297 results about "Particle separation" patented technology

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.

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 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.

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 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.

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.

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device for ship operation, which comprises a cavity, an oil filtering assembly is movably mounted in the cavity, the oil filtering assembly comprises a sliding frame, a conical filter screen and a buoy, the sliding frame and the buoy are both slidably mounted in the cavity, and the conical filter screen is movably mounted in the cavity. And a rotating shaft is rotationally mounted in the cavity. In the sewage treatment process, the conical filter screen continuously performs alternate operation of forward filtration and reverse washing, the service life of the conical filter screen is prolonged, the sewage treatment efficiency and stability are improved, oil particles are guided to float upwards through the spiral strip, the oil particle collection efficiency is effectively improved, the coalescence effect is enhanced, and the oil particles can be recycled. Through extrusion of the first included angle, continuous and efficient discharge of oil particles is achieved, the situation that the separation effect is affected by local accumulated oil is avoided, the oil particle separation efficiency is further improved, meanwhile, the risk of blockage caused by accumulation of the oil particles on the inner side of the first included angle is avoided, and the stability of sewage treatment is ensured.

The present application relates to graphene material and its preparation technology, specifically to a method for growing graphene on the surface of non-metallic particles on a large scale, which is suitable for large-scale preparation of graphene-coated non-metallic powder material. The present application uses a two-step method to grow graphene uniformly on the surface of a large number of non-metallic particles: first, mix a large number of non-metallic particles with a carbon source, and form a bulk composite material of non-metallic particles and carbon through low-temperature carbonization; then, pass current to the above bulk composite material using electrodes to heat it to a higher temperature, convert the carbon into graphene, until graphene-coated non-metallic particles are obtained, which are separated from each other, and the high-temperature heating process stops spontaneously. The present application can grow a graphene layer on the surface of a large number of non-metallic particles, the method is easy to scale up, and has the characteristics of good uniformity of graphene coating and high particle separation degree; at the same time, by taking advantage of the large resistance of graphene-coated non-metallic particles which are separated from each other, the high-temperature heating process stops spontaneously.

The utility model discloses a profiling air inlet prefilter, which belongs to the technical field of air inlet pipelines of engines and comprises a shell component consisting of a first shell and a second shell, and the first shell and the second shell are welded to form a closed cavity. An air inlet channel inlet is formed in one end of the cavity, and an air outlet and a dust discharging unit are arranged at the other end of the cavity; and a filtering and separating unit is arranged in the cavity. According to the prefilter with the profiling air inlet channel, through the design of the dust discharging unit, the filtering and separating unit and the profiling flow channel, the particle separating efficiency is improved, the air inlet resistance is reduced, the maintenance frequency of the air filter is reduced, and the energy consumption and the cost are reduced.

The present invention belongs to the field of magnetic materials, and specifically relates to a method for preparing nanocrystalline strips and nanoparticles based on gas-phase drive and liquid rolling. A crystallized thin strip with a width of 5 to 40 mm is obtained through processes such as alloy melting, pouring, and liquid rolling. The crystallized thin strip is subjected to heat treatment, crushing, chemical and physical driven particle separation, and other processes to finally obtain a magnetic particle powder. The powder is single crystal, with more than 85% of the particles being undamaged and more than 95% of the particles having a damaged volume of ≤10%. The six-dimensional particle size D80 is 8 to 10 nm and 20 to 30 nm, the particle shape is a hexagonal prism structure, the aspect ratio is 1.2 to 1.8:1, and the magnetic induction is 35 to 80 A·m. 2 / kg.

The invention discloses a gas-solid separation type sintering machine vertical pipe superheater device, which belongs to the technical field of sintering and comprises a sintering machine tail air bellow, a gas-solid separation tee joint, a settling pipe, a superheater and a large flue. And one port of the gas-solid separation tee joint is communicated with a tail air box of the sintering machine. And the upstream end of the settling pipe is communicated with one port of the gas-solid separation tee joint. And the upstream end of the superheater is communicated with one port of the gas-solid separation tee joint. And the large flue is respectively communicated with the downstream end of the settling pipe and the downstream end of the superheater. After flue gas enters the gas-solid separation tee joint from a tail air box of the sintering machine, a gas purification path and a dust removal path are formed by the tee joint structure. Dust-containing particles of the flue gas flow along the direction of the settling pipe under the blocking and gravity effects of the structure of the gas-solid separation tee joint, so that large particles are settled. And the dust content of airflow after particle separation is remarkably reduced, and the quality of flue gas entering the superheater is greatly improved.

