719 results about "Textile printing" patented technology

An ink jet textile printing method according to one embodiment of the present disclosure includes a reaction solution attaching step of attaching a reaction solution containing an aggregating agent that aggregates components in an ink, and water to a fabric using an ink jet method, a transparent ink attaching step of attaching a transparent ink composition containing anionic resin particles and water to a fabric using the ink jet method, and a colored ink attaching step of attaching a colored ink composition containing a pigment, resin particles, and water onto a region, to which the transparent ink composition is attached, using the ink jet method, in which the reaction solution attaching step and the transparent ink attaching step include Step 1, and in Step 1, a range of a minimum value of a total attachment amount of the reaction solution and the transparent ink composition per unit area / per unit time is 34 mg / (s·inch2) or more, Step 1: applying the reaction solution and the transparent ink composition to the same region in the fabric in a single scanning of an ink jet head.

The invention belongs to the field of MOF (Metal Organic Framework) films, and discloses a two-dimensional metal-organic framework film composite film as well as a preparation method and application thereof. The preparation method comprises the following steps: dispersing ZIF-L nanosheets into a water phase solution containing MPD, camphor-10-sulfonic acid and TEA to obtain an MOF water phase monomer solution; adding TMC into an n-hexane reagent to obtain an organic phase monomer solution; fixing the wet PES ultrafiltration membrane, injecting the MOF water-phase monomer solution, carrying out suction filtration below the PES ultrafiltration membrane, removing the excess solution, keeping the suction filtration state, and immediately pouring the organic-phase monomer solution onto the surface of the PES ultrafiltration membrane from the upper part for reaction; and drying the obtained film at 60-80 DEG C for 10-15 minutes to obtain the two-dimensional metal-organic framework film composite film. The composite membrane has a good separation effect and can be applied to textile printing and dyeing wastewater treatment.

The invention relates to the technical field of textile dyeing sewage treatment, in particular to textile dyeing sewage treatment equipment. Comprising a purification box and a pretreatment box, and the interior of the pretreatment box communicates with the interior of the purification box; a sewage collecting box is fixedly connected to the purifying box, an auxiliary box is fixedly connected to the purifying box, an incomplete gear is driven by a first motor to rotate in the anticlockwise direction, so that a first conveying roller and a second conveying roller rotate synchronously, synchronous movement of a filter screen conveying belt is achieved, the filter screen conveying belt moves uninterruptedly while filtering is conducted, and the filtering efficiency is improved. The filter screen conveying belt entering the cleaning box is deeply cleaned through the wadding scraping mechanism and the deep cleaning mechanism, the filtering effect of the filter screen conveying belt is effectively improved, the filtering effect of sewage is improved through secondary filtering, the device enables sewage to be filtered more thoroughly, meanwhile, self-cleaning of the filter screen conveying belt can be conducted, and the service life of the filter screen conveying belt is prolonged. Manual replacement and manual cleaning are not needed, and the workload of workers is effectively reduced.

The invention relates to the technical field of damping and shock absorption, in particular to a damping-adjustable composite shock absorption system for textile printing and dyeing equipment, which comprises a bottom plate and a top plate, a first shock absorption unit and a movable plate are mounted between the bottom plate and the top plate, and a first buffer spring is fixedly connected between the top plate and the movable plate; a second damping unit is installed between the movable plate and the bottom plate. During damping, vibration is buffered through telescopic deformation of a first buffer spring and a second buffer spring, oil liquid is pushed to flow in backflow oil pipes through vertical movement of a first piston rod, vibration energy is consumed through friction force between the oil liquid and the backflow oil pipes, and vibration of a machine body is restrained; the different backflow oil pipes are switched to be communicated with the oil storage cavity through the switching mechanism, the longer the backflow oil pipes are, the larger the on-way resistance when oil passes through the backflow oil pipes is, the higher the damping force is, and the damping device can be conveniently installed on textile printing and dyeing equipment with different vibration intensities for damping.

