117 results about "Particle separators" patented technology

A material removal system includes a collection conduit having a distal end that is positionable adjacent particulate material. A primary particle separator system connected to the collection conduit separates quantities of particulate material entrained in an air stream. A secondary particle separator system connected to an outlet of the primary particle separator system separates additional quantities of particulate material entrained in an air stream exiting the primary particle separator system. An air pump connected to an outlet of the secondary particle separator system creates an airflow through the collection conduit and the primary and secondary particle separator systems. A conveyor system operatively associated with material discharge ports of the primary and secondary particle separator systems collects separated particulate material from the material discharge ports of the primary and secondary particle separator systems and transports the separated particulate material to a material discharge end of the conveyor system.

The invention discloses a plasma hydrodynamic cavitation aeration coupled piezoelectric catalysis organic wastewater treatment system and method. The system comprises a wastewater tank, a water pump, a Venturi tube hydrodynamic cavitator, a catalytic oxidation reactor, a piezoelectric particle separator, a piezoelectric catalytic particle bin, a low-temperature plasma generator and an air pump. By coupling piezoelectric catalysis, pressure pulsation mechanical energy generated by hydrodynamic cavitation is converted into chemical energy for driving the piezoelectric effect, on one hand, pollutants are directly oxidized, and on the other hand, plasma by-product H2O2 is efficiently converted into. OH with strong oxidizing property, so that cooperation with plasma advanced oxidation is formed, and the pollutant removal efficiency is improved. The pollutant degradation energy efficiency and the energy utilization rate of the system are greatly improved. Meanwhile, the system realizes efficient recovery and cyclic utilization of the magnetic piezoelectric catalytic particles through the magnetic separation type piezoelectric particle separator, so that secondary pollution of the catalyst is fundamentally avoided.

The invention discloses a particle separator bird / ice foreign object separation characteristic stepping verification method comprising the following steps: plate test verification: simplifying a particle separator front combination inner wall structure, constructing a plate test assembly, constructing a test bench, and carrying out a bird ice impact test to evaluate typical structure surface rebound and action characteristics of bird / ice in airflow; sector test verification: obtaining a sector test piece, building a test bed, and carrying out a bird / ice impact and separation test so as to evaluate the separation characteristics of the particle separator structure to the bird / ice under the approximate working condition; and full-ring test verification: obtaining a full-ring test piece, building a test bed, and carrying out a bird / ice impact and separation test so as to evaluate full-ring separation efficiency and structural response. According to the method, the bird / ice foreign object separation performance is progressively evaluated through a flat plate-sector-full ring three-stage verification system, the bird / ice separation capacity of the particle separator under different working conditions is gradually revealed, the separation characteristic rule of the particle separator is mastered, and reliable data support is provided for design of an engine air inlet protection system.

The present invention concerns systems, materials, and methods of cell, cell organelle and / or particle separation and / or concentration utilizing magnetic levitation to affect separation. In some embodiments, the separation and / or concentration is performed in the wells of a multi-well plate.

The invention provides a particle separator experimental device with an adjustable diverter deflection angle. The particle separator experimental device comprises a particle separator, a main channel switching section, a main channel total pressure rake, a bypass channel switching section, a bypass channel total pressure rake and a low-pressure suction table, the particle separator sucks air from the atmospheric environment, a tail end outlet is connected with a low-pressure air source through a valve, different flows required by an experiment can be matched by adjusting the opening degree of a downstream ball valve of an experiment table in the experiment process, and different working modes of the particle separator are switched by adjusting the rotating angle of the flow divider according to different incoming flow environments. The profile-adjustable particle separator experimental device is simple in principle, the structure is easy to achieve, compared with a traditional particle separator, the separation efficiency is improved, the total pressure loss is reduced, the requirements for an experimental site and an air source are low, and the design cost of the particle separator can be reduced. Therefore, on the premise that feasibility is guaranteed, a more efficient and economical air inlet protection system and an experimental device thereof are expected to be provided for a high-speed helicopter engine in the future.

