22 results about "Rubberwood" patented technology

The invention provides a modification method for improving the size stability of rubber wood and a modified material and application thereof, and relates to the field of rubber wood processing. The modification method comprises the following steps: 1, mixing choline chloride with a hydrogen bond donor compound containing carboxyl to obtain a DES solvent, and adding water to obtain a DES solution; secondly, the rubber wood plate is put into the DES solution in the first step, pressurized dipping treatment is carried out, and then the rubber wood plate is taken out and aired; and thirdly, the rubber wood treated in the second step is placed at the temperature of 150-160 DEG C to be subjected to heat treatment for 1-2 h, and the rubber wood DES modified material is obtained and placed under the room temperature condition to be balanced. The modification method is simple and easy to operate, the hygroscopicity of the rubber wood is remarkably reduced, the dimensional stability of the rubber wood is improved, the modification liquid can be repeatedly used, and cost saving and efficiency increasing are achieved. The environment-friendly and performance bottlenecks of a traditional method are solved, a new way is opened up for efficient value-added utilization of rubber wood, and the strategic requirement of sustainable material development is met.

The invention relates to the technical field of rubber tree bark beetle prevention and control and green ecological prevention and control, in particular to a rubber tree bark beetle attractant and lure preparation and application thereof. Comprising the following components in parts by weight: 1 part of (S)-cis-verbenol, 1 part of isoamyl alcohol, 1 part of longifolene and 6500 parts of absolute ethyl alcohol. The attractant can attract bark beetles on rubber trees, has the advantages of being good in attraction effect, long in lasting period, environmentally friendly and the like and is suitable for long-term monitoring and efficient prevention and control of bark beetle populations on the rubber trees, and the attraction core is not affected by terrains and terrains when applied.

The utility model discloses a rubber wood processing extension device, which belongs to the field of wood processing, and comprises a base, a workbench is arranged on the top of the base, a push plate assembly is arranged on the base through a bracket and is located at the front end of the workbench, and a baffle assembly is arranged on the base at the rear end of the workbench, a hanger parallel to the workbench is arranged above the workbench, a connecting plate inclined toward the advancing direction of the rubber wood is hinged on the lower side of the hanger through a U-shaped plate, a pressure roller is arranged at the bottom of the connecting plate, and a clamping assembly is hinged between the connecting plate and the hanger. The rubber wood processing extension device can avoid the phenomenon of warping at the connection of the wood, avoid the wood from arching, and improve the stability and safety of the wood when extending by arranging an inclined pressure roller along the advancing direction of the wood on the extension device, and the pressure roller presses the wood through the clamping assembly when the wood is connected.

The utility model belongs to the field of floors, and particularly relates to a carbonized rubber wood core floor which comprises a wood core floor body. The bottom of the wood core floor is fixedly connected with a damp-proof plate, and a sound insulation reinforcing mechanism is arranged at the bottom of the damp-proof plate. The sound insulation reinforcing mechanism comprises a sound insulation plate, the sound insulation plate is fixedly connected to the bottom of the moisture-proof plate, a keel is fixedly connected to the surface of the sound insulation plate, and four fixing plates are fixedly mounted on the surface of the keel; by arranging the sound insulation reinforcing mechanism, the stability of the floor can be improved, meanwhile, the damp-proof effect can be achieved, a user does not need to nail keels on the ground in advance, the wooden core floor and the keels can be installed at the same time, operation is faster, the construction period is greatly shortened, the installation progress is greatly shortened, and meanwhile the strength of the wooden core floor can be further improved; the wood core floor can be effectively prevented from being bent and deformed due to damp or heat through tension generated by the tension springs.

The present application relates to the technical field of artificial feeding of small insects, in particular to rubberwood small insects rubber tree wood chip cultivation feed and artificial feeding method. The rubberwood small insect cultivation feed comprises yeast powder, weiss salt, casein, starch, sucrose, agar powder, streptomycin sulfate, wheat germ oil, anhydrous ethanol, rubber tree wood chip and deionized water. The rubberwood small insect feeding method comprises the following steps: obtaining rubberwood small insect female adults; inoculating rubberwood small insect female adults; and feeding rubberwood small insects in a climate box. The artificial feeding method of rubberwood small insects provided by the present application can obtain stable test insect sources, provide insect source guarantee for studying the biological and ecological characteristics of rubberwood small insects, and further lay a theoretical foundation for formulating rubberwood small insect prevention and control measures.

