37results about How to "Reduce startup time" patented technology

The invention relates to a magnetic suspension bearing control system and method and refrigeration equipment, and the system comprises a magnetic suspension bearing control module which is used for controlling a magnetic suspension bearing; the battery management module is electrically connected with the magnetic suspension bearing control module; and the master control module is respectively connected with the magnetic suspension bearing control module and the battery management module and can control the battery management module to store electric energy when the voltage of the magnetic suspension bearing control module is excessive and supply power to the magnetic suspension bearing control module when the power supply of the magnetic suspension bearing control module is insufficient. According to the technical scheme of the magnetic suspension bearing control system, through cooperative work of the battery management module and the master control module, the stability, the energy-saving performance and the response speed of the system are enhanced, the service life of equipment is effectively prolonged, and the maintenance cost is reduced. The integrated solution provides a safer, more reliable and more economical operating environment for high-performance and high-precision mechanical equipment.

The utility model provides an on-line piston automatic assembly table for automobile brake calipers, which comprises a main body, and the top of the main body is fixedly connected with an assembly component and a stamping assembly component. The motor is used for driving the lead screw to rotate, the threaded block can be matched with the sliding rail and the sliding block to move on the lead screw in a threaded mode, then the machining platen is driven to move transversely, continuous stamping assembly can be conducted on the piston and the calipers in the containing groove, the continuous stamping assembly can achieve the uninterrupted production process, and the production efficiency is improved. The production plan can be quickly adjusted to meet the requirements of customers on products with different specifications and adapt to the production of the products with different specifications by utilizing different specifications of the placement grooves, the downtime caused by model change is reduced, the diversified market requirements are further met, and the market competitiveness is improved. The device is suitable for production of products of different specifications, and is beneficial for enterprises to expand product lines and markets.

The invention relates to a ZYNQ-based multichannel AD9361 controller and a control method, and relates to the technical field of digital signal processing. Comprising an ARM processing system and a programmable logic system, and a controller module and a signal processing algorithm module are arranged in the programmable logic system; the controller module comprises an AD9361 controller 1 arranged in the ARM processing system, and an AD9361 controller 2, an arbiter, an AXI controller and a data distributor which are arranged in the programmable logic system, and further comprises independent SPI interfaces and independent GPIO interfaces which are in one-to-one correspondence with the AD9361 chips; the AD9361 controller 1 and the AD9361 controller 2 apply for a data transmission control right to the arbiter according to a control demand; each independent SPI interface and each independent GPIO interface are respectively connected with an SPI pin and a GPIO pin of the corresponding AD9361 chip; the ARM processing system and the programmable logic system are interconnected through an AXI bus. The circuit can be externally connected with a plurality of AD9361 chips, and supports multi-channel parallel control.

The present invention relates to a fixing device and an image forming apparatus, which can shorten a start-up time of the fixing device and improve an energy saving effect by effectively utilizing heat of a reflection plate without taking heat of a fixing member even in a case where a steam chamber having high heat conductivity is used for a nip forming member. It includes: a fixing belt which is annular and rotatable; a pressure roller which is opposed to the fixing belt and is provided to be rotatable; a heater which is provided inside the fixing belt and heats the fixing belt; a nip forming member which is provided inside the fixing belt and includes a steam chamber which forms a nip in opposition to the pressure roller; a reinforcing member which is provided inside the fixing belt and supports the nip forming member; and a reflection plate which is provided between the heater and the reinforcing member, reflects heat from the heater toward the fixing belt, and the steam chamber included in the nip forming member is in contact with the reflection plate through a heat conducting member.

The utility model discloses a train fault linear array photographing device placed on parallel rail surfaces and having a self-cleaning function, belongs to the technical field of photographing devices, and aims to solve the problems that a traditional train fault linear array photographing device is unreasonable in arrangement height and poor in cleaning adaptability to an image acquisition area during working. A line scanning imaging system and a control and data processing unit are installed in the protection shell, the control and data processing unit is used for controlling the line scanning imaging system to conduct image collection and sending collected images to a terminal after conducting primary processing on the collected images, and a self-cleaning system is installed at the outer top of the protection shell; and the self-cleaning system is used for cleaning an image acquisition area at the front end of the protective shell. The linear array image acquisition device is mainly used for train bottom and wheel set fault detection.

