327 results about "Venturi effect" patented technology

The invention provides a terminal security management system and management method, and relates to the technical field of security engineering. The terminal security management system comprises a hardware facility and a control end, the hardware facility comprises a control cabinet and a plurality of terminal devices installed in the control cabinet, the control cabinet is provided with an exhaust mechanism, the exhaust mechanism comprises an air outlet box, the two sides of the air outlet box are communicated with flow guide pieces, air channels are formed in the flow guide pieces, and the air channels are communicated with the air outlet box. The local part of the air channel is provided with a folding section, the inner side, facing the control cabinet, of the flow guide part is provided with a flow guide opening, and the flow guide opening is located between the two adjacent terminal devices; and an air inlet mechanism communicated with the flow guide part is arranged at the bottom in the control cabinet, a flow equalizing part is rotationally arranged in the air inlet mechanism, air is sucked from one side, facing the terminal equipment, of the flow guide part through a furling section on the air channel and a corresponding drainage opening by utilizing the Venturi effect, and heat energy at the position of the terminal equipment is dissipated.

A hot tub wall jet nozzle includes a nozzle body and a nozzle core seat. Water flows from the water inlet into the water flow channel in the nozzle body. Air enters through the air inlet of the nozzle body and reaches the first air accommodating cavity, then flows from the first air accommodating cavity to the second air accommodating cavity, and the air from the second air accommodating cavity is then mixed with the water in the nozzle core seat at the water outlet under the Venturi effect, and the mixed water and air flow is finally discharged through the water outlet. This structural arrangement allows for reduced dilution and loss of air bubbles during water flow transmission. The Venturi effect produced in this nozzle is capable of generating a greater volume of air ejection, thus enhancing the strength and effectiveness of the massage.

The invention relates to the technical field of micro-nano bubbles, discloses a gas-water double-shearing micro-nano bubble generation method and equipment, and comprises the gas-water double-shearing micro-nano bubble generation equipment. Comprising a water spraying unit for generating high-speed atomized water flow, a gas-water premixing unit for premixing gas and water by adopting gas-water rotary cutting, a gas-water mixing unit for adopting rotary cutting, a gas-water double-shearing mixing unit for gas-water double shearing and a uniform stabilizing unit for stabilizing and discharging micro-nano bubbles. Based on the phenomena of self-excited oscillation, jet mixing and gas-liquid interface in fluid dynamics, by combining various mature fluid dynamics principles of cavitation effect, Venturi effect, shear breaking, impinging stream mixing and static mixing, the design of multiple gas chambers is added, especially the cavitation cavity, the annular gas chamber and the double-shear configuration, gas self-absorption is achieved, and the gas self-absorption effect is achieved. And the generation efficiency and uniformity of the bubbles are effectively improved.

The high-pressure cleaning machine comprises a shell and a plunger pump, the plunger pump is arranged on the shell, the high-pressure cleaning machine further comprises a Venturi tube, a siphon guide pipe and a flow adjusting device, a water channel, a cleaning liquid box and a mixing box are arranged on the shell, the two ends of the water channel are communicated with a water outlet of the plunger pump and the mixing box respectively, and the Venturi tube is installed and communicated in the water channel; the siphon guide pipe is installed on the shell, one end of the siphon guide pipe is installed and communicated with the throat portion of the Venturi tube, the other end of the siphon guide pipe is installed and communicated with the bottom of the cleaning liquid box, a first one-way valve is arranged in the siphon guide pipe, an impeller is rotationally connected into the mixing box, and the flow adjusting device is arranged on the siphon guide pipe and used for adjusting the suction amount of cleaning liquid. By means of the Venturi effect, when high-pressure water flow passes through the throat portion of the Venturi tube, the flow speed is increased, the pressure intensity is reduced, negative pressure is formed, the cleaning liquid is sucked into the water channel from the cleaning liquid box through the siphon guide pipe, automatic mixing of the cleaning liquid is achieved, the cleaning efficiency is improved, and the high-pressure cleaning machine is convenient to use.

