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43results about How to "Flexible heating method" patented technology
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Baking oven and control method thereof
InactiveCN105433747AFlexible heating methodGood cooking effectSteam cooking vesselsRoasters/grillsCooking & bakingProcess engineering
The invention provides a baking oven and a control method thereof. The baking oven comprises a control assembly and multiple heating devices. A pre-set program is arranged in the control assembly. The multiple heating devices differ in heating manners. The control method of the baking oven comprises following steps: setting cooking parameters of the baking oven; and controlling the heating devices to heat during a cooling process according to cooking parameters and controlling the heating devices to work during a heating phase of the cooking process by the control assembly. The control method of the baking oven provided by the invention can control the multiple heating devices so that flexible control over heating manners is achieved. Therefore, the cooking process can be well controlled based on cooked food and cooking parameters such that cooked food tastes better.
Owner:GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD +1
GMT sheet production system for teaching experiments
The invention discloses a GMT sheet production system for teaching experiments. The production system comprises a conveying system, a heating and baking system (a), a heating and dipping system (b) and a cooling and shaping system (c), wherein the conveying system is provided with a lower conveying belt (9), and the heating and baking system (a), the heating and dipping system (b) and the cooling and shaping system (c) are connected in sequence through the lower conveying belt (9); the heating and baking system comprises a heating oil tank (15) and a heating pressing plate assembly, and the heating pressing plate assembly is composed of an upper heating pressing plate (1) and a lower heating pressing plate (2); the heating and dipping system comprises at least one heating and dipping assembly, and each heating and dipping assembly is composed of an upper heating compression roller (4) and a lower heating compression roller (5); the cooling and shaping system comprises at least one cooling and shaping assembly, and each cooling and shaping assembly is composed of an upper cooling compression roller and a lower cooling compression roller. The production system is small in occupied area, low in cost, capable of achieving the effects of even heating and sufficient dipping and quite suitable for teaching research.
Owner:HUNAN UNIV
Heating device for preparing fiber-reinforced polymer-based composite material
InactiveCN103963317AEvenly heatedFlexible heating methodElectrical resistance and conductanceHeating oil
The invention relates to a heating device for preparing a fiber-reinforced polymer-based composite material. The heating device comprises a heating press plate assembly formed by an upper heating press plate and a lower heating press plate, and a transmission belt penetrating through the space between the upper heating press plate and the lower heating press plate, wherein a shaping press roller assembly is arranged on the outer side of the transmission end part of the transmission belt; an upper heating press roller and a lower heating press roller are arranged between the heating press plate assembly and the shaping press roller assembly; the transmission belt penetrates through the space between the upper heating press plate and the lower heating press plate; a heating oil tank is further arranged on the heating device; a plurality of electric heating pipes are mounted inside the upper heating press plate and the lower heating press plate. According to the invention, the resistance heating and the oil temperature heating are integrated; the oil channel variation and the electric heating pipes are controlled, so that the heating temperature can be controlled in a combined manner; heat can be transmitted to a heating material in a contact-type heating manner, the heating manner is flexible and high in efficiency, and the material can be uniformly heated; the upper and lower heating press plates can be used for heating the material while pre-pressing the material, so that the base felt impregnating effect is improved.
Owner:HUNAN UNIV
EDTA (Ethylene Diamine Tetraacetic Acid) low-temperature cleaning aid and application thereof
ActiveCN102367576AFlexible heating methodEvenly heatedMetallic material coating processesEthylene diamineEther
The invention belongs to the field of chemical cleaning of boilers, and provides an aid for reducing chemical cleaning temperature of EDTA (Ethylene Diamine Tetraacetic Acid) and application of the aid. The EDTA low-temperature cleaning aid comprises the following components in percent by weight: 43-47 percent of nonylphenol polyethylene glycol ether, 18-22 percent of octylphenol polyoxyethylene ether and the balance of water, wherein the polymerization degree of the nonylphenol polyethylene glycol ether is 9-11, and the polymerization degree of the octylphenol polyoxyethylene ether is 9-11. After 1-1.5 percent of EDTA low-temperature cleaning aid provided by the invention is added to an EDTA cleaning solution, the cleaning temperature is reduced to 75-85 DEG C from 135-140 DEG C of the traditional process, so that the heating more is more flexible and heating is more uniform, and the average corrosion speed is reduced by 50 percent. The EDTA low-temperature cleaning aid provided by the invention is simple, convenient and safe in process.
