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67results about How to "Effective utilization" patented technology

Low-temperature jet flow plasma and monatomic catalysis coupled nitrogen fixation device and low-temperature jet flow plasma and monatomic catalysis coupled nitrogen fixation method

The invention discloses a low-temperature jet flow plasma and monatomic catalysis coupled nitrogen fixation device and a low-temperature jet flow plasma and monatomic catalysis coupled nitrogen fixation method. The nitrogen fixation device comprises an electrochemical workstation, a plasma power supply, an H-type electrolytic tank and a jet flow plasma reactor. The method comprises: preparing a transition metal monatomic catalyst, and then preparing a working electrode of an H-type electrolytic tank; directly introducing air, nitrogen or mixed gas of oxygen and nitrogen into a jet flow plasmareactor, turning on a plasma power supply to realize stable discharge of jet flow plasma, and turning off the plasma power supply after the jet flow plasma reactor discharges for 10 minutes; respectively transferring the discharged reaction solutions into the H-type electrolytic tank, starting an electrochemical workstation, carrying out an electrochemical catalysis process for 30 minutes, and collecting the NH4<+>-containing solution after the reaction in the H-type electrolytic tank. According to the invention, the method and the device are high in efficiency and environmentally friendly, plasma discharge and electrochemical catalytic reaction are combined, and the monatomic catalyst is beneficial to improving the yield and the reaction rate of synthetic ammonia.
Owner:ZHEJIANG UNIV

Reduction box used for battery fork lift truck

The invention discloses a reduction box used for a battery fork lift truck, which comprises a box body. An input gear is arranged in the box body; the input gear is connected with a duplicate gear; the duplicate gear is connected with a driving gear on an intermediate gear shaft; the driving gear is arranged on the intermediate gear shaft; the intermediate gear shaft is also provided with a driven gear; the driven gear is connected with an external differential assembly; the box body presents an L shape; and the intermediate gear shaft and the input gear are respectively arranged at both sides of the L-shaped box body. The box body of the reduction box is set up into an L shape, and the input of the electromotor and the output of the differential are arranged in parallel along the L side so that the intermediate gear shaft connected with the differential and a transmission gear connected with an electromotor are staggered and arranged, i.e. the installation that the electromotor and the transmission gear are linearly arranged originally can be changed into the installation that the electromotor is arranged in a space made after the intermediate gear shaft and the transmission gear are staggered, thereby shortening the length of the reduction box and enabling the use ratio of the space to be more effective and the installation to be more convenient.
Owner:ZHEJIANG JINDAO TECH CO LTD

Piglet anti-diarrhea compound Chinese herbal medicine feed and preparing method thereof

The invention discloses a piglet anti-diarrhea compound Chinese herbal medicine feed and a preparing method thereof. The piglet anti-diarrhea compound Chinese herbal medicine feed is prepared from corn flour, wheat bran, soybean meal, flour, longan husks, pine needles, folium cortex eucommiae, an additive, licorice roots, herba centellae, rhizoma curcumae longae, semen cassiae, portulacae herba, hawthorn leaves, dried tangerine or orange peel, polyporus umbellatus, clover blossoms, fructus mume, cutch, Echinacea extract, calcium powder, calcium hydrophosphate and vitamin complexes. The additive is prepared from sophora japonica leaves, fructus arctii, rhizoma polygonatum, cortex pseudolaricis and albizia flower by weight. By adding medicinal herb preparations, the compatibility is scientific, nutrition is comprehensive, intestinal flora are effectively regulated, growth of pathogenic microorganisms is effectively inhibited, normal intestinal microflora can be easily maintained, the immunity of piglets is enhanced, the quality and stability of the feed are improved, the digestion, absorption and utilization rate of nutrition is increased, the healthy growth of piglets is promoted, and the phenomena such as diarrhea and growth cessation can be effectively controlled.
Owner:徐杰

Virtual power plant optimal scheduling method considering electricity-to-gas coordination

The invention relates to the technical field of virtual power plant optimization, in particular to a virtual power plant optimization scheduling method considering electricity-to-gas coordination, which comprises the following steps: introducing a carbon capture power plant electricity-to-gas gas unit coordinated operation framework into a virtual power plant, and constructing a virtual power plant system; performing combined scheduling operation of a carbon capture power plant, a waste incineration power plant and wind and light in a virtual power plant, optimizing a virtual power plant system by taking the carbon capture power plant and the waste incineration power plant as controllable units, and establishing a virtual power plant optimal scheduling model; and solving the virtual powerplant optimal scheduling model by adopting a reverse cotangent composite differential evolution algorithm. CO2 captured by carbon can be used as an electricity-to-gas raw material, and generated natural gas is supplied to a gas unit; and the carbon capture energy consumption and the flue gas treatment energy consumption are subjected to load transfer through combined scheduling so as to stabilizerenewable energy fluctuation, so that the wind power photovoltaic is indirectly schedulable and is flexibly utilized, and internal resources are more effectively utilized.
Owner:EAST CHINA JIAOTONG UNIVERSITY

