1220 results about "Paper production" patented technology

The invention provides an online detection method and system for paper defects, and the method comprises the steps: obtaining an infrared thermal imaging data sequence of to-be-detected paper under the dynamic thermal excitation effect; generating a temperature response characteristic distribution diagram corresponding to the to-be-detected paper according to the temperature gradient change rate of different coating areas of the to-be-detected paper in the infrared thermal imaging data sequence; the temperature response characteristic distribution diagram is input into a pre-trained machine learning model, thickness distribution data of the to-be-tested paper is output, and the machine learning model is constructed based on a random forest algorithm; based on the thickness distribution data, a paper coating thickness detection result synchronous with the speed of the paper production line is generated, and when the paper coating thickness detection result shows that the paper coating thickness is abnormal, the dynamic thermal excitation parameter adjustment action is triggered, so that the thicknesses of all pattern layer areas of other paper in the paper production line are normal. According to the invention, the precision of online detection of the paper coating thickness and the production regulation and control efficiency are improved.

The invention relates to an impregnated paper production process multi-parameter collaborative optimization control method based on reinforcement learning, and the method comprises the following steps: S1, building an omnibearing data collection network, achieving the panoramic perception of a production process, and obtaining a real-time data flow; s2, based on a data fusion technology, performing intelligent integration on different sources and different types of data to obtain a fused data set; s3, according to the fused data set and based on a process mechanism, constructing a knowledge graph of the impregnated paper production process; s4, constructing a digital twinborn model of the impregnated paper production line in combination with the fused data set and the knowledge graph; and S5, designing a multi-objective optimization decision framework according to the digital twinborn model, the production plan and the constraint condition, and realizing collaborative optimization of different time scales. According to the invention, multi-parameter collaborative optimization control of the impregnated paper production process is realized.

The invention relates to the technical field of self-adhesive label paper detection devices, in particular to a visual detection device for self-adhesive label paper production, which comprises a workbench, a winding part and an unwinding part, and is characterized in that the workbench is provided with a first visual detection module and a second visual detection module; a plurality of guide rollers used for adjusting the direction of label paper are arranged on the workbench, a positioning locking piece is arranged in the middle of the workbench, a continuous detection unit is arranged on the portion, close to the first visual detection module, of the workbench, and a vacancy patching unit is arranged on the portion, close to the second visual detection module, of the workbench. According to the visual detection device for self-adhesive label paper production, aiming at the vacancy problem existing on a label paper roll, the device is provided with the positioning locking piece, the continuous detection unit and the vacancy supplementing and pasting unit which are matched for use, the label paper is allowed to be rapidly supplemented and pasted in the detection process, shutdown operation is not needed, the pain point of'shutdown supplementing 'of traditional equipment is solved, and the production efficiency is improved. And the detection efficiency is obviously improved.

The invention discloses a multifunctional coated paper production device, which comprises four unreeling mechanisms, two unreeling mechanisms are a first PET film unreeling assembly and a second PET film unreeling assembly, and the rest two unreeling mechanisms are paper unreeling assemblies; the number of the winding mechanisms is two; the four co-extrusion mechanisms are respectively a first co-extrusion assembly, a second co-extrusion assembly, a third co-extrusion assembly and a fourth co-extrusion assembly. According to the multifunctional coated paper production device, the four unwinding mechanisms, the two winding mechanisms, the two extrusion mechanisms and the two co-extrusion mechanisms are arranged, so that PE films can be conveniently coated at different positions of paper, and the PE films and the PET films are connected in a co-extrusion mode to produce different types of composite coated paper, multiple production devices are not needed, and therefore the production cost is greatly reduced, and the production efficiency is improved. And meanwhile, the production occupied space is reduced.

