105 results about "Particle board" patented technology

The invention discloses a shaving board flatness and surface defect on-line detection device, and belongs to the technical field of shaving board optical detection.The shaving board flatness and surface defect on-line detection device comprises conveying roller equipment used for conveying shaving board bodies, a driving mechanism is erected on the conveying roller equipment, and a light adjusting mechanism is arranged in an outer shell of the driving mechanism; the light adjusting mechanism comprises a mounting frame, U-shaped frames and side frames, each U-shaped frame is provided with a first rotating shaft and a second rotating shaft, the two first rotating shafts are jointly wound with a first light-transmitting belt for adjusting illumination light, and the two second rotating shafts are jointly wound with a second light-transmitting belt for adjusting light colors. The light intensity can be automatically adjusted, shaving boards of different types and different roughness degrees can be adapted, the light intensity is adjusted to resist diffuse reflection or avoid overexposure, meanwhile, light colors are changed according to the defect types of the shaving boards and the color of the board surface, defect characteristics are enhanced, interference of wood dust is isolated, and the recognition precision is improved.

The invention relates to the technical field of shaving boards, and discloses a preparation method of an anti-deformation moisture-proof shaving board and the shaving board, the preparation method comprises the following steps: S1, sorting: sorting to obtain surface layer fine materials and core layer wood shavings; s2, glue applying, wherein urea-formaldehyde glue I is applied to the surface layer fine materials, and urea-formaldehyde glue II and MDI glue are applied to the core layer wood shavings; the urea-formaldehyde glue I and the urea-formaldehyde glue II are both melamine modified urea-formaldehyde glue; s3, moisture prevention is conducted, specifically, a waterproof agent and a mildew preventive are applied to the surface layer fine materials and the core layer wood shavings correspondingly, and then a curing agent is applied to the core layer wood shavings; s4, paving is conducted, specifically, laminated paving is conducted according to surface layer fine materials, core layer wood shavings and surface layer fine materials, and a plate blank is obtained; and S5, hot pressing, wherein the plate blank is subjected to hot pressing. Melamine modified urea-formaldehyde glue is adopted for sizing, different sizing processes are adopted for the surface layer and the core layer, the wood shaving units are tightly glued together, and the shaving board good in humidity resistance and size stability is prepared.

The utility model discloses a wood shaving mucilage glue preparation device which comprises a glue mixing mechanism. The output ends of the multiple groups of raw material tanks are communicated with the input end of the glue mixing mechanism through material conveying pipes, and all the material conveying pipes are provided with raw material control valves and flow meters; the wood shaving weighing hopper can be mounted on a wood shaving input port of the wood shaving glue mixer; the input end of the glue spraying mechanism is communicated with the output end of the glue mixing mechanism through a glue conveying pipe, a glue outlet control valve is arranged on the glue conveying pipe, and the glue spraying mechanism can be installed on a glue input port of the wood shaving glue mixer; the glue removing part is movably mounted at the output end of the glue spraying mechanism; and the control system can respectively control the opening or closing of the glue outlet control valve and all the raw material control valves according to the weighing value of the wood shaving weighing hopper and the counting value of the flow meter. According to the utility model, the configuration amount of glue can be dynamically adjusted, and the stability and uniformity of glue application are ensured.

The present invention discloses a particle board surface defect detection device, comprising a base, a conveyor belt body, a detection structure, a first limit assembly, a transfer structure and a moving structure; the conveyor belt body is fixedly arranged on the middle part of the upper wall of the right end of the base, and the detection structure is fixedly arranged on the base and is located above the middle part of the conveyor belt body. The present invention relates to the technical field of particle board production detection equipment. The present invention has high detection accuracy and realizes dual detection of vision and ranging. Double detection can be achieved through staggered swinging to ensure the accuracy of the detection results. The camera swing stroke is adjustable and can be flexibly adjusted according to boards of different widths, which enables the equipment to adapt to the detection needs of particle boards of various specifications. The moving structure can turn the board over when it is horizontally conveyed for detection, thereby realizing double-sided detection of the board.

