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

1263results about How to "Fast startup" patented technology

Integration testing method and system based on Docker

The invention relates to the technical field of computers, in particular to an integration testing method and system based on the Docker. The integration mode of a Docker container is adopted, all integration testing components are deployed in the Docker, and a Docker integration testing environment is formed; a script command line menu is utilized, and the integration testing components are called through an RPC protocol to complete test of modules with different functions. In this way, integration tests in a development stage can be greatly facilitated, hardware cost of the tests can be reduced, and the mode is suitable for being popularized to serve as the testing environment of all departments in a company or a testing department; in addition, sharing inside the company can be facilitated due to Docker mirror images, transfer and expansion can be easily achieved, and containers of the components can be quickly operated based on the Docker mirror images.
Owner:广州云标局网络科技有限公司

Zero-carbon-emission hydrogen production system by methanol water reforming as well as application and hydrogen production method thereof

The invention discloses a zero-carbon-emission hydrogen production system by methanol water reforming and application and a hydrogen production method thereof. The hydrogen production system comprises a methanol water storage vessel, a delivery pump, a first heat exchanger, a reformer and a carbon dioxide recovery device, wherein the reformer is provided with a reforming chamber, an electromagnetic heater and a hydrogen purification device; the electromagnetic heater provides heat energy for the reforming chamber; the reforming chamber is used for hydrogen production reaction of methanol and water by reforming to obtain carbon dioxide and hydrogen; carbon dioxide and hydrogen are mixed with water vapor to form high-temperature mixed gas, and the high-temperature mixed gas is delivered into the hydrogen purification device; after purification and separation, hydrogen is delivered out, at the same time carbon dioxide and unreacted water vapor mixed gas are also delivered out, and then carbon dioxide and unreacted water vapor mixed gas are delivered into the carbon dioxide recovery device after passing through the first heat exchanger; the carbon dioxide recovery device is a replaceable modular carbon dioxide recovery device and used for recovering carbon dioxide and part of the water vapor. The zero-carbon-emission hydrogen production system provided by the invention can recover carbon dioxide, has no impact on the environment and causes no harm to the hydrogen production system self and is beneficial for popularization and application in the field of new energy resources such as fuel cell cars.
Owner:GUANGDONG HYDROGEN ENERGY SCI & TECH

Method and system for dynamically loading component

The invention discloses a method and a system for dynamically loading a component. The method comprises the following steps of: storing components of different functional modules under an application program into different file folders, and storing storage routes corresponding to the components into a configuration file; when the application program is started, reading the configuration file, loading necessary components of a system framework of the application program, loading the components of the functional modules according to the storage routes of the components of the functional modules in the configuration files when a request of a user for calling the functional modules under the application program is received, and caching the components in a memory. According to the method and the system, the components are divided according to the functional modules; when the application program is started, only the components required by the least number of users are loaded, so that the speed of initializing the system is increased, the memory occupancy is reduced, and the running efficiency of the system is improved.
Owner:SHENZHEN LAN YOU TECH

Android running environment realization method based on non-virtualized system architecture

The invention belongs to the field of computer basic software and relates to an Android running environment realization method based on a non-virtualized system architecture. According to the method,an Android running environment is constructed on an existing Linux kernel and recorded as xDroid, and an Android application framework and an Android running time library are migrated to a standard Linux kernel. The xDroid does not need the virtualization technology but stands from a basic library and a basic running mechanism provided by a desktop operating system kernel, an Android bottom running supporting library needed for Android application running is realized layer by layer from bottom to top, then efficient migration of the Android running time library is realized, and the Android running environment is realized on a desktop operating system platform. Compared with a virtualization-based technology, ecological complete fusion of desktop applications and Android applications is realized in a true sense through the xDroid, and the applications are high in starting speed and high in performance; and meanwhile realization is based on different platforms, so that cross-platform running is easy to realize.
Owner:北京麟卓信息科技有限公司

