523 results about "Particle separation" patented technology

The invention discloses a dynamic fluidized bed system and a dynamic fluidized separation method, belongs to the technical field of fluidized particle separation system measurement, and aims to solve the problem of poor detection precision of a mixed separation state of pulverized coal in a separation process in the prior art. In the dynamic fluidized bed system, a pressure acquisition unit acquires pressure signals at different positions of a bed layer in the vertical direction and transmits the pressure signals to a controller, the controller receives the pressure signals, calculates pressure difference signals, converts the pressure difference signals into density signals, and processes the density signals to generate a Hilbert map of particles in the bed layer; and judging whether the bed layer is in a mixed state or a separated state according to the Hilbert spectrum. The method can be used for dynamic fluidized separation of raw coal.

The invention discloses a method for simultaneously monitoring particle sorting and bubble movement behaviors based on fluorescence tracing. Comprising the following steps: placing heavy particles in a two-dimensional fluidized bed; putting a fluorescent particle after the fluidized bed starts fluidization; shooting the two-dimensional fluidized bed by using an image acquisition module, and capturing images of fluorescent particles and bubbles; an MATLAB image acquisition tool box is utilized to process image areas of shot pictures frame by frame, motion attributes of fluorescent particles and motion attributes of bubbles are obtained, the processed pictures are superposed and recombined into a new picture, and interaction of coal and bubbles in the gas-solid separation fluidized bed is researched. According to the invention, the interaction of particles and bubbles in the gas-solid separation fluidized bed is researched by utilizing a fluorescent tracing technology, so that the fine particle separation effect in the gas-solid separation fluidized bed is improved.

The invention relates to the technical field of carbon monoxide concentration detection, in particular to an industrial flue gas carbon monoxide concentration detection device which comprises an industrial flue gas detection mobile device, and a carbon monoxide concentration infrared detection device and a data analysis processing device are arranged above the industrial flue gas detection mobile device. The device has the beneficial effects that the comprehensive sealing plate is arranged in the flue gas suction probe, the particulate matter treatment frames are matched to guide gas by utilizing a streamline fin-shaped structure, and based on the inertia principle, large particulate matters deviate from a main stream and are pushed and dispersed to particulate matter diversion grooves on the two sides of an airflow particle separation guide sheet; small particulate matters are filtered by the filter disc, and then the gas is guided and dispersed in the heat dissipation and cooling process through the particulate matter treatment frame and is in contact with the water absorption silica gel pad, so that most of moisture can be absorbed, and the aim of pretreating the industrial flue gas in the flue gas suction probe sampling process is fulfilled.

The invention relates to the technical field of grain drying equipment, in particular to a low-temperature recycling type efficient energy-saving grain drying machine which comprises an air inlet channel, an air outlet channel, a rotational flow filtering mechanism and an adsorption filtering mechanism. The air inlet channel is connected with an air inlet system; the air outlet channel is connected with an exhaust system; the rotational flow filtering mechanism is arranged in the air outlet channel; the adsorption filtering mechanism is connected with the rotational flow filtering mechanism; water and dust particles in high-temperature waste gas are separated and then directly introduced into the evaporator, the evaporator is heated and then introduced into the heat exchanger to be heated, the filtered and heated gas flows through the outer surface of a channel where the waste gas passes, and redundant heat of the filtered and heated gas is transferred to the waste gas; waste heat recovery is achieved, and the temperature of gas entering the drying tower is controlled to be appropriate; the problems that when dust exists in grains, dried damp and hot waste gas carries the dust to be discharged, and the heat exchange efficiency is gradually reduced when the waste gas carrying the dust is recycled are solved.