The invention relates to a dual-module intercooler type fuel cell cathode inlet temperature and humidity cooperative control method. The method comprises the steps that fuel cell cathode air inlet real-time state parameters and operation parameters are obtained, a multivariable coupling prediction model is constructed after preprocessing, and a temperature and humidity reference and an oxygen stoichiometric ratio target reference are set in combination with heat exchange characteristics of a dual-module intercooler; then the core body heat exchange distribution proportion is regulated and controlled, humidification adjustment is matched, and the core body heat exchange distribution proportion and the humidification adjustment intensity are dynamically adjusted according to the real-time working condition; comparing the deviation between the adjusted actual temperature and humidity and the target temperature and humidity reference, and correcting the heat exchange distribution proportion and the humidifying adjustment parameter through a dynamic constraint correction model; cooperative regulation and control of cathode inlet temperature and humidity are realized, dynamic change of working conditions is adapted, and stable operation of the fuel cell is guaranteed.

The application provides a duty cycle correction circuit and a chip, a pre-charging module is added, and a capacitor can be pre-charged to a predetermined voltage after each comparison of a comparator ends, so that the charging time of a charge pump module on two charging and discharging nodes can be shortened, the analog voltage output by the two charging and discharging nodes can quickly reach the input voltage value at which the comparator can compare in the next comparison, the starting time required by the comparator for each comparison is shortened, the response time and the stabilization time of the loop of the duty cycle correction circuit itself are shortened, the clock duty cycle calibration efficiency is finally improved, and the transmission rate of a signal is improved.

This invention relates to an MFC-A / O / A coupled wastewater treatment system, method, and application, comprising an A / O / A device and an MFC device connected in series. The A / O / A device includes an influent tank, an anaerobic tank, an aerobic tank, an anoxic tank, and a sedimentation tank connected in sequence. The MFC device includes: an anode disposed in the anaerobic tank; a cathode disposed in the aerobic tank; a resistor disposed outside the A / O / A device and connected to the anode and cathode; and a proton exchange membrane disposed between the anaerobic tank and the aerobic tank. Compared with the prior art, this invention uses enriched bacteria obtained from anaerobic and aerobic enrichment as the inoculum source for the MFC-A / O / A coupled system, which accelerates the system startup, shortens the startup time, and significantly improves the system's power generation performance.

The invention relates to the technical field of air inlet shells of starters, in particular to an air inlet shell of a small aviation starter and a machining process of the air inlet shell. Comprising an air inlet shell, the air inlet shell is composed of an upper shell body and a lower shell body, turbine blades are installed in the lower shell body, an air inlet pipe is welded and fixed to the side wall of the upper shell body, and an air guide assembly is arranged at the position, close to the air inlet pipe, in the upper shell body; the air guide assembly comprises an arc-shaped air guide plate and a convex-face air guide block, an arc-shaped air guide channel is formed by a gap between the arc-shaped air guide plate and the convex-face air guide block, during starting, air enters the arc-shaped air guide channel from the air inlet pipe and is guided by the arc-shaped air guide channel to be blown to the turbine blades, rotation of the turbine blades is achieved, and directional airflow guiding is achieved through the air guide assembly. The air control assembly is matched to treat turbulence, diffusion of gas to the leeside is reduced, and the gas utilization rate and the turbine rotation stability are improved.

This utility model discloses a backflush device suitable for plate-fin heat exchangers in air separation cold boxes, including low-pressure and high-pressure plate heat exchanger backflush assemblies. The low-pressure assembly includes a first purge vent valve after the molecular sieve and a nitrogen pressurization valve at the top of the lower tower (connected to the emergency nitrogen pipeline network); the high-pressure assembly includes a main pipeline control valve at the compressor outlet, a second purge vent valve after it, and a backflush inlet branch pipe with a root valve before the main pipeline control valve (connected to the pipeline before the high-pressure air outlet throttling valve of the heat exchanger); this device eliminates the need for cold box sand removal, removes impurities through reverse pressurization and purging, solves the blockage problem, shortens start-up time, reduces energy consumption, and improves the safety and economy of the air separation unit.

