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Scrap steel preheating and continuous feeding system constructed based on waste heat recovering channel of electric-arc furnace and application method of system
ActiveCN105132619AIncrease contact areaGood heat transfer effectConveyorsProcess efficiency improvementSlagScrap
The invention discloses a scrap steel preheating and continuous feeding system constructed based on a waste heat recovering channel of an electric-arc furnace and an application method of the system. The waste heat recovering channel of the electric-arc furnace is formed by connecting a flow guide tube, a transition tube, a heat exchange and material storing box and a preheating channel, wherein hot gas sequentially flows through the flow guide tube, the transition tube, the heat exchange and material storing tube and the preheating channel; a scrap steel storing box, a heat-resistant chain scraper conveyor and a hydraulically-controlled feeding trolley are mounted on a foundation of the waste heat recovering channel of the electric-arc furnace to form the scrap steel preheating and continuous feeding system; the scrap steel is conveyed from low to high through the chain scraper conveyor in the preheating channel and continuously fed into the heat exchange and material storing box to be stacked, and then the feeding trolley at the inner bottom part of the heat exchange and material storing box can continuously intermittently move to push the scrap steel by layers from the bottom into the electric-arc furnace to smelt; the scrap steel fed into the furnace is at the temperature exceeding 900 DEG C, and more than 120kW.H / T of electricity can be saved; the gas can be discharged from the preheating channel while being cooled to be 100-150 DEG C and then dedusted for later use, and thus the energy can be saved, and the consumption can be decreased; in addition, the continuous feeding system does not affect the automatic slag flowing and tapping works of the electric-arc furnace.
Owner:NANJING YOU RONG ENERGY SAVING TECH CO LTD
In-situ preparation method for magnetic wood-based material
InactiveCN109499573AWill not cause secondary pollutionKeep shapeMetal/metal-oxides/metal-hydroxide catalystsCarbonizationPollution
The invention discloses an in-situ preparation method for a magnetic wood-based material. In the method, natural wood is used as a raw material and mixed with ferric salt, the magnetic wood-based material is prepared by two steps of a hydrothermal step and a high-temperature carbonization step, and active functional groups, such as hydroxyl groups and phenylpropylhydroxyl groups, in cellulose, hemicellulose and lignin in the wood reduce the ferric salt in situ under hydrothermal and high-temperature carbonization temperature to produce the magnetic wood-based material doped with zero-valent iron, ferric oxide and iron carbide. The prepared material has very good magnetism and catalytic activity, can be used for the fields of wastewater treatment, air purification and the like. The materialhas the advantages of low preparation cost and easy operation, is environmentally friendly without pollution, can effectively lower the toxicity of various pollutants in environment treatment and iswide in application range.
Owner:SHANDONG AGRICULTURAL UNIVERSITY
Rosemary stem and leaf separating device with alternated deep cutting-off and shallow cutting-off
ActiveCN108994922AEasy to useEasy to separateGas current separationMetal working apparatusEngineeringCell separation
The invention relates to the technical field of rosemary stem and leaf separation, and discloses a rosemary stem and leaf separating device with alternated deep cutting-off and shallow cutting-off. The rosemary stem and leaf separating device comprises a machine body, a feeding plate is fixedly connected to the left side of the machine body, the included angle between the feeding plate and the horizontal direction is 45 degrees, an inlet which is positioned above the feeding plate is formed in the right side of the machine body, a servo motor is fixedly connected to the front side of the machine body, and an output end of the back of the servo motor is fixedly connected with a rotating shaft A through a flat key. According to the rosemary stem and leaf separating device, the problem that stems and leaves of the rosemary are connected together and cannot be separated so that a machine is easily blocked is solved, the rotating shaft A is enabled to rotate through the working of the servomotor, so that the rotating shaft A rotates to drive a rotating wheel A to work, an alternating rotation type separation mechanism is rotated, the rosemary on a transportation mechanism is separatedby the alternating rotation type separation mechanism, and meanwhile, through the alternated deep cutting-off and shallow cutting-off action, the stems and the leaves of the rosemary are easy to separate, the separation of the stems and the leaves can be facilitated so that the machine can be prevented from being easily blocked.
