Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

725results about How to "Improve the use environment" patented technology

Comprehensive measuring and controlling device of high voltage pole tower

The invention relates to a comprehensive measuring and controlling device of a high voltage pole tower, mainly comprising a power supply unit, an intelligent bird driving unit, a flashover and lightning stroke location detection unit, a pole tower inclination detection unit, a pole tower meteorological environment detection unit, a pole tower intrusion alarm unit, an transmission line icing parameter detection unit, a central controller, a wireless transceiving device and a thermostat, wherein the power supply unit comprises two parts which are a solar battery and a wind turbine, the wind turbine also fulfills the functions of wind speed and wind direction detection and is an important component part of the pole tower meteorological environment detection unit, the power supply unit stores collected electric quantity into a storage battery through a collection circuit and supplies the power to the device, and the wireless transceiving device sends information collected in situ to a distant monitor center through a GPRS (General Packet Radio Service) or a wireless local network. The invention can fulfill the functions of intelligent bird driving, flashover and lightning stroke location, pole tower inclination detection, meteorological environment detection, intrusion alarm, icing parameter detection and the like and has strong environment adaptability because the wind power and the solar power generation accord with the environment self-powered requirement, thereby enhancing the maintenance free performance of a system. The device is an important component part of an intelligent power grid, accords with the requirement of intelligent power grid establishment of a national power grid and has higher practical value and wide application prospect.
Owner:中电国科技术有限公司 +1

Electrohydraulic-combined brake control method of battery electric vehicle

The invention discloses an electrohydraulic-combined brake control method of a battery electric vehicle and belongs to the technical field of electric vehicle control. During braking of an electric vehicle, stability of a vehicle body is guaranteed, part of braking energy can be recycled during braking by the aid of reversible power characteristics of a wheel hub motor, charging strategy can be optimized according to the size of electric current generated, kinetic energy consumed during braking can be converted into electric energy to be stored, and the purpose of increasing continuous driving range can be achieved. Relevant signals measured by a sensor and about a brake pedal, travel speed, wheel speed, brake cylinder pressure, battery end voltage, battery charging current, torque of a motor and the like are transmitted to a control system, the status of the vehicle body, wheels and a battery are monitored in real time by a controller, different barking requirements, energy recycling process braking security maintenance are realized by adjusting motor electromagnetic braking torque and hydraulic mechanical braking torque through an electrohydraulic-combined system, and higher efficiency can be achieved in utilization of energy of the electric vehicle.
Owner:嘉兴智德睿控新能源有限公司

Comprehensive energy-saving device for recovery of waste heat of ultrasonic dish-washing machine

The invention discloses a comprehensive energy-saving device for recovery of waste heat of an ultrasonic dish-washing machine. The comprehensive energy-saving device is composed of a flushing and cleaning segment, a round pipe heat exchanger, a heat pipe exchanger, an exhaust outlet, a hot air inlet, a hot water outlet pipe, a flushing water tank and an overflow pipe. Inflow water of the dish-washing machine enters the round pipe heat exchanger first and then enters the efficient phase-change heat-exchange heat pipe exchanger after being heated by overflow water in the round pipe heat exchanger, and the inflow water absorbs heat of hot steam and hot exhaust air from the air side of the evaporation segment on the condensation segment and flows out of the hot water outlet pipe after being further heated. Feedwater is heated by heating pipes in an electric heater to reach a specified temperature after undergoing secondary heat recovery heat exchange by the utilization of waste heat resources, and then the feedwater respectively flows to a cleaning pipe spray nozzle and a water inlet pipe of an ultrasonic washing segment through two paths, so that the requirements for hot water supply and supplement of hot water to the ultrasonic washing segment are met. The comprehensive energy-saving device fully utilizes the waste heat resources of the dish-washing machine, reduces electric heating power, obviously reduces energy consumption of the dish-washing machine, achieves hot water cooling and hot air humidity reducing discharge and is simple in structure and easy to implement.
Owner:YANGZHOU POLYTECHNIC INST

Low temperature type lithium ion battery electrolyte with high temperature property and lithium ion battery

