34results about How to "Less prone to turbulence" patented technology

The invention provides a natural energy storage power generation method and a power generation system thereof. The method comprises the following steps of firstly generating electricity by utilizing natural energy such as wind energy or solar energy, and compressing air, or directly compressing air, and generating electricity for a power grid by utilizing the compressed air as a power source. The air drives an air compressing device by utilizing a comprehensive energy power generation station to generate electricity, thereby producing compressed air through the air compressing device as an energy storage medium, and storing the compressed air in an air storage device, and further using the storage compressed air as the main drive energy or auxiliary drive energy for the other power generation stations, so as to realize the functions of stabilizing and peak compensation.

A wind driven generation device of a comprehensive energy air channel well power generation station comprises an air channel well, a power generator and an impeller. The air channel well is perpendicular to the ground and with a plurality of air feeding channels arranged on the base portion. A solar preheating chamber surrounds the periphery of the base portion, and more than one wind driven generator is arranged in the air channel well and comprises a reducing duct device with a diameter shrinkage portion. The power generator is arranged in the duct device. The impeller used for driving the generator to rotate is arranged at the position of the smallest diameter of the diameter shrinkage portion in the duct device and is connected onto a rotor shaft of the power generator. The rotor shaft penetrates through the power generator, and the penetrating end is connected with an air injection turbine which is located in the air feeding direction of the duct device relative to the impeller. Therefore, the wind driven generation device effectively improves air flow acting efficiency.

The invention discloses an air conditioner, which includes a body, the body is provided with an air outlet, the air conditioner includes: an air guide plate, the air guide plate includes a first air supply section and a second air supply section, the The first air supply section and the second air supply section are hinged to each other; and a driving device, the driving device is arranged on the body, and the driving device drives the first air supply section and / or the second air supply section The two air supply sections rotate to change the angle between the first air supply section and the second air supply section. When the air conditioner according to the embodiment of the present invention is cooling and heating, the air flow is not easy to generate turbulent flow, and the air flow noise is low.

The invention discloses a gas flow field for a proton exchange membrane fuel cell. The gas flow field comprises a reaction gas inlet, a parallel groove flow field segment and a reaction gas outlet, wherein a first distribution flow field segment is arranged between the reaction gas inlet and the parallel groove flow field segment, a second distribution flow field segment is arranged between the reaction gas outlet and the parallel groove flow field segment, each of the first distribution flow field segment and the second distribution flow field segment consists of parallel streamlined grooves, and corners between the first distribution flow field segment and the parallel groove flow field segment as well as between the second distribution flow field segment and the parallel groove flow field segment are streamlined; each of the first distribution flow field segment and the second distribution flow field segment both consists of the parallel streamlined grooves, and the corners between the first distribution flow field segment and the parallel groove flow field segment as well as between the second distribution flow field segment and the parallel groove flow field segment are streamlined, so that the gas distribution is uniform, turbulence is not easy to form, the pressure loss is less, and discharging water and tail gas is facilitated. The gas flow field disclosed by the invention is simple in structure, uniform in the gas distribution, better in drainability and small in gas pressure loss.

The invention relates to the field of engines, in particular to an air inlet vortex adjusting structure of a diesel engine. The structure comprises an air inlet channel arranged in a cylinder cover of an engine. One side of the air inlet channel is communicated with the outer part of the cylinder cover. One side of the air inlet channel is communicated with a combustion chamber. The air inlet vortex adjusting structure is characterized in that the air inlet channel is divided into a high-vortex air inlet pipe and a low-vortex air inlet pipe; an adjustable flow valve is arranged in the low-vortex air inlet pipe; the high-vortex air inlet pipe is branched to form a plurality of high-vortex air inlet manifolds; the low-vortex air inlet pipe is branched to form a plurality of low-vortex air inlet manifolds; and each combustion chamber is communicated with one high-vortex air inlet manifold and one low-vortex air inlet manifold simultaneously. The structure disclosed by the invention is capable of adjusting vortex in the combustion chamber so that a proper vortex ratio is always kept in the combustion chamber. Both the high-vortex air inlet channel and the low-vortex air inlet channel are vortex air inlet channels so that two strands of vortexes in the combustion chamber are successfully mixed and a turbulent flow is difficult to generate.

A wind tower structure of a comprehensive energy air channel well power generation station is provided with a wind tower perpendicular to the ground and comprises a wind tower perpendicular to the ground. The wind tower comprises a weight bearing structure which coaxially surrounds and supports an air channel well, a plurality of groups air channel well support rings surrounding the outer wall of the air channel well are arranged from top to bottom on the outer wall of the air channel well, a plurality of air channel connection points are evenly distributed on each group of air channel support ring along the circle, a plurality of groups weight bearing structure support rings are arranged at the position of the wall face of the weight bearing structure corresponding to the air channel well support ring, and weight bearing structure connection points evenly distributed on the circle of the weight bearing structure support rings. The air channel well connection points and the weight bearing structure connection points with equal altitude with the air channel well connection points are symmetrically connected through the support rod. Therefore, the wind tower structure is easy to assemble, greatly improves construction efficiency, reduces construction difficulty, ensures smooth standard of the inner wall of the air channel well and is favorable for improving power generation station power.

Aiming at the above problems, the present invention proposes an air-cooled cooling system for battery packs, which includes a system housing and a cell module; One end of the passage is connected to the air inlet, and there are several battery module accommodation chambers on both sides of the main air inlet passage, and the battery module accommodation chambers are symmetrically arranged in pairs with the main air inlet passage as the axis; the battery module includes a battery case body and several cell groups, each cell group consists of four cells distributed in the form of 2*2, the cell housing is provided with a number of second channels, and each second channel is connected to the cell The axes of the groups correspond to each other, which can ensure sufficient and uniform cooling. The bottom-up cooling method is more suitable for the convection principle of the air, and it is not easy to form turbulent flow, and the cooling is more uniform.

A circumfluent cyclone multi-grade classification device and a classification method and use of powder particles are provided. The device includes a particle classifier and a cyclone dust remover, which respectively comprises a direct cylinder, an inner part, a gas import, a cone, two ball valves, an ash storehouse, a nitrogen import, etc. the inner lateral of the inner part of the classifier andthe inner lateral of the cone are respectively equipped with two to four flat slab-shaped or arc slab-shaped guide slide ways. The method includes that air containing dusts is extracted and is introduced into the particle classifier. The particles lager than 15-20 Mu m are separated and are returned. The extracted air is introduced into the cyclone dust remover. The dust remover is used to removethe fine particles smaller than 15 Mu m. And the air of which the fine particles are returned to a reactor. The catalyst particles which are larger than 20 Mu m are recovered through the classification of the catalyst particles which can be used in an acrylonitrile fluidized bed reactor. Fine catalyst powders can be ensured to be not carried out by airflow, classified and discharged. The equipmentcan be prevented from being blocked. The efficiency is improved and the cost is lowered. The device can be widely applied to the multi-grade classifications of various powder particles.