372 results about "Wool fiber" patented technology

The invention discloses a wool type fiber spinning process precise control system and method, and relates to the technical field of fiber materials.According to the method, a perturbation gas injection groove is introduced into a spinning hole side structure, and gas injection parameters are collected in real time in combination with an MEMS micro-thermal film flow meter, a binocular infrared imager and other equipment; standardized preprocessing and feature extraction are carried out on gas injection data through a central control server, the directional deflection Odev can be accurately calculated, dynamic comparison and evaluation are carried out according to a deflection interval threshold value, and therefore the active regulation and control capacity on the initial deflection angle and the curling direction of fibers is achieved. Different from a traditional spinning process that fiber deflection completely depends on a mold, temperature or subsequent drafting disturbance, the method can construct a stable disturbance induction force field at the moment of fiber ejection, it is ensured that a fiber nascent path has consistency, directivity and predictability, and controllable guide conditions are provided for subsequent wool type structure construction.

The invention relates to a hemp and wool fiber drawing and drafting device and process using a single-skin plate for drafting. The device sequentially comprises a rear roller leather roller pair, a single-skin plate drafting mechanism and a front roller leather roller pair. The rear roller and leather roller pair comprises a rear roller and a rear leather roller; the front roller and leather roller pair comprises a front roller and a front leather roller; the single leather plate drafting mechanism comprises a rear leather plate roller, a front leather plate roller and a rear pressing roller corresponding to the rear leather plate roller, and the front pressing roller, the rear leather plate roller and the front leather plate roller are sleeved with a drafting leather plate. The rear compression roller, the front compression roller and the drafting leather plate have a synergistic effect, the elastic jaw is used for controlling fibers, the movement of short fibers can be controlled, the short fibers cannot be dispersed out of fiber strands, the evenness of output strands can be improved, the long fibers can be smoothly drawn out, and the situation that drafting cannot be achieved is avoided. The single-skin plate is adopted for drafting, fibers cannot be damaged, and due to the fact that the single-skin plate drafting structure is simple and can adapt to high speed, the sliver outlet speed can be increased, and the production efficiency is improved.

The invention discloses a wool fiber dyeing method based on an electrostatic spraying technology, and belongs to the field of spinning. The method comprises the following steps: firstly, preparing electrostatic dye liquor containing acid dye; then, the wool fabric is subjected to wetting pretreatment with water; fixing the pretreated wool fabric on a collecting device, and uniformly spraying the dye liquor onto the wool fabric through an electrostatic spraying technology; and finally, carrying out color fixation treatment through open-width steaming to obtain the wool fiber material dyed by the acid dye. The dyeing method greatly reduces the use of water resources and dyeing assistants, greatly reduces the generation of printing and dyeing wastewater, is a green and environment-friendly wool fiber dyeing technology, and has huge application potential in the textile printing and dyeing industry.

The invention discloses a washable easily-colored wool fabric treatment process, belongs to the technical field of wool fabric processing, and aims to solve the technical problem that the dyeing degree, the anti-felting performance and the color fastness of wool fabrics in the prior art need to be further improved. The method includes the following steps that disulfide bonds of wool fibers are opened through L-cysteine, the washable and easy-to-color wool fabric is obtained, the pretreated wool fibers prepared through the method are grafted with methoxy polyethylene glycol methacrylate under catalysis of hydrogen peroxide and horse radish peroxidase, modified wool fibers are obtained, and the washable and easy-to-color wool fabric is obtained. After the modified wool fibers are woven into the wool fabric, the wool fabric is respectively subjected to padding modification by using the modified dye solution and the finishing liquid, so that the degree of dyeing, the anti-felting performance and the color fastness of the wool fabric are improved.