Method and device for starting application software

The invention provides a method and device for starting application software. The method includes that a naming space icon corresponding to the application software is generated for the application software, and a preloading configuration table of the application software is set; a shortcut of the naming space icon is configured to be in the mode that when an operation system is started or a desktop of the operation system is refreshed, a module of the application software and / or a resource file of the application software are / is loaded into a memory of the operation system according to the preloading configuration table; when the application software is started, the preloaded module of the application software and / or the resource file in the memory are / or called. According to the method and device, time used for loading the assembly and / or the resource file when the software is started can be saved, the starting speed of the application software is improved, and the method and device are suitable for all application software and can improve user experience.
Owner:BEIJING QIHOO TECH CO LTD +1

Method for increasing booting speed of computer

ActiveCN101814038AFast startupSolve the problem of slow speed in the startup phaseInput/output to record carriersProgram loading/initiatingData needsDisk sector
The invention discloses a method for increasing a booting speed of a computer. The method comprises the following steps of: setting data needing to be pre-read for booting of the computer and creating a list file of the data to be pre-read; according to the list file, reading designated pre-read contents from a magnetic disk by a private interface, buffering the designated pre-read contents in a reserved space(memory), intercepting magnetic disk reading / writing operation, if the related magnetic disk sectors of the reading / writing operation have intersection sets with the magnetic disk sectors in which the pre-read contents A are located, according to a relationship recorded in the first space, finding out positions corresponding to the sectors of the intersection set from the reserved space, and directly operating the contents related to the sectors of the intersection set and needing the reading / writing operation according to the corresponding positions in the reserved space. In the method, the actual magnetic disk reading / writing operation is unnecessary, but the reserved space reading / writing operation is just performed, so that the reading / writing operation of the magnetic disk is reduced, and the booting speed of the system is increased.
Owner:HANGZHOU SHUNWANG TECH

Method and device for starting application program and client side

InactiveCN103345405ADoes not affect the kernel loading processRespond quickly and showProgram loading/initiatingClient-sideApplication software
The invention provides a method and device for starting an application program and a client side. A file corresponding to the application program comprises an application program executive file, at least one core file and an interface file, wherein the application program executive file is provided with a UI module and an agent module. The method comprises the following steps: starting the application program executive file to create a main thread according to a user command, loading the UI module and the agent module to generate the showing interface of the application program, loading the at least one core file to create a core of the application program through the main thread, and conducting communication between the core and the UI module through the agent module and the interface file so as to complete initialization. The starting method quickens the starting speed, shortens waiting time of a user and promotes user experience.
Owner:BEIJING CHEETAH MOBILE TECH CO LTD +4

Application accelerating method and device

The invention provides an application accelerating method and device. The method comprises the steps that a list of applications to be accelerated of a mobile terminal is obtained; the applications to be accelerated in the list of applications to be accelerated are monitored; when it is monitored that any application to be accelerated is started, the partial internal storage occupied by progresses except fixed progresses is released, and the fixed processes include a system progress which cannot be terminated and / or an application progress which cannot be terminated according to a user order. The released partial internal storage is used for accelerating the applications to be accelerated. According to the application accelerating method, the internal storage occupied by other progresses can be released, the application started at current is accelerated, and the effects of accelerating the application starting process and improving the application running fluency are achieved.
Owner:BEIJING QIHOO TECH CO LTD +1

Multi-task parallel starting optimization of built-in operation system

InactiveCN1818868ATake advantage of time-sharing processing capabilitiesPowerful time-sharing processing abilityMultiprogramming arrangementsProgram loading/initiatingOperational systemTime-sharing
A multi-task parallel startup optimization multitask realization method of embedded operating system, the invention is defining the powerful time-sharing processing ability of the mobile embedded CPU, as the start of the embedded operating system, parallel startup some tasks that are without correlative dependence in turn synchronously, read the file of the saving system after the essence bootstrap and startup tasks in some groups synchronously, start the tasks according to the order of the task-sign until all the tasks finish startup in the same groups, every system task can parallel startup task according to the guiding relation of the tasks, that not only save the system resource but also save the total startup time of the embedded operating system.
Owner:ZHEJIANG UNIV

