53results about How to "Reduce temperature gradient" patented technology

This invention relates to the field of ultra-high performance concrete (UHVPC) curing technology, and more particularly to an intelligent temperature-controlled curing method for UHVPC. The method includes the following steps: generating preliminary temperature-controlled curing data for concrete based on UHVPC mix proportion parameters and temperature-controlled curing requirements data; analyzing the distributed temperature field characteristics of the pouring nodes using UHVPC pouring node data to generate distributed temperature field characteristic data for the pouring nodes; analyzing the temperature evolution and hydration state of the pouring node temperature field based on the distributed temperature field characteristic data and the preliminary temperature-controlled curing data to generate temperature evolution and hydration regulation state data; and performing dynamic temperature-controlled curing analysis on the preliminary temperature-controlled curing data to generate dynamic temperature-controlled curing data for the concrete. This invention achieves intelligent temperature-controlled curing by combining the application of UHVPC.

This invention relates to transition layer materials and welding processes for welding dissimilar steel and aluminum materials, belonging to the field of welding technology. The transition layer material for welding dissimilar steel and aluminum materials of this invention comprises a copper layer, a copper alloy layer, and a zinc alloy layer arranged sequentially; the copper layer is adjacent to the steel base material, and the zinc alloy layer is adjacent to the aluminum base material; the copper content in the copper alloy layer is 62.0%-64.0%; the zinc content in the zinc alloy layer is 89.0%-91.0%; the mass ratio of the copper layer, copper alloy layer, and zinc alloy layer is (0.9-1.1):(2.3-2.7):(1.8-2.2). By sequentially setting the copper layer, copper alloy layer, and zinc alloy layer between the steel base material and the aluminum base material, a gradual transition from the steel base material to the aluminum base material is achieved, effectively avoiding the formation of brittle Fe-Al intermetallic compounds during direct welding, and enhancing the mechanical properties and durability of the welded joint.

This utility model belongs to the field of evaporator technology and discloses a high heat exchange efficiency microchannel heat exchange structure ice mold evaporator, including an evaporator body. Multiple microchannel heat exchange tubes are fixedly installed on the inner side of the evaporator body, and multiple microchannel holes are opened at the bottom of the evaporator body. Diversion pipes are fixedly installed on the left and right sides of the evaporator body. The comprehensive application of the microchannel heat exchange structure, inner surface strengthening treatment, and outer surface fin design significantly improves the heat exchange efficiency of the evaporator. Compared with traditional evaporators, the ice-making speed can be increased, producing the same amount of ice in a shorter time, meeting the demand for rapid ice making. High heat exchange efficiency means that, under the same ice-making capacity, the required refrigeration compressor running time is shortened, and energy consumption is reduced. Actual testing shows that using the evaporator of this utility model reduces the energy consumption of the ice-making system, effectively reducing operating costs.

The invention relates to the technical field of artificial intelligence, and discloses a method for adaptively adjusting the ratio of an improver based on an AI (artificial intelligence) algorithm, according to the method, multi-field parameters are obtained by using a composite material micro pile embedded with a sensing array, and the evolution trend of a stratum is predicted through a heat-water-force multi-field coupling evolution model. And an artificial intelligence algorithm calculates a modifying agent proportion vector changing along with depth according to a prediction result, and drives a grouting system to adjust the concentration of the active component. And the physical boundary of the micro pile group is utilized to guide a flow field to form a transverse overlapping reinforcing belt. The phase change component in the modifier releases latent heat at a preset temperature, and intervenes in formation heat balance in cooperation with physical heat barrier of the micro piles. And the system executes parameter inversion through measured data and updates an algorithm weight. According to the method, accurate matching of the treatment scheme and stratum heterogeneity is achieved, frost heaving deformation of the foundation is effectively restrained, and the structural stability of the high and cold large-thickness foundation is guaranteed.

