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36results about How to "Promote filamentation" patented technology

CFRP rib inhaul cable group anchorage device for bridge and manufacturing process of CFRP tendon inhaul cable group anchorage device

The invention discloses a CFRP rib inhaul cable group anchorage device for a bridge. The device comprises an anchor cup, an upper wire separation end plate, a lower wire separation end plate and multiple wire separation partition plates located between the upper wire separation end plate and the lower wire separation end plate are arranged in the anchor cup, the ends of CFRP ribs penetrate through a wire separation vibration attenuation block, the lower wire separation end plate, all the wire separation partition plates and the upper wire separation end plate in sequence from bottom to top and then are fixed to the upper wire separation end plate, the upper wire separation end plate, the lower wire separation end plate and all the wire separation partition plates are each provided with wire separation holes allowing the CFRP rib to pass through, each wire separation hole is internally provided with a gasket, the space formed by the upper end plate, the lower end plate and the inner wall of the anchor cup is divided into multiple filling chambers by the wire separation partition plates, and each filling chamber is filled with rubber mass. According to the CFRP rib inhaul cable group anchorage device, the wire separation end plates and the wire separation partition plates are arranged in the anchor cup, so that wire separation and fixation for the CFRP ribs are facilitated, meanwhile, the anchorage device is separated into the multiple filling chambers, the rubber mass in each filling chamber is made of hard particles with different yields, such as iron sand particles or aluminum oxide particles, rigidity of the rubber mass is adjusted to be increased gradually from the lower end of the anchorage device to the upper end of the anchorage device, the device is adapted to the anchoring loading features of the CFRP ribs, and the anchoring force of the CFRP ribs is raised.
Owner:CHINA MERCHANTS CHONGQING COMM RES & DESIGN INST

Physical preparation method for bamboo fibers

The invention provides a pure physical and pollution-free extraction technology for bamboo fibers. By means of the technology, coarse bamboo fibers with the diameter ranging from 0.03 mm to 0.3 mm, the length larger than 20 cm, the elongation at break ranging from 3% to 7%, the break force ranging from 3 N to 15 N and the break strength ranging from 100 MPa to 600 MPa can be obtained. The technological process includes the steps of pretreatment, high-temperature and high-pressure cooking, mechanical softening fibrillation, screening and separation, drying, and packaging and warehousing, wherein pretreated bamboo chips are put into a cooking container to be cooked and softened for 14-15 h, and then mechanical grinding fibrillation is performed through a softening machine. The product prepared through the technology meets the requirement for bamboo-plastic composites, production cost is low, the technological process is short, cleanliness and environment friendliness are achieved, and preparation is simple and easy.
Owner:TIANJIN POLYTECHNIC UNIV

Production method of craft paper with high smoothness

The invention discloses a method for producing craft paper with high smoothness. The method comprises the following procedures of: (1) a waste paper treatment procedure; (2) a wood pulp treatment procedure; and (3) a net papermaking procedure. In the procedure (1), waste paper pulp is subjected to impurity removal and grading so as to obtain long fiber pulp, medium fiber pulp and short fiber pulp;in the procedure (2), repulping is conducted to obtain wood pulp, the long fiber pulp, the medium fiber pulp and the wood pulp are soaked in dilute alkali liquor, and different types of abrasive discs for disc milling are prepared under an alkaline condition to obtain corresponding refined pulp; the refined medium fiber pulp is mixed with the refined wood pulp to obtain surface-layer pulp, and the refined short fiber pulp is mixed with the refined long fiber pulp to obtain core-layer pulp and bottom-layer pulp; paper manufacturing with the pulp is conducted in a triassic mesh mode; and finally, squeezing, drying, calendaring, reeling, rewinding and packaging are sequentially performed to obtain a finished product. In the process of pressing, the surface of coarse cotton cloth contains a modal fiber layer, and shape memory fibers are wrapped in the modal fiber layer. The production method effectively improves the smoothness of the craft paper.
Owner:NINE DRAGONS PAPER IND TIANJIN

