133 results about "Thermal solution" patented technology

The invention discloses a control method and device for heat dissipation equipment, and relates to the technical field of computers, and the method comprises the steps: employing a load dynamic perception and prediction model cooperative control technology, building a dynamic correlation model of a load and heat dissipation, and achieving the mode upgrade of a heat dissipation system from lagging regulation to advanced response. A control instruction is generated by predicting a load change trend in real time, and a dual-mode protection mechanism is combined, so that energy efficiency loss caused by traditional temperature control delay is avoided, system stability and energy efficiency performance are optimized, an efficient and energy-saving active heat dissipation solution is provided for high-load equipment, and the service life of the system is prolonged. The problems of low control efficiency of the heat dissipation equipment and energy efficiency loss caused by delayed adjustment in related technologies are solved, and the technical effects of improving the control efficiency of the heat dissipation equipment and reducing energy consumption are achieved.

The invention provides a submicron grain precursor oxide and a preparation method thereof, a lithium ion battery positive electrode material and a lithium ion battery, and relates to the field of lithium battery manufacturing. The preparation method of the submicron grain precursor oxide comprises the following steps: mixing raw materials including a nickel source compound, a cobalt source compound, a manganese source compound and water, and heating to obtain a precursor hot solution; carrying out atomization and pyrolysis treatment on the precursor hot solution to obtain powder particles; carrying out pulpifying washing on the powder particles, and carrying out wet screening, solid-liquid separation and drying to obtain a crude precursor oxide; and carrying out pre-sintering treatment on the rough precursor oxide to obtain the submicron grain precursor oxide. According to the preparation method provided by the invention, the submicron grain precursor oxide powder with low composition segregation and uniform grains can be prepared, and the uniform organization structure is beneficial to improving the electrical properties of the material and can meet the level requirements of the existing industry.

A semiconductor package and the method for forming the same are provided. The semiconductor package includes a substrate having an upper surface and a lower surface, first integrated circuit devices mounted on the upper surface, and second integrated circuit devices mounted on the lower surface. A first heat spreader in the form of a vapor-chamber (VC) is located over the first integrated circuit devices. A second heat spreader in the form of a vapor-chamber is located over the second integrated circuit devices. A heat-transfer member thermally couples the first heat spreader and the second heat spreader on both sides of the substrate.

The invention relates to the field of porous carbon materials, and provides a preparation method of a three-dimensional porous carbon block electrode based on a polymer material, and the preparation method comprises the following steps: mixing a carbon source with a pyrolysis auxiliary agent to prepare a block precursor with a user-defined target shape; heating the blocky precursor to 1000 DEG C or above in a protective atmosphere to obtain a three-dimensional porous carbon material block with a self-defined target shape; the carbon source is a thermoplastic polymer, and the pyrolysis auxiliary agent is selected from one or more of zinc group metal oxide powder, zinc group metal nitrate powder and zinc group metal carbonate powder. The pyrolysis auxiliary agent is added into the carbon source, zinc oxide is generated in the pyrolysis process, the carbonization process of the carbon source material is converted into a solid state from a molten state, melt flow of a polymer material is inhibited, and the prepared block porous carbon material is excellent in mechanical stability and chemical stability.

The invention provides a liquid cooling plate flow channel design optimization method and device based on topological optimization and a liquid cooling plate, and relates to the technical field of thermal management, and the method comprises the steps: S1, determining the geometric parameters of the liquid cooling plate according to the size of a battery module, constructing a double-layer two-dimensional design domain, and setting material, heat source and boundary conditions; s2, a topological optimization algorithm is adopted, material distribution is represented with a relative density variable, a multi-objective function giving consideration to the maximum heat exchange amount and the minimum pressure drop is constructed, a clear fluid-solid interface is obtained through density filtering and a projection function, and a target double-layer two-dimensional flow channel contour is obtained through iterative solution under volume fraction constraint; and S3, taking the target double-layer two-dimensional flow channel contour as a cross section to carry out spatial stretching bending deformation, and generating a double-layer special-shaped flow channel structure with a diffusion layer and a collection layer. According to the method, global optimization of two-dimensional topological optimization and three-dimensional geometric reconstruction are fused, the contradiction between the heat dissipation performance and the flow resistance is effectively solved, and a high-performance heat dissipation solution is provided for battery thermal management.

