296results about "Charge composition/state" patented technology

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 discloses steelmaking flue gas recovery and waste heat utilization equipment and a use method, and relates to the technical field of flue gas waste heat recovery. Dust in the steelmaking flue gas can be filtered through the filter cartridge before the flue gas enters the heat exchange mechanism, and then the clean flue gas is conveyed into the heat exchange mechanism, so that the inner wall of the heat exchange barrel can be kept in a clean state all the time, the dust in the steelmaking flue gas is prevented from being attached to the inner wall of the heat exchange barrel, heat transfer is prevented from being hindered, and the service life of the steelmaking flue gas is prolonged. The smoke dust scraping assembly can scrape off smoke dust attached to the inner wall of the filter cartridge, the self-cleaning effect can be achieved while the heat of the steelmaking smoke gas is recycled, and therefore the good filtering effect of the filter cartridge is always kept, and the scraped-off smoke dust can be collected in a centralized mode under pushing of an auger. When high-temperature flue gas passes through the heat exchange assemblies, the heat exchange assemblies can rotate around the axes of the heat exchange assemblies, so that surrounding clear water is disturbed, clear water at different positions is stirred and mixed, and water temperature areas at different positions are consistent.

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 provides a ceramic device positioning mechanism of ceramic sintering processing equipment, and relates to the technical field of positioning, the ceramic device positioning mechanism comprises a feeding guide rail, the left end and the right end of the feeding guide rail are fixedly provided with transmission plates; a transmission groove is formed in the outer side of the transmission plate; a supporting piece is installed on the top of the feeding guide rail in a sliding mode. And a T-shaped push rod is fixedly mounted at the rear end of the supporting piece. When the mounting piece and the limiting piece complete mission and restore outwards, the limiting stop block can automatically retract into the mounting piece under the guidance of a corresponding mechanical structure to relieve stopping and limiting of the limiting piece, and due to the design, when the limiting piece is not in a use state, a worker can rapidly and conveniently disassemble and assemble the limiting piece, and the working efficiency is improved. The problems that a positioning contact element is often fixedly installed on a positioning mechanism, in order to ensure the positioning accuracy and stability, a plurality of contact elements are usually arranged, and the process is tedious and time-consuming once the contact elements need to be replaced are solved.

A submerged combustion burner, a submerged combustion melter including the submerged combustion burner, and method of operating the submerged combustion burner are disclosed. The submerged combustion burner includes central burner tube and a heat pipe that surrounds and extends beyond a terminal end of the central burner tube. When received in a burner opening defined in a melting tank of a submerged combustion melter, the heat pipe of the submerged combustion burner is disposed between the central burner tube and the floor of the melting tank. The heat pipe transfers or pumps heat via a sealed working fluid to a cooling fluid that thermally communicates with the heat pipe exterior to the melting tank.

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 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.

A transfer apparatus includes a first transfer assembly configured to allow a plurality of objects to be introduced and including a plurality of first rollers and a first driver configured to drive the plurality of first rollers, a second transfer assembly including a plurality of second rollers, a plurality of alignment areas on the plurality of second rollers, and a plurality of second drivers configured to drive the plurality of second rollers, wherein a number of the plurality of alignment areas may correspond to a maximum number of the objects allowed to be introduced, and a third transfer assembly configured to allow the objects to discharge therefrom and including a plurality of third rollers and a third driver configured to drive the plurality of third rollers wherein the second transfer assembly further includes a first controller configured to individually control rotational speeds of the plurality of second rollers.

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 smelting, and particularly discloses an aluminum smelting furnace cover opening and slag salvaging integrated device and a using method thereof.The aluminum smelting furnace cover opening and slag salvaging integrated device comprises a base and a digital display control panel, two supporting rods are arranged on the upper side of the base, and a smelting furnace is rotationally arranged between the two supporting rods; a second rotating motor used for driving the smelting furnace to rotate is arranged on the supporting rod, and the output end of the digital display control panel is electrically connected to the input end of the second rotating motor. A furnace cover is detachably arranged on the smelting furnace in a rotary sealing mode, and through mutual cooperation and cooperation of the smelting furnace, the furnace cover, the lifting driving assembly, the hanging bracket assembly, the material stirring rod assembly, the double-spiral slag salvaging structure and the like, slag salvaging of residues on the upper surface of molten aluminum can be completed while the furnace cover is opened; therefore, excessive heat loss caused by too long opening time of the furnace cover is avoided, and automatic integration of smelting, cover opening, slag salvaging, molten aluminum discharging and residue removing of the aluminum smelting furnace can be achieved.

