10524 results about "Woven fabric" patented technology

A graphene-infused fabric is provided as a sound reducing acoustic layer for object such as a pickleball paddle. The graphene-infused fabric is made from polymer fibers, at least one of which is a graphene-infused polymer fiber. Graphene is blended into a polymer material, and fibers are manufactured from said material such as by extrusion. The graphene-infused polymer is combined with other fibers to be made into a woven or non-woven fabric.

A fireproof magnesium oxide board is prepared by mixing the following raw materials, the raw material names and weight parts are as follows: 80-100 parts of magnesium oxide; 20-30 parts of anhydrous magnesium chloride; 10-20 parts of modified expanded vermiculite foaming agent; 20-30 parts of aluminum silicate fiber; 5-10 parts of sawdust; 10-15 parts of fly ash; 8-12 parts of glass magnesium board crushed powder; 1.5-5 parts of non-woven fabric; 10-20 parts of water; wherein the modified expanded vermiculite is prepared by the following steps: (1) Vermiculite is incompletely expanded and calcined; (2) acrylic acid monomer, sodium hydroxide, acrylamide monomer, initiator potassium persulfate, crosslinking aid pentaerythritol polyglycidyl ether, incompletely expanded vermiculite, and water are taken, stirred evenly and ultrasonically dispersed to obtain a first reaction solution, which is placed in a reactor for reaction to obtain a gel material; (3) the gel material is preliminarily crushed and dried, and then further crushed in a ball mill to obtain a fire-resistant expanded vermiculite with water absorption performance.

The invention discloses an automatic testing device and method for multi-directional tensile strength of textiles based on constant tension, and relates to the technical field of tensile strength detection.The automatic testing device comprises a rigid rack system, and a high-elastic fabric optical response mechanism is integrated on a double-stand-column portal frame of the rigid rack system; the fiber damage process is reflected through the light transmittance of light to the fabric and the light spot change; the high-elastic fabric optical response mechanism comprises a sealing light insulation assembly, a light source assembly and an imaging assembly. The light source assembly comprises pulse LED light source arrays arranged at equal intervals in the fabric stretching direction, a lampshade and a transverse movement driving unit. The problems that in the prior art, when the tensile strength of a fabric is detected, only the limit value when a sample is completely broken can be recorded, and microcracks generated by step-by-step failure of fibers in the stretching process cannot be captured are solved. The device has the advantages that when the tensile strength of the fabric is detected, the fiber fracture process in the fabric is directly reflected through the change of light spots formed by light penetrating through the fabric, and the like.

The invention discloses a textile production defect detection method and system based on image processing, and belongs to the field of textile defect detection. According to the method, the point cloud data is generated by collecting the surface deformation stripes, and the penetrability reflection signal containing the sound wave propagation time is obtained through the multi-frequency ultrasonic probe. Denoising the point cloud data and then positioning a surface deformation candidate area based on a curvature gradient and a normal vector deflection angle; and an internal abnormal region is determined by separating and extracting a reflection wave amplitude value and a time delay parameter through an ultrasonic frequency band. And matching the surface point cloud coordinates with the ultrasonic propagation time by adopting an iterative nearest point algorithm to establish feature association between the normal vector deflection angle and the reflected wave amplitude. And dynamically distributing fusion weights for the surface features and the internal features according to the curvature gradient change rate and the amplitude attenuation rate to generate a multi-modal defect distribution diagram. And geometric shape and reflection intensity parameters are extracted and matched with a preset defect template to realize type and position judgment, and the method can be suitable for production defect detection of the thick textile with a multi-layer composite material structure.

The invention discloses a textile design optimization method based on artificial intelligence, and relates to the technical field of artificial intelligence, and the method comprises the steps: constructing a textile processing digital twinborn model; multi-modal data acquisition and feature fusion: providing data input by deploying a sensor array and fusing features; simulation and deduction are carried out based on a digital twinborn model, a diagnosis result of the state sensing module is used as model input, the predictive control module carries out advanced simulation and optimization calculation by using a prediction model, and the collaborative scheduling module realizes global optimization based on the model and outputs a precise control instruction; and executing the precise control instruction, returning the executed real data as feedback, and updating and correcting the S1 digital twinborn model to form a closed loop. According to the method, refinement, real-time adaptive optimization and efficient cooperative control of the textile processing process can be achieved, the processing quality and consistency are remarkably improved, the waste and defective rate is reduced, and the method has the self-evolution capacity.

