283results about "Centrifugal force sediment separation" patented technology

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.

The invention relates to the technical field of sewage treatment, in particular to an assembly type stacked hydraulic grit chamber for a sewage treatment plant. The assembly type stacked disc hydraulic grit chamber for the sewage treatment plant comprises a stacked disc module device, an unpowered water distribution device and a backwashing and fluidizing device, the stacked disc module device comprises a plurality of stacked discs which are sequentially arranged at intervals in the vertical direction, a water outlet channel is formed between every two adjacent stacked discs, and a water outlet is formed in the inner side of each stacked disc. According to the assembly type stacked disc hydraulic grit chamber for the sewage treatment plant, water flow is sprayed to the inner surface of the stacked disc through the cleaning disc assembly so as to wash the inner surface of the stacked disc, the automatic backwashing function is achieved, the problem of sand accumulation of the stacked disc is effectively solved, and sand hardening is prevented. Through the automatic backwashing function, the manual cleaning frequency and strength are greatly reduced, the manual labor intensity and potential safety hazards are reduced, the stacked trays are prevented from being blocked, and the service life of the stacked trays is prolonged.

A hydrodynamic separator is configured to separate a liquid having dispersed particles. The separator has a substrate and a liquid channel defined by the substrate, where the liquid channel is configured to receive a liquid having a Reynolds number (Re) within the channel. The liquid channel has an inlet and an outlet and is curved to define an inner radius (RC). The liquid channel has a liquid channel length (LD) along the curve and a rectangular cross-section along the length of the curve, where the rectangular cross-section has a height, a width (w), and a hydraulic diameter (DH). The liquid channel length (LD) is greater than or equal to a linear focusing length (Lf), andLf=1598.8Rc⁢α⁢w2Re⁢DH3+6.4,where a is the particle diameter. The liquid channel length (LD) is greater than or equal to a linear focusing length (Lf), andLf=1⁢5⁢6.2⁢RcRe ⁢(wDH)2+24.3.In various embodiments the liquid channel length (LD) is greater than or equal to a linear focusing length (Lf), andLf=Re⁢w28⁢DH+2⁢4.3.

The utility model discloses organic silicon resin separation equipment which comprises a device body, a separation barrel is arranged in the device body, a cover plate is arranged on the separation barrel, a heating plate is arranged in the separation barrel, a feeding port, a motor, an exhaust pipe and a connector are sequentially arranged above the cover plate, the lower portion of the motor is connected with a connecting rod, and the lower portion of the connecting rod is connected with an exhaust pipe. Stirring blades are installed on the connecting rod, a sealing pipe is arranged in the exhaust pipe in a sealed mode, one end of the sealing pipe is connected with an activated carbon adsorption tower, a discharging pipe is arranged on the activated carbon adsorption tower, a connecting pipe is installed in the connector, a three-way spray head is connected to the lower portion of the connecting pipe, a suction pump is connected to the upper portion of the connecting pipe, and one end of the suction pump is connected with a water tank. The separation barrel is connected with a discharging pipe and a residue discharging pipe, volatile low-molecular substances released by heating can be subjected to adsorption treatment, the concentration of the volatile low-molecular substances is reduced, the operation cost is low, implementation is easy, and harm of the volatile low-molecular substances to the human body is reduced.

A system and method of isolating extracellular vesicles. The method includes loading one or more of blood or bone marrow into an input port of a concentration system and centrifuging one or more of the blood or bone marrow to separate one or more of red blood cells, platelet poor plasma, or platelet rich plasma / bone marrow concentrate fractions via a centrifuge device. The method further includes pumping one or more of bone marrow / platelet rich plasma fractions and platelet poor plasma fractions into a receptacle of the concentration system and adding a concentrated aqueous two-phase solution to one or more of the bone marrow concentrate / platelet rich plasma fractions and platelet poor plasma fractions. The method also includes drawing the concentrated aqueous two-phase solution and one or more of the bone marrow concentrate / platelet rich plasma fractions or platelet poor plasma fractions back into the centrifuge device to isolate one or more of extracellular vesicles and platelet rich plasma / bone marrow concentrate fractions.