The application discloses a single-pool double-grid intermittent circulation anaerobic reactor, which comprises a reactor body (1), a plug flow circulation generator (2) arranged in the reactor body, a water distribution and distribution system (3), a mixture of granular sludge and molasses compound microbial inoculum (4), and a controller electrically connected with the plug flow circulation generator, wherein the reactor body is a single-pool double-grid structure provided with a top cover or is open, and comprises a reaction grid (11) and a micro-aeration buffer grid (13) communicated with the reaction grid through a through port (12); a sewage treatment method adopts a sequencing batch constant water level operation, and comprises a water inlet, water outlet and sludge discharge period and a reaction period; the wastewater treatment method of the reactor and the mixture of granular sludge and molasses compound microbial inoculum can make the biochemical treatment system dormant for 3-6 months under the condition of no incoming water and insufficient nutrients, and can realize rapid start-up for 2-3 days if the biochemical treatment system is restarted, the minimum daily treatment capacity is 5-10 cubic meters, the investment and operation energy consumption are respectively 1 / 2 and 1 / 4 of those of a common activated sludge method, and the application is suitable for independent and decentralized sewage treatment scenes.

The application discloses an ammonia-oxidizing bacterium and application thereof, relates to the technical field of microorganisms, and specifically relates to an alkaligenes ammonioxydans Alcaligenes ammonioxydans , and a symbiotic combination of the alkaligenes ammonioxydans Pseudomonas oleovorans with pseudomonas oleovorans, which has the advantages of high biofilm formation efficiency, short start-up time and high nitrification efficiency.

The invention provides a system and a method for producing an organic fertilizer through solid waste three-section horizontal rotary fermentation recycling, and belongs to the technical field of agricultural waste recycling treatment. The problems that when the environment temperature of a traditional single tank is lower than-20 DEG C, the temperature rise of materials is slow, the microbial activity is low, a system seriously depends on high-energy-consumption electric auxiliary heating to maintain operation, and the operation cost is increased are solved. The system comprises a preheating starting tank, a drying deodorization tank, a decomposition deodorization tank and a heat recovery unit, the preheating starting tank, the drying deodorization tank and the decomposition deodorization tank are sequentially connected in the material conveying direction, and the heat recovery unit comprises a first heat exchanger, a second heat exchanger and a heat pump unit. The first heat exchanger is arranged between an air outlet of the preheating starting tank and an air inlet passage of the drying deodorization tank, the second heat exchanger is arranged on an air outlet passage of the drying deodorization tank, and an evaporator inlet of the heat pump unit is connected with the intersection of an air outlet of the second heat exchanger and an air outlet of the decomposition deodorization tank. The method is mainly used for agricultural waste treatment.

A method for remote storage of node metadata partition, which binds independent logical acceleration pool for object storage device process based on mechanical hard disk to remotely store metadata. In the formatting stage, a globally unique identifier is generated, virtual block devices are created for database and log partition respectively, and acceleration pool is connected; continuous address space is divided into discrete storage objects according to preset object size, and a mapping relationship between logical offset and object and object internal offset is established; database label and log clipping record are written into corresponding objects of acceleration pool. When a write request is received, log entries are written into log storage objects according to the mapping, and after the memory table is flushed as a sorted string table, the database storage objects are written according to the mapping; when a read request is received, data is read from the acceleration pool according to the mapping relationship, and pre-reading cache is used for acceleration. The method can eliminate the single point failure risk of local high-speed storage medium, realize the pooling sharing and elastic expansion of storage resources, and guarantee the metadata access performance.

This invention discloses a biofilter packing material for VOCs organic waste gas treatment and its preparation method, belonging to the technical field of biofilter packing materials. The biofilter packing material for VOCs organic waste gas treatment of this invention includes a nutrient slow-release core, a conductive functional shell layer, and a surface functionalized layer. The dry weight percentages of the raw materials for the nutrient slow-release core, conductive functional shell layer, and surface functionalized layer are 50%-60%, 35%-45%, and 3%-5%, respectively. The biofilter packing material for VOCs organic waste gas treatment and its preparation method proposed in this invention adopt a three-layer composite structure of a nutrient slow-release core, a conductive functional shell layer, and a surface functionalized layer. The core is responsible for the long-term supply of nutrients and carbon sources; the shell layer achieves efficient adsorption, conductive transfer, and microenvironment regulation; and the surface layer ensures the rapid colonization and targeted degradation of functional microorganisms. This spatial functional partitioning avoids mutual interference between different components and greatly improves the overall performance of the packing material.

