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1229 results about "Flow divider" patented technology

Vehicle interior laser cutting machine tool

The invention provides a vehicle interior laser cutting machine tool, and relates to the technical field of laser cutting machine tools, the vehicle interior laser cutting machine tool comprises a cutting table and a laser cutting head, the middle of the cutting table is hollow, a drawer type waste tray is movably inserted in the cutting table, one end of the cutting table is fixedly provided with a dust collector, and the other end of the cutting table is fixedly provided with an air blowing pump; shunting seats are fixedly mounted on the two sides of the cutting table, a plurality of dust collection holes are formed in the two side walls in the cutting table at equal intervals, cavities used for collecting dust are formed in the two side walls in the cutting table, and the output end of the dust collector is fixedly communicated with the two cavities in the cutting table; the adjusting assembly is installed at the top of the cutting table and used for adjusting the position of the laser cutting head, and the bearing sets are installed on the cutting table at equal intervals and used for containing the vehicle interior trim panel. According to the laser cutting machine tool, the sealing windshield is driven to be opened and closed through the rollers in the adjusting assembly, the purpose of air duct follow-up switching is achieved, and the laser cutting machine tool has the excellent cleaning capacity for kerfs of a to-be-cut piece.
Owner:JIANGSU LICHI CNC MASCH TOOL MFG CO LTD

Heat pump rectification system

The utility model relates to the technical field of heat pump rectification, and particularly discloses a heat pump rectification system which comprises a rectification tower; the tower top gas liquefaction system comprises a compressor connected with a gas phase at the top of the rectifying tower, and a reboiler, a throttling device, a condenser and a flow divider which are sequentially connected with the compressor; liquid phase connection at the bottom of the rectifying tower is communicated with the reboiler, the tower bottom reboiling system comprises an auxiliary reboiler and a flash evaporator which are sequentially communicated with the reboiler, and the flash evaporator is communicated to the rectifying tower; and the gas phase at the top of the rectifying tower is heated by the compressor and then enters the reboiler to exchange heat with the liquid phase at the bottom of the rectifying tower, so that the rectifying energy consumption can be reduced, and the energy-saving effect is achieved.
Owner:CHONGQING TIANRUI CHEM EQUIP CO LTD +2

Two-dimensional bionic multi-stage cone diverter for laser processing and application device of two-dimensional bionic multi-stage cone diverter

The invention discloses a two-dimensional bionic multi-stage conical flow divider for laser processing and an application device thereof, and the two-dimensional bionic multi-stage conical flow divider is characterized in that the upper surface and the lower surface of the two-dimensional bionic multi-stage conical flow divider are provided with micro-groove structures, and the micro-groove structures are longitudinal parallel grooves distributed in a linear array; the two-dimensional bionic multistage cone flow divider is of a bilateral symmetry structure and specifically comprises a single primary main cone and a plurality of secondary small cones on the single side, the secondary small cones are distributed on the two sides of the primary main cone at equal intervals, and the included angle between each secondary small cone and the primary main cone ranges from 9 degrees to 21 degrees. The cone angle of the first-stage main cone structure is 9-21 degrees, the length of the first-stage main cone structure is 8-12 mm, the cone angle of the second-stage small cone structure is 9-21 degrees, the length of the second-stage small cone structure is 1-3 mm, the depth of the micro-groove structure is 35-45 micrometers, and the center-to-center distance of the micro-groove structure is 28-35 micrometers. According to the two-dimensional bionic multistage conical flow divider for laser processing and the application device thereof, the problem that the efficiency of spontaneous continuous separation of existing multiphase immiscible organic liquid drops is low is solved.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Filtration system and method for synchronizing permeate and retentate flow

A fluid filtration system includes a fluid storage vessel such as a bioreactor, a filter housing including a filter element disposed therein, a pump coupled between the fluid storage vessel and the filter housing, and a flow diverter disposed between the pump and the filter housing. The pump is configured to move fluid from the fluid storage vessel through the filter element, and the flow diverter is configured for selectively directing fluid received from the pump to the first or second end of the filter housing. In a first mode of operation, the flow diverter directs flow through the filter housing in a first direction, while in a second mode of operation, the flow diverter directs flow through the filter housing in a second direction opposite the first direction.
Owner:REPLIGEN CORP

