22results about How to "Improve sintering efficiency" patented technology

The utility model relates to the technical field of ceramic sintering, and discloses a low-temperature fast-firing conductive ceramic microwave-assisted sintering device which comprises a microwave sintering furnace and a furnace chamber arranged on the microwave sintering furnace, the furnace chamber comprises a sintering chamber, a placing frame is connected in the furnace chamber in a sliding mode, and the placing frame comprises placing plates and sealing plates which are fixed alternately. The sealing plate is used for shielding the furnace chamber; the placing frame is arranged in the furnace chamber of the microwave sintering furnace, the placing frame is formed by alternately fixing the placing plates and the sealing plates, a plurality of conductive ceramics can be placed on the placing plates, the placing frame is moved to enable the conductive ceramics to sequentially enter the sintering chamber of the furnace chamber to be sintered, and the conductive ceramics are directly moved out after being sintered. The efficient sintering of the conductive ceramic is realized by adopting a reciprocating translation mode, the conductive ceramic is convenient to take, and the sintered conductive ceramic is still sintered when the sintered conductive ceramic is taken, so that the sintering efficiency is improved, and the phenomena of heat dissipation and energy waste caused by repeatedly opening the furnace chamber are avoided.

The utility model relates to the field of sintering furnaces, in particular to a sintering furnace capable of improving the sintering yield. Comprising a furnace body, two furnace doors are installed on one side of the furnace body, an adjusting structure is arranged in the furnace body and comprises two lead screws, the two lead screws are rotationally arranged on the two sides of the furnace body in a penetrating mode respectively, the arc surfaces of the lead screws are in threaded connection with adjusting rings, a plurality of sliding plates are fixedly connected to one sides of the adjusting rings, and the sections of the sliding plates are in a convex shape; the arc face of the lead screw is slidably connected with a sliding ring, an annular hole is formed in one side of the sliding ring, and the inner wall of the annular hole is slidably connected with the sliding plate. The sintering furnace capable of improving the sintering yield has the advantages that sintered solar cells of different sizes can be stably fixed in the furnace body, and the stability of the sintering process is improved; the solar cell can be automatically controlled to rotate in the sintering process, so that each part of the cell is uniformly exposed under a heat source, local internal temperature difference is avoided, and the sintering efficiency is improved.

The utility model relates to the technical field of sintering equipment, and improves the sealing effect of a sintering machine seal in the prior art. The sealing device comprises a first sealing strip which is connected with a bottom plate of a sintering pallet and extends in the length direction of a ventilation opening in the bottom of the sintering pallet; the second sealing strip is arranged on the top plate of the sintering air bellow and extends in the length direction of the air suction opening in the top of the sintering air bellow; the first sealing strip and the second sealing strip are correspondingly arranged in an attached mode so as to form dynamic sealing. Through the dynamic fitting design of the first sealing strip and the second sealing strip, good sealing performance is always maintained in the operation process of the sintering machine, the air leakage phenomenon is effectively reduced, the sintering efficiency is improved, and the energy consumption is reduced.

The utility model relates to the technical field of lithium battery positive electrode materials, and discloses a pretreatment sagger and sintering equipment. The lithium layer is arranged at the bottom of the sagger body and is suitable for preventing lithium from being absorbed by the sagger body in the sintering process; the lithium layer is composed of one of lithium carbonate, lithium hydroxide or lithium oxide and is fixed to the bottom of the sagger body. The sintering equipment comprises a sintering furnace; the saggar bearing frame is arranged in the sintering furnace and used for fixing and arranging the multiple pretreatment saggars. The gas circulation system is used for introducing inert gas or reducing gas into the furnace in the sintering process so as to prevent lithium from being oxidized. The lithium layer can reduce direct contact between the sagger body and lithium, so that corrosion and abrasion of the sagger are reduced, and the service life of the sagger is prolonged.

The utility model discloses a novel burning end net which comprises grids and bearing columns, the number of the grids is two layers, the bearing columns are arranged between the adjacent grids, the grids are square grids, the bearing columns are arranged corresponding to the four corners and the central position of the square grids, the total number of the bearing columns in a single layer is five, and the bearing columns in a single layer are high-temperature-resistant bearing columns. According to the sintering end net, the periphery and the middle of the sintering end net are supported, stacking of the sintering end net is achieved, two layers of to-be-sintered end products can be sintered at a time, the sintering efficiency can be improved, meanwhile, sintering of more to-be-sintered end products can be achieved at a time, energy consumption can be remarkably reduced, and meanwhile the sintering quality is not affected.