Owner:兰州陇能电力科技有限公司 +1
Air source heat pump water dispenser and heating method thereof
ActiveCN104534655AReduce dissipationImprove utilization efficiencyWater heatersSolenoid valveWater storage tank
The invention provides an air source heat pump water dispenser and a heating method of the water dispenser. The water dispenser comprises a water inlet unit, an air source heat pump unit, a condensation water tank, a water storage tank, a solenoid valve assembly and an instant heating unit, the air source heat pump unit is connected with the condensation water tank, the water inlet unit, the condensation water tank and the water storage tank are connected through the solenoid valve assembly, and the instant heating unit is arranged between the water storage tank and a drinking water outlet. The air source heat pump technology is introduced into the water dispenser, air energy among low-grade energy is fully utilized, the utilization way of the low-grade energy is expanded, dissipation of heat energy is reduced, and the utilization efficiency of electric energy is improved.
Owner:BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
Screw-type extrusion system and 3D printer comprising same
PendingCN108327252AImprove performanceFlexible heating method3D object support structuresApplying layer meansEngineering3d printer
The invention provides a screw-type extrusion system and a 3D printer comprising the same. The screw-type extrusion system comprises a machine barrel, a spray head detachably mounted at the lower endof the machine barrel, a threaded rod rotatably mounted in the machine barrel, one or more heating devices arranged around the outer wall of the machine barrel, and a cooling device arranged around the outer wall of the machine barrel and adjacent to the spray head. By adopting the extrusion system, materials entering the machine barrel can be heated quite flexibly, and especially, the materials can be heated to the quite high temperature in the middle of the machine barrel, so that molecular chains of the materials are fully opened, then the materials are rapidly cooled to the predetermined temperature in the position adjacent to the spray head, and accordingly the materials have viscosity suitable for extrusion forming.
Owner:TSINGHUA UNIV
Cooling system of high concentration solar generating battery assembly
ActiveCN101867329AReduce the temperatureExtended service lifePhotovoltaicsPhotovoltaic energy generationHigh concentrationEvaporation
The invention relates to a cooling system of a high concentration solar generating battery assembly for rapidly reducing the temperature of a high concentration solar battery assembly with high efficiency and improving the photoelectric conversion efficiency of a high concentration solar battery provided with a cooling device by 35 percent from 13 percent at present. The cooling system comprises a high concentration device, a solar battery assembly and an oscillating-flow heat-pipe heat radiator which is integrally packaged with the solar battery assembly, wherein an evaporation section is formed at one end of the oscillating-flow heat-pipe heat radiator close to the solar battery assembly and made from a high-thermal-conductivity material containing a U-shaped microchannel, a condensation section is formed at the other end of the oscillating-flow heat-pipe heat radiator, and a condensation section heat pipe is abutted on a U-shaped microchannel opening of the evaporation section to form a mutually communicated loop, is arranged in atmospheric environment and naturally cooled by an outdoor airflow. The whole cooling system is not provided with motion parts, does not need external mechanical power for heat transfer and has simple structure, great equivalent transferring heat, high efficiency, low price and long service life.
