874results about "Centrifugal force sediment separation" patented technology

A coulter assembly for collecting soil samples from an agricultural field in one embodiment comprises an annular collection blade configured for penetrating soil to capture a sample, an annular cam ring configured for stationary mounting to a frame of an agricultural vehicle and comprising a cam track, a blade hub coupled to the blade for rotatably supporting the annular collection blade from the annular cam ring, and a movable sample collector mounted to the annular collection blade. The moveable sample collector is configured and operable for extracting a soil sample as the annular collection blade is rotated through the soil. The moveable sample collector in one embodiment comprises a piston mechanism including a cylinder and rod movably disposed therein which actuated by the annular cam ring to alternatingly open and close a collection end of the cylinder as the annular collection blade rotates through the soil.

A ternary deep eutectic solvent (TDES) system for a biomolecule (for example, chitin) recovery from a biomass (for example, seafood waste), and the method of preparation of ternary deep eutectic solvent (TDES) system, and a process to differentiate / extract / recover biomolecules (such as chitin) from a biomass (such as seafood waste).

An apparatus comprises one or more solids separators to be positioned downhole in a well formed in a subsurface formation, wherein each of the one or more solids separators are configured to receive a fluid from the subsurface formation and separate out sediment from the fluid, wherein the sediment is transported after separation to a destination location.

The invention in at least one embodiment includes a system for treating water having an intake module, a vortex module, a disk-pack module, and a motor module. In at least one embodiment, a water system includes vortex housing having an interior wall defining a vortex chamber in fluid communication with the expansion chamber of the disk-pack turbine and inlets into the vortex chamber, and the vortex chamber having an upper section with a bowl or modified concave hyperbolic shape into which fluid is received from the inlets and a lower section with a conical or funnel shape with a steep vertical angle of change that opens into expansion chamber. In at least one further embodiment, the disk-pack module includes a disk-pack turbine having a plurality of disks having at least one waveform present on at least one of the disks.

Disclosed herein are methods and compositions for identifying and / or treating subjects having or likely to have amyotrophic lateral sclerosis (ALS) or frontotemporal dementia (FTD). Antibodies specific for one or more di-amino acid repeat-containing proteins are also provided herein.

The present disclosure relates to the technical field of water body cleaning, and provides a swimming pool cleaning apparatus. At least one water inlet is provided on a machine body thereof, and the water inlet is in fluid communication with a filtering mechanism; a fluid pumping mechanism provides a suction force that allows a water flow to pass through the filtering mechanism after entering from the water inlet and then flow out of the machine body from a water spraying mechanism; the water inlet comprises a first water inlet and a second water inlet which are provided at the bottom and a side face of the machine body; when the apparatus is in a first cleaning state, the water flow is sucked from the first water inlet to the filtering mechanism; and when the apparatus is in a second cleaning state, the water flow is sucked from the second water inlet to the filtering mechanism and is sprayed out from the water spraying mechanism in a first direction and a second direction after passing through the filtering mechanism, the first direction and the second direction being respectively at an angle to and approximately parallel to the direction of travel of the swimming pool cleaning apparatus. The present disclosure pumps the water flow through the water inlets at different positions to perform filtration and discharges same, so as to generate an auxiliary force for the apparatus to clean at different positions, thereby not only optimizing a waterway structure of the apparatus, but also improving the movement performance of the apparatus.

A well system comprising: a sediment separator to be positioned downhole in a well, wherein the sediment separator is configured to receive a formation fluid from a subsurface formation surrounding the well, the sediment separator configured to separate out sediment from the formation fluid, wherein the sediment is disposed or stored at surface of the well or a different downhole location in the well; and a fluid separator to be positioned downhole in the well, the fluid separator configured to receive the formation fluid from the sediment separator, wherein the fluid separator is configured to separate the formation fluid into production fluid and nonproduction fluid.

The invention discloses a slag-containing feed liquid clarification device and a slag-containing feed liquid treatment system, a driving unit of the device is located above a cover plate, a centrifugal unit is located below the cover plate, and the driving unit is connected with the centrifugal unit through a transmission shaft unit and used for driving the centrifugal unit to rotate. A cavity is formed in the centrifugal unit, an outflow opening is formed in the lower end of the cavity, the feeding unit is located below the cover plate and communicates with the cavity of the centrifugal unit, the feeding unit is used for conveying slag-containing feed liquid into the cavity of the centrifugal unit, and when the centrifugal unit rotates, clear liquid and slag can be separated, the slag is attached to the side wall of the cavity, and the centrifugal unit is arranged in the cavity of the centrifugal unit. And clear liquid is discharged from an outflow port at the lower end. The device can be used for clarifying radioactive slag-containing feed liquid.

