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43results about How to "Fully dissipated" patented technology
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Microwave curing moulding system of water-soluble moulding core
ActiveCN108339942AAvoid scratchingGuaranteed StrengthFoundry mouldsMoulding machinesWater solubleMicrowave curing
The invention discloses a microwave curing moulding system of a water-soluble moulding core and belongs to the technical field of casting. The microwave curing moulding system comprises a moulding sand spraying unit, a moulding core curing unit, a moulding core immersion unit and a moulding core sintering unit, wherein the moulding sand spraying unit comprises a liquid mixing bin, a liquid spraying device and a material spreading device. The liquid mixing bin is used for storing mixed spraying liquid. The material spreading device is used for spreading sand. The liquid spraying device sprays spraying liquid to spread moulding sand layer by layer in accordance with the layer thickness of 0.01-1mm. The spraying liquid enables the moulding sand to aggregate and to coagulate to a to-be-cured moulding core. The moulding core curing unit is used for conducting microwave heating for the to-be-cured moulding core to cure the to-be-cured moulding core to a cured moulding core. The moulding coreimmersing unit is used for immersing the cured moulding core. The moulding core sintering unit is used for sintering the to-be-sintered moulding core. The microwave curing moulding system realizes moulding core fast producing without moulds. The moulding core curing unit adapts microwave heating realizing synchronous heating both interiorly and exteriorly. The intermittent microwave heating method enables inner layer water to be evaporated completely. Thus, the strength of the moulding core is ensured.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY
Post-tensioning self-resetting joints capable of multi-stage energy dissipation and assembling method for post-tensioning self-resetting joints
PendingCN110629897AIncrease stiffnessSolve layer displacementProtective buildings/sheltersShock proofingContact pressureResidual deformation
The invention discloses post-tensioning self-resetting joints capable of multi-stage energy dissipation and an assembling method for the post-tensioning self-resetting joints. The joints can slide relative to one another, and provide energy dissipation under small deformation through a mode of unilateral friction between a T-shaped piece and a beam flange, with increasement of deformation of openings of the joints, an SMA damper connected with a T-shaped plate begins to enter a phase transition energy dissipation phase, and introduced metal damping cannot increase residual deformation of the joints at the same prestress level; and for avoiding the characteristic of low redundancy of the post-tensioning joints, contact pressure-bearing of a bolt rod connecting the T-shaped piece and the beam flange and the oblong hole wall of the beam flange is allowed through an oblong hole, and under extreme conditions, collapse can be effectively resisted. According to the post-tensioning self-resetting joints, under small to middle seisms, friction damping is used for energy dissipation, energy dissipation in a combined energy dissipation mode can be realized by cooperating with SMA phase transition under middle to large seisms, and by means of post-tensioning prestress reinforcements, complete resetting is realized; and under the extreme conditions, joint force transfer is transformed intocollapse resistance in a hole wall pressure-bearing mode, and multi-stage energy dissipation and the multi-redundancy property are realized.
Owner:CHONGQING UNIV +1
Preparation method of decontamination type laundry detergent
InactiveCN112169610AStir wellWell mixedWater/sewage treatment by irradiationFlow mixersProcess engineeringDrive motor
The invention discloses a preparation method of a decontamination type laundry detergent. The method comprises the following steps of: purification: purifying stored deionized water by using a water quality purification mechanism, conveying the purified deionized water into a stirring tank in the middle of a mounting frame; stirring: injecting raw materials into the stirring tank through a feedingpipe, heating the raw materials, and driving a stirring shaft to rotate by a driving motor so as to stir the raw materials, and fully stirring the raw materials through an emulsification promoting mechanism. The raw materials in the stirring tank can be fully mixed through the emulsification promoting mechanism, the raw materials can be fully mixed, and the situation that the quality of the prepared laundry detergent is unqualified due to uneven mixing of the raw materials is avoided, and meanwhile, through cooperative use of a circulating pump and a circulating conveying pipe, the mixed solution at the bottom of the stirring tank is pumped out and then re-injected into the stirring tank, the problem that the solution is deposited at the bottom of the stirring tank and cannot be fully mixed is avoided, raw materials are fully emulsified, raw material mixing is promoted, and the activity of the raw materials can be improved.