The invention discloses an aluminum bar heating furnace for aluminum alloy machining, and particularly relates to the technical field of aluminum alloy machining. A clamping rotating assembly and a bearing transfer unit are arranged, the bearing transfer unit is located between a first clamping base and a second clamping base, a driving roller provides supporting and guiding for the bottom of an aluminum bar, and the aluminum bar enters a hole groove in the first clamping base; a plurality of pressing wheels I are used for fixing one ends of the aluminum bars, and a plurality of pressing wheels II in the clamping seat II are used for fixing the other ends of the aluminum bars; after the roller seat descends once, the aluminum bar rotates, so that the heating is more uniform, and the aluminum bar is always positioned in the rotating center; then, fixing of the two ends of the aluminum bar is relieved, the aluminum bar moves downwards to make contact with a driving roller which descends at the first time, meanwhile, a first clamping base and a second clamping base are driven by a corresponding second transmission screw to slide in a limited mode along a movement groove, and the first clamping base and the second clamping base are far away from each other and completely separated from the two ends of the aluminum bar; and the roller seat descends for the second time, the center of the aluminum bar is consistent with the center of the outlet, and discharging of the aluminum bar is facilitated.

The invention discloses energy-saving lead smelting furnace equipment for storage battery production and a control method, and belongs to the technical field of storage battery production. The equipment comprises an upper tank body, a heating tank and the like, the upper tank body is connected with the heating tank through a flange, an excess material detection module is arranged on the bottom side of the upper tank body, a vertical heat absorption pipe body, a lead ingot discharging channel and a feeding cavity are arranged in the upper tank body, and a feeding manipulator is arranged in the top feeding cavity. The vertical heat absorption pipe body is communicated with the melting cavity and the feeding cavity, and the feeding cavity is provided with a temperature sensing module. The heat regeneration assembly comprises a main heat regeneration pipe and a plurality of heat regeneration branch pipes, the main heat regeneration pipe is provided with an airflow pump, and the branch pipes are provided with airflow electric control valves. The multiple supporting assemblies comprise telescopic drivers and supporting frames, the supporting frames are inserted into the lead ingot discharging channels, the vertical heat absorption pipe bodies are divided into preheating partition areas, and the non-uppermost side areas communicate with the heat return branch pipes. Continuous input of lead ingots can be guaranteed, heat energy loss is reduced, and the comprehensive utilization rate of heat energy of the lead smelting furnace is increased.

The invention relates to the technical field of alloy smelting, in particular to a non-vacuum smelting preparation method of Mn-based alloy, which comprises the following steps: smelting a metal material and a covering agent to form a continuous slag layer, and obtaining a plurality of partial pressure ratios of furnace mouth escape gas and a vibration spectrum of a furnace body according to an initial detection period; determining whether the partial pressure ratio and the vibration spectrum meet oxidation judgment conditions and vibration judgment conditions or not; determining a melt state and a slag layer protection state on the basis of an oxidation judgment condition and a vibration judgment condition, adjusting input power and slag layer parameters on the basis of the slag layer protection state in combination with the partial pressure ratio, and adjusting the content of a deoxidizing agent in a pre-deoxidation procedure; and the risk that the final manganese yield is not within the target range is determined based on the risk grade judgment result, the final deoxidation degree and the standing duration are adjusted, the initial detection period is shortened, and the manganese-based alloy is prepared through pouring. The smelting parameters are adjusted by identifying the states of the melt and the slag layer and combining the manganese feedback efficiency, and the manganese yield of the manganese-based alloy smelted under the non-vacuum condition is increased.

The invention discloses a waste heat recovery device for preparing ceramsite from industrial sludge, and belongs to the field of ceramsite preparation. The waste heat recovery device comprises a machine base, a charging barrel is arranged on the machine base, the two ends of the charging barrel penetrate through the machine base and are rotationally installed on the machine base, a spiral part is arranged on the inner wall of the charging barrel, a combustion chamber is fixedly installed on the machine base, and a water tank is fixedly installed on the machine base; one side of the combustion chamber communicates with and is provided with a gas supply mechanism passing through the water tank, the other side of the combustion chamber communicates with and is provided with a smoke exhaust mechanism passing through the water tank, high-temperature smoke is guided into the water tank through the exhaust pipeline, heat in the smoke is conducted to water in the water tank through the exhaust pipeline, and then heat in the water is conducted to the gas inlet pipeline. When the high-temperature flue gas passes through the water tank, the heat of the high-temperature flue gas is conducted into the water, so that the waste heat of the flue gas is utilized, and the waste of energy is reduced. The preheated air enters the combustion chamber, extra heat needed in the combustion process is reduced, and therefore energy consumption is reduced.

