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143results about How to "Creative improvement" patented technology

High nickel quaternary cathode material precursor, high nickel quaternary cathode material, preparation method and application

The invention provides a high nickel quaternary cathode material precursor, a high nickel quaternary cathode material, a preparation method and an application. The chemical formula of the high nickelquaternary cathode material is shown as a formula Lia(Ni1-x-y-zCoxAlyMnz)O2, x, y, z and a are mole fractions, x is larger than 0.03 and smaller than or equal to 0.15, y is larger than 0.01 and smaller than 0.05, z is larger than 0.01 and smaller than 0.05, 1-x-y is larger than 0.6 and smaller than 0.9, and a is larger than or equal to 1 and smaller than or equal to 1.1. Soluble nickel salt, soluble cobalt salt, soluble aluminum salt and soluble manganese salt are prepared in a form of a solution and can be uniformly distributed in the solution, and the high-nickel quaternary cathode materialprecursor is prepared from the solution with the uniformly distributed nickel salt, cobalt salt, aluminum salt and manganese salt; then, the high nickel quaternary cathode material precursor and lithium salt are mixed and sintered four times, and the high nickel quaternary cathode material is obtained. The high nickel quaternary cathode material has stable structure, high safety performance, longcycle life and good thermal stability.
Owner:LIONANOCHINAINC +1

System and method for cracking of methyl tertiary butyl ether to prepare high purity isobutylene

The invention discloses a system for cracking of methyl tertiary butyl ether to prepare high purity isobutylene. The system includes: a refining tower; a reactor; a gas-liquid separation tank; a methanol recovery tower; a methanol washing tower; an isobutylene light component removal tower; and an isobutylene heavy component removal tower. The refining tower, the reactor, the gas-liquid separation tank, the methanol washing tower, the isobutylene light component removal tower, and the isobutylene heavy component removal tower are connected in order, the gas-liquid separation tank is connected to the methanol recovery tower, and the methanol washing tower, the gas-liquid separation tank and the methanol recovery tower form parallel connection. At the same time, the invention also provides a method for preparation of high purity isobutylene through cracking of methyl tertiary butyl ether. With the system and the preparation method provided by the invention, high purity isobutylene with purity of greater than 99.9% can be prepared, and methanol with purity of more than 99% can be obtained. Thus, investment and energy consumption of equipment are reduced, and loss of isobutylene is reduced.
Owner:SHANGHAI LANKE PETROCHEM ENG & TECH

Quick smoking cessation atomizing cigarette with prolonged service life

The invention relates to a quick smoking cessation atomizing cigarette with prolonged service life, solving the problems that the atomization amount is not easy to control, the use effect is poor and the service life is short. A smoking cessation drug nozzle is movably arranged at the front end of an atomizer, a battery rod is connected with the rear end of the atomizer, the smoking cessation drug nozzle is formed in a way that an air hole is arranged in the center of the front end of a hollow cylinder, breathable cotton containing smoking cessation health-care drug is arranged at each of thetwo ends of a drug bin, a breather pipe is arranged at the rear part of the drug bin, oil absorbing cotton containing smoking cessation oil drug liquor is filled around the breather pipe, the atomizer is formed in a way that four corresponding air holes are arranged at the periphery of an atomizing ceramic cup and a metal nickel net wraps the periphery of thee atomizing ceramic cup, an oil absorbing rope absorbing the smoking cessation oil drug liquor is arranged on an atomizing ceramic cup holder, a heating wire is wound on the rope, two ends of the heating wire are respectively connected with the negative electrode of a battery and one end of a CPU (central processing unit) control panel, the other end of the CPU control panel is connected with the positive electrode of the battery, thebottom of the atomizer is connected with the battery rod, and a controller protective casing is sheathed on the CPU control panel and is connected and sealed with the CPU control panel by a rear cover and the rear part of the battery rod. The quick smoking cessation atomizing cigarette is long in service life and can achieve the purpose of thorough smoking cessation.
Owner:易侧位

