4647 results about "Dyeing" patented technology

The invention relates to the technical field of intelligent control, and discloses a dyeing process optimization method and system based on intelligent control. The dyeing process optimization method based on intelligent control comprises the following steps: acquiring key parameters of a dyeing process to obtain an original data set; performing preprocessing and feature extraction on the data set to obtain a feature data set; constructing a deep learning prediction model by using the feature data set, and executing multi-objective optimization through a non-dominated sorting genetic algorithm to obtain an optimal process parameter combination; and performing scheme analysis based on the optimal parameters to obtain an intelligent dyeing scheme. Multi-parameter collaborative optimization of the whole process of the dyeing process is realized, dependence on human experience is reduced, dyeing quality consistency is improved, self-learning and self-adaptive capabilities are achieved, optimization strategies can be automatically adjusted according to different fabric characteristics and production conditions, and production efficiency is improved. Therefore, the problems of large quality fluctuation, high energy consumption, poor adaptability and the like in the traditional dyeing process are solved.

The invention provides an auxiliary conveying parameter automatic adjusting method and system for yarn dyeing, and relates to the technical field of yarn dyeing, and the auxiliary conveying parameter automatic adjusting method comprises the steps that a dyeing process parameter template is configured; initializing dyeing equipment; activating a monitoring sensor in the dyeing equipment, and collecting yarn data; in-tank flow analysis is carried out on the dyeing tanks, region segmentation results are established, and linkage sensors are configured respectively; establishing a response parameter standard by using real-time yarn data and a dyeing process parameter template; and generating a time sequence micro-assistant release strategy, and automatically adjusting assistant conveying parameters. The technical problem that in the prior art, due to the fact that flowing in the dyeing tank is uneven, the auxiliaries are excessive or insufficient, and the control precision of the conveying parameters of the auxiliaries for yarn dyeing is further affected can be solved, and the control precision of the conveying parameters of the auxiliaries is improved by automatically adjusting the conveying parameters of the auxiliaries through flowing analysis and area segmentation.

The invention relates to the technical field of cloth dyeing uniformity detection, in particular to a cloth dyeing uniformity detection method and system based on image analysis, and the method comprises the steps: building a three-dimensional optical response model according to the optical characteristics of a fluff cloth fiber material; calculating to obtain a villus shadow intensity distribution diagram according to the linear polarization degree image data, and calculating to obtain a theoretical artifact reflectivity distribution diagram through a three-dimensional optical response model according to the villus shadow intensity distribution diagram and the surface normal vector mapping data; extracting an actual measurement reflectivity distribution diagram from the hyperspectral image data, and performing differential operation on the actual measurement reflectivity distribution diagram and the theoretical artifact reflectivity distribution diagram to obtain a real dyeing component diagram; dividing villus unit grids on the real dyeing component graph, and calculating a spectral fingerprint variance value of pixels in each villus unit grid; and when the spectral fingerprint variance value exceeds a preset process tolerance threshold value, judging that the corresponding fluff unit grid has a real dyeing defect. And the identification precision of the dyeing defects of the fluff cloth is effectively improved.

The invention provides automatic dyeing equipment for biological tissue sample slices, which comprises a feeding mechanism, a feeding and discharging buffering mechanism, an automatic dyeing mechanism, a reagent adding mechanism, an after-dyeing drying mechanism, a reagent storage mechanism and a main console, the main console is in control connection with the feeding mechanism, the feeding and discharging buffering mechanism, the automatic dyeing mechanism, the reagent adding mechanism, the after-dyeing drying mechanism and the reagent storage mechanism, the feeding mechanism is provided with a plurality of microscope glass slide vertical placing supports, the automatic dyeing mechanism is provided with a dyeing groove, and the dyeing groove can be filled with a dyeing reagent and is matched with the microscope glass slides; the reagent adding mechanism can automatically add and supplement a dyeing reagent to the dyeing tank, the reagent storage mechanism can add and supplement the dyeing reagent to the reagent adding mechanism, and the post-dyeing drying mechanism is matched with the feeding and discharging temporary storage mechanism and the automatic dyeing mechanism. The microscope glass slide has the beneficial effect that the risk of cross contamination between microscope glass slides filled with biological tissue sample slices can be avoided.

