises the following steps: mixing silicon powder and silicon nitride powder to obtain a mixed raw material; putting a porous plate into a crucible, scattering magnesium powder on the porous plate, and stacking the mixed raw material on the magnesium powder; sealing and vacuumizing the crucible, then filling nitrogen, repeating the operation for a plurality of times, and keeping the nitrogen atmosphere and pressure in the crucible; igniting the magnesium powder in the crucible, and starting a self-propagating combustion reaction; and cooling the crucible to obtain the silicon nitride powder with high sintering activity. The device comprises an ignition system, a self-propagating autoclave and a temperature detection module, one end of the ignition system and one end of the temperature detection module extend into the self-propagating high-pressure kettle. According to the method and the device, a continuous ventilation low-pressure self-propagating method is adopted, sufficient nitrogen is ensured to participate in the reaction, the raw materials are completely reacted, the yield and the purity of the product are ensured, the alpha-phase content of the product is relatively high, and the self-propagating device is simple in structure and convenient to operate.

The invention provides an aluminum melting furnace door flue gas automatic control dust removal air volume system, and relates to the field of aluminum melting furnace flue gas purification treatment, and the system comprises a data acquisition and processing unit which is used for acquiring flue gas state data and furnace door state images at an aluminum melting furnace door, and identifying the current flue gas state grade and furnace door opening and closing degree of the aluminum melting furnace; determining a target concentration control threshold value; the air volume distribution unit is used for generating the total air volume adjustment amount by using an increment inversion and gain scheduling algorithm based on the flue gas state grade and the target concentration control threshold value, and performing air volume distribution processing on the multiple execution mechanisms by using a redistribution scaling pseudo-inverse method; and the air volume control unit is used for generating control instructions of the multiple execution mechanisms based on the air volume distribution result, sequentially transmitting the control instructions to all the execution mechanisms and executing air volume control. According to the invention, through combination of deep learning network identification and dynamic adjustment, real-time matching of the dedusting air volume and the flue gas volume is realized, and the operation cost of an enterprise is remarkably reduced.

The invention relates to the technical field of rotary kiln calcining equipment, in particular to a rotary kiln calcining method based on annular air curtain sealing, which comprises the following steps: S1, dynamic gap three-dimensional modeling: collecting a radial gap value between a kiln body flange end face and a static housing in real time through radial distance sensor groups uniformly distributed on the circumference; synchronously obtaining the axial displacement of the kiln body; constructing a dynamic gap three-dimensional topology model based on the angle distribution data of the radial gap value and the axial play vector; s2, generating a double-layer vortex air curtain; s3, dynamically regulating and controlling air curtain parameters; and S4, sealing efficiency closed-loop control is conducted, specifically, the escape dust concentration of the outer wall of the static housing is detected, and when the concentration exceeds the standard, the compensation coefficient of the reference flow velocity is increased according to the gradient, and the step S2 is executed again. The sealing effect of the rotary kiln is greatly improved by adopting a double-layer vortex air curtain sealing technology, dynamic gap modeling, air curtain parameter dynamic regulation and control and sealing efficiency closed-loop control.

The invention discloses a coal gangue distributed homogeneous high-temperature activation calcination method and system, and relates to the technical field of resources and environments, the system comprises a coal gangue powder preparation and feeding system, a coal gangue powder distributed homogeneous high-temperature activation calcination system, a high-temperature powder cooling system, a finished product collection system and a flue gas purification system; the coal gangue powder distributed homogeneous high-temperature activation calcining system comprises a primary cyclone preheating system and a distributed homogeneous high-temperature activation furnace; the air inlet end of the primary cyclone preheating system is communicated with the coal gangue powder preparing and feeding system, the primary cyclone preheating system is communicated with the homogeneous high-temperature activation furnace, materials in the distributed homogeneous high-temperature activation furnace are separated by the gas-solid cyclone separator and then are divided into two parts by the distributor, one part enters the high-temperature powder cooling system, and the other part enters the high-temperature powder cooling system; and the other part returns to the distributed homogeneous high-temperature activation furnace for circulation. According to the method, large-scale treatment of high-temperature activation and calcination of the coal gangue is realized, and the uniformity and controllability of product quality are remarkably improved.

