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A high-performance composite roll laser injection forming manufacturing and repair method and equipment
InactiveCN102259187AEvenly distributedIncrease the area of actionIncreasing energy efficiencyRollsLaser lightRisk stroke
The invention provides a method and equipment for manufacturing and repairing a high-performance composite roll by laser spray forming, which uses laser spray forming to manufacture the transition layer and the working layer of the roll. It is characterized in that the specific method steps are as follows: A) removing the surface of the core of the roll B) Put the powder of the working layer material and the powder of the roller core into the powder feeding system respectively, and start the laser jet synchronous powder feeding through the surface of the roller whose stroke is controlled by the mechanical arm Direct metal Manufacture the intermediate transition layer of the roll; C) After one layer is deposited, the interlaced deposition is realized by changing the direction of the square spot and the movement direction of the mechanical arm; D) After the transition layer is formed, the spray forming on the surface of the transition layer is completely formed by the added The functional material constitutes the working layer. The invention uses a high-power short-wavelength laser as a processing light source and shapes the light spot of the laser into a rectangle, thereby effectively improving the quality of spray forming and increasing the processing speed.
Owner:周明
Novel process for extracting alginate-derived oligosaccharide from sea tangles by enzyme hydrolysis method
By aiming at the problems in the existing alginate-derived oligosaccharide extraction, the invention provides a production process for extracting alginate-derived oligosaccharide from sea tangles. A novel process for extracting alginate-derived oligosaccharide from sea tangles by an enzyme hydrolysis method comprises the nine steps of sea tangle powder preparation, soaking, cellulose enzymolysis, digestion, centrifugal filtration, bleaching, sodium alginate lyase enzymolysis, high-speed centrifugal fine filtration and alcohol dehydration. Compared with the existing alginate-derived oligosaccharide extraction process with the yield being 14-15 percent, the novel process has the advantages that the yield is 17-18 percent and is improved by 3 to 4 percent, meanwhile, the process steps are simplified, the use of chemical reagents is reduced, and the product appearance is more attractive.
Owner:青岛聚大洋藻业集团有限公司
Preparation method of soluble rice protein
The invention relates to a preparation method of a soluble rice protein, comprising the following steps: mixing size, smashing, removing amide, chelating, neutralizing, desalting, carrying out spray drying and the like. The invention also relates to a soluble rice protein obtained with the preparation method, the dissolubility of the soluble rice protein is more than or equal to 70%, the emulsion stability index is more than or equal to 1.2, and the foamability is more than or equal to 60.
Owner:WUXI JINNONG BIOTECH CO LTD
Porous crosslinked polystyrene microsphere and preparation method thereof
ActiveCN104861102AGood for swelling and absorptionSimple process equipmentPolymer scienceMicrosphere
The invention relates to a porous crosslinked polystyrene microsphere which has a surface micropore and internal macropore structure. Particularly, the mean pore size of surface micropores is 18.64-22.82nm, and the mean pore size of internal macropores is 0.75-1.64 micrometers. When the porous crosslinked polystyrene microsphere with the structure serves as chromatographic column filling, the column pressure can be effectively reduced; the internal macropore structure further increases action area between a detected substance and the microsphere; the retention time is prolonged; and substance separation can be better achieved.
Owner:QINGDAO UNIV
Ultrasound micro-needle composite transdermal drug delivery device
InactiveCN104117138AAdjust the applicable lengthIncrease contact areaMicroneedlesMedical devicesPeristaltic pumpDrug Storage
The invention relates to an ultrasound micro-needle composite transdermal drug delivery device which comprises an ultrasound transdermal drug delivery system and a porous micro-needle transdermal drug delivery system. The ultrasound transdermal drug delivery system comprises an ultrasonator, a control mechanism and an ultrasonic wave transmission dielectric layer arranged on the outer side of an end plate of a shell; the porous micro-needle transdermal drug delivery system comprises a drug storage pool, a liquid inlet pipe, a miniature peristaltic pump, a liquid outlet pipe, a drug inlet pool and poly-p-xylylene thin film, a plurality of micro needles are arranged on the poly-p-xylylene thin film, one end of each micro needle is communicated with the drug inlet pool, and the other end of each micro needle is used for being in contact with the skin for drug delivery. The ultrasound micro-needle composite transdermal drug delivery device solves the technical problems that irritabilities of patients are prone to being caused by an existing transdermal drug delivery device, the existing transdermal drug delivery device is low in drug delivery speed and poor in drug delivery effect, and the lengths of the micro needles cannot be adjusted when the existing transdermal drug delivery device acts on different parts of the human body so that the existing transdermal drug delivery device is limited in application range; the ultrasound micro-needle composite transdermal drug delivery device is high in drug delivery speed, good in drug delivery effect and suitable for application and popularization.