The invention relates to the technical field of printing and dyeing wastewater treatment equipment, and discloses an improved textile printing and dyeing wastewater treatment device and a use method thereof.The improved textile printing and dyeing wastewater treatment device comprises an equipment shell, and a plurality of supporting legs are fixedly connected to the bottom of the equipment shell. According to the textile wastewater treatment device, a second gear rotates to drive a plurality of second auxiliary rotating shafts on a conveying rotating shaft to rotate, the second auxiliary rotating shafts rotate to drive a transmission filter screen to rotate, and meanwhile, a stirring rod rotates to drive wastewater in an inner cylinder to rotate along the inner wall of the inner cylinder; flocculation groups in the wastewater are attached to the surface of the transmission filter screen, and at the moment, the transmission filter screen rotates to convey the flocculation groups in the inner cylinder into the flocculation cavity, so that on one hand, a large number of flocculation groups in the inner cylinder can be reduced in time, and on the other hand, the flocculation groups which are flocculated into clusters can be transferred into the flocculation cavity; therefore, the situation that the stirring force of the stirring rod is too strong, flocculation groups are broken, and impurity separation is not facilitated is prevented.

The invention provides a method and system for salt separation, evaporation and crystallization of printing and dyeing wastewater, and the method comprises the following steps: sequentially carrying out multi-stage synergistic pretreatment on textile printing and dyeing wastewater to remove suspended solids, degrade organic matters and reduce hardness; the pretreated wastewater is subjected to membrane salt separation treatment, and preliminary separation of salt is achieved through reverse osmosis pre-concentration and nanofiltration salt separation; and respectively carrying out evaporative crystallization treatment on the separated high-concentration salt solution to obtain high-purity sodium sulfate and sodium chloride products. According to the method, the salt recovery rate and the product purity are remarkably improved, the energy consumption and the operation cost are reduced, meanwhile, the problems that in traditional printing and dyeing wastewater treatment, salt is difficult to separate, and the crystallization purity is low are solved, and an innovative solution is provided for high-valued resource recovery of industrial wastewater.

The invention discloses a textile printing and dyeing method and device. The method comprises the steps of obtaining first raw material information; obtaining first material information and first thickness information according to the first raw material information; inputting the first material information and the first thickness information into a first training model to obtain first printing and dyeing process information; obtaining a first printing and dyeing effect according to the first printing and dyeing process information; obtaining a first demand of a first user; obtaining a first comparison result according to the first printing and dyeing effect and the first demand; judging whether a first preset threshold value is met or not; and if yes, carrying out printing and dyeing according to the first printing and dyeing process information. The technical problems that in the prior art, dyeing and finishing equipment process parameter on-line control technology is low in level, the quality of printed and dyed products is affected, requirements of customers are difficult to meet, and economic benefits are affected are solved. The technical effects that the printing and dyeing process is scientifically formulated according to the characteristics of the textile in combination with industrial standards, the printing and dyeing quality of the textile is improved, and the customized printing and dyeing requirements of customers are met are achieved.

The invention relates to the technical field of textile printing and dyeing, in particular to a setting machine cropping moisture content control method and system based on MPC. An MPC model is constructed, and the MPC model comprises the steps that actually-measured and preset water content and the first control parameter state vector serve as input, and predicted water content is obtained; minimizing the difference value between the predicted water content and the preset water content as a target; solving and optimizing the control increment by using the optimization matrix and sequential quadratic programming; and performing action regulation and control on an execution mechanism by utilizing the optimal control increment. The invention solves the problems of insufficient detection precision, hysteresis and poor interference resistance in the existing single temperature feedback control of the moisture content of the fabric.