Owner:SHANDONG TIANLI DRYING TECH & EQUIP
Aluminum alloy seal structure local flame heating ultrasonic braze welding method
ActiveCN104625289AReduce heatFlexible heating methodHeating appliancesWelding/soldering/cutting articlesLiquid stateFree cooling
The invention discloses an aluminum alloy seal structure local flame heating ultrasonic braze welding method which is used for conducting sealing and braze welding encapsulation on aluminum alloy cavities of built-in electronic components. The aluminum alloy seal structure local flame heating ultrasonic braze welding method comprises the first step of polishing and clearing an aluminum alloy surface of a joint to be brazed through abrasive paper; the second step of placing low-temperature Sn-based brazing filler metal on one side of the lap joint end of an aluminum alloy sealing surface; the third step of conducting local reciprocating heating on the brazing filler metal through gas flame flow to make the brazing filler metal melt and maintain a liquid state, and no heating on parent metal; the fourth step of applying ultrasonic vibration on a cavity of the aluminum alloy to be welded; the fifth step of finishing sealing the test piece through natural cooing after the ultrasonic vibration is finished. According to the aluminum alloy seal structure local flame heating ultrasonic braze welding method, overall heating is not conducted when the aluminum alloy seal structure is welded, local heating is conducted only on the brazing filler metal area, heating on a sealing element is extremely small, and the electronic components in the sealing element are not affected by heat. The aluminum alloy seal structure local flame heating ultrasonic braze welding method has the advantages of being simple in technology, high in welding efficiency, and suitable for the engineering application.
Owner:SOUTHWEST JIAOTONG UNIV
Water heater and heating element thereof
InactiveCN102374649AFlexible heating methodShorten heating timeWater heatersEngineeringHeating element
The embodiment of the invention discloses a water heater and a heating element thereof, which relate to the field of household appliances, can be flexibly combined to heat, and are applicable to the requirements of different users. The heating element is used for heating water in the inner container of the water heater, and comprises a top layer of heating tubes which are arranged at the top part of the inner container, an intermediate layer of heating tubes which are arranged in the middle of the inner container, and a bottom layer of heating tubes which are arranged at the bottom of the inner container. The water heater comprises the inner container and the heating element for heating water in the inner container, wherein the heating element comprises the top layer of heating tubes which are arranged at the top part of the inner container, the intermediate layer of heating tubes which are arranged in the middle of the inner container, and the bottom layer of heating tubes which are arranged at the bottom of the inner container. The water heater and the heating element thereof disclosed by the invention are applicable to water storage heating household appliances.
Owner:HAIER GRP CORP +1
Automatic control energy-saving floor heating system
InactiveCN108895522AHeating optionalSave electricityHeating fuelLighting and heating apparatusElectricityPower controller
The invention discloses an automatic control energy-saving floor heating system which is characterized by comprising an electric floor heating module, a branch line module, a main line module and a wireless temperature controller which are connected in sequence. The electric floor heating module includes a plurality of electric floor heating units, the branch line module includes a plurality of branch connecting units, each electric floor heating unit is independently connected with one branch connecting unit, and the branch connecting unit includes a branch power line, a branch signal line, asignal receiver and a power supply controller. One end of the branch power line is connected with the electric floor heating module, the other end is sequentially connected with the power supply controller, the signal receiver and the main line module; one end of the branch line module is connected with the power supply controller, and the other end is sequentially connected with the signal receiver and the main line module. The automatic control energy-saving floor heating system can achieve local and selective heating while being capable of performing overall heating; compared with a floorheating system in the prior art, the automatic control energy-saving floor heating system can save electric energy by about 20%-60%, and automation and energy saving effects are better.
Owner:天狼联盟材料科技研究(广东)有限公司
Electromagnetic wave or microwave emitting device for infrared lossless road disease detection
ActiveCN110095502AFlexible heating methodHeating fastMaterial flaws investigationMicrowaveElectromagnetic electron wave
The invention discloses an electromagnetic wave or microwave emitting device for infrared lossless road disease detection. The device comprises an infrared camera, a rotation device and a shielding device, the shielding device comprises a first side radome and a second side radome, the first and second side radomes are positioned in the two sides of the rotation device respectively, the infrared camera is positioned above the rotation device, and the rotation device forms a box type device with the bottom. The device is flexible in the heating manner and highly adaptive, electromagnetic heating or microwave heating can be selected according to different road materials, the electromagnetic waves or microwave can be used to heat the road material rapidly and efficiently by means of magneticgathering and reflection effects, and the problem that the pavement material has strict requirements for heating manner and temperature in infrared lossless road detection technology is solved.