The present invention discloses a descaling device and method for an air-energy water tank, including a water tank body, wherein a support tube is fixedly connected to the water tank body, the internal threaded ring is screwed to a threaded rod, and the threaded rod is movably connected to the support tube, a second connecting ring is sleeved on the outer side of the first connecting ring, a connecting groove is provided in the end of the connecting block away from the second connecting ring, the liquid storage chamber is provided in the second connecting ring, the sealing plate is fixedly connected to a shift rod on the side close to the support block, the shift rod extends into the connecting groove at one end away from the sealing plate, and a plurality of groups of particle boards are fixedly connected to the lower end of the second connecting ring; when the second connecting ring moves up and down and rotates, the prepared cleaning liquid is evenly sprayed on the scale surface on the inner wall of the water tank body, and the scale can be broken into powder and discharged by the rotation of the particle board, so as to prevent the scale from being blocked in the first drain pipe when being discharged, and the scale can be completely scraped off by scraping by the plurality of groups of arc plates.

The utility model discloses a shaving board dedusting and drying device, which relates to the technical field of shaving board processing and comprises a supporting cylinder, two supporting plates are fixed at the bottom of the supporting cylinder, a dust collecting component is mounted at the bottoms of the two supporting plates, a driving motor and a drying component are mounted on the dust collecting component, and a support column is rotatably connected to the bottom of the inner side of the supporting cylinder through a bearing. The supporting column is driven by a driving motor, a supporting plate is fixed to the top end of the supporting column, and a plurality of bearing assemblies distributed in a circular array are installed at the top of the supporting plate. The shaving boards are lifted by the bearing assemblies, the supporting columns are driven by the driving motor to pull the supporting plate to rotate, the supporting plate drives the bearing assemblies and the shaving boards lifted on the bearing assemblies to rotate at the same time, the shaving boards can be helped to throw away dust attached to the surfaces of the shaving boards by means of centrifugal force, and self-purification is completed; the drying assembly is matched with the supporting cylinder to wrap the bearing assembly and the shaving board on the bearing assembly, and the shaving board is dried through hot air while the shaving board rotates.

The invention discloses a preparation method of a non-grain oil-based formaldehyde-free bamboo particle board. The non-grain oil-based bamboo particle board is prepared from a non-grain oil-based adhesive and bamboo particles. The non-grain oil-based adhesive is prepared from the following raw materials: an oil refining byproduct, glycidyl methacrylate, epoxy resin, a reinforcing agent, triethylene diamine and tert-butyl peroxybenzoate. The preparation method comprises the following steps: S1, preparing the non-grain oil-based adhesive; s2, uniformly spraying glue; s3, mechanically mixing; and S4, hot press molding. According to the method, the non-grain and non-oil waste grease mixture is used as the raw material to prepare the adhesive, the bamboo processing waste is glued to prepare the bamboo particle board, and high-value utilization of the bamboo processing waste and grease refining by-products is achieved; the prepared adhesive has the characteristics of high bio-based content, excellent bonding strength, good weather resistance, no formaldehyde, low cost, reproducibility and the like; the prepared bamboo particle board is free of formaldehyde release and has excellent mechanical performance, water resistance and high temperature resistance.

The utility model relates to the technical field of particle board processing, in particular to a particle board processing device which comprises a belt type board cooling device, a plurality of groups of board cooling frames are distributed on a conveying belt on the belt type board cooling device in the length direction, and each group of board cooling frames is composed of a plurality of groups of board cooling rods in the width direction of the conveying belt. The grating platform is fixed at the front end of a rack of the belt type plate cooler; the intermittent pushing mechanism is also arranged at the front end of the rack of the belt type plate cooling device, and the intermittent pushing mechanism is composed of an intermittent upper swing assembly installed on the rack and a pushing wheel set installed at the front side end of the intermittent upper swing assembly; the pushing wheel set comprises a transverse shaft rotationally installed at the front end of the intermittent upper swing assembly and multiple sets of plate conveying wheels fixedly arranged on the transverse shaft in a sleeving mode, the intermittent upper swing assembly is used for intermittently driving the transverse shaft to swing upwards to be close to the bottom wall of the grating platform, and the upper middle portions of the plate conveying wheels extend out of gaps of the grating platform to make contact with the bottom wall of a particle plate. Particle plates are pushed in place after the plate feeding wheels rotate, and arrangement of a large number of rollers is replaced.

The utility model relates to the technical field of flatness detection, and discloses a shaving board flatness detection device which comprises a supporting table and further comprises a movable plate located above the supporting table. The plate body can be effectively fixed through the arranged fixing assembly, so that the conditions of displacement and the like of the plate body are avoided, the position of the plate body can be effectively adjusted and moved through the arranged adjusting assembly, and the plate body can be collected through the arranged collecting assembly. The device can effectively collect and process particle impurities adhered to the outside of the plate body, can effectively clean dust, particles and other impurities adhered to the outside of the plate body through the arranged scraping and cleaning assembly, thereby preventing the dust, particles and other impurities from affecting the flatness detection result of the plate body, and can effectively improve the flatness detection accuracy through the arranged mounting assembly. A worker can conveniently disassemble and replace the sticking roller, and the overall practicability of the device is further improved.