The invention discloses a textile printing and dyeing sewage treatment recycling device, which comprises a box body, the interior of the box body is divided into three treatment areas through vertically fixed partition plates, the top of the box body is provided with a support, the support is fixedly provided with a plate filter press, and the outer side of the box body is provided with a dosing mechanism; the medicine feeding device further comprises an outer medicine feeding cylinder, the outer medicine feeding cylinder is transversely fixed to the tops of the three areas in the box body, an inner medicine feeding cylinder is rotationally arranged in the outer medicine feeding cylinder, medicine feeding holes are formed in the bottom of the inner medicine feeding cylinder and the bottom of the outer medicine feeding cylinder, a driving base is fixed to the bottom of the outer medicine feeding cylinder, and the driving base is connected with a mounting shaft through a built-in motor. A mounting sleeve is fixed to the bottom of the outer side of the mounting shaft, and a floating plate is vertically arranged in the middle of the mounting shaft in a limited and sliding mode. The sewage treatment and recycling device for textile printing and dyeing can be used for treating for multiple times, and adjusting the dosage and stably stirring according to the water quantity.

The invention relates to the field of textile printing and dyeing, and discloses a dyeing method and device based on a dyeing prediction model, computer equipment and a storage medium. Processing the dyeing demand through the dyeing prediction model to obtain an initial dyeing process and the credibility of the initial dyeing process; setting experimental parameters of a dyeing test experiment according to the initial dyeing process and the credibility; obtaining a test result of the dyeing test experiment; and determining a target dyeing process meeting the dyeing requirement according to the test result. The problems of less dyeing data and low model result accuracy can be solved.

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 preparation method of a natural latex grafted lignin biological adhesive. The preparation method comprises the following steps: dissolving lignin in deionized water to prepare a 15wt% lignin solution; adding 1 part of 2wt% ammonium persulfate solution, heating to 60 + / -2 DEG C, and stirring at the speed of 300-330rpm for 45 minutes to obtain a lignin and ammonium persulfate mixed solution; adding 15 parts of the mixed solution into 100 parts of natural latex, heating to 60 + / -2 DEG C, stirring at the speed of 300-330rpm for 3 hours to promote graft polymerization reaction of the lignin and the natural latex, and cooling at room temperature to obtain the natural latex grafted lignin biological adhesive. According to the invention, natural latex and lignin are taken as main raw materials, harmful substances common in the traditional petroleum-based adhesive are not contained, and the adhesive is friendly to human body and environment, safe to use, simple and feasible in preparation process, wide in raw material source and easy for large-scale production, is suitable for multiple fields of wood processing, furniture manufacturing, textile printing and dyeing and the like, and has a wide market prospect.

The invention relates to the technical field of textile printing and dyeing, in particular to a cloth printing and dyeing device and a cloth printing and dyeing technology.The cloth printing and dyeing device comprises a supporting assembly, a printing and dyeing assembly, a dewatering assembly and a winding assembly.The supporting assembly comprises a base, a supporting frame and a feeder, the supporting frame is fixedly connected with the base, and the feeder is arranged on one side of the supporting frame; the printing and dyeing assembly comprises a printing and dyeing box and a printing and dyeing roller, the printing and dyeing box is arranged on one side of the feeder, and the printing and dyeing roller is rotationally arranged in the printing and dyeing box; the dewatering assembly comprises an adjusting unit, a dewatering roller, absorbent cotton, a supporting roller, a scraper and a dewatering box, the adjusting unit is slidably arranged on the supporting frame, the dewatering roller is rotatably arranged on the adjusting unit, the absorbent cotton is arranged on one side of the dewatering roller, the supporting roller is rotatably arranged at the bottom of the dewatering roller, and the scraper is arranged on one side of the supporting roller; the dewatering box is arranged at the bottom of the supporting roller, and the winding assembly is arranged on the side, away from the feeder, of the dewatering box. Therefore, the extrusion is more sufficient, and redundant water can be removed more conveniently.

