78results about How to "Efficient diffusion" patented technology

The invention discloses a heat radiation method and device for a built-in electromobile battery pack. According to the heat radiation device, a multi-channel micro slot group composite phase change heat radiation module is connected with a heating surface on each side of each single battery inside the battery pack, each multi-channel micro slot group composite phase change heat radiation module is an I-shaped heat radiation module consisting of a cavity connected with fins on two sides; the heating surfaces on two sides of each single battery are respectively connected with the cavities; every two multi-channel micro slot group composite phase change heat radiation modules are arranged in one row in an alternative insertion manner; a channel gap in which air or insulating cooling fluid can flow conveniently is formed between every two adjacent rows of the multi-channel micro slot group composite phase change heat radiation modules; the single batteries and the multi-channel micro slot group composite phase change heat radiation modules are mounted in a battery pack box; ventilation holes or liquid inlets and liquid outlets of the insulating cooling fluid are formed in the upper side and the lower side of the battery pack box. The invention further discloses a heat radiation method for the built-in electromobile battery pack.

The invention provides a preparation method of polyimide foam plastic. The method comprises the steps as follows: firstly, after dianhydride is mixed with low-level aliphatic alcohol, an esterification reaction is performed, and a diacid diester solution is obtained; then the obtained diacid diester solution is mixed with polymerized monomer amine and polyamic acid powder to obtain a mixed solution; and finally, the obtained mixed solution is sequentially subjected to foaming and thermal imidization after concentration to obtain the polyimide foam plastic. The invention further provides the polyimide foam plastic and the preparation method thereof, and the method comprises the step that polyamic acid powder is added when dianhydride and isocyanate are used for preparing the polyimide foam plastic. According to the invention, the polyamide acid powder serves as a nucleating agent, so that a cell of an objected formed by foaming of polyimide is fine and smooth, that is, the size distribution of the cell is improved, the cell uniformity is better, then the flexibility performance and the like of the polyimide foam plastic are improved; meanwhile, the heat resistance is not influenced; and besides, the preparation method of the polyimide foam plastic is concise in processing, and low in energy consumption and production cost.

The invention discloses a grain boundary diffusion method of an R-Fe-B rare-earth sintered magnet, an HRE diffusion source and a fabrication method thereof. The grain boundary diffusion method comprises the following steps of forming film engineering A on a high-temperature resistant carrier, wherein HRE compound powder is attached onto the film, and the HRE is selected from at least one of Dy, Tb, Gd and Ho; and placing the R-Fe-B rare-earth sintered magnet and the high-temperature resistant carrier processed by the engineering A in a processing room, performing thermal treatment on the R-Fe-B rare-earth sintered magnet and the high-temperature resistant carrier in vacuum or inert atmosphere, and supplying HRE engineering B to a surface of the R-Fe-B rare-earth sintered magnet from the high-temperature resistant carrier. By the method, consumption of a heavy rare-earth element can be reduced, and the loss of residual magnetism Br of the magnet is controlled as well as the coercivity is improved.

The invention discloses a sedimentation tank for water treatment, which comprises a tank body. A conical barrel is arranged in the tank body, circumferentially distributed stirring plates are arrangedabove the conical barrel, and shower nozzles are arranged among the stirring plates. According to the sedimentation tank for water treatment, through arrangements of the shower nozzles among the stirring plates and a water inlet pipe and the conical barrel located on the same plane as the stirring plates, rotational flow is generated by sewage, so that a flocculating agent can be efficiently diffused in a centrifugal mode and fully mixed with the sewage, and at the same time, accumulation and descending of the sedimentation are accelerated; a filter cartridge, a cleaning scraper plate, and acollecting scraper plate are arranged, and separation of the sedimentation and the sewage is accelerated while blockage of a sieve is avoided; and a fishing socket, a fixing barrel, and a fishing bucket are arranged, so that the swirling garbage which moves around and floats around circumferentially under the action of the rotational flow is efficiently salvaged and discharged.

