167 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.

A turbine engine having an axial centerline is provided that includes a compressor section, a combustor section, an outer casing, an inner diffuser case, a turbine section, a particle separator, and a particle agglomerator. The outer casing is disposed radially outside of and spaced apart from an annular combustor. A diffuser outer diameter (OD) flow path is disposed radially between the outer casing and the outer combustor wall. The inner diffuser case is disposed radially inside of and spaced apart from the annular combustor. A diffuser inner diameter (ID) flow path is disposed radially between the inner combustor wall and the inner diffuser case. The particle agglomerator is configured to produce acoustic signals that causes agglomeration of particles entrained in an air flow within the turbine engine.

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.

A particle separator configured to be disposed within a turbine engine diffuser flow path is provided. The particle separator includes a housing, a hollow cavity member, and a helical member. The housing has a forward end inlet, an exterior wall, an aft wall, an interior cavity, and an aft exhaust passage extending outwardly from the exterior wall adjacent the aft wall. The hollow cavity member has a first portion, an interior region, and an open aft end. The first portion is disposed within the housing interior cavity and includes perforations. The helical member is disposed within the housing interior cavity. The helical member forms a helical passage between the housing exterior wall and the first portion of the hollow cavity member. The helical passage has a passage inlet disposed adjacent to the housing forward end inlet and a terminal end in communication with the aft exhaust passage.

A cyclonic particle separator (126) may include a housing (130) including a cylindrical sidewall (132) having a plurality of flow entry ports (134). A cover member (136) closes a first end (138) of the cylindrical sidewall (132), and a mounting member (140) having a flow exit opening (160) defined therethrough is at a second end (142) of the cylindrical sidewall (132). At least one particle exit passage (176) is defined in the housing (130). Each of the plurality of flow entry ports (134) includes a flow directing surface angled to direct a gas flow from upstream of the housing (130) to enter the housing (130) in a tangential direction relative to the cylindrical sidewall (132), causing a cyclone vortex. The cyclone vortex acts to separate particles from the gas flow.

The invention discloses a particle separator sealing clamp, a sealing test device and a sealing test method, and belongs to the technical field of aero-engine tests.The particle separator sealing clamp comprises a positioning plate assembly, a bottom plate assembly, a connecting piece, a pipe joint and a plugging assembly; the positioning plate is used for blocking the first end of a main oil way of the rear section of a cartridge receiver of the particle separator assembly, an air inlet through hole is formed in the positioning plate, the pipe connector is arranged in the air inlet through hole and used for being externally connected with an air source and guiding air into the main oil way of the rear section of the cartridge receiver, and the blocking assembly is used for replacing the pipe connector to be installed in the air inlet through hole and blocking the air inlet through hole. The bottom plate assembly comprises a bottom plate, the bottom plate is used for blocking the second end of the main oil way of the rear section of the cartridge receiver of the particle separator assembly, and the connecting piece is used for connecting and locking the positioning plate and the bottom plate. According to the invention, one set of sealing clamp can meet the requirements of sealing tests in different stages, and the test efficiency and the test accuracy are improved.

The invention discloses a measuring system and a testing method for a three-dimensional track of sand dust particles in a particle separator. The measuring system comprises the particle separator, two high-speed cameras and a sand throwing system, sand and dust particles at the specified speed and angle are projected into the particle separator through the sand throwing system; the two cameras are used for shooting the flow direction view field and the spanwise view field of the particle separator at the same time; calculating pixel coordinates of the sand dust particles at each instantaneous moment by using an image processing method, and then calculating real coordinates of the sand dust particles at each moment in two visual fields by using parameters calibrated by a camera; and finally obtaining the three-dimensional motion trail of the sand dust particles. The measuring system is simple in overall structure, sand dust particles at different speeds and angles can be simulated, and high adaptability and flexibility are achieved; the three-dimensional motion trail of the sand dust particles is obtained by capturing the images of the sand dust particles in the two visual fields and processing the images, the real motion characteristics of the sand dust particles are restored, and a foundation is laid for research of the particle separator.

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 relates to the technical field of chlorination process titanium dioxide production, and provides a preparation method and system of a titanium dioxide chloride finished product. The method comprises the following steps: uniformly mixing primary titanium dioxide chloride powder and desalted water in proportion to obtain titanium dioxide chloride slurry; conveying the titanium dioxide chloride slurry to a nano-particle separator, and obtaining oxidized primary slurry in different particle size ranges through the nano-particle separator; and respectively carrying out coating treatment on the oxidized primary product slurry in different particle size ranges, and then inputting the coated oxidized primary product slurry with different particle sizes into a gas-phase mixing tank according to a ratio for mixing to obtain a titanium dioxide chloride finished product meeting the target particle size requirement. According to the scheme, in the process of preparing the finished titanium dioxide chloride product meeting the target particle size requirement, the addition amount of the additive and reaction conditions in the preparation process do not need to be strictly controlled, the finished titanium dioxide chloride product particles with the good particle size distribution condition can also be obtained, and due to the fact that accurate control is not needed, the production cost is reduced, and the preparation efficiency is improved.

