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31results about How to "Play the role of supporting the skeleton" patented technology
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Carbon-coated nano silicon/graphene/cracked carbon layer composition material, preparation method, and lithium ion battery including the composition material
InactiveCN106067547AAchieve perfect compoundSimple processMaterial nanotechnologyCell electrodesNano siliconCarbon layer
The invention relates to a carbon-coated nano silicon / graphene / cracked carbon layer composition material, a preparation method thereof, and a lithium ion battery including the composition material. The composite material comprises spherical particles formed by uniformly dispersing carbon-coated nano silicon in graphene sheets, and a cracked carbon layer which coats the surfaces of the spherical particles. The carbon-coated nano silicon comprises nano silicon and carbon coating layer which coats the surface of the nano silicon. The method is simple, has excellent process performance and is environment-friendly. The carbon-coated nano silicon / graphene / cracked carbon layer composition material has stable structure and high compact density, has excellent performance when being used as an anode material of the lithium ion battery, has high anode capacity, excellent rate capability and cyclic performance, is more than 1500 mAh / g in first-time reversible capacity, is more than 90% in first-time coulomb efficiency and is more than 90% in 500-time cyclic capacity retention ratio and has low expansion.
Owner:BTR NEW MATERIAL GRP CO LTD
Wear-resistant self-lubricating anticorrosive coating material, preparation method and applications thereof
InactiveCN109836959ASimple preparation processEase of industrial productionAnti-corrosive paintsEpoxy resin coatingsEpoxyWear resistant
The invention relates to a friction-wear-resistant and corrosion-resistant technology of a metal member, particularly to a wear-resistant self-lubricating anticorrosive coating material, a preparationmethod and applications thereof, wherein the wear-resistant self-lubricating anticorrosive coating material comprises, by mass, 5-70 parts of an organosilicon resin, 10-80 parts of an epoxy resin, 2-30 parts of an anticorrosion filler, 3-20 parts of a wear-resistant filler, 5-30 parts of a lubricating filler, 0.5-4 parts of a coating material aid, a curing agent, and 0-80 parts of a diluent, wherein a mass ratio of the curing agent to the epoxy resin is 1:(4-10). The preparation method comprises: preparing a composite filler from the anticorrosion filler, the wear-resistant filler and the self-lubricating filler, preparing a component A from the resin, the composite filler, the coating material aid and the diluent, uniformly mixing the component A and a component B curing agent to preparea coating material, preparing a coating through spray coating, brush costing or dip coating, baking for 2-3 h at a temperature of 150-200 DEG C, and taking out. According to the present invention, the coating material has advantages of excellent wear resistance, excellent self-lubricating performance and excellent corrosion resistance, and can solve the problems of wear and corrosion of metal members in corrosive environments.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI
Preparation method of fluorine-doped Prussian blue sodium ion battery positive electrode material
ActiveCN114212803AHigh purityHigh crystallinityIron cyanidesCell electrodesAntioxidantSodium-ion battery
The invention discloses a preparation method of a fluorine-doped Prussian blue sodium-ion battery positive electrode material, which comprises the following steps: preparing a mixed solution of sodium ferrocyanide and sodium fluoride, adding an antioxidant into the mixed solution, adding a transition metal salt solution into the mixed solution at a certain flow rate, and after the charging is finished, carrying out vacuum drying to obtain the fluorine-doped Prussian blue sodium-ion battery positive electrode material. And adding a sodium chloride solution into the mixed solution, aging, carrying out solid-liquid separation on the aged material to obtain a precipitate, and washing and drying the precipitate to obtain the Prussian blue sodium ion battery positive electrode material. The mixed solution contains a large amount of fluorine ions, and the fluorine ions can be complexed with transition metal ions when the transition metal ions are added, so that the precipitation reaction speed is inhibited, crystallization is slowly carried out, particles with better crystallinity are obtained, and fluorine complexed metal sodium salt can generate precipitates along with the reaction, so that the crystallization effect is improved. The fluorine ions and the ferrocyanide are co-precipitated to form co-crystals, and the fluorine ions play a role in supporting a framework of the material.