The utility model discloses a printing carrier plate and a photovoltaic cell, and belongs to the technical field of photovoltaic cells. The printing support plate comprises a support plate body and a film layer arranged on the surface of at least one side of the support plate body, and the film layer comprises at least one of a metal film layer and a polymer film layer; the printing carrier plate further comprises a groove array, and the groove array penetrates through the film layer and extends to the carrier plate body in the thickness direction of the printing carrier plate. According to the utility model, the quality of groove laser etching can be improved.

A cooling and molding apparatus for carbon-carbon composite materials relates to the field of composite material manufacturing technology, addressing the problem in existing technologies where precise control of cooling temperature is difficult, easily leading to stress concentration within the carbon-carbon composite material. The apparatus includes a cooling cylinder with a cover at its top, the top of which is connected to a gas storage cylinder via a gas supply pipe. An inlet pipe and an outlet pipe are fixedly connected to the outside of the cooling cylinder. The inlet pipe is connected to a cold water tank via an inlet pump, and the outlet pipe is connected to a first water storage tank via an outlet pump. Both the cold water tank and the first water storage tank are housed within the machine body, which also contains a second water storage tank. A main control device is connected to the side wall of the machine body. The advantages are: it allows the cooling process to be divided into multiple stages and dynamically adjusts the cooling water flow rate, avoiding stress concentration during the cooling process.

This invention provides a molding die for a composite satellite fairing, comprising: a main female mold (1), a front support base (2), and a rear support base (3); the main female mold (1) includes a molding curved template (4), a porous reinforcing rib plate (5), base mounting feet (6), and a back venting structure (7). This invention enables uniform heating of the double-curvature structure, thereby reducing curing deformation and improving the appearance molding quality. This invention designs the size of the vent holes in the back reinforcing ribs of the large-size fairing mold through iterative analysis of the thermal flow field. As the distance in the heat flow direction increases, the cross-sectional area of ​​the vent holes gradually decreases, allowing more heat flow to accumulate in the mold's location away from the heat source, reducing the temperature gradient on the back of the mold in the heat flow direction, resulting in a uniform mold surface temperature and reduced curing deformation.

The application provides a net forming method of Ti / Ti laminated material, comprising the following steps: step S1, uniformly mixing flaky graphite powder and titanium alloy raw materials of different sizes, then smelting to obtain an ingot, forging and rolling the ingot into a rod, and then using a plasma rotating electrode atomization method to prepare the rod into TiC composite (alpha+beta) titanium alloy powder; step S2, drying industrial pure titanium, TiC composite (alpha+beta) titanium alloy and (alpha+beta) titanium alloy powder, preheating a substrate, and under an argon protective atmosphere, sequentially laser melting and depositing the industrial pure titanium layer, the TiC composite (alpha+beta) titanium alloy layer, the (alpha+beta) titanium alloy layer and the TiC composite (alpha+beta) titanium alloy layer on the substrate from bottom to top; step S3, repeating step S2 at least four times to obtain a formed piece, and annealing to obtain a laminated material. Through the construction of the industrial pure titanium / TiC composite (alpha+beta) titanium alloy / (alpha+beta) titanium alloy laminated structure, the final Ti / Ti laminated material has medium-high strength and high impact toughness.

This disclosure relates to an infrared heating device for vacuum thermal testing. The infrared heating device includes: multiple plate units, heating wires, and connectors. The surface of each plate unit has multiple mesh openings and wiring grooves distributed between the mesh openings; the heating wires are embedded in the wiring grooves via a heat-conducting medium; the connectors are located on the plate units near the ends of the heating wires; the connectors are used to detachably electrically connect the heating wires to conductors, which are connected to an external power source; the multiple plate units can be detachably assembled to form a continuous radiating surface and enclose a heating chamber adapted to the shape of a spacecraft; the heating wires generate heat when energized and transfer the heat to the plate units via the heat-conducting medium; the plate units transfer external heat flow to the spacecraft surface through thermal radiation. This disclosure, through modular design and assembly, enables the infrared heating device to possess high flexibility and adaptability.