The invention relates to the field of disposable hygienic products, in particular to a high-diffusion baby paper diaper and a preparation method thereof.The prepared baby paper diaper has the advantages of being good in flow guide effect and high in absorption efficiency. The absorption core layer comprises a top layer non-woven fabric, a middle non-woven fabric, a bulky non-woven fabric, a bottom layer non-woven fabric, a wood pulp fiber layer, a first absorption material layer and a second absorption material layer, the first absorption material layer comprises first polymer water-absorbent resin particles and first wood pulp fibers, and the second absorption material layer comprises second polymer water-absorbent resin particles. The second absorbing material layer is arranged between the bulky non-woven fabric and the bottom layer non-woven fabric, part of the second macromolecule water-absorbent resin particles on the second absorbing material layer are embedded in pores of the bulky non-woven fabric, and the first absorbing material layer is arranged between the bulky non-woven fabric and the middle non-woven fabric. And a part of the first high-molecular water-absorbent resin particles on the first absorbing material layer are embedded in pores of the bulky non-woven fabric.

The invention relates to the technical field of textile informatization and block chain encryption traceability, in particular to a textile quality block chain encryption traceability method, which comprises the following steps of: implanting quantum dot-nucleic acid mixed fingerprints into yarns in a spinning stage and generating distributed identities; in the production link, process data are collected in a trusted execution environment, and are packaged into an encrypted packet by using homomorphic encryption, zero-knowledge proof and threshold signature; and after a batch threshold value is reached, calculating a batch commitment and a fragmentation commitment, fragmenting through erasure coding, writing the commitment and the proof into the directed acyclic graph according to a fixed field, and confirming through a Byzantine fault-tolerant consensus. Consumer off-line fingerprint comparison and homomorphic verification can realize authenticity identification, and after networking, batch certification is verified and credits are pledged. And when the time lock expires, the historical quality data is decrypted by multiple subjects in a combined manner, and maintenance suggestion hash is generated and written into subsequent transactions, closed-loop tracing from production to maintenance is realized, and anti-counterfeiting, privacy protection and quality improvement are realized at the same time.

The invention relates to the technical field of textiles. The invention discloses a textile dyeing uniformity detection system, a detection method and a dyeing method. The device comprises a light source supply device which is arranged above a textile and is used for providing light sources with two wavelengths and generating monochromatic coherent light, a dielectric layer supply device for forming a uniform dielectric layer, a reflective light path device for splitting beams and guiding the beams to form an interference area, and an image acquisition device for acquiring interference fringe images, the angle adjusting device is used for adjusting irradiation and acquisition angles; and the image processing device is used for analyzing signals and identifying non-uniform dyeing areas and flaws. A high-precision detection system is constructed, the light source and the dielectric layer cooperate to realize micron-sized defect recognition, the visibility of interference fringes is improved to 0.8 or above, and the dynamic tension frame guarantees the precision. The reflective light path and angle adjusting device adapts to a complex environment, a detection method and a dyeing method are cooperated, and through pretreatment, quantitative analysis and multi-dimensional verification, the misjudgment rate is greatly reduced, and the detection speed adapts to production.

The invention provides a PVDF (Polyvinylidene Fluoride) nanofiltration membrane constructed on the basis of microwave-enhanced bridging interfacial polymerization as well as a preparation method and application of the PVDF nanofiltration membrane. The method comprises the following steps: reacting PVDF powder with an organic alkali to prepare a modified film-forming solution, blade-coating the modified film-forming solution on a non-woven fabric supporting layer, placing the non-woven fabric supporting layer in an ethanol-water or methanol-water coagulating bath, and preparing a PVDF supporting film by virtue of assistance of an ice template; weighing the functionalized nano material and an amino silane coupling agent, performing ultrasonic dispersion, and adding a catalyst for reaction to obtain dispersion liquid; immersing a PVDF support membrane into the dispersion liquid to obtain a modified membrane; immersing the modified membrane into an aqueous solution containing an amine monomer and an organic solution containing an acyl chloride monomer, and carrying out microwave radiation. The interface reaction rate and selectivity are enhanced through the microwave excitation effect, and meanwhile, the hydrophilicity and reaction activity of the PVDF base membrane are cooperatively regulated and controlled, so that the separation efficiency and the anti-pollution capacity of the membrane are remarkably improved. The obtained PVDF nanofiltration membrane has high flux, high selectivity and excellent structural stability, and is suitable for efficient purification and resource recovery application in a complex water system.