The invention relates to a preparation method for a novel gasoline hydrodesulfurization catalyst. The preparation method for the novel gasoline hydrodesulfurization catalyst comprises the following steps of: uniformly mixing a solvent, a metal ion precursor and an organic ligand; and then carrying out aging and solvent heat crystallization on an obtained mixture; filtering, washing and drying a solvent heat crystallization product, so as to obtain ZIFs; treating the obtained ZIFs by acid to modify the ZIFs, so as to obtain a hydrodesulfurization catalyst carrier; loading an active component on the hydrodesulfurization catalyst carrier by using an equivalent-volume impregnation method; and drying and roasting the hydrodesulfurization catalyst carrier, so as to obtain the gasoline hydrodesulfurization catalyst. The catalyst obtained by using the preparation method provided by the invention obtains better reaction performance on the gasoline hydrodesulfurization aspect.

The invention provides a treating agent as well as a method and a device for continuously reducing hydrogen sulfide in an oil well shaft. The treating agent is a mixture prepared by uniformly mixing the following components: 30-40% of industrial paraffin wax, 0-10% of polyethylene wax, 50-60% of calcium hypochlorite and 10-20% of sodium hydroxide and / or sodium carbonate. The treating agent is prepared by the steps as follows: heating the industrial paraffin wax, or the industrial paraffin wax and the polyethylene wax to be molten, slowly adding the sodium hydroxide and / or the sodium carbonate and the calcium hypochlorite, uniformly stirring, pouring into a mould, cooling to prepare cylindrical or spherical substances with different diameters, and obtaining the treating agent as a solid product. The treating agent is placed in raw oil, the paraffin wax is slowly dissolved in the raw oil, and alkali for reducing the hydrogen sulfide is released to continuously reduce the hydrogen sulfide, so that the hydrogen sulfide in the raw oil can be removed before extracted from the mouth of a well, and the hazard caused by the hydrogen sulfide is eliminated.

The invention discloses an offshore garbage disposal, rescue and electricity generation integrated system. The offshore garbage disposal, rescue and electricity generation integrated system comprises real-time monitoring equipment, wind power generation rotary blades, solar cell panels, eccentric rotary type electricity generation parts, air bin type electricity generation upper half parts, air bin type electricity generation low half parts, water snake type floating belt upper floating blocks, water snake type floating belt circuit connecting belts, fresh water collecting and supplying devices, miniature remote control lifeboat devices, garbage blocking nets, fixing anchor ropes and fixing anchor plates. Immediate emergency rescue of offshore drowning people is carried out by using a real-time monitoring system in cooperation with the intelligent remote control lifeboats. Clean renewable energy sources are produced by using sea wave energy, wind energy and solar energy on the ocean. Thus, multi-aspect, multifunctional and high-efficiency contributions to people are made.

The invention provides a method for managing data communication channels of synchronous digital system equipment, which comprises: step S102, namely, binding a plurality of data communication channels between two neighboring network elements into an inserting control channel, respectively arranging communication channels namely master control channels which are used for sending data for the two neighboring network elements on one of a plurality of data communication channels of the inserting control channel, and noticing an upper layer protocol that the inserting control channel is normal, step S104, namely, selecting another new master control channel for the network element which is corresponded with the master control channel which goes wrong from a plurality of the data communication channels when the master control channel which is corresponded with one of the two neighboring network elements, noticing the superjacent bed protocol that the inserting control channel is unavailable if a normal data communication channel is not existed in a plurality of data communication channels, thereby the managing communication network topological complexity is simplified when SDH(SONET) equipment is combined into the network, and the survivability of a data communication network is increased.

A device for temperature-controlled aerobic-anaerobic coupled biological hydrogen production comprises a fermentation tank which is installed on a base, wherein the base is provided with a universal wheel which can rotate for 36 degrees and a wheel lock; one side of a fermentation tank body is provided with a feed port, and the other side of the fermentation tank body is provided with a discharge port; the inner part of the fermentation tank is a double-reaction area structure which consists of an aerobic pretreatment chamber and a fermentation hydrogen production chamber, and valves which can be opened from one direction are respectively arranged in the middles of the aerobic pretreatment chamber and the fermentation hydrogen production chamber; a baffle is installed at the inner wall of the fermentation tank; the fermentation tank body is of a double-layer structure, namely two independent interlayers wrapping the aerobic pretreatment chamber and the fermentation hydrogen production chamber; heat transfer liquid is filled in interlayers; the two interlayers are respectively provided with a liquid inlet valve and a liquid discharge valve, and connected by pipelines to form a temperature control layer; and a nanophase ceramic membrane roller penetrates through the center of the tank body, and the gas outlet of the nanophase ceramic membrane roller is connected with a gas collection device. The invention further discloses a method for biological hydrogen production utilizing the device.

