761results about "Electrostatic separation" patented technology

The invention discloses a method for staged purification of furnace sealing flue gas of a pre-pumping pump and collaborative removal of pollutants, relates to the field of metallurgical industry, and aims to solve the problems of poor adaptation of fixed parameters, complex multi-pollutant treatment system and high energy consumption cost in the prior art. Detecting parameters in real time and regulating and controlling the injection amount and turbulent flow velocity of the modified quicklime powder to finish pretreatment; then entering a primary purification tower, dynamically optimizing the spraying liquid-gas ratio and the electrostatic voltage, and removing SO2 and dust in a targeted manner; then, through a secondary reaction tower, the ozone generation amount and the modified activated carbon injection amount are accurately controlled, and NOx and VOCs are synergistically and deeply removed; and finally, detecting the pollutant concentration through a tail end refining device, and realizing closed-loop emission in combination with standard judgment and a reflux mechanism. Dynamic matching of process parameters and flue gas working conditions is achieved, multiple sets of independent equipment are not needed, it is guaranteed that emission stably reaches the standard, and economical efficiency and practicability are outstanding.

The invention relates to the technical field of dust removal, in particular to an intelligent dust removal device and method for premixed concrete production.The intelligent dust removal device comprises a dust removal tank and a conical filter cylinder arranged in the dust removal tank and used for removing dust, a plurality of filter bags are fixedly connected to the interior of the conical filter cylinder, and a waste gas inlet pipe allowing waste gas to be guided in is connected to one side of the dust removal tank; the dust removal device further comprises a lifting guide plate which is fixedly connected to the interior of the dust removal tank, located below the waste gas inlet pipe and used for receiving waste gas, a plurality of lifting assemblies used for spraying gas are arranged at the top of the lifting guide plate, and the lifting assemblies are used for exciting dust to move upwards to be filtered through the filter bags. A dust collection assembly for sharing the filter load of the filter bag is arranged in the dust supporting backflow plate; and the branch pipe is fixedly connected to the interior of the dust removal tank, one end of the branch pipe is connected with a pulse assembly capable of cleaning the filter bag, and a dust collection box matched with the pulse assembly and used for collecting dust is arranged below the conical filter cylinder.

The application discloses a process method for directly drying sludge by using hot flue gas of sludge incineration, and a process system used mainly comprises a sludge incinerator, a sludge dryer, a drying tower, a dust removal system, a flue gas condensing tower, a regenerative thermal incinerator 10, a wet deacidification tower, a cold flue reheater and a chimney. The sludge is dried by using the hot flue gas generated by the sludge incineration, the dried sludge is incinerated again, the flue gas waste heat is utilized and discharged, the synchronous disposal of the sludge drying and incineration is realized, the sludge dryer is a rotary gas flow bed dryer, the sludge does not need to be crushed, granulated, made into strips or atomized by a nozzle, and the types of equipment are simplified. By adopting partial flue gas backflow, the flue gas emission and waste heat loss are reduced; the sludge drying process is operated under high humidity airflow, the oxygen content is not increased in the drying process, and the possibility of sludge explosion in the drying process is reduced. The regenerative thermal incinerator is used for removing VOCs and CO, and the problem of flue gas exceeding the standard caused by the sludge drying is solved.

The invention relates to the related technical field of waste gas purification, and discloses a multistage industrial waste gas deep purification device which comprises a shell, an electric dust removal mechanism and a spraying mechanism, a shell is arranged in the shell, a plurality of pairs of partition plates are arranged on the two side walls in the shell at intervals, and a plurality of W-shaped adsorption plates are arranged between each pair of partition plates; a cleaning assembly is arranged between every two adjacent W-shaped adsorption plates; the cleaning piece swings to drive the brush block and the scraping piece to swing, so that impurities on the surface of the W-shaped adsorption plate are preliminarily cleaned by using the swinging brush block; and the impurities on the surface of the W-shaped adsorption plate are scraped by using a second extension part, a third extension part and a first extension part, so that the active adsorption effect of the W-shaped adsorption plate can be quickly recovered.