The invention belongs to the technical field of oil exploitation, and particularly relates to an oil exploitation device with a gravel filtering function. The oil exploitation device comprises a collecting frame, the inner bottom wall of the collecting frame is fixedly connected with a filtering cylinder through a supporting rod, the upper end of the filtering cylinder is fixedly communicated with two oil conveying pipes, and the two oil conveying pipes are both in butt joint with an oil pipeline; and the centrifugal separation mechanism is used for achieving separation of petroleum and gravel through the effect of centrifugal force, the centrifugal separation mechanism comprises filtering holes formed in the peripheral side wall of the filtering cylinder, and a rotational flow block is rotationally installed in the filtering cylinder. Through the arrangement of the centrifugal separation mechanism and the design that the upper portion of a rotational flow block is inclined and contracts inwards, mixed fluid is guided to form spirally-descending rotational flow, and petroleum is rapidly separated through filtering holes through centrifugal force; and by arranging the gravel conveying mechanism, a separation-conveying continuous operation chain is formed, and the blocking risk caused by gravel accumulation is thoroughly eliminated.

The present invention relates to the field of wastewater treatment technology, and more particularly to a process and apparatus for separating and recovering chromium and lead ions from wastewater. The apparatus comprises a flotation sedimentation tank equipped with an inlet pipe and a drain pipe, a feeding mechanism, and a dispersion mechanism. The flotation sedimentation tank is used to receive the wastewater to be treated. The feeding mechanism is disposed within the flotation sedimentation tank and is used to inject a reactant, a collector, and aeration gas into the flotation sedimentation tank. The dispersion mechanism is connected to the feeding mechanism and is used to disperse the reactant, collector, and aeration gas within the flotation sedimentation tank so that they come into full contact with the wastewater. The process comprises: introducing a reactant into the wastewater to cause the chromium ions and lead ions to react, respectively, to produce a chromium precipitate and a lead precipitate; introducing a collector into the wastewater to cause the lead precipitate to combine with the collector to impart hydrophobicity; aerating the wastewater to cause the lead precipitate to form froth; and separating and recovering the froth from the chromium precipitate. The present invention can achieve simultaneous separation and recovery of chromium and lead ions from wastewater, achieving high separation and recovery rates.

The invention discloses a stirring and separating device for aerogel preparation, and relates to the technical field of aerogel preparation, the stirring and separating device comprises a stirring tank, a centrifugal assembly and a stirring assembly, the stirring tank is internally provided with the centrifugal assembly, and the bottom end of the centrifugal assembly is fixedly connected with the stirring assembly; the stirring assembly comprises a stirring assembly arranged in the stirring tank, and a driving assembly is arranged at the top end of the stirring assembly; the centrifugal assembly comprises a separation assembly, and an adjusting assembly is arranged on the side face of the separation assembly. According to the aerogel preparation device, uniform stirring and impurity cleaning in the aerogel preparation process can be achieved, and the aerogel production efficiency is reduced.

An apparatus for separating cell suspension material into centrate and concentrate, includes a single use structure (178, 240, 250, 370, 414) releasably positioned in a cavity in a solid wall rotatable centrifuge bowl (172). The bowl and portions of single use structure rotate about an axis (174, 428). A stationary inlet feed tube (184, 430), a centrate discharge tube (212, 436) and a concentrate discharge tube (230,448) extend along the axis of the rotating single use structure. A centrate centripetal pump (208, 438) is in fluid connection with the centrate discharge tube. A concentrate centripetal pump (216, 450) is in fluid connection with the concentrate discharge tube. At least one concentrate channel (380, 454) and a concentrate centripetal pump chamber (376,452) have configurations in the structure that facilitate the flow of cell concentrate.

The present invention provides a PFA material purification device, and belongs to the field of material purification, the PFA material purification device comprises: a base provided with a housing; a purification mixing assembly; the purifying and mixing assembly is mounted on the base and the shell; the purifying and mixing assembly rotates forwards, so that materials can be stirred in an up-down floating manner and can circularly flow; the shielding assembly is mounted on the shell; the shielding assembly can shield the purification mixing assembly rotating forwards, and the purification mixing assembly conducts centrifugal treatment on materials when rotating backwards. According to the PFA material purification equipment, the purification efficiency is remarkably improved, the functions of dissolution, precipitation, centrifugation and collection are integrated through integrated design, repeated transfer of precipitates is avoided, operation is simplified, vertical floating stirring and uniform mixing of materials are achieved through the purification mixing assembly, automatic treatment is achieved through the shielding and discharging assembly, manual intervention is reduced, and the production efficiency is improved. And by utilizing the Bernoulli principle, the copolymer can be discharged, the centrifugal net cylinder can be effectively cleaned, and residues are avoided.