Owner:HEFEI UNIV OF TECH
Adjustable light condensation plate drying device and using method thereof
InactiveCN107166941AChange the direction of reflectionFlexible heating methodDrying gas arrangementsDrying solid materialsLight reflectionEngineering
The invention provides an adjustable light condensation plate drying device and a using method thereof. The adjustable light condensation plate drying device comprises an air supply device, a heat exchanger, a light condensation plate, an air homogenizing device and a driving mechanism; the air homogenizing device is provided with an air inlet and an air outlet, the air supply device corresponds to the air inlet and blows air into the air homogenizing device through the air inlet, and the air is exhausted through the air outlet of the air homogenizing device so as to dry external materials; the heat exchanger is arranged on the air inlet, the light condensation plate has a light reflection face corresponding to the heat exchanger, the light reflection face can receive sunlight and reflect the sunlight to the heat exchanger so as to heat the heat exchanger, and the heat exchange can heat the air entering the air homogenizing device through the air inlet; and the driving mechanism is connected with the light condensation plate, can drive the light condensation plate to move and is used for changing the light reflection direction of the light reflection face. By means of the adjustable light condensation plate drying device, sun energy can be used for heating the air through the heat exchanger, and energy is further saved; and meanwhile, the adjustable light condensation plate drying device has the beneficial effects of being flexible in use and high in automation degree.
Owner:SHANDONG QIQUAN ENERGY TECH CO LTD
Environment-friendly efficient extraction tank
InactiveCN113493723AReduce frictionImprove stabilityEssential-oils/perfumesProcess engineeringMechanical engineering
The invention discloses an environment-friendly efficient extraction tank, and belongs to the technical field of essential oil extraction, the environment-friendly efficient extraction tank comprises a placing rack, an extraction tank body, a defoaming system, a reflux system, a door opening and closing system, an extraction liquid discharge system, a self-locking system and a plurality of pipelines, the extraction tank body is mounted on the placing rack, the defoaming system is mounted on the extraction tank body, the reflux system is mounted on the side of the placing frame and is communicated with the defoaming system through a pipeline, the other end of the reflux system is communicated with the extraction tank body through a pipeline, the extraction liquid discharge system is mounted at the bottom of the extraction tank, and the door opening and closing system is mounted in the extraction tank body. The self-locking system is installed at the bottom of the extraction tank body, it is guaranteed that an opening and closing door locks the bottom of the tank body, the service life of the opening and closing door is prolonged, meanwhile, working efficiency is improved, energy is saved, and backflushing gas in the tank is prevented from escaping from the connecting position to pollute the air environment of a workshop.
Owner:ZHEJIANG JINAN PHARMA MACHINERY
Composite heating type heat storage soldering iron
ActiveCN110508895AAvoid dissipationFlexible heating methodHeating appliancesSoldering ironConductor CoilElectric wire
The invention discloses a composite heating type heat storage soldering iron which comprises a hollow soldering iron core, wherein a soldering iron head is arranged at one end of the soldering iron core, the other end of the soldering iron is connected with a handle, an inner heating wire is arranged inside the hollow soldering iron core, an inner heating electric wire is connected to a position,near the inner heating wire, of the inner heating wire, a hollow heat storage metal block is arranged on the exterior of the soldering iron core in a sleeving manner, an external heating wire is arranged on the exterior of the soldering iron core in a winding manner, and the external heating wire is positioned inside the hollow chamber of the heat storage metal block. The composite heating type heat storage soldering iron provided by the invention has a simple structure, has various heating ways, is fast in heating and affected little by the environment, and is convenient to use.