The utility model discloses a collaborative micro-nano bubble water device for mine wastewater utilization and dust fall, and belongs to the technical field of mine environmental protection equipment. The device comprises a gas cylinder and a water storage tank, the water storage tank is sequentially connected with a primary purification device, a secondary purification device and a micro-nano bubble generating device through pipelines, the gas cylinder is connected with the micro-nano bubble generating device through a gas conveying pipeline, and the micro-nano bubble generating device is connected with a micro-nano bubble water storage tank through a pipeline. The micro-nano bubble water storage tank is communicated with the clamping head plate through a conveying pipe provided with a high-pressure water pump, a nozzle mounting base is arranged at the bottom of the clamping head plate, and an atomizing nozzle used for generating water mist is arranged on the nozzle mounting base. According to the utility model, the wastewater treatment unit, the micro-nano bubble preparation unit, the spray dust fall unit and the ultrasonic synergistic unit are integrated into an integrated device, so that resource circulation and cooperative utilization are realized, meanwhile, a multi-nozzle layout capable of being quickly disassembled and assembled is arranged, and the coverage range is flexible and adjustable.

The present invention relates to the technical field of waste lubricating oil treatment, and discloses a non-distillation regeneration apparatus and system, the non-distillation regeneration apparatus comprises: a high pollution lubricating oil pretreatment unit for removing water and other large particle impurities in waste oil; the electro-adsorption unit is used for capturing pollutants such as polar oxides and colloids in oil by adopting a porous conductive framework under the action of a direct-current electric field; the molecular filtering unit is used for carrying out cross-flow filtering by utilizing a ceramic membrane assembly and removing macromolecular non-ideal components; the deep purification unit is filled with a composite adsorbent to further purify the base oil, and the final product quality is ensured. By means of the innovative electro-adsorption refining filter and the multi-stage collaborative purification process, efficient regeneration of the waste lubricating oil under the non-distillation condition is achieved, high-quality base oil can be stably produced, and the method has the remarkable advantages of being energy-saving, environmentally friendly and high in automation degree.

A magnetic sweeper is provided, wherein the magnetic sweeper includes: a main body; a magnetic mechanism including at least one connector, a magnet unit and a bar, the at least one connector being connected to the main body and movable in a pull direction, the magnet unit being disposed at a side of the at least one connector, the bar being swingably disposed at another side of the at least one connector, and the bar, the at least one connector and the magnet unit being movable with each other in the pull direction; and a handle swingably connected to the main body.

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 relates to the technical field of air pollution control, in particular to an air pollution denitration and desulfurization tail gas purification method which comprises the following steps: rotational flow spray desulfurization (adopting nanoscale composite absorbent slurry to efficiently absorb SO2 and remove particulate matters in a rotational flow reactor), two-stage catalytic denitration (using a nano-catalyst to promote NOx reduction in a low-temperature region, and using a high-temperature catalyst to remove the particulate matters in a low-temperature region). In the high-temperature area, a vanadium-tungsten-titanium-based catalyst is loaded through a novel honeycomb ceramic carrier to strengthen the reaction), deep collaborative purification is carried out (residual pollutants and aerosol are further removed by utilizing electrostatic precipitation and oxidative adsorption coupling), and an intelligent regulation and control system is used for optimizing the ratio of an absorbent, the temperature of the catalyst and flow velocity parameters in real time. According to the method, the problems of catalyst poisoning, high energy consumption and insufficient treatment efficiency in a traditional process are solved through a nano material modified absorbent, a temperature gradient catalytic reaction and a multi-pollutant synergistic removal mechanism. The desulfurization efficiency of the system is greater than or equal to 98%, the denitration efficiency is greater than or equal to 97%, the particulate matter emission is less than or equal to 10mg / m < 3 >, the SO2 is less than or equal to 35mg / m < 3 >, and the NOx is less than or equal to 50mg / m < 3 >

In order to obtain an electret melt blown nonwoven fabric having flexibility and high tensile elongation without performing a special post-processing treatment or using a special additive, the electret melt blown nonwoven fabric comprising polyolefin-based resin fibers is provided, the electret melt blown nonwoven fabric having a crystallization temperature of 80° C. or higher and 130° C. or lower and a heat quantity ΔHm of 3.0 J / g or higher and 20.0 J / g or lower at the time of the first temperature rise in the cycle of DSC.

