87 results about "Electrostatic separation" patented technology

The invention relates to the technical field of soil treatment, and particularly discloses a soil micro-plastic electrostatic separation device and method.The soil micro-plastic electrostatic separation device comprises a sample pool, an electrostatic adsorption mechanism is arranged on one side of the sample pool, and the electrostatic adsorption mechanism is connected with an electrostatic discharge generator through a wire; the electrostatic adsorption mechanism comprises an adsorption plate and a connecting handle; the bottom box and the heightening frame bodies are made of wood, the height of the sample pool can be adjusted by installing the heightening frame bodies in an assembling mode, a nylon coating is arranged on the outer side of an adsorption plate and used for adsorbing micro-plastics and eradicating the risk of high-voltage electric leakage, and the height of the adsorption plate can be adjusted through an arranged supporting assembly; the particle size range of the micro-plastic covered by electrostatic adsorption is wide, compared with a traditional method, the recovery rate is remarkably improved, and the original form of the micro-plastic and the natural structure of soil are protected through normal-temperature physical separation and no reagent addition.

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

This invention discloses an efficient separation and beneficiation method for scheelite, wolframite, and cassiterite in a tungsten-tin mixed concentrate, comprising the following steps: (1) pre-treatment by grinding, flotation desulfurization, and weak magnetic separation to remove iron from the tungsten-tin mixed concentrate to obtain weak magnetic tailings; (2) concentration and drying of the weak magnetic tailings obtained in step (1) followed by electrostatic separation to obtain electrostatic concentrate and electrostatic tailings; (3) stirring and slurry conditioning of the electrostatic concentrate obtained in step (2) followed by strong magnetic separation to obtain strong magnetic concentrate and strong magnetic tailings; stirring and slurry conditioning of the electrostatic tailings obtained in step (2) followed by scheelite upgrading flotation to obtain scheelite concentrate and scheelite flotation tailings. Based on the differences in conductivity, magnetism, and flotation properties of scheelite, wolframite, and cassiterite, this invention employs a “cassiterite / wolframite electrostatic separation-wolframite / cassiterite strong magnetic separation-scheelite upgrading flotation” process to achieve efficient separation of wolframite, scheelite, and cassiterite.

The present invention discloses a method and apparatus for electrostatic separation of trichomes from plant biomass, addressing the limitations of conventional separation techniques. The method relies on differences in electrical properties of trichomes and plant material, utilizing an external electric field. A multi-component electrostatic separation assembly may prepare and separate one or more samples, thereby incorporating a dispensing component, a pipeline component, and a separation chamber comprising at least one electrode assembly. Moreover, the present invention may also provide for electrode assemblies that feature self-cleaning mechanisms.

The utility model relates to the technical field of metal and plastic sorting machines, and provides a clean plastic sheet sorting machine which comprises a bottom frame and a conveying belt, the conveying belt is arranged in the bottom frame, an outer frame is fixed to the bottom frame, a screening assembly is arranged on the outer frame, and a driving motor is installed on the side surface of the bottom frame. The electrostatic separation assembly is arranged on the bottom frame, the annular frame is fixed between the outer frames, a plurality of springs are arranged on the inner wall of the annular frame, a sieve tray is connected between the springs, arc-shaped grooves are formed in the periphery of the outer surface of the sieve tray, and a driving motor is fixedly connected to the annular frame. By means of the technical scheme, the problems that in the prior art, a large number of tiny waste chips exist in smashed automobile materials, some waste chips are attached to a conveying belt and are inconvenient to collect, some waste chips are attached to the conveying belt and are inconvenient to collect, and the device needs to sort out plastic firstly and then sort out metal, so that the labor intensity of workers is lowered are solved. And switching is carried out continuously, which is troublesome.