To provide a fine particle separation technique for separating fine particles highly efficiently and highly precisely.SOLUTION: A fine particle separation apparatus includes: a first channel for introducing a first fluid including a first particle and a second particle; a second channel for introducing a second fluid not including particles; a third channel for introducing the first fluid and the second fluid as a laminar flow by merging the first channel with the second channel; a laser light source for irradiating the third channel with laser light; a first output port provided on the downstream side of an irradiation position of the laser light to take out a third fluid including the first particle; and a second output port provided on the downstream side of the irradiation position to take out a fourth fluid including the second particle having a scattering cross-section area larger than the first particle.SELECTED DRAWING: Figure 5

The invention discloses a tail gas purification device of an environment-friendly solid waste incinerator, and relates to the technical field of tail gas particle separation, the tail gas purification device comprises a separation tank, a tank cover and a control device arranged on the tank cover, and the interior of the separation tank is divided into a separation area, a deposition area and a mounting area; a separation mechanism used for separating particles in tail gas, a power part, a centrifugal mechanism, a scraping mechanism and a material receiving frame detachably and fixedly connected with the separation tank are arranged in the separation tank. The centrifugal mechanism and the separation mechanism are arranged, the centrifugal mechanism conducts preliminary centrifugal separation on particles in tail gas introduced into the separation area, then the particles which are not centrifugally separated by the centrifugal mechanism are still mixed with the tail gas, and then the separation mechanism conducts filtering separation on the tail gas which is still mixed with the particles. And atomized liquid is continuously sprayed to the surface of the separation plate through the spraying piece, so that the adsorption effect of the separation plate on particles in the tail gas is improved, and the separation effect of the device on the particles in the tail gas introduced into the separation tank is improved.

Electrochemical energy storage device electrodes formed from electrostatic deposition processes use composite particles that include an attached binder and optionally conductive particles along with active material (AM) particles formed by interaction forces between the individual component particles sufficient to form an effective composite particle capable of overcoming particle separation during electrostatic charging, fluidization, and / or mechanical transport. The secondary binder particles undergo deagglomeration to form subparticles attached to the AM particles with a predetermined morphology. Smaller conductive particles, typically carbon black (CB) or similar carbon, bind to the binder and adhere to the AM particles. The result is a composite particle that is attached to withstand the separation forces imposed on the current collector by electrostatic deposition. Applying multiple composite particles in a uniform pattern and at a defined loading onto the conductive current collector promotes robust energy density, power density, and cycle life for the electrochemical energy storage device.

The invention relates to the technical field of air purification, and discloses a space air particle differentiation system and a control method thereof.The space air particle differentiation system comprises an air particle separation module and a control module, the air particle separation module comprises an air inlet, a cyclone separation barrel and a detachable dust collection barrel, the cyclone separation barrel separates particles in air through centrifugal force classification, and the separated particles fall into the bottom dust collection barrel; the ultraviolet catalysis module comprises an ultraviolet reaction chamber, the inner wall of the ultraviolet reaction chamber is coated with a photocatalyst, and a UV-C light source is configured and used for decomposing organic pollutants and microorganisms; the electron-ozone reaction module comprises a mixed flow pipeline fan and an exhaust port, the mixed flow pipeline fan forms negative pressure airflow in the system, and purified air is exhausted through the exhaust port. Through cooperation of cyclone separation, ultraviolet catalysis and electron-ozone reaction, large particles are removed through cyclone separation, organic matter is decomposed through ultraviolet catalysis, microorganisms and superfine particles are oxidized and decomposed in a reaction chamber through electron flow and ozone, the maintenance period is prolonged, and efficient consumable-free purification is achieved.

The present invention provides a gas spraying particle tail gas treatment device, which relates to the field of particle separation technology. A gas spraying particle tail gas treatment device comprises: a box; a filter screen, which is arranged in the box body, and a plurality of spare screens are arranged outside the box body, and the number of spare screens is equal to the filter screen; a rotating source is fixedly installed in the box body, and the driving shaft of the rotating source is fixedly sleeved with a driving gear, and the driving shaft of the rotating source is fixedly connected with a transmission screw, and the transmission screw is threadedly connected with a transmission block, and the two side walls facing the transmission block are abutted with fixed limit rods, and the top wall of the transmission block is fixedly connected with a transmission spring, and the end of the transmission spring away from the transmission block is abutted with a conversion plate, a filter screen and a spare screen are respectively fixedly arranged at both ends of the conversion plate, and the top wall of the conversion plate is fixedly connected with a conversion gear that can mesh with the driving gear. The present invention can improve the efficiency of separating powder particles from tail gas.