Owner:DATANG QITAIHE POWER GENERATION +1
Multiple-feeding-port and multiple-seal combined internal and external heating fluidized bed pyrolysis and gasification system
ActiveCN105861068AOptimized designFeed system optimizationChemical industryBiofuelsTarScrew conveyor
The invention discloses a multiple-feeding-port and multiple-seal combined internal and external heating fluidized bed pyrolysis and gasification system, and belongs to the technical field of waste pyrolysis and gasification. The system comprises a material feeding unit, a fluidized bed pyrolysis and gasification unit, a cyclone separator, a cyclone separator discharging pipe, a circulating returning device, a discharging valve and a solid product collecting tank. The material feeding unit comprises a double-valve locking hoper feeder, a rotary valve feeder and a screw conveyor. The fluidized bed pyrolysis and gasification unit comprises a gas inlet system, a lifting pipe and a heater. Materials are added through the bottom and upper portion of the lifting pipe and the upper portion of the circulating returning device, and one or more non-mechanical valves or mechanical valves or screw conveying devices are adopted between the lifting pipe and the cyclone separator discharging pipe to ensure material sealing between the lifting pipe and the discharging pipe. An electro-magnetic induction or microwave or electric heating and efficient heat preservation layer is adopted on the outer portion of the lifting pipe. The overall pyrolysis and gasification efficiency and the product gas heat value are greatly improved, the tar content of product gas is reduced, and no dioxin or other pollutants are contained in the product gas.
Owner:BEIJING UNIV OF CHEM TECH
Method for preparing D-erythrose from biomass saccharides
InactiveCN104558063AWide range of choicesNarrow distributionSugar derivativesChemical industryChemical compoundFine chemical
The invention belongs to the technical field of biomass conversion and chiral synthesis and particularly relates to a method for preparing D-erythrose from biomass saccharides. According to the invention, the biomass saccharides are adopted as the raw materials, and under the aqueous phase condition and the alkaline environment, the raw materials are catalyzed to obtain the D-erythrose. The method is has the following characteristics: the type of the biomass saccharides is more, the initial concentration range of the biomass saccharides is wide, the heating manner is flexible, the basicity range of a catalyst is wide, and the single chirality of the catalyst is realized; the operation is simple and convenient, equipment is simple, energy is saved, the aftertreatment is convenient, and both the percent conversion and the selectivity are high. As the D-erythrose is regarded as one of important platform chemical compounds at present, a series of products with wide application ranges can be obtained through chiral conversion and achiral conversion, can serve as midbodies of fine chemical engineering and pharmacy, and has huge economical value and broad application prospects. Therefore, through the method for efficiently preparing a great amount of D-erythrose from the biomass saccharides, large-scale industrialized production is expected to realize.
Owner:FUDAN UNIV
Wind power heating system
InactiveCN103836702AFlexible heating methodLow running costLighting and heating apparatusElectric heating systemInstabilityEngineering
A wind power heating system comprises a wind power generator, an electric heating device, a temperature sensor and a temperature control system, and is characterized in that the wind power generator is connected with the electric heating device through one power transmission wire, the electric heating device is composed of a fixed electric heating layer, a heat storage layer and the temperature sensor, the temperature sensor is arranged on the heat storage material layer of the electric heating device, one end of the temperature control system is connected with the fixed electric heating layer on the electric heating device through another power transmission wire, and the other end of the temperature control system is connected with the temperature sensor through a thermocouple wire. The wind power heating system has the advantages that the system is flexible in heating mode, low in operation cost, nearly free of cost and environmentally friendly; a resident power grid does not need to be connected for heating, work voltage is relatively low, and safety and reliability are achieved; the heat storage layer can effectively and slowly release heat, so that large temperature changes caused by intermittent and unstable wind energy can not happen during heating.
Owner:阜阳市爱尔森橡塑密封有限公司
Household multi-functional drying rack
PendingCN112107242ADries faster and more efficientlyApplicable environmentCarpet cleanersKitchenware cleanersHome useEngineering
The invention discloses a household multi-functional drying rack including a supporting frame, a heating component, a tray and a main hanging rod; the heating component is rotationally connected withthe supporting frame, the heating component at least includes a vertical working state and a horizontal working state, and a heat conduction groove is formed in the heating component; the tray is connected with the heating component in a heat conduction manner, a clamping foot is arranged at the bottom of the tray and is matched with the heat conduction groove, and the clamping foot is higher thanthe heat conduction groove; water filtering holes are formed in the tray; and the main hanging rod is connected with the supporting frame and is located above the heating component. Due to the reasonable design of the drying rack, an electric heating technology is fully applied to kitchen and bath home life; a brand-new heat conduction heating module is formed through connection and cooperation among the supporting frame, the heating component, the tray and the main hanging rod, thereby obtaining an innovative small household appliance product with a wider application range.
