15results about How to "Enhance swirl effect" patented technology

The invention relates to a wind tunnel PIV tracer particle rapid and uniform cooling and mixing device, and the device comprises a mixing channel section which is internally provided with a mixing channel, and the mixing channel is cylindrical; the first airflow inlets are formed in the end face of the inlet end of the mixing channel section and are annularly distributed along the end face of the inlet end of the mixing channel section; the center of the ring where the first airflow inlet is located coincides with the axis of the end face of the inlet end of the mixing channel; the second airflow inlet is formed in the end face of the inlet end of the mixing channel section and is formed in the axis of the end face of the inlet end of the mixing channel; the third airflow inlet is formed in the inlet end of the mixing channel section, and the third airflow inlet is formed in the tangential direction of the radial section of the mixing channel; the airflow outlet is formed in the outlet end of the mixing channel section; the first, second and third airflow inlets are in communication with the mixing channel. The device has the advantages of being simple in structure and low in cost, rapid mixing heat transfer of wind tunnel PIV tracer water particles can be achieved, and large-proportion collision in the mixing process is avoided.

The utility model provides a dust collector rotational flow dust cup which comprises a cup body, the interior of the cup body is divided into a dust collection cavity and a rotational flow cavity, an air guide column is arranged at the bottom of the rotational flow cavity, a spirally-rising air guide face is arranged on the periphery of the air guide column, a dust collection opening is formed in the bottom of the cup body, the dust collection opening is connected with the air guide face through a spiral air inlet channel, and the air guide column is a cylinder. The air inlet channel and the air guide face take the circle center of the air guide column as the rotation center, and a dust outlet is formed in the top of the rotational flow cavity and communicates with the dust collection cavity. The air guide column enables rotational flow to be generated in the rotational flow cavity, and dust is fed into the dust collection cavity through the dust outlet. According to the cyclone dust cup of the dust collector, the air guide column is matched with the spiral air guide face around the air guide column and the air inlet channel, airflow flowing in the dust collection opening can form cyclone in the cyclone cavity, and therefore the airflow is discharged into the dust collection cavity along the dust outlet in the top end, and the situation that the filter assembly is blocked by dust, and use of a motor is affected is avoided.

The invention provides a cyclone filter for machine-made sand wastewater treatment, and relates to the field of wastewater treatment. The machine-made sand wastewater treatment cyclone filter comprises a barrel body, the lower end of the barrel body is provided with a funnel, the upper end of the funnel and the lower end of the barrel body are fixedly connected with lower connecting discs respectively, the two lower connecting discs are connected through bolts, the lower end of the funnel is provided with a control valve, and the control valve is connected with the lower end of the barrel body. The upper end of the control valve penetrates through the lower end face of the funnel and communicates with the interior, an internal rotational flow pipe is arranged in the barrel body, an upper connecting pipe is arranged at the center of the upper end face of the barrel body, and the lower end of the upper connecting pipe penetrates through the upper end face of the barrel body and communicates with the interior. By arranging the conveying structure, after being filtered by the filter screen, the waste water is collected and treated through the auger conveying shaft, the waste water is separated from particulate matters under the action of the filter shell, the particulate matters are discharged, the waste water is recycled into the pressurizing pipe under the action of the conveying pump and the discharging pipeline, and the subsequent treatment effect is improved through pretreatment.

The invention relates to the technical field of gas turbine combustion chambers, in particular to a gas turbine combustion chamber layout structure which comprises a gas inlet section, a combustion section is arranged on the gas inlet section, five sets of combustors are arranged in the gas inlet section, and each combustor comprises an outer shell, a middle shell and an inner shell which are sequentially arranged in a sleeving mode and coaxially arranged. A head cyclone is arranged at the air outlet end of the middle shell; a first guide vane; a second guide vane; a rotational flow assembly; and an assembling mechanism. Mixing of different components between air and fuel gas flow can be promoted, the reaction efficiency is improved, the uniformity of gas is improved, dead zones in the gas flow are effectively reduced, the gas flow is more uniform in the whole system, local accumulation or retention is avoided, the inlet direction of fluid can be optimized, the rotation effect of the fluid can be enhanced, and the service life of the fluid is prolonged. And rotational flow fluid is guided to be smoothly discharged, a certain flow speed is maintained, various combustion organizations such as diffusion, diffusion and premixing, premixing and the like are achieved, and therefore air organization and fuel distribution of each combustor are controllable.