The invention discloses a methyl ester wastewater treatment device in saccharin production, and relates to the technical field of wastewater treatment equipment. Comprising an adjusting cylinder, a coagulation cylinder, a biological reaction cylinder, two particle separators and a plurality of groups of delivery pumps. Waste water enters the adjusting cylinder after being subjected to primary impurity removal through the particle separator I, and the PH of the waste water is adjusted through cooperation of the circulating stirring structure and the acid-base property adjusting mechanism; the wastewater is subjected to secondary impurity removal through a second particle separator and then enters a coagulation cylinder to be mixed with a flocculation agent to generate flocculate, and a turbidity detection sensor is matched with a liquid extraction branch pipe to screen qualified wastewater; qualified wastewater enters the biological reaction cylinder, deep degradation is realized through the MBR and the aeration system, and a floating ball drives a shaking frame and a vibrating inner plate to prevent membrane blockage; after flocculate is separated by the treatment box, wastewater is recycled and reused; the device is compact in structure and high in automation degree, can efficiently remove wastewater impurities and refractory pollutants, ensures that wastewater reaches the standard and is discharged, and meets the large-scale wastewater treatment requirement of saccharin production.

A propulsion system for an aircraft includes a gas generating core engine, a propulsor that is driven by an exhaust gas flow that is generated by the core engine, and an inlet assembly where an inlet airflow is communicated to the core engine. The inlet assembly is disposed aft of the core engine and includes a turning duct that directs inlet air into the core engine, and a particle exhaust outlet that directs particulates away from the core engine.

This invention discloses a performance optimization device for a blower used in particle separator sand removal. This device innovatively provides a test method for effectively comparing and optimizing the performance parameters of the sand removal blower, filling the gap in existing technologies where effective performance parameter selection for blowers configured on the sand removal devices of aero-engine particle separators is not possible. This design device and testing method can effectively guide the optimization design of the aerodynamic characteristic parameters of the sand removal blower, enabling the blower to achieve high sand and dust suction efficiency while minimizing engine power extraction, thereby helping to meet the ever-increasing performance and reliability requirements of aero-engines.

A device for detecting particles in a lubricating oil of a machine, comprising a particle separator; at least one particle detector; a bypass conduit for the particle-concentrating oil, fluidly connected to an oil outlet of the particle separator, concentrating the particles; and wherein the at least one particle detector is operatively mounted on the bypass conduit so as to be able to detect particles in the bypass conduit.

A cyclonic particle separator includes a first member having an arcuate outer wall and an inlet port having a diameter d1 extending from the outer wall in a first direction and an outlet port extending from the wall in a second direction, the first direction being different than the second direction; a separator plate in communication with the first member; and a cyclonic chamber defined by the separator plate and the outer wall, the cyclonic chamber, the separator plate, and the outlet port having a common central axis.

The invention relates to the technical field of aero-engine foreign object impact damage control, in particular to a piezoelectric-driven aero-engine particle separator and an active regulation and control method thereof. The aero-engine particle separator comprises a separator shell, a piezoelectric displacement mechanism for controlling the throat area, a throat molded surface adjusting mechanism and a control center. According to the device, the sand grain concentration in air, the treated sand grain concentration and the total air inlet pressure can be obtained, calculation of the control center is combined, the throat molded surface adjusting mechanism is driven and controlled through the piezoelectric displacement mechanism to dynamically adjust the throat area, and it means that the device can respond according to the change of the air inlet environment; according to the method, the engine can reach the optimal working condition under the current condition on the premise that sand grains exceeding the limit concentration are not sucked, dynamic balance is achieved between the optimal working condition of the engine and the continuously-changed sand grain concentration of the outside, and therefore the adaptive capacity of an aircraft in the complex environment is greatly improved.

The technical problem to be solved by the present invention is to provide a silicon powder processing system and a silicon powder processing method, by controlling the humidity of the circulating gas, avoiding the generation of static electricity in the silicon blocks in the mill, and reducing potential safety hazards. It includes a silicon block bin, a ball mill, a particle separator, a cyclone separator, a bag filter, and a silicon powder bin; the exhaust port of the cyclone separator is sequentially connected to a first fan, a bag filter, and a second fan through a negative pressure pipeline, and the air outlet of the second fan is connected to the feed port of the ball mill through a circulating air supply pipeline; a gas humidity detector for detecting the humidity of the circulating gas is installed at a position close to the outlet of the second fan on the circulating air supply pipeline, and a steam pipe is connected to the side wall of the circulating air supply pipeline.

