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

The invention discloses an air conditioner. The air conditioner comprises a machine body, an air guiding plate and a driving device, wherein an air outlet is formed in the machine body; the air guiding plate comprises a first air supply section and a second air supply section, and the first air supply section and the second air supply section are hinged to each other; the driving device is arranged on the machine body, and the driving device drives the first air supply section and/or the second air supply section to rotate so as to change an included angle between the first air supply section and the second air supply section. According to the air conditioner disclosed by the embodiment of the invention, the turbulence of air flow is not easily generated during refrigerating and heating, and the noise of the air flow is low.

The invention relates to a column type extraction device for pipe bundle multi-channel phase-dispersing; a main shaft is arranged inside the column type extraction device; two or at least three hollow thin tubes in parallel to the main shaft are distributed on the outer circumference of the main shaft; one end of each hollow thin tube is provided with a straight tube, and the other end of the hollow thin tube is bent to form a flanged bend; the bending direction of the flanged bend is the remote direction of a mounting shaft; the main shaft is connected with an electric motor, and drives the hollow thin tubes to carry out motion at a same speed with the main shaft when the main shaft rotates. The column type extraction device disclosed by the invention solves the difficult problems that a water phase or an oil phase with relatively small volume is difficult to disperse completely in the conventional mechanical stirring manner when the volume ratio of the water phase to the oil phase in an extraction process is large; and the difficult problems that the water phase and the oil phase are difficult to clarify and separate in an extraction system and the like caused by easy emulsification are also solved when the flow-rate ratio of the water phase to the oil phase is large.

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 and the 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 remove the 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 equipment can 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.

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.

The invention discloses a pressure casting method of a filter cavity. The method comprises the steps that (1), aluminum alloy liquid is transferred into a stirrer internally provided with an electromagnetic inductor and a stirring rod, and the stirring rod penetrates into the stirrer; (2), the stirrer is covered and air inside the stirrer is pumped out; (3), the stirrer is started to stir the aluminum alloy liquid in a closed vacuum condition, so that the aluminum alloy liquid is subjected to electromagnetic stirring in the magnetic field direction of the electromagnetic inductor, mechanical stirring is conducted under the rotation function of the stirring rod, and the aluminum alloy liquid is stirred to be in a semi-solid state to obtain a semi-solid aluminum alloy sizing agent; and (4),the semi-solid aluminum alloy sizing agent obtained in the step (3) is injected into a filter mold, pressure casting molding is conducted with the injection speed of 1.5-2.5 meters/second, the injection specific pressure of 30-80 MPa and the boost pressure of 60-80 MPa, the filter cavity is obtained after pressure is kept for 7-30 seconds, and the temperature of the filter mold is set to be 250-400 DEG C.

The invention provides an air-cooled cooling system for a battery pack. The air-cooled cooling system comprises a system shell and battery cell modules, wherein the system shell adopts a cuboid-shaped structure; main air intake passages are formed on the axis of the shell; one end of each main air intake passage is connected with an air inlet; a plurality of battery core module accommodating cavities are arranged at two sides of each main air intake passage; every two battery core module accommodating cavities are symmetrically arranged by taking the corresponding main air intake passage as an axis; each battery core module comprises a battery core shell and a plurality of battery cell groups; each battery cell group is composed of four battery cells arranged in the form of 2*2; a plurality of second passages are formed in each battery core shell; each second passage corresponds to the axial center of the corresponding battery cell group. Therefore, sufficient and uniform cooling can be guaranteed; the bottom-up cooling manner is more suitable for the air convection principle; the generation possibility of turbulence is low; cooling is more uniform.

The invention relates to the technical field of aluminum alloy casting, and provides an aluminum alloy semi-solid slurry preparation device, die-casting equipment and a die-casting process. Nitrogen supply equipment conveys nitrogen to stirring equipment; a motor in the stirring equipment drives a connecting rod, a fan blade disc and a rotor to rotate so as to implement rotary stirring; meanwhile,the nitrogen is blown into a cavity of the rotor through rotation of the fan blade disc; air blowing is implemented through air blowing holes; and stirring and air blowing are integrated to rapidly prepare aluminum alloy semi-solid slurry, so that the aluminum alloy semi-solid slurry can be rapidly prepared in the die-casting production process of aluminum alloy castings, the content of defects such as pores and shrinkage cavities in high-pressure castings is effectively reduced or eliminated, and the problem of defects in the castings is solved.

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.