High-low-voltage conversion star multi-phase variable-frequency drive system

The present invention provides a high-low-voltage conversion star multi-phase variable-frequency drive system and relates to a high-voltage high-power motor and drive control thereof. The variable-frequency drive technical solution which is commonly used at present mainly has the disadvantages that a frequency converter is added to a common motor, the insulation life of the motor is short and the heat dissipating ability of the motor is poor. The system comprises a phase-shifting transformer, rectifying circuits, inverter circuits, a multi-phase motor, and a control circuit connected with the phase-shifting transformer, the rectifying circuits, the inverter circuits and the multi-phase motor, wherein primary windings of the phase-shifting transformer are connected with an alternating-current power source, and secondary windings of the phase-shifting transformer are connected with the rectifying circuits; and is characterized in that the number of the secondary windings is the same as the number of the rectifying circuits, one secondary winding is connected with one rectifying circuit, all rectifying circuits are in common-ground connection to form a common-ground direct-current power source, and output ends of the rectifying circuits are connected with the inverter circuits. By adopting the technical solution, high voltage and large currents are realized, simultaneously the structure is simple, the insulation requirement is lowered, the heat dissipating ability of the motor is improved and the power density is increased.
Owner:WOLONG ELECTRIC GRP CO LTD

Mobile remote control elevated fire extinguishing equipment

The invention discloses mobile remote control elevated fire extinguishing equipment. A fire fighting truck provided with crawler travelling wheels is used as a carrier, an engine power driving unit and a hydraulic oil pump set driven by an engine are arranged in the fire fighting truck, the hydraulic oil pump set drives a combined arm support with the length of 25 meters, and a remote control fire monitor is arranged on the combined arm support; a water hose take-up and release reel is arranged in the fire fighting truck, one end of a water hose is communicated with the fire monitor and used for supplying a fire extinguishing agent, and the other end of the water hose is connected with other external fire fighting trucks; and a central control unit is arranged in the fire fighting truck and used for controlling the travelling wheels, lifting of the combined arm support and opening/closing of the fire monitor, and the central control unit is provided with a wireless receiving module which communicates with an external remote controller. The equipment directly solves the problem that professional equipment for fighting sudden fires of large-sized petrochemical devices lacks, and can climb over a fireproof cofferdam to enter a tank area through remote control and realize close-in fighting.
Owner:MINGGUANG HAOMIAO SECURITY PROTECTION TECH

High-low-voltage conversion star multi-phase variable-frequency drive system

The present invention provides a high-low-voltage conversion star multi-phase variable-frequency drive system and relates to a high-voltage high-power motor and drive control thereof. The variable-frequency drive technical solution which is commonly used at present mainly has the disadvantages that a frequency converter is added to a common motor, the insulation life of the motor is short and the heat dissipating ability of the motor is poor. The system comprises a phase-shifting transformer, rectifying circuits, inverter circuits, a multi-phase motor, and a control circuit connected with the phase-shifting transformer, the rectifying circuits, the inverter circuits and the multi-phase motor, wherein primary windings of the phase-shifting transformer are connected with an alternating-current power source, and secondary windings of the phase-shifting transformer are connected with the rectifying circuits; and is characterized in that the number of the secondary windings is the same as the number of the rectifying circuits, one secondary winding is connected with one rectifying circuit, all rectifying circuits are in common-ground connection to form a common-ground direct-current power source, and output ends of the rectifying circuits are connected with the inverter circuits. By adopting the technical solution, high voltage and large currents are realized, simultaneously the structure is simple, the insulation requirement is lowered, the heat dissipating ability of the motor is improved and the power density is increased.
Owner:WOLONG ELECTRIC GRP CO LTD

CNN classification model and generative adversarial network-based motor imagery classification method and system

The invention discloses a CNN classification model and generative adversarial network-based motor imagery classification method and system, and the method comprises the steps: data preprocessing: eliminating part of noise of collected MI original data through ICA, eliminating unimportant or interfering signals through a band-pass filter, and carrying out the feature extraction through wavelet transform and fast Fourier transform; data expansion: generating high-quality MI data based on a long short-term memory network and a generative adversarial network; and data classification: through a multi-output convolutional neural network, improving the classification performance, and obtaining a classification result. The long short-term memory-based network and generative adversarial network comprises a generator and a discriminator, the generator comprises a first fully connected layer, a plurality of convolutional layers and a plurality of attention networks, and the discriminator comprises a plurality of convolutional LSTMs and a second fully connected layer. According to the method, the LSTM and the GAN are used for constructing the LGAN, space-time dimension modeling of the MI data is completed, high-quality new data are generated through the generator, and the influence of insufficient data on a classification result is reduced.
Owner:四川省博瑞恩科技有限公司

