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52results about "Wood damping" patented technology

Wood template-supported phase change composite for thermal energy applications

Wood template-supported phase change material (PCM) composite having thermal energy storage applications. A wood template-supported PCM may include a wood template that has had at least a portion of its xylan and / or lignin removed and saturated with a PCM. The PCM may be stabilized with a cross linkable network for improved infiltration into the wood template. The wood template-supported PCM composite may be formed by extracting xylan and / or lignin from the wood to create a wood template, densifying at least a portion of the wood template, and inserting a PCM into the wood template.
Owner:ALLIANCE FOR ENERGY INNOVATION LLC

Mildew-proof and moth-proof bamboo chip and treatment process thereof

The invention relates to a mildew-proof and moth-proof bamboo chip and a treatment process thereof, and belongs to the technical field of bamboo chip preparation, and specifically, the treatment process comprises the following steps: washing and soaking a bamboo chip, treating the bamboo chip in an environment of 120-140 DEG C and 75-85 RH%, spraying a NaOH solution, then carrying out first heat treatment, dipping the treated bamboo chip with a compound enzyme solution, adjusting the pH value of the system to 4.5-5.0, and carrying out second heat treatment on the bamboo chip; adding a chelating agent, reducing the temperature of the system to 45-50 DEG C, adding an inorganic mildew removing agent, and treating for 1-2 hours; heating the bamboo chips to 160-180 DEG C, and treating the bamboo chips for 2-2.5 hours; and drying and shaping treatment: drying the bamboo chips at 40-50 DEG C, and carrying out hot pressing and shaping to obtain the mildew-proof and mothproof bamboo chips. According to the process, through optimization design and combination of physical, chemical and biochemical treatment means, the living environment of insects and fungi is fundamentally destroyed, the nutrition source of the insects and fungi is blocked, and the long-acting and environment-friendly mildew-proof and mothproof effects are achieved.
Owner:JIANGXI YANTONG BAMBOO IND CO LTD

Solid wood floor secondary balance humidifying method for dynamic water content closed-loop control

The invention provides a solid wood floor secondary balance humidifying method based on dynamic moisture content closed-loop control. The solid wood floor secondary balance humidifying method comprises the steps that a wood digital structure model is established; based on the wood digital structure model, a deep learning algorithm is used for recognizing a high-density area and a low-density area, laser micropore machining is conducted on the high-density area, surface sealing treatment is conducted on the low-density area, and preprocessed wood is obtained; sequentially carrying out silane coupling agent pretreatment and titanate coupling agent modification treatment on the pretreated wood, and automatically adjusting temperature and humidity parameters in a cabin when detecting that the moisture content drift is greater than 0.3%, so as to control the moisture content of the wood in a range of 8-10%; and the wood obtained after dipping treatment is subjected to programmed heating curing treatment, heat of high-temperature gas generated in the curing process is recycled through a heat exchanger and used for a humidity adjusting process, and a cured solid wood floor product is obtained.
Owner:JIUSHENG WOOD

Automatic sheet collecting device for rotary cutting of raw wood

The utility model relates to the field of raw wood processing, in particular to a raw wood rotary-cut automatic sheet collecting device which comprises a supporting frame and a discharging mechanism. A conveying device used for conveying wood chips is arranged on the right side of the supporting frame, and a discharging mechanism used for collecting the wood chips is fixedly connected to the left side of the supporting frame. The discharging mechanism comprises a guide frame, a guide rod, a receiving block and a compression spring a, the guide frame is fixedly connected to the left side of the supporting frame, a frame plate used for guiding wood chips is arranged on the upper portion of the guide frame, the receiving block is slidably connected to the lower portion of the guide frame and located below the frame plate of the guide frame, and the compression spring a is fixedly connected between the guide frame and the receiving block. According to the wood chip collecting device, the guide frame is arranged to guide the collecting position of the wood chips and is matched with the material receiving block to collect the wood chips, the wood chips are automatically and neatly collected, the wood chip collecting effect is improved, the collecting process is not affected by people, and therefore the collecting efficiency can be improved.
Owner:GANZHOU HANSHUNYUAN ENVIRONMENTAL PROTECTION TECH CO LTD