The invention discloses a low temperature type lithium ion battery electrolyte with high temperature property and lithium ion battery. The electrolyte is made by uniformly mixing and confecting electrolytic salt, non-water organic solvent, alkali additive and film-forming additive, the electrolytic salt is mixed lithium salt made by uniformly mixing lithium tetrafluoroborate and lithium bis(oxalate)borate, and the mol ratio of the two is 96-73: 4-27, the concentration of the mixed lithium salt solution formed by the electrolytic salt and the non-water organic solvent is 0.8-1.2mol / L; the alkali additive is heptamethyldisilazane and the mass ratio of the hepatmethyldisilazane and the non-water organic solvent is 0.1-8%; the mass ratio of the film-forming additive and the non-water organic solvent is 0.1-5%; and the lithium ion battery comprises an anode, a cathode, a diaphragm and low temperature type lithium ion battery electrolyte with high temperature property. The invention has reasonable design, simple preparation method steps and convenient implementation, and the prepared electrolyte and lithium ion battery have favourable comprehensive performances.
Owner:XIAN SAFTY ENERGY TECH

On-line broad-spectrum water quality analyzer

The invention provides an on-line broad-spectrum water quality analyzer, which is characterized by comprising an ultraviolet visible light detection device, a near infrared light detection device, a controller in circuit connection with the ultraviolet visible light detection device and the near infrared light detection device respectively, a head shell, a connecting plate connected with the head shell, and a tail shell connected with the connecting plate, wherein the head shell, the connecting plate and the tail shell have sealing structures. Optical devices are hermetically arranged in a sealed inner chamber and are connected by optical fibers simultaneously, so that equipment meets the requirement of on-line underwater using and the using environment of the equipment is further widened; and spectrums of an ultraviolet visible light source and a near infrared light source are combined into a broad spectrum, so that a detection spectrum can cover a wider spectrum range.
Owner:上海衡伟环保工程有限公司

Vehicle navigation method and system and vehicle mobile navigation

The invention discloses a vehicle navigation method. The method comprises the steps of judging GPS positioning status information in current GPS navigation data to determine whether the current GPS navigation data are usable navigation data or not, achieving navigation according to the current GPS navigation data, or, obtaining inertial navigation data according to history GPS navigation records and vehicle running data and achieving navigation according to the inertial navigation data. Therefore, the problem that due to the influence of covering landforms in the GPS vehicle navigation process, vehicle navigation cannot be achieved is solved. The usability and accuracy of vehicle navigation under various landforms and position environments are improved, the service environment of a vehicle navigation system is expanded, and accordingly the reliability and safety of vehicle navigation when vehicle navigation is in use are improved.
Owner:鲍晓东

Method for carrying out automatic monitoring and abnormality alarming on wireless APs (Access Points) by user behavior simulation

The invention provides a method for carrying out automatic monitoring and abnormality alarming on wireless APs (Access Points) by user behavior simulation. The method comprises the following steps that: (1) a wireless AP monitoring instrument is equipped in a monitored wireless AP environment, and monitoring parameters are configured and stored; (2) the wireless AP monitoring instrument is connected with a server through a wired network and is in communication with the server; (3) wireless interfaces are connected with radio-frequency (RF) output terminals of the wireless APs required for being monitored; (4) the wireless AP monitoring instrument detects the semaphores of the monitored wireless APs in real time; and (5) after the monitored wireless APs are not determined to have fault values, the wireless AP monitoring instrument continuously carries out test operations of WLAN (wireless local area network) login, http webpage opening, http downloading and email, and reports an abnormality alarm to the server if abnormalities are discovered in a testing process. The method for carrying out automatic monitoring and abnormality alarming on wireless APs by user behavior simulation has the beneficial effects that the problem in the prior art that an operator can not acquire fault information at the first time after the APs are in fault is solved, and an excellent WLAN service environment can be provided for users.
Owner:SUNWAVE COMM

Silicone rubber composition and preparation method of silicone rubber

The invention provides a silicone rubber composition comprising, a heat conductive composite material, a silane cross-linking agent, and polyether. The heat conductive composite material comprises a silane coupling agent, and titanium oxide coated with zinc hydroxide. The invention also relates to a preparation method of silicone rubber. The silicone rubber composition provided by the invention is easy to prepare and to store. Prepared silicone rubber has advantages of high-temperature resistance, high heat conductivity, stable performance, and good anti-yellowing performance. With the technical schemes provided by the invention, application environment of the silicone rubber composition is extended. Materials manufactured with the silicone rubber composition have good mechanical properties and improved mechanical strengths. With good adhesion of the silicone rubber, sealing performances of manufactured materials are improved. Comprehensive property of the silicone rubber is excellent. With the silicone rubber composition and the preparation method provided by the invention, a basis is established for further development of silicone rubber.
Owner:宁海县集美特电器有限公司