The invention relates to the technical field of corrugated paper production, one embodiment of the invention provides a dust removal device for corrugated paper production, the dust removal device comprises a rack, and further comprises a conveying belt, a dust collection box, a brush and a cutting knife, the conveying belt is arranged in the rack through a transmission mechanism, a plurality of through holes are formed in the conveying belt, and the dust collection box is arranged on the conveying belt; the dust collection box is arranged in the rack through the dust collection mechanism, the top end of the dust collection box makes contact with the inner wall of the conveying belt, double-face dust removal can be conducted on corrugated boards, the brush is arranged at the top end of the rack through the rotating mechanism and used for driving the brush to brush off dust on the surfaces of the corrugated boards, and the cutting knife is arranged at the top end of the rack through the cutting mechanism. According to the technical scheme, the corrugated board cutting device is used for solving the technical problems that in the prior art, dust removal is conducted on corrugated boards through a brush before the corrugated boards enter a printing machine, impurities and dust which are firmly attached are difficult to clean through the dust removal mode, and the dust removal efficiency of the corrugated boards is reduced.

The invention discloses a production process of high-folding-resistance corrugated base paper, and particularly relates to the technical field of corrugated paper production. The process comprises the following steps: mixing and hydraulically pulping different types of waste paper raw materials to obtain original waste paper pulp with the concentration of 2.5-2.8%; original waste paper pulp enters a classifying screen after being subjected to high-concentration sand removal, coarse screening and low-concentration sand removal, and fibers in the waste paper pulp are screened into long fibers and short fibers; mixing the long fiber pulp and the short fiber pulp in proportion, and carrying out papermaking and surface sizing treatment; wherein the papermaking comprises the steps of forming a net part, squeezing and dehydrating, and drying in a pre-drying part to obtain initial corrugating base paper with the dryness of 90-92%, then carrying out surface sizing treatment on the initial corrugating base paper by using a boiled glue solution, drying at 60-100 DEG C until the dryness is 85-92%, and curling and slitting to obtain the high-folding-resistance corrugating base paper. Stable production of the high-folding-resistance corrugated base paper is achieved through raw material diversification, fiber refining treatment, papermaking process flexible regulation and control and glue solution accurate preparation.

The invention relates to the technical field of self-adhesive paper production, in particular to a production method of waterproof pressure-resistant thermosensitive self-adhesive paper, which comprises the following steps: S1, monitoring and regulating coating parameters; s2, preparing and processing a thermosensitive coating material; s3, body paper treatment and coating; and S4, surface quality detection and correction. A plurality of sensors are arranged on a production line, key parameters in the coating process are accurately collected in real time and compared with target reference values, once data are abnormal, an automatic adjusting unit responds immediately, it is ensured that the production technology always conforms to strict quality regulations, physical properties of all parts of the product are kept consistent, and it is ensured that the quality of each batch of products is stable; the performance difference caused by production fluctuation is reduced; and by continuously observing the coating state, the problem is solved in time, the uniformity of the coating is ensured, and the phenomenon that the local part is too thick, too thin or uneven is avoided. The airflow speed and temperature and humidity are accurately controlled in the drying process, paper is prevented from being wrinkled and warped, and the appearance quality of products is guaranteed.

The invention relates to the technical field of papermaking wastewater treatment, in particular to a waste pulp residue treatment device for raw paper production, which comprises waste pulp treatment equipment for raw paper production, the waste pulp treatment equipment comprises a treatment tank, and the top side of the treatment tank is provided with automatic adding equipment matched with a stirring assembly for use. And driving equipment matched with the automatic adding equipment for use is mounted on the side wall of the treatment tank. According to the waste pulp residue treatment device for raw paper production, the stroke of driving equipment is prolonged, the displacement of the sliding frame is increased, so that the sliding base is pushed to act, the lifting table is actively triggered to ascend and descend through the connecting rod, the dosing action and the stirring strength are dynamically bound, automatic dosing is achieved when the stirring requirement is high, and invalid dosing is avoided; in addition, the lifting platform drives the stirring rod to rotate and axially reciprocate, waste slurry fiber agglomerates are effectively scattered, precipitation prevention is achieved, meanwhile, longitudinal eddy current can be formed through axial reciprocating of the stirring rod, agent diffusion is enhanced, the mixing efficiency is improved, the reaction period is shortened, and energy loss is reduced.