Owner:HENAN UNIV OF SCI & TECH
U-shaped steel and anchor cable collaborated support structure for laneway with large-deformation deep part
InactiveCN103953360ASimple structureLow costUnderground chambersTunnel liningStructural engineeringUltimate tensile strength
Owner:HUNAN UNIV OF SCI & TECH
Fresh kiwi fruit slices and preparation method thereof
InactiveCN105962190ADelayed ripeningGuaranteed fresh qualityFruits/vegetable preservation by irradiation/electric treatmentFruits/vegetable preservation by coatingActinidiaKiwi fruit
The invention discloses a preparation method of fresh kiwi fruit slices. The preparation method comprises the following steps: taking fresh high-quality kiwi fruits of which the hardness is between 9.0 kg / cm<2> and 11.0 kg / cm<2> as standard raw materials, putting slices into distilled water after washing, peeling and cutting the kiwi fruits, pumping ozone until the concentration is 0.8 to 1.0 mg / L, and carrying out ultrasonic assisted sterilization for 5 to 8 minutes; then, adding the slices into a kiwi fruit mixed color protecting solution which is prepared from 0.2 percent of ZnCl2, 0.25 percent of EDTA (Ethylene Diamine Tetraacetic Acid)-2Na, 0.10 percent of ascorbic acid and 0.1 percent of citric acid for carrying out color protection, and infiltrating by using 0.5 to 2.0 percent of PEG (Polyethylene Glycol)-chitosan edible coating film after dewatering; finally, packaging by using a PP (Propene Polymer) pallet and a PE (Poly Ethylene) film, and storing at low temperature. The fresh kiwi fruit slices prepared through the preparation method have the characteristics that the appearance color is well kept, browning is not easy to cause, the bacteria inhibiting and fresh keeping effects are good, the storage period is long, and the quality is stable.
Owner:SICHUAN UNIV
Method for catalyzing and synthesizing polyalcohol ester by immobilized lipase
InactiveCN101130796AIncrease the area of actionReduce dosageFermentationBase-materialsAlcoholBase oil
The present invention relates to a preparation method of polyhydric alcohol ester. Said method includes the steps of adopting immobilized lipolase and utilizing monobasic fatty acid and polyhydric alcohol to catalyze synthesis of polyhydric alcohol ester. Said invention also relates to a polyhydric alcohol ester preparation prepared by adopting the invented method and its application as basic oil of lubricating oil.
Owner:BEIJING UNIV OF CHEM TECH
Welding method for Ti2AlNb-based intermetallic compound and dissimilar titanium alloy
InactiveCN104625411AIncrease the area of actionFully meltedArc welding apparatusLaser beam welding apparatusElectric arcIntermetallic
The invention discloses a welding method for Ti2AlNb-based intermetallic compound and dissimilar titanium alloy, and relates to a composite welding method for a bias laser and TIG electric arc in a parallel arranging mode. The method comprises the steps that: firstly, cleaning and polishing are carried out on a to-be-welded workpiece, and a fixture is fixed; secondly, a geometrical parameter is set; thirdly, a welding parameter of laser-TIG composite welding is set; fourthly, the electric arc is activated, and welding is carried out. The laser acts on one side of high-melting point base metal, and the TIG electric arc acts on one side of low-melting point base metal. Compared with laser welding, the weld heat input is lowered, the retention time on a high-temperature peak value is shortened, the welding joint of the high-temperature intermetallic compound is reduced, and therefore the high-temperature brittleness is lowered. By adding the TIG electric arc, the weld heat cycle is improved, the inter-coupling effect of two heat sources, namely the laser and the TIG electric arc, is demonstrated, the two heat sources, namely the laser and the TIG electric arc, are arranged perpendicular to the direction of the welding, the locating accuracy of the welding joint during the laser welding is greatly lowered, and the adaptability of the welding process is improved.