Tracked wheeled transformable wheelchair

A tracked wheeled transformable wheelchair comprises a wheelchair body and a wheel mechanism driving the wheelchair body to move. Two sides of the bottom of the wheelchair body are provided with a track mechanism, a lifting mechanism driving the track mechanism to ascend and descend, and a control system controlling the lifting mechanism to operate. The track mechanism comprises a main track and an auxiliary track. The rear end of the main track and the front end of the auxiliary track share a same track wheel which is hinged to the wheelchair body through a track support. The rear end of the auxiliary track tilts up to the rear of the wheelchair body. The front end of the main track is connected with the wheelchair body through the lifting mechanism. When the tracks are retracted, the wheelchair can travel as a common wheelchair; after the tracks can be manually lowered and tilted, the wheelchair can climb a staircase.
Owner:HENAN UNIV OF SCI & TECH

Production of aluminium by low-temperature electrolytic process and special aluminium electrolytic tank thereof

InactiveCN1673418AHigh conductivityImprove solubility and dissolution rateAluminum electrolysisAluminium oxide
The present invention belongs to the field of non-ferrous metal material, and is especially low temperature aluminum producing process and special aluminum electrolyzing bath. The present invention features the low temperature aluminum electrolyzing process at 700-850 deg.c in molten potassium cryolite salt system with alumina as material. The aluminum electrolyzing bath consists of cathode, wires, anode, electrolytic bath, electrolyte and aluminum liquid collecting tank. The present invention uses molten potassium cryolite salt system as electrolyte with high electric conductivity, great alumina dissolubility and great alumina dissolving rate to overcome the demerits of low temperature aluminum electrolysis. The low temperature aluminum electrolysis creates the condition for using inertial material. The present invention can realize high current efficiency, low power consumption and low cost.
Owner:UNIV OF SCI & TECH BEIJING

Method and system for water treatment and water circulation in ultrasonic detection equipment

The invention discloses a method and a system for water treatment and water circulation in ultrasonic detection equipment. A water treatment and water circulation system is additionally arranged in an electrical contact welding quality ultrasonic nondestructive testing system, namely a measurement water bath of the ultrasonic nondestructive testing system is connected to a first water outlet and a first water inlet of a water pump consisting of two electromagnetic valves, a water storage tank is connected to a second water outlet and a second water inlet of a water pump which consists of another two electromagnetic valves, so that water circulation can be realized by controlling the switching on and switching off of the four electromagnetic valves, namely controlling water supply and water drainage of the measurement water bath and water filling and water drainage of the water storage tank in the measurement process; and a filter is arranged between the water storage tank and the measurement water bath, and is used for purifying water. The method and the system can be used for realizing high-efficiency filling and drainage of ultrasonic coupling medium water, improving the working environment of operators, and guaranteeing the purification quality of the coupling medium water and the accuracy of ultrasonic detection.
Owner:SHANGHAI HIWAVE PRECISION INSTR CO LTD

Image processing method and electronic equipment

The invention discloses an image processing method and electronic equipment. The image processing method is applicable to the first electronic equipment with an image acquisition module and includes: acquiring a first video image through the image acquisition module of the first electronic equipment; identifying the first object in the first video image, and calculating the first parameter of the first object in the first video image; determining the first area in the first video image on the basis of the first parameter; performing first processing on the first area in the first video image to obtain a second video image. By the method, the user, namely the first object, using the first electronic equipment can be determined in the first video image, the first area, namely the image area of the background environment where the user is located, in the first video image is determined according to the first parameter of the first object, the background environment where the user is located can be processed as an unreal or illegible environment, personal privacy such as the environment where the user is located can be prevented from leaking, the application environment of the video call function of the electronic equipment is expanded, and user experience is increased.
Owner:LENOVO (BEIJING) CO LTD