The present disclosure provides an aqueous adhesive composition, a belt for fabric conveyance, an inkjet textile printing device, and a method for producing the aqueous adhesive composition, which have excellent fabric conveyance properties and can reduce environmental burden and improve working environment. The present invention relates to an aqueous adhesive composition for forming an adhesive layer on a fabric conveying belt of an inkjet textile printing device, the aqueous adhesive composition containing an acrylic resin, and the adhesive force of the adhesive layer formed from the aqueous adhesive composition being 0.1 N / 25 mm or more and 10 N / 25 mm or less.

The invention belongs to the technical field of textile printing and dyeing, relates to an efficient reactive dye ink-jet dyeing process and application, and aims to solve the problems that the traditional dyeing proofing process is tedious, the color difference of front and back surfaces of ink-jet dyeing is large, and the dye utilization rate is low. The process comprises the following steps: firstly, padding a fabric in an aqueous solution until the pick-up rate is controlled to be 60-120%, and carrying out ink-jet printing on reactive dye ink (the viscosity is 3-10 mPa.s and the surface tension is 20-50 mN / m) in a wet fiber swelling state; after printing, a 1%-10% alkali solution is immediately padded to promote permeation of the dye; and then pre-drying at 60-70 DEG C, steaming with saturated steam at 100-102 DEG C for 5-15 minutes, and washing with water to complete color fixation. According to the technology, the K / S ratio of the front face and the back face of the dyed fabric is larger than or equal to 0.95, the color fastness of the dry friction level 4-5 or above, the color fastness of the wet friction level 4-5 and the color fastness of the soaping level 4-5 are achieved, and the technology is suitable for green efficient dyeing of small-batch multi-variety fabric.

The invention provides an intelligent textile printing and dyeing sewage treatment method and system based on edge computing, and relates to the technical field of textile printing and dyeing sewage treatment.The method comprises the steps that edge computing nodes are deployed on multiple treatment devices to collect water quality parameters, a neural network is trained through historical data, and the network structure is optimized according to the fluctuation amplitude; the corresponding relation between the water quality parameters and the equipment efficiency is calculated to predict abnormity, the particle swarm optimization is combined to optimize the operation parameters, and the adjustment strategy is determined based on the effluent standard-reaching rate, the energy consumption and the cost, so that the intelligent treatment of the textile printing and dyeing sewage is realized, the treatment efficiency and the effluent quality are improved, and the energy consumption and the operation cost are reduced.

The invention discloses an advanced treatment agent for textile printing and dyeing wastewater and a treatment method. The advanced treatment agent comprises a component A and a component B, the component A comprises modified graphene oxide and an enzyme treatment agent; the component B comprises magnesium aluminum silicate, hydroxyapatite, hydroxypropyl methyl cellulose and chitosan, and the hydroxyapatite is coated with the magnesium aluminum silicate to form a core-shell structure. By adopting a modified graphene oxide immobilized enzyme structure, harmful components in water can be effectively adsorbed, so that the effect of greatly improving sewage purification is achieved, and meanwhile, the adsorption effect of the harmful components can be further improved by matching with aluminum-magnesium silicate coated hydroxyapatite, hydroxypropyl methyl cellulose and chitosan; meanwhile, bonding with the modified graphene oxide is beneficial to agglomeration and flocculation of substances, so that the flocculation capacity is improved, and floc separation is facilitated.

The utility model relates to the technical field of lining cloth processing, in particular to textile printing and dyeing slurry mixing equipment which comprises a base, a side plate, a supporting plate and a cleaning assembly. The cleaning assembly comprises two connecting blocks, a barrel cover, a feeding opening, a stirring barrel, a stirring mechanism, a fixing part, a driving part and two auxiliary parts, the two connecting blocks are fixedly connected with the supporting plate, the barrel cover is fixedly connected with the two connecting blocks, the feeding opening is fixedly connected with the barrel cover, the stirring barrel is rotationally connected with the barrel cover, and the stirring mechanism is fixedly connected with the barrel cover. The fixing part is fixedly connected with the stirring barrel, the auxiliary part is fixedly connected with the side plate, and the driving part is fixedly connected with the base, so that slurry attached to the inner wall of the stirring barrel can be effectively cleaned, and the mixing efficiency of the slurry mixing equipment is further improved through direction rotation of the stirring barrel and the stirring mechanism.

