Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

62results about How to "Strong inertia" patented technology

Wave power piezoelectric generating device

The invention relates to a wave power piezoelectric generating device which comprises a wave energy collector and more than one piezoelectric generating units, wherein the piezoelectric generating units are arranged on the wave energy collector; the wave energy collector comprises a U-shaped supporting floating body and a floating body, wherein the opening of the supporting floating body is connected through a rigid connecting rod; a supporting floating body framework is fixedly arranged on the supporting floating body, four support rods are fixedly arranged on the supporting floating body framework, and a generator soleplate, a generator round wall and a generator top plate are sequentially fixedly arranged at the tops of the four support rods through a generator frame; a floating body framework is arranged on the floating body, the floating body framework is rigidly connected with a driving shaft, and the driving shaft sequentially penetrates through the generator soleplate and the generator top plate; support posts sequentially penetrating through the generator soleplate and the generator top plate are fixedly arranged on the floating body framework, and the tops of the support posts are fixedly connected through connecting rods; and each piezoelectric generating unit comprises a plurality of piezoelectric vibrators and scribing sheets, wherein each piezoelectric vibrator comprises a middle layer and two piezoelectric sheets. The invention can realize sympathetic vibration under various incoming wave conditions and obtain higher wave energy conversion efficiency and output electrical energy.
Owner:TSINGHUA UNIV

Aluminum-based material and preparation method thereof

The invention discloses an aluminum-based material. Aluminum nitride, zirconium oxide and tantalum oxide particles are uniformly distributed in an aluminum alloy substrate, MoS2, Al2O3 and SiC are distributed on part of a surface layer of the aluminum alloy substrate, the hardness of aluminum nitride, zirconium oxide and tantalum oxide is high, the hardness and wear-resisting performance of the substrate are significantly improved, and fluorinated graphite powder can improve the anti-friction property. The surface of the substrate is coated with a Mn-Cr coating in a fusion mode to effectivelyimprove the wear-resisting performance and corrosion resistance of the alloy surface. The dispersion strengthening of strengthening phases of Si, Cu, Cr, Ni, Hf, Fe, Ag, Ca, Li, Ba and other elementsin the alloy improves the mechanical properties of the material. A preparation method enables mixed powder to be located in the center of a master alloy solution during casting through a method by adhering the mixed powder to a pure aluminum metal wire, the rapid diffusion and homogenization of micro powder particles is facilitated, the production efficiency is improved, wear-resistant materials are locally added by friction stir machining, and the material utilization ratio is improved.
Owner:ANHUI POLYTECHNIC UNIV MECHANICAL & ELECTRICAL COLLEGE

Environment-friendly padding material for cattle farms, and manufacture method and use method of padding materail

The invention relates to an environment-friendly padding material for cattle farms, and a manufacture method and a use method of the padding material. The environment-friendly padding material for the cattle farms is obtained by mixing the padding-material main materials with tea seed cakes and carbonized rice husks, and performing aerobic fermentation, softening and dewatering, wherein the padding-material main materials are composed of trimmed branches of cinnamomum camphora and other trees. The manufacture method comprises mixing smashed small branches of cinnamomum camphora and other trees according to a proportion, and performing crushing and rubbing, so as to obtain the padding-material main materials; uniformly mixing the padding-material main materials with tea seed cake powder and the carbonized rice husks, and performing aerobic fermentation, so as to obtain the padding material for cattle pens. When liquid overflows during a process that the padding material is used for the first time, the padding material is taken out, cinnamomum camphora trimmed branches, tea seed cake powder and carbonized rice husks are added, fermentation and dewatering are performed according to the manufacture method, and the padding material can still be used after being used for two times. Through the technical scheme, agricultural and forestry wastes can be recycled, the cattle raising cost can be reduced, and the effect of improving the environment of the cattle farms can be achieved.
Owner:HOHAI UNIV

