28 results about "Palm fiber" patented technology

The invention relates to the technical field of industrial product detection, and discloses an arenga engleri fiber process product defect detection method based on computer vision. The method comprises the following steps: constructing an image acquisition device, and preprocessing an obtained surface image flow of the arenga engleri fiber process product to determine an image area and a background area of the arenga engleri fiber process product; setting a defect identification standard, and presetting a defect judgment threshold value for defect preliminary screening; a multi-scale feature extraction model is constructed, the model comprises a bottom-layer feature extraction layer, a middle-layer feature fusion layer and a high-layer feature classification layer, and a feature extraction strategy is obtained based on the hierarchical structure and parameter configuration self-adaption; extracting texture features of the image area of the arenga engleri fiber craft product to obtain surface feature vectors of the arenga engleri fiber craft product; and creating a defect classifier, and carrying out classification processing and defect type identification on the feature vectors by adopting a feature extraction strategy. The method can adapt to texture complexity of arenga engleri fiber products, and efficient and accurate defect detection is realized.

The utility model provides a palm fiber wet-process material preparation and dehydration device which comprises an installation frame, a hopper is arranged on one side of the surface of the installation frame, an arc-shaped sieve plate is laid on the lower portion of the hopper, a tooth roller is installed in the hopper, a chain plate is arranged on the surface of the installation frame and located below the hopper, and the tooth roller is installed in the chain plate. The chain plate is provided with a material stirring roller, the surface of the chain plate is provided with a chain plate cover, the chain plate cover is internally provided with a plurality of air knives, and the tooth roller is used for blanking operation of fibers. According to the palm fiber wet-process material preparation and dehydration device, the arc-shaped sieve plate is arranged in the hopper, the tooth roller is matched with the chain plate cover with the chain plate and the plurality of air knives for use, the moisture content of palm fibers can be uniform, the fibers are not wound and knotted, the fibers are uniformly arranged, and metering in a next working section is facilitated.

The invention discloses a production technology of a jute environment-friendly coir mat with a three-dimensional structure, and relates to the technical field of jute coir mat production.The production technology comprises the following steps that S1, raw material pretreatment is conducted, specifically, raw jute is sequentially subjected to three-stage degumming including anionic surfactant solution soaking, pectinase treatment, lignin peroxidase treatment and caustic soda boiling-off, performing countercurrent cleaning and vacuum drying to obtain flexible fibers; s2, mixing fibrils: mixing the pretreated jute fibers with palm fibers and ramie fibers in proportion to form a mixed fiber raw material; s3, opening and carding: performing loosening treatment on the mixed fibers by a bidirectional opener, and preparing flocculent fibers by a carding machine; the flocculent fiber filaments are sprayed to a lapping machine through an exhaust fan, the lapping machine reciprocates at the constant speed of 1.5-2.5 m / s in the direction perpendicular to the spraying direction, the fiber flexibility can be improved, a three-dimensional supporting structure can be constructed, and a formaldehyde adding source can be eliminated.

This utility model discloses an anti-slip mattress, including a palm fiber mat. Multiple silicone particles are evenly fixed to the bottom of the palm fiber mat. An anti-slip cloth is laid on top of the palm fiber mat, and a latex mattress is placed on the anti-slip cloth. Several wavy grooves are evenly spaced longitudinally on the top of the latex mattress. Positioning mechanisms are fixedly installed on both sides and the front of the palm fiber mat. Each positioning mechanism includes a positioning band, which is fixedly installed on the upper outer wall of the palm fiber mat. Several first sub-buckles are fixedly installed on one side of the top of the positioning band, with the first sub-buckles positioned close to the palm fiber mat. A female buckle is fixedly installed on the other side of the top of the positioning band. The female buckle and the first sub-buckles are locked together. This utility model solves the problem that existing nursing beds often experience mattresses and mattresses slipping during use, which not only affects patient comfort but also adds extra workload for caregivers.