The invention provides a sintering kiln, and belongs to the technical field of lithium iron phosphate powder production.The kiln comprises a roller way, a first furnace body and a second furnace body are arranged on the roller way, and guide parts are arranged on the two sides of the roller way; the stop lever is arranged on the guide part and is used for stopping the saggar; the stirring mechanism is arranged between the first furnace body and the second furnace body and comprises a mounting plate which is erected above the roller way and moves in the length direction of the roller way, a stirring rod is vertically and slidably arranged on the mounting plate in a penetrating manner, a stirring paddle is arranged at the lower end part of the stirring rod, a limiting part is arranged on the stirring rod, and the limiting part is located above the stirring paddle; the bottom of the dustproof cover is open, a cover body is formed on the outer edge of the bottom of the dustproof cover, the stirring rod slidably penetrates through the top of the dustproof cover, and the limiting part is located below the top of the dustproof cover; and the driving part is arranged on the mounting plate and is used for driving the stirring rod to move along the axial direction and rotate around the axial direction. The sintering kiln can quickly remove moisture in the lithium iron phosphate powder, improves the overall sintering efficiency, and has low energy consumption cost at the same time.

The invention is applicable to the field of advanced manufacturing of powder materials, and provides flash sintering equipment for high current and high pressure, which comprises a power supply module, a pressure generation module, a support frame, a high vacuum module, a jacking module, a sintering unit and a conveying module. The sintering unit is provided with a sintering platform, a floating die module and a floating lower punch module and is guided through an upper guide column and a lower guide column. The jacking module jacks the lower electrode through a lead screw to push the floating lower punch module and the floating die module to move upwards along a guide column to be separated from the platform, and floating butt joint is achieved; the pressure generation module drives the upper punch to press downwards through the upper electrode and applies pressure to the sample, and the power supply module applies sintering current at the same time. Through the design of the floating module in non-rigid connection, the pressing force is prevented from being transmitted to the sintering platform, the equipment is prevented from overturning, and the stability of the sintering process is improved; and the whole station switching of the sintering unit is realized in combination with the conveying module, so that the continuous automatic production capacity of the equipment is improved.

The invention relates to the field of sintering furnaces, and discloses an atmosphere box type glue discharging sintering furnace with a rapid cooling function, the atmosphere box type glue discharging sintering furnace comprises a furnace body, a heating mechanism and an air supply mechanism, the heating mechanism and the air supply mechanism are arranged in the furnace body, the heating mechanism is arranged at the top of a furnace cavity, and the output end of the air supply mechanism is connected with the inner side face of the furnace body; the air supply mechanism supplies air from left to right or from right to left after the heating mechanism is started for a preset time, hot air circulation is formed in the furnace cavity, a rotatable furnace door is arranged on the front end face of the furnace body, a ventilation hole plate is arranged on the inner wall of the furnace door, and a heat preservation layer is arranged behind the ventilation hole plate. By improving an existing hot air circulating system, the problem that the subsequent heat dissipation efficiency is low due to the design of a heat preservation layer is solved; by setting the time sequence and direction of an air supply path, circulation and discharge of hot air are achieved, furnace temperature is evenly distributed in the heating stage, residual heat is rapidly taken away after heating is stopped, and the overall heat dissipation efficiency is improved.

The present invention relates to the technical field of sintering production process control, and discloses an optimized control method and system for stabilizing the sintering end cross-section, which acquires the sintering end distances of each interval of the current cross-section and the strokes of each pressure plate above the round roller feeder; when the sintering end distances of some intervals are less than the preset sintering end distance, it is judged whether the stroke of the pressure plate in the current interval reaches the upper limit, and the consistency of the sintering end position and the end cross-section is adjusted by coordinately controlling the stroke of the pressure plate and the valve opening of the main exhaust fan, so that the sintering end is controlled at the target position, and the stroke of the pressure plate in each interval is controlled to change the thickness of the material layer, and the sintering time from top to bottom of the material layer is adjusted, which is a longitudinal adjustment method. Adjusting the valve opening of the main exhaust fan can change the end position state of the entire cross-section of the sintering pallet at the same time, which is a transverse adjustment method. Considering from two dimensions of longitudinal and transverse, the coordinated optimization adjustment of the sintering end target position and cross-section consistency is realized.