The invention relates to the field of heat treatment equipment, in particular to a sintering furnace with a preheating function, which comprises a sintering furnace body, a sealing cover, a holding furnace and the like, the sintering furnace body is connected with a sealing cover; a heat preservation furnace is installed on the sintering furnace body. Two different furnace bodies including the sintering furnace body and the heat preservation furnace are arranged, two temperature areas are divided, the sintering furnace body is kept in high-temperature operation all the time, the heat preservation furnace is used for preheating materials, preliminarily cooling the sintered materials and transferring the materials in the different temperature areas, and therefore uninterrupted continuous sintering treatment is achieved; the problem that in the prior art, a large amount of time is consumed due to the fact that a single sintering furnace body is directly heated and cooled is solved, the sintering efficiency is effectively improved, waste heat of the sintering furnace body is used for preheating materials, additional heating equipment is not needed, and therefore the heat energy utilization rate is increased, and the heat transfer speed is increased.

This utility model provides a high-efficiency self-sealing sintering trolley, including trolley wheels, mounting plates, grate bars, side panels, and trolley beams. Multiple side panels are provided, each including an upper side panel and a lower side panel. The back of the upper and lower side panels are respectively provided with mounting grooves located at the lower end of the back of the upper side panel and the upper end of the back of the lower side panel. Bolts are installed in the mounting grooves, and the upper and lower side panels are fixedly connected by bolts. A front sealing block is provided at the front connection point of the upper and lower side panels. One side of the front sealing block has a guide post, and the other side has a connecting hole. By setting a front sealing block and a rear sealing plate between the side panels, the front sealing block seals the transverse connection between the upper and lower side panels, and the rear sealing plate seals the assembly connection between multiple side panels, effectively improving the sealing performance of the trolley, reducing air leakage, thereby increasing sintering efficiency and reducing energy consumption.

The application discloses a high-performance aluminum nitride ceramic rapid sintering method and belongs to the technical field of ceramic materials, and comprises the following steps: preparing ceramic raw materials according to a formula: uniformly mixing high-purity aluminum nitride powder, a sintering aid, a hydrolysis-resistant agent and a solvent, and drying under a nitrogen atmosphere; the ratio of the high-purity aluminum nitride powder, the sintering aid and the hydrolysis-resistant agent is 1:1%-3%:0.5%-1.5%; primary sintering of the ceramic: heat-press sintering the uniformly mixed aluminum nitride powder under a neutral or reducing atmosphere at 1650-1850 DEG C and a pressure of 20-30 MPa for 10-60 min, so that the density of the aluminum nitride powder reaches more than 99%; secondary sintering of the ceramic: sintering the primary-sintered aluminum nitride ceramic under a reducing atmosphere at 1850-2000 DEG C under normal pressure for 1-6 h. The prepared aluminum nitride ceramic not only has high heat conduction performance, but also has high sintering efficiency; meanwhile, the problem of waste gas generated in the degreasing process is avoided, and the environment is protected.

The invention relates to a static sintering process and system for preparing high-whiteness and high-purity aluminum hydroxide, and the static sintering process comprises the following steps: firstly, taking a raw material crushed to process control fineness as a pre-powder material, carrying out raw material preparation and blank forming on the pre-powder material to obtain a blank, sintering the blank to obtain clinker, carrying out clinker dissolution on the clinker to obtain slurry, and sintering the slurry to obtain the high-whiteness and high-purity aluminum hydroxide. Carrying out slurry desilication, carbon component reaction, hydrogen-aluminum separation and drying on the slurry to prepare high-whiteness and high-purity aluminum hydroxide; wherein the raw materials comprise solid wastes such as fly ash; the blanks are sintered into six polygon prism-shaped blanks which are stacked in two rows and three groups, the blanks are roasted in an industrial tunnel kiln in a temperature programming mode, and the roasting temperature ranges from 800 DEG C to 1100 DEG C. According to the invention, solid wastes such as fly ash, coal gangue, carbide slag and the like, pulverized coal and sodium carbonate are crushed into materials with the same fineness, high-whiteness and high-purity aluminum hydroxide can be obtained through an alkaline static sintering process, the recovery rate of aluminum in the solid wastes is about 90%, and harmless, resource and synergistic utilization of the solid wastes such as fly ash and the like is realized.