Method for producing colored wood

Provided is a method for producing colored wood, the method including: a step of impregnating a block of wood with an organic acid aqueous solution containing an organic acid; and a step of performing steam treatment at high temperature and high pressure on the block of wood in a wet state of being impregnated with the organic acid aqueous solution while keeping the block of wood in the wet state. In the steam treatment, the temperature is 110° C. or more and 160° C. or less and the pressure is a saturated steam pressure at the temperature.
Owner:PANASONIC HOUSING SOLUTIONS CO LTD

Method for softening and slicing of a very hard wood

This invention relates to the field of wood processing technology, and provides a novel method for preparing slicing from the decay and softening of extra-hardwood. The method includes the following steps: immersing a wood sample in a water-filled container, first applying a vacuum, then depressurizing and maintaining the pressure for a period of time to allow liquid water to penetrate the wood cell cavities; heating the immersed sample and applying a vacuum again to cause the liquid water to boil and vaporize; extracting the sample after the bursting treatment with cold and hot water sequentially to remove extractives from the wood and reduce its decay resistance; adjusting the moisture content; treating the sample with brown rot fungi to cause decay and softening on the axial surface of the sample; soaking the sample in water and then freezing it until it is solid, followed by slicing. This invention can successfully produce slicings of extra-hardwood, providing a strong theoretical foundation and technical means for studying the structure of extra-hardwood, predicting its physical and mechanical properties, and improving its high-value-added processing and utilization.
Owner:ANHUI AGRICULTURAL UNIVERSITY

A method for preparing wood for archaeometric research

PendingCN122232016AFungiWood treatment details
This invention discloses a method for preparing archaeological-style wood for cultural relic conservation research, belonging to the field of cultural relic conservation technology. The method includes: wood selection and pretreatment; gradient-zone degradation treatment, constructing a temperature gradient field, radiation gradient field, or gas concentration gradient field to form a structure with gradually changing degradation levels; directed colonization and metabolism of microorganisms, introducing microbial communities with the ability to degrade cellulose, hemicellulose, or lignin in stages; transitional environment simulation, periodically regulating temperature, humidity, and gas composition; and stabilization and termination treatment, using gamma-ray irradiation or ethylene oxide gas fumigation. This invention, through the synergistic effect of gradient degradation, staged microbial colonization, and environmental simulation, prepares archaeological-style wood with continuous gradient changes in chemical composition and microstructure, providing a high-fidelity and controllable experimental sample for cultural relic conservation research.
Owner:NANJING FORESTRY UNIV

Pine needle material humidity regulation control device for pine needle plate processing raw material

The invention relates to the technical field of pine needle plate processing, in particular to a pine needle plate processing raw material pine needle material humidity adjusting control device which comprises a lower bent spraying pipe and an upper bent spraying pipe, the upper bent spraying pipe is fixedly installed above the lower bent spraying pipe in a communicating mode, and the lower bent spraying pipe and the upper bent spraying pipe are the same in structure. The upper bent spraying pipe is vertically installed above the lower bent spraying pipe in a crossed mode, a pine needle plate containing area is defined by the crossed position of the lower bent spraying pipe and the upper bent spraying pipe, the air humidity detector is fixedly installed on the upper bent spraying pipe, the stand columns are symmetrically and fixedly installed on the sides of the upper bent spraying pipe, the rotating self-adjusting columns are movably installed on the stand columns, and the rotating self-adjusting columns are movably installed on the rotating self-adjusting columns. A binding ring piece is arranged on the top of the rotary self-adjusting column, and a lifting rope winding and unwinding machine is arranged above the binding ring piece. Water is fed in one position, two pipes are communicated, multi-face spraying is achieved, the wetting efficiency is extremely high, pine needle boards can be automatically dried, and finally the insides and outsides of the boards are consistent in wettability.
Owner:ANHUI ZHUOMUSEN BUILDING MATERIALS TECHNOLOGY CO LTD