The paper pulp dewatering device comprises a water collecting tank, a filter screen cylinder is rotationally connected to the upper portion of the interior of the water collecting tank through a bearing, a first rotating rod is arranged in the filter screen cylinder, and one end of the first rotating rod penetrates through the filter screen cylinder and is connected with a first motor; an external gear is connected to the outer side of one end, close to the first motor, of the filter screen cylinder, and a second gear is meshed above the external gear; through rotation of the dewatering blades and the filter screen cylinder, the filter screen cylinder and the dewatering blades can be fully cleaned, cleaning dead angles are avoided, the filter screen cylinder and the dewatering blades can be rapidly cleaned, the cleaning effect is improved, the cleaning efficiency is improved, and workers do not need to conduct external auxiliary cleaning; a third motor drives a reciprocating screw rod to rotate, and the reciprocating screw rod rotates to drive a mounting shell and a brush to reciprocate on the outer side of the filter screen cylinder, so that the outer side of the filter screen cylinder can be fully cleaned.

The invention relates to the technical field of corrugated paper production, and discloses a corrugated paper production method and system.The corrugated paper production method comprises the steps that paper is subjected to raw material pretreatment, and an adhesive is prepared; the core paper obtained after raw material pretreatment is put into a corrugating roller, a lubricating agent is added, and first core paper and second core paper are manufactured through corrugation forming; after the pretreated surface paper is coated with an adhesive, the surface paper and the first core paper are overlapped, and first single-layer corrugated paper is obtained through high-temperature and high-pressure curing; coating the pretreated backing paper with an adhesive, then overlapping the pre-treated backing paper with second core paper, and carrying out high-temperature and high-pressure curing to obtain second single-layer corrugated paper; when high-temperature and high-pressure curing is carried out, paper data of the single-layer corrugated paper are obtained, and the current high-temperature and high-pressure curing state is determined based on the paper data; the first single-layer corrugated paper and the second single-layer corrugated paper pass through middle partition paper, and the corrugated paper is obtained on the basis of cold pressing bonding. The adhesive strength is improved, and the rejection rate is reduced.

The invention discloses an artificial intelligence-driven thermal paper production waste intelligent identification method, and relates to the technical field of thermal paper production waste identification, and the method comprises the following steps: obtaining a first normal reference value and a second normal reference value based on a first amount of normal thermal paper drawing; obtaining an initial abnormal region based on the real-time thermo-sensitive paper graph, the first normal reference value and the second normal reference value; acquiring three-dimensional point cloud charts above and below the thermo-sensitive paper in the initial abnormal region part, and marking the three-dimensional point cloud charts as real-time point cloud charts; constructing a real-time detection angle based on the real-time point cloud atlas; acquiring a historical normal angle based on the second quantity of normal thermal sensitive paper; acquiring a normal angle reference value based on the historical normal angle; based on the real-time detection angle value and a normal angle reference value, judging whether the thermo-sensitive paper is a waste material or not; the method is used for solving the problem that in an existing thermo-sensitive paper production waste recognition technology, whether interference exists or not cannot be further analyzed to cause recognition error defects, and consequently the accuracy of thermo-sensitive paper production waste recognition is low.

The invention relates to the technical field of functional paper production, in particular to a pressing and flat pasting composite process of skin-touch surface polymer coated paper, which comprises the following steps: pretreating a base material through low-temperature plasma to form a nano groove; the preparation method comprises the following steps: preparing a bottom coating solution containing sulfydryl modified polyurethane and other components, a middle coating layer containing a carbon nanotube forest and a surface coating solution containing a fluorosilicone block copolymer, and sequentially coating, drying and curing; the coated paper and the base material treated by the silicon dioxide transition layer are compounded after being subjected to vacuum hot pressing and steam treatment, and then are subjected to ultraviolet ozone treatment, so that the comprehensive performance is improved. According to the process, by innovating a coating formula and a compounding technology, the wear resistance, pollution resistance and touch performance of the coated paper are remarkably improved, and the functions of antibiosis, temperature sensing adjustment and the like are achieved; the gloss is adjustable, the adhesive force is high, the VOCs emission is low, the environmental protection property is good, and the multi-element requirements of the high-end market are met.