Owner:周燕芳
Rapid formation method of infrared precuring water-soluble salt core
ActiveCN108515147AHigh strengthFully wet fillAdditive manufacturing apparatusFoundry mouldsInorganic saltsInfrared
A rapid formation method of an infrared precuring water-soluble salt core belongs to the field of casting techniques. The method comprises the following steps: S100, pretreatment of inorganic salt; S200, preparation of a jetting fluid; S300, droplet jetting forming and infrared heating precuring; S400, wetting or spraying of the inorganic salt solution; S500, intermittent microwave curing; and S600, sintering. After infrared heating preformation of the salt core, the salt core then undergoes inorganic salt solution, secondary microwave curing and sintering. As the inorganic salt solution has extremely strong wettability, pores of the salt core can be fully wetted and filled, and crystallization is achieved to precipitate out inorganic salt during the secondary microwave curing process. Strength of the salt core is remarkably raised.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY
Toona sinensis-flavor condiment sauce and preparation method thereof
InactiveCN104305120AMeet the needs of diverse tastesRetain nutritional valueFood preparationMonosodium glutamateGARLIC POWDER
The invention relates to the field of flavoring food, and provides a toona sinensis-flavor condiment sauce and a preparation method thereof. The toona sinensis-flavor condiment sauce has flexible eating methods, is delicious and rich in nutrition, has a unique toona sinensis flavor, and meets the demand on the diversity of condiment sauce taste caused by people. The toona sinensis-flavor condiment sauce mainly comprises the following raw materials in parts by weight: 10-15 parts of toona sinensis sprout powder, 80-85 parts of chili powder, 3-5 parts of garlic powder, 1-3 parts of ginger powder, 4-6 parts of salt, 3-5 parts of monosodium glutamate and 1-2 parts of pepper. Meanwhile, the invention also provides a preparation method of the toona sinensis-flavor condiment sauce. According to the preparation method, the unique flavor and the rich nutritional value of toona sinensis in the toona sinensis sprout can be retained to the utmost extent; meanwhile, the preparation method is simple and easy to implement, and facilitates industrial large-scale popularization and application.
Owner:DAZHU COUNTY CHANXIANGCHUN FOOD
Determination method of cement concrete mixture water-cement ratio
ActiveCN103217515AReduce clumpingShorten drying timeMaterial testing goodsHydration reactionSample water
The invention discloses a determination method of a cement concrete mixture water-cement ratio. The method comprises the specific steps that: (1) the concrete mixture is sampled within a detection time limit; (2) after sampling, the concrete mixture sample is subjected to an inhibitory treatment, a sand mixing treatment, and a blast drying treatment; and water content Wc of the concrete mixture sample is calculated; (3) with a lowest water-cement ratio beta of a hydration reaction during the drying process, the concrete mixture sample water content Wc is corrected; concrete mixture sample unilateral water content mw is calculated; and with a concrete mixture sample cementing material total amount mb, the concrete mixture sample water-cement ratio is calculated with a formula that W / B=mw / mb.
Owner:马润辰
Device for preventing high temperature caused by welding metal embedded part from burning out concrete base layer and method thereof
ActiveCN101565970ATo achieve the purpose of coolingFully dissipatedBuilding material handlingWater flowEngineering
The invention discloses a device for preventing high temperature caused by welding metal embedded parts from burning out concrete base layers and a method thereof. In the device, at least one metal pipe is welded on an embedded plate; one end of the metal pipe is adopted as a water intake and the other end is adopted as a water outtake; the metal pipe appears as bent or curved form and is positioned at the lower end of a part to be welded on the embedded plate; the metal pipe is hollow and provided with diameter between 15 mm and 25 mm; and both water and cement mortar can be poured into the metal pipe. When in welding on the embedded plate, the method adopts the proposal of leading cooling water to flow into the lower end of the part to be welded on the embedded plate through the metal pipe and then flow out of the metal pipe after absorbing heat generated by welding; and the method utilizes water stream to reduce the temperature of the contact surface between the embedded part and the concrete base layer. The invention can effectively control the temperature of the contact surface between the embedded part and the concrete base layer so as to prevent the high temperature caused by the welding from burning out concrete base layer and ensure the embedding quality; and cost is low, the operation is simple and practicality is high.