Owner:惠安县德虹数控设备有限公司
Optical transceiver and fiber-optic gyro
InactiveCN102474357AConvenient forSagnac effect gyrometersElectromagnetic transmissionFiberBeam splitter
The invention relates to an optical transceiver (10) comprising a substrate (18) having a temperature control device (8, 3), a light source (1), a light conducting fiber (11), a detector (4), a lens (5) for collimation of the light from the light source (1), a coupling lens (15) for focusing the light beam into the light conducting fiber (11) and a beam splitter (6) that deflects one part of the collimated light beam into a wavelength stabilization unit (27) and another part of the collimated light beam into the coupling lens (15). According to the invention, a wavelength stabilization unit (27) registers and compensates for a light wavelength drift in the light source (1). The optical transceiver (10) according to the invention has a super luminescent diode as a light source (1) and can be integrated in a fiber optic gyro (100), for example.
Owner:NORSROP GRUMAN LITEF GMBKH
Hydraulic pump station
InactiveCN103775439AConvenient forReduce weightFluid-pressure actuator componentsHydraulic pumpFuel tank
The invention provides a hydraulic pump station which comprises a pump unit and an oil tank. The pump unit comprises an oil pump and a motor. An inlet of the oil pump is connected with the oil tank. The oil pump adopts a six-plunger-inclined-disc-type axial plunger two-oil-channel pump, and three low-pressure plunger rods and three high-pressure plunger rods which are arranged alternatively compensate with each other to achieve automatic pressure change and automatic oil return. An outlet of the oil pump is divided into two branches behind a one-way valve, and a plurality of oil outlet ports are formed. The hydraulic pump station has the advantage that a two-way oil channel is adopted, and reversing is conducted through a reversing valve. When a two-way action oil cylinder is used for a jack with a spring return stroke, the other way of the reversing valve can be closed, and two or four jacks or hydraulic devices can be driven simultaneously.
Owner:TIANJIN ZELONG INSTR & NON FERROUS METAL CASTING CO LTD
Advertising lamp box capable of being automatically controlled to carry out projection based on human body detection
InactiveCN104464559AImprove advertising effectivenessAchieve dynamic advertising effectElectrical apparatusAdvertisingConvertersMotor drive
The invention discloses an advertising lamp box capable of being automatically controlled to carry out projection based on human body detection. The lamp box comprises a lamp box body and further comprises a projection mechanism, an infrared sensor, a converter, a control circuit, a light source driving circuit, a projection lamp, a motor driving circuit and a stepping motor. The infrared sensor is used for detecting a human body to form an induction signal, the converter is used for converting the induction signal into a digital signal, the control circuit is used for analyzing and obtaining the angle value of the position, where the human body is located, relative to the lamp box body, and generating a motor driving signal and a light source driving signal which drive the stepping motor to rotate; the light source driving circuit drives the light source of the projection lamp to carry out light beam projection; the motor drives the circuit to control rotation of the stepping motor; the stepping motor enables a shell of the projection lamp to rotate to the corresponding angle through a connecting part, and a projection light beam falls at the position of the human body. According to the advertising lamp box, the dynamic advertising mode and the static advertising mode are combined, and the lamp box has the strong visual impact.