The application discloses a spliced artificial fish nest and a use method, relates to the technical field of artificial breeding, and comprises a storage barrel and a placing assembly. The circumferential surface of the storage barrel is provided with four corresponding flow guide holes. The inside of the storage barrel is provided with a palm fiber egg bed. The circumferential surface of the storage barrel is provided with four corresponding flow guide assemblies. The four flow guide assemblies correspond to the four flow guide holes. The surface of the right flow guide assembly is provided with a connecting assembly. The lower end of the storage barrel is provided with a supporting assembly. The lower end of the supporting assembly is provided with a counterweight assembly. The upper end inside the storage barrel is provided with a fastening assembly. The modularized splicing design can realize adjustable layout, the elastic fixing mechanism can guarantee the stability of the internal egg bed, the multiple sealing and filtering structure can prevent the escape of fry and the invasion of impurities, and the adjustable supporting system and the water surface indicating device can improve the deployment convenience and management efficiency.

The application relates to the technical field of high polymer composite materials, and more specifically relates to a high-strength and high-toughness PHA plant fiber composite material and a preparation method thereof.A high-strength and high-toughness PHA plant fiber composite material comprises the following raw materials in parts by mass: 60-80 parts of polyhydroxyalkanoate, 20-30 parts of modified palm fiber, 1-5 parts of a plasticizer and 2-4 parts of a nucleating agent, wherein the modified palm fiber is palm fiber modified by long-chain fatty acid.The PHA plant fiber composite material has excellent strength and toughness, excellent ultraviolet resistance and excellent degradability.

The application discloses a raw material winding device for plant fiber production, which comprises a rack, a cylinder one is symmetrically arranged on one side of the upper surface of the rack, a support frame is installed on the output end of the cylinder one, a driven shaft is rotatably connected above the support frame, and a fixing assembly is arranged on one side of the driven shaft. Compared with the prior art, the device can load one whole winding core at a time through the arrangement of the cutting mechanism, the limiting mechanism and the displacement mechanism, and wind the winding core into palm fiber coiled material at a fixed distance, so that one whole winding core is cut into multiple equal-length palm fiber coiled materials at a fixed distance. The existing mode needs to load winding cores with a fixed length, wind palm fiber bundles on the surface of the winding cores, and then take down the wound palm fiber coiled material, and then load new winding cores. Compared with the existing mode, the device does not need to frequently load multiple winding cores, so that fixed-distance cutting, automatic unloading and automatic replenishment of winding cores with a certain length can be realized, and the winding efficiency is effectively improved.

The concrete additive is prepared from the following raw materials in parts by weight: modified red mud, wheat orange ash, nano silicon carbide, graphite, composite fibers, a super plasticizer, dipropylene glycol, waterborne polyurethane, a high-efficiency water reducing agent, a high-efficiency retarder and a fiber dispersant. The composite fiber is a mixture of towel gourd fiber, palm fiber and carbon fiber; the red mud is doped into concrete to prepare the high-ground-temperature tunnel lining concrete, all the raw materials are matched with one another, the red mud is matched with the nanometer silicon carbide and the graphite to achieve the micro-filling and macro-reinforcing effects, and the mechanical property and durability of the concrete are improved through cooperation of the three materials; a fiber network formed through interaction among the composite fibers can block a heat transfer path and reduce the heat conduction performance of the concrete, and the composite fibers complement each other in physical properties and mechanical properties through microcrack blocking, bridging effect and rigidity complementation, so that the crack resistance, toughness and impact resistance of the concrete are improved.

This invention discloses a modified palm fiber, its preparation method, and its application. The preparation method includes: subjecting palm fiber to alkali washing to obtain alkali-treated palm fiber; wherein the alkali-treated palm fiber has a porous internal structure; subjecting a mixed reaction system containing the alkali-treated palm fiber, methanol, and a catalyst to an esterification reaction to obtain esterified palm fiber; and reacting the esterified palm fiber with a carbon-based conductive agent and tri-n-butylmethylammonium bis(trifluoromethanesulfonyl)imide to obtain modified palm fiber. The modified palm fiber prepared by this invention exhibits excellent antistatic properties, and the carbon-based and non-carbon-based conductive agents bond well with the fiber. It can be woven or used in plant fiber-filled composite materials, and the surface resistivity of the palm fiber can preferably reach 10 Ω·cm. 8 With a strength of Ω*cm, it reaches the antistatic level, expanding the application scenarios of palm fiber.