The invention discloses a transaction decision-making method for a rubber wood cross-border trade supply chain, and the method comprises the steps: obtaining rubber wood transaction decision-making features through fusing a price fluctuation coefficient, a weather influence factor and a risk income balance point, and constructing a model through employing the transaction decision-making features and the transaction decision-making method, the model processes the to-be-transacted decision-making features of the rubber wood to obtain an instant transaction decision-making method so as to realize accurate matching of suppliers. The method is based on historical price and market supply and demand data, utilizes an LSTM model to predict a price fluctuation coefficient, integrates sea transportation cost, tax fluctuation, inventory turnover rate and supplier credit risk through Monte Carlo simulation, processes to obtain a risk income balance value, and utilizes a weather and production influence model to process an obtained weather influence factor to obtain a risk income balance value. And finally, the fusion features are processed based on a collaborative filtering algorithm of improved machine learning to match high-quality suppliers in the supply library, and the risk of manual decision making is reduced and the accuracy of model decision making is improved by using objective data influencing decision making.

The invention discloses a wood heat treatment method which is characterized in that wood is sequentially subjected to impregnation pretreatment, drying and steam heat treatment, impregnation is performed by a vacuum breathing method, an impregnation reagent is tannic acid and silica sol, and heat treatment is performed in saturated steam. According to the wood treated through the method, the wood color can be obviously changed on the basis that the texture features of the wood are reserved, and the dimensional stability and the mechanical property of the wood are improved; in addition, dipping pretreatment reagent components are free of pollution, and compared with a traditional wood carbonization method, the method is lower in heat treatment temperature, shorter in heat treatment time, low in equipment production energy consumption, short in product production period and beneficial to industrial production.

The utility model belongs to the technical field of ground paving materials, and relates to an EB (Epstein-Barr) cured polypropylene film veneer rubber wood core composite floor, which is characterized in that a gluing layer is arranged between a surface decoration layer and an improved three-layer rubber wood core solid wood composite floor base body layer, the surface decoration layer is an EB cured polypropylene film, and the EB cured polypropylene film is a polypropylene film. The thickness of the rubber wood core solid wood composite floor base body layer is 10-18 mm, the rubber wood core solid wood composite floor base body layer sequentially comprises a base material surface layer, a base material core layer and a base material bottom layer, the base material surface layer, the base material core layer and the base material bottom layer are pressed into an integrated sandwich type structure according to criss-cross textures, the base material core layer is a rubber lignin face finger joint integrated board, and rubber wood laths are lengthened in a finger joint mode in the end direction and integrally spliced in a flush joint mode in the side direction. The net size of the length and width is 1230 to 1250 mm * 1930 to 2440 mm, and the net size of the thickness is 8 to 13 mm. The floor is stable in performance and structure, not prone to deformation and suitable for the geothermal environment; the base material main body is formed by finger joint of rubber wood laths, the finger joint strip-shaped small blocks can effectively avoid defect positions, and wood is fully utilized.

The utility model discloses a rubber wood homogenizing carbonization furnace, and belongs to the field of carbonization furnaces. The device mainly comprises a working assembly, a supporting assembly is arranged in the working assembly, the working assembly comprises an outer frame, an inner cylinder is fixedly installed on the outer frame, the supporting assembly comprises two sets of containing cavities which are both formed in the inner cylinder, and rubber wood needing to be processed is placed in the containing cavities; according to the rubber wood homogenizing and carbonizing furnace, the two sets of containing cavities are formed in the inner barrel, rubber wood can be collected and placed in a centralized mode, meanwhile, the containing cavities can be matched with supporting rods a through the moving wheels, and the rubber wood can be placed in the containing cavities in a centralized mode; and two groups of placing cavities can be conveniently moved in the inner cylinder, so that the placing cavities can be conveniently taken out of the inner cylinder, the problem that the temperature and smoke generated in the equipment influence taking out of workers is solved, and meanwhile, the use safety of the equipment is also improved.