The present invention relates to a system for separating fine metal particles from the top gas of a metallurgical furnace (20), comprising: at least one gas transport pipe (10) configured to convey the top gas out of the metallurgical furnace (20); at least one coarse particle separator (11) for separating coarse particles from the top gas; at least one first collection tank (12) coupled downstream of the at least one coarse particle separator (11); at least one fine particle separator (13) for separating fine metal particles from the top gas; and at least one second collection tank (14) coupled downstream of the at least one fine particle separator (13), the at least one second collection tank (14) being configured to receive a slurry comprising the fine metal particles separated from the top gas; wherein the at least one gas transport pipe (10) forms a downstream connection between the metallurgical furnace (20), the at least one coarse particle separator (11) and the at least one fine particle separator (13). The invention also relates to a method for separating fine metal particles from the top gas of a metallurgical furnace (20), as well as to a metallurgical furnace (20) for producing pig iron and separating fine metal particles.

A particle separator system includes a diffuser extending along an axis to define a fluid path and a trap having walls that bound a cavity in fluid communication with the fluid path. The diffuser includes an inlet, an outlet, an inner wall, and an outer wall. The inlet fluidly communicates with a fluid source. The outlet fluidly communicates with an exhaust. The inner wall and the outer wall diverge from the inlet towards the outlet and, the outer wall is radially outward from the inner wall. The cavity fluidly communicates with the fluid path adjacent to the outer wall. The cavity is open towards the inlet of the diffuser.

This invention discloses an inner wall assembly for a particle separator and an aero-engine, comprising a first outer wall layer disposed on the windward flow channel surface, a second outer wall layer disposed on the leeward flow channel surface, an inner wall layer disposed on the inner side, a sandwich layer disposed between the first outer wall layer and the inner wall layer, a first mounting edge, and a second mounting edge. The first end of the first outer wall layer, the first end of the sandwich layer, and the first end of the inner wall layer are mounted on the first mounting edge. The second end of the sandwich layer and the second end of the first outer wall layer are respectively connected to the first end of the second outer wall layer. The second end of the second outer wall layer and the second end of the inner wall layer are respectively mounted on the second mounting edge. The second mounting edge is provided with a first air bleed structure for introducing anti-icing hot gas into the inner wall assembly. A first air bleed chamber is formed between the second outer wall layer and the inner wall layer, a second air bleed chamber is formed between the sandwich layer and the inner wall layer, and a third air bleed chamber is formed between the sandwich layer and the first outer wall layer. The sandwich layer is provided with a second air bleed structure for guiding the anti-icing hot gas in the second air bleed chamber to the third air bleed chamber.

The invention discloses a particle separator anti-icing structure and an aero-engine, the particle separator comprises a center body, a shell and a separation lip which are coaxially installed with an air inlet casing, an air inlet channel is formed between the center body and the shell, and the separation lip is located at the tail end of the particle separator and arranged in the air inlet casing; the separation lip comprises a first outer-layer wall and a first inner-layer wall, and the center body comprises a second inner-layer wall and a second outer-layer wall; a main flow channel front end communicating with the air inlet channel and a main flow channel of the air inlet casing is formed between the first inner layer wall and the outer wall face of the center body, a clearing flow channel is formed between the first outer layer wall and the inner wall of the shell, and the separation lip is used for separating air flow of the air inlet channel and guiding the air flow to the clearing flow channel and the main flow channel. The anti-icing structure comprises an air entraining structure arranged on the air inlet casing, the air entraining structure is used for leading anti-icing air to the separation lip, and the air entraining structure is further used for leading the anti-icing air into an interlayer channel between the second inner layer wall and the second outer layer wall.

