111results about How to "Fast heating rate" patented technology

The invention belongs to the technical field of thermal barrier coatings, and provides an artificial preparation method of multi-scale aero-engine environment sediment particles. The preparation method comprises the following steps: grinding CMAS original powder into mixture powder; calculating the mass of the required mixture powder according to the powder density of the CMAS original powder and the particle size of the target sediment particles; weighing the mixture powder, and pressing the mixture powder into sheets; in an air suspension furnace, tabletting and melting the mixture powder into balls by adopting a laser; and rapidly cooling to normal temperature to obtain the target sediment particles with the target particle size. The melting process of the CMAS powder is greatly improved, the gas suspension furnace and the laser are used for heating, single CMAS particles with the designed size can be obtained in a short time, the preparation time is shortened, and the preparation cost is effectively reduced.

The utility model provides a novel microwave heating printing head which comprises an outer conductor microwave shielding shell, a microwave input source is arranged on the outer wall of the outer conductor microwave shielding shell in a conducting mode, an outer conductor microwave shielding upper shell is welded to the top of the outer conductor microwave shielding shell, and a coaxial microwave shielding inner conductor is fixedly arranged in the outer conductor microwave shielding upper shell. The coaxial microwave shielding inner conductor is arranged in the outer conductor microwave shielding shell, the coaxial microwave shielding inner conductor and the outer conductor microwave shielding shell define a coaxial resonant cavity, an outer conductor microwave shielding lower shell is welded to the bottom of the outer conductor microwave shielding shell, and a flange plate is installed at the bottom of the outer conductor microwave shielding lower shell. A quartz tube is arranged in the coaxial microwave shielding inner conductor in a penetrating manner and extends to the outlet end of the flange plate, and the length of the coaxial microwave shielding inner conductor arranged in the outer conductor microwave shielding shell is smaller than the height of the coaxial resonant cavity, so that the quartz tube is partially exposed in the coaxial resonant cavity. The conductive composite thermoplastic wire can be rapidly heated within a short time by applying microwaves, and compared with traditional resistance heating, the heating rate is greatly increased.

The invention aims to provide a heat treatment method for reducing quenching stress and improving low-temperature toughness of a Cr-Ni-Mo-V steel forging, and belongs to the technical field of metal material heat treatment. The method comprises the following steps: (1) carrying out isothermal annealing heat treatment on the Cr-Ni-Mo-V steel forging; (2) carrying out normalizing heat treatment on the isothermal annealing forge piece; (3) carrying out tempering heat treatment on the normalized forge piece; (4) the tempered forge piece is subjected to step quenching treatment; and (5) carrying out rapid tempering treatment on the quenched forge piece. By means of the heat treatment method, the surface quenching residual stress of the Cr-Ni-Mo-V steel forge piece can be reduced by 30% or above, meanwhile, the strength and low-temperature impact energy of the Cr-Ni-Mo-V steel forge piece are improved by 10% or above, and the safety and reliability of the Cr-Ni-Mo-V steel forge piece are improved.

The invention discloses a preparation method of high-magnetic-induction oriented silicon steel, which comprises the following steps: sequentially heating, roughly rolling, finely rolling and coiling a plate blank obtained by continuously casting qualified molten steel to obtain a hot-rolled coil; the hot-rolled coil is sequentially subjected to normalizing treatment and cold rolling, and a cold-rolled sheet is obtained; the cold-rolled sheet is sequentially subjected to decarburization and nitriding, and the high-magnetic-induction oriented silicon steel is obtained; in the nitriding process, the nitriding temperature is 910-980 DEG C, and the dew point is 10-60 DEG C. A 910-980 DEG C high-temperature nitriding method is adopted, the diffusion efficiency of N atoms in the steel strip is improved, the uniformity of the N concentration in the thickness direction is improved, the secondary recrystallization quality and the thickness consistency of a magnesium silicate bottom layer can be improved, meanwhile, the heating rate can be properly increased during high-temperature annealing, and the high-temperature annealing time is shortened.

