72results about "Fibre separation" patented technology

The invention discloses a method for preparing high-performance carbon microspheres based on classification of waste cotton textiles, which comprises the following steps: aiming at the waste cotton textiles which are accumulated in the open air and have obvious aging difference, firstly carrying out mechanical opening and impurity removal and photocatalytic decontamination pretreatment, and then sorting the aging degree through a carbonyl sensitive fluorescent probe and laser irradiation, so as to obtain the high-performance carbon microspheres. The heavily aged hydrophobic fibers and the lightly and moderately aged hydrophilic fibers are obtained. Treating the lightly and moderately aged fibers with an ionic liquid repairing system, and then preparing regenerated high-strength fibers by adopting magnetic control liquid crystal spinning; the heavily aged fiber is subjected to catalyst-free hydrothermal carbonization and gradient KOH activation pore expansion, and the graded pore carbon microspheres are prepared. According to the method, different aged fibers are accurately utilized, the performance of regenerated products is improved, pollution is reduced, and the resource utilization rate and additional value of the waste cotton textiles are increased.

The invention provides a foreign fiber sorting system and method with a quality tracing function, and the system comprises a first data collection device which is used for collecting the initial information of a cotton raw material; the second data acquisition device is mounted on the foreign fiber machine and is used for recording foreign fiber cleaning data of the cotton raw materials at the corresponding front end; the third data acquisition device is used for acquiring first foreign fiber residual data on the lap on the lap machine; the fourth data acquisition device is used for acquiring second foreign fiber residual data of the electronic yarn clearer on the winding machine; and the fifth data acquisition device is used for acquiring third foreign fiber residue data in the cloth on the cloth inspecting machine. According to the foreign fiber sorting system with the quality tracing function and the method thereof, the work and parameters of the system can be adjusted according to the foreign fiber content (missing foreign fibers in the past) of the rear-end process, and the raw material quality is evaluated by combining the raw material information of the front-end process (cotton formula and batch), so that the optimal raw material and proportion can be given; and the foreign fiber removal rate and the quality control of the whole spinning mill are improved.

The invention discloses a bimodal fusion intelligent cotton foreign fiber sorting system and method. The sorting system comprises a shell, an image collecting module, an image processing module, a conveying module and a removing module. The system specifically comprises an LED light source, a polarization camera, an RGB camera, an industrial personal computer, a camera support, a cotton flow channel, a spray valve control panel and a high-speed spray valve. Cotton flow enters the cotton flow channel through the cotton inlet pipeline, image data are transmitted to the industrial personal computer through the image acquisition module, a detection result is quickly obtained through algorithm processing of the image processing module, and the spray valve control panel drives the high-speed spray valve to remove foreign fibers according to the detection result. According to the invention, real-time detection and elimination of foreign fibers in cotton can be realized, and the detection speed and precision are greatly improved.

The utility model provides an efficient down feather multistage screening machine which comprises a down feather screening machine body, and the down feather screening machine body comprises a plurality of sets of grading screening units arranged in a stacked mode, grading screening plate structures arranged in the grading screening units and a feeding pipeline body arranged at the top end of the grading screening unit at the uppermost end. The classifying and screening unit is divided into upper-end classifying operation bins and classifying and discharging single bins, the upper portion of each upper-end classifying operation bin is provided with a material pressing and speed setting air opening set, the lower portion of each classifying and discharging single bin is provided with one or more single-layer material suction units, and the equipment can efficiently separate down feather and improve the feather separating efficiency; the machine adapts to treatment of down feathers of different types and characteristics, and the application range and flexibility of the machine are improved; the structural design of the pressing speed-setting tuyere group and the grading sieve plate is adaptive to down feathers with different thicknesses and densities, and the design of the single-layer suction unit ensures the separation effect and can carry out separate grading collection, so that the automatic production level is improved, and the utilization rate and the product quality of the down feathers are improved.

A method for reclaiming fibers from a textile made of cellulose / synthetic fiber blend, comprising adding the textile to a solution comprising molten salt hydrate (MSH) and an acid catalyst to form a reaction mixture in which cellulose fibers are fibrillated and depolymerized, terminating the reaction to obtain fibrillated and depolymerized cellulose, recovering the cellulose from the re-action mixture, and recovering the synthetic fiber.