Gas chromatography-ion mobility spectroscopy combined-use equipment

PendingCN109307724AImproved miniaturization and portabilityExpand the use environmentComponent separationSpectroscopyEngineering
The invention discloses gas chromatography (GC)-ion mobility spectroscopy (IMS) combined-use equipment. The equipment includes: a gas chromatography device, which is used for pre-separating a to-be-detected sample to form a pre-separated sample; an ion mobility spectroscopy device, which is in fluid communication with an outlet of the gas chromatography device, and is used for detecting the pre-separated sample; and a circulating gas path module, which is in fluid communication with a discharged-gas interface of the ion mobility spectroscopy device, and is used for processing discharged gas discharged by the ion mobility spectroscopy device. The circulating gas path module is also in gas communication with the gas chromatography device, and is used for delivering partial discharged gas tothe gas chromatography device to use the same as carrying gas to enable the to-be-detected sample to enter the gas chromatography device under the driving action of the carrying gas. According to thegas chromatography-ion mobility spectroscopy combined-use equipment, a miniaturization degree and portability are improved.
Owner:NUCTECH CO LTD +1

Neodymium iron boron rare earth permanent magnet surface anti-corrosion coating and preparation method thereof

The invention belongs to the technical field of surface treatment and particularly relates to a neodymium iron boron rare earth permanent magnet surface anti-corrosion coating and a preparation method thereof. The neodymium iron boron rare earth permanent magnet surface anti-corrosion coating is composed of a bottom coating and a top coating, the thickness of the bottom coating is in a range from 10mum to 25mum, the chemical components of the bottom coating comprise 55% to 65% of one or two types of metals of zinc and aluminum, 0% to 5% of one or a plurality of types of metals of nickel, chromium, molybdenum, neodymium, praseodymium, cobalt and titanium and 34% to 40% of neutral resins, the thickness of the top coating is in a range from 5mum to 15mum, and the chemical components of the top coating comprise 55% to 65% of one or a plurality of types of metals of zinc, aluminum, titanium, molybdenum, nickel, cobalt and chromium and 35% to 45% of phenolic resins or acrylic resins. The preparation method includes that firstly the surface of a permanent magnet is preprocessed, a centrifugal immersion tossing is utilized to prepare the bottom coating, and a rolling spraying process is utilized to prepare the top coating. The neodymium iron boron rare earth permanent magnet surface anti-corrosion coating and the preparation method thereof have the advantages that by means of double layers of coatings, the corrosion resistance is high, the surface binding force is high, the usage temperature is higher than 200 DEG C, the magnetic property of the neodymium iron boron rare earth permanent magnet is improved, the service life is prolonged, and the service environment is widened.
Owner:SHENYANG GENERAL MAGNETIC

Smart home appliance, smart home appliance system and method thereof

InactiveCN105159102AExpand the use environmentReduce Redundancy CostsComputer controlProgramme total factory controlCloud service providerSmart appliance
In order to solve the problem on how to connect a smart device to the platforms of different cloud service providers, the invention provides a smart component for smart home appliances, a smart home appliance, a smart home appliance system and a method thereof. The smart component comprises a controller used for defining a queue data structure, writing status parameters and / or environmental parameters sensed by a sensor in the smart home appliance into the queue data structure in chronological order and creating a process and a socket for each of one or more cloud platforms, and a communication module used for transmitting the status parameters and / or environmental parameters written in the queue data structure to the one or more cloud platforms in parallel by using the processes and the sockets created by the controller. By adopting the smart component, the smart home appliance, the smart home appliance system and the method thereof provided by the invention, the problem on how to connect a smart device to the platforms of different cloud service providers can be solved.
Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1

Mixing battery pack of lead-acid batteries and lithium batteries

The invention belongs to the technical field of batteries, in particular to a mixing battery pack of lead-acid batteries and lithium batteries. The mixing battery pack is characterized in that output ends of a lead-acid battery pack and a lithium battery pack are connected in parallel, and the lead-acid battery pack and the lithium battery pack are restrained at a total voltage part; or a weighting resistor is connected in parallel for restraining at a connecting point of a least common multiple of unit batteries in the lead-acid battery pack and the lithium battery pack so as to ensure that the lead-acid batteries are unitized to protect the lithium batteries, thus the protection is more comprehensive; and the weighting resistor has the function of weighting protection. The mixing battery pack can be jointly charged, and the lithium batteries can also be separately charged and jointly used. The mixing battery pack is used for improving the use environment of the unit batteries in the lithium battery pack, ensures that the lead-acid batteries and the lithium batteries make up for deficiencies and give a full play to respectively advantages and can be widely applied to various occasions using the lead-acid batteries or the lithium batteries.
Owner:ZHEJIANG LUYUAN ELECTRIC VEHICLE