The energy-saving and environment-friendly rubber wood board comprises a keel part, a sound insulation board and a wood board layer, the upper surface of the sound insulation board and the lower surface of the wood board layer are bonded and fixed in an aligned and attached mode, the keel part is arranged below the sound insulation board, the outer edges of the keel part and the sound insulation board are aligned, and the opposite sides of the sound insulation board and the keel part are connected in a matched and inserted mode. The keel part comprises a middle keel, two side keels and a moisture-proof pad, and the middle keel is fixedly connected to the center of the top of the moisture-proof pad. According to the energy-saving and environment-friendly rubber wood board, the keel part, the sound insulation plate and the wood board layer are arranged in a matched mode, so that the energy-saving and environment-friendly rubber wood board can be directly laid on the indoor ground conveniently when being laid as a floor, and additional ground mat and keel installation is avoided; and meanwhile, after the energy-saving and environment-friendly rubber wood board is laid as a floor, the wood board layer can be replaced according to the use state, and the convenience of floor maintenance is improved.

This invention belongs to the technical field of building decoration materials and relates to a digitally printed rubberwood finger-jointed core flooring. It includes a core layer, on the surface of which, from top to bottom, are a coating layer, a printing layer, a primer layer, a top layer, and a first balancing layer. Below the back of the core layer are a second balancing layer and a backing board. The core layer is made of rubberwood finger-jointed material, joined by finger-joints along the length of rubberwood strips and spliced ​​along the width. Stress grooves are provided on the surface of adjacent rubberwood strips away from the finger-joints. The width of the stress grooves is 0.5–0.6 mm, the depth is 1.0–2.0 mm, and the length is between the width of one and two rubberwood strips. The distance between two adjacent stress grooves is not less than 0.2 mm. The thickness of the printing layer is 0.01–0.1 mm. The production process is also disclosed. This invention controls structural stability through structural adjustments, making it less prone to deformation and cracking; the combination of paint coating and digital printing fully utilizes low-grade wood raw materials.

The invention discloses a mcl-PHA production method based on a wood and agricultural waste composite carbon source, and relates to the technical field of bio-manufacturing, the method comprises the following steps: adopting Pseudomonas putida BWCC66157 to carry out fermentation in an improved M9 minimum culture medium; a lignin-derived carbon source (such as vanillic acid) is used as a basic substrate; respectively introducing rubber wood hydrolysate and oil palm pomace palm oil as co-substrates; the directional regulation and control of the composition of the mcl-PHA monomer are realized by regulating and controlling the ratio of the co-substrate; and extracting the PHA by adopting a conventional method and detecting the monomer composition of the PHA. The PHA yield can be increased, new monomer components can be obtained, high-valued utilization of wood carbon sources and agricultural waste is achieved, and a new technical approach is provided for production of low-cost and degradable biological materials.

The invention belongs to the technical field of papermaking, and particularly relates to a rubber wood PRC-APMP pulping process and finished pulp. The rubber wood PRC-APMP pulping process comprises the following steps that S1, rubber wood chips are washed and then subjected to pre-steaming till the rubber wood chips are softened, and pretreated wood chips are obtained; s2, the pretreated wood chips are sequentially subjected to first-stage extrusion tearing, first-stage chemical liquid medicine presoaking, first-stage chemical reaction, second-stage extrusion tearing, second-stage chemical liquid medicine presoaking, second-stage chemical reaction and high-concentration pulping, and then coarse pulp is obtained; s3, performing pulp-gas separation on the coarse pulp, adding a chemical liquid medicine, and performing high-concentration bleaching to obtain bleached pulp; s4, performing low-concentration pulp grinding on the bleached pulp, adding a composite dispersing agent, and performing screening, washing and concentration to obtain finished pulp. The pulping process provided by the invention can effectively broaden pulping raw material resources, so that the cost of the pulping raw materials is lower, and the quality of the produced pulp is better.