The invention discloses a plant fiber product forming, stacking and trimming production line which comprises a rack, a conveying mechanism and a trimming mechanism are arranged on the rack, and a stacking mechanism is arranged on the side, close to the conveying mechanism, of the rack. The stacking mechanism comprises sliding grooves symmetrically and fixedly formed in one side of the rack, a first stepping motor fixedly arranged on one side of the rack and a positive and negative tooth lead screw located at the output end of the first stepping motor. Through the arrangement of the conveying mechanism, the stacking mechanism and the edge cutting mechanism, seamless connection with an upstream intelligent heat treatment production line is achieved; palm fiber materials subjected to heat treatment modification are continuously conveyed by the conveying mechanism, the edge cutting mechanism continuously cuts the palm fiber materials into sheet-shaped palm fiber materials with the equal length, the stacking mechanism descends by the height of one thickness every time to achieve stacking of the palm fiber materials, and compared with a manual stacking mode, the automatic stacking mode has the advantages that the stacking efficiency is improved, and the stacking efficiency is improved. The working efficiency is effectively improved, the labor intensity of workers is reduced, and the convenience is improved.

The invention discloses a high-toughness plate and a preparation method thereof. Comprising the following raw materials in parts by weight: 30-50 parts of modified palm fiber, 30-50 parts of modified aupoz fiber, 10-20 parts of filler, 20-30 parts of adhesive, 3-10 parts of fire retardant, 3-5 parts of dispersing agent and 20-40 parts of water. The modified palm fibers and the modified aupoz fibers are adopted as main materials of the prepared board, the toughness of the material is remarkably improved, the hazelnut shell powder and talcum powder composite filler in the components are applied, the tensile property of the material is enhanced, and synergistic interaction is achieved.

To regenerate water used in a water jet method into water equivalent to first class industrial water.SOLUTION: The method for treating the used water of the water jet includes a separation step of separating the used water into supernatant water and a flocculate and a step of dehydrating the flocculate to discharge the flocculate as a dehydrated cake. A dehydration step of returning filtered water to supernatant water, a first neutralization step of adding an acid to the supernatant water to neutralize the supernatant water, a first filter passing step of passing the supernatant water through a first filter (palm fiber filter) capable of adsorbing flocs, a second filter passing step of passing the supernatant water through a second filter (cloth filter) capable of rough filtration, an organic matter removing filter passing step of circulating the supernatant water through an organic matter removing filter (activated carbon filter) capable of removing organic matter, and a second neutralization step of adding carbon dioxide gas to neutralize the supernatant water; And a third filter passing step of passing through a third filter (hollow fiber filter) capable of microfiltration.SELECTED DRAWING: Figure 1

The utility model discloses a river self-purification structure which comprises an upstream fish nest purification block used for purifying water and providing an ecological environment for aquatic animals; the ecological planting frames are filled with microporous ceramics, gravels and palm fiber mats to achieve water purification, the ecological planting frames form a stepped structure, and the downstream sightseeing fish nest purification block is used for purifying water, providing a habitat for aquatic animals and protecting a downstream riverbed; and the geotechnical cloth is used for preventing bottom silt from being scoured. The protection bed structure with the purification function is constructed, the ceramic structure, the wooden planting frame and the like which are good in ecology are adopted, the overall structure is ecological, an inhabiting environment can be provided for aquatic animals, growth of aquatic organisms and vegetation is not affected, the stepped ecological planting frame is adopted, on one hand, local water power can be improved, and on the other hand, the ecological planting frame is not damaged; on the other hand, combination of vegetation and the filler can be enhanced, the pollutant removal capacity is improved, and the river self-purification capacity is improved.