Owner:GUANGDONG BRUNP RECYCLING TECH +2
Preparation process of three-penis wine
InactiveCN111019797AExtract impactExtract completelyAlcoholic beverage preparationBiotechnologyMedicinal herbs
The invention discloses a preparation process of three-penis wine. The preparation process comprises the following steps: S1, preparing the following medicinal materials in parts by mass: 0.2 part ofseal penis, 1 part of deer penis, 6 parts of penis canitis, 11.4 parts of ginseng, 10 parts of cinnamon, 20 parts of Chinese wolfberry, 20 parts of poria cocos, 30 parts of Chinese yam, 4 parts of Sichuan pepper and 4 parts of fennel, and crushing the medicinal materials into medicinal powder particles; S2, wetting and sealing the medicinal powder particles; S3, conveying the wetted medicine powder particles into a percolation device to be soaked; S4, carrying out percolation; S5, adding purified water into the percolation device, and carrying out circulating water washing; S6, blending wine,namely uniformly mixing an obtained percolate, sugar, yellow rice wine, old wine and purified water in proportion, standing and filtering. According to the preparation process of the three-penis wineprovided by the invention, effective components in the traditional Chinese medicine prescription can be more effectively extracted, and the medicinal effect of the traditional Chinese medicine prescription can be fully exerted.
Owner:烟台中亚至宝药业有限公司
Device for detecting carbon content of fly ash
The invention discloses a device for detecting the carbon content of fly ash, and relates to the technical field of detection of carbon content of fly ash. The device comprises a storage container; anignition mechanism is arranged in the storage container, and comprises a plurality of spherical ignition shells and a plurality of connecting cylinders; the spherical ignition shells are sequentiallynested with one another; the connecting cylinders penetrate from the spherical ignition shell on the outmost layer to the interiors of the spherical ignition shell on the innermost layer; vent pipesare led out from the end parts of the connecting cylinders and then expand upwards vertically; the upper ends of the vent pipes are communicated with the lower ends of vents; the vents are channels ofwhich the internal diameters are gradually expanded from bottom to top; and the bottom end of the spherical ignition shell on the outmost layer is connected to the bottom of the storage container through a supporting pillar. The invention aims to overcome the defect that in the conventional technical scheme that the carbon content of fly ash is measured on the basis of an ignition carbon loss method, the measurement accuracy is lower, and provides the device for detecting the carbon content of the fly ash. The measurement accuracy of the carbon content of the fly ash is improved.
Owner:义乌市添诚科技有限公司
Foundation pit with firm structure and earthwork excavation method of foundation pit
The invention discloses a foundation pit with a firm structure and an earthwork excavation method of the foundation pit, and relates to the technical field of building construction. The problem that the structure of a traditional foundation pit is not firm is solved. According to the technical scheme of the foundation pit with the firm structure and the earthwork excavation method of the foundation pit, the foundation pit with the firm structure comprises a foundation pit body, support piles and bar-mat reinforcement, wherein the support piles are distributed on the side wall of the foundationpit body in an annulus mode, the bar-mat reinforcement is connected to the inner walls of the support piles and arranged in an inclined mode, the upper end of the bar-mat reinforcement is connected to the inner walls of the support piles, the lower end of the bar-mat reinforcement is connected to the ground, a side wall formed by the bar-mat reinforcement and the support piles is filled with stone blocks, and strengthening beams are connected between the adjacent support piles. The technical scheme of the foundation pit with the firm structure and the earthwork excavation method of the foundation pit have the advantages that excavation is convenient, and the structure is firm.
Owner:温州开源建设集团有限公司
Carbon content detection method of fly ash of boiler
ActiveCN109100257APlay a role in ventilationPlay the role of supporting the skeletonWeighing by removing componentSolid particleFly ash
The invention discloses a carbon content detection method of fly ash of a boiler, and relates to the technical field of detection of the carbon content of the fly ash. The carbon content detection method of the fly ash of the boiler comprises the following steps: Step A, preparation; Step B, adding of solid particles and the fly ash; Step C, vibration; Step D, primary weighing; Step E, burning; Step F, secondary weighing; and Step G, cleaning. The invention aims to overcome the shortcoming of relatively low measurement accuracy of an existing technical scheme of measuring the carbon content ofthe fly ash based on a burning carbon loss method, and the carbon content detection method of the fly ash of the boiler is provided, so that the accuracy of measuring the carbon content of the fly ash is improved.