The invention belongs to the technical field of ground paving materials, and relates to an EB-cured polypropylene film veneer rubber wood core composite floor, a gluing layer is arranged between a surface decoration layer and an improved three-layer rubber wood core solid wood composite floor base body layer, the surface decoration layer is an EB-cured polypropylene film, and the rubber wood core solid wood composite floor base body layer is an EB-cured polypropylene film. The thickness of the rubber wood core solid wood composite floor base body layer is 10-18 mm, the rubber wood core solid wood composite floor base body layer sequentially comprises a base material surface layer, a base material core layer and a base material bottom layer, the base material surface layer, the base material core layer and the base material bottom layer are pressed into an integrated sandwich type structure according to criss-cross textures, and the base material core layer is a rubber lignin face finger joint integrated board. The invention further discloses a production process of the floor. The main body structure rubber wood core and the wood layers with the upper surface and the lower surface being symmetrical structures are adopted, a low-temperature high-pressure short-period hot-press forming mode is adopted in the whole, and the floor is stable in performance and structure, not prone to deformation and suitable for the geothermal environment; the base material main body adopts rubber wood core finger joint, finger joint strip-shaped small blocks can effectively avoid defect positions, and rubber wood is fully utilized.

The utility model relates to the technical field of electric welding machines, and discloses a handheld welding machine which comprises a welding machine shell. The control circuit board is arranged in the welding machine shell; the heat dissipation block is provided with a channel in the direction from the air inlet to the air outlet. The cooling fan is arranged in the welding machine shell; the locking device comprises a welding rod clamp, square bakelite, a cover head and a locking piece. The first end of the welding rod clamp is arranged in the welding shell and electrically connected with the second circuit board, the second end of the welding rod clamp extends out of the welding shell, the welding rod clamp is provided with a mounting hole used for mounting a welding rod, and the welding rod clamp is provided with a first locking hole; the square bakelite is arranged on the second end part of the welding rod clamp in a sleeving manner and is provided with a second locking hole; the cover head covers the square bakelite; the locking piece fixes the welding rod through the second locking hole and the first locking hole. The welding rod is fixed and the heat dissipation function is added by adopting a simple and convenient structure.

The utility model relates to the technical field of rubber wood waste crushing, in particular to a rubber wood waste crushing device which comprises a device box body mechanism, the device box body mechanism comprises a feeding pipe, the feeding pipe is installed at the top end of the device box body mechanism, a feeding hopper is installed at the top end of the feeding pipe, a first groove is formed in the side wall of one end of the device box body mechanism, and a second groove is formed in the side wall of the other end of the device box body mechanism. And mounting frames penetrating through the first grooves are mounted on the side walls of the two sides in the device box body mechanism, driving rollers are rotationally mounted in the mounting frames, and conveying filter screens are mounted on the outer walls of the driving rollers. According to the rubber wood waste extrusion device, firstly, an electric lifting rod ascends and descends to drive a first extrusion plate to ascend and descend in the feeding hopper, so that the first extrusion plate ascends and descends to extrude rubber wood waste in the feeding hopper, and therefore the rubber wood waste in the feeding hopper can be extruded through ascending and descending of the first extrusion plate; and therefore, the rubber wood waste in the feeding hopper can be conveniently crushed.

The utility model discloses a rubber wood crushed leftover material pressing forming machine which comprises a hydraulic machine, a pressing rod capable of moving up and down is installed in the hydraulic machine, the bottom of the hydraulic machine is fixedly connected with a workbench, the top of the workbench is fixedly connected with a limiting pipe for restraining scraps, and the bottom end of the pressing rod is fixedly connected with a pressing block. The pressing block is slidably connected to the interior of the limiting pipe, the conveying pipe is fixedly connected to the exterior of the limiting pipe, the conveying pipe communicates with the interior of the limiting pipe, a motor is fixedly connected to the exterior of the conveying pipe, and a spiral auger for conveying rubber and wood leftover materials is rotatably connected to the interior of the conveying pipe; due to the fact that the pressing block shields the top of the limiting pipe, and the bottom opening of the limiting pipe is shielded by the baffle, materials are in a completely-shielded state in the conveying process and cannot be blown by external airflow to be scattered, it is ensured that the materials are fully utilized, waste is avoided, and meanwhile the materials are prevented from being spilled out to pollute a machining workshop.