The utility model particularly relates to air filter cotton with an organic steam peculiar smell filtering function. The air filtering cotton comprises an outer layer, a pre-filtering layer, a reinforced filtering layer and an inner layer which are pressed together, the outer layer, the pre-filtering layer, the reinforced filtering layer and the inner layer are pressed together through bonding, the pre-filtering layer is in a wave shape, cavities are formed between the pre-filtering layer and the outer layer and between the pre-filtering layer and the inner layer, and the cavities are filled with activated carbon fibers; the activated carbon fibers are located in the cavities, the contact area is increased, and the adsorption effect is improved.

The utility model belongs to the field of separation devices, and particularly relates to a high-voltage electrostatic separation device which comprises a box body, a supporting rod is fixedly connected to the bottom of the box body, an anti-skid pad is fixedly connected to the bottom of the supporting rod, the anti-skid pad is made of rubber, a feeding port is fixedly connected to the top of the box body, and a discharging port is fixedly connected to the bottom of the box body. And a plurality of guide grooves are fixedly connected to the interior of the box body. According to the material distributing device, through the design of the material distributing plates, the material distributing plates can separate the storage space of the materials in the barrel body, the rotating shaft and the material distributing plates can be driven to rotate under the action of the rotating motor, and when the two material distributing plates with the materials are overturned to the lower portion of the barrel body, the materials are separated from the material distributing plates. And internal materials can be automatically input into the feeding port through the discharging port so that the materials in the device can be added, the discharging speed can be controlled by controlling work of the rotating motor, and the situation that the separation effect is affected due to the fact that the amount of the materials added at a time is too large can be avoided.

The application relates to the technical field of gas emission, and particularly discloses a gas emission treatment device for hydrochloric acid regeneration acid mist, which comprises a Venturi tube and a demisting pipe, the Venturi tube comprises an air inlet pipe, a throat pipe and an air outlet pipe, a flow uniformizing assembly is arranged on the inner wall of the throat pipe, a plurality of adjusting columns are arranged in the throat pipe, an adjusting mechanism is further arranged on the throat pipe, and a liquid outlet assembly is arranged on the adjusting column; the flow uniformizing assembly can uniformly flow the gas, the gas flow is fully mixed and uniformly enters the throat pipe, the adjusting mechanism can adjust the plurality of adjusting columns, the cross-sectional area of the gas passage is changed, when the input flow of the gas changes, the change of the cross-sectional area of the gas passage can adjust the flow rate of the gas in the gas passage, so that the optimal gas flow rate collides with the absorption liquid for mixing, the liquid outlet assembly on the adjusting column can further make the absorption liquid and the gas fully contact, so that the removal effect of the particulate matters in the gas is improved.

A solid-core ring-magnet having one or more cavities is provided. The magnet can have an overall cylindrical shape or a rectangular-prism shape. In either case, a portion of cavity walls of the magnet are ring shaped, causing the magnetic field lines to emanate from the magnet so that the bead formation is in the shape of a ring. A bead separation magnet having a discontinuous or segmented cavity wall is also provided. The segmented cavity wall causes bead formation to form in a segmented or gapped ring to allow for easier manual pipetting. Also provided are systems and kits having the inventive magnets. Methods of purifying a macromolecule using the inventive magnets are also provided.

A filtration separator for magnetic particles includes a storage tank that stores a liquid in which magnetic particles are dispersed, and that has a bottom portion and a side wall portion, a stirring mechanism having a rotating shaft portion inserted into the storage tank in a direction crossing a face of the bottom portion, and a stirring impeller that is coupled to the rotating shaft portion and that stirs the liquid by rotation of the rotating shaft portion, a magnet mechanism that is provided in at least a part of the side wall portion, and that can switch a magnetic force in the storage tank between an on state and an off state, and that adsorb the magnetic particles in the liquid to the side wall portion when it is in the on state, and a filtration mechanism having a filter provided in the bottom portion of the storage tank, and a discharge port from which the liquid after passing through the filter is discharged.