Owner:苏州沃斯麦机电科技有限公司
Stable and balanced dump truck
PendingCN108312940ASimplify handling and shipping proceduresLow costVehicles with cranesVehicle fittings for liftingTipper truckNational standard
The invention relates to a stable and balanced dump truck. The stable and balanced dump truck comprises a cockpit, a container storage mechanism, a lifting mechanism and an auxiliary supporting mechanism. The cockpit is connected with the container storage mechanism. The lifting mechanism and the auxiliary mechanism are arranged on the two sides of the container storage mechanism correspondingly.The stable and balanced dump truck is scientific and reasonable in design and simple in structure, the cockpit, the container storage mechanism, the lifting mechanism and the auxiliary supporting mechanism are integrated into one, stability of loading and unloading containers of the dump truck is achieved by arranging the lifting mechanism and the auxiliary supporting mechanism, safety is effectively improved, and resources are saved; and the provided transporting vehicle lifting mechanism is simple, light and convenient, can be fixed together with a transporting vehicle, and can be conveniently used for various places, so that the loading and unloading transportation range of the containers is further expanded, meanwhile, the national standard is met, and the stable and balanced dump truck is suitable for massive application and promotion.
Owner:天津邬金机械设备股份有限公司
Zinc stearate and preparation method
InactiveCN104926640AConvenient forSafe forOrganic compound preparationCarboxylic acid salt preparationCalcium hydroxideTime range
The invention discloses a zinc stearate and a preparation method. The zinc stearate comprises, by weight, 8-10 parts of stearic acid, 1.2-2 parts of zinc oxide and 0.1-0.3 part of a catalyst, and is formed in a kneader by using a one-step method; the eighteen carbon content in the stearic acid is more than 42%, the zinc content, namely the degree of purity of zinc, of the calcium hydroxide is more than 96%, and hydrogen peroxide or ammonia water is selected to serve as the catalyst. The preparation method comprises the steps that a kneader which can be outsourced is selected and used, the components are added to the kneader according to proportion, temperature is controlled ranging from 110 DEG C to 120 DEG C, and the kneading time ranges from 1.6 h to 2.4 h. The calcium stearate and the preparation method have the advantages that the raw material sources are wide, the preparation process is simple, and the calcium stearate and the preparation method can be applied to the industries such as food, medicine and cosmetic conveniently and safely.
Owner:DEQING WEIKANG BIOTECH
Stem-leaf separating device and method for rosmarinus officinalis
ActiveCN110978098AEasy to useEasy to separateGas current separationMetal working apparatusRosmarinusEngineering
The invention relates to the technical field of stem-leaf separation of rosmarinus officinalis, and discloses a stem-leaf separating device and method for the rosmarinus officinalis. The separating device comprises a device body, wherein a feeding plate is fixedly connected with the left side of the device body, an included angle between the feeding plate and the horizontal direction is 45 degrees, an inlet located above the feeding plate is formed in the right side of the device body, a servo motor is fixedly connected with the front side of the device body, and a rotating shaft A is fixedlyconnected with the output end of the back surface of the servo motor through a flat key. The problems that stem and leaves of the rosmarinus officinalis are connected, cannot be separated and block the device easily are solved. By means of operation of the servo motor, a rotating shaft A is enabled to rotate, so as to drive a rotating wheel A to operate, therefore, an alternate rotary type separating mechanism rotates, the rosmarinus officinalis on a conveying mechanism is separated by the alternate rotary type separating mechanism, meanwhile, by means of two-time deep-shallow alternate cutting-off action, the stem and leaves of the rosmarinus officinalis are easy to separate, stem-leaf separation can be facilitated, and the device is not blocked easily.
Owner:江苏超悦农业发展有限公司
Energy storage compensation type muscle-imitation traction tissue
PendingCN107283412AEasy to useConvenient forProgramme-controlled manipulatorPhysical medicine and rehabilitationDevice form
Disclosed is an energy storage compensation type muscle-imitation traction tissue. The energy storage compensation type muscle-imitation traction tissue is a movement device, and according to the movement device, through a rotating power device formed by an existing encoder motor and torque directly acting on a target object by soft connecting, contracting like a muscle is generated. By using an existing rotating power device, rotating exercising can be converted into linear exercising of stimulating the muscles. According to the energy storage compensation type muscle-imitation traction tissue, a muscle contracting driving process is stimulated, the fact that the design of an existing robot is low in motor transmission force is overcome, and meanwhile, by using the lever principle, the design of muscle linear traction driving is achieved; the muscle design can be well applied to all kinds of the designs of simulation robots and simulation animals, and the energy storage compensation type muscle-imitation traction tissue can be conveniently used for designing and manufacturing the simulation robots.