Owner:当涂县护河镇感湾劳务服务有限责任公司
Existing line tunnel lining structure of railway and construction method thereof
ActiveCN109519193AExtended service lifeReduce security risksUnderground chambersTunnel liningRebarReinforced concrete
The invention discloses an existing line tunnel lining structure of a railway and a construction method thereof. The tunnel lining structure comprises multiple steel arch frames and a cast-in-place reinforced concrete lining. The construction method comprises the steps of 1 existing lining chiseling, 2 determining the installation positions of the steel arch frames, 3 processing and manufacturingthe steel arch frames, 4 transporting the steel arch frames, 5 erecting the steel arch frames, 6 applying anchors, 7 implanting drill nails, 8 laying lining steel bars, 9 applying lining concrete and10 grouting reinforcement. The structure is reasonable, the cast-in-place reinforced concrete lining is closely connected with the existing lining, the existing lining can be effectively reinforced without the influence on an existing lining structure, external formworks can be reused during the concrete pouring process, the construction cost is effectively reduced, and the steel arch frames are used as side formworks, do not need to be dismantled after being used and can be stressed together with the existing lining and work together to greatly improve the safety of the cast-in-place reinforced concrete lining structure.
Owner:CHINA RAILWAY FIRST GRP CO LTD +1
Clutch device for mini tiller
The invention provides a clutch device for a mini tiller. The clutch device comprises a clutch housing component and a centre disc component with a driving piece and a driven piece, and characterized in that the clutch housing component comprises a clutch housing, a connecting sleeve and an end plate, which are riveted together; a buffering component is arranged between the clutch housing and the connecting sleeve; the buffering component comprises a spring unit and a rubber unit which are arranged in a staggered manner; the spring unit is formed by mounting a large spring and a small spring in a sleeving manner; and the length of the small spring in the middle is less than that of the large spring externally mounted. The clutch device is good in buffering performance, ageing failure of the buffering element is not caused easily, power transmission is stable, a speed change mechanism can be effectively protected, the comprehensive performance of the clutch is high and the service life is long.
Owner:CHONGQING JIAXING IND
Regenerated powder doped 3D printing engineering spoil printing ink material based on spoil autocompounding technology and preparation method of regenerated powder doped 3D printing engineering spoil printing ink material
ActiveCN114853402AGood extrudabilityImprove plasticity indexAdditive manufacturing apparatusSolid waste management3d printConstruction engineering
The invention provides a 3D printing engineering spoil ink material doped with regenerated powder based on a spoil autocompounding technology. The invention further provides a preparation method and application of the 3D printing engineering spoil ink material doped with the regenerated powder based on the spoil autocompounding technology and a 3D printing forming method. According to the 3D printing engineering spoil ink material doped with the regenerated powder based on the spoil autocompounding technology and the preparation method, engineering spoil resources of different types are fully utilized for autocompounding, the activity of the regenerated powder and the 3D printing in-situ construction advantages are combined, the problem that a large number of spoil resources cannot be effectively utilized is solved, and the 3D printing engineering spoil ink material is suitable for industrial production. And the method has the advantages of low carbon, environmental protection, rapid construction and the like, is beneficial to the sustainable development requirement and industrial development trend of engineering, provides a certain application foundation for the carbon reduction requirement of the construction industry, and has relatively high economic benefits and social values.