The invention discloses a method and system for efficient pyrolysis recovery and resource cyclic utilization of an ex-service wind power blade, and the method comprises the following steps: cutting the ex-service wind power blade, and carrying out primary pyrolysis at 400-600 DEG C to obtain a primary pyrolysis blade with a locally carbonized resin matrix; carrying out microwave enhanced pyrolysis on the primary pyrolysis blade, and inducing to generate local high temperature and targeted energy to enhance the deposition effect of carbon dots on fibers by utilizing the strong wave absorbing characteristic of carbon-based components in the primary pyrolysis blade, so as to synthesize a fiber-carbon dot composite material in situ; a solid product obtained through microwave enhanced pyrolysis is screened, and a fiber-carbon dot composite material and a carbon black material are separated out; the fiber-carbon dot composite material is used for preparing concrete. According to the method, rapid and efficient dissociation of the resin and the fiber in the retired wind power blade is realized, the treatment time is shortened, and the pyrolysis energy consumption is greatly reduced.

The invention relates to the technical field of hastelloy, in particular to a preparation method of a large-caliber seamless hastelloy thin-wall roller body, which comprises the following steps of: 1) performing vacuum centrifugal casting on an alloy blank sleeve; (2) carrying out thermal solution treatment on the alloy blank sleeve; (3) machining the pipe blank; (4) powerful spinning is conducted, specifically, a powerful spinning machine is used for conducting spinning on the pipe blank for more than three passes; and 5) annealing heat treatment. Fine grains are prepared through multi-pass spinning and low-temperature annealing, the strength and toughness of the material are improved through fine grain strengthening, the grains in all directions of the hastelloy conductive roller are uniform and consistent, and the average grain size is smaller than or equal to 10 microns; the tensile strength is greater than or equal to 800MPa; the yield strength is greater than or equal to 600MPa; the ductility is not less than 20%.

The invention provides an additive for optimizing the performance of a ferroelectric film material and a method for optimizing the energy storage performance of a sodium bismuth titanate-based ferroelectric film, and belongs to the technical field of electronic functional materials and devices. The ferroelectric film is prepared by using a sol-gel method, and a novel additive composed of N, N-dimethylacetamide, ethanolamine, lactic acid, ethylene glycol monomethyl ether and propionic acid is added in the process of preparing a film precursor solution. And spin-coating, drying, pyrolyzing and annealing the precursor solution to obtain a ferroelectric film material, and sputtering a gold electrode on the top of the ferroelectric film material. Compared with the ferroelectric film without the additive, the polarization performance and the energy storage performance of the ferroelectric film added with the additive are remarkably improved. Taking a 0.6 (Na0. 5Bi0. 5) TiO3-0. 4Bi (Mg0. 5Zr0. 5) O3 ferroelectric film as an example, under an electric field of 2000kV / cm, the maximum polarization is improved by about 70%, and the energy storage performance is improved by about 40%.

The invention discloses an efficient treatment method for waste plastic pyrolysis, which is characterized in that waste plastic is pretreated into 200-300 [mu] m powder, the reaction surface area is increased, and the pyrolysis efficiency is promoted; the powder and the Fe-Zr / ZSM-5 catalyst are mixed in a three-strand impinging stream feeding device, so that the mixing uniformity and the reaction acceleration are ensured. In the descending reactor, the mixture is pyrolyzed under the controlled carbon dioxide atmosphere and heating rate, and local overheating is avoided; a gas phase, a liquid phase and a solid phase generated by pyrolysis are effectively separated and preliminarily cooled through a cyclone separator and a cooling system; large-particle dust is removed from pyrolysis gas in an inner cylinder cyclone dust collector of the integrated radial bed, and dust removal and dechlorination are performed through an interlayer filled with modified activated carbon, so that the purity of pyrolysis oil is improved; pyrolysis gas is cooled to the room temperature, and pyrolysis oil, gas and solid residues are conveniently collected; through comparative analysis of the embodiment, the particle size range of 200-300 microns is determined as the optimal operation condition, at the moment, the pyrolysis efficiency is highest, and the quality of the generated pyrolysis oil is optimal.