The invention discloses a selective doping method for an N-type solar cell. The method comprises the steps of employing boron slurry as a heavily doped region diffusion source, and employing a gas-phase boron source as a lightly doped region diffusion source, before boron slurry is printed, covering the surface of a silicon wafer with a first oxide layer firstly, then covering the printed boron slurry with a second oxide layer, and through blocking of the two oxide layers, achieving the purposes that boron slurry outward expansion is reduced and the doping amount of a lightly doped region canalso be reduced, and during high-temperature propulsion, adopting a differentiated propulsion mode, firstly propelling a heavily doped region taking boron slurry as a boron source, then introducing agas-phase boron source, and jointly propelling the heavily doped region and the lightly doped region, so that heavily and lightly doped differentiated obvious distribution is realized.

A coil-integrated switching power supply module that provides an improved heat radiation effect to keep the temperature of the entire coil-integrated switching power supply module to a lower value includes a thermal diffusion conductor pattern arranged around a hole through which a magnetic core extends on a layer. The thermal diffusion conductor pattern continuously extends in areas where coil conductor patterns are located on other layers and outside areas where the coil conductor patterns are located on the other layers. In addition, the thermal diffusion conductor pattern includes slits at portions thereof and does not define a closed loop around the hole through which the magnetic core extends.

In this air cleaner, air sucked into a body case 1 is purified by a prefilter 29, the dust collecting filter 30 and a deodorizing filter 31, and is blown outside the body case 1. In the air cleaner, ozone is generated by an ozonizer 37 provided on the windward side of the prefilter 29, and is diffused on the windward side of the prefilter 29. The air sucked into the body case 1 is guided upward on the windward side of the prefilter 29 by a first guidance part 13, and is guided downward on the windward side of the prefilter 29 by a second guidance part 14 provided opposite to the first guidance part 13. Thereby, by diffusing ozone all over the whole face on the windward side of the filter, the miscellaneous germs adhering to the filter can be extensively sterilized, and adsorbed bad smell components can be extensively removed.

The invention relates to an antibacterial modified chitosan foaming agent and a preparation method thereof. The preparation method of the antibacterial modified chitosan foaming agent comprises the steps of preparing modified chitosan, extracting white tea, preparing a complex solution containing chitosan, preparing a corn protein complex solution and preparing an antibacterial modified chitosan foaming agent. The antibacterial modified chitosan foaming agent has antibacterial ability more than 99% on staphylococcus aureus, escherichia coli, streptococcus, candida albicans or pseudomonas aeruginosa and shows good bacteriostatic ability. The antibacterial modified chitosan foaming agent can be applied to treatment on bacterial vaginitis, colpomycosis and mixed vaginitis and can be widely applied.

The invention provides an air cleaner with high commercial value which is combined organically with an electrolytic mist generator. The electrolytic mist generator 30 is incorporated within the air cleaner 1. The electrolytic mist generator 30 comprises a tray 33 for storing water, a pair of electrodes 41 to electrolyze the water in the tray 33, a structure for guiding the water in the tray 33 to a vibration applying chamber 46 and for generating mist using an ultrasonic vibrator 50, a dome 56 to be filled with the generated mist, and a mist drifting chamber 60 for making the mist to drift within itself. The mist drifting within the drifting chamber 60 is diffused outside using air cleaned by the air cleaner.