The invention relates to the technical field of image processing, and discloses a woolen sweater intelligent production monitoring method and system based on the Internet of Things. The method comprises the following steps: acquiring a wool fiber three-dimensional point cloud through multispectral imaging and a space stereo matching algorithm, and analyzing the twist and crimpness of yarns through a gradient convolutional network to obtain a quality feature set; a high-speed acquisition system is adopted to obtain a knitting needle motion sequence, and a fabric structure map is obtained through a line enhancement algorithm. And constructing knit fault prediction based on the spatial-temporal characteristic network and the memory model, and obtaining a density uniformity index. And inputting the quality feature set and the density index into a fusion network, and performing multi-layer attention processing to obtain a quality evaluation model. And constructing an early warning system by using the depth map network, and generating a process optimization scheme. According to the method, comprehensive perception, dynamic early warning and intelligent optimization of the production process are realized, and the problems of incomplete data acquisition, inflexible parameter control, untimely quality early warning and the like in the prior art are solved.

The invention discloses a cashmere and wool identification method based on orthogonal matching pursuit. The method comprises the following steps: 1, collecting a near infrared spectrum matrix; 2, performing singular value decomposition on each near infrared spectrum matrix to obtain a spectrum matrix; 3, performing sparse reconstruction on the spectrum matrix to obtain a reconstructed signal; 4, dividing the plurality of reconstructed signals into a training set and a test set; 5, obtaining a tested classification model based on the training set and the test set; and 6, inputting the reconstruction signal of the to-be-tested fiber sample into the tested classification model, and outputting a classification result that the to-be-tested fiber sample belongs to cashmere or wool. The method comprises the following steps: performing singular value decomposition on a near infrared spectrum matrix to form a compressed spectrum matrix; sparse reconstruction is carried out on the spectrum matrix based on orthogonal matching pursuit, and distinguishing of cashmere and wool fibers is enhanced; a classification model is constructed based on an SVM model, and is used for solving the dichotomy problem of cashmere samples and wool samples.

The invention provides a heat-storage warm-keeping down-locking layered fabric and a down jacket. The heat-storage warm-keeping down-locking layered fabric sequentially comprises a skin-friendly layer, a liner cloth layer and a heat-storage warm-keeping down-locking layer from inside to outside, and the heat-storage warm-keeping down-locking layer is prepared by napping a heat-storage warm-keeping fabric; yarns for weaving the heat-storage and warm-keeping fabric are heat-storage and warm-keeping fiber / hollow polyester fiber / wool fiber blended yarns; the heat-storage warm-keeping fiber comprises polyester and a heat storage agent, and the preparation method of the heat storage agent comprises the following steps: firstly loading a polyethylene glycol / nano molybdenum disulfide composite material by adopting porous silicon dioxide microspheres, then mixing with a mixture containing silica sol and nano metal silver, and performing vacuum drying to obtain the heat storage agent. The heat-storage warm-keeping down-locking layered fabric has excellent heat-storage warm-keeping effects, can lock down, has a good antibacterial effect, and has a very good application effect when being used as a lining fabric of a down jacket.

The invention discloses slivering equipment based on cotton-type wool fibers, and relates to the technical field of slivering of cotton-type wool fibers, and the slivering equipment comprises a positive sliver guide device, a stretch-breaking device, a slivering device, a transmission device for driving each device, and an embedded electronic control system which are arranged in sequence. Stable and uniform conveying is ensured through closed-loop control of the active unwinding rotating disc and the tension sensor, static electricity is effectively restrained through the automatic spraying system, the full-anti-static rubber roller and the coiling disc, the spinnability is improved, soft and accurate fiber straightening and length control are achieved through double-set five-up-ten-down full-delta-shaped curve stretch-breaking combined with pneumatic pressurization, and the production efficiency is improved. Compacting slivering and antistatic large-diameter straight pipe coiling guarantee that fiber slivers are compact in structure and excellent in forming, an embedded electronic control system conducts digital precise regulation and control on key parameters such as tension, gauge, drafting and pressure, automatic stopping and automatic creeling are achieved when the slivers are broken, and finally the effects of high-quality wool top production, high production efficiency and high production flexibility are achieved.