Owner:ARCHITECTURAL DESIGN & RES INST OF SOUTH CHINA UNIV OF TECH
Microwave coagulation forming system of water-soluble salt core
The invention discloses a microwave coagulation forming system of a water-soluble salt core, and belongs to the technical field of casting. The microwave coagulation forming system comprises a salt core jetting unit, a salt core coagulation unit, a salt core soaking unit and a salt core sintering unit, wherein the salt core jetting unit comprises a liquid distribution bin, a liquid jetting device,a material spreading device and an infrared heating plate, wherein the liquid distribution bin is used for storing already-prepared jetting liquid, the material spreading device is used for laying inorganic salt powder, the liquid jetting device is used for jetting the jetting liquid to the laid inorganic salt powder to make the inorganic salt powder aggregated and coagulated into a to-be-coagulated salt core, and the infrared heating plate is used for preheating and sizing the to-be-coagulated salt core. By means of the microwave coagulation forming system of the water-soluble salt core, thesalt core is subjected to infrared heating and pre-forming, and is then subjected to inorganic salt solution wetting, microwave coagulation and sintering, since the wettability of an inorganic salt solution is very high, pores filled with the pre-formed salt core can be fully wetted, crystallization is conducted in the secondary microwave coagulation process, and the strength of the salt core isobviously improved.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY
Vibration damping device, compressor and water chilling unit
PendingCN112065921AFully dissipatedFully absorbedNon-rotating vibration suppressionDamperMechanical engineering
The invention discloses a vibration damping device, a compressor and a water chilling unit. The vibration damping device comprises a shell, a connecting piece, a damper spring and damping particles. The shell is provided with a vibration damping cavity. The connecting piece is arranged on the shell in a penetrating mode, and the connecting piece is provided with a connecting end and a vibration damping end. The connecting end of the connecting piece is located outside the vibration damping cavity and used for being connected with a vibration source, and the vibration damping end of the connecting piece is located in the vibration damping cavity. The damper spring is installed in the vibration damping cavity. The first end of the damper spring is connected with the connecting end of the connecting piece, and the second end of the damper spring is connected with the inner wall of the shell. And the damping particles are filled in the vibration damping cavity. According to the vibration damping device disclosed in the invention, vibration energy of the vibration source can be fully dissipated and absorbed through the mutual cooperation of the damper spring and the damping particles, and therefore the vibration damping effect is improved.
Owner:GREE ELECTRIC APPLIANCES INC
Fireproof device of ring cooling machine receiving hopper
InactiveCN105571325AStrong erosion resistanceMeet strength requirementsLinings repairHandling discharged materialBrickUltimate tensile strength
The invention discloses a fireproof device of a ring cooling machine receiving hopper. The fireproof device is formed by laying prefabricated abrasive brick layers and pouring material layers, wherein the prefabricated abrasive brick layers are formed by connection of a plurality of prefabricated abrasive bricks, the pouring material layers are formed by pouring a pouring material and have a certain thickness, and the prefabricated abrasive brick layers and the pouring material layers are alternately laid in layers. The fireproof device can effectively shorten baking time before use to be within 2 days, so as to achieve consistence with the heating-up time of a rotary kiln; and the strength is higher, the scouring resistant performance is stronger, the structure stability is higher, and the service life is effectively prolonged.
Owner:SICHUAN DESHENG GRP VANADIUM & TITANIUM CO LTD
Radiating unit and semiconductor package having the same
InactiveCN101286486ANo costFully dissipatedSemiconductor/solid-state device detailsSolid-state devicesCrest lineStress concentration
The invention discloses a radiating unit and a semiconductor encapsulating part provided with the radiating unit, wherein, the semiconductor encapsulating part comprises a bearing part, an electronic component electrically connected to the bearing part, a flat part attached to and combined with the electronic component, an extension part connected to the flat part, the radiating unit of a radiating part connected to the extension part, and a molding colloid used for encapsulating the electronic component and the radiating unit; wherein, at least the angle end of the border crest line of the extension part and the flat part is provided with a stress release part to remove the convex angle end of the radiating units caused by stress concentration in the punching process so as to maintain the flatness of the flat part, thus preventing the circuit on the electronic component from being pressed and damaged by a contact point generated between the flat part and the electronic component in the mould pressing process.