This utility model discloses a vibrating screen for spreading materials in an electrostatic separator, including a mounting frame, a vibrating frame, and an electrostatic separator disposed above the vibrating frame. A screen plate is disposed inside the vibrating frame to divide the inner side of the vibrating frame into a vibrating chamber and a vibrating separation chamber. The vibrating frame and screen plate are inclined downwards from right to left. A vibrating motor is disposed on the lower side of the vibrating frame. A material conveying device is mounted on the inlet of the vibrating frame. A first discharge cylinder and a second discharge cylinder are respectively connected to the left side of the vibrating separation chamber and the vibrating chamber. Two collection frames are disposed on the left side of the mounting frame. The upper parts of the two collection frames are respectively connected to a first receiving pipe and a second receiving pipe, which are located directly below the first and second discharge cylinders. A storage frame is inserted into each of the two collection frames. A pushing component is disposed inside the vibrating frame for pushing out residual materials from the vibrating chamber and the vibrating separation chamber. This utility model has the advantage of facilitating material collection.

The invention relates to the field of tea processing, and discloses a multi-stage impurity removal and electrostatic sorting ground tea stem and leaf separation system which comprises a feeding frame, a primary treatment mechanism is arranged at the bottom of the feeding frame, a separation treatment mechanism is arranged at the bottom of the primary treatment mechanism, and an electrostatic screening mechanism is arranged at the bottom of the separation treatment mechanism. The primary treatment mechanism comprises a sundry treatment bin, the outer wall of the sundry treatment bin is arranged at the bottom of a feeding frame, the upper portion of the outer wall of the sundry treatment bin is in threaded connection with a threaded column, and the top of the feeding frame is fixedly connected with a buffering assembly. After the roller motor is powered on, the electrode cylinder is connected with the high-voltage static negative electrode and the grounded distribution plate is connected with the positive electrode to form a stable electric field gap, the to-be-selected raw materials are precisely separated in the electric field according to the dielectric property difference, the raw material conveying continuity and the separation and screening precision are improved, and then the separation efficiency and quality are improved.

The invention relates to an electrostatic separator, and relates to the technical field of electrostatic separation, the electrostatic separator comprises a separation frame, a feeding hopper is arranged at the top of the separation frame, a discharging hopper is arranged on the side face of the separation frame, a separation mechanism, an ionization mechanism and a conveying mechanism are arranged in the separation frame, the ionization mechanism is arranged on the outer side of the separation mechanism, and the conveying mechanism is arranged on the outer side of the separation mechanism. The conveying mechanisms are arranged below the sorting mechanisms and communicate with the discharging hopper, the electrostatic sorting machine feeds plastic and metal mixed materials into the sorting frame through the feeding hopper, the sorting mechanisms sort the mixed materials in the sorting frame, and the discharging hopper is communicated with the conveying mechanisms. The ionization mechanism generates an electrostatic field to enable mixed materials to carry electrons or lose electrons, automatic feeding, electrostatic separation and automatic discharging of the materials are achieved through the structure, the separation efficiency and the automation degree are improved, separation is based on the electrostatic principle through the application of the ionization mechanism, the device is suitable for separating conductive and non-conductive particles, and the application range is widened.

The invention discloses a needle belt type electrostatic separation device for separating plastic film residues in straw feed, and belongs to the technical field of agricultural material separation, the needle belt type electrostatic separation device comprises a first metal type conveying belt and a second metal type conveying belt, and electrode supports are symmetrically arranged on the two sides of the first metal type conveying belt and the two sides of the second metal type conveying belt; electret discharge rods are arranged above the first metal type conveying belt and the second metal type conveying belt through the electrode supports respectively, residual film collecting boxes are arranged on the lower surfaces of the tail ends of the first metal type conveying belt and the second metal type conveying belt, and static brushes are arranged in the residual film collecting boxes. A feeding device is arranged above the head end of the first metal type conveying belt, a turnover device is arranged at the tail end of the first metal type conveying belt, and a straw feed collecting box is arranged below the tail end of the second metal type conveying belt. By the adoption of the structure, efficient separation of residual films and straw feed is achieved, and the separation efficiency and the overall separation rate are improved.

