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426 results about "Centrifugal separator" patented technology

A centrifugal water–oil separator, centrifugal oil–water separator or centrifugal liquid–liquid separator is a device designed to separate oil and water by centrifugation. It generally contains a cylindrical container that rotates inside a larger stationary container.

Intelligent control method of zinc ash-containing tail gas purification system

The invention discloses an intelligent control method of a zinc ash-containing tail gas purification system, which relates to the technical field of tail gas purification systems, and comprises the following steps of: firstly, continuously monitoring a condensation process of high-temperature zinc-containing steam in a cooler through a monitoring device, and collecting zinc steam condensation conditions and particle generation data of tail gas under different temperature and pressure states in real time; according to the invention, intelligent monitoring, signal analysis, machine learning identification and dynamic regulation and control are combined to realize accurate control of the zinc-ash-containing tail gas purification system. Key features are extracted through real-time monitoring and data preprocessing, intelligent recognition of particle concentration is achieved based on feature vectors and machine learning, the rotating speed of the centrifugal separator is adjusted in a self-adaptive mode, and efficient separation and system stability are ensured by linkage with pulse back-blowing dust removal. Compared with a traditional fixed rotating speed mode, the tail gas purification efficiency is improved, the maintenance cost is reduced, the service life of equipment is prolonged, the automatic operation capacity is enhanced, and the system is kept in the optimal working state during load fluctuation.
Owner:HENAN KERONG GAS EQUIP CO LTD

System and method for balancing a centrifuge rotor

To provide an improved system and method for balancing a centrifuge rotor.SOLUTION: A hub assembly 10 for a centrifuge rotor 12 includes a rotor hub 14 including a head portion 20, an elongated shaft portion 22 extending axially away from the head portion 20, and a central bore 102 extending through the head and shaft portions 20, 22. A system and method for balancing a centrifuge rotor 12 in which a head 20 includes a plurality of balance holes 52 each configured to selectively receive at least one balance weight 16 for balancing the centrifuge rotor 12.SELECTED DRAWING: Figure 4
Owner:FIBERLITE CENTRIFUGE LLC

Mineral separation and magnetic separation machine for muddy tungsten polymetallic ore and recovery system for recovering black tungsten

The invention discloses a mineral separation magnetic separator for muddy tungsten polymetallic ore and a recovery system for recovering black tungsten, and relates to the technical field of mineral separation of the muddy tungsten polymetallic ore. The blending box is used for blending raw material ore pulp with the concentration of 30%; the bottom of the blending box is transmitted to the permanent magnet separator through a transmission pump connecting pipeline, and a return pipeline I and a circulating pump I are mounted on the permanent magnet separator; magnetically separating the raw ore pulp by a permanent magnetic separator to obtain weak magnetic concentrate pulp; the bottom of the permanent magnetic separator is provided with a transmission pipeline and connected with the high-intensity magnetic separator, and the transmission pipeline is connected with a transmission pump; the concentrate thickener is used for blending and concentrating to obtain concentrated ore pulp with the concentration of 25-35%; a centrifugal concentrator; a return pipeline II and a circulating pump II are arranged on the centrifugal separator, and the number of cycles is three; and the frequencies of the centrifugal separator are respectively 50HZ, 40HZ and 30HZ. The technical problems that argillization tungsten ore cannot be recycled, and materials with proper tungsten concentration cannot be selected through magnetic separation and gravity separation, and the recycling difficulty is large are solved.
Owner:HUNAN SHIZHUYUAN NON FERROUS METAL

Method for continuously producing brominated polystyrene

The invention relates to the technical field of high polymer materials, and discloses a method for continuously producing brominated polystyrene, which comprises the following steps: I, preparing raw materials, ensuring the basic quality of the product by high-quality raw materials, and optimizing reaction conditions, improving the yield and reducing unnecessary byproducts by correct selection; step II, premixing and heating, full premixing ensures the consistency of the materials, and more uniform reaction can be realized. According to the method for continuously producing brominated polystyrene, continuous supply of materials is ensured by utilizing an automatic storage and conveying system, uniform dispersion and stable temperature rise of the materials are ensured by adopting a continuous feeding mixer and an indirect heating system, and efficient bromination reaction is performed by using a microchannel reactor; products are rapidly separated and purified by means of a continuous centrifugal separator and a membrane separation technology, and an automatic quality control system is combined with multiple analytical instruments to ensure that the quality of each batch of products is consistent, so that the effect of efficient, stable and continuous production can be achieved.
Owner:SHANDONG HUIHANG NEW MATERIALS CO LTD