Owner:SILICONWARE PRECISION IND CO LTD
Efficient progressive stable energy absorption device
The invention discloses an efficient progressive stable energy absorption device which comprises a bumper, an oil pressure energy absorption mechanism located on the rear side of the bumper, and an air pressure energy absorption mechanism located on the rear side of the bumper. The oil pressure energy absorption mechanism comprises an oil cylinder, a connecting piece, and an oil pressure piston plate movably arranged in the oil cylinder. The connecting piece is connected between the bumper and the oil pressure piston plate in a transmission mode, and an oil outlet is formed in one end of the oil cylinder. The oil pressure energy absorption mechanism further comprises a gland for opening and closing the oil outlet. The air pressure energy absorption mechanism comprises an air cylinder, and an air pressure piston plate movably arranged in the air cylinder. When the bumper is impacted, impact force is transmitted to the oil pressure piston plate through the connecting piece, the oil pressure piston plate extrudes oil in the oil cylinder and enables the oil to push the gland open to flow out of the oil outlet, and the oil applies pressure to the air pressure piston plate to enable the air pressure piston plate to compress air in the air cylinder. By means of the device, energy can be well absorbed, vibration reduction and cushioning are achieved, the impact force is reduced, stability is improved, and therefore a good protection effect is achieved for a driver and passengers.
Owner:HUAQIAO UNIVERSITY
Hollow honeycomb flower-shaped manganese dioxide material
InactiveCN111675242AAct as a templateExcellent electromagnetic wave absorption performanceManganese oxides/hydroxidesHoneycombSilicon dioxide
The invention discloses a hollow honeycomb flower-shaped manganese dioxide material and an application thereof. The preparation method comprises the steps: (1) preparation of silicon dioxide@honeycombflower-shaped manganese dioxide: ultrasonically dispersing silicon dioxide and potassium permanganate into deionized water, adding a certain amount of hydrochloric acid solution, stirring, transferring into a hydrothermal reaction kettle with a polytetrafluoroethylene liner, reacting for a period of time, performing subsequent treatment after the reaction is finished, and thus obtaining the silicon dioxide@honeycomb flower-shaped manganese dioxide.; and (2) preparation of hollow honeycomb flower-shaped manganese dioxide: adding the silicon dioxide@honeycomb flower-shaped manganese dioxide prepared in the step (1) into a concentrated sodium hydroxide solution, carrying out a stirring reaction at a certain temperature, and carrying out subsequent treatment after the reaction is completed, so as to obtain the hollow honeycomb flower-shaped manganese dioxide. The obtained product manganese dioxide is in a hollow honeycomb flower shape, has the characteristics of light weight, strong lossand wide absorption, and plays a quite important role in application of electromagnetic wave absorption.
Owner:ZHEJIANG NIRUAN NEW MATERIAL CO LTD
Clothes care method for washing and drying integrated machine and washing and drying integrated machine
InactiveCN110409112AAvoid damageReduce residual stressOther washing machinesWashing machine with receptaclesProcess engineeringEngineering
The invention belongs to the technical field of clothes processing, and provides a clothes care method for a washing and drying integrated machine and the washing and drying integrated machine in order to solve the problem that a vapor generating device in an existing washing and drying integrated machine is high in energy consumption and poor in safety. The method includes the steps of pouring apreset amount of water into the bottom of an outer tub, generating vapor through an ultrasonic vapor generator, generating hot air through a drying system, and blowing the hot air into an inner tub sothat clothes in the inner tub can be conveniently cared. By means of the clothes care method and the washing and drying integrated machine, creases generated in the clothes drying process can be greatly reduced, and clothes can be more smooth; in the vapor generating process, energy consumption is low, water consumption is low, the safety coefficient is high, and user experience is improved.