The invention relates to the technical field of air permeability testing devices, in particular to a non-woven fabric air permeability detecting device which comprises a bottom plate, a lower barrel fixedly connected to the bottom plate in a suspended mode and an upper barrel arranged above the lower barrel, an opening of the upper barrel and an opening of the lower barrel are oppositely arranged, a liftable bearing disc is arranged in the lower barrel, a vertical plate is fixedly connected to one side of the bottom plate, and the vertical plate is fixedly connected to the other side of the bottom plate. A C-shaped lifting frame is slidably connected to the vertical plate, a first linear module used for driving the lifting frame to ascend and descend is installed on the vertical plate, the upper portion of the lifting frame is fixedly connected with the upper barrel, and the lower portion of the lifting frame slidably penetrates through the side wall of the lower barrel and is fixedly connected with the bearing disc. Through cooperation of the rotating ring, the curved guide rail and the linkage mechanism, the multiple clamps synchronously move in the radial direction, multidirectional uniform drawing force can be applied when the cloth is clamped, the tension is monitored in real time in combination with the tension sensor, the stretching amount is accurately adjusted, and air permeability detection of the cloth under different stretching degrees is achieved.

A woven silt fence fabric includes two or more distinctly different colors of warp yarns in the machine direction. The woven silt fence fabric includes a first woven fabric portion to be installed in the ground having a first color that is distinctly different from a second color of a second woven fabric portion to be installed and remain exposed above the ground.

Disclosed are a high-barrier inflatable cushion and a preparation process therefor, which related to the technical fields of high-barrier inflatable cushions. The preparation process includes the following steps: material feeding, heating, vacuum counter-pressure molding, spray cooling, air cooling and drying, die-cutting, and thermal bonding. The high-barrier inflatable cushion comprises an airbag forming material and an airbag base material. The airbag forming material is prepared by laminating a TPU-EVOH composite with Lycra fabric, the TPU-EVOH composite has a total thickness of 0.4-0.8 mm, and the Lycra fabric has a gram weight of 150-230 g / m2. The airbag base material is prepared by laminating the TPU-EVOH composite with non-woven fabric, the TPU-EVOH composite has a total thickness of 0.1-0.3 mm, and the non-woven fabric has a gram weight of 60-80 g / m2.

The utility model relates to a non-woven fabric roll transfer device which comprises a vehicle body, a non-woven fabric roll placing box body and a box body turnover mechanism, the non-woven fabric roll placing box body is arranged on the top of the vehicle body, a V-shaped placing groove is formed in the non-woven fabric roll placing box body, and a non-woven fabric roll to be transferred is placed in the V-shaped placing groove. One side edge of the non-woven fabric placing box body is hinged to the side edge of the top of the trolley body, the box body turnover mechanism is arranged on the trolley body and connected with the non-woven fabric roll placing box body, and the non-woven fabric roll in the V-shaped placing groove is released by driving the non-woven fabric placing box body to turn over through the box body turnover mechanism. According to the non-woven fabric roll transfer device, stable transfer and automatic unloading of non-woven fabric rolls are achieved, the labor intensity of workers is reduced, and the transfer efficiency is improved.