The invention discloses woolen sweater leveling equipment with a fallen wool recycling function, and relates to the technical field of woolen sweater leveling equipment.The leveling equipment comprises a main body, a bending unit, a leveling unit, a wool removing unit, a negative pressure unit and a screening unit.When the leveling equipment works, woolen sweaters are placed on the leveling unit and conveyed by the leveling unit, and the woolen sweaters are conveyed by the negative pressure unit; woolen sweaters firstly pass through the bending unit, wool on the woolen sweaters is forwards deviated from the conveying direction through the bending unit, meanwhile, the wool on the woolen sweaters is bent at the roots through the bending unit, the physical fixing effect of the wool on the bent woolen sweaters is enhanced, then the wool on the woolen sweaters is leveled by the leveling unit, the wool falling rate of the woolen sweaters is reduced, and the woolen sweaters are prevented from falling off. The leveled woolen sweater is continuously conveyed, when the woolen sweater passes through the unhairing unit, broken wool on the woolen sweater is combed off by the unhairing unit, then the broken wool is sucked into the screening unit by the negative pressure unit to be screened, and the screening unit is responsible for collecting the fallen wool according to the length of the fallen wool, the length of the fallen wool and the length of the fallen wool so as to facilitate the development of subsequent procedures.

Textile fibers of different lengths are fractionated in a liquid medium at a predetermined consistency into at least two fractions on the grounds of the fiber length, the two fractions being a first accept and a second accept. The second accept, which has longer fibers than the first accept, is led to a refining step in the liquid medium, and the refined fibers are fractionated in the liquid medium into at least two fractions on the grounds of the fiber length.

A method (100) for processing fibrous matter from a waste material involves obtaining (101) the waste material, trimming (102) the waste material, pre-treating (104), second mechanical treatment (106), washing (108), first chemical treatment (110) with an enzyme and water solution, draining (112) the enzyme and water solution, heating (114) to obtain a fiber cake, providing (116) controlled shockwaves, a second chemical treatment (118), hydro-extracting (120) fiber cake, opening (122) the fiber cake, drying (124), pre-conditioning and softening (126), mechanically treating and segregating (128), softening (129), processing (130) to obtain a sliver and spinning (132) the sliver to obtain a product.

A recycled sheet generation system includes a detection section that detects a type of material included in a raw material, a fiber separation section that generates fibers by separating the raw material, a sheet production section that produces a sheet by depositing a mixture in which a treatment agent is mixed with the fibers generated by the fiber separation section, a printing section that prints on the sheet, a history acquisition section configured to acquire, as history, a sheet configuration component based on the type of material that is included in the raw material and that was detected by the detection section and a sheet production condition, and a registration section that registers the sheet configuration component and the sheet production condition in association with each other. The printing section prints an access destination for accessing the registered sheet configuration component and the sheet production condition in a predetermined region of the sheet.

The application provides a cotton cleaning machine working quality self-test control method based on multi-device cooperation, relates to the technical field of quality detection, and comprises the following steps: sequentially arranging a laser sensor, a CCD sensor and a photoelectric sensor; configuring an initial control parameter set, performing raw cotton motion control, and recording the raw cotton motion speed; collecting the laser sensor acquisition result, the CCD sensor acquisition result and the photoelectric sensor acquisition result, performing quality detection, and generating a quality detection result; generating a preset quality standard; when the quality detection result does not satisfy the preset quality standard, performing optimization adjustment, generating an optimized control parameter set and an optimized raw cotton motion speed; and adjusting and controlling the cotton cleaning machine. The application solves the technical problems that the prior art cannot comprehensively cover the key quality indexes in the raw cotton processing process, lacks real-time monitoring and regulation and control of the raw cotton quality, and results in poor production efficiency and product quality stability.

The utility model relates to the technical field of polyester-cotton blending length grading, and discloses a polyester-cotton blending raw material fiber length grading device which comprises a measuring scale, the left end and the right end of the measuring scale are fixedly connected with limiting supporting plates, and the tops of the limiting supporting plates are connected with distance measuring sliding blocks in a sliding mode. According to the utility model, the positioning insertion plates are inserted into the distance adjusting sliding plates, and the distance adjusting sliding plates and the positioning insertion plates are two in number and are symmetrically distributed left and right by taking the measuring ruler as the center, so that the distance adjusting sliding plates can be positioned after being adjusted to proper positions and are prevented from sliding; the fixed plate is fixedly connected with the bottom of the distance adjusting sliding plate, the distance adjusting screw rod is in threaded connection with the interior of the distance adjusting sliding plate, and the distance adjusting screw rod is located at the bottom of the distance adjusting sliding plate, penetrates through the fixed plate and extends into the fixed vertical plate. The whole device can be flexibly adjusted according to different measurement requirements due to the multi-level adjusting structure.