A family of paper tape turn-up constructs for accomplishing automated paper web turnup in paper processing. Methods and apparatus to form the constructs are described. Methods and Apparatus to apply the constructs to paper production equipment are also described. In some examples, the paper tape turn-up construct includes a cover flap to protect an adhesive layer during initiation of the paper web turn up process.

The invention relates to the technical field of papermaking, in particular to modified gypsum, a preparation method of the modified gypsum and application of the modified gypsum in corrugated base paper production. According to the invention, the stabilizer is added to modify the gypsum, so that the obtained modified gypsum not only has the advantage of crystal morphology, but also has obviously reduced solubility in water, and can be stable for a long time. When the modified gypsum is used for preparing corrugated base paper, the papermaking cost can be remarkably reduced under the condition that the mechanical property of paper is met.

The utility model relates to a cutting device for test paper production, which comprises a device body, the upper surface of the device body is fixedly connected with a conveying frame, the inner wall of the device body is clamped with a conveying belt, and the inner wall of the device body is fixedly connected with a mounting frame. According to the device, after parameters are set through the touch panel, automatic and orderly operation can be carried out, the human input is greatly reduced, the production efficiency is improved, and the device is particularly suitable for the large-scale test paper production requirement, meanwhile, an electric hydraulic telescopic rod is matched with an auxiliary pulley to precisely fix test paper, and an electric sliding frame drives a blade to stably move in an electric sliding groove; the test paper cutting device has the advantages that test paper displacement during cutting is effectively avoided, it is guaranteed that the edges of the test paper are neat, the size precision is high, the product quality is improved, the cutting protection plate and the cooling fan protect and cool the blade in the cutting process, the service life of the blade is prolonged, finally, the cut test paper is smoothly discharged under the assistance of the discharging auxiliary fan, and the problems of paper jamming and the like are solved.

The invention relates to an impregnated paper production quality detection method and system based on deep learning, and the method comprises the following steps: S1, obtaining an industrial camera image flow, sensor and process parameters, and event and work order information, and constructing a synchronous data packet; s2, preprocessing the synchronous data packet to obtain preprocessed image data, process data and an ROI mask; s3, obtaining a detection frame set and a segmentation mask set based on multi-model AI detection and segmentation according to the preprocessed image data, the process data and the ROI mask; s4, segmenting the mask set according to the detection frame set, and performing track clustering along the paper feeding direction to form a defect event flow; s5, on the basis of the defect event stream, performing online quality prediction and root cause analysis, and obtaining future interval quality prediction and key factor sorting; and S6, according to future interval quality prediction and key factor sorting, adaptive process optimization is carried out, and an optimal control instruction is obtained. According to the invention, the detection accuracy and fineness are effectively improved, and intelligent identification and cross-frame tracking of defects are realized.

The invention provides high-humidity base paper and a quantifiable preparation process thereof, and relates to the field of paper production and processing. Comprising the following raw materials in percentage by mass: 15%-25% of softwood pulp, 40%-55% of hardwood pulp, 10%-25% of soft fibers, 10%-20% of nanocellulose, 0.5%-1.5% of vegetable fat polymer composite microspheres and 1%-3% of functional aids, wherein the solid content of aqueous suspension of the softwood pulp and the hardwood pulp is 3%-8%; the nano cellulose is subjected to surface modification treatment. According to the paper, coniferous wood pulp long fibers, hardwood pulp short fibers and soft fibers are utilized to form a three-dimensional framework, nano-crystalline cellulose enhances wet load transmission through a nanoscale bridging network, vegetable fat microspheres construct a hydrophobic layer to inhibit moisture permeation, the three components have a synergistic effect, so that the wet tensile strength is improved, and meanwhile, high air permeability is kept; and the balance of water resistance and ventilation is realized.