The invention provides a phase-change composite aerogel material for photothermal conversion and high-density heat storage. The phase-change composite aerogel material takes MXene / CNTs modified aerogel as a three-dimensional porous continuous supporting framework and takes a phase-change material as a filling material; wherein the phase change composite aerogel material is prepared from the following components in percentage by mass: 3.0 to 4.4 percent of MXene / CNTs modified aerogel and 95.6 to 97.0 percent of a phase change material according to 100 percent of mass percent. The invention also provides a preparation method of the phase change composite aerogel material. The MXenes / CNTs modified aerogel composite phase change material prepared by the preparation method disclosed by the invention is in a micron level, MXenes and CNTs are attached to the surface and the interior of the MXenes / CNTs modified aerogel composite phase change material, and the MXenes / CNTs modified aerogel composite phase change material is large in heat transfer area, good in heat transfer performance and mechanical performance and wide in application range; the preparation method is simple, and the reaction time and reaction conditions are easy to control. The invention also provides application of the phase-change composite aerogel material in solar photothermal conversion and heat storage materials.

The invention discloses a high-performance sodium-ion battery hard carbon negative electrode material and a preparation method thereof, and the preparation method comprises the following steps: uniformly mixing a carbon source precursor with metal chlorate, carrying out a catalytic carbonization reaction at 400-600 DEG C, and after the reaction, carrying out acid pickling and water washing to obtain a solid A; carrying out acid pickling and water washing on the solid A until the solid A is neutral, and carrying out microwave-assisted heat treatment at 1100-1500 DEG C to obtain a solid C; and crushing the solid C and carrying out chemical vapor deposition treatment to finally obtain the high-performance sodium-ion battery hard carbon negative electrode material. The hard carbon material prepared by the method has the advantages of abundant micropore structures, short-distance tight arrangement of layer structures, proper carbon layer spacing and low external specific surface area, and is suitable for a hard carbon negative electrode material of a high-energy and high-power-density sodium ion battery.

The utility model provides fly ash washing and evaporative crystallization equipment, which belongs to the technical field of fly ash treatment, and comprises a heating base, a crystallization barrel is fixedly connected above the heating base, a washing barrel is fixedly connected above the crystallization barrel, and a rotating shaft is rotatably connected in the washing barrel; and each stirring and mixing assembly comprises a hollow stirring rod fixedly connected to the rotating shaft, and a sleeve rod is slidably connected into the hollow stirring rod. According to the fly ash washing device, while the hollow stirring rod is driven to rotate to stir and mix fly ash mixed liquid, the fly ash mixed liquid close to the inner wall of the washing cylinder is uniformly stirred by driving the auxiliary stirring plate, so that the mixing uniformity of the fly ash mixed liquid and the washing effect of fly ash can be improved; in addition, sufficient crystal scraping operation can be carried out on the interior of the crystallization barrel, subsequent fly ash crystals can be conveniently taken out, and the later cleaning work cost can be easily reduced.

The invention belongs to the field of microwave heating, and discloses a wind power blade microwave deicing efficient wave-absorbing composite coating which comprises a polyurethane primer filled with carbon nanotubes and a polyurethane finish filled with silicon carbide. The polyurethane primer is filled with the carbon nanotubes, so that the wave-absorbing property of polyurethane is improved, the surface temperature rise rate of the coating is increased, and the corrosion resistance and the mechanical property of the coating are enhanced; the silicon carbide is filled in the polyurethane finishing coat, so that the wave-absorbing property of the coating is improved, a heat-conducting and insulating network is constructed, and the heat-conducting property, the wear-resisting property and the surface resistance of the coating are enhanced. By combining the excellent wave-absorbing performance of the carbon nanotubes and the wave-absorbing, insulating, heat-conducting and wear-resisting characteristics of the silicon carbide, the composite coating has efficient wave-absorbing and temperature-rising performance, good lightning protection performance and excellent corrosion resistance and wear resistance. The characteristics of the carbon nanotubes and the silicon carbide are fully exerted, the preparation process is easy and convenient to operate, and the requirement for microwave deicing of the surface of the wind power blade in winter can be met.