The present invention relates to the field of metal debris collection technology, specifically, to a metal debris collection and cleaning device. It includes a base, the top of the base is fixedly connected to an organic box and a collection box, the inside of the collection box is fixedly connected to a support plate near the top, and the end of the collection box is fixedly connected to a particle board. The debris is transported to the inside of the collection box by a conveying component, the metal debris entering the collection box is crushed by a crushing component, and the debris entering the collection box is classified and collected by a screening component. When the screening component is blown by wind, the blade of the crushing component is driven to flip, so that the crushing component can lift up large pieces of debris that have not been filtered out for secondary crushing while crushing the debris, thereby avoiding clogging of the screening component. At the same time, the blown debris collides between the crushing component and the collection box, making it easier to be acted upon by the crushing tool, thereby improving the uniformity and efficiency of the crushing.

A structure of two sections of particle board each having a top surface respectively, constructed of a laminate sheet of a material such as plastic or polycarbonate affixed to the top surface of the two sections. The two sections each having an end portion mounted to the free ends of the two sections.

The utility model belongs to the field of shaving board processing technology especially is a kind of shaving board cutting equipment, including processing table, the bottom of processing table is equipped with support seat, the upper end of processing table is equipped with two guide plates, two the guide plate between the common sliding connection has slide, the slide is equipped with cutting assembly in, one end of one guide plate is equipped with hydraulic cylinder, the telescopic end of hydraulic cylinder is connected with slide, the upper end of processing table is equipped with two sliding slot, and the positioning assembly is equipped on the processing table;Cutting assembly includes the limiting plate of being installed in slide, two sliding blocks are connected in the limiting plate on slidingly.The utility model is positioned to the middle part of the two sides of shaving board by the setting of positioning assembly, to ensure cutting stability;And by the setting of cutting assembly, the two sides of shaving board can be cut simultaneously, and the interval of two sides cutting is conveniently adjusted, cutting efficiency is improved, and flexibility is improved.

The invention relates to a method for manufacturing reusable concrete formwork panels and to a reusable concrete formwork panel in concrete casting. In order to provide a method for manufacturing concrete formwork panels which can be used multiple times and which is inexpensive to manufacture, and a concrete formwork panel, wherein the concrete formwork panel is also suitable for fair-faced concrete casting, a particle board or oriented strand board having two cover sides and side faces is first provided, a water-based two-component coating composition is then applied to at least one cover side in liquid form, wherein one component of the coating composition has a thermosetting carrier resin and the second component comprises at least one release agent component. Finally, the coated coating composition is cured in a hot press, thereby forming a closed coating on the particle board or oriented strand board.

The utility model relates to the technical field of composite wood boards, in particular to a composite waterproof blockboard which comprises a solid wood board, wood shaving boards and technical wood veneers, the wood shaving boards are arranged on the upper surface and the lower surface of the solid wood board respectively, the technical wood veneers are arranged on the other faces of the wood shaving boards, and the wood shaving boards are small in wood chip particle and low in glue content. The modern green and environment-friendly household theme is better met, and the service life of the solid wood board in the blockboard can be prolonged. In addition, the wood shaving board is made of wood shavings, an adhesive and paraffin in a hot pressing mode, and the better waterproof performance can be achieved; the wood shaving board is a multi-layer shaving board, the hardness support of technical wood veneers on the outer surface can be remarkably improved, and the wood shaving board is lighter, better in flexibility, convenient to machine and easy to operate and further has the good heat preservation, sound insulation, moisture prevention and other characteristics. The wood fireproof coating layer is arranged on the side, away from the solid wood board, of the wood shaving board, the fireproof function is achieved, and the requirements for decoration and furniture fireproof performance in the living environment can be met.

The present application relates to the field of plate, concretely relates to a kind of shavings board with antibacterial functional property and preparation process thereof.The shavings board is prepared by hot pressing from shavings and adhesive, wherein the adhesive is prepared from bisphenol A epoxy resin, phosphoric acid tris (2-chloropropyl) ester flame-retardant graft, tea saponin graft as main raw material, with curing agent, antioxidant and the like as auxiliary materials, by mixing preparation.The phosphoric acid tris (2-chloropropyl) ester flame-retardant graft and tea saponin graft component are added in the adhesive, wherein tea saponin graft and phosphoric acid tris (2-chloropropyl) ester flame-retardant graft substance play a role, so that the prepared shavings board has strong antibacterial property and flame retardancy, expands the application field of shavings board.