The invention discloses a quality inspection and early warning system for impregnated paper production, and relates to the field of quality inspection and early warning for impregnated paper production, and the method comprises the steps: directly measuring the real liquid pressure intensity of a paper immersion area through an impregnation parameter collection module, and generating a dynamic pressure intensity deviation in combination with the theoretical pressure intensity calculated by a dynamic pressure intensity calibration module; the valve opening reference value is matched based on the dynamic pressure deviation, the solvent flow is corrected in real time in combination with the liquid level change rate, and the precipitation risk is evaluated by analyzing the concentration reduction amplitude after solvent supplementation and the duration required by solution stabilization; when the risk reaches an activation condition, triggering an anti-precipitation instruction, according to the anti-precipitation instruction, linking a stirrer to stir in a production intermittent period, and injecting a solute to ensure that the concentration reaches the standard; and recording the water level adjusting time length, the concentration compensation time length and the instruction response time length, triggering graded alarm when time is out, and outputting an interrupt reset instruction to a corresponding adjusting module. And the quality control level in the impregnated paper production process is improved.

The invention provides an intelligent production scheduling data analysis method for a platen paper production line, and the method comprises the steps: obtaining the fiber length distribution and the current screen mesh aperture size from a slurry pool, obtaining the real-time capacity level and the production speed of each workshop section from a storage bin monitoring device, and carrying out the data fusion, thereby obtaining an initial dynamic relation matrix; if the agglomeration density is higher than a preset risk threshold value, relevant subsets about the fiber flowing speed and the screen resistance are extracted from the dynamic relation matrix, the size of the screen hole diameter is adjusted through the fiber agglomeration density, meanwhile, the production speed is integrated, and the adjusted material passing rate is obtained; the material passing rate is compared with the current storage bin capacity level to obtain the capacity matching degree, whether the buffer storage space needs to be expanded or not is judged according to the capacity matching degree, and if the material passing rate exceeds the capacity level preset threshold value, the buffer space distribution proportion is increased.

The invention relates to the technical field of waste gas treatment devices, one embodiment of the invention provides a waste gas treatment device for corrugated paper production, the waste gas treatment device comprises a water inlet pipe, a supporting disc, a spraying assembly, a rotating assembly and an angle adjusting assembly, the water inlet pipe is rotatably installed in a treatment tower in a penetrating mode, and the supporting disc is fixedly installed in the treatment tower; the water inlet pipe is rotatably installed on the supporting disc in a penetrating mode, the spraying assemblies are arranged on the two sides of the water inlet pipe and used for spraying waste gas sucked into the treatment tower, and the rotating assembly is arranged on the treatment tower and used for driving the water inlet pipe and the spraying assemblies to rotate, so that the waste gas is evenly sprayed; the spraying angle can be adjusted. By means of the technical scheme, the technical problems that in the prior art, when waste gas is sprayed, most spraying hoppers are fixedly installed, the angle is difficult to adjust, and the waste gas is sprayed unevenly are solved.

The invention relates to the technical field of paper detection, in particular to a paper finished product detection system based on a framework paper production process. By extracting defect information, modeling based on a graph structure and carrying out graph convolution operation to smooth an image, a defect area is accurately identified. Large-scale trend and small-scale local anomaly are separated through a wavelet decomposition technology, errors caused by environmental factors are eliminated through a local adaptive regression method, and the accuracy of thickness deviation is ensured. The density uniformity is calculated through ultrasonic feature extraction, the hyperspectral reflectivity is corrected in combination with a physical compensation method of chemical residues, and the chemical residue index is accurately obtained. The comprehensive quality index of the paper is obtained through comprehensive index calculation, so that whether the finished paper is qualified or not is judged, and a basis is provided for paper production adjustment of a production line.

The reciprocating cutting equipment for thermo-sensitive paper production comprises a processing table top and supporting legs fixedly installed at the four corners of the bottom of the processing table top, side frames are arranged on the two sides of the processing table top, and a top frame is jointly and fixedly installed at the tops of the two side frames; the slitting and cutting machine further comprises a slitting and cutting double-end driving mechanism, an interval dynamic adjustable slitting mechanism and a cutting interval adjustable cutting mechanism. The slitting and cutting-off double-end driving mechanism is arranged at the bottom of the top frame and used for providing pressing power for the interval dynamic adjustable slitting mechanism and the cutting-off interval adjustable cutting mechanism to achieve slitting and cutting-off work. According to the thermal-sensitive paper cutting device, the distance between the cutting knives can be flexibly adjusted without frequently replacing the knives, the cutting requirements of thermal-sensitive paper with different length specifications can be conveniently met, and the problems that according to existing thermal-sensitive paper cutting equipment, the cutting distance is fixed, the cutting position is complex to adjust, and the production efficiency is low due to the fact that the knives need to be frequently replaced or debugged are solved.