The invention discloses a method for co-processing chromium-containing aluminum mud and electrolytic aluminum overhaul slag, which comprises the following steps of: oxidizing cyanide in the finely ground overhaul slag into carbon dioxide and nitrogen by using hexavalent chromium with strong oxidizing property in the chromium-containing aluminum mud under an acidic condition, and adding calcium oxide into decyanated slag to obtain trivalent chromium precipitate and insoluble villiaumite; and chloridizing the washed and dried precipitation slag by adopting aluminum chloride, carrying out multi-stage condensation separation and purification on the chloridized flue gas to respectively obtain ferric trichloride and aluminum trichloride, carrying out heat exchange and washing on the chloridized slag to obtain a chromium trichloride solution, and carrying out alkaline leaching to obtain sodium aluminate and tailings. According to the method, oxidation-reduction characteristics of the chromium-containing aluminum mud and the overhaul slag are utilized to cooperate with detoxification, a carbon-based wave-absorbing material in the overhaul slag is subjected to microwave heating for chlorination recovery of valuable elements, the heating rate is high, heating is uniform, the reaction efficiency is high, harmless treatment of the two hazardous wastes is achieved, the valuable elements such as chromium and aluminum in the hazardous wastes are effectively recovered, and the method is suitable for industrial production. And the energy utilization rate is high.

The invention discloses a crankshaft surface heat treatment method and a heat treatment system based on the crankshaft surface heat treatment method. The crankshaft surface heat treatment method comprises the steps that a crankshaft is clamped on a rotary positioner; the surface of the crankshaft is sequentially divided into a plurality of stages of annular heat treatment areas from front to back in the axis direction, and each stage of annular heat treatment area is provided with a plurality of heat treatment sites avoiding holes in the surface of the crankshaft at intervals in the circumferential direction of the crankshaft; naturally sequencing the heat treatment sites; planning point position moving tracks of the crankshaft and the anode nozzle; and intermittent pulse voltage is applied between the crankshaft and the anode spray head, and heat cycle treatment is conducted on all the heat treatment sites on the crankshaft in sequence according to the sequence machining numbers of the heat treatment sites. The method has the beneficial effects that an electrolyte plasma surface heat treatment technology is combined with a plasma heat treatment method, heat treatment of a workpiece can be rapidly achieved under the condition of low energy consumption, crankshaft deformation is effectively reduced, secondary machining is avoided, recyclable electrolyte is adopted for cooling, and cost is saved.

The invention discloses a waste plastic resource recycling treatment method which comprises the following steps: (1) crushing waste plastic into small particles, placing the small particles in a conductive material filling container, and enabling the waste plastic particles to be fully and uniformly contacted with the surface of the conductive material filling container; and (2) connecting the two ends of the conductive material filling container with a power supply electrode, and applying pulse current to the conductive material filling container in the reaction cavity under the protection of inert atmosphere, so that the waste plastics are heated and thermally cracked, and a combustible gas product is obtained. According to the resource recycling treatment method for the waste plastics, rapid cracking of the waste plastics can be achieved, and high-value combustible gas is obtained.

The utility model relates to the technical field of THDS equipment snow melting, and discloses a THDS equipment snow melting device, which comprises a shell, a THDS equipment main body is arranged in the shell, two probes are arranged at the front end of the THDS equipment main body, a heating assembly is arranged between the outer surface of the THDS equipment main body and the interior of the shell, and the THDS equipment main body is arranged in the shell. The heating assembly comprises an observation hole, a heat insulation shell, a heat conduction sheet, a heat insulation pipe sleeve, a heating sheet, a weakening groove, a temperature control switch, a temperature sensor and a wireless PLC. According to the snow melting device for the THDS equipment, through the heat insulation shell and the heat insulation pipe sleeve, a heating component in the shell is isolated from the THDS equipment and other structures, negative interference caused by the temperature in the temperature rising process to measurement, operation monitoring and other operations of the THDS equipment is avoided, meanwhile, a wireless PLC is used for enabling a user to remotely control operation of the heating structure, the convenience in use is improved, and the practicability is high. And the heating temperature of the heating sheet is limited not to exceed 45 DEG C, so that false alarm of a hot shaft is prevented.