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 particle separator configured to be disposed within a turbine engine diffuser flow path is provided. The particle separator includes a housing that extends between a forward end and an aft end, first and second swirl vane stages, and first and second air flow exits. The first swirl vane stage is configured to cause an air flow passing through the first swirl vane stage to swirl within the housing as the air flow travels axially in a direction from the forward end toward the aft end of the housing. The second swirl vane stage is configured to cause a first portion of the air flow passing through the second swirl vane stage to redirect into a substantially axially directed flow that enters the second air flow exit.

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.

The particle separator comprises an oil baffle ring fixed to an air inlet of a fan shell through a flange ring, the cross section of the oil baffle ring is in a C shape, a center shaft is arranged in the center of the inner side of the oil baffle ring, and one end of the center shaft is in transmission connection with an impeller shaft in the fan through a clutch mechanism. The central shaft is sleeved and fixedly connected with a shaft sleeve, the shaft sleeve is provided with an oil-smoke separation assembly, the air inlet end of the oil baffle ring is provided with a rough filtration mechanism, and the other end of the central shaft is in transmission connection with the rough filtration mechanism; the oil fume separation assembly comprises a mesh support and two oil fume separation meshes, the two oil fume separation meshes are installed on the two sides of the mesh support, a plurality of oil scraping plates are arranged on the outer side edge of the mesh support, an oil leakage opening is formed in the bottom of the oil baffle ring, and the position, corresponding to the oil leakage opening, of the bottom of the oil baffle ring is fixedly connected with an oil receiving box through a bolt assembly. According to the particle separator for the fan, energy loss is reduced, the operation efficiency and durability of the impeller are improved, and the service life of the motor is prolonged.

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 pre-pump, sub-atmospheric pressure particle separator 10, comprising: an inlet conduit (20, fig. 1) configured to receive a sub-atmospheric pressure effluent stream from a semiconductor processing t

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 incineration flue gas treatment, in particular to organic waste gas and waste liquid incineration flue gas treatment equipment and system.The organic waste gas and waste liquid incineration flue gas treatment equipment comprises an incinerator, a gas burner is fixedly installed at one end of the incinerator, and an organic waste gas inlet pipe is fixedly installed on the inner wall of one side of the incinerator; a gas inlet channel is arranged at one end of the incinerator, a gas particle separation assembly is arranged at the other end of the incinerator, and an SNCR denitration assembly is arranged on one side of the gas particle separation assembly. A particle separator in the gas backflow chamber firstly separates particles of flue gas, so that the gas enters an SNCR denitration assembly through a right-angle connecting pipe for denitration treatment and enters a nitrogen discharge chamber after being converted into water and nitrogen, and the generated nitrogen enters the gas backflow chamber through a second backflow pipe to perform reverse airflow scouring on the particle separator; and secondary combustion is carried out.

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.

An apparatus and method for separating particulate matter included in a fluid from the fluid. In one embodiment, the apparatus comprises a particle separator for separating particulate matter included in a fluid from the fluid, principally comprising a housing, a vortex initiator, and a separation body. The housing may comprise a generally tubular body formed to provide a first internal shoulder against which a flange of the vortex initiator may be secured, and a second internal shoulder against which the separation body may be secured. The housing may be formed having an inlet portion disposed between the first and second internal shoulders, the inlet portion may be provided with one or more ports disposed radially to direct incoming fluid toward an outer surface of the vortex initiator. The separation body may comprise a generally tubular body which may be formed to provide at least one generally conical internal surface profile.

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.

The utility model relates to the technical field of chemical fertilizer production, in particular to a chemical fertilizer particle separator for chemical fertilizer production, which comprises a box body, the inner wall of the top of the box body is rotatably connected with a stirring paddle through a bearing, the top of the stirring paddle is fixedly connected with the output end of a motor III, and the bottom of the motor III is fixedly connected with the top of the box body. A material box is fixedly connected to the inner wall of one side of the top of the box body, and a filter screen is in clearance fit with the inner wall of the bottom of the box body. Through cooperation of a box body, a convex block, a stirring paddle, a third motor, a material box, a cylinder body, a filter screen, a supporting plate, a transverse plate, a shell, a collecting box, a bent plate and a throwing structure, when the device is used, a first motor can drive a threaded rod to rotate in a reciprocating mode, the threaded rod drives a baffle to move left and right, and then chemical fertilizer in the material box intermittently falls off; and a large amount of chemical fertilizer is prevented from entering the box body together, blocking the filter screen and affecting the separation effect of chemical fertilizer particles.

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.