The invention discloses an electromagnetic induction smelting furnace and a steel smelting heating system and method.The electromagnetic induction smelting furnace comprises a furnace lining used for containing smelted furnace charge, and the furnace lining is in a barrel shape with an upward opening; the induction coil sleeves the radial outer side of the furnace lining and is used for introducing induction current to generate an induced magnetic field; the plurality of magnet yoke columns are uniformly distributed on the radial periphery of the induction coil so as to form a squirrel-cage-shaped structure; and the magnetic conductive disc is located below the bottom of the furnace lining, and the periphery of the magnetic conductive disc is connected with the magnetic yoke columns so that the magnetic conductive disc and the magnetic yoke columns can form a magnetic conductive path. The heating device has the advantage of being high in heating efficiency.

The application discloses a low-temperature firing method of mixed porcelain blanks, which comprises three stages. By controlling the kiln pressure, combustion-supporting wind, temperature-adjusting wind, natural gas flow and opening degree of each zone in each stage, the heating speed of each stage is controlled, the porcelain blanks prepared by dry and wet methods are fired together, the problem that the two kinds of porcelain blanks need to be fired respectively in the prior art is solved, the problem of main body cracking and burst of the porcelain blanks due to different water contents of the two kinds of porcelain blanks in the firing process is solved, and the firing efficiency is greatly improved under the premise of ensuring the quality of the porcelain blanks.

A melting furnace feedstock charger includes a charger conduit including an inlet to receive feedstock and an outlet at an outlet portion of the charger conduit to transmit feedstock, and an auger or other feedstock mover coupled to the charger conduit to convey feedstock in a direction from the inlet toward the outlet. A gate may be detachably coupled to the outlet portion of the charger conduit and configured to be coupled directly to a wall of a melting vessel. The auger may have a helical flight with an outer diameter of varying size. A stripper may be movably carried by the charger conduit and may include a stripping tool moved by an actuator with respect to the charger conduit to facilitate transmission of feedstock and / or to strip away clogged feedstock and / or molten material.

The application relates to the technical field of silicon nitride ceramic piece production, in particular to a silicon nitride ceramic piece nitriding treatment furnace and a treatment method thereof. The silicon nitride ceramic piece nitriding treatment furnace comprises a nitriding furnace body, a supporting frame arranged in the nitriding furnace body, a spray head arranged in the nitriding furnace body, a cross driving mechanism installed in the nitriding furnace body, a rotating assembly and multiple groups of lifting assemblies, the lifting assembly is connected with the spray head, the lifting assembly and the rotating assembly are alternately matched, the spray head can intermittently rotate along the circumferential direction of the silicon nitride ceramic piece and reciprocate along the length direction of the silicon nitride ceramic piece, a deflection assembly connected with the lifting assembly and the spray head, the deflection assembly can deflect the spray head to the movement direction of the spray head when the spray head moves, a supporting assembly connected with the supporting frame and the rotating assembly, two groups of jacks connected with the supporting assembly, and the two groups of jacks can alternately lift the silicon nitride ceramic piece when the rotating assembly moves, so as to accelerate the nitriding treatment speed and improve the nitriding treatment effect.

The present invention discloses a safe calcination system and method for secondary aluminum ash and the application of the calcined product, relating to the technical field of harmless treatment and resource utilization of aluminum ash, and solving the problems of kiln blocking and temperature out-of-control after the spontaneous combustion of aluminum ash during the calcination of secondary aluminum ash in the prior art. The safe calcination system of the present invention includes a first-stage rotary kiln provided with an aluminum ash and slag inlet, and a second-stage incinerator connected to the first-stage rotary kiln for heating and burning the aluminum ash. The second-stage incinerator is provided with a self-preheating recovery system. The method of the present invention includes: feeding the secondary aluminum ash into the first-stage rotary kiln for heating; then sending it to the second-stage incinerator, heating it first under an oxygen-deficient state at the front end, and then burning it at a high temperature under an oxygen-rich state at the rear end; the burned material is sent to the external heating jacket of the first-stage rotary kiln to provide heat for heating the material in the first-stage rotary kiln. The present invention creatively realizes the safe calcination of secondary aluminum ash with little or no addition of anti-caking agent. The obtained product has a high content of α-Al2O3, low energy consumption, and is environmentally friendly.