The invention relates to a high-strength and high-thermal-conductivity silicon carbide composite material and a preparation method thereof. According to the technical scheme, silicon carbide fine powder, diamond powder, monatomic silicon powder, nano-copper powder, nano-graphite powder and a sintering aid serve as raw materials, deionized water is added, the raw materials are mixed and placed in a spray dryer for spray drying, and a mixture I is obtained; mixing the mixture I with a polyvinyl alcohol aqueous solution to obtain a mixture II; and putting the mixture II into a mold, carrying out compression molding, and maintaining the pressure to obtain a silicon carbide composite material green body. The silicon carbide composite material green body is placed in a graphite crucible, then the graphite crucible is placed in a vacuum induction furnace, and heating and heat preservation are conducted under the vacuum condition; and heating, preserving heat and cooling to obtain the high-strength and high-thermal-conductivity silicon carbide composite material. The preparation process is low in energy consumption, and the prepared high-strength and high-thermal-conductivity silicon carbide composite material is high in bending strength, fracture toughness and thermal conductivity.

The invention belongs to the technical field of hydrogen storage materials, and particularly relates to a preparation method of a light-driven magnesium-based composite hydrogen storage material, which comprises the following steps: mixing and grinding strontium titanate and sodium borohydride in a mortar; then, heating and calcining the mixture in a tubular furnace in an argon atmosphere, and carrying out surface modification treatment; then, washing the calcined product, and performing vacuum drying to obtain STO-450 particles with reconstructed surfaces; mgH2 and STO-450 particles are mixed through a high-energy ball milling method, the MgH2-Y wt.% STO-450 composite hydrogen storage material is prepared, and Y is the mass fraction of the STO-450 particles in the composite hydrogen storage material. The temperature rising rate of the prepared light-driven magnesium-based composite hydrogen storage material is greatly increased, efficient solar photo-thermal conversion is achieved, the energy utilization rate is high, and the dehydrogenation amount is increased by nearly two times compared with that of a common strontium titanate composite hydrogen storage material.

The present invention discloses a thermal management system for a hydrogen energy vehicle fuel cell. The system includes a radiator, an expansion water tank, a water filter, a heater and a water pump; the radiator, the water filter, the fuel cell and the water pump form a closed loop through a main pipeline, the water inlet end of the water pump is connected to the fuel cell, the water outlet end of the water pump is connected to the radiator, and the heater is connected in parallel with the radiator through a branch pipeline; the expansion water tank is connected to the radiator through a degassing pipe, and the expansion water tank is connected to the pipeline section between the water pump and the fuel cell through a water supply pipeline, and the degassing pipe is provided with a regulating mechanism for regulating its liquid flow. The present invention improves the warm-up speed by providing a regulating mechanism for regulating its liquid flow on the degassing pipe. Through the present invention, the problem of leakage of the large circulation loop of the fuel cell system is solved, the heating rate of the fuel cell system is improved, and the heating power demand of the external auxiliary heat source when the fuel cell system is started at low temperature is reduced.

The present invention provides a reaction chamber and semiconductor processing equipment, wherein the gate valve device of the reaction chamber comprises: a rotating shaft, which is rotatably arranged on the side where the transmission port of the inner cavity is located, and the first end and the second end of the rotating shaft pass through the outer cavity and extend to the outside of the outer cavity; a driving device, which is connected to the first end of the rotating shaft and is used to drive the rotating shaft to rotate; a door panel assembly, which is fixedly connected to the rotating shaft and has a cavity, in which a heating element is arranged, which is used to heat the inside of the inner cavity; a wiring channel is arranged in the rotating shaft, and the positive and negative wiring of the heating element extend to the outside of the second end face of the rotating shaft through the wiring channel; a moving contact assembly, which is connected to the second end of the rotating shaft, and the moving contact assembly is arranged to electrically connect the positive and negative wiring of the heating element to the power supply in a contact manner, and keep in contact with each other when the rotating shaft rotates. This scheme can improve the heating rate and heating uniformity in the chamber.