The printing and dyeing wastewater treatment device comprises a treatment box, a partition plate is fixedly arranged in the treatment box, a bottom plate is arranged on one side of the partition plate in a sliding mode, the bottom plate is arranged on the side wall of the treatment box in a sliding mode through a sliding block, and a sliding groove corresponding to the sliding block is formed in the side wall of the inner side of the treatment box; a sliding groove is formed in the bottom plate, a threaded rod is rotationally arranged in the sliding groove and rotationally penetrates through the sliding block, a threaded through hole corresponding to the threaded rod is formed in the sliding block, a water inlet is fixedly formed in the side wall of one side of the processing box, a water passing opening is formed in the partition plate, and a filter plate is fixedly arranged on the side, close to the bottom plate, of the water passing opening. According to the textile printing and dyeing wastewater treatment device, textile printing and dyeing wastewater can be subjected to standing, filtering and adsorption treatment in sequence, multiple purification treatment modes are combined, the purification effect is greatly improved, the filter plate can be continuously scraped, and the situation that textile fibers are accumulated on the filter plate to affect the filtering effect is avoided.

The invention provides an efficient intelligent short-process water-saving printing and dyeing control method and system. The method belongs to the technical field of textile printing and dyeing, and comprises the steps: carrying out the real-time collection of key parameters in the printing and dyeing process through a high-precision sensor, and transmitting the data collected by the sensor to a cloud data center in real time through the Internet of Things; mining historical printing and dyeing data through big data and a machine learning algorithm, and establishing a printing and dyeing process model; based on real-time sensor data and the printing and dyeing process model, the printing and dyeing effect is predicted in real time, and printing and dyeing parameters are automatically adjusted according to the prediction result; key parameters are collected in real time through a high-precision sensor, historical data are mined in combination with big data and a machine learning algorithm, and an accurate printing and dyeing process model is established, so that the printing and dyeing effect can be predicted in real time, the printing and dyeing parameters are automatically adjusted according to the prediction result, and the printing and dyeing efficiency and quality are improved.

The invention relates to the technical field of waste silk recycling, in particular to a textile printing and dyeing wastewater treatment device and method.The textile printing and dyeing wastewater treatment device comprises a treatment pond, a partition plate is fixedly installed in the treatment pond to divide the interior of the treatment pond into a filtering pond and a settling pond, and a waste silk filtering assembly is rotatably installed in the filtering pond; a material guide assembly is rotationally mounted on the bottom surface in the filter tank; a mixing tank is arranged on the outer side, close to the filter tank, of the treatment tank. Through the synergistic effect of the waste silk filtering assembly and the material guiding assembly, solid waste silk in waste water can be efficiently separated and automatically recycled, the rotary type filtering plates automatically switch the working state in the continuous filtering process, after one filtering plate completes filtering operation, the filtering plate can be driven by a servo motor to rotate to the vertical position, and the waste silk in the waste water can be automatically recycled. At the moment, a winding needle in the waste silk recycling assembly moves back and forth along the surface of the filter plate to recycle waste silk left on the surface of the filter plate, the problem that a traditional fixed filter screen is prone to being blocked is solved, and automatic recycling of the waste silk can be achieved.