The invention discloses a condensing and radiating heating panel, which is composed of a hollow heat conduction panel, a capillary structure and a gas-liquid two-phase fluid; the capillary structure is composed of sintering cores and liquid-sucking cores; the sintering cores are lined at the periphery of the inner surface of the hollow heat conduction panel and the inside surface of the heating surface of the hollow heat conduction panel; the liquid-sucking cores are filled in the hollow part of the hollow heat conduction panel and closely connected with the sintering cores; the gas-liquid two-phase fluid is soaked in the pore structures of the liquid-sucking cores and the sintering cores; the inside surface of a radiating surface of the hollow heat conduction panel is provided with a drainage layer which is closely connected with the liquid-sucking cores; the external surface of a radiating condensing surface is a fractal surface which is a self-affine fractal structure surface and provided with at least two levels of concave-convex structures; and the liquid-sucking core structure is of a porous foam honeycomb structure. The heating panel can efficiently spread heat generated by airborne electric equipment of an aircraft under the condition of no-pump drive, thus ensuring efficient, safe and stable operation of the airborne equipment in the spacecraft.

The invention provides P-doped glass powder, a preparation method of the P-doped glass powder, and a method for preparing positive silver slurry for a solar battery from the P-doped glass powder, andrelates to glass powder, a preparation method of the glass powder and a method for preparing the positive silver slurry from the glass powder. The invention aims at solving the problems that when P-doped glass is prepared by the existing method, the P doping efficiency is low; the positive silver slurry for solar battery prepared by the P-doped glass powder causes low incident photon-to-electron conversion efficiency of the crystal silicon solar battery when being printed onto the crystal silicon solar battery cells. The P-doped glass powder is prepared from PbO, Bi2O3, SiO2, TeO2, ZnO, MgO, B2O3 and a phosphorus source. The method comprises the steps of 1, material mixing; 2, mixed powder preparation; 3, melting; 4, P doping. The positive silver slurry for the solar battery prepared by the P-doped glass powder is prepared from the P-doped glass powder, silver powder and organic carriers. The method comprises the following steps of 1, material weighing and 2, grinding. The P-doped glass powder can be obtained.

The invention discloses an automatic liquid nitrogen fire-extinguishing and explosion-suppressing system for an oil tank region. The automatic liquid nitrogen fire-extinguishing and explosion-suppressing system comprises a liquid nitrogen storage station, a low-temperature liquid nitrogen booster pump and a monitoring-jetting integrated box, wherein the monitoring-jetting integrated box comprises a housing, a glass ball expansive type constant-temperature fire detector with a glass ball fracture free surface, an expanding cavity and a horn-shaped outlet; the glass ball expansive type constant-temperature fire detector, the expanding cavity and the horn-shaped outlet define a low-temperature nitrogen gas cavity; the top of the liquid nitrogen storage station is connected with a self-lifting buffer tank through a gas exhaust interface; the self-lifting buffer tank communicates with the low-temperature nitrogen gas cavity through a housing upper interface; the low-temperature liquid nitrogen booster pump is connected with an inlet of a low-temperature ball valve; an outlet of the low-temperature ball valve is connected with the glass ball fracture free surface through a rear section of a gas storage tube; a connecting line is arranged on the rear section of the gas storage tube; a pressure feedback device, a fire-fighting linkage controller and an alarm are sequentially connected on the connecting line; and the alarm is connected with a control end of the low-temperature ball valve. The system can solve the fire efficient response problem, the liquid nitrogen effective conveying problem, the liquid nitrogen efficient atomizing problem and the liquid nitrogen diffusing problem, so that the purpose of automatically and efficiently suppressing explosion and extinguishing fire in an oil tank is achieved.

The invention relates to the technical field of big data servers, in particular to an efficient-heat-dissipation big data server. The server comprises a box body, a rubber base is fixedly mounted at the bottom in the box body; a server body is fixedly mounted in the middle of the upper surface of the rubber base through a plurality of bolts; heat dissipation devices are fixedly installed in the middles of the two sides of the server body. The heat dissipation device comprises a through opening formed in the middle of one side of the box body and a water cooling mechanism fixedly installed in the middle of one side of the server body. A heat dissipation net is fixedly installed in the middle in the through opening, a dustproof mechanism is fixedly installed on one side of the heat dissipation net, a heat dissipation mechanism is fixedly installed on the other side of the heat dissipation net, the heat dissipation mechanism and the dustproof mechanism are fixedly connected to the box body through a plurality of bolts, and one side of the heat dissipation mechanism and one side of the water cooling mechanism are connected in a bonded mode. The big data server with the efficient heat dissipation function has high heat dissipation performance, and dust prevention can be effectively conducted while efficient heat dissipation is guaranteed.