System for co-producing L-arabinose and caramel pigment by using xylose chromatography raffinate

The utility model belongs to the technical field of sugar alcohol preparation, and relates to a system for co-producing L-arabinose and caramel pigment by using xylose chromatography raffinate, which comprises a raw material tank, a nanofiltration membrane separator, a chromatography separation device, an evaporation concentration tank, a crystallization tank, a centrifugal separator and a dryer which are sequentially communicated by pipelines, and the browning reaction assembly is used for mixing the raffinate and the centrifugal mother liquor and then carrying out browning reaction treatment to prepare caramel pigment. The chromatographic separation device is used for separating an extracting solution and raffinate from the flowing nanofiltration permeate, the evaporation concentration tank and the crystallizing tank are used for concentrating and crystallizing the flowing extracting solution into massecuite, the centrifugal separator is used for separating the flowing massecuite into moist sugar and centrifugal mother liquor, and the dryer is used for drying the flowing moist sugar into L-arabinose crystals. According to the utility model, raffinate and centrifugal mother liquor are mixed to prepare a caramel pigment liquid product, so that a caramel pigment additional product is obtained while the utilization rate of saccharide resources is improved.
Owner:ZHEJIANG HUAKANG PHARMA

Centrifugal separation system and method with flow control to a heavy phase receiving container

A centrifugal separation system includes a centrifugal separator, a liquid feed mixture conduit, a light phase conduit, a heavy phase conduit, and a flow control system. The flow control system includes a controller, a flow control valve arranged in a light phase conduit, a liquid feed mixture measuring device, and at a light phase measuring device and / or a heavy phase measuring device. The controller is configured to control the flow control valve based on measurements from the liquid feed mixture measuring device and measurements from the light phase measuring device and / or the heavy phase measuring device.
Owner:ALFA LAVAL CORP AB

Centrifugal separator arrangement, system and method for energy harvesting in a centrifugal separator arrangement

A centrifugal separator arrangement includes: an energy converter positioned in proximity to a rotor of the centrifugal separator and configured to collect and convert the non-electrical energy generated by the rotor of the centrifugal separator into electrical energy; and a sensor configured to obtain a parameter associated with the operation of the centrifugal separator, wherein the sensor includes a processor configured to produce corresponding data, and wherein the sensor is in electrical connection with the energy converter to be powered by the electrical energy collected and converted by the energy converter. A method and a system for energy harvesting in the centrifugal separator arrangement is also provided.
Owner:MANNHUMMEL VENTURES PTE LTD

A centrifugal separator comprising a turbine casing

A centrifugal separator for cleaning gas containing contaminants includes a stationary casing, enclosing a separation space through which a gas flow is permitted, a gas inlet extending through the stationary casing and permitting supply of the gas to be cleaned, a rotating member including a plurality of separation members arranged in the separation space and being arranged to rotate around an axis of rotation. The separator includes a gas outlet arranged in the stationary casing and configured to permit discharge of cleaned gas and including an outlet opening through a wall of the stationary casing, a drainage outlet arranged in the stationary casing and configured to permit discharge of liquid contaminants separated from the gas to be cleaned. The separator includes a turbine casing in which a turbine wheel that is drivingly connected to the rotating member is arranged; and a nozzle arranged for directing a jet of pressurized liquid towards the turbine wheel, thereby rotating said turbine wheel. The turbine casing includes a turbine outlet for drainage of the liquid used for rotating said turbine wheel. The turbine casing has a geometry such that the liquid used for rotating said turbine wheel is leaving said turbine outlet with a remaining kinetic energy that is higher than the energy obtained from gravity alone.
Owner:ALFDEX