Two-section compression type transcritical carbon dioxide heat pump system and control method thereof

The invention discloses a two-section compression type transcritical carbon dioxide heat pump system and a control method thereof. An outlet of a second compressor sequentially passes through a high-temperature heat exchanger and a flow divider and then is divided into two paths; wherein one path is communicated with an inlet of a first expansion machine through a heat flow stream inlet valve of the first heat regenerator, the hot side of the first heat regenerator and the hot side of the second heat regenerator, and the other path is communicated with an inlet of a second expansion machine through a heat flow stream inlet valve of the third heat regenerator and the hot side of the third heat regenerator in sequence; the outlet of the second expansion machine is communicated with the inlet of the mixer through the cold side of the second heat regenerator, the cold stream inlet valve of the first heat regenerator and the cold side of the second heat regenerator in sequence; an outlet of the first expansion machine communicates with an inlet of the mixer through the low-temperature heat exchanger, a cold stream inlet valve of the third heat regenerator, the cold side of the third heat regenerator and the first compressor, an outlet of the mixer communicates with an inlet of the second compressor, and the comprehensive energy efficiency of the carbon dioxide heat pump system can be improved.
Owner:HUANENG JILIN POWER GENERATION JIUTAI ELECTRIC FACTORY +1

Array type underwater propeller with high maneuverability and low energy consumption

The invention relates to an array type underwater propeller with high maneuverability and low energy consumption, a pump jet generating device and a flow divider jointly form a propeller front end, an intelligent fluid director forms a propeller rear end, and the pump jet generating device drives an impeller through a rotating motor to drive surrounding water flow to rotate to generate a main jet flow; an isolation structure is arranged in the flow divider and used for evenly dividing the main jet flow into multiple strands of independent sub jet flows, and all the sub jet flows form propelling power after entering the intelligent flow guider to be guided. The intelligent fluid directors are connected with the flow channels of the flow divider in a one-to-one correspondence mode and used for converting fluid flowing out of the flow divider and out of the jet flow face into effective action jet flow with the adjustable flow speed. The intelligent fluid director comprises a jet flow end regulation and control mechanism and a pressure relief end regulation and control mechanism, and the jet flow end regulation and control mechanism is used for independently regulating the flow speed of effective jet flow ejected from the fluid director; and the pressure relief end regulation and control mechanism is used for maintaining the constant flow velocity at the inlet of the fluid director by releasing part of water flow when the effective jet flow velocity is regulated.
Owner:THE 704TH RES INST OF CHINA STATE SHIPBUILDING CORP

Variable cycle engine duct experiment system and experiment method

The invention relates to the technical field of aero-engines, and particularly provides a variable cycle engine duct experiment system and experiment method. A variable cycle engine duct experiment system comprises: a first combined experiment member comprising a main flow valve and a shunt ring; the second combined experiment piece comprises a first outer culvert, a second outer culvert and an ejector; the inlet of the variable capacitor second external culvert experiment piece is connected with the external culvert outlet of the shunt ring, and the outlet is connected with the second external culvert; an inlet of the first gas collection tank is communicated with an inner culvert outlet of the shunting ring; the bypass ratio adjusting valve is used for adjusting the bypass ratio at the shunting ring; an inlet of the second gas collection tank is connected with an outlet of the first gas collection tank through an inner culvert pressurization simulator, and an outlet is communicated with the first outer culvert; an inlet of the variable capacitor confluence duct experiment piece is communicated with the second outer duct; and the outer culvert throttle valve is connected with an outlet of the variable capacitor confluence culvert experiment piece. According to the technical scheme, engine duct experiments in multiple modes can be achieved, and the experiment efficiency is improved.
Owner:BEIHANG UNIV

Uniform paving device for glass fiber felt production

The utility model relates to the technical field of glass fiber felt production, in particular to a uniform laying device for glass fiber felt production, which comprises a base, a wire drawing machine is arranged at the top of the base, a fiber discharge port is arranged at the bottom of the wire drawing machine, and an agent spraying component is arranged at the top of the base and positioned on one side of the wire drawing machine. A shaping assembly is arranged at the position, located on one side of the agent spraying assembly, of the top of the base, an adhesive in a storage box is sucked into a connecting pipe through a water pump and reaches a flow divider through the connecting pipe, and then the adhesive is evenly sprayed to glass fibers through a plurality of spraying heads at the bottom of the flow divider; the adhesive in the storage box is stirred through the stirring mechanism, so that the adhesive is fully mixed, the adhesive is prevented from sinking to the bottom, manual spraying is not needed, the cohesiveness of fibers cannot be affected, meanwhile, the labor intensity of workers is reduced, and the working efficiency is improved.
Owner:LINTEX FIBER GLASS (CHANGZHOU) CO LTD

