13results about How to "Increase wind speed" patented technology

The application discloses a kind of for tantalum niobium tailings in tin metal recovery's synergistic treatment system, specifically related to metallurgical solid waste resource utilization technical field, acoustic-electricity perception pre-agglomeration module exports pre-agglomeration probability index according to pre-agglomeration threshold value;Heat resistance chromatography module exports the temperature field and fluidized void fraction distribution of suspected agglomeration area;Inhibiting ingredient self-adapting module calculates inhibitor addition rate according to distribution;Wind material decoupling adjustment module exports decoupled wind speed and feed rate set value according to addition rate and bed pressure drop;Chain negative feedback blocking module detects pressure drop deviation to generate feedback correction, superimposed to wind speed set value and reversely adjust feed rate set value, while used to update pre-agglomeration threshold value;The application realizes the online identification of agglomeration precursor, accurate danger area precision inhibiting and the closed-loop cooperation of wind material decoupling, inhibits the nonlinear deterioration of coking loss flow, makes tin recovery rate keep stable when tailings fluctuation, and reduces inhibitor consumption and manual intervention.

This invention discloses a dual-motor hair dryer, relating to the field of hair dryer technology. It includes a housing, a handle, and a mounting cover installed inside the housing. It also includes a dual-system blowing assembly, a drive assembly, a first adjustment assembly, and a second adjustment assembly located inside the mounting cover. In use, the right-side main motor fan system, through the cooperation of the air guide tube, main air duct, and inner air duct, delivers gas to the inner cylinder, evenly passing through the heating element. Simultaneously, the left-side auxiliary motor fan system delivers gas to the outer air duct through the air guide tube, auxiliary air duct, and flow equalization pipe. The gas flows through the annular air cavity, forming an annular air curtain that surrounds the hot air along the central axis. The annular cold air curtain and the hot air along the central axis are coaxially superimposed. Furthermore, the main and auxiliary air ducts are isolated, ensuring that the high temperature of the main air duct does not affect the auxiliary motor, resulting in high operating efficiency for the auxiliary motor. The main motor also experiences stable load due to the smooth air duct, significantly improving the overall energy efficiency and further achieving energy savings.

The utility model discloses a kind of air intake structures of rear air intake hair dryer. It includes: air duct body;Several air inlets, set in the air intake end of the air duct body and located on the side wall of the air duct body;Fan module, set between the air intake end of the air duct body and the air outlet end of the air duct body;Flow guide plate, set in the inside of the air duct body and located between fan module and air inlet;Several flow guide holes, set on the flow guide plate;Transition fillet, set at the port of both ends of flow guide hole.The beneficial effects of the utility model are: reduce the wind noise of the air intake end of air duct body;It plays the role of protecting internal components, improves the service life of hair dryer;Increase wind speed;Increase the structural strength of filter screen;Filtering effect is good;Reduce fan noise.

The application relates to the technical field of kitchen appliances, and discloses an oven. The oven comprises an inner container, the inner container is provided with an inner cavity; a fan cover is located in the inner cavity to divide the inner cavity into a cooking cavity and a hot air cavity, the fan cover comprises: a flat plate structure, the flat plate structure is opposite to a first side plate of the inner container, the flat plate structure is provided with an air inlet part, the air inlet part is communicated with the cooking cavity and the hot air cavity; a flow guide structure is arranged on the circumferential side of the flat plate structure; along the circumferential side of the flow guide structure, the flow guide structure and the inner wall of the opposite inner container are both provided with an air outlet spacing; a first fan is located in the hot air cavity, air in the hot air cavity enters the cooking cavity through the air outlet spacing, and air in the cooking cavity enters the hot air cavity through the air inlet part; wherein the air outlet spacing is negatively correlated with the distance from the side edge of the flat plate structure corresponding to the flow guide structure to the axis of the first fan. The oven provided by the application has high cooking efficiency and good uniformity of heat distribution in the cooking cavity.