Multi-stage filtering device for directional extraction of plants

The utility model discloses a multi-stage filtering device for directional extraction of plants, and belongs to the technical field of plant extraction. The device mainly comprises a centrifugal separator and a filtering mechanism, a water inlet pipe is mounted at the top of the centrifugal separator, a conveying mechanism is arranged between the centrifugal separator and the filtering mechanism, and the filtering mechanism comprises a supporting seat, a top cover and a turntable. According to the multi-stage filtering device for directional extraction of the plants, the driving assembly is used for controlling the rotating disc to rotate by 180 degrees discontinuously, so that the positions of the two filtering nets are exchanged, the switched filtering nets can continue to intercept plant residues, the downtime of the device is shortened, in the rotating process of the rotating disc, a series of transmission structures are used, and the device is convenient to operate. The filter screen is driven to turn over by 180 degrees, plant residues intercepted on the surface of the filter screen automatically fall into the sewage tank under the action of gravity, meanwhile, the filter screen is flushed through cooperation with the high-pressure spray head, the self-cleaning purpose of the filter screen is achieved, and the labor intensity of manual cleaning of operators is remarkably relieved.
Owner:GUANGZHOU MILLIM VEGETABLE TECH DEV CO LTD

Heating type centrifugal separator for producing lithium carbonate

The utility model relates to the technical field of lithium carbonate production and processing, and provides a heating type centrifugal separator for producing lithium carbonate, which comprises a separation barrel, a connecting plate is fixedly arranged at the center of the inner wall of the separation barrel close to the bottom, and a first rotating shaft is movably embedded in the center of the inner part of the connecting plate; a first bevel gear fixedly sleeves the outer surface of the first rotating shaft and is close to the top of the connecting plate, a supporting plate is fixedly mounted on the right side of the separation barrel and is close to the bottom, a first motor is fixedly mounted on the top of the supporting plate, and an output shaft of the first motor is movably embedded in the separation barrel. When the device is used, through the structures of the first motor, the screening barrel, the heating rod and the like, a relatively closed device is formed when the device separates raw materials, the separation process is more concentrated and coherent, solid and liquid can be rapidly separated, the separation efficiency is improved, and meanwhile, the solubility of the raw materials can be improved by heating the separation barrel.
Owner:JIANGXI HUIHENG NEW MATERIALS CO LTD

Humic acid co-production process for pre-selection optimization of weathered coal

The invention relates to the technical field of weathered coal processing, in particular to a humic acid co-production process for pre-selection optimization of weathered coal. The process comprises a pre-selection device, a reaction device, a solid-liquid separation device, a drying device, a heat supply device and a control system. The weathered coal is accurately graded through the weathered coal multi-stage screening device and the weathered coal winnowing device, impurities are removed through the weathered coal feeder and the sodium hydroxide and other additive filling device, solid-liquid separation is conducted through the centrifugal separator, drying treatment is conducted through the humic acid drying machine, and humic acid and activated carbon are generated through the coal-fired steam boiler. The intelligent control system adjusts operation parameters of all devices through the central processing unit, and the resource utilization rate, the energy efficiency and the product quality are improved.
Owner:HAMI RUNAO BIOTECHNOLOGY CO LTD

Cooling water management systems having continuous biofilm monitoring and associated methods for using the same

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; an optional continuous, real time corrosion monitoring and reporting system; and a continuous, real time biofilm monitoring and reporting system.
Owner:TOWER GUARD LLC

Device and method for recovering lithium salt from n-butyllithium waste liquid

The device comprises a magnetic flocculation reactor, a centrifugal separator is arranged on one side of the magnetic flocculation reactor, a reaction kettle is arranged on one side of the centrifugal separator, and a spiral cleaning machine is arranged on one side of the reaction kettle, and is characterized in that a first driving motor is arranged at the bottom of the centrifugal separator; a driving fulcrum shaft is installed at the output end of the upper surface of the first driving motor, a drum body is arranged in the middle of one side of the outer surface of the driving fulcrum shaft, a plurality of inner cone layers are installed in the drum body, and outer cone layers are arranged on the top of the outer surface of the driving fulcrum shaft side by side. Through cooperation of the first driving motor, the driving fulcrum shaft, the inner cone layer, the outer cone layer and the hydraulic telescopic rod, the taper of the rotary drum body can be dynamically adjusted according to the viscosity of waste liquid, and the solid-liquid separation efficiency is remarkably improved in combination with the spiral flow guide edges on the inner wall.
Owner:ANHUI TIANTIE LITHIUM NEW ENERGY CO LTD