The invention belongs to the technical field of flue gas treatment, and particularly relates to a flue gas treatment device for red copper plate smelting production, which comprises a gas conveying mechanism, a liquid conveying mechanism, a filtering mechanism, a collecting mechanism and a control mechanism, the liquid conveying mechanism comprises a treatment box, a liquid inlet pipe and a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are fixedly mounted on the outer wall of the treatment box; the gas conveying mechanism comprises a gas conveying pipe and an exhaust pump, the gas conveying pipe is used for conveying cooled smelting flue gas into the treatment box, and the input end of the exhaust pump extends into an inner cavity of the treatment box and is located above the liquid level of the inner cavity of the treatment box in real time; the filtering mechanism comprises a supporting frame and a filtering cylinder arranged on the outer wall of the supporting frame, the supporting frame is detachably installed on the inner wall of the treatment box, and the filtering cylinder is made of an elastic material; the collecting mechanism comprises a collecting cylinder, a drainage plate and a scraping ring slidably arranged on the outer wall of the filter cylinder; through cooperation of the structure, the metal recovery efficiency and purity are improved, and the continuity of the treatment process and the resource recovery effect are both considered.

The invention discloses a molten lead anti-oxidation method based on inert gas dynamic protection. The molten lead anti-oxidation method comprises the following steps that firstly, gas pre-filling is conducted, wherein nitrogen is introduced into a lead melting furnace to replace air; secondly, feeding and lead melting are conducted; step 3, dynamic gas protection; fourthly, pouring forming is conducted; a relatively low-oxygen environment is created for subsequent lead melting operation by pre-filling nitrogen into a lead melting furnace, then nitrogen and argon are added in the initial stage of lead melting to ensure that molten lead is always covered by protective gas, and nitrogen, argon and hydrogen are added in the stable stage of lead melting, so that the stability of a gas protective layer can be maintained, and the service life of the lead melting furnace is prolonged. According to the high-temperature lead smelting method, the high-temperature lead smelting process can be guaranteed, it can be guaranteed that the reducing environment created by hydrogen continuously plays a role, oxidation of lead is further inhibited, the oxidation loss of lead in the high-temperature lead smelting process is remarkably reduced to 0.5% or below, waste of lead resources is reduced, the production cost is reduced, meanwhile, it is guaranteed that lead components are stable in the lead smelting process, and the consistency and stability of product quality are improved.

The application relates to the technical field of refractory metal material processing, in particular to a vacuum smelting system and method for high-purity molybdenum and a fiber-structure molybdenum material, the vacuum smelting system for high-purity molybdenum comprises a three-layer composite crucible, the vacuum smelting method for high-purity molybdenum comprises the following steps: step S1): under the condition of a vacuum degree of less than or equal to 5*10 ‑3 Pa, a three-layer composite crucible is used to perform consumable smelting on molybdenum raw materials; step S2): a directional solidification rate is controlled to be 8-12 mm / min, and a longitudinal temperature gradient is formed to be greater than or equal to 100 DEG C / cm; step S3): multi-stage plastic deformation is implemented on a solidified ingot, and a total deformation amount is greater than or equal to 90%; the fiber-structure molybdenum material is formed with a longitudinal continuous fiber structure in the material, a grain length-diameter ratio is greater than or equal to 10:1, a fiber diameter is less than or equal to 5 microns, hydrogen content is less than or equal to 5 ppm, oxygen content is less than or equal to 50 ppm, and a room-temperature tensile strength is greater than or equal to 780 MPa; the application can prepare high-purity fiber-structure molybdenum material, and improves the problem of insufficient axial performance caused by the isotropy of a traditional equiaxed crystal structure.