Composite beam

The invention relates to a composite beam having a hollow profile (2). The invention relates to a hollow profile (2) comprising or consisting of aluminum or an aluminum alloy or other material, the hollow profile (2) having an inner space (4) and a core (3) arranged in the inner space, the core (3) comprising or consisting of wood. The core (3) is arranged without play in the interior (4) and is pressed against an inner wall (8) of the hollow profile (2) from each side in the cross-sectional direction. The invention also relates to a method and a device.
Owner:HYCOBILITY ENGINEERING & TECHNOLOGIES GMBH

Optimization treatment method of wood for musical instruments

The invention discloses an optimization treatment method for wood for musical instruments. The optimization treatment method comprises the steps of low-temperature forced circulation drying treatment, low-temperature vacuum drying treatment, content regulation and control treatment, accelerated aging treatment and humidity regulation and balance treatment. The accelerated aging treatment comprises high-temperature treatment and low-temperature moisture absorption treatment, the oxygen content of the treatment environment is controlled in the high-temperature treatment process, and the two types of treatment are cyclically alternated for 2-8 times. The method has the advantages of being efficient, environmentally friendly, low in cost, free of additives, capable of keeping the original characteristics of wood and the like, the optimization treatment period of the wood is shortened, and the acoustic performance and the dimensional stability of the wood are further improved while the natural characteristics of the wood are kept to the maximum extent.
Owner:INST OF WOOD INDUDTRY CHINESE ACAD OF FORESTRY

A device and a method for continuous sterilization of a lignocellulosic substrate

A device for continuous sterilization of a lignocellulosic substrate, the device is characterized in that a supply tool for supplying the substrate to a housing of a sterilization chamber comprises a substrate supply conduit with a substrate supply mechanism arranged therein, and an output of the substrate supply conduit is coupled to an input to the housing of the sterilization chamber, and a substrate discharge tool for discharging the substrate from the sterilization chamber comprises a substrate discharge conduit with a substrate discharge mechanism arranged therein, and an input of the substrate discharge conduit is coupled to an output from the housing of the sterilization chamber, and a ratio between a cross-sectional area of the substrate supply conduit and a cross-sectional area of the housing of the sterilization chamber and a ratio between a cross-sectional area of the substrate discharge conduit and the cross-sectional area of the housing of the sterilization chamber is from 0.0006:1 to 0.5:1. Also, a method for continuous sterilizing a lignocellulosic substrate has been developed.
Owner:TOMILIN IEVGEN

Wood treatment equipment and wood treatment method

The invention relates to wood treatment equipment and a wood treatment method. The wood processing equipment comprises a shell, a wood processing device and a control device, wherein a containing cavity is formed in the shell; the heating mechanism is connected with the shell; the pressure adjusting mechanism is communicated with the accommodating cavity, and the pressure adjusting mechanism is configured to be used for extracting gas in the accommodating cavity; the spraying mechanism is communicated with the containing cavity, and the spraying mechanism is configured to be used for spraying towards the interior of the containing cavity. According to the wood treatment equipment, the moisture of the inner core and the outer surface of the wood to be treated mainly escapes at the high-temperature stage at the same time by adjusting the humidity and reducing moisture escape in the initial temperature rising stage, so that the moisture escapes uniformly, the wood is stressed uniformly, the defects of cracking, deformation and the like do not occur easily, and the wood treatment quality is improved.
Owner:BEIJING LINGYISAN TECHNOLOGY CO LTD

Delignified wood materials, and methods for fabricating and use thereof

The invention provides a method of producing a piece of delignified wood having a porous structure, said method comprising: chemically treating a piece of natural wood to remove at least 90% of lignin from the natural wood while substantially retaining cellulose-based lumina of the natural wood, thereby producing a piece of delignified wood; after the removing, drying the piece of delignified wood by freeze drying or critical point drying, such that the cellulose-based lumina remain open or unobstructed in a cross-sectional view; and after the drying, further chemically treating the piece of delignified wood to be hydrophobic or resistant to weather or salt water, or forming or depositing a coating on exterior surfaces of the delignified wood. The unique microstructure and composition of the delignified wood can provide advantageous thermal insulation properties, among other advantages described herein.
Owner:UNIV OF MARYLAND

Carbon quantum dots optimized furfuryl alcohol modified material and preparation method thereof