The utility model discloses a rotary tangent water inlet device of a multi-layer rotational flow grit chamber, which comprises a stacked disc, a water distribution port component is spirally connected with the tangent angle of the stacked disc, the end part of the water distribution port component is connected with a water inlet component through a water segregator, the water inlet component comprises a water inlet, the vertical line direction of the water inlet is gradually reduced, and the vertical line direction of the water inlet is gradually reduced. The horizontal direction is gradually expanded, the gradually-shrinking angle is smaller than or equal to 15 degrees, the gradually-expanding angle is smaller than or equal to 10-20 degrees, and the gradually-shrinking angle is smaller than or equal to the gradually-expanding angle; the water flow enters the stacked disc from the outside of the stacked disc and rotates to enter the stacked disc through the tangent angle, so that the length of the water inlet device can be prolonged, the diverging ratio of the water inlet device and the inclination angle of the bottom edge of the lower portion of the water inlet device are adjusted, the flow speed changes stably, the turbulence degree is reduced, and the water flow is more stable when entering the stacked disc spiral flow cavity; the top elevation of the water inlet is higher than the upper edge of the top stacked disc by a certain height, and it is guaranteed that the water inlet liquid level elevation is higher than the water outlet liquid level elevation of the stacked disc, so that the device is driven by hydraulic power to operate.

The present invention is related to the field of tissue regeneration. It concerns more particularly new processes, tubes and devices for thrombin, platelet concentrate and wound healant preparations, alone or in combination with cell extracts, cell compositions and uses thereof.

The utility model belongs to the technical field of grate rotary kilns, and relates to a swirler slurry concentration control device for an oxidized pellet flue gas desulfurization system of a grate rotary kiln. The upper part of the swirler (1) is communicated with a first opening of the three-way opening (2), a second opening of the three-way opening (2) is communicated with the accident slurry tank (3), a third opening of the three-way opening (2) is communicated with the absorption tower (4), the accident slurry tank (3) is communicated with the upper part of an inner cavity of the swirler (1), the absorption tower (4) is communicated with the upper part of the inner cavity of the swirler (1), and the concentration sensor (5) is arranged at the bottom of the inner cavity of the swirler (1). The swirler slurry concentration control device of the grate rotary kiln oxidized pellet flue gas desulfurization system is simple in structure, on the premise that overflow water is not discharged, the overflow water of the swirler is treated, the phenomenon that CaSO3 is enriched in slurry is reduced, the condition of the slurry in an absorption tower is kept within a controllable range, and the service life of the swirler is prolonged. And the SO2 emission concentration continuously meets the environmental protection requirement.

The utility model discloses a two-stage thickening kettle which comprises a salt collecting hopper with a salt discharge port at the bottom, the top of the salt collecting hopper is connected with a barrel, an overflow flow guide weir is arranged at the top of the barrel, an overflow liquid discharge port is formed in the side direction of the overflow flow guide weir, a top cover is arranged above the overflow flow guide weir, and the salt collecting hopper, the barrel and the top cover are all hermetically connected to form a closed cavity; the two-stage thickening kettle further comprises a cyclone separator connected with the closed cavity in a sealed mode, a feeding port and a clear liquid outlet of the cyclone separator are both located outside the barrel, a heavy liquid outlet of the cyclone separator is located in the middle of the barrel, and the clear liquid outlet is provided with a valve. Through the coupling design of the cyclone separator and the closed cavity, the synergistic effect of first-stage hydraulic cyclone coarse separation and second-stage gravity settling fine separation is achieved. When the feed liquid treatment capacity is large and the feed concentration is low, the cyclone separator can pre-concentrate the low-concentration feed and discharge the clear liquid out of the system in advance, so that the subsequent treatment load is reduced.