Metasurface reflective array plane used for focusing electromagnetic waves

The invention discloses a metasurface reflective array plane used for focusing electromagnetic waves. The super-surface reflective array plane comprises an array phase plate (2) formed by more than two phase shifting units (1), wherein each phase shifting unit (1) comprises a dielectric plate (3); a metal patch (4) is arranged on the surface of each dielectric plate (3); an upper hole (5) is formed in the middle of each metal patch (4); a metal grounding plate (6) is arranged at the bottom of each dielectric plate (3); a lower hole (7) is formed in the middle of each metal grounding plate (6); a metal tube (8) is arranged in the middle of each dielectric plate (3); and the metal tube (8) is communicated with the corresponding upper hole (5) and the corresponding lower hole (7). The metasurface reflective array plane has a quite excellent incident wave reflection and focusing effect; in addition, the incident wave reflection attenuation rate is lowered, so that the reflective effect of the metasurface reflective array plane is improved consequentluy; the reflection efficiency of the existing array antenna is normally 30-40%, while the reflection efficiency of the metasurface reflective array plane can reach 65%; and in addition, the metasurface reflective array plane also has the characteristics of small volume, light weight and low cost.
Owner:德州亿诺信息科技有限公司

Deep-layer stirring pile equipment for soil restoration and construction method thereof

The invention discloses deep-layer stirring pile equipment for soil restoration and a construction method thereof. The deep-layer stirring pile equipment comprises a drill rod assembly, a farm chemical feeding assembly and a cement paste adding assembly; the drill rod assembly comprises a drill rod, a drill rod linkage motor, a drill rod lifting stand column and a drill rod bracket, the drill rod and the drill rod linkage motor are installed on the drill rod lifting stand column at the same time and driven by a hoisting mechanism on the drill rod lifting stand column to ascend and descend, and the drill rod lifting stand column is arranged on an equipment foundation support through the drill rod bracket; the drill rod is hollow, an inner cavity of the drill rod is connected with a farm chemical conveying pipe of the farm chemical feeding assembly and a cement paste conveying pipe of the cement paste adding assembly in parallel, and cement paste and restoration agentia are added into drilled soil in sequence. The deep-layer stirring pile equipment capable of conducting precise positioning is utilized to drill and cut contaminated soil on the spot; and meanwhile, the cement paste and restoration agentia are sequentially injected into the contaminated soil from the front end of the drill rod so that the cement paste and restoration agentia can be mixed and stirred with the contaminated soil repeatedly in the stirring process to form cement paste agentia to restore the soil, and finally the effect of in-situ restoration of the contaminated soil is achieved.
Owner:AEROSPACE KAITIAN ENVIRONMENTAL TECH CO LTD

Track movable stretchable chute

InactiveCN109296051ASimple and efficient operationPouring position is accurateSewer pipelinesTrackwayEngineering
The invention discloses a track movable stretchable chute. The chute comprises a track, a movable support and a stretchable chute. The track is installed along a to-be-poured pipe groove, the movablesupport is installed on the track through a walking wheel, the stretchable chute comprises a plurality of U-shaped grooves which are sleeved and stacked, wherein the sizes of the U-shaped grooves aresequentially decreased, the U-shaped grooves are sequentially sleeved and stacked through cooperation of a sliding groove and a sliding column, wherein the front end of the first U-shaped groove is hinged to the movable support, the rear end of the first U-shaped groove is supported to the movable support through a lifting device, the middle U-shaped grooves and the tail U-shaped grooves are sequentially formed inside the first U-shaped groove, the tail U-shaped grooves are aligned to the to-be-poured pipe groove when stretching out, and the inclined angle of the stretchable chute can be adjusted through a lifting device. The adopted materials are simple and are all commonly-used materials on a construction site, the construction device operation method is simple and easy to control, deepfoundation pit pipeline concrete pouring can be easily, conveniently, rapidly and accurately performed, and the working efficiency is improved.
Owner:CHINA FIRST METALLURGICAL GROUP

Negative-pressure three-dimensional flow-guiding disturbance impact solidification dredger filling method

The invention discloses a negative-pressure three-dimensional flow-guiding disturbance impact solidification dredger filling method. The negative-pressure three-dimensional flow-guiding disturbance impact solidification dredger filling method mainly comprises the steps that a dredger fill area is cleaned and flattened; a ditch is horizontally formed in the dredger area or a horizontal water seepage pipe is arranged by inclining by 0.5-5 degrees, and backfilling is conducted through medium and rough sand-gravel aggregate; a dam and a drainage canal are constructed on the periphery of the dredger fill area, and a water diversion pipe and an automatic-flowing drainage pipe are pre-buried; a dredger fill pipeline is led into the dredger fill area in the dam; slurry is guided into the surface layer of the dredger fill area and underground water is guided into the drainage canal after silt deposits; a water suction pump is connected to the outer port of the drainage pipe, and then forced drainage is conducted. Meanwhile, the invention creatively provides a suspension controllable dredger fill area drainage device, a movable multifunctional integrated well tube draining and vibrating-flushing device and technologies matched with the suspension controllable dredger fill area drainage device and the movable multifunctional integrated well tube draining and vibrating-flushing device. Compared with the prior art, the reinforcing period can be shorted by about 50% and the comprehensive unit cost can be reduced by about 45% under the same condition, and the bearing capacity of a fill stratum within the overall depth range can reach 60-80 kPa after treatment.
Owner:江苏楚匠建设工程有限公司