Pump type switching system based on coal bed gas development

The utility model discloses a pump type switching system based on coal bed gas development, and relates to the technical field of coal bed gas development, the pump type switching system comprises a coal bed gas well, a detection box, a filter box and a mechanical controller, the upper side of a fixing plate is fixedly connected with a diaphragm type pressure sensor, and the interior of the detection box is fixedly connected with a water content sensor and a pulverized coal concentration sensor; a filter screen shell is fixedly connected to the inner side of the filter box, a centrifugal separator and a gravity type separator are fixedly connected to the inner side of the filter box, the centrifugal separator is connected with the inner side of the filter screen shell through a pipeline, and the gravity type separator is connected with the centrifugal separator through a pipeline; and the other side of the mechanical controller is connected with a screw pump, a centrifugal pump and a plunger pump through pipelines. And the pump set conveys the coal bed gas to a downstream pipeline through mechanical transmission. According to the device, through multi-stage filtration and real-time detection, pump types are automatically switched, efficient purification of coal bed gas and optimized operation of the pump types are achieved, the development efficiency is improved, and energy consumption is reduced.
Owner:CHENGDU CDCORE TECH CO LTD

Oily water recycling and separating device

The invention discloses an oily water recovery and separation device in the field of oily water treatment. A multi-stage separation module, a cleaning agent proportioning module and a cleaning module are mounted on an omnidirectional mobile vehicle; the multi-stage separation module comprises a primary separation box, a cyclone centrifugal separator and an electric flocculation device; the cleaning module comprises a suction device and a cleaning device, the suction device is used for sucking sewage on the working surface, and the cleaning device is used for cleaning the working surface; the cleaning agent proportioning module is used for uniformly mixing a cleaning agent and water according to a certain proportion, and the mixed cleaning agent and water are conveyed to the cleaning device; the oily water recovery and separation device provided by the invention comprises the suction device and the cleaning device, can realize suction and cleaning of sewage on a working surface, and is also provided with the multi-stage separation module, and the sucked oily water is discharged after oil-water separation. The oil dirt cleaning and separating functions are integrated, and the efficiency is improved.
Owner:HOHAI UNIV

A disc arrangement for a centrifugal separator

PCT designated stage expiredWO2025093258A1Rotary centrifugesPhysicsConical surface
The disclosure relates to a disc arrangement (1) for a centrifugal separator (2), the disc arrangement (1) comprises: a truncated cone shaped top disc (4) comprising a top circumference (6), a base circumference (8), an outer conical surface (10) and an inner conical surface (12); a neck device (14) attached to the top circumference (6) of the top disc (4); and at least three wing elements (18) connected to the neck device (14). The wing elements (18) are configured to rest on and extend along the outer conical surface (10) of the top disc (4).
Owner:ALFA LAVAL CORP AB

Shredder centrifugal separator

A centrifugal separator system separates particulate matter from an air stream produced by an industrial shredding machine. The system includes a housing having a cylindrical conical shape defining an interior chamber. An inlet positioned tangentially near the top of the housing introduces an air and particle mixture to create a vortex flow that centrifugally displaces heavier particles where they slide downward to discharge aperture. Clean air reverses direction and exits upward through a central top outlet connected to a HEPA filter for removing residual dust. A first silo directs is used to decelerate separated particles which are directed through a rotary valve providing an airlock to maintain pressures for optimizing centrifugal separation of particles. A second silo receives a bag holder for ease of securing a collection bag. The system provides efficient separation of particles with minimal maintenance and allows continuous operation.
Owner:PHISTON TECH