The present invention relates to the technical field of wood production wastewater treatment, and discloses a wood production wastewater treatment apparatus, which comprises a separation cylinder, and further comprises: a cleaning unit arranged in the separation cylinder and used for cleaning suspended solids in the separation cylinder; the primary filtering mechanism is arranged on one side of the separation cylinder and is used for primarily separating impurities in wastewater during wood production; the aeration mechanism is arranged at the bottom of the separation barrel and is used for aerating the primarily filtered wastewater. Through the synergistic effect of the primary filtering mechanism, the aeration mechanism and the gas dissolving mechanism, multi-stage treatment of wastewater is achieved, the primary filtering mechanism can preliminarily separate large-particle impurities in the wastewater, the aeration mechanism fills gas into the wastewater through the gas pump, mixing of the wastewater and the gas is promoted, grease and suspended particles in the wastewater are further removed, and the wastewater treatment effect is improved. And the gas dissolving mechanism further improves the content of gas in water by utilizing the Venturi effect, so that impurities in the wastewater are fully removed, and the treatment efficiency and quality are improved.

The invention relates to the technical field of industrial VOCs treatment, in particular to a multistage heat pump coupling microwave desorption system which comprises a microwave targeted preheating module, a heat pump gradient heating module, a low-pressure desorption environment construction module and a waste heat recovery network. The heating device is used for selectively heating a VOCs enrichment area; the heat pump gradient heating module adopts a multi-stage heat pump system, the adsorbent is heated to 130-160 DEG C from 70 DEG C in a gradient manner, and the heating rate is 8 DEG C / min; the low-pressure desorption environment construction module is used for designing a negative pressure pipeline based on the Venturi effect to form a-1.5 kPa desorption environment; and the waste heat recovery network comprises a plate heat exchanger and a heat pump evaporator and is used for realizing efficient recovery of desorption waste gas waste heat. The gradient activation composite zeolite rotating wheel and the AI dynamic regulation and control platform are matched, real-time optimization of microwave power, heat pump output and negative pressure parameters is achieved, and the device is suitable for treatment of high-concentration VOCs in the industries of coating, rubber, printing and the like.

The embodiment of the invention discloses a thermal runaway management method and system.The thermal runaway management system comprises a venturi tube and an exhaust valve, the exhaust valve is arranged on the upstream of the venturi tube, the upstream of the venturi tube communicates with the interior of a battery pack, the downstream of the venturi tube communicates with the exterior of the battery pack, and the venturi tube and the active control exhaust valve work cooperatively; when thermal runaway is detected, the exhaust valve is quickly opened, high-temperature and high-pressure gas in the battery pack is efficiently exhausted by utilizing a Venturi tube effect, and meanwhile, a multi-sensor real-time monitoring and feedback mechanism is combined, so that the response speed and the exhaust efficiency of thermal runaway management are remarkably improved, and thermal runaway diffusion is effectively inhibited; the problems that a traditional pressure release valve is lagged in response and depends on internal pressure are solved, and meanwhile the problems that in a traditional scheme, a battery pack is low in exhaust efficiency, lack of effective cooling dilution and high in secondary combustion risk are solved.

A spray arm, a water pumping mechanism and a cleaning machine thereof are disclosed in the present invention. The spray arm comprises a body (1;1′) and a top plate (2;2′). An air collection chamber (20;20′) is defined between the top plate (2;2′) and the top surface (1a; 1a′) of the body (1;1′), a plurality of water spray holes (13) is arranged in the air collection chamber (20;20′), the top plate (2;2′) has a plurality of spray openings (21) each corresponding to one water spray hole (13), and a gap (100) is formed between a top end of each water spray hole (13) and a bottom end of the corresponding spray opening (21). According to the Venturi effect, the air in the air collection chamber can be sucked into the spout through the gap when the water flow passes through the water spray hole and is jetted out through the spray opening, such that bubbles are entrained in the jet flow; the bubbles are broken on surfaces of dishes or fruits and vegetables, which can improve dirt stripping force, and improve the washing effect.

