14results about How to "Avoid dead zone" patented technology

The utility model relates to the technical field of motor reduction gearbox discloses a double motor reduction gearbox of forklift electric drive assembly, including the shell, the inside of shell is provided with the oil cavity, is used for to the inside of oil cavity adds lubricating oil, lubricates to one reduction gear set and second reduction gear set together, the inside of oil cavity is provided with one reduction gear set and second reduction gear set respectively, just the one reduction gear set and second reduction gear set between be provided with the anti -wave board, through the integration two sets of reduction gear set, share the same oil cavity and lubricating system, reduced the shell material consumption, reduce overall volume, promote space utilization, moreover, through the anti -wave board separates the inside of oil cavity one, second reduction gear set, effectively avoid two sets of gear reverse operation produced lubricating oil eddy current and dead zone, in addition, cooperate with the arc fairlead and direct the lubricating oil that gear rotation took part to the meshing area above reduction gear, optimize lubrication effect.

The application discloses a manufacturing method of a high-heat-dissipation-efficiency pouring type driving transformer, and belongs to the technical field of power electronic equipment manufacturing. The method aims to solve the technical problems of low heat dissipation efficiency and insufficient long-term reliability of the existing driving transformer caused by the limited heat conduction performance of the pouring material, the simple surface heat dissipation structure and the difficult coordination of internal thermal stress. The method comprises the following steps: constructing a three-dimensional digital model of a reinforced heat dissipation structure with a boss array and a groove array and preparing a corresponding forming die; positioning a magnetic core and a winding as an insert in a die cavity; pouring insulating colloid with different mechanical and heat conduction properties in batches in a vacuum environment; through a segmented curing process, the flexible colloid is fully filled in the internal gap and buffers the stress, and at the same time, the high-heat-conduction rigid colloid forms an external main body and a heat dissipation structure, thereby forming an integrated pouring body. The method is used for manufacturing the driving transformer suitable for high-power-density and high-heat-dissipation scenes, and can significantly improve the heat dissipation capacity and operation reliability of the driving transformer.

The application discloses a high-speed direct-drive motor and electrical equipment, and belongs to the technical field of motors. The air-tight moving coil in the high-speed direct-drive motor is connected with the flange in a matched mode, the flange is provided with an air inlet channel, an annular air-tight cavity and a plurality of air outlets, and a gap is formed between the edge portion of the air-tight moving coil, which is away from the rotating shaft, and the flange to form an air outlet channel. In this way, the plurality of air outlets are located between the annular air-tight cavity and the air outlet channel, a wind pressure isolation layer is formed at the air outlet channel by wind pressure, and most of the dust is isolated, and the plurality of air outlets can uniformly release the pressure of the sealing gas in the annular air-tight cavity to the outside, so that the fluid dead zone is avoided, and the sealing reliability of the high-speed direct-drive motor is effectively ensured, and the effective operation of the motor is ensured.

This utility model discloses an anti-erosion and anti-floating stabilizer for continuous casting tundishes, relating to the field of tundish refractory materials technology. It includes a stabilizer body with a circular inner cavity in the center. The inner cavity has stepped sides with a bottom-up design. A ring-shaped stabilizing protrusion is embedded at the corner of each step. Several evenly arranged turbulence blocks are fixedly mounted on the top surface of the steps and are fixedly connected to the stabilizing protrusions. An installation groove is provided at the bottom of the steps, and an impact plate is fixed within the groove. A first anti-floating protrusion and a second anti-floating protrusion are fixedly mounted at the lower part of the stabilizer body, with the second anti-floating protrusion positioned below the first. This utility model is rationally designed, effectively preventing erosion and damage to the sidewalls and bottom of the stabilizer caused by molten steel impact. It improves the overall stability and anti-erosion performance of the stabilizer structure, extends its service life, and ensures safe production in continuous casting tundishes.

The utility model belongs to the technical field of ammonia gas recovery, and particularly relates to a novel ammonia gas-containing recovery tower which comprises a recovery tower body, a water inlet pipe is fixedly connected to the outer wall of the middle section of the recovery tower body, a gas outlet pipe is fixedly connected to the top of the recovery tower body, and a water outlet pipe is fixedly connected to the bottom of the recovery tower body. An ammonia gas absorption assembly is arranged at the bottom section of the inner side of the recovery tower, a reaction tank is arranged at the reaction end of the ammonia gas absorption assembly, a ventilation assembly is arranged on the inner side of the reaction tank, the gas outlet end of the ventilation assembly is arranged on the inner side of the reaction tank, and a water pumping assembly is arranged on the inner side of the bottom section of the reaction tank; a spraying assembly is arranged at the water outlet end of the water pumping assembly; according to the novel ammonia-containing gas recovery tower provided by the utility model, gas is directly introduced into the reaction tank in which the absorption liquid is stored through the spiral pipe, so that ammonia gas in the gas is absorbed twice, the absorption efficiency is improved, the liquid consumption is reduced, resources are saved, the load of the spray tower is reduced, and the service life of equipment is prolonged.