The present application relates to the technical field of auxiliary structure of cubic press, in particular to a temperature control device of cubic press, which is applied to cubic press, and the cubic press comprises six top hammers, each of which is provided with small and large pads, and a steel ring is detachably sleeved on the top hammer, the small and large pads and the top hammer; the temperature control device of cubic press comprises a cooling liquid pipe, each top hammer is provided with a cooling liquid pipe, both ends of the cooling liquid pipe pass through the small pad, and the cooling liquid pipe is detachably arranged on the steel ring, the cooling liquid pipe is configured to receive external cold liquid, thereby breaking through the heat transfer bottleneck of traditional indirect cooling of steel ring, so that the heat of the top hammer can be directly radiated through the cooling liquid pipe, while significantly reducing the interface thermal resistance and material thermal conductivity loss in the heat conduction path, the temperature stability of the superhard material synthesis process is ensured, and the synthesis efficiency and product quality are improved.

This utility model discloses a motor based on heat dissipation material, including: a stator, a rotor, and a housing. The stator and rotor are disposed inside the housing, and the housing is provided with heat dissipation channels. The heat dissipation channels are connected to a coolant circulation component, which is equipped with a heat exchange component. By providing heat dissipation channels on the housing and connecting the coolant circulation component and the heat exchange component, the coolant circulation component can carry away heat from the heat dissipation channels, while the heat exchange component dissipates the heat carried by the coolant to the outside, significantly improving the heat dissipation efficiency of the micro motor, helping to reduce the motor's operating temperature and extend its service life. Furthermore, the housing is a high thermal conductivity ceramic composite material composed of an aluminum nitride ceramic matrix and silicon carbide whiskers, which has excellent thermal conductivity and can dissipate heat from inside the motor in a short time, significantly reducing the temperature gradient inside the motor, preventing local overheating, and maintaining stable operation of all components.

The invention discloses a low-power-consumption MEMS constant-temperature crystal oscillator based on a diamond heat conduction layer, and relates to the crossing field of a micro electro mechanical system and a frequency control device. Comprising an MEMS resonator containing a diamond heat conduction layer and a heating element, the MEMS resonator containing the diamond heat conduction layer comprises a resonator chip and the diamond heat conduction layer, and the resonator chip and the diamond heat conduction layer are metallurgically bonded through a wafer-level bonding process. The area of the diamond heat conduction layer is matched with the heating area of the resonator chip; and the heating element is arranged in an area close to the diamond heat conduction layer and is used for outputting heat required by temperature rise of the resonator chip. The constant-temperature crystal oscillator is used for solving the technical bottlenecks that an existing constant-temperature crystal oscillator based on an MEMS resonator is too long in preheating time, high in power consumption, limited in frequency stability due to temperature gradient and the like.

The invention provides a collaborative optimization method for a magnetic-thermal composite field assisted laser cladding process. According to the method, a magnetic-thermal composite field-assisted laser cladding device is designed based on an energy field-assisted laser cladding process principle and is used for improving the structure and performance of a coating; the method comprises the following steps: generating a quadratic polynomial regression model on the basis of an RSM method, magnetic-thermal composite field assisted laser cladding process parameters and nickel-based composite coating quality evaluation indexes, performing multi-target optimization on the coating quality evaluation indexes on the basis of the quadratic polynomial regression model and an IMOGWO algorithm, determining a magnetic-thermal composite field assisted laser cladding target process parameter combination, and determining the quality of the nickel-based composite coating. And score calculation is carried out on the target process parameter combination based on an EWM-TOPSIS method to obtain a comprehensive evaluation sequence of the target process parameter combination, so that collaborative optimization of the magnetic-thermal composite field assisted laser cladding process is realized, and the performance optimization efficiency and quality of the nickel-based composite coating are improved.