Zeolite water purifier for rapid purified seawater aquatic water

The invention discloses a zeolite water purifier for rapid purified seawater aquatic water. According to the technical scheme, the rapid seawater aquatic water purifier is mainly characterized by containing feed-grade zeolite powder and rice hull which are made into a finished product by smashing in a mechanochemical assisting mode, soaking, stirring, extruding, drying, screening and packaging, wherein the micro-pore channels of zeolite crystal molecules are increased through a mechanochemical assisting technique in the purified water filtering process, harmful substances such as ammonia nitrogen and nitrite in the aquatic water are effectively adsorbed in a physical mode, and the zeolite water purifier is strong in affinity with harmful polar gas molecules such as SO2, NH3 and H2S in the seawater aquatic water since great electrostatic attractive force and field of stress are formed inside the modified zeolite. Due to floating, suspension and up-and-down construability of the product in the seawater aquatic water, a three-dimensional water purification effect is achieved, the purifier is applicable to water purification for rapidly and conveniently reducing amino, removing nitrogen, stabilizing the pH value, adsorbing heavy metal and the like in the seawater aquatic process, and the purifier is also applicable to purification of seawater aquarium fish water.
Owner:DALIAN SEM BIOLOGICAL ENG TECH

Attapulgite water purifying agent for quickly purifying marine culture water body

The invention discloses an attapulgite water purifying agent for quickly purifying a marine culture water body. The technical scheme is characterized in that the quick marine culture water purifying agent is mainly composed of attapulgite clay and rice hull. The water purifying agent is prepared through the following steps: performing PICT (pressure-shear induced chemical transitions) pulverization, soaking, stirring, extruding, drying, screening, and packaging to obtain the finished product. In the adsorptive water purifying process, the specific surface area of attapulgite is increased through a PICT technology, thus removing granular and colloid pollutants through adsorption, and effectively removing harmful substances such as key pollutants phosphorus, ammonia nitrogen, COD (chemical oxygen demand) and the like causing eutrophication of a water body. Big electrostatic attraction power and stress fields are formed outside the attapulgite modified through the PICT technology, so that the ion-exchange property is enhanced, thereby being more beneficial to adsorptive purification of harmful substances such as Hg<2+>, Pb<2+>, Cr<6+>, Cd<2+>, Cu<2+>, other heavy metal ions and the like in the water. Thus, the attapulgite water purifying agent is applicable to purification and filtration such as quick ammonium reduction, nitrogen, phosphorus and COD removal, heavy metal adsorption and the like in the marine culture process, and is also applicable to purification of a marine aquarium fish water body.
Owner:DALIAN SEM BIOLOGICAL ENG TECH

Medical stone water purifier quickly purifying marine culture water body

The invention discloses a medical stone water purifier quickly purifying a marine culture water body, which is mainly characterized in that the quick marine culture water purifier mainly comprises medical stone and rice hulls. A finish product is formed by micro-cutting assisted grinding, soaking, stirring, extruding, drying, screening and packaging. In a water purification and filtration process, the specific surface area of the medical stone is increased by a micro-cutting assisted technology, granular and colloid pollutants are absorbed and removed, and harmful substances, such as principal pollutants of water body eutrophication (ammonia nitrogen, nitrite nitrogen and H2S) can be effectively removed. Since a greater electrostatic attraction force and a stress field are formed outside the medical stone modified by the micro-cutting assisted technology, the ion-exchange property is improved, and the adsorption purification of the harmful substances such as heavy metal ions (such as Hg<2+>, Pb<2+>, Cr<6+>, Cd<2+> and Cu<2+>) in water is more facilitated. The purifier is applicable to the purification and filtration such as quick ammonia reduction, as well as nitrogen, nitrite nitrogen and H2S removal in the marine culture process, and also applicable to purifying a marine aquarium fish water body.
Owner:DALIAN SEM BIOLOGICAL ENG TECH

Waterproof vehicle audio alarm device having self protection circuit

The invention belongs to the vehicle alarm device technology field and particularly relates to a waterproof vehicle audio alarm device having a self protection circuit. The waterproof vehicle audio alarm device comprises a high voltage protection circuit, an intermittent tone generation circuit, a power amplification and output current circuit and a loudspeaker, wherein an upper wall of a sound film of the loudspeaker is provided with a waterproof ventilation film, the loudspeaker is connected with a positive electrode end of the high voltage protection circuit, the other end of the loudspeaker is connected with the power amplification and output current circuit, the power amplification and output current circuit is connected with the intermittent tone generation circuit, the high voltage protection circuit comprises an electric signal anti-interference network module, an emitter follower module and a protection circuit module which are sequentially connected in series and further comprises a power source anti-interference network module connected with the emitter follower module, the power source anti-interference network module is connected with the intermittent tone generation circuit, the protection circuit module and the loudspeaker, and the electric signal anti-interference network module is further provided with a protection diode. The waterproof vehicle audio alarm device has the high voltage protection function and further has properties of good waterproof performance and long service life.
Owner:BESTAR HLDG