Owner:QINGDAO HAIER DRUM WASHING MACHINE
Additive for water soluble core and application method thereof
ActiveCN108500201AImprove initial strengthHigh strengthAdditive manufacturing apparatusMoulding toolsInorganic saltsOrganic acid
The invention relates to an additive for a water soluble core and an application method thereof, and belongs to the technical field of casting. The additive comprises a water soluble high molecular material, organic acid and water soluble inorganic salt, wherein the water soluble high molecular material is used for improving the initial hardness of a core; the organic acid is used for adjusting the pH value to prevent corrosion; the water soluble inorganic salt is used as an adhesive for the core. The method comprises the following steps: mixing an additive and water to prepare jetting fluid,spraying the jetting fluid layer by layer onto a disperse layer surface of the core; performing heating with infrared ray while spraying is performed, so as to produce a preset core; performing infiltration on the preset core or spraying an inorganic salt solution onto the preset core, laying the infiltrated core into a microwave oven to perform intermittent microwave heating curing after infiltration, and sintering the cured core, so as to further improve the strength of the core.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY
Led lamp with omnidirectional light radiation and optimized heat dissipation
InactiveCN101641551AShadowing minimizationFully dissipatedPoint-like light sourceLighting heating/cooling arrangementsOptoelectronicsLED lamp
An LED lamp comprises a plurality of angular carriers (Li). Moreover, the angular carrier sections (2.i) of the carriers (1.i) are adjacent. The solid angles of the surface of the angular carrier sections (2.i) correspond substantially to different solid angles of a polyhedron. The LED lamp furthermore has a plurality of LED elements (4.i) which are disposed on the angular carrier sections (2.i).The heat of the individual LED elements (4.i) emanating from the angular carrier section (2.i) is dissipated over the remaining carrier (3.i).
Owner:克里斯多夫·库格雷
Device for regulating pitaya internal nutrition
PendingCN110301257AGood effectGood for full absorptionHorticulture methodsPlant protectionEchinocereus enneacanthusFertilizer
The invention discloses a device for regulating pitaya internal nutrition. The device comprises a liquid storage cylinder and is characterized in that a syringe is communicated to the left side of theliquid storage cylinder, a rubber plug is movably mounted on the left side of the inner cavity of the syringe, a push-pull rod is movably mounted on the right side of the rubber plug, and the right end of the push-pull rod sequentially penetrates the syringe and the liquid storage cylinder and extends out of the liquid storage cylinder. The device has the advantages that the varieties and quantity of sprayed fertilizer, injection hole diameter, needle length and the like can be set in a targeted manner according to pitaya plants in different stages; the device is specially designed for pitayasteam injection and aims to change the foliage spray manner of pitaya, the injection manner is evident in effect when the same volume of micro-fertilizer or pesticide is applied, high yield can be achieved with low investment, fertilizer, hormone and pesticides can be prepared into a solution and injected into the pitaya plants through stem injection, and the economic benefits of pitaya can be increased favorably.
Owner:HAINAN UNIVERSITY +1
Determination method of cement concrete mixture water-cement ratio
ActiveCN103217515BReduce measurement errorReduce clumpingMaterial testing goodsHydration reactionSample water
The invention discloses a determination method of a cement concrete mixture water-cement ratio. The method comprises the specific steps that: (1) the concrete mixture is sampled within a detection time limit; (2) after sampling, the concrete mixture sample is subjected to an inhibitory treatment, a sand mixing treatment, and a blast drying treatment; and water content Wc of the concrete mixture sample is calculated; (3) with a lowest water-cement ratio beta of a hydration reaction during the drying process, the concrete mixture sample water content Wc is corrected; concrete mixture sample unilateral water content mw is calculated; and with a concrete mixture sample cementing material total amount mb, the concrete mixture sample water-cement ratio is calculated with a formula that W / B=mw / mb.