The invention is suitable for the technical field of corrugated paper production equipment, and provides a corrugated paper thickness detection device. Comprising a rack; the multi-light-path optical detection module is fixedly installed on the rack and used for synchronously collecting surface height data of corrugated paper at different width positions; the optical displacement compensation unit is mounted on the rack, is arranged at the paper feeding end of the detection device, and is used for acquiring the transverse offset and the longitudinal vibration quantity of the corrugated paper in operation in real time and outputting a compensation signal; and the data processing unit is electrically connected with the multi-optical-path optical detection module and the optical displacement compensation unit, receives the height data of each laser displacement sensor, calculates the actual thickness of the corrugated paper through a preset algorithm, and outputs a thickness detection result. Through cooperation of the multi-light-path optical detection module and the optical displacement compensation unit, the problem that a traditional device is large in detection error due to transverse deviation of corrugated paper is solved.

The utility model discloses drying equipment for self-adhesive paper production, which comprises a box body, four retainers are mounted on the outer side of the section, extending into the box body, of a first fixing rod in an annular array, and two connecting frames are welded to the outer side of the section, extending into the box body, of a second fixing rod. The end, extending into the box body, of the second fixing rod is provided with a second fluted disc, and the end, extending into the box body, of the first fixing rod is provided with a first fluted disc. According to the drying equipment for self-adhesive paper production, through the arrangement of paddles, a first fluted disc and a second fluted disc, after self-adhesive paper needing to be dried is placed on four bearing plates in the box body, a motor drives a second fixing rod to rotate through a transmission structure, and the second fixing rod drives the paddles to rotate through two connecting frames to mix hot air in the box body; the second fixing rod drives the second fluted disc to rotate, the second fluted disc drives the first fluted disc to rotate, the first fluted disc drives the four bearing plates to rotate and ascend and descend through the first fixing rod, and self-adhesive paper in the four bearing plates can be evenly heated.

The invention relates to the technical field of coated paper production, in particular to coated paper production equipment with an automatic feeding function, the coated paper production equipment comprises first feeding equipment, second feeding equipment and a containing hopper which are arranged on a machine base and used for coated paper production, and anti-blocking equipment which is connected with the first feeding equipment and used for blocking prevention is further arranged on the top side of the machine base; the anti-blocking device comprises a transmission structure, a conveying structure, a gas conveying assembly and a knocking assembly which are arranged above the machine base, the transmission structure is connected with the first feeding device, and the transmission structure and the conveying structure are connected. According to the coated paper production equipment with the automatic feeding function, the knocking assembly periodically knocks the outer wall of the conveying pipe to generate vibration, materials are effectively prevented from being stacked, bridged or blocked in a pipeline, knocking points directly act on the conveying pipe prone to being blocked, the effect is direct and remarkable, meanwhile, the anti-blocking action is completely driven by power of the production equipment, and the production efficiency is improved. Extra manual intervention or external energy is not needed, and the operation complexity and cost are reduced.

The invention provides a wastewater multi-stage treatment device for paper production, and relates to the technical field of wastewater treatment.The wastewater multi-stage treatment device comprises a tank body, a disinfection mechanism is arranged in the tank body, the outer surface of an inner cylinder is rotationally connected with a rotating ring plate through a bearing, and the upper surface of the rotating ring plate is fixedly connected with a first gear ring; the outer surface of the inner cylinder is rotatably connected with a plurality of supporting rods through bearings, and the outer surfaces of the supporting rods are fixedly connected with first gears. According to the invention, the ultraviolet lamp mounted on the outer surface of the rotating cylinder realizes multi-angle dynamic irradiation; by means of the design, the contact area of ozone and wastewater is remarkably increased, the coverage range and the sterilization path of the ultraviolet lamp are more comprehensive, the two treatment modes of ozone sterilization and ultraviolet irradiation act synergistically, the inactivation and decomposition effects on bacteria, viruses, organic pollutants and the like in the wastewater are effectively enhanced, the overall sterilization treatment efficiency is greatly improved, and the treatment cost is reduced. The wastewater treatment quality is ensured.