The invention provides a preparation method of a long palm fiber reinforced bio-based composite material, which comprises the following steps: twisting surface-modified palm fibers to form a surface-modified palm fiber string, and coating the surface-modified palm fiber string with high-fluidity bio-based polypropylene through a simple method to obtain the long palm fiber reinforced bio-based composite material. The preparation method comprises the following steps: preparing long palm fiber particles from palm fibers, preparing bio-based polypropylene coated long palm fiber particles, kneading and tabletting the bio-based polypropylene coated long palm fiber particles, bio-based polyethylene, a compatilizer, a filler and the like, and preparing the bio-based composite material. The problems that fluffy long plant fibers are difficult to discharge in a double-screw extruder, prone to caking and uneven in dispersion after being directly added and blended are solved, meanwhile, surface treatment is carried out on palm fibers, the interfacial compatibility of the palm fibers and the bio-based polyolefin material is enhanced, the lengths of the palm fibers in the bio-based polyolefin composite material are basically unchanged before and after processing, and the mechanical properties of the palm fibers are improved. Therefore, the performance of the bio-based composite material is improved.

The application relates to the technical field of composite materials, and discloses a preparation method of palm fiber powder-polyester composite master batch and application of the palm fiber powder-polyester composite master batch in a papermaking forming net. The preparation method comprises the following steps: mixing polyester, maleic anhydride grafted polyester and modified palm fiber powder, and extruding and granulating to obtain the palm fiber powder-polyester composite master batch; and the preparation process of the modified palm fiber powder comprises the following steps: (1) silane coupling agent hydrolysis: mixing a silane coupling agent and water to obtain a hydrolysis solution; (2) modification: spraying the hydrolysis solution into palm fiber powder treated by lye, stirring, and heating and reacting to obtain the modified palm fiber powder. The obtained palm fiber powder-polyester composite master batch has good mechanical properties. The papermaking forming net prepared by using the palm fiber powder-polyester composite master batch has high strength, good toughness, is more wear-resistant, and has a longer service life.

The invention provides a comprehensive ecological restoration method for a reservoir hydro-fluctuation belt, and belongs to the technical field of ecological management engineering. In the method, a groove with a specific trend is dug between the highest water level and the lowest water level of an upstream reservoir bank of a reservoir in a reservoir area low-water-level operation period, a waterproof film is laid and a water-absorbent resin material is arranged in the groove after the interior of the groove is compacted, on the basis, gravels or pebbles are laid as a substrate layer, and a water-permeable non-woven fabric is additionally arranged; then, the gabions are erected on the sides, close to water, of the grooves, and the gabions are filled with broken stones and ecological concrete; a water storage foundation trench is formed in the top of the trench between the gabion frames, a seed bag is placed, soil is covered above the seed bag, and an artificial spawning bed is formed; an arc-shaped guide plate is arranged on the upstream of an artificial spawning bed to disperse strong water flow to form a slow flow area, and degradable palm fiber or PE aquatic plants are fixed around the spawning bed to form an artificial fish nest. By applying the method, a good treatment effect can be achieved on the water-level-fluctuating zone of the reservoir, a favorable environment can be provided for fish school reproduction, and the method has outstanding technical advantages.

The utility model discloses a kind of coconut palm fiber walking mats of planting green plants, including coconut palm pad body and coconut palm rope, coconut palm rope surface is fixed with coconut palm rope, coconut palm rope includes warp rope and weft rope, warp rope and weft rope are longitudinally and transversely interlaced and are arranged in coconut palm pad body surface, and green plant is planted in the gap of coconut palm pad body.The utility model is provided with brown pad body and green plant, coconut palm fiber pad is laid on mountain path, is made of natural coconut fruit extraction fiber, is non-toxic and harmless, and will naturally corrode after durability, return to soil, naturally restore without recycling or removing, green plant is planted in the gap of coconut palm pad body, green plant can naturally grow in the natural substrate in pad body, form stable vegetation cover layer, harmonious with surrounding environment, no sense of discomfort, can create natural landscape effect, prevent silt loss simultaneously, and damaged mountain path is repaired, with high environmental protection value.

The utility model provides a protective device for a water-absorbing sponge of a browning machine, which relates to the technical field of browning machines and comprises a cleaning box, a protective component is arranged above the cleaning box and comprises a protective cover, a limiting column, an adjusting sheet and a threaded shaft, one end of the protective cover is connected with the outer wall of the limiting column, and the other end of the protective cover is connected with the adjusting sheet. The middle of the top of the protective cover is connected with the bottom of the adjusting piece, the limiting columns are symmetrically arranged relative to one end of the protective cover, the bottoms of the limiting columns are fixedly connected with a supporting plate, the first rotating motor drives the output shaft to drive the threaded shaft to rotate, the adjusting piece in screwed connection is made to move on the outer wall of the threaded shaft, and the height of the protective cover is adjusted. And when the cleaning box cleans the sponge roller, the protection effect can be achieved, the situation that cleaning liquid sprayed by the cleaning box splashes to other rollers and causes pollution is prevented, and the synchronous protection cover slides on the outer wall of the limiting column so that the lifting stability of the protection cover can be guaranteed.