The application discloses a kind of ceramic material microwave sintering process intelligent control method, system and storable medium, wherein method includes: obtaining the working state parameter and adjustment parameter of ceramic material at the same time, and data preprocessing is carried out;Multiple classifier models are constructed based on machine learning algorithm, the working state parameter and adjustment parameter after preprocessing are formed training sample, and are input to multiple classifier models for training, to obtain the mapping relationship corresponding to multiple working state parameters and adjustment parameters;A decision machine model is constructed, multiple mapping relationships are input to the decision machine model, to obtain the data model of working state parameter and adjustment parameter, realize the sintering process of ceramic material is controlled;The present application can realize microwave sintering process to realize fast, accurate control.

This invention belongs to the field of iron and steel smelting technology, specifically providing a sintering system, its control method, computer equipment, and a readable storage medium. The control method includes: determining the total carbon input of the sintering system based on the raw material mass at the feeding mechanism and the gas / fuel gas flow rate at the ignition mechanism; determining the total carbon emissions of the sintering system based on the gas flow rate, carbon dioxide content, and carbon monoxide content in the flue; obtaining the carbon consumption by subtracting the total carbon input from the total carbon emissions; determining whether the carbon consumption is less than a preset threshold for the total carbon input; if the carbon consumption is less than the preset threshold, determining that the combustion process is incomplete and generating a reminder message. This invention determines whether sintering is complete by calculating the overall carbon consumption of the sintering system and reminds the user to analyze the reasons for incomplete sintering, effectively improving the sintering efficiency of the sintering system and reducing sintering costs.

The application discloses a converter steel slag tailing sintering utilization method, wherein steel slag tailing with a particle size range of 0-10 mm is air-dried for 5-10 days to reduce the water content to below 7%; the air-dried steel slag tailing is further classified into steel slag tailing with a particle size of >5 mm and <5 mm; the steel slag tailing with a particle size of <5 mm is dried to a water content of below 2% and is sent to a ball mill to be ground into steel slag tailing with a particle size of <3 mm; after magnetic separation, non-magnetic steel slag tailing with a particle size of <3 mm is obtained and is uniformly mixed with biomass fuel at a mass ratio of (18-20):1; the obtained steel slag tailing with a particle size of >5 mm, the non-magnetic steel slag tailing obtained in step (3) and the biomass fuel mixture, mixed ore, sintering flux, return ore and fuel are fully mixed at a proper ratio to obtain sintering mixture for producing sintered ore; the application overcomes the adverse effects of adding steel slag in the sintering process and has the product advantages of high strength, low energy consumption and low cost compared with conventional methods; and the application provides a method for recycling converter steel slag tailing.

The oscillating hot-pressing sintering process and equipment based on single and bidirectional switching includes single-direction oscillating hot-pressing, in which one end of the upper and lower pressure heads is locked, and the other end is used to implement single-direction oscillating hot-pressing on the sintered material; and bidirectional synchronous oscillating hot-pressing, in which the upper and lower pressure heads move synchronously, and implement synchronous bidirectional oscillating hot-pressing on the sintered material. The equipment includes a hydraulic station for providing a hydraulic power source, an upper pressure head and an upper pressure head cylinder, a lower pressure head and a lower pressure head cylinder, a reversing switching valve group for switching the working state of oscillating hot-pressing, and two control valve groups for controlling the pressure and flow of the pressure head cylinder. The input end of the reversing switching valve group is connected with the hydraulic station, the reversing switching valve group has two output ends, and the two output ends are connected with the upper pressure head cylinder and the lower pressure head cylinder through a control valve group, respectively. The oscillating hot-pressing sintering process and equipment based on single and bidirectional switching has the advantages of effectively improving the sintering quality, controllable cost, high efficiency and wide application range.