Cabin cleaning device based on stainless steel chemical tanker

The invention relates to the technical field of ocean engineering, and discloses a cabin cleaning device based on a stainless steel chemical tanker. The high-pressure water pipe is arranged on the robot main body; the two-way pipe is rotationally arranged at the end part of the high-pressure water pipe; the connecting pipe is detachably mounted with the two-way pipe, one end, close to the two-way pipe, of the connecting pipe is a water inlet end, and the other end of the connecting pipe is a water outlet end; the front end spray head is arranged at the water outlet end of the connecting pipe, the centrifugal jet flow assembly is arranged on the connecting pipe, the centrifugal jet flow assembly comprises a flow divider fixed to the water outlet end of the connecting pipe and a flow dividing channel formed in the flow divider, the flow divider is fixed to the front end spray head, and multiple sets of circulation openings are formed in the front end spray head in the circumferential direction. The centrifugal jet flow assembly and the driving mechanism are arranged, the impeller is driven to rotate through kinetic energy of water flow, then the adjusting disc is driven to be switched to the centrifugal jet flow mode, and efficient stripping of stubborn stains is achieved.
Owner:YANGZHOU JIALONG SHIP TECHNOLOGY CO LTD

Design method and application of multi-stage centrifugal pump transition runner splitter plate

The invention discloses a design method and application of a multi-stage centrifugal pump transition runner splitter plate. Relates to the design improvement of the transition runner splitter plate structure of the multi-stage middle-open centrifugal pump. By improving the structure of the transition flow channel, the hydraulic loss in the transition flow channel is reduced, the working efficiency is improved, and the purpose of saving energy is achieved. The method comprises the following steps that S1, a mathematical model of the deviation angle of the transition flow channel splitter plate is established, S2, numerical simulation verification of the multi-stage centrifugal pump is conducted according to the mathematical model, and S3, a target model is found according to the numerical simulation verification result. According to the design method, the hydraulic characteristics of the multi-stage centrifugal pump in actual operation are analyzed, the arrangement rule of the longitudinal splitter plates is creatively revealed, and a better solution of a target model is obtained on the basis of a nonlinear rule. According to the method, r / R and alpha serve as interactive variables, and the comprehensive influence of r / R and alpha on lift and efficiency is researched through numerical simulation. The limitation of a single parameter in a traditional design is broken through, and a new thought and technical means are provided for improving the performance of the multi-stage pump.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

Supercharged SOFC / GT combined cycle system and starting method

The invention discloses a supercharged SOFC / GT combined cycle system and a starting method, and relates to an SOFC / GT combined cycle system and a starting method. The invention aims to solve the problem that the requirements of short starting time and high energy utilization rate cannot be met in the prior art. The system comprises a gas compressor, the gas compressor is coaxially connected with a turbine and a permanent magnet synchronous motor, an outlet of the gas compressor is connected with an inlet of a first flow divider, one outlet of the first flow divider is connected with a first battery assembly, and the other outlet of the first flow divider is connected with an inlet of a second flow divider; one outlet of the second shunt is connected with a heat exchanger assembly, the other outlet of the second shunt is connected with a combustion chamber, an outlet of the combustion chamber is connected with a turbine, an outlet of the turbine is connected with a heat exchange assembly, the heat exchange assembly is connected with the combustion chamber, the permanent magnet synchronous motor is connected with a power grid bus, and the power grid bus is connected with a second battery assembly. The first battery assembly is connected with the power grid bus. The invention belongs to the technical field of energy power equipment.
Owner:HARBIN ENG UNIV

Rapid assembly and automatic sampling drilling tool for frozen soil layer exploration