Owner:TONGJI UNIV
Preparation method of novel PVC-bamboo-plastic composite material
The invention provides a preparation method of a novel PVC-bamboo-plastic composite material. The preparation method comprises the following steps: (1) mixing aniline and formaldehyde together in water bath, adding phenol and heating, performing a reflux reaction at heat-preservation condition, dehydrating under reduced pressure, and discharging and cooling to obtain a benzoxazine resin; (2) adding a borate coupling agent to absolute ethyl alcohol, adding magnesium borate whisker and stirring, adding azodiisobutyronitrile under the protection of nitrogen and continuing stirring, discharging, filtering by suction, washing, drying, and extracting to obtain modified magnesium borate whisker; (3) drying bamboo powder, taking the bamboo powder out and adding the ethanol solution of a titante coupling agent, stirring, taking out, washing, drying and then grinding, thereby obtaining modified bamboo powder; and (4) adding PVC, trimethyl phosphate, a plasticizer, a stabilizer, an antioxidant, the benzoxazine resin, the modified magnesium borate whisker and the modified bamboo powder to a stirrer and stirring, shifting to a mixer for mixing, shifting to a hot press for hot pressing, thereby obtaining the PVC-bamboo-plastic composite material.
Owner:江西欧居工程有限公司
Boiler fly ash carbon content detection device
ActiveCN109187263BPlay a role in ventilationPlay the role of supporting the skeletonWeighing by removing componentEnvironmental engineeringMechanical engineering
Owner:江苏森达热电集团有限公司
Automatic pressurizing boxing target device
InactiveCN112516560AImprove the strength of resistanceReduce the probability of ruptureSport apparatusLatex rubberStructural engineering
Owner:NINGBO CITY YINZHOU FENGMING IND PROD DESIGN
A kind of tunnel lining structure and construction method of existing railway line
ActiveCN109519193BExtended service lifeAvoid destructionUnderground chambersTunnel liningRailway tunnelReinforced concrete
The invention discloses a tunnel lining structure of an existing railway line and a construction method thereof. The tunnel lining structure comprises multiple steel arch frames and a cast-in-place reinforced concrete lining; the construction method comprises steps: 1. Existing lining is chiseled ; 2. Determine the installation position of the steel arch; 3. Process and manufacture the steel arch; 4. Lower the steel arch; 5. Erection of the steel arch; Applied as lining steel bars; 9. Applied as lining concrete; 10. Grouting reinforcement. The structure of the invention is reasonably arranged, the cast-in-place reinforced concrete lining is closely connected with the existing lining, and the existing lining can be effectively reinforced without affecting the existing lining structure, and the outer formwork can be reused during the concrete pouring process. The construction cost is effectively reduced. At the same time, the steel arch frame is used as a side formwork. It does not need to be dismantled after use. It can be stressed and work together with the existing lining, which greatly improves the safety of the cast-in-place reinforced concrete lining structure.
Owner:CHINA RAILWAY FIRST GRP CO LTD +1
Carbon fiber river protection pile body, preparing method thereof and carbon fiber river protection pile
The invention belongs to the field of riverway peripheral facilities, and particularly provides a carbon fiber river protection pile body. The carbon fiber river protection pile body is mainly prepared from, by weight, 70-80 parts of polypropylene, 8-12 parts of ABS resin, 4-6 parts of carbon fibers, 4-6 parts of polyvinyl butyral, 0.5-1 part of antioxidant, 0.5-1 part of anti-aging agent and 1.2-1.7 parts of fire retardant. The invention further provides a preparing method of the carbon fiber river protection pile body and a carbon fiber river protection pile composed of the carbon fiber river protection pile body. The carbon fiber river protection pile body and the carbon fiber river protection pile obtained through the preparing method are low in manufacturing cost, high in strength, long in service life, convenient to disassemble and assemble and suitable for industrial application and popularization.
Owner:陈鹤忠
Device for detecting unburned carbon in flue dust of boiler
The invention discloses a device for detecting unburned carbon in flue dust of a boiler, and relates to the technical field of detection of the unburned carbon in flue dust. The device disclosed by the invention comprises a storage container, a burning mechanism is arranged in the storage container, the burning mechanism comprises: a plurality of burning spherical shells which are sequentially nested with each other, wherein a plurality of through holes are respectively formed in all burning spherical shells in the burning spherical shell on the outermost layer; and a plurality of connecting cylinders, wherein the connecting cylinders are inserted from the burning spherical shell on the outermost layer into the burning spherical shell on the innermost layer, and the connecting cylinders are respectively fixed on each layer of burning spherical shells; wherein a connecting cylinder that vertically penetrates through all burning spherical shells from top to bottom is provided with a plurality of through holes along the entire length direction. The device disclosed by the invention aims at overcoming the shortcomings of worse measurement accuracy of the existing technical scheme of measuring the unburned carbon in flue dust based on a burning carbon loss method, and providing the device for detecting the unburned carbon in flue dust of the boiler to improve the measurement accuracy of the unburned carbon in flue dust.