The application provides a gas distribution cavity and a processing equipment of a semiconductor device. The gas distribution cavity comprises a gas inlet, an upper cover plate and a plurality of gas outlets. The lower surface of the upper cover plate extends at least one guide vane, the guide vane is arranged around the gas inlet, the upper surface of the upper cover plate is provided with a plurality of mounting holes, the plurality of mounting holes extend into the guide vane and are used for mounting a first heating element. The plurality of gas outlets are uniformly arranged around the edge of the gas distribution cavity.

This invention provides a power component and a three-level energy storage inverter, belonging to the field of energy storage inverter technology, including a liquid-cooled heat sink and IGBT units. The liquid-cooled heat sink has internal cooling channels and an external cooling surface; the cooling channels include a connected inlet channel and an outlet channel; the extension paths of the inlet channel and the outlet channel are parallel, and the coolant flows in opposite directions; the direction of the line connecting the beginning and end of the inlet channel is defined as a first direction; the IGBT unit includes multiple IGBTs spaced apart along the first direction; the IGBT units are attached to the cooling surface; in the first direction, both the inlet and outlet channels cover multiple IGBTs. This invention smooths out the differences in heat dissipation capacity at different locations on the cooling surface, ensuring all IGBTs are in an equivalent cold source environment, reducing temperature differences between different IGBTs, and effectively avoiding hotspot phenomena.

The application discloses a waste gas filtering treatment device and treatment method for an incinerator, relates to the technical field of waste gas filtering, and comprises a dust treatment bin, one side of the dust treatment bin is provided with a waste gas channel, and the lower part of one side of the waste gas channel is provided with an air inlet. In the application, the air guide pipe realizes airflow directional guidance and dust preliminary filtering by means of the oblique cutting opening and the internal filter frame plate, reduces the subsequent load, and then the space multi-channel structure composed of the side flow plate, the sharp cone plate and the center U plate divides and rectifies the waste gas, optimizes the flow field uniformity, realizes pressure balance between regions through the flow guide holes, avoids local vortex or dead zone, and the key lies in that the inclined plate and the built-in cooling pipe form a high-efficiency heat conduction unit, the waste gas temperature is actively reduced, tar vapor is condensed into liquid, the adsorption felt on the air guide plate and the high specific surface area net structure of the adsorption plate synergistically act, and condensed tar and fine particulate matters are efficiently captured.

The utility model provides an anti-coking device for a settler, which belongs to the technical field of settler plates and comprises an overflow hopper arranged at the lower part of a coarse spinning dipleg and positioned at the inner bottom of the settler; an upper overflow opening is formed in the top end of the overflow hopper, a lower overflow opening is formed in the bottom end of the overflow hopper, and the lower portion of the rough spinning leg extends into the overflow hopper through the upper overflow opening; a superheated steam fluidization ring pipe is arranged at the inner bottom of the overflow hopper, and a nozzle is arranged on the superheated steam fluidization ring pipe; the superheated steam fluidization loop pipe is connected with a steam pipeline, one end of the steam pipeline is connected with the superheated steam fluidization loop pipe, and the other end of the steam pipeline penetrates through the overflow hopper and then is connected with a fluidization steam inlet formed in the upper portion of the settler. Through the measures of reasonable structural design, accurate flow control, wear resistance, condensation prevention and the like, oil gas entrainment can be effectively reduced, catalyst accumulation and coking are prevented, the separation efficiency is improved, the structural strength is high, maintenance is convenient and fast, and the operation cost is reduced.

The utility model provides an acidification reation kettle of acid -regulating, belongs to acidification reaction technical field, including top shell, the inside installation of top shell has stirring mechanism, stirring mechanism includes deflector, the inner chamber inner wall of top shell is fixedly installed in deflector, the surface of deflector is equipped with flow guide groove, the inside of flow guide groove is equipped with cloth liquid hole, cloth liquid hole is provided with a plurality of, the inner chamber inner wall of top shell is fixedly installed in spoiler, the spoiler is provided with a plurality of, the inside of top shell is rotatably installed in stirring shaft, the upper half of stirring shaft is fixedly installed with propeller blade. The utility model discloses through the setting of flow guide groove, makes flow guide groove through cloth liquid hole and shunts and disperses liquid into a plurality of thin streams or thin layer liquid film and falls, and the material that has in the kettle forms the global type collision mixing with, compared with single -thread liquid column, the contact area can promote, and the mixing rate accelerates, and thoroughly eliminates the stratification problem of upper layer dilution, lower layer concentration in traditional mixing.