The invention discloses a component global homogenized C / C-UHTCs composite material and a preparation method thereof.The preparation method comprises the steps that non-woven cloth is laid, then needling is conducted in the Z direction to obtain a carbon fiber preform, chemical vapor deposition is conducted on the carbon fiber preform to obtain a C / C composite material, molten salt infiltration treatment is conducted on the C / C composite material, a C / C-UHTCs porous body containing a UHTCs interface layer is obtained, and the C / C-UHTCs porous body containing the UHTCs interface layer is obtained; carrying out reactive infiltration treatment on the C / C-UHTCs porous body by adopting silicon-containing alloy powder to obtain a C / C-UHTCs composite material; the C / C-UHTCs composite material prepared by the preparation method provided by the invention has the advantages of extremely high density, extremely low porosity, no fiber damage, intact interface and uniformization of components, the mass ablation rate is a negative value after the C / C-UHTCs composite material is ablated by oxyacetylene flame at 2600 DEG C for 180s, and the C / C-UHTCs composite material has extremely excellent ablation resistance.

The invention relates to the technical field of data fusion, in particular to a textile production traceability-oriented data fusion method and system. The method comprises the following steps: obtaining textile production workshop sensing data and textile production workshop camera data, and carrying out textile production chain data stream data fusion to obtain a textile production chain data stream; performing feature cross calculation according to the textile production chain data stream to generate a processing technology enhanced feature space; performing fingerprinting on the textile production chain data stream to obtain a cross-chain time-space stamp fingerprint set; evaluating the batch production quality of the textile production line based on the camera data of the textile production workshop, and obtaining batch data of a to-be-traced production line and batch data of a to-be-stored production line; evaluating the abnormal batch dyeing optimization feasibility of the production line batch data to be traced; and transmitting the batch data of the to-be-stored production line and the batch data of the to-be-traced production line after the dyeing optimization task to a workshop warehouse management platform. The production efficiency is improved, and resource waste is reduced.

The invention discloses a high-moisture-absorption cool-sense chinlon 6 master batch and a fiber and a preparation method thereof, and belongs to the technical field of chemical fibers. The preparation method comprises the following steps: respectively crushing and grinding chinlon 6 powder, a moisture absorption modifier, cool powder, an antioxidant and a dispersing agent, mixing to prepare mixed powder, and carrying out quantitative feeding, melting and plasticizing, screw transmission and shearing, water-cooling pelletizing, vibration screening and forced air drying to prepare the high-moisture-absorption cool chinlon 6 master batch. The preparation method comprises the following steps: uniformly mixing dried high-moisture-absorption cool-sense chinlon 6 master batches and chinlon 6 slices, metering, mixing, extruding and melting, spraying out through a special-shaped hole spinneret plate to form tows, sucking monomers, bundling, oiling, stretching, sizing, and finally winding and spooling to obtain the high-moisture-absorption cool-sense chinlon 6 fiber. The preparation method disclosed by the invention is simple in process, the moisture regain of the prepared high-moisture-absorption cool-feeling chinlon 6 fiber can reach 5-8%, meanwhile, the high-moisture-absorption cool-feeling chinlon 6 fiber shows cool feeling and good air permeability and comfort, and a woven fabric is soft, skin-friendly and smooth in hand feeling.

The invention provides intelligent suspension conveying equipment for textiles, and relates to the technical field of textile processing. The intelligent suspension conveying equipment for the textiles comprises a supporting shell and a drag chain mechanism, the drag chain mechanism is composed of a motor and a chain wheel, the drag chain mechanism is arranged on the inner side of the supporting shell, a drag chain is arranged on the outer side of the drag chain mechanism, a plurality of bearing rolling shafts are connected to the outer side of the drag chain, a moving rail is arranged on the inner side of the supporting shell, and the bearing rolling shafts roll on the surface of the moving rail. The bearing rolling shaft is sleeved with a bearing sleeve, and the bearing rolling shaft is sleeved with the bearing sleeve in a sliding mode to correct the sagging angle. According to the intelligent suspension conveying equipment for the textiles, the moving track is arranged on the inner side of the supporting shell, and a bearing rolling shaft rolls on the surface of the moving track, so that the bearing rolling shaft cannot influence movement when being dragged by falling, and the effects that stable transportation is achieved, and the dragging chain cannot be derailed due to stress of a hook are achieved; the problem that when a hook is stressed, a transmission mechanism is stressed to derail is solved.