Prevention of microbiological growth in processing equipment

A system (10) is proposed comprising: a housing (20), and an - electric power source (22). The housing (20) is electrically conductive and arranged to hold a fluid. The power source is arranged to supply an electric current. The housing (20) and the electric power source (22) are operationally coupled in an electric circuit (28) arranged to lead the current from the electric power source (22) through the housing (20). The electric current is configured to inhibit microbiological growth within the housing (20). The housing may form part of a a centrifugal pump (12), extruder (14), or centrifuge separator (16).
Owner:EPFF ELECTRICAL PIPE FOR FLUID TRANSPORT

Method and system for purification of a contaminated product

A purification system (1) includes a disc stack centrifugal separator (3) with a disc stack (31) made of stacked discs (33) having circumferentially spaced-apart distribution holes (39). The distribution holes are configured to distribute a contaminated product over a distribution part (41) of a curved surface area (35) of the disc stack. The distribution part extends around the circumference of the disc stack and over 20%-70% of a total distance (d) between a base periphery (37a) and a top periphery (37b) of the disc stack. At least one pressure control device (11a, 11b) is fluidly connected with at least one of a light phase outlet and a heavy phase outlet and controls a level of backpressure provided to the light phase outlet and / or the heavy phase outlet to adjust a position of an interface between a light phase and a heavy phase in the disc stack during purification.
Owner:SKF MFR TECH AB

Process for producing insoluble sulfur with high thermal stability by gasification method

The invention relates to the field of processes for producing insoluble sulfur with high thermal stability by a gasification method, in particular to a process for producing insoluble sulfur with high thermal stability by a gasification method, which comprises the following steps: selecting common sulfur with the purity of # imgabs0 as a raw material, screening and drying; the dried sulfur is heated and stirred; feeding into a tubular gasification furnace for gaseous state, so as to obtain high-temperature sulfur steam; introducing the high-temperature sulfur steam into a polymerization reaction furnace to carry out polymerization reaction, and controlling the temperature in the polymerization process; carbon disulfide is used as an extraction agent, sulfur steam obtained after polymerization reaction is introduced into an extraction tower, and a mixture of insoluble sulfur and a small amount of residual extraction agent is obtained from the bottom of the extraction tower; and carrying out solid-liquid separation on the mixture by using a centrifugal separator, drying and crushing to obtain the insoluble sulfur. By controlling the temperature in the polymerization reaction process, the problem that the yield is reduced due to the fact that the temperature is too low or too high is solved.
Owner:CHAOYANG MINGYU CHEM CO LTD

Full-automatic liquid material centrifugal separator

The utility model discloses a full-automatic liquid material centrifugal separator which comprises an operation machine frame, a centrifugal stirring machine tank, a second liquid collecting box body and a first liquid collecting box body are respectively installed on the operation machine frame, and a fine material mixed liquid discharging pipe is installed on the side surface of the centrifugal stirring machine tank. The centrifugal stirring machine tank is connected with a discharging pump in a sealed mode through a fine material mixed liquid discharging pipe, and the side surface of the material-liquid separating machine box is communicated with a first liquid collecting box body through a liquid discharging pipe. According to the utility model, the centrifugal stirrer tank is arranged, so that a material-liquid mixture can be conveniently and quickly centrifugally stirred, coarse aggregate with larger mass density is precipitated at the bottom in the tank, and fine aggregate suspended on the upper layer and a liquid mixture are discharged into the material-liquid separator box through the fine aggregate mixed liquid discharge pipe via the discharge pump; and liquid is recycled to the first liquid collecting box body through the liquid discharging pipe, the remaining fine aggregate is blocked in the discharging hopper through the material filtering chuck, and the fine aggregate can be recycled by rapidly disassembling the discharging hopper.
Owner:JIANGSU SUHONG IND TECHNOLOGY CO LTD

Centrifugal separator

The embodiment of the utility model provides a centrifugal separator. The centrifugal separator comprises a loading part and a centrifugal part, the loading part is provided with a centrifugal chamber, a feeding port and a first discharging port, and the feeding port and the first discharging port are formed in the side wall of the loading part and communicate with the centrifugal chamber. In the gravity direction, the height of the first discharging opening is larger than or equal to that of the feeding opening, and the centrifugal part is arranged on the loading part and extends into the centrifugal chamber. According to the embodiment of the utility model, the effect of fully extracting and utilizing pulp fibers after the purification process of the pulp is realized.
Owner:ZHEJIANG JINGXING PAPER