The application discloses a concrete raw material stirring device suitable for a ball bin, which comprises a cover plate used for supporting and blocking at a top end entrance of the ball bin, a fastener is arranged outside the cover plate and used for fastening connection with the ball bin, a first motor is fixedly arranged on the cover plate, a central shaft is rotatably arranged on the cover plate, the central shaft is driven to rotate by the first motor and extends into the inside of the cover plate, an upper portion of the central shaft is provided with a stirring rod which is inclined downward as a whole, and a shovel-pounding composite stirring mechanism is arranged at a lower portion of the central shaft, a lower end of the stirring rod is provided with a structure capable of guiding materials to the center, the shovel-pounding composite stirring mechanism comprises a second motor, a shovel wheel which is driven to rotate by the second motor, a pounding rod which is hingedly connected with an edge of the shovel wheel at a middle portion, a rotating sliding sleeve which is rotatably arranged on the central shaft and is slidably connected with an upper portion of the pounding rod, the rotating centers of the rotating sliding sleeve and the shovel wheel are arranged up and down and are both located on a central surface, a plurality of shovel blades are distributed along a line on an outer circle of the shovel wheel, and the lower end of the pounding rod can move along an elliptical path under the drive of the second motor. The device can realize rapid and sufficient mixing.

This utility model discloses a SiC plate heat exchanger, relating to the field of heat exchange technology. It includes a rear end plate, a PTFE base plate, heat exchange plates, a sealing ring, a front end plate, fastening screws, and a compression spring. Both the front and rear end plates have screw holes and positioning rod holes on their surfaces. The combination of the fastening screws and the compression spring provides uniform clamping force to the entire heat exchanger. The fluid flow channel adopts an S-shaped design, allowing the fluid to form a tortuous flow path within the channel, increasing the contact time and turbulence between the fluid and the plates, thus enhancing heat transfer. The single-sided flow channel layout avoids dead zones or vortex areas within the channel, allowing for more complete heat exchange. The heat exchange plates possess excellent high-temperature resistance, enabling stable operation under high-temperature conditions without affecting thermal conductivity. Their high hardness and wear resistance make them less prone to wear in heat exchange scenarios containing particulate media. The front end plate is made of steel lined with PTFE, enabling the equipment to adapt to highly corrosive environments such as strong acids and alkalis.

The application discloses a kind of double reforming reactor devices of conical cyclone fluidized bed belonging to the field of catalytic hydrogen production.The reactor device includes three parts of gas inlet device, bed body and center body.Two carbon dioxide and methane are sent into the bottom of bed body by gas inlet device, and the bottom is vane type air distribution plate, and gas flows into bed layer in the form of cyclone.Tapered wall surface is used for the side wall of bed body, and center body is arranged at the center, temperature sensor is arranged on the center body, for monitoring temperature change in bed, and signal is fed back to central controller, to determine whether pulse valve is opened.Water vapor enters the side wall of bed body and center body through pulse valve, when pulse valve is closed, water vapor enters bed body in continuous gas inlet mode, when pulse valve is opened, water vapor enters bed body in pulse mode, to realize the strengthening of reforming reaction in fluidized bed reactor.

The application discloses a gas-water separation flow field structure and a hydrogen production equipment comprising the same. The gas-water separation flow field structure comprises a bipolar plate. The bipolar plate is provided with a fence at the edge to enclose an enclosed area. The enclosed area is provided with an inlet, an outlet and a flow splitting structure. The flow splitting structure is symmetrical and has two. A main flow channel is reserved between the two flow splitting structures. A branch flow channel is reserved between the flow splitting structure and the fence. The flow splitting structure comprises an inflow flow splitting plate and a plurality of baffle plates. Two adjacent baffle plates form a reaction zone. The two ends of the reaction zone are connected to the main flow channel and the branch flow channel respectively. The electrolyte with a faster moving speed flows in the main flow channel and the branch flow channel. The electrolyte with a slower moving speed is subjected to electrolysis reaction in the reaction zone. The pressure difference is caused by the flow rate difference between the main flow channel, the branch flow channel and the reaction zone. The hydrogen concentration difference exists between the reaction zone and the main flow channel and the branch flow channel. The double power drives the hydrogen in the reaction zone to be discharged quickly.