The present application belongs to the technical field of wood modification, and particularly relates to a carbon quantum dot optimized furfuryl alcohol modified material and a preparation method thereof. The preparation method comprises the following steps: treating wood by a vacuum pressurized impregnation method with a carbon quantum dot / furfuryl alcohol modification liquid, then wrapping the wood with a high-temperature resistant waterproof material, and aging at room temperature. Finally, the wood is heated and solidified to obtain the carbon quantum dot optimized furfuryl alcohol modified material. The carbon quantum dot / furfuryl alcohol modification liquid of the present application realizes one agent with multiple effects, because the carbon quantum dots not only act as catalysts to catalyze the solidification of furfuryl alcohol in wood, but also act as wood modifiers to endow wood with excellent corrosion resistance. The carbon quantum dot optimized furfuryl alcohol modified material of the present application solves the problem of decreased toughness of furfuryl alcohol modified material, realizes the overall balance and optimization of the size stability, strength, toughness and biological degradation resistance of wood, and solves the problem of blackening of the color of the modified material.
Owner:BEIJING FORESTRY UNIVERSITY

A hot press outlet plate surface spraying and humidifying device

The present invention relates to the technical field of artificial board processing, and specifically discloses a hot press outlet board surface spraying and humidifying device, comprising a roller conveyor device, an infrared imager is arranged above the roller conveyor device, the infrared imager is electrically connected to a control cabinet, a spray device is arranged downstream of the infrared imager, and the spray device comprises a baffle arranged parallel to the surface of the slab, two rows of staggered rectangular openings are opened on the baffle, a cover frame is fixed on the baffle away from the slab, a telescopic part aligned with each rectangular opening is arranged on the cover frame, and the movable end of the telescopic part is connected to a nozzle arranged toward the slab; the board surface spraying and humidifying device disclosed in the present invention can control the amount of water sprayed by the corresponding nozzle according to the temperature of each area of ​​the slab surface, and there is no cross-area in the nozzle spraying, thereby achieving precise control of the slab spraying and humidifying amount, thereby making the stress in the slab evenly released and improving the quality of the board.
Owner:TONGLING WANHUA HEXIANG BOARD IND CO LTD

Stabilizing treatment device and method for tenon-and-mortise solid wood furniture semi-finished product

The invention relates to the technical field of tenon-and-mortise solid wood semi-finished furniture treatment, and discloses a tenon-and-mortise solid wood semi-finished furniture stabilizing treatment method which comprises the following steps: S1, according to climate data of a furniture target sales area, determining wood target moisture content and target environment temperature and humidity corresponding to the climate data; s2, after being cleaned and fixed, the semi-finished furniture obtained after mortise and tenon splicing is completed is placed in an environment-controllable wood maintenance room, and air flow in the wood maintenance room tends to be uniform; s3, acquiring the current environment temperature and humidity in the wood raising room; judging whether the current environment temperature is in a preset suitable adjustment temperature interval or not; if not, the temperature in the wood cultivation room is adjusted to be within the temperature range suitable for adjustment; the whole process is tightly combined, and while the texture of wood is well kept, the wood is fundamentally endowed with the inherent stability of resisting target environment changes and eradicating cracking deformation.
Owner:JINING MAHALANOBIS WOOD IND CO LTD

Densified wood including process for preparation

A wood substrate or member is included, having an increased density with respect to natural, untreated wood. The process includes drying the wood prior to application of heat and pressure, which are controlled to reduce or eliminate color change on a surface of the wood member where heat and pressure are applied.
Owner:AHF LLC D B A AHF PROD

Method and system for producing a three-dimensionally deformed plate

The aforementioned invention relates to a method for producing a three-dimensionally deformed panel made of a wood fiber material, comprising the following steps: - providing a pre-fabricated, flat wood fiber material panel as a starting panel, - preheating the starting panel section by section, - wetting a preheated section of the starting panel with an atomized liquid mixture of water and a release agent, - placing a preheated section of the starting panel wetted with a liquid mixture of water and a release agent between two rollers (10, 11) of a forming station (4), wherein the rollers (10, 11) each provide a circumferentially (22) corrugated profile of the outer surface (23), so that the starting panel is section by section transformed into a corrugated panel (6), - wherein rollers (10, 11) are used,whose respective profiling has successive half-waves (16, 17, 18, 19) in the circumferential direction (22), which at least partially have a different extent in the circumferential direction (22).
Owner:HOMANN HOLZWERKSTOFFE GMBH