Intelligent control system for high power LED lighting lamp

The invention relates to an intelligent control system of a high power light emitting diode lighting fixture and essentially comprises a high power LED lighting source, an environmental monitoring sensor, a lighting fixture state monitoring sensor, a sensor driving circuit, an LED driving circuit, a microgram control unit, a circuit control unit and driving power supply; wherein, the environmental monitoring sensor and the lighting fixture state monitoring sensor are respectively connected with the input end of the microgram control unit which is connected with the circuit control unit which is respectively connected with the sensor driving circuit and the LED driving circuit which respectively drives the environmental monitoring sensor and the lighting fixture state monitoring sensor; the LED driving circuit is connected with the high power LED lighting source. The intelligent control system has the advantages that external situations can be timely detected through the monitoring system of the environment and lighting fixture states to control the on and off states or adjust the lighting brightness, which effectively reduces the energy consumption and prolongs the service life of the lighting fixture.
Owner:GUANGDONG REAL FAITH OPTO

Method and apparatus for fuel/air preparation in a fuel cell

A fast start-up catalytic reformer for producing hydrogen-rich reformate from hydrocarbon fuel includes a reactor having an inlet for receiving a flow of fuel and a flow of air, a reforming catalyst disposed within a reforming chamber in the reactor, and an outlet for discharging the produced reformate stream. An ignition device within the reactor tube ignites a first lean mixture in combustion mode to generate exhaust gases to warm the catalyst which also warms the wall of the reactor adjacent the catalyst. The reactor then switches over to a rich fuel / air mixture during reforming mode. A jacket concentrically surrounds the reactor, defining a mixing chamber therebetween which communicates with the reforming chamber via openings in the wall of the reactor. Fuel entering the reformer in combustion mode is injected directly into the reforming chamber to provide rapid warming of the catalyst. Fuel entering the reformer in reforming mode is sprayed onto the outside of the reactor in the mixing chamber, preferably in the heated region of the tube for very rapid vaporization.
Owner:APTIV TECH LTD

Fuel cell-lithium battery hybrid power heat management system and operation method

The invention discloses a fuel cell-lithium battery hybrid power heat management system and an operation method. The system comprises a fuel cell air supply system, an air flow channel, a cooling water flow channel, a water-cooled lithium battery pack, a heating resistance wire, a cooling water tank, a water-cooled fuel cell, one-way electromagnetic valves and an electric control module, wherein the fuel cell air supply system provides the fuel cell with fuel; and cooling water is heated by electricity discharged by lithium batteries and passes through the fuel cell, and the temperatures of various temperature sensors are judged through the electric control module to open the corresponding electromagnetic valves to achieve control on switches of different flow channels, thereby achieving management on the heat of a fuel cell-lithium battery hybrid power system. The cold starting performance of the fuel cell is improved and the starting speed of the fuel cell is improved when the environment temperature is relatively low; and the lithium batteries can be heated through the heat released by the fuel cell to reach appropriate temperatures for charging and discharging. When the environment temperature is relatively high, the lithium batteries can also be cooled.
Owner:BEIJING UNIV OF TECH

Integrated chip type oxygen sensor and manufacturing method thereof

The invention relates to the technical field of integrated chips used for zirconium oxide sensors, in particular to an integrated chip type oxygen sensor and a manufacturing method thereof. The integrated chip type oxygen sensor comprises a zirconium oxide substrate, wherein the zirconium oxide substrate consists of an upper layer of zirconium oxide substrate and a lower layer of zirconium oxide substrate; an external surface of the upper layer of zirconium oxide substrate is provided with a measuring electrode, and an internal surface of the upper layer of zirconium oxide substrate is provided with a reference electrode and a long and narrow gap; an internal surface of the lower layer of zirconium oxide substrate directly contacts the long and narrow gap, and an alumina ceramic insulating layer is coated on an external surface of the lower layer of zirconium oxide substrate; the alumina ceramic insulating layer is directly integrated with a platinum heating element; a heating electrode plate and the platinum heating element are directly connected together on the external surface of the zirconium oxide substrate; and the outermost layer of the zirconium oxide substrate is provided with a porous ceramic protective layer. The integrated chip type oxygen sensor provided by the invention is only provided with two layers of zirconium oxide substrates and integrated with the heating elements, and has the advantages of thin thickness, and simple preparation method, high production efficiency and high stability.
Owner:CHANGZHOU LAMBDA ELECTRONICS