The invention discloses a lignin degradable insect trapping plate and a preparation method thereof. The lignin degradable insect trapping plate comprises a plant long fiber substrate, a lignin waterproof barrier layer and degradable insect sticking glue, the plant long fiber base plate is paperboard or lamination base paper made of at least one of coniferous wood plant fibers, broadleaf wood plant fibers, bamboo pulp fibers, bast fibers and seed wool fibers; the lignin waterproof barrier layer comprises the following components in parts by weight: 80-95 parts of waterproof paint and 5-20 parts of lignin. The insect trapping board prepared by the invention can be degraded in the natural environment, does not cause pollution to the environment, utilizes natural brown of lignin to trap flies and mosquitoes, has an outstanding insect trapping effect, has relatively good strength and waterproofness, and is simple in preparation process and low in cost.

The invention relates to the technical field of building coatings, and discloses a method for preparing a heat-preservation and heat-insulation coating from waste rock wool fibers, according to the method, the waste rock wool fibers are subjected to sorting, crushing and screening pretreatment to obtain fiber particles of 0.5-5 mm, then a modifier solution containing a silane coupling agent and nano titanium dioxide is adopted for ultrasonic-assisted modification treatment, and the heat-preservation and heat-insulation coating is obtained. And drying at 80-120 DEG C to obtain the surface-activated modified rock wool fiber. And mixing the modified fiber with a film-forming substance, a filler, a functional additive and water, performing high-speed dispersion and sanding grinding until the fineness is less than 50 microns, and finally regulating and controlling the performance of the coating through a pH regulator and a rheological additive. According to the invention, the waste rock wool fiber is used as a main heat insulation filler, and through nano-composite modification and process optimization, the prepared heat preservation and heat insulation coating has stable physical properties, excellent heat insulation effect, good weather resistance and durability, so that the final product has excellent construction performance and stable heat insulation effect; the method has economic benefits and environmental protection values.

The present disclosure pertains to the biological field, specifically to a combination of 33 single nucleotide polymorphism (SNP) loci associated with the wool fiber diameter of fine wool sheep, determined using Ovis aries reference genome version 4.0. It also covers the use of reagents for detecting genotypes of these SNP loci in wool fiber diameter analysis or molecular marker-assisted selection of fine wool sheep. Additionally, it includes molecular probe combinations, gene chips, and kits based on the SNP loci. These tools facilitate early-stage wool fiber trait analysis, enabling individual selection, reducing generation intervals, accelerating breeding processes, and lowering costs. This disclosure provides crucial support for the identification, breed preservation, and molecular genetic breeding of fine wool sheep.

The invention discloses a nuclear radiation protective clothing fabric, and belongs to the technical field of nuclear radiation protection, the nuclear radiation protective clothing fabric is prepared by blending polyester fibers, Gd / PET fibers and wool fibers, the mass ratio of the polyester fibers to the Gd / PET fibers to the wool fibers is 80: (30-35): (15-20), and the polyester fibers are prepared by melt blending and spinning PBT and modified carbon nanotubes; the mass ratio of the PBT to the modified carbon nanotubes is 60: (6-8). Due to the introduction of the modified carbon nanotubes into the polyester fibers in the fabric, the fibers not only have uniform, lasting and efficient shielding performance, but also have lasting flame-retardant performance and antibacterial performance; gd is added into the Gd / PET fiber, so that the fiber has lasting and efficient nuclear radiation resistance, tensile property and thermal stability; the wool fiber is added, so that the fiber has better air permeability and has important application significance.

The invention discloses a circular knitting machine knitted fabric with moisture-absorbing and quick-drying composite functions and a preparation method thereof, and is characterized in that the fabric takes three-component blended yarns prepared from wool fibers, modal fibers and modified polyester supercool (10-15%: 10-15%: 70-75%) through a siro compact spinning process as surface yarns, and modified polyester supercool multifilaments as ground yarns, a blank fabric is prepared from a warp and weft plain plaiting weave structure, and then the blank fabric is prepared into a smooth blank fabric through dyeing and finishing processes such as two-bath dyeing, overfeeding setting and decating. The fabric has multiple excellent functions of moisture absorption, quick drying, bacteria resistance and bacteriostasis and ultraviolet prevention, is light, thin and soft, has no scratchiness, has wool fiber texture and luxurious luster on the surface, is good in air permeability and is suitable for knitting T-shirts and POLO shirts in spring and summer.