Health care mat for infants and manufacturing method thereof

The invention provides a health care mat for infants and belongs to the technical field of textile processing. The health care mat for infants is of a three-layer double-side structure, a front side layer and a back side layer are both a simulation rattan mat body, and a middle health care layer is formed by evenly mixing and flattening 100 parts of Chinese herbal medicine and 5-40 parts of natural rubber cement by weight. The Chinese herbal medicine of the health care layer includes the following raw materials by weight: 1 part to 10 parts of bamboo charcoal, 1 part to 10 parts of jasmine flower, 20-35 parts of negundo chastetree fruit, 10-30 parts of semen cassiae, 10-30 parts of lavender and 10-20 parts of mint. The manufacturing method includes manufacturing the simulation rattan mat bodies, taking the Chinese herbal medicine according to the prescription, drying and breaking the Chinese herbal medicine, mixing the dried and broken Chinese herbal medicine with the natural rubber cement to obtain the health care layer, evenly coating the natural rubber cement on the bottom face of one simulation rattan mat body, laying the health care layer, then laying the other simulation rattan mat body and conducting clipping and edge wrapping to obtain a finished product of the health care mat for the infants. The health care mat is good in health care effect and low in cost.
Owner:NINGBO YINZHOU LIMING ARTS & CRAFTS

Wire dividing plate of cold cast anchorage and wire dividing method thereof

The invention provides a wire dividing plate of a cold cast anchorage, which comprises a wire dividing plate main body. The wire dividing plate main body is a plane; a screw hole is arranged at the center of the wire dividing plate; six lines of holes arranged in a straight line and six groups of holes in regular triangle arrangement are evenly distributed along the circumference of the screw hole in a radial manner; and the straight-line holes and the regular triangle hole groups are alternately arranged. The wire dividing method includes the following steps of: bundling semi-parallel steel wires into a regular hexagonal or chamfer hexagonal shape in tight arrangement; in the wire dividing process, inserting an awl along the interlayer of a steel wire bundle, then inserting three rows of thin steel wires with appropriate diameter, wherein the angle between every two rows of thin steel wires is 120degrees; replacing the two thin steel wires at the middle of each row of steel wires with thick steel wires, adjusting the axial positions of the thin and thick steel wires so as to enable the tips of the steel wires to be in arrangement consistent with the holes of the wire dividing plate; buckling the wire dividing plate into the steel wire bundle, jacking the wire dividing plate to an appropriate position through a pipe-jacking for the convenience of upsetting the steel wires, upsetting the steel wires, pulling back the wire dividing plate, and conducting the treatments of sealing, pouring, vibrating and curing. The wire dividing plate has the characteristics of high production efficiency, good anchoring performance and long service life.
Owner:JULI SLING

Cylindrical pulping machine with double pulping areas

The invention discloses a cylindrical pulping machine with double pulping areas. The cylindrical pulping machine with the double pulping areas comprises racks, a rotor, a casing, a pulp inlet tube, a pulp outlet tube, a driving shaft, a feeding transmission mechanism and a pulping mechanism, wherein the pulping mechanism comprises a plurality of movable pulping pieces, axial moving slopes, a fixed pulping piece and a fixed pulping piece moving slider, the movable pulping pieces are mounted on the rotor and used for forming cylindrical pulping areas, the axial moving slopes are fixedly connected with the casing, sliding plates capable of converting axial moving into radial moving of the fixed pulping piece are arranged between the axial moving slopes and the fixed pulping piece moving slider, the casing is connected with an output end of the feeding transmission mechanism, and the driving shaft is connected with a motor supplying power. The cylindrical pulping machine with the double pulping areas has the advantage that pulping quality is improved, pulping state is stable, and performance of pulp is improved. Compared with a conventional dual-disc pulping machine and a conventional conical pulping machine, the cylindrical pulping machine with the double pulping areas also has the advantage that empty load energy consumption is greatly lowered and economic benefit is remarkable under same pulping capability.
Owner:SUZHOU FEIYU PRECISION TECH

Preparation method of soluble and fusible polyimide precipitation fiber

The invention discloses a preparation method of a soluble and fusible polyimide precipitation fiber. The preparation method comprises the following steps: firstly, mixing calcium chloride, N,N-dimethylacetamide and water in proportion, and uniformly stirring, so that a precipitation agent is obtained; secondly, carrying out reaction on a diamine monomer and a dianhydride monomer in an aprotic polar solvent to generate polyamide acid solution, then carrying out chemical cyclodehydration to obtain polyimide solution, and finally diluting to obtain polyimide stock solution; and thirdly, respectively injecting the precipitation agent and the polyimide stock solution into a precipitation machine, carrying out high-speed stirring by virtue of the precipitation machine, shearing to obtain suspension liquid, and then filtering and washing, so that the soluble and fusible polyimide precipitation fiber is obtained. The prepared polyimide precipitation fiber not only can well meet wet papermakingrequirement but also can be fused, so that the polyimide precipitation fiber can be tightly combined with a polyimide chopped fiber during hot press molding, and finally the polyimide precipitation fiber can be applied to preparation of high-performance high-temperature-resistant paper products such as high-strength lithium ion diaphragm paper, capacitor paper, insulation paper and honeycomb paper.
Owner:CHANGZHOU SUNCHEM HIGH FORMANCE POLYMER