The application provides a kind of micro-channel flow field mapping-based energy storage battery cluster dynamic uniform temperature control method, device and medium, belongs to energy storage thermal management and intelligent control technical field. Time series state vector and thermal response vector are constructed by collecting battery cluster operation data to form micro-channel flow field-thermal response data set. A flow-thermal coupling state evolution model is constructed, including an encoding module and a prediction module, and a prediction model is obtained after training. Based on the model, a thermal potential equilibrium objective function is constructed, and a control vector is optimized in combination with the flow field reconstruction constraint. The flow field distribution of the micro-channel liquid cooling system is adjusted in real time, and the model is updated online and adaptively. This method improves the temperature uniformity of the battery cluster while reducing energy consumption, enhances the adaptability of the system to complex working conditions and long-term operation, and realizes precise thermal management and intelligent control.

The utility model provides a multi-cavity earphone sleeve injection mold, which belongs to the technical field of molds, and comprises a main runner, branch runners, cavities and a cooling water channel, the main runner is positioned at the central position of the mold, the branch runners are symmetrically distributed by taking the main runner as the center and respectively extend to each cavity, the cavities are symmetrically arranged, and the cooling water channel is arranged between the cavities. And the cooling water channels are tightly attached to the cavity and are symmetrically arranged according to the cavity. According to the utility model, the multiple cavities are symmetrically arranged, and the cooling water channels are arranged according to the layout of the cavities, so that the cavities are symmetrically arranged during use, the consistency of injection molding pressure and melt flow is ensured, the deformation of the mold caused by non-uniform stress during injection molding can be effectively reduced, and the flow path and heat exchange condition of cooling liquid around the cavities are similar; therefore, the temperature gradient of each point on the surface of the cavity is reduced, the imbalance of cooling time in the injection molding period and the product molding defect are reduced, and an efficient mold solution is provided for injection molding production.

This utility model discloses a surround-type sleeve heating device and a wire harness assembly line. The surround-type sleeve heating device includes a main body and a heating mechanism connected to the main body. The heating mechanism includes a heating component and a power supply element. The heating component is electrically connected to the power supply element. The heating component is provided with a heating cavity with an opening, through which the component to be heated can enter the heating cavity. The heating cavity can completely or partially surround the component to be heated. The wire harness assembly line using the above-mentioned surround-type sleeve heating device has the advantages of good heating uniformity, high heat utilization rate, and precise control of the heating range.

The utility model discloses an adsorption type heat pump system directly driven by steam. The adsorption type heat pump system comprises a first adsorption bed, a second adsorption bed, an evaporator, an ammonia circulation pipeline and a condenser, the first adsorption bed is communicated with the second adsorption bed through a throttling valve, and the other end of the first adsorption bed and the other end of the second adsorption bed are communicated with an ammonia circulation pipeline through a two-position four-way reversing valve to form an adsorption bed heat exchange fluid loop; the first adsorption bed is connected with the evaporator and the condenser through a vacuum valve; the second adsorption bed is connected with the evaporator and the condenser through a vacuum valve; the evaporator is connected with an external heat source, and the condenser is connected with the first cooling tower. According to the system, ammonia is used as a heat exchange medium of the adsorption bed, isothermal adsorption and desorption of the adsorption bed in the adsorption and desorption process are achieved through latent heat transfer of isothermal evaporation / condensation, the temperature gradient of the adsorbent in the working process is reduced, the heat transfer temperature difference is small, and the adsorption and desorption rate of the adsorbent and the operation stability of the system are effectively improved.

The utility model relates to liquefied natural gas (LNG) long distance transportation and cold energy utilization technical field, concretely is a kind of LNG long distance transportation system based on composite heat insulation and dynamic cold preservation, LNG long distance transportation system equipment include: upstream LNG receiving station storage tank, LNG long distance transportation pipeline, downstream LNG receiving station storage tank, propane-liquid nitrogen exchanger, open rack type gasifier, LNG comes out from upstream receiving station storage tank, enters downstream receiving storage tank by long distance transportation pipeline, after propane-liquid nitrogen exchanger and open rack type gasifier temperature rising gasification again, enter natural gas pipe network, for downstream user use, the utility model utilizes propane-liquid nitrogen cold screen to carry out active intervention type heat preservation, block most of the heat entering inner tube, to reduce the gasification of LNG in inner tube, improve economic benefit.