This invention relates to the field of geothermal extraction technology, and in particular to a geothermal extraction and irrigation device, comprising a heat exchange mechanism, wherein a heat exchange component is provided inside the heat exchange mechanism, and a heat outlet pipe is sleeved at one end of the heat exchange component; a purification mechanism, which is installed on the outer wall of the heat exchange mechanism, and includes a purification cylinder, wherein the upper and lower parts of the purification cylinder are cylindrical, and the middle part is an inverted cone, with the diameter of the upper cylinder being larger than that of the lower cylinder; and a liquid extraction mechanism installed on one side of the purification mechanism. This invention removes impurities through the purification mechanism, using centrifugal force to throw impurities such as mud, sand, and rock fragments toward the cylinder wall and let them settle to the bottom, where they are collected by the slag collection trough of the dust collection mechanism below. This design can effectively intercept complex fouling in the geothermal fluid, avoiding problems such as pipe wall erosion and pipe blockage caused by impurities entering the heat exchange pipe, thus ensuring the smooth operation and service life of the subsequent heat exchange system from the source.

The disclosure relates to the purification and treatment of oil produced from the liquefaction of waste polymer like for instance the pyrolysis of waste plastics via the polymerization of dienes prior to further treatments.

The invention relates to a limestone-gypsum wet desulphurization method and system.The method comprises the steps that desulfurized rich slurry is heated through a rich liquid heater and desorbed through a flash desorption device in sequence, obtained flash desorption steam is purified through a purification treatment unit, and desorbed sulfur dioxide gas can be obtained; and treating at least part of the desulfurized lean slurry by a gypsum treatment unit to obtain a gypsum product. By adopting the method disclosed by the invention, the discharge amount of the gypsum can be reduced and the quality of the gypsum can be improved while resource recycling of the sulfur is realized. Besides, the obtained desorbed sulfur dioxide gas can be converted into chemical products through subsequent process treatment, so that the current situation of sulfur resource shortage is relieved.

This invention discloses a high-gravity oil-solid separation device and method. The device comprises two parts: high-gravity separation and membrane filtration separation. The high-gravity separation part includes a device body, an oil slurry inlet, a diluent inlet, a pipeline mixer, a rotating shaft, a liquid distributor, separation components, a slurry enrichment plate, a heavy phase outlet, a centrifugal pump, a light phase outlet, a motor, and a nitrogen inlet. The membrane filtration separation part includes pipelines and sliding baffles, with the pipelines divided into membrane filtration pipelines and diluent inlet pipelines. This invention first discharges most solid particles through high-gravity separation, and then uses membrane filtration separation to improve the solidification effect, overcoming the limitations of a single separation mode, enhancing the separation effect and long-term operational stability, while simplifying the process flow and saving floor space.

The utility model relates to solvent recovery equipment technical field especially, is used for cellulose ether production's solvent recovery unit, including the body, still include distillation device, stirring device, condensation collection device and filter device, distillation device installs on the body, stirring device installs on the body and distillation device, condensation collection device and filter device all install on distillation device, the body provides support, and distillation device carries out the filling and heating to solvent, and stirring device carries out the stirring to solvent, and condensation collection device carries out the condensation separation storage to solvent steam, and filter device carries out the filtration treatment to the solvent that enters the machine, and it carries out secondary classification filtration to solvent through setting filter device, reduces the impurity number that enters the machine, and carries out secondary classification distillation separation recovery to solvent through setting distillation device and condensation collection device cooperation, improves separation rate to improve recovery efficiency.