Owner:江苏森达热电集团有限公司
Preparation method of quick-setting hot-melt marking coating
PendingCN113321982AIncrease brightnessHigh reflection coefficientFireproof paintsLuminescent paintsMethacrylate methylFluorescence
The invention relates to the technical field of processing of road marking coatings, and in particular, relates to a preparation method of a quick-setting hot-melt marking coating, wherein the preparation method is prepared by the following steps: (1) stirring methyl methacrylate, potassium persulfate, a rare earth material and deionized water in N2 at the temperature of 65-75 DEG C and at the rate of 30-45 rmp / min for 1-2 hours, centrifuging, filtering, taking precipitate, and drying, to obtain polymethyl methacrylate nanospheres with the fluorescence characteristic; and (2) mixing nano TiO2 with rare earth material deionized water, then adding the porous calcium carbonate microspheres, carrying out ultrasonic treatment for 20-30 minutes, then adding an ethylenediamine tetraacetic acid disodium solution, stirring for 20-30 minutes, and drying. The prepared coating has the advantages of high reflection coefficient, high temperature resistance, wear resistance, long fluorescence duration and high fluorescence brightness.
Owner:天途路业集团有限公司
Boxing target support
InactiveCN112451946AImprove versatilityGuaranteed bufferGymnastic exercisingSound producing devicesRubber ringStructural engineering
The invention discloses a boxing target support which comprises a silencing support, a plurality of silencing rubber rings are arranged between the lower end of the silencing support and the inner side wall of a preset mounting hole in a base, a first mounting flange connected with the base is integrally formed at the upper end of the silencing support, the upper end of the silencing support is connected with a connecting support, a second mounting flange connected with the silencing support is integrally formed at the upper end of the connecting support, an elastic element is arranged betweenthe outer side wall of the connecting support and the side wall of the first mounting groove, a second mounting groove axially penetrating through the connecting support is formed in the connecting support, a positioning hole is formed in the bottom of the first mounting groove, a positioning rod is inserted into the second mounting groove, the lower end of the positioning rod is assembled in thepositioning hole in an extending manner, and the boxing target body is connected to the upper end of the positioning rod through the adjustable telescopic rod. The boxing target support has good elastic resilience, noise elimination can be achieved, connection is stable, and the height can be adjusted.
Owner:NINGBO CITY YINZHOU FENGMING IND PROD DESIGN
Height-adjustable boxing target support
InactiveCN112451947AGuaranteed height requirementsNo noiseGymnastic exercisingSound producing devicesStructural engineeringMechanical engineering
The invention discloses a height-adjustable boxing target support which comprises a noise reduction support, the lower end of the noise reduction support is connected with a base of a boxing target, anoise reduction element is arranged between the outer portion of the noise reduction support and the inner side wall of a preset mounting hole in the base, a mounting flange plate is integrally formed at the upper end of the silencing support, an adjusting mechanism used for achieving overall lifting of the silencing support is arranged on the mounting flange plate. a first mounting groove is formed in the upper end of the silencing support, a connecting support is connected into the first mounting groove, an elastic element is arranged between the outer side wall of the connecting support and the side wall of the first mounting groove, a second mounting groove is formed in the upper end of the connecting support, and a positioning rod used for fixing the boxing target body is mounted inthe second mounting groove. The height-adjustable boxing target support provided by the invention has good elastic resilience, noise elimination can be achieved, and height fine adjustment lifting canbe carried out.
Owner:NINGBO CITY YINZHOU FENGMING IND PROD DESIGN
A foundation pit with firm structure and its earthwork excavation method
ActiveCN109868826BAvoid leaningImprove structural strengthExcavationsArchitectural engineeringMesh reinforcement
The invention discloses a foundation pit with a solid structure and an earthwork excavation method thereof, relates to the technical field of building construction, and aims to solve the problem that the structure of the traditional foundation pit is not firm. The support piles distributed on the side wall of the foundation pit body, the steel mesh connected to the inner wall of the support pile and arranged obliquely, the upper end of the steel mesh is connected to the inner wall of the support pile, and the lower end is connected to the ground. Stones are filled between the side walls, and reinforcement beams are connected between adjacent support piles. The foundation pit with firm structure and its earthwork excavation method of the present invention have the advantages of convenient excavation and firm structure.