The application discloses an ice-preventing structure of a particle separator and an aero-engine. The particle separator comprises a central body coaxially arranged with an air intake casing, an outer shell and a separation lip. An air inlet channel is formed between the central body and the outer shell. The separation lip is arranged at the tail end of the particle separator and in the air intake casing. The separation lip comprises a first outer wall and a first inner wall. The central body comprises a second inner wall and a second outer wall. A main flow channel front end is formed between the first inner wall and the outer wall of the central body, and the main flow channel front end is communicated with the air inlet channel and the air intake casing. A cleaning flow channel is formed between the first outer wall and the inner wall of the outer shell. The separation lip is used for separating the airflow of the air inlet channel and then guiding the airflow to the cleaning flow channel and the main flow channel respectively. The ice-preventing structure comprises an air bleed structure arranged in the air intake casing and used for guiding the ice-preventing gas to the separation lip. The air bleed structure is also used for guiding the ice-preventing gas into the interlayer channel between the second inner wall and the second outer wall.

An agricultural feed particle separator adapted for field use provides a portable unit with a fully sealable shaker box allowing viewing of the process through an upper window. Equal tare weights of the drawers of the shaker box and or the built-in load sensing system eliminates the loss of material in field conditions that can occur during transfer of feed material from drawers into separate containers for transport. In some embodiments each of the drawers may have a matching tare weight.

The utility model discloses a smoke dust collecting device for a welding workshop, and relates to the technical field of particle separators of hollow filters made of flexible materials. A smoke dust collecting device for a welding workshop comprises a mounting frame, a down-flow type filter cartridge dust remover, a filter cartridge, an air feeder, a chimney and a filter cartridge cleaning structure, the down-flow type filter cartridge dust remover is mounted in the mounting frame, the filter cartridge is mounted in the down-flow type filter cartridge dust remover, the filter cartridge cleaning structure is located on the down-flow type filter cartridge dust remover, and the chimney is arranged on the down-flow type filter cartridge dust remover. The filter cartridge cleaning structure comprises two fixing frames, two driving motors, four threaded rods and two belts, and through cooperation of a first cleaning frame, a second cleaning frame, the threaded rods and the belts, the threaded rods can drive the first cleaning frame and the second cleaning frame to horizontally move, so that the outer surface of the filter cartridge is conveniently cleaned, and the cleaning efficiency is improved. The condition of local blockage or incomplete ash removal of the filter cartridge is avoided, and the filtering efficiency of the dust remover is further improved.

The present invention relates generally to systems, materials, and methods utilizing magnetic levitation to affect separation and / or concentration of particulate containing samples, such as cells or biomolecules, within a medium. In some embodiments, the methods are used for the separation of a mixture of live cells and dead cells, and to isolate particle depleted medium.

A cyclonic separator for a gas turbine engine includes a housing, a fluid inlet, a first fluid outlet, a second fluid outlet, and a particulate separator. The housing includes a first end, a second end, and an outer wall extending between the first end and the second end. A fluid inlet is disposed at a first end of the housing. A first fluid outlet is disposed at the second end of the housing. The second fluid outlet is disposed in an outer wall downstream of the first end of the housing and extends at least partially outward in the radial direction. A particle separator is disposed in the housing between the first end and the second end, inside the outer wall in the radial direction, and extending in the circumferential direction. The particle separator defines a plurality of openings extending in a radial direction.

The present invention relates to a method for extracting coffee by adjusting input time by size of ground coffee bean particles, comprising the steps of: grinding coffee beans by using a grinder; using a particle separator to divide the ground coffee beans into a plurality of ranges by particle size; and inputting the ground coffee beans for each range into an extractor at each predetermined time so as to extract coffee. According to the present invention, a particle separation device is used to divide ground coffee beans into a plurality of ranges by particle size so that appropriate times for undesirable flavors to be extracted are measured, thereby allowing the ground coffee beans to be input, before final extraction, for the appropriate times, and thus only desirable flavors can be extracted from the ground coffee beans of each range, and the point in time at which undesirable flavors are extracted, which varies according to the type of coffee bean, degree of roasting, extraction temperature and the like, is set as the optimal input time so that the best coffee extract can be obtained.

The present invention discloses a method for progressively verifying the bird / ice foreign object separation characteristics of a particle separator, including: a flat plate test verification: after simplifying the inner wall structure of the front assembly of the particle separator, a flat plate test assembly is constructed, followed by a test bench and bird / ice impact tests to evaluate the surface rebound and action characteristics of bird / ice in a typical structure in an airflow; a sector test verification: obtaining a sector-shaped test piece, then constructing a test bench and conducting bird / ice impact and separation tests to evaluate the particle separator structure's bird / ice separation characteristics under similar operating conditions; and a full-ring test verification: obtaining a full-ring test piece, then constructing a test bench and conducting bird / ice impact and separation tests to evaluate the full-ring separation efficiency and structural response. The method of the present invention progressively evaluates the bird / ice foreign object separation performance through a three-level verification system of "flat plate-sector-full ring," gradually revealing the particle separator's bird / ice separation capabilities under different operating conditions, understanding its separation characteristics, and providing reliable data support for the design of engine intake protection systems.