Owner:赵德政
Process for producing aspartame derivative, crystals thereof, novel production intermediates therefor and process for producing intermediate
InactiveCN1378556AEase of manufacture and high efficiencyConvenient forOrganic compound preparationPreparation by hydrogenolysisAlkyl transferMegacerotonic acid
Starting from 3-(3-halogenated-4-methoxyphenyl)-3-methylbutanoic acid obtained by the reaction of 2-halogenated anisole and 3-methyl crotonic acid, the halogen atom is converted into a hydroxyl group, The obtained 3-(3-hydroxy-4-methoxyphenyl)-3-methylbutyric acid is reacted to change the hydroxyl group into a formyl group, thereby producing 3-(3-hydroxy-4-methoxy phenyl)-3-methylbutyraldehyde. This aldehyde derivative, through the reductive alkylation reaction with aspartame, can easily and efficiently produce useful high-intensity sweetener N-[N-[3-(3-hydroxyl -4-methoxyphenyl)-3-methylbutyl]-L-α-aspartyl]-L-phenylalanine 1-methyl ester, therefore, as a sweetener for the manufacture of Intermediates are extremely desirable.
Owner:AJINOMOTO CO INC
Preparation method and application of dendrobium tea
The invention relates to a preparation method and application of dendrobium tea. By the preparation method, the original green luster of the dendrobium tea can be maintained, smell is fragrant, and loss of original active components of dendrobium can be effectively reduced. In comparison with original traditional dendrobium products, the invention has the following advantages: the preparation method is simple to operate and is scientific and reasonable, and dissolution of dendrobium tea is high. By the method for preparation of the dendrobium tea, active components of dendrobium can be dissolved out without long time of decoction, and use and adsorption are convenient. The prepared and processed dendrobium tea has a wide range of application, is convenient to eat and is simple to prepare. The invention can provide a new method for development of a series of dendrobium products.
Owner:INST OF RADIATION MEDICINE ACAD OF MILITARY MEDICAL SCI OF THE PLA +2
Bend secondary flow net type or film type liquid purifier
InactiveCN105771372AAvoid cloggingAvoid the disadvantages of frequent replacementSemi-permeable membranesMembranesPulp and paper industrySolid particle
The invention provides a bend secondary flow net type or film type liquid purifier and relates to a purifier to solve the problems that existing liquid purifying equipment is likely to be blocked, a filter screen needs to be replaced frequently, and solid particles cannot be separated.The bend secondary flow net type or film type liquid purifier comprises inlet water pumps, a liquid purifying chamber, a static liquid discharging pump, a static liquid discharging pipe, a waste discharging pipe and a plurality of secondary flow net type or film type filter pipes.The inlet water pumps, the static liquid discharging pump and the waste discharging pipe are arranged on the outer side wall of the liquid purifying chamber.One end of the static liquid discharging pipe stretches to the bottom in the liquid purifying chamber, and the static liquid discharging pump is installed at the other end of the static liquid discharging pipe.The secondary flow net type or film type filter pipes are distributed in the liquid purifying chamber, each secondary flow net type or film type filter pipe is a corrugated bend, one end of each secondary flow net type or film type filter pipe is communicated with an outlet of the corresponding inlet water pump, and the other ends of all the secondary flow net type or film type filter pipes are communicated with the waste discharging pipe.The bend secondary flow net type or film type liquid purifier is used for purifying liquid.
