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 discloses a volume type gas water heater, which comprises a shell, a water tank, a burner arranged at the bottom of the water tank, a first heat exchange channel which passes through the top and the bottom of the water tank, and a second heat exchange channel which passes through the top and the side face of the water tank, wherein a sealing boss is arranged on the circumferential inner wall of the shell; the sealing boss presses against the periphery of the water tank, so that the periphery of the water tank is divided into a top heat exchange cavity and a side face heat exchange cavity; the second heat exchange channel is communicated with the top heat exchange cavity and the side face heat exchange cavity; and high temperature gas is subjected to three heat exchange processes in the first heat exchange channel, the second heat exchange channel and the side face heat exchange cavity sequentially before flowing out of the shell. Compared with the prior art that the high temperature gas only exchanges heat in the first heat exchange channel and the side face heat exchange cavity, the water heater has the advantages that the heat exchange channel for the high temperature gas is extended; therefore, the heat exchange time for the gas and water in the water tank is prolonged, the heat exchange is more sufficient and the heating efficiency of the water heater is improved.

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.

The invention discloses a flat plate heat pipe, which comprises a shell and a capillary structure, wherein the capillary structure is attached to the inner surface of the shell; a steam passage is enclosed by the inner surface of the shell and the surface of the capillary structure together; and the volume of the capillary structure is equal to the volume of the steam passage. Compared with the prior art, the flat plate heat pipe has the advantages that the steam passage of the flat plate heat pipe is positioned on the outer side of the capillary structure, and a working medium which is evaporated from the capillary structure enters the steam passage from one side face of the capillary structure, so that the evaporated working medium has small mutual influence and cannot form turbulent flow easily; and since the volume of the capillary structure is equal to the volume of the steam passage, the maximum heat transfer of the flat plate heat pipe is guaranteed, and the heat resistance is relatively small, and accordingly, the flat plate heat pipe has more superior performance.

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 relates to an electricity generating tower turbine turbofan revolving structure. The structure comprises a traveling orbit, a turbine turbofan, a revolving gear ring, a shaft component, a fixing support and a motor component. The traveling orbit is placed on a concrete base platform. Bolt sets are evenly distributed at the bottom of the traveling orbit and used for fixing the traveling orbit on the concrete base platform. The turbine turbofan is arranged on the traveling orbit. Five support posts are evenly distributed on the traveling orbit. The revolving gear ring is placed on a top face of the turbine turbofan. The shaft component is connected with the fixing support. A driving component and a braking component are fixed on the fixing support. The whole component is placed in a cylindrical barrel provided with static vanes. The electricity generating tower turbine turbofan revolving structure has the advantages of being simple in turbine turbofan revolving structure, convenient to assemble and disassemble and capable of generating larger electric quantity at the same wind speed compared with existing vanes.

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.

The invention relates to a constant-flow uniform-temperature heating module. The constant-flow uniform-temperature heating module comprises a module outer box body, a hot air pore plate is arranged atthe bottom of the module outer box body, a center control air suction cavity is formed in the hot air pore plate, uniform air layer plates used for balancing air flow are arranged on the two sides ofthe center control air suction cavity, a heating wire module body is arranged at the top in the module outer box body, a heat insulation plate is further arranged at the top of the module outer box body, and an air blowing motor assembly is further arranged on the heat insulation plate. Compared with the prior art, the constant-flow uniform-temperature heating module has much more advantages.

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.

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 horizontal pulverized coal boiler with a single furnace pipe of the present disclosure comprises a combustor, a furnace pipe assembly and a reversal chamber, wherein the combustor is arranged at one end of the furnace pipe assembly, and the reversal chamber is arranged at the other end of the furnace pipe assembly. The furnace pipe assembly comprises a combustion ring forming a combustion chamber, a furnace pipe body and a reversal ring forming a channel. The furnace pipe body comprises at least two pipe sections which are spliced to form the furnace pipe body, wherein a connecting ring groove is formed in the end face of one pipe section, an annular connecting rib matched with the connecting ring groove is arranged on the end face of the other pipe section spliced with the pipe section, and a turbulator is arranged in the furnace pipe body. According to the scheme, in the practical application process, the turbulator is arranged in the furnace pipe body and is mainly used for disturbing the flow speed of smoke in the furnace pipe body, so that the furnace pipe body has higher heat transfer efficiency, and the boiler power can be improved. The inner side walls of the pipe sections are wave-shaped, so that the circulation state of the flue gas in the furnace pipe body is further optimized, and the performance of the boiler is optimized.

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 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 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 present invention provides a valve seat assembly of an electronic expansion valve, which is characterized in that it includes a valve seat provided with a first valve cavity and a substantially cylindrical valve core seat with a valve port fixed on the valve seat, The valve core seat forms the second valve cavity; the first connecting pipe and the second connecting pipe are fixedly connected with the valve seat; two communication holes are arranged on the circumferential side wall of the valve core seat, and the communication holes will The second valve chamber communicates with the first valve chamber; the two communication holes are symmetrically distributed along the first central axis of the second connecting pipe, and the distance between the two communicating holes and the second connecting pipe is equal. The present invention also provides an electronic expansion valve using the above-mentioned valve seat assembly. In the electronic expansion valve and the valve seat assembly thereof provided by the present invention, the refrigerant is not easy to generate turbulent flow, and the intensity of turbulent flow is reduced, thus avoiding the generation of noise.

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.

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.

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.

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.