Method for producing cryolite from fluosilicic acid waste liquid

The invention discloses a method for producing cryolite from fluosilicic acid waste liquid in the technical field of cryolite preparation. The method includes the steps of 1, adding the fluosilicic acid waste liquid and excessive 5-10% sodium carbonate into a reaction kettle, mixing to form material liquid, stirring the material liquid, heating to 70 DEG C, filtering out silica gel until a pH value of the material liquid reaches 8-9, and obtaining filtrate, namely a sodium fluoride solution; 2, pouring the fluosilicic acid waste liquid and aluminum oxide in a specific reaction ratio into the reaction kettle to form material liquid, stirring the material liquid, heating to 80 DEG C, filtering out silica gel until the material liquid is free of particles, and obtaining filtrate, namely an aluminum fluoride solution; 3, adding the sodium fluoride solution and the excessive 9-11% aluminum fluoride solution into a synthesis kettle to form mixed liquid, heating the mixed liquid to 95-100 DEG C until no crystal particle generates in the synthesis kettle, filtering the mixed liquid to obtain the cryolite, heating hot water to wash, spin-drying and drying so as to obtain a cryolite finished product. By the method, the utilization rate of the fluosilicic acid waste liquid and the yield of the cryolite are increased remarkably, and the quality of the cryolite can be improved remarkably.
Owner:王显权

Dual-purpose agglutination sand for oil-field development

The invention discloses dual-purpose cemented sand used for oilfield development and aims at providing the dual-purpose cemented sand which cements and solidifies under the water bath environment, improves the ultimate recovery of the oil well, has good effects of sand prevention, leak stoppage, water plugging and profile control and effectively protects the oil layer. The dual-purpose cemented sand contains the following components according to percentages by weight of 60-80 percent of mixing chamotte of sulphoaluminate and ferrous aluminate, 10-20 percent of sintering porcelain granules and 10-20 percent of quartz sand. The dual-purpose cemented sand belongs to inorganic material, has strong inertia, stable performance, no harms to the human body, no pollution to the environment, low cost and can effectively protect the oil layer. As the dual-purpose cemented sand has the adsorptivity and the cementation and solidification performance among granules in the water bath environment, after entering into the stratum, the dual-purpose cemented sand cements and solidifies to form an artificial borehole wall under the water bath environment, thereby being capable of satisfying the cementing strength and the permeability required during the production. When the dual-purpose cemented sand is used for the measures of sand prevention, leak stoppage, water plugging and profile control, and the like, the construction process is simple, the construction period is short, the construction cost is low, the measure effect is good and the validity period is long.
Owner:TIANJIN BAIRONG CHEM TECH DEV

Municipal road height limit frame

The invention discloses a municipal road height limit frame. The municipal road height limit frame comprises two cross beams arranged in parallel, a buffer plate is arranged between the cross beams, and more than one through hole is formed in the buffer plate. Sealed cavities are formed in the positions, located between the adjacent through holes, in the buffer plate, the cavities on the tail portion are filled with sand, and the remaining cavities are filled with gas. Sliding grooves are formed in the opposite surfaces of the cross beams, and more than one sliding blocks is slidably installedin each of the sliding grooves. One ends of the sliding blocks extend along the openings of the sliding grooves to the outside, and hanging holes are formed in the ends, located on the outside, of the sliding blocks. The through holes are provided with elastic ropes, and both ends of the elastic ropes are fixedly connected with hooks. One ends of the hooks are all fixed into the hanging holes ofthe sliding blocks. The municipal road height limit frame is simple in structure and convenient to use, a vehicle can be stopped slowly, strong inertia is avoided when stopping, the safety of a driveris increased, and at the same time, the damage of the vehicle and unnecessary loss are avoided since an object hit by the vehicle is made of a flexible material.
Owner:巫志丰