The invention relates to a fiber foreign matter sorting machine which comprises a foreign matter collecting system used for collecting and conveying foreign matters; the discharging assembly is used for generating and accumulating electrostatic charges; the electromagnetic vibration feeder is used for conveying materials; the electromagnetic vibration feeder comprises a conveying channel, a mounting opening and an adhesive tape opening are formed in the conveying channel, and the discharging assembly is located on the mounting opening. The foreign matter collecting system comprises a rack, an unwinding roller and a winding roller, the unwinding roller and the winding roller are arranged on the rack, an adhesive tape roll is arranged on the unwinding roller, and an adhesive tape on the adhesive tape roll penetrates through an adhesive tape opening to be connected with the winding roller. The fiber foreign matter sorting machine has the following advantages that fiber foreign matters in graphite powder are subjected to electrostatic sorting, and the separation effect is good; the sorting operation is carried out in the conveying channel, so that the conveying of the materials and the sorting of fiber foreign matters are synchronously carried out, and the working efficiency is high; the adhesive tape surface is adopted to adhere fiber foreign matters, the collection effect is good, and the removal efficiency is high.

The utility model belongs to the technical field of catalytic cracking oil slurry solid catalyst removal, and discloses electrostatic adsorption separation equipment which comprises a separator body, a raw material inlet, a purified raw material outlet, a high-voltage electricity inlet, a backwashing solvent outlet, a plurality of groups of backwashing solvent inlets and a hand hole, a transformer is also arranged at the top of the separator body close to the high-voltage lead-in port, and extends into the high-voltage lead-in port through a high-voltage flexible connector to be connected with the electrode; the electrode is hung on the electrode beam; a plurality of groups of filler supporting plates and backwashing devices are arranged in an array manner in the direction perpendicular to the length direction of the separator body; the backwashing device is connected with the backwashing solvent inlet; the electrode extends from the topmost filler support plate to the bottommost filler support plate. According to different heights and cleaning requirements of the electrostatic separator, the arrangement of the packed bed layers in the electrostatic separator is realized by adopting a mode of multiple layers of packing support plates and multiple layers of backwashing pipes, fluidization cleaning is realized, and the cleaning efficiency and effect are improved.

The invention discloses an anti-impact filter box material based on recycled ABS (Acrylonitrile Butadiene Styrene) and a preparation method of the anti-impact filter box material, and belongs to the technical field of recycled ABS materials. The preparation method of the impact-resistant poison filtering box material based on the recycled ABS comprises the following steps: step 1, sorting, cleaning, drying, crushing and separating recycled waste safety helmets and other waste protective articles containing ABS parts, then performing density separation to obtain pure ABS fragments, crushing, washing, performing centrifugal dewatering, and performing electrostatic separation to obtain a recycled ABS base material; and 2, mixing the recycled ABS base material, the composite corrosion-resistant agent and the modified impact-resistant agent, then adding an antioxidant and a lubricant, uniformly mixing, melting, filtering, extruding, drying, carrying out injection molding, shaping and passivating to obtain the impact-resistant poison filter box material based on recycled ABS. The material prepared by the method has excellent corrosion resistance, impact resistance and thermal stability.

This invention relates to the field of water treatment technology, and in particular to an interface-enhanced water treatment device that combines gas-liquid jetting and photocatalysis. The device includes a reaction tank and a sealing cover plate arranged on the reaction tank. The reaction tank and the sealing cover plate enclose a reaction zone. An installation cavity is provided within the sealing cover plate, and several coaxial corona jetting units and a photocatalytic light source unit are integrated within the installation cavity. The coaxial corona jetting units spray a gas-liquid mixture carrying space charge onto the liquid surface in the reaction zone below. The photocatalytic light source unit provides light radiation to the liquid surface in the reaction zone below. By forcibly delivering space charge to the liquid surface through the coaxial corona jetting units, a non-Laplace high-intensity electric field is established at the gas-liquid interface, breaking through the "Laplace bottleneck" of traditional gas-gap electrostatic separation and significantly improving the coalescence efficiency of tiny emulsified oil droplets.