The invention discloses a wool knitted garment manufacturing process which comprises the following steps: S1, knitting weaving: weaving gray fabric by blending 60%-80% of superfine wool fibers, 10%-25% of natural environment-friendly fibers and 5%-15% of polyester fibers; s2, biological enzyme treatment, wherein environment-friendly biological enzyme is selected for treating the gray fabric; s3, ultrasonic-assisted dyeing treatment: washing and dyeing the gray fabric; s4, low-temperature drying and shaping: drying and shaping the dyed gray fabric; s5, performing preshrinking treatment, namely performing preshrinking treatment on the dried gray fabric; s6, after-treatment: carrying out after-treatment on the pre-shrunk gray fabric; s7, garment manufacturing, wherein the pre-shrunk gray fabric is used for garment manufacturing. According to the method, the damage to the wool fibers caused by traditional alkali shrinkage treatment can be avoided, and meanwhile, the natural and excellent characteristics of the wool fibers are reserved; the energy consumption can be reduced, the damage to fibers is reduced, and the dyeing efficiency is improved; the garment is more fit with the arc shape of a human body, and the garment is smooth and stiff when being worn.

The present invention relates to the technical field of aerogel fibers, and more specifically, to a heat-generating and heat-insulating nano-aerogel fiber and a method for preparing the same, comprising the following components: a composite aerogel, a modified wool fiber, and a phase change material. The addition of borides can absorb infrared radiation and convert it into heat energy, thereby improving the heating efficiency of the fiber; borides can also enhance the infrared emission capability of the fiber itself. When the fiber temperature rises, it can better dissipate heat in the form of infrared radiation, maintaining a warm environment around it. Vanadyl acetylacetonate can enhance the structural stability of the aerogel through synergistic effects with other materials, allowing it to maintain good mechanical properties under multiple cycles of compression, torsion, and other loads.

The invention provides a self-adhesive coating for silicon steel and amorphous alloy and a preparation method of the self-adhesive coating. The self-adhesive coating comprises the following components in parts by mass: 20-60 parts of epoxy resin, 10-20 parts of modified organic silicon resin, 1-5 parts of hyperbranched epoxy resin, 1-10 parts of a curing agent, 1-5 parts of aminosilane hydrolysate, 1-3 parts of a dispersing agent, 1-10 parts of rock wool fiber powder, 2.5-8 parts of an auxiliary agent and 40-80 parts of a solvent. Wherein the modified organic silicon resin is obtained by reacting octa-amino POSS (Polyhedral Oligomeric Silsesquioxane), trimethylolpropane triglycidyl ether and amino silicon oil. The compatibility among the components is optimized, the self-bonding effect of the product is greatly improved, the stability and weather resistance of the coating are also improved, the defects in the prior art are overcome, and good application prospects are achieved.

The invention discloses a method for preparing wool regenerated yarns, which comprises the following steps of: opening a pretreated waste wool textile to obtain regenerated wool fibers, mixing the regenerated wool fibers with functional fibers, blowing and carding, drawing, preparing into rough yarns, and performing ring spinning, low-torque spinning or compact spinning. The regenerated wool fibers with the content exceeding 30% are used, the application of the ring spinning technology and the low-torque spinning technology in regenerated fiber spinning is achieved, and the produced wool regenerated yarn is low in linear density, high in count, excellent in strength and elongation performance, small in hairiness amount, good in evenness and high in additional value. According to the method, the sustainable utilization value of the waste wool textiles is improved, beneficial reference is provided for high-added-value reutilization of the waste wool textiles, and meanwhile the requirement of the market for high-performance textiles is met.