The invention relates to the technical field of automotive interior materials, in particular to an automotive interior material with natural bamboo fibers as raw materials and a preparation method of the automotive interior material. Comprising the following components in parts by weight: 48-82 parts of modified bamboo fibers, 15-26 parts of modified polylactic acid fibers, 12-18 parts of modified palm fibers, 21-45 parts of polylactic acid, 10-15 parts of modified phenolic resin, 2-5 parts of a dispersant, 2-5 parts of a stabilizer and 1-2 parts of a curing agent. According to the prepared automotive interior material with the natural bamboo fibers as the raw material, the modified natural bamboo fibers are adopted, so that the automotive interior material has multiple functions of light weight, high strength, excellent acoustic and thermal performance, flame retardance, antibiosis, low VOC and the like, has the advantages of reproducibility, low carbon, cost and unique natural aesthetic feeling, and remarkably reduces the automobile weight, oil consumption and environmental load; and greenization, functionalization and cost reduction of the automotive trim are realized.

------22 / 05 / 2569------(OCR)OCR09WP A process to increase the Oil Extraction Rate (OER) for standard palm oil mills, consisting of 8 steps: Step 1: Grading and sorting fresh palm fruit and palm bunches; Step 2: Cleaning palm fruit and fresh palm bunches to remove impurities such as soil and others using high-pressure water jets; Step 3: Stopping the free fatty acid formation reaction using a centrifuge; Step 4: Separating palm fruit from palm bunches; Step 5: Separating the components of the palm fruit using a 3-stage centrifuge, resulting in a thick liquid mixture consisting of water, oil, fiber, and palm pulp; Step 6: Removing palm fibers from the thick liquid; Step 7: Separating the oil from the thick liquid; Step 8: Cleaning and dehumidifying the oil. This process can increase the OER from the original 15-18% to 20-26%.

The application provides a method for preparing high-performance concrete by using construction waste recycled aggregate, comprising the following steps: S1, preparation of recycled coarse aggregate: taking waste concrete blocks, crushing into old concrete particles, and screening; treating carbon nanotubes with chitosan to obtain modified carbon nanotubes; adding the modified carbon nanotubes and methoxypropyl trimethoxysilane into the old concrete particles, stirring uniformly, and drying to obtain the recycled coarse aggregate; S2, preparation of powder: mixing the recycled coarse aggregate prepared in step S1 and fine aggregate to obtain the powder; S3, preparation of concrete: treating palm fibers with chitosan to obtain modified palm fibers; taking water, adding water reducing agent, cement, slag powder, palm ash, methoxypropyl trimethoxysilane and the modified palm fibers, and then adding the powder prepared in step S2, stirring uniformly, and obtaining the concrete. The method can significantly improve the compressive performance, splitting tensile performance and antibacterial performance of the concrete.

A method of making a biodegradable thermal insulation composite based on poly(β-hydroxybutyrate) includes immersing powdered date palm fibers in a silane-grafting solution to produce silylated date palm fibers. The silylated date palm fibers are then suction filtered, washed with deionized water, and dried. The silylated date palm fibers are then melt extruded with poly(β-hydroxybutyrate) pellets to produce the biodegradable thermal insulation composite. The biodegradable thermal insulation composite may then be hot-pressed in a mold and may be further annealed. Alternatively, polylactic acid or poly(β-hydroxybutyrate) is dissolved in chloroform to form a solution. The solution is heated and poured on a volume of powdered date palm fibers such that a surface thereof is completely covered with the solution. The covered date palm fibers are then melt extruded with poly(β-hydroxybutyrate) pellets to produce the biodegradable thermal insulation composite, followed by hot-pressing in a mold and annealing.