The circuit board separation equipment with the dust removal function comprises electrostatic separation equipment and a bucket elevator, a sealing frame is arranged on the outer surface of the bucket elevator, the output end of the bucket elevator is located in the electrostatic separation equipment, a maintenance groove is formed in one side of the sealing frame, and the maintenance groove is connected with a sliding assembly; the sealing frame is arranged at the top of the bucket elevator, so that dust generated in the conveying process is blocked in the circuit board conveying process, the dust collector is fixedly connected to the top of the sealing frame, dust generated in the conveying process is removed, and when the bucket elevator breaks down in the using process, the dust collector is fixedly connected to the top of the sealing frame. The outer sliding plate and the inner sliding plate can slide, so that an opening is formed in the fault position of the maintenance groove, other parts are sealed, the fault position of the bucket elevator is maintained under the condition that sealing of the sealing frame is not affected, and certain practicability is achieved.

The invention relates to a film impurity electrostatic separation device and method based on double-roller current feedback, and belongs to the technical field of agricultural machinery. The device comprises a collecting device, a crushing device and an electrostatic separation device, wherein the electrostatic separation device adopts a grid type outer roller and a columnar inner roller structure which are coaxially arranged; the grid-type outer roller is grounded, driven by a driving mechanism to rotate and connected with a negative high-voltage power supply to charge the surface of the grid-type outer roller; and a current sensor is connected in series on the supporting shaft of the columnar inner roller and is electrically connected with the central controller. The cylindrical inner roller can be connected with a positive high-voltage power supply to form an adsorption electric field. And the central controller adjusts the output voltage of the high-voltage power supply or the rotating speed of the grid type outer roller in real time according to the electrostatic micro-current change detected by the current sensor. When it is detected that the impurity proportion in the working gap is increased, the controller automatically increases the output voltage and / or reduces the rotating speed of the outer roller so as to adapt to different material states, and the separation purity and the operation stability are improved. Real-time monitoring and self-adaptive regulation and control in the membrane impurity separation process are achieved, and the problems that a traditional fixed parameter separation device is poor in working condition adaptability and prone to blockage are effectively solved.

An electrostatic sorting device (500) charges mixed resin pieces (100) of a plurality of kinds, carries the charged resin pieces (100a, 100b) to an electrostatic field space, makes them fall while being displaced within the electrostatic field space, and sorts the resin pieces (100a, 100b), wherein an automatic charge amount measuring system (7) that measures the charge amount of the resin pieces (100a, 100b) is provided, and the automatic charge amount measuring system (7) picks up a part of the resin pieces (100a, 100b) at the time of the carrying, and measures the charge amount of the picked-up resin pieces (100a, 100b).

The invention relates to the technical field of mineral processing, and provides a synergistic enrichment method for associated niobium, tantalum, tin and rare earth in pegmatite type spodumene ore, which comprises the following steps: crushing pegmatite type spodumene raw ore associated with niobium, tantalum, tin and rare earth to obtain crushed minerals; the crushed minerals are ground, and ground ore pulp is obtained; pulp mixing is conducted on the ore grinding pulp, and to-be-separated ore pulp is obtained; the to-be-separated ore pulp is subjected to gravity separation, and gravity concentrate and final tailings are obtained; the gravity concentrate is subjected to strong magnetic separation, and niobium tantalum-tin-rare earth concentrate and magnetic separation tailings are obtained; the niobium-tantalum-tin-rare earth concentrate is subjected to electric separation, and iron-tin-containing concentrate and electric separation tailings are obtained; and the electric separation tailings are subjected to flotation separation, and rare earth concentrate and niobium-tantalum concentrate are obtained. According to the collaborative enrichment method, efficient recovery of niobium and tantalum can be achieved, efficient enrichment of tin and rare earth can be achieved, and therefore the utilization rate of niobium, tantalum, tin and rare earth in ore can be greatly increased.