The invention relates to the technical field of wastewater treatment, in particular to a process and device for separating and recycling chromium and lead ions in wastewater, the device comprises a flotation sedimentation tank provided with a water inlet pipe and a water outlet pipe, a feeding mechanism and a dispersing mechanism, the flotation sedimentation tank is used for containing wastewater to be treated, and the feeding mechanism is arranged in the flotation sedimentation tank; the feeding mechanism is connected with the flotation sedimentation tank and used for injecting reactants, collecting agents and aeration gas into the flotation sedimentation tank, and the dispersing mechanism is connected with the feeding mechanism and used for dispersing the reactants, the collecting agents and the aeration gas into the flotation sedimentation tank to make full contact with wastewater. The process comprises the following steps: introducing a reactant into the wastewater, so that chromium ions and lead ions respectively react to generate a chromium precipitate and a lead precipitate; a collecting agent is introduced into the wastewater, so that the lead precipitate is combined with the collecting agent to obtain hydrophobicity; aerating the wastewater to enable the lead precipitate to form floating foam; and separating and recovering the floating foam and the chromium precipitate. The method can realize synchronous separation and recovery of chromium and lead ions in wastewater, and is high in separation rate and recovery rate.

The invention provides a rotational speed control method and system for a rotational flow grit chamber. The method comprises the following steps: collecting the water inlet flow, the water inlet suspended matter concentration, the water outlet flow and the water outlet suspended matter concentration of the rotational flow grit chamber in real time; according to the water inlet flow and the water inlet suspended matter concentration, the initial rotating speed of the cyclone sand setting device is calculated through a rotating speed formula; according to the outlet water flow, the outlet water suspended matter concentration and the preset outlet water standard required suspended matter concentration of the rotational flow grit chamber, calculating a rotating speed adjustment value of the rotational flow grit chamber by using an adjustment formula, and calculating by using the initial rotating speed and the rotating speed adjustment value to obtain a target rotating speed of the rotational flow grit chamber; according to the target rotating speed, the first running frequency of the rotational flow sand setting device is calculated through a first running formula, the rotational flow sand setting device is controlled to run based on the first running frequency, certain energy consumption waste is reduced, and the sand setting effect is improved.

This disclosure describes methods to separate solids from liquids in a production facility. A process separates components in the process stream by applying non-condensable media to create density differences and then using a mechanical device to separate the solids from the liquids based on the density difference. The process produces the liquids and solids, which may be further processed to create valuable animal feed products.

Systems and methods involving filtration are disclosed. A filtration device includes a first opening, a second opening, and a vortical filter, the vortical filter comprising a rib. The rib may be configured to generate vortices to keep the filtered particles in suspension and to provide a flow path extending from the first opening to the second opening. The filtration device may filter particle from the fluid by cross-flow filtration along the flow path across a filter media surrounding at least a portion of the circumference of the vortical filter. The filtration device may be effective at filters greater than 90% of microplastics mass when post-filtered to 10 microns when measured using the method of either of Example 1 or Example 2. The filtration device may be effective at filtering particles from the fluid at high flow speeds, such as flow speeds greater than 50 cm / sec or greater than 100 cm / sec.

The invention relates to the technical field of waste water circulation, in particular to a centrifugal waste water recycling device based on aluminum fluoride production, which comprises a shell, an impeller I and a screen drum, the impeller I is fixedly mounted in the screen drum, the screen drum is rotatably mounted in the shell, and a separation assembly is movably mounted in the shell. And the separation assembly comprises a discharging barrel and a rotating rod, the discharging barrel penetrates through the side wall of the shell and is fixedly connected with the shell, and a discharging conical barrel is fixedly installed below the screen drum. Precipitated particles are driven by a spiral plate to move towards a discharging opening, waste water is further screened, in the process that the particles are conveyed by the spiral plate, the particles are collected through a groove, the particles are prevented from being washed away by waste water, the groove abuts against a conical head, and a vibration rod drives a second scraping block and a first scraping block to knock and clean the inner wall of a discharging conical barrel. The particles are prevented from being attached to the interior of the discharging conical barrel, the screen barrel is cleaned through the spraying pipe from outside to inside, and screen holes of the screen barrel are prevented from being damaged.

