25 results about "Particle emission" patented technology

This technology provides a way to easily perform decorative coloring on a substrate. [Solution] The decorative film deposition apparatus comprises a chamber, a titanium particle emission unit including a titanium target disposed in the chamber and which imparts energy to the titanium target to release titanium particles, a gas supply unit connected to the chamber and which supplies a reactive gas, and a control unit which controls the gas supply unit. The gas supply unit has a carbon-containing gas supply unit which supplies a carbon-containing gas containing carbon atoms into the chamber, a nitrogen-containing gas supply unit which supplies a nitrogen-containing gas containing nitrogen atoms into the chamber, and a flow rate adjustment unit which can adjust the flow rate of the carbon-containing gas with respect to the flow rate of the nitrogen-containing gas, and the control unit adjusts the flow rate of the carbon-containing gas with respect to the flow rate adjustment unit to adjust the visible light reflectance of the film formed on the object to be deposited.

The invention discloses alkali furnace flue gas treatment equipment, and belongs to the technical field of flue gas treatment.The alkali furnace flue gas treatment equipment comprises a treatment mechanism used for cooling high-temperature flue gas, and a separation mechanism used for separating solid particles in the flue gas and a pressure relief mechanism used for relieving pressure when the equipment is blocked are arranged in the treatment mechanism; the separation mechanism is linked with a scraper through rotating outer blades and inner blades, particles in flue gas can be efficiently separated and collected into a particle box in a centralized mode, pollution caused by emission of the particles along with the flue gas is avoided, meanwhile, the cleanliness of subsequent flue gas treatment is improved, and the service life of the flue gas is prolonged. The outer blades and the inner blades are staggered, so that all particulate matters in the smoke dust can enter the particulate matter collecting cavity; the treatment mechanism provided by the invention adopts a water spraying mode driven by a lifting extrusion block, so that water is uniformly sprayed into high-temperature flue gas through a cooling spray pipe and is rapidly gasified to absorb heat, rapid and uniform cooling is realized, the problem of local overheating or insufficient cooling is avoided, and the energy utilization efficiency is improved.

The present application relates to a mechanism and process method for reducing the particle emission of a belt pre-dryer, which comprises a flexible conveying assembly including a rotatingly arranged mesh belt and mesh holes penetrating through the mesh belt, and a layer of wet shavings to be dried is laid on the mesh belt; a flexible supporting assembly including a straightly arranged rigid guide rail, a rotatingly arranged flexible traction member, and a transversely connecting link arranged between the flexible traction members; the present application changes the fluctuating running state of the shavings layer into a steady parallel moving state, avoids the loose-dense-loose changes of the upper and lower layers of the shavings layer caused by the fluctuating running, reduces the phenomenon that the fine particles adsorbed and filtered by the upper layer of the shavings move and gather to the lower layer and the mesh belt caused by the fluctuating running, reduces the pressure difference between the upper and lower sides of the mesh belt caused by the gathering of the fine particles on the mesh belt, and improves the drying and filtering purification effect.

A diffuser device (1) for a device (3) for determining particle emissions from brakes is shown and described. The diffuser device (1) comprises a housing (5) extending along a flow direction (9), which defines an interior space (11) widening along the flow direction (9) and separates the interior space (11) from an environment (13) of the diffuser device (1) perpendicular to the flow direction (9). The housing also includes a subdivision unit (7) extending along the flow direction (9) that divides the interior space (11) into several sections perpendicular to the flow direction (9). A corresponding device (3) is also shown and described.

The utility model discloses a particle emitter with changeable width, which relates to the technical field of particle emitters, and comprises a shell cover, a motor arranged at the bottom of the shell cover, and an emitting rotating head connected with the output end of the motor and rotationally arranged in the shell cover, the emitting rotating head comprises a chuck, blades and a direction adjusting sleeve, dovetail grooves are formed in a chuck body of the chuck in the radial direction, dovetail clamping heads matched with the dovetail grooves in shape are arranged on the bottom edges of the blades, the blades are inserted into the dovetail grooves of the chuck through the dovetail clamping heads, positioning holes perpendicular to the dovetail grooves are formed in the positions, corresponding to the dovetail grooves, of the chuck body of the chuck, and positioning grooves are formed in the positions, corresponding to the positioning holes, of the dovetail clamping heads. And positioning pins are arranged in the positioning holes and penetrate through the positioning grooves to lock and fix the blades. The blades are detachably installed through the dovetail grooves and the positioning pins, the dovetail grooves are matched with the blades with different widths, and therefore the purpose of adjusting the width of the particle beam is achieved, the structure is simple, and replacement is convenient.