This application relates to a method, apparatus, equipment, storage medium, and program product for starting and stopping a coal-fired power unit based on a power generator. The method includes: when the main turbine is shut down, controlling the boiler to continue operating by using steam generated by the boiler to drive the power generator; using the power generator to drive the feedwater pump to supply water to the boiler to maintain water circulation; using the extraction or exhaust steam from the power generator to heat the regenerative equipment in the feedwater pump to maintain the feedwater temperature; and upon receiving a main turbine start-up command and when the steam parameters generated by the boiler meet the preset main turbine start-up requirements, controlling the main turbine to start up and enter the grid-connected power generation process. This solution enables rapid start-up and shutdown of the unit, reduces start-up energy consumption, and enhances operational flexibility.

The invention relates to a device and method for strengthening lower tower liquid conveying through an air extractor and air separation equipment. The vacuum generator unit is configured to be connected with a liquid outlet pipeline of a lower tower of the air separation equipment; the vacuum generator unit comprises a Venturi ejector and a hot gas introduction valve; the venturi ejector comprises a contraction section, a throat pipe section and a diffusion section which are communicated in sequence; the contraction section is configured to be communicated with a lower tower liquid outlet pipeline and is used for inputting lower tower liquid; the throat pipe section is communicated with the hot gas leading-in valve and is used for inputting hot gas through the hot gas leading-in valve; the diffusion section is communicated with the liquid conveying main pipeline, and the liquid conveying main pipeline is configured to be communicated with the upper tower feeding hole. Local vacuum is formed through hot gas injection, the resistance of a conveying pipeline is reduced while partial vaporization of liquid is achieved, efficient enhancement of liquid conveying of the lower tower of the air separation equipment is achieved, the problem that liquid is difficult to convey to the upper tower when the working pressure of the lower tower is low in the air separation start-up and operation process is solved, and application and popularization are facilitated.

This invention belongs to the fields of bioengineering, environmental engineering, and clean energy technology, and discloses a method and its application for improving the enrichment rate of biofilm at the anode of a microbial electrolysis cell. The method includes the following steps: constructing a microbial electrolysis cell reactor; adding inoculum to the reactor; adding PBS buffer nutrient solution and acclimatization substrate to the reactor; purging the air from the reactor to induce an anaerobic state; applying a constant micro-voltage and connecting a resistor in series to the anode and cathode of the reactor; culturing microorganisms at a constant temperature of 25-35℃, monitoring the voltage across the series resistor in real time, and repeating steps S3-S7 when the output voltage drops below 20mV, with the proportion of acclimatization substrate gradually increasing in each cycle. This invention, through a gradient acclimatization scheme that gradually increases the proportion of acclimatization substrate, can enrich dominant bacterial communities, resulting in biofilms with complete bacterial structure and high abundance of functional bacteria.

The utility model provides a kind of heat storage medium electric heating device, including shell, input port for flowing into low temperature heat storage medium and output port for flowing out high temperature heat storage medium are provided on shell, input port and output port are located at the both ends of shell respectively;Multiple electric heating tube bundles and multiple baffles are arranged in shell, multiple baffles are sequentially spaced apart along the direction of input port to output port, multiple baffles are sequentially rotated along the same rotation axis, and multiple baffles are all heterotropic baffle, or, part is heterotropic baffle, another part is homotropic baffle, so that multiple baffles are sequentially arranged structure, to realize that heat storage medium generates quasi-spiral flow in shell interior.The scheme can promote the forced convection circulation of high temperature heat storage medium and low temperature heat storage medium, optimize the temperature distribution of heat storage medium in heating device, to solve the problems of uneven temperature, local overheating or insufficient heating etc. in the heating process of traditional heat storage medium electric heater.