Owner:HARBIN INST OF TECH
Measurement of steel slag age
InactiveCN100365412CConvenient forSafe forMaterial resistanceChemical methods analysisSlagTest sample
A method for determining age of slag analyzes out content of free calcium oxide in tested sample by utilizing fast determining method and obtains age of slag by checking relation chart of free calcium oxide in slag to storing period of slag in saturated steam at temperature of greater than 100 degree according to free calcium oxide content analyzed out from tested sample.
Owner:武钢集团有限公司
Separation device for rosemary stems and leaves which are alternately cut twice deep and shallow
ActiveCN108994922BEasy to useEasy to separateGas current separationMetal working apparatusControl theoryMechanical engineering
Owner:HUIAN COUNTY DEHONG CNC EQUIP CO LTD
Automobile product plate machining system
InactiveCN106625149AEasy to load and deliverEasy to control sanding depthGrinding machinesGrinding feedersSupporting systemAutomotive product
The invention relates to an automobile product plate machining system which comprises a lower supporting mechanism, wherein support systems are mounted on the left and right sides of the lower part of the lower supporting mechanism; a lower power system is mounted at the lower part of the support system; bearing devices are arranged on the left sides of the support systems; a plurality of transmission rotary mechanism supporting columns are mounted at the upper parts of the bearing devices; a right bearing mechanism is arranged on the right side of the lower supporting mechanism; an upper supporting mechanism is arranged at the upper part of the left side of the right bearing mechanism; a left bearing mechanism is arranged on the left side of the upper supporting mechanism; a sliding mechanism is mounted on the right side of the upper supporting mechanism; a sliding block is mounted on the left side of the sliding mechanism; a transitional connection device is arranged at the upper part of the sliding block; an upper power system is mounted at the upper part of the left side of the sliding block; a driving flywheel is mounted on the left side of the upper power system; a rotary system is mounted at the lower part of the left side of the sliding block; and a plurality of grinding mechanisms are mounted on the rotary system. The automobile product plate machining system can effectively carry out grinding machining on an automobile product plate, facilitates material feeding and conveying, and is high in use efficiency.
Owner:重庆鑫玛特机械制造有限公司
Breeding material allocation system
InactiveCN108812342AEasy to configureImplement configurationAnimal feeding devicesAnimal housingEngineeringCharge pumping
The invention relates to a breeding material allocation system, which comprises a mixing container, the left side and right side of the upper part of the mixing container are respectively connected with a left support column and a right support column, a left animal breeding cage and a right animal breeding cage are respectively mounted at the upper part of the left support column and the right support column, a left discharging container and a right discharging container are respectively mounted at the upper part of the left animal breeding cage and the right animal breeding cage, a left thermolator and a right thermolator are respectively mounted at the upper part of the left discharging container and the right discharging container; the left side and right side of the upper part of themixing container are connected with liquid inlet pipes, a support container is mounted at the middle of the upper part of the mixing container; a charging pump is mounted at the upper part of the support container, a charging pipe is mounted at the lower part of the charging pump. The breeding material allocation system, which is disclosed by the invention, can effectively realize the material allocation of animal breeding, improve the material allocation effect, facilitate the better use of animal breeding, is easy to use and has a good effect.
Owner:成都远大牧业发展有限公司
Ribbed plate type heat exchanger with medium equipartition device
ActiveCN100387927CHigh strengthEvenly distributedLaminated elementsStationary plate conduit assembliesEngineeringDistributor
The invention relates to a rib heat exchanger, with lower cost. Wherein, it has a medium distributor, while it can be used in the heat exchange plate with small angle aperture; the first nearby edge of first angle aperture of first heat exchange plate via the first edge incline extends downwards to the second nearby edge; the second nearby edge extends rightwards to the central line, and via the incline transition section extends upwards to the be layered with the second angle aperture nearby edge; the first nearby edge of second angle aperture of second heat exchange plate via the first edge incline surface extends upwards to the second nearby edge; the second nearby edge extends left wards to the central line, and via the incline transition section extends downwards to be layered with the first angle aperture nearby edge; the first edge incline surfaces of said two heat exchange plates both have small holes, while they are alternatively layered.