The invention discloses a plant three-dimensional reconstruction method and a related device, and relates to the technical field of computer vision, the method executes multiple iterations to update a Gaussian ellipsoid set, when a color image under each view angle is rendered in each iteration, the depth value of each key point is obtained based on a depth image, and the color image at each view angle is rendered. The depth weight of the target Gaussian ellipsoid is obtained based on the depth value, the depth weight is inversely correlated with the depth value, that is, the contribution of the Gaussian ellipsoid with the small depth value to color rendering is improved, depth information distinguishing of a fine region is enhanced by introducing the depth weight, the contribution of Gaussian ellipsoids of different depth levels to rendering dyeing is accurately controlled, and the color rendering efficiency is improved. Therefore, the geometric accuracy and layering sense of three-dimensional reconstruction of the plant are improved, and the reduction degree of the three-dimensional reconstruction model to the plant is further improved.

The invention relates to a composition comprising at least one particular dyeing base, at least one particular coupler, and at least one fatty substance, the total content of fatty substance being greater than or equal to 30% by weight, relative to the total weight of the composition.

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 relates to the technical field of dye synthesis, and particularly discloses a 5-substituted amino-5 '-acetamido-3, 3'-dipyridyl derivative as well as a preparation method and application of the 5-substituted amino-5 '-acetamido-3, 3'-dipyridyl derivative. The structure of the 5-substituted amino-5 '-acetamido-3, 3'-dipyridyl derivative is as shown in a formula (I) in the specification, according to the application, N-acetyl blue is used as a parent for modification, and different derivative structures are introduced to amino groups, so that the novel bipyridine dye, namely the 5-substituted amino-5 '-acetamido-3, 3'-bipyridine derivative, is obtained. The 5-substituted amino-5 '-acetamido-3, 3'-dipyridyl derivative has higher color development intensity, and has the advantages of comprehensive color fastness, water washing resistance, acid resistance, sublimation resistance, wet friction resistance, excellent performance and the like when being applied to fabric dyeing.

The invention discloses a woolen sweater dyeing machine, and relates to the technical field of woolen sweater dyeing equipment.The woolen sweater dyeing machine comprises a shell, a dyeing mechanism is arranged at the bottom of the inner side of the shell, a shielding and guiding-out mechanism is arranged on the outer side of the dyeing mechanism, and a power unit is arranged at the top of the inner side of the shell; a woolen sweater bearing mechanism is arranged at the bottom end of the power unit, and a blocking mechanism is arranged on the outer side of the power unit. After dyeing is completed, waste dyeing liquid can be discharged and woolen sweaters can be discharged synchronously, in addition, in the woolen sweater discharging process, residual dyeing liquid can be removed through centrifugal force, the waste dyeing liquid is prevented from entering the working environment to cause pollution, in addition, the discharging process is higher in automation degree, and manual discharging is not needed.

The invention discloses a method for preparing regenerated flame-retardant high-shrinkage polyester by a methanol alcoholysis method, and belongs to the technical field of polyester. The method comprises the following steps: (a) mixing the waste polyester fabric with methanol, and carrying out catalytic depolymerization to obtain a regenerated DMT mixed solution; (b) carrying out impurity separation and methanol recovery treatment on the regenerated DMT mixed solution, and then carrying out cooling crystallization, centrifugal drying and rectification purification treatment to obtain pure DMT; (c) carrying out transesterification on pure DMT, ethylene glycol, a transesterification catalyst and a DEG inhibitor; (d) after the ester exchange reaction, adding CEPPA-EG and IPA-EG for copolymerization; adding a polymerization catalyst, a stabilizer and an antioxidant for polymerization reaction to obtain a modified polyester melt; and (e) granulating and drying to obtain the slices. The regenerated polyester prepared by the method has multiple functions of flame retardance, high boiling water shrinkage, low-temperature dyeing and the like, and is suitable for the fields of high-end clothing, automotive trim, electronic packaging materials and the like.