Owner:HARBIN INST OF TECH
Low driving force self-cleaning and heat transfer enhancement rotor in heat exchange tube
ActiveCN102128559AEffective diffusionIncreased turbulenceHeat transfer modificationRotary device cleaningEngineeringViscosity
The invention provides a low driving force self-cleaning and heat transfer enhancement rotor in a heat exchange tube, which is particularly suitable for the heat transfer enhancement of a viscous fluid of the tube side. The rotor comprises a hollow cylinder and blades, wherein each blade is of a spiral structure; the root part of the outer surface of the blade is tangential with the edge of the hollow cylinder; and when a fluid axially enters from the heat exchange pipe, the acting force of the fluid vertical to the radial direction of the blade enables the rotor to rotate around a rotary shaft. According to the invention, as the root part of the blade is tangential with the edge of the hollow cylinder, the acting area of the fluid on the blade is increased. The larger the radius of the hollow cylinder is, the more obvious the effect becomes. Consequently, if the rotation driving force applied to the rotor is increased, the rotor is more favorable for the heat transfer enhancement in the case of relatively large viscosity of a medium in the heat exchange pipe or low kinetic energy of the fluid. As the outer surface of the root part of the rotor is tangential with the edge of the hollow cylinder to form a smooth curve, the outer surface of the blade does not scale easily, thereby prolonging the using period of the entire device and reducing the cleaning frequency.
Owner:BEIJING UNIV OF CHEM TECH
Seed melon crushing seed-taking machine
InactiveCN103329685AEffective hygienic separationNovel structureSievingScreeningProduction lineMotor drive
The invention discloses a seed melon crushing seed-taking machine, wherein a feed hopper, a motor, a crushing device, a skin and pulp separation device, a spiral crushing delivery device and a seed and pulp separation device are arranged on a rack of the seed-taking machine; the motor drives the crushing device, the skin and pulp separation device, the spiral crushing delivery device and the seed and pulp separation device; the feed hopper is arranged above an inlet of the crushing device, and an outlet of the crushing device is communicated with an inlet of the skin and pulp separation device; the bottom end of the skin and pulp separation device adopts a screen structure and communicated with the spiral crushing delivery device; an outlet of the spiral crushing delivery device is communicated with the seed and pulp separation device. According to the invention, the effective and sanitary separation of the seed melon skin, pulp and seeds is realized, and the indicators of all separated items meet various indicator requirements for the follow-up processing. The novel seed melon crushing seed-taking machine disclosed by the invention has the following characteristics: the machine is designed according to the production line for full utilization of seed melons, the structure is novel, simple and practical, the entire crushing and separation process is completed through automation, the processing efficiency is high, and the productivity reaches 10 tons per hour.
Owner:甘肃靖远银农籽瓜科技有限公司 +1
Method for preparing black rice enzymatic hydrolysate and black rice polyphenol compound beverage
InactiveCN106343291AShorten gelatinization timeImprove enzymatic hydrolysis efficiencyFood ingredient functionsPolysaccharide/gum food ingredientsHydrolysateAlpha-amylase
The invention discloses a method for preparing black rice enzymatic hydrolysate. The preparing method comprises the following steps of, conducting extrusion expansion and grinding to black rice materials to prepare puffed black rice micro powder; adding the black rice micro powder with purified water to prepare puffed black rice paste; conducting liquidation to the puffed black rice paste by adopting alpha-amylase; after liquidation, conducting combined enzymolysis to the puffed black rice paste by cellulase and glucoamylase to prepare black rice enzymatic hydrolysate. Prepared black rice enzymatic hydrolysate helps not only with digestive absorption of black rice products but also with effective release and reservation of polyphenol substances black rice cortex. Prepared black rice enzymatic hydrolysate and an auxiliary material such as lycium barbarum juice are compounded into black rice polyphenol compound beverage respectively with the weight percentage of 60%-80% of black rice enzymatic hydrolysate and the weight percentage of 20%-40% of lycium barbarum juice, and black rice polyphenol and lycium barbarum polysaccharide are enriched in the black rice polyphenol compound beverage.