The invention relates to the technical field of synthetic leather, in particular to a preparation method of flame-retardant superfine fiber synthetic leather based on a water decrement technology. The method comprises the following steps: dipping pretreatment of PET / PVA sea-island fiber non-woven fabric in a polyvinyl alcohol aqueous solution, synthesis of a modified polyurethane emulsion with fluorine-containing chain modified melamine coated ammonium polyphosphate as a flame-retardant component, multiple padding and water decrement treatment of a composite base material, and sizing finishing by adding a softening agent and an antistatic agent. Through application of fluorine chain modified melamine, dissolution of flame-retardant components in the water decrement process is effectively prevented, meanwhile, the quality of a carbonized layer is improved, and the flame-retardant efficiency is improved. The obtained superfine fiber synthetic leather has excellent flame retardance, good washing resistance and mechanical properties, comfort and high moisture permeability, and is suitable for clothing and special fields with high safety and durability requirements.

The present application discloses a shapewear garment comprising an upper, middle, and lower portion, along with an abdominal compression panel. The upper portion wraps around the wearer's chest and upper back. The middle portion, positioned below the upper, comprises an abdominal and lower back covering. The lower portion extends around the wearer's front crotch area and buttocks. The abdominal compression panel, combined with the abdominal covering, has a higher modulus of elasticity than the other portions. A bust support area on the upper portion's outer surface features greater textile tension than surrounding areas.

The invention relates to the technical field of textile detection, in particular to a computer-aided textile color fastness prediction method, which comprises the following steps: acquiring multi-source data before and after a textile color fastness test through computer control equipment, including digital images, reflection spectrum data, process parameters and dye characteristic component data, carrying out pretreatment; extracting color difference features and spectrum similarity features, and screening by adopting a dimension reduction algorithm to form a core feature vector; a machine learning algorithm is adopted to construct a color fastness prediction model, parameters are optimized in combination with cross validation and an early stop mechanism, model fine tuning is executed, and a final optimization model is obtained; and outputting a color fastness grade prediction result, and carrying out spectrum similarity secondary verification. According to the method, objective, efficient and high-precision prediction of the color fastness grade of the textile is realized, and the problems of high subjectivity and low efficiency of traditional manual evaluation are solved.

The invention discloses a method and a system for identifying a spectrogram of a quaternary ammonium salt extracting solution in a textile, and relates to the technical field of material detection. Comprising the following steps: collecting different textile samples without quaternary ammonium salts and samples containing quaternary ammonium salts with different concentrations, determining extraction conditions, and extracting the quaternary ammonium salts to prepare a sample extracting solution; raman spectrums of all sample extracting solutions are collected, the spectrum containing the quaternary ammonium salt sample and the spectrum not containing the sample are divided into a plurality of sub-waveband areas, feature data are extracted, and the similarity is calculated. Based on the similarity change of the samples with different concentrations, defining the weight coefficient of the sub-band region; and performing similarity calculation on the spectrum of the to-be-detected textile extracting solution, and judging whether the to-be-detected textile extracting solution contains quaternary ammonium salt. And if not, further detecting by using Fourier transform infrared spectroscopy, and determining the quaternary ammonium salt concentration of the to-be-detected textile through the quaternary ammonium salt concentration prediction model. The calculation resources are reduced, and the detection precision and efficiency of the quaternary ammonium salt are improved.

The invention provides a textile surface defect detection method and system based on image features, and relates to the technical field of textile surface defect detection.The method comprises the steps that an RGB image of a to-be-detected textile is obtained and zoomed to 512 * 512 pixels, and then at least five semantic tags are output through a semantic segmentation model; the method comprises the following steps: adopting hyperspectral imaging with the wavelength of 400-1700 nm and the resolution of 10 nm, calculating the pixel reflectivity through a reflectivity formula, comparing the reflectivity of 5-8 characteristic wavebands, marking as a pollutant if the average deviation exceeds a threshold value, matching the type and position of a stain with a spectral angular distance, and after a standard sample and a semantic region are converted into an LAB color space, extracting a minimum rotation enclosing rectangle and dividing a grid, invalid pixels are filled with 3 * 3 neighborhood effective pixel weighted mean values, and a grid LAB mean value is calculated. A grid pollutant pixel corresponding to an image to be detected is filled with a standard sample in a mean value mode, then channels A and B are clustered through a sliding window, a pilling area is preliminarily judged according to the standard deviation of a channel L, and the pilling area is confirmed by combining the structured light three-dimensional point cloud and comparing with a threshold value.