The invention relates to a garbage classification treatment device. According to the technical scheme, a barrel body comprises a shell, a notch is formed in the front half side wall of the shell, an inner container is movably inserted into the notch, a conical inserting groove is fixedly formed in the middle of the bottom of the inner container, a storage barrel is inserted into the conical inserting groove, a sealing ring is fixedly arranged in the middle of the inner wall of the shell above the notch, and a sealing bearing is installed in a center hole of the sealing ring; a barrel cover with a hole in the middle is installed at an opening in the upper end of the shell, a classification disposal mechanism is fixedly inserted into an inner hole of a sealing bearing, and the classification disposal mechanism achieves rapid solid-liquid separation disposal of garbage by adopting a spin-drying barrel capable of rotating at a high speed and being matched with a baffle with the bottom capable of rapidly opening the pipe wall. The classification processing mechanism is driven by a driving mechanism installed in the right side of the shell. The kitchen garbage solid-liquid separation device has the beneficial effects that the kitchen garbage solid-liquid separation efficiency is improved, soup leakage in the kitchen garbage transportation process is avoided, the use of garbage bags is reduced, the kitchen garbage is treated in a classified mode, and secondary pollution is avoided.

The application discloses a system and working method for separating carbon sand from sludge carbon and synchronously expanding the carbon hole, which comprises a tank body, a rotating mechanism, a sludge carbon releasing mechanism, a secondary reverse mixing mechanism and a water outlet weir, a sand collecting hopper is installed at the bottom end of the tank body, a sand discharging pipe is connected to the lower end of the sand collecting hopper, the sludge carbon releasing mechanism is installed inside the tank body and above the sand collecting hopper, a carbon inlet is formed in the side wall bottom end of the sludge carbon releasing mechanism, a carbon inlet pipe is connected to the carbon inlet, the inlet of the carbon inlet pipe is located outside the tank body, the rotating mechanism is installed above the sludge carbon releasing mechanism, a water inlet pipe is connected to the inlet of the rotating mechanism, the secondary reverse mixing mechanism is installed above the rotating mechanism, the water outlet weir is arranged above the secondary reverse mixing mechanism, and the water outlet weir is connected with the inner wall of the tank body. The application realizes the effective separation of carbon powder and sand and stone from sludge carbon, simultaneously realizes the expansion of the carbon hole and the removal of part of the ash, increases the specific surface area of the carbon, and improves the adsorption performance of the carbon.

The invention provides a corrosion product centrifugal separation device and method for a spent fuel pool, and belongs to the technical field of spent fuel pool purification systems.The corrosion product centrifugal separation device comprises a solid collecting tank and a Venturi tube, a pore plate is installed in a cylindrical section of the upper portion of the solid collecting tank, and the bottom of the solid collecting tank is connected with an inlet pipe; a cyclone impeller is mounted in the inlet pipe, a separation section is arranged at the top of the inlet pipe, a cylindrical guide plate is externally connected to the separation section, the separation section is connected with a connecting pipe, a recovery impeller is mounted in the connecting pipe, the connecting pipe is connected with a Venturi pipe, and the Venturi pipe is connected with an outlet. Based on the obvious density difference of the solid phase and the liquid phase, a rotational flow field can be generated by pool water through the rotational flow impeller, solid-liquid separation is conducted on substances with different specific gravities, corrosion products are efficiently removed through gravity settling, the purpose of purifying the spent fuel pool is achieved, and compatibility with an existing circulating system of the spent fuel pool is high.

To provide a high-speed sedimentation apparatus which can shorten a construction period and reduce a construction cost, and a manufacturing method of the high-speed sedimentation apparatus.SOLUTION: A high-speed sedimentation apparatus 1 includes a separator 10 which is attached with a plurality of plates 30 on the outer peripheral surface of a cylinder 20 arranged in a sedimentation tank 2. The cylinder 20 is constituted by connecting a plurality of strip members 21 and forming a cylindrical shape. The separator 10 is attached so as to spirally wound the outer peripheral surface of the cylinder 20 by connecting a plurality of blade units 40 having spiral plates 30 attached to the outer surfaces of the strip members 21. The cylindrical cylinder 20 is assembled by sequentially connecting the strip member 21 of each blade unit 40 with each other in the vertical direction, and the separator 10 to which each spiral plate 30 is attached so as to spirally wound the outer peripheral surface of the cylinder 20 is assembled.SELECTED DRAWING: Figure 1

A method and system for separating materials using a combination of screen beds and gravity separators is included. Materials are collected from the waste stream and pass through a screen. The collected larger materials are then directed to a first gravity separator with a specific gravity. Plastics are recovered and residual metals are recovered.