Owner:温州开源建设集团有限公司
Pressurizing boxing target
InactiveCN112451948AStable pressureFunction increaseGymnastic exercisingSound producing devicesStructural engineeringSmall head
The invention discloses a pressurizing boxing target which comprises a base and a boxing target body, the boxing target body is connected to the upper end of the base through an installation assembly,the boxing target body comprises a plurality of annular air bags, an inflation assembly is arranged on the side wall of each air bag, the inflation assembly comprises an inflating pipe, a first mounting hole is formed in the inner end of the inflating pipe, a second mounting hole which is coaxial and communicated with the first mounting hole is formed in the outer end of the inflating pipe, the aperture of the second mounting hole is smaller than that of the first mounting hole, a cover plate is arranged at the opening end, close to the first mounting hole, of the inflation pipe, a T-shaped valve element is slidably arranged in the first mounting hole, the small head end of the T-shaped valve element is matched in the second mounting hole, the other end of the T-shaped valve element is slidably matched in the first mounting hole, an elastic piece is arranged between the tail of the T-shaped valve element and the cover plate, and an air inlet hole communicated with the inner cavity ofthe air bag is formed in the side wall of the first mounting hole. The pressurizing boxing target provided by the invention has good elastic resilience, is convenient to pressurize and inflate, and isgood in sealing performance.
Owner:NINGBO CITY YINZHOU FENGMING IND PROD DESIGN
Vibration compaction device and vibration compaction method for backfill area in building construction
ActiveCN114016521AImproved vibration compactionPlay the role of supporting the skeletonEmbankmentsSoil preservationSoil scienceGeogrid
The invention discloses a vibration compaction device and method for a backfill area in building construction, and the method comprises the following steps that: backfill soil is selected, and the backfill soil is laid into a foundation pit in a layered manner; vibration compaction is carried out once when a layer of backfill soil is laid; before the backfill soil is subjected to vibration compaction, the moisture content of the backfill soil is monitored in real time; the backfill soil is subjected to vibration compaction, moisture in the backfill soil is sucked out through permeation at the position where the moisture content of the backfill soil is high, and moisture is injected into the backfill soil through direct water injection at the position where the moisture content of the backfill soil is low; and a geogrid is laid below each layer of backfill soil. According to the method, the water content of the backfill soil in the area being subjected to vibration compaction is monitored and controlled, so that the vibration compaction effect is effectively improved.
Owner:中建鸿腾建设集团有限公司
Boxing target springback damping support structure
The invention discloses a boxing target springback damping support structure which comprises a silencing support, the lower end of the silencing support is connected with a base of a boxing target, and a silencing assembly is arranged between the outer portion of the silencing support and the inner side wall of a preset mounting hole in the base. A first mounting groove is formed in the upper endof the silencing support, a connecting support is connected into the first mounting groove, an elastic element is arranged between the outer side wall of the connecting support and the side wall of the first mounting groove, a second mounting groove is formed in the upper end of the connecting support, and a positioning rod used for fixing the boxing target body is mounted in the second mounting groove. The boxing target springback damping support structure provided by the invention has good elastic springback, and noise elimination can be achieved.