A disk-pack turbine includes two disks each having a waveform surface and a second surface, the waveform surfaces face each other and have an axially centered waveform pattern, at least one disk includes an axially centered opening passing from the second surface to the waveform surface, the disks define an expansion chamber including the at least one opening and a disk chamber between the disks from the expansion chamber to a periphery of the disks. The waveform pattern includes at least one waveform that has an amplitude that varies in a radial direction and the waveform pattern maintains or increases the number of peaks for each level of waveforms progressing out from the inner most waveform about the axial center to the periphery where the increase is by a multiplier of 2 to 8. The second surfaces have a slight parabolic shape or are flat.

A method for operating and diagnosing faults in a laboratory instrument comprising a plurality of subsystems can include conducting an analysis sequence and a set of diagnostic steps. Such a method can be conducted using diagnostic reagents that contain paramagnetic particles but lack an antibody component. Such a method can also include evaluating a set of instrument subsystems in an order that is opposite to the order in which the subsystems are used during an analysis.

The utility model discloses a friction type electrostatic impurity removing machine relates to the technical field of impurity removing machine equipment, including frame, shaking bed and drum, the inside of frame is provided with vibration motor, the below of gyro wheel frame is installed with support plate, the inner wall of drum and support plate is rotatoryly connected, the inner wall of hanger is connected with the guide plate, the one side of felt is contacted with the outer surface of drum, and horizontal ash chute is located below hanger, the outside of shaking bed is installed with longitudinal ash chute, and longitudinal ash chute is located below horizontal ash chute, the utility model discloses the design structure is reasonable, it can pass through the cooperation between felt, guide plate, horizontal ash chute and longitudinal ash chute, and the impurity that falls is collected through horizontal ash chute and longitudinal ash chute, and the collected impurity is discharged friction type electrostatic impurity removing machine, can prevent the impurity and fall in friction type electrostatic impurity removing machine inside, has improved the inside impurity cleaning function of tea.

The utility model belongs to the technical field of preparation equipment, and particularly relates to a blanking device for a high-voltage electric separator, which comprises a blanking hopper arranged at the bottom of the electric separator and a material receiving disc communicated with a discharge port of the blanking hopper, the blanking hopper and the material receiving disc are both of hollow structures, and the material receiving disc is detachably connected with the blanking hopper through a supporting assembly. A discharging port of the discharging hopper is fixedly connected with a first limiting plate, the supporting assembly is connected with the first limiting plate in a clamped mode, the supporting assembly comprises a hoop set and an inclined strut, the hoop set is provided with a plurality of sets of inserting blocks in a circumferential array mode, the inserting blocks are provided with inserting grooves, and the inclined strut is detachably connected with the inserting blocks through the inserting grooves. The limiting device is used for limiting the material receiving disc, and external factors are prevented from interfering with discharging and receiving of the electric separation equipment.

The invention discloses a blow-in flue gas treatment method for a zinc smelting roasting furnace, and belongs to the technical field of zinc smelting flue gas treatment. Comprising the steps that smoke gate valves are additionally arranged at smoke outlets of the waste heat boiler; a blow-in flue and a gate valve are additionally arranged at a smoke outlet of the waste heat boiler; a frequency conversion centrifugal fan is newly arranged at the tail of the flue; a set of venturi tower is newly built on the side edge of the blow-in fan, and a spraying device is additionally arranged on the venturi tower. By additionally arranging the blow-in flue gas collecting system, flue gas generated in the blow-in stage is intensively captured and then subjected to gas-liquid two-phase turbulence washing through the efficient Venturi tower, and smoke dust pre-removal and temperature regulation and control are achieved; afterwards, the washed flue gas is introduced into an original tail gas desulfurization tower, sulfur dioxide and trace heavy metal pollutants are removed in a graded mode through the synergistic effect of a sodium hydroxide solution and zinc oxide, and finally flue gas purification and up-to-standard emission are achieved. According to the scheme, through coupling of a new system and an old system, original desulfurization facilities are reused, the investment cost is reduced, and the consistency of the blow-in stage and the normal production emission standard is ensured.