The present application relates to lithium battery material recycling technical field, specifically relates to a kind of method for separating and recycling valuable metal of ternary lithium battery.The method will waste ternary lithium battery be discharged after stripping the metal shell of battery, battery crushing is carried out under inert atmosphere environment, the fragment after crushing is calcined under inert atmosphere, iron class substance is separated and recovered by magnetic separation after cooling fragment, copper, aluminium class substance is separated and recovered by electrostatic separator, nickel, cobalt, manganese, lithium element is dissolved by adding acid solution, saturated sodium carbonate solution is added to control the pH value of solution, stirring is started to heat reaction, the coprecipitate of nickel, cobalt, manganese is precipitated, and is recovered by filtration;Saturated sodium carbonate solution is added to the filtrate, white precipitate is lithium carbonate, and lithium element is recovered.The method realizes the effective recovery and reuse of valuable metal components in the positive electrode material of waste ternary lithium ion battery, and has important significance.

The application relates to the technical field of material sorting equipment, and discloses an electrostatic sorting method and system based on a friction generator, which comprises a friction electrification device, is used for frictionally charging mixed materials to be sorted, and synchronously completes continuous feeding; the friction electrification device is connected with an electrostatic sorting device; a discharge port of the friction electrification device is in communication with a feeding port of the electrostatic sorting device; an electrode input end of the electrostatic sorting device is coupled with an output end of a voltage-boosting rectifier circuit, which is used for forming a stable high-voltage electrostatic field in the electrostatic sorting device; an input end of the voltage-boosting rectifier circuit is electrically connected with an electric energy output end of the friction generator; the application breaks away from the dependence of traditional electrostatic sorting on external high-voltage power supply, has the advantages of excellent human body safety, small energy consumption, low cost and easy integration, and solves the technical problems of low pre-charging efficiency and low material charge-to-mass ratio through the friction electrification device.

The present invention relates to a device for the electrostatic separation of semiconductor particles, in particular silicon particles, from a material mixture of solar cell residues with semiconductor particles, in particular silicon particles, and non-conducting particles, in particular plastic and / or glass particles, comprising a first corona electrode (4) for electrostatically charging the material mixture, a first grounded electrode (5) for discharging the semiconductor particles contained in the material mixture and a first static electrode (6) for generating an electric field between the first grounded electrode (5) and the first static electrode (6) and a corresponding method for the electrostatic separation of semiconductor particles.To enable an economical separation of silicon from solar module waste, a first infrared emitter (3) is provided for irradiating the material mixture with medium-wave infrared radiation, wherein the first infrared emitter (3) is arranged such that the material mixture passes the first infrared emitter (3) in front of the first corona electrode (4) during operation.

An electrostatic separation device that separates conductive particles from a raw material containing conductive particles and insulating particles using electrostatic force, the electrostatic separation device including: a container in which a raw material layer made of the raw material is formed; a gas dispersion plate disposed on a bottom of the raw material layer; at least one vibration body disposed in the raw material layer on the same surface as the gas dispersion plate or higher than the gas dispersion plate; a fluidizing gas supply device for supplying a fluidizing gas that is guided from a bottom of the container into the raw material layer and passes through the gas dispersion plate to raise the raw material layer; an upper electrode disposed above the raw material layer; a lower electrode disposed in the raw material layer on the same surface as the gas dispersion plate or higher than the gas dispersion plate; a power supply device that applies a voltage between electrodes of the upper electrode and the lower electrode in a manner that one of the upper electrode and the lower electrode is a negative electrode and the other is a positive electrode and an electric field is generated between the electrodes; and a capturing device for capturing the conductive particles that fly from a surface of the raw material layer toward the upper electrode.

The invention relates to a device for electrostatically separating semiconductor particles, in particular silicon particles, from a material mixture of solar cell residue, said material mixture comprising semiconductor particles, in particular silicon particles, and non-conductive particles, in particular plastic and / or glass particles. The device has a first corona electrode (4) for electrostatically charging the material mixture, a first grounded electrode (5) for discharging the semiconductor particles contained in the material mixture, and a first static electrode (6) for generating an electric field between the first grounded electrode (5) and the first static electrode (6). The invention also relates to a corresponding method for electrostatically separating semiconductor particles. In order to allow an economical separation of silicon from solar module waste, a first infrared emitter (3) is provided for irradiating the material mixture with medium-wave infrared radiation, the first infrared emitter (3) being positioned such that the material mixture passes through the first infrared emitter (3) upstream of the first corona electrode (4) during operation.