The invention relates to the technical field of batteries, and particularly discloses a double-layer liquid cooling system and a battery pack. The double-layer liquid cooling system comprises a lower-layer liquid cooling plate, a water inlet and a water outlet of the lower-layer liquid cooling plate are each provided with a water drainage nozzle, and an internal water flow channel of each water drainage nozzle is of a Venturi structure. The water flow channel of the lower water inlet nozzle of the lower-layer liquid cooling plate is arranged to be of a Venturi structure, and the flow of cooling liquid flowing to the lower-layer liquid cooling plate is increased while the flow of cooling liquid flowing to the upper-layer liquid cooling plate is reduced by utilizing the Venturi effect, so that the pressure at the upper water inlet nozzle is reduced; therefore, the situation that throttling affects flow resistance of the whole package due to sudden change of the inner diameter of the upper water inlet nozzle can be avoided, and meanwhile the leakage risk at the upper water inlet nozzle can be reduced due to the fact that pressure at the upper water inlet nozzle is reduced. Meanwhile, the lower-layer liquid-cooling plate has increased cooling liquid flow rate, so that the time for filling the lower-layer liquid-cooling plate with the cooling liquid is shortened, the heat exchange coefficient of the lower-layer liquid-cooling plate is increased, and large temperature difference between the upper and lower-layer battery cells is avoided.

The invention relates to the technical field of rubber particle drying equipment, and discloses a high styrene rubber particle drying device based on pneumatic energy recovery. The device comprises an equipment bin, a fixing plate and a mounting plate are mounted at the end of the equipment bin, and a drying assembly, an air guide assembly and a driving assembly are arranged in the equipment bin. A drying cylinder in the drying assembly pushes materials through a threaded guide plate, when the drying cylinder rotates, a second driving gear on a fixing frame drives a second driven gear, and a centrifugal air guide impeller is driven through a transmission belt to suck water vapor in an equipment bin. Air flow is accelerated through the air guide nozzle with the Venturi effect and then guided into the sealing bin, the driven impeller is driven to rotate, and then automatic discharging of the material pushing plate is achieved. And meanwhile, after being dehumidified and cooled by the water absorption silica gel in the sealing bin, the water vapor cools the discharged materials through the discharge pipe. Pneumatic energy recovery and heat energy gradient utilization are achieved, the energy consumption is reduced, meanwhile, the drying efficiency is improved, and the beneficial effects of being integrated in structure and convenient and fast to maintain are achieved.

The invention discloses a dustproof and anti-poison series labor protection appliance, and particularly relates to a valve cavity isolation anti-return exhaust valve structure. The mask comprises a mask shell, a double-valve-box assembly, an inter-valve isolation cavity, a valve plate positioning nail, an outer valve plate, an outer sealing opening, an inner sealing opening, an inner valve plate, a filter box clamping position and an air filter box. The double-valve-box air exhaust valve is mainly characterized in that a traditional one-way air exhaust valve is replaced with a double-valve-box assembly, an inter-valve isolation cavity is formed between an outer valve plate and an inner valve plate, and dust is blocked through the Venturi effect and the trapping effect of a low-pressure vortex area; even if dust is clamped between the outer valve plate and the outer sealing opening, the dust can be removed during next expiration, and it is guaranteed that no dust is accumulated on the edge of the inner valve plate. The problems that an existing dustproof mask, an existing gas mask and an existing mask with a valve are not tightly closed, exhaust is not smooth, and closing of a valve plate is delayed due to the fact that dust is stuck to a sealing opening are solved, and the protection performance and the wearing comfort are improved.

The application provides an atomization assembly and an atomizer, and relates to the technical field of electronic atomization. The atomization assembly is internally formed with an atomization channel. The atomization channel comprises a first part, a second part and a third part. The first part and the third part are respectively arranged at two ends of the second part. The inner diameter of the first part and the third part is greater than the inner diameter of the second part. Due to the fact that the inner diameter of the first part and the third part of the atomization channel is greater than the inner diameter of the second part, the atomization channel is formed in a big-in-the-two-ends-and-small-in-the-middle shape. Based on the Venturi effect, when the atomization assembly is working or a user is inhaling, the gas flow rate in the second part reaches a maximum value, and the static pressure reaches a minimum value. As a result, a pressure difference is formed between the inside and the outside of the second part. Based on the pressure difference, the atomization assembly has a greater adsorption force on the atomization substrate, so that the atomization substrate is more quickly introduced, thereby ensuring the sufficiency of the atomization substrate and avoiding the occurrence of the paste core phenomenon. Meanwhile, a series of problems caused by the paste core are solved.