Tobacco stem multistage utilization method based on supercritical CO2 extraction technology

The invention discloses a tobacco stem multistage utilization method based on a supercritical CO2 extraction technology. The invention provides a comprehensive utilization method of tobacco stems. Firstly, the tobacco stems are extracted through the supercritical CO2 extraction technology, the tobacco stems treated through the supercritical CO2 extraction technology are loose in structure, later fiber fibrillation is facilitated, energy consumption is reduced, and the fiber utilization effect is improved; the extract liquor in a primary separation kettle is rich in tobacco pigment and is usedfor producing reconstituted tobaccos after being separated and collected, so that the coloring effect of the reconstituted tobaccos can be improved, and the appearance quality of products is improved;aroma components in the extraction liquid in the secondary separation kettle are from the tobacco stems, the aroma characteristics are consistent with those of tobacco, and the aroma components are added into the coating liquid after being subjected to secondary separation and purification, so that the sensory quality of reconstituted tobacco products can be effectively improved.
Owner:HUBEI CHINA TOBACCO IND +1

A polymer monofilament liquid applying (oil applying, functional sizing agent applying and wrapping) device

InactiveCN105887219AIncrease the contact areaSolve the problem of low liquid volumeArtificial filament physical treatmentFilament/thread formingPhysicsEngineering
The invention provides a polymer monofilament liquid applying (oil applying, functional sizing agent applying and wrapping) device. The device mainly comprises a liquid applying and filament guide channel assembly 1, a liquid applying and filament guide channel assembly drive device 2, a liquid storage assembly 3, a liquid quantitative conveying assembly 4 and an overflow assembly 5. A liquid applying and filament guide assembly channel can be in the shape of a flat surface or a curved surface; the carrier thereof can be roller-shaped or wheel-shaped and is fixed on a liquid applying and filament guide member base. The drive device 2 is connected to one end of the liquid applying and filament guide channel assembly. The liquid applying and filament guide channel assembly is characterized in that a liquid applying surface is provided with liquid guide grooves of different shapes and specifications. The device is simple in structure; the liquid applying surface processing precision and fineness are high, and damage to polymer monofilaments can be reduced; the liquid applying uniformity in the radial direction and the axial direction of the monofilaments can be guaranteed and the liquid applying efficiency is increased; the device can fulfill the functions of a filament guide device and a filament separating device and can be used for the liquid applying (oil applying, functional sizing agent applying and wrapping) of various kinds of polymer monofilament materials.
Owner:JIANGSU DUWEI NEW MATERIAL SCI & TECH CO LTD

Wire dividing plate of cold cast anchorage and wire dividing method thereof

The invention provides a wire dividing plate of a cold cast anchorage, which comprises a wire dividing plate main body. The wire dividing plate main body is a plane; a screw hole is arranged at the center of the wire dividing plate; six lines of holes arranged in a straight line and six groups of holes in regular triangle arrangement are evenly distributed along the circumference of the screw hole in a radial manner; and the straight-line holes and the regular triangle hole groups are alternately arranged. The wire dividing method includes the following steps of: bundling semi-parallel steel wires into a regular hexagonal or chamfer hexagonal shape in tight arrangement; in the wire dividing process, inserting an awl along the interlayer of a steel wire bundle, then inserting three rows of thin steel wires with appropriate diameter, wherein the angle between every two rows of thin steel wires is 120degrees; replacing the two thin steel wires at the middle of each row of steel wires with thick steel wires, adjusting the axial positions of the thin and thick steel wires so as to enable the tips of the steel wires to be in arrangement consistent with the holes of the wire dividing plate; buckling the wire dividing plate into the steel wire bundle, jacking the wire dividing plate to an appropriate position through a pipe-jacking for the convenience of upsetting the steel wires, upsetting the steel wires, pulling back the wire dividing plate, and conducting the treatments of sealing, pouring, vibrating and curing. The wire dividing plate has the characteristics of high production efficiency, good anchoring performance and long service life.
Owner:JULI SLING