Method for preparing capsaicin microcapsule

The invention discloses a method for preparing capsaicin microcapsules. The method of the present invention uses melamine as a raw material, reacts with formaldehyde aqueous solution under alkaline conditions to obtain a melamine-formaldehyde resin prepolymer; emulsifies an organic solution of capsaicin and an emulsifier composed of a surfactant to obtain a capsaicin emulsion; and then Using melamine-formaldehyde resin prepolymer as wall material and capsaicin emulsion as core material, capsaicin microcapsules were prepared by in-situ polymerization under acidic conditions. The yield of the capsaicin microcapsules obtained by the preparation method of the invention is greater than 86.9-90.2%, the drug loading capacity is 18.4-24.7%, and the encapsulation rate is 88.5-94.3%. Compared with the prior art, the capsaicin microcapsules obtained by the preparation method of the present invention mainly have the following advantages: avoiding the strong irritation generated during use, greatly improving the use environment, meeting the requirements of green environmental protection, and the reaction process is safe and convenient. The drug dosage and encapsulation rate are high, and it is suitable for industrial production.
Owner:SHANGHAI CHEM REAGENT RES INST

Additive of printing paste as well as preparation method and using method of additive

ActiveCN103556502AImprove the use environment and production environmentHigh yieldDyeing processChemistryPropylene glycol
The invention provides an additive of printing paste as well as a preparation method and a using method of the additive. The additive can be used for solving the problems in the prior art that dust flying exists, a product is easy to aggregate during dissolution and cannot be fully dissolved, and a stirring mixed material has relatively poor uniformity. Polyethylene glycol, propylene glycol, glycerin and triethanolamine in the additive have certain viscosity, can be mixed and dissolved in water, but cannot dissolve sodium alginate, and therefore, after the additive is added, the additive cannot damage the viscosity of the printing paste, also does not enable the sodium alginate to aggregate due to swelling and is beneficial to the improvement of the dispersibility of the sodium alginate in water. The additive has certain moisture absorption and is adhered to the surfaces of particles, and the tiny particles are spliced together through the additive, so that the dust flying is avoided, and the uniformity of the mixed material is improved.
Owner:QINGDAO BRIGHT MOON SEAWEED GROUP

Apparatus and method for controlling position of display in wearable device

Disclosed herein is an apparatus for controlling a position of a display in a wearable device, including: a display module having the display movably mounted therein; and a movement compensating unit controlling a position of the display depending on movement of a user. Therefore, a smooth image compensation effect may be obtained, the user may accurately confirm contents displayed on the display, a focus of a line of sight of the user viewing the display may be fixed to one place, and fatigue of the user may be decreased to expand a use environment of the wearable device.
Owner:SAMSUNG ELECTRO MECHANICS CO LTD

Graphene radiating material and preparation method thereof

The invention discloses graphene radiating material and a preparation method thereof. The graphene radiating material comprises agent A and agent B mixed well at a mass ratio of 1:1, the agent A comprises the following components, by weight: 40-60% of fluorocarbon resin, 30-50% of a mixed solvent, 5-15% of graphene, 0.5-1.5% of a leveling agent, and a 0.5-1.5% of a dispersant; the agent B comprises a mixed solvent and a curing agent at a mass ratio of 10:1. The prepared coating has the advantages such as high thermal conductivity coefficient, high thermal radiation coefficient, god radiating effect, acid and alkali tolerance, salt spray tolerance, impact resistance and high matrix adhesion, and the radiating material is widely applicable and usable.
Owner:DEYANG CARBONENE TECH