Owner:无锡宏盛换热系统有限公司
Preheating Scrap Steel Continuous Feeding System Based on Electric Arc Furnace Waste Heat Recovery Channel and Its Application Method
ActiveCN105132619BIncrease contact areaImprove heat transfer effectConveyorsProcess efficiency improvementElectricityElectric arc furnace
Owner:NANJING YOU RONG ENERGY SAVING TECH CO LTD
Electromagnetic shielding device for mobile phone antenna made of negative magnetic permeability material
InactiveCN101162797BThe preparation method is matureMature technologyMagnetic/electric field screeningAntenna couplingsUltrasound attenuationElectromagnetic shielding
Owner:NORTHWESTERN POLYTECHNICAL UNIV
A data recovery method for a cable-free storage seismograph
ActiveCN107979647BImprove data recovery efficiencySimple topologyTransmissionFile transmissionData file
The invention discloses a method for achieving the data recycling of a no-cable storage-type seismograph, and the method comprises the steps: building a no-cable storage-type seismograph data recycling topological system based on a switcher, taking the no-cable storage-type seismograph connected to a port of the switcher as a collection station mode, enabling a main unit to create a recycling datafile table, transmitting the data file table to all collection station nodes through the switcher, enabling all collection station nodes to analyze the recycling data file table, and then carrying out the parallel retrieval of data files meeting the requirements, and finally enabling the collection station nodes to upload the data files in a parallel manner. In addition, the method employs the multi-thread technology and a breakpoint resume technology for improving the basic function of the data file transmission, thereby improving the recycling efficiency of the data files, and providing more convenient and efficient data recycling services.
Owner:HEFEI GUOWEI ELECTRONICS
A method for functional finishing of silk fabrics
The invention relates to a functional finishing method for real silk fabrics. The method comprises the following steps: A) sequentially adding arginine, alanine, citric acid powder and water into a container in parts by weight while uniformly stirring so as to obtain a solution A); B) preparing an ethylene glycol diglycidyl diethyl ether solution B); C) wrapping rhizoma coptidis, eucalyptus robusta and rhubarb by using a gauze, carrying out heat-preserved soaking, and filtering so as to obtain a solution C); D) putting a real silk fabric required to be subjected to functional finishing into the solution A) firstly, soaking and stirring the real silk fabric, taking out and then spin-drying the real silk fabric, putting the real silk fabric into the solution B) in a same proportion, soaking the real silk fabric, taking out and then spin-drying the real silk fabric, putting the real silk fabric into the solution C) in a same proportion, soaking the real silk fabric, taking out the real silk fabric, and then spin-drying, drying and finalizing the real silk fabric, so that the functional finishing on the real silk fabric is completed. The method disclosed by the invention has the advantages that 1) a preparation method is simple; 2) eucalyptus robusta, rhizoma coptidis, rhubarb and the like inhibit bacteria through different mechanisms; 3) the method can be conveniently used for medicinal supplementary materials.
Owner:海安锦福元科技有限公司
Method for measuring normal rigidity of large contact interface by completely considering plastic influence
InactiveCN102169065BThe measurement results are close to the actualMeasuring Normal StiffnessStrength propertiesEngineeringContact system
The present invention discloses a method for measuring normal rigidity of a large contact interface by completely considering plastic influence. The method comprises the steps of adopting a contact system of two rough bodies as a measuring object and the complete equivalence of the system as a principle, using laser to mark three straight lines which fulfill the measuring requirement on the two rough bodies, and obtaining the normal rigidity of the contact interface by observing normal displacements of the three straight lines during a loading procedure. The method considers the influence of the contact interface shape degree on the normal contact rigidity on the basis of a prior method, and uses a simple and easy laser mark method to measure the normal rigidity of the large contact interface without being influenced by contact areas. Moreover, the method, which breaks using limits of the prior method, can be used not only in laboratories, but also in practical engineering conveniently.