Preparation process of base paper material of high-water-absorption paper towel

The invention relates to the field of paper towel production, in particular to a preparation process of a high-water-absorption paper towel base paper material, which comprises the following steps: repulping: repulping softwood pulp and hardwood pulp, adding chemimechanical pulp at the same time, and adding pulping enzyme when the wood pulp is repulped; slag removal: performing slag removal treatment on the slurry through a slag remover; pulping: conveying the pulp into a pulping machine for pulping; sizing: diluting the slurry with white water, and then feeding the diluted slurry into a sizing system for deslagging and screening; adding chemicals: adding a wet strength agent, a control agent and a bactericide in the sizing process after grinding; papermaking: feeding the screened pulp into a papermaking machine for papermaking to obtain raw paper of the high-water-absorption paper towel; forming on a net: controlling the pulp-net speed ratio to be 0.89-0.94 J / W; drying in a drying cylinder: drying on the surface of the drying cylinder, and uniformly spraying a drying cylinder coating on the surface of the drying cylinder during drying; and wrinkling: wrinkling the paper surface by using a wrinkling scraper. The technical problems that the water absorption performance of the paper towel is poor, and paper is wasted are solved.
Owner:FUJIAN HENGAN HLDG CO LTD +1

Cylindrical single-grinding grinder

InactiveCN103061190BStable refining performanceHigh strengthPulp beating/refining methodsRadial motionDrive shaft
The invention discloses a cylindrical single-grinding grinder which comprises a frame, a rotor, a shell, a pulp inlet pipe, a pulp outlet pipe and a drive shaft. The drive shaft is connected with a power source. A plurality of movable grinding pieces and a fixed grinding piece are mounted on the outer circumference of the rotor to form a cylindrical grinding area. The fixed grinding piece is connected with a fixed grinding piece moving slider. A slope which can move axially is fixed inside the shell. A sliding plate for converting axial motion into radial motion is disposed between the slope and the fixed grinding piece moving slider. The cylindrical single-grinding grinder further comprises a fixed grinding piece advancing and retreating transmission mechanism. An output end of the fixed grinding piece advancing and retreating transmission mechanism is connected with the shell. The cylindrical single-grinding grinder has the advantages that the cylindrical single-grinding grinder is high grinding quality, stable in grinding state, and high in grinding efficiency compared with traditional dual-disc grinders and conical grinder, pulp performance is improved, and no-load consumption is lowered greatly under the same grinding capacity. In addition, the cylindrical single-grinding grinder is more convenient to operate and evident in economical benefits, the size and the length of the grinder are reduced greatly, and power of matching motors is lowered.
Owner:SUZHOU FEIYU PRECISION TECH

Anchorage and manufacturing process of cfrp tendon stay cable group anchors for bridges

The invention discloses a CFRP rib inhaul cable group anchorage device for a bridge. The device comprises an anchor cup, an upper wire separation end plate, a lower wire separation end plate and multiple wire separation partition plates located between the upper wire separation end plate and the lower wire separation end plate are arranged in the anchor cup, the ends of CFRP ribs penetrate through a wire separation vibration attenuation block, the lower wire separation end plate, all the wire separation partition plates and the upper wire separation end plate in sequence from bottom to top and then are fixed to the upper wire separation end plate, the upper wire separation end plate, the lower wire separation end plate and all the wire separation partition plates are each provided with wire separation holes allowing the CFRP rib to pass through, each wire separation hole is internally provided with a gasket, the space formed by the upper end plate, the lower end plate and the inner wall of the anchor cup is divided into multiple filling chambers by the wire separation partition plates, and each filling chamber is filled with rubber mass. According to the CFRP rib inhaul cable group anchorage device, the wire separation end plates and the wire separation partition plates are arranged in the anchor cup, so that wire separation and fixation for the CFRP ribs are facilitated, meanwhile, the anchorage device is separated into the multiple filling chambers, the rubber mass in each filling chamber is made of hard particles with different yields, such as iron sand particles or aluminum oxide particles, rigidity of the rubber mass is adjusted to be increased gradually from the lower end of the anchorage device to the upper end of the anchorage device, the device is adapted to the anchoring loading features of the CFRP ribs, and the anchoring force of the CFRP ribs is raised.
Owner:CHINA MERCHANTS CHONGQING COMM RES & DESIGN INST
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