ActiveUS12435588B2Ice drillingDrill bitsSoil scienceFlow divider
A rapid assembly and automatic sampling drilling tool for frozen soil layer exploration includes a fixed flow divider, a flow guide pipe, a coring pipe and a drill bit. The fixed flow divider is connected to the drill bit through the flow guide pipe and the coring pipe mounted between the fixed flow divider and the drill bit. Two ends of the flow guide pipe communicate with the fixed flow divider and a main flow channel in the drill bit respectively. Hot water in the fixed flow divider can be conveyed into the drill bit through the flow guide pipe and sprayed from a nozzle arranged on the drill bit for drilling and coring operations. An inlet of the coring pipe communicates with a coring channel in an inner cavity in the drill bit, and a core sample drilled by the drill bit is taken out through the coring pipe.
Owner:POWERCHINA HUADONG ENG CORP LTD

Double-cavity treatment system

The utility model discloses a double-cavity processing system, which comprises two processing cavities used for respectively carrying out process processing on substrates arranged in the processing cavities; the main gas inlet channel is connected with a process gas source, and the gas flow divider assembly is arranged on the main gas inlet channel and used for dividing one path of process gas into four paths of process gas flows and supplying the four paths of process gas flows into the two processing cavities respectively; and the flow adjusting control unit is used for controlling the gas flow divider assembly according to the substrate processing results of the two processing cavities so as to adjust the process gas flow entering the two processing cavities. According to the utility model, the process gas flow in the two processing cavities is adjusted, so that the difference of the etching rate between the two processing cavities is reduced.
Owner:ADVANCED MICRO FAB EQUIP INC CHINA

MPD control system for pressure-controlled drilling of deepwater semi-submersible drilling platform

The invention provides a deepwater semi-submersible drilling platform pressure control drilling MPD control system which comprises a platform rotary table face. A platform wellhead flow divider, a marine riser expansion joint, a marine riser tension ring, a marine riser rotation control pup joint, an MPD hydraulic control pup joint, an MPD marine riser annulus sealing device, a marine riser four-way joint, a drilling marine riser, an underwater blowout preventer set and a seabed underwater wellhead are sequentially connected to the platform rotary table face from top to bottom. The MPD hydraulic control pup joint is connected with a rotary control pup joint power unit through an umbilical cable I, an umbilical cable roller frame I and a cable hose, and the rotary control pup joint power unit is connected with a deepwater MPD electro-hydraulic control system main control station; the MPD marine riser annulus sealing device is connected with the annulus sealing device and the buffer manifold hydraulic power unit through an umbilical cable II, an umbilical cable roller frame II and a cable hose and is connected with the deepwater MPD electro-hydraulic control system master control station; the throttling hydraulic power unit is connected with the deepwater MPD electro-hydraulic control system master control station. According to the system, pressure regulation and control, equipment management and operation safety guarantee in the deepwater pressure-controlled drilling well are realized.
Owner:XINJIANG GRAND OILFIELD TECH

Low-energy-consumption water-cooling radiator for large-scale cabinet

The invention relates to the technical field of cabinet heat dissipation, and discloses a low-energy-consumption water-cooling radiator for a large-scale cabinet, and the radiator comprises a cabinet which serves as a basic component and is used for bearing and connecting a lower structure; the radiator is arranged in the cabinet and is used for radiating heat of the cabinet body; the low-resistance connecting structure is connected with the cabinet and the radiator; the integrated heat dissipation structure is attached to the heating surface of the cabinet; the combined type circulation pipeline comprises a liquid inlet pipe, a liquid outlet pipe and a multi-stage flow divider, and the multi-stage flow divider is connected with an external cooling liquid supply system; and the self-adaptive flow control valve dynamically adjusts the flow of the cooling liquid according to the internal temperature of the cabinet. The invention has the following beneficial effects: when a cooling liquid flows through, the divergent cross section of the main flow channel layer accelerates fluid diffusion and reduces thermal resistance of a boundary layer, the flow deflectors and the spiral turbulent flow fins cooperate to make the cooling liquid better contact with the nano hydrophilic coating, the nano hydrophilic coating reduces a liquid drop contact angle, the cooling liquid forms an ultrathin liquid film on the flow channel wall, and the heat resistance of the boundary layer is improved. And vaporization latent heat release is accelerated.
Owner:SUZHOU HUASHENGYUAN ELECTROMECHANICAL CO LTD