The dust hood comprises a cover body, a lifting device and a heat insulation part, the lifting device and the heat insulation part are arranged on the cover body, a suction cavity and a suction opening are formed in the cover body, the suction opening is formed in the suction cavity and used for being connected with a suction fan, the lifting device comprises a driver and a driving rod, and the driver drives the driving rod to reciprocate. The heat insulation piece is connected to the driving rod and comprises a top plate and a side plate, and the side plate is connected to the lower end of the top plate; when the dust removal cover is arranged on a furnace body of the medium-frequency induction melting furnace in a covering mode, the driving rod drives the heat insulation piece to abut against the end face of a furnace opening of the medium-frequency induction melting furnace, and the periphery of the cover body is arranged above the end face of the furnace opening of the medium-frequency induction melting furnace in a spaced mode. Therefore, heat of the smelting furnace and external low-temperature air can be isolated through the heat insulation piece, the effect of sucking smoke can be achieved, the heat of the smelting furnace can be prevented from being taken away by the low-temperature air, the heat loss of the smelting furnace is greatly reduced, and the smelting cost is reduced.

The invention relates to the technical field of aluminum alloy smelting, in particular to an aluminum alloy smelting furnace deslagging device which is characterized in that a moving frame is arranged on the outer side of a smelting furnace, a lifting mechanism is arranged on the moving frame, and a deslagging mechanism is arranged on the lifting mechanism; through cooperation of the lifting mechanism and the slag discharging mechanism, the operation radius of operators can be enlarged, threats to the operators caused by splashing of high-temperature molten aluminum are avoided, and the purpose of stably covering the fished dross can be achieved; through cooperation of the lifting mechanism and the slag discharging mechanism, dross on the surface of molten aluminum can be guided and driven to the edge of the smelting furnace in the slag salvaging process, and the dross is rapidly gathered to the edge of the smelting furnace; through cooperation of the moving frame and the slag discharging mechanism, flexible moving and receding of the slag discharging mechanism can be achieved, so that development of other procedures in the aluminum alloy smelting process is facilitated, stable positioning of the slag discharging mechanism can be achieved, and auxiliary dumping of fished-up dross can be achieved.

The invention provides a plasma beam heating-based cold crucible suspension smelting device and smelting method. The plasma beam heating-based cold crucible suspension smelting device comprises a plasma beam emitter and a cold crucible main body, the cold crucible main body is of a split type water cooling structure, a cold crucible water path is arranged in the cold crucible main body, a cooling water jacket is arranged on the outer side of the bottom of the cold crucible main body, the cold crucible water path is communicated with the cooling water jacket, a detachable crucible plug is further arranged at the bottom of the cold crucible main body, and the shape of the crucible plug is matched with that of an opening in the bottom of the cold crucible main body; an induction coil is arranged around the outer side of the cold crucible main body; a first electric shaft driving device is mounted on the plasma beam emitter, and a second electric shaft driving device is mounted on the cold crucible main body. The plasma beam emitter emits plasma beams to directly heat metal materials in the cold crucible, the superheat degree of a molten pool of the cold crucible can be effectively increased, metal materials with higher melting points can be molten after the superheat degree is increased, crystal structures in the metal can be refined, the mechanical properties of the alloy can be improved, and the purity of the alloy can be improved.