Dual-purpose agglutination sand for oil-field development

The invention discloses dual-purpose cemented sand used for oilfield development and aims at providing the dual-purpose cemented sand which cements and solidifies under the water bath environment, improves the ultimate recovery of the oil well, has good effects of sand prevention, leak stoppage, water plugging and profile control and effectively protects the oil layer. The dual-purpose cemented sand contains the following components according to percentages by weight of 60-80 percent of mixing chamotte of sulphoaluminate and ferrous aluminate, 10-20 percent of sintering porcelain granules and10-20 percent of quartz sand. The dual-purpose cemented sand belongs to inorganic material, has strong inertia, stable performance, no harms to the human body, no pollution to the environment, low cost and can effectively protect the oil layer. As the dual-purpose cemented sand has the adsorptivity and the cementation and solidification performance among granules in the water bath environment, after entering into the stratum, the dual-purpose cemented sand cements and solidifies to form an artificial borehole wall under the water bath environment, thereby being capable of satisfying the cementing strength and the permeability required during the production. When the dual-purpose cemented sand is used for the measures of sand prevention, leak stoppage, water plugging and profile control, and the like, the construction process is simple, the construction period is short, the construction cost is low, the measure effect is good and the validity period is long.
Owner:TIANJIN BAIRONG CHEM TECH DEV

Treating method for silver electrodes used for ion chromatography electrochemistry amperometric detection

The invention discloses a treating method for silver electrodes used for ion chromatography electrochemistry amperometric detection, and relates to the technical field of ion chromatography electrochemistry amperometric detection. The silver electrodes are placed in a treating agent solution after mechanical polishing, stable silver crystalline grain structures are formed on the surfaces of the silver electrodes through a synergistic effect of orientated growth and orientated corrosion, namely exchange balance of Ag with Ag<+> and e<-> is mainly used, a dissolution prompting effect of HNO3 and methanesulfonic acid is used supplementarily, during orientated corrosion of high energy surface and high activity silver atoms of the silver crystalline grains, low activity silver atoms are generated through orientated sedimentation of low energy surface, and then sulfydryl groups and nitrogen atoms in a corrosion inhibitor are adsorbed to the surfaces of newly generated low activity silver atoms to avoid dissolution, so that the development of dissolution balance to the generation of low activity silver atoms is promoted, a plurality of stable silver crystalline grain structures are formed on the surfaces of the silver electrodes finally, the treated silver electrodes are relatively large in real area, uniform in microstructures and higher in inertia, the detection current value upper limit of ion chromatography electrochemistry amperometric detection can be improved, and the detection life is prolonged.
Owner:JIAXING UNIV +1

Method for producing cryolite through fluosilicic acid waste liquid

The invention discloses a method for producing cryolite through fluosilicic acid waste liquid in the technical field of cryolite preparation. The method includes the following steps of firstly, addingthe fluosilicic acid waste liquid and sodium carbonate excessive by 5-10% in a reaction still to be mixed to form material liquid, stirring the material liquid, conducting heating to 70 DEG C, and filtering out silicon dioxide silica gel after the pH value of the material liquid is 8-9 to obtain filtrate, namely a sodium fluoride solution; secondly, pouring the fluosilicic acid waste liquid and aluminium oxide of a reaction ratio in the reaction still to form a material liquid, stirring the material liquid, conducting heating to 80 DEG C, and filtering out silicon dioxide silica gel after noparticles exist in the material liquid to obtain filtrate, namely an aluminum fluoride solution; thirdly, putting the sodium fluoride solution and the aluminum fluoride solution excessive by 9-11% inthe reaction still to form mixed liquid, heating the mixed liquid to 95-100 DEG C till no grains are generated in the reaction still, filtering the mixed liquid, filtering out cryolite, adding hot water for washing, and conducting spin-drying and drying to obtain a finished cryolite product. By means of the scheme, the utilization rate of the fluosilicic acid waste liquid and the quality and yieldof the cryolite can be remarkably increased.
Owner:达州励志环保科技有限公司

Cementation propping agent

The invention discloses a cementation propping agent, and provides the cementation propping agent which is characterized in that the cementation propping agent is cemented and solidified under low temperature water-bath environment, the high temperature resistance cementation propping agent through cementation and solidification is used for heavy oil thermal recovery and coal bed gas exploitation. The cementation propping agent is compounded by aluminate chamotte sand with particle size of 0.35-1.6mm and high alumina sand, and comprises 50-80% of aluminate chamotte sand and 20-50% of high aluminium sand through weight percentage. The cementation propping agent is prepared by inorganic at-resisting materials through complex formulation, the aluminate chamotte sand is a cementation material, and can resist high temperature of 1600 DEG C after cementation and solidification. The high aluminium sand is a cementation aggregate and can resist high temperature of 2000 DEG C. The above materials are uniformly mixed according to reasonable ratio, and are subjected to hydration and hardening reactions under water-bath environment at more than 5 DEG C, hydration and hardening speed accelerates by following the increased temperature, after cementation and hardening for 72 hours, a continuous cementation solidified body is formed, so that sand prevention, water plugging and pressing crack measure requirements of heavy oil thermal recovery well and coal bed gas well can be satisfied.
Owner:方立新