The utility model relates to the technical field of material feeding devices, and discloses a material feeding device for a thickener, which comprises a feeding tank and the thickener, the feeding tank is a round barrel with a round opening at the lower end, and the feeding tank is fixedly mounted at the central position of the thickener. According to the utility model, through a linkage structure of the movable disc, the scraping plate and the rotating column, intelligent switching between a mixing function and a cleaning function is realized. When the rotating motor drives the rotating column to rotate, the movable disc drives the connecting block and the scraping plate to synchronously rotate to form stirring blades, and a mixed flow state of a flocculating agent and slurry is forcibly scattered; after mixing is completed, the telescopic device pushes the connecting ring to move upwards, the movable disc drives the limiting block to ascend along the sliding groove, the scraping plate is forced to transversely expand outwards to be tightly attached to the inner wall of the feeding tank, and residues are automatically scraped in the rotating process. According to the design, the switching of a mixing mode and a cleaning mode is realized through a single driving source, so that the dispersion uniformity of a flocculating agent is improved, and the efficiency loss caused by traditional manual slag removal is avoided.

The invention relates to the technical field of chemical production concentration and purification, and discloses a potassium hydroxide concentration and refining process and device, the potassium hydroxide concentration and refining process comprises a shell, the shell is internally provided with a concentration assembly for concentrating a multi-stage clarified solution, and the top end of the shell is provided with a water inlet pipe communicated with an inner cavity space. According to the equipment, all parts in a concentration assembly are matched, and a gravity water supply principle is formed by utilizing the liquid level difference between a water inlet pipe and an overflow port, so that a solution sequentially flows through a first-stage middle cavity to realize primary slow flow sedimentation, secondary slow flow collection under the guidance of a water guide conical barrel and spiral slow flow separation of an inner conical barrel and a spiral strip sheet; finally, multi-stage clarification and refining of the solution are completed, the purpose of removing impurities with different particle sizes in the solution is achieved, the impurities with different particle sizes can be separated in a targeted mode through cooperation of stage slow flow and gravity settling, the refining purity of the potassium hydroxide solution is remarkably improved, and the problem that impurities are not thoroughly removed due to a single clarification structure is solved.

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.

An apparatus for filtering solid and / or non-dissolved contaminants entrained in flowing water, the apparatus comprising an inlet for the water containing the entrained solid or non-dissolved contaminants to flow into a filtering chamber; a first outlet for expelling the unfiltered water from the filtering chamber; the filtering chamber further comprising: a curved or corner portion in the filtering chamber providing at least a part of a flow path of water from the inlet to the first outlet such that flow of the water along the curved or corner portion changes the direction of flow of the water; and a filtering screen for filtration of solid and / or non-dissolved contaminants from the influent water thereby allowing passage of filtered water out of the filtering chamber.

The crystal separation system comprises a crystallizing tank, a centrifugal machine and a drying machine which are sequentially connected, the crystallizing tank is connected to a centrifugal machine feeding pipeline of the centrifugal machine through a crystallizing tank discharging pipeline, and the centrifugal machine is provided with a centrifugal machine liquid outlet pipeline connected to a mother liquor tank and further provided with a centrifugal machine discharging pipeline connected to the drying machine. A temperature sensor is installed on the centrifugal machine and used for detecting the temperature in the centrifugal machine, a smoke detector is further arranged above the centrifugal machine, and the temperature sensor and the smoke detector are both connected with a PLC. The internal state of the centrifugal machine can be monitored in real time under the dynamic operation condition of the centrifugal machine, abnormal conditions such as temperature abnormity or smoke concentration abnormity can be found in time, and an alarm is triggered immediately to take emergency measures.