The invention relates to a welding protection device for automobile part machining, and relates to the technical field of welding devices.The welding protection device comprises a workbench, a mechanical arm installed on the workbench and an electrode holder arranged on the mechanical arm, an electrode holding rod is arranged on the electrode holder, and an electrode cap is arranged on the electrode holding rod; the electrode holding rods comprise the first holding rod arranged on the welding pliers in a sliding mode and the second holding rod arranged on the welding pliers, the two electrode caps are oppositely arranged, and the workbench is provided with a power piece for driving the first holding rod to slide, a regulation and control assembly for adjusting the temperature of the spot welding nugget and a water cooling assembly for cooling the electrode caps. The method has the advantages that long-time continuous welding machining is achieved, the production efficiency is improved, and meanwhile the mechanical property of welding spots and the appearance quality of workpieces are improved.

The utility model relates to the technical field of batteries, and discloses a temperature control structure of a lithium battery, which comprises a shell, the top of the shell is fixedly connected with a top cover, the middle of the top cover is fixedly connected with a positive electrode, the bottom of the shell is fixedly connected with a negative electrode, and the inside of the shell is fixedly connected with a metal hollow rod. A roll core is arranged in the shell, cooling fins are fixedly connected to the outer side of the metal hollow rod, a cooling chamber is fixedly connected to the interior of the shell, a cooling pipe is fixedly connected to the interior of the cooling chamber, a dustproof cover is arranged at the top of the cooling chamber, and an opening and closing assembly is arranged in the cooling pipe. The heat dissipation effect is controlled according to the temperature change. According to the utility model, through the cooperation of the radiating fins, the metal hollow rods, the radiating holes, the radiating pipes, the sliding blocks, the radiating grooves, the radiating chambers and other structures, the rapid active heat transfer is realized, the temperature gradient is reduced, the thermal runaway is prevented, and the safety is improved.

This invention relates to a keyed terminal block for a temperature calibration system, comprising an electrically insulated terminal support with N flexible clamps and N tellurium copper conductive plates. Each flexible clamp includes a pressing handle, a clamp head, a pivot, and a torsion spring. The pressing handle is hinged to the support plate, and the two arms of the torsion spring abut against the tail of the pressing handle and the base plate, respectively. The clamp head is fixed to the head of the pressing handle. Pressing the tail of the pressing handle moves the clamp head away from the conductive plates, creating a wire release gap. After releasing the pressure, the spring's restoring force drives the clamp head and the conductive plates to clamp the wire together. This invention uses tellurium copper with a low Seebeck coefficient, effectively solving the problem of poor calibration repeatability caused by high parasitic thermoelectric potential. The elastic compensation of the torsion spring automatically adapts to thermal expansion and contraction, maintaining stable contact and resisting vibration-induced loosening, avoiding poor contact due to improper operating force, and improving measurement accuracy.

This invention discloses a method for producing 8011 aluminum alloy flat ingots using a graphite crystallizer, comprising the steps of graphite crystallizer preparation, smelting, casting, sawing, and milling. The graphite crystallizer uses graphite plates prepared by hot isostatic pressing, with a carbon mass fraction ≥99.9%, density 1.6–1.85 g / cm³, average graphite particle size <25 μm, thermal conductivity 80–130 W / (m·K), porosity 13–15%, and a graphite plate thickness of 10–20 mm and a height of 95–105 mm. The large-face water cavity of the crystallizer has a length of 2450–2550 mm and a height of 155 mm, while the small-face water cavity has a width of 500–670 mm and a height of 155 mm. The cooling water pressure is controlled at 0.25–0.50 MPa. This invention improves the production quality of 8011 aluminum alloy flat ingots, reduces the defect rate, extends the service life of the crystallizer, and increases production efficiency and product qualification rate by precisely optimizing the material and structural parameters of the graphite crystallizer and designing smelting, casting, sawing and milling processes that are compatible with 8011 aluminum alloy.