Owner:马润辰
A microwave curing molding system for water-soluble cores
ActiveCN108339942BGuaranteed StrengthFully dissipatedFoundry mouldsMoulding machinesMicrowave curingComposite material
The invention discloses a microwave curing moulding system of a water-soluble moulding core and belongs to the technical field of casting. The microwave curing moulding system comprises a moulding sand spraying unit, a moulding core curing unit, a moulding core immersion unit and a moulding core sintering unit, wherein the moulding sand spraying unit comprises a liquid mixing bin, a liquid spraying device and a material spreading device. The liquid mixing bin is used for storing mixed spraying liquid. The material spreading device is used for spreading sand. The liquid spraying device sprays spraying liquid to spread moulding sand layer by layer in accordance with the layer thickness of 0.01-1mm. The spraying liquid enables the moulding sand to aggregate and to coagulate to a to-be-cured moulding core. The moulding core curing unit is used for conducting microwave heating for the to-be-cured moulding core to cure the to-be-cured moulding core to a cured moulding core. The moulding coreimmersing unit is used for immersing the cured moulding core. The moulding core sintering unit is used for sintering the to-be-sintered moulding core. The microwave curing moulding system realizes moulding core fast producing without moulds. The moulding core curing unit adapts microwave heating realizing synchronous heating both interiorly and exteriorly. The intermittent microwave heating method enables inner layer water to be evaporated completely. Thus, the strength of the moulding core is ensured.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY
Power distribution cabinet and working method thereof
PendingCN112864907AEnsure safetyFully dissipatedSubstation/switching arrangement cooling/ventilationSubstation/switching arrangement casingsElectric power equipmentStructural engineering
The invention relates to the technical field of power equipment, and discloses a power distribution cabinet which comprises a cabinet, the top of the cabinet is sleeved with a top cover in a threaded mode, the top of the top cover is fixedly connected with a top cover, a sleeve column is fixedly installed at the top, located in the middle of a bottom plate, of an inner cavity of the cabinet, the outer ring of the sleeve column is movably sleeved with a mounting frame, a powder storage ring is fixedly installed in the middle of an inner ring of the cabinet, nozzles are evenly installed on the inner side of the powder storage ring, vent holes are evenly formed in the middle ring of the top cover, air pressure holes are formed in the positions, located at the two sides of the vent holes, of the bottom of the top cover, movable grooves communicating with the vent holes and the air pressure holes are formed in the top cover, and transmission holes corresponding to the sleeve holes are formed in the side wall of the cabinet, the installation safety is improved by changing the structure of the whole power distribution cabinet. The mounting safety is improved by structural change of the whole power distribution cabinet, and air pressure change is used to control timely power failure and fire extinguishing in a fire to ensure the overall safety.
Owner:梁彩霞
Radiation type LED (light-emitting diode) tunnel lamp
InactiveCN102401282ANice appearanceImprove cooling effectPoint-like light sourceLighting heating/cooling arrangementsEngineeringLight-emitting diode
The invention discloses a radiation type LED (light-emitting diode) tunnel lamp, comprising a shell, a lamp shade, a power box and a radiating body, wherein the lamp shade is fixedly connected on the shell; a plurality of strip-shaped through holes are arranged on the shell; a substrate is arranged in the shell in a matching manner; the radiating body is arranged in the shell and comprises a plurality of radiating strips; and the power box is connected at the bottom part of the shell and is provided with radiating holes. By the mode, the radiation type LED tunnel lamp has the advantages that the appearance is attractive and elegant, the radiating effect is good, the heat can escape fully and the disassembly and assembly are convenient.
Owner:SHANSHUI LIGHTING TECH CHANGSHU
Biomass particle steam oven
PendingCN108253459AFully dissipatedTake advantage ofCombustion-air/flue-gas circulation for stovesStove/ranges for heating waterCombustorHearth
The invention discloses a biomass particle steam oven. The biomass particle steam oven comprises a furnace liner and a furnace outer wall, a heat exchange cavity is formed between the furnace liner and the furnace outer wall, an inner concave secondary liner with the diameter larger than the diameter of the furnace liner is arranged above the furnace liner, a fire discharging opening is formed inthe upper edge of the furnace liner, and a fire suction opening is formed in the inner concave secondary liner. A water tank communicating with the heat exchange cavity and a fan connected with the fire suction opening through an air suction pipe are arranged outside the furnace outer wall, and the fire suction pipe is connected with the fan after passing through the heat exchange cavity and the furnace outer wall. An opening is formed in the bottom of the furnace liner, a burner is arranged under the opening, and the burner is connected with a screw conveyor arranged to be used for feeding biomass particles. The biomass particles can be used fully for being as fuel, it is ensured that the biomass particles can be burned fully for the use of boiler tools, and the heat loss around the furnace and a chimney can be used fully.