Owner:SERICULTURE & AGRI FOOD RES INST GUANGDONG ACAD OF AGRI SCI +1
Method for catalytic synthesis of vitamin A fatty acid ester using immobilized lipase
The method of catalytically synthesizing vitamin A fatty ester with immobilized lipase includes mixing substrate vitamin An acetate and C10-C18 fatty acid or fatty ester in the molar ratio of 1 to 1-7 as well as organic solvent and immobilized lipase in the amount of 0.2-5 times weight of vitamin An acetate for reaction under 20-50 deg.c for 9-50 hr; taking out the immobilized lipase; filtering the reacted liquid and crystallizing to obtain vitamin A fatty ester. The organic solvent is C6-C10 saturated alkane containing water in 0-1 %; and the immobilized lipase is yeast type lipase on carrier of diatomite, resin or fabric membrane. The immobilized lipase of the present invention has the features of great catalysis area, high catalysis efficiency, high stability, capacity of being reused, etc. The reaction solvent has no toxicity, and the product is light in color and high in quality.
Owner:BEIJING UNIV OF CHEM TECH
Three-dimensional heterojunction isotope battery based on carbon nanotube film and preparation method of three-dimensional heterojunction isotope battery
InactiveCN102543239ASimple structureReduce volumeDecorative surface effectsSolid-state devicesHeterojunctionSemiconductor materials
The invention discloses a three-dimensional heterojunction isotope battery based on a carbon nanotube film and a preparation method of the three-dimensional heterojunction isotope battery. A transduction structure of the isotope battery comprises a substrate, a back electrode, a patterned insulating layer, and a positive electrode on the insulating layer; the front side of the substrate of the transduction structure is provided with a three-dimensional array structure, and the carbon nanotube film is deposited on the surface of the front side of the first substrate; a heterojunction is formed on a contact part of the carbon nanotube film and the substrate so as to form ohmic contact with the positive electrode; a source structure comprises a substrate and a radioactive isotope film on the surface of the substrate; the source structure and the transduction structure are aligned and sealed together, contact parts of the source structure and the transduction structure are electrically isolated, and the radioactive isotope film of the source structure and the heterojunction of the transduction structure are opposite to each other and are positioned in a cavity formed by sealing. By the three-dimensional structure in the isotope battery, an action area of a device is effectively enlarged, and the performance of the device is improved. Moreover, due to the heterojunction formed by contacting the carbon nanotube film with other semiconductor materials, the conversion efficiency of the isotope battery is improved.
Owner:PEKING UNIV
Organic fertilizer fermentation device
ActiveCN107827508AIncrease the area of actionPromote growth and reproductionBio-organic fraction processingOrganic fertiliser apparatusVentilation tubeCombustor
The invention discloses an organic fertilizer fermentation device. The organic fertilizer fermentation device comprises a fermentation cylinder, wherein the fermentation cylinder comprises a cylindercover, a cylinder body and a cylinder bottom; a separating plate component, wherein the separating plate component is installed at the bottom of the cylinder body; a carbonization component, wherein the carbonization component is installed at the upper part of the cylinder body, and the carbonization component comprises multiple combustors alternately installed along the circumference of the cylinder body, and an annular spray tube horizontally installed below the multiple combustors; multiple sprayers which are alternately installed on the spray tube; a stirring component; a cyclone separator; a ventilation component, wherein the ventilation component comprises a ventilation tube vertically installed on the inner wall of the cylinder body, the ventilation tube is provided with multiple ventilation holes, the upper end of the ventilation tube is closed, and the lower end passes through the cylinder body; an air blower, wherein the air blower is installed outside the cylinder body, andthe air outlet of the air blower is communicated with the lower end of the ventilation tube; and a controller. The organic fertilizer fermentation device has the advantages of high fermentation efficiency, low production cost, and simple operation.
Owner:任栋
High-voltage composite lithium cobaltate cathode material and preparation method and application thereof
ActiveCN110336020AImprove structural stabilityImprove discharge capacitySecondary cellsPositive electrodesSpinelStructural stability
The invention discloses a high-voltage composite lithium cobaltate cathode material and a preparation method and application thereof. The composite lithium cobaltate cathode material comprises a particle core doped with gradient metallic elements and a coating layer having a spinel structure, wherein the particle core has an uneven surface. Further, a preparation method of the composite lithium cobaltate cathode material is also disclosed. The application of the composite lithium cobaltate cathode material is also disclosed. The method obtains gradient doped primary particles by primary sintering, and obtains the lithium cobaltate cathode material with a core layered structure and a shell spinel structure by secondary sintering. The method is simple in process and is controllable in operation procedure. The prepared lithium cobaltate material has good structural stability, high discharge capacity and excellent cycle performance at high voltage.