Multi-layer co-extrusion pipe die head with pre-diverter

The invention relates to the technical field of die heads for extrusion molding of plastic pipelines, in particular to a multi-layer co-extrusion pipe die head with a pre-diverter. In order to solve the problems that a traditional co-extrusion pipe die head shunting structure is integrated on a spiral body, melt retention and uneven distribution are easily caused due to limited runners and steep steering, and then deviation of the wall thickness of a pipe is caused, the scheme is provided with a die body, the spiral body containing three layers of spiral distribution runners, and a first pre-shunting device and a second pre-shunting device which are sequentially arranged in the axial direction; the first pre-diverter diverts an outer-layer melt to an outer-layer spiral distribution runner through a first annular gap runner, and the second pre-diverter diverts an inner-layer melt to an inner-layer spiral distribution runner through a second annular gap runner, and is matched with a plurality of groups of feeding channels, a diversion cone, a closed-loop heating temperature control system and a layered and integrally combined wall thickness adjusting structure; and precise shunting and stable conveying of the melt are achieved. According to the scheme, the melt retention risk is eliminated, the distribution uniformity is improved, the pipe forming quality is guaranteed, and the device is suitable for multi-specification production and convenient to maintain.
Owner:KRAUSSMAFFEI MACHINERY ZHEJIANG CO LTD

Magnesium alloy wheel hub forging equipment

The application belongs to the technical field of magnesium alloy wheel hub forging, in particular to a magnesium alloy wheel hub forging equipment, which comprises a mechanical arm, a steering mechanism, a fixed cylinder seat, a three-way flow divider and a spray head unit. The steering mechanism is used for steering adjustment, and the fixed cylinder seat is accurately moved between the upper die and the lower die of the forming die in cooperation with the mechanical arm. The pumping mechanism on the storage tank sends the stored release agent solution into the three-way flow divider through the water inlet pipe, and then the release agent solution is sprayed onto the bonding surface of the upper die and the lower die of the forming die by the spray head unit to form a uniform release film on the inner wall of the forming cavity of the forming die. Since there is a release film between the magnesium alloy wheel hub and the forming cavity of the forming die, the adhesion between the magnesium alloy wheel hub and the forming cavity of the forming die is reduced, the scratches and scratches on the surface of the magnesium alloy wheel hub are reduced, and the processing quality and production efficiency of the magnesium alloy wheel hub are improved.
Owner:TAIZHOU JIEXIN MACHINERY EQUIP

Cast-rolling casting nozzle with electric-magnetic coupling oscillation effect

The invention relates to a cast-rolling casting nozzle with an electric-magnetic coupling oscillation effect. Relates to a cast-rolling casting nozzle with an electromagnetic oscillation effect, which is matched with a horizontal double-roller cast-rolling machine in the field of aluminum alloy die casting. The method is used for solving the inevitable internal macrosegregation defect of the high-alloy-content aluminum alloy cast-rolled product. The device comprises an L-shaped electrode pair 1; a side seal 2; an excitation device 3; a guide plate 4; a cooling water pipe (inlet / outlet) 5; a copper enameled wire (excitation) 6; a countersunk self-tapping screw 7; a casting nozzle upper plate 8; a rhombic shunting block 9; a nozzle lower plate 10; and a casting nozzle bottom plate 11. In the casting and rolling process, an oscillating electric field and a steady magnetic field are introduced, electromagnetic coupling force is generated at the outlet end of a casting nozzle, the electromagnetic force effectively stirs a semi-solid aluminum alloy melt, and therefore the purposes that alloy is evenly distributed, and segregation defects are reduced or even eliminated are achieved. The method is used in 4-series, 6-series and 7-series aluminum alloys, and the effect is obvious.
Owner:SHENYANG UNIV

Reactor, apparatus and method for synthesizing products by strong exothermic reactions