Vacuum phase change condensation and carbon capture cooperative system and operation method

The invention discloses a vacuum phase change condensation and carbon capture cooperative system and an operation method, and belongs to the technical field of energy conservation and consumption reduction of coal-fired units. The system is mainly composed of a condenser body, a CO2 absorbent supply device, a corrugated pipe type elastic condenser, a product recovery and reuse device and other core assemblies. According to the system, the vacuum environment of the condenser body is maintained through the vacuum pump, and efficient phase-change condensation of working media is achieved. The CO2 absorbent supply device is in closed communication with the condenser body, high-activity CO2 absorbent is continuously conveyed into the condenser, the absorbent and CO2 carried in steam are promoted to be subjected to efficient chemical reaction, and stable carbonate products are directionally generated. The mixed product with carbonate treated by the condenser is subjected to efficient solid-liquid separation through the centrifugal separator, and the obtained carbonate product can be directionally conveyed to the desulfurization tower to be recycled as a high-quality desulfurization agent, so that gradient utilization of resources is realized, the desulfurization process cost is remarkably reduced, and meanwhile, the environmental emission of solid wastes is reduced.
Owner:XIAN THERMAL POWER RES INST CO LTD +1

Preparation system and method of acidizing corrosion inhibitor

The invention relates to the technical field of preparation of acidizing corrosion inhibitors, and discloses a preparation system and method of an acidizing corrosion inhibitor, and the system comprises a raw material treatment module used for pretreating, metering and mixing a plurality of organic amine and aldehyde raw materials; the reaction synthesis module performs condensation reaction at preset temperature and pressure, and the reaction temperature is kept constant through the heat-conducting oil circulation system; the product separation and purification module comprises a centrifugal separator and a membrane filtration device and is used for realizing preliminary separation, washing and purification of a product; the performance detection module is used for detecting the corrosion inhibition rate, the iron ion concentration, the dynamic viscosity, the cloud point and the adsorption membrane potential on line; the central control module judges the product performance according to the detection result, and performs feedback regulation on the raw material ratio, the reaction temperature, the reaction duration or the purification pressure when the product does not reach the standard, so that the production process optimization and the product performance stability are realized, and the intelligent regulation and control and the performance stability in the production process of the acidizing corrosion inhibitor are effectively realized.
Owner:CHIFENG AOLONG CHEM CO LTD

Systems and methods for fluid separation interface control using color-based optical measurements

A fluid separation device includes a centrifugal separator configured to receive a centrifugal separation chamber of a disposable fluid flow circuit, a pump system configured to convey a fluid into the centrifugal separation chamber and to remove a separated fluid component from the centrifugal separation chamber via an outlet, a color-based interface monitoring system configured to determine an interface position between separated fluid components continuously flowing through the centrifugal separation chamber based on dominant wavelength measurements of layers of separated fluid components during a centrifugal separation procedure, and a controller configured to measure the dominant wavelengths of the layers, calculate a duration as a color time for each measured dominant wavelength, set target color times, calculate error signals and calculate control signals to adjust the pump system to control the flow rate and interface position.
Owner:FENWAL INC

Centrifugal separator for food inspection

The utility model provides a food inspection centrifugal separator which comprises a shell, a top cover is fixed on the shell in a magnetic attraction mode, a driving structure is arranged on the top cover, a connecting structure is arranged at the output end of the driving structure, a supporting cylinder is arranged in the shell, a centrifugal barrel is arranged in the supporting cylinder in a rotating fit mode, and the centrifugal barrel corresponds to the connecting structure. A first through groove is formed in the supporting cylinder, and a liquid outlet pipe is fixed to one side of the shell and communicates with the shell. According to the utility model, the supporting cylinder is arranged in the shell, the centrifugal barrel is arranged in the supporting cylinder, and the centrifugal barrel can be replaced, so that a large-capacity centrifugal barrel or a centrifugal barrel with a test tube groove can be selected as required, and the application range of the device is expanded; and the centrifugally layered solution can be collected.
Owner:JIESHOU MARKET SUPERVISION & INSPECTION INSTITUTE