Owner:杭州启尚智能家居有限公司
Local Flame Heating Ultrasonic Brazing Method of Aluminum Alloy Sealing Structure
ActiveCN104625289BReduce heatFlexible heating methodHeating appliancesWelding/soldering/cutting articlesLiquid stateFree cooling
Owner:SOUTHWEST JIAOTONG UNIV
Communicated heat-locking device
InactiveCN101532734ASimple structureFlexible heating methodSolar heat devicesSolar thermal energy generationEngineeringThermal efficiency
The invention discloses a communicated heat-locking device. The top of an internal valve box body (1) is provided with an upper air inlet port (3), the bottom of the internal valve box body (1) is provided with an air inlet cap (2) with a lower air inlet pore (4), a piston is formed by arranging a piston cap (7) on a piston boit (8) and is arranged in the internal valve box body (1) with the support from a spring (5), the piston cap (7) seals the upper air inlet port (3), and the piston boit (8) extends out of the lower air inlet cap (2); the bottom of an external valve box body (9) is provided with a lower exhaust hole (11), the top of the external valve box body (9) is provided with an upper exhaust ring (10) with an upper exhaust hole (12), the internal valve box body (1) is arranged in the external valve box body (9) with the support from a spring (6), and the piston boit (8) extends out of the lower exhaust hole (11) of the external valve box body (9). The heat-locking device of the invention has the advantages of simple structure, combination of air exhaust and air admittance, flexible heat-locking mode, reduced heat lost, improved heat efficiency and excellent heat insulation effect.
Owner:沈滇宝
A method of using an infrared non-destructive flaw detection device for modified asphalt pavement
ActiveCN110095503BFlexible heating methodAchieve aggregationMaterial flaws investigationActivated carbonRoad surface
Owner:HEFEI UNIV OF TECH
Asphalt mixture transportation method for expressway
The invention discloses an asphalt mixture transportation method for an expressway. The asphalt mixture transportation method comprises the steps that the number of material transportation vehicles iscalculated, an advance route is determined, the material transportation vehicles are preheated, lubricant is sprayed, vehicles are loaded, heat preservation is conducted, transportation is conducted,and cleaning is conducted, the number of the material transportation vehicles is determined according to production capacity, transport time, consumption and the like of a mixing plant, safety reserve vehicles are increased, and occurrence of material stopping of paving is avoided. Material transportation vehicle pre-heating, lubricant spraying, heat preservation and other measures can minimize probability of segregation of an asphalt mixture, and the effects of improving the quality of asphalt pavement, prolonging the service life of the pavement, and lowering the cost of later maintenance are realized.
Owner:河北交规院瑞志交通技术咨询有限公司
A method of transporting asphalt mixture for expressways
The invention discloses a method for transporting asphalt mixture for expressway, which comprises the steps of counting the number of transport vehicles, determining the traveling route, preheating the transport vehicles, spraying lubricant, loading, heat preservation, transportation, cleaning and the like. The number of transport vehicles is determined according to the production capacity, transportation time and consumption of the mixing plant, and additional safety reserve vehicles can avoid paving material breakage. Measures such as preheating of the transport vehicle, spraying lubricant and heat preservation can minimize the probability of segregation of the asphalt mixture, improve the quality of the asphalt mixture, improve the quality of the asphalt pavement, prolong the service life of the pavement and reduce the maintenance cost in the later period effect.