The invention belongs to the technical field of textile fabrics, and particularly relates to a processing method of a high-whiteness cotton and wool blended fabric. The fabric is a cotton and wool blended product, and the wool content is 10-30%; the processing method comprises the following working procedures: (1) raw cotton is treated through the following procedures of blowing, cotton carding, pre-drawing, sliver lap forming, sliver combing and snapping, and cotton fibers are obtained; the method comprises the following steps: performing pretreatment bleaching on cotton fibers in a dyeing machine, and then sequentially washing, spin-drying and drying to obtain bleached cotton fibers; (2) baling the bleached cotton fibers, mixing the baled bleached cotton fibers with mercerized wool fibers, and then carrying out the following treatment processes of cotton carding, primary drawing, secondary drawing, roving, spinning and spooling to obtain bleached cotton wool yarns; (3) bleaching and dyeing the bleached cotton and wool yarns to obtain bleached yarns; and (4) weaving the bleached yarns to obtain a gray fabric, and carrying out after-treatment on the gray fabric to obtain the high-whiteness cotton and wool blended fabric. According to the invention, high whiteness value and low wool damage of the cotton and wool blended product are realized.

The invention relates to the technical field of thermal insulation materials, in particular to a bio-based polyurethane material and a preparation method thereof.The bio-based polyurethane material is prepared from, by weight, 60-80 parts of bio-based polyol, 5-10 parts of flame retardant, 2-6 parts of chain extender, 0.5-2 parts of surfactant, 1-5 parts of foaming agent, 5-15 parts of modified rock wool fiber, 0.1-1 part of catalyst and 100-110 parts of isocyanate. According to the bio-based polyurethane material provided by the invention, the bio-based polyol, the flame retardant, the chain extender and other components are combined with the modified rock wool fiber and the modified sunflower seed oil polyol, so that the technical problem that the mechanical property and the heat insulation property of the bio-based polyurethane material in the prior art are difficult to consider at the same time is solved; according to the material, a petroleum-based raw material is replaced by a bio-based resource, so that the mechanical property and the thermal insulation property are remarkably improved through the synergistic effect of fiber reinforcement and filler while the good flame retardant property is maintained.

The application provides a moisture-absorbing and heat-generating wool blended knitting yarn and a preparation method thereof, and belongs to the field of textile technology. Bamboo pulp fibers, modified polypropylene fibers, cotton fibers and modified wool fibers are sequentially subjected to the processes of grabbing, mixing, opening, feeding, rolling, carding, drawing and roving in a mass ratio of 20 / 30 / 20 / 20 to obtain the moisture-absorbing and heat-generating wool blended knitting yarn. The moisture-absorbing and heat-generating wool blended knitting yarn prepared by the application has the advantages of low cost, simple preparation method, good durability, anti-static performance, moisture absorption, sweat discharge, quick drying, antibacterial property, heat generation, warmth retention, aging resistance and the like, and has a wide application prospect.

The utility model discloses a wool carpet fiber directional arrangement device, relates to the technical field of fiber directional arrangement devices, and aims to solve the problems that the woven wool fibers are easy to misplace and cannot be effectively controlled due to the fact that yarns are dragged and pulled by an arranged winding device of an existing wool knitting machine for knitting, but the spacing of the knitted yarns cannot be effectively controlled. The machining device comprises a machining platform, a supporting base is integrally formed in the center of the upper end of the machining platform, two transverse positioning plates and two longitudinal positioning plates are integrally formed at the upper end of the supporting base, and erecting supporting columns are arranged on the two sides of the supporting base; the fiber penetrating holes are formed in the two transverse positioning plates and the two longitudinal positioning plates; and the lifting pedestal is arranged above the two erecting supporting columns, a cross beam rod is welded between the two erecting supporting columns, and an inner through groove is formed in the cross beam rod.