The utility model belongs to the technical field of wastewater treatment, and particularly relates to a multi-stage cyclone reactor which comprises a first-stage cyclone unit, a second-stage cyclone unit, a third-stage cyclone unit and a fourth-stage cyclone unit, the first water inlet is connected with a water pipe I; a second water inlet is formed in the bottom of the second-stage rotational flow unit, and a second water outlet is formed in the middle; the second water inlet communicates with the first water outlet through a second water pipe. A third water inlet is formed in the top of the third-stage rotational flow unit, and a third water outlet is formed in the bottom; the third water inlet communicates with the second water outlet through a third water pipe. A fourth water inlet is formed in the bottom of the fourth-stage rotational flow unit, and a fourth water outlet is formed in the top; the fourth water inlet communicates with the third water outlet through a fourth water pipe; and the stable-pressure water outlet device is mounted at the top of the fourth-stage rotational flow unit. The multi-stage cyclone reactor disclosed by the utility model realizes multi-phase separation and reaction through cyclone effect and centrifugal force, has the characteristics of high efficiency, compactness and flexibility, and has a better market application prospect.

Methods for treating biological samples containing nucleic acids using high ionic strength and high temperatures. The sample can be separated into two or more phases to isolate various components in the sample, and an enzymatic reaction is performed to detect a sequence of interest. Kits for performing the methods of the invention are also provided.

The utility model discloses an improved centrifugal airflow sand removing tool, which relates to the technical field of cyclone sand removers and comprises a centrifugal airflow sand removing cone, a round pipe is arranged at the top end of the centrifugal airflow sand removing cone and is communicated with the centrifugal airflow sand removing cone, a side pipe is mounted on the right side of the centrifugal airflow sand removing cone, and the side pipe is communicated with the centrifugal airflow sand removing cone. The side pipe is communicated with the centrifugal airflow sand removing cone, side plates are arranged on the left side and the right side of the centrifugal airflow sand removing cone respectively, supporting discs are arranged on the front side and the rear side of the lower surface of each side plate, and the supporting discs are fixed to the side plates in a pasted mode. According to the sand removing tool, sand falling downwards from the sand removing tool can fall into the storage box through the through hole, the sand can be conveniently and intensively collected, in addition, when the sand needs to be poured out, a worker can hold the long handle to slide forwards, the supporting block can slide out of the sliding groove, then the storage box can be taken out from the position between the two side plates, the sand can be conveniently poured out, and the sand removing tool is convenient to use. The operation is simple.

The impurity removal equipment comprises a cyclone, a cover plate and a precipitation assembly, the precipitation assembly is arranged, and a bevel gear I is driven by a driving motor to perform opposite meshing circular rotation adjustment with a bevel gear II and a bevel gear III respectively; starch precipitated on the inner side of the precipitation tank is fully stirred and separated through a movable sleeve rod, a spring, a movable seat, a cross rod II, a scraper blade, a rotating rod, a cross rod I and a centrifugal arc plate, and the inner side wall of the precipitation tank is prevented from being adhered, so that the impurity removal and separation effects on starch precipitation are improved.

A centrifugal cartridge or disk used for extraction of light supernatant fractions from fluid samples is described, particularly for non-homogenous fluid biological samples such as whole blood. The device may be used to collect cell-free blood plasma or a fraction of whole blood containing target cells such as leukocytes. Single or multiple channels are described, including channels with passive valves, gaskets, receiving cavities, inlet holes, capillary wicking ridges, distal cavities for cell retention, separator gel, and density medium. Centrifugal action causes whole blood in a receiving cavity to pass into one or more channels where it separates into blood cells, plasma and optionally fractions of an intermediate density. After spin, the plasma returns to the receiving cavity by way of the one or more channels for extraction through the inlet hole or other inwardly located hole. Disposable cartridges are constructed of monolithic top and bottom plates, which may be joined together by an elastomeric outer seal.

A water cooling / recirculating management system, including: a controller; a fluid displacement pump; a centrifugal separator; a germicide generator; a primary side stream magnetic field generator; and a continuous, real time corrosion monitoring and reporting system.