The invention provides a pulverized coal temperature nuclear fusion composite glow flame burner, and relates to the field of cement production. The burner comprises: a metal elbow; the thermonuclear fusion excitation assembly comprises a metal shell, a metal electrode, an insulating connecting piece and an electrode tip; an opening is formed in the portion, located in the metal bent pipe, of the metal shell. The metal electrode is arranged in the metal shell and is connected with the metal shell through the insulating connecting piece; the metal shell is provided with a conveying pipe communicated with an inner cavity of the metal shell, a conveying channel is arranged in the metal electrode, one end of the conveying channel penetrates through the outer side wall of the first end of the metal electrode to form an air outlet, the electrode tip is arranged at the air outlet, and the electrode tip is provided with a flow guide through hole communicated with the conveying channel. The conveying channel communicates with an air supply valve set. By actively constructing the plasma field, the combustion stability in the starting stage, the low-load working condition or the kiln condition fluctuation can be remarkably improved, meanwhile, nuclear energy gain is fully utilized to achieve energy conservation and consumption reduction, and the problems of insufficient combustion and flameout are effectively avoided.

The invention relates to the technical field of metallurgy, one embodiment of the invention provides an environment-friendly and energy-saving smelting furnace for metallurgy, the environment-friendly and energy-saving smelting furnace for metallurgy comprises a smelting table and a smoke cylinder, a smelting barrel is fixedly mounted on the inner wall of the smelting table, and a fixing frame is fixedly mounted at the top of the smelting table; an energy-saving device used for circulating waste gas generated by the equipment and saving energy is arranged on the surface of the smelting barrel and comprises a first motor, the first motor is fixedly installed on the surface of the smelting barrel, a first rotating disc is fixedly installed at the output end of the first motor, and a second rotating disc is rotatably installed on the inner wall of the smelting barrel. A rotating shaft fixedly penetrates through the surface of the second rotating disc, and a second motor is fixedly installed on the surface of the fixing frame. By means of the technical scheme, the technical problem that in the prior art, when materials in equipment are smelted, heat can be possibly conducted to the outside through the inner wall of the equipment, and then energy consumption of the equipment is affected is solved.

The present invention relates to the technical field of smelting furnace devices, and particularly relates to a beryllium copper aluminum alloy smelting furnace, which includes a base; a smelting furnace assembly that can be rotated to a non-vertical state with respect to the base; an upper cover assembly that is arranged on one side of the smelting furnace assembly and can be rotated to the upper end face of the smelting furnace assembly to cover the upper end face of the smelting furnace assembly; a feeding assembly that is arranged on the other side of the smelting furnace assembly and can be rotated to the upper end of the smelting furnace assembly to add raw materials into the smelting furnace assembly; a first rotating motor is located on the same side as the feeding assembly, and its output shaft is connected to the first lifting cylinder. A cleaning motor is connected to the piston rod of the first lifting cylinder through a first connecting rod, and a cleaning brush is connected to the output shaft of the cleaning motor through the connecting plate. By adding raw materials into the smelting furnace assembly through the feeding assembly, the present invention avoids the danger generated when manually adding materials directly.

The invention relates to the technical field of smelting furnaces, in particular to an efficient copper refining smelting furnace and a slag reducing method thereof.The efficient copper refining smelting furnace comprises supporting legs, a heating box and a supporting shell, a supporting plate is arranged at the tops of the supporting legs, and the supporting shell is arranged at the top of the heating box; the stirring mechanism comprises a motor, the motor is fixedly arranged in the supporting shell, a driving shaft is arranged at one end of the motor, and a plurality of groups of driving grooves are formed in the outer side of the driving shaft; the oxygen increasing mechanism comprises an extrusion component, the extrusion component comprises an extrusion rod, an extrusion block is arranged at one end of the extrusion rod, materials can be well stirred through the arranged stirring mechanism, uneven distribution of all elements in the smelting furnace is prevented, in the rotating process of the stirring mechanism, the stirring mechanism can intermittently reciprocate, and therefore the stirring efficiency is improved. Therefore, the mixing efficiency is improved, the oxygen supplementing efficiency of the oxygenation mechanism can be improved, and the combustion efficiency is improved.