The invention relates to the technical field of waste heat recovery, in particular to a textile printing and dyeing equipment waste heat exchange device which comprises a shell assembly, a heat exchange module, a heat exchange module and a heat exchange module. The heat exchange module comprises a plurality of outer shells and a heat exchange core, each outer shell comprises two upper shells, two middle shells and two lower shells which are arranged from top to bottom, and the heat exchange core comprises a plurality of liquid outlet plates, a plurality of heat exchange plates and a plurality of liquid inlet plates which are arranged from top to bottom; the two ends of the upper shell, the two ends of the lower shell, the two ends of the liquid outlet plate and the two ends of the liquid inlet plate are provided with through holes for air and liquid to flow. The second through groove and the first through groove are driven by the flow blocking rod to be staggered to block the fluid channel, then the middle shell is ejected out of the position between the upper shell and the lower shell, at the moment, the middle shell can be taken out with the heat exchange plate through the groove to be replaced, the heat exchange plate can be cleaned and replaced without shutdown, and therefore the purpose of facilitating online disassembly and cleaning is achieved.

The invention belongs to the technical field of textile printing and dyeing, and particularly relates to a preparation method of a cotton spandex core-spun yarn-dyed spandex fabric. Comprising the following steps of raw yarn spooling, yarn steaming, warping, dyeing, slashing, weaving and after-finishing. The grey yarns are cotton spandex core-spun yarns; in the grey yarn spooling process, the weight of the yarns is 0.3-0.5 kg, and the density of the yarns is 0.40-0.45 g / m < 3 >; in the yarn steaming process, the yarn steaming temperature ranges from 125 DEG C to 135 DEG C, and the yarn steaming time ranges from 20 min to 35 min; the after-finishing process comprises the steps of singeing, loose desizing, mercerizing, tentering and preshrinking. According to the preparation method, a'sandwich 'material does not need to be added, and high-temperature setting does not need to be carried out in an after-finishing processing stage, so that the technological process is remarkably shortened, the operation steps are simplified, the production efficiency is improved, the production cost is saved, and meanwhile, the problem of warp blistering caused by dyed yarn warping and the change degree of the fabric color are effectively improved.

The present invention relates to the field of multi-stage wastewater treatment, specifically a textile and textile printing and dyeing wastewater treatment device and method. It includes a treatment box, a drug barrel and a drug-adding and mixing mechanism; the treatment box includes a box body and a diverter with two ends integrally connected to the middle and bottom of the box body, a filter assembly is arranged inside the diverter, the top of the box body is connected to a water inlet pipe, the bottom side is connected to a drain pipe, and a control valve is arranged on the drain pipe; the drug barrel is arranged on the top of the treatment box; the drug-adding and mixing mechanism includes a drug delivery barrel vertically slidingly arranged on the drug barrel, a lifting mechanism for driving the drug delivery barrel to rise and fall, a lifting member arranged at the bottom end of the drug delivery barrel, and a plurality of baffles rotatably arranged on the lifting member, the drug delivery barrel has a drug inlet hole and a drug outlet hole located below the drug inlet hole, and the outer periphery of the lifting member has a plurality of flow channels. The present invention can cyclically carry out multiple mixing, flocculation and filtration treatments of wastewater and drugs, and finally discharge the effectively treated wastewater, thereby ensuring the quality of wastewater treatment.

An aqueous ink for textile printing includes a disperse dye, a first dispersant selected from the group consisting of an alkali metal salt of an aromatic sulfonic acid, an alkali metal salt of an aromatic sulfonic acid-formalin condensate, an alkali metal salt of a beta-naphthalenesulfonic acid, and an alkali metal salt of a beta-naphthalenesulfonic acid-formalin condensate, and a second dispersant selected from the group consisting of an alkali metal salt of an aromatic sulfonic acid-formalin condensate and an alkali metal salt of a beta-naphthalenesulfonic acid-formalin condensate. The second dispersing agent is a copolymer of acrylate and alkylene oxide.