The invention discloses an intelligent adjustment method and system for a corrugated paper production line, and relates to the technical field of intelligent control adjustment, and the method comprises the steps: monitoring and recognizing the position of corrugated paper through a sensor array disposed at a key node of the production line, and extracting technological characteristic parameters; the method comprises the following steps: constructing a process state characteristic data set through a sensor array deployed at a key node of a production line, analyzing the moisture content of the surface and the inner core layer of corrugated paper to obtain an internal humidity gradient value of a paperboard, and calculating evaporation rates under different humidity gradients in combination with drying plate temperature data and drying time to obtain a temperature evaporation rate set; the paperboard deformation change rate analysis is carried out based on the drying temperatures of the paperboard under different water contents, an adjustment decision model for controlling the drying board temperature during hot pressing is constructed by determining the safety deformation risk probability and obtaining a paperboard preliminary risk intervention data set, and the adjustment decision model is converted into an equipment execution command based on a collaborative regulation strategy. And transmitting to production line intelligent equipment for real-time adjustment.

The invention provides an intelligent guiding dynamic preheating regulation and control method and system for corrugated paper, relates to the field of corrugated paper production, and solves the technical problem of uneven heating of the corrugated paper in the prior art. The method comprises the steps that in front of an inlet of a preheater, full-breadth scanning is conducted on advancing corrugated base paper, and initial state parameters of all transverse points of the corrugated base paper are obtained; according to the initial state parameter, independently adjusting the heat source supply amount of the transverse partition corresponding to the preheating roller; according to the initial state parameters and the vehicle speed of the production line, the wrapping angle of the body paper on a preheating roller is adjusted through a feedforward control method; and detecting a final state parameter of the body paper at an outlet of the preheater, comparing the final state parameter with a preset target value, and performing secondary adjustment on the heat source supply quantity and the coating angle according to a comparison result. The preheating device is used for the preheating link of the corrugated paper production line.

The utility model relates to the technical field of waste scrapers, in particular to an adhesive waste scraper for paper production, which comprises a bearing seat, a roller is rotatably connected onto the surface of the bearing seat, a tool changing mechanism is arranged on the surface of the bearing seat, and the tool changing mechanism comprises a support plate. And the surface of the supporting plate is fixedly connected to the surface of the bearing seat, a rotating rod is rotationally connected to the surface of the supporting plate, and an adjusting rod is fixedly connected to the surface of the rotating rod. The adjusting rod is made to rotate on the supporting plate through the rotating rod, the adjusting rod drives the scraper bodies to rotate through the connecting rod and the mounting rod, so that position exchange between the two sets of scraper bodies is achieved, the positioning rod limits rotation of the rotating rod through the limiting plate and the movable rod, and then the positions of the scraper bodies on the adjusting rod are limited. The scraper body can be quickly switched, so that the downtime of paper production equipment is shortened, and the production efficiency of paper is guaranteed.

The invention relates to the technical field of laminated paper production, and provides ultra-low gram weight PLA laminated paper production equipment and a production technology.The ultra-low gram weight PLA laminated paper production equipment comprises a casting machine device and a hot press device, the discharging end of the casting machine device is located on the upper side of the hot press device, a plurality of heating rotating rollers are arranged on the hot press device in a transmission mode, and the heating rotating rollers are located on the upper side of the hot press device; the hot press device is fixedly connected with the trapezoidal groove frame, the heating rollers are rotationally arranged on the trapezoidal groove frame, the discharging end of the casting machine device is located on the side of the heating roller on the middle side, and a material receiving barrel is arranged between the trapezoidal groove frame and the heating roller on the middle side; the material receiving barrel is located on the lower side of the middle side heating rotating roller after rising, and a film guiding assembly is rotationally arranged in the material receiving barrel. According to the technical scheme, the problem that in the prior art, residual polylactic acid raw materials in a casting machine are difficult to discharge is solved.