The invention discloses an automatic food and drink oil-water separating device. The automatic food and drink oil-water separating device comprises a slag removal system, a filtering apparatus, a slagremoval barrel, an oil-collecting barrel, a supersonic wave liquid level identification system, a nano photon smell-removal apparatus, a comprehensive control system, a pollution-discharge power system, an air-discharge power system, a gravity induction apparatus, a functional alarming system, and an abnormal alarming system, the drink oil-water separating device is capable of identifying an oil-water surface height through a supersonic wave identification apparatus, and the oil-water separating and discharging can be controlled through a liquid-level height signal; the system sets three reference liquid level heights which are a position A over a water-discharge port, a position B below an oil-extraction port, and a highest oil-level alarming position C; after a signal is emitted by supersonic wave equipment, a received first reflection signal is an oil-surface reflection signal, a second reflection signal is an oil-water interface reflection signal, and a third reflection signal isa single reflected by bottom of the casing. The automatic food and drink oil-water separating device has higher efficiency for slag removing and oil-water separating, solves the problem of substandarddischarge, and avoids outward diffusion of peculiar smell.

The present invention provides an electric vacuum cleaner, comprising: a cleaner main body having a built-in electric blower for producing suction air, wherein the suction air is used for sucking the dust on a surface to-be-cleaned; and a sound absorption part, which is configured in an air induction way by which the suction wind generated by the electric blower reaches the cleaner main body. The sound absorption part comprises: a cylinder which is internally provided with a suction flow path constituting part of an air suction passage and at least one opening portion, a cover mounted on the cylinder and covering the opening portion, and a sound absorption member disposed between the opening portion and the cover. The sound absorption member is formed by the way that the density close to the cover body side is greater than that of the side close to the opening portion.

The invention provides a lighting device in an automobile compartment, which lights up the periphery thereof and is simple in structure.The lighting device (1) comprises a main body (2) and a lens (3), which are arranged on the ceiling (4) of the compartment.The main body (2) comprises a housing (22), a substrate (23), an upper housing (24), a reflection plate (25) and a light guide body (26), which are sequentially laminated and integrated into one body.The housing (22) is made of materials with light diffusing and light transmitting performances, such as resin containing a diffusion agent.The four corners of the main body (2) are equipped with an accessory luminescent part (31) described later.Light is irradiated towards the ceiling (4) from the outer edge by the accessory luminescent part (31).

The invention relates to the technical field of fuel cells, in particular to a proton exchange membrane fuel cell metal bipolar plate beneficial to fluid distribution. The proton exchange membrane fuel cell metal bipolar plate comprises a substrate, a cathode plate, an anode plate and a proton exchange membrane, a plurality of anode grooves and cathode grooves are respectively formed in the two opposite sides of the substrate which are away from each other, and the directions of the anode grooves and the cathode grooves are consistent. The adjacent anode grooves and cathode grooves are distributed at intervals, the anode plate is fixedly embedded in cathode grooves, and and the cathode plate i fixedly embedded in cathode grooves. The substrate is also provided with proton exchange holes consistent with the anode grooves in direction, and the proton exchange membranes are fixedly embedded in the proton exchange holes. According to the invention, a flow field for optimizing the metal bipolar plate is realized, the risk of local under-inflation is reduced, and a fuel cell stack can be kept in normal operation.

The invention provides a preparation method of polyimide foam plastic. The method comprises the steps as follows: firstly, after dianhydride is mixed with low-level aliphatic alcohol, an esterification reaction is performed, and a diacid diester solution is obtained; then the obtained diacid diester solution is mixed with polymerized monomer amine and polyamic acid powder to obtain a mixed solution; and finally, the obtained mixed solution is sequentially subjected to foaming and thermal imidization after concentration to obtain the polyimide foam plastic. The invention further provides the polyimide foam plastic and the preparation method thereof, and the method comprises the step that polyamic acid powder is added when dianhydride and isocyanate are used for preparing the polyimide foam plastic. According to the invention, the polyamide acid powder serves as a nucleating agent, so that a cell of an objected formed by foaming of polyimide is fine and smooth, that is, the size distribution of the cell is improved, the cell uniformity is better, then the flexibility performance and the like of the polyimide foam plastic are improved; meanwhile, the heat resistance is not influenced; and besides, the preparation method of the polyimide foam plastic is concise in processing, and low in energy consumption and production cost.