Owner:河北交规院瑞志交通技术咨询有限公司
Electromagnetic heating plate, and electromagnetic range and control method thereof
ActiveCN112020165AFlexible heating methodsSimple circuit connectionInduction heating controlInduction heating apparatusPhysicsThermal circuit
The invention relates to an electromagnetic heating plate. The electromagnetic heating plate comprises a plurality of heating units arranged corresponding to a heating area, each heating unit comprises at least two connecting arms used for being electrically connected with other heating units and a driving mechanism used for driving the connecting arms to rotate. The driving mechanism can drive the connecting arms to rotate to the connecting positions where the connecting arms are connected with the connecting arms of the other heating units, and the outer end of each connecting arm is provided with a connecting piece capable of being electrically connected with the other connecting arms. The electromagnetic heating plate is convenient to realize connection of different heating loops. Theinvention relates to an electromagnetic range which comprises a shell and an electromagnetic heating plate arranged in the shell, a heating area of the electromagnetic range is controllable, and low-power control is stable and reliable. The invention further relates to a control method of the electromagnetic range, the heating loop data set is read, and the driving connecting arm is controlled torotate to the corresponding position according to the data in the heating loop data set to form the heating loop. According to the control method of the electromagnetic range, the heating area and theheating power are accurately controlled.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD
A method for preparing broadband reflective cholesteric liquid crystal thin films by photothermal response technology
ActiveCN112433404BDoes not affect planar textureExcellent light-to-heat conversion performanceNon-linear opticsPolyvinyl alcoholUltraviolet lights
The invention discloses a method for preparing broadband reflective cholesteric liquid crystal film by photothermal response technology. Copper sulfide nanoparticles modified by polyvinyl alcohol were first synthesized, and the nanoparticle aqueous solution was drip-coated on a glass substrate and dried on a hot stage to make a photothermal film, and the glass substrate with this photothermal film was used as a liquid crystal One side of the cell is made into a liquid crystal cell with photothermal response performance to the near-infrared light band. Mix nematic liquid crystal, chiral compound, polymerizable monomer, and photoinitiator uniformly according to a certain mass ratio to obtain cholesteric liquid crystal, pour it into the prepared liquid crystal cell with photothermal response performance, and place it in the near-infrared laser Under the irradiation, the sample is irradiated with ultraviolet light at the same time, so that the polymerizable monomer is polymerized during the heating process, and broadband reflection is realized. The preparation method of the copper sulfide nanoparticles modified by polyvinyl alcohol and the liquid crystal cell with photothermal response performance of the present invention is simple, and different heating speeds can be realized by modulating the intensity of the near-infrared laser, and has the advantages of strong flexibility and low price .
Owner:UNIV OF SCI & TECH BEIJING
A device for non-destructive detection of infrared road damage by emitting electromagnetic or microwave
ActiveCN110095502BFlexible heating methodHeating fastMaterial flaws investigationMicrowaveEngineering
The invention discloses a device for non-destructive detection of infrared road diseases by emitting electromagnetic waves or microwaves, which includes an infrared camera, a rotating device and a shielding device. The shielding device includes a first side shield and a second side shield. The first side shield and the second side shield are respectively located on both sides of the rotating device, the infrared camera is located directly above the rotating device, and the rotating device constitutes a bottomless box-shaped device. The heating method of the present invention is flexible and adaptable. It can decide whether to use electromagnetic induction heating or microwave heating according to the different pavement materials, and uses electromagnetic waves or microwaves to quickly heat pavement materials efficiently by using the magnetic concentration and reflection effects, and solves the problem of infrared road heating. In non-destructive testing technology, pavement materials have strict requirements on heating methods and temperatures.