The utility model discloses an oil fume suction system for wet-process battery diaphragm production, which is mainly used for effectively recovering and treating oil fume generated in the wet-process battery diaphragm production process. The system comprises an oil smoke cover, an electrostatic oil removal cooler, an electrostatic oil removal filter, a smoke exhaust fan, a smoke exhaust chimney and the like. The oil fume cover is located at an oil fume generation source and used for capturing and guiding oil fume, the electrostatic oil removal cooler cools the oil fume to liquefy the oil fume, and the electrostatic oil removal filter removes oil drops according to the electrostatic adsorption principle, so that it is ensured that discharged air reaches the environmental protection standard. And the smoke exhaust fan and the smoke exhaust chimney act together to ensure that the treated air is discharged smoothly and meets the environmental protection requirement. The design of the system aims at reducing air pollution of a workshop and improving the cleanliness of a production environment by efficiently recovering oil smoke. The oil fume treatment device has good environmental protection property and high efficiency, can effectively improve the air quality of a workshop, and ensures effective treatment of oil fume in the production process.

Provided herein are systems and methods for isolating, extracting or separating at least one target or component from a sample or a fluid comprising a sample. In some aspects, provided herein are systems and methods for isolating at least one target or component from a sample or a fluid comprising a sample by diffusion of particles from the sample or fluid comprising a sample to a destination fluid. In some aspects, provided herein are systems and methods for isolating at least one target from a fluid sample by drawing a particle (e.g. a target, a contaminant) bound to a magnetic particle (e.g.) a paramagnetic particle) into a destination fluid through application of a magnetic force. In some aspects, provided herein are systems and methods where a target or sample component or a complex comprising a magnetic particle and a target or sample component is transferred to another or different device or reagent mixture or reagent for further processing and / or analysis, identification or quantification.

To provide a high-voltage substrate processing device that minimizes the possibility of contamination of a substrate by foreign particles generated during a chamber fastening process.SOLUTION: A high-voltage substrate processing device includes an internal chamber 110 formed to accommodate a substrate W to be processed and a processing gas supplied at a first pressure higher than atmospheric pressure, an external housing 121 accommodating the internal chamber, and an external door 125 formed to be movable between a closed state in which the external housing is closed and an open state in which the external housing is opened, and further includes an external chamber 120 formed to accommodate a protective gas supplied at a second pressure set relative to the first pressure, a fastening module 150 formed to fasten the external housing and the external door in the closed state, and a collection module 170 located adjacent to the contact portion for fastening between the external housing and the external door and formed to collect foreign matter.SELECTED DRAWING: Figure 2

The utility model relates to a dust remover for mechanical equipment, which comprises a separator cylinder, the bottom end of the separator cylinder is fixedly connected with a conical cylinder, the top end of the separator cylinder is fixedly connected with an upper cover, the outer end of the separator cylinder is fixedly connected with a square air inlet, and the square air inlet and the separator cylinder are tangentially arranged. The inner wall of the square air inlet is fixedly connected with a positive plate and a negative plate which are oppositely arranged, the inner wall of the separator cylinder is fixedly connected with a spiral guide plate, the inner end of the upper cover is fixedly connected with a cathode wall, the top end of the cathode wall is fixedly connected with a supporting rod, and the bottom end of the supporting rod is fixedly connected with an anode bar. The inner wall of the cathode wall is fixedly connected with a vibration ash removal assembly, the top end of the cathode wall is fixedly connected with a primary separation outlet pipe, through multiple effects of pre-charging, spiral flow guide, electrostatic adsorption and Venturi circulation, the dust removal efficiency is improved, the particle size treatment range is expanded, through the automatic ash removal function of the vibration ash removal assembly, dust accumulation is prevented, and the dust removal efficiency is improved. And the maintenance cost is reduced.