The invention discloses a porous carbon graphite plate and a preparation method thereof. The porous carbon graphite plate is prepared from natural flake graphite powder, high-purity silicon powder, mesocarbon microbeads and resin carbon. The preparation process of the porous carbon graphite plate comprises the process links of mixed powder preparation, layer unit pre-forming, high-voltage electrostatic melting 3D printing of an organic matter screen plate, multiple times of repetition, heating and pressurizing secondary forming to obtain a porous carbon graphite plate biscuit, high-temperature sintering to construct a micropore channel, ultrasonic cleaning, drying and the like. The preparation method of the porous carbon graphite plate provided by the invention has the advantages of simplicity, low cost, stability, high efficiency and the like, and is suitable for preparing the porous carbon graphite plate; the obtained porous carbon-graphite plate has the characteristics of high strength, high density, high porosity, controllable pore size and distribution and the like, and can be used for an air floatation transmission device in scenes of supporting and transporting liquid crystal glass substrates and the like.

The invention relates to the field of high-speed steel heat treatment, and provides high-wear-resistance high-speed steel and a strengthening method thereof. The preparation method of the high-wear-resistance high-speed steel comprises the following steps: firstly carrying out pulse current austenitizing treatment on commercial high-speed steel, then quenching, and then carrying out pulse current multi-gradient tempering treatment. According to the method, the long-time and high-temperature heat treatment process is shortened, the cost and the energy consumption are reduced, the process is simplified, grains and carbides are refined at the same time through the cooperative regulation effect of the process and parameters, and the obtained high-speed steel is superior to the high-speed steel obtained through high-temperature and long-time treatment: austenitizing, quenching and tempering in the prior art in hardness and wear resistance, and has the good application prospect. The method is suitable for industrial production.

The present invention discloses a high-humidity radio frequency thawing refrigeration system, which aims to provide a system that can realize the functions of food freezing, sterilization and rapid thawing. It includes a freezing and refrigeration cycle system, a high-humidity radio frequency thawing system and an auxiliary humidification system; the high-humidity radio frequency thawing system includes a radio frequency power module, a solution box with an upper cover, and a positive plate, a negative plate and a loading platform located in the solution box; the evaporator is placed in the upper part of the solution box, and the positive plate and the negative plate are arranged in parallel on both sides of the loading platform and are respectively connected to the positive and negative poles of the radio frequency power module to form a radio frequency heating unit; the auxiliary humidification system includes a water tank, a gas-liquid separator, a liquid atomizing nozzle and a gas nozzle, and the condenser is placed in the water tank. The system of the present invention has the functions of freezing and rapid thawing, and solves the drying problem caused by overheating at the sharp corners during the radio frequency thawing of food. Moreover, the heating rate is fast, which can avoid the deterioration of food quality caused by the long heating time.

The utility model relates to chemical synthetic technical field, concretely is a kind of production system of industrial grade ethylsilane, including the ethylsilane production unit, heat exchange unit, gas-liquid separation unit, ethylsilane temporary storage tank connected in turn;Ethylsilane production unit includes hydrogen preheater, methylsilane preheater, ethylsilane reactor, wherein, hydrogen preheater and methylsilane preheater one end are all provided with inlet pipe, and other end is all connected with ethylsilane reactor, and ethylsilane reactor is connected with heat exchange unit;Heat exchange unit is also connected with hydrogen circulation unit and methylsilane circulation unit.Hydrogen recovery recycling, after a period of time, the hydrogen generated in the reaction process can meet the operation required of ethylsilane production unit, stop external hydrogen supply;Methylsilane recovery recycling, save material, reduce consumption.

The utility model provides a self-heating type warm-keeping wrapping cloth. The self-heating type warm-keeping wrapping cloth is packaged in a packaging layer and comprises a warm-keeping structure layer, an isolation heat conduction structure layer and a heating structure layer. The isolation heat conduction structure layer is located between the heat preservation structure layer and the heating structure layer. The heating structure layer is used for chemical reaction to release heat when the packaging layer is opened and makes contact with air.

The present disclosure provides a high-temperature graphene electric heating plate capable of being used for traditional Chinese medicine moxibustion and a manufacturing method thereof. The high-temperature graphene electric heating plate utilizes the infrared rays generated by graphene at high temperature to cover the spectrum of moxa heat, adopts a high-temperature-resistant rigid substrate and a high-temperature-resistant protective layer to protect the high-temperature graphene electric heating film, and transfers graphene through an adhesive layer containing a dopant during preparation, thereby improving the transfer quality, high-temperature stability and yield of the graphene, and achieving the material requirements of traditional Chinese medicine moxibustion.