Methods, apparatus, systems, and articles of manufacture are disclosed to cool electronic devices. An example thermal solution to cool an electronic device Includes a first cooling plate at a first side of a printed circuit board and a second cooling plate at a second side of the printed circuit board, the second side opposite the first side. The second cooling plate is fluidically coupled with the first cooling plate.

The invention discloses a phosphorus / fluorine co-doped monatomic iron-loaded porous carbon composite material and a preparation method and application thereof, and belongs to the technical field of new energy, and the phosphorus / fluorine co-doped monatomic iron-loaded porous carbon composite material is prepared by utilizing interaction among iron ions, fluorine-containing organic matters and organic phosphoric acid and a zeolite imidazole-8 three-dimensional network porous structure. And pyrolyzing to obtain the phosphorus / fluorine co-doped monatomic iron loaded porous carbon composite material. According to the phosphorus / fluorine co-doped monatomic iron-loaded porous carbon composite material and the preparation method and application thereof, the electronic structure of active sites of a catalyst is adjusted through phosphorus / fluorine co-doping, the catalytic activity of monatomic iron is improved, physical adsorption of porous carbon is synergistically exerted through the coordination effect between a porous carbon substrate and monatoms, and the catalytic activity of the monatomic iron is improved. Through chemical adsorption and efficient catalytic effect of monatomic iron, shuttling of polysulfide is greatly relieved, electrode conversion reaction kinetics is improved, and a high-performance lithium-sulfur battery is realized.

An immersed cooling system for cooling electronic devices includes a cooling tank accommodating coolant and multiple electronic devices and a liquid cooling circuit for circulating coolant, the electronic device includes key components and common components, the liquid cooling circuit includes cooling branches connected to the key components for cooling, the coolant in the cooling branches flows faster than the coolant in the cooling tank, which improves the heat dissipation effect of the key components and the utilization rate of the coolant by cooling the key components and the common components with different flow rates of coolant, reduces the energy consumption of the immersed cooling system and provides a more efficient thermal solution. An immersed cooling cabinet is also provided.

The invention belongs to the technical field of biochar preparation, and particularly relates to photothermal biochar preparation equipment, a furnace body is internally provided with a separation layer, the separation layer is internally provided with a vertical spiral feeding body, the vertical spiral feeding body comprises a rotating shaft and blades which are connected, the rotating shaft is rotatably connected with the furnace body, the blades are in clearance fit with the separation layer, and the rotating shaft and the blades are made of heat conduction materials; the top of the furnace body is provided with a Fresnel condensing lens with a rotatable inclination angle, and the Fresnel condensing lens is used for focusing sunlight to the top end of the rotating shaft; the furnace body comprises a shell, the shell comprises a quartz outer tube, a vacuum layer and a metal inner tube coated with a heat absorption layer from outside to inside, a spiral flow deflector surrounding a partition layer is arranged between the metal inner tube of the shell and the partition layer, and a groove type solar reflector used for converging sunlight to the shell is arranged on one side of the furnace body. The invention aims to effectively reduce the problems of high energy consumption and energy waste in the biochar production process by adopting solar energy as a pyrolysis energy source. The invention also provides a method for photo-thermal preparation of biochar.

The invention relates to a preparation method of a microbial immobilized filter material based on molecularly imprinted biochar. The preparation method comprises the following steps: (1) pyrolysis modification of biochar; (2) molecular imprinting modification and granulation; and (3) carrying out microbial immobilization on the biochar particles. According to the invention, waste straw chippings are used as raw materials, and the molecularly imprinted biochar particles with large specific surface area, rich pore structure, strong selective adsorption, high mechanical strength and excellent impact resistance are prepared through the processes of modification, pyrolysis, molecularly imprinted modification and granulation. Polyvinyl alcohol and sodium alginate are adopted as microbial immobilization materials, and the VOCs degrading bacteria loaded molecularly imprinted biochar particle filter material is formed through chemical crosslinking. The particle size of the filter material is 5-6 mm, the microorganism loading capacity reaches 3-4 mg / g, and the VOCs removal rate reaches 98% or above. The filter material can realize efficient treatment of VOCs, and has the advantages of environmental protection, stable removal effect, strong impact resistance, low operation cost and the like.