The utility model discloses an upper air outlet type ventilation blade assembly and a ventilation window, and the upper air outlet type ventilation blade assembly comprises at least two blade groups which are distributed at intervals along the front-back direction; each blade group comprises a plurality of blades which are distributed at intervals in the vertical direction; the section of each blade is of a V-shaped structure, each blade comprises a first plate and a second plate which are sequentially arranged in the front-back direction and form an included angle, a V-shaped cavity with an upward opening is formed between each first plate and the corresponding second plate, the lower end of each first plate extends to be provided with an extension plate, and a concave cavity with a backward opening is formed between each extension plate and the corresponding second plate. A water falling hole capable of communicating the V-shaped cavity with the concave cavity is formed in the second plate piece; the air flow sent out through the blade assembly is in a rising state, the upward air outlet effect is achieved, and when the air flow passes through the extension plate, negative pressure is formed in the concave cavity through the Venturi effect, so that accumulated water flows out of the water falling hole more easily, the water drainage efficiency is improved, and the water accumulation situation is reduced.

This invention discloses a wound cleaning and nursing device for medical care, belonging to the field of medical care equipment technology. It includes a main unit, a rinsing device, a waste suction device, and a fixation device. The rinsing device generates negative pressure within a negative pressure tube using the Venturi effect, drawing in outside air and spraying a spiral water stream through a first nozzle, a guide plate, and a third nozzle. Simultaneously, a water stream containing dense bubbles is sprayed through a second nozzle, utilizing the cavitation effect to achieve deep wound cleaning. The waste suction device is mounted on the nozzle via a ball joint, using negative pressure generated by a negative pressure pump to immediately recover waste fluid. The fixation device generates ultrasonic vibrations through an energy guide plate and a transducer to assist in the removal of small debris from the wound, and, in conjunction with bandages and fixation rings, achieves stable limb immobilization. This invention solves the problems of incomplete wound cleaning and limited rinsing effects in existing wound cleaning equipment, significantly improving the effectiveness and efficiency of wound cleaning and nursing care.

The invention relates to the technical field of hydrogen bubble water preparation devices, in particular to a device and method for generating nanometer hydrogen bubble water by electrolyzing water. The device comprises a rack, and a water inlet adjusting pipe, a Venturi pipe, a flow guide pipe and a Tesla valve are sequentially fixed to the rack from left to right; the interiors of the water inlet adjusting pipe, the Venturi pipe, the flow guide pipe and the Tesla valve are communicated to form a continuous flow path, one end of the water inlet adjusting pipe is provided with a plurality of adjusting pieces which extend to an inlet of the Venturi pipe and jointly define a variable water outlet part, and the multiple adjusting pieces can be driven by a first driving mechanism to synchronously perform radial expansion and contraction movement; according to the invention, through the arrangement of the complete and progressive treatment procedures of dynamic Venturi effect primary crushing, linkage mechanical stirring secondary crushing, high-speed shearing nanocrystallization and Tesla valve collision homogenization, the concentration of hydrogen in the finally generated nano hydrogen bubbles is obviously improved; the average particle size of generated bubbles is smaller, and the particle size distribution range is more concentrated.

The present invention is directed to a novel vehicle configuration with at least one tunnel (2) enclosed inside the vehicle body, wherein the tunnel (2) comprises an inlet (9), an outlet (10) and a middle section forming a neck (14) of the tunnel (2), wherein the tunnel (2) is narrower at the neck (14) than at the inlet (9) and outlet (10) to achieve Venturi effect The tunnel (2) is applicable to any vehicle type, with all propulsion systems, and especially to electric sports cars. The vehicle configuration with the at least one enclosed tunnel (2) has the following main advantages: reduced drag coefficient, increased downforce, increased vehicle structural rigidity, and better stability of the vehicle travelling at high speeds.