Owner:GUANGDONG BRUNP RECYCLING TECH +2
Battery box for electric automobile
ActiveCN105655510AIncrease the area of actionImprove cooling effectSecondary cellsCell component detailsConduction coolingEngineering
The invention discloses a battery box for an electric automobile. The battery box comprises an outer box body, a box cover, a cooling disk and a bottom plate, wherein an opening is formed in the top surface of the outer box body, and a hollow containing cavity is formed in the outer box body; the box cover is connected with the top surface of the outer box body in a covering way; the cooling disk and the bottom plate are sequentially connected with the bottom surface of the outer box body; the hollow containing cavity of the outer box body is used for containing at least one battery pack; the cooling disk is a hollow box body of which the bottom surface is opened; locating grooves are formed in the bottom surface of the outer box body; locating convex strips which are matched with and embedded in the locating grooves are arranged on the top surface of the cooling disk; the bottom surface of the cooling disk is covered and sealed through the bottom plate; the hollow box body of the cooling disk is used for carrying out heat conduction cooling on the bottom surface of the outer box body through circulating of a cooling medium. According to the battery box for the electric automobile, provided by the invention, efficient cooling can be realized.
Owner:昆山特朗普新能源汽车零部件有限公司
Automatic accreditation equipment
PendingCN108215528AIncrease the area of actionEasy to startTypewritersOther printing apparatusAccreditationOperating system
The invention discloses automatic accreditation equipment. The automatic accreditation equipment comprises a conveying device used for dragging certificates for certificate feed, a certificate feedingdevice arranged at one end of a certificate feed line, a printing device arranged at the other end of the certificate feed line and a page turning system. The page turning system comprises a negativepressure fan used for sucking pages. According to the automatic accreditation equipment, through integrated structural design, all actions of certification, certificate printing, stamping and certificate discharging are achieved on the same machine and do not depend on manual participation, and the automation degree and production efficiency are improved; and the negative pressure fan can shake at high frequency under drive of a page turning motor, and page adhesion can be avoided.
Owner:深圳市赛义德信息技术有限公司
Narrow-gap laser circular oscillation motion filler wire welding method for aluminum alloy thick-wall component
InactiveCN111545912AGood effectIncrease the area of actionLaser beam welding apparatusMaterials processingLaser heating
The invention discloses a narrow-gap laser circular oscillation motion filler wire welding method for an aluminum alloy thick-wall component. The invention belongs to the technical field of laser material processing. The invention aims to solve the technical problems of incomplete fusion and welding air holes which are extremely easy to occur during narrow gap welding of the aluminum alloy thick-wall component. According to the welding method, during welding, the emitting end of a laser beam acts on one end of a to-be-welded area around the laser beam to perform a circular oscillation motion,so that the laser beam enters a narrow-gap groove in a circular oscillation motion track to act on the to-be-welded area to form a welding pool, and filler wires enter the welding pool in a front wirefeeding mode, the filler wires are molten under the combined action of laser heating and molten pool thermal radiation, and the connection of the aluminum alloy thick-wall component is realized by adopting a single-channel multilayer filling mode. The method is large in laser beam heat source action area and controllable in mode, can generate a controllable stirring effect on the liquid molten pool, and has the advantages that the aluminum alloy side wall and interlayer melting is more sufficient, the welding process is more stable, the welding porosity is lower, and the joint stability is higher.