An electrostatic separator or precipitator through which an air stream to be cleaned of particles flows in a longitudinal direction includes at least one electrospray ionization source, which is supplied with a positive potential and can be implemented, for example, by the tips of a graphite fiber bundle, and a collector unit arranged downstream for particle separation and having parallel collector and driver plates. The ion flow from the corona zone is additionally homogenized and spread by an upstream collector element, in particular a collector grid, upstream of the at least one electrospray ionization source, so that high particle separation rates can be achieved with minimal ozone emissions. Alternatively, or in addition, the ion flow from the corona zone can be homogenized downstream of the at least one spray ionization source by one or more border counter-electrodes.

A method for separating particles in a biofluid includes pretreating the biofluid by introducing an additive, flowing the pretreated biofluid through a microfluidic separation channel, and applying acoustic energy to the microfluidic separation channel. A system for microfluidic separation, capable of separating target particles from non-target particles in a biofluid includes at least one microfluidic separation channel, a source of biofluid, a source of additive, and at least one acoustic transducer coupled to the microfluidic separation channel. A kit for microfluidic particle separation includes a microfluidic separation channel connected to an acoustic transducer, a source of an additive, and instructions for use.

A dust collecting device is provided. The dust collecting device includes a particle separation component, an airflow output component and a particle collection component. One side of the particle separation component extends outward to form a first gas input portion, one end of the particle separation component extends outward to form a first gas output portion, and another end of the particle separation component extends outward to form a foreign matter outlet portion. One side of the airflow output component extends outward to form an airflow inlet portion, one end of the airflow output component extends outward to form a second gas output portion, and another end of the airflow output component extends outward to form a second gas input portion. The second gas output portion is connected to the first gas input portion. The particle collection component is connected to the foreign matter outlet portion.

The invention discloses self-sterilization type packaging equipment for soft capsule production, and relates to the technical field of soft capsule packaging equipment, the self-sterilization type packaging equipment for soft capsule production comprises a cleaning mechanism arranged on a first fixing plate, the cleaning mechanism comprises a first connecting plate fixedly connected with the first fixing plate, and circular plates are rotatably arranged on the first connecting plate at equal intervals; a first belt wheel is fixedly arranged on each round plate. According to the soft capsule cleaning device, the cleaning mechanism is arranged, soft capsules subjected to particle separation are conveyed in a limiting channel through a cleaning roller and rotate at the same time, and therefore the surfaces of the soft capsules are wiped through soft cleaning fabric on the cleaning roller; the oil stain on each soft capsule is erased, and the soft capsule surface which is partially stained with leaked liquid of the damaged soft capsule is erased, so that the quality of the soft capsule is prevented from being influenced by the leaked liquid medicine of the damaged soft capsule, the quality of the soft capsule during bottling is ensured, and the influence of the leaked liquid medicine of the damaged soft capsule is avoided.

The invention discloses a pollution source control and removal method for an underground water organic pollution site, and relates to the technical field of site remediation. Firstly, an underground water pollution source is controlled, and a waterproof curtain is built at the boundary of a polluted area. Then an underground water pollution source is removed in a polluted area excavation and ectopic treatment mode, and polluted underground water is collected through foundation pit dewatering in the excavation process and conveyed to wastewater treatment equipment to be treated; the excavated aquifer medium soil is subjected to ex-situ indirect thermal desorption treatment, adsorbed and residual organic pollutants in the soil medium are heated into a gas state to be separated from soil particles, and generated high-temperature waste gas is subjected to activated carbon adsorption treatment after being pretreated. By monitoring underground water around and inside the remediation area, an underground water pollution source is effectively controlled and removed, and the removal rate of soil and underground water pollutants after treatment is close to 100%. The method is thorough in underground water organic pollution site treatment and high in treatment efficiency.

The invention discloses a self-adaptive air pressure regulation and control system of quartz sand unpowered powder selecting equipment, and relates to the technical field of automatic control. According to the method, wind pressure and airflow disturbance signals are collected, a high-resolution map is generated through Hampel filtering and noise reduction, features are extracted through the convolutional neural network, key influence areas are identified, the problem of unstable wind pressure caused by airflow disturbance in a mountainous area is solved, and the particle separation precision is improved; a natural potential energy distribution matrix is constructed based on building floor height difference, velocity field reconstruction and airflow channel optimization are driven, technological parameters are adjusted in combination with a gradient descent algorithm, precise utilization of natural potential energy is achieved, energy consumption is reduced, uneven efficiency is improved, airflow distribution is simulated through a fluid dynamic model, and sedimentation behaviors are analyzed and predicted through particle trajectory. A support vector machine is used for classifying tracks and generating regulation and control instructions, PID control is used for stabilizing air pressure to form a closed loop, the problems that fine powder is mixed with coarse powder, coarse particles are left and the like are avoided, the equipment blockage risk is reduced, and the product purity stability is improved.