The utility model discloses a shaving board edge trimmer waste board smashing and recycling mechanism which comprises an upper end plate, the upper end plate is arranged on an upper frame through bolts, the upper frame is arranged above a conveyor, a cutting machine is fixedly arranged on the inner side of the vertical side wall of the upper frame through bolts, and the output end of the cutting machine is connected with a saw blade. A first baffle is connected to the end of the upper end plate, a mounting plate is arranged on the side face of the first baffle, the two ends of the mounting plate are connected with the upper frame through stand columns and bolts, a first shaft is rotationally arranged on the inner side of the mounting plate through a bearing, and a second shaft is rotationally arranged on the inner side of the mounting plate and the side face of the first shaft through a bearing. According to the on-line plate edge crushing device, the functions of on-line plate edge crushing, chipping splashing prevention and cleanliness of the conveying belt are achieved.

The present invention provides a particle board selection method and a particle board composite board. The technical solution mainly includes the following steps: establishing a first RVE model of a two-dimensional representative volume unit with random distribution of particles; applying strain in the horizontal and vertical directions of the first RVE model to obtain stress cloud maps of horizontal loading and vertical loading; based on the stress cloud map, using a first mathematical model to calculate the volume average modulus to obtain the elastic modulus of particles of different sizes in the x-direction and y-direction; using a second mathematical model to select the particles of different sizes that meet the second mathematical model and form a first observation group; statistically analyzing the first observation group to obtain the selection range of the length and width of the rectangular particle board. A particle board composite board is also disclosed, including a surface board and the particle board obtained by the above selection method. The present solution can optimize the selection range of the particle board, so that the particle board has excellent mechanical properties.

The utility model relates to the technical field of dry-hanging back ventilation systems, and discloses a veneer bearing plate capable of being used for a dry-hanging back ventilation system, which comprises a dry-hanging curtain wall panel, and the front side of the dry-hanging curtain wall panel is provided with a first keel supporting assembly or a second keel supporting assembly. According to the facing bearing plate capable of being used for the dry-hanging back ventilation system, the first facing bearing plate body and the second facing bearing plate body can be installed together through the first keel supporting assembly, the third facing bearing plate body can be installed through the second keel supporting assembly, different installation modes can be selected for installation, and particle plates made of recycled glass particles are utilized; the glass particles of the recycled resources can reduce consumption and harm of the natural environment, meanwhile, the weight of the veneer bearing plate is low, the veneer bearing plate is beneficial to reducing the load of a building structure and reducing the burden of construction and installation personnel and mechanical equipment, the veneer bearing plate has the bending and curved surface functions, complex curved surfaces and 3D modeling can be achieved easily, and practicability is high.

The application discloses a kind of ammonium sulfite composite long-acting artificial board aldehyde-reducing agent and its preparation method and application, belong to artificial board auxiliary technical field.Product is ammonium sulfite as main aldehyde-removing component, compound ammonium bisulfite, modified urea, ethylene glycol and sodium citrate-potassium dihydrogen phosphate buffer system.The application solves the problem that single ammonium sulfite aldehyde-reducing agent is easy to oxidize and stratify, high-temperature failure, board late aldehyde return, damage glue strength, finished product pH is stable, storage period can reach more than 6 months, aldehyde-reducing efficiency is excellent, after adding, can stabilize the formaldehyde of artificial board to E0 grade, raw material cost is low, suitable for particle board, density board industrialization mass use.

The utility model discloses an automatic shaving board gluing device, which relates to the technical field of shaving board processing and comprises a conveying belt, a centering mechanism is mounted on one side of the conveying belt, a gluing mechanism is mounted on one side of the conveying belt and comprises a supporting plate, one end of the supporting plate is fixedly connected to one side of the conveying belt, and the other end of the supporting plate is fixedly connected to the other side of the conveying belt. According to the glue scraping device, the electric push rod works to drive the moving block to move and the two rotating plates to rotate, the moving plate is driven to move, the distance between the two scrapers can be adjusted, the two scrapers make contact with the side edge of the shaving board, glue overflowing to the side edge of the shaving board is scraped away, and redundant glue is prevented from forming glue beads or glue blocks on the side edge of the shaving board; other impurities are adsorbed, so that the edge of the shaving board looks uneven, and the processing quality of the shaving board is influenced.