The invention relates to a preparation method of a high-temperature oxidation-resistant silicide coating containing a composite diffusion-resistant layer, the high-temperature oxidation-resistant silicide coating comprises a MoSi2 outer layer, a WSi2-YSZ diffusion-resistant layer and a thin NbSi2 and Nb5Si3 mutual diffusion layer between the WSi2-YSZ diffusion-resistant layer and a substrate, the outer layer provides good high-temperature oxidation resistance for the coating, the diffusion-resistant layer can effectively slow down element mutual diffusion between the coating and the substrate, and the high-temperature oxidation-resistant silicide coating has good oxidation resistance. The loss of the beneficial element Si is reduced, metallurgical bonding is formed between the mutual diffusion layer and the matrix, and the interface bonding between the external coating and the matrix can be improved. According to the method, a YSZ resistance diffusion layer sample containing WSi 2-20% is subjected to constant-temperature oxidation at the temperature of 1400 DEG C for 100 h, and then the oxidation weight of the sample is increased by 1.5 mg / cm < 2 >; meanwhile, compared with an unimpeded diffusion layer sintering sample, the thickness of an oxidation film and the thickness of a diffusion layer are reduced by 28.5% and 29.2% respectively after oxidation is conducted for 100 h, the oxidation film does not peel off, and the coating is well combined with a matrix alloy interface.

The utility model relates to the technical field of ammonia synthesis, in particular to a heater and an ammonia synthesis system.The heater comprises a shell provided with a gas inlet and a gas outlet; and the heating inner part is arranged in the shell, the heating inner part is located between the air inlet and the air outlet, an electromagnetic induction coil is wound around the heating inner part, and the heating inner part is provided with a plurality of holes allowing to-be-heated air to penetrate through. According to the embodiment of the invention, electromagnetic induction heating is adopted, the heating rate of the heating internal part is high, the heating internal part is provided with a plurality of pores through which to-be-heated gas passes, and the heat exchange area of the gas and the heating internal part is increased, so that the heating efficiency is improved, and the effect that the synthesis ammonia reactor is rapidly heated at the starting stage is realized.

The invention discloses a large-size boron carbide-graphene composite ceramic as well as a preparation method and application thereof. The large-size boron carbide-graphene composite ceramic has high compactness and a uniform microstructure, the size of the large-size boron carbide-graphene composite ceramic is 17-22 cm, the density of the large-size boron carbide-graphene composite ceramic is 2.502-2.518 g / cm < 3 >, the Vickers hardness of the large-size boron carbide-graphene composite ceramic is 31.5-33.8 GPa, the bending strength of the large-size boron carbide-graphene composite ceramic is 462-536 MPa, and the fracture toughness of the large-size boron carbide-graphene composite ceramic is 3.86-4.73 MPa.m < 1 / 2 >. The boron carbide-graphene composite ceramic prepared by adopting an HP and SPS dual-mode sintering mode is fine in grain, and the graphene structure is complete, so that the improvement of the mechanical property of the material is facilitated. Meanwhile, the method is simple in process, good in repeatability and high in stability, and industrial and batch stable production is easy to achieve.

The application discloses a multi-branch heating pipe hot air assembly, which is mainly cylindrical, and is provided with a tapered narrowing air inlet end and an air outlet end at two ends of the main body; the main body comprises an aluminum heat dissipation cylindrical shell provided with inward fins; the cylindrical shell is inwardly and sequentially nested with an aluminum cylindrical heat transfer main body and an aluminum inner core heat dissipation cylinder with the fins of the heat transfer main body outward; a plurality of through holes are uniformly distributed on the heat transfer main body in the axial direction, and a heating pipe not in contact with the heat transfer main body is arranged in the through hole; an outer wall air duct is arranged between the cylindrical shell and the heat transfer main body and is communicated with the air inlet end and the air outlet end; the heating pipe is communicated with the air inlet end and the air outlet end to form an inner core air duct; a heat transfer main body center air duct is arranged between the heat transfer main body and the inner core heat dissipation cylinder and is communicated with the air inlet end and the air outlet end; and the heat transfer main body and the heating pipe are fixed with the air inlet end and the air outlet end through fixing members located at two ends. The equipment has the characteristics of precise temperature control, high-temperature dry burning protection, good sealing performance, high energy efficiency, fast heating rate and high heat exchange efficiency.