The utility model discloses a novel device of energy storage air cooling air duct, it includes top frame, the top frame front surface is provided with the air inlet, the top frame lower surface is fixedly connected with the mounting panel, the mounting panel side surface is fixedly connected with the air frame, the air frame inboard wall is fixedly connected with the air channel, the air channel top end is provided with the big wind hole, the air channel bottom end is provided with the small wind hole, the air channel side surface is fixedly connected with the support frame, the box body, the box body front surface is rotatably connected with the box door, the box body inboard wall is fixedly connected with the electrical frame, the electrical frame inboard wall is fixedly connected with the electrical cabin, the electrical frame side surface is fixedly connected with the energy storage frame. Through above -mentioned structure, the air channel is inclined to set, makes the front plane section of two air channels located in the middle part of energy storage battery be trapezoidal, according to venturi effect, the air flow speed inside air channel gradually accelerates from top to bottom, will not appear air flow speed gradually reduces, leads to the condition of uneven heat dissipation effect.

The application discloses a foaming injection device, a foaming device and a foaming toilet. The foaming injection device comprises a foaming injection body, which is provided with a foaming cavity, an air suction port, an acceleration hole and a foam injection port connected with the foaming cavity. The foaming solution is accelerated into the foaming cavity of the foaming injection body through the acceleration hole, so that the foaming cavity of the foaming injection body generates negative pressure and air is sucked in through the air suction port. The air is mixed with the foaming solution to generate foam. The foaming injection device of the application utilizes the Venturi effect to generate negative pressure and automatically suck in air, so that the air and the liquid are mixed to generate foam. Therefore, the foaming injection device has the advantages of simple structure, small volume, convenient installation, low cost and high foaming efficiency.

A manual water vacuum cleaner for cleaning a whirlpool spa bath or similar, comprising a suction hose with an end receiving a quick-connect adapter for coupling a corner vacuum nozzle or seat vacuum nozzle and the opposite end with a spigot coupling for assembling the accordion coupling, which can be coupled to the drainage drain of water evacuation of the hydromassage spa bath. The accordion coupling in the drainage drain, once open and suction between the diametrical narrowing provided between the drainage drain and hose configures the Venturi effect to suck up dirt accumulated on the sides, seats and bottom of the hydromassage spa bath.

The invention discloses a valve micro lip-attaching dead-cavity-free in-mask waste gas replacement structure which comprises mask belts, an air filtering mask, an exhaust valve base, an exhaust one-way sealing opening, a one-way exhaust valve plate, a telescopic adjusting pipe, a left nose exhaust pipe, a right nose exhaust pipe and the like. By adjusting the position of the exhaust unit, the exhaust one-way sealing opening is slightly attached to the lip, the nose exhaust pipe is slightly attached to the nostril, the valve plate is directly opened by means of flowing energy of exhaled air, peripheral retention air is injected by means of the Venturi effect, exhaled waste gas is completely exhausted in real time, dead space is thoroughly eliminated, and the problems of oxygen deficit, stuffiness, fogging, stinking and high breathing resistance are solved.

The invention provides an all-wind-direction blade-free wind-gathering energy-taking device. The device comprises an all-wind-direction wind-gathering acceleration mechanism and a blade-free wind-gathering energy-taking mechanism, the blade-free wind power energy taking mechanism is arranged at the throat position of the all-wind-direction wind gathering acceleration mechanism. And the power management module is connected with the bladeless wind power energy taking mechanism. The all-wind-direction wind gathering acceleration mechanism is used for gathering and conditioning incoming flow wind, particularly 360-degree all-wind-direction wind energy collection is achieved, the wind energy collection range is widened, meanwhile, the wind speed and the wind energy density at the throat position are improved based on the Venturi effect, a high-density wind energy environment is provided for reducing the oscillation starting wind speed and improving the energy taking efficiency of the energy taking device, and the energy taking efficiency of the energy taking device is improved. The output capability under the same wind speed condition is improved; vibration energy is converted into output electric energy through the blade-free wind power energy taking mechanism, management, storage and output of the electric energy are conducted through the power management module, and the problems that an existing sensor wind energy taking technology is high in starting wind speed, insufficient in wind direction adaptability, complex in structure, high in failure rate and the like are solved.

