1427 results about "Flow divider" patented technology

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.

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.

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.

The utility model relates to the technical field of underwater cleaning, and discloses an underwater cleaning system convenient to use. The system comprises an operation device, a control device, a display device and a cleaning device, the operation device is in communication connection with the cleaning device to control the cleaning device to work, the control device is in communication connection with the operation device to process information, and the control device is in communication connection with the display device to display the working environment; the cleaning device comprises a take-up and pay-off assembly, a cable assembly and a robot, the take-up and pay-off assembly is detachably connected with the robot, the cable assembly is connected with a water source and a power source, and one end of the cable assembly is connected with the robot; two first cameras are symmetrically arranged at the front end of the robot, and two second cameras are symmetrically arranged at the rear end of the robot; a cleaning piece is arranged at the front end of the robot in a swinging mode, a diverter and a circuit connector are arranged at the top, and the cable assembly is connected with the diverter and the circuit connector. The flow divider communicates with the cleaning piece through a flow dividing pipe. And through pipeline arrangement, pipeline winding occurring when the robot works is reduced, and the working safety and working efficiency of the robot are improved.

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.

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.

The invention belongs to the technical field of radon concentration measurement, and particularly discloses a device and a method for enrichment and analysis of extremely low radon concentration, the device comprises a vertically placed cylinder, and the cylinder is provided with a heating device and a supercharging device; the radon escapement structure is sleeved with the barrel and is formed by pressing activated carbon fibers, the negative pressure pump is arranged at the outlet end of the radon escapement structure and provides a negative pressure environment for the interior of the radon escapement structure to achieve air drainage and guiding, the outlet end of the negative pressure pump is connected with the flow divider, and a first channel of the flow divider is communicated with the atmosphere. The tail end of the second passage is connected with a radon detection instrument, and the second passage is used for measuring the radon concentration in the radon release stage of the radon escapement structure. According to the invention, the detection lower limit of radon concentration measurement is reduced, the problem that radon concentration in some environments is lower than the detection lower limit of radon measurement equipment and cannot be measured is solved, and support is provided for effectively evaluating the influence of environmental radiation background on extremely low background physical experiments.

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.

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.

The invention relates to the technical field of welding devices, and particularly discloses balance oil cylinder welding equipment and a welding process thereof.The balance oil cylinder welding equipment comprises a power system, a welding gun, a wire feeding system, a gas protection system and a cooling system.The welding gun comprises a gun body, a diverter, a conductive sleeve and a nozzle, the conductive sleeve comprises a pipe body, and a through hole penetrating front and back is formed in the pipe body; a threaded section connected with the flow divider is arranged at the tail end of the pipe body, and a plurality of mounting grooves communicated with the through hole are formed in the circumferential surface of the pipe body; the conductive blocks are matched with the mounting grooves in shape, so that the conductive blocks can slide in the radial direction of the pipe body and make contact with the welding wires, the outer sides of the conductive blocks protrude out of the pipe body, pressure is continuously applied through the fastening wires, tight contact between the conductive blocks and the welding wires is kept, poor contact of the welding wires in the abrasion process is avoided, and the service life of the welding wires is prolonged. Therefore, the stability and the quality of the welding process are ensured.

The invention provides a PID control method and device based on variable shunting and an air conditioner, and is applied to the field of air conditioner control. The method comprises the steps that in the operation process of the air conditioner, whether the current environment temperature meets the limiting temperature condition or not is judged; under the condition that the current environment temperature meets the limiting temperature condition, the target control strategy is executed circularly till the current environment temperature reaches the set temperature; the target control strategy comprises at least one of the following items: performing PID control on the operation frequency of the compressor and the valve opening of the throttle valve, changing the flow dividing mode of the flow divider, and performing PID control on the rotating speed of the fan. According to the PID control method and device based on variable shunting and the air conditioner, through the mode of combining variable shunting and PID control, the air conditioner can maintain the indoor environment temperature within the temperature range set by the user under the severe working conditions of ultra-high temperature and ultra-low temperature.

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.

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.

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.