An electrostatic air cleaner may be operated according to a manner designed to achieve acceptable air quality while balancing power usage and corona electrode degradation levels. The voltage applied to the corona electrode(s) may be controlled as well as the voltage applied to repelling electrodes and air flow velocity. The air cleaner may also be operated to achieve desired particle separation.

The utility model belongs to the technical field of gas-solid separation, and particularly relates to a cyclone separator which comprises a first separation cylinder, a second separation cylinder, an air inlet pipe, an exhaust pipe and an ash bucket, the first separation cylinder comprises a first cylinder and a first conical cylinder, and the second separation cylinder comprises a second cylinder and a second conical cylinder. The second separation cylinder is coaxially sleeved in the first separation cylinder; the device further comprises a condensing coil, a refrigerating machine and a fan; the dust hopper comprises an inclined guide plate, a sliding rail and a storage groove, the two stages of cyclone barrels are adopted, the first separation barrel is used for collecting coarse particles, the second separation barrel is used for collecting fine particles, the separation efficiency is remarkably improved, and the burden of downstream equipment is relieved; in addition, a water absorption filter screen for removing water vapor, a vibrator and a storage tank for collecting dust are supplemented, so that the equipment is convenient to clean.

Particles are sorted into paths based on a measurable parameter by forming them into a stream in at least one duct carried on a body rotating around an axis where the duct is shaped so that the particles are accelerated to cause the particles separated into the duct to be aligned one after another in a row in the duct. The parameter of the particles are measured in the aligned stream one after the other and the particles are directed into one of a plurality of paths as determined by the measurement. In one arrangement the body comprises a disk member having a front face facing a supply conduit and the duct lies in a radial plane of the disk member. In one arrangement the measurement of the parameter is carried out by one or more measurement devices either carried on the disk or outside the edge of the disk.

The present application relates to the technical field of high-salinity wastewater, and particularly relates to a device and a method for separating metal ions in high-salinity wastewater by micro-interface induced crystallization. The present application provides a device for separating metal ions in high-salinity wastewater by micro-interface induced crystallization, which comprises a cylinder, and a fluid mixing zone, a circulating granulation zone and a particle separation zone are sequentially arranged in the cylinder from bottom to top. The device for separating metal ions in high-salinity wastewater by micro-interface induced crystallization provided by the present application helps high-salinity wastewater to enter the upper space of the gas-liquid distributor at different speeds with the help of the differential-speed gas-liquid distributor; meanwhile, more crystalline particles are sent to the circulating granulation zone, the flow direction of the seed crystal in the circulating granulation is regulated, and the crystallization efficiency of the seed crystal is improved. The fluidization zone is designed to be wide at the bottom and narrow at the top, the cross-sectional area of the flow channel of the upper fluidization zone is increased, more sufficient reaction space is provided for the crystalline particles, the drag force of the fluid on the seed crystal particles is weakened, and the residence time of the crystalline particles in the upper fluidization zone is prolonged.

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 discloses a mineral substance feeding device. The mineral substance feeding device comprises a shell, a large particle separation bin, a medium particle separation bin, a small particle separation bin, a vibration separation mechanism and a material lifting and moving mechanism. The vibration separation mechanism comprises a vibration separation bracket, a material guide basin, a large particle separation sieve plate, a medium particle separation sieve plate and a vibration rotating mechanism; the vibration rotating mechanism drives the material guide basin, the large particle separation sieve plate and the medium particle separation sieve plate to vibrate and rotate; the large-particle separation sieve plate is used for separating large-particle mineral substances and throwing the large-particle mineral substances into the large-particle separation bin through rotary centrifugation, and the medium-particle separation sieve plate is used for separating medium-particle mineral substances and throwing the medium-particle mineral substances into the medium-particle separation bin through rotary centrifugation; the medium-particle separation sieve plate is used for guiding small-particle minerals into the small-particle separation bin; precise separation of particle minerals of different sizes is achieved, manual feeding is not needed, and it is ensured that nutritional ingredients in chicken feed are evenly distributed.

