42results about "Fibre separation" patented technology

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.

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.

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 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 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 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.

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.

The invention discloses a down feather sorting device integrating airflow sorting and classified screening. Comprising a support, a lower shell, an annular air duct, a second-stage separating screen, a first-stage separating screen, a discharging hopper, a fixing base, a first vibration motor, a discharging pipe, a material collecting barrel, a third-stage separating screen, a second vibration motor, an air blower, an air inlet pipeline, an air nozzle, a first material taking door, a second material taking door, a third material taking door and a discharging pipeline. The lower shell is fixedly connected with an annular air duct, the annular air duct is fixedly connected with an upper shell, the inner wall of the upper shell is fixedly connected with a first-stage separating screen, and a second-stage separating screen is arranged in the first-stage separating screen; the down feather sorting device integrating airflow sorting and classified screening is designed, compared with traditional manual sorting, the efficiency is higher, the sorting quality is more stable, a multi-stage sorting structure is combined, controllable ascending airflow is generated at the bottom, a three-stage gradient screen structure is matched, and a classified screening channel from bottom to top is formed.

The application discloses a bimodal fusion intelligent cotton foreign fiber sorting system and method, and belongs to the field of foreign fiber sorting technology.The sorting system comprises a shell, an image acquisition module, an image processing module, a conveying module and a rejection module, and specifically comprises an LED light source, a polarization camera, an RGB camera, an industrial computer, a camera support, a cotton flow channel, a spray valve control board and a high-speed spray valve.Cotton flow enters the cotton flow channel through a cotton inlet pipeline, image data is transmitted into the industrial computer through the image acquisition module, a detection result is quickly obtained through algorithm processing of the image processing module, and the high-speed spray valve is driven by the spray valve control board according to the detection result to remove foreign fibers.The application can realize real-time detection and removal of foreign fibers in cotton, and greatly improves the detection speed and accuracy.

The invention relates to the technical field of textile, in particular to a carding and wool selecting system which comprises a first wool feeding device, a second wool feeding device, a third wool feeding device and a fourth wool feeding device. The first impurity removing device is connected with a discharging opening of the first wool feeding device and is constructed to remove impurities contained in the raw materials; the sorting device is connected with the first impurity removal device and is configured to sort the raw materials; the sorting device comprises a sorting platform, a sorting flat curtain used for conveying raw materials is arranged on the sorting platform, and stations used for sorting of operators are further arranged on the two sides of the sorting platform. And the collecting device is connected with the sorting device, and is configured to collect the sorted cashmere, bag the cashmere and weigh the cashmere. According to the arrangement, all procedures are integrated, manual participation is reduced, opening and impurity removal are carried out before sorting, and the working environment of a sorting site is greatly improved.

A method (10) for material-specific fiber separation in textile recycling comprises the following steps: i) providing a fiber mixture with fibers from different fiber materials as a suspension (S18), ii) adding an additive to the suspension, and iii) separating fibers of one fiber material from the remaining fiber mixture by flotation. According to the invention, step iii) comprises step iii-a) (S30) of separating first fibers from a first fiber material from the remaining fiber mixture by flotation and step iii-b) (S36) of separating second fibers from a second fiber material from the remaining fiber mixture by flotation.wherein step ii) prior to step iii-a) comprises step ii-a) (S28) of adding a first additive to the suspension to modify the flotation behavior of the first fiber material and prior to step iii-b) comprises step ii-b) (S34) of adding a second additive to the suspension to modify the flotation behavior of the second fiber material, wherein the first and the second additive differ at least in their respective physical principles of action which underlie an interaction of the respective additive with the respective fiber material that modifies the flotation behavior of the respective fiber material.

The invention relates to the technical field of fiber processing, in particular to linen fiber separating equipment which comprises a main body unit, a fiber separating unit, a fiber separating mechanism arranged on a shell, a material guiding unit, a material screening mechanism arranged on the shell and a third driving mechanism arranged on the material screening mechanism and used for adjusting the distance between the material screening mechanism and the fiber separating mechanism. By arranging the fiber distributing and screening mechanism with the adjustable distance, the requirements for linen fibers in different initial states and the target fiber distributing fineness can be flexibly met, the problem that the fibers are excessively broken or the fibers are not completely distributed can be solved, and therefore the fiber distributing quality and the fiber utilization rate are improved, meanwhile, conical rods distributed in an annular array serve as fiber distributing components, and the fiber distributing efficiency is improved. By means of the design of the high-speed rotating fiber distributing mechanism, the fiber bundles are evenly stressed, efficient opening and carding of the crude fiber bundles are achieved, the fiber distributing efficiency is improved, meanwhile, the consistency of fiber fineness after fiber distributing is guaranteed, and the product quality can be further improved.