A processing method for long-term protective round bamboo

The application discloses a processing method for long-acting protection of round bamboo. The surface of the round bamboo is cleaned, and the joints are broken. The pretreated round bamboo is subjected to wet heat treatment for 1-6 hours under the environmental conditions of 70-95% humidity and 70-95 DEG C temperature. The round bamboo after the wet heat treatment is dried at 60-90 DEG C. The dried round bamboo is subjected to heat modification for 1-6 hours in the environment of 100-160 DEG C. The inner and outer surfaces of the round bamboo are coated with wood wax oil or vegetable oil, and the coating is dried until the surface is solidified into a film. The method is suitable for processing of fresh round bamboo, effectively improves the surface quality, size stability and mildew-proof effect of the round bamboo, and widens the application region of the round bamboo as an engineering material.
Owner:QILU UNIVERSITY OF TECHNOLOGY (SHANDONG ACADEMY OF SCIENCES)

Oily biocide compositions comprising diamine compounds

PCT designated stage expiredWO2025099154A1BiocideCosmetic preparationsOrganic acidSulfonate
The invention provides stable compositions comprising a biocide component (i) comprising at least one compound of formula (I), (I), with m being an integer from 1 to 6; and R1 being H; R2 and R3 being independently selected from H, a polar protic or polar aprotic substituent independently selected from a saccharide residue, a polyalcohol residue, a polyether residue, a polyamine residue, a polyimine residue, an amino acid residue or an amino acid derivative, a peptide residue, a protein residue or a protein derivative, an organic acid residue, including a carboxylate, a sulfonate, a phosphate, or a substituent selected from Formula (a), (a), and R4 being selected from Formula (b), (b), with n and n' being independently selected from an integer from 1 to 25; and at least one triglyceride of formula (II), (II), with R5, R6 and R7 being independently selected from C10-C25 alkyl and C10-C25 alkenyl. Furthermore, a method for preparing said composition is provided, as well as the use of said compounds.
Owner:LICIT SOLUTIONS GMBH

A manufacturing method of an environmentally-friendly, precisely controllable, compressed, light-weight, high-strength laminated composite board

The application discloses a manufacturing method of an environment-friendly precise controllable compression light-weight high-strength laminated composite board, and comprises the following steps: firstly, the moisture content of surface layer veneer and first layer veneer is adjusted to 10-15%, the moisture content of woven bamboo mat and the rest layer veneer is adjusted to 6-8%; then, adhesive is coated on the upper and lower surfaces of the woven bamboo mat and the first layer veneer of the core board, and the woven bamboo mat is respectively laid on the upper and lower surfaces of the first layer veneer of the core board to obtain a laminated composite core board; then, adhesive is coated on the upper and lower surfaces of the laminated composite core board, and the rest layer veneer of the core board is respectively laid on the upper and lower surfaces of the laminated composite core board, and the laminated composite core board is sequentially subjected to pre-compression forming and pre-heating treatment; after the treatment is completed, high-temperature hot-pressing treatment is carried out to obtain the compression light-weight high-strength laminated composite board. The composite board prepared by the method has balanced transverse and longitudinal bending strengths, high deformation resistance, a thick dense surface layer and good finishing effect after sanding treatment, and has good application potential in furniture manufacturing.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY

Modified compressed wood based on in-situ synthesized carbon quantum dots and preparation method of modified compressed wood