The present application relates to a kind of PNA-IFAS process and its device.The PNA-IFAS process includes: the sludge-water mixture obtained by mixing sewage with flocculation sludge with PNA activity, under the condition of aeration oxygenation, sludge-water mixture sequentially passes through fiber filler, polyethylene filler and polyurethane filler to complete denitrification, then through sludge-water separation to obtain sewage meeting discharge standard;Wherein, in the effective volume of reactor, the volume percentage of fiber filler is 1%-5%, the volume percentage of polyethylene filler is 10%-25%, and the volume percentage of polyurethane filler is 1%-5%.The PNA-IFAS process described in the present application adds flocculation sludge with PNA activity, and cooperates to control the proportion and order of mixed filler, so that the biomass in the reactor system is not easy to lose, the start-up time is fast, and the PNA-IFAS system is continuously and efficiently denitrified.

This application discloses a method and related components for accelerating the startup speed of Java applications, applied to the Java Virtual Machine (JVM), and relating to the field of computer technology. The method includes: loading and parsing target class files obtained from disk using a target class loader to generate klass objects; the target class loader can be any one of the bootstrap class loader, extension class loader, and application class loader; if the klass object can be shared, its fully qualified name is written to a preset sharing list; reading the preset sharing list and loading the corresponding class files to write the corresponding class data to a preset archive file; mapping the preset archive file into memory during the Java application startup process so that, after a class loading operation is triggered, the target class data corresponding to the class loading operation is retrieved from memory, and the system dictionary is updated using the target class data. This expands the class sharing scope of the CDS feature and improves the startup speed of applications.

This application provides a control method, apparatus, system, device, and medium. The method includes: detecting the operating speed value of a target device; if the operating speed value is less than a preset value, determining first target frequency information based on a mapping relationship between duration information, error information, and frequency information; wherein the duration information represents the startup duration corresponding to the frequency information, and the error information represents the speed error corresponding to the frequency information; and sending the first target frequency information to a driving device, so that the driving device drives the target device according to the first target frequency information. This application can shorten the startup time of the target device and reduce the steady-state error of the target device's operating speed.

This invention discloses a composite microbial preparation for solid fecal degradation, its preparation method, and its application, belonging to the field of microbial preparation technology. The composite microbial preparation comprises a composite microbial agent and an exogenous composite enzyme preparation; the composite microbial agent includes laccase-producing bacteria, keratinase-producing bacteria, auxiliary degradation bacteria, and composite probiotics; the exogenous composite enzyme preparation includes cellulase, neutral protease, and xylanase. This invention employs a mixed strategy of "exogenous enzyme + enzyme-producing bacteria," rapidly decomposing cellulose, protein, and hemicellulose in the initial stage of composting by adding exogenous cellulase, protease, and xylanase, providing readily available carbon and nitrogen sources for the microorganisms, shortening the composting start-up time to less than 24 hours; simultaneously, the laccase-producing bacteria and keratinase-producing bacteria continuously produce laccase and keratinase during composting, achieving deep degradation of lignin and keratin. This invention has advantages such as rapid start-up, continuous degradation, good deodorization effect, high nitrogen retention rate, and low cost, and has good prospects for industrial application.

The utility model discloses a water purifier, and relates to the technical field of water treatment. Cooling the tank; the absorption refrigeration module comprises a liquid storage device, a generator, a condenser and an evaporator, the evaporator is arranged on the cold tank to refrigerate the cold tank, and the hot tank heats at least part of the generator so as to preheat a solution flowing through the generator; and the like. The generator of the absorption type refrigeration module can be preheated through waste heat of the heat tank, the starting time of the absorption type refrigeration module is shortened, the starting speed of absorption type refrigeration is increased, and the environment-friendly refrigeration effects of being free of noise, low in energy consumption and long in service life are achieved.

This invention relates to the field of wastewater treatment technology, and more particularly to a method for enhancing anaerobic ammonia oxidation (AAO) denitrification using iron-loaded polyurethane porous materials. The method includes the following steps: Anaerobic ammonia oxidation sludge, iron-loaded polyurethane porous materials, and wastewater containing ammonia nitrogen and nitrite nitrogen are thoroughly mixed in an anaerobic reactor and reacted under anaerobic conditions at a temperature of 31-35°C. The iron-loaded polyurethane porous materials are prepared as follows: polyurethane sponge is selected as a carrier, cut and cleaned, and then immersed and stirred in a mixed iron salt solution for a period of time. The pH of the mixed solution is adjusted to alkaline, resulting in the formation of a red precipitate. The iron-loaded polyurethane porous materials are then hydrothermally synthesized. The mixed iron salt solution includes ferric chloride and ferric nitrate. The carrier material prepared by this invention, when applied to an anaerobic ammonia oxidation system, can effectively shorten the process start-up time, promote the enrichment and biofilm formation of anaerobic ammonia oxidizing bacteria, and achieve a high total nitrogen removal rate.