The invention belongs to the field of functional textile materials, and provides a directional moisture-conducting, dry, comfortable, breathable and quick-dry fabric and a preparation method thereof. A three-layer composite structure design is adopted, the outer layer is a gradient wetting structure formed by attaching a thermoplastic polyurethane film subjected to single-face thermal orientation treatment and knitted fabric, the middle layer is a hydrophilic non-woven fabric, the inner layer is a knitted fabric subjected to hydrophilic finishing, and the two layers are compounded through a hot melt adhesive dot-shaped net. Hydrophilic blocks of the thermoplastic polyurethane film are directionally enriched through single-face contact heating, gradient distribution with one hydrophilic side and one hydrophobic side is formed, and the hydrophobic surface is coated with a low-surface-energy coating. The fabric has excellent one-way moisture conduction performance, moisture can be rapidly transmitted from the inner layer to the outer layer and rapidly volatilized, dryness and comfort of the close-fitting fabric are kept, meanwhile, the fabric has good air permeability and quick-drying performance, the moisture conduction rate is increased by 30% or above compared with that of traditional fabric, and the fabric is suitable for being popularized and applied. The fabric has wide application value in the fields of sportswear, outdoor equipment, leakage-proof underpants and the like.

The invention relates to a preparation method of a hydrophobic and oleophobic PTFE membrane, and belongs to the technical field of PTFE membrane preparation. Aiming at the problems that an existing PTFE membrane is difficult to construct a micro-nano multi-stage coarse structure and has a synergistic effect with low chemical surface energy, the hydrophobic and oleophobic properties are insufficient and the structural stability is poor, the key points of the technical scheme provided by the invention are as follows: firstly, carrying out ethanol ultrasonic cleaning on a PTFE base membrane of 20-30 microns, and carrying out vacuum plasma treatment to form a nano coarse structure and oxygen-containing polar group active sites; then, under the protection of nitrogen, immersing into an ethanol solution containing perfluorodecyltriethoxysilane, dibutyltin dilaurate and nano cellulose whiskers, carrying out hot-pressing compounding with PET non-woven fabric, carrying out heat treatment, and finally, coating with a fluorine-containing polymer nano fiber layer through an electrostatic spinning process; the composite hydrophobic layer with the synergistic effect of a micro-nano multistage coarse structure and chemical low surface energy is formed, the water contact angle is larger than or equal to 155 degrees, and the oil contact angle is larger than or equal to 130 degrees. The PTFE film prepared by the preparation method can be used in the fields of waterproof breathable materials, self-cleaning surfaces, oil-resistant packaging and the like.

The invention belongs to the field of flame-retardant finishing of textiles, and discloses a phytic acid-based flame retardant and a preparation method of a flame-retardant cotton fabric. Natural phytic acid, polyethylene glycol, melamine and metal salt are used as main raw materials, the environment-friendly characteristic of a biomass material is combined, an efficient and environment-friendly flame retardant is prepared, the prepared flame retardant is arranged on a cotton fabric through a traditional impregnation method, and the flame retardance and smoke suppression performance of the arranged cotton fabric are greatly improved. The method not only has a good flame retardant effect, but also avoids potential hazards of a traditional flame retardant to the environment and human health, and has a wide application prospect. The flame-retardant cotton fabric can be widely applied to the fields of household textiles, protective clothing, fire-fighting equipment and the like, and has remarkable economic benefits and social benefits. The invention not only provides an efficient and environment-friendly flame retardant preparation method, but also opens up a new way for application of biomass materials in the field of flame retardance, and has important scientific significance and practical value.

A computer-implemented method of training a machine learning model to predict textile composition and / or other textile characteristics. For each of a plurality of textiles, at least one multi-pixel patch is acquired, the at least one patch comprising a subset of multidimensional data that is measured by spectral analysis for each of the plurality of textiles. Additionally, for each of the plurality of textiles, data is obtained that indicates a ratio of fibres included in each textile and / or obtaining data that indicates other textile characteristics. Additionally, a textile dataset is created by associating the at least one patch for each of the plurality of textiles with the respective ratio of fibres and / or the respective other textile characteristics for each of the plurality of textiles. The machine learning model is trained with the textile dataset and the trained machine learning model is stored in a storage medium.