1. Name of the product in this design: Toy (Power Particle Board). 2. Purpose of this design: This design is intended as a toy for children to play with. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention discloses a formaldehyde-free water-resistant soybean meal-based composite adhesive and a preparation process of the formaldehyde-free water-resistant soybean meal-based composite adhesive on a multifunctional artificial board, and relates to the technical field of bio-based adhesives and wood processing. The adhesive is prepared from a soybean meal main raw material, a plant-based composite cross-linking system, a nano-mineral synergistic reinforcing phase, an interface regulating agent and a compound curing agent through a two-stage mixing technology, and the problems that a traditional soybean meal adhesive is poor in water resistance, uneven in dispersion, limited in applicable plate type, single in function and the like are solved. The obtained adhesive is free of formaldehyde release, the prepared artificial board (multilayer plywood, shaving board, fiberboard and the like) is free of glue failure after being boiled in boiling water for 2 h, the normal water absorption rate is smaller than or equal to 8%, the dry static bending intensity is larger than or equal to 15 MPa, meanwhile, the antibacterial rate is larger than or equal to 90%, the technology is compatible with an existing production line, the cost is reduced by 30%-40% compared with a traditional PAE type adhesive, and the adhesive is suitable for industrial production. The composite board can be widely applied to the fields of boards for furniture manufacturing, indoor decoration and humid environments.

The utility model discloses an edge cutting waste guiding device for shaving board production, and relates to the technical field of board production waste collecting equipment. The device structurally comprises a waste guide frame, an electric feeding wheel and an unpowered roller. The waste guide frame comprises a row of H-shaped support frames; an inclined rectangular flow guide plate is fixed at the upper part of the row of H-shaped support frames; a horizontally arranged rectangular frame plate is fixed on a half part of the upper end of the rectangular guide plate; and a horizontally arranged right triangle frame plate is fixed on the other half part of the upper end of the rectangular guide plate. Through cooperation of the electric feeding wheel and the unpowered roller, automatic conveying and discharging of plate edge strip waste are achieved, the requirement for manual intervention is remarkably lowered, and the problems of plate damage, equipment failures and the like caused by the fact that the waste invades into an assembly line are effectively solved through the arrangement of the limiting baffle. And due to the design of the waste batten storage frame, waste can be collected and stacked in a unified mode, follow-up carrying and treatment are facilitated, and meanwhile operation of mechanical equipment such as a forklift is facilitated.

The present application relates to the technical field of machine vision, and discloses a kind of based on machine vision's shaving board surface defect intelligent detection method and system, a kind of based on machine vision's shaving board surface defect intelligent detection method, comprising the following steps: step S101, determine the main direction of wood grain;Step S102, calculate and obtain harmonic ridge curvature index;Step S103, generate curvature field;Step S104, generate each pixel defect probability graph;Step S105, generate binary defect mask;Step S106, connected domain analysis outputs defect detection result.The present application locks the main direction of wood grain by frequency domain analysis, removes periodic texture interference using harmonic ridge curvature index, constructs anisotropic curvature field and applies rotated directional convolution kernel, and adaptively extracts features along the direction of wood grain, thereby distinguishing wood grain texture from real defects, reducing false positive rate and false negative rate.

The invention discloses a shaving board reinforced by a fiber reinforced polymer layer and a preparation method and application thereof, and belongs to the technical field of wood composite materials. The shaving board comprises a shaving board base material and an FRP layer bonded to at least one surface of the shaving board base material. Wherein the FRP layer is composed of carbon fiber cloth and epoxy resin; the thickness of the shaving board base material is 18 mm, the density is 0.64-0.72 g / cm < 3 >, and the surface density of the carbon fiber cloth is 300 g / m < 2 >. The bending strength of the prepared FRP-PB reaches 53.98 MPa under the standard condition, and the strength retention rate reaches 84.8% after high-humidity or heat-moisture treatment; under normal humidity, the creep quantity is lower than that of a common protection plate and is equivalent to that of an oriented strand board; after high-humidity treatment, the FRP-PB shows more excellent creep resistance than a common shaving board and an oriented shaving board; the invention is especially suitable for bathroom cabinets, kitchen cabinets and other furniture and building built-in components.