The invention relates to the technical field of environmental protection and resource regeneration, and discloses a zero-valent iron biochar composite material capable of degrading tetracycline and a preparation method of the zero-valent iron biochar composite material. The preparation method of the composite material comprises the following steps: pretreatment of the iron tailings: mixing the iron tailings with a hydrochloric acid solution, and heating in a water bath to carry out extraction treatment, so that contained iron components are fully leached out to obtain an iron-rich solution; loading iron on the reed straws: mixing the reed straws with the iron-rich solution obtained in the step 1, dropwise adding an alkali treatment agent until the precipitation is complete, and continuously stirring; pyrolysis reaction: pyrolyzing the iron-loaded reed straws in an oxygen-free environment to prepare a zero-valent iron-biochar composite material; and degradation reaction: adding the biochar obtained in the step 3 and persulfate into a tetracycline solution, and stirring for reaction. The problems that in the prior art, resources are wasted, and the preparation cost of zero-valent iron is high are solved.

The invention relates to the technical field of polylactic acid, and discloses a flame-retardant starch-kaolin flame retardant modified polylactic acid membrane material, which is prepared by taking glycerol as a plasticizer, taking a phosphorus-containing starch-kaolin composite flame retardant as a filling modifier, carrying out melt blending with polylactic acid, and carrying out blow molding to form a membrane. A starch molecular chain is grafted to kaolin nanometre, so that the starch is used as a compatilizer, the dispersity of kaolin in polylactic acid is improved, the reinforcing effect of kaolin is better played, and the elongation at break and tensile strength of the polylactic acid membrane material are improved; the expression-modified phosphabicyclo octane compound is used as an organic phosphorus flame-retardant component, promotes starch pyrolysis to form an expanded carbon layer under high-temperature combustion, and is compounded with kaolin to form a continuous inorganic barrier layer, so that the effects of isolating oxygen and inhibiting smoke escape are achieved, and an excellent flame-retardant effect is achieved.

The invention provides fuel coal water slurry and a preparation method thereof. The fuel coal water slurry comprises pulverized coal, water, an additive and a carbon-based nano material modifier, the additive comprises a dispersant and a stabilizer, the carbon-based nano material modifier has a tubular structure or a layered structure, and the average pipe diameter or interlayer spacing of the carbon-based nano material modifier is smaller than the average pore diameter of the pulverized coal. Compared with fuel coal water slurry not containing the carbon-based nano material modifier, the coal water slurry can reduce the combustion temperature, inhibit mineral substance pyrolysis and generation of nitrogen oxides and carbon monoxide, thereby reducing the heat loss of coal combustion. The carbon-based nano-material modifier has a tubular structure or a layered structure, and compared with other ranges, the average pipe diameter or interlayer spacing of the carbon-based nano-material modifier is limited to be smaller than the average pore diameter of the pulverized coal, so that water can leave a coal particle pore structure and enter the carbon-based nano-material modifier, the volatilization temperature of the water in the combustion process is reduced, and the combustion efficiency is improved. Therefore, the calorific value of the fuel coal water slurry is improved.

The invention provides a charcoal-electricity co-production device system for realizing biomass utilization by coupling a pyrolysis gasification furnace with a boiler. The charcoal-electricity co-production device system comprises a coal-fired boiler, the pyrolysis gasification furnace and a condensing device which are circularly connected, the coal-fired boiler comprises an economizer; the pyrolysis gasification furnace comprises a reaction inner barrel and a heating outer barrel; an inlet of the economizer is connected with the heating outer cylinder through a flue gas pipeline; and the reaction inner cylinder is connected with a pyrolysis auxiliary gas conveying pipeline. Biomass raw materials with different qualities are utilized in a graded mode, high-quality biomass charcoal, carbon-based fertilizer and high-calorific-value biomass fuel gas are generated, and economical operation of coal-fired boiler coupling biomass blending combustion is achieved.