The invention relates to the technical field of textile production scheduling, and discloses an intelligent scheduling method for an arenga engleri fiber process product production line. The method comprises the following steps: firstly, integrating multi-dimensional parameters according to real-time operation data of a production line, and generating a dynamic characteristic matrix containing information such as equipment load; inputting the data into a reinforcement learning scheduling model to obtain a scheduling decision vector with priority; constructing a multi-objective optimization function, and solving an optimal solution and a resource allocation path by means of a genetic algorithm; and finally, constructing a self-adaptive adjustment model based on fuzzy logic according to a solving result, generating a multi-stage scheduling threshold value changing along with the load through cooperative verification of a standard working condition simulator and a real-time state evaluator, and realizing intelligent scheduling according to a matching result of a real-time scheduling characteristic and the threshold value. According to the method, the production state can be dynamically mastered, resource allocation is optimized, the scheduling accuracy and adaptability are improved, and efficient and stable operation of the production line is guaranteed.

The application discloses a preparation method and application of palm fiber nanocellulose / aramid nanofiber composite aerogel, and the preparation method comprises the following steps: dissolving palm fiber nanocellulose and aramid nanofiber in an organic solvent containing a dissolving promoter to obtain a uniform solution; placing the solution in a crosslinking agent solution after freezing and replacement to perform a crosslinking reaction, so as to obtain a wet gel; and performing replacement and freezing molding. The composite aerogel prepared by the application has high porosity, uniform and stable adsorption sites, good adsorption effect and high structural strength, and the adsorption efficiency of the composite aerogel on cationic dyes reaches more than 92 %.

This invention belongs to the field of wastewater treatment technology, specifically relating to a method for pretreating PCB browning and micro-etching wastewater with bimetallic supported activated carbon to enhance electrolytic copper extraction. This invention uses widely available and inexpensive palm fiber and palm leaf as raw materials, and through steps such as cutting and washing, alkaline purification, phosphoric acid activation, and inert atmosphere carbonization, obtains Fe-Mo bimetallic supported palm activated carbon. This activated carbon can efficiently catalyze the reaction of hydrogen peroxide and persulfate in the browning and micro-etching solutions, generating ·OH and ·SO4. ‑ Active free radicals degrade organic matter in wastewater while providing a simple, safe, and economical pretreatment solution. This not only simplifies the subsequent electrolytic copper extraction process and reduces technological complexity but also lowers costs. It combines resource recycling and environmental benefits, offering an efficient and feasible solution for treating browning solutions and micro-etching solutions.

The invention relates to the technical field of asphalt mixture preparation, and particularly discloses a high-temperature-resistant anti-fatigue asphalt mixture and a preparation method thereof. The invention provides a high-temperature-resistant anti-fatigue asphalt mixture. The high-temperature-resistant anti-fatigue asphalt mixture is prepared from the following raw material components in parts by mass: 100 parts of asphalt, 890-950 parts of aggregate, 10-15 parts of modified calcined bagasse, 5-8 parts of red mud powder, 15-20 parts of palm fiber and 50-80 parts of mineral powder, the modified calcined bagasse is stearic acid modified calcined bagasse. By optimizing the raw material components in the asphalt mixture, the synergistic effect among the modified calcined bagasse, the red mud powder and the palm fibers can be fully exerted, and the high temperature resistance and the fatigue resistance of the asphalt mixture are remarkably improved.

The embodiments of the present application relate to the technical field of restoration of earthen sites. Disclosed are an ecological material for restoration of earthen sites and a restoration method. The present invention uses clean earth with the same texture as a basis in combination with hydrated lime, palm fibers and stones, which are mixed according to three different ratios, so as to form an ecological material having good durability and suitable cost. The restoration method of the present invention comprises the steps of base layer treatment, bamboo rib anchoring, mixture preparation, filling, wetting with water and tamping, maintenance, etc., so as to ensure natural integration and structural stability of the material and the earthen sites. The material of the present invention achieves the restoration effects of low cracking and hollowing rates and excellent adhesion between new and old earth bodies. The present application not only effectively protects and restores earthen sites but also preserves historical and cultural values of same, thereby providing a new solution for the ecological restoration of earthen sites.