The utility model discloses a small-sized floating particle impact cabin, which relates to the technical field of workpiece burr processing equipment, and comprises a cabin body and a particle emitter, the emitting end of the particle emitter is communicated with the cabin body through an emitting window, vertical guide rails are fixed on side panels of the cabin body on two sides of the emitting window, and the vertical guide rails are connected with the emitting window. A sliding block is arranged on the guide rail in a sliding mode. A machine shell of the particle emitter is fixed to the sliding block. A connecting plate is further fixed to a machine shell of the particle emitter, the connecting plate is rotationally connected with one end of a connecting rod, the other end of the connecting rod is rotationally connected with a horizontal eccentric shaft of a rotating disc, and a horizontal center shaft of the rotating disc is installed at the top of the cabin body through a bearing seat, connected with the output end of a driving motor and driven by the driving motor to rotate. According to the utility model, the particle emitter can perform lifting motion for shot blasting in the process of emitting particles, so that the distribution area of shot blasting is enlarged, the efficiency is high, the shot blasting effect is stable, and the processing requirements of workpieces are met.

The application discloses a kind of coupling centrifugal separation's airflow sound source smoke elimination device and method.First airflow sound source and second airflow sound source are installed on box, first airflow sound source and second airflow sound source are respectively used to inhale and discharge airflow, dust collection drawer is connected to the bottom end of box, for collecting separated solid particles, guide mechanism and inner cylinder are fixedly connected in the lower part of box, air inlet pressure regulating assembly is fixedly connected in the upper part of box, and air inlet pressure regulating assembly is fixedly connected between first airflow sound source, cyclone vane and cylinder diameter adjusting mechanism are installed on inlet orifice plate, support tile is movably installed on inlet orifice plate along the radial direction of inlet orifice plate, a straight plate is provided between every two adjacent support tiles, and sliding vane two ends are respectively connected with resonant cavity sleeve and support tile.The application fully utilizes the discharged airflow of airflow sound source to realize self-induction and self-discharge of flue gas, realizes efficient purification of smoke and control of particle emission, and improves visibility of fire scene when fire occurs.

Provided are a computer program, information processing method, learning model generation method, and information processing device that can be expected to assist countermeasures against particles produced inside a processing container of a substrate processing device.　A computer program according to an embodiment of the present invention causes a computer to execute processing for: acquiring particle data including position information of particles generated inside a processing container of a substrate processing device; inputting the acquired particle data to a learning model that has undergone machine learning in which the particle data is received as input and information concerning the emission sources of the particles is output; acquiring information concerning the particle emission sources output by the learning model; and outputting the acquired information concerning the particle emission sources.

An asbestos free friction material composition and associated brake pad for vehicles, in particular for electric vehicles, having an improved friction stability, a reduced creep groan noise propensity and a lower particles emission, wherein the composition comprises at least one filler, at least a fibrous material, at least one binder, at least one lubricant, at least one or more abrasives, at least a first carbonaceous material having a particle size distribution such as to have a D50 higher than 10 μm and at least a second carbonaceous material having a particle size distribution such as to have a D50 less than 10 μm.

A method (100) for monitoring the particle emissivity of a brake unit installed in a vehicle, comprising:-measuring (101) the particle emissivity of the brake unit under one or more predetermined braking conditions on a brake dynamometer or drum test stand; establishing (102) a comparison table which contains the maximum particle emissivity of the braking unit for each predetermined braking condition; -measuring (103) the particle emissivity of the brake unit during the actual use of the vehicle; -verifying (104) whether the particle emissivity of the brake unit during the actual use of the vehicle is less than or equal to the maximum particle emissivity under the current braking conditions, or whether the particle emissivity of the brake unit during the actual use of the vehicle is greater than the maximum emissivity.

The invention discloses a gasoline engine particulate filter and a preparation method thereof.The preparation method comprises the steps that first inorganic powder material slurry and a first pore forming agent are mixed to form first mixed slurry, the first mixed slurry is applied to a particulate filter carrier, first roasting is conducted after drying, and a first coating is formed; mixing second inorganic powder material slurry with a second pore forming agent to form second mixed slurry, applying the second mixed slurry to the first coating, drying, and performing second roasting to form a second coating; third inorganic powder material slurry and a third pore forming agent are mixed to form third mixed slurry, the third mixed slurry is applied to the second coating, third roasting is carried out after drying, a third coating is formed, and the gasoline engine particle trap is obtained. The first pore-forming agent, the second pore-forming agent and the third pore-forming agent are all organic polymers with the decomposition temperature of 350-600 DEG C, and the average particle sizes of the first pore-forming agent, the second pore-forming agent and the third pore-forming agent are sequentially reduced. Therefore, the prepared gasoline engine particle trap is high in controllability of pore distribution, and low back pressure and ultralow particle emission can be realized.