The present invention discloses a biomass pyrolysis hydrogen production reaction device and a method of use, and belongs to the technical field of biomass pyrolysis hydrogen production. A biomass pyrolysis hydrogen production reaction device includes: a tank body and a mixed catalytic mechanism; the inside of the tank body is provided with a second fixed cylinder, a guide cylinder, a fixed cylinder, a connecting cylinder and a first fixed cylinder from bottom to top; the side wall of the second fixed cylinder is provided with an air inlet pipe, the inside of the second fixed cylinder is provided with a dust particle catalyst, the top of the first fixed cylinder is provided with an air outlet pipe, and the end of the air outlet pipe away from the first fixed cylinder passes through the top of the tank body; the mixed catalytic mechanism is arranged inside the second fixed cylinder, the fixed cylinder and the first fixed cylinder, and is used to make the high-temperature flue gas fully contact with the dust particle catalyst. The present invention fully mixes the dust particle catalyst with small particle size and easy to fly with the high-temperature flue gas through the mixed catalytic mechanism, improves the contact degree between the catalyst and the high-temperature flue gas, and thus effectively improves the efficiency of hydrogen production by cracking the high-temperature flue gas.

Integrated circuit ("IC") structures and electronic packages that utilized an inorganic-convertible polymer to improve bond strength and thermal conductivity are described. In one embodiment, the inorganic-convertible polymer acts as a side fill material to seal a die periphery and improve direct bonding strength. In another embodiment, the inorganic-convertible polymer acts as a thermal bonding layer to increase the thermal conductivity between a die and a thermal solution.

The utility model relates to the technical field of CPU heat dissipation, in particular to a heat dissipation structure which comprises a main heat dissipation device, a first expansion heat dissipation device, a second expansion heat dissipation device, a heat conduction pipe, a heat dissipation block, a heat dissipation sheet and a fixing support, the heat conduction pipe is arranged at one end of the main heat dissipation device, and the heat dissipation block is fixedly arranged above the heat conduction pipe; the first expansion radiator and the second expansion radiator are respectively connected with the radiating block through radiating fins; the cooling fins are soft in texture and can be bent by a certain angle; the fixed support body is connected with the main radiator, the first expansion radiator and the second expansion radiator are lifted through the movable support, and when the movable support deforms, the first expansion radiator and the second expansion radiator are driven to rotate. The position of the claw radiator is adjusted through the fixing support, the limitation of an existing claw radiator is overcome, the radiating efficiency is improved, meanwhile, the occupied space of a main board is reduced, the mounting and dismounting processes of the radiator are simplified, and a more convenient and efficient radiating solution is provided for a user.

The invention discloses an automatic pressure adjusting feeding system of household garbage pyrolysis equipment, and relates to the technical field of household garbage pyrolyzing.The automatic pressure adjusting feeding system comprises a pyrolysis gasification furnace, a sealing cover mechanism is arranged at the top end of the pyrolysis gasification furnace, and the sealing cover mechanism controls the size of an inlet of an inner layer channel of a channel; further, the material compactness is increased through cooperation with the push head, so that the internal pressure of the pyrolysis gasification furnace is in a negative pressure state; and a support is arranged on the other side of the pyrolysis gasification furnace, a feeding mechanism is arranged on the outer side of the support, and the feeding mechanism controls the amount of the garbage filled at a time according to the combustion requirement, so that organic components in the household garbage are fully pyrolyzed and gasified, and the household garbage treatment requirement is met. The pressure is automatically sensed and fed back through the sensor, a right side layer plate is additionally arranged in the transverse material guide box, the layer plate is connected with the interior of the device through a hinge, and then the angle of the layer plate is controlled.