The invention belongs to the technical field of kilns, and particularly relates to a large-scale top-loading dynamic calcining kiln which comprises a kiln body, the kiln body is of a vertical structure, a calcining area is arranged in the kiln body, a pusher is arranged at the bottom of the kiln body, and the large-scale top-loading dynamic calcining kiln is characterized in that a feeding port is formed in the top of the kiln body, the upper portion of the feeding port is communicated with a storage bin, and an electric valve is arranged on the feeding port; a material flow divider is arranged below the feeding hole, and a preheating dehydration area, a calcining area and a cooling area are sequentially arranged below the flow divider; a plurality of groups of internal heating type combustion units are arranged in the calcining area side by side, two or more layers of combustion chambers are arranged in each internal heating type combustion unit, a horizontal duplex flame path is arranged below each combustion chamber, a smoke chamber is arranged above each horizontal flame path, and a smoke hole array with an outlet facing downwards at an included angle of 25 degrees is formed in the side wall of each smoke chamber; the top of the internal heating type combustion unit is provided with a full-length sharp ridge, and the included angle of the top of the sharp ridge is 60 degrees. The method has the advantages that the problem of calcination of light magnesium oxide products with different granularities in the magnesite is solved, and the large-scale production target of annual output of 100,000 tons is met.

The present invention relates to a vertical-retort reduction furnace for producing metal magnesium, comprising: a furnace body defining a furnace chamber (2), and vertical retorts (6) arranged in the furnace chamber (2), wherein the vertical retorts (6) each comprise a hollow straight cylindrical retort body (6-3); the retort body (6-3) defines, in an upper portion, a first crystallizer chamber (6-7) for receiving a crystallizer (7), and defines a second chamber (6-8) located below the first crystallizer chamber (6-7); the vertical retorts (6) each are provided with a top opening (6-10) and a bottom opening (6-6); the diameter of the bottom opening (6-6) is equal to the diameter of the second chamber (6-8). The vertical-retort reduction furnace further comprises bin assemblies (10), wherein the bin assemblies (10) each comprise an upper bin (10-1) allowing for filling of a pellet material (8) and a lower bin (10-4) for slidably receiving the upper bin (10-1). The present invention also relates to a method for producing metal magnesium by using the vertical-retort reduction furnace.

The invention discloses a packaging tunnel furnace convenient to clean, and belongs to the technical field of drying equipment. In order to solve the problems that due to the design of a bottom air duct of an existing tunnel furnace, cleaning and maintenance are complex, and sediment easily causes potential safety hazards, the thermal cycle baking device is integrated at the upper end of equipment and comprises a heat preservation wall, a circulation assembly and an air duct assembly which are detachably connected. The circulation assembly and the air duct assembly of the thermal circulation baking device are integrated at the upper end of the device, the detachable heat preservation wall, the packaging plate and other structures are adopted, a bottom protection assembly does not need to be disassembled during cleaning, the air duct and inner wall sediments can be directly contacted only by disassembling part of modules from the side direction or the upper portion of the device, the shutdown maintenance time is greatly shortened, and the maintenance efficiency is improved. The technical defects that in the prior art, a bottom air channel is complex to disassemble and consumes long time are overcome. The hot air is transversely and parallelly blown to the packaged objects in the carrier through the air guide assembly, the curing and drying uniformity of the packaged objects in the carrier is ensured, and therefore the quality of the packaged objects is improved.

The invention relates to the technical field of high-temperature melt temperature monitoring, and discloses a top-blown furnace high-temperature melt temperature and splashing online monitoring system and method, and the system comprises a top-blown furnace data acquisition module, a furnace body splashing data calculation module and a smelting process control module. The method comprises the following steps: transmitting detected data to a data calculation module in real time; performing interface reconstruction on the real-time data to obtain the specific condition that the melt is splashed to the wall surface, and realizing visualization of impact of the melt on the furnace body according to the specific condition that the melt is splashed to the wall surface; the visual data is transmitted to the smelting process control module; and on the basis of the molten pool temperature distribution and the melt splashing condition, the flow of pulverized coal, dry powder and gas is adjusted, a melt temperature liquid level model is constructed, the molten pool temperature and the melt splashing condition are evaluated, and the smelting process is controlled according to the evaluation result. According to the method, the smelting quality problem caused by melt splashing and uneven temperature can be reduced.