The invention provides a yarn color prediction method and system based on multi-modal learning, and belongs to the technical field of textile printing and dyeing, and the method comprises the steps: firstly, comprehensively collecting blended cotton fiber data, process parameters, fiber color data, yarn appearance images and color data in yarn production, and carrying out the alignment, cleaning and normalization preprocessing of the data; then, a color prediction network composed of a feature extraction module, a compensation fusion module and an output module is constructed, after main modal feature extraction and preliminary prediction are completed through 1D-CNN, auxiliary modal features are extracted with the help of VGG16, and correlation is calculated through the compensation fusion module to achieve compensation for preliminary prediction; and finally, selecting a CIEDE2000 chromatic aberration formula as a loss function, and optimizing model parameters in combination with an Adam optimizer. According to the method, by means of fusion of multi-modal data, a unique fusion compensation strategy and a self-adaptive complementary fusion mechanism, the precision, accuracy and stability of yarn color prediction are remarkably improved, and a more reliable technical scheme is provided for color prediction of colored spun yarns in the textile printing and dyeing industry.

The invention relates to the field of wastewater multi-stage treatment, in particular to a woven fabric printing and dyeing wastewater treatment device and method. The device comprises a treatment box, an agent barrel and an agent adding and mixing mechanism, the treatment box comprises a box body and a shunting part with two ends integrally communicated with the middle and the bottom of the box body respectively, a filtering assembly is arranged in the shunting part, the top end of the box body is communicated with a water inlet pipe, and the side surface of the bottom end is communicated with a drainage pipe which is provided with a control valve; the medicament barrel is arranged at the top of the treatment box; the medicine feeding and mixing mechanism comprises a medicine conveying barrel vertically arranged on the medicine barrel in a sliding mode, a first lifting mechanism driving the medicine conveying barrel to ascend and descend, a lifting piece arranged at the bottom end of the medicine conveying barrel and a plurality of blocking plates rotationally arranged on the lifting piece, the medicine conveying barrel is provided with a medicine inlet hole and a medicine outlet hole located below the medicine inlet hole, and a plurality of circulation channels are formed in the periphery of the lifting piece. According to the invention, mixed flocculation and filtration treatment of wastewater and chemicals can be circularly carried out for multiple times, and finally, the effectively treated wastewater is discharged, so that the wastewater treatment quality is ensured.

The invention provides a polycarbonate polyether sulfate salt surfactant as well as a preparation method and application thereof, and belongs to the technical field of surfactants. The polycarbonate chain segment endows the polymer with certain rigidity and stability, the polyether chain segment provides good hydrophilicity and flexibility, and the sulfate salt group enhances the surface activity of the polymer. The polycarbonate polyether sulfate salt surfactant provided by the invention is strong in emulsibility, good in low-temperature solubility and strong in capability of reducing surface tension at low concentration, a rigid structure of a polycarbonate chain segment can be more easily decomposed by microorganisms, environmental residues are reduced, and the surfactant is environment-friendly. The method can be used in the fields of personal care products, household cleaning products, textile printing and dyeing assistants, coating and ink assistants or oil displacement agents for oil fields.

The invention discloses a textile printing and dyeing equipment integrated management system, which comprises a cloud platform, a data acquisition module, a data monitoring module, a data analysis module, an order management module, a position detection module, an intelligent terminal, a production data feedback module and an equipment control module, the data acquisition module, the data monitoring module, the data analysis module, the order management module, the position detection module, the intelligent terminal, the production data feedback module and the equipment control module are all connected with the cloud platform; the data acquisition module is used for acquiring temperature and humidity, videos, smoke concentration and worker action capture in a workshop; the data monitoring module is used for monitoring the temperature, current and vibration frequency of the printing and dyeing equipment. A data monitoring module is used for monitoring the temperature, current and vibration frequency of printing and dyeing equipment; the fault prediction module predicts a fault according to the data collected by the data monitoring module, and when the fault is predicted, the fault is uploaded to the intelligent terminal and an alarm is given through the alarm module.

An aqueous adhesive composition forms an adhesive layer on a cloth-transporting belt of an ink jet textile printing apparatus. The aqueous adhesive composition contains acrylic resin and forms an adhesive layer with an adhesion of 0.1 N / 25 mm to 10 N / 25 mm.