Remote-control elevating stereoscopic fire-extinguishing device

ActiveCN102698394AProtection against high temperature radiation explosionReduce the temperatureFire rescueRemote controlEngineering
The invention discloses a remote-control elevating stereoscopic fire-extinguishing device. By taking a fire truck as a carrier, a combined elevating cantilever crane and a landing leg mechanism are arranged, wherein the top end, the middle part and the bottom part of the cantilever crane are respectively provided with a first fire monitor, a second fire monitor and a third fire monitor; the cantilever crane is provided with a delivery pipe used for delivering fire-extinguishing chemicals to the three fire monitors; lift power is provided for the cantilever crane by a hydraulic system on the fire truck; and the first fire monitor, the second fire monitor and the third monitor are remotely controlled by a remote-control device on the fire truck. According to the novel, remote-control elevating stereoscopic fire-extinguishing device disclosed by the invention, remote-control and close-range stereoscopic fire fighting can be realized, and at the early period of a fire, the fire behavior can be effectively controlled, the fire-extinguishing efficiency can be increased, the fire-extinguishing chemical loss can be reduced, and the safety of fire personnel can be effectively ensured. The novel remote-control elevating stereoscopic fire-extinguishing device can be used for specially putting out large fires caused by oil tank accidents, light dydrocarbon tank accidents, well blowout and chemical unit accidents.
Owner:MINGGUANG HAOMIAO SECURITY PROTECTION TECH

Novel power tool holder for machine tool machining

The invention discloses a novel power tool holder for machine tool machining. The novel power tool holder comprises a tool holder main body, a clamping mechanism, a cutting tool bearing seat, an angle adjuster and a locking screw, wherein the tool holder main body consists of a nut, a connecting rod and a tool holder head, and the nut and the tool holder head are fixed at the two ends of the connecting rod; the clamping mechanism consists of a clamping sleeve and a clamping handle, and the clamping sleeve is movably arranged on the connecting rod through a fastening screw in a sleeving mode; a trapezoidal groove is formed in one side of the tool holder head, one end of the cutting tool bearing seat is inserted in the trapezoidal groove, a cutter body and a cutter body pressing plate are fixedly mounted above the cutting tool bearing seat in sequence, the angle adjuster is arranged below the cutting tool bearing seat, the angle adjuster is used for adjusting and controlling the cutting tool bearing seat to perform a rotary motion along the axis of the cutting tool bearing seat so as to change the cutting angle of the cutter body. The novel power tool holder is simple in structure and reasonable in design; under the precondition that a cutting tool is not changed or the position of the tool holder is not readjusted, the cutting position, cutting depth and cutting angle of the cutter body can be quickly and conveniently adjusted, and the work efficiency and the utilization rate of the cutting tool are effectively improved.
Owner:统弘自动化科技(苏州)有限公司

Static high-pressure experiment data acquisition system and method based on LabVIEW

The invention discloses a static high-pressure experiment data acquisition system and method based on LabVIEW, which is mainly used for measurement of the sound velocity and the conductivity of an experimental material in a high-temperature and high-pressure experiment, and real-time temperature and pressure data acquisition. The whole system integrates the sound velocity measurement and the conductivity measurement; a computer is adopted to integrate a cubic press, an ultrasonic transceiver, a digital oscilloscope, a numerical control current source and the like in the same software for control; experimental conditions input by scientific researchers are automatically recognized; automatic control of the whole experiment is completed; parameters of data of real-time temperature, pressure,conductivity or the like of the static high-pressure experiment are synchronously acquired; and analysis, display and real-time storage are completed. Besides, the functions of time-triggered synchronous acquisition, preset temperature point-triggered acquisition, preset pressure point-triggered acquisition and the like can be achieved. The system has the advantages of being high in synchronization precision, high in speed, simple to adjust, low in control difficulty and diversified in interface function, and can achieve preset acquisition work of various experimental conditions.
Owner:INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS

Health-care medicament for hyperlipemia and preparation method thereof

The invention relates to a health-care medicament for hyperlipemia and a preparation method thereof. The hyperlipemia is a common and frequently-occurring metabolic disease. The conventional medicaments for treating the hyperlipemia are mostly single medicinal components; and the medicinal components have wide varieties, and have side effect after taken for long. The invention provides the health-care medicament for the hyperlipemia and the preparation method thereof. The medicament consists of the following raw materials in part by weight: 280 to 320 parts of hawthorn fruit, 280 to 320 parts of tuber fleeceflower root, 180 to 220 parts of oriental waterplantain rhizome, 80 to 120 parts of earthworm and 80 to 120 parts of lotus leaf. The preparation method comprises the following steps of: preparing extracts, adding starch, granulating the mixture by a wet method and preparing the mixture into capsules. The prescription of the medicament is rational and scientific; the medicament is prepared by refining by a scientific method; and the compositional plants and animals of the medicament are mostly the components functioning as both food and the medicament, so the medicament does not have any toxic or side effect on human bodies, has remarkable effect and is easy to use for long.
Owner:陕西君德康药业有限公司
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