The utility model discloses a conductive ceramic low-temperature fast sintering furnace based on infrared radiation, which relates to the technical field of low-temperature sintering furnaces and comprises a furnace body and a furnace door, the furnace door is laterally and rotatably connected to the side wall of the furnace body, a base is arranged in the furnace body, a bearing piece is placed at the upper end of the base and comprises a bearing plate, and the bearing plate is arranged on the furnace body. A fixing frame is fixed to the upper end of the bearing plate. The utility model discloses a conductive ceramic low-temperature-speed sintering furnace based on infrared radiation. By forming the through holes in the frame and arranging the aluminum foil reflecting film on the side face of the fixing frame, the penetration and reflection effects of infrared radiation are enhanced, heat loss is reduced, and the sintering efficiency is improved; the distance between a clamping plate and a supporting rod of the adjusting assembly can be flexibly adjusted, small-size ceramics can be supported, large-size ceramics can be stably supported, and the applicability is improved; and the porous aluminum plate is adopted as the bearing plate, so that the heat gradient is reduced, and the cracking risk caused by uneven thermal stress of the ceramic is reduced.

The utility model discloses optical fiber preform sintering equipment which comprises an outer furnace body and an inner furnace core tube, a plurality of heating bodies are fixed to the inner wall of the outer furnace body through connecting pieces and are sequentially arranged in the length direction of the inner furnace core pipe. A sealing cover arranged above the opening in a covering manner is mounted at the top of the outer furnace body; a connecting rod is arranged on the sealing cover in a sealing and penetrating manner; the side wall of the outer furnace body is connected with an outer furnace exhaust pipe, the sealing cover is connected with an inner furnace exhaust pipe, the bottom of the inner furnace core pipe is communicated with an air inlet pipe, and the air inlet pipe penetrates out of the outer furnace body in a sealed mode. The utility model has the advantages that the loose body of the prefabricated rod can be uniformly sintered through the heating bodies, and the unburned bad area of the loose body of the prefabricated rod is improved in a targeted manner; the sintering equipment disclosed by the utility model is a vacuum furnace integrating dewatering and sintering functions, and compared with a traditional double-furnace structure, the occupied space of a furnace body is reduced.

The utility model discloses a grate bar for sintering machine, including long strip shape body, left and right two upper support structures and two lower support structures, have two mutually perpendicular symmetry plane. The top surface thickness of long strip shape body is greater than the bottom surface thickness, and the front side and rear side of long strip shape body are symmetrically arranged, and the top surface of long strip shape body is provided with cylindrical crossbeam along the length direction, the diameter of crossbeam section is greater than or equal to the top surface thickness of long strip shape body, one upper support structure is arranged at the both ends of crossbeam respectively, and two upper support structures are symmetrically arranged, and the upper surface of upper support structure is in the shape of arch, and the outside part of upper support structure is stretched out long strip shape body and forms upper support arm, and the inside part of upper support structure is located above long strip shape body and is connected with the transition of crossbeam, and the highest point of upper support structure is higher than crossbeam. The grate bar structure of the patent can improve the support strength of the grate bar, reduce the deformation and fracture of the grate bar in the sintering process, and obviously prolong the service life of the grate bar.

The utility model discloses a high-frequency sintering device for soft magnetic ferrite materials, which comprises a sintering furnace, a top cover is arranged on the upper side of the sintering furnace, a gas chamber is arranged at the bottom of the sintering furnace, and a sintering chamber is mounted in the sintering furnace; the connecting frame is arranged on the upper side of the sintering chamber, a wall scraping structure is arranged on the lower side of the connecting frame, an ignition opening is formed in the outer side of the sintering chamber, a limiting block is arranged at the lower end of the sintering chamber, a protection seat is arranged on the outer side of the limiting block, and a guide rod is arranged on the lower side of the sintering chamber. According to the high-frequency sintering device for the soft magnetic ferrite material, multiple heat sources are arranged in the high-frequency sintering device for the soft magnetic ferrite material, the sintering efficiency of the soft magnetic ferrite material is effectively improved, meanwhile, a wall scraping function is arranged in the high-frequency sintering device for the soft magnetic ferrite material, and the soft magnetic ferrite material is effectively prevented from remaining on the inner wall; and full sintering of the soft magnetic ferrite material is facilitated.