A stirring system for a lithium iron phosphate slurry, comprising: a first dispersing system formed by a first feeding mechanism (190), a second feeding mechanism (180), a first stirring tank (110), a homogenizing pump (130), and a first demagnetizing machine (120), and a second dispersing system formed by a second stirring tank (140), a driving pump (150), a second demagnetizing machine (160), a heat exchanger (170), and a grinding device (200). Material taking openings (201) located at different heights are formed in the second stirring tank (140); a material taking device takes materials from the material taking openings (201) and feeds the materials into particle size measurement devices for measurement, so as to measure the particle sizes of the materials at different heights; then, the particle size measurement devices send the measurement results to a remote controller (202); and the remote controller (202) calculates the variance of each measurement result, and controls the second stirring tank (140) to stop stirring when the variance is less than a preset threshold. Thus, the problem of energy waste caused by setting a fixed stirring time can be avoided.

The present disclosure provides, in part, a system for rejuvenating a cell culture medium. Also provided is a method for rejuvenating a cell culture medium. Such system and method can be used to produce culture meat.

A filtration unit (100) configured to remove microparticles from a water stream from at least one washing machine (WM) is provided. The filtration unit comprises an inlet (110) configured to deliver a water stream (WS) from at least one washing machine (WM), a water reservoir (120) configured to receive the water stream (WS) from the inlet (110), a separator module (130) fluidly connected to the water reservoir (120), wherein the separator module (130) is configured to separate microparticles (MP) from the water stream (WS) creating a filtered water stream (FWS), and an outlet (150) configured to allow the filtered water stream (FWS) to leave the filtration unit (100). A method for removing microparticles from a water stream is also provided.

The invention relates to the technical field of rotational flow desilting devices, and particularly discloses a rotational flow desilting device for hydraulic engineering, which comprises a rotational flow desilting cylinder, a rotational flow assembly, a sand-water separation assembly, a conveying assembly and a control management unit, a discharging pipe is fixedly connected to the bottom of the rotational flow desilting cylinder, a control valve is fixedly connected to the interior of the discharging pipe, an electric valve is fixedly connected to the interior of the water inlet pipe, and the control management unit is used for monitoring and analyzing the running state of the rotational flow desilting cylinder in real time. According to the invention, through the arrangement of the control management unit, the traditional extensive mode depending on artificial experience judgment can be changed, so that the equipment operation information can be obtained more comprehensively, timely and accurately. Based on the data, different working conditions can be accurately identified, a basis is provided for parameter optimization, and the problem that traditional fixed parameter control cannot adapt to sewage characteristic changes is solved.

The present invention relates to the technical field of separators, and provides a high-precision fine-grained mud-sand separator, comprising: a flow stabilizer, a separation box and a sand lifting assembly, wherein the side wall of the flow stabilizer is provided with a flow stabilizer tangential inlet, and the flow stabilizer tangential inlet is used to input a sand-water mixture into the flow stabilizer; the bottom of the flow stabilizer is provided with a flow stabilizer bottom flow outlet; the flow stabilizer is used to concentrate the sand-water mixture; the separation box is provided with a separation box tangential inlet, which is connected to the flow stabilizer bottom flow outlet, and is used to input the concentrated sand-water mixture into the separation box; the bottom of the separation box is provided with a sedimentation mud-sand outlet; the sand lifting assembly is obliquely arranged at the bottom of the separation box, and the sand lifting assembly is provided with a sand lifting channel, the bottom of the sand lifting channel is provided with an inlet, and the top lower surface of the sand lifting channel is provided with a sand outlet. The embodiment of the present invention reduces the hydraulic load of the separation box by adding a flow stabilizer; by arranging the separation box tangential inlet on the separation box, the length of the particle running track in the separation box is increased, the sedimentation time is extended, and short flow or turbulence is avoided.

The invention belongs to the field of flotation tailings, and relates to a flotation tailing resource utilization process which comprises the following steps: collecting tailings; part of tailings enter the hydrocyclone, the hydrocyclone is subjected to pre-classification, and the hydrocyclone outputs settled sand and overflow; the remaining tailings and settled sand output by the hydrocyclone enter a thickener together, and the output of the thickener is underflow and overflow clear water; wherein the overflow output by the hydrocyclone is subjected to concentration and filter pressing to prepare a building material; the underflow output by the thickener is mixed with the cementing material to form slurry with the concentration of 68%, and the slurry is conveyed to a goaf through a pump and a pipeline for filling. Tailing resources are fully utilized, and meanwhile the cementing cost is reduced.