Metasurface orbital angular momentum array antenna with good reflectivity

ActiveCN110011058ASimple structureThe structure has been creatively improvedAntenna arraysMomentumAngular momentum
The invention discloses a metasurface orbital angular momentum array antenna with good reflectivity. The array antenna is an array phase plate formed by arranging more than two phase-shifting units, each phase-shifting unit comprises a dielectric layer, the surface of the dielectric layer is provided with square annular metal patches; the bottom portion of the dielectric layer is provided with metal grounding layers, the array phase plate is divided into a first quadrant, a second quadrant, a third quadrant, a fourth quadrant, a fifth quadrant, a sixth quadrant, a seventh quadrant and an eighth quadrant in the clockwise direction, the superficial area of the metal patch in each quadrant is the same, and the superficial areas of the metal patches on the phase-shifting units in the first quadrant, the second quadrant, the third quadrant, the fourth quadrant, the fifth quadrant, the sixth quadrant, the seventh quadrant and the eighth quadrant are decreased in order. The metasurface orbital angular momentum array antenna has a very excellent incident wave reflection vortex effect, the reflection efficiency can reach more than 70 percent, and the metasurface orbital angular momentum array antenna has good energy transmission efficiency; in addition, the metasurface orbital angular momentum array antenna has the advantages of the simple structure, high utilization rate of unit areasof the phase-shifting units, the simple manufacturing process and the low cost.
Owner:ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY

Method for producing ecological formula rice in fields

The invention relates to the technical field of ecological food production technology and low carbon agriculture, and discloses a method for producing ecological formula rice in fields. The method comprises the following steps of: soaking seeds and raising rice seedlings (mixed sowing), rice field fertilization and seedling transplanting (companion planting), fencing to breed ducks and integrated rice-duck farming, and harvesting, wherein the key technologies of selecting and proportioning two soaking seeds of the rice, the companion planting of the rice, and integrated rice-duck farming management and water management and the like are optimized; a method for directly producing the ecological formula rice in the fields is obtained; the conventional means and relevant production restriction of producing the formula rice in workshops are changed; the later factory settings and work load of producing the formula rice are effectively reduced; the investment and energy use are reduced; the milled rice ratio, the amylose content and the gel consistency of the produced ecological formula rice are improved relative to the rice produced by the conventional monoculture method; and the ecological formula rice is free of pesticide, healthy and safe, and has obvious economical effect and social effect.
Owner:SOUTH CHINA AGRI UNIV

Liquor fermentation device

ActiveCN107475016AGuarantee the quality of fermentationCreative improvementAlcoholic beverage preparationMicroorganismEngineering
The invention relates to the field of liquor brewing equipment, in particular to a liquor fermentation device which can ensure uniform distribution of a microorganism system and materials in pit mud in a fermentation tank, so as to ensure the quality consistency of liquor produced in the fermentation tank. The liquor fermentation device comprises a fermentation tank and at least one pit mud module, wherein the pit mud modules are detachably and uniformly arranged on the inner wall of the fermentation tank, and pit mud is arranged in the pit mud modules. In the liquor fermentation device provided by the invention, the detachable pit mud modules are ingeniously constructed in the fermentation tank, so that after a fermentation cycle ends, redistribution of the pit mud can be flexibly carried out again as needed, which fundamentally solves the problem of inevitable huge difference between pit mud on a bottom layer and pit mud on a top layer in a conventional mud pit method. In the liquor fermentation device provided by the invention, the creative improvement of the pit mud in the fermentation tank breaks through the structural limitation of the conventional pit mud and provides an important foundation for improving the liquor brewing quality. The liquor fermentation device provided by the invention is especially suitable for various high-quality liquor brewing processes.
Owner:SICHUAN SWELLFUN
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