Diesel engine sequential turbocharging structure with anti-surge function

The invention aims at providing a diesel engine sequential turbocharging structure with an anti-surge function. The diesel engine sequential turbocharging structure comprises a diesel engine body, a turbosuperchager, an intercooler, a release valve, an air valve and a fuel valve, wherein the turbosuperchager comprises a basic supercharger and a controlled supercharger, worm wheels of the basic supercharger and the controlled supercharger are respectively connected with an A line of exhaust manifolds and a B line of exhaust manifolds of the diesel engine body, compressors of the basic supercharger and the controlled supercharger are connected with the intercooler, the intercooler is connected with a gas inlet manifold of the diesel engine body, the A line of exhaust manifolds is communicated with the B line of exhaust manifolds through an exhaust communicating pipe, the release valve is arranged between the compressor of the basic supercharger and the intercooler, the air valve is arranged between the compressor of the controlled supercharger and the intercooler, and the fuel valve is arranged between a worm wheel of the controlled supercharger and the B line of exhaust manifolds. According to the invention, the surge of the basic supercharger can be eliminated, and the use environment of the basic supercharger is effectively improved.
Owner:HARBIN ENG UNIV

Transparent sound-absorption film surface hydrophobic self-cleaning coating and preparation method thereof

The present invention discloses a transparent sound-absorption film surface hydrophobic self-cleaning coating preparation method, wherein nanometer silica is adopted as base particles, other polymer additives are added to improve a hydrophobic effect, and a mixed slurry is sprayed onto a porous polycarbonate sound-absorption surface. The preparation method comprises the following steps: carrying out an ultrasonic cleaning treatment on a porous polycarbonate sound-absorption film, adopting silicon tetraacetate and KH-570 as raw materials to prepare modified nanometer silica particles, mixing a certain amount of polyvinylidene difluoride, N,N-dimethylformamide and butanone according to a certain ratio to prepare a polyvinylidene difluoride mixing solution, mixing a certain amount of the nanometer silica particles and the polyvinylidene difluoride mixing solution, spraying the obtained mixed solution on the porous sound-absorption surface, and drying to form the coating. The transparent sound-absorption film surface hydrophobic self-cleaning coating has a high water contact angle, has high light transmittance, and can not block a micro-pore structure of the sound-absorption surface.
Owner:NANJING UNIV OF SCI & TECH

Wind power dedusting system for rolling process of cigarettes factory

The invention discloses a wind power dedusting system for a rolling process of a cigarettes factory. The wind power dedusting system comprises a deduster connecting pipe, a plurality of branch wind pipes and a plurality of pieces of rolling and packing equipment, wherein each piece of rolling and packing equipment is connected with a branch wind pipe; the wind power dedusting system also comprises a wind compensating pipe with a wind compensating silencer and a main wind pipe; the deduster connecting pipe and the wind compensating pipe are respectively communicated with the main wind pipe; the main wind pipe is respectively communicated with each branch wind pipe through a pipe collector; and the wind compensating pipe is provided with a control valve which is used for automatically switching on to compensate wind when a certain branch wind pipe is stopped. The wind power dedusting system can concentrate wind power for supply, and ensure stable wind quantity, wind pressure and wind speed; the pipeline design is more standardized and unified; and the effective operability and the yield of the rolling and packing equipment are improved, the production cost is reduced and the service environment of workers is improved.
Owner:长沙赛普尔自动化工程设备有限公司

Control method of gas water heater and gas water heater

The invention relates to a control method of a gas water heater and the gas water heater. The gas water heater comprises a gas heating unit. The gas heating unit communicates with a water inlet pipe and a water outlet pipe. An electric heater used for conducting fast heating on inlet water is arranged on the water inlet pipe. When the thermal load of the gas heating unit reaches the maximum value and the water outlet temperature does not reach the set value, the electric heater on the water inlet pipe is started to conduct fast heating on the inlet water, the operating power of the electric heater is adjusted according to the water outlet temperature detection value, and accordingly the water outlet temperature reaches the set value. Through the arrangement and the control method, the purposes that the electric heater is controlled, and auxiliary electric heating is conducted on water flowing through the water inlet are achieved, the water inlet temperature of the gas water heater is remarkably increased, the power of the gas water heater is improved, and the application environment of the gas water heater is broadened. Meanwhile, the gas water heater is simple in structure, the control method is concise, the effect is remarkable, and the control method of the gas water heater and the gas water heater are suitable for application and popularization.
Owner:QINGDAO ECONOMIC & TECHN DEV ZONE HAIER WATER HEATER