The invention discloses a device for reinforcing a seabed coral sand and reef limestone foundation, which comprises a vacuum pump and grouting machine connecting device fixedly connected to the input end of a main conveying pipeline; the output end of the main conveying pipeline is connected to a technical device at the top of the hollow steel pipe cage through a sealing joint; a novel anti-pulling anchoring device is integrated on a bottom base of the hollow steel tube cage and is formed by coaxially sleeving a hollow pressure-bearing steel tube with a telescopic supporting assembly; radial slurry outlet holes and guide sliding grooves which are distributed at equal intervals are axially formed in the pipe wall of the hollow pressure-bearing steel pipe; the outer surface of the hollow steel tube cage is coated with the magnetic conductive enhanced grid in a concentric circle structure; the composite grouting guide pipe is connected with a grouting opening in the bottom end of the hollow steel pipe cage through a rotary connector and connected to an auxiliary grouting pipeline driven by a double-liquid synchronous grouting machine through a flow divider. The distributed monitoring system, the special magnetic slurry, the microorganism slurry and the ultrasonic resonance generator are integrated in the device. The bearing capacity and stability of the seabed coral sand and reef limestone foundation can be improved.

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.

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.

Disclosed in the present invention are a flow divider and a Coriolis flowmeter, wherein the flow divider is of a cylindrical structure, N branch flow guide ports are formed in the cylinder bottom of the flow divider, and N is a positive integer not less than 2. The branch flow guide ports are non-circular. The total area of the N branch flow guide ports is S1, and the flow divider satisfies the following conditions: if the N non-circular branch flow guide ports are replaced with N circular branch flow guide ports, and the maximum total area of the N circular branch flow guide ports is S2, S1>S2. Compared with the prior art, the present invention can increase the integral cross sectional area of the N branch flow guide ports of the flow divider, and under the condition of certain pressure, the flow of the flow divider is greatly increased, and the pressure loss is greatly reduced.

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.

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.

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.

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.

The invention relates to an electric machine (1) for a motor vehicle, having a stator (2) of overall annular shape, wherein the stator (2) also has a main body (4) consisting of a laminated core (3) and the main body (4) is provided with axially extending, radially inwardly open stator slots (5) and with axial cooling channels (6) positioned radially outside the stator slots (5) and / or circumferentially between the stator slots (5), wherein a diverter device (9) that has at least one metal sheet (8) or a plastics plate (22) and is designed to divert a hydraulic medium flowing through the cooling channels (6) during operation is attached to an end side (7) of the main body (4), wherein at least two cooling channels (6) are connected to a common outlet opening (10) of the diverter device (9).

The invention relates to the technical field of valves, in particular to a novel wear-resistant ball valve. Comprising a moving frame, a valve body operation driver and a partial load spherical shell are arranged on the moving frame, the valve body operation driver drives a dynamic retainer to rotate in the partial load spherical shell, and a pressure detection flow divider is arranged on the dynamic retainer in a limited sliding mode and inserted in the partial load spherical shell; a plurality of band-type brake trundles are uniformly fixed at the lower end of the movable frame; a plurality of band-type brake trundles are uniformly fixed at the lower end of the movable frame; a transmission shaft of the valve body operation driver is in transmission connection with a belt pulley through a belt; the belt pulley is fixed on the dynamic retainer; the ball valve has the beneficial effect that the problems that abrasion is easily caused by long-time hard-to-hard friction between the ball bodies or the sealing rings during use of the ball valve, and the long-time service life is shortened are solved.

The utility model provides an air conditioner flow divider capable of evenly dividing flow, which comprises a main flow pipe, a branch pipe seat is arranged at the lower end of the main flow pipe, a plurality of branch pipe channels are arranged in the branch pipe seat at equal intervals, a connecting assembly is arranged between the main flow pipe and the branch pipe seat, the connecting assembly comprises a connecting ring, a cavity is arranged in the connecting ring, and the connecting ring is connected with the branch pipe seat. A connecting ring is arranged in the inner cavity of the connecting ring, a bottom plate is fixed to the bottom of the connecting ring, delivery ports corresponding to the branch pipe channels are formed in the surface of the bottom plate, the interiors of the delivery ports are rotationally connected with sealing plates through bearings, and a sliding rod is fixed to the circle center of the bottom plate. And meanwhile, all the sealing plates are opened, the time for the refrigerants to pass through each outlet is the same, so that the refrigerants are uniformly fed into each branch channel, and the connecting assembly part is convenient to disassemble and assemble.

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.

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.

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.

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.

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.