The invention discloses a dyeing method of an ornamental blue dye, and relates to the dyeing method of the ornamental blue dye, through combination of plasma treatment and boiling-off, fiber impurity diseases can be effectively removed, the surface activity is enhanced, the adsorption uniformity and permeability of the dye are improved, and tiny pits exist on the fiber surface subjected to plasma treatment, so that the dyeing quality is improved. Compared with the prior art, the method has the advantages that when the dye is dyed, the molecular structure is changed, the roughness is higher, the dip dyeing firmness of the dye is improved, and the fiber damage can be reduced and the dye utilization rate can be improved on the premise of ensuring the dyeing effect by optimizing the components of the ornamental blue dyeing solution and the pretreatment solution. Besides, by means of segmented treatment in the dyeing process, dye can be promoted to fully permeate into the fibers, dyeing defects are reduced, the dyeing firmness is improved, finally, microwave is used for assisting color fixation, bonding of the dye and the fibers is further increased, the color fixation time is shortened, and meanwhile the coloring firmness is obviously improved.

The invention relates to cloth printing and dyeing defect visual detection equipment, and belongs to the technical field of cloth detection. The invention aims to solve the problems of poor shooting effect and low detection precision in a detection box caused by difficulty in detecting the head end and the tail end of cloth and easiness in loosening, wrinkling or deviation during transmission in the conventional equipment. The equipment comprises a rack, a detection box, a winding roller, a driving roller, a motor II, a driving mechanism and a pulling mechanism. A plurality of guide rollers are arranged on the rack and are used for guiding cloth to move; the detection box is fixed at the top of the rack and is internally provided with a camera and a light supplementing lamp which are arranged at an angle of 45 degrees and can clearly shoot the front and back surfaces of the cloth; the winding roller is matched with the driving roller through the driving mechanism, cloth winding is achieved under driving of the motor II, the driving mechanism can adjust the position of the winding roller according to the winding diameter, the equipment stably pulls the cloth through the pulling mechanism and flattens the cloth in cooperation with a pressing wheel of the leveling assembly, the detection precision is effectively improved, and the device is suitable for flaw detection work after printing and dyeing of various kinds of cloth.

The invention discloses an intelligent fault diagnosis and alarm system for a high-temperature and high-pressure dyeing machine, and particularly relates to the technical field of intelligent fault diagnosis of industrial equipment, which comprises a data acquisition module, a data preprocessing module, a data processing module, a data processing module, a data processing module and an alarm module, and is characterized in that the data acquisition module is used for acquiring operation data of the high-temperature and high-pressure dyeing machine in real time; the system comprises a data acquisition module used for acquiring data, a clustering analysis module used for identifying similar equipment groups, an analysis module used for carrying out feature deviation analysis and judging whether the current dyeing equipment has potential fault deviation, an adjustment module used for constructing a dynamic threshold value model, and a diagnosis alarm module used for carrying out fault diagnosis alarm operation. According to the method, the actual operation state of the equipment is continuously monitored, dynamic adjustment is carried out in combination with historical data, the appropriate Gaussian process regression kernel function type is automatically selected, the subtle change of the equipment state can be accurately captured, and the problem of false alarm or missing alarm caused by the fact that a threshold value is not suitable for the current equipment state change in a traditional method is solved.

The invention discloses a polyester fabric printing and dyeing water-saving automatic treatment system based on digital monitoring. According to the system, a printing and dyeing execution device, a filtering regeneration device, a data acquisition device and a system control device are integrated through modular design, temperature, pressure, flow velocity and resin saturation data in the printing and dyeing process are obtained in real time through a sensor network, and a dynamic correlation function is constructed based on the system control device to generate an accurate regulation and control instruction. Uniformity control of wastewater circulation, stability optimization of resin adsorption efficiency and remarkable improvement of the water resource utilization rate are achieved, and the problems that in a traditional process, the manual dependence degree is high, and resource waste is serious are solved.