A method (200) of determining a progress of separation of particles suspended in a liquid in a container (110) of a separation apparatus (100), wherein: said particles are separated from said liquid by sedimentation; said separation apparatus (100) compri- sing a container (110) with a feed inlet and a rotatable rake (120) at its bottom (114); a motor (126) for driving said rake (120); and a pressure measuring device (130), for measuring a hydrostatic pressure at or near the bottom of said container said method (200) comprising: measuring (210) said hydrostatic pressure; driving (220) said rake (120) by means of said motor; obtaining (230) at least one load parameter of said motor (126) during said driving of said rotation; determining (240), especially in real time, a status indicator relating to said separation process, as a function of said hydrostatic pressure and said load parameter, wherein said status indicator comprises: a sedi- mentation index, especially wherein the sedimentation index is indicative of the separation of said particles from said liquid, and / or a feed solid content index, wherein the feed solid content index is indicative of the solid content supplied by said feed.

The invention relates to an apparatus for treating a gas stream containing undesired components, such as sulphur dioxide or mercury, the gas stream coming from a combustion unit (10) in which at least one mineral material can be calcined, and which apparatus in particular comprises a first injection device (162) connected to a second gas / particle separation device (140) such that at least part of the first particles injected into the gas stream by the first injection device (162) at least partly consists of a second particle stream coming from the second gas / particle separation device (140).

The application discloses a screening structure for dredging soil particle separation and a screening method thereof, relates to the technical field of soil particle screening structure, and aims at solving the problems that the existing dredging screening is mostly arranged with many water pipes in a soil stockyard, the flow between soil particles is accelerated through water flow, and the particle grading is improved, however, the method is high in cost and the actual effect is not very ideal. The inside of the screening pool is provided with a first baffle, one side of the upper end of the first baffle is provided with a second baffle, one side of the first baffle is provided with a first separation groove, the other side of the first baffle is provided with a second separation groove, one side of the inside of the screening pool is fixedly provided with a third baffle, one side of the third baffle is provided with a first particle scraping mechanism, one end of the inside of the screening pool, close to a feeding groove, is provided with a second particle scraping mechanism, and one end of the inside of the screening pool, close to a fine soil discharging groove, is provided with a third particle scraping mechanism.

The present disclosure relates to a device and method for the detection of microplastics in aquatic environments. An aspect of the disclosure comprises a device for the detection in situ of microplastics in aquatic environments comprising: an inlet and an outlet; a separation unit, within said inlet and outlet, with at least two arrays of micropillars separated from each other; a sample container, coupled to the inlet of the separation unit, comprising an aeration system; a detection unit aligned substantially perpendicularly to the separation unit; wherein the inlet comprises a coiled tube comprises a length from 25 cm to 125 cm; wherein the separation unit comprises a flow rate comprised from 10 µL / min to 150 µL / min, preferably from 50 µL / min to 150 µL / min, to promote particles separation according to their sizes due to an axial spreading of the particles along the direction of the laminar flow.

The invention discloses a petroleum coke calcination cooling flue gas treatment device with a cleaning function, and particularly relates to the technical field of flue gas treatment, the petroleum coke calcination cooling flue gas treatment device comprises a tank body, a gas inlet pipe arranged on one side of the tank body, a slag discharge port formed in one side of the tank body, and a gas outlet pipe arranged on the upper part of the outer surface of the tank body, a primary treatment structure communicated with the gas inlet pipe and used for cooling flue gas is arranged at the lower part of the inner cavity of the tank body, and a secondary treatment structure communicated with the gas outlet pipe is arranged at the upper part of the inner cavity of the tank body. A closed and stable flue gas purification environment is provided through the tank body, the gas inlet pipe receives pollutant-containing flue gas obtained after petroleum coke calcination and cooling, the primary treatment structure realizes flue gas cooling and particle separation, the secondary treatment structure deeply purifies residual pollutants, the slag discharge port discharges impurities to prevent secondary pollution, and the gas outlet pipe discharges flue gas reaching the standard. The purification efficiency is greatly improved through stage treatment, emission of particulate matter and harmful flue gas is effectively reduced, and atmospheric pollution treatment is assisted to reach the standard.

The invention discloses a particle separation method which comprises the following steps: 1) arranging a vacuum chamber, and horizontally arranging two polar plates, namely an upper polar plate and a lower polar plate, in the vacuum chamber; wherein the upper polar plate is grounded, and the lower polar plate is connected with a direct-current power supply; 2) arranging a particle separation channel on the lower polar plate; (3) two to-be-separated particles with different sizes are placed in an initial groove of the particle separation channel; (4) firstly, vacuumizing the vacuum chamber, and then filling argon into the vacuum chamber to enable the interior of the vacuum chamber to reach a high-purity argon environment state; and 5) outside the vacuum chamber, by adjusting the direct-current discharge voltage and the air pressure in the vacuum chamber, two kinds of particles with different sizes are charged when passing through the charged particles in the sheath layer, and then different motion states are formed in the particle separation channel, so that particle separation is realized. The device is easy and convenient to operate and high in efficiency, and a solution is provided for rapid separation of particles.