Meerschaum water purifying agent for quickly purifying marine culture water body

The invention discloses a meerschaum water purifying agent for quickly purifying a marine culture water body. The technical scheme is characterized in that the quick marine culture water purifying agent is mainly composed of meerschaum and rice hull. The water purifying agent is prepared through the following steps: performing PICT (pressure-shear induced chemical transitions) pulverization, soaking, stirring, extruding, drying, screening, and packaging to obtain the finished product. In the water purification and filtration process, the specific surface area of meerschaum is increased through a PICT technology, thus removing granular and colloid pollutants through adsorption, and effectively removing harmful substances such as key pollutants ammonia nitrogen, COD (chemical oxygen demand) and the like causing eutrophication of a water body. Big electrostatic attraction power and stress fields are formed outside the kieselguhr modified through the PICT technology, so that the ion-exchange property is enhanced, thereby being more beneficial to adsorptive purification of harmful substances such as Hg<2+>, Pb<2+>, Cr<6+>, Cd<2+>, Cu<2+>, other heavy metal ions and the like in the water. Thus, the meerschaum water purifying agent is applicable to purification and filtration such as quick ammonium reduction, nitrogen, phosphorus and COD removal, heavy metal adsorption and the like in the marine culture process, and is also applicable to purification of a marine aquarium fish water body.
Owner:DALIAN SEM BIOLOGICAL ENG TECH

Manufacturing method of rigid-flex printed circuit board and rigid-flex printed circuit board

PendingCN111918490ASatisfy the precision of solder mask productionHigh hardnessPrinted circuit assemblingPrinted circuit aspectsComposite materialSolder mask
The invention discloses a manufacturing method of a rigid-flexible printed circuit board. The method comprises the following steps of manufacturing a solder mask layer in an area of a flexible printedcircuit board where solder mask needs to be manufactured, baking at high temperature, pasting a dry film on the solder mask layer, exposing and developing to form a dry film layer, coating a wet filmon the dry film layer, exposing and developing, and reserving a wet film pattern corresponding to the dry film layer to form a first wet film layer; coating a wet film at the position, correspondingto the first wet film layer, of a rigid board, exposing and developing, reserving a wet film pattern corresponding to the first wet film layer, forming a second wet film layer, typesetting and laminating a flexible board and the rigid board, uncovering the rigid board after laminating to form an uncovering area, and exposing the dry film layer or the first wet film layer in the uncovering area; and removing the auxiliary area, and removing the dry film layer or the dry film layer and the first wet film layer by adopting a film removing solution to obtain the rigid-flexible printed circuit board. According to the manufacturing method of the rigid-flexible printed circuit board, the quality of the rigid-flexible printed circuit board can be effectively improved, and the problems that the rigid-flexible printed circuit board is scrapped in the uncovering process and the like are solved.
Owner:SHENZHEN SHIRUITAI TECH

Artificial sponge soil, preparation method thereof and application of artificial sponge soil in air layering

InactiveCN109566369AGuaranteed supplyIncrease matrix viscosityLayeringGrowth substratesLand resourcesAdhesive
The invention belongs to the technical field of agriculture, and particularly relates to artificial sponge soil, a preparation method thereof and an application of the artificial sponge soil in air layering, wherein the soil specifically comprises the following components in each 1000g finished product: 10-50g of inorganic mineral fertilizer, 100-300g of a coagulant, 1-10g of adhesive and 50-200gof a leavening agent, and the balance of an excipient. The artificial sponge soil is simple in preparation and use method and more time-saving and labor-saving; the soil has pure matrix, is resistantto rain washing and environment-friendly; the process is simple and feasible, is beneficial to large-scale popularization, and provides a new air layering technology for the market; the artificial sponge soil can also enable plants to be planted on wall surfaces, in the air and other attachments, space can be fully utilized and land resources are saved; if the prepared artificial sponge soil cannot be used all at once, the rest part can be stored for a long time after being cooled; and when the artificial sponge soil is reused, the artificial sponge soil is heated to 40-50 DEG C again and is used after being melted, so that a large amount of cost can be saved.
Owner:天祝藏族自治县绿龙农业科技发展有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products