The invention is suitable for the technical field of material sintering, and provides a floating type sintering platform demolding and sampling device which comprises a sintering platform, a floating lower electrode module, a floating mold module, a lifting mold frame, a demolding and mold cleaning module and a sample collecting and electrode cleaning module. The lifting mold frame is provided with a first platform and a second platform, and the first platform penetrates through the floating lower electrode module through a first limiting groove to jack the floating mold module to a set height; the sample collecting and electrode cleaning module slides to the position below the mold module through the second limiting groove, and sample receiving and electrode cleaning are achieved. High-temperature online demolding can be achieved, the sample breaking risk is reduced, and the breaking problem caused by the difference of thermal expansion coefficients is avoided; the device integrates demolding, mold cleaning, electrode cleaning and sample collecting functions, is compact in structure, reduces the occupied area and complexity of equipment, prolongs the service life of the mold and the electrode, and improves the sample quality.

The invention discloses a smelting process and device for treating high-nickel copper concentrate. The smelting process comprises four stages of smelting, blowing, anode refining and slag dilution. In the smelting stage, the high-nickel copper concentrate is added into a smelting furnace to be smelted, and high-nickel matte, flue gas and smelting slag are produced; the high-nickel matte produced in the smelting stage is fed into a converting furnace for converting, and crude copper, flue gas and converting slag are produced by adopting a new calcium-silicon slag type; the crude copper directly flows into an anode furnace for anode refining to produce an anode plate; and blowing slag flows into a dilution furnace for dilution to produce high-grade nickel matte. The method solves the problem that the high-nickel copper concentrate cannot be treated on a large scale in current industrial production.

The invention relates to the technical field of neodymium iron boron sintering equipment, and discloses neodymium iron boron sintering temperature control equipment which comprises a furnace body and a vacuum system, the furnace body is sequentially provided with a degreasing area, a sintering area and a tempering area which are physically separated in the material conveying direction, and double-open heat insulation doors are installed between the areas; an induction coil heating assembly is installed in the sintering area, and a partition type resistance heating assembly is embedded in the side wall of the hearth in the circumferential direction. According to the neodymium iron boron sintering temperature control equipment, the partition type resistance heating assembly comprises a plurality of independent heating units, the heating units are distributed along the circumference of the hearth wall of the furnace body in an array mode, the independently-controlled heating units are distributed in a circumferential array mode, accurate temperature control can be conducted on different areas of the hearth, and the temperature control efficiency is improved. When the laser thermodetector detects that the temperature of a certain area is low, the control system can independently increase the heating power of the corresponding heating unit, and the temperature uniformity of the whole sintering area is ensured.

The invention provides an energy-saving smelting furnace structure, and relates to the technical field of smelting furnaces, the energy-saving smelting furnace structure comprises a smelting furnace body, a lifting furnace cover is arranged above the smelting furnace body, a waste residue storage box is fixedly connected to the side surface of the smelting furnace body, a furnace cover bracket is vertically welded above the lifting furnace cover, and a lifting push cylinder is fixedly connected above the furnace cover bracket; the smelting furnace has an automatic slag salvaging function, slag is discharged to the slag storage box through the slag discharge port when the smelting furnace is closed, floating impurities in molten liquid are removed, the cover does not need to be opened manually to remove the floating slag, heat loss in the smelting furnace opening process is reduced, energy consumption of the smelting furnace is reduced, and the problem that when an existing smelting furnace is used for smelting metal, the cost is low is solved. The problems that a furnace cover needs to be opened to add metal materials in the smelting process, heat loss is caused, energy consumption is not reduced, and in the metal smelting process, a smelting furnace needs to be opened to fish and separate dross floating on the upper layer, heat loss is caused, and energy consumption is not reduced are solved.