A sludge dewatering extrusion die comprises a main body of an extrusion die, wherein the main body of the extrusion die has an extrusion portion, a flow guide groove is arranged on the extrusion portion, the flow guide groove diffuses outwards from the center of the extrusion portion, and a drain port communicated with the flow guide groove is arranged on the main body of the extrusion die. In thepresent invention, as the flow guide groove which diffuses outwards is arranged on that extrusion portion, the water generated during the sludge extrusion process can be collected in the flow guide groove and guided outwards by the flow guide groove and discharged through the drain port, turbulence and deposition are not easy, the drainage efficiency can be effectively improved, the amount of water re-absorbed by sludge can be reduced, the dewatering rate of the sludge can be effectively improved, but also the operation time of extrusion dewatering can be shortened and the operation efficiency can be improved.

Provided is a muffler of a comprehensive energy air channel well power generation station. The air channel well power generation station comprises an air channel well 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, the air channel well and a bearing frame form an air tower together, and the muffler communicated with the air channel well is arranged at the top end of the air tower. Therefore, the muffler enables air discharge to be smooth without producing air discharge noise and reduces direct impact of the structure at the top end of air tower.

A comprehensive energy air channel well power generation station comprises an air channel well 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, the base face of the solar preheating chamber is aligned with the base face of the air channel well, and the top face of the solar preheating chamber is higher than the air feeding channel, and more than one wind driven generator with an air flow driving device is arranged in the air channel well. The solar preheating chamber is provided with a heat collection device and a light condensing device. A peak shaving device comprises a motor-driven air compressor connected with the wind driven generator, a charge-discharge device and a power distribution control device. The air compressor is connected with a group of air storage tanks through a pipe. Therefore, the power generation station is capable of comprehensively utilizing various natural energies to generate power and has the functions of shaving peak and compensating.

The invention relates to a same-direction flow flotation separation assembly which comprises a plurality of inclined plate assemblies, wherein the inclined plate assemblies comprise vertically-arranged straight plates, trapping inclined plates of which the top ends are connected to the bottom ends of the straight plates, and mud sliding inclined plates of which the top ends are connected to the bottom ends of the trapping inclined plates; sludge partition plates are arranged at the bottoms of the inclined plate assemblies and located between the adjacent inclined plate assemblies; the space between each sludge partition plate and the inclined plate assembly on the front side of the sludge partition plate is a clear water conveying cavity; and the space between each sludge partition plate and the inclined plate assembly on the rear side of the sludge partition plate is a sludge conveying cavity. The same-direction flow flotation separation assembly can prevent sludge from entering a clear water collection chamber.

The invention discloses a maintenance-free automatic blowdown straight-through type micro-resistance filter and relates to the field of micro-resistance filters. A shell comprises a T-shaped cavity structure, a water inlet communicated with the interior of the T-shaped cavity structure is formed in one end of the shell, and a water outlet communicated with the interior of the T-shaped cavity structure is formed in the other end of the shell; The water inlet and the water outlet are located on the same horizontal line, an assembly hole is formed in the shell, and the maintenance-free automaticblowdown straight-through type micro-resistance filter further comprises a filter assembly arranged in the T-shaped cavity structure; a blind plate is arranged at the assembly hole of the shell. According to the technical scheme, the filtering efficiency is higher, a fluid flow channel is not changed in the filtering process, and turbulence is not additionally brought; A low-resistance environmentin the filter is guaranteed, and the efficient work of the water pump is guaranteed.

The invention discloses a brake hydraulic pipeline, a brake hydraulic system and a vehicle. The brake hydraulic pipeline comprises a brake hard pipe, a connecting piece, a brake hose and a first noise reduction strip, and a first flow channel is formed in the brake hard pipe; one end of the connecting piece is connected with the brake hard pipe, and a second flow channel communicated with the first flow channel is formed in the connecting piece; one end of the brake hose is connected with the other end of the connecting piece, and a third flow channel is formed in the brake hose; the first noise reduction strip is located in the brake hose, a first noise reduction flow channel is formed in the first noise reduction strip, and the two ends of the first noise reduction flow channel communicate with the second flow channel and the third flow channel correspondingly. According to the brake hydraulic pipeline disclosed by the embodiment of the invention, the composite noise reduction pipeline is manufactured in the pipeline assembly by utilizing the flexibility characteristic of the brake hose and the noise reduction principle of the expansion chamber of the first noise reduction strip, so that some pump source pulsation is reduced, and the propagation of mechanical vibration frequency noise in the lower end pipeline and the hydraulic booster is reduced.