A reactor for performing a synthesis process for producing a product from at least two reactants, the reactor comprising: a body having a longitudinal axis, an inflow side and an outflow side; an interior; at least two reactant conduits, each connected on the inflow side to at least one distributor channel; at least one product conduit connected on the outflow side to the at least one collection channel; at least one distribution section comprising at least two distributor channels and at least one diverter; at least one mixing section in which at least two distributor channels are connected via a mixing channel and at least two reactants can be combined; at least one reaction channel; at least one collection section comprising at least one collection channel; at least one inflow-side feed conduit for the entry of a heat transfer medium into the interior; the heat transfer medium can flow around at least a part of the length of the at least one reaction channel in the interior, and / or at least one heat exchange channel in which the heat transfer medium can flow is provided, wherein the at least one sub-section is arranged adjacent to the at least one reaction channel, and wherein the at least one heat exchange channel and the at least one reaction channel are separated from each other by a common channel wall, and wherein the at least one reaction channel is a multiple spiral comprising two or more spiral channels, each spiral channel of the multiple helixes is connected via at least one mixing section to at least one distributor channel of each of the at least two reactants, and wherein on the outflow side each spiral channel of the multiple helixes is connected to at least one collecting channel.
Owner:EVONIK OPERATIONS GMBH

Liquid cooling plate and optical module liquid cooling structure

The utility model belongs to the technical field of optical module heat dissipation, and discloses a liquid cooling plate and an optical module liquid cooling structure, and the liquid cooling plate comprises a diverter and a plurality of cold plate bodies. The multiple cold plate bodies are arranged at intervals in the extending direction of the confluence channel, each cold plate body comprises a movable section, a bent section and a fixed section, and the two ends of each bent section are connected with the corresponding movable section and the corresponding fixed section correspondingly; wherein the bent section comprises a first bent part capable of being bent towards the upper portion of the fixed section and a second bent part capable of being bent towards the lower portion of the fixed section, and the first bent part and the second bent part are in smooth transition. Through the arrangement of the bending section, rigid bending deformation of the liquid cooling plate is avoided, an elastic component between the liquid cooling plate and the optical module is omitted, the optical module is attached for heat dissipation and adapts to insertion and extraction of the optical module, and the heat dissipation efficiency is effectively improved.
Owner:AAVID (SHENZHEN) SYST CO LTD

Circuit board chip mounter and dispensing mechanism

The invention relates to the field of circuit board processing automation equipment, and discloses a circuit board chip mounter and a dispensing mechanism, the circuit board chip mounter comprises a support, the top of the support is provided with a positioner, the exterior of the positioner is provided with a material taking device through screws, the material taking device comprises a mounting table and a positioning plate, and the top of the mounting table is provided with a pneumatic pump; a conveying pipe connected with the output end of the pneumatic pump is arranged in the mounting table, the bottom end of the conveying pipe is fixedly connected with a main flow divider, the output end of the main flow divider is fixedly connected with four secondary flow dividers, the output ends of the secondary flow dividers are fixedly connected with four material taking heads, and the multiple material taking heads are mounted in the positioning plate; the material taking head comprises a fixed box fixedly mounted at the top of the positioning plate and a movable shell slidably connected into the positioning plate. According to the device and the method, the glue is synchronously blow-dried while the surface mounting operation is completed, an additional drying station is not needed, and the influence of vibration and temperature and humidity environment changes on the surface mounting stability of the component in the conveying process is avoided.
Owner:千思跃智能科技(苏州)股份有限公司

Rapid assembly and automatic sampling drilling tool for frozen soil layer exploration

ActiveUS20250257624A1Ice drillingDrill bitsSoil scienceFlow divider
A rapid assembly and automatic sampling drilling tool for frozen soil layer exploration includes a fixed flow divider, a flow guide pipe, a coring pipe and a drill bit. The fixed flow divider is connected to the drill bit through the flow guide pipe and the coring pipe mounted between the fixed flow divider and the drill bit. Two ends of the flow guide pipe communicate with the fixed flow divider and a main flow channel in the drill bit respectively. Hot water in the fixed flow divider can be conveyed into the drill bit through the flow guide pipe and sprayed from a nozzle arranged on the drill bit for drilling and coring operations. An inlet of the coring pipe communicates with a coring channel in an inner cavity in the drill bit, and a core sample drilled by the drill bit is taken out through the coring pipe.
Owner:POWERCHINA HUADONG ENG CORP LTD