The application discloses a high-vacuum multilayer composite heat-insulating liquid hydrogen conveying pipeline, which comprises an inner tube, an outer jacket tube is sleeved outside the inner tube, a relatively closed vacuum area is formed between the outer jacket tube and the inner tube, a first composite heat-insulating layer, a second composite heat-insulating layer and a third composite heat-insulating layer are sequentially sleeved outside the inner tube from inside to outside, a tube screen is arranged between the first composite heat-insulating layer and the second composite heat-insulating layer and between the second composite heat-insulating layer and the third composite heat-insulating layer, respectively, liquid nitrogen is filled in each cold tube in the tube screen between the first composite heat-insulating layer and the second composite heat-insulating layer, so that a liquid nitrogen cold screen is formed between the first composite heat-insulating layer and the second composite heat-insulating layer, cold nitrogen gas is filled in each cold tube in the tube screen between the second composite heat-insulating layer and the third composite heat-insulating layer, so that a cold nitrogen gas cold screen is formed between the second composite heat-insulating layer and the third composite heat-insulating layer, and a vacuum interlayer is formed between the third composite heat-insulating layer and the outer jacket tube. The application has the advantage of reducing liquid hydrogen vaporization.

The utility model belongs to the technical field of metal processing, and particularly relates to a high-thermal-conductivity metal processing calendering device which comprises a calendering machine, two conveying rollers are installed in the middle of the calendering machine, two calendering rollers are installed in the middle of the calendering machine, a preheating box is fixedly connected to the middle of the calendering machine, two preheating grooves are formed in the middle of the preheating box, and the two preheating grooves are communicated with the calendering machine. The two preheating grooves are oppositely arranged, two fixing boxes are fixedly connected to the middle of the preheating box, the two fixing boxes are fixedly connected to the positions corresponding to the preheating grooves, two through grooves are formed in the side walls of the fixing boxes, the two through grooves are oppositely arranged, a plurality of through holes are formed in the middles of the fixing boxes, and two fans are installed in the middles of the fixing boxes. Through the structure, the metal material can be effectively preheated before being rolled, the temperature gradient of the metal material in the rolling process is reduced, a metal product is effectively and more easily subjected to plastic deformation, and the size deviation caused by uneven local hardness is reduced.

The utility model relates to pesticide manufacturing equipment technical field, concretely relates to a kind of pesticide granule product cooling vibrating screen, including cooling cylinder, mounting ring, multiple air supply pipes, loading assembly, motor, pivot, two scraping plates and multiple stirring leaves, when using, outside cold air pipe is connected with mounting ring intercommunication, cold air is discharged in cooling cylinder by mounting ring and air supply pipe, by feeding port, particle is added to loading assembly, motor operation, pivot rotates, stirring leaf overturns particle, scraping plate overturns peripheral particle, it is helpful to mix with internal particle, reduce temperature gradient, ensure cooling uniformity, simultaneously, prevent a small part of water-containing particle from adhering to inner wall, cause raw material waste, solved the problem that particle accumulation or local over will hinder cold air penetration, rely on vibration dispersion effect is poor, and further influence heat exchange efficiency, simultaneously, cold air flow distribution is uneven, far from air inlet side, and the problem of poor heat dissipation effect.