Owner:HARBIN WELDING INST LTD
Intelligent anti-dropout safety socket based on magnetorheological fluid
ActiveCN110571589AInhibit sheddingNo partial wearEngagement/disengagement of coupling partsMagnetic shieldNon-Newtonian fluid
The invention provides an intelligent anti-dropout safety socket based on magnetorheological fluid. A pressing piece connected with a spring is arranged on the outer side of the surface of a fixed cavity. A magnetic shield is arranged at the bottom of the fixed cavity. A magnetically conductive shaft with a coil wound thereon is arranged in the fixed cavity. The oil-resistant rubber wrapping the tail end of the magnetically conductive shaft is filled with the magnetorheological fluid. A clamp slot arranged in the magnetically conductive shaft is fixed with a guide plate and is connected with an insulating material. The vertical rod of a permanent magnet is arranged on the lower tail end of an insulator. The permanent magnet is used in cooperation with the permanent magnet of a switch. Theswitch forms a circuit through a power supply, a base spring and the magnetically conductive shaft on both ends, and the coil. According to the invention, while one circuit charges a charged object, the other group applied the provided electric energy to the magnetorheological fluid through the coil; when the charging device is not started, the magnetorheological fluid wrapped in the oil-resistantrubber is in a non-Newtonian fluid state; after the charged object is inserted, a plug touches the guide plate, and the switch automatically closes; and the magnetorheological fluid becomes solid tolock the charged object firmly, so as to prevent detachment, leakage and explosion.
Owner:西安浩瀚应急技术研究院有限公司
Method for preparing flavor Maillard peptides through extruding pretreatment of raw vegetable protein materials
InactiveCN107950747ARich flavorFull of nutritionProteins working-up by texturisingVegetable proteins working-upMaillard reactionEvaporation
The invention belongs to the technical field of food deep processing, and particularly relates to a method for preparing flavor Maillard peptides through extruding pretreatment of raw vegetable protein materials. In the method, soybean meal, peanut meal and wheat gluten proteins which are matched scientifically to serve as raw materials are extruded and expanded and then subjected to enzymolysis,solid-liquid separation, reverse osmosis concentration and single-effect evaporation concentration, a concentrated solution and reducing sugar are subjected to a Maillard reaction, a reaction productis subjected to vacuum concentration or spray drying, and the finished product is obtained. The flavor Maillard peptides prepared according to the method are rich, mellow, fine, fresh, sweet and longin flavor, rich in nutrition, healthy and safe, and when the flavor Maillard peptides are used in foods, the flavor of the foods can be obviously improved without masking the intrinsic flavor of the foods.
Owner:临沂新程金锣肉制品集团有限公司
Multifunctional combined hydraulic machine
InactiveCN105312384AIncrease the area of actionSmall area of actionPress ramEngineeringMultiple function
The invention relates to the field of metallurgy pressing machines, in particular to a multifunctional combined hydraulic machine. The multifunctional combined hydraulic machine comprises a rack, a main driving cylinder, a built-in rapid driving cylinder, an auxiliary driving cylinder, a movable cross beam, a guide mechanism, a workbench, a control system, a male die and a female die, wherein the workbench is arranged at the lower end of the rack in a sliding way; the movable cross beam is arranged on the upper end of the rack and located right above the workbench; and the main driving cylinder and the auxiliary driving cylinder are connected with the movable cross beam. The action areas of piston rods of the main driving cylinder, the auxiliary driving cylinder and the built-in rapid driving cylinder are unequal, the action area of the piston rod of the main driving cylinder is maximum, and the action area of the piston rod of the built-in driving cylinder is minimum, so that when hydraulic liquid flow amounts are equal, the extension extent of the piston rod of the built-in rapid driving cylinder is maximum, and the extension extent of the piston rod of the main driving cylinder is minimum. According to the multifunctional combined hydraulic machine, under the control of a control system, the hydraulic machine is provided with different feeding speeds and can adapt to the production technology of different materials.
Owner:FOSHAN CONSTANT HYDRAULIC MACHINERY
Rotary ash removal filter
InactiveCN105194950AReduce use costReduce maintenance costsDispersed particle filtrationTransportation and packagingFiltrationEngineering
The invention provides a rotary ash removal filter and belongs to the technical field of dedusting equipment for workshops. The rotary ash removal filter comprises a support frame, a multi-fold filter element, a gas inlet pipe and a blowing pipe, wherein the blowing pipe is located in the multi-fold filter element, and the multi-fold filter element is connected with the support frame. The rotary ash removal filter integrates functions of filtration and ash removal and can work continuously for a long time, the multi-fold filter element has a large filtering area, field space is saved, and the resistance and the operation cost are reduced.