The invention provides a scutcher working quality self-test control method based on multi-device cooperation, and relates to the technical field of quality detection.The scutcher working quality self-test control method comprises the steps that a laser sensor, a CCD sensor and a photoelectric sensor are sequentially arranged; an initial control parameter set is configured, raw cotton motion control is executed, and the raw cotton motion speed is recorded; collecting a collection result of the laser sensor, a collection result of the CCD sensor and a collection result of the photoelectric sensor, and executing quality detection to generate a quality detection result; generating a preset quality standard; when the quality detection result does not meet the preset quality standard, optimization adjustment is carried out, an optimization control parameter set is generated, and the raw cotton movement speed is optimized; and the scutcher is adjusted and controlled. The technical problems that in the prior art, key quality indexes in the raw cotton treatment process cannot be comprehensively covered, and real-time monitoring and regulation of the raw cotton quality are lacked, so that the production efficiency and the stability of the product quality are poor are solved.

The long stapled cotton fiber sorting sieve is characterized in that a frame plate is fixedly connected to the middle of the right side of a feeding bin, a power supply base and a positioning base are embedded and fixed to the left side and the right side of the top of the frame plate respectively, sliding rails are fixedly connected to the bottom of the power supply base and the bottom of the positioning base, and electric sliding blocks are arranged at the bottoms of the sliding rails in a front-back sliding fit mode; universal balls are rotationally connected to the centers of the bottoms of the electric sliding blocks in an embedded mode, electric push rods are fixedly connected to the bottoms of the universal balls, and shifting plates are fixedly connected to the output ends of the bottoms of the electric push rods. According to the automatic sorting device, the cotton materials are kept in a uniform plane and enter the automatic sorting bin to be screened and classified, the situation that cotton materials are entangled and stacked to be ultrahigh, feeding is affected, cotton materials on the lower layer are covered, the sorting precision is reduced, and meanwhile impurity waste materials doped in the cotton materials are sorted out together, and the sorting quality is affected is avoided.

To provide a reproduction sheet generation system, a reproduction sheet generation method, and a program capable of improving convenience.SOLUTION: The recycled sheet generation system includes a detection unit that detects a type of a material included in a raw material, a defibrating unit that generates fibers by defibrating the raw material, a sheet manufacturing unit that manufactures a sheet by depositing a mixture obtained by mixing a treatment agent with the fibers generated by the defibrating unit, a printing unit that performs printing on the sheet, a history acquisition unit that acquires a sheet constituent component based on the type of the material included in the raw material detected by the detection unit and a sheet manufacturing condition as a history, and a registration unit that registers the sheet constituent component and the sheet manufacturing condition in association with each other. The printing unit prints an access destination for accessing the registered sheet constituent components and sheet manufacturing conditions in a predetermined region of the sheet.SELECTED DRAWING: Figure 1

The utility model discloses an auxiliary tool for manually sorting and carding goose down, which comprises a placing tank, a top plate is arranged above the placing tank, and a carding component for carding the goose down is arranged on the top plate; the carding assembly comprises an outer rotating cylinder which is rotatably connected to the top plate in a penetrating mode, a plurality of extension rods are arranged on the outer wall of the outer rotating cylinder, a fixing plate is arranged at the bottoms of the extension rods, and a plurality of double-row-tooth cleaning combs are arranged on one side of the fixing plate. According to the manual goose down sorting and carding auxiliary tool, mixed goose down can be carded through a plurality of double-row tooth cleaning combs and single-row tooth cleaning combs which can synchronously and reversely rotate through the carding assembly, so that the caked goose down can be subjected to impact force in different directions, the mixed goose down can be conveniently scattered and separated, and the later sorting efficiency is improved.

