17results about How to "Increase fluid velocity" patented technology

The present invention discloses an immersion liquid-cooled battery pack. The immersion liquid-cooled battery pack comprises: a shell, at least one battery pack is arranged in the shell, the battery pack comprises a plurality of battery cells arranged at intervals along a first direction; a liquid inlet cavity and a liquid outlet cavity are respectively arranged on both sides of the battery pack along a second direction, and the second direction is perpendicular to the first direction; a liquid inlet is arranged at one end of the two ends of the liquid inlet cavity along the first direction, and a liquid outlet is arranged at one end of the two ends of the liquid outlet cavity along the first direction which is different from the liquid inlet, so that the cooling liquid enters the liquid inlet cavity from the liquid inlet, flows into the liquid outlet cavity after passing through the battery pack, and flows out from the liquid outlet; a flow equalizing plate is arranged between the liquid inlet cavity and the battery pack, the flow equalizing plate is arranged along the first direction, a liquid through hole is arranged on the flow equalizing plate, and a plurality of guide plates arranged at intervals along the second direction are arranged at the liquid through hole. The present invention provides an immersion liquid-cooled battery pack with high heating / cooling efficiency, good uniformity and simple structure.

A connector, comprising: a connector body (10); a socket body (38), the socket body being configured to slide axially relative to the connector body (10); a piston (84), the piston being configured to slide axially relative to the socket body (38) and the connector body (10); a poppet valve (102), the poppet valve comprising a first end and a second end, the first end of the poppet valve (102) being coaxially positioned within the first end of the piston (84) and abutting against the first end, the poppet valve being configured to slide axially relative to the piston (84); and a poppet valve pin (104) comprising a first end and a second end, the poppet valve pin (104) being coaxially positioned within the poppet valve (102), the poppet valve pin (104) being configured to slide axially relative to the poppet valve (102).

The invention discloses a wastewater environment-friendly treatment device for expressway construction, and relates to the technical field of water treatment.The wastewater environment-friendly treatment device comprises a supporting frame.The position, close to a water outlet pipe, of the bottom end of a wastewater treatment column is provided with a vortex backflushing mechanism, and water of the water outlet pipe is pumped into the bottom end of the interior of the wastewater treatment column through a water pump in a pressurized mode; due to the fact that the back-flushing flow guide assembly of the vortex back-flushing mechanism is in the shape of a Laval tube, water contracts and then expands, subsonic velocity water flow accelerates in the contraction section and continues to accelerate in the expansion section based on the one-dimensional steady isentropic flow theory, in the back-flushing process, the flow speed of fluid flowing through a porous plate is remarkably increased, and the flow rate of the fluid is increased. And the increase of the flow rate is beneficial to stripping suspended solids deposited on the surface of the filter material, especially dirt and impurities formed on the surface of the perforated plate, and can ensure that the backwashing water flow has enough kinetic energy and impact force so as to more effectively remove the dirt and the impurities.

The utility model provides a pipeline alloy scale inhibitor for cement production, which comprises a shell, a sleeve component and water pipes, the left end and the right end of each water pipe are respectively and symmetrically provided with a connecting flange, the two groups of water pipes are identical in structure, and the left end and the right end of the shell are open. Compared with the prior art, the water purifier has the advantages that the sleeve assembly is arranged, the fins in the sleeve assembly can drive the sleeve body to rotate due to the impact force of water flow, and therefore the form and speed of the water flow are changed in a rotating mode, rotating vortexes are formed, particulate matter in water is prevented from being attached to the inner wall of the sleeve body, and the service life of the water purifier is prolonged. The baffle is arranged, and the conical holes in the surface of the baffle can form jet flow, so that the fluid speed and scouring force of water for cement production are increased, the interior of the sleeve body can be effectively scoured, and scaling substances are difficult to adhere to the interior of the sleeve body.