Owner:成都鑫威隆机电设备有限公司
Cooling liquid recovery device integrating chip removal and circulation
InactiveCN105290876AScrape cleanRealize dischargeMaintainance and safety accessoriesCooling fluidCooling efficiency
The invention discloses a cooling liquid recovery device integrating chip removal and circulation. The cooling liquid recovery device comprises a cooling liquid recovery tank and a chip removal machine arranged over the cooling liquid recovery tank and used for removing cutting metal chips, wherein the chip removal machine comprises a hollow machine shell, a front conveying chain, a rear conveying chain and a chip removal driving motor, and the front conveying chain and the rear conveying chain are arranged on the front side and the rear side of the interior of the machine shell. The machine shell comprises a horizontal section, an ascending section, and a chip removal section, wherein the horizontal section is provided with an opening used for receiving foul cooling liquid, the ascending section is connected with the horizontal section and extends obliquely to the rear upper position, and the chip removal section is connected with the ascending section and extends horizontally and backwards. The chip removal driving motor is fixedly connected to the chip removal section, and a chip removal opening is formed in the lower surface of the tail end of the chip removal section. The cooling liquid recovery device has the beneficial effects that the filtering and cooling efficiency is improved as much as possible on the premise of guaranteeing the filtering precision, and meanwhile, the problem that the metal chip cleaning efficiency of an existing cooling liquid recovery device is low can be solved.
Owner:SUZHOU RS TECH
Physiotherapy equipment for treating peripheral nerve pathological changes of diabetes
InactiveCN101428165AIncrease the area of actionImprove the efficacy of physical therapyArtificial respirationSurface electrodeSelf checking
A physiotherapy table for treating peripheral neuropathy due to diabetes belongs to the technical field of medical instruments, and comprises a power supply 1, an intelligent controller 2, a keystroke interface 3, a digital displayer 4, a polarity control circuit 5, an impulse control circuit 6, a self-checking circuit 7, a first booster transformer 8, an output electrode 9 and a housing 10. The physiotherapy table has the following advantages: using the mutual inductance between two coils to produce two opposite induced current; and using a double-surface electrode to form a loop in local parts, which can produce low-frequency sine wave to simulate the frequency and strength of stimulation of muscular bioelectricity, thereby improving blood and lymph circulation in local tissue, ensuring bioelectric currents of human body work normally, creating a microenvironment for peripheral nerve repair, serving the function of speeding up the growth of the neural axon and the proliferation of Schwann cells, and establishing a novel therapeutic mode in response to peripheral neuropathy due to diabetes.
Owner:SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
Liquid membrane extraction method by taking hollow fiber composite membrane as liquid membrane carrier
ActiveCN103007574AReduce lossesImprove stabilitySemi-permeable membranesLiquid solutions solvent extractionHollow fibreFiber
The invention discloses a liquid membrane extraction method by taking a hollow fiber composite membrane as a liquid membrane carrier. According to the liquid membrane technology, the hollow fiber composite membrane serves as the liquid membrane carrier, an extract phase is filled and attached to the gap and surface of the hollow fiber composite membrane to form the liquid membrane, a feed liquid phase solution and a reverse extraction phase respectively flow through two sides of the carrier, and the separation effect of in-step extraction and reverse extraction is realized through the liquid membrane function. The hollow fiber composite membrane consists of a braided tube layer and a polymer membrane layer; and meanwhile, the extraction phase and the feed liquid phase are fully mixed before entering the membrane by utilizing a mixer, the dispersing effect of the extraction phase liquid drops in the feed liquid phase is improved, the contact probability of the liquid membrane and the feed liquid solution is enhanced, and the mass transfer efficiency is improved. The imbalanced extraction realized by the liquid membrane technology is utilized, the problems that the liquid membrane attachment amount is small, the liquid membrane is instable, the mass transfer efficiency is low and the like in the hollow fiber supported liquid membrane and the liquid membrane updating technology are solved, the mass transfer coefficient and liquid membrane flux are improved, and the magnitude order of the mass transfer coefficient is 10-5.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY +1
Compound jet pump based on combination of center jet flow and annular jet flow
InactiveCN108204382ABeneficial technical effectIncrease the area of actionJet pumpsMachines/enginesJet flowSpray nozzle
The invention relates to a compound jet pump based on the combination of center jet flow and annular jet flow. The compound jet pump comprises a working water pipe, a center nozzle, an annular nozzle,a water suction tube, a suction-in chamber, a throat tube inlet section, a throat tube, a diffusing tube and a water outlet tube. The compound jet pump further comprises a center nozzle control valveand an annular nozzle control valve. The center nozzle is arranged at the center of the annular nozzle. The center jet flow and the annular jet flow are combined. The compound jet pump solves the problems that a single center jet pump or single annular jet pump is low in efficiency, and the properties can be turned to be poor after working condition change. Compared with a traditional center jetpump and annular jet pump which are mostly used at present, the compound jet pump is small in structural change, the required parts are not greatly increased and technological processing can be achieved easily. The working efficiency is high, the problems which cannot be achieved by the traditional single jet pump are solved, and thus the application prospects are broad.