A method for separating particles (64) using a laboratory automation device (10) includes: mounting a particle separator (20) to a pipetting arm (14) of the laboratory automation device (10), wherein a first pipetting tip (18a) and a second pipetting tip (18b) are connected to the pipetting arm (14), wherein the particle separator (20) is mounted by inserting the first pipetting tip (18a) into a first receiving portion (40a) of the particle separator (20) and inserting the second pipetting tip (18b) into a second receiving portion (40b) of the particle separator (20); creating a pressure difference between a first chamber (58a) and a second chamber (58b) of the particle separator (20), such that a suspension (62) in the first chamber (58a) and the second chamber (58b) moves through the interconnecting first chamber (58a) and the second chamber (58b). 8a) and a connecting channel (60) for the first chamber (58a) and the second chamber (58b), wherein the first chamber (58a) is interconnected with the first receiving portion (40a) and the second chamber (58b) is interconnected with the second receiving portion (40b), and wherein different pressures are applied to the first chamber (58a) and the second chamber (58b) via a first pipette tip (18a) and a second pipette tip (18b) connected to at least one pressure generator (32) of the laboratory automation device (10); an impedance signal (76) is determined using a measuring device (34) of the laboratory automation device (10), the impedance signal (76) indicating the impedance of the suspension (62) within the connecting channel (60); and particles (64) in the suspension (62) passing through the connecting channel (60) are detected by evaluating the impedance signal (76).

An assembly for a gas turbine engine includes at least one rotational assembly, an engine static structure, a compressor, one or more compressed air loads, and a particulate separator assembly. The at least one rotational assembly includes a shaft, a bladed compressor rotor, and a bladed turbine rotor. The engine static structure includes an engine case assembly. The engine case assembly surrounds the at least one rotational assembly. The compressor includes the bladed compressor rotor. The compressor is configured to form a compressed air flow. The one or more compressed air loads are disposed within the engine case assembly. The particulate separator assembly includes a plurality of particulate separators. The plurality of particulate separators are disposed outside of the engine case assembly. The plurality of particulate separators are configured to separate particulate from the compressed air flow and direct the compressed air flow to the one or more compressed air loads.

The present invention generally relates to the concentration of particle-containing samples, such as cells or biomolecules, in order to separate these particles in a medium and to separate the particle-removed medium. In some embodiments, the present invention generally relates to the isolation and / or concentration of nucleus from nucleus fragments and dead cells.

A ducted smoke detector includes a housing defining an interior cavity, an air inlet in fluid communication with the interior cavity, an air outlet in fluid communication with the interior cavity, a smoke sensing chamber disposed in the interior cavity, and a particulate separator disposed between and in fluid communication with the air inlet and the smoke sensing chamber in the interior cavity. The particulate separator includes a shaft, a perforated wall disposed around the shaft, and a plurality of deflection vanes disposed on the shaft. The perforated wall extends from a first open end to a second open end, is connected to the shaft, and is configured to rotate with the shaft. The plurality of deflection vanes is disposed on the shaft and extend radially outward toward the perforated wall, the plurality of deflection vanes configured to rotate with the shaft and the perforated wall.

A particle separation system includes at least one inertial particle separator spaced from or integrated with a heat exchanger. At least one inertial particle separator is disposed upstream of the heat exchanger. The at least one inertial particle separator is configured and arranged to direct a first fluid flow containing a first amount of particles to an inner channel disposed at a hub of the heat exchanger, an outer channel disposed at a tip of the heat exchanger, or both, the hub and the tip being located at a radially outer periphery of the heat exchanger, and directing a second fluid stream comprising a second amount of particles to a central portion of the heat exchanger to cool the fluid circulating within the heat exchanger. The second amount of particles is substantially less than the first amount of particles.