The invention provides an air cleaner with high commercial value which is combined organically with an electrolytic mist generator. The electrolytic mist generator 30 is incorporated within the air cleaner 1. The electrolytic mist generator 30 comprises a tray 33 for storing water, a pair of electrodes 41 to electrolyze the water in the tray 33, a structure for guiding the water in the tray 33 to a vibration applying chamber 46 and for generating mist using an ultrasonic vibrator 50, a dome 56 to be filled with the generated mist, and a mist drifting chamber 60 for making the mist to drift within itself. The mist drifting within the drifting chamber 60 is diffused outside using air cleaned by the air cleaner.

The present invention provides a solid polymer electrolyte fuel cell and manufacturing method thereof. An intermediate layer is disposed between respective gas diffusing layers and catalyst layers of a polymer electrolyte fuel cell. This intermediate layer is mainly an electron-conductive filler and a binder, and has voids that are continuous in a thickness direction inside the intermediate layer, the intermediate layer has a solid volume percentage that is at least 3 percent and no larger than 30 percent, and a volume ratio occupied by voids that have a void diameter that is at least 1 mum and no larger than 30 mum of at least 50 percent of overall intermediate layer volume.

The invention discloses a lanthanum actinide group separation system and a lanthanum actinide group separation method based on oxidation, screening and extraction coupling. The system comprises a feed liquid area, a permeation area and a separation membrane for separating the feed liquid area from the permeation area, the actinide ions are oxidized into actinide ions by adopting an oxidizing agent in the feed liquid area, the oxidizing agent and the actinide ions in the feed liquid area are intercepted in the feed liquid area by a separation membrane, and the lanthanide ions in the feed liquid area continuously penetrate through the separation membrane to be diffused into a water phase in the permeation area and are extracted into an organic phase by an extracting agent; meanwhile, the organic phase in the permeation area cannot diffuse to the feed liquid area. According to the invention, the three different modules of oxidation, screening and extraction are effectively combined, and the separation of lanthanum and actinide elements is efficiently and stably realized in a manner of coupling and linking the three modules of oxidation, screening and extraction.

The invention discloses an automatic liquid nitrogen fire-extinguishing and explosion-suppressing system for an oil tank region. The automatic liquid nitrogen fire-extinguishing and explosion-suppressing system comprises a liquid nitrogen storage station, a low-temperature liquid nitrogen booster pump and a monitoring-jetting integrated box, wherein the monitoring-jetting integrated box comprises a housing, a glass ball expansive type constant-temperature fire detector with a glass ball fracture free surface, an expanding cavity and a horn-shaped outlet; the glass ball expansive type constant-temperature fire detector, the expanding cavity and the horn-shaped outlet define a low-temperature nitrogen gas cavity; the top of the liquid nitrogen storage station is connected with a self-lifting buffer tank through a gas exhaust interface; the self-lifting buffer tank communicates with the low-temperature nitrogen gas cavity through a housing upper interface; the low-temperature liquid nitrogen booster pump is connected with an inlet of a low-temperature ball valve; an outlet of the low-temperature ball valve is connected with the glass ball fracture free surface through a rear section of a gas storage tube; a connecting line is arranged on the rear section of the gas storage tube; a pressure feedback device, a fire-fighting linkage controller and an alarm are sequentially connected on the connecting line; and the alarm is connected with a control end of the low-temperature ball valve. The system can solve the fire efficient response problem, the liquid nitrogen effective conveying problem, the liquid nitrogen efficient atomizing problem and the liquid nitrogen diffusing problem, so that the purpose of automatically and efficiently suppressing explosion and extinguishing fire in an oil tank is achieved.