The utility model discloses an electrostatic separation device for solid waste, the solid waste comprises a plastic mixture doped with metal, and the electrostatic separation device comprises a first feeding assembly, a second feeding assembly, a third feeding assembly, a third feeding assembly, a fourth feeding assembly and a fourth feeding assembly, and the first feeding assembly is used for conveying the plastic mixture doped with the metal; the magnetic separation assembly is arranged at the downstream of the feeding assembly and is used for separating metal in the plastic mixture; the second feeding assembly is arranged at the downstream of the magnetic separation assembly and is used for conveying the plastic mixture and forming a thin-layer material with a preset thickness from the plastic mixture subjected to metal removal; the electric field generating assembly is arranged on the downstream of the second feeding assembly and / or on the second feeding assembly and used for forming an electric field in the horizontal direction; the sorting assembly is arranged on the side of the electric field generating assembly and matched with the electric field generating assembly so as to separate plastic in the plastic mixture. The sorting efficiency and the sorting quality of the plastic mixture doped with the metal can be effectively improved, and the use experience feeling of a user can be greatly improved.

The invention discloses a recycled automobile disassembly material composite material and a smell control method thereof, and belongs to the technical field of recycled plastic recycling. The material is prepared from the following components in parts by weight: 10-70 parts of polypropylene resin, 5-50 parts of an automotive trim disassembly regenerated polypropylene material, 10-17 parts of a toughening agent, 10-20 parts of inorganic filler, 2-10 parts of compound deodorizing master batch and 1-5 parts of a processing aid. According to the invention, by constructing a whole-process cooperative processing technology of normal-temperature salt-grinding cooperative cleaning-electrostatic separation-deodorizing master batch compounding-vacuum devolatilization, an integrated scheme of'source purification-process deodorizing-tail end devolatilization 'is formed; and the method is suitable for interior and exterior decoration injection molding parts such as automobile door panels, stand columns, bumper decoration parts, luggage compartment decoration plates and the like.

The invention relates to the technical field of lithium battery recovery, in particular to a multi-stage screening and electrostatic adsorption combined sorting system for waste lithium battery recovery, which comprises a multi-stage screening device, an electrostatic sorting device and a heating fan, and the heating fan is arranged on a conveying channel between the multi-stage screening device and the electrostatic sorting device. And heating airflow is conveyed into the conveying channel to heat and dry the particle materials flowing through the conveying channel. The conveying channel is arranged between the material outlet of the multi-stage screening device and the material inlet of the electrostatic separation device, and the heating fan is arranged in the middle section area of the conveying channel, so that hot airflow is conveyed into the conveying channel, and agglomerated particle materials containing electrolyte are scattered through airflow impulsive force and are fully heated and dried; and the electrolyte content in the particle material is reduced, so that the separation effect of the particle material in the electrostatic separation device is improved, and the separation purity is improved.

The present invention discloses an electrostatic separation and dust removal device for waste circuit boards and a process thereof, and the present invention relates to the technical field of dust removal for waste circuit board recycling and processing. The electrostatic separation and dust removal device for waste circuit boards comprises a bracket, a dust hopper fixedly connected to the upper part of the bracket, and a dust suction pipe connected to the upper part of the bracket. The dust suction pipe is provided with a replacement dust filter portion for automatically linearly replacing the filter element when dusting the circuit board. An immersion dust removal portion for moistening and dissolving dust for further collection is provided on the bracket and below the dust hopper. A cover assembly is detachably provided between the rectangular tube, the first strip through slot, and the second strip through slot. The present invention realizes the sequential rotation of the filter element by arranging multiple dust filter assemblies at equal distances and arranging them in sequence along the dust suction airflow direction. When replacing, only the first dust filter assembly that is saturated at the air outlet needs to be removed, and the remaining assemblies automatically move forward to replace the position under the action of their own weight, thereby simplifying the filter element replacement process.