The utility model relates to the technical field of mixing devices, and discloses an EVA particle processing and mixing device which comprises a mixing box, a preheating box is fixedly connected to the top end face of the mixing box, a filtering box is fixedly connected to the top end face of the preheating box, and a filtering assembly is arranged on the inner wall of the filtering box. According to the EVA particle processing and mixing device, large impurities are discharged out of the filter box through the guide plate, resin particles leak to the position above the filter plate through the filter holes, small impurities are discharged out of the filter box through the discharge port, the resin particles fall onto the material uniformizing plate along the filter plate, and the resin particles are decelerated and spread out; the resin particles fall into the preheating box through the through holes formed in the material uniformizing plate, the motor is started to drive the cam to rotate, the cam jacks up the movable plate, so that the movable plate shakes up and down, the speed of separating large impurities from the resin particles is increased, the speed of filtering the resin particles is increased, the material uniformizing plate swings left and right, and the resin particles laid on the material uniformizing plate are further dispersed.

The invention relates to a mud sediment purification method and device, and belongs to the technical field of mud sediment purification. By adding a gel breaker and combining oxidation / acidolysis and thermochemical treatment, stable structures of colloidal particles are destroyed, wrapped fine particles are released, and a surfactant is further added in a partitioned manner by adopting a spiral path, so that the mud sediment purification effect is improved. And stirring is combined to ensure uniform diffusion of the agent, obviously reduce apparent viscosity of the slurry and improve fluidity. Afterwards, the centrifugal-shear synergistic effect of the high-speed centrifugal machine and the hydrocyclone is used for enhancing the particle separation efficiency, shortening the retention time and inhibiting the laminar flow blockage risk; meanwhile, an electric field is applied to drive charged particles to be enriched towards an electrode area. Finally, the water content of the slurry is greatly reduced through a deep dehydration process assisted by a filter aid, and the integrated process not only reduces the hydrodynamic resistance and treats volume expansion, but also remarkably relieves the problems of laminar flow retardation, abrasion and frequent blockage of pipelines and equipment.

The invention provides a paramagnetic micro-nano magnetic particle magnetophoresis separation device and a paramagnetic micro-nano magnetic particle magnetophoresis separation method, and relates to the technical field of micro-nano magnetic particle separation and magnetic labeled biomolecule separation analysis. The separation device comprises a plurality of permanent magnets which have the same magnetism and the same size and are arranged above the separation channel at intervals in the direction of the separation channel, and a plurality of sets of mechanical structures which respectively drive each permanent magnet to move up and down in the vertical direction; the Hall sensor clings to the separation channel and is used for detecting the magnetic induction intensity at the separation channel; a liquid inlet device; a UV / Vis ultraviolet-visible light detector; a collection device and a computer. The magnetic induction intensity in the separation channel can be set, the critical diameter of the micro-nano magnetic particles capable of being captured by the magnetic field is determined, magnetophoresis separation of paramagnetic micro-nano magnetic particles is accurately achieved, the controllability of the magnetophoresis separation process is enhanced, and the separation effect of the micro-nano magnetic particles is improved.

A device for the separation of a carbon dioxide of a gas stream by using a bed of particulate adsorber particles contained in a sorbent particle volume, comprising at least two inlet channels and at least two outlet channels in said sorbent particle volume, the inlet channels and outlet channels mutually intertwining at least partly to form a nested structure and being arranged parallel to each other. The inlet channels and outlet channels are alternatingly arranged in both lateral dimensions so that the sorbent particle volume is confined by the interspace defined by adjacent side walls of inlet and outlet channels. Further, the sorbent particle volume surrounds the channels circumferentially.

The invention provides a gas spraying particle tail gas treatment device, and relates to the technical field of particle separation. The invention discloses a gas spraying particle tail gas treatment device which comprises a box body, a plurality of filter screens are arranged in the box body, a plurality of standby screens are arranged outside the box body, and the number of the standby screens is equal to that of the filter screens; a rotating source is fixedly installed in the box body, a driving shaft of the rotating source is fixedly sleeved with a driving gear and fixedly connected with a transmission screw, the transmission screw is in threaded connection with a transmission block, the two opposite side walls of the transmission block abut against fixedly-arranged limiting rods, and the top wall of the transmission block is fixedly connected with a transmission spring. The end, away from the transmission block, of the transmission spring abuts against a conversion plate, a filter screen and a standby screen are fixedly arranged at the two ends of the conversion plate correspondingly, and the top wall of the conversion plate is fixedly connected with a conversion gear capable of being meshed with the driving gear. The efficiency of separating tail gas from powder particles can be improved.