The invention relates to the technical field of chemical synthesis of dyes, in particular to a 5, 5 '-disubstituted amino-3, 3'-dipyridyl derivative as well as a preparation method and application of the 5, 5 '-disubstituted amino-3, 3'-dipyridyl derivative. According to the 5, 5 '-disubstituted amino-3, 3'-dipyridyl derivative and the preparation method thereof, the ornamental blue is used as a parent body for derivatization reaction, different structures are introduced to amino groups, the 5, 5 '-disubstituted amino-3, 3'-dipyridyl derivative is obtained and can be used as a dye, and the dye has relatively high color development intensity, bright color, deep dyeing and comprehensive color fastness. The preparation method of the 5, 5 '-disubstituted amino-3, 3'-dipyridyl derivative is continuous in process step, high in controllability, large in treatment capacity and suitable for large-scale industrial production, the 5, 5 '-disubstituted amino-3, 3'-dipyridyl derivative is applied to fabric dyeing, and the fabric has the advantages of washing resistance, acid resistance, sublimation resistance, wet friction resistance and the like.

The invention relates to the technical field of chemical fabric printing and dyeing, in particular to textile chemical fabric processing printing and dyeing equipment which comprises a printing and dyeing frame, a traction roller, a partition plate, a rotating roller, a driving motor, a circulating groove, a driving assembly, a horizontal rack, a diluted dye liquor adding assembly, a linear through groove, a gathering assembly, a spoiler and a backflow assembly. The four circulating grooves are formed in the two sides of the printing and dyeing frame in a pairwise mode, and the two driving assemblies are arranged on the two sides of the printing and dyeing frame correspondingly and are in transmission connection. The added dye liquor is diluted to increase the volume, the diluted dye liquor is put into the printing and dyeing frame at a constant speed in the linear direction of the printing and dyeing frame, and meanwhile, the dye liquor in the printing and dyeing frame is stirred to gather towards the central axis direction and then circularly flow, so that the problems of non-uniform dye liquor distribution caused by direct putting of the high-concentration dye liquor into the dyeing frame and poor dyeing effect are solved. And the problem that the dyeing quality of the chemical fabric is influenced as the concentration of the dye liquor cannot reach a set value due to precipitation of the bottom-layer dye liquor is avoided.

The utility model discloses an energy-saving and environment-friendly dyeing device for knitted fabric production, and belongs to the technical field of fabric dyeing, the energy-saving and environment-friendly dyeing device comprises a dyeing box, two conveying mechanisms are arranged at the top end of the dyeing box, two penetrating holes are formed in the position, between the two conveying mechanisms, of the top of the dyeing box, and a feeding pipe is fixedly installed at the top of the dyeing box; a partition plate is fixedly installed in the dyeing box, a plurality of sets of second conveying rollers are rotationally connected to the position, located on one side of the partition plate, in the dyeing box, two sets of extrusion mechanisms are arranged on the position, located on the other side of the partition plate, in the dyeing box, a penetrating groove is formed in the top of the partition plate, and each extrusion mechanism comprises a first extrusion roller; the first extrusion roller is rotationally connected to the interior of the dyeing box, and a second extrusion roller is rotationally connected to the position, below the first extrusion roller, of the interior of the dyeing box; in the cloth conveying process, the two sets of extrusion mechanisms are driven to automatically extrude cloth, consumption of electric power resources is reduced, economic reduction is facilitated, and more energy conservation and environmental protection are achieved.