This invention discloses an air-lift cyclone sand separator, comprising a sedimentation tank and an air-lift device. The sedimentation tank has a sand-collecting hopper at its lower end, and a hollow shaft extending vertically is placed inside the sedimentation tank. A paddle is fixed to the lower end of the hollow shaft at the upper opening of the sand-collecting hopper. A driving device is fixed to the upper end of the sedimentation tank and connected to the upper end of the hollow shaft. The air-lift device includes an air-lift tank, an air-lift pipe, an air-purge pipe, and a sand-discharge pipe. The air-lift tank is housed within and communicates with the sand-collecting hopper. The air-lift pipe passes through the hollow shaft and communicates with the air-lift tank. The air-purge pipe passes through the hollow shaft and communicates with the sand-collecting hopper. The sand-discharge pipe passes through the hollow shaft and communicates with the air-lift tank. The paddle accelerates the rotation speed of the water flow in the sedimentation tank, allowing the sand to settle better. The settled sand is concentrated in the sand-discharge hopper. The air-lift pipe drives the water flow through the air-lift tank and into the sand-discharge pipe. The air-purge pipe disperses the sand in the sand-collecting hopper, allowing the dispersed sand to enter the sand-discharge pipe with the water flow, resulting in good sand removal efficiency.

This disclosure describes methods to separate solids from liquids in a production facility. A process separates components in the process stream by applying non-condensable media to create density differences and then using a mechanical device to separate the solids from the liquids based on the density difference. The process produces the liquids and solids, which may be further processed to create valuable animal feed products.

The utility model discloses a liquid-phase synthesis system of lithium sulfide. Comprising a first lithium sulfate dissolving device, a first barium sulfide dissolving device, a chemical combination reaction device, a first separation device and a second separation device, the liquid phase after-treatment unit is used for concentrating, purifying and drying the liquid phase to obtain lithium sulfide, and the solid phase after-treatment unit is used for washing and drying the solid phase to obtain barium sulfate; the first lithium sulfate dissolving device and the first barium sulfide dissolving device are both connected with a raw material inlet of the combination reaction device; and a reaction product outlet of the combination reaction device is connected with the first separation device. The liquid-phase synthesis system of the lithium sulfide has the advantages that products are easy to separate, the purity of the lithium sulfide products is high, the liquid-phase synthesis system of the lithium sulfide is very suitable for industrial-scale production, and the produced high-purity anhydrous lithium sulfide is very suitable for solid-state battery anode materials and has huge potential economic benefits.

An improved modular hydrocyclone and method of operating for centrifugal cleaning fluid wherein the hydrocyclone has a plurality of inserts each of different sizes and configurations for selectively and interchangeably inserting into the modular body thereby adjusting capacity and cleaning efficiency of the hydrocyclone without changing out the body. One or more embodiments relate to systems and methods for utilizing a hydrocyclone system with interchangeable components.

The invention discloses graphene stock solution precipitation separation equipment in the technical field of precipitation separation equipment.The graphene stock solution precipitation separation equipment comprises a separation box, a liquid storage tank and a liquid inlet pipe, a fixed box, two rotating bases and two switching assemblies are arranged on the lower portion of an inner cavity of the separation box, and a material collecting assembly, a rotating assembly, an overturning assembly and a plurality of separation assemblies are arranged on the rotating bases; according to the device, the two rotating seats are arranged to be matched with each other, and the multiple separation assemblies are arranged on each rotating seat, so that the working efficiency is improved; the graphene stock solution is subjected to precipitation separation treatment through the separation assembly, and the separation assembly is rotated through the rotating assembly, so that the separation speed is increased; the separating assembly can be overturned to the material collecting assembly through the overturning assembly, the opening faces downwards, and therefore the graphene materials can be rapidly discharged out of the separating assembly, through vibration cooperation of the material collecting assembly and the vibration discharging assembly, discharging operation is more rapid and convenient, and material residues are reduced.

The invention relates to a method for extracting and separating polyether polyol in waste salt slag by a water-based method, and belongs to the technical field of separation and purification. The method comprises the following steps: (1) slurrying extraction: mixing polyether polyol salt slag with water according to a certain mass ratio, and carrying out slurrying extraction under a stirring condition to obtain oil-water-salt mixed slurry; (2) performing centrifugal separation to obtain an oil-water mixture rich in polyether polyol; (3) demulsifying and layering to obtain a polyether polyol phase; and (4) refining and purifying: dehydrating the polyether polyol phase to obtain a recycled polyether polyol product. According to the method, water is used as an extraction solvent, so that the use of toxic and flammable organic solvents is completely avoided, the safety and health hidden dangers are fundamentally eliminated, and secondary organic pollution is avoided. By optimizing parameters such as the temperature and the liquid-solid ratio of extraction water and combining centrifugal separation, the polyether polyol can be efficiently extracted and separated from the thick salt slag, and the recovery rate can reach 95% or above.