The invention relates to the field of wood grinding, in particular to a rubber wood grinding machine. According to an existing grinding device, when wood is clamped, displacement is prone to occurring in the machining process, clamping is not stable enough, the grinding effect is reduced, pretreatment on the surface of the wood before grinding is inconvenient, the grinding effect of the wood is affected, and conveying of the wood is prone to being affected by dirt on the surface of the wood. A rubber wood grinding machine comprises four supporting legs and the like. The device comprises four supporting legs, a bottom plate is fixedly connected among the four supporting legs, a plurality of rolling rods are rotatably connected to the middle of the bottom plate, a driving motor is fixedly connected to the bottom plate, a conveying mechanism is arranged on the bottom plate, the conveying mechanism is connected with the driving motor, and the conveying mechanism is used for conveying rubber wood. After the two clamping wheels clamp a plate, the electromagnetic valve is closed, so that the water storage cylinder and the buffering cylinder are not communicated any more, water flow does not flow any more, and therefore the distance between the two clamping wheels is kept unchanged, and clamping is more stable.

The utility model relates to a novel energy-saving environment-friendly rubber wood board which comprises a plurality of sets of rubber wood filling parts, a wood-plastic composite part and a ground mat composite part, the outer edges of the wood-plastic composite part and the ground mat composite part are mutually bonded and fixed in an aligned mode, and the space between the wood-plastic composite part and the ground mat composite part is filled with the multiple sets of rubber wood filling parts in a spaced mode. According to the novel energy-saving and environment-friendly rubber wood board, through the arrangement of the multiple sets of rubber wood filling parts, the wood-plastic composite parts and the ground mat composite parts, small rubber wood can be utilized, and wood waste can be reduced; in addition, when the novel energy-saving and environment-friendly rubber wood board is used as a floor for laying, a floor mat does not need to be additionally laid, and the novel energy-saving and environment-friendly rubber wood board can be directly laid and used in an integrated mode. In addition, the novel energy-saving and environment-friendly rubber wood board can further have good compression resistance, bending resistance and moisture resistance, and therefore the service life of the novel energy-saving and environment-friendly rubber wood board can be prolonged.

The utility model discloses edging equipment for waste rubber wood jointed board processing, and belongs to the field of wood processing. The device mainly comprises a grinding assembly, a supporting assembly is arranged on the grinding assembly, the grinding assembly comprises a supporting frame, a grinding block used for conducting edging treatment on rubber wood is arranged on the supporting frame, and the supporting assembly comprises a supporting table fixedly installed on the supporting frame; according to the edging equipment for processing the waste rubber and wood jointed board, the supporting plate is installed, so that wood boards needing to be processed can be placed in a centralized mode, and the edging equipment is convenient to use and high in practicability. And the rotary table can rotate on the supporting table, so that the angle of the supporting plate can be adjusted, the other end of the wood plate on the supporting plate can be quickly moved to the grinding assembly, and then the wood plate machining efficiency of the equipment can be improved.

Disclosed is a board made from acetylated rubberwood elements and a method for making same. The acetylated rubberwood elements have an acetyl content of at least 17% and / or are prepared by acetylating rubberwood elements using an acetylation agent in the vapour phase. The invention also pertains to acetylated rubberwood elements prepared by using an acetylation agent in the vapour phase.

The heat-resistant carrier roller is arranged on a guide plate table, the heat-resistant carrier roller is dynamically connected with the guide plate table in a suspension mode, the heat-resistant carrier roller comprises a carrier roller body, heat-resistant bearings are arranged at the two ends of the carrier roller body, drainage grooves are formed in the heat-resistant bearings, the heat-resistant bearings are arranged in bearing seats, and an end cover is arranged at one end of each bearing seat; a heat-resistant rubber wood pad is arranged between the bearing seat and the end cover, and the heat-resistant bearing is a self-lubricating bearing. The graphite self-lubricating heat-resistant bearing is adopted and matched with special high-temperature grease, it is ensured that equipment keeps rotating flexibility in the high-temperature environment, and the problem of billet stacking caused by bearing clamping is effectively solved. Meanwhile, drainage heat dissipation grooves are formed inside and outside the bearing, heat dissipation management is optimized with the assistance of a heat-resisting rubber sealing gasket, and excessive heat accumulation is avoided. And meanwhile, the heat-resistant carrier roller is innovatively fixed at the tail end of the guide plate table, so that the heat-resistant carrier roller can synchronously swing along with the guide plate table, collaborative consistency of a transmission system is guaranteed, and the steel stacking risk is remarkably reduced.