The utility model discloses a prevent double -walled kiln spray gun damage and increase range structure belongs to industrial kiln technical field. A prevent double -walled kiln spray gun damage and increase range structure, including the upper gun pipe and the flow guide component of setting in the lower extreme of upper gun pipe, flow guide component is connected through the thread cap thread, flow guide component includes the flow guide chamber and the lower gun pipe of fixed in the lower extreme of flow guide chamber, the lower extreme of lower gun pipe is provided with the distribution component for improving fuel injection range, the utility model discloses a upper gun pipe and flow guide component are connected in the mode of thread cap thread, when overhauling in the later period, through the thread cap directly separates upper gun pipe and flow guide component, is convenient for overhauling work, improves the overhauling efficiency, through setting the extension cavity at the bending of upper gun pipe, to make fuel more smooth through, prevents fuel from plugging here.

The invention provides a cyclone separator, a control method of the cyclone separator and a heat exchange dehumidification device.The cyclone separator comprises an inflow pipeline, and a stator impeller is arranged at an airflow inlet of the inflow pipeline; the stator impeller comprises a hub and a plurality of rotational flow blades which are connected to the peripheral wall of the hub and extend outwards in the radial direction of the hub, and each rotational flow blade is provided with an inflow side edge close to one side of the airflow inlet and an outflow side edge away from one side of the airflow inlet. The swirl vane further comprises a rotary movable tail vane located on the side, away from the inflow side edge, of each outflow side edge, and each rotary movable tail vane can be controlled to rotate by a preset angle so as to change the geometric angle of a vane outlet of the swirl vane. By controlling the rotating direction of the rotating movable tail blade, the geometric angle of the blade outlet is changed according to different airflow dehumidification requirements, and the dehumidification water distribution efficiency and the flow resistance are both considered.

The utility model relates to an automatic spraying deodorization device for a kitchen waste workshop, which comprises a workshop, a water tank and a spraying pipeline, the spraying pipeline is arranged in the workshop, and a plurality of spraying heads are arranged on the spraying pipeline; the spraying head comprises a spraying shell installed on the spraying pipeline, a second filter screen installation groove used for installing a second filter element is formed in the position, above the spraying cavity, in the spraying shell, and a turbulent flow block installation groove used for installing a turbulent flow block is formed in the position, below the spraying cavity, in the spraying shell. And a nozzle with a conical structure is formed in the spraying shell below the turbulent flow block mounting groove. By means of the spraying heads on the spraying pipeline distributed in the workshop, odor in the workshop can be sprayed and deodorized more directly, and the treatment effect on the odor in the workshop is improved.

The application discloses a multi-nozzle coal water slurry supercritical water gasification reactor, which adopts a multi-layer structure and is internally provided with a sleeve; a cavity surrounded by the sleeve is a hydrogen-oxygen heat release area; an annular area between the sleeve and an outer shell is a gasification area; and a slag discharge area is arranged at the bottom of the reactor; an oxidant inlet pipe and a reaction product outlet are arranged at the top of the hydrogen-oxygen heat release area; a plurality of rows of nozzles are arranged on the longitudinal direction of the gasification area shell; and tangential supercritical water inlets are additionally arranged on the gasification area shell; and spiral guide vanes can be additionally arranged on the outer wall of the sleeve and the inner wall of the shell to strengthen flow field regulation. The high-speed tangential injection of supercritical water and the spiral guide vanes can make coal particles and supercritical water form a rotating flow in the gasification area, strengthen heat and mass transfer and mixing processes, and accelerate the reaction rate. Meanwhile, hydrogen generated after the supercritical water gasification of coal flows upward along the fluid after turning back, reacts with the oxidant in the hydrogen-oxygen heat release area, and releases heat, thereby providing the required heat for the supercritical water gasification of coal, and realizing efficient conversion of coal.