Two-stage rotational flow hydrogen fuel nozzle and combustion chamber thereof

The invention discloses a two-stage rotational flow hydrogen fuel nozzle and a combustion chamber thereof. The nozzle comprises a main hydrogen flow path, an auxiliary hydrogen flow path and an air flow path; the hydrogen main flow path is provided with a plurality of main spray holes which are distributed in a circumferential array; the air flow path is provided with a two-stage cyclone; the hydrogen auxiliary flow path comprises a hollow annular flow divider, the flow divider is coaxially arranged around the periphery of the hydrogen main flow path, and a plurality of injection holes are formed in the inner wall and the outer wall of the flow divider and communicated with the first-stage rotational flow channel and the second-stage rotational flow channel respectively. In the using process, efficient mixing of fuel and air is achieved through the synergistic effect of graded injection of main and auxiliary hydrogen and two-stage rotational flow air. According to the combustion chamber provided with the nozzle, large-scale flames are decomposed into a plurality of small flames through micro-scale injection, two-stage rotational flow is combined for strengthening mixing, the backfire risk is effectively restrained, the combustion temperature is lowered, NOx emission is remarkably reduced, meanwhile, the combustion stability is improved, and a reliable solution is provided for hydrogen fuel combustion of an aero-engine.
Owner:XIAMEN UNIV +1

Virus circulating batch culture device and culture method

The invention discloses a virus circulating batch culture device and a culture method, and particularly relates to the technical field of virus culture. The device comprises a fixed bed reactor, a circulating tank, a water bath interlayer, a chip carrying bed, an upper basket, a lower basket, a liquid flow divider and a water bath jacket, wherein a water bath jacket is arranged on the outer side of the circulating tank so as to control the temperature in the circulating tank; liquid in the circulating tank enters the fixed bed reactor for reaction; the fixed bed reactor comprises an upper basket at the upper part and a lower basket at the lower part, and the middle part is a chip loading bed for culturing viruses; a water bath interlayer is arranged on the outer side of the fixed bed reactor and used for controlling the temperature in the fixed bed reactor, and cultured viruses are collected through a liquid flow divider. According to the fixed bed reactor, the shear force and stress borne by cells are small, suspension culture components such as a defoaming agent do not need to be added into a culture medium, perfusion can be achieved without cell interception, the upper limit of the perfusion flow speed is high, continuous cells are friendly, and virus production can be amplified by dozens of times or dozens of times.
Owner:JIANGSU WALVAX BIOTECHNOLOGY CO LTD

Device for separating high quality and device for separating high quality and low quality seeds using resonant frequencies

The device for separating good and bad seeds using resonant frequencies includes several key components: a lifting unit(7) with a seed inlet, outlet, and bucket elevator to transport seeds vertically into an air tunnel(11); an air tunnel with an air blower to separate light waste from heavier seeds; a screening device(14) with holes to sort seeds based on size or shape; a divider(15) that disperses seeds using an air stream over a grooved shaft; a low-frequency wave transmitter that vibrates the seed collection; and a high-frequency wave transmitter with piezoelectric elements connected to a frequency generator and amplifier. The screening device is designed to separate seeds based on size, and the low-frequency transmitter uses a diaphragm to convert electrical signals into sound waves. The separation surface features at least two jacks for adjusting its slope, helping control the seed ejection path.
Owner:ANSARI HADI +2

Novel liquid cooling plate for new energy vehicle

The invention discloses a novel liquid cooling plate for a new energy vehicle. The novel liquid cooling plate passes through a main side flow channel of a flow channel of cooling liquid; the main runner extends along the inner cavity; the side runner is along the side wall of the inner cavity; when entering the main flow channel, cooling liquid sequentially passes through the rhombic turbulent flow column modules, the flow divider, the oval turbulent flow column modules and the circular turbulent flow column modules to flow out. The rhombic modules are turbulent flow columns on which a plurality of rhombic columns are uniformly distributed; the elliptical module is a turbulent flow column on which a plurality of elliptical cylinders are uniformly distributed; the circular module is provided with a plurality of cylindrical turbulent flow columns, and a plurality of triangular flow guide plates are arranged among the cylindrical turbulent flow columns; the side main runners are communicated through the through holes; the liquid inlet and the liquid outlet are provided with slope surfaces with inclination in advance, and liquid flows from the high positions of the slope surfaces to the low positions of the slope surfaces. By arranging different heat dissipation modules, the purpose of improving the cooling efficiency is achieved.
Owner:NANJING INST OF TECH

Hydrogen fuel solid oxide fuel cell (SOFC) actual combined cycle power generation system based on gas turbine pressurization