The utility model discloses a gradient density eiderdown sorting device relates to eiderdown processing equipment technical field, the utility model discloses a box body, the box body rear side fixedly connected with screening mechanism, the box body top fixedly connected with scattering mechanism. The utility model screening mechanism three layer inclined sieve plate design, realizes gradient sorting through different aperture, solves the problem that single -layer sieve plate can only simple screening, cannot fine grading, can accurate separation different density's eiderdown, and the vibrating mechanism of cam drive of inclination structure cooperation, utilize gravity and vibration double -action enhancement eiderdown fluidity, avoid the accumulation jam of planar formula sieve plate because of poor mobility, promote the sorting efficiency greatly, double -shaft motor passes bevel gear, worm and worm wheel drive cam rotation, and the spring reset is combined, then can make the stable and regular vibration of the sieve plate of board frame drive, ensure that eiderdown is evenly distributed on the screen surface, fully screens, further improve the sorting accuracy.

The invention provides a method and system for regenerating fibers from waste textiles, and relates to the technical field of textile equipment. The method comprises the following steps: firstly, slitting a waste textile raw material through a vertical crossing slitting unit to obtain a cloth piece with a preset size; then, auxiliary agent spraying and steam ageing treatment are carried out on the cloth pieces, so that cohesive force between fibers is reduced; then carrying out flexible pretreatment, gradually loosening a warp and weft yarn structure through a needling device, and carrying out preliminary opening; then, through the multi-stage opening and impurity removal step, the materials are converted into a single fiber state in combination with a material distribution mechanism; the fibers are atomized and humidified in the conveying or storage process so as to maintain the water content and the strength; then fully carding through a carding and fiber separating machine, and separating the single fibers into at least three types of long fibers, medium and short fibers and ultra-short fiber components according to the difference between the fiber length and aerodynamic characteristics; and finally, respectively collecting and packaging the fibers with different length components. According to the invention, high-valued cyclic utilization of the waste textiles is realized.

The invention relates to the technical field of down feather sorting, and particularly discloses large down feather automatic sorting equipment and method based on machine vision. Comprising a linkage long rod, a first connecting rod is fixedly connected to the outer side of the linkage long rod, a slender rod is fixedly connected to the end, away from the linkage long rod, of the first connecting rod, a small thorn block is fixedly connected to the outer side of the slender rod, and a second connecting rod is fixedly connected to the outer side of the slender rod. A plurality of small thorn blocks are arranged on the outer side of a long and thin rod to conduct tearing type fine crushing separation on down feather, and the situation that due to the fact that the down feather which is secondarily stirred and separated still can be locally wrapped, dust is mixed in the down feather and is difficult to effectively separate is avoided, and a long scraping rod rotating along with a linkage long rod conducts scraping type cleaning on the inner wall of an arc-shaped material plate. And excessive dust particles attached to the inner wall of the arc-shaped material plate are prevented from floating in the top-opening square shell along with stirring of the down feather and being sucked away.

The invention provides a regenerated sheet generation system, a regenerated sheet generation method, and a program product which can improve convenience. A regenerated sheet production system includes: a detection unit that detects a type of material included in a raw material; a defibrating unit for generating fibers by defibrating the raw material; a sheet manufacturing unit for manufacturing a sheet by depositing a mixture obtained by mixing a treatment agent with the fibers generated by the defibrating unit; a printing unit that prints on the sheet; a history acquisition unit that acquires, as a history, sheet components and sheet manufacturing conditions based on the types of materials included in the raw material detected by the detection unit; and a registration unit that registers the sheet components in association with the sheet manufacturing conditions. The printing unit prints an access destination for accessing the registered sheet components and sheet manufacturing conditions to a predetermined region of the sheet.

The utility model discloses a feather separator for down and feather products, and relates to the technical field of goose and duck down processing equipment, the feather separator comprises a fixed box, the front of the fixed box is fixedly connected with a material separating box I, the right side of the fixed box is fixedly connected with a material collecting box I, and the upper surface of the material collecting box I is fixedly connected with a material collecting box II. According to the down feather separating machine for the down feather products, under the action of the motor and the rotating shaft, down feather in an inner cavity of the filter screen cylinder can be dispersed and stirred through the stirring rods, and therefore qualified down feather can enter an inner cavity of the front portion of the second material separating box through small holes in the upper portion of the filter screen cylinder; and unqualified sheet-shaped down feather and impurities fall to the bottom of an inner cavity of the first material distribution box through large holes in the lower portion of the filter screen cylinder so that primary screening can be conducted, meanwhile, through the effect of a soft brush, the inner wall of the filter screen cylinder can be cleaned so that blocking can be prevented, meanwhile, clustered down feather can be dispersed, and therefore the screening efficiency is improved.