The invention discloses a remote control quantitative process starting method, electronic equipment and a storage medium. The method comprises the steps that a quantitative cloud system creates and operates a plurality of containers in a container cluster management system in advance; wherein each container is used for operating a quantification strategy of a user, and each container comprises a named pipeline; the quantization cloud system selects a target container from a plurality of containers under the condition that a quantization strategy of a user needs to be operated, and sends a quantization starting command to a named pipeline in the target container; and the target container receives the quantization starting command through the named pipeline, and starts a quantization process based on the quantization starting command so as to run a quantization strategy of the user by using the quantization process. In this way, starting of the quantization process can be remotely controlled.

The invention provides an energy storage system and a control method of the energy storage system. The energy storage system comprises an energy storage converter, a battery module and a power supply device, when the battery module receives a black start instruction, the power supply device is controlled to supply power to the energy storage converter; and after being powered, the energy storage converter establishes communication connection with the battery module. According to the mode, a power supply device is arranged in the energy storage system and supplies power to an energy storage converter, so that the energy storage converter is in communication connection with a battery module, and the energy storage converter can provide model information to the battery module, so that the output voltage of the battery module is matched with the model of the energy storage converter; the output voltage does not need to be restarted and changed, the starting time is saved, and the starting efficiency is improved.

The embodiment of the invention provides a nuclear reactor starting sequence control method and device, and belongs to the technical field of nuclear power. The method comprises the following steps: dividing the starting process of the nuclear reactor into a plurality of process stages; dividing equipment participating in the starting of the nuclear reactor into a plurality of functional groups according to the control task of each process stage; determining the starting logic and the signal priority of the equipment in each function group; and in response to a starting instruction of the nuclear reactor, controlling the devices of the nuclear reactor to start according to the starting logic and the signal priority of each device. According to the embodiment of the invention, the problem of low operation efficiency of nuclear reactor starting sequence control in the prior art can be solved, and high efficiency and intelligence of nuclear reactor starting sequence control are realized.

The invention discloses a safe starting method of an embedded operating system and the embedded operating system, and the method comprises the following steps: dividing a kernel partition into a plurality of sub-partitions, and if an original kernel mirror image file in a second mirror image file on a first sub-partition in the plurality of sub-partitions fails to check, starting the kernel mirror image file in the second mirror image file on the first sub-partition in the plurality of sub-partitions; reading the original kernel mirror image file in the second mirror image file from the remaining sub-partitions in the plurality of sub-partitions in sequence for verification until verification succeeds; after the kernel verification succeeds, recording a current boot partition number through a system environment variable; according to the third mirror image file stored in the partition of the root file system, whether the root file system is verified successfully or not is judged, and if the root file system passes verification, starting of the embedded operating system is completed. According to the method, the multiple partitions are adopted, so that the probability that the system mirror images are damaged at the same time is reduced, when the mirror images of the multiple partitions are damaged, mirror image recovery is conducted through a redundancy recovery algorithm, and the success rate of system startup recovery is increased.

The present application provides a touch display circuit architecture, including a display circuit unit, a touch circuit unit, a processor unit, a first memory unit and a second memory unit. The touch circuit unit is coupled to the display circuit unit, the processor unit is coupled to the display circuit unit and the touch circuit unit, the processor unit executes a plurality of program codes to control the display circuit unit and the touch circuit unit, wherein the processor unit divides the plurality of program codes into at least one fixed operation program and at least one flexible operation program according to a variable frequency, the first memory unit is coupled to the processor unit, the first memory unit stores the at least one fixed operation program, the second memory unit is coupled to the processor unit, and the second memory unit stores the at least one flexible operation program.