The invention discloses a wool fineness determination method and system based on deep learning, and belongs to the field of wool fineness determination, and the method comprises the following steps: S1, collecting a wool fiber image, and obtaining a data set; s3, obtaining fineness characteristics of wool; s4, constructing a convolutional neural network model, inputting the training set into the convolutional neural network model for training, inputting the verification set into the trained convolutional neural network model, and verifying and evaluating the convolutional neural network model by using cross validation; s5, inputting the test set into the verified convolutional neural network model, predicting the fineness of the wool fibers by using the convolutional neural network model, and outputting a fineness evaluation report; and S6, displaying and storing a result. By adopting the wool fineness determination method and system based on deep learning, wool fineness determination can be efficiently and accurately completed, the advantages of simple operation, non-contact measurement, reliable result and the like are achieved, and the automation level of wool detection is greatly improved.

The invention discloses an inorganic fiber composite board adhesive with high durability and environmental protection performance and a method, according to the adhesive, rock wool fiber powder and surface modified nanoparticles are combined to form an inorganic filler, a synergistic effect is achieved on a microstructure, and the hardness and wear resistance of the adhesive and the stability of a composite board are effectively improved. By adding the quaternary ammonium salt catalyst, the curing temperature is remarkably reduced, the production efficiency is improved, and complex environments are adapted. And the phosphorus-nitrogen composite flame retardant is adopted, so that the fireproof performance of the composite board is enhanced, a compact carbonized layer is formed in case of fire, and flame diffusion is prevented. And the internal structure of the plate is uniform and stable through the section-by-section heating and pressurizing process, and high-precision application is achieved.

The utility model particularly relates to the technical field of carpet processing, and discloses a shaping device for carpet processing, which comprises a working table, two portal frames are symmetrically and fixedly arranged on the surface of the working table, sliding grooves are formed in the side walls of the two portal frames, sliding blocks are sequentially connected in the sliding grooves in a sliding mode, and second air cylinders are fixedly arranged on the side walls of the portal frames. The output end of the second air cylinder sequentially penetrates through the portal frame and is fixedly arranged on the side wall of the sliding block, a first air cylinder is fixedly arranged at the top end of the sliding block, a movable support is fixedly arranged at the output end of the first air cylinder, and first sawteeth are fixedly arranged at the bottom end of the movable support. By arranging the portal frame, the sliding block, the first air cylinder, the movable support, the second air cylinder, the first sawteeth and the third sawteeth, the second air cylinder is started to drive the first sawteeth to horizontally move along with the sliding block, so that knotted miscellaneous wool fibers on the surface of a carpet are combed, and the fibers are erected to make contact with the second sawteeth and the third sawteeth to complete horizontal trimming. Therefore, the carpet shaping efficiency and quality are improved.

The utility model discloses an anti-static warp knitting screen cloth, which relates to the technical field of screen cloth and comprises a cloth layer formed by weaving anti-static fibers. A rough layer is arranged on the outer side of the cloth layer, and an antistatic coating is fixedly attached to the outer side of the rough layer. The anti-static fibers are formed by twisting conductive yarns, soft yarns and wear-resistant yarns, and the conductive yarns, the soft yarns and the wear-resistant yarns are different in thickness; the conductive yarns are carbon fiber yarns, the soft yarns are wool fiber yarns, and the wear-resistant yarns are polyester fiber yarns; the utility model has the advantages that the rough layer is arranged on the cloth layer so as to improve the adhesive force and enhance the connection strength when the antistatic coating is arranged; the anti-static fiber integrates conductive, soft and wear-resistant characteristics, so that the yarn can meet more diversified requirements and is rich in multifunctionality.