The utility model belongs to the field of separation devices, and particularly relates to a multi-stage screening type particle separation device which comprises a base, the upper end of the base is fixedly connected with two guide frames which are symmetrically distributed, the outer sides of the guide frames are connected with a vibration frame in a sliding mode, and the upper end of the vibration frame is fixedly connected with a frame. A plurality of uniformly distributed screening hoppers are fixedly connected to the outer side of the frame, screening nets are fixedly connected to the interiors of the screening hoppers, baffles are hinged to the interiors of the screening hoppers, and material taking mechanisms are arranged on the screening hoppers. The vibrating frame, the driving frame, the supporting wheel and other structures are additionally arranged on the base, in the using process, the supporting wheel can be driven to rotate through a motor and belt conveying, and in the rotating process, the supporting wheel can drive the driving frame to move front and back in an eccentric mode; and in the front-back moving process, the screening hopper can be driven to vibrate through the vibrating frame, and therefore the screening efficiency can be effectively improved.

The present application relates to a kind of particle separation device based on adaptive risk control and non-equilibrium vibration, belong to fine coal separation technical field, one of the problems of low separation precision, low efficiency and high energy consumption existing in the uniform air supply and overall balanced vibration of the existing particle air separation equipment is solved.The present application includes fluidized bed bed layer, airflow control unit and non-equilibrium vibration unit;Adjustable restraint mechanism is arranged between upper movable bed layer plate and lower restraint plate, adjustable air duct is formed between adjacent two adjustable restraint mechanisms, the adjustable air duct is communicated with the air distribution hole above and the restraint hole below, when movable bed layer plate moves up and down, the opening and closing size of adjustable air duct changes accordingly;Non-equilibrium vibration unit includes a plurality of first elastic bodies with gradually decreasing elastic coefficient, first elastic body is connected with the bed layer side plate of fluidized bed bed layer, and a plurality of first elastic bodies are arranged along the direction of material layer travel.The present application realizes the non-equilibrium vibration of fluidized bed bed layer and the adjustable air supply.

The utility model provides a desulfurized magnesium sulfite slurry cyclone. The desulfurized magnesium sulfite slurry cyclone comprises: a cyclone; the installation head is fixedly connected to the position, located at the top end, of the outer surface of the cyclone, one end of the installation head is fixedly connected with a feeding pipe, the other end of the feeding pipe is provided with a connecting pipe through a connecting disc, the other end of the connecting pipe is fixedly connected with a filtering pipe with a sealing cover, and the filtering pipe is fixedly connected with the cyclone. A filter plate is mounted in the filter pipe through a mounting buckle, and a butt joint pipe is mounted at the other end of the filter pipe. According to the desulfurized magnesium sulfite slurry cyclone provided by the utility model, by optimizing the structural design and adopting a new anti-blocking technology, the corrosion resistance of the cyclone is improved, the fine particle separation capacity is enhanced, and the blocking phenomenon is reduced, so that the operation stability of equipment is improved, the service life is prolonged, and the maintenance cost is reduced; and the recovery quality and efficiency of magnesium sulfite are improved.

The utility model discloses dust removal equipment for crushing bentonite, which comprises a dust removal cover, a flow guide pipe, a cyclone separator and a bag-type dust remover, and a dust outlet of the dust removal cover is connected with a tangential air inlet of the cyclone separator through the flow guide pipe; a top outlet of the cyclone separator is communicated with an air inlet of the bag-type dust collector through a pipeline; a conical dust collecting hopper at the bottom of the cyclone separator is connected with a dust collecting box through a dust discharging valve; a filter bag group is arranged in the bag-type dust collector, a pulse dust cleaning device is arranged at the top of the bag-type dust collector, and the outlet end of the bag-type dust collector is connected with an induced draft fan through an air pipe; through the combination of the cyclone separator and the bag-type dust collector, the cyclone separator is firstly used for pre-separation, most dust particles are separated out, and then the bag-type dust collector is used for further filtration, so that the overall dust collection efficiency is improved, the cyclone separator is used as a pre-separation device, large-particle dust can be removed in advance, and the dust collection efficiency is improved. The amount of dust entering the bag-type dust collector is reduced, and the loss speed of the filter bag is effectively reduced.