This invention discloses a badminton shuttlecock production process and a badminton shuttlecock prepared using this process, relating to the field of sporting goods. The process includes the following steps: S1, cleaning the feathers: collecting and sorting the feathers and placing them in a pre-treatment device for cleaning and drying. During the cleaning process, the feathers are dyed and bleached using an indigo dye solution within the pre-treatment device; S2, rinsing and sorting the feathers: rinsing the cleaned feathers into individual feather pieces; S3, drilling holes in the shuttlecock head and inserting feathers: drilling a ring of holes in the end face of the shuttlecock head and inserting the feathers one by one into the holes; S4, binding with thread; S5, labeling and packaging. This invention involves briefly immersing the cleaned feathers in a low-concentration indigo dye solution. Indigo produces a visual effect that makes the originally white feathers appear brighter and purer; that is, the pale blue dye enhances the reflection of white light, making the feathers appear whiter and reducing the likelihood of yellowing.

The utility model relates to down processing technical field, and disclose a kind of down processing feather separating device, including blast structure and separating structure, separating structure is installed on the inner wall of blast structure, blast structure includes shell, and the inner wall on the bottom both sides of shell is fixedly connected with spray pipe, the inner wall on the front of shell is fixedly connected with visual glass, and the inner wall of shell and visual glass is rotatably connected with rotating rod, and the outer wall of rotating rod is rotatably connected with stirring wheel, and the outer wall on visual glass bottom side is provided with ventilation groove.The utility model is provided with spray pipe and visual glass, gas is sprayed upward by the spray head of spray pipe obliquely upper side, and the feather floating in the main cavity of shell is blown upward by the angle of spray pipe obliquely front, finally through motor drive rotating rod rotation, rotating rod rotation drives stirring wheel to stir feather to make complete separation, and feather is circulated and blown to visual glass by spray pipe and visual glass cooperation, and the separation of lump feather is moved and discharged by wind power movement.

The utility model relates to the technical field of cotton processing equipment, and discloses ginned cotton foreign fiber cleaning equipment which comprises a shell, a feeding pipe is fixedly connected to the upper surface of the shell, a filter plate is fixedly connected to the side portion of the inner wall of the shell, and a conveying roller is rotationally connected to the side portion of the inner wall of the shell. A conveying pipe is fixedly connected to the side portion of the shell, a cleaning device is fixedly connected to the side portion of the conveying pipe, an impurity discharging pipe is fixedly connected to the side portion of the cleaning device, a discharging pipe is fixedly connected to the side portion of the cleaning device, and a carding device is arranged on the inner wall of the shell. The cotton can make contact with the outer surface of the dredging piece when passing through the outer surface of the rotating roller, the arc-shaped protruding strips are arranged on the outer surface of the dredging piece, the dredging piece rotates in the mounting hole, and the cotton enters the cleaning device through the conveying pipe to clean foreign fibers after being fluffy.

This application relates to a method for processing textile fibers of different lengths, comprising grading the fibers into at least two fractions according to fiber length in a liquid medium at a predetermined concentration, the two fractions being a first sizing and a second sizing; guiding the second sizing (whose fibers are longer than those of the first sizing) to a refining step in the liquid medium; and grading the refined fibers into at least two fractions according to fiber length in the liquid medium.

The invention provides a sorting and purifying method for down feathers, which comprises the following steps of: suspending and dispersing pretreated down feathers in a vertical channel by using horizontal laminar flow, synchronously detecting the form, color and chemical composition multi-dimensional characteristics of the down feathers falling down through machine vision and near infrared spectrum, and identifying the types of the down feathers in real time according to a preset model. An airflow nozzle array composed of piezoelectric ceramic high-speed valves is controlled, precise pulse airflow is emitted to blow non-target down feather away from a main track, and after branch collection, system parameters are fed back and adjusted through online purity detection. Multi-dimensional perception and fixed-point airflow removal are fused, the problems that traditional winnowing precision is low, the labor efficiency is poor, and internal quality cannot be identified through single photoelectric sorting are solved, and high-purity, high-efficiency and low-damage intelligent sorting of down feather is achieved.