Modified aliphatic superplasticizer and preparation method thereof

The invention relates to a modified aliphatic superplasticizer and a preparation method thereof. The prepared aliphatic superplasticizer has high water-reducing rate, small concrete slump loss and good cement adaptability. The preparation method of the modified aliphatic superplasticizer comprises the following steps of: (1) modifying agent preparation: dissolving acrylamide, sodium sulfite and water through heating, and slowly dripping formaldehyde in one hour; thermally insulating for 3 hours after the dripping is finished, cooling and discharging to obtain a sulfomethylation acrylamide modifying agent; (2) modified aliphatic superplasticizer preparation: stirring the sodium sulfite with water to dissolve; dripping acetone in half an hour; adding initiating agent solution which is prepared in advance; slowly dripping formaldehyde which accounts for about 1 / 3 of the total volume; then, quickly dripping the residual formaldehyde and the modifying agent, finishing the dripping in an hour, and continuously retaining heat for 2 hours; and finally, adding water to cool and discharging to obtain the brownish red liquid modified aliphatic superplasticizer.
Owner:NANJING RUIDI HIGH TECH

SiCf/SiC composite material flame tube and automatic preparation method thereof

The invention discloses an automatic preparation method of a SiCf / SiC composite material flame tube. The preparation method comprises the following steps: preparing an interface layer from SiC fibersby adopting chemical vapor deposition, so as to obtain SiC fibers with a continuous interface layer; performing unidirectional tape laying and filament winding on the SiC fibers with the continuous interface layer according to the fiber volume and fiber orientation obtained by simulation calculation, so as to obtain net size forming preform; performing densifying treatment on the obtained preformby adopting a reactive melt infiltration process and the chemical vapor deposition process; preparing an environmental barrier coating on the surface of the obtained preform; finally, continuously preparing a thermal barrier coating on the surface, thereby fully intelligently obtaining the high-density SiCf / SiC composite material flame tube. The SiCf / SiC composite material flame tube prepared withthe method disclosed by the invention has the characteristics of high temperature resistance and long service life and also has the advantages such as low thermal expansion coefficient, high thermalconductivity, high thermal shock resistance and excellent mechanical property. Meanwhile, the preparation method is high in degree of automation, short in production cycle, low in cost and controllable in quality.
Owner:CENT SOUTH UNIV

High-anti-yellowing silicon rubber compound and preparation method thereof

The invention discloses a high-anti-yellowing silicon rubber compound which is characterized by comprising the following raw materials by weight: 100 parts of raw silicon rubber, 1-20 parts of hydroxy silicone oil, 20-70 parts of white carbon black, 0.1-3 parts of zinc stearate used as an inner release agent, 1-10 parts of hydrogen-containing silicone oil and 0.01-0.5 part of pyrophosphoric acid used as an anti-yellowing assistant. The invention also discloses a preparation method of the high-anti-yellowing silicon rubber compound. The high-anti-yellowing silicon rubber compound and the preparation method have the advantages that on the basis of not reducing the physical and mechanical properties of the silicon rubber compound, the high-anti-yellowing silicon rubber compound is good in anti-yellowing capability, good in processability and good in physical and mechanical properties.
Owner:阳江市小天星实业有限公司 +1

Method for detecting response image based on mobile terminal, mobile terminal and detection carrier

The invention discloses a method for detecting a response image based on a mobile terminal, the mobile terminal and a detection carrier. The method for detecting the response image based on the mobile terminal, the mobile terminal and the detection carrier are mainly designed to solve the problems that an existing professional detecting instrument is single in detecting item, high in requirement for detecting environment, and not flexible. The mobile terminal is used for obtaining the response image, the mobile terminal is used for analyzing and processing the obtained response image or a long-distance background server is used for analyzing and processing the response image, and then the response image is output to obtain a detection result. According to the method for detecting the response image based on the mobile terminal, the mobile terminal and the detection carrier, the mobile terminal is used for replacing professional analytical equipment to obtain the response image on the detection carrier, therefore, detection cost is lowered, and detection convenience is improved.
Owner:王曙光 +1
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products