The utility model discloses a maintenance-free filtering type oil smoke purification device which comprises a box body, and a filtering and purifying mechanism is arranged in the box body. The filtering and purifying mechanism comprises an exhaust fume collecting hood, a first flow guide pipeline, a first flow guide elbow, a second flow guide pipeline, a second flow guide elbow, a third flow guide pipeline, a third flow guide pipeline, a liquid outlet pipe, an electromagnetic valve, a sewage storage tank, a drainage baffle, a laser liquid level sensor, a drainage pipe, a drainage valve, a liquid inlet pipe, a water pump, a cleaning liquid storage tank, a water supply pipe and a top cover; the sprayer is fixedly installed on the outer surface of the upper end of the liquid inlet pipe, and the sprayer is located over the oil fume filter screen. According to the oil fume purification device, the filtering and purifying mechanism is arranged, so that oil stains can be washed after the device purifies oil fume, manual cleaning and maintenance are not needed, the labor cost is reduced, and the practicability of the device is enhanced.

The application disclose an internal and external magnetic separation mechanism, including magnetic separation outer cylinder, external magnetic suction component, magnetic separation inner cylinder, inner magnetic suction component, the external magnetic suction component is arranged under the magnetic separation cylinder, and the magnetic separation outer cylinder can rotate relative to the external magnetic suction component; One end of the magnetic separation inner cylinder can rotate into the magnetic separation outer cylinder, the inner magnetic suction component is arranged between the magnetic separation outer cylinder and the magnetic separation inner cylinder and is located below the magnetic separation inner cylinder, the ore will first enter the magnetic separation inner cylinder for the first magnetic separation, and then flow to the magnetic separation outer cylinder, for the second magnetic separation. Extend the ore in the internal path of the magnetic separation mechanism and residence time, so that the ore has gone through two magnetic separation, effectively improve the effect of magnetic separation.

Systems and methods for separating water from an oil and water mixture are provided. A free water knockout vessel includes a mechanical separation section, an electrostatic coalescence section, and a gravitational separation section. A process for separating water from an oil and water mixture includes mechanical separation of the “free” water, electrostatic coalescence of emulsified water via one or more electrode assemblies, and separation of the coalesced water.

The invention relates to the technical field of waste gas treatment equipment, in particular to a novel rotary kiln combined type dust removal system multi-pollutant stepped removal device which comprises a pretreatment unit, a dust removal and denitration integrated unit, a desulfurization and heavy metal removal unit, a deep purification unit, a gas path pipeline and a control system. A gas outlet of the pretreatment unit is communicated with a gas inlet of the dust removal and denitration integrated unit through a gas path pipeline, and a gas outlet of the dust removal and denitration integrated unit is communicated with a gas inlet of the desulfurization and heavy metal removal unit; through the cascade combination design of the pretreatment unit, the dust removal and denitration integrated unit, the desulfurization and heavy metal removal unit and the deep purification unit, graded capture and collaborative removal of pollutants are achieved, the pretreatment unit reduces the flue gas dust load and temperature, the dust removal and denitration integrated unit synchronously completes fine particle filtration and denitration, and the dust removal and heavy metal removal efficiency is improved. The desulfurization and heavy metal removal unit realizes synergistic removal of acid gas and heavy metal, and the deep purification unit ensures that tail gas reaches the standard and is discharged.

It is provided that an electret having excellent filtering performance and a filter using the electret even in a case where polyolefin resin and magnesium element are contained. An electret comprising a polyolefin resin and a nitrogen-containing compound, wherein 0.1 to 5 parts by mass of the nitrogen-containing compound is contained to 100 parts by mass of the polyolefin resin, a proportion of a magnesium element contained in the electret is 5 to 100 ppm, and a QF value represented by the following formula is not less than 1.00 mmAq−1 when particles having particle diameters of 0.3 to 0.5 μm are to be collected.QF [mmAq−1]=−[ln(particle penetration(%) / 100)] / [ventilation resistance (mmAq)]