MVR heat pump evaporation system

The invention discloses an MVR heat pump evaporation system, which comprises a water vapor compression system, an evaporator, a separator, an energy storage water tank and a waste heat recovery system. The vapor outlet of the energy storage water tank and the vapor outlet of the separator are both in connection with the vapor inlet of the water vapor compression system, the vapor outlet of which is connected to the vapor inlet of the evaporator. The vapor outlet of the evaporator is connected to the vapor inlet of the separator, and the stock solution inlet and the concentrated solution outlet of the evaporator are both in connection with the waste heat recovery system. The MVR heat pump evaporation system provided by the invention recovers low grade waste heat, i.e. makes use of the energy storage water tank to convert hot water sensible heat into low-pressure vapor latent heat for recycling during starting, thus enhancing the start-up speed of the system, avoiding the influence of non-condensable gas air circulation in the system on compressor performance, recovering all the latent heat of secondary vapor generated in a solution evaporation process, saving primary energy, greatly reducing the energy consumption during solution evaporation, and avoiding pollution.
Owner:TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI

Quick start method of X86 flight control computer

A quick start method of an X86 flight control method belongs to a quick start method of an X86 architecture computer system. For a CPU of an X86 system structure, the initial start stage is generally in the real mode working environment, and the CUP can only access 100MB of memory size, while users can only access 575KB. Normally, a VxWorks system is started through secondary boot, and the application system is started after the operating system is loaded, so that the start needs longer time. In the invention, the VxWorks operating system is cut, the urgent task and the non-urgent task of the application program are directly loaded on to a full function VxWorks system image VxWorks_rom at one time, and simultaneously, the urgent task of the application program is loaded; and by utilizing a linker and a loader of VxWorks, and the symbol table technology, the non-urgent task modules of the operating system and the application program are dynamically loaded after the system is started, thereby greatly improving the start speed of key application program of the flight control computer. The invention provides a realistic application background for the quick start of control computers in the critical safety systems in the field of aerospace and the like.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Vehicle-mounted intelligent system with virtual instrument and information entertainment terminals

The invention provides a vehicle-mounted intelligent system with a virtual instrument and information entertainment terminals. The vehicle-mounted intelligent system comprises a uniprocessor platform, the virtual instrument and the information entertainment terminals, the virtual instrument and the information entertainment terminals operate in an Xen virtualization system on the uniprocessor platform, the Xen virtualization system can divide the uniprocessor platform, and the uniprocessor platform is made to support concurrent operating of a plurality of operation systems. A plurality of interaction devices on the uniprocessor platform are distributed to the different operation systems to be scheduled and used through being mapped to different addresses. The vehicle-mounted intelligent system with the virtual instrument and the information entertainment terminals integrates the virtual instrument and the information entertainment terminals, and the operation systems of the information entertainment terminals are independent and are not interfered. The virtual instrument can be loaded preferentially, and starting speed is high. The operation systems operate on the uniprocessor platform based on a virtual technology, the occupied space can be reduced, system cost and complexity can be lowered, and reliability can be improved.
Owner:ZHEJIANG ZHONGKE AUTOROCK AUTOMOBILE ELECTRONICS

Constant-pressure multiple-effect evaporation condensation sea water desalination device with air medium