The invention relates to the technical field of outdoor terminal boxes, and discloses an outdoor terminal box with a protection structure, the outdoor terminal box comprises an electric box, the bottom of the electric box is fixedly connected with a base, the side wall of the electric box is rotatably connected with a box door, and external air flow enters the interior of a rain sheltering shell through an air inlet I and reaches the inclined surface of a partition plate I along the inner wall of an inclined panel; the inlet area of the first air inlet is large, the cross section of the circulation pipe is small, the flow speed in the circulation pipe is high, air in the groove is in a static state, the groove conducts the Venturi effect on the outer wall of the thin slit plate, and tiny extraction force is generated; rainwater accumulated on the outer wall of the slit thin plate is extracted inwards, when external rainwater permeates into the sealing strip, the permeated rainwater is effectively removed, and the influence of rainwater permeation is reduced.

The invention relates to the technical field of dock construction, and discloses a dock flat bottom ventilation air amplification device which comprises a concentric-square-shaped frame and a supporting plate, the outer surface of the top of the supporting plate is fixedly connected with two supporting blocks, a supporting shaft rotationally penetrates through the two supporting blocks, and the outer surface of the supporting shaft is fixedly sleeved with a connecting block; the outer surface of the top of the connecting block is fixedly connected with connecting angle steel, a plurality of connecting plates are arranged on the outer surface of the top of the connecting angle steel, air amplifiers are installed on the outer surfaces of the connecting plates, a gas distributor is installed on the outer surface of the transverse steel, and the output end of the gas distributor communicates with a plurality of quartered air compression pipes. Air enters the gas distributor, is distributed to the quartered air compression pipes and enters the air amplifiers through the quartered air compression pipes, large-air-volume output is achieved through the Venturi effect, the compressed air consumption is saved, kinetic energy consumption is reduced, and the drying effect is improved.

The invention discloses an electric furnace bottom blowing brick with a composite structure. The seat brick, the air brick and the Venturi gas distributor are sequentially arranged from bottom to top; a hollow channel communicated with the seating brick and the Venturi gas distributor is arranged in the air brick; wherein the air brick is a nano grain boundary reinforced magnesium aluminate spinel air brick and contains 5-8% of nano ZrO2 particles (the particle size is smaller than or equal to 50 nm), the porosity is 18-22%, and the average pore size is 25-45 microns; the seating brick is a gradient corundum-mullite seating brick, the inner layer of the seating brick comprises 90% of Al2O3, 8% of mullite and 2% of SiO2, the outer layer of the seating brick comprises 75% of Al2O3, 20% of mullite and 5% of an expanding agent, and the inner wall of the seating brick is provided with a honeycomb hexagonal groove array with the depth of 3-5 mm. By adopting the nano ZrO2 reinforced magnesium aluminate spinel material, the air brick can resist the temperature of more than or equal to 1600 DEG C, has the porosity of 18-22%, has both air permeability and erosion resistance, and prolongs the service life. When the gas flow fluctuation is larger than 5%, the flow velocity is automatically compensated to a set value + / -3% through the Venturi effect; the gas consumption is reduced.

A system for the thermal management of an external electric-power-generating nacelle equipping an electrically powered airship, the nacelle comprising electrical generation means implementing at least one turbogenerator contained in a fire containment vessel and provided with an inlet duct for turbine feed air and a flue gas exhaust duct, the system comprising ventilation means for injecting external air into the fire containment vessel, and means for discharging the ventilation air from the fire containment vessel, the means surrounding the flue gas exhaust duct so as to provide a Venturi effect for the outflow energized by the turbine flue gases.

The utility model belongs to the technical field of ammonia water preparation, and particularly relates to a multi-stage mixing device for preparing ammonia water by mixing liquid ammonia and water, which comprises a bottom plate, and an ammonia storage tank, a water storage tank and a return tank are sequentially arranged on the rear side of the top of the bottom plate from right to left. A jet mixer, a static mixer and a U-shaped pipe are sequentially arranged in the middle of the top side of the bottom plate from right to left, the jet mixer realizes high-speed hedging and mixing of liquid ammonia and water by utilizing a Venturi effect, and the static mixer further enhances turbulence disturbance through an internal spiral shunting element; the S-shaped structure of the U-shaped pipe prolongs the mixing path and ensures full contact of the two phases, meanwhile, the spiral cooling flow channel of the first cooling sleeve rapidly takes away reaction heat by increasing the contact area of a cooling medium and the mixing pipe, the partition plate of the second cooling sleeve divides the cooling cavity into two sections, and the cooling effect is good. And cooling water is guided to form vortex flow through the spiral guide vanes, so that the heat transfer efficiency is enhanced.