The utility model provides two-stage sterilization equipment for bagged acidic drinks. The equipment comprises a feeding module, an enhanced heat transfer sterilization module and a cooling module which are connected in sequence, the enhanced heat transfer sterilization module comprises a fluid oscillation treatment section, a rapid heating section and a heating maintaining section; the fluid oscillation treatment section comprises a first chamber for accommodating raw materials to be treated and an oscillation element for driving the first chamber to generate mechanical oscillation with preset frequency and amplitude; the rapid heating section comprises a first heat exchange pipe and a first heating channel, the inner wall of the first heat exchange pipe is in a specific geometrical shape, and the specific geometrical shape comprises a continuous corrugated structure extending in the axial direction of the first heat exchange pipe, a spiral groove-shaped structure formed along the inner wall of the first heat exchange pipe and a static mixing structure fixedly arranged in the first heat exchange pipe. And a higher heating rate and more uniform temperature distribution can be realized in the rapid heating section, so that thermosensitive components in the natural acid beverage can be better protected while the sterilization effect is ensured, and the product quality is improved.

The application belongs to the technical field of battery preheating, and particularly relates to a fast-response in-situ temperature control binder as well as a preparation method and application thereof. The application proposes a new binder, which uses hyperbranched polymers carrying a large number of charges to load fast-response particles through electrostatic interaction and redox reaction, and designs an external miniature heating device cooperating with the fast-response binder, so that the impedance of the battery is not increased, and the effect of non-contact fast heating of the battery interior can be achieved only by using the binder when assembling the battery and cooperating with the external device. The battery can be raised from minus 60 degrees Celsius to room temperature in 5 seconds, and the battery in hibernation due to low temperature can be quickly woken up to discharge and work again. The application has great significance for the field of battery low-temperature preheating, and provides a brand-new heating strategy, which creates an unprecedented new idea for the use of the battery at low temperature.

The invention discloses a Y0. 4Sr0. 6MnO3 perovskite porous loading material as well as a synthesis method and application thereof, and belongs to the field of cracking CO2 fuel synthesis catalyst materials. The invention aims to solve the problems of low stability, low CO yield and low CO2 conversion rate of a catalytic material in a solar thermochemical fuel preparation process (two-step CO2 catalytic cracking). The method comprises the following steps: mixing EDTA (Ethylene Diamine Tetraacetic Acid) with an ammonia water solution, adding deionized water, heating in a water bath, and magnetically stirring; adding Y (NO3) 3.6 H2O, Mn (NO3) 2.4 H2O and Sr (NO3) 2 powder, and then adding citric acid monohydrate; adding ammonia water to adjust the pH value, and keeping heating and stirring; drying, grinding, calcining, then grinding, mixing with deionized water, dropwise attaching turbid liquid to the SiC porous framework, and purging; and drying. According to the preparation method, the Y0. 4Sr0. 6MnO3 powder material is attached to the SiC porous framework, so that the gas-solid reaction contact area of the powder material and CO2 is increased, and the oxidation-reduction reaction rate is increased; the heating rate of the material is accelerated, and the photo-thermal conversion efficiency and the overall efficiency are improved.

A system and method for reducing sulfur dioxide-containing gas by a binary method. The system for reducing sulfur dioxide-containing gas by a binary method includes a gasifier, which is used for performing a gasification reaction of a carbon-based solid fuel and a gasifying agent, and is used for reducing SO2 in the sulfur dioxide-containing gas by a binary method using the coal gas and semicoke generated by the gasification reaction. The present invention innovatively uses the gasifier as a reduction reactor for sulfur dioxide-containing gas, and uses the two binary products, namely semicoke and coal gas, generated by gasifying the carbon-based fuel in the gasifier to perform binary reduction of SO2 in the sulfur dioxide-containing gas, strengthening the reduction effect and improving the SO2 conversion rate.