The present application relates to a kind of slurry purification method and device, belong to slurry purification technical field, by adding breaker and combining oxidation / acidolysis and thermochemical treatment, the stable structure of colloidal particle is destroyed, the microfine particle wrapped is released, further using helical path partition addition surfactant, ensure that reagent is evenly spread in combination with stirring, significantly reduce slurry apparent viscosity and improve fluidity.Afterwards, using the centrifugal-shear synergistic effect of high-speed centrifuge and hydrocyclone strengthens particle separation efficiency, shortens residence time and inhibits the risk of laminar flow blockage;While applying electric field drives charged particle to be enriched to electrode area.Finally, through the deep dehydration process of filter aid auxiliary, realize that slurry moisture content is greatly reduced, this integrated process not only reduces the hydrodynamic resistance and processing volume expansion, also significantly alleviates the laminar flow resistance, wear and frequent blockage problem of pipeline and equipment.

The utility model relates to the technical field of magnetic particle separation, in particular to a magnetic particle separation device which comprises a magnet container with a separation cavity; the first magnet group comprises a plurality of first magnets, the first magnets are arranged on the peripheral side of the separation cavity along the first circumference, and the first magnet group forms a first magnetic field in the whole separation cavity; the second magnet group comprises at least one second magnet, the second magnet is located at at least one end of the magnet container and arranged on the peripheral side of the separation cavity along a second circumference, and the diameter of the second circumference is smaller than that of the first circumference; wherein the magnetization direction of the second magnet group is opposite to the magnetization direction determined according to the magnetization direction rule of the first magnet group, and the second magnet group is used for correcting the first magnetic field at the end part of the separation cavity. The corrected first magnetic field has an annular magnetic field with a larger radius, and the magnetic particles are distributed more uniformly on the wall of the reagent bottle after being separated in the separation cavity.

The application relates to the technical field of solid waste treatment, and discloses a tunnel shield mud treatment system and a treatment method thereof. The system comprises a screening machine, a cyclone separator, a flocculation sedimentation tank, a high-pressure diaphragm filter, a clean water tank and a regenerated water device. The screening machine is used for multi-stage screening and is integrated with a self-adaptive adjusting device. The cyclone separator adopts a two-stage cyclone series structure for coarse and fine particle separation. The flocculation sedimentation tank is equipped with an online water quality analyzer and a reagent feeding device. The high-pressure diaphragm filter is configured with a concentration sensor and an automatic cake unloading device. The clean water tank comprises an ultrafiltration membrane assembly and an activated carbon adsorption tank. The regenerated water device comprises an ozone ultraviolet advanced oxidation system, an electrochemical desalination module and a sodium hypochlorite slow-release disinfection device. Through the technical scheme, the screening efficiency can be improved to more than 95%, the fine particle separation efficiency can reach more than 90%, the effluent suspended matter concentration can be stabilized below 25 mg / L, the moisture content of the mud cake can be reduced to below 14%, the clean water recycling rate can reach 98%, and the overall energy consumption of the system can be reduced by 40%.

This invention relates to the field of wastewater treatment equipment technology, and discloses a solid-liquid anaerobic treatment device for bio-fertilizer wastewater. The wastewater treatment tank has a conical water distributor at the bottom of its inner wall, a driving component above the conical water distributor, and a separation component at the upper end of the driving component. During operation, the conical frame, drain hole, and annular groove design achieve biogas bubble breakage and sludge particle separation. When the lifting ring descends, liquid is reversed and injected, clearing the drain hole and blowing off sludge particles, forming a self-cleaning cycle, improving solid-liquid separation efficiency, and preventing blockage. The self-driven lifting and separation structure utilizes the impact of the inlet water flow on the fan blades to drive the rotating rod and reciprocating screw, which in turn raises and lowers the connecting ring, hollow rod, and separation component without additional power. Ultimately, it achieves the coordinated operation of bubble breakage, sludge interception, and liquid return, optimizing the stability of anaerobic treatment.

This invention provides a magnetic particle separation device that, even with sample containers of the same size as conventional ones, can ensure that the amount of magnetic powder adsorbed in the liquid is approximately the same at both the ends and the center. The magnetic particle separation device comprises multiple sample containers containing a mixture of liquid and magnetic particles, a first magnet disposed relative to each of the multiple sample containers and capable of moving independently up and down relative to the sample containers, a magnetic container covering the first magnet, and a perforated plate having holes capable of holding the multiple sample containers; at least the side portion of the perforated plate near the sample containers is made of a soft magnetic material.