The invention discloses carbon black particle selection and separation integrated equipment and method, and relates to the technical field of carbon black particle separation. The equipment is mainly composed of a multi-channel shunting assembly, a periodic electrostatic assembly and an ultrasonic sorting space. Raw material conveying and preliminary dispersion are achieved through the multi-channel shunting assembly, differential charge loading of carbon black particles is achieved through the periodic electrostatic assembly, and accurate sorting is achieved through ultrasonic damage agglomeration and arc-shaped electrostatic plate gradient voltage in the ultrasonic sorting space. The method comprises the steps of raw material conveying, charge loading, particle separation pretreatment, sorting of particles with different particle sizes, vibration discharging and collecting and the like. The problem of inaccurate separation caused by carbon black agglomeration in a traditional separation method is effectively solved, carbon black particles with different particle sizes can be accurately separated, the product quality is improved, separation of carbon black with different particle size ranges can be adapted by adjusting related parameters, and diversified production requirements are met.

The application discloses an integrated desulfurization and decarbonization particle separation external circulation spouting fluidized bed and a running method thereof, and belongs to the technical field of flue gas desulfurization and decarbonization. The fluidized bed is provided with a gas inlet at the bottom, a micro cyclone separator is arranged in the fluidized bed, a spouting bed gas inlet is communicated with a fluidized bed exhaust port, a micro cyclone separator exhaust port is communicated with the fluidized bed exhaust port, and the bottom of the micro cyclone separator is communicated with the outside. A calcium oxide feeding port is arranged at the lower end of the spouting bed, the top of the spouting bed is communicated with a cyclone separator gas inlet, a cyclone separator exhaust port is communicated with a calcining furnace inlet, and the calcining furnace is provided with a carbon dioxide discharge pipe. The intermittent fluidized bed is provided with a calcium hydroxide slurry inlet at the top, the calcium oxide feeding port is provided with a sealing cover, the calcining furnace outlet is communicated with a calcium oxide powder discharge pipe or a material guide pipe inlet, and the material guide pipe outlet is communicated with the lower end of the spouting bed. The continuous fluidized bed is provided with a liquid inlet at the top, the calcium oxide feeding port is an opening, the calcining furnace outlet is communicated with the material guide pipe inlet, and the material guide pipe outlet is communicated with the fluidized bed.

A debris flow discharge channel, comprising: a main channel through which the debris flow passes; a separation screen detachably connected to the main channel, the separation screen separating the main channel into an upper discharge channel and a lower discharge channel; a first accumulation area in communication with the upper discharge channel; a buffer channel in communication with the lower discharge channel, the buffer channel being provided with transverse energy dissipation ridges and longitudinal flow guide ridges; and a second accumulation area provided behind the buffer channel. The separation screen separates coarse and fine particles, which, in terms of service life, prevents the downstream discharge channel from being damaged by the huge impact force of coarse particles or being blocked by the accumulation, effectively prolongs the service life of the discharge channel, and, in terms of later maintenance, the separation of coarse and fine particles facilitates the maintenance and repair of the downstream main channel, thereby effectively reducing the maintenance cost in the later period.

Method of separating a mixture of scrap particles into fractions with different mass densities, comprising: feeding the mixture of scrap particles into a volume of ferrofluid held in a magnetic field configured for magnetic density separation of the scrap particles in the volume of ferrofluid; using the magnetic field, by the principle of magnetic density separation, causing the scrap particles in the volume of ferrofluid to become spatially distributed according to their mass densities along a separation direction having a horizontal component; while at least partly maintaining the spatial distribution, removing the scrap particles along a removal direction out of the volume of ferrofluid, the removal direction being substantially transverse to the separation direction; and, using the at least partially maintained spatial distribution, separating the removed scrap particles into fractions with different mass densities.