Owner:NINGBO CITY YINZHOU FENGMING IND PROD DESIGN
Test method for carbon content in boiler fly ash
ActiveCN109100257BPlay a role in ventilationPlay the role of supporting the skeletonWeighing by removing componentProcess engineeringEnvironmental engineering
Owner:当涂县护河镇感湾劳务服务有限责任公司
Explosion-proof pressurizing boxing target
InactiveCN112546594AFunction increaseReduced risk of burstingSport apparatusEngineeringStructural engineering
The invention discloses an explosion-proof pressurizing boxing target. The explosion-proof pressurizing boxing target comprises a base and a boxing target body; the boxing target body is connected tothe upper end of the base through an installation assembly; the boxing target body comprises a plurality of annular air bags; the multiple air bags are arranged in a vertically attached mode; and an inflation assembly is arranged on the side wall of each air bag; a plurality of explosion-proof steel wire rings extending in the circumferential direction are arranged on the side wall of each air bagin the vertical direction; and a plurality of semi-arc buffer air bags are arranged on the outer side wall of each air bag in the vertical direction. The explosion-proof pressurizing boxing target provided by the invention has good elastic resilience, can realize noise elimination, is stable in connection and has good explosion-proof performance.
Owner:NINGBO CITY YINZHOU FENGMING IND PROD DESIGN
A kind of preparation method of pvc bamboo-plastic composite material
The invention provides a preparation method of a novel PVC-bamboo-plastic composite material. The preparation method comprises the following steps: (1) mixing aniline and formaldehyde together in water bath, adding phenol and heating, performing a reflux reaction at heat-preservation condition, dehydrating under reduced pressure, and discharging and cooling to obtain a benzoxazine resin; (2) adding a borate coupling agent to absolute ethyl alcohol, adding magnesium borate whisker and stirring, adding azodiisobutyronitrile under the protection of nitrogen and continuing stirring, discharging, filtering by suction, washing, drying, and extracting to obtain modified magnesium borate whisker; (3) drying bamboo powder, taking the bamboo powder out and adding the ethanol solution of a titante coupling agent, stirring, taking out, washing, drying and then grinding, thereby obtaining modified bamboo powder; and (4) adding PVC, trimethyl phosphate, a plasticizer, a stabilizer, an antioxidant, the benzoxazine resin, the modified magnesium borate whisker and the modified bamboo powder to a stirrer and stirring, shifting to a mixer for mixing, shifting to a hot press for hot pressing, thereby obtaining the PVC-bamboo-plastic composite material.
Owner:江西欧居工程有限公司
Bioelectrochemical system electrode stack and electrode stack array
PendingCN113880231AEasy to install and removeGood flexibilityTreatment by combined electrochemical biological processesWater contaminantsPhysicsEngineering
The invention provides a bioelectrochemical system electrode stack and an electrode stack array, the electrode stack comprises an electrode stack box body and an electrode plate, the interior of the electrode stack box body is provided with a first accommodating space, a treated reactant is accommodated in the first accommodating space, the treated reactant can be liquid or gas, one or more groups of electrode plates are sequentially arranged in the first accommodating space at intervals and are submerged in the treated reactant, and the polarities of the opposite sides of every two adjacent electrode plates are the same. The electrode stack realizes the industrialization system of the anode and the cathode with many compartments in the bioelectrochemical system, structural support is provided for large-scale application of the bioelectrochemical system, the electrode stack is convenient to mount and dismount, can be flexibly moved and combined to be used for various scenes needing the bioelectrochemical system, and is compact in structure and low in cost.
Owner:上海林海生态技术股份有限公司 +1
Vibration compaction method in backfill area in building construction
ActiveCN114016521BImproved vibration compactionPlay the role of supporting the skeletonEmbankmentsSoil preservationSoil scienceGeogrid
The invention discloses a vibration compaction device and a vibration compaction method for a backfill area in building construction, comprising the following steps: selecting backfill soil, and laying the backfill soil layer by layer into a foundation pit; vibrating once for each layer of backfill soil laid Compaction; before vibrating and compacting the backfill, monitor the moisture content of the backfill in real time; perform vibration compaction on the backfill, and suck out the backfill through infiltration at the position with a higher moisture content of the backfill Inner moisture, where the moisture content of the backfill is low, inject water into the backfill through direct water injection; a geogrid is placed under each layer of backfill. The invention effectively improves the vibration compaction effect by monitoring and controlling the water content of the backfill soil in the vibration compaction area.
Owner:中建鸿腾建设集团有限公司
A kind of high-barrier TPU film for pipeline lining and preparation method thereof
ActiveCN104448366BPrevent slippingAvoid reunionPolyurea/polyurethane coatingsSolubilityComposite film
Owner:FUZHOU UNIV
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