A method of separating a liquid feed mixture in a centrifugal separator and a centrifugal separator

The present invention provides a method (100) for separating a liquid feed mixture into at least one separated phase in a centrifugal separator (1) comprising a centrifuge bowl (10) The method (100) is comprising the steps of a) rotating (101) the centrifuge bowl (3); b) supplying (102) said liquid feed mixture to the centrifuge bowl (3); c) separating (103) said liquid feed mixture in the centrifuge bowl (3) into at least one separated phase; d) discharging (104) said at least one separated phase from the centrifuge bowl (10); e) deaerating (105) a portion of the liquid feed mixture and / or a portion of a discharged separated phase to provide a deaerated portion; and f) measuring (106) the density, turbidity or a physical property related to the solids concentration, or any combination thereof, of the deaerated portion.
Owner:ALFA LAVAL CORP AB

Method for efficient in-situ reduction treatment of sludge

The invention relates to a method for high-efficiency in-situ reduction treatment of sludge, which comprises the following steps: S1, pumping a sludge mixed solution in a sludge concentration tank into a self-suction internal circulation reaction kettle, adding NaOH and hydrogen peroxide into the self-suction internal circulation reaction kettle, continuously introducing ozone into the self-suction internal circulation reaction kettle, carrying out wall breaking and hydrolysis on the sludge under the action of a plurality of medicaments, and dissolving microbial components into a liquid phase; and pumping the mixed solution into a centrifugal separator for solid-liquid separation to obtain sludge. Compared with the prior art, efficient reduction of the sludge can be realized through a cheap agent and an efficient reactor, the overall operation cost is low, and the application prospect is wide.
Owner:SHANGHAI SECOND POLYTECHNIC UNIVERSITY

Environment-friendly beneficiation equipment

This invention discloses a green and environmentally friendly mineral processing equipment, belonging to the field of mineral processing technology. The equipment includes a centrifugal separator, a discharge pipe, a collecting hopper, an annular cone hopper, pusher scrapers, a rotating column, a drive assembly, a ore delivery pipe, and a water spraying assembly. The discharge pipe is fixed to the centrifugal separator and connected to the collecting hopper at its top. An annular cone hopper is fixed inside the collecting hopper; its inner cavity is wider at the top and narrower at the bottom, composed of an annular plate and a conical screen plate. Multiple equally spaced pusher scrapers are provided inside the annular cone hopper, all fitting against the inner surface, with one end connected to the rotating column, which is supported by the centrifugal separator. The drive assembly drives the rotating column to rotate. Multiple equally spaced ore delivery pipes and a water spraying assembly are located at the top of the annular cone hopper. This equipment can achieve uniform mixing of ore and water, avoid ore particle agglomeration, improve mineral processing efficiency and accuracy, and is compact, energy-saving, and environmentally friendly.
Owner:DAZHONG MINING CO LTD INNER MONGOLIA

A Discrete Particle Trajectory Prediction Method for Pipeline Centrifugal Separators Based on Surrogate Models

The object of the present invention is to provide a method for predicting the discrete particle trajectories of a pipeline centrifugal separator based on a surrogate model, which comprises the following steps: planning the experimental matrix of the structural parameters and flow field distribution of the pipeline centrifugal separator; obtaining the corresponding matrix between each structural parameter and flow field characteristic parameter according to the simulation experimental data; conducting a sensitivity analysis of the input variables, selecting a modeling technique, and constructing a surrogate model for the key input parameters and response values; comparing the results of the surrogate model with the experimental data; constructing a force model for discrete particles in the swirling flow field; establishing a transient motion trajectory equation for discrete particles by using the Euler method, and coupling and solving the flow field calculation model and the particle force model to obtain a discrete particle motion prediction model. The present invention can predict the motion trajectories of discrete particles in the separator under conditions of different physical property parameters, different structural parameters, and different flow parameters, so as to provide guidance for the structural design and application of the pipeline centrifugal separator.
Owner:HARBIN ENG UNIV