The invention provides a double-mechanical-arm control system applied to different dyeing scenes, relates to the field of fabric dyeing control, and solves the technical problem that a fine cooperation strategy does not aim at different dip dyeing requirements. The method comprises the steps that a scene sensing module collects image information and physical information of a to-be-dyed fabric and judges the dyeing type; the central cooperative control and decision module is connected with the scene sensing module and used for calling a corresponding cooperative strategy according to the dyeing type to analyze and generate a double-mechanical-arm layered cooperative operation instruction set including the target movement track, the posture, the speed and the dip dyeing depth. And the double-mechanical-arm driving module receives the layered collaborative operation instruction set, calculates final motion parameters of all joints of the double mechanical arms and drives the double mechanical arms to perform control according to scenes. The self-adaptive updating module stores dyeing process parameter records to form a dyeing database. And optimizing and updating the collaborative strategy algorithm. The method is used in the fabric dyeing control process.

The invention relates to the field of color master batches, and discloses a color master batch with good colorability and high weather resistance as well as a preparation method and application of the color master batch, and the color master batch comprises the following components: polyolefin-based resin, core-shell structure carbon black particles, a hyperbranched dispersant, a grafted ultraviolet absorbent, a CeO2 / TiO2 composite photocatalytic additive and a dynamic cross-linking agent; the preparation method comprises the following steps: S1, carrying out functional modification treatment on the core-shell structure carbon black particles; s2, synthesizing a hyperbranched dispersant; s3, preparing a grafting type ultraviolet absorbent; s4, preparation of a CeO2 / TiO2 composite photocatalytic auxiliary agent; s5, premixing all the components; s6, performing double-screw dynamic cross-linking extrusion molding; and S7, cooling and granulating. The thermal stability of the color master batch is effectively improved by introducing the dynamic cross-linking agent and the ultraviolet absorbent, and the dynamic cross-linking agent forms a three-dimensional network structure by cross-linking resin molecules, so that the color master batch has better stability under a high-temperature condition.

The invention relates to a continuous ink-jet printing head for high-speed spraying, and solves the problems that an existing ink-jet printing head is small in single-time ink outlet amount, unstable in ink outlet amount and not suitable for being applied to large-scale dyeing. The device comprises a substrate, at least one chip is arranged on the surface of the substrate, the single chip is of an integral structure, a plurality of spray holes are formed in the surface of the chip, at least one pressure cavity is formed in the back face of the chip, and the spray holes are communicated with the at least one pressure cavity; the substrate is of an integral structure, a flow channel is formed in the substrate, an ink inlet is formed in the back face or the side face of the substrate, the flow channel is communicated with the ink inlet, and the flow channel is communicated with the pressure cavity; the spraying holes are uniformly formed in the first direction, and the minimum interval is P; the diameter of the spray hole is D and meets D2 / Pgt; and 3.0 microns. Compared with a traditional printing and dyeing method, the method has the advantages that a large amount of water resources are saved, wastewater discharge is reduced, energy consumption is greatly reduced, and the method is energy-saving, environment-friendly, green and low-carbon.

The invention relates to nylon resin with excellent dyeing performance and a preparation process thereof, through adjustment of copolymerization composition and polymerization process parameters, a long-chain nylon fiber prepared from the nylon resin is dyed at a relatively low temperature and then is subjected to cold crystallization color fixation at a relatively high temperature, so that the long-chain nylon fiber with excellent dyeing performance is obtained.

The invention discloses an anti-wrinkle fabric dyeing device, and relates to the technical field of fabric dyeing. The anti-wrinkle fabric dyeing device comprises a dyeing tank, conveying assemblies used for conveying a fabric body are arranged on the front side and the rear side of the dyeing tank, and an extrusion assembly used for pushing and extruding the fabric body is arranged on the dyeing tank; the dyeing pool is provided with a lifting assembly used for lifting the extrusion assembly and a guiding assembly used for guiding in the lifting process. According to the anti-wrinkle fabric dyeing device, through mutual cooperation of the extrusion assembly, the conveying assembly and the pulling assembly, a fabric body can be conveyed in the dyeing process, efficient dyeing operation on the fabric body is guaranteed, the tightening state of the fabric body between the two U-shaped frames can be reduced, and the fabric body can be dyed more conveniently. And the fabric body between the two U-shaped frames can be fully fused and contacted with the dye in the dyeing tank, so that the dyeing effect of the fabric body is ensured.