The invention belongs to the technical field of wood modification, and particularly relates to in-situ synthesized carbon quantum dot modified compressed wood and a preparation method thereof. The preparation method comprises the following steps: selecting a wood sample, and placing the wood sample in a urea aqueous solution for vacuum pressurization dipping treatment; then the pretreated wood is subjected to microwave treatment, and in-situ synthesis of carbon quantum dots in the wood is induced; and finally, the wood is subjected to hot-pressing densification treatment, and the in-situ synthesized carbon quantum dot modified compressed wood is obtained. Wherein the mass fraction of the urea aqueous solution is 5%-50%. The modification mode of in-situ synthesis of the carbon quantum dots in the wood is adopted, the process is simple, cost is low, and large-scale application and popularization are easy. The in-situ generated carbon quantum dots and wood components can construct a hydrogen bond and covalent bond synergistic dual-network cross-linked structure. According to the prepared modified wood, the strength, toughness, dimensional stability and corrosion resistance of wood are synergistically improved, and an effective way is provided for high-value utilization of fast growing wood.
Owner:BEIJING FORESTRY UNIVERSITY

Plate grabbing device capable of turning over automatically and plate drying process thereof

The invention discloses an automatic turn-over plate grabbing device and a plate drying process thereof, and belongs to the technical field of solid wood plate processing. The automatic turn-over plate grabbing device comprises a plate drying mechanism and a plurality of supports arranged in an array in a drying yard; each support comprises a bearing plate with an adjustable inclination angle, and the bearing plates are used for containing plates. The plate drying mechanism comprises a movable chassis, a lifting platform and a rotating arm, a rotating platform is arranged at the tail end of the rotating arm, and the rotating platform comprises three working end faces capable of being switched in a rotating mode. Through cooperation of the bearing plate with the adjustable inclination angle and the driving device, the inclination angle can be dynamically adjusted according to requirements, and synchronous optimization of plate surface gravity drainage and stress release is achieved. Meanwhile, the rotating table integrates the three working end faces of recognition, water spraying and material taking, and the whole-process operation of state detection, water spraying humidity adjustment and precise turn-over can be completed in one-time operation.
Owner:GUANGDONG WASHEN HOME TECH CO LTD

Preparation method and application of recombinant technical veneer based on water regulation and control

The invention discloses a preparation method and application of a recombinant technical veneer based on water regulation and control, and belongs to the technical field of recombinant veneers. The preparation method comprises the following steps: (1) preparing a water-based bio-based adhesive; (2) raw wood is sliced into veneers, the veneers are dried and sorted, and the moisture content of the sorted veneers is 12-15%; (3) a water-based bio-based adhesive is applied to the sorted veneers, the veneers are stacked and then transferred into a pressing machine to be subjected to cold pressing, recombined battens are manufactured, and the water content is 30-40%; (4) atomizing and spraying water on the periphery of the recombined batten, and then wrapping the recombined batten with a preservative film to obtain the recombined batten after water spraying; and (5) the recombined batten subjected to water spraying is subjected to normal-temperature curing and then sliced, the recombined technical wood veneer is obtained, and the water content ranges from 25% to 30%. According to the method, the moisture of the recombined technical veneer in different preparation links is precisely regulated and controlled, the interface environment is optimized, the permeability of the adhesive is improved, and controllable preparation of the high-performance recombined technical veneer is achieved.
Owner:SHANDONG XINGANG ENTERPRISE GRP CO LTD

Bamboo furniture raw material cutting equipment

The utility model discloses bamboo and wood furniture raw material cutting equipment which comprises a conveying table assembly and a front supporting frame assembly, and the top of the front supporting frame assembly is fixedly connected with a cutting assembly. The conveying table assembly comprises a conveying motor, a table plate and a water tank, an output shaft of the conveying motor is fixedly connected with a conveying roller through a coupler, and a drainage pump is arranged at the drainage end of the water tank; according to the bamboo and wood furniture raw material cutting equipment, through the arrangement of the conveying table assembly, bamboo materials to be cut are placed on the table plate, a conveying motor is started and controlled to drive a conveying roller to rotate, the bamboo materials can be driven to be conveyed to one side of the cutting assembly, and cutting operation is facilitated; when the bamboo materials are conveyed, a draining pump on a water tank is started, water is evenly sprayed to the outer walls of the bamboo materials through a spraying pipe, a short pipe and a spraying head, the dryness of the bamboo materials is reduced, the bamboo materials absorb water in the process of being conveyed to be cut, and therefore the situation that the bamboo materials burst in the cutting process is reduced.
Owner:ZHEJIANG JINHONG HOUSEHOLD PROD CO LTD