Owner:XI AN JIAOTONG UNIV
A kind of dual-membrane resonant speaker with two ends
ActiveCN105635892BIncrease the areaEnhanced bass playbackFrequency/directions obtaining arrangementsResonanceEngineering
The invention relates to sound boxes of sound equipment, and specifically relates to a two-end-type double-diaphragm resonance sound box. Two loudspeaker groups are respectively and symmetrically installed on end surfaces of left and right two ends of a box body. Two bass radiators are respectively installed on box walls of the box body between the two loudspeaker groups, and the two bass radiators are opposite to each other. The part, provided with any one bass radiator, of the box wall is concave towards the inner part of the box body so as to form an inner box wall, or the parts, provided with the two bass radiators, of the box wall are respectively concave towards the inner part of the box body so as to form inner box walls, and the parts between the inner box walls and the non-concave box walls are inner side box walls. Medium-high frequency sound waves of the loudspeakers are directly radiated to space from two ends of the box body, low frequency sound air flows drive the two passive bass radiators to vibrate symmetrically, the bass diaphragm area in increased by times, low frequency resonance is generated, and the resonance enables the amplitude of low frequency sound waves to zoom, so that a satisfactory bass effect can be obtained by small loudspeakers or the small sound box, and the size of the whole sound box is substantially reduced.
Owner:SHEN ZHEN NEUSOUND
Key card detection device and door lock system employing the same
The key card detecting device includes several pairs of bolt assembly and cipher disc. Each bolt assembly has several bolt pins to respond to the insertion of the key card to reciprocate, and each bolt pin has matched part set in special position. Each cipher disc has several second cipher parts arranged in specific assembling mode, and may be rotated independently for selecting cipher combinations in different positions. When the first cipher part in the inserted key card coincides completely with the second cipher part of the cipher disc in the selected position, all the bolt pin matching parts will align to the second cipher part in the cipher disc and the key card detecting device can move integrally from the first position to the second position. Or else, the key card detecting device will be limited in motion. The present invention also relates to one door lock system with the key card detecting device, and has the advantages of easy altering of cipher, simple structure, convenient use, etc.
Owner:陈达伟
A plastic laminating machine based on automatic film pushing mechanism
ActiveCN104401099BEasy to drop inReduce dependenceLaminationLamination apparatusElectric machineEngineering
The invention discloses a laminating machine based on an automatic pressed film pushing mechanism. The laminating machine comprises a housing (1) and a control circuit (2), wherein a bearing plate (6) is fixed on the plane of an inlet of the housing (1) through a rotating shaft (5); a sunken part (7) is arranged at the bottom of the housing (1); the machine further comprises a Hall sensor (3) and a second rotating motor (4); the Hall sensor (3) is sequentially connected with the control circuit (2) and the second rotating motor; the output shaft of the rotating motor (4) is connected with the rotating shaft (5); the Hall sensor (3) detects a forward and reverse rotation signal input to a first rotating motor by the control circuit (2); the control circuit (2) obtains and then outputs a signal for driving the output shaft of the second rotating motor (4) to rotate according to the forward and reverse rotation signal, so that the rotating shaft (5) rotates to enable the bearing plate (6) to move upwards or downwards. According to the laminating machine, the rotating shaft rotates to drive the bearing plate to move upwards or downwards, so that a pressed film on the bearing plate can be automatically pushed to be fed into the machine and stored, the automation is realized.