The utility model relates to sintering furnace field discloses a furnace structure that can improve furnace sintering loading capacity, including first graphite box, the first graphite box inner wall both sides longitudinality is equipped with 15 groups first insertion site groove, and first insertion site groove position of first graphite box inner wall both sides one to one corresponds, first graphite box inside includes first graphite board, green body, ceramic flat plate and product, green body both sides outer wall is equipped with metal outer wrapping piece, the utility model discloses, the directional gyro wheel of green body lower extreme is aimed at the slide groove of first graphite board upper end, and green body both sides are located in the long strip opening of first graphite box both sides now, and the green body is pushed into first graphite board upper end, and the remaining two groups green body, ceramic flat plate and product are stacked in turn and are completed, this structure can avoid directly pushing in green body, ceramic flat plate and product and stacking and depositing, and the product contacts the green body that pushes in newly, causes the emergence of the situation that the product shifts or even falls.

The utility model relates to metal processing equipment technical field discloses a kind of metal powder vacuum sintering furnace of temperature control is convenient, including vacuum furnace body, workpiece loading platform and bottom plate, workpiece loading platform lower end surface and the vacuum furnace body inner bottom surface are fixed, and the vacuum furnace body lower end surface and the bottom plate upper end surface fixed connection bottom plate upper end surface fixed connection have electric heater and pulse current generator;Vacuum furnace body inner wall surface fixed connection has three groups of heating coil pipes, and three groups of the heating coil pipe are evenly distributed along the circumferential direction of vacuum furnace body;The input end and output end of three groups of the heating coil pipe are connected with the electric heater to form independent loop by high-temperature resistant wire. The device can rapidly and uniformly heat metal powder, and optimize its sintering effect and microstructure by electric pulse treatment, improve density and mechanical properties;At the same time, real-time monitoring temperature and air pressure ensure the accurate control of sintering process, improve quality and efficiency.

The application relates to a silver-coated copper particle, a preparation method thereof and application of the silver-coated copper particle in sintering paste, and belongs to the field of sintering materials. The application solves the problem of high sintering temperature of high-temperature solder in the prior art. The silver-coated copper particle is prepared by a multi-step chemical synthesis method, that is, silver-coated copper particle suspension is prepared first, and then a silver complex solution, a second chelating agent solution and a complexing agent solution are used to realize gradient structure evolution of the silver layer from compact to porous by controlling the release and reduction rate difference of silver ions, the surface of the silver-coated copper particle has a multi-stage pore structure, the contact resistance between particles can be effectively reduced, the sintering starting temperature can be effectively reduced, the poor oxidation performance of copper particles is solved, the silver consumption is reduced, the manufacturing cost is reduced, the ion migration path length and the electromigration life are increased, the silver-coated copper particle prepared by the application greatly meets the requirements of the electronic packaging field for new welding materials, and has remarkable social and economic benefits.

The utility model belongs to the technical field of sintering application, and particularly discloses a continuous type rapid hot pressing sintering device which is composed of an electric cylinder, an upper cross beam, an insulating gasket, a set of conductive copper bars, an automatic powder filling assembly, a middle die assembly, a gravity sensor, two sets of limiting rods, a pressing head fixing base, a lower cross beam, two sets of stand columns and the like. The sintering furnace has the beneficial effects that the sintering time can be remarkably shortened and the sintering efficiency can be improved by combining the effects of high temperature and high pressure, so that the requirement of large-scale production is met; by optimizing the heating and sintering modes, unnecessary energy loss is reduced, the overall energy consumption is reduced, and the current energy-saving and environment-friendly development trend is met; the sintering process can be ensured to be uniform and stable, so that the compactness, strength, wear resistance and other performance indexes of the product are improved; the sintering process is simplified, equipment requirements are reduced, the automation degree of a production line is improved, and the production cost is reduced.

The utility model provides a kind of zirconium disc sintering furnace, including sintering furnace, moving mechanism, tray loading mechanism and heating assembly, sintering furnace is set up, and sintering furnace inside has the heating chamber of bottom opening setting, moving mechanism is closed and is set in the bottom of heating chamber, and moving mechanism is movably set along transverse direction, tray loading mechanism is connected on moving mechanism, and tray loading mechanism has multiple tray loading spaces of vertical interval arrangement, heating assembly includes multiple heating unit groups built-in in heating chamber, each side wall of heating chamber is all installed and is connected with heating unit group, each heating unit group includes multiple heating units. Such as using the multiple tray loading spaces of tray loading mechanism can simultaneously load more quantity of zirconia disc, greatly improve sintering efficiency, under the action of moving mechanism, convenient transportation, so that zirconia disc is after being transported to heating chamber by each side wall heating unit group around heating, evenly sinter, guarantee better sintering effect.