The invention discloses a waste incineration fly ash washing liquid calcium chloride extraction system which comprises an air stripping tower, a pH adjusting tank, a filter press, a second-effect forced circulation evaporator, a first-effect forced circulation evaporator, a DTB crystallizer, a drying machine, a single-effect forced circulation evaporator, a fluidized bed, an electrostatic separator, a heating furnace and three groups of centrifugal machines, the three groups of centrifugal machines are respectively a first centrifugal machine, a second centrifugal machine and a third centrifugal machine. The method has the advantages that interference of impurity ions on follow-up salt separation is reduced through deamination pretreatment, particle characteristics are improved through high-temperature drying, surface charges are optimized through low-temperature complexing, accurate separation of potassium, sodium and calcium salts is achieved through electrostatic separation, and carbon emission is reduced by combining an ammonia gas recycling technology.

The invention provides a sea sand byproduct separating device which comprises a preliminary screening mechanism, a static applying mechanism, a static separating mechanism, a coarse sand conveying mechanism and a shell separating mechanism, the preliminary screening mechanism is arranged above the static applying mechanism, and the static separating mechanism is arranged at the front end of the static applying mechanism; the shell separation mechanism is arranged at the left end of the electrostatic separation mechanism, the coarse sand conveying mechanism is arranged at the right end of the electrostatic separation mechanism, the problem that an original separation device cannot well separate shells from grit is solved, a friction copper rod support is installed in the electrostatic applying shell, and an electrostatic driving motor is arranged on the side of the electrostatic applying shell; by means of the design, the outer surfaces of the fan blades can be cleaned conveniently, the problem that an original fan lamp is not provided with a cleaning structure is solved, and compared with the prior art, the fan lamp is reasonable in structure, convenient to combine and install, wide in application range and high in reliability.

This invention provides an electrostatic separation technology that prevents the accidental input of mixed plastics as raw materials into an electrostatic separation device. [Solution] The electrostatic sorting technology using an electrostatic sorting device, comprising a control device 301 which includes a user input acquisition unit 303 that acquires composition data entered by the user as user input, and a composition determination unit 304 that compares the user input with the composition data of the mixed plastic to be electrostatically sorted and determines whether or not the user input and the composition data of the mixed plastic to be electrostatically sorted are the same.

Electrostatic separator comprising: an electrification device (2) for moving a separation target material (11) containing a plurality of types of separation target particles (11a, 11b) to electrify each separation target particle (11a, 11b), the plurality of types of separation target particles (11a, 11b) having different electrification properties; an electric field generator (4, 5, 6) for applying the electric field to each separation target particle (11a, 11b) electrified by the electrification device (2) and causing each separation target particle (11a, 11b) to fall into a position corresponding to an electrified state of each separation target particle (11a, 11b); a collecting container (7) for collecting each separation target particle (11a, 11b) that has fallen from the electric field generator (4, 5, 6); a separating element (8, 9) which is movable in a predetermined direction in the collecting container (7), wherein the separating element (8, 9) divides the collecting container (7) into a plurality of collecting chambers (7a, 7b, 7c); and a controller (10) for controlling a position of the separation element (8, 9) in the predetermined direction, wherein the controller (10) samples a part of the separation target material (11) and measures a composition ratio between the plurality of types of separation target particles (11a, 11b), analyzes a change tendency of the composition ratio from a previously measured composition ratio and a currently measured composition ratio and controls the position of the separating element (8, 9) on the basis of an analysis result of the change tendency, wherein the controller (10) comprises: a measuring unit (20) for taking samples from a part of the separation target material (11) and measuring the composition ratio, a time series data generation unit (32) for arranging the previously measured composition ratio and the composition ratio currently measured by the measuring unit (20) in the order of measurement to generate time series data on the composition ratio, a time series data analysis unit (33) for analyzing the change tendency of the composition ratio from the time series data and estimating a current composition ratio estimate based on the analysis result of the change tendency, and a position control unit (40) for controlling the position of the separating element (8, 9) in the predetermined direction based on the current composition ratio estimated by the time series data analysis unit (33).