Owner:济宁高新科达科技项目服务有限公司
A class of lipid droplet specific fluorescent probe and its synthesis method
ActiveCN113582940BEffective regulationWide wavelength rangeOrganic chemistryFluorescence/phosphorescenceFluoProbesPtru catalyst
The invention discloses a lipid droplet-specific fluorescent probe and a synthesis method thereof, and relates to the technical field of biomedicine. The synthetic method comprises the following steps: 4-chloro-7-nitrobenzo-2-oxa-1,3-oxadiazole (NBD-Cl) and phenylboronic acid and derivative compounds thereof are protected by an inert gas and under the action of a catalyst and a base , react in a solvent at 50-140°C for 1-72 hours, cool to room temperature, then add dichloromethane, filter, remove the solvent under reduced pressure, and separate and purify the product, wherein the phenylboronic acid compound consists of a benzene ring, R radicals and borate radicals , and the R radical and the borate radical are in the para-position of the benzene ring, and the R radical is four kinds of hydrogen atom, methyl group, methoxyl group or dimethylamino group. This kind of fluorescent probe provided by the present invention can adjust the structure of the fluorescent probe to realize the efficient control of the emitted light of the probe in the oil from blue light, green light to red light, and broaden the wavelength range of the emitted light to meet the needs of intracellular lipids. Broad application of droplet-specific fluorescence imaging.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV
Aluminum stearate and preparation method thereof
InactiveCN105037135AConvenient forSafe forOrganic compound preparationCarboxylic acid salt preparationALUMINUM STEARATESStearic acid
The invention relates to an aluminum stearate and a preparation method thereof. The aluminum stearate is composed of the following components in parts by weight: 8-12 parts of stearic acid, 8-12 parts of aluminum trichloride and 0.2-0.4 part of catalyst. The aluminum stearate is prepared by a one-step preparation process in a kneader. The C18 content in the stearic acid is 40% or above, and the aluminum content (aluminum purity) in the aluminum trichloride is up to 95% or above. The catalyst adopts oxydol or ammonia water. The preparation method comprises the following steps: adopting a purchasable kneader, proportionally adding all the components into the kneader, and kneading for 1.6-2.4 hours while controlling the temperature at 80-100 DEG C. The aluminum stearate has the characteristics of wide raw material sources, simple preparation technique and the like, and can be conveniently and safely used in medical industry.
Owner:DEQING WEIKANG BIOTECH
Measurement of steel slag age
A method for determining age of slag analyzes out content of free calcium oxide in tested sample by utilizing fast determining method and obtains age of slag by checking relation chart of free calcium oxide in slag to storing period of slag in saturated steam at temperature of greater than 100 degree according to free calcium oxide content analyzed out from tested sample.
Owner:WUHAN IRON & STEEL (GROUP) CORP
An elbow secondary flow net type or membrane type liquid purifier
InactiveCN105771372BAvoid cloggingAvoid the disadvantages of frequent replacementMembranesSemi-permeable membranesSolid particleParticulate material
The invention provides a bend secondary flow net type or film type liquid purifier and relates to a purifier to solve the problems that existing liquid purifying equipment is likely to be blocked, a filter screen needs to be replaced frequently, and solid particles cannot be separated.The bend secondary flow net type or film type liquid purifier comprises inlet water pumps, a liquid purifying chamber, a static liquid discharging pump, a static liquid discharging pipe, a waste discharging pipe and a plurality of secondary flow net type or film type filter pipes.The inlet water pumps, the static liquid discharging pump and the waste discharging pipe are arranged on the outer side wall of the liquid purifying chamber.One end of the static liquid discharging pipe stretches to the bottom in the liquid purifying chamber, and the static liquid discharging pump is installed at the other end of the static liquid discharging pipe.The secondary flow net type or film type filter pipes are distributed in the liquid purifying chamber, each secondary flow net type or film type filter pipe is a corrugated bend, one end of each secondary flow net type or film type filter pipe is communicated with an outlet of the corresponding inlet water pump, and the other ends of all the secondary flow net type or film type filter pipes are communicated with the waste discharging pipe.The bend secondary flow net type or film type liquid purifier is used for purifying liquid.
Owner:HARBIN INST OF TECH
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