This invention relates to an automatic protective device for tumor particle beam distribution equipment, comprising a working platform, an equipment base, a particle emission base, a protective cover, a guide bracket, a baffle plate, an air curtain structure, a micropore cleaning component, and an emergency triggering component. The protective cover is detachably connected to the equipment base via magnetic attraction. Connecting pipes on both sides of the cover cooperate with the spray nozzles to form an air curtain to block impurities. The baffle plate is constrained by a traction rope. When the equipment is misaligned, the traction rope breaks, and the baffle plate descends under gravity to block impurities. The tungsten sand fluid inside the rubber bladder is pressurized to achieve a seal. The emergency triggering component cooperates with a beam monitoring sensor to quickly cut off the connection in case of accidental emission. The baffle plate provides emergency blocking under the action of a compression spring. When the baffle plate descends, a scraper and a micropore cleaning component simultaneously clean the surface of the emission end and the precision micropores. This invention solves the problems of existing protective devices having a single beam blocking trigger, slow baffle plate response speed, and poor protective effect.

The utility model discloses an environmental protection type atomization equipment of glass incoming material sprays protective layer relates to atomization equipment technical field, and this environmental protection type atomization equipment of glass incoming material sprays protective layer includes the spraying box body, and the inboard of this spraying box body is installed respectively with the turnover fixed clamp and spraying device, and spraying device is located the upper end of fixed clamp, the utility model discloses, when exhausting, the exhaust fan collocates the waste gas treatment system of polyester fiberboard and activated carbon filter board, can effectively filter and purify the redundant paint mist produced in the spraying process, reduces the harmful gas and particle emission in paint mist, meets the environmental protection requirement, has protected the health of working environment and operator, has reduced the pollution to the atmosphere, when using, through the opening and closing of clamp no.

The invention relates to a method and device for detecting the carbon deposition amount of an EGR engine air inlet channel, and the method comprises the steps: carrying out the calibration of the particle emission in the rear exhaust of a turbine of a target engine under different working conditions, and forming an exhaust particle emission chart; according to the exhaust particulate matter emission chart, the accumulated emission amount of exhaust particulate matter behind an engine turbine is calculated; calibrating the exhaust gas recirculation rates of the target engine under different working conditions to form an exhaust gas recirculation rate chart; according to the exhaust gas recirculation rate chart, the total mass of particulate matter contained in exhaust gas reaching the gas inlet side in the exhaust gas recirculation system is calculated; and calculating the particulate matter adsorption coefficient and the particulate matter adsorption mass of the air inlet channel according to the total mass of the particulate matters contained in the waste gas on the air inlet side. The exhaust particulate matter emission data of the engine under different working conditions are actually collected through various sensors, the accumulation amount of particulate matters in exhaust can be accurately calculated, and the accuracy of a detection result is ensured.

The invention discloses a particle releasing and vibration applying device for partial discharge caused by metal particles, which comprises a motor and a connecting rod, and is characterized in that the output end of the motor is connected with a disc; one end of the connecting rod is eccentrically connected with the disc, and the other end of the connecting rod is connected with a vibration applying rod which is sleeved with a coil. The particle releasing and vibration applying device is simple in structure and easy to use, and particle releasing and vibration simulation can be conveniently achieved.

The brake pad comprises a plurality of storage holes formed in the brake pad, the storage holes are obliquely formed from the surface, close to a brake disc, of the brake pad to the interior of the brake pad, and the distribution density of the storage holes is gradually increased outwards from the rotation center of the brake disc in the radial direction of the brake pad. The storage holes are distributed in the circumferential direction of the brake pad at equal angles. Storage hole structures distributed at specific angles are formed in the surface of the brake pad, an efficient abrasion particle capturing and storing area is constructed, the capturing efficiency and the coagulation effect of tiny and multi-particle-size abrasion particles generated in the braking process are remarkably improved, and the source emission reduction capacity of non-waste-gas particles is improved; meanwhile, the gradient and staggered optimization design of multiple parameters such as the distribution density, the depth, the diameter and the inclination angle of the storage holes in the radial direction or the circumferential direction is adopted, and the space-time differential abrasion characteristic caused by linear speed difference and uneven stress distribution in the braking process is effectively adapted.