The utility model provides a kind of heat dissipation system and high-power charging pile based on air conditioner belongs to charging pile technical field, and it includes: first door leaf, first door leaf has installation cavity in, the inside surface of first door leaf is provided with first through-hole area and second through-hole area, the outside surface of first door leaf is provided with third through-hole area;Air conditioner module is set in the installation cavity of first door leaf;The air inlet end of air duct is connected with the inside surface of first door leaf and aligns first through-hole area, the air outlet of air conditioner module is communicated with the air inlet end of air duct by first through-hole area;The beneficial effects of the utility model are that: heat dissipation system adopts the design of sending in charging module after extracting external air cooling, the air inlet of air conditioner module can obtain external air through second through-hole area, the air outlet of air conditioner module can send cool air into air duct through first through-hole area, air duct can accurately guide cool air to reach the radiating fin area of charging module, effectively improve heat dissipation efficiency and uniformity.

The utility model discloses a kind of diversion structure of parallel double-impeller cross-flow fan, including first impeller, second impeller, guide vane, two volutes and support seat, the first impeller, second impeller, guide vane and two volutes are connected between two support seats, and the first impeller and second impeller are arranged in parallel symmetry, the guide vane is set between the first impeller and second impeller, two the volute is symmetrically set in the lower end outside of the first impeller and second impeller, and the upper end of the guide vane and volute is set as air inlet, the lower end of the guide vane and volute is set as air outlet, the air inlet and the air outlet are communicated. The diversion structure of the utility model solves the problem that the wind speed, wind pressure of existing cross-flow fan is smaller, and the stiffness of overlength impeller is insufficient and the air outlet is not uniform, significantly improves the performance and efficiency of fan.

The application provides a full-wind-direction bladeless wind gathering and energy taking device, which comprises a full-wind-direction wind gathering and accelerating mechanism, a bladeless wind power taking mechanism arranged at a throat position of the full-wind-direction wind gathering and accelerating mechanism, and a power management module connected with the bladeless wind power taking mechanism. The application realizes the wind flow convergence and conditioning through the full-wind-direction wind gathering and accelerating mechanism, especially realizes the 360-degree full-wind-direction wind energy collection, improves the wind energy collection range, and based on the Venturi effect, improves the wind speed and wind energy density at the throat position, provides a high-density wind energy environment for the energy taking device to reduce the starting wind speed and improve the energy taking efficiency, and improves the output capacity under the same wind speed condition. The bladeless wind power taking mechanism converts the vibration energy into output electric energy, and the power management module manages, stores and outputs the electric energy, and solves the problems of high starting wind speed, insufficient wind direction adaptability, complex structure, high failure rate and the like of the existing sensor wind energy taking technology.

The application provides a grid type pipeline ventilation method suitable for downward drift filling stope, which comprises the following steps: carrying out grid type pipeline ventilation scheme design of the downward drift filling stope, constructing a one-layer one-step drift stope X, Y and Z three-way pipeline ventilation system, constructing a one-layer two-step drift stope X, Y and Z three-way pipeline ventilation system, and constructing a one-layer below drift stope Y and Z way pipeline ventilation system to form an overall grid type pipeline ventilation system. The application can effectively solve the problem that the downward drift stope has no independent return air channel and is difficult to form through air flow, guarantee the safety of stope operation, save engineering quantity and reduce cost; the local ventilator does not need to be moved multiple times, and the air flow can be prevented from reversing at the same time; the grid type pipeline ventilation system can return air in multiple ways, and the air resistance is small, the air speed is high, and the efficiency is high.

This invention discloses a grille device (100) for an air handling equipment (200), comprising: a plurality of guide vanes (102) connected to the air handling equipment. The plurality of guide vanes (102) are configured to allow airflow to pass through the grille device (100) in a direct current manner along a first direction. The guide vanes (102) include a cross-section defined by the first direction and a second direction perpendicular to the first direction, the cross-section having a maximum chord length (L) along the first direction and a maximum thickness (t) along the second direction, the ratio between the maximum thickness (t) and the maximum chord length (L) being set to reduce noise caused by the airflow while maintaining or increasing the airflow velocity.