The invention provides a substituted amino bipyridine derivative as well as a preparation method and application thereof, the structure of the substituted amino bipyridine derivative is as shown in formula I. In the formula, R1, R2, R3 and R4 are independently selected from any one of H, C1-C6 alkyl, C2-C6 alkenyl, C2-C20 alkynyl, C3-C6 cycloalkyl, C5-C20 aryl or C5-C20 heterocyclic radical; when R1, R2, R3 and R4 are not methyl, no more than one of R1, R2, R3 and R4 is H; and when any one of R1, R2, R3 and R4 is methyl, the rest groups are independently selected from H or methyl. When the substituted amino dipyridyl derivative provided by the invention is used as a blue dye, the dyed blue dye is bright in color, deep in dyeing and comprehensive in dyeing fastness; the preparation process is simple, convenient to purify, safe, simple, convenient and energy-saving, the product quality is stable, the reproducibility is good, the yield is high, and the method is suitable for industrial production.

The invention discloses a sewage treatment system and method based on combination of ultrasonic micro-electrolysis and catalytic oxidation, and relates to the technical field of environmental protection, and the method comprises the following steps: sewage is pretreated by generating active free radicals through ultrasonic enhanced micro-electrolysis, and then enters a catalytic oxidation unit to be deeply mineralized together with ozone; the ultrasonic power, the ozone adding amount and the reflux ratio are dynamically adjusted through the fluid circulation and intelligent control unit; and the tail water is fed back through online monitoring to reach the standard. The system integrates an ultrasonic micro-electrolysis module, a catalytic oxidation module, an intelligent control module and an automatic backwashing module, and realizes closed-loop optimized operation. The method solves the problems of low treatment efficiency of refractory organic matters, strong drug dependence, easy damage of equipment, poor adaptability and the like in the prior art, obviously improves the COD removal rate to 95% or above, reduces the energy consumption by 20%, does not need additional drugs, is suitable for high-difficulty wastewater treatment of printing and dyeing, pharmacy and the like, and has the advantages of high efficiency, stability, low consumption and engineering.

The utility model discloses a dyeing device for color spinning core-spun down yarn, and relates to the technical field of dyeing devices, the dyeing device comprises a base, a dyeing pool, fixing plates, a winding drum, a first guide roller and a second guide roller, the top end of the base is provided with the dyeing pool, and the two sides, close to the dyeing pool, of the top end of the base are provided with the fixing plates. The stirring blades can be driven to rotate reversely by starting the first motor, so that the stirring blades can stir dye in the dyeing device, the dye is prevented from being precipitated, and when the dyeing device is used for dyeing the color spinning core-spun down yarn, the precipitated dye can be prevented from influencing the dyeing effect and the quality after dyeing; the second motor is started to drive the drying plate to move, the position of the drying plate can be adjusted, meanwhile, the adjusted drying plate can be prevented from being close to the color spinning core-spun down yarn, the situation that cloth is wrinkled or scalded due to the too high temperature can be avoided, and therefore the dyeing device is safe during use.

The invention relates to the technical field of textile detection, and provides a fabric sticky hair identification method and identification system based on fluorescence enhancement and machine vision, and the fabric sticky hair identification method comprises the following steps: carrying out fluorescent dyeing on a fleece when the fleece is dyed; rubbing the fuzzing cloth with a to-be-detected fabric so as to enable the to-be-detected fabric to be fuzzed; placing the to-be-detected fabric in a preset environment so as to enable the sticky hair on the to-be-detected fabric to emit fluorescence; acquiring a surface image of the to-be-detected fabric after hair sticking and fluorescent color development; analyzing the area proportion of a fluorescent region in the surface image based on image color identification; and according to the area proportion of the fluorescent region, determining the hair sticking grade of the fabric to be detected. According to the invention, the problem that the precision and reliability of sticky hair detection are seriously influenced by material and color differences of a machine vision detection system in the prior art can be solved.