Owner:JIANGSU SHENGONG STOVE CO LTD
A rapid prototyping method for microwave solidified water-soluble salt core
ActiveCN108380825BAvoid scratchingFast curingFoundry mouldsFoundry coresInorganic saltsMicrowave curing
The invention discloses a rapid forming method of a microwave-cured water-soluble salt core, and belongs to the technical field of casting. The method comprises the following steps that S100, inorganic salt is pretreated; S200, a jetting liquid is prepared; S300, micro-drop injection moulding is performed; S400, intermittent microwave curing is performed; and S500, the salt core is infiltrated orsprayed with an inorganic salt solution; S600, secondary intermittent microwave curing is carried out; and S700, sintering is carried out. According to the method, the salt core is subjected to the microwave curing and the pre-forming, and then the salt core is soaked in the inorganic salt solution and is subjected to the secondary microwave curing and the sintering; due to the fact that the wettability of the inorganic salt solution is extremely high, the pores of the preformed salt core can be fully wetted and filled, the inorganic salt is crystallized and separated out in the secondary microwave curing process, and the strength of the salt core is remarkably improved.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY
A kind of additive of water-soluble mold core and using method thereof
ActiveCN108500201BImprove initial strengthHigh strengthAdditive manufacturing apparatusMoulding toolsInfraredAdhesive
The invention relates to an additive for a water soluble core and an application method thereof, and belongs to the technical field of casting. The additive comprises a water soluble high molecular material, organic acid and water soluble inorganic salt, wherein the water soluble high molecular material is used for improving the initial hardness of a core; the organic acid is used for adjusting the pH value to prevent corrosion; the water soluble inorganic salt is used as an adhesive for the core. The method comprises the following steps: mixing an additive and water to prepare jetting fluid,spraying the jetting fluid layer by layer onto a disperse layer surface of the core; performing heating with infrared ray while spraying is performed, so as to produce a preset core; performing infiltration on the preset core or spraying an inorganic salt solution onto the preset core, laying the infiltrated core into a microwave oven to perform intermittent microwave heating curing after infiltration, and sintering the cured core, so as to further improve the strength of the core.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY
Charged particle beam system for scanning a sample
PendingCN113383404AFully dissipatedReduce distortion problemsElectric discharge tubesMaterial analysis by transmitting radiationNuclear engineeringParticle beam
A method for scanning a sample by a charged particle beam tool is provided. The method includes providing the sample having a scanning area including a plurality of unit areas, scanning a unit area of the plurality of unit areas, blanking a next unit area of the plurality of unit areas adjacent to the scanned unit area, and performing the scanning and the blanking the plurality of unit areas until all of the unit areas are scanned.
Owner:ASML NETHERLANDS BV
A rapid prototyping method for infrared pre-cured water-soluble salt core
ActiveCN108515147BHigh strengthFully wet fillAdditive manufacturing apparatusFoundry mouldsInorganic saltsInfrared
A rapid formation method of an infrared precuring water-soluble salt core belongs to the field of casting techniques. The method comprises the following steps: S100, pretreatment of inorganic salt; S200, preparation of a jetting fluid; S300, droplet jetting forming and infrared heating precuring; S400, wetting or spraying of the inorganic salt solution; S500, intermittent microwave curing; and S600, sintering. After infrared heating preformation of the salt core, the salt core then undergoes inorganic salt solution, secondary microwave curing and sintering. As the inorganic salt solution has extremely strong wettability, pores of the salt core can be fully wetted and filled, and crystallization is achieved to precipitate out inorganic salt during the secondary microwave curing process. Strength of the salt core is remarkably raised.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY
A rapid prototyping method for infrared pre-cured water-soluble core
ActiveCN108500216BHigh strengthImprove wettabilityFoundry mouldsFoundry coresInfraredInorganic salts
Owner:ANHUI UNIVERSITY OF TECHNOLOGY
An Efficient Progressive Stable Energy Absorbing Device
Owner:HUAQIAO UNIVERSITY
A kind of rapid prototyping method of microwave curing water-soluble core
ActiveCN108500215BHigh strengthImprove wettabilityFoundry mouldsFoundry coresInorganic saltsPhysical chemistry
Owner:ANHUI UNIVERSITY OF TECHNOLOGY
Led lamp with omnidirectional light radiation and optimized heat dissipation
InactiveCN101641551BFully dissipatedIncrease luminous fluxPoint-like light sourceLighting heating/cooling arrangementsEngineeringLED lamp
An LED lamp comprises a plurality of angular carriers (Li). Moreover, the angular carrier sections (2.i) of the carriers (1.i) are adjacent. The solid angles of the surface of the angular carrier sections (2.i) correspond substantially to different solid angles of a polyhedron. The LED lamp furthermore has a plurality of LED elements (4.i) which are disposed on the angular carrier sections (2.i).The heat of the individual LED elements (4.i) emanating from the angular carrier section (2.i) is dissipated over the remaining carrier (3.i).
Owner:克里斯多夫·库格雷
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