The application relates to a combing and drawing combined machine and process for ramie, flax tow and wool fibers, which comprises a plurality of wool type combers, a guide table, a plurality of guide rollers and a drawing machine; the plurality of wool type combers are arranged side by side, the surfaces of the output roller pairs of the wool type combers are provided with a plurality of grooves; the guide table is arranged in front of the plurality of wool type combers; the plurality of guide rollers are correspondingly arranged with the plurality of wool type combers and are rotatably installed between the metal guide rollers; the drawing machine is arranged on one side of the guide table and comprises a rear roller pair, a middle roller, a pressure roller and a front roller pair; the rear roller pair comprises a rear roller and a rear flat roller and forms a rear nip therebetween; the front roller pair comprises a front roller and a front flat roller and forms a front nip therebetween; the combing strips output by the plurality of wool type combers are directly combined and drawn by the drawing machine, and then the output strips are output, the number of subsequent drawing channels can be reduced, the process flow can be effectively shortened, and meanwhile the quality of the output strips can be ensured.

The utility model discloses a humidifying mechanism of a broken filament setting machine, which comprises a mounting table, the humidifying mechanism is mounted on the mounting table, and the humidifying mechanism comprises a sealing box, a supporting table, a pipeline, a connecting pipe, an atomizing humidifier, a humidity detector and a display. The air humidity of the field environment is low, the surroundings are dry, static electricity is easily generated among broken filaments on the wool tops in the environment, the broken filaments can be adsorbed together or adsorbed on a setting machine, the product quality of the wool tops is reduced, and the attractiveness is affected. And meanwhile, when broken filaments adsorbed on the setting machine are accumulated to a certain degree, the use of the equipment is also influenced.

The invention discloses a modified rock wool fiber base material fireproof thermal insulation composite board and a preparation method thereof, and belongs to the field of rock wool boards. The modified rock wool fiber base material fireproof thermal insulation composite board comprises the following components in parts by weight: 60-70 parts of basalt, 3-7 parts of diabase, 15-20 parts of blast furnace slag, 3-5 parts of dolomite, 0.5-1.5 parts of borax, 1-3 parts of silica fume, 8-12 parts of a modified emulsion and 4-7 parts of a binder. Through the chemical design of the modified emulsion and the collaborative optimization of the components of the composite board, the technical problems of low strength, high brittleness and high moisture absorption of a traditional rock wool composite board are solved, the comprehensive improvement of mechanical properties, water resistance and heat insulation performance is realized, and a high-performance integrated solution is provided for a building fireproof heat insulation material.

The utility model discloses shrink-proof woolen sweater fiber processing equipment, which relates to the field of clothing production and processing and comprises a supporting bottom plate, winding mechanisms are symmetrically arranged at two ends of the supporting bottom plate, a protective shell is arranged between the pair of winding mechanisms, and grid plates matched with the winding mechanisms are arranged at two ends of the protective shell. And a shrink-proof treatment device is arranged in the protective shell. Woolen sweater fibers are wound through the pair of guiding devices arranged outside the protective shell, the first supporting plates arranged in the devices are matched with the through grooves to distribute the wool fibers into the processing cavity, and the multiple guiding rods arranged in a matched mode guide and support the wool fibers. A part of wool fibers are displayed under the observation plate, at the moment, the upper surface and the lower surface in the device are heated through the arranged first electric heating pipe and the arranged second electric heating pipe, then water is sprayed out through the water spraying head, the environment in the processing cavity is kept in a humid and hot state, and the balance of the temperature of the shrink-proof wool processing environment is guaranteed.

The invention relates to a bio-based anthraquinone acid dye and a preparation method thereof, and belongs to the field of dye chemical industry and textile printing and dyeing. The anthraquinone acid dye containing bio-based amine or bio-based amino acid is simple in preparation method and can be used for dyeing wool fibers. The preparation method specifically comprises the following step: condensing bromamine acid with bio-based amine or bio-based amino acid under the action of a catalyst to obtain the bio-based acid dye. When the acid dye is used for dyeing wool fabrics, relatively high dye-uptake and good leveling property can be obtained, the fastness to washing, the fastness to rubbing, the fastness to light and the like of the fabrics are improved, and each color fastness reaches grade 4 or above. The acid dye disclosed by the invention is simple in preparation method, mild in reaction condition, easily available in raw materials and less in pollution, is a bio-based, green and environment-friendly product, and has dual effects of saving petroleum resources and protecting the environment.