The invention relates to a copper plate particle detection method and system based on edge detection and dynamic region division, and belongs to the technical field of computer vision and metal material quality detection. Comprising the following steps: firstly, obtaining an original surface image of a copper plate containing a #-shaped steel belt, preprocessing the original surface image to obtain a de-noised grayscale image, and outputting an illumination normalized grayscale image through contrast-limited adaptive histogram equalization to eliminate illumination interference. Then, salient edges are extracted through edge detection to obtain a binary edge image, Hough transform is input to obtain a #-shaped steel belt linear equation, coordinates of intersection points are calculated, and a Sudoku area is divided; and extracting features of each sudoku region to obtain feature vectors, inputting the feature vectors into a multi-layer perceptron model for training, then using the feature vectors for particle detection of a new image, and outputting a result in combination with a dichotomy criterion. And finally, a result is transmitted to a programmable logic controller through an industrial Ethernet or serial port communication, and an execution mechanism is driven to paste distinguishing labels for the particle board and the good board respectively.

The present application belongs to the technical field of quality detection, and specifically relates to a shaving board surface defect online detection and grading method based on machine vision, wherein a linear array polarization imaging image, a laser line scanning depth image and a binocular visible light sequence image are acquired, edge profiles, polarization degrees, three-dimensional deformation and thickness deviation features are extracted, binocular visible light sequence images are fused, and a defect multi-dimensional feature vector is constructed; dynamic calibration is performed according to production line operation parameters and environmental light, a calibrated defect feature descriptor is generated, an improved YOLOv8-PCANet network is used to identify defect categories and regions, geometric sizes and distributions are calculated in combination with sub-pixel edge positioning, weights are calculated through a defect hazard quantification model, a multi-dimensional grading decision model is constructed in combination with safety standards and process grading rules, quality grades are output and grading control instructions are generated, and an execution mechanism is driven to complete grading and sorting. Thus, the problems of low detection efficiency and poor recognition accuracy in the prior art are solved.

This utility model discloses a heating and feeding device for a particleboard hot press, including a conveyor. A storage bin is provided on one side of the conveyor, and hydraulic push rods are fixedly installed on both sides of the bottom upper surface of the storage bin. In this utility model, the particleboard is placed on a feeding plate on an inclined plate. The second motor on the mounting plate is activated, driving a reciprocating screw to rotate. Through the use of a connecting block and a connecting groove, a first moving block is limited, allowing it to move on the reciprocating screw. Simultaneously, the movement of the first moving block moves the feeding plate at one end of the connecting block, thus conveying the particleboard into the storage bin. Activating the hydraulic push rod moves the top plate, ejecting the particleboard. Then, activating the electric cylinder moves the push plate, pushing the particleboard onto the conveyor. The conveyor then transports the particleboard into the hot press body, automatically feeding the particleboard.

The invention relates to a method and an apparatus for the process-optimized production of manufactured wood boards, in particular particle boards. In order to provide a method and an apparatus for the process-optimized production of manufactured wood products which make it possible to optimize quality while providing continuous quality assurance, which allow the best possible control variables to be determined particularly easily and quickly, and which also guarantee continuous production that results in the lowest possible wastage while maintaining the highest possible level of process stability, the invention provides the following: at least one process parameter, in particular the water content and / or the pH value, is measured in the course of the method by means of near-infrared spectroscopy and the measured values of the at least one process parameter are then sent to a control unit for process optimization and / or process-optimized control of the method, wherein the measurement of the at least one process parameter is taken at one or more positions, selected from: a position immediately upstream of the gluing, in particular between a dry raw chip hopper and the gluing station; a position immediately downstream of the gluing, in particular between the gluing station and a chip material distributor and / or a dispersing station; a position in the provision phase immediately downstream of a timber yard, in particular between the timber yard and a subsequent dryer; and / or a position in the provision phase immediately downstream of a dryer, in particular between the dryer and a sieving station and / or a dry raw chip hopper.

The present application relates to the technical field of shaving board preparation, and proposes a kind of flame-retardant shaving board and preparation method thereof, the preparation method of flame-retardant shaving board includes the following steps: step 1: under the protection atmosphere, raw materials such as isophorone diisocyanate, polycaprolactone diol are mixed to prepare prepolymer;Step 2: after the reaction of prepolymer and trimethylolpropane, modified polyurethane emulsion is obtained by emulsification;Step 3: dry shaving and emulsion are mixed, and hot-pressing is formed, to obtain flame-retardant shaving board.Have the advantage: the modified monomer of chemical synthesis in the application is reacted with isocyanate through hydroxyl group, and is chemically bonded into polyurethane adhesive, avoids the migration problem of various additives in traditional physical addition mode, effectively improves the flame-retardant performance, antibacterial characteristics and water resistance of the prepared shaving board.