Moldable and Molded Cellulosic Structural Materials, and Systems and Methods for Their Molding and Use

Naturally occurring cellulosic materials, such as wood, bamboo, grass, or reeds, can be subjected to one or more chemical treatments to remove at least a portion of the lignin. The resulting partially delignified material can be partially or completely dried and then rehydrated to obtain a moldable cellulosic material. The moldable material can be molded from a substantially flat, planar configuration to a non-planar, three-dimensional configuration. After being molded into a desired shape, the moldable material can be completely dried to set the shape, thereby forming a rigid, molded piece. In some embodiments, the molded piece can be used as a structural material, for example, to form load-bearing structures and portions of composite load-bearing structures.
Owner:MARYLAND COLLEGE PARK UNIV OF

Bamboo powder manufacturing process

The invention discloses a bamboo powder manufacturing process. The process aims at solving the problems that in existing static soaking pretreatment, the efficiency is low, and the quality of subsequent finished products is unstable due to the fact that bamboo chips absorb water unevenly. The core of the method is that in the step S1, bamboo wood pretreatment is conducted, specifically, a hopper containing bamboo chips moves in a soaking tank in the direction B, meanwhile, soaking liquid flows in the tank in the opposite direction A, and continuous countercurrent soaking is formed; according to the method, efficient and uniform softening of the bamboo chips is achieved. And the pretreated bamboo chips are subjected to drying, coarse grinding, superfine grinding and grading treatment, and the superfine bamboo powder is obtained. Through the key technology of countercurrent soaking, the softening uniformity and efficiency of the bamboo chips are improved, and raw materials with uniform properties are fundamentally provided for subsequent procedures, so that comprehensive energy consumption is reduced, and it is guaranteed that the 1200-mesh bamboo powder product has excellent particle size distribution uniformity and high whiteness.
Owner:ZHEJIANG LVHE ECOLOGICAL TECH CO LTD

Branch crusher control method and system, intelligent terminal and storage medium

The invention relates to a branch crusher control method and system, an intelligent terminal and a storage medium, and relates to the technical field of branch crushs.The method comprises the steps that a branch crusher is started, and a feeding channel for branches to enter is opened; detecting the stacking height of the chippings in the chipping box in real time; when the stacking height of the chippings reaches the preset stacking height, a discharging opening of the feeding channel is closed; a compression plate in the chipping box is controlled to execute a preset compression action on the chippings, and a chipping compression layer is obtained; the three steps are repeatedly executed until the accumulated height of the chip compression layer reaches the preset compression height, and a chip compression block is obtained; suspending the branch crusher and sending a cleaning request; and a confirmation signal of the cleaning request is received, a scrap outlet of the scrap box is controlled to be opened, and a pushing plate in the scrap box is controlled to push the scrap compression blocks out of the scrap outlet. The wood chip recycling device has the effect of improving the wood chip recycling efficiency.
Owner:NINGBO WINNER ELECTRIC APPLIANCES CO LTD

Solid wood floor blank and microwave internal carbonization treatment method thereof

The invention discloses a solid wood floor blank and a microwave internal carbonization treatment method thereof, which comprises the following steps of: performing water soaking treatment and microwave treatment on the floor blank, and regulating and controlling the water content, the microwave radiation time or the microwave radiation power of the floor blank after water soaking, so that the surface color of the floor blank is kept unchanged; and the internal carbonization degree of the floor blank is accurately controlled, so that the solid wood floor with the preset internal carbonization effect is obtained. The method overcomes the technical problems of large surface color change, long treatment period, high energy consumption and the like in the existing wood floor blank high-temperature heat treatment process, takes microwaves as a heat source, establishes a carbonization degree and multi-parameter correlation model by adjusting the water content of the floor blank, does not need to add chemical reagents, and is suitable for large-scale production. The internal carbonization degree can be accurately controlled, the size stability of the floor blank is effectively improved, the method has the advantages of being good in carbonization effect, high in treatment efficiency, capable of saving energy, environmentally friendly and the like, and a novel green and efficient method is provided for functional modification of wood.
Owner:BEIJING FORESTRY UNIVERSITY