The invention provides a high-precision intelligent down feather separation method and system based on structural difference driving, and relates to the technical field of down feather separation. Dynamic humidification treatment is conducted on down feather raw materials, so that the water content of the surface layer of a material curtain is stabilized within a target range, then down feather in the material curtain is blown up through a high-speed air knife with a fixed angle, and the down feather separation efficiency is improved. The down feather flocculus moves upwards close to the upper wall and finally hovers in a channel above a wind field, a main wind flow in the center directly blows out feather stems, a hologram of a material curtain is shot through polarization laser, high-structure heterogeneous particles with the calculated confidence coefficient larger than a preset threshold value serve as candidate stem classes, a three-dimensional space coordinate point set of the candidate stem classes is output, and the high-structure heterogeneous particles with the confidence coefficient larger than the preset threshold value serve as the candidate stem classes. Quantitative high-voltage pulses are loaded according to the three-dimensional space coordinate point set, the candidate stems are made to deflect and taken away by airflow of the high-speed air knife, quality data of the down flowers are summarized into a report in real time to be transmitted back to a front-end control system, the atomized water amount, the air knife air pressure and the electrostatic voltage are fed back and adjusted, and closed-loop quality control from feeding to finished products is achieved.

The application discloses a method for preparing high-performance carbon microspheres based on waste cotton textiles, which is suitable for waste cotton textiles exposed to open air and having significant aging differences. The waste cotton textiles are pretreated by mechanical opening and impurity removal and photocatalytic decontamination, and then the aging degree is sorted by a carbonyl-sensitive fluorescent probe and laser irradiation to obtain severely aged hydrophobic fibers and lightly or moderately aged hydrophilic fibers. The lightly or moderately aged fibers are treated by an ionic liquid repair system, and then are spun into regenerated high-strength fibers by a magnetic control liquid crystal spinning process. The severely aged fibers are subjected to catalyst-free hydrothermal carbonization and gradient KOH activation and hole expansion to prepare hierarchical-pore carbon microspheres. The method realizes precise utilization of different aged fibers, improves the performance of regenerated products, reduces pollution, and improves the resource utilization rate and added value of waste cotton textiles.

The utility model relates to the technical field of cotton processing, in particular to a cotton foreign fiber sorting machine with a dust removal function, which comprises a sorting machine body and a mounting shell mounted on the surface of a discharge port of the sorting machine body, and further comprises a collecting box slidably arranged at the bottom of an inner cavity of the mounting shell, an extrusion plate is slidably connected to the inner cavity of the mounting shell, a fixing groove is formed in the surface of the extrusion plate, and a dust removal device is arranged in the fixing groove. A movable mechanism is mounted on the inner wall of the fixing groove, and a servo motor is bolted to the top of the mounting shell; under the cooperation of the mounting shell and the filtering mechanism, cotton can be blocked, air can be filtered under the action of the filtering mechanism, meanwhile, the cotton can be extruded under the cooperation of the servo motor, the extrusion plate and the movable mechanism, the cotton can be taken out conveniently, and the working efficiency is improved. And the applicability of the sorting machine during use is improved, and the problems that when an existing sorting machine is used, chippings and dust affect the surrounding environment, and cotton is inconvenient to take out are solved.

Systems and methods are provided that involve a subcritical water reaction to recycle the cellulose and polyester components of waste cotton and cotton / polyester blend textiles that would otherwise be discarded or disposed of. Specifically, the disclosed methods provide for treatment of the waste textiles to produce advanced materials including cellulose and terephthalic acid (TPA) with a low environmental impact. The cellulose and TPA that are produced are of a high quality allowing for production of regenerated cellulose and regenerated polyethylene terephthalate (PET) suitable for fiber spinning and textile applications.