The invention discloses a constant-pressure multiple-effect evaporation condensation sea water desalination device with an air medium, which mainly comprises a low-and-medium temperature heat source (13), a first-stage heating evaporator (14), an evaporation condenser (4) and a last-stage condenser (8). The first-stage heating evaporator (14), the evaporation condenser (4) and the last-stage condenser (8) are installed in sequence closely, and the low-and-medium heat source (13) and the first-stage heating evaporator (14) are connected together. The first-stage heating evaporator (14), the evaporation condenser (4) and the last-stage condenser are all formed by combining a plurality of heat exchange plates which are arranged from left to right in sequence, and a gap is reserved between every two adjacent heat exchanging plates to form a flow channel for heat exchange fluid. By adopting the plate-type heat exchange principle, the sea water desalination device realizes multiple-effect air humidification and dehumidification evaporation and condensation for sea water desalination under constant pressure. Heat and moisture transfer is performed between sprayed sea water and overflowing air, and the condensation latent heat of fore effect heat and moisture air can be absorbed at the same time, and therefore, energy recovery is realized and the fore effect heat and moisture air can be condensed to obtain fresh water.
Owner:GUANGDONG FIVESTAR SOLAR ENERGY

Method and device for backing up boot program

The invention discloses a method for backing up a boot program, which is used for realizing backup of the boot program and improving the reliability of system startup. The method comprises the following steps: obtaining a main boot program in a first memory area according to the default or recorded identification information in the first memory area, and starting up the main boot program, wherein the first memory area is the current memory area; after the main boot program is successfully started up, recording the identification information in the first memory area; and backing up the main boot program in the first memory area to a second memory area in the same memory. The invention also discloses a method for upgrading a boot program, which is used for realizing upgrading of the boot program. The method comprises the following steps: determining whether the boot program is needed to be upgraded after the main boot program in the first memory area is started up; if so, obtaining upgrading information; and upgrading the boot program backed up to the second memory area according to the obtained upgrading information. The invention also discloses a device for realizing the method.
Owner:ZTE CORP

Apparatus for comprehensively utilizing coal mine to ventilate mash gas

A device for the coal ventilation gas comprehensive utilization, a reactor outlet end with the same structure is connected into a U-shape reactor through a heat taking device; the entrance of the reactor is filled with a honeycomb heat retaining mass; the outlet end is a catalyst bed layer; an electric heater is arranged between the heat retaining mass outlet end and the catalyst bed layer; the entrance of the raw gas is provided with a valve set for controlling the conversion of the current direction in the reactor; the raw gas enters the reactor, and generates the catalytic combustion on the catalyst bed layer; a saddle type bed temperature distribution is realized in the reactor by processing the periodic switch through the current direction of the reaction gas, the burning end gas is fetched out by the heat taking device. The invention has higher heat reclaim efficiency; when the concentration of the methane in the ventilation gas and the flow of the ventilation gas change, the high efficiency selfheating operation can be realized.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Quick starting optimizing method based on X86 platform Vxworks operation system

The invention discloses a quick starting optimizing method based on an X86 platform Vxworks operation system. The method comprises the following steps of (1) BIOS execution and (2) Vxworks loading and starting. According to the step of BIOS execution, after a computer is powered on and started, POST, initialization setting, execution of resident programs are carried out in sequence, a bootstrap program is started by calling an INT19 file in the system, a Vxworks file in the system is read directly and is analyzed after the bootstrap program is started, then an computer operation mode is switched to a protection mode from a real mode, and data and codes after analysis of the file are uploaded to assigned memory addresses respectively. According to the steps of Vxworks loading and starting, after uploading of the data and uploading of the codes are finished, the data and the codes skip to the position of a memory address e_entry corresponding to an ELF format file header to begin to be executed, the operation system is uploaded and started directly, and application programs are executed. According to the quick starting optimizing method based on the X86 platform Vxworks operation system, the method of uploading the system through bootrom in the prior art is changed, and the starting time is shortened to 3 seconds from original 20 seconds to 30 seconds.
Owner:XIAN RITRONTEK ELECTRONICS TECH