The flying wing type rechargeable underwater cruise underwater glider comprises a flying wing type shell, a main pressure-resistant cabin is installed on the top of the flying wing type shell, and a temperature difference energy power generation system, an underwater cruise system, an ocean current energy power generation system and a buoyancy adjusting system are sequentially and symmetrically installed on the two sides of the main pressure-resistant cabin; the ocean current energy power generation system comprises a power generation system, a supporting system and a retractable mechanism, the top of the supporting system is provided with the power generation system, and the bottom is connected with the retractable mechanism; the power generation system comprises an impeller system, and an impeller of the impeller system can stretch out, draw back and be folded. The system can be freely switched among three working modes of underwater gliding, underwater residing and underwater cruising, and tasks can be executed for a long time. According to the flying wing type underwater glider, the running system and the ocean current energy power generation system can be adjusted by the retracting and releasing system to rotate, the appearance of the flying wing type underwater glider is not changed while the underwater residence, cruising and power generation functions of the glider are achieved, and the excellent fluid performance in the gliding working mode is guaranteed.

The present invention relates to a fuel cell system to be used in an underwater environment such as that of a submarine, wherein the fuel cell system can exhibit fuel utilization of 99.9% or more by the recirculation of a fuel even if simply composed of a single-stage stack, and can minimize complex gas-liquid separation control according to a multi-stage stack. In addition, the fuel cell system does not use pure oxygen underwater so as to corrode less, thereby enabling a catalyst with a low platinum loading rate or a thin electrolyte membrane to be used, and thus manufacturing costs can be reduced.

The invention provides a stirring paddle for strengthening fluid mixing, and relates to the field of fluid mixing devices, the stirring paddle comprises a fixing sleeve, a disc and a notched paddle, the main body structure of the notched paddle is characterized in that an initial square is divided into n2 small squares, notching is carried out in the initial square along the sides of the small squares at 1 / n positions of the sides of the initial square, cutting four edges of the initial square to obtain a main body structure of the primary fractal arrangement type cut blade; iteration is continued according to the rule, the main body structure of the notched blade subjected to multiple iterations can be obtained, and the main body structure of the notched blade is obtained by at least conducting one-time iteration on the initial structure. In the rotating process of the notch blades, fluid is sheared through the notch edges of the blades, the shearing force of the blades on the fluid is enhanced, high-speed jet flow is generated, the trailing vortex structure of the blades is damaged, the fluid speed is increased, the fluid turbulence strength is enhanced, the dispersion process of energy is enhanced, the mixing transmission efficiency of the fluid is improved, and the fluid mixing effect is improved.

The utility model relates to the technical field of nozzles, and provides a microbubble nozzle which comprises a shell, the shell is provided with a feeding port, a discharging port, an air inlet and an inner cavity, the discharging port and the air inlet are both communicated with the inner cavity, and the air inlet is located between the feeding port and the discharging port; the nozzle is arranged in the inner cavity, the feeding port is communicated with the nozzle, the nozzle is communicated with the inner cavity, and the sectional area of the nozzle is gradually reduced from the feeding port to the discharging port. By means of the technical scheme, the problems that in the prior art, the microbubble generation process is complex and takes a long time are solved.

The invention discloses a pulp filtering device, comprising a filter cartridge, a liquid inlet pipe and a liquid outlet pipe are respectively installed on the side walls of the filter cartridge, a filter screen is movably installed in the filter cartridge, a sealing ring is fixed on the outside of the filter screen, the sealing ring is in sliding contact with the inner wall of the filter cartridge, a sleeve is fixed at the center of the filter screen, a hydraulic cylinder is installed on the top of the filter cartridge, a rotating motor is installed on the piston end of the hydraulic cylinder, an impeller is respectively installed on the outside of both ends of the sleeve through a bearing, the output end of the rotating motor is connected to the bearing, the impeller is in sliding contact with the surface of the filter screen, and a negative pressure cleaning mechanism matched with the impeller is respectively installed on the top and bottom of the filter cartridge. The invention can improve the deficiencies of the prior art, has a compact structure and high filtering efficiency.