The invention discloses an ammonia spraying and mixing unit, which is applied to a dust-free flue gas denitration system and is mounted in a flue, and comprises a main pipe, which is arranged in the flue in a direction vertical to the flow direction of flue gas and is used for introducing ammonia gas or ammonia-air mixed gas; the plurality of branch pipes are communicated with the main pipe and extend along the flue gas direction; the free end of the branch pipe is sleeved with a bearing, one end of the bearing is fixedly connected with the branch pipe, and the other end of the bearing is connected with a hollow rotating shaft which is communicated with the branch pipe. The distribution pipes are arranged on the hollow rotating shaft and are in a communicated state, and the distribution pipes are uniformly distributed in the circumferential direction of the hollow rotating shaft; a plurality of ammonia gas spraying holes are formed in the distribution pipe; a certain included angle is formed between the spraying direction of the ammonia gas spraying holes and the flue gas flow direction; and the rotational flow blade is fixedly connected to the middle part of the branch pipe in the flue and is used for converting axial airflow into radial rotational airflow in the mixing process of the flue gas and the ammonia gas. The invention is suitable for the flue gas denitration device with lower allowable installation height and no dust or lower dust amount in the denitration transformation of the old boiler.

The invention relates to the technical field of galvanized pipe machining, and discloses a corrosion-resistant galvanized pipe production device which comprises a workbench, a feeding mechanism is arranged on the upper surface of the workbench, an air heater is fixedly installed on the upper surface of the workbench, the output end of the air heater is rotationally connected with an air blowing cylinder, and the air blowing cylinder is fixedly connected with the workbench. A rotational flow assembly is arranged on the upper surface of the workbench. According to the production device for the corrosion-resistant galvanized pipe, in order to avoid the situation that the consistency effect of zinc layers at different positions in the galvanized pipe is affected due to the fact that the hot air blowing stroke of the air blowing barrel is certain, a rotational flow mechanism is arranged and matched with a pinion and a gear ring; the multiple sets of flow guide plates in the air blowing barrel can divide airflow blown into the air blowing barrel and apply force for movement in the circumferential direction at the same time, so that hot air blown out of the air blowing barrel is blown into the galvanized pipe in a rotating advancing mode, and the blowing-away effect on redundant zinc layers in the galvanized pipe is improved.

The invention discloses a water-jet-guided laser head and a water-jet-guided laser processing device, relates to the technical field of laser processing, and aims to solve the problems that an existing water-jet-guided laser head cannot cool a lens and cannot dry the interior of the existing water-jet-guided laser head. According to the water guide laser head, the vortex separation structure is arranged on the shell, so that input high-pressure gas can be separated into cold airflow and hot airflow; wherein cold air flow can flow into the mirror cavity from the cold air outlet of the vortex separation channel through the cooling channel, is directly contacted with the lens assembly, exchanges heat with the lens assembly and then is discharged from the cold air discharge hole, so that the temperature of the lens is effectively reduced, and the mirror cavity is dried and cleaned; the hot air flow can flow into the fit clearance of the drying chamber and the nozzle from the hot air outlet of the vortex separation channel to dry the interior of the water guide laser head, and is discharged through the hot air discharge structure while taking away internal moisture and impurities to form positive pressure air flow blown outwards, so that the interior of the water guide laser head is further ensured to be dry and clean.