The utility model discloses a mixing type cloth dye vat, and particularly relates to the technical field of printing and dyeing, the mixing type cloth dye vat comprises an outer cylinder, a base is fixedly installed on the bottom wall of the outer cylinder, a gear ring is rotatably connected to the top surface of the base, an inner cylinder is fixedly installed on the top surface of the gear ring, and a plurality of stirring paddles and a plurality of cloth dyeing cylinders are rotatably connected to the top surface of the base. When the cloth dyeing device is used, operation is easy, dye in the device can be mixed more evenly, a plurality of pieces of cloth can be placed in different cloth dyeing barrels respectively and prevented from being knotted and wound mutually, meanwhile, cloth needing to be unfolded for dyeing and folded cloth can be evenly dyed, the practical effect of the device is improved, and the using scene of the device is widened.

The invention relates to a dyeing process PH value self-optimization system based on multi-agent intelligent control. The dyeing process PH value self-optimization system comprises a sensing unit, a control decision unit and an execution unit. The sensing unit collects key data in the cloth dyeing process, and the key data comprise the pH value, temperature, dye concentration and flow velocity of dye liquor. The control decision-making unit adopts a multi-agent architecture and comprises a data fusion agent, a modeling agent, an optimization decision-making agent and a cooperative control agent; and the execution unit is used for regulating and controlling the pH value in the dye liquor in real time according to the final decision scheme of the control decision unit and based on PID (Proportion Integration Differentiation) control. The intelligent level of dyeing process production is enhanced while the control precision of the pH value of the dye liquor is ensured.

The invention relates to the field of school uniform fabric production, in particular to a preparation method of an environment-friendly quick-drying school uniform fabric, which comprises the following preparation steps: S1: material selection, S2: fiber functionalization treatment, S21: plasma surface modification, S22: enzymatic polishing, S3: blended yarn preparation and fabric weaving, S4: fabric dyeing, S5: multifunctional composite finishing, S51: spraying of a waterborne polyurethane coating, S52: ozone washing water softening, s6, carrying out post-treatment; the regenerated polyester, the organic cotton and other raw materials are adopted, the regenerated polyester is made of recycled PET plastic bottles and is environmentally friendly and economical, polar groups on the surface of the regenerated polyester are activated through plasma surface modification, the hygroscopicity is greatly improved, the quick-drying performance is enhanced, and by means of a unique double-layer honeycomb mesh structure and a double-strand yarn optimization treatment mode, the moisture absorption performance is greatly improved. A multidirectional moisture guiding channel is formed, and the moisture evaporation rate is increased, so that the prepared school uniform fabric is environment-friendly, durable and comfortable while maintaining high-breathability and quick-drying performance.

The dyeing workbench with the auxiliary waste liquid removal mechanism comprises a dyeing placement table, a dyeing feeding and discharging mechanism and the waste liquid removal mechanism, the waste liquid removal mechanism comprises an air drying installation frame, a heating assembly and an air drying fan, an air drying channel is formed in the air drying installation frame, and an air inlet and an air outlet are formed in the air drying installation frame. The air inlet and the air outlet communicate with the two ends of the air drying channel correspondingly, the air drying fan is arranged at the air inlet, a heating placement position is arranged at the front end of the air outlet, and the heating assembly is fixedly arranged in the heating placement position. The dyeing machine waste liquid recovery device can solve the problem that waste liquid residues exist in waste liquid recovery of a dyeing machine in the prior art, by means of the product structure, airflow of the air drying fan forms heat flow through the heating assembly, the residual waste liquid can be effectively air-dried, and by arranging the waste liquid removal mechanism, the waste liquid recovery efficiency is improved. The constant dyeing environment temperature can be effectively guaranteed, the dyeing efficiency is improved, the use experience of personnel is improved, and the competitiveness of products is improved.