The utility model discloses a kind of flow guide structure and single crystal furnace applied to single crystal furnace hot field.The flow guide structure can include: flow guide cylinder and flow guide component, wherein, flow guide component includes first flow guide part and second flow guide part, first flow guide part extends from the outer periphery of the lower end opening of flow guide cylinder in the direction of radial away from the central axis of flow guide cylinder and simultaneously downwardly inclined relative to the lower end opening outer periphery of flow guide cylinder, second flow guide part extends from the extension end of first flow guide part in the direction of radial away from the central axis of flow guide cylinder and simultaneously upwardly inclined relative to first flow guide part.The flow guide structure can accelerate the argon flow rate passing through liquid surface, to take away more oxygen impurities, reduce the oxygen content of drawn single crystal silicon rod.

The application relates to a packaging level chip utilizing the Peltier effect and a preparation method thereof, and belongs to the technical field of chip packaging. The preparation method of the packaging level chip comprises the following steps: (1) feeding a substrate; (2) flip-chip and filling the space between the chip and the substrate; (3) drawing silver glue on the chip; (4) flip-chip of a semiconductor refrigeration piece; (5) filling the space between the semiconductor refrigeration piece and the substrate; and (6) sticking an indium piece and a packaging heat dissipation cover on the surface of the semiconductor refrigeration piece by means of glue. The application also provides a packaging level chip prepared by the above preparation method. By directly packaging the semiconductor refrigeration piece on the surface of the chip, the application omits the intermediate heat conduction components such as the indium piece and the heat dissipation cover in the traditional heat dissipation structure, effectively eliminates the contact thermal resistance and the conduction thermal resistance introduced by the components, realizes the direct thermal coupling of the semiconductor refrigeration piece and the chip, and greatly improves the cold energy transmission efficiency.

The invention discloses a thermal-electric-chemical coupled solid oxide stack which comprises a lower end plate and an upper end plate, and a plurality of SOFC (solid oxide fuel cell) single cells and SOEC (solid oxide electric cell) single cells are arranged between the lower end plate and the upper end plate; each SOFC single battery comprises an SOFC cathode, an SOFC electrolyte and an SOFC anode which are crimped in sequence; each SOEC single battery comprises an SOEC cathode, an SOEC electrolyte and an SOEC anode which are crimped in sequence; the chamber where the SOEC anode is located is communicated with the chamber where the SOFC cathode is located, and oxygen generated by electrolysis of the SOEC anode can enter the SOFC cathode side to participate in the reaction; and the SOFC single batteries and the SOEC single batteries are electrically connected in series through connectors or current collectors. According to the invention, the SOFC units and the SOEC units are arranged in the same electric pile alternately or in blocks, and specific gas paths and circuits are opened, so that gradient utilization of energy and efficient and stable operation of the system are realized.

The utility model relates to metal material production and manufacturing technical field, more particularly to a kind of silver alloy's continuous casting system.A kind of silver alloy's continuous casting system, including vacuum induction device, electrode stick, pulse power, crystallization cooling device and support device;The vacuum induction device is to carry out vacuum induction treatment to silver alloy raw material, to form hot melt liquid;One end of the electrode stick is contacted with the hot melt liquid, and the other end of the electrode stick is connected with the positive pole of the pulse power;The crystallization cooling device is to carry out crystallization treatment to the hot melt liquid, to form casting rod;The support device is to support the casting rod, and the casting rod is connected with the negative pole of the pulse power by the support device.The continuous casting system in the utility model, by the cooperation of each device, the growth of columnar crystal can be controlled, the quality and performance of bonding wire and casting are improved, the production cost is reduced, and the production efficiency is improved.

The invention discloses a ceramic and metal brazing method based on a self-resistance heating metal foil, and belongs to the technical field of dissimilar material connection and advanced manufacturing. The method aims at solving the problem that when materials such as Y2O3-MgO nano-composite ceramic and TC4 titanium alloy are connected through an existing Joule hot brazing method, interface reaction and residual stress are difficult to cooperatively regulate and control. The method comprises the steps of 1, assembling a to-be-welded part; 2, applying pre-pressing; 3, grading Joule hot brazing; and 4, cooling. The method is used for ceramic and metal brazing based on the self-resistance heating metal foil.