Application accelerating method and device for embedded operation system

The invention provides an application accelerating method and device for an embedded operation system. The method comprises the steps that after an accelerating command input by a user is received, an application oriented to the accelerating command in the embedded operation system is determined as an application to be accelerated; optimization configuration is carried out on the application to be accelerated, and thus the application to be accelerated is subjected to accelerated starting according to the optimization configuration, wherein the optimization configuration at least comprises one of virtual machine optimization configuration, memory optimization configuration and central processing unit(CPU) optimization configuration. By application of the application accelerating method and device for the embedded operation system, the starting and running speed of an application preferred by the user can be increased, and thus the user experience can be improved.
Owner:QINGDAO HISENSE MOBILE COMM TECH CO LTD

Control method for photovoltaic grid-connected inverter on basis of back-stepping sliding-mode control

The invention relates to a control method for a photovoltaic grid-connected inverter on the basis of back-stepping sliding-mode control. The control method is technically characterized in that direct current voltage Udc of a photovoltaic side bus is collected, a mathematical model of a photovoltaic grid-connected single-phase voltage full-bridge inverter is set up, a tracking error of a control variable uac is set, a back-stepping sliding-mode control model of the photovoltaic grid-connected single-phase voltage full-bridge inverter is set up, and the single-phase photovoltaic grid-connected inverter is controlled according to the mathematical model and the back-stepping sliding-mode control model of the photovoltaic grid-connected single-phase voltage full-bridge inverter. The control method is reasonable in design, a back-stepping method and a sliding-mode control method are combined, the stable state and the dynamic property are good, and the control method is suitable for linear and non-linear loads and adapts to engineering application reality, provides a new thought for the inverter control system design and has the good engineering application prospect.
Owner:TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Starting method and system for application container

The invention relates to a starting method for an application container and a starting system for the application container. The method comprises the following steps of creating the application container required for application operation, and configuring an operating environment; installing applications required for operation; creating a catalogue for storing a checkpoint file; starting the applications required for the operation; starting a thermophoresis module to freeze the application container and application processes after the applications required for the operation are completely started; storing resources, used the application container and the applications and collected by the thermophoresis module, in the checkpoint catalogue; firstly creating the application container required for the application operation and then reading checkpoint data stored in a hard disk in the process of starting the application container again; parsing the checkpoint data, restoring the required resources of the application container, restoring the processes of the required applications, and starting the application container. The system comprises an application operation module, a first storage restoration module, a second storage restoration module and a data storage module. The method and the system provided by the invention have the advantage that the startup of the application container is accelerated by utilization of an application container thermophoresis technology.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI +1

Method for producing electrode of sodium polysulfide/bromine novel energy storage cell

An electrode process method for multiple Na / Br sulfide type energy storage battery is to mix carbon loading transition metal catalyst and perfluorinated sulfonic acid resin uniformly to be coated on the supporting carbon paper or felts as the negative pole, and mix carbon loading Pt catalyst and perfluorinated sulfonic acid resin evenly to be coated on carbon paper or felts as the positive pole. The inverted electrodes have rather high mechanical strength, good conductance.
Owner:DALIAN RONGKE POWER

Exoskeleton carrying power-assisted robot

The invention discloses an exoskeleton carrying power-assisted robot which comprises a back bracket, a central controller, exoskeleton upper limb components and exoskeleton lower limb components, wherein the central controller is fixedly mounted on the rear side of the back bracket; the two lower limb components of the same structures are respectively mounted on two sides of the back bracket; hip joint power devices are mounted at connections of the back bracket of a waist power-assisted robot and exoskeleton lower limbs; and shoulder joint power devices are mounted at exoskeleton shoulders. The hip joint power devices and the shoulder joint power devices consist of transmission devices, harmonic reducers, disk type motors and angle sensors; the angle sensors are used for measuring angle values of joints, and the central control device controls the corresponding joints to move according to the measured angle values; the exoskeleton lower limbs comprise exoskeleton thighs, exoskeleton shoes and expansion and retraction devices and can achieve a certain supporting effect on the back bracket; and exoskeleton upper limbs comprise exoskeleton upper arms, exoskeleton lower arms and elbow joint self-locking mechanisms.
Owner:苏州奥格瑞玛仓储设备有限公司