The invention discloses an ammonia spraying and mixing unit, which is applied to a flue gas denitration system without dust or with low dust content, is mounted in a flue, and comprises a main pipe, an ammonia spraying and mixing unit, an ammonia spraying and mixing unit, an ammonia spraying and mixing unit, an ammonia spraying and mixing unit, an ammonia spraying and mixing unit and an ammonia spraying and mixing unit, and is characterized in that the main pipe is arranged in the flue in the direction vertical to the flue gas flow direction; the plurality of branch pipes are communicated with the main pipe and extend along the flue gas direction; the distribution pipes are arranged at the positions, close to the free ends, of the branch pipes, and the distribution pipes are evenly distributed in the circumferential direction of the branch pipes; the distribution pipe is provided with a plurality of ammonia gas spraying holes of which the spraying direction is the same as that of the flue gas; and the rotational flow blade is fixedly connected to the middle part of the branch pipe in the flue and is used for converting axial airflow into radial rotational airflow in the mixing process of the flue gas and the ammonia gas. According to the invention, uniform mixing of ammonia gas and flue gas can be realized in a short distance, and the device is suitable for a flue gas denitration device which has a low allowable installation height and does not contain dust or has a low dust amount in denitration transformation of an old boiler.

This invention discloses an improved high-efficiency ice maker, comprising a shell, an upper end cover, a lower end cover, a rotating shaft, and a spiral scraper. The shell includes an outer cylinder, a middle cylinder, and an inner cylinder. A spiral guide plate is installed inside the refrigeration chamber, and multiple flow-tampering components are also installed within the refrigeration chamber. The key feature is that the flow-tampering components include an outer ring cylinder, an inner ring cylinder, a swirling ring, a rotating rod, spiral blades, and a flow-tampering tube. The inner and outer ring cylinders are connected via a swirling ring. A rotating rod is located at the center of the inner ring cylinder, and spiral blades are connected to the outer circumference of the rotating rod. A flow-tampering tube is located at the downstream end of the inner ring cylinder, and the flow-tampering tube is connected to a first connecting seat via a support rod. Both ends of the rotating rod are rotatably connected to the first and second connecting seats, respectively. This invention enables better mixing of the refrigerant, allowing for sufficient heat exchange between the refrigerant and the refrigeration chamber and its walls, thereby improving the production efficiency of slush / ice slurry / ice residue and enhancing the overall performance of the ice maker.

The utility model provides a pipeline alloy scale inhibitor without daily maintenance, which comprises a water inlet pipe, a water outlet pipe, a pipeline I and a pipeline II, and the water inlet pipe and the water outlet pipe are the same in structure. Even after being used for a long time, the low scaling level can still be kept, daily maintenance is not needed, use by a user is facilitated, adhesion and accumulation of scaling substances are effectively destroyed by arranging the spiral scale inhibition piece and the second pipeline, meanwhile, the liquidity of liquid in the pipeline is improved, the blocking risk of the scaling substances is reduced, the pipeline is kept unblocked, and the service life of the pipeline is prolonged. And meanwhile, the self-cleaning effect in the pipeline can be promoted and the disturbance and rotational flow effects of water flow can be improved through the rotary motion of the spiral scale inhibition plate, and the requirements for subsequent maintenance and cleaning are greatly reduced.

This utility model discloses a urea hydrolysis mixing chamber, relating to the field of automotive engine exhaust gas purification technology, including a housing; a top cover is connected to the top of the housing, and a disassembly mechanism is provided between the housing and the top cover. In this utility model, urea solution is atomized by a spray system and injected into the mixing chamber; multiple swirl plates generate turbulence, causing the urea droplets to initially mix with the high-temperature exhaust gas, extending the residence time and promoting droplet evaporation. The high-temperature exhaust gas enters from the high-temperature exhaust gas inlet at the bottom and flows upward through the delivery pipe. The exhaust gas forms a high-speed airflow through the pores on the guide plate, impacting the urea droplets and accelerating the pyrolysis reaction. The obliquely designed spiral blades further enhance the airflow swirling effect, ensuring full contact between the urea droplets and the exhaust gas. The microchannels on the evaporation plate significantly increase the specific surface area. By utilizing the swirl plates to generate turbulence, it is possible to ensure that the urea droplets and the high-temperature exhaust gas mix rapidly and thoroughly, thereby improving reaction efficiency.