This invention discloses a handheld high-speed fan, comprising a first column and a second column. A ducted motor is housed inside the first column, with fan blades at the bottom of the ducted motor. A battery is housed inside the second column, and the ducted motor is electrically connected to the battery. An air inlet is located at the connection point of the first and second columns, and an air outlet is located at the first end of the first column furthest from the second column. A guide plate is provided at the air outlet, with the upper part serving as a converging section and the lower part as an air collecting section. The guide plate and the air outlet form an air outlet channel. In this invention, the narrowing design of the air outlet and the guide plate results in a narrowing of the internal airflow channel from bottom to top, accelerating the airflow. The airflow then flows along the guide surface of the guide plate, and finally, the symmetrical airflows on both sides converge at the center of the convex surface, thus being ejected vertically. A high-pressure zone is formed at the center of the guide plate, increasing the wind pressure and creating a vortex jet effect. This reduces airflow loss and ensures effective airflow and speed.

The application provides an air flow generating device, which comprises a main shell and an air outlet shell in a split design, the main shell is provided with an air inlet, the air outlet shell is provided with an air outlet, the main shell and the air outlet shell jointly form a containing cavity containing a motor assembly, the radial dimension of the air outlet shell gradually shrinks from the second end to the first end to form a funnel-shaped air collecting chamber inside the air outlet shell, the motor assembly comprises a motor rotating around a motor axis and a fan, when the motor rotates, external air flow enters the main shell through the air inlet, and is discharged from the air outlet after passing through the air collecting chamber, and users can install air nozzles with different air outlet diameters on the air outlet shell according to different work scenes, so that the air flow generating device works in a first mode of providing large air flow or a second mode of providing high air speed, and the air outlet performance is improved; meanwhile, the whole machine is small in size, and is convenient to store and carry.

The utility model discloses a kind of sodium metabisulfite dewatering wet material drying pipeline structure;Belong to sodium metabisulfite production technical field;Its technical key points include vertically arranged drying pipeline and spiral feeder connected on drying pipeline, the bottom of the drying pipeline is connected with the right-angle air supply pipe connected with external hot air source, horn pipe gradually reduced in pipe diameter is equipped between right-angle air supply pipe and drying pipeline;Conducting connection is carried out in the bottom of right-angle air supply pipe corner section with the storage tube for storing falling powder, air deflector is equipped on right-angle air supply pipe horizontal section, and the front end of the air deflector is located above the opening end of storage tube;Discharge assembly is equipped in the bottom of storage tube;The utility model aims at providing a kind of sodium metabisulfite dewatering wet material drying pipeline structure for reducing powder into air pipe, convenient cleaning waste;For sodium metabisulfite dewatering wet material drying.

The utility model discloses a kind of hub type blade fork, it is related to blade fork structure technical field, the utility model includes blade fork body, the blade fork body is sequentially head-to-tail connected and assembled by multiple blade fork units;Wherein, the blade fork unit includes center connecting portion and at least one fork arm extending from the outside of center connecting portion, transition connecting piece is equipped on the fork arm, and the blade fork body is in the form of hub.The utility model discloses a kind of hub type blade fork, its hub type blade fork is designed through streamlined fork arm and smooth transition connecting structure, effectively reduces fluid resistance and turbulence, significantly improves equipment energy conversion efficiency, such as fan air volume air speed increases, pump flow head lift is promoted.High-strength light alloy material is combined stress dispersion structure, enhances blade fork strength and fatigue resistance, prolongs service life.Assembled structure and simple connection mode facilitate installation maintenance, reduce maintenance cost and downtime, with higher practicality and market application value.