The invention relates to the technical field of microbial culture, and provides a culture device for agricultural microbial agent production and a use method, the culture device comprises a culture box, and the top of the culture box is hermetically and detachably provided with a box cover. According to the device, the air pump is controlled by the controller to be started, so that the air pressure in the closed space is increased, the air passes through the non-woven fabric and the polymer microporous membrane, more tiny bubbles can be generated under the action of the polymer microporous membrane, a nutrient solution flows and is mixed, and the stirring effect on the nutrient solution is achieved; a nutrient solution in the incubator flows into the culture dish through the liquid discharge pipe, so that the stirring of the nutrient solution and the injection of the nutrient solution into the culture dish to be mixed with a microbial inoculum can be completed without using more structural components, the operation is simple, and the condition of pollution caused by improper cleaning is avoided; therefore, the subsequent microbial agent culture effect is improved.

The utility model relates to the technical field of textile detection, in particular to a textile metal detection device which comprises a working frame, a blanking opening is formed in the right portion of the lower end of the working frame, a demagnetization structure is movably connected to the right portion of the lower end of the working frame in an inserted mode, and the demagnetization structure is located on the lower side of the blanking opening. A metal blanking frame is placed on the lower right portion of the working frame and located under the blanking opening, a lower end face metal adsorption structure is fixedly connected to the left portion of the front end of the working frame, the right portion of the lower end face metal adsorption structure is located in the working frame, and an upper side metal adsorption structure is fixedly connected to the middle of the rear end of the working frame. According to the textile metal detection device disclosed by the utility model, the lower end face metal adsorption structure, the upper side metal adsorption structure, the X-ray detection chamber, the demagnetization structure, the blanking port, the metal blanking frame and other components are arranged on the working frame, and under the mutual cooperation of the components, metals contained in textiles can be efficiently detected.

The invention belongs to the technical field of personal hygiene products, and particularly relates to a nursing wet tissue which comprises a non-woven fabric body and formula production liquid, and the front end of the non-woven fabric body is provided with an opening; the formula production liquid comprises the following components: glycerol, propylene glycol, menthol, PEG-40 hydrogenated castor oil, benzalkonium chloride, phenoxyethanol, an aloe vera leaf extract, citronella oil, eucalyptus oil, bisabolol, G2833 (S) Baogoli LW-210060 and the balance of deionized water, wherein the total percentage of the components is 100%. According to the nursing wet tissue, in a sports scene, the nursing wet tissue can be fixed during use through the design of the opening and is prevented from sliding off; volatile oil components in menthol and peppermint oil in the formula production liquid can penetrate into the skin and act on pores, the pores can be effectively shrunk, the aperture of the pores is reduced, and therefore the chance that external dirt and grease enter the pores is reduced.

The invention relates to the technical field of microfiber material preparation, in particular to a preparation method of an insulating flame-retardant automotive interior microfiber material, which comprises the following steps: spinning sea-island fibers by taking PA6 as an island component and LDPE as a sea component and matching with master batches; performing opening, carding, lapping, pre-needling by a pre-needling machine and needling by a needling machine on the sea-island fibers to prepare non-woven fabric; carrying out heat setting on the non-woven fabric; preparing insulating flame-retardant polyurethane slurry, infiltrating the heat-set non-woven fabric to enable the non-woven fabric to be fully impregnated, and then feeding the non-woven fabric into an aqueous solution of dimethylformamide to be subjected to water bath curing, so as to prepare a semi-finished synthetic leather product; extracting sea components in the sea-island fibers from the synthetic leather semi-finished product by adopting a stripping process; and drying the reduced superfine fiber synthetic leather base cloth, immersing the base cloth into a softening agent aqueous solution, and then carrying out drying and leather rubbing treatment to obtain the insulating flame-retardant superfine fiber leather. The product provided by the invention is used for external protection of an intelligent auxiliary driving steering wheel sensing layer, and the resistance of the microfiber material reaches 1.2 megohm or above.