The present invention relates to logging instruments and methods used in the field of production logging during oilfield development, and in particular to a steam injection well dryness logging device and method based on the principle of heat diffusion. The device comprises a circuit tube, a current collecting umbrella driving device, a current collecting umbrella, a measuring sensor tube, and a sensor; the circuit tube is connected to the current collecting umbrella driving device, and the current collecting umbrella driving device controls the expansion and recovery of the current collecting umbrella; the lower end of the current collecting umbrella is connected to the sensor measuring tube, and the sensor measuring tube is installed with a sensor; the lower end of the current collecting umbrella driving device is provided with a steam inlet, and the lower end of the sensor measuring tube is provided with a steam outlet. The device of the present invention adopts a flow collection measurement method, and the steam-liquid two-phase flow satisfies the homogeneous flow model when flowing through the measuring sensor, reducing the influence of complex and variable flow patterns on the dryness measurement. Since the flow rate of the fluid flowing through the measuring sensor is increased after flow collection, accurate measurement of the downhole steam dryness of heavy oil steam injection wells can be achieved.

The invention provides a ferrule ball valve, and belongs to the technical field of valves, the ferrule ball valve comprises a valve body, a valve rod is rotatably clamped on the valve body, two valve seats are arranged in the valve body, a ball body is rotatably arranged between the two valve seats, and the ferrule ball valve further comprises a handle, a handle support, a lock nut, a sealing filter assembly and a cleaning and discharging assembly; due to the unique design of the handle bracket, the turning radius of the valve is reduced, the operation is more labor-saving, and meanwhile, a good heat insulation effect is provided; the contact pressure between the taper sleeves can be automatically adjusted through the compression force of the spring, and the continuous sealing effect is kept; when fluid passes through the valve, the fan blades are driven to rotate, the impact force of the fluid is buffered, the scraper is driven to rotate synchronously, impurities on the filter plate are effectively dredged and cleaned, and accumulation and blockage are prevented; the position of the clamping block is changed by rotating the deflector rod, so that the limiting of the filter plate can be flexibly relieved, the automatic impurity removal operation is realized, and the requirements of different working conditions and fluid characteristics are met.

The present invention relates to integrated equipment for processing and utilizing rainwater resources, and to the field of rainwater resource utilization. The integrated equipment for processing and utilizing rainwater resources includes a rectangular water collection chamber, a guide rod assembly fixed at the four corners of the water collection chamber, and two pressure plates. The inner cavity of the water collection chamber forms a flood storage channel, and the opposite ends of the water collection chamber are respectively disconnected to form a water inlet and a water outlet, thereby dividing the water collection chamber into two parts. The two pressure plates are respectively installed above the two parts of the water collection chamber, and the opposite ends of each pressure plate are respectively installed on the corresponding guide rod assembly. The inner side of each part of the water collection chamber is convexly provided with an inner retaining wall, and a row of anchor plates for fixing it to the ground are provided on the inner retaining wall. The present invention has the function of collecting rainwater and the function of discharging rainwater, and has practical promotion significance for the cultivation of high-priced green plants.

The present invention provides a brushless DC motor with integrated blade rotor, which belongs to the field of brushless DC motors, and includes a rotor and a stator that are coaxially arranged and relatively rotated; the stator includes a stator coil and an annular frame, the number of the annular frames is two, the two annular frames are symmetrically arranged and locked as fan housings to position the rotor in the middle, the number of stator coils is multiple and evenly embedded on one side of the annular frame close to the rotor; a permanent magnet corresponding to the coil is arranged in the rotor. The present invention combines the blade with the motor rotor, arranges the functional part of the motor rotor on the outer ring of the rotor, and arranges the blade on the inner ring of the motor, and achieves greater efficiency through the design of blades with variable inclination angle and variable attack angle, which is suitable for heat dissipation and forced air supply in a variety of electronic or mechanical equipment.