The invention discloses a hydrogen fuel SOFC actual combined cycle power generation system based on gas turbine pressurization, and belongs to the technical field of energy power equipment. In the starting stage, air is compressed by a gas compressor and then enters a combustion chamber to be combusted with hydrogen, exhausted gas is introduced into a turbine to do work, electric energy is provided for temperature rise before SOFC reaction through a motor, and turbine exhausted gas sequentially heats hydrogen and air at an inlet of the combustion chamber. Under the stable operation working condition, air sequentially passes through a gas compressor, a flow divider and a heat exchanger to be introduced into an SOFC cathode, hydrogen is heated through the heat exchanger and enters an SOFC anode to be subjected to an oxidation reaction, cathode and anode tail gas and supplemented gas enter a combustion chamber to be combusted, exhaust gas enters a turbine to do work and then is exhausted, and turbine exhaust gas sequentially heats hydrogen of SOFC anode inlet gas and air of cathode inlet gas; wherein the SOFC anode tail gas heats hydrogen supplemented by the combustion chamber through the heat exchanger, and the SOFC cathode tail gas heats air supplemented by the combustion chamber through the heat exchanger.
Owner:HARBIN ENG UNIV

Particle separator experimental device with adjustable diverter deflection angle

The invention provides a particle separator experimental device with an adjustable diverter deflection angle. The particle separator experimental device comprises a particle separator, a main channel switching section, a main channel total pressure rake, a bypass channel switching section, a bypass channel total pressure rake and a low-pressure suction table, the particle separator sucks air from the atmospheric environment, a tail end outlet is connected with a low-pressure air source through a valve, different flows required by an experiment can be matched by adjusting the opening degree of a downstream ball valve of an experiment table in the experiment process, and different working modes of the particle separator are switched by adjusting the rotating angle of the flow divider according to different incoming flow environments. The profile-adjustable particle separator experimental device is simple in principle, the structure is easy to achieve, compared with a traditional particle separator, the separation efficiency is improved, the total pressure loss is reduced, the requirements for an experimental site and an air source are low, and the design cost of the particle separator can be reduced. Therefore, on the premise that feasibility is guaranteed, a more efficient and economical air inlet protection system and an experimental device thereof are expected to be provided for a high-speed helicopter engine in the future.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Electro-hydrostatic actuation system for a thrust reverser for an aircraft turbojet engine nacelle

A thrust reverser device for an aircraft turbojet engine nacelle an electro-hydrostatic actuation system that includes a motor pump and a first actuation assembly. The first actuation assembly includes a series of at least two actuators configured to be attached to a movable cover of the thrust reverser and to move the movable cover or covers between a retracted position and a deployed position relative to the nacelle. The first electro-hydraulic actuation system further includes a volumetric flow divider with an inlet connected to the motor pump and at least two outlets, wherein each outlet is connected to an actuator. The volumetric flow divider is configured to receive a fluid and to supply the fluid to the actuators with an equal flow rate.
Owner:SAFRAN LANDING SYSTEMS

Manufacturing equipment and process of insulating hollow plate for electronic and electric appliance packaging

The invention discloses manufacturing equipment and process of an insulating hollow plate for electronic and electric appliance packaging, and relates to the technical field of hollow plate production, the manufacturing equipment comprises a screw extruder, a hopper is arranged on the top surface of the screw extruder, a hydraulic screen exchanger is arranged at the output end of the screw extruder, and a hollow plate mold is arranged at the output end of the hydraulic screen exchanger, the hollow plate mold comprises a mold body, a dynamic flow divider is arranged on one side of the mold body, the hydraulic screen exchanger conveys molten materials to the mold body through the dynamic flow divider, and the dynamic flow divider dynamically adjusts the flow of the molten materials of the dynamic flow divider based on pressure distribution in the mold body. Through the arrangement of the dynamic flow divider, in the process that the dynamic adjusting pipe conveys the molten material to the wedge-shaped channel, the dynamic adjusting pipe can dynamically adjust the flow of the molten material entering the wedge-shaped channel according to the pressure change of the dynamic pressure channel connected with the corresponding wedge-shaped channel; the hollow plate die can extrude hollow plates with uniform thickness, and the consistency is good.
Owner:YONGXUAN NEW MATERIALS CO LTD