The invention discloses a brake pad capable of reducing emission of non-tail gas particles, the brake pad is sequentially provided with a first trapping area, a second trapping area and a third trapping area which are adjacently arranged from the working surface to the inside, and each area is internally provided with a plurality of hollow cavities which are uniformly distributed at intervals in the transverse direction and the longitudinal direction. A first trapping area, a second trapping area and a third trapping area which are provided with specific spherical cavity structures are arranged in a layered mode from an operation face to the inside, an efficient and lasting particle trapping and managing system is constructed, and the trapping and coagulation efficiency of frictional wear particles generated in the braking process is remarkably improved; the emission concentration of non-tail gas particulate matters is fundamentally reduced; the spherical contour design and the proper diameter of the spherical hollow cavity structure ensure efficient capture of particles, and the spherical hollow cavity structure and the layered layout effectively optimize the friction contact stress distribution in the brake pad.

The application provides a particle source analysis method and device, a terminal and a storage medium. The method comprises the following steps: acquiring the number concentration data of particles of different particle sizes of at least one pollution source, and establishing a typical particle emission source particle size spectrum library; monitoring the number concentration data of particles of a target environmental receptor in a preset period; identifying the first contribution rate of different particle size sections of different pollution sources in the target environmental receptor in the preset period based on an orthogonal matrix factor analysis model according to the number concentration data of particles of the target environmental receptor in the preset period; and finding the pollution source of atmospheric particles in the target environmental receptor in the preset period from the typical particle emission source particle size spectrum library based on the first contribution rate of particles of different particle size sections of different pollution sources in the target environmental receptor in the preset period. The application can improve the accuracy of the pollution source analysis result of particles in the environmental receptor.

The invention relates to a measuring system (1) for determining particle emissions emanating from a vehicle wheel (2) having a wheel center axle (M), comprising a measuring arrangement (5, 6) - a collecting line (44) extending along a longitudinal axis (L) for directing a collected gas flow to a sampling device (46), - a collector device (20) with a flow channel (27) for collecting and transferring the gas flow from an area at the vehicle wheel (2) to the collecting pipe (44), with an inlet opening (24) for alignment in the direction of the vehicle wheel (2), with a collector pipe-side outlet opening (25) which is preferably at least substantially congruent with a flow cross-section of the collecting pipe (44) and is preferably detachably, attachable or fixed to it, and with a substrate-side underside (17), and - the sampling device (46) comprising at least one sampling line (51) and one associated sampling probe (48) with an inlet-side sampling opening (50) for taking samples from the gas flow within the collecting line (44) and for directing the extracted samples to an analysis arrangement (58). Optimized determination of particle emissions can be achieved by adapting the collector device (20) to the vehicle wheel (2), wherein the inlet opening (24) has a height (hb) that corresponds to at least 20%, preferably at least 25%, of a height (hd) of the vehicle wheel (2), wherein in particular the height (hb) is greater than a width of the inlet opening (24).

The invention relates to an engine post-processing system and a control strategy thereof in the technical field of engines, and the engine post-processing system comprises a methanol supply module used for providing methanol to an engine for combustion; the hydrogen supply module is used for providing hydrogen to an engine for combustion; the methanol cracking device is used for decomposing methanol provided by the methanol supply module into hydrogen and conveying the hydrogen to the hydrogen supply module; the first tail gas treatment module is used for using the hydrogen supplied by the hydrogen supply module as a reducing agent; and the second tail gas treatment module is used for using the methanol provided by the methanol supply module as a reducing agent and treating engine combustion product particle emissions. According to the engine aftertreatment system and the control strategy thereof, the problems of NOx emission and particle emission of the methanol pyrolysis gas engine can be effectively solved, meanwhile, the transient and dynamic performance of the methanol pyrolysis gas engine is improved, and the trouble of injecting a urea solution is omitted.

The disclosure relates to a chimney control assembly for minimizing particle emission in a combustion process in a fuel burning heating device connected to a chimney, comprising: a fuel burning heating device (1), a chimney (2) comprising a hollow interior, wherein the fuel burning heating device (1) has an exhaust gas outlet (6) connected to the interior of the chimney via an exhaust inlet (7) arranged in the lower portion of the chimney (2), and the assembly further comprising: two or more sensors (11,12,13,14,15,16), a top mounted fan (4), and a controller (5), wherein the controller comprise: a set of parameters reflecting the specified pressure requirements of the fuel burning heating device (1), input connected to, for reading, the one or more sensors (11,12,13,14,15,16), and output connected to, for controlling, the top mounted fan (4) such that the pressure requirements of the fuel burning heating device (1) can be achieved. The disclosure further relates to a method for optimizing the combustion process in a fuel burning heating device.

Systems and methods for inspecting a sample. Systems and methods may include determining a plurality of locations on a sample, each location corresponding to an inspection feature on the sample in a field of view (FOV); providing one or more charged particle beams to the sample, each charged particle beam being provided to a corresponding location of the plurality of locations; for each location, detecting one or more particle emissions caused by the charging of the corresponding location; and for each location, determining defect information of the sample based on the one or more detected particle emissions.