The application provides a separator and a cleaning device, which comprises a water cup, an inlet water cavity is arranged in the water cup, the inlet water cavity is communicated with the outside of the separator, a first filter assembly is connected to the water cup, the first filter assembly is provided with a first water outlet, a cyclone channel and a first filter screen are arranged in the first filter assembly, the first water outlet is communicated with the inside of the first filter screen, a second filter assembly is arranged outside the water cup, the second filter assembly is communicated with the first filter assembly, the second filter assembly is provided with a second filter screen, the second filter screen is provided with a second water outlet, a water outlet element is internally provided with a water outlet channel, the water outlet channel is communicated with the first water outlet and the second water outlet, and the water outlet element is further provided with a third water outlet communicated with the water outlet channel.

The utility model discloses a steel pipe adapter which comprises steel rings, the number of the steel rings is two, the two steel rings are respectively provided with a sealing ring, the two sealing rings are respectively and fixedly arranged on one sides of the two steel rings, and the outer sides of the outer walls of the two sealing rings are respectively provided with an inclined plane; one ends of the two annular fixing pieces are fixedly arranged on one sides of the two steel rings respectively; the utility model relates to the technical field of steel pipe adapters, which effectively reduces the fluid resistance, improves the flow capacity and the fluid speed of a pipeline, increases the effective flow sectional area, ensures the smooth flow and reduces the pumping cost.

The application relates to a liquid-driven enhanced rotary jet mechanism and a drill bit assembly, the liquid-driven enhanced rotary jet mechanism comprising an outer cylinder, a pad sleeve, a spiral rod, a center cylinder, a leakage cylinder and a guide nozzle, the pad sleeve being in a cylindrical structure and fixed on the inner side wall of the outer cylinder, the pad sleeve being internally provided with the spiral rod capable of rotating relative to the pad sleeve, the outer side wall of the spiral rod being provided with a spiral flow channel penetrating through the axial two ends of the spiral rod; the inner side wall of the outer cylinder is further provided with a bearing, the bearing being located below the pad sleeve and the spiral rod, the inner ring of the bearing being fixed with the center cylinder, the upper end of the center cylinder being fixedly connected with the lower end of the spiral rod, and the center flow channel being communicated with the lower end of the spiral flow channel on the outer side wall of the spiral rod; the lower end of the center flow channel is further provided with the leakage cylinder, and the guide nozzle is mounted on the leakage cylinder. The application can form an enhanced rotary jet, has the advantages of the rotary jet "water mill" effect of stretching-shearing rock breaking, can increase the fluid velocity of the drill bit surface, and can improve the drilling speed and protect the drill bit.

The invention discloses environment-friendly solvent-free polyurethane adhesive coating and scraping equipment, and relates to the technical field of coating and scraping equipment, and the environment-friendly solvent-free polyurethane adhesive coating and scraping equipment comprises a composite mechanism. According to the environment-friendly solvent-free polyurethane adhesive coating and scraping equipment, through the design of the composite mechanism, the linear module controls the composite frame to slide in a reciprocating mode, so that the effect of driving the equipment to move and operate is achieved, coating glue enters from a feeding port in one side of the material bearing pipe and then is discharged from the output mechanism, and the material surface is coated through the output mechanism; a component can be controlled to move up and down through an electric push rod, so that the effect of attaching the materials is achieved, adjustment is carried out according to the thickness of the materials, the use range of the equipment is widened, a butt joint mechanism and a material bearing pipe are fixed by rotating a rotary button block on the surface of a fixing clamp, and through the detachable mode, the butt joint mechanism is fixed to the material bearing pipe; and after long-time operation, parts are prone to being seriously abraded or blocked, follow-up replacement of the parts is facilitated, and the convenient effect of equipment is improved.