The application discloses a wool separator and relates to the technical field of cashmere separation. The wool separator is sequentially provided with an inlet cylinder, a flow guide ring, at least one wool outlet bin and a cashmere outlet bin. The inside of the inlet cylinder is provided with spiral-shaped fan blades, the inner wall of the flow guide ring is provided with a plurality of spiral-shaped flow guide pieces, the bottom of the wool outlet bin is provided with a wool blocking device and a wool outlet, the inner wall of the cashmere outlet bin is provided with a plurality of spiral-shaped flow guide columns, the ventilation opening of the cashmere outlet bin is provided with a cashmere blocking ring, and the flow guide columns and the cashmere blocking ring are provided with a cashmere outlet at the bottom of the cashmere outlet bin. The wool separator can improve the quality and production efficiency of cashmere and shorten the process flow.

The utility model discloses a foreign fiber separating device for a foreign fiber machine in a textile mill, particularly relates to the field of fiber separation, and is technically characterized by comprising a device body, mounting blocks are symmetrically and fixedly mounted on the inner walls of the two sides of the device body, and a conveying device is arranged between the two mounting blocks; a collecting box is fixedly installed on the inner bottom wall of the device body, fixing grooves are symmetrically formed in the inner walls of the two sides of the collecting box, scraping devices are arranged in the fixing grooves, and two fixing blocks are symmetrically and fixedly installed on the upper end face of the collecting box. When the device is used, the device is simple to operate, fibers are adsorbed by the adsorption roller and scraped and collected by the scraper, the fibers are prevented from being mixed into textiles, the purity and quality of textile products are improved, impurities in the transmission belt are automatically cleaned by the cleaning device, the fibers are further prevented from being left on the transmission belt, abrasion is avoided, and the service life of the transmission belt and parts is prolonged. The equipment failure frequency is reduced, the maintenance cost is reduced, and the production efficiency is improved.

The utility model discloses a cotton sorting machine, and relates to the technical field of cotton processing devices. The device comprises a rectangular bottom plate and a sorting box fixedly connected to the top of the rectangular bottom plate, wherein a gathering mechanism and a scattering mechanism are arranged on the sorting box; a sieve plate is fixedly connected to the inner wall of the sorting box, an electric telescopic rod is fixedly connected to the top of the rectangular bottom plate, a box door is hinged to the front side of the sorting box, the gathering mechanism comprises a first supporting frame fixedly connected to an output shaft of the electric telescopic rod, and a motor is fixedly connected to the inner wall of the top of the first supporting frame. According to the cotton sorting machine, the gathering mechanism is arranged, so that the problems that in the process of scattering cotton materials by an existing cotton sorting machine, the cotton materials are inconvenient to gather to the scattering roller effectively, and part of the cotton materials cannot be in full contact with the scattering roller, so that the cotton materials cannot be scattered uniformly, the scattering degrees of the cotton materials are inconsistent, and the subsequent sorting effect is influenced are solved.

A recycled sheet generation system includes a detection section that detects a type of material included in a raw material, a fiber separation section that generates fibers by separating the raw material, a sheet production section that produces a sheet by depositing a mixture in which a treatment agent is mixed with the fibers generated by the fiber separation section, a printing section that prints on the sheet, a history acquisition section configured to acquire, as history, a sheet configuration component based on the type of material that is included in the raw material and that was detected by the detection section and a sheet production condition, and a registration section that registers the sheet configuration component and the sheet production condition in association with each other. The printing section prints an access destination for accessing the registered sheet configuration component and the sheet production condition in a predetermined region of the sheet.

The application provides a cotton foreign fiber separation device with negative pressure airflow electrostatic coupling, comprising a cotton inlet arranged at the top end of the separation device, and a channel arranged in the separation device and connected with the cotton inlet; one or more foreign fiber adsorption rollers are arranged in the middle of the channel, baffle plates are arranged on the upper and lower sides of the foreign fiber adsorption rollers, the baffle plates divide the channel into a cotton channel and a foreign fiber channel, a corona electrode for applying static electricity is fixedly arranged on the side wall of the cotton channel, the roller surface of the foreign fiber adsorption roller is provided with a plurality of air holes, the inner cavity of the foreign fiber adsorption roller is connected with a negative pressure air suction pipeline, and an air supplement opening is arranged on the wall plate of the separation device. The application has the beneficial effect that: the distance between the foreign fiber and the roller is shortened by forming a negative pressure on the roller surface, and the foreign fiber is fully adsorbed by applying static electricity to the foreign fiber through the corona electrode, so that the clever coupling adsorption effect of the electrostatic force and the negative pressure is realized, and the separation efficiency between the foreign fiber and the cotton is significantly improved.