Owner:HEFEI UNIV OF TECH
A kind of method utilizing biomass sugar to prepare d-erythrose
InactiveCN104558063BWide range of choicesNarrow distributionSugar derivativesChemical industryChemical compoundSugar
The invention belongs to the technical field of biomass conversion and chiral synthesis and particularly relates to a method for preparing D-erythrose from biomass saccharides. According to the invention, the biomass saccharides are adopted as the raw materials, and under the aqueous phase condition and the alkaline environment, the raw materials are catalyzed to obtain the D-erythrose. The method is has the following characteristics: the type of the biomass saccharides is more, the initial concentration range of the biomass saccharides is wide, the heating manner is flexible, the basicity range of a catalyst is wide, and the single chirality of the catalyst is realized; the operation is simple and convenient, equipment is simple, energy is saved, the aftertreatment is convenient, and both the percent conversion and the selectivity are high. As the D-erythrose is regarded as one of important platform chemical compounds at present, a series of products with wide application ranges can be obtained through chiral conversion and achiral conversion, can serve as midbodies of fine chemical engineering and pharmacy, and has huge economical value and broad application prospects. Therefore, through the method for efficiently preparing a great amount of D-erythrose from the biomass saccharides, large-scale industrialized production is expected to realize.
Owner:FUDAN UNIV
Household multifunctional drying rack
PendingCN111973129AAchieve conductionHeating distance can be adjusted continuouslyDrying machines with local agitationDrying machines with materials at restDaily livingEngineering
The invention discloses a household multifunctional drying rack. The household multifunctional drying rack comprises a supporting frame, a heating piece, a shoe supporting frame and a main hanging rod. The heating piece is rotationally connected with the support frame; the heating piece at least comprises a vertical working state and a horizontal working state; a heat conduction groove is formed in the heating piece, the shoe supporting frame is connected with the heating piece in a heat conduction mode, clamping feet are arranged on the shoe supporting frame and matched with the heat conduction groove, the main hanging rod is connected with the supporting frame, and the main hanging rod is located above the heating piece. Through reasonable design of the drying frame, the electric heatingtechnology is fully applied to daily life scenes, a brand-new heat conduction heating module is formed through connection and cooperation of the supporting frame, the heating piece, the shoe supporting frame and the main hanging rod, the heating, drying and storage effects on objects, especially shoes, are achieved, and the application range is wide.
Owner:杭州启尚智能家居有限公司
Communicated heat-locking device
InactiveCN101532734BSimple structureFlexible heating methodSolar heat devicesSolar thermal energy generationEngineeringThermal efficiency
The invention discloses a communicated heat-locking device. The top of an internal valve box body (1) is provided with an upper air inlet port (3), the bottom of the internal valve box body (1) is provided with an air inlet cap (2) with a lower air inlet pore (4), a piston is formed by arranging a piston cap (7) on a piston boit (8) and is arranged in the internal valve box body (1) with the support from a spring (5), the piston cap (7) seals the upper air inlet port (3), and the piston boit (8) extends out of the lower air inlet cap (2); the bottom of an external valve box body (9) is provided with a lower exhaust hole (11), the top of the external valve box body (9) is provided with an upper exhaust ring (10) with an upper exhaust hole (12), the internal valve box body (1) is arranged in the external valve box body (9) with the support from a spring (6), and the piston boit (8) extends out of the lower exhaust hole (11) of the external valve box body (9). The heat-locking device of the invention has the advantages of simple structure, combination of air exhaust and air admittance, flexible heat-locking mode, reduced heat lost, improved heat efficiency and excellent heat insulation effect.
Owner:沈滇宝
Low-carbon environment-friendly heating method for crude oil
InactiveCN114017931ALow costFlexible heating methodSolar heating energySolar heat storageExtreme weatherThermodynamics
The invention relates to a low-carbon environment-friendly heating method for crude oil, through the heating mode that a solar heater serves as a main part and an electric heater serves as an auxiliary part and the integrated design of a heat storage heat reservoir module, heating and heat storage can be conducted independently through the solar heater, dual heating and heat storage can also be conducted through the solar heater and the electric heater, even under the extreme weather condition, the electric heater can independently charge heat to the heat storage heat reservoir in the off-peak electricity period or other periods, it is guaranteed that enough heat sources are used for heating crude oil, the energy storage heating mode is more flexible and diversified, the crude oil heating cost is lower, the heating mode is greener and lower in carbon, the working efficiency is higher, and the overall modular design is simpler.
Owner:博尔滋曼新能源科技(上海)有限公司
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