The invention discloses a ceramic glue discharging and sintering integrated furnace for 3D printing forming and an operation method. The integrated furnace comprises a furnace body, a supporting structure, a lifting driving mechanism, a sealing assembly and an atmosphere supply pipeline. The sealing assembly is composed of a movable sealing unit and a sealing pipe, and a closed space can be formed in the furnace body through lifting. The operation method comprises the steps of charging, closed space forming, atmosphere replacement, rubber discharging, carbon discharging, sintering and cooling, and whole-process integrated continuous treatment is achieved. By means of the dynamic sealing technology, biscuit transfer damage is avoided, the yield and production efficiency are remarkably improved, equipment investment and energy consumption are reduced, and the core problem existing in traditional step-by-step treatment is solved.

The invention relates to the field of smelting magnetic stirring, in particular to an aluminum alloy smelting magnetic stirring system which comprises a magnetic field sensing module, an anomaly detection module, a coupling output module and a database. The anomaly detection module extracts magnetic field signal features through a Morlet wavelet transform 1D-CNN and LSTM hybrid network, and identifies abnormal working conditions; the coupling output module constructs a four-field coupling equation based on FEM and CFD, introduces a modified turbulence model, and optimizes magnetic field parameters by taking flow velocity, temperature and impurity distribution uniformity as targets after discretization solution; accurate regulation and control and anomaly detection of the aluminum alloy smelting process are achieved, and the stirring effect and the process stability are improved.

The invention relates to the technical field of molten aluminum standing furnaces, in particular to an automatic slag discharging device of a molten aluminum standing furnace, which comprises a slag discharging mechanism, the slag discharging mechanism comprises a dross scraping mechanism and a deposited slag scraping mechanism, the dross scraping mechanism is arranged in a furnace body and used for scraping dross positioned in a square accommodating cavity to an outlet of the furnace body, and the deposited slag scraping mechanism is arranged in the furnace body and used for scraping deposited slag in a square accommodating cavity to an outlet of the furnace body. Deposited slag attached to the inner wall of the hemispherical containing cavity is scraped away; the slag removal device has the beneficial effects that the dross scraping mechanism and the deposited slag scraping mechanism are integrated through the slag removal mechanism, and dross on the surface of molten aluminum and deposited slag at the bottom of the furnace can be removed. Meanwhile, the deslagging mechanism is matched with the special structure combining the square containing cavity and the hemispherical containing cavity, and a remarkable synergistic effect is generated. Wherein the straight edge structure of the square accommodating cavity provides an ideal working surface for scraping dross, and the arc-shaped inner wall of the hemispherical accommodating cavity effectively promotes natural collection and concentration of deposited dross.

The present invention relates to the technical field of aluminum processing, and specifically relates to an aluminum profile smelting furnace, which includes a base. A pair of support plates are symmetrically and fixedly installed on the top surface of the base. The inner sides of the pair of support plates are fixedly connected to a smelting furnace body through a rotating shaft. One side of the inner bottom surface of the smelting furnace body is fixedly installed with a limiting rod, and the top end of the limiting rod is connected to the top surface of the smelting furnace body. The other side of the inner bottom surface of the smelting furnace body is fixedly connected to a threaded rod through a rotating shaft, and the end of the threaded rod penetrates through the top surface of the smelting furnace body and is fixedly connected to a crank. The present invention pours out the aluminum profile by tilting the smelting furnace body, which is safer compared to manual clamping. The present invention injects water into the placement box through a water injection pipe, thereby enhancing the adsorption force between the connecting rod and the arc-shaped groove, correspondingly increasing the resistance to sliding between the connecting rod and the arc-shaped groove, and improving the safety performance of the device. The present invention evaporates and absorbs heat through the water between the heat insulation plates, improving the heat insulation effect of the heat insulation plates.

The invention discloses a sintering kiln for special ceramic production, and relates to the technical field of ceramic sintering, the sintering kiln comprises a kiln, at least one sintering channel is arranged in the kiln, longitudinally distributed heating pieces are fixedly connected to the furnace wall of the kiln, motors symmetrically distributed along the kiln are fixedly connected to the kiln, and a motor output shaft on one side is fixedly connected with a first connecting shaft; a motor output shaft on the other side is fixedly connected with a second connecting shaft, at least one propelling belt is connected between the first connecting shaft and the second connecting shaft through a belt wheel, and at least one guiding belt is connected between the first connecting shaft and the second connecting shaft through a belt wheel. Rotating torque is generated through friction force between the guide belt and the ceramic body, so that the ceramic body rotates while moving backwards, uniform heating in the sintering process is achieved, the cracking risk caused by temperature difference is reduced, and the product yield is increased.