To promote heat radiation of a cable for supplying electric power to an electric heating type catalyst device.SOLUTION: The vehicle includes the engine 20 located in the engine room 110, the EHC50 that defines the flow passage of the exhaust gas together with the exhaust gas pipe 40 in the engine room 110 and supports the catalytic converter on the catalytic converter support that generates heat by being energized, and the third EHC50 cable 82 that connects the power supply device 70 for supplying power to the EHC50 and the 2EHC, and at least a part of the third 2EHC cable 82 is located on the upward direction side with respect to the 28A of the upper end surface of the head cover 28 of the engine 20.SELECTED DRAWING: Figure 1

The invention provides a passive heat exchanger air inducing cover synergistic structure and an optimization design method thereof, relates to the technical field of heat exchanger structure design, and solves the problems that an existing heat exchanger is low in ventilation rate and serious in airflow lateral loss. Wherein the optimal design object is the arrangement angle of the passive heat exchanger air inducing cover and the projection length of the passive heat exchanger air inducing cover on the end face; in the optimization design process, the ventilation rate of the passive heat exchanger under the air inducing covers of various specifications is calculated in a porous medium model simulation mode, the air inducing cover arrangement angle and the projection length meeting the preset engineering requirement are selected according to the ventilation rate, and the corresponding air inducing cover synergistic structure is determined; the induced air cover synergistic structure is a circle of plate-shaped induced air cover arranged around the periphery of the end face of the heat exchanger serving as an airflow inlet. The ventilation rate and the heat dissipation performance of the passive heat exchanger under the natural air cooling condition can be remarkably improved, and an efficient, reliable and low-maintenance heat dissipation solution is provided for a high-power-density wind turbine generator.

The invention belongs to the field of petrochemical environmental protection, and relates to a cleaning-low-temperature pyrolysis combined remediation method for high-concentration petroleum contaminated soil. The problems of long oily soil treatment period, low efficiency, high cost and the like in an existing repairing process are solved. The method comprises the following steps: step 1, pretreating the petroleum-contaminated soil; 2, cleaning treatment is conducted on the contaminated soil, specifically, the prepared cleaning solution is added into a cleaning tank containing oily soil, after heating and stirring are conducted, the mixed solution in the cleaning tank is subjected to centrifugal treatment, and the centrifuged mixed solution is divided into three layers including an upper layer oil phase, a middle mixed solution and a bottom layer eluted soil; recovering an upper-layer oil phase and a middle-layer cleaning solution, and collecting lower-layer eluted soil; and 3, the lower-layer eluted soil is placed in a pyrolyzing furnace for low-temperature pyrolysis treatment. Petroleum pollutants in the soil are greatly recycled through the cleaning process under the optimal condition, the contaminated soil can be treated to reach the national construction land standard through the subsequent low-temperature pyrolysis process, economic benefits are created while hazardous waste is treated, the cost is reduced, the efficiency is improved, and the environmental protection pressure is relieved.

Various methods and systems are disclosed that include water washing of recycled pyrolysis oil for feed to a cracking unit, and in one embodiment includes a method that includes contacting the recycled pyrolysis oil with water to produce a refined pyrolysis oil, and cracking the refined pyrolysis oil to produce products.

The present invention relates to the technical field of waste treatment, and provides a solid recovered fuel preparation system and preparation method, the treatment system comprises: a sorting device, a pyrolysis device, a combustion reactor, and a drying device, wherein the high-temperature flue gas generated by the combustion reactor is transported to the pyrolysis device and the drying device via a pipeline. The preparation method comprises: screening the combustible waste in the waste to be treated; the combustible waste is divided into two parts, wherein one part of the combustible waste is used for pyrolysis treatment to generate pyrolysis gas, and then the pyrolysis gas is burned to generate high-temperature flue gas; the high-temperature flue gas is used to provide heat for the pyrolysis device and the drying device, and the other part of the combustible waste is dried to prepare solid recovered fuel. The solid recovered fuel preparation system and preparation method do not require an external drying heat source, and can realize energy recycling within the system while treating the waste.

A device package comprising an integrated cooling assembly. The device package may comprise multiple semiconductor devices and one or more cold plates attached to one or more of the semiconductor devices. For example, the device package may comprise a first semiconductor device, a second semiconductor device, and a third semiconductor device, wherein the second semiconductor device is disposed adjacent to the first semiconductor device in a first direction and the third semiconductor device is disposed adjacent to the second semiconductor device in the first direction. The device package may also comprise a cold plate attached to the second semiconductor device, wherein the cold plate comprises a plurality of coolant channels that extend along a second direction perpendicular to the first direction.