Owner:SICHUAN UNIV
Integrated device for conducting desulfurization and denitrification on marine diesel engine tail gas
ActiveCN105854601ASuitable for chemical reactionsThe discharge process is easy to controlGas treatmentDispersed particle separationPlasma generatorEngineering
The invention aims at providing an integrated device for conducting desulfurization and denitrification on marine diesel engine tail gas. The device comprises a plasma generator, a power supplying device, a high voltage electricity generator, a dry type dust collector, granulation equipment and ammonia supplying equipment, the plasma generator is provided with a tail gas inlet, a tail gas outlet and an ammonia inlet, an exhaust pipe of a marine diesel engine is connected with the tail gas inlet, the tail gas outlet is connected with the dry type dust collector, the dry type dust collector is connected with the granulation equipment and the atmosphere, the power supplying device is connected with the high voltage electricity generator, and the high voltage electricity generator is connected with the plasma generator. By means of the desulfurization and denitrification integrated device, the occupied land area is reduced, efficiency of a discharging power source is improved, the plasma generation area is increased, the acting time of tail gas and plasmas is prolonged, treatment efficiency is improved, and meanwhile the flow velocity and temperature of the tail gas are also controlled to a certain extent.
Owner:HARBIN ENG UNIV
Transmission line de-icing and bird's nest removing device
ActiveCN107069563AMeet the needs of useIncrease the area of actionOverhead installationApparatus for overhead lines/cablesRubber ringBobbin
The invention provides a transmission line de-icing and bird's nest removing device belonging to the technical field of transmission line obstacle removal tools. The device comprises a supporting mechanism, a removing mechanism, a de-icing mechanism and a post-cleaning mechanism. The support mechanism includes a base, a support bar and a pillar arranged on the base. An end of the support bar is connected with an insulating telescopic rod by bolts. The removing mechanism comprises a microphone and a storage bag arranged at the upper end of the insulating telescopic rod. A bag opening and a bag body of the storage bag are both fixed with rubber rings around. A plurality of baffles are arranged at the opening of the storage bag at fixed intervals. A rope surrounds the bag opening of the storage bag and is wound on a first bobbin and a second bobbin on the lower portion of the support bar. The device can not only ensure the integrity of a bird's nest, but also prevent scattered debris of the bird's nest from falling freely. The removal is more thorough, easy to operate, accurate and efficient. Meanwhile, the de-icing mechanism is used to clean ice blocks on lines to ensure the safe operation of the lines.
Owner:LUOHE POWER SUPPLY OF HENAN ELECTRIC POWER CORP
Method for preparing three-dimensional manometer load-type catalyst
InactiveCN101574670AEasy to makeSimple preparation processWater/sewage treatment by irradiationWater contaminantsNanometreDry etching
The invention relates to a method for preparing a three-dimensional manometer load-type catalyst, comprising the following steps of: (1) covering solution with nanosphere on a substrate evenly and drying; (2) using the nanosphere as a mask plate and adopting dry etching or wet corrosion based on different etching or corroding rate with the substrate; and (3) depositing a catalyst material. The method has simple process, low cost and is easy to be promoted and used. The scale of the catalyst carrier in the three-dimensional direction is within the nanometer magnitude and the body of the carrier has larger specific surface area so that the catalyst acts on large areas, and the catalyst materials are highly dispersed, easily recycled and can be reused.
Owner:DONGHUA UNIV
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