Waste gas treatment process and fluidized-bed bioreactor used for same

The invention provides a waste gas treatment process and a fluidized-bed bioreactor used for the same. The waste gas treatment process comprises the processes such as waste gas pressurization, waste gas reaction, waste gas separate-circulation and waste gas separate-emission; and waste gas is subjected to circular fluidization and enforced mass transfer in the reactor to be fully reacted with microorganisms at the temperature of between 15 and 40 DEG C. The provided fluidized-bed bioreactor used for the waste gas treatment process consists of a shell, a gas distributor, a guiding cylinder, a cap, a gas-liquid separator, a seal cover, and longitudinal sampling ports at different positions of the shell; and the guiding cylinder and the cap separate the inner cavity of the reactor into a lifting area, a reduction area and a separation area, so that the waste gas is circularly fluidized between the lifting area and the reduction area, and three phases, namely gas, liquid and solid, strengthen the mass transfer function. The concentration range of pollutants treated by the process and the fluidized-bed bioreactor is wide, the reaction efficiency is high, the reaction time is short, and the reactor occupies small area, and is quick to start and difficult to block.
Owner:CHINA PETROCHEMICAL CORP +1

Test method for starting of modular multi-level multi-terminal flexible direct-current transmission system

The invention relates to a test method for starting of a modular multi-level multi-terminal flexible direct-current transmission system. The system comprises a plurality of modular multi-level converters connected in parallel. Each of the converters is corresponding to a convertor station and comprises a plurality of sub-modules. The method is characterized in that when any far-end convertor station is unlocked, the input number of the sub-modules is reduced gradually till the normal operation number is reached after double of the number of normal operation sub-modules is input, so that a charging equivalent circuit is free of jumping during unlocking of the station.
Owner:STATE GRID CORP OF CHINA +2

Catalytic combustion inerting oil tank device and method thereof

The invention discloses a catalytic combustion inerting oil tank device and a method thereof. According to the method, a mixture composed of fuel steam and gas on the upper portion of an oil tank is pumped out and then mixed with the outside air, the mixture enters a catalytic reactor to conduct flameless combustion after being subjected to electric heating and temperature rising through a preheater, carbureted hydrogen in the fuel steam is oxidized to be carbon dioxide and water, gas flowing out of a catalytic reactor outlet is firstly cooled, most water is removed, then the gaseous water vapor is removed out of the gas through two adsorbers working in an intermittent mode, then the gas returns to the upper portion of the oil tank to conduct flushing and inerting, or the gas enters a washing injector to be mixed with fuel to enter the bottom of the oil tank to conduct washing and inerting on the fuel. By the adoption of the technical scheme, fuel steam is converted to be carbon dioxide through a catalytic combustion technology to inert the oil tank, so that the requirement for the gas source purity is low, high-pressure gas guide is not needed, preheating of a film separation device is not needed, and the catalytic combustion inerting oil tank device is high in starting speed, short in inerting time, simple in device structure and and high in reliability.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Printing and dyeing wastewater autotrophic denitrification denitriding device and method

The invention provides a printing and dyeing wastewater autotrophic denitrification denitriding device and method, and belongs to the technical field of printing and dyeing wastewater treatment. NO3--N (nitric nitrogen) in water is reduced into N2 via autotrophic denitrifying bacteria by taking reduced sulfur and iron as the electron donor, so that denitriding is realized. According to the printing and dyeing wastewater autotrophic denitrification denitriding device and method, through the combined packing of pyrite and sulphur and the optimum mixture ratio, the advantages of high nitrogen removal efficiency and little changes in effluent pH are achieved, and in addition, the advantages of high starting speed, no inoculated sludge and long backwashing period are also achieved; moreover, according to the TN (Total Nitrogen) condition of secondary effluent of a printing and dyeing wastewater treatment plant, the scheme that the device operates when TN exceeds the standard and stops operating when TN is up to the standard is adopted, so that secondary effluent can directly skip over the device to enter the next treatment unit or be directly discharged, and the advantages of flexible operation mode and low operating cost are achieved.
Owner:UNIV OF SCI & TECH BEIJING +2
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