A system for recycling textiles includes: a classification module configured to automatically remove offcuts and classify textiles as a textile stream; the first decoloring system is configured to receive the non-black and white cotton fabric flow and provide a decolored cotton fabric flow; the drying and disinfecting system is configured to provide a disinfected cotton fabric flow and a disinfected polyester fiber fabric flow; a second decoloring system configured to provide a semi-decolored cotton / polyester blend stream; a fabric separation system configured to provide pure polyester fibers; a decoloring system configured to provide a decolored polyester fabric stream; a cotton fiber recycling system configured to receive a decolored or black or white and disinfected cotton fabric and a disinfected denim fabric stream; and a polyester fiber recycling system configured to receive a decolored or black or white and disinfected polyester fabric stream.

The efficient dust removal and separation device comprises a main machine body, a dust removal and separation box is arranged on one side inside the main machine body, an upper box body is arranged at the upper end inside the main machine body on one side of the dust removal and separation box, and a lower box body is arranged inside the main machine body below the upper box body. A side box body is arranged in the main machine body on the side, away from the dust removal separation box, of the upper box body, a separation screen frame is arranged on the inner wall of one side of the upper box body, one end of the separation screen frame extends into the dust removal separation box, and an air exhaust cover is arranged on the outer wall of the side, away from the dust removal separation box, of the separation screen frame; an activated carbon filter screen is installed in the purification box, and an exhaust pipe is arranged on one side of the top end of the purification box. According to the down feather dust removal and separation device, the phenomenon that the exhaust fan is blocked is reduced, the down feather dust removal and separation effect is guaranteed when the dust removal and separation device is used, the phenomenon that the down feather is caked is reduced, and the down feather is easily subjected to dust removal and separation operation.

The present invention relates to an integrated recycling and spinning machine (300) and method for manufacturing yarn directly from textile waste, comprising: a recycling unit (301) that is configured to recycle textile waste material into recycled fiber material and is integrated with a drawing unit (302) and spinning unit (303) that are configured to manufacture a recycled fiber sliver and therefrom a yarn containing the recycled fiber material. The invention also relates to a method for integrated recycling and spinning of textile waste materials into a yarn by using the integrated recycling and spinning machine (300) as disclosed herein.

The invention relates to the technical field of spinning wool screening machines, in particular to a wool screening machine for processing spinning products, which comprises a shell, a plurality of long screen plates for splicing to form a semi-screen drum are arranged in the shell, a row of long screen plates for feeding are arranged at one end of the semi-screen drum, and a row of long screen plates for discharging are arranged at the other end of the semi-screen drum. In the process of screening the fiber materials, the fiber materials are filtered through the small-size screen holes firstly, then screening is carried out by gradually increasing the size of the screen holes, the size of the screen holes in the long screen plates supplemented into the semi-screen drum is gradually increased, and the size of the screen holes in the screening portion of the groove bottom of the semi-screen drum is set by controlling the number of the supplemented long screen plates. In addition, the size of the screen holes in the initial screening work can be changed and set, after setting is completed, in the fiber material screening process, the size of the screen holes is gradually increased, the size of the screen holes can still be adjusted and set after screening is completed, and therefore the grading screening work is diversified.

The utility model relates to fiber sorting technical field especially, it is a kind of blowing mechanism for fiber, including frame, frame is set conveying belt, the top and the bottom of the discharge end of conveying belt are respectively set limiting roller and pulse airflow mechanism;Pulse airflow mechanism includes the air pump in the frame one side, air pump is set in the top of gas cylinder, the gas outlet pipe of gas cylinder top is connected pulse valve, pulse valve is connected the bottom surface of gas outlet cylinder by pipeline, gas outlet cylinder is parallelly set in the discharge end below of conveying belt, the top of gas outlet cylinder is evenly provided with multiple gas holes, the gas that gas hole blows carries out blowing separation to the fiber that conveying belt conveys, this blowing mechanism adopts pulse airflow mechanism design, by controlling the blowing time and interval of pulse valve, cooperate the even distribution of gas hole on gas outlet cylinder, make gas be able to accurately carry out blowing separation to the fiber on conveying belt, and the effect of fiber layering separation is good.