This invention provides a marine-mounted, servo-driven exhaust drag-reducing chimney, designed to effectively reduce exhaust back pressure of the ship's main engine and improve energy efficiency. The chimney features an integrated design, structurally connecting the exhaust and intake ducts, with an integrated electric motor and gear transmission mechanism forming its core drive unit. During operation, the system receives and processes environmental data from wind speed and direction sensors in real time. A signal processing unit then issues commands to drive the electric motor, controlling the synchronous rotation of the exhaust and intake ducts to dynamically adjust the direction of the air inlet, ensuring it is always aligned with the incoming airflow. This invention utilizes the Venturi effect to generate auxiliary suction, guiding air to flow in at high speed from the small-diameter intake vent and exit from the large-diameter exhaust vent, creating low pressure at the exhaust outlet and generating suction. This reduces exhaust drag, decreases engine fuel consumption, and improves the ship's operational efficiency.

This invention relates to the field of cobalt extraction technology, specifically to a cobalt-containing raw material extraction device, comprising a base frame with a support fixedly connected thereon. Two raw material tanks are disposed on one side of the support frame; a mounting frame is disposed on the other side of the support frame, and a mixing tank is fixedly mounted on the mounting frame. A mixing frame is rotatably connected inside the mixing tank, and multiple mesh frames are circumferentially spaced on the mixing frame. A driving component for rotating the mixing frame is provided on the mixing tank. A settling tank is fixedly disposed on the support frame, and a solenoid valve is installed at the liquid outlet at the bottom of the settling tank. This invention utilizes the Venturi effect to automatically draw in an organic phase, which is then subjected to high-pressure aqueous phase shearing within a tube to form a uniform extraction emulsion. The pressure is adjusted via a hydraulic valve to flexibly adapt to raw materials with different cobalt concentrations. After the extraction emulsion is sprayed into the mixing tank, it impacts the rotating mesh frames, achieving secondary atomization and thorough dispersion, avoiding mixing dead zones, and enhancing mass transfer.

The invention discloses a shape-preserving and resistance-reducing design method for a rotating mechanism under rotor / fuselage coupling, which comprises the following steps of: setting the slenderness ratio of a streamline shaft sleeve based on a shape resistance coefficient formula, and verifying the surface pressure distribution and the separation area of the shaft sleeve through numerical simulation to ensure that the shape resistance coefficient meets a resistance-reducing target; setting the area ratio of an outlet to an inlet of the seam based on a Venturi effect formula, so that a low-pressure area is formed in the seam to suck a wing root boundary layer and delay airflow separation; establishing an aerodynamic load and motion parameter coupling model based on an instantaneous resistance formula, analyzing flow fields under different rotation angular velocities and oblique angles through numerical simulation, and optimizing a rotation track to reduce a resistance peak value and aerodynamic torque fluctuation; the invention aims to solve the problems of airflow vortex interference, large shape resistance, high resistance peak and poor aerodynamic stability by optimizing the shape of the rotating shaft sleeve, the fuselage-wing gap structure and the wing rotating track, and improves the cruise fuel efficiency and flight stability of the aircraft.

The invention provides a novel convenient cleaning device for cleaning tableware, and relates to the field of tableware cleaning equipment, the novel convenient cleaning device comprises a device body, a cleaning agent storage barrel, a cleaning agent storage barrel and a cleaning agent storage barrel, one side of the intelligent cleaner is connected with a water inlet pipe, and the two sides of the lower portion of the intelligent cleaner are connected with a discharging pipe and a feeding pipe correspondingly. The automatic cleaning device has the advantages that automatic mixing of a cleaning agent and water is achieved based on the Venturi effect, power-on driving is not needed in the whole process, the potential safety hazard of electric shock is eradicated, and safety and universality are improved; accurate blending of water and cleaning agents in various proportions is achieved by replacing the proportion head, and the problem that the use amount is out of control due to manual pouring is solved; in the whole mixing process, direct contact with the super-concentrated cleaning agent is not